[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.06"]
[Round "1.1"]
[White "Shabalov, Alexander"]
[Black "Zeidler, Sven P."]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2524"]
[BlackElo "2170"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,71,35,24,34,25,19,58,49,92,73,118,78,88,41,123,104,124,87,87,87,90,92,89,89,100,56,70,68,72,56,38,28,49,29,35,3,34,34,40,34,74,61,127,116,127,127,140,138,143,143,217,150,150,150,150,142,150,150,243,150,380,372,709,663]} 1. Nf3 f5 2. g3 Nf6 3. c4 g6 4. b4 c6 5. Bb2 Bg7 6. Bg2 {A10: English Opening: Unusual Replies for Black.} O-O 7. O-O Na6 8. Qb3 {[#] White is slightly better.} d5 $146 ({Predecessor:} 8... Kh8 9. d3 d6 10. Nbd2 e5 11. a4 Qe7 12. c5 dxc5 13. b5 Be6 14. Nc4 e4 15. bxa6 {½-½ (62) Vazquez Igarza,R (2556)-Idani,P (2586) Linares 2019}) 9. d3 h6 10. Nc3 Be6 11. b5 Nc7 (11... dxc4 $14 12. dxc4 cxb5) 12. Nd4 dxc4 13. Nxe6 cxb3 14. Nxd8 Rfxd8 15. bxc6 bxc6 16. axb3 Nfd5 17. Nxd5 (17. Na4 {looks sharper.} Rab8 18. Rfc1 Nb4 19. Bxg7 Kxg7 20. Nc5) 17... cxd5 18. Bxg7 Kxg7 19. Rfc1 Rd7 20. Rc6 Ne8 21. e4 $36 {[%mdl 2048] Black should prevent Raa6. White fights for an advantage.} Rb8 $1 22. Bh3 {Strongly threatening Rxg6+!} dxe4 (22... Rd6 {keeps more tension.} 23. Rc5 Kf6 24. Bg2 dxe4 25. dxe4 fxe4 26. Bxe4 Rxb3 27. Rxa7 Rb2) 23. dxe4 {And now Rxg6+! would win.} Rd6 24. Rc5 Rxb3 25. exf5 gxf5 ({Better is} 25... g5 $14) 26. Rxa7 $16 Re6 27. Bxf5 Re2 28. Rc2 Re1+ 29. Kg2 h5 (29... Nd6 $16) 30. Ra4 Nd6 31. Bd7 Rbb1 32. Bc6 Kf6 33. Rf4+ Kg5 (33... Kg6 $16 34. Bf3 Rb5) 34. Bf3 Ne8 $2 {[#]} (34... Rb5 $16 35. Rc7 Kg6) 35. Rc5+ $18 e5 $2 (35... Kh6 36. Rxh5+ Kg6) 36. Be4 {Accuracy: White = 69%, Black = 46%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.06"]
[Round "1.2"]
[White "Morris, Charles F"]
[Black "Kaidanov, Gregory"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "2073"]
[BlackElo "2546"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,88,-16,0,0,5,0,0,16,4,0,0,-14,-7,-20,-9,-165,-145,-150,-62,-54,-49,-109,-109,-109,-109,-109,-109,-109,-109,-109,-109,-117,-117,-117,-128,-122,-120,-118,-93,-93,-93,-120,-92,-187,-92,-218,-214,-221,-199,-321,-321,-455,-450,-519,-503,-892,-885,-814,-775,-766,-742,-1265,-1169,-4714,-4714,-4706,-1264,-29988,-29989,-29989,-29982,-29990,-29991,-29992,-29993,-29993,-29993,-29993,-29993]} 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 dxc4 5. Na3 Bxa3 6. bxa3 O-O 7. Bb2 {A13: English Opening: 1...e6.} Nc6 8. Rc1 Re8 9. Rxc4 {The position is equal.} e5 10. Rxc6 bxc6 11. Nxe5 Nd5 {[#]} 12. Nxc6 $146 ({Predecessor:} 12. O-O Qd6 13. e4 Nb6 14. d4 Ba6 15. Qb3 Qe6 16. Rc1 f6 17. d5 cxd5 18. exd5 {½-½ (30) Le Quang,K (2285)-Lalic,B (2478) Dieppe 2014}) 12... Qd6 13. Qa4 $2 (13. Qb3 $11 {and White has nothing to worry.} Be6 14. Qc2) 13... Bb7 $36 {[%mdl 2048] Keeping White busy.} 14. Qd4 {[%csl Gb2][%cal Rd4g7]} Nf6 (14... Qg6 $1 $17 {[%cal Rg6b1] ( -> ...Qb1+)} 15. O-O Bxc6 16. Bxd5 Bxd5 17. Qxd5 Rad8) 15. Qxd6 $15 cxd6 16. Bxf6 {Black continues to play with concentration.} (16. Kf1 $1 $15) 16... gxf6 $17 17. d4 Bxc6 $1 18. Bxc6 {[#] Strongly threatening Kd2.} Rab8 $1 19. Bxe8 {[%mdl 4096] Endgame KRB-KR} Rb1+ 20. Kd2 Rxh1 {KR-KB} 21. h4 Ra1 22. a4 Rxa2+ 23. Kd3 Kf8 24. Bb5 Ke7 25. Ke4 Rc2 26. Kd5 h6 27. Bd3 (27. Ke4 $17) 27... Rc1 (27... Ra2 $19 {is more deadly.} 28. Bb5 f5) 28. g4 (28. Ke4 $17) 28... Ra1 $19 29. Bb5 Rh1 30. h5 {[#]} (30. Ke4 {was called for.}) 30... f5 $1 {[%mdl 512]} 31. gxf5 (31. f3 $142) 31... Rxh5 32. Bd3 f6 33. Kc6 (33. Ke4 $142 Rg5 34. Ke3) 33... Rh2 34. Kb7 Kd7 35. Bb5+ {[#]} Kd8 $1 36. f3 h5 37. Kc6 h4 38. Kxd6 h3 39. e4 Rd2 {Black mates.} 40. e5 Rxd4+ 41. Ke6 h2 42. Kxf6 h1=Q 43. e6 Qh8+ 44. Kf7 Qh7+ {Accuracy: White = 46%, Black = 82%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.06"]
[Round "1.3"]
[White "Benjamin, Joel"]
[Black "Fletcher, John"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2508"]
[BlackElo "1969"]
[Annotator "TA"]
[PlyCount "29"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,29,18,26,16,50,39,27,25,68,68,66,73,233,209,516,453,445,445]} 1. e4 c5 2. Nf3 Nc6 3. c3 Nf6 4. e5 Nd5 5. Bc4 Nb6 6. Bb3 d5 7. exd6 Qxd6 8. O-O {B22: Sicilian: 2 c3.} Bf5 9. d4 e6 10. Na3 {White has an edge.} a6 11. Be3 cxd4 12. Nxd4 {[#]} Be4 $146 (12... Nxd4 $16 13. Bxd4 O-O-O) ({Predecessor:} 12... Nxd4 13. Bxd4 O-O-O 14. Qh5 Qc7 15. Bxb6 Qxb6 16. Qxf7 Bc5 17. Nc4 Qc7 18. Qxc7+ Kxc7 {1-0 (59) Vachier Lagrave,M (2742)-Sutovsky,E (2657) Rhodes 2013}) 13. Nxe6 {[%mdl 64] [#] Discovered Attack} Nd5 $2 (13... Qxd1 14. Raxd1 fxe6) 14. Bxd5 Bxd5 15. Nxf8 {Black got outplayed after the opening} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.06"]
[Round "1.4"]
[White "Adams, Mark"]
[Black "Novikov, Igor"]
[Result "0-1"]
[ECO "B54"]
[WhiteElo "1949"]
[BlackElo "2551"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,92,33,10,24,17,33,34,46,37,24,33,37,0,19,10,26,26,25,10,35,0,0,-8,-6,-12,-10,-17,0,-23,-21,-39,-43,-74,-65,-92,-58,-64,-43,-112,-99,-149,-149,-205,-196,-245,-237,-447,-246,-245,-245,-339,-339,-503,-492,-449,-252,-243,-211,-345,-319,-320,-294,-426,-426,-453,-373,-370,-355,-333,-272,-264,-225,-233,-263,-652,-649,-591,-568,-649,-629,-509,-408]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 e5 6. Nb3 Be6 7. c4 a5 {B55: Sicilian: 2...d6 3 d4 cxd4 4 Nxd4 Nf6 5 f3.} ({Reject} 7... Nxe4 $6 8. fxe4 Qh4+ 9. Kd2 $16) 8. Be3 a4 9. N3d2 Qa5 {White is slightly better.} 10. Be2 Be7 11. O-O O-O 12. a3 Nbd7 13. Nc3 {[%cal Bb1c3,Bc3a2,Ba2b4,Bb4d5][%mdl 32]} Nc5 {[#]} 14. Kh1 $146 ({Predecessor:} 14. Nd5 Bxd5 15. cxd5 b5 16. Rc1 Nfd7 17. Qc2 Rfb8 18. Qc3 b4 19. axb4 Qxb4 20. Nc4 {0-1 (64) Berczes,C (2115)-Banhazi,I (2105) Budapest 1999}) 14... Nfd7 15. Rc1 Rfc8 16. Na2 Qd8 17. Nb4 Bg5 18. Bxg5 Qxg5 19. Rc3 Nb8 20. Nd5 Qd8 21. Nb4 Nc6 22. Nd3 Nd4 23. Nxc5 dxc5 24. Rf2 Rc7 25. Bf1 {Black converts the advantage convincingly.} ({Better is} 25. Qe1 $15) 25... Rd7 $17 26. Qc1 Ra6 $36 {[%mdl 2048] Black is really pushing.} 27. f4 (27. Nb1 $17) 27... exf4 $19 28. Nf3 {[#]} Nxf3 $1 29. gxf3 $2 (29. Rfxf3 Rad6 30. Qxf4) 29... Qh4 (29... g5 $142 30. Rg2 Bh3 31. Rxg5+ Qxg5 32. Bxh3 Rd8) 30. Rd2 Rad6 31. Rxd6 Rxd6 32. Rd3 (32. Rc2 $142 Bh3 33. Bxh3 Qxh3 34. Rf2) 32... Rxd3 33. Bxd3 h6 (33... Qf2 $142 {( -> ...Bh3)} 34. Qxf4 h6 35. Qb8+ Kh7) 34. Qd2 Qd8 {[#] And now ...Bxc4! would win.} 35. Qe2 (35. Qc3 $142) 35... Qd4 36. Kg2 g5 37. h3 (37. Qc2 $142) 37... Kg7 38. Kh2 Qe3 39. Qxe3 fxe3 {[%mdl 4096] Endgame KB-KB} 40. Kg3 Kf6 41. f4 gxf4+ 42. Kxf4 Bxh3 43. Kxe3 $2 (43. e5+ Ke6 44. Be2) 43... Ke5 {Black is clearly winning.} 44. Bc2 Bd7 45. Bd1 b6 46. Be2 Bc6 {Accuracy: White = 45%, Black = 82%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.06"]
[Round "1.5"]
[White "Jackson, Sheila"]
[Black "Jussupow, Artur"]
[Result "0-1"]
[ECO "C08"]
[WhiteElo "2085"]
[BlackElo "2560"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,66,21,16,15,15,5,24,3,23,22,31,33,38,35,33,40,54,47,60,33,35,43,41,0,-5,-4,0,0,2,-60,-39,-54,-51,-71,-68,-77,-81,-87,-43,-46,-26,-53,-33,-8,-7,-6,22,-667,-662,-651,-645,-644,-635,-618,-29,-618,-618]} 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Bb5+ Nc6 6. Qe2+ Be7 7. Ngf3 {C08: French Tarrasch: 3...c5 4 exd5 exd5 sidelines.} Nf6 8. dxc5 $1 O-O 9. Nb3 {White has an edge.} a6 10. Bd3 {[#]} Bxc5 $146 {[%mdl 64] Decoy} ({Predecessor:} 10... Bg4 11. h3 Bxf3 12. Qxf3 Bxc5 13. O-O Ne5 14. Qg3 Bd6 15. Bg5 h6 16. Bc1 Re8 {0-1 (28) Laverdet,T (1925)-Sumets,A (2616) Wasselonne 2012}) 11. Nxc5 {Black must now prevent 0-0.} Qa5+ {[%mdl 64] Double Attack} 12. c3 $1 Qxc5 13. Be3 Qe7 14. h3 Ne4 15. O-O-O Re8 16. Rhe1 Bf5 17. g4 Bg6 $1 18. Nd4 Ne5 19. Bxe4 dxe4 20. Kb1 (20. Bf4 $11) 20... Rad8 21. Ka1 Nd3 22. Rh1 f6 23. h4 Bf7 24. g5 f5 25. g6 $1 hxg6 {And now ...f4 would win.} 26. Bg5 Qc5 {Hoping for ...Qc4!} 27. Bxd8 Qc4 $40 {[%csl Gf7][%cal Rc4a2][%mdl 128] Black attacks.} 28. Nb3 {Bb6 is the strong threat.} Qa4 29. Rxd3 $4 {[%mdl 8192]} (29. Kb1 $11 Rxd8 30. Nc1) 29... Bxb3 $19 {[%csl Gb3][%cal Ra4a2]} 30. a3 exd3 {[%mdl 64] Discovered Attack} 31. Qxd3 {[#] White hopes to continue with Bg5.} Bc4 $1 {[%cal Rc4d3]} 32. Qd1 {[#]} Qxd1+ $1 33. Rxd1 Bb3 {Accuracy: White = 82%, Black = 96%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.06"]
[Round "1.6"]
[White "Levin, Felix"]
[Black "Bellin, Jana M"]
[Result "1-0"]
[ECO "A56"]
[WhiteElo "2480"]
[BlackElo "2020"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,71,67,63,62,66,64,87,83,104,61,63,0,124,72,102,96,100,104,130,133,166,179,263,241,258,220,225,222,223,225,448,453,409,445,445,432,437,437,458,454,412,441,425,433,436,424,514,510,493,497,490,471,29998,29999]} 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. g3 a6 7. a4 O-O 8. Bg2 Ne8 9. Nge2 Nd7 10. O-O g6 11. Bh6 {A56: Czech Benoni.} Ng7 12. Qd2 Nf6 13. h3 {White is better.} Kh8 14. Be3 Nd7 15. Bh6 ({White should try} 15. b3 $14) 15... Nf6 $1 $16 16. Rae1 {White stays focused until the end.} (16. a5 $142) 16... Ng8 {[#]} 17. Be3 $1 $36 {[%mdl 2048] White has strong initiative.} f5 18. f4 {[#]} exf4 $146 ({Predecessor:} 18... Bf6 19. Kh2 b6 20. fxe5 Bxe5 21. Bg5 Nf6 22. exf5 gxf5 23. Bf3 Ra7 24. Kg2 Re7 25. Nf4 Qd7 26. Nd3 Ree8 {½-½ (70) Ekstroem,R (2476)-Atlas,V (2441) Switzerland 2008}) 19. Nxf4 Nf6 {[#]} 20. exf5 $1 Bxf5 (20... gxf5 $142 21. b3 Re8) 21. g4 $18 Bc8 22. Ne4 Nxe4 23. Bxe4 Bh4 24. Bf2 Bxf2+ $2 (24... Kg8 25. Nxg6 hxg6) 25. Rxf2 {Threatens to win with Nxg6+.} ({Weaker is} 25. Kxf2 g5 $11) 25... g5 26. Nd3 Rxf2 27. Nxf2 ({Not} 27. Qxf2 Bd7 $16) 27... Bd7 28. Bc2 Be8 29. Ne4 Bg6 30. Nxg5 {And now Bxg6 would win.} Qf6 {intending ...Bxc2.} 31. Bxg6 Qxg6 32. Qf4 Kg8 {Black hopes to continue with ...Rf8.} 33. Rf1 Re8 34. Qf7+ Qxf7 35. Nxf7 ({And not} 35. Rxf7 h6 $11) 35... Re2 (35... a5 $18 36. Nh6+ Kh8) 36. Nh6+ {Accuracy: White = 84%, Black = 55%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.06"]
[Round "1.7"]
[White "Lauterbach, Ingrid"]
[Black "Meister, Jakob"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2057"]
[BlackElo "2427"]
[Annotator "TA"]
[PlyCount "143"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,143,17,48,37,47,33,44,28,33,-8,-14,-9,11,1,18,0,22,-11,0,-16,13,-11,0,-19,-18,-21,-25,-65,-81,-92,-93,-146,-114,-156,-140,-193,-199,-195,-197,-201,-202,-181,-167,-162,-148,-174,-174,-158,-160,-164,-159,-184,-171,-328,-328,-327,-320,-320,-319,-701,-701,-676,-676,-676,-668,-1194,-1098,-1000,-964,-661,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-263,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 d5 2. g3 Nd7 3. d4 c6 4. Bg2 Ngf6 5. O-O Ne4 6. c4 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} e6 7. b3 Be7 8. Qc2 {White is slightly better.} f5 9. Ne5 Nxe5 10. dxe5 O-O {[#]} 11. Nc3 $146 ({Predecessor:} 11. Bf4 Qc7 12. Nd2 g5 13. Be3 Qxe5 14. Nf3 Qg7 15. Rad1 Bf6 16. Bd4 Bxd4 17. Nxd4 {0-1 (33) Cruz,E (1450)-Guy,S (1616) IECG email 2000}) 11... Bd7 12. Bb2 Be8 13. a3 Bg6 14. b4 Qe8 15. Rac1 a6 16. c5 Nxc3 17. Qxc3 f4 18. gxf4 Rxf4 19. Qg3 Qf7 20. e3 (20. Rcd1 $142) 20... Rh4 $17 21. Rcd1 Bf5 22. f3 (22. Rd4 $17 {is a better defense.} Rh5 23. f4) 22... Rh6 $19 23. e4 Rg6 24. Qe1 Bh3 $1 25. Rd2 Rd8 {...Bg5 is the strong threat.} 26. Kh1 Bxg2+ 27. Rxg2 Rxg2 28. Kxg2 Qg6+ 29. Qg3 Qxg3+ ({Much less strong is} 29... dxe4 30. Qxg6 exf3+ 31. Kxf3 $15) 30. hxg3 dxe4 {Hoping for ...Rd2+.} 31. fxe4 $2 {[%mdl 4096] Endgame KRB-KRB} (31. Kh3) 31... Rd2+ 32. Rf2 Rxf2+ $1 33. Kxf2 {[#] KB-KB} a5 $1 {[%cal Ba6a5,Ba5a4][%mdl 32]} 34. Bc1 $2 (34. bxa5 Bxc5+ 35. Kf3) 34... a4 35. Kf3 Kf7 36. Kg4 {If only White now had time for Kh5....} Kg6 37. Bd2 h5+ 38. Kf3 Bg5 39. Bf4 h4 $2 ({Black should try} 39... Bh6 $19 {aiming for ...Bg5.} 40. Kg2 Kh7) 40. Kg4 $1 $11 {[%mdl 64] Double Attack} Bd8 {Strongly threatening ...hxg3.} 41. gxh4 Bc7 42. h5+ Kf7 43. Kf3 g6 44. hxg6+ Kxg6 45. Ke3 Kh5 {Threatens to win with ...Kg4.} 46. Kf3 Bd8 47. Bc1 Bh4 48. Bd2 $1 Bd8 49. Be3 Kh4 50. Bd2 Kh3 {next ...Bh4 is good for Black.} 51. Bc1 Bh4 52. Bd2 Bg3 53. Bc3 $1 Kh4 54. Bb2 $1 Be1 55. Ke2 $1 {[%cal Re2e1]} Bg3 56. Kf3 Kh3 (56... Be1 $5) 57. Bc3 $1 Bh4 58. Bd2 Bd8 59. Bc1 Kh4 60. Be3 Kh5 61. Bd2 $2 {[%mdl 8192] [#]} (61. Bc1 $11 {and White stays safe.}) 61... Kg6 $2 (61... Bh4 $1 $19 62. Be3 Be1) 62. Kg4 {The position is equal.} Kf7 63. Be3 Kg6 64. Bc1 Bc7 65. Bb2 Kf7 66. Kh5 b6 67. cxb6 Bxb6 68. Kg5 Ke7 69. Kg6 Be3 70. Kg7 c5 71. bxc5 $1 Bxc5 72. Kg8 {And White is the lucky defender. Accuracy: White = 77%, Black = 95%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.06"]
[Round "1.8"]
[White "Koehler, Gerhard"]
[Black "Fink-Nunn, Petra"]
[Result "1-0"]
[ECO "D59"]
[WhiteElo "2204"]
[BlackElo "1983"]
[Annotator "ChessBase"]
[PlyCount "89"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 2. Nc3 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 3. d4 {[%emt 0:00:08]} Be7 {[%emt 0:00:02]} 4. Nf3 {[%emt 0:00:33]} Nf6 {[%emt 0:00:09]} 5. Bg5 {[%emt 0:00:13]} h6 {[%emt 0:00:22]} 6. Bh4 {[%emt 0:01:37]} O-O {[%emt 0:00:13]} 7. e3 {[%emt 0:00:19]} b6 {[%emt 0:00:10]} 8. cxd5 {[%emt 0:01:02]} Nxd5 {[%emt 0:00:20]} 9. Bxe7 {[%emt 0:00:37]} Qxe7 {[%emt 0:00:19]} 10. Nxd5 {[%emt 0:01:54]} exd5 {[%emt 0:00:07]} 11. Bd3 {[%emt 0:00:23]} Be6 {[%emt 0:04:32]} 12. O-O {[%emt 0:00:20]} c5 {[%emt 0:03:55]} 13. dxc5 {[%emt 0:00:51]} bxc5 {[%emt 0:00:22]} 14. Rc1 {[%emt 0:00:13]} Nd7 {[%emt 0:01:25]} 15. Bb1 {[%emt 0:00:39]} Rfd8 {[%emt 0:06:27]} 16. Qd3 {[%emt 0:06:21]} g6 {[%emt 0:05:26]} 17. Qa3 {[%emt 0:01:51]} Qf6 {[%emt 0:13:39]} 18. e4 {[%emt 0:09:24]} d4 {[%emt 0:04:22]} 19. Nd2 {[%emt 0:00:35]} g5 {[%emt 0:24:03]} 20. Rfe1 {[%emt 0:13:06]} Qf4 {[%emt 0:05:26]} 21. Red1 {[%emt 0:15:18]} h5 {[%emt 0:12:28]} 22. g3 {[%emt 0:15:40]} Qf6 {[%emt 0:02:04]} 23. f4 {[%emt 0:04:54]} gxf4 {[%emt 0:05:37]} 24. Rf1 {[%emt 0:00:56]} Qg5 {[%emt 0:00:06]} 25. Rxf4 {[%emt 0:01:15]} Rab8 {[%emt 0:01:44]} 26. Nf3 {[%emt 0:01:46]} Qg7 {[%emt 0:00:01]} 27. b3 {[%emt 0:00:41]} Rb7 {[%emt 0:00:20]} 28. Qa5 {[%emt 0:07:16]} Rc8 {[%emt 0:01:20]} 29. Bd3 {[%emt 0:01:54]} Rcb8 30. Qd2 {[%emt 0:02:14]} Rb4 {[%emt 0:04:24]} 31. Rf1 {[%emt 0:03:20]} a5 {[%emt 0:00:09]} 32. Nh4 {[%emt 0:02:32]} a4 {[%emt 0:00:22]} 33. Nf5 {[%emt 0:00:13]} Qh7 {[%emt 0:04:00]} 34. e5 {[%emt 0:01:51]} Kh8 {[%emt 0:01:11]} 35. Qe2 {[%emt 0:03:03]} axb3 {[%emt 0:01:19]} 36. Nd6 {[%emt 0:00:34]} Qg7 {[%emt 0:00:28]} 37. Qxh5+ {[%emt 0:00:37]} Kg8 {[%emt 0:00:02]} 38. Nxf7 {[%emt 0:00:28]} bxa2 {[%emt 0:01:31]} 39. Nh6+ {[%emt 0:00:33]} Kh8 {[%emt 0:00:06]} 40. Nf7+ {[%emt 0:00:00]} Kg8 {[%emt 0:00:00]} 41. Ng5 {[%emt 0:09:52]} Bc4 {[%emt 0:16:27]} 42. Bh7+ {[%emt 0:02:47]} Kh8 {[%emt 0:00:03]} 43. Nf7+ {[%emt 0:02:28]} Bxf7 {[%emt 0:00:40]} 44. Rxf7 {[%emt 0:00:06]} Nf6 {[%emt 0:09:00]} 45. exf6 {[%emt 0:01:04]} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.06"]
[Round "1.9"]
[White "Hracek, Zbynek"]
[Black "Frostick, Clive A"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2572"]
[BlackElo "2082"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,63,15,22,14,15,12,12,12,37,37,36,35,36,38,43,39,58,62,49,31,42,31,29,14,28,0,26,29,38,21,143,141,137,131,551,545,565,555,508,418,652,625,1261,936,926,926,911,893,836,714,701,724]} 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 c6 7. Bd3 Nbd7 {[%cal Bb8d7,Bd7f8,Bf8e6,Be6f4][%mdl 32] 7...Nbd7 is better than 7...0-0.} 8. h3 {D35: Queen's Gambit Declined: Exchange Variation.} Nf8 9. Nf3 Ne6 10. Bh4 {The position is equal.} Nh5 11. Bxe7 Qxe7 {[#]} 12. Qc2 $146 ({Predecessor:} 12. g4 Nf6 13. Qe2 Nc7 14. Nd2 Be6 15. Nb3 O-O-O 16. Nc5 Nd7 17. Nxe6 Nxe6 18. O-O-O {0-1 (64) Perk,E-Frumson,Y (2275) Bad Liebenzell 1996}) 12... Nef4 13. Bf1 Ng6 14. O-O-O Nf6 15. Bd3 Be6 16. Kb1 O-O-O 17. Nd2 Kb8 18. Nb3 Bc8 19. Nc5 Nd7 20. b4 Ka8 21. Qb3 b5 (21... Nxc5 $11 {keeps the balance.} 22. bxc5 Qg5) 22. a4 Nxc5 23. bxc5 a6 $2 {[%mdl 8192] [#] This move loses the game for Black.} (23... b4 $16) 24. axb5 $18 axb5 25. Kc2 Kb8 26. Ra1 Rd7 (26... Qb7 $142 27. Ra5 b4) 27. Rhb1 {White is clearly winning.} Rhd8 {[#]} 28. Nxb5 $1 {[%mdl 512] White wants to mate with Nc7+!} Rb7 (28... cxb5 29. c6) 29. Qa2 {[%csl Ga1][%cal Ra2a8]} cxb5 30. c6 Rb6 31. Qa8+ Kc7 32. Ra7+ {[%mdl 64] Skewer. Accuracy: White = 91%, Black = 51%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.06"]
[Round "1.10"]
[White "White, Nigel"]
[Black "Haba, Petr"]
[Result "0-1"]
[ECO "C10"]
[WhiteElo "2001"]
[BlackElo "2470"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,78,61,66,60,49,32,0,0,0,0,0,0,-9,0,-12,-14,-31,-34,-37,-33,-70,-57,-84,-84,-81,-91,-158,-155,-227,-237,-286,-286,-292,-287,-295,-291,-287,-283,-395,-363,-406,-386,-395,-383,-508,-503,-691,-654,-669,-691,-837,-798,-808,-800,-820,-776,-893,-704,-883,-863]} 1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Be7 6. Bd3 Ngf6 7. O-O Nxe4 8. Bxe4 c5 9. c3 Nf6 10. Bc2 cxd4 11. Nxd4 O-O {[#] C10: French with 3 Nc3: Unusual Black 3rd moves and 3...dxe4.} 12. Qf3 $146 ({Predecessor:} 12. Re1 Qc7 13. Qf3 Rd8 14. Bf4 Qb6 15. Bb3 Bd7 16. Nf5 Bf8 17. Nh6+ gxh6 18. Be3 Qa5 19. Qxf6 Bg7 20. Qh4 {1-0 (62) Paravyan,D (2605)-Kalinin,D (1995) Minsk 2019}) 12... Qd5 13. Re1 Qxf3 {The position is equal.} 14. Nxf3 b6 15. Bg5 Bb7 16. Ne5 Rfd8 17. Rad1 h6 18. Bh4 g5 19. Bg3 Ne4 20. Rd7 Rxd7 21. Nxd7 Nxg3 22. hxg3 Rd8 $36 {[%mdl 2048] Black is in control.} 23. Ne5 (23. Ba4 $142) 23... Rd2 $17 24. Bb3 (24. Rc1 $17) 24... Bc5 $19 25. Ng4 h5 ({Much less strong is} 25... Rxb2 26. Nxh6+ Kg7 27. Ng4 $19) 26. Ne3 Rxb2 27. Nd1 Rd2 28. Re5 Be7 29. Re3 Kg7 30. Kf1 Bc5 31. Re1 a5 32. Kg1 Kf6 {Black is clearly winning.} 33. Kf1 Bc6 34. a4 b5 35. axb5 Bxb5+ 36. c4 Bc6 37. Re2 {[#]} Bxg2+ $1 {[%mdl 512]} 38. Ke1 (38. Kxg2 Rxe2) 38... Rxe2+ 39. Kxe2 h4 {White did not feel at home in the position after the opening. Accuracy: White = 42%, Black = 100%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.06"]
[Round "1.11"]
[White "Langner, Ladislav"]
[Black "Thurstan, Tim M"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2377"]
[BlackElo "1987"]
[Annotator "TA"]
[PlyCount "121"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,121,6,19,0,0,0,0,0,4,0,2,0,8,4,4,-9,14,7,30,25,31,31,23,24,22,22,33,22,75,79,94,66,129,107,148,133,191,202,178,87,77,91,80,58,91,40,46,22,29,29,155,149,157,158,162,150,160,86,93,80,74,79,75,0,0,0,83,87,77,82,178,145,116,106,227,204,260,260,520,520,452,437,464,464,458,458,420,362,727,710,649,624,805,757,793,797,1149,1070,894,809,757,737,8011,8222,29959,5795,29962,6111,5620,5620,29985,29986]} 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Bd7 6. a3 a5 {was the old line (6...Bb5).} 7. Bd3 {C02: French: Advance Variation.} a4 8. Nbd2 Nc6 {[%cal Rc5d4]} 9. dxc5 {The position is equal.} Bxc5 10. O-O Nge7 11. c4 {[#]} Ng6 $146 ({Predecessor:} 11... d4 12. Ne4 Ng6 13. Nxc5 Qxc5 14. Bxg6 hxg6 15. Re1 Qxc4 16. Re4 Qc5 17. Bf4 Qb5 {1-0 (27) Gribben,C (1579)-MacLeod,A (1397) London 2017}) 12. b4 axb3 13. cxd5 exd5 {And now ...b2 would win.} 14. Nxb3 Be7 (14... Ngxe5 15. Nxe5 Nxe5 16. Bb2 $14) 15. Be3 Qc7 16. Bxg6 hxg6 17. Qxd5 Be6 18. Qb5 O-O 19. Bb6 Qb8 (19... Na7 $11 20. Bxa7 (20. Bxc7 $2 {is the wrong capture.} Nxb5 21. Ba5 Bxb3 $19) 20... Rxa7) 20. Nbd4 $36 {[%mdl 2048] Black is under strong pressure.} Bg4 21. a4 Bd8 (21... Bd7 $1 $14) 22. Bc5 Ra5 23. Qc4 Re8 (23... Bxf3 $16 24. Nxf3 (24. Bxf8 Nxe5 25. Qc3 Bxg2 $16) 24... Re8) 24. Nxc6 $18 bxc6 25. Bd6 (25. Bb4 $18 {has better winning chances.} Bxf3 26. Bxa5 Bxa5 27. Rab1 (27. gxf3 Rxe5 28. h4 Qd6 $16) 27... Qxe5 28. gxf3) 25... Qc8 $16 26. Nd4 c5 27. Nb5 Be6 28. Qe4 (28. Qxc5 $16 Qxc5 29. Bxc5) 28... Bb6 $14 29. Rfc1 Qa8 30. Qf4 Qc6 {[#]} (30... g5 $11 31. Qxg5 Rxa4 32. Rxa4 Qxa4) 31. Nd4 $1 $16 {[%cal Rd4c6][%mdl 576] Pin} Qd5 (31... cxd4 32. Rxc6) 32. Nxe6 Qxe6 33. Rab1 Ra6 34. Bxc5 ({White should try} 34. h3) 34... Bc7 35. Qc4 Qxc4 36. Rxc4 Bxe5 37. Bb6 (37. Bd4 $16) 37... Rb8 $1 $11 {[%cal Rb8b6]} 38. f4 {Strongly threatening a5.} Raxb6 (38... Bd6 $11 {keeps the balance.} 39. a5 Rxa5 40. Bxa5 Rxb1+ 41. Kf2 g5) 39. Rxb6 $16 Rxb6 40. fxe5 $11 {[%mdl 4096] Endgame KR-KR} Re6 (40... Ra6 $16) 41. Rc8+ Kh7 {[#]} 42. Rc5 $1 f6 {Loses the game.} (42... Rb6 $16 {was necessary.} 43. Rb5 Rc6) 43. Kf2 $18 fxe5 44. Ke3 Rb6 $2 (44... g5 {was worth a try.} 45. a5 Kg6) 45. Rxe5 Rb3+ 46. Kf2 Ra3 47. a5 Kg8 48. Rg5 Kf7 49. Ke2 Kf6 $2 (49... Ra4 50. Kd3 Kf6) 50. h4 Ra4 51. g3 Rd4 52. Ke3 Rd1 53. Ke4 Ra1 54. Kd4 Ra4+ 55. Kc3 Re4 56. Kb3 Rd4 57. a6 Rd3+ 58. Kb4 Rd4+ 59. Kb5 Rd3 60. a7 Rb3+ 61. Ka6 {Accuracy: White = 85%, Black = 41%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.06"]
[Round "1.12"]
[White "Lawrence, Paul"]
[Black "Konopka, Michal"]
[Result "0-1"]
[ECO "D85"]
[WhiteElo "1894"]
[BlackElo "2353"]
[Annotator "ChessBase"]
[PlyCount "78"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. c4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:52]} 2. Nc3 {[%emt 0:00:00]} g6 {[%emt 0:04:18]} 3. d4 {[%emt 0:01:25]} d5 {[%emt 0:00:15]} 4. cxd5 {[%emt 0:03:43]} Nxd5 {[%emt 0:02:59]} 5. Nf3 {[%emt 0:04:56]} Bg7 {[%emt 0:00:12]} 6. e4 {[%emt 0:05:58]} Nxc3 {[%emt 0:06:49]} 7. bxc3 {[%emt 0:00:07]} c5 {[%emt 0:00:31]} 8. Bb5+ {[%emt 0:06:12]} Nc6 {[%emt 0:06:29]} 9. O-O {[%emt 0:05:19]} O-O {[%emt 0:03:22]} 10. Bxc6 {[%emt 0:09:29]} bxc6 {[%emt 0:00:24]} 11. h3 {[%emt 0:01:46]} Qa5 {[%emt 0:14:47]} 12. Be3 {[%emt 0:09:28]} Rd8 {[%emt 0:02:19]} 13. Qc2 {[%emt 0:07:59]} cxd4 {[%emt 0:08:43]} 14. cxd4 {[%emt 0:00:37]} Qh5 {[%emt 0:00:17]} 15. Ne5 {[%emt 0:12:58]} Bxe5 {[%emt 0:05:32]} 16. dxe5 {[%emt 0:00:17]} Qxe5 {[%emt 0:00:28]} 17. Qxc6 {[%emt 0:01:31]} Bd7 {[%emt 0:00:33]} 18. Qb7 {[%emt 0:09:00]} Bb5 {[%emt 0:11:50]} 19. Rfd1 {[%emt 0:02:16]} a6 {[%emt 0:00:23]} 20. Rac1 {[%emt 0:03:58]} Rab8 {[%emt 0:10:54]} 21. Rxd8+ {[%emt 0:04:31]} Rxd8 {[%emt 0:00:08]} 22. Qb6 {[%emt 0:01:03]} Qd6 {[%emt 0:09:49]} 23. Qxd6 {[%emt 0:01:30]} Rxd6 {[%emt 0:01:28]} 24. Bh6 {[%emt 0:01:02]} f6 {[%emt 0:02:50]} 25. Rc8+ {[%emt 0:02:10]} Kf7 {[%emt 0:00:07]} 26. f4 {[%emt 0:02:22]} Rd4 {[%emt 0:02:12]} 27. f5 {[%emt 0:00:41]} Be8 {[%emt 0:00:06]} 28. Ra8 {[%emt 0:00:35]} Rxe4 {[%emt 0:01:44]} 29. fxg6+ {[%emt 0:00:12]} Kxg6 {[%emt 0:00:22]} 30. Rxe8 {[%emt 0:01:12]} Kxh6 {[%emt 0:00:08]} 31. Ra8 {[%emt 0:00:04]} Ra4 {[%emt 0:00:18]} 32. Re8 {[%emt 0:01:07]} e5 {[%emt 0:00:18]} 33. Re6 {[%emt 0:00:13]} Kg6 {[%emt 0:00:15]} 34. h4 {[%emt 0:01:10]} Rxa2 {[%emt 0:01:47]} 35. g4 {[%emt 0:00:28]} h6 {[%emt 0:01:03]} 36. Re8 {[%emt 0:00:14]} Ra4 {[%emt 0:00:25]} 37. h5+ {[%emt 0:01:26]} Kf7 {[%emt 0:00:26]} 38. Rh8 {[%emt 0:00:24]} Rxg4+ {[%emt 0:00:11]} 39. Kf2 {[%emt 0:00:04]} Rg5 {[%emt 0:01:03]} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.06"]
[Round "1.13"]
[White "Jahn, Constanze"]
[Black "Arkell, Keith C"]
[Result "0-1"]
[ECO "B17"]
[WhiteElo "2048"]
[BlackElo "2447"]
[Annotator "TA"]
[PlyCount "140"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,140,23,48,33,34,35,49,46,46,27,40,37,52,39,42,39,41,33,37,27,32,31,39,24,25,-27,-27,-63,-22,-21,-9,-69,-70,-71,-75,-83,-54,-73,-74,-85,-55,-51,-45,-124,-84,-84,-83,-118,-99,-111,-101,-138,-141,-132,-137,-143,-125,-156,-152,-156,-154,-157,-156,-147,-141,-207,-184,-200,-197,-351,-344,-366,-341,-320,-353,-345,-330,-372,-341,-329,-250,-260,-228,-425,-232,-233,-208,-355,-362,-325,-325,-342,-281,-540,-480,-742,-738,-714,-700,-656,-669,-2265,-2287,-1583,-1708,-2058,-1613,-2097,-1988,-1603,-1439,-5216,-4909,-5081,-4698,-1595,-758,-29967,-29972,-12793,-2185,-29983,-29982,-29990,-29991,-29994,-29995,-29995,-29996,-29996,-29997]} 1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Ng5 Ngf6 6. Bd3 Nb6 7. N1f3 {Ne5 is the strong threat. B17: Caro-Kann: Modern Line (4...Nd7).} h6 8. Ne4 Nxe4 9. Bxe4 {White is slightly better.} Bg4 10. h3 Bxf3 11. Bxf3 g6 12. O-O Bg7 13. c3 O-O 14. Bf4 Nd5 {[#]} 15. Bd2 $146 ({Predecessor:} 15. Bg3 e6 16. Re1 Qd7 17. Qc2 Rfd8 18. Rad1 Rac8 19. Qb3 b5 20. Be5 Nb6 21. Bxg7 Kxg7 {0-1 (73) Artola Pola,G (1987)-Arkell,K (2438) Dublin 2017}) 15... e6 16. Qb3 Qc7 17. Rac1 Rfd8 18. c4 (18. a4 $142) 18... Ne7 $11 19. d5 exd5 20. cxd5 Qb6 21. Qa4 (21. Qxb6 $11 axb6 22. dxc6 Rxd2 23. cxb7) 21... Nxd5 $15 ({Don't blunder} 21... Bxb2 $2 22. Rb1 $18) 22. b3 {Black should prevent Ba5.} a5 23. Qh4 h5 24. Bg5 Re8 25. Rfd1 Re5 26. Bxd5 Rxd5 27. Be3 (27. Rxd5 $15 cxd5 28. Qa4) 27... Qd8 28. Qxd8+ Raxd8 29. Re1 R8d7 30. g3 Bd4 31. Kg2 Bxe3 32. Rxe3 $17 {[%mdl 4096] Endgame KRR-KRR} Rd2 33. a4 R7d3 34. Rc3 Rxc3 35. Rxc3 {KR-KR} Kf8 36. Re3 Rd4 37. Kf3 f6 38. h4 (38. Ke2 $17) 38... Kf7 39. Kg2 c5 40. Kh3 $2 {[#]} (40. Kf3) 40... b6 41. Rc3 Rb4 42. f3 g5 43. hxg5 fxg5 44. Rd3 Ke6 45. Kg2 Ke5 46. Kf2 {[#]} c4 $1 47. Re3+ $2 (47. bxc4 Rxc4 48. Ra3) 47... Kf5 (47... Kd4 $142 48. Re4+ Kd5 49. bxc4+ Rxc4) 48. bxc4 $19 Rxc4 49. Rb3 (49. Ra3 $142) 49... Rb4 ({Less strong is} 49... Rxa4 50. Rb5+ Kf6 51. Rxb6+ Ke7 52. Rh6 $17) 50. Rd3 Ke5 ({Not} 50... Rxa4 51. Rd5+ Kg6 52. Rd6+ Kf5 53. Rd5+ Kf6 54. Rd6+ Kf5 55. Rd5+ $17) 51. Re3+ Kd5 52. Re8 $2 (52. Ra3) 52... Rxa4 53. Rg8 (53. Rd8+ $142 Kc4 54. f4 Ra2+ 55. Kf3 g4+ 56. Ke4) 53... g4 54. Rg5+ Kc6 55. Rxh5 Ra2+ 56. Kf1 gxf3 57. Rf5 a4 58. Rxf3 Rd2 59. Ke1 Rd4 60. Ke2 b5 61. Rc3+ Rc4 62. Ra3 Kc5 63. Ra1 Rc3 (63... Kb4 $142 64. Rb1+ Ka5) 64. Rg1 a3 {[%cal Ba4a3,Ba3a2][%mdl 32]} 65. Kd2 Rf3 (65... Kc4 $142 66. g4 a2) 66. Kc2 b4 {[%cal Bb5b4,Bb4b3][%mdl 32] Black mates.} 67. Kb1 b3 68. g4 a2+ 69. Kb2 Kb4 70. g5 Rf2+ {Accuracy: White = 49%, Black = 79%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.06"]
[Round "1.14"]
[White "Hebden, Mark L"]
[Black "Mai, Iris"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2444"]
[BlackElo "2035"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,89,24,87,74,86,60,104,81,135,112,145,147,148,143,180,160,170,160,180,154,202,185,195,168,179,180,174,169,177,148,158,174,297,301,281,289,281,295,273,296,275,316,316,187,196,101,100,95,93,63,72,-144,71,0,0,0,22,-74,-82,-67,131,145,499,491,531,532,503,413,398,62,62,64,131,120,580,54,93,0,123,55,60,37]} 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 Nbd7 5. cxd5 Nxd5 (5... cxd5 $11 6. Nc3 e6) 6. e4 $16 {D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4.} Nc7 7. Nc3 Nf6 8. h3 {White is better.} h6 (8... g6 $142) 9. Bf4 Ne6 10. Be3 Nc7 11. Rc1 e6 12. Bd3 Be7 13. O-O Kf8 14. Ne5 Bd7 15. f4 Be8 16. f5 Kg8 17. fxe6 Nxe6 18. Bc4 Kh7 19. Qd3 b5 20. Bb3 g6 (20... c5 {is a better defense.}) 21. Ne2 $18 c5 22. dxc5 Qxd3 23. Nxd3 Nxe4 24. Bd5 Rd8 25. Bxe4 f5 26. Bxf5 (26. Ndf4 $142 Nxf4 27. Rxf4 fxe4 28. c6) 26... gxf5 27. Ndf4 (27. Ne5 $18) 27... Nxf4 $16 28. Nxf4 {Strongly threatening c6.} Bc6 29. Ne6 Rd3 30. Kf2 $2 ({But not} 30. Rxf5 Rxe3 31. Rf7+ Kg6 $11) (30. Rfe1 $16) 30... Rg8 $2 {[#]} (30... Bh4+ $1 $17 31. Ke2 Rxe3+ 32. Kxe3 Re8 33. Rxf5 Bg5+ 34. Rxg5 hxg5) 31. Nf4 (31. g4 $1 $16 {[%mdl 512]}) 31... Bh4+ $11 32. Ke2 Rd7 33. Rfd1 (33. Rcd1 $11 {remains equal.}) 33... Re7 $17 34. Rd6 Bxg2 $2 {[#]} (34... Rg3 $1 $15 {stays ahead.} 35. Rxc6 Rgxe3+ 36. Kd2 Bg5) 35. c6 $1 $16 Bg3 $2 {[%mdl 8192]} (35... Bf3+ $16 36. Kd2 (36. Kxf3 Rg3+ 37. Kf2 Rgxe3+ 38. Kg2 Rg7+ 39. Rg6 Rc7 $16) 36... Rc7) 36. Rd7 $18 Rxd7 37. cxd7 Bxf4 38. Bxf4 {[%mdl 4096] Endgame KRB-KRB} Rd8 39. Rc7 $2 (39. Rd1 $18) 39... Bd5 $1 $14 40. Rxa7 Bc4+ (40... Be6 $14) 41. Kf2 $16 {b3 is the strong threat.} Kg7 $2 {[%mdl 8192] [#]} (41... Kg6 $16) 42. Be5+ $146 (42. Bc7 $18 Rxd7 43. Be5+ {[%mdl 64] Discovered Attack} Kf7 44. Rxd7+ Ke6 45. b3) ({Predecessor:} 42. Bc7) 42... Kg6 43. Bf4 (43. Ra6+ $16 Kf7 44. Rf6+ (44. Rxh6 Bxa2 45. h4 Rxd7 $16) 44... Ke7 45. Rxh6 Rxd7 46. Rh7+ Ke8 47. Rxd7 Kxd7 48. b3) 43... Kf7 (43... Kg7 $1 $11) 44. Ra6 ({White should play} 44. Bxh6 $16 {Black must now prevent Bg5.} Be6 45. h4) 44... Rxd7 45. Rxh6 {Accuracy: White = 44%, Black = 46%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.06"]
[Round "1.15"]
[White "Skibbe, Diana"]
[Black "Flear, Glenn C"]
[Result "0-1"]
[ECO "C30"]
[WhiteElo "2008"]
[BlackElo "2420"]
[Annotator "TA"]
[PlyCount "36"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,36,-16,0,-33,-42,-108,-113,-102,-114,-122,-100,-81,-82,-201,-206,-437,-437,-649,-660,-670,-630,-609,-616,-618,-624]} 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb6 7. Nc3 O-O 8. Be2 {C30: King's Gambit Declined.} Nc6 9. O-O (9. e5 $1 $15 dxe5 10. fxe5) 9... Re8 $17 10. Kh1 {Black is better.} Nxe4 11. Nxe4 Rxe4 12. Bd3 {[#]} Re7 $146 ({Predecessor:} 12... Rxd4 13. Nxd4 Bxd4 14. Qe2 Bd7 15. Be3 Qf6 16. Bxd4 Qxd4 {½-½ (16) Gimeno Oteo,M (2142)-Glavina,P (2478) Spain 2010}) 13. Bxh7+ (13. d5 $17 {keeps fighting.} Nb4 14. Bb1) 13... Kxh7 $19 14. Ng5+ $2 {[#]} (14. d5) 14... Kg8 {Black is clearly winning.} 15. Qh5 (15. Qd3 $142 g6 {[#]} 16. f5 $1 {[%mdl 512]} Nxd4 17. fxg6 fxg6 18. Qxg6+ Rg7 19. Qh5) 15... Bf5 16. Bd2 f6 17. Nf3 g6 18. Qh4 Nxd4 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.06"]
[Round "1.16"]
[White "McDonald, Neil"]
[Black "Jeske, Kirsten"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2410"]
[BlackElo "1953"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,59,21,43,42,48,39,51,29,58,54,110,114,127,128,142,124,133,118,110,108,79,0,0,0,10,-62,-67,-72,-56,-119,-114,-182,-180,-182,-8,-15,103,93,92,89,137,138,115,130,29998,29999]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Be3 Nc6 8. Qd2 Bg4 9. O-O-O {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves.} a6 10. Be2 {[#]} Rb8 $146 ({Predecessor:} 10... Qd7 11. h3 Bh5 12. Kb1 Bg6 13. Rhe1 O-O-O 14. Nd4 Nxd4 15. Qxd4 h5 16. Qxg7 Qf5 {1-0 (50) Sibajeva,M (1996)-Ryder,K (1525) Bratislava 2019}) 11. h4 {White is slightly better.} b5 12. Nd4 Nxd4 (12... Bd7 $14) 13. Bxg4 $16 Nc6 14. f4 Na5 15. b3 O-O {[#]} 16. h5 $1 h6 17. Bf3 c6 18. Qd3 (18. g4 $16) 18... d5 $11 19. Bd4 Qd6 20. Rhe1 ({White should try} 20. Qf5 $1 $11) 20... Qxf4+ $15 21. Kb1 Bf6 22. Be3 (22. Bxf6 $15 Qxf6 23. Qd4) 22... Qc7 23. Rf1 {[#]} (23. Bd4 $17) 23... Nc4 $1 $19 {[%mdl 512]} 24. Bc1 (24. bxc4 bxc4+) 24... Qa5 $2 (24... a5 $19 {Threatening ...Qe7.} 25. Bg4 Qd6) 25. Bxd5 $1 $11 {Black must now prevent Rxf6.} cxd5 (25... Rbd8 $11 26. Qh3 Na3+ 27. Bxa3 Qxa3) 26. Rxf6 $1 $16 gxf6 27. Bxh6 Na3+ {[#]} 28. Kb2 $1 {[%mdl 1536] White wants to mate with Qg3+. White has strong compensation.} Nc4+ {[#]} 29. Ka1 $1 {[%mdl 512] Intending Qg3+ and mate.} Qa3 $2 {[%mdl 8192]} (29... Qc7 $16) 30. Qg3+ {Never resign too early! Accuracy: White = 72%, Black = 66%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.06"]
[Round "1.17"]
[White "Ftacnik, Lubomir"]
[Black "Svanda, Pavel"]
[Result "1-0"]
[ECO "D26"]
[WhiteElo "2513"]
[BlackElo "2074"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,85,57,37,52,43,53,39,64,26,28,33,60,34,72,23,35,20,58,45,53,43,64,70,54,64,111,122,188,191,197,116,185,175,152,119,113,86,167,139,700,762,731,701,660,301,369,366,560,562,564,564,545,524,708,706,1125,1388,1148,963,29981,29982,29982,29979,29979,29980,29980,29981]} 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O Nc6 7. Qe2 cxd4 8. exd4 Be7 9. Rd1 O-O 10. Nc3 Nb4 11. Bg5 {was the old line (11.Ne5).} Nbd5 {D26: Queen's Gambit Accepted: 4 e3 e6 5 Bxc5 c5 sidelines.} 12. Ne5 Nxc3 13. bxc3 Nd5 {White is slightly better.} 14. Bxe7 (14. Bd2 {seems wilder.} Qc7 15. Qe4 Bd6 16. Rac1 Bd7 17. Bd3) 14... Qxe7 15. Qf3 f6 16. Ng4 Qd6 {[#]} 17. Rab1 $146 (17. Bb3 {is more complex.} Bd7 18. c4 Nf4 19. Ne3 Kh8 20. Rab1) ({Predecessor:} 17. Bb3 b5 18. a4 bxa4 19. Rxa4 Bd7 20. Ra5 Bc6 21. Rc5 Rac8 22. Qg3 Qxg3 23. hxg3 {½-½ (81) Gottschalk,J (2282)-Hohlfeld,W (2102) Dresden 2016}) 17... Rb8 18. Ne3 {[%cal Re3d5]} Nxe3 ({But not} 18... Nxc3 $2 19. Nf5 $18) 19. Qxe3 b6 20. Bb3 Bd7 21. c4 {[%cal Bc3c4,Bc4c5,Bc5c6][%mdl 32]} Qc7 22. c5 {Hoping for c6.} Rbe8 23. Rbc1 Kh8 {[#]} (23... bxc5 $16 {is a better defense.} 24. dxc5 Kh8) 24. c6 $1 $18 {[%cal Rc6d7][%mdl 512]} Bc8 (24... Bxc6 25. Qc3) 25. Qg3 (25. Re1 $18) 25... e5 (25... Re7 $16 26. Re1 Rd8) 26. Re1 Re7 27. dxe5 fxe5 28. Re3 Rf6 (28... Bf5 $16) 29. Rf3 $40 {[%mdl 128] Black must now prevent Rxf6. Black is in trouble.} Be6 $2 {[%mdl 8192] This costs Black the game.} (29... Bf5 $16) 30. Rxf6 gxf6 {[#]} 31. Qh4 $1 {[%mdl 512]} Kg7 32. Bc2 (32. Bxe6 $142 {White threatens Qg4+ and mate.} Rxe6 33. Qg4+ {[%mdl 64] Double Attack} Kf7 {[#]} 34. Qf5 $1 {[%mdl 512]}) 32... Bg8 33. Be4 Qd6 (33... Qd8 {was called for.} 34. h3 Rc7) 34. Qg4+ Kh8 35. Rd1 Qe6 36. Qf3 {And now Rd8 would win.} Kg7 37. h4 Qc8 38. h5 Qf8 39. Rd6 Be6 {[#]} 40. Rxe6 $1 {[%mdl 576] Decoy. White mates.} Rxe6 41. Qg4+ Kf7 {[#]} 42. Bd5 $1 {[%mdl 576] Pin} Qd6 43. c7 {Accuracy: White = 75%, Black = 39%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.06"]
[Round "1.18"]
[White "Miculka, Petr"]
[Black "Stohl, Igor"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "2040"]
[BlackElo "2470"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,64,27,27,27,26,25,28,38,36,33,39,43,39,35,37,0,7,0,0,0,0,-89,-88,-79,-83,-136,-82,-319,-322,-307,-330,-434,-395,-469,-468,-453,-447,-542,-548,-539,-520,-546,-541,-683,-686,-786,-764,-1584,-1556,-29980,-29979,-29991,-29983,-29983,-29984,-29991,-29984]} 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. h3 Nbd7 5. Bd3 b6 6. O-O {B50: Sicilian: 2...d6, Miscellaneous.} Bb7 7. Re1 Qc7 8. Bc2 {White has an edge.} Rc8 9. Na3 e6 10. d4 cxd4 11. Nb5 Qc5 {[#]} 12. Nfxd4 $146 {Threatens to win with Be3.} ({And not} 12. Nxa7 Ra8 $17) ({Predecessor:} 12. Nbxd4 a6 13. Ng5 h6 14. Ngxe6 fxe6 15. Nxe6 Qc6 16. f4 Be7 17. Qe2 Qc4 18. Nxg7+ {0-1 (51) Paveto,K (2416)-Salinas Herrera,P (2470) Buenos Aires 2018}) 12... a6 13. b4 Qh5 14. Qxh5 Nxh5 15. Na3 (15. Na7 $1 $11 {keeps the balance.} Rc7 16. b5) 15... Rxc3 $17 16. Bb2 Rc8 17. Rad1 {[#]} (17. Rac1 $142) 17... Be7 (17... b5 $142 $1 18. Bb3 Ne5) 18. Nf5 $2 {Loses the game.} (18. b5 $17 {was necessary.}) 18... exf5 $19 19. exf5 {[#]} Ne5 $1 20. f6 (20. Bxe5 dxe5) 20... Nxf6 21. f4 Nc4 22. Nxc4 Rxc4 {[%mdl 64] Double Attack} 23. Rd2 Ne4 24. Rde2 {[%cal Rc2e4]} d5 25. Bxg7 Rg8 26. Be5 Bxb4 27. Rd1 Ng3 28. Re3 Rxc2 29. Bd6+ Ne4 {Black mates.} 30. Bxb4 Rgxg2+ 31. Kh1 f5 32. Rc1 d4 {Accuracy: White = 48%, Black = 92%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.06"]
[Round "1.19"]
[White "Motuz, Karol"]
[Black "Tesar, Jan"]
[Result "1-0"]
[ECO "D08"]
[WhiteElo "2368"]
[BlackElo "2008"]
[Annotator "TA"]
[PlyCount "107"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,107,57,56,61,70,66,60,58,65,64,72,45,82,62,56,43,52,-64,-61,-70,-36,-79,-50,-47,-54,-55,-25,-54,-47,-83,-48,-49,0,-45,0,0,83,87,77,62,144,135,144,106,98,101,99,100,202,184,193,201,194,193,283,248,509,164,176,164,147,133,177,177,167,154,142,126,243,234,375,388,473,478,522,457,447,439,438,431,626,582,895,885,877,522,862,850,1042,1023,1069,1049,1008,1001,969,895,2168,2144,2120,2113]} 1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. Nbd2 Nge7 6. Nb3 {D08: Albin Counter Gambit.} Nf5 7. e4 $1 {7.e4 is better than 7.a3.} dxe3 $1 8. Qxd8+ {White is slightly better.} Nxd8 9. fxe3 Be7 10. Bd3 O-O 11. O-O Nh4 {[#]} 12. Bd2 $146 ({Predecessor:} 12. Nxh4 Bxh4 13. Nd4 a6 14. b3 Re8 15. Nf3 Be7 16. Bb2 Bg4 17. h3 Bh5 18. g4 {½-½ (39) Velikanov,I (2231)-Reprintsev,A (2374) Kolomna 2018}) 12... Nc6 13. Rad1 ({Better is} 13. Bc3 $1 $14) 13... Nxf3+ $15 14. gxf3 Bh3 15. Rf2 Bh4 16. Bc3 Bxf2+ 17. Kxf2 Rfd8 18. Rd2 a5 19. a3 g6 20. Nc5 Bc8 21. Ne4 Kf8 22. Nf6 h6 (22... Be6 $1 $11) 23. Nd5 $16 {[%mdl 1024] White has strong compensation.} Rd7 24. e4 Nd8 (24... b6 $14) 25. f4 Ne6 26. Ke3 Nc5 27. Bc2 b6 28. b3 Rb8 (28... Bb7 $16) 29. Rg2 $18 c6 30. Nf6 Rd8 31. f5 g5 {[#]} (31... Rb7 $142 32. e6 (32. fxg6 fxg6 33. Rxg6 Rg7 $16) 32... Bxe6 33. fxe6 Nxe6) 32. h4 $1 {[%mdl 512]} gxh4 $2 (32... Ke7 33. e6 a4) 33. Rg8+ $2 (33. Be1) 33... Ke7 34. Rg7 Rh8 35. Kf3 Kf8 36. Rg1 h3 37. Rh1 Ke7 38. Rxh3 Nd7 (38... h5 $16 {might work better.} 39. Nxh5 Ba6) 39. Nh5 {[#] e6 is the strong threat.} Rf8 (39... Ba6 $142 40. e6 fxe6) 40. Nf4 a4 41. b4 {White is clearly winning.} Bb7 42. e6 fxe6 43. Ng6+ Kd6 44. Nxf8 Rxf8 (44... Nxf8 $142 45. Rxh6 Re8) 45. Rxh6 Ne5+ 46. Bxe5+ Kxe5 47. Rxe6+ {[%mdl 4096] Endgame KRB-KRB} Kd4 48. Kf4 Kxc4 49. Bxa4 b5 50. Bd1 Rd8 51. Bh5 Rh8 52. Kg5 Kb3 53. f6 Rg8+ 54. Bg6 {Accuracy: White = 77%, Black = 43%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.06"]
[Round "1.20"]
[White "Bradac, Roman"]
[Black "Petran, Peter"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "1974"]
[BlackElo "2268"]
[Annotator "ChessBase"]
[PlyCount "76"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} Bg7 {[%emt 0:00:00]} 3. Bf4 {[%emt 0:00:24]} d6 {[%emt 0:00:00]} 4. c4 {[%emt 0:00:48]} Nd7 {[%emt 0:00:42]} 5. Nc3 {[%emt 0:01:30]} e5 {[%emt 0:00:10]} 6. Bg5 {[%emt 0:04:41]} Ngf6 {[%emt 0:01:23]} 7. h3 {[%emt 0:01:39]} h6 {[%emt 0:01:13]} 8. Be3 {[%emt 0:04:13]} c6 {[%emt 0:00:39]} 9. dxe5 {[%emt 0:03:51]} dxe5 {[%emt 0:00:06]} 10. g3 {[%emt 0:15:14]} Qe7 {[%emt 0:00:23]} 11. Bg2 {[%emt 0:00:29]} Qb4 {[%emt 0:06:09]} 12. Qb3 {[%emt 0:07:20]} a5 {[%emt 0:00:12]} 13. O-O {[%emt 0:00:48]} O-O {[%emt 0:02:11]} 14. Nd2 {[%emt 0:05:13]} Re8 {[%emt 0:00:17]} 15. a3 {[%emt 0:01:42]} Qe7 {[%emt 0:03:26]} 16. Qc2 {[%emt 0:01:19]} Nf8 {[%emt 0:04:08]} 17. c5 {[%emt 0:02:40]} Be6 {[%emt 0:05:04]} 18. Nde4 {[%emt 0:06:52]} Nxe4 {[%emt 0:07:17]} 19. Nxe4 {[%emt 0:01:07]} a4 {[%emt 0:00:16]} 20. Rac1 {[%emt 0:09:59]} Red8 {[%emt 0:00:47]} 21. Nd6 {[%emt 0:02:44]} Bb3 {[%emt 0:01:25]} 22. Qd2 {[%emt 0:00:48]} Kh7 {[%emt 0:01:01]} 23. Qb4 {[%emt 0:07:02]} Rab8 {[%emt 0:00:19]} 24. Nc4 {[%emt 0:17:04]} Ne6 {[%emt 0:01:49]} 25. Be4 {[%emt 0:03:01]} Nd4 {[%emt 0:00:55]} 26. Rfe1 {[%emt 0:00:01]} f5 {[%emt 0:00:47]} 27. Bb1 {[%emt 0:00:38]} Qf7 {[%emt 0:08:55]} 28. Bd2 {[%emt 0:00:57]} Nb5 {[%emt 0:02:36]} 29. Ne3 {[%emt 0:00:51]} e4 {[%emt 0:01:47]} 30. Bc3 {[%emt 0:00:02]} Nxc3 {[%emt 0:00:40]} 31. bxc3 {[%emt 0:00:02]} Bf8 {[%emt 0:01:25]} 32. Bc2 {[%emt 0:02:06]} Be6 {[%emt 0:07:06]} 33. Bxa4 {[%emt 0:00:02]} b6 {[%emt 0:00:21]} 34. Qb2 {[%emt 0:01:17]} Bxc5 {[%emt 0:00:58]} 35. Bxc6 {[%emt 0:00:13]} Qc7 {[%emt 0:00:27]} 36. Bb5 {[%emt 0:00:46]} Bxe3 {[%emt 0:00:44]} 37. fxe3 {[%emt 0:00:01]} Qxg3+ {[%emt 0:00:10]} 38. Kf1 {[%emt 0:00:29]} f4 {[%emt 0:00:24]} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.06"]
[Round "1.21"]
[White "Malinovsky, Petr"]
[Black "Petursson, Margeir"]
[Result "0-1"]
[ECO "E46"]
[WhiteElo "2101"]
[BlackElo "2466"]
[Annotator "TA"]
[PlyCount "116"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,116,16,-20,-18,-26,-18,-32,-16,-35,0,-66,-67,-85,-63,-59,-53,-81,-70,-104,-86,-140,-130,-206,-222,-202,-220,-235,-237,-358,-228,-212,-215,-226,-217,-213,-204,-250,-257,-252,-239,-262,-256,-279,-242,-230,-227,-225,-225,-258,-256,-310,-245,-264,-270,-286,-275,-287,-280,-285,-274,-300,-290,-340,-330,-358,-351,-403,-389,-389,-362,-355,-347,-321,-321,-302,-299,-475,-457,-518,-512,-593,-556,-686,-656,-734,-716,-870,-875,-844,-794,-945,-938,-906,-888,-1189,-1138,-2956,-2868,-12841,-12841,-12840,-12840,-12843,-12843,-12842,-12843]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nge2 Re8 6. a3 Bf8 7. g3 d5 {E46: Nimzo-Indian: Rubinstein: 4 e3 0-0 5 Ne2 without early Bd3.} 8. cxd5 exd5 9. Bg2 c6 {Black is slightly better.} 10. O-O Nbd7 {[%cal Bb8d7,Bd7b6,Bb6c4][%mdl 32]} 11. b4 (11. Re1 $11) 11... Nb6 $15 {[#]} 12. b5 $146 ({Predecessor:} 12. Qd3 g6 13. f3 Nh5 14. g4 Ng7 15. Ng3 Be6 16. Ra2 Qh4 17. Raf2 Bd6 18. Nce2 {0-1 (45) Cosman,A (2101)-Khalafova,N (2193) Mamaia 2016}) 12... Nc4 13. bxc6 bxc6 14. Nf4 Bf5 15. Re1 Rb8 16. Na4 ({Better is} 16. Bf1) 16... Qa5 $17 {Hoping for ...g5.} 17. Nc5 (17. Ra2 $17) 17... Bxc5 $19 18. dxc5 Ne4 19. Rf1 Nxc5 20. Qh5 (20. Qe1 $142) 20... Be4 21. Bxe4 Nxe4 22. Qd1 Qc3 23. Ra2 Rb1 24. Qc2 Reb8 25. Qxc3 Nxc3 26. Rc2 R8b3 27. Nd3 {[#]} Ne2+ $1 {[%mdl 512]} 28. Rxe2 {Black must now prevent Nb4.} Rxd3 29. Rc2 f5 30. Kg2 Kf7 31. Re1 Ke6 32. Kf1 Rbb3 33. a4 Rdc3 34. Ra2 Rb1 35. Bd2 Rxe1+ 36. Bxe1 {[%mdl 4096] Endgame KRB-KRN} Rb3 37. a5 a6 38. Ke2 g5 39. h3 h5 40. Rc2 Kd6 41. Bc3 c5 42. Bf6 g4 ({Not} 42... Nxa5 43. Ra2 $17) 43. hxg4 hxg4 ({But not} 43... fxg4 44. e4 $19) 44. Rc1 (44. Ra2 {is the only way for White.}) 44... Ra3 {Black is clearly winning.} 45. Rb1 Rxa5 46. Rb8 Ra2+ 47. Ke1 Nd2 48. Bg7 Ne4 49. Bf8+ Kc6 50. Re8 Nxf2 51. Rc8+ Kd7 52. Rb8 Ne4 53. Rb7+ Kc6 54. Rf7 d4 55. exd4 cxd4 {[%cal Bc5d4,Bd4d3][%mdl 32]} 56. Bg7 d3 {[#] ( -> ...Re2+)} 57. Rxf5 Re2+ 58. Kd1 Nf2+ {Black took control after the opening. Accuracy: White = 45%, Black = 87%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.06"]
[Round "1.22"]
[White "Thorhallsson, Throstur"]
[Black "Kastner, Oldrich"]
[Result "1-0"]
[ECO "C12"]
[WhiteElo "2424"]
[BlackElo "1965"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,54,29,-6,-2,10,43,42,35,40,93,99,111,95,107,95,90,100,145,140,252,246,261,250,258,254,385,395,372,365,884,866,911,511,681,689,747,719,1544,1433,29991,29992,29993,29994,29994,29995,29999]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. exd5 Qxd5 6. Nf3 (6. Bxf6 $5 Bxc3+ 7. bxc3 gxf6 8. Qf3 $11) 6... Ne4 {C12: French: Classical System: McCutcheon Variation.} 7. Bd2 $1 Nxc3 (7... Bxc3 $5 8. bxc3 b6 $11) 8. bxc3 {[%cal Bb2c3,Bc3c4][%mdl 32] [#]} Be7 $146 {White is slightly better.} ({Predecessor:} 8... Ba3 9. Bd3 c5 10. c4 Qd6 11. d5 exd5 12. Qe2+ Be6 13. cxd5 Qxd5 14. Be4 Qd7 15. O-O Nc6 16. Rfd1 Qc7 17. Ng5 Rd8 18. Bxc6+ Qxc6 19. Bc3 {1-0 (19) Aydin,N (1200)-Molano,I (1241) LSS email 2010}) 9. Bd3 Nd7 (9... c5 $14) 10. c4 $16 Qh5 11. g4 $36 {[%mdl 2048] White is in control.} Qxg4 12. Rg1 Qh5 13. Rxg7 Bf6 14. Rg3 b6 (14... c6 $16) 15. Be4 $18 Rb8 16. Bc6 h6 17. Rb1 {Rb5 is the strong threat.} Qf5 (17... a6 {was necessary.} 18. Bc3 b5) 18. Rb5 Qh7 19. Rh5 Bg7 $2 {[#]} (19... Bb7) 20. Ng5 $1 {[%mdl 512]} Qg8 (20... hxg5 21. Rxh7) 21. Ne4 {Strongly threatening Bxh6!} Qf8 22. d5 Kd8 23. Qg4 Rh7 24. dxe6 Ne5 25. Qh4+ {White mates.} Qe7 {[#]} 26. Rxe5 $1 {[%mdl 512]} Qxh4 (26... Bxe5 27. Rg8#) 27. Rd3+ Ke7 28. Bb4# {Black got outplayed after the opening. Accuracy: White = 88%, Black = 30%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.06"]
[Round "1.23"]
[White "Paldus, Petr"]
[Black "Jonsson, Bjorgvin"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "2008"]
[BlackElo "2324"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,100,6,0,0,0,0,10,10,10,9,9,12,16,16,23,12,14,-6,0,-4,0,0,16,2,0,0,28,-26,23,25,26,6,11,8,34,6,6,-21,2,0,29,22,72,31,46,41,39,0,0,-70,-65,-52,-45,-285,-295,-262,-97,-124,0,-310,-306,-421,-410,-503,-400,-452,-446,-333,-405,-341,-421,-387,-361,-733,-703,-708,-711,-1105,-1088,-1168,-1118,-1833,-1706,-2793,-2576,-2498,-2064,-4918,-9556,-29953,-4606,-29955,-4618]} 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Bd3 Nc6 5. O-O g6 6. Re1 {B50: Sicilian: 2...d6, Miscellaneous.} Bg7 7. Bc2 Bg4 8. h3 {The position is equal.} Bxf3 9. Qxf3 O-O 10. d3 b5 11. Be3 {[#]} Rb8 $146 ({Predecessor:} 11... Nd7 12. Qd1 Rb8 13. a3 a5 14. d4 Qc7 15. f4 cxd4 16. cxd4 Nxd4 17. Bxd4 Bxd4+ 18. Qxd4 Qxc2 {1-0 (41) De Wit,M (2308)-Van der Stricht,G (2365) Belgium 2011}) 12. Nd2 b4 13. Nc4 bxc3 14. bxc3 Na5 15. Na3 Nd7 16. d4 cxd4 17. cxd4 Nc6 18. Qd1 (18. e5 $142 $1 Nb4 19. exd6) 18... e5 {[%cal Re5d4]} 19. d5 Nd4 20. Bd3 Nc5 21. Nc4 Qc7 22. Rb1 Rxb1 23. Bxb1 Rb8 24. Bd3 Rb4 25. Bf1 a5 26. Qc1 a4 27. f3 Rb8 28. Qc3 f5 $36 {[%mdl 2048] Black fights for an advantage.} 29. Qa5 (29. Nd2 $11) 29... Qxa5 $15 30. Nxa5 fxe4 31. Bxd4 $2 {[#]} (31. fxe4 $15 Bf6 32. Bf2) 31... exd4 $19 32. fxe4 Re8 $2 (32... d3 $19 {Hoping for ...Bc3.} 33. Rd1 Bd4+ 34. Kh2 Be5+ 35. Kg1 Rb5) 33. Bb5 Rb8 (33... Rf8 $17 {And now ...d3 would win.} 34. Nc6 Re8) 34. Bc4 $2 {[%mdl 8192] Black converts the advantage convincingly.} (34. Bf1 $1 $11 {and White is okay.}) 34... Rb2 35. Nc6 {intending e5.} d3 36. e5 d2 37. Rf1 Bxe5 38. Nxe5 dxe5 {[%mdl 4096] Endgame KRB-KRN} 39. d6+ Kg7 40. Rd1 Rc2 41. Be2 $2 {[#]} (41. Bb5 Kf6 42. Kf2) 41... a3 {[%cal Ba4a3,Ba3a2][%mdl 32]} 42. Kf2 Rxa2 43. Ke3 Rb2 44. Bg4 a2 45. Ra1 Kf8 ({Weaker is} 45... Nb3 46. d7 $11) 46. h4 h5 47. Be2 Ke8 48. g4 Kd7 49. gxh5 gxh5 50. Bxh5 Nb3 {Accuracy: White = 41%, Black = 79%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.06"]
[Round "1.24"]
[White "Gislason, Gudmundur"]
[Black "Danek, Pavel"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2322"]
[BlackElo "1882"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,84,22,43,37,62,58,69,63,80,40,62,61,77,50,65,16,57,14,37,0,0,4,4,22,43,0,43,25,48,50,105,20,28,29,33,10,80,68,68,69,54,23,355,373,331,0,0,0,0,0,0,0,0,0,0,0,0,-20,-25,-17,-17,-17,-17,-17,-17,-17,-17,-13,-19,-17,0]} 1. d4 d5 2. Nf3 e6 3. g3 f5 4. Bg2 Nf6 5. O-O Be7 6. c4 c6 7. Qc2 O-O 8. Nbd2 Ne4 9. Ne5 {[%cal Rd2e4] A92: Classical Dutch: Classical Stonewall (with ...Be7): Early deviations.} Nxd2 10. Bxd2 Nd7 11. Nd3 {White is slightly better.} Nf6 12. f3 Bd7 {[#]} 13. c5 $146 ({Predecessor:} 13. Nf2 Be8 14. Bc3 dxc4 15. e4 fxe4 16. Nxe4 Nd5 17. Qe2 b5 18. Nc5 Bxc5 19. dxc5 Nxc3 20. bxc3 {1-0 (43) Iotov,V (2281)-Recuero Guerra,D (2151) Poio 2003}) 13... Be8 14. Qb3 b6 15. Rac1 Nd7 16. Nf4 Rf6 {[%cal Rb6c5]} 17. Qe3 bxc5 18. Nxe6 cxd4 19. Nxd4 Bc5 20. Bc3 Bf7 21. Kh1 f4 22. gxf4 Qc7 ({Black should try} 22... Bf8 $14) 23. Qf2 (23. Bh3 $16) 23... Qxf4 $11 24. e3 Qh6 25. f4 Ne5 (25... Re8 $11 {remains equal.}) 26. Nf5 Rxf5 27. Bxe5 Bb6 28. Qg3 {Threatens to win with Rxc6!} Re8 $2 {[%mdl 8192] [#]} (28... Rh5 $11) 29. Rxc6 $1 $18 {[%mdl 512]} g6 (29... Qxc6 30. Qxg7#) 30. Rd1 $2 (30. Bh3 $18 Rh5 31. Bg4) 30... Bxe3 $1 $11 31. Qxe3 Rfxe5 32. Qxe5 Rxe5 33. fxe5 Qh5 34. Re1 ({But not} 34. Rxd5 $2 Bxd5 35. Bxd5+ Kf8 $19) 34... Qh4 $1 {[%cal Rh4e1]} 35. Rf1 Qe7 36. Rcf6 Be6 37. Rd1 {aiming for Rxe6!} Kg7 {The position is equal.} 38. Bxd5 Bxd5+ {[%mdl 64] [#] Discovered Attack} 39. Rxd5 Qb7 {[%mdl 64] Double Attack} 40. Rfd6 {Rd7+ would kill now.} Qxb2 41. e6 Qf2 {[%cal Rf2f1]} 42. Rd1 Qf3+ {Accuracy: White = 65%, Black = 72%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.06"]
[Round "1.25"]
[White "Potapov, Alexander"]
[Black "Schulz, Petra"]
[Result "1-0"]
[ECO "E71"]
[WhiteElo "2413"]
[BlackElo "2027"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,89,33,38,27,32,46,48,48,25,42,33,40,8,16,-98,-83,-98,-98,-88,-89,-72,-39,-34,-36,-39,-33,-32,-28,-29,0,0,0,-4,0,-22,0,0,0,-8,-4,-38,8,10,54,0,0,0,0,0,0,0,0,-44,0,-5,-15,-46,0,0,0,0,12,18,22,14,152,166,168,164,155,162,156,147,381,377,350,198,337,329]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 O-O 6. Bg5 c6 7. Bd3 e5 {E71: King's Indian: 4 e4 d6 5 h3.} 8. d5 a5 9. Nge2 Na6 {[%cal Bb8a6,Ba6c5,Bc5e6][%mdl 32] White is slightly better.} 10. Qd2 Bd7 11. O-O Nc5 12. Bc2 (12. Rfd1 {seems wilder.} Re8 13. b3 Qb8 14. dxc6 bxc6 15. Bc2) 12... cxd5 {[#]} 13. Nxd5 $146 (13. exd5 $11 Qb6 14. b3) ({Predecessor:} 13. exd5 Qc7 14. b3 Nh5 15. Bh6 Qd8 16. Bxg7 Kxg7 17. a3 b6 18. Rfe1 Rc8 19. Rab1 {1-0 (41) Abdusattorov,N (2598)-Bogner,S (2584) Biel 2019}) 13... Nfxe4 $17 {[%mdl 64] Double Attack} 14. Bxd8 Nxd2 15. Be7 Nxf1 16. Bxd6 Ne6 (16... Nd2 {feels hotter.} 17. Bxc5 Rfd8 18. b3 Bc6 19. Nec3 Bxd5 20. Nxd5 Rxd5 21. cxd5 Rc8) 17. Bxf8 Kxf8 18. Kxf1 Bc6 19. Nec3 Nd4 (19... f5 {keeps more tension.} 20. f3 Rb8 21. Rb1 Rd8 22. Rd1 Kf7) 20. Ba4 Bxa4 21. Nxa4 Rc8 22. c5 f5 23. Rd1 Kf7 24. Ndb6 Rc7 25. b3 Bf8 26. Nc4 Bxc5 27. Nxe5+ Ke6 {[#]} (27... Kf6 $5 {[%cal Rf6e5]} 28. Nc4 Ba7 $14) 28. Nxc5+ ({Better is} 28. Nxg6 $1 $14 {[%mdl 512]} hxg6 29. Nxc5+ Rxc5 30. Rxd4) 28... Kxe5 $14 {[%mdl 4096] Endgame KRN-KRN} 29. Nd3+ Kf6 30. Nf4 {And now Nd5+ would win.} Ke5 31. g3 Rc2 32. Nd3+ Kd5 33. Ne1 Rc3 34. h4 b5 (34... f4 $5) 35. Ng2 Ke5 36. Re1+ Kf6 37. Nf4 {Threatens to win with Nd5+.} Rc5 38. Rd1 Ne6 (38... Nf3 $11) 39. Rd6 $16 Re5 {[#]} 40. Nd5+ $1 Kg7 41. Rd7+ Kf8 42. Nf6 Nc5 $2 (42... h6 $16 {was called for.}) 43. Nxh7+ Ke8 44. Nf6+ Kf8 45. Rc7 {Accuracy: White = 83%, Black = 74%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.06"]
[Round "1.26"]
[White "Sommaro, Katja"]
[Black "Sergeyev, Alexander"]
[Result "0-1"]
[ECO "D94"]
[WhiteElo "2075"]
[BlackElo "2398"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,86,12,9,0,-2,-12,10,9,6,0,0,0,0,-13,0,-27,-6,-6,-11,-24,-17,-26,-23,-51,-52,-60,-55,-54,-18,-24,-24,-11,-14,-75,-62,-104,-104,-167,-160,-164,-164,-201,-209,-266,-257,-288,-270,-284,-255,-407,-341,-402,-401,-464,-403,-515,-500,-827,-825,-682,-737,-723,-820,-763,-720,-998,-992]} 1. c4 c6 2. Nf3 d5 3. e3 g6 4. Nc3 Bg7 5. d4 Nf6 6. Bd3 O-O 7. O-O Bg4 8. h3 Bxf3 9. Qxf3 e6 10. Rd1 Nbd7 {[%cal Bb8d7,Bd7f8,Bf8e6,Be6g5][%mdl 32]} 11. cxd5 exd5 12. b3 {D94: Grünfeld: 4 Nf3 Bg7 5 e3.} Re8 {[#]} 13. a4 $146 ({Predecessor:} 13. Bb2 Qe7 14. Rac1 Rad8 15. Na4 Ne4 16. Bxe4 dxe4 17. Qe2 Nf6 18. Rc5 Nd5 19. Ba3 Qg5 {½-½ (30) Ning,K (2078)-Gu,T (2194) Jiaxing 2017}) 13... Nf8 14. Ba3 {The position is equal.} Ne6 15. Rac1 Ng5 16. Qe2 a6 17. Qc2 Qd7 18. Bf1 Bh6 19. Re1 Nge4 20. Nxe4 (20. Nd1 {is more complex.} Bg5 21. Nb2 Qc7 22. Bb4 a5 23. Ba3) 20... Nxe4 21. Rcd1 Re6 22. Bc1 Bf8 23. Bd3 Bb4 24. Rf1 Rae8 25. Bxe4 Rxe4 26. Bd2 Bd6 27. f4 (27. b4 $11) 27... Qe7 28. Rf3 {White is now going downhill.} c5 29. Qd3 (29. dxc5 $17 Bxc5 30. Kh1) 29... cxd4 $19 {[%mdl 64] Remove Defender} 30. exd4 {[#]} Rxd4 $1 {[%mdl 512]} 31. Qxd4 Bc5 32. Be3 Bxd4 33. Rxd4 Qd7 34. f5 Re4 35. f6 {[#]} (35. Rd3 {was worth a try.}) 35... h6 $1 36. Rd3 (36. Bxh6 Rxd4) 36... g5 37. Bd4 Kh7 38. g4 Kg6 {Black is clearly winning.} 39. Rf5 (39. Bf2 $142) 39... Qe6 {aiming for ...Rxd4!} 40. Bf2 {[#]} d4 $1 41. Rff3 (41. Rxd4 Rxd4) 41... Qc6 42. Kg2 Qc2 43. Kg3 Re2 {Accuracy: White = 50%, Black = 93%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.06"]
[Round "1.27"]
[White "Goriatchkin, Jouri"]
[Black "Arnhold, Kerstin"]
[Result "1-0"]
[ECO "E06"]
[WhiteElo "2310"]
[BlackElo "1979"]
[Annotator "ChessBase"]
[PlyCount "66"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:23]} 3. g3 {[%emt 0:00:08]} Be7 {[%emt 0:00:53]} 4. Bg2 {[%emt 0:00:22]} d5 {[%emt 0:01:09]} 5. Nf3 {[%emt 0:00:39]} c6 {[%emt 0:00:57]} 6. O-O {[%emt 0:01:50]} O-O {[%emt 0:00:19]} 7. Nc3 {[%emt 0:01:54]} Nbd7 {[%emt 0:01:38]} 8. b3 {[%emt 0:02:00]} Rb8 {[%emt 0:06:01]} 9. Bf4 {[%emt 0:02:19]} Ra8 {[%emt 0:00:06]} 10. Qc2 {[%emt 0:05:06]} Nh5 {[%emt 0:04:25]} 11. Bc1 {[%emt 0:00:56]} f5 {[%emt 0:05:40]} 12. Bb2 {[%emt 0:01:18]} Ndf6 {[%emt 0:02:59]} 13. Rad1 {[%emt 0:04:16]} Ne4 {[%emt 0:07:29]} 14. Nxe4 {[%emt 0:02:05]} fxe4 {[%emt 0:00:23]} 15. Ne5 {[%emt 0:00:37]} Bd6 {[%emt 0:09:04]} 16. f3 {[%emt 0:07:46]} exf3 {[%emt 0:04:17]} 17. exf3 {[%emt 0:00:50]} Qg5 {[%emt 0:03:20]} 18. f4 {[%emt 0:01:44]} Qe7 {[%emt 0:00:55]} 19. Qe2 {[%emt 0:04:44]} Nf6 {[%emt 0:01:33]} 20. g4 {[%emt 0:02:28]} Nd7 {[%emt 0:05:15]} 21. Nd3 {[%emt 0:07:31]} Qf7 {[%emt 0:05:00]} 22. Rde1 Nb8 23. Ne5 {[%emt 0:04:53]} Qc7 {[%emt 0:08:17]} 24. g5 {[%emt 0:05:09]} Na6 {[%emt 0:04:52]} 25. Bh3 {[%emt 0:05:25]} Nb4 {[%emt 0:06:36]} 26. a3 {[%emt 0:08:20]} Bxe5 {[%emt 0:00:16]} 27. fxe5 {[%emt 0:00:28]} Na6 {[%emt 0:00:44]} 28. Rxf8+ {[%emt 0:00:30]} Kxf8 {[%emt 0:00:02]} 29. Qh5 {[%emt 0:13:50]} Qe7 {[%emt 0:00:21]} 30. Qxh7 {[%emt 0:03:10]} Qxg5+ {[%emt 0:00:08]} 31. Kh1 {[%emt 0:00:28]} Qh6 {[%emt 0:07:20]} 32. Rf1+ {[%emt 0:00:20]} Ke7 {[%emt 0:00:49]} 33. Qg8 {[%emt 0:00:30]} Nb8 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.06"]
[Round "1.28"]
[White "Leib, Britta"]
[Black "Tolstikh, Nikolay"]
[Result "0-1"]
[ECO "B73"]
[WhiteElo "1908"]
[BlackElo "2320"]
[Annotator "TA"]
[PlyCount "136"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,136,8,24,31,20,10,7,-27,-30,-90,0,-8,0,-16,0,0,0,0,6,0,0,0,1,0,0,0,0,0,0,-16,-21,-34,-8,-30,-28,-44,-41,-41,-41,-31,-35,-39,-21,-73,-59,-67,-27,-62,-8,-35,-5,-20,-9,-20,-8,-17,-12,-11,0,0,0,-41,-42,-79,-70,-72,-61,-72,-72,-72,-72,-86,-70,-75,-75,-86,-45,-46,-46,-86,-86,-86,-86,-86,-86,-86,-72,-116,-86,-86,-86,-86,-86,-86,0,-127,-127,-127,-127,-196,-61,-109,-17,-93,-61,-93,-80,-377,-369,-1110,-1050,-1326,-1302,-1216,-1183,-2481,-1446,-2974,-2731]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 Nc6 8. O-O O-O 9. h3 d5 10. exd5 Nb4 11. d6 {B73: Sicilian Dragon: Classical System without 9 Nb3.} Qxd6 12. Ndb5 Qb8 13. a3 {The position is equal.} Nc6 {[#] aiming for ...Rd8.} 14. Nd4 $146 {[#]} (14. Qe1 $11 {keeps the balance.}) ({Predecessor:} 14. Qc1 a6 15. Nd4 Nxd4 16. Bxd4 Ng4 17. Bxg4 Bxd4 18. Ne2 Ba7 19. Qg5 Bxg4 20. Qxg4 {0-1 (38) Ciocaltea,V-Beliavsky,A (2615) Luzern 1982}) 14... Bd7 (14... Nxd4 $1 $17 15. Qxd4 Ng4) 15. Nxc6 Bxc6 16. Bf3 Qc7 17. Qe2 a6 18. Rad1 Rfd8 19. Qc4 Rdc8 20. Bxc6 Qxc6 21. Qxc6 Rxc6 22. Rd2 Kf8 23. Rfd1 Ke8 24. Na4 Ne4 25. Rd5 Rd6 26. c3 Rad8 27. Nb6 Rxd5 28. Rxd5 Rxd5 29. Nxd5 $15 {[%mdl 4096] Endgame KBN-KBN} Kd7 30. Kf1 Nd6 31. Bc1 (31. Ke2 $11) 31... e6 32. Ne3 f5 33. f3 h5 (33... b5 $15) 34. Ke2 Kc6 35. Kd3 Bh6 36. a4 e5 37. b3 e4+ 38. Ke2 f4 39. Nc2 e3 40. Nd4+ Kd7 41. Kf1 h4 42. Ba3 Nf7 43. Ke1 Bg7 44. Ne2 g5 45. Kd1 Ke6 46. Kc2 Bf6 47. Kd3 Kd5 48. c4+ Ke6 49. Bc5 Ne5+ 50. Kc2 Nc6 51. Bb6 Nb4+ 52. Kd1 Kd6 53. Ba5 Nc6 54. Bb6 Bd8 55. Bd4 Ke6 56. Kc2 Bf6 (56... a5 $17) 57. Bxf6 (57. Bb6 $1 $11 {remains equal.}) 57... Kxf6 $11 {KN-KN} 58. Kc3 Ke5 59. b4 (59. Kd3 $17) 59... Ne7 ({Better is} 59... a5 $19 60. bxa5 Nxa5) 60. Kd3 Nf5 ({Black should try} 60... b6 $17) 61. Kc3 (61. c5 $11) 61... Kd6 62. Kd3 a5 63. c5+ $2 {[%mdl 8192] [#] White does not recover from this.} (63. bxa5 $17 {was forced.} Kc5 64. Nc3) 63... Kc6 $19 64. b5+ $2 (64. Kc4 axb4 65. Kxb4) 64... Kxc5 {Black is clearly winning.} 65. Nc3 Nd6 66. Na2 Nc4 67. Ke2 Kd4 68. Kd1 Nb2+ {[%mdl 64] Double Attack. Accuracy: White = 56%, Black = 71%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.06"]
[Round "1.29"]
[White "Goldinger, Peter"]
[Black "Priehoda, Vitezslav"]
[Result "1/2-1/2"]
[ECO "A41"]
[WhiteElo "2052"]
[BlackElo "2337"]
[Annotator "TA"]
[PlyCount "31"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,31,35,47,52,54,35,49,48,61,54,60,45,58,56,54,49,52,-39,-50,-51,0,-70,-10,-11]} 1. d4 d6 2. Bf4 Nd7 3. Nf3 g6 4. e4 Bg7 5. Bc4 Nb6 6. Bb3 {A41: 1 d4 d6: Tartakower System and Modern Defence.} Nf6 7. Nbd2 O-O 8. O-O {[#] White is slightly better.} c5 $146 {Threatening ...cxd4.} ({Predecessor:} 8... c6 9. c3 d5 10. exd5 cxd5 11. h3 Bf5 12. Re1 Rc8 13. Ne5 Ne4 14. Nxe4 Bxe4 {0-1 (42) Forbes,C (2075)-Beveridge,N (2050) West Bromwich 2006}) 9. c3 cxd4 10. cxd4 h6 11. Qe2 g5 12. e5 Nfd5 13. Bxg5 ({White should try} 13. Bg3 $14) 13... hxg5 $15 14. Nxg5 {[#] Strongly threatening Qe4.} Bf5 (14... dxe5 $15 15. Qd3 {[#]} e4 $1 {[%mdl 512]} 16. Qxe4 Nf6) 15. e6 (15. g4 $11 e6 16. h4) 15... fxe6 (15... f6 $15 16. Nf7 Qc8) 16. Nxe6 {Accuracy: White = 65%, Black = 71%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.06"]
[Round "1.30"]
[White "Vokac, Marek"]
[Black "Klaiss, Thomas"]
[Result "1-0"]
[ECO "A20"]
[WhiteElo "2348"]
[BlackElo "1991"]
[Annotator "ChessBase"]
[PlyCount "85"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. c4 e5 2. g3 Nf6 3. Bg2 Nc6 4. Nc3 Bb4 5. Nd5 O-O 6. e3 Re8 7. Ne2 a6 8. O-O Bf8 9. d3 Rb8 10. b3 d6 11. Bb2 Nd7 12. f4 Ne7 13. f5 Nxd5 14. cxd5 c6 15. Nc3 cxd5 16. Nxd5 Nf6 17. Rc1 Nxd5 18. Bxd5 Qa5 19. e4 Be7 20. Qh5 Rf8 21. Rc2 Bd7 22. g4 Bc6 23. Bxc6 bxc6 24. g5 f6 25. g6 h6 26. Bc1 Rb7 27. Rxc6 Rd8 28. Qe2 d5 29. Qc2 Rbd7 30. Be3 Rb8 31. Rc1 Ba3 32. Rc8+ Rd8 33. Rxb8 Rxb8 34. Qc7 Qxc7 35. Rxc7 d4 36. Bd2 Ra8 37. Ba5 Bd6 38. Rc6 Be7 39. Kf1 Kf8 40. Ke2 Ke8 41. Kd1 Ra7 42. Rc8+ Kd7 43. Rg8 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.06"]
[Round "1.31"]
[White "Mueller, Thomas"]
[Black "Polasek, Jaroslav"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "2025"]
[BlackElo "2365"]
[Annotator "ChessBase"]
[PlyCount "48"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 2. e4 {[%emt 0:00:10]} d5 {[%emt 0:00:00]} 3. exd5 {[%emt 0:00:09]} exd5 {[%emt 0:00:00]} 4. Bd3 {[%emt 0:00:10]} Bd6 {[%emt 0:00:16]} 5. Nc3 {[%emt 0:00:37]} c6 {[%emt 0:01:05]} 6. Nge2 {[%emt 0:01:13]} Qf6 {[%emt 0:05:33]} 7. Be3 {[%emt 0:06:56]} Ne7 {[%emt 0:11:33]} 8. Qd2 {[%emt 0:12:05]} Bf5 {[%emt 0:00:17]} 9. Bg5 {[%emt 0:06:59]} Qg6 {[%emt 0:02:52]} 10. Bxe7 {[%emt 0:04:54]} Kxe7 {[%emt 0:04:22]} 11. Bxf5 {[%emt 0:04:52]} Qxf5 {[%emt 0:00:05]} 12. O-O {[%emt 0:01:49]} Kd7 {[%emt 0:03:46]} 13. Ng3 {[%emt 0:05:08]} Qg6 {[%emt 0:01:22]} 14. Nce2 {[%emt 0:03:05]} h5 {[%emt 0:05:17]} 15. h4 {[%emt 0:08:51]} Na6 {[%emt 0:08:50]} 16. Rfe1 {[%emt 0:09:26]} Rae8 {[%emt 0:05:38]} 17. Qg5 {[%emt 0:09:28]} Qxg5 {[%emt 0:01:43]} 18. hxg5 {[%emt 0:00:01]} Nb4 {[%emt 0:00:07]} 19. Rac1 {[%emt 0:01:36]} Nxa2 {[%emt 0:01:47]} 20. Ra1 {[%emt 0:06:39]} Nb4 {[%emt 0:00:10]} 21. Rxa7 {[%emt 0:01:15]} Kc7 {[%emt 0:01:03]} 22. Kf1 {[%emt 0:02:01]} Bxg3 {[%emt 0:03:58]} 23. Nxg3 {[%emt 0:03:05]} Rxe1+ {[%emt 0:00:04]} 24. Kxe1 {[%emt 0:00:02]} Nxc2+ {[%emt 0:00:06]} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.06"]
[Round "1.32"]
[White "Vrbata, Zbynek"]
[Black "Dieterle-Bard, Bernhard"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2350"]
[BlackElo "1865"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,61,33,28,34,25,31,19,47,36,84,71,73,71,85,96,132,99,94,35,87,-3,126,106,129,125,121,58,87,56,414,437,417,387,349,0,29990,290,29991,29992,29990,1653,29996,29997,29997,-912]} 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Be7 6. e3 O-O 7. Bd3 c6 8. Qc2 h6 9. Bh4 Be6 10. Nge2 Nh5 {D36: Queen's Gambit Declined: Exchange Variation: Main line (5 Bg5 c6 6 Qc2).} 11. Bxe7 Qxe7 12. h3 f5 {The position is equal.} 13. O-O-O Nd7 14. Rdg1 f4 15. g4 fxe3 16. fxe3 Nhf6 17. g5 hxg5 18. h4 (18. Rxg5 $16 {Threatens to win with Nf4.} Ne4 19. Nxe4 dxe4 20. Bc4 Qxg5 21. Bxe6+ Kh8 22. Bxd7 Qxe3+ 23. Qd2) 18... g4 $14 19. Ng3 (19. h5 $1 $16) 19... Bf7 (19... Rae8 $11 {remains equal.}) 20. Nf5 $36 {[%mdl 2048] White is in control.} Qe6 21. h5 $1 Ne4 22. Nxe4 ({Better is} 22. Bxe4 $16 dxe4 23. Qxe4 Qxe4 24. Nxe4) 22... dxe4 $14 ({But not} 22... Qxf5 $2 23. Nc5 $18) 23. Bxe4 Qxa2 $2 {[%mdl 8192]} ({Black should play} 23... Nf6 $14 24. Bd3 Rae8) 24. Rxg4 $18 Qa1+ 25. Kd2 (25. Qb1 Qxb1+ 26. Bxb1 Be6 $18) 25... Qa5+ 26. Kc1 $2 ({Not} 26. Qc3 Qxc3+ 27. bxc3 Be6 $18) (26. Kd1 $18 Be6 27. Rg5 (27. Rxg7+ Kh8 $16)) 26... Nf6 $2 {[%mdl 8192]} (26... Qa1+ $11 27. Qb1 Qxb1+ 28. Bxb1 Kh8 29. Rxg7 Be6) 27. Rxg7+ Kh8 28. Qg2 {[#]} Rg8 $146 ({Predecessor:} 28... Nxe4 29. Rh7+ {1-0 (29) Vrbata,Z (2350)-Dieterle Bard,B (1865) Prague 2020}) 29. h6 (29. Qg5 $142 Qd2+ 30. Kb1 Qe1+ 31. Rxe1 Ng4 32. h6 Raf8 33. h7 Re8 34. hxg8=Q+ Bxg8 35. Rh7+ $1 {[%mdl 576] Clearance} Bxh7 36. Qg7#) 29... Nxe4 {[#]} 30. Rxg8+ $1 {[%mdl 64] Back Rank} Rxg8 {[#]} 31. Qg7+ $1 {[%mdl 33344] Back Rank. Accuracy: White = 61%, Black = 53%. . Loss on time!?} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.06"]
[Round "1.33"]
[White "Fritsche, Lutz"]
[Black "Schlag, Andreas"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "2321"]
[BlackElo "2057"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,80,0,3,-23,-13,-17,-13,-18,-15,-26,-1,0,6,-9,14,16,17,18,18,0,101,99,31,-11,139,145,209,204,229,222,437,427,400,328,316,315,324,325,323,317,317,308,298,238,247,0,279,119,203,0,0,0,293,15,14,0,297,289,372,-645,-451,-498,-153,-1223,-377,-787,-821,-973,-966,-901,-915,-1018,-982]} 1. f4 d5 2. Nf3 Nf6 3. e3 b6 4. b3 e6 5. Bb2 Be7 6. Be2 {A03: Bird's Opening with 1...d5.} O-O 7. O-O Bb7 8. Qe1 {The position is equal.} c5 9. d3 Nbd7 10. Nbd2 b5 11. Ne5 {[#]} Qa5 $146 ({Predecessor:} 11... Nxe5 12. fxe5 Nd7 13. Qg3 Qc7 14. Nf3 c4 15. bxc4 bxc4 16. dxc4 dxc4 17. Bd4 Nb6 {½-½ (30) Nothnagel,M-Kappeler,R Germany 1993}) 12. a4 b4 13. Qg3 Qc7 14. Ndf3 g6 (14... a5 $11) 15. Qh3 {aiming for Ng5.} d4 ({Black should try} 15... Nxe5 $16 16. Bxe5 Qd8) 16. exd4 Bxf3 ({Better is} 16... cxd4 $11 17. Nc4 (17. Bxd4 Nxe5 18. Bxe5 Qc5+ 19. Rf2 Rac8 $14) 17... Nd5) 17. Bxf3 $16 {Hoping for Rae1.} ({Don't play} 17. Nxf3 $6 Bd6 $14) 17... Rac8 (17... Rae8 $16) 18. d5 $1 $18 {[%cal Rd5e6]} exd5 19. Rae1 $1 {Black must now prevent Nxd7.} Nb8 $2 (19... c4 {was worth a try.} 20. dxc4 (20. Nxd7 Nxd7 21. Bxd5 c3 $16) 20... Nxe5) 20. f5 {And now fxg6 would win.} d4 21. Bc1 {Strongly threatening fxg6.} Bd6 22. Nc4 Nbd7 23. Qh4 Rce8 24. Rxe8 Rxe8 25. Bg5 Kg7 26. Qh6+ Kh8 27. Qh4 Kg7 $1 28. fxg6 (28. g4 $18 {and White stays clearly on top.}) 28... fxg6 (28... hxg6 $16 {was called for.} 29. Bh6+ (29. Nxd6 Qxd6 30. h3 Qe6 $14) 29... Kg8) 29. Be4 $2 (29. Bh6+ $18 Kh8 30. g3) 29... Nxe4 $11 30. dxe4 h5 $2 {[%mdl 8192]} (30... Kg8 $11 {and Black stays safe.}) 31. Bf6+ $2 ({White has to play} 31. g4 $1 $18) 31... Kh7 32. Bg5 $2 {[%mdl 8192]} (32. a5 $11) 32... Kg7 $18 {[#]} 33. g4 $1 Rxe4 34. Bf6+ $4 {[%mdl 8192]} (34. Nxd6 $18 Qxd6 {[#]} 35. Bh6+ $1 {[%mdl 576] Decoy} Kxh6 36. g5+ {[%mdl 64] Discovered Attack} Kg7 37. Qxe4) 34... Kh7 35. h3 Bf4 $2 (35... Re2 $19 {is more deadly.} 36. Rf5 Nxf6 37. Qxf6 gxf5 38. Nxd6 Qe7 39. Qxf5+ Kg7) 36. Kg2 $2 {Loses the game.} (36. Bd8 $17 Qc6 37. Re1) 36... Bh6 $2 (36... Qc6 {( -> ...Re2+!)} 37. Kg1 Re2) 37. Qf2 $2 (37. Bg5 Re2+ 38. Rf2 Rxf2+ {[%mdl 64] Overworked Piece} 39. Kxf2 Qh2+ 40. Kf1) 37... Rf4 $19 {[%mdl 64] Double Attack. Black is clearly winning.} 38. Qe2 Nxf6 39. Rxf4 Qxf4 40. Qe7+ Bg7 {Accuracy: White = 50%, Black = 51%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.06"]
[Round "1.34"]
[White "Mikolajewski, Armin"]
[Black "Schulz, Klaus-Juergen"]
[Result "0-1"]
[ECO "D24"]
[WhiteElo "1993"]
[BlackElo "2331"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,52,17,29,26,22,23,64,39,38,0,40,-27,-18,-36,-34,-32,-48,-38,-35,-49,-23,-70,-83,-115,-104,-125,-126,-147,-122,-183,-65,-72,-79,-571,-213,-2762,-2748,-2641,-2581]} 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. Nc3 a6 5. e3 e6 6. Bxc4 c5 7. Bd3 Nc6 8. O-O Qc7 9. Ne4 {D27: Queen's Gambit Accepted: Classical main line: 7 e4!? and 7 a4.} cxd4 10. exd4 Nb4 11. Bb1 {[#] White is slightly better.} Bd7 $146 ({Predecessor:} 11... Be7 12. Bg5 Nbd5 13. Nxf6+ Bxf6 14. Bxf6 Nxf6 15. Bd3 O-O 16. Rc1 Qb6 17. Qe2 Rd8 {½-½ (53) Bemporad,F (2055)-Gagliardi,C (2206) Milan 2013}) 12. a3 Nbd5 (12... Nxe4 {is interesting.} 13. Bxe4 Bc6 14. Bb1 Nd5 15. Ne5 Bd6) 13. Nxf6+ (13. Ne5 $14) 13... gxf6 $11 14. Re1 Bc6 15. Be4 O-O-O 16. Bd2 Kb8 17. Rc1 Qb6 18. Qc2 Bd6 19. b4 h5 20. Rb1 f5 21. Bd3 Rdg8 22. Kh1 (22. Bf1 $17) 22... Nf4 (22... Rg7 $19 23. Rg1 Rhg8) 23. Bxf4 $1 $15 Bxf4 24. Qc5 $2 {[%mdl 8192] [#]} (24. Qe2 $17 {is more resistant.}) 24... Qd8 $2 (24... Bxf3 $1 {[%mdl 512]} 25. gxf3 (25. Qxb6 {leads to mate.} Rxg2 {[%mdl 64] Double Attack} 26. Qxb7+ Kxb7 27. Bxa6+ Kb8 28. Rb3 Rxh2+ 29. Kg1 Rh1#) 25... Qd8) 25. b5 $2 (25. Be2) 25... Bxf3 $19 26. gxf3 {[#]} Qh4 $1 {[%mdl 576] Double Attack. Accuracy: White = 38%, Black = 58%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.06"]
[Round "1.35"]
[White "Wolf, Volker"]
[Black "Baerthel, Klaus"]
[Result "1-0"]
[ECO "A38"]
[WhiteElo "2278"]
[BlackElo "1875"]
[Annotator "ChessBase"]
[PlyCount "61"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:16]} 2. g3 {[%emt 0:00:13]} c5 {[%emt 0:01:51]} 3. Bg2 {[%emt 0:00:18]} Nc6 {[%emt 0:01:00]} 4. c4 {[%emt 0:01:11]} g6 {[%emt 0:01:56]} 5. O-O {[%emt 0:01:48]} Bg7 {[%emt 0:00:09]} 6. Nc3 {[%emt 0:02:11]} O-O {[%emt 0:00:24]} 7. d3 {[%emt 0:01:58]} d6 {[%emt 0:06:38]} 8. Bg5 {[%emt 0:03:53]} Rb8 {[%emt 0:11:25]} 9. Qd2 {[%emt 0:01:47]} a6 {[%emt 0:01:11]} 10. Bh6 {[%emt 0:01:48]} Nd4 {[%emt 0:10:11]} 11. Bxg7 {[%emt 0:09:38]} Nxf3+ {[%emt 0:01:34]} 12. Bxf3 {[%emt 0:00:45]} Kxg7 {[%emt 0:00:12]} 13. a3 {[%emt 0:01:05]} Bd7 {[%emt 0:05:53]} 14. b4 {[%emt 0:01:15]} b6 {[%emt 0:01:54]} 15. Rfb1 {[%emt 0:01:32]} Qc7 {[%emt 0:04:02]} 16. Ra2 {[%emt 0:04:37]} Rfc8 {[%emt 0:09:01]} 17. Rab2 {[%emt 0:07:23]} e6 {[%emt 0:08:42]} 18. Rb3 {[%emt 0:03:22]} d5 {[%emt 0:22:20]} 19. cxd5 {[%emt 0:10:31]} c4 {[%emt 0:01:19]} 20. dxc4 {[%emt 0:01:38]} Qxc4 {[%emt 0:00:27]} 21. e3 {[%emt 0:03:49]} exd5 {[%emt 0:04:11]} 22. Be2 {[%emt 0:04:12]} Qc6 {[%emt 0:04:06]} 23. b5 {[%emt 0:07:56]} Qe6 {[%emt 0:01:29]} 24. bxa6 {[%emt 0:01:16]} Bc6 {[%emt 0:00:45]} 25. Qd4 {[%emt 0:00:15]} Kg8 {[%emt 0:00:18]} 26. Rxb6 {[%emt 0:01:27]} Ra8 {[%emt 0:00:19]} 27. Bb5 {[%emt 0:06:13]} Nd7 {[%emt 0:00:40]} 28. Rxc6 {[%emt 0:00:22]} Rxc6 {[%emt 0:00:07]} 29. Bxc6 {[%emt 0:00:06]} Qxc6 {[%emt 0:00:31]} 30. Nxd5 {[%emt 0:00:13]} Qd6 {[%emt 0:01:26]} 31. Nb6 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.06"]
[Round "1.36"]
[White "Wendling, Jens"]
[Black "Polster, Wolfgang"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "1908"]
[BlackElo "2201"]
[Annotator "ChessBase"]
[PlyCount "64"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 2. Qe2 {[%emt 0:00:00]} c5 {[%emt 0:01:23]} 3. g3 {[%emt 0:00:13]} Nc6 {[%emt 0:01:04]} 4. c3 {[%emt 0:00:29]} g6 {[%emt 0:05:16]} 5. Nf3 {[%emt 0:02:20]} Bg7 {[%emt 0:00:30]} 6. Bg2 {[%emt 0:00:50]} d6 {[%emt 0:01:05]} 7. O-O {[%emt 0:01:44]} Nge7 {[%emt 0:00:20]} 8. Na3 {[%emt 0:01:37]} O-O {[%emt 0:00:44]} 9. Re1 {[%emt 0:01:34]} a6 {[%emt 0:02:18]} 10. Nc2 {[%emt 0:02:27]} Qc7 {[%emt 0:05:04]} 11. d4 {[%emt 0:02:36]} cxd4 {[%emt 0:03:07]} 12. cxd4 {[%emt 0:01:17]} Bd7 {[%emt 0:01:06]} 13. Bf4 {[%emt 0:05:05]} Rac8 {[%emt 0:09:37]} 14. Rac1 {[%emt 0:03:48]} Qb8 {[%emt 0:03:43]} 15. Red1 {[%emt 0:03:48]} Rfd8 {[%emt 0:06:13]} 16. Nce1 {[%emt 0:09:03]} Na7 {[%emt 0:29:33]} 17. d5 {[%emt 0:19:01]} Rxc1 {[%emt 0:03:01]} 18. Bxc1 {[%emt 0:04:54]} exd5 {[%emt 0:01:14]} 19. exd5 {[%emt 0:01:47]} Re8 {[%emt 0:00:25]} 20. Qd2 {[%emt 0:02:47]} Qc7 {[%emt 0:06:03]} 21. Nc2 {[%emt 0:05:18]} Nac8 {[%emt 0:03:30]} 22. Ne3 {[%emt 0:01:09]} Nf5 {[%emt 0:01:01]} 23. Qb4 {[%emt 0:02:00]} a5 {[%emt 0:01:53]} 24. Qb3 {[%emt 0:04:47]} Nb6 {[%emt 0:02:25]} 25. Re1 {[%emt 0:04:46]} Nd4 {[%emt 0:02:45]} 26. Qd1 {[%emt 0:01:11]} Qc5 {[%emt 0:01:04]} 27. b3 {[%emt 0:00:46]} Nb5 {[%emt 0:01:51]} 28. a4 {[%emt 0:06:56]} Nc3 {[%emt 0:02:28]} 29. Qd3 {[%emt 0:01:38]} Ncxd5 {[%emt 0:01:10]} 30. Rd1 {[%emt 0:01:19]} Bc6 {[%emt 0:01:07]} 31. Ba3 {[%emt 0:06:47]} Qxa3 {[%emt 0:00:23]} 32. Nxd5 {[%emt 0:00:09]} Nxd5 {[%emt 0:00:38]} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.06"]
[Round "1.37"]
[White "Korenek, Frantisek"]
[Black "Pekarek, Ales"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "1952"]
[BlackElo "2274"]
[Annotator "ChessBase"]
[PlyCount "108"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} d6 {[%emt 0:02:11]} 2. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:04]} 3. Nc3 {[%emt 0:00:00]} g6 {[%emt 0:00:04]} 4. Nf3 {[%emt 0:00:26]} Bg7 {[%emt 0:00:10]} 5. Be2 {[%emt 0:00:10]} O-O {[%emt 0:00:27]} 6. O-O {[%emt 0:00:09]} a6 {[%emt 0:02:58]} 7. a4 {[%emt 0:00:29]} Nc6 {[%emt 0:01:25]} 8. h3 {[%emt 0:01:38]} e5 {[%emt 0:04:32]} 9. d5 {[%emt 0:00:13]} Ne7 {[%emt 0:00:20]} 10. Be3 {[%emt 0:00:25]} Kh8 {[%emt 0:02:57]} 11. Ne1 {[%emt 0:07:12]} Nd7 {[%emt 0:03:19]} 12. f4 {[%emt 0:02:40]} f5 {[%emt 0:02:33]} 13. fxe5 {[%emt 0:02:12]} Nxe5 {[%emt 0:00:47]} 14. Nf3 {[%emt 0:04:32]} f4 {[%emt 0:04:34]} 15. Nxe5 {[%emt 0:03:30]} Bxe5 {[%emt 0:02:23]} 16. Bd4 {[%emt 0:00:09]} Ng8 {[%emt 0:00:31]} 17. Bxe5+ {[%emt 0:00:54]} dxe5 {[%emt 0:00:03]} 18. Bg4 {[%emt 0:00:33]} Bxg4 {[%emt 0:01:01]} 19. Qxg4 {[%emt 0:00:41]} Qd6 {[%emt 0:02:33]} 20. Kh2 {[%emt 0:02:34]} Nf6 {[%emt 0:03:32]} 21. Qf3 {[%emt 0:00:24]} g5 {[%emt 0:01:51]} 22. g4 {[%emt 0:03:07]} Rg8 {[%emt 0:02:17]} 23. Rg1 {[%emt 0:04:56]} Qc5 {[%emt 0:01:28]} 24. Rg2 {[%emt 0:00:28]} b5 {[%emt 0:01:12]} 25. Qd3 {[%emt 0:05:01]} b4 {[%emt 0:02:27]} 26. Nd1 {[%emt 0:01:52]} Rgd8 {[%emt 0:09:07]} 27. c4 {[%emt 0:02:14]} bxc3 {[%emt 0:05:18]} 28. Nxc3 {[%emt 0:04:11]} Qd4 {[%emt 0:02:26]} 29. Rd1 {[%emt 0:00:37]} Qxd3 {[%emt 0:00:18]} 30. Rxd3 {[%emt 0:00:06]} Rab8 {[%emt 0:00:15]} 31. Re2 {[%emt 0:02:19]} Rb4 {[%emt 0:03:14]} 32. Kg2 {[%emt 0:00:18]} Ne8 {[%emt 0:02:48]} 33. Kf3 {[%emt 0:01:20]} Rdb8 {[%emt 0:00:56]} 34. d6 {[%emt 0:03:39]} cxd6 {[%emt 0:05:00]} 35. Nd5 {[%emt 0:00:37]} Rb3 {[%emt 0:09:25]} 36. Rc3 {[%emt 0:00:08]} Ng7 {[%emt 0:02:08]} 37. Nc7 {[%emt 0:04:14]} Rxb2 {[%emt 0:01:55]} 38. Nxa6 {[%emt 0:00:29]} Ne6 {[%emt 0:02:40]} 39. Nxb8 {[%emt 0:05:27]} Nd4+ {[%emt 0:00:53]} 40. Kf2 {[%emt 0:00:00]} Rxe2+ {[%emt 0:00:00]} 41. Kf1 {[%emt 0:00:18]} Ra2 {[%emt 0:06:48]} 42. Nd7 {[%emt 0:03:06]} Rxa4 {[%emt 0:02:09]} 43. Nf6 {[%emt 0:00:13]} Kg7 {[%emt 0:09:46]} 44. Ne8+ {[%emt 0:00:08]} Kg6 {[%emt 0:03:33]} 45. Nxd6 {[%emt 0:00:07]} h5 {[%emt 0:00:34]} 46. Nf5 {[%emt 0:01:40]} hxg4 {[%emt 0:01:06]} 47. hxg4 {[%emt 0:00:12]} Kf6 {[%emt 0:01:25]} 48. Rh3 {[%emt 0:02:40]} Nxf5 {[%emt 0:05:38]} 49. exf5 {[%emt 0:00:06]} e4 {[%emt 0:00:12]} 50. Rb3 {[%emt 0:00:46]} Ra1+ {[%emt 0:00:53]} 51. Kf2 {[%emt 0:00:20]} Ra2+ {[%emt 0:00:23]} 52. Kf1 {[%emt 0:00:33]} f3 {[%emt 0:00:26]} 53. Re3 {[%emt 0:02:03]} Ke5 {[%emt 0:00:20]} 54. f6 {[%emt 0:00:49]} Kf4 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.06"]
[Round "1.38"]
[White "Pastircak, Milan"]
[Black "Hejda, Antonin"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2277"]
[BlackElo "1907"]
[Annotator "ChessBase"]
[PlyCount "51"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 3. Bf4 {[%emt 0:00:02]} Bg4 {[%emt 0:00:59]} 4. Ne5 {[%emt 0:00:42]} Bh5 {[%emt 0:00:24]} 5. c4 {[%emt 0:00:40]} Nbd7 {[%emt 0:00:48]} 6. Nc3 {[%emt 0:04:57]} c6 {[%emt 0:07:58]} 7. Qb3 {[%emt 0:03:29]} Qb6 {[%emt 0:01:03]} 8. Nxd7 {[%emt 0:07:43]} Nxd7 {[%emt 0:00:50]} 9. cxd5 {[%emt 0:04:39]} Qxb3 {[%emt 0:07:04]} 10. axb3 {[%emt 0:00:02]} Nb6 {[%emt 0:00:34]} 11. dxc6 {[%emt 0:05:07]} bxc6 {[%emt 0:00:08]} 12. e4 {[%emt 0:00:23]} e6 {[%emt 0:03:19]} 13. Ba6 {[%emt 0:08:49]} Rd8 {[%emt 0:02:33]} 14. Bb7 {[%emt 0:02:52]} Rxd4 {[%emt 0:01:03]} 15. Bxc6+ {[%emt 0:00:34]} Nd7 {[%emt 0:00:33]} 16. Rxa7 {[%emt 0:07:47]} Bb4 {[%emt 0:00:35]} 17. O-O {[%emt 0:00:26]} Ke7 {[%emt 0:01:47]} 18. Nb5 {[%emt 0:10:01]} Rd3 {[%emt 0:01:22]} 19. Bd6+ {[%emt 0:02:33]} Rxd6 {[%emt 0:09:58]} 20. Nxd6 {[%emt 0:00:02]} Kxd6 {[%emt 0:00:02]} 21. Bxd7 {[%emt 0:00:12]} Ke5 {[%emt 0:00:19]} 22. Rb7 {[%emt 0:05:15]} Bc5 {[%emt 0:01:30]} 23. Rc1 {[%emt 0:03:54]} Bd4 {[%emt 0:04:13]} 24. Rb5+ {[%emt 0:00:28]} Kd6 {[%emt 0:00:09]} 25. Rxh5 {[%emt 0:00:08]} Kxd7 {[%emt 0:00:20]} 26. Rd1 {[%emt 0:00:12]} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.06"]
[Round "1.39"]
[White "Musil, Martin"]
[Black "Mudrak, Josef"]
[Result "0-1"]
[ECO "B34"]
[WhiteElo "1937"]
[BlackElo "2213"]
[Annotator "ChessBase"]
[PlyCount "52"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:15]} 3. d4 {[%emt 0:00:00]} cxd4 {[%emt 0:00:18]} 4. Nxd4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:24]} 5. Nc3 {[%emt 0:00:09]} e5 {[%emt 0:00:20]} 6. Nb3 {[%emt 0:01:40]} Bb4 {[%emt 0:00:34]} 7. Bd3 {[%emt 0:11:12]} d5 {[%emt 0:03:24]} 8. exd5 {[%emt 0:01:25]} Nxd5 {[%emt 0:01:04]} 9. Bd2 {[%emt 0:00:38]} Nxc3 {[%emt 0:01:16]} 10. bxc3 {[%emt 0:00:09]} Be7 {[%emt 0:00:36]} 11. O-O {[%emt 0:00:19]} O-O {[%emt 0:00:31]} 12. Re1 {[%emt 0:03:40]} f5 {[%emt 0:04:31]} 13. Qh5 {[%emt 0:07:59]} Be6 {[%emt 0:04:12]} 14. Rad1 {[%emt 0:01:11]} Qc7 {[%emt 0:07:26]} 15. Qe2 {[%emt 0:16:50]} Bd6 {[%emt 0:10:15]} 16. h3 {[%emt 0:03:21]} Rae8 {[%emt 0:09:38]} 17. Bc4 {[%emt 0:01:41]} Kh8 {[%emt 0:08:38]} 18. Bxe6 {[%emt 0:07:14]} Rxe6 {[%emt 0:00:17]} 19. Qd3 {[%emt 0:00:17]} Rg6 {[%emt 0:01:16]} 20. c4 {[%emt 0:05:15]} e4 {[%emt 0:01:26]} 21. Qe3 {[%emt 0:13:39]} b6 {[%emt 0:05:29]} 22. Bc3 {[%emt 0:03:52]} Be5 {[%emt 0:06:24]} 23. Rd5 {[%emt 0:04:46]} f4 {[%emt 0:03:11]} 24. Qd2 {[%emt 0:01:57]} e3 {[%emt 0:00:45]} 25. fxe3 {[%emt 0:04:39]} Bxc3 {[%emt 0:03:38]} 26. Qxc3 {[%emt 0:00:27]} f3 {[%emt 0:00:14]} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.06"]
[Round "1.40"]
[White "Vrana, Frantisek"]
[Black "Postupa, Pavel"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2231"]
[BlackElo "2217"]
[Annotator "ChessBase"]
[PlyCount "98"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:05]} 3. Bb5 {[%emt 0:01:12]} Nf6 {[%emt 0:00:25]} 4. O-O {[%emt 0:03:12]} Nxe4 {[%emt 0:00:41]} 5. Re1 {[%emt 0:00:35]} Nd6 {[%emt 0:00:13]} 6. Nxe5 {[%emt 0:00:21]} Nxe5 {[%emt 0:01:38]} 7. Rxe5+ {[%emt 0:00:12]} Be7 {[%emt 0:00:01]} 8. Bf1 {[%emt 0:02:16]} O-O {[%emt 0:00:31]} 9. Nc3 {[%emt 0:01:43]} Bf6 {[%emt 0:01:11]} 10. Re1 {[%emt 0:01:48]} c6 {[%emt 0:00:58]} 11. d4 {[%emt 0:01:39]} Re8 {[%emt 0:02:15]} 12. Bf4 {[%emt 0:07:09]} Rxe1 {[%emt 0:14:51]} 13. Qxe1 {[%emt 0:00:05]} Ne8 {[%emt 0:00:16]} 14. d5 {[%emt 0:04:25]} d6 {[%emt 0:02:25]} 15. dxc6 {[%emt 0:03:29]} bxc6 {[%emt 0:00:08]} 16. Bd3 {[%emt 0:00:31]} g6 {[%emt 0:05:39]} 17. Rd1 {[%emt 0:04:19]} Be6 {[%emt 0:09:24]} 18. Be4 {[%emt 0:05:10]} d5 {[%emt 0:04:37]} 19. Na4 {[%emt 0:02:28]} Ng7 {[%emt 0:06:40]} 20. b3 {[%emt 0:08:10]} Qe7 {[%emt 0:08:15]} 21. Bf3 {[%emt 0:02:27]} Nf5 {[%emt 0:01:37]} 22. Be3 {[%emt 0:10:29]} Nxe3 {[%emt 0:02:18]} 23. Qxe3 {[%emt 0:00:15]} Bf5 {[%emt 0:01:40]} 24. Qd2 {[%emt 0:02:21]} Rd8 {[%emt 0:04:55]} 25. b4 {[%emt 0:03:32]} Bg5 {[%emt 0:04:37]} 26. Qc3 {[%emt 0:00:44]} d4 {[%emt 0:01:04]} 27. Qc4 {[%emt 0:05:54]} Be6 {[%emt 0:01:12]} 28. Qc5 {[%emt 0:01:06]} Qxc5 {[%emt 0:08:00]} 29. Nxc5 {[%emt 0:00:47]} Bf5 {[%emt 0:00:32]} 30. Be4 {[%emt 0:03:29]} Bxe4 {[%emt 0:01:08]} 31. Nxe4 {[%emt 0:00:03]} Be7 {[%emt 0:00:09]} 32. a3 {[%emt 0:13:12]} f5 {[%emt 0:03:12]} 33. Ng3 {[%emt 0:00:50]} a5 {[%emt 0:02:03]} 34. Ne2 {[%emt 0:01:38]} axb4 {[%emt 0:02:12]} 35. axb4 {[%emt 0:00:03]} Bf6 {[%emt 0:02:14]} 36. Kf1 {[%emt 0:05:13]} Rd5 {[%emt 0:01:47]} 37. Ke1 {[%emt 0:02:16]} Be7 {[%emt 0:01:02]} 38. Rxd4 {[%emt 0:00:32]} Rxd4 {[%emt 0:00:12]} 39. Nxd4 {[%emt 0:00:02]} Bxb4+ {[%emt 0:00:01]} 40. Ke2 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 41. Nc6 {[%emt 0:00:36]} Bc3 {[%emt 0:01:43]} 42. Kd3 {[%emt 0:00:15]} Be1 {[%emt 0:00:02]} 43. f3 {[%emt 0:00:29]} h5 {[%emt 0:00:50]} 44. Kc4 {[%emt 0:00:24]} Bf2 {[%emt 0:00:01]} 45. Ne5 {[%emt 0:00:54]} Kg7 {[%emt 0:00:09]} 46. Nd3 {[%emt 0:00:04]} Bg1 {[%emt 0:00:15]} 47. h3 {[%emt 0:00:09]} Kf6 {[%emt 0:01:01]} 48. Nxc5 {[%emt 0:05:08]} Kg5 49. Ne6+ Kh4 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.06"]
[Round "1.41"]
[White "Sokolin, Leonid"]
[Black "Ungure, Liga"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2496"]
[BlackElo "1923"]
[Annotator "TA"]
[PlyCount "131"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,131,0,0,0,6,0,12,6,25,6,75,75,67,72,84,58,50,27,27,31,36,30,33,23,27,0,0,0,0,0,-1,0,20,25,33,27,46,43,64,64,67,71,66,50,45,49,65,15,15,17,14,15,33,31,25,14,28,24,52,0,0,-38,0,0,0,0,8,6,23,23,30,25,28,23,23,20,14,8,21,10,20,8,15,10,9,12,42,8,28,28,23,0,4,3,48,23,75,51,50,12,15,8,8,0,0,0,8,18,51,74,202,197,201,198,204,60,305,302]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 Nc6 6. Nxc6 bxc6 7. c4 e5 8. O-O Bc5 9. Nd2 {B40: Sicilian: 2...e6, Unusual lines.} a5 10. Nb3 Ba7 11. a4 {The position is equal.} d6 {[#]} 12. c5 $146 ({Predecessor:} 12. Bd2 Ng4 13. h3 h5 14. hxg4 hxg4 15. g3 Be6 16. Kg2 Qf6 17. Nxa5 Rh3 18. f4 {1-0 (31) Quezada,F (1829)-Cristobal,M (2253) Mar del Plata 2017}) 12... Bxc5 (12... O-O $11) 13. Nxc5 $16 dxc5 14. Be3 Nd7 15. Qg4 O-O 16. Rad1 Qe7 17. Qg3 Ba6 18. Bxa6 Rxa6 19. Bh6 {[%csl Gh6][%cal Rg3g7] [#]} f6 $1 20. Qb3+ (20. Bxg7 {is more complex.} Qxg7 21. Rxd7 Qxg3 22. hxg3 c4 23. Rd6) 20... Qf7 21. Qb7 Nb8 $1 22. Qxf7+ Rxf7 23. Be3 $36 {[%mdl 2048] And now Rd8+ would win. Black is under pressure.} Rd7 (23... Nd7 {keeps more tension.} 24. Rd6 Rb6 25. g3 Rxb2 26. Rxc6 Nb6) 24. Bxc5 Kf7 25. f3 Ke6 26. Kf2 Ra8 27. Ke2 Na6 {Threatens to win with ...Rxd1.} 28. Rxd7 Kxd7 $14 {[%mdl 4096] Endgame KRB-KRN} 29. Rd1+ $1 Kc7 30. Bd6+ Kb6 31. f4 Nc5 32. fxe5 Nxe4 33. exf6 Nxf6 34. Rd3 Re8+ 35. Kf3 Nd5 36. Rb3+ Ka6 37. h4 ({White should try} 37. Rb8 $14 Rxb8 38. Bxb8) 37... Re6 $11 38. Bg3 h5 39. Rd3 g6 40. Bf2 Rf6+ 41. Kg3 Rf4 42. Rd4 Rf5 43. Re4 g5 44. hxg5 Rxg5+ 45. Kh3 Rf5 46. Bd4 Nf4+ 47. Kg3 Nd3 48. Re7 {[%csl Gd4][%cal Re7a7]} c5 49. Bc3 Rg5+ 50. Kf3 Rg4 51. Re4 Rg6 52. Rh4 Rg5 53. g3 Kb6 54. Re4 Rg6 55. Re7 Rg4 (55... c4 $11 {keeps the balance.}) 56. Re6+ (56. Re3 $5 {[%cal Re3d3]} Nb4 57. Re6+ Nc6 58. Bxa5+ Kb7 59. Bc3 $14) 56... Kb7 57. Re4 (57. Bxa5 {looks sharper.} Rxa4 58. Bc3 h4 59. Rd6 Nxb2 60. Bxb2 hxg3 61. Kxg3 Ra6 62. Rd5) 57... Rg5 58. Re7+ Kc6 59. Ra7 c4 60. Bd4 Nb4 61. Be3 Rd5 62. Ke4 Rd1 (62... Rd8 $16) 63. Rxa5 $18 Re1 {[#]} 64. Kf3 $1 ({Stronger than} 64. Rxh5 Nc2 $11) 64... Nd3 65. Bd4 ({White must play} 65. Rxh5 $18 {Hoping for a5.} Nxb2 66. a5) 65... Rb1 $2 (65... Rf1+ $14 66. Ke3 Re1+ 67. Kf3 Rf1+ 68. Ke4 Re1+ 69. Kf3) 66. Rxh5 {Accuracy: White = 79%, Black = 77%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.06"]
[Round "1.42"]
[White "Goldmane, Astra"]
[Black "Dolgitser, Konstantin"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2015"]
[BlackElo "2232"]
[Annotator "ChessBase"]
[PlyCount "59"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 Nc6 6. cxd4 d6 7. Bc4 e6 8. O-O Be7 9. exd6 Bxd6 10. Nc3 Nxc3 11. bxc3 O-O 12. Bd3 h6 13. Bd2 e5 14. Be4 Bg4 15. h3 Bxf3 16. Qxf3 exd4 17. Bxc6 bxc6 18. cxd4 Rc8 19. Rfd1 Bc7 20. Bb4 Re8 21. Rac1 Qd7 22. Bc5 Bb6 23. Rd3 Red8 24. Rdc3 Bxc5 25. Rxc5 Qxd4 26. Rxc6 Rxc6 27. Qxc6 Qd2 28. Qc2 Qf4 29. Rd1 Rxd1+ {Qf5} 30. Qxd1 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.06"]
[Round "1.43"]
[White "Koganov, Mikhail"]
[Black "Harlinska, Sandra"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2085"]
[BlackElo "1817"]
[Annotator "ChessBase"]
[PlyCount "57"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. Nf3 {[%emt 0:00:06]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:31]} g6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:01:53]} d5 {[%emt 0:01:03]} 4. cxd5 {[%emt 0:05:12]} Nxd5 {[%emt 0:00:06]} 5. Qa4+ {[%emt 0:00:20]} c6 {[%emt 0:19:07]} 6. Qd4 {[%emt 0:01:27]} Nf6 {[%emt 0:00:13]} 7. Qxd8+ {[%emt 0:01:08]} Kxd8 {[%emt 0:00:02]} 8. e4 {[%emt 0:01:12]} Nbd7 {[%emt 0:02:19]} 9. Bc4 {[%emt 0:01:05]} e6 {[%emt 0:01:43]} 10. O-O {[%emt 0:10:44]} b5 {[%emt 0:05:03]} 11. Bb3 {[%emt 0:03:16]} b4 {[%emt 0:05:04]} 12. e5 {[%emt 0:00:51]} Ng4 {[%emt 0:06:36]} 13. Ne4 {[%emt 0:01:00]} Ngxe5 {[%emt 0:01:02]} 14. Nxe5 {[%emt 0:03:06]} Nxe5 {[%emt 0:00:12]} 15. d4 {[%emt 0:00:49]} Nd7 {[%emt 0:01:12]} 16. Bg5+ {[%emt 0:00:59]} Be7 {[%emt 0:07:58]} 17. Rfc1 {[%emt 0:01:10]} h6 {[%emt 0:08:57]} 18. Bf4 {[%emt 0:06:23]} g5 {[%emt 0:07:48]} 19. Be3 {[%emt 0:08:51]} Nb6 {[%emt 0:07:25]} 20. Nc5 {[%emt 0:02:48]} Bd7 {[%emt 0:09:06]} 21. Nd3 {[%emt 0:01:05]} f6 {[%emt 0:00:39]} 22. Nc5 {[%emt 0:13:08]} Bxc5 {[%emt 0:00:11]} 23. Rxc5 {[%emt 0:01:38]} a5 {[%emt 0:01:35]} 24. Rac1 {[%emt 0:02:24]} Ke7 {[%emt 0:00:47]} 25. Kf1 {[%emt 0:01:32]} Rhd8 {[%emt 0:05:21]} 26. Bd1 {[%emt 0:03:04]} Be8 {[%emt 0:01:58]} 27. Bf3 {[%emt 0:03:55]} Nd5 {[%emt 0:00:09]} 28. Bxd5 {[%emt 0:02:40]} Rxd5 {[%emt 0:00:22]} 29. Rxd5 {[%emt 0:00:32]} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.06"]
[Round "1.44"]
[White "Paune, Inese"]
[Black "Leverett, Bruce"]
[Result "0-1"]
[ECO "C50"]
[BlackElo "2264"]
[Annotator "ChessBase"]
[PlyCount "60"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:04]} 3. Bc4 {[%emt 0:00:21]} Nf6 {[%emt 0:00:29]} 4. Nc3 {[%emt 0:01:55]} Bc5 {[%emt 0:01:15]} 5. d3 {[%emt 0:01:12]} d6 {[%emt 0:00:11]} 6. h3 {[%emt 0:01:00]} Be6 {[%emt 0:09:38]} 7. Nd5 {[%emt 0:07:35]} Bxd5 {[%emt 0:06:21]} 8. exd5 {[%emt 0:01:46]} Ne7 {[%emt 0:02:07]} 9. Bb5+ {[%emt 0:01:13]} c6 {[%emt 0:00:55]} 10. dxc6 {[%emt 0:00:48]} Qa5+ {[%emt 0:00:12]} 11. c3 {[%emt 0:05:34]} Qxb5 {[%emt 0:00:08]} 12. cxb7 {[%emt 0:00:12]} Qxb7 {[%emt 0:00:21]} 13. O-O {[%emt 0:00:17]} O-O {[%emt 0:01:44]} 14. Qc2 {[%emt 0:01:01]} Ng6 {[%emt 0:01:58]} 15. Be3 {[%emt 0:01:23]} Bxe3 {[%emt 0:06:49]} 16. fxe3 {[%emt 0:00:11]} Rae8 {[%emt 0:01:08]} 17. Nd2 {[%emt 0:01:29]} Nd5 {[%emt 0:06:43]} 18. Rae1 {[%emt 0:02:16]} Kh8 {[%emt 0:02:30]} 19. Ne4 {[%emt 0:02:34]} Qc6 {[%emt 0:01:27]} 20. Rf5 {[%emt 0:05:28]} Nge7 {[%emt 0:05:17]} 21. Rf3 {[%emt 0:04:43]} f5 {[%emt 0:08:54]} 22. Qf2 {[%emt 0:02:49]} Kg8 {[%emt 0:01:38]} 23. Rf1 {[%emt 0:01:20]} f4 {[%emt 0:07:21]} 24. c4 {[%emt 0:06:20]} Nxe3 {[%emt 0:00:14]} 25. Rc1 {[%emt 0:03:33]} N7f5 {[%emt 0:02:03]} 26. h4 {[%emt 0:01:59]} Re6 {[%emt 0:06:37]} 27. g4 {[%emt 0:01:23]} Nxg4 {[%emt 0:02:18]} 28. Qe1 {[%emt 0:04:13]} Nd4 {[%emt 0:02:42]} 29. Rh3 {[%emt 0:01:26]} f3 {[%emt 0:00:26]} 30. Nf2 {[%emt 0:01:38]} Ne2+ {[%emt 0:00:12]} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.06"]
[Round "1.45"]
[White "Nudcenko, Karel"]
[Black "Matveeva, Svetlana"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2004"]
[BlackElo "2375"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,82,30,46,37,57,60,61,41,53,48,50,38,79,75,104,88,102,99,97,75,102,56,56,42,50,45,44,4,16,-38,-33,-20,-18,-58,-30,-193,-201,-258,-252,-232,-97,-102,-96,-88,-35,-20,-30,-74,-73,-78,-79,-111,-76,-93,-104,-104,-95,-133,-146,-142,-122,-130,-115,-167,-166,-163,-163,-148,-148,-170,-166,-281,-277,-272,-256]} 1. e4 g6 2. d4 Bg7 3. Be3 Nf6 4. f3 d6 5. Nc3 a6 6. Qd2 {B07: Pirc Defence: Miscellaneous Systems.} Nc6 7. O-O-O h5 8. h4 {White is slightly better.} e5 9. d5 Ne7 10. Nh3 Bxh3 11. Rxh3 Qd7 12. g3 {[#]} Nh7 $146 ({Predecessor:} 12... b5 13. Rh2 Qc8 14. Kb1 Qb7 15. Qd3 Nc8 16. Bh3 Nb6 17. f4 Nc4 18. Bc1 Nd7 19. Bxd7+ Kxd7 {1-0 (36) Madl,I (2329)-Parkanyi,A (2273) Hungary 2013}) 13. Rh2 f5 14. Bh3 Nf6 15. Bg5 O-O-O 16. Rg1 Kb8 17. Kb1 Rdf8 18. Qe2 Bh6 19. f4 (19. Bxh6 $11 Rxh6 20. Rf1) 19... exf4 $15 20. gxf4 Ng4 21. Bxg4 fxg4 22. e5 $2 {[#]} (22. Bxh6 $11 Rxh6 23. Qe3) 22... dxe5 $1 $19 23. Qxe5 Nf5 {Hoping for ...Re8.} 24. Bxh6 Rxh6 (24... Re8 $19 {is more deadly.} 25. Qf6 Rxh6) 25. Ne4 $17 {[%cal Bc3e4,Be4c5,Bc5e6][%mdl 32]} Rhh8 26. Nc5 Qb5 (26... Qf7 $17) 27. Ne6 $15 Qb6 28. Re1 Re8 29. Qf6 Rhg8 $40 {[%mdl 128] Black attacks with force.} 30. c4 Qb4 31. Rc1 Qe7 32. Qe5 Qd6 33. Rc3 Qxe5 34. fxe5 {[#]} Rxe6 $1 {[%mdl 512]} 35. dxe6 $17 {[%mdl 4096] Endgame KRR-KRN} Re8 36. Rd3 (36. Rcc2 $17) 36... Rxe6 $19 37. Rd8+ Ka7 38. Rg8 g3 ({Of course not} 38... Rxe5 $6 39. Rxg6 Re1+ 40. Kc2 $15) 39. Rg2 Rxe5 {aiming for ...Re1+.} 40. Kc1 (40. Rg1 {might work better.}) 40... Re4 41. Rxg6 {Threatening Rg5.} Nxh4 {Accuracy: White = 60%, Black = 80%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.06"]
[Round "1.46"]
[White "Grabuzova, Tatiana"]
[Black "Bazantova, Marie"]
[Result "1-0"]
[ECO "D32"]
[WhiteElo "2272"]
[BlackElo "1925"]
[Annotator "TA"]
[PlyCount "181"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,181,22,22,-22,84,75,70,90,72,17,15,29,30,23,38,37,77,13,21,27,25,20,16,18,17,16,11,0,0,-15,5,4,6,11,6,0,28,22,39,31,38,36,131,118,194,204,210,208,255,267,266,268,264,241,234,222,322,129,206,206,430,405,843,843,29996,104,29996,154,325,216,223,35,181,147,170,155,149,0,0,0,154,171,278,54,62,53,91,91,91,91,97,22,23,25,25,25,91,91,91,91,98,91,100,85,84,82,81,87,101,66,95,93,79,26,26,27,98,90,98,98,114,99,114,105,107,91,91,91,104,104,106,102,110,112,181,147,122,0,175,175,170,164,273,272,256,0,0,0,0,0,213,203,259,113,100,0,260,260,264,262,436,329,329,329,749,777,720,696,29985,29981,29981,29982,29986,29987]} 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. dxc5 d4 6. Na4 {D32: Tarrasch Defence: Sidelines and lines without g3.} Bxc5 (6... b5 $11 7. e3 bxa4 8. exd4 Nf6) 7. Nxc5 $16 Qa5+ 8. Bd2 {White is slightly better.} Qxc5 {[#]} 9. e3 $146 (9. Rc1 $16 Qf5 10. Nf3) ({Predecessor:} 9. Rc1 Qf5 10. Qa4+ Nc6 11. Nf3 Qd5 12. b4 b5 13. Qa3 Nge7 14. e3 dxe3 15. fxe3 {½-½ (38) Maksimenko,A (2523)-Kosic,D (2542) Kallithea 2002}) 9... dxe3 $11 10. Bxe3 Qb4+ 11. Bd2 Qe7+ 12. Be2 Bd7 13. Qb3 (13. Nf3 $16) 13... Nc6 14. Nf3 Be6 15. Qa4 Bd5 16. O-O Nf6 $1 ({But not} 16... Qxe2 $2 17. Rfe1 $18) 17. Rfe1 {Black must now prevent Bc4.} O-O 18. Bg5 h6 19. Bb5 Qd6 20. Bf4 $36 {[%mdl 2048] White fights for an advantage.} Qd8 21. Rad1 a6 22. Bf1 b5 23. Qa3 Qb6 24. Ne5 Rad8 25. Nxc6 Qxc6 (25... Bxc6 $14 26. Rxd8 Rxd8) 26. Rc1 $1 $16 {[%cal Rc1c6]} Qa8 (26... Qd7 $16) 27. Bd6 $1 $18 Rfe8 28. Be7 $1 Rc8 29. Bxf6 $1 gxf6 30. Qg3+ Kh8 31. Qf4 Kg7 32. Qg4+ Kh8 (32... Kf8 $142 33. Qh5 Re6 34. Qxh6+ Ke7) 33. Qf5 (33. Qh5 $18 {and White stays clearly on top.} Kg7 34. Rxc8 Rxc8 35. Qg4+ Kh8 36. Qf4) 33... Kg7 (33... Rxc1 $16 34. Qxf6+ (34. Rxc1 Re6 $16) 34... Kg8 $1 {[%mdl 512]} 35. Rxc1 Re6) 34. Bd3 {Threatening mate with Qh7+.} Rxe1+ $2 (34... Be4 {was called for.} 35. Qg4+ (35. Bxe4 Qxe4 36. Qxe4 Rxe4 $11) 35... Bg6) 35. Rxe1 {White wants to mate with Qh7+.} Rh8 (35... Be6 $142 36. Qh7+ Kf8) 36. Re3 Qc6 37. Bc2 $2 (37. Qg4+ Kf8 38. Qb4+ Qc5 39. Qxc5+ Kg8 40. Rg3#) 37... b4 $2 {[%mdl 8192]} (37... Kf8 $16) 38. b3 $2 (38. Qg4+ {mates} Kf8 39. Qxb4+ Qc5 40. Qxc5+ Kg8 41. Rg3#) 38... a5 $2 (38... Kf8 $16 {might work better.} 39. Bd3 Rg8) 39. h4 Kf8 40. Rg3 $2 (40. Qf4 $18 {Intending Qb8+ and mate.} Qxc2 41. Qd6+ {[%mdl 64] Double Attack} Kg7 42. Qxd5) 40... Qe6 ({Black should play} 40... Rg8 $1 $14) 41. Qf4 Qe1+ 42. Kh2 Qe5 43. Qg4 (43. Qd2 $1 $16 {Threatens to win with f4.} Bc6 44. Kg1) 43... Ke7 $11 44. f4 Qd4 $2 (44... Qe1 $11) 45. Rd3 $16 Qc5 (45... Qe4 $142) 46. Qf5 $2 ({Only move:} 46. Qe2+ $1 $18 Kf8 47. Qh5) 46... Rd8 $14 47. Rd2 Qc6 {Threatening ...Be6.} 48. Re2+ Be6 {White should prevent ...Rd2.} 49. Qxa5 Qd6 50. g3 (50. Qf5 $16) 50... Kf8 $11 51. Qh5 Kg7 52. Qf3 Rc8 (52... f5 $11) 53. Qd3 $16 Qxd3 54. Bxd3 {[%mdl 4096] Endgame KRB-KRB} Rc1 55. Be4 Bg4 56. Rc2 Re1 57. Bb7 (57. Bc6 {seems wilder.} Bf5 58. Rd2 Rc1 59. Bf3 Rc3 60. Kg2) 57... Bf5 58. Rd2 Bb1 59. Rb2 Bf5 60. Kg2 Rc1 61. Kf3 (61. Bf3 $16) 61... Rc3+ $11 62. Kf2 Kf8 (62... Bc2 $11 {remains equal.}) 63. Re2 Bg4 64. Rd2 Bf5 65. Bf3 Be6 66. Be4 {Strongly threatening f5.} f5 67. Bd3 Ke7 68. Ke2 f6 69. Ke3 Rc1 70. Kd4 Kd6 71. Bc4 Bd7 (71... Re1 $16) 72. Ke3+ Ke7 73. Kd4 (73. Rd5 $16) 73... Kd6 $1 $18 74. a3 bxa3 {[#]} 75. Ra2 $1 Rg1 (75... Rd1+ $142 76. Ke3 Be6) 76. Rxa3 Rxg3 77. Be2 $2 (77. Ra6+ $18 Ke7 78. Kc5) 77... Bc6 $11 78. Kc4 Bd5+ 79. Kb4 Bc6 $2 (79... Re3 $11 {and Black is okay.} 80. Ra6+ Ke7 81. Ra7+ Kd6 82. Ra6+ Ke7 83. Ra7+ Kd6 84. Ra6+) 80. Ra6 $18 {aiming for Bb5.} Kc7 81. Ra7+ (81. Bc4 $18) 81... Kd6 $16 {[#]} 82. Ra6 $2 (82. Bc4 $1 $16) 82... Kc7 $18 83. Bc4 Rf3 84. Kc5 Bb7 $2 (84... Be4 85. Rxf6 h5 86. Rf7+ Kb8 87. Rf8+ Kc7) 85. Rxf6 {And now Rf7+ would win.} Rxf4 86. Rxh6 Rg4 $2 (86... Bf3 87. Rh7+ Kb8) 87. Rh7+ Kb8 88. h5 f4 89. Kb6 {White mates.} Bc8 {[#]} 90. Rh8 $1 Rg7 91. Ba6 {Accuracy: White = 70%, Black = 50%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.06"]
[Round "1.47"]
[White "Koblasa, Josef"]
[Black "Yakimenko, Alexander A."]
[Result "1/2-1/2"]
[ECO "A25"]
[WhiteElo "1938"]
[BlackElo "2149"]
[Annotator "ChessBase"]
[PlyCount "93"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e4 d6 6. d3 Nd4 7. Nge2 Bg4 8. h3 Bf3 9. Kf1 Bxg2+ 10. Kxg2 Nxe2 11. Qxe2 Qd7 12. Be3 Ne7 13. Qd2 O-O 14. Bh6 f5 15. Bxg7 Kxg7 16. f3 Nc6 17. Raf1 Rf7 18. Rf2 Raf8 19. Rhf1 f4 20. g4 Qe7 21. Kh2 Nd4 22. Rg2 g5 23. Qf2 Rh8 24. Rh1 h5 25. Kg1 Kf8 26. Ne2 Ne6 27. d4 Rfh7 28. Rgh2 Qg7 29. d5 Nd4 30. Nc3 a6 31. Qg2 Qd7 32. Ne2 hxg4 33. hxg4 Rxh2 34. Rxh2 Rxh2 35. Kxh2 Qh7+ 36. Kg1 Qh4 37. Qf2 Qh3 38. Nxd4 exd4 39. Qxd4 Qg3+ 40. Kf1 Qxf3+ 41. Ke1 Kf7 42. e5 Qg3+ 43. Kd2 Qg2+ 44. Kc3 Qg3+ 45. Kd2 Qg2+ 46. Kc3 Qg3+ 47. Kd2 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.06"]
[Round "1.48"]
[White "Chudinovskikh, Alexander M"]
[Black "Kozak, Karel"]
[Result "1-0"]
[ECO "B09"]
[WhiteElo "2139"]
[BlackElo "1856"]
[Annotator "ChessBase"]
[PlyCount "69"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} d6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:00]} Bg7 {[%emt 0:00:06]} 4. f4 {[%emt 0:00:13]} Nf6 {[%emt 0:00:31]} 5. Bd3 {[%emt 0:00:17]} O-O {[%emt 0:00:26]} 6. Nf3 {[%emt 0:00:19]} c6 {[%emt 0:02:14]} 7. O-O {[%emt 0:00:24]} b5 {[%emt 0:03:23]} 8. a3 {[%emt 0:00:29]} Qb6 {[%emt 0:03:17]} 9. Kh1 {[%emt 0:02:35]} a5 {[%emt 0:06:20]} 10. Qe1 {[%emt 0:02:06]} Bb7 {[%emt 0:07:12]} 11. Qh4 {[%emt 0:00:20]} b4 {[%emt 0:10:27]} 12. Ne2 {[%emt 0:04:54]} c5 {[%emt 0:06:54]} 13. e5 {[%emt 0:00:20]} Ne8 {[%emt 0:07:20]} 14. e6 {[%emt 0:02:06]} f5 {[%emt 0:06:37]} 15. dxc5 {[%emt 0:06:15]} dxc5 {[%emt 0:01:21]} 16. Ne5 {[%emt 0:01:46]} Nf6 {[%emt 0:00:48]} 17. Be3 {[%emt 0:00:37]} Qc7 {[%emt 0:03:08]} 18. Rad1 {[%emt 0:04:42]} Bd5 {[%emt 0:02:27]} 19. Bc4 {[%emt 0:01:02]} Bxc4 {[%emt 0:01:05]} 20. Nxc4 {[%emt 0:00:02]} Ra6 {[%emt 0:00:27]} 21. Nc1 {[%emt 0:05:08]} Rxe6 {[%emt 0:01:31]} 22. Rd3 {[%emt 0:01:38]} Ng4 {[%emt 0:02:42]} 23. Bg1 {[%emt 0:00:42]} Re4 {[%emt 0:00:57]} 24. b3 {[%emt 0:03:02]} Rxf4 {[%emt 0:01:44]} 25. Rxf4 {[%emt 0:01:29]} Qxf4 {[%emt 0:00:52]} 26. Ne2 {[%emt 0:00:40]} Qf1 {[%emt 0:01:59]} 27. Rd2 {[%emt 0:03:00]} Bf6 {[%emt 0:00:42]} 28. Qg3 {[%emt 0:00:52]} Bg5 {[%emt 0:01:06]} 29. Rd3 {[%emt 0:05:30]} Qxe2 {[%emt 0:02:50]} 30. h3 {[%emt 0:00:00]} Qxc2 {[%emt 0:03:34]} 31. hxg4 {[%emt 0:00:13]} fxg4 {[%emt 0:01:18]} 32. Rd5 {[%emt 0:01:22]} Bf4 {[%emt 0:01:31]} 33. Qxg4 {[%emt 0:04:14]} Qxb3 {[%emt 0:04:16]} 34. Qe6+ {[%emt 0:03:55]} Rf7 35. Ne5 {[%emt 0:02:05]} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.07"]
[Round "2.1"]
[White "Strutinskaia, Galina"]
[Black "Shabalov, Alexander"]
[Result "0-1"]
[ECO "A62"]
[WhiteElo "2214"]
[BlackElo "2524"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,92,39,44,44,15,27,8,10,0,0,0,0,0,13,-6,0,-44,-44,-45,-60,-46,-54,-109,-93,-108,-99,-86,-66,-129,-132,-135,-125,-131,-126,-133,-125,-133,-131,-127,-127,-217,-213,-223,-221,-222,-173,-248,-245,-243,-238,-327,-332,-307,-294,-506,-502,-469,-462,-513,-442,-743,-710,-1288,-1256,-29977,-29981,-29981,-29982,-29982,-29983,-29984,-12844,-12845,-12843]} 1. d4 Nf6 2. g3 c5 3. d5 e6 4. c4 exd5 5. cxd5 d6 6. Bg2 g6 7. Nc3 Bg7 8. Nf3 O-O 9. O-O Na6 10. Re1 Nc7 11. a4 Re8 {A62: Modern Benoni: Fianchetto Variation without early ...Nbd7.} 12. Nd2 b6 13. Nc4 Ba6 {The position is equal.} 14. Na3 Ng4 15. h3 Ne5 16. Bd2 f5 17. Rb1 {[#]} Qd7 $146 ({Predecessor:} 17... Rb8 18. Qc1 Qd7 19. b4 cxb4 20. Rxb4 Rbc8 21. Qb1 Re7 22. Ncb5 Bxb5 23. axb5 Ne8 {1-0 (63) Abolina,A-Truta,S (2265) Groningen 1994}) 18. f4 Nc4 $36 {[%mdl 2048] Black has the initiative.} 19. Nxc4 Bxc4 20. b3 Ba6 21. Bf3 ({Better is} 21. Qc2 $15) 21... Qf7 $17 22. Qc2 Bb7 {[%cal Rc7d5]} 23. e4 Rad8 24. Kh2 (24. exf5 $15 gxf5 25. Qd3) 24... fxe4 25. Nxe4 Bxd5 ({Resist} 25... Nxd5 26. Ng5 $15) 26. Ng5 Qf5 27. Qxf5 gxf5 28. Bxd5+ Nxd5 29. Ne6 Rd7 30. Nxg7 (30. g4 $17) 30... Rxe1 $19 31. Bxe1 Kxg7 $17 {[%mdl 4096] Endgame KRB-KRN} 32. Rd1 Ne7 33. g4 (33. Kg2 {keeps fighting.}) 33... d5 $19 34. Kg3 d4 35. h4 Nd5 36. Bd2 Re7 37. h5 $2 {[#]} (37. g5) 37... Ne3 38. Re1 fxg4 39. Rh1 h6 40. Rc1 (40. Rb1 $142) 40... Kf6 41. b4 c4 42. Bxe3 dxe3 43. Kxg4 e2 44. Re1 c3 45. Kf3 c2 46. Kf2 Re4 {Accuracy: White = 45%, Black = 96%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.07"]
[Round "2.2"]
[White "Kaidanov, Gregory"]
[Black "Sirotkina, Nina"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2546"]
[BlackElo "2183"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,97,-2,0,0,0,0,0,0,18,8,6,0,0,0,37,29,60,10,3,-66,-45,-57,-51,-51,-46,-44,-30,-47,-54,-64,-30,-28,-20,-39,-32,-57,-53,-75,-54,-74,-66,-68,-4,-64,-23,-99,-90,-94,-75,-126,-41,-50,-49,-60,-41,-33,-20,-33,-38,-30,-35,-28,-16,-12,0,0,8,8,8,8,8,8,8,8,1,8,1,23]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. b3 c5 7. e3 Nc6 8. Bb2 b6 9. Nc3 dxc4 10. bxc4 Bb7 11. Qe2 Qc7 12. Ne1 {A14: English Opening: 1...e6 with b3 by White.} Rfd8 13. f4 Qd7 {[#]} 14. d3 $146 ({Predecessor:} 14. Rd1 Nb4 15. d3 Bxg2 16. Nxg2 a6 17. a3 Nc6 18. g4 Ne8 19. f5 Nd6 20. f6 Bxf6 21. Rxf6 gxf6 {1-0 (34) Kramnik,V (2784)-Fridman,D (2629) Dortmund 2013}) 14... Rab8 15. g4 Ne8 16. Rd1 a6 17. Nf3 Ba8 18. Ne4 b5 19. cxb5 axb5 20. f5 (20. h4 $11) 20... exf5 $15 21. gxf5 f6 22. a3 Rdc8 23. d4 cxd4 24. Nxd4 Nxd4 25. exd4 Nc7 26. Nc5 Qd6 27. Rde1 Bf8 28. Qg4 Bxg2 29. Qxg2 Re8 30. Ne4 Qb6 31. Kh1 Kh8 (31... Nd5 $15) 32. Rg1 (32. Rf4 $11) 32... Rbd8 33. Rc1 (33. Bc3 $1 $11 {remains equal.}) 33... Nd5 $17 34. Qf3 Qa7 35. Rge1 ({White should play} 35. Rg4) 35... Qf7 (35... Nb6 $17 36. Bc3 Qxa3) 36. Nc5 $15 Nc7 37. Qc6 Qd5+ 38. Qxd5 Nxd5 39. Rxe8 Rxe8 40. Ne6 Be7 41. Nc7 Nxc7 42. Rxc7 $11 {[%mdl 4096] Endgame KRB-KRB. The position is equal.} Kg8 43. Rb7 b4 44. axb4 Bd6 {[#] White must now prevent ...Re1+.} 45. Rb6 Re1+ 46. Kg2 Re2+ 47. Kf3 Rxb2 48. Rxd6 Rxb4 49. Rd8+ {Accuracy: White = 77%, Black = 78%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.07"]
[Round "2.3"]
[White "Fatalibekova, Elena"]
[Black "Benjamin, Joel"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "2158"]
[BlackElo "2508"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,66,23,41,37,33,37,48,48,49,29,35,25,42,0,103,47,26,0,16,-39,-52,-29,-29,-37,0,0,0,-10,10,10,11,12,92,79,93,93,139,122,115,-735,-699,-842,-749,-1326,-1302,-1147,-1154,-1135,-1128,-29984,-29985,-29991,-29989,-29990,-29991,-29995,-29996]} 1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. g3 O-O 7. Bg2 {C41: Philidor Defence.} Re8 8. O-O Bf8 9. h3 {White is slightly better.} Nc6 10. g4 h6 11. Nde2 Rb8 {[#]} 12. f4 $146 ({Predecessor:} 12. Ng3 b5 13. f4 b4 14. Nd5 Ba6 15. Rf2 Nxd5 16. exd5 Na5 17. b3 Nb7 18. Bb2 {1-0 (26) Strikovic,A (2505)-Paunovic,D (2436) Pontevedra 2015}) 12... Na5 (12... d5 $11 {keeps the balance.}) 13. Qd3 ({Better is} 13. g5 $16 Nd7 14. gxh6) 13... b5 14. b4 Nc4 $1 15. Nxb5 (15. a4 $11 a6 16. axb5 {[%mdl 64] Remove Defender} axb5 17. Nxb5 Rxb5 18. Qxc4) 15... Rxb5 $15 16. Qxc4 Rb6 {White must now prevent ...Ba6.} 17. b5 d5 (17... c6 $5) 18. exd5 {Strongly threatening Nc3.} Bxg4 19. Nd4 Bd7 20. Nc6 Bxc6 21. dxc6 ({But not} 21. bxc6 Rb4 $15) 21... a6 (21... Rxb5 $11 {remains equal.} 22. Qxb5 Qd4+ {[%mdl 64] Double Attack} 23. Kh1 Qxa1) 22. a4 $16 {[%cal Ba2a4,Ba4b5][%mdl 32]} ({Much weaker is} 22. bxa6 $6 Rb4 $11) 22... axb5 23. axb5 Nh5 {[#]} 24. Bb2 $1 Qh4 25. Be5 $2 {[%mdl 8192] [#] Loses the game.} (25. Bd4 $16 Rbb8 26. Bf2) 25... Rxe5 $1 $19 {[%mdl 576] Pin} 26. Ra7 (26. fxe5 Qxc4) 26... Rc5 27. Qd3 Nxf4 28. Qf3 Bd6 29. Ra8+ Kh7 {Hoping for ...Rg5!} 30. Qe4+ f5 {Black mates.} 31. Qe8 Re5 32. Qh8+ {[#]} Kg6 $1 33. Rg8 Nxh3+ {Accuracy: White = 57%, Black = 84%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.07"]
[Round "2.4"]
[White "Yermolinsky, Alex"]
[Black "Titorenko, Natalia I"]
[Result "1-0"]
[ECO "E48"]
[WhiteElo "2487"]
[BlackElo "2113"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,71,17,15,16,0,0,14,39,37,33,27,26,22,30,0,68,86,98,86,124,86,106,81,112,127,134,104,129,98,84,32,68,89,176,179,180,142,180,144,135,102,251,234,253,220,221,216,250,257,263,252,275,289,333,319,388,392,393,367,436,414]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 dxc4 7. Bxc4 b6 {E51: Nimzo-Indian: Rubinstein: 4...0-0 5 Nf3 d5.} 8. a3 Bxc3+ 9. bxc3 Ba6 {The position is equal. 9...c5 is a critical line.} 10. Bxa6 Nxa6 {[#]} 11. e4 $1 {[%mdl 512]} Qc8 (11... Nxe4 12. Qe2) 12. e5 {[#]} Nd5 $146 ({Predecessor:} 12... Nd7 13. Ng5 h6 14. h4 hxg5 15. hxg5 g6 16. Qf3 Rd8 17. Be3 c5 18. O-O-O Qc7 {1-0 (28) Arizmendi Martinez,J (2506)-Rodriguez Lopez,R (2285) Malaga 2008}) 13. Qd3 f5 (13... h6 $11) 14. exf6 $14 gxf6 15. O-O c6 16. c4 Ne7 17. Re1 Nc7 18. Qe4 $36 {[%mdl 2048] White is on the roll.} Rf7 19. Bf4 Ng6 20. Bd6 Ne8 21. Qxe6 ({White should try} 21. Bg3 $16) 21... Qxe6 22. Rxe6 Nxd6 (22... Ng7 $16 23. Re4 Rd8) 23. Rxd6 $18 Rc8 24. g3 Rcc7 25. Re1 Kg7 26. d5 c5 {This move loses the game for Black.} (26... cxd5 $16 {was worth a try.} 27. cxd5 Rcd7) 27. a4 Rfe7 28. Re3 Kf7 29. Kf1 h5 30. Ke2 Rcd7 31. Rde6 Rb7 32. Kd3 a6 33. Kc3 Red7 34. a5 bxa5 35. Rxa6 Ra7 36. Ree6 {Accuracy: White = 62%, Black = 45%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.07"]
[Round "2.5"]
[White "Yrjola, Jouni"]
[Black "Hracek, Zbynek"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "2309"]
[BlackElo "2572"]
[Annotator "TA"]
[PlyCount "32"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,32,14,13,19,16,10,19,16,17,16,18,12,18,23,19,13,16,-124,67,68,102]} 1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Bd6 7. Bd3 O-O 8. Nge2 {D35: Queen's Gambit Declined: Exchange Variation.} Re8 9. Qc2 h6 10. Bh4 {The position is equal.} a5 11. h3 {11.a3 injects fresh life into this line.} Na6 {[%cal Bb8a6,Ba6c7,Bc7e6,Be6g5][%mdl 32]} 12. a3 Nc7 13. O-O Ne6 14. f3 Ng5 15. e4 {[#]} (15. f4 $11 Ne6 16. Ng3) 15... Nh5 $146 (15... Nfxe4 $1 $17 {[%mdl 512]} 16. Bxe4 (16. fxe4 Nxh3+ 17. gxh3 Qxh4 $19) (16. Nxe4 dxe4) 16... dxe4 17. Bxg5 Qxg5 18. Nxe4 Qg6) ({Predecessor:} 15... Nfxe4 16. fxe4 Nxh3+ 17. gxh3 Qxh4 18. Rf2 Bxh3 19. Rd1 Re5 20. dxe5 Bc5 21. Nd4 Bxd4 22. Rdd2 Qg3+ 23. Kh1 Bg4 24. Bf1 Bf3+ 25. Bg2 Qh3+ {0-1 (25) Moiseenko,A (2628)-Korley,K (2437) Helsingor 2019}) 16. Kh1 $1 $14 dxe4 {Accuracy: White = 81%, Black = 67%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.07"]
[Round "2.6"]
[White "Haba, Petr"]
[Black "Asomaki, Pekka"]
[Result "1-0"]
[ECO "C88"]
[WhiteElo "2470"]
[BlackElo "2122"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,85,5,10,14,14,22,29,25,27,29,34,56,46,132,126,119,125,138,137,191,168,214,204,183,49,191,185,181,192,179,135,273,278,310,290,304,297,535,456,428,271,872,836,668,312,296,304,301,301,638,251,226,240,246,242,302,302,364,336,350,349,354,330,336,321,500,496,514,462]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. a4 b4 9. a5 d6 10. d3 Rb8 {C88: Closed Ruy Lopez: Anti-Marshall Systems.} 11. Nbd2 Nd7 {[#]} 12. Ba4 $146 ({Predecessor:} 12. Nf1 Nc5 13. Bd5 Bd7 14. Be3 Rb5 15. Ng3 Rxa5 16. Bxc6 Rxa1 17. Qxa1 Bxc6 18. Bxc5 dxc5 19. Qxa6 {1-0 (43) Yu,Y (2760)-Moradiabadi,E (2528) chess.com INT 2018}) 12... Bb7 {White has an edge.} 13. Nb3 f5 14. exf5 Rxf5 15. d4 e4 ({Better is} 15... Rf7 $14) 16. Rxe4 $16 Nce5 {[#]} 17. Nxe5 $1 {[%mdl 512]} dxe5 {[#]} 18. Re1 $1 e4 (18... Bd6 $16) 19. Be3 Bd6 20. Qg4 g6 21. Nc5 (21. Qe2 $18) 21... Bxc5 (21... Nxc5 $14 22. dxc5 Bxc5) 22. Bb3+ $18 (22. dxc5 $6 Nxc5 23. Red1 Qe7 $14) 22... Kg7 {And now ...Nf6 would win.} 23. dxc5 h5 24. Qh3 {Hoping for Be6.} Ne5 {[#] A mistake that costs the game.} (24... Qe7 $16 25. g4 Rg5) 25. Be6 $1 {[%cal Re6f5]} Rf6 26. Rad1 Qe7 27. Bd5 Bc8 $2 (27... Bxd5 28. Rxd5 Rf5) 28. Qh4 Bg4 29. Qg5 {[%csl Ge3][%cal Rg5h6]} Rh8 $2 (29... Nf7 30. Bxf7 Kxf7) 30. Bd4 Bxd1 31. Bxe5 ({Less strong is} 31. Rxd1 Re8 $16) (31. Rxe4 $142 Kh7 32. Rxe5) 31... Bxc2 32. Bxe4 Bxe4 33. Rxe4 ({And not} 33. Qxf6+ Qxf6 34. Bxf6+ (34. Rxe4 Rb8 $11) 34... Kxf6 $11) 33... Rhf8 $2 (33... Rd8 34. Kf1 (34. Qxf6+ Qxf6 35. g4 Rd5 $14) (34. Bd4 Qf8 $16) 34... Rdf8) 34. Bxf6+ $2 (34. Rf4) 34... Qxf6 35. Qxf6+ Rxf6 36. Rxb4 {[%mdl 4096] Endgame KR-KR} Rc6 37. Rc4 Kf6 38. f3 Ke5 39. Re4+ Kd5 40. b4 Rf6 41. Kf2 Kc6 (41... Rf7 {was necessary.} 42. Ke3 Rf8) 42. Kg3 Kb5 43. Kh4 {Accuracy: White = 73%, Black = 38%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.07"]
[Round "2.7"]
[White "Salonen, Jyrki"]
[Black "Velicka, Petr"]
[Result "1/2-1/2"]
[ECO "B20"]
[WhiteElo "2111"]
[BlackElo "2425"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,86,-22,-11,-4,-5,-54,-12,-27,-1,-1,0,8,21,12,7,-43,-39,-37,-52,-46,-29,-54,-49,-55,-49,-65,-60,-86,-29,-34,-30,-84,-83,-99,-63,-67,-53,-87,-39,-39,-34,-36,-32,-66,-23,-37,-14,-27,-15,-29,0,0,0,0,0,-11,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. g3 d5 3. d3 Nc6 4. Bg2 Nf6 5. Nc3 Bg4 6. f3 {B20: Sicilian: Unusual White 2nd moves.} Bc8 7. Nh3 {[#]} g6 $146 ({Predecessor:} 7... dxe4 8. dxe4 Qxd1+ 9. Kxd1 e5 10. Nb5 Rb8 11. c3 a6 12. Nc7+ Kd8 13. Nd5 Nxd5 14. exd5 Bxh3 15. Bxh3 {1-0 (58) Fahrner,K (2300)-Wanderer,T (2220) Austria 2010}) 8. Nf2 Bg7 9. O-O O-O 10. f4 dxe4 (10... e6 {is interesting.} 11. Rb1 b6 12. a3 Ne7 13. b4 Ba6) 11. Ncxe4 Nxe4 12. Bxe4 (12. dxe4 {feels hotter.} Be6 13. c3 Qxd1 14. Rxd1 Rad8 15. Rxd8 Rxd8 16. e5) 12... Qd7 13. c3 b6 14. Be3 Bb7 15. Qe2 f5 16. Bg2 e5 17. Rad1 Rfe8 {...exf4 is the strong threat.} 18. Qd2 exf4 (18... Rad8 $17) 19. Bxf4 $11 Ne7 20. Nh3 (20. Bxb7 $11 Qxb7 21. a3) 20... Bxg2 $17 21. Qxg2 Nd5 22. Bc1 $1 Rad8 23. Qf3 Re6 24. Nf4 Nxf4 25. Bxf4 Rde8 26. Rf2 h5 27. h4 Kh7 28. Rdd2 Re1+ 29. Rf1 Qe6 30. Rxe1 {The position is equal.} Qxe1+ 31. Qf1 Qe6 32. a3 a5 33. Kf2 a4 34. Re2 Qxe2+ (34... Qc6 {with more complications.} 35. Rxe8 Qxe8 36. Qe2 Qxe2+ 37. Kxe2 b5) 35. Qxe2 Rxe2+ 36. Kxe2 $11 {[%mdl 4096] Endgame KB-KB} Kg8 37. Bc7 b5 38. Bd6 c4 39. Bf4 Kf7 40. dxc4 bxc4 41. Ke3 Ke6 42. Kf3 Be5 43. Ke3 Bf6 {Accuracy: White = 77%, Black = 82%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.07"]
[Round "2.8"]
[White "Konopka, Michal"]
[Black "Kopsa, Petri"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2353"]
[BlackElo "2085"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,79,37,26,26,39,13,36,0,0,0,2,3,21,9,33,27,69,58,68,45,47,25,70,23,33,-33,-35,-45,-23,-24,-21,-28,-28,-53,-68,-86,-76,-84,-81,-78,-90,-66,-53,-62,-54,-39,0,-103,-103,-116,0,0,0,-139,-87,-84,675,676,672,668,642,639,911,883,1177,1155,1198,1195]} 1. Nf3 e6 2. g3 f5 3. Bg2 Nf6 4. O-O Be7 5. c4 O-O 6. Nc3 d6 7. d3 Nc6 {7...Qe8 is more fashionable.} 8. e4 {A10: English Opening: Unusual Replies for Black.} e5 9. h3 Kh8 {[#]} 10. Re1 $146 {White is slightly better.} ({Predecessor:} 10. Be3 Qe8 11. Nh4 f4 12. Bd2 Nd4 13. gxf4 Nxe4 14. dxe4 Bxh4 15. Nd5 Bd8 16. fxe5 dxe5 {½-½ (69) Jiruse,J (2159)-Persson,A (1903) Marianske Lazne 2008}) 10... fxe4 11. dxe4 Qe8 12. Be3 Qf7 13. Rc1 h6 14. Nd5 Ne8 15. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} Bd8 16. b5 Ne7 17. c5 Be6 {[%cal Re6d5]} 18. cxd6 cxd6 {[%cal Re6d5]} 19. Qd2 ({Better is} 19. Nxe7 $14 Bxe7 20. a3) 19... Bxd5 $15 20. exd5 Nf5 21. Qd3 Nxe3 22. fxe3 Nf6 23. Nh4 {And now Ng6+ would win.} e4 $1 {[%cal Re4d3]} 24. Qf1 Bb6 25. Qf5 {White wants to play Ng6+.} Rfe8 {Strongly threatening ...g5.} ({Not} 25... Nxd5 $2 26. Ng6+ Kh7 27. Nxf8+ $18) 26. Ng6+ Kg8 27. Nf4 Re5 28. Rc8+ Rxc8 29. Qxc8+ Kh7 30. Kh2 (30. Ne6 $11) 30... g5 $17 31. Ne6 Rxd5 (31... Nxd5 $17 32. Nf8+ Kg7) 32. Rf1 $40 {[%mdl 128] Threatening mate with Bxe4+! White attacks.} Re5 33. Nd4 (33. Rxf6 $11 Qxf6 {[#]} 34. Bxe4+ $1 {[%mdl 576] Decoy} (34. Qxb7+ $2 Kg8 $19) 34... Rxe4 35. Qxb7+ {[%mdl 64] Double Attack} Kg8 36. Qxe4) 33... Bxd4 ({Black should play} 33... Kg6 34. Qb8 Bc5) 34. exd4 $17 Re8 $2 {[%mdl 8192] [#] Loses the game.} (34... Re7 $17 35. Qb8 Qe6 36. Qxa7 e3) 35. Rxf6 $1 $18 {[%mdl 576] Double Attack. White is clearly winning.} Rxc8 (35... Qxf6 36. Qxe8) 36. Rxf7+ Kg6 37. Rxb7 Re8 {If Black can now play ...e3 this consolidates a bit.} 38. Kg1 e3 39. Kf1 Rf8+ 40. Ke1 {Accuracy: White = 74%, Black = 59%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.07"]
[Round "2.9"]
[White "Arkell, Keith C"]
[Black "Schweitzer, Andreas"]
[Result "1/2-1/2"]
[ECO "A11"]
[WhiteElo "2447"]
[BlackElo "2290"]
[Annotator "TA"]
[PlyCount "172"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,172,25,0,34,-2,21,-1,32,-25,-19,-39,-20,-24,-22,-14,-17,-24,-28,-28,-15,-18,-15,-19,-17,-37,0,-21,-21,-21,-18,-16,-18,-20,-19,-22,-18,-18,-10,-15,0,-12,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-33,0,0,0,-13,0,0,8,0,8,0,0,0,8,0,0,0,0,-16,0,-58,-24,-139,0,0,0,0,0,0,0,0,0,0,0,0,8,8,8,8,8,8,8,8,8,0,0,0,8]} 1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. b3 Bg4 5. Bb2 Nbd7 6. Be2 e6 7. O-O Be7 8. d3 O-O {A12: English Opening: 1...c6 with b3 by White.} 9. Nbd2 (9. h3 $5 {[%cal Rh3g4]} Bh5 10. Nc3 $11) 9... a5 10. a3 Re8 {[#]} 11. e4 $146 (11. h3 $14 Bxf3 12. Nxf3) ({Predecessor:} 11. Qc2 Bf8 12. Rfe1 h6 13. e4 dxe4 14. dxe4 e5 15. Bc3 Qb6 16. Qb2 Bc5 17. Rf1 Bxf3 18. Bxf3 {½-½ (42) Lykov,S (2211)-Filipenko,A (2354) Izhevsk 2010}) 11... dxe4 $11 12. dxe4 Bxf3 13. Bxf3 {[#] aiming for e5.} e5 14. Qc2 Bc5 15. Be2 Nf8 16. Nf3 Ng6 17. g3 h5 18. Bc1 Qe7 19. Bg5 Bxa3 20. Nh4 Nxh4 21. Bxh4 Bc5 {[#]} 22. Bxh5 $1 {[%mdl 512]} Qe6 (22... Nxh5 23. Bxe7) 23. Bxf6 Qxf6 24. Kg2 Qg5 25. Qe2 g6 26. Bf3 Red8 27. Rfd1 Rxd1 28. Rxd1 Rd8 29. h4 Qe7 30. h5 Rxd1 31. Qxd1 Qd6 32. hxg6 fxg6 33. Qe2 Qd4 34. Bg4 Kf7 35. Bc8 b6 36. Qf3+ Ke7 37. Bh3 b5 38. cxb5 cxb5 39. Bc8 $1 a4 40. bxa4 $1 bxa4 {And now ...a3 would win.} 41. Bb7 $1 Qd6 42. Bd5 Qf6 43. Qe2 a3 44. Qd2 Qb6 45. Qh6 Qf6 46. f3 Kd8 47. Qh7 Be7 48. Qg8+ Bf8 49. Bc4 Qd6 50. Kh3 Kc7 51. Kg4 Be7 52. Be6 Kb6 53. Qc8 Qc7 54. Qe8 Qd6 {[%cal Rd6e6]} 55. Bd5 Ka5 56. Qa8+ Kb4 57. Qb7+ Kc3 58. Qb3+ Kd2 59. Qa2+ Ke3 60. Qb3+ Kd2 61. Qb5 Qc5 62. Qe8 Qd6 63. Bf7 Qd8 {White must now prevent ...Qxe8.} 64. Qc6 Qd6 65. Qb7 Kc1 66. Qb5 Qc5 67. Qf1+ Kb2 68. Qe2+ Kc1 69. Qa6 Qd6 70. Qc4+ Kd2 71. Qb5 Qc5 72. Qb8 Qd6 {( -> ...Qd7+)} 73. Qg8 (73. Qb7 $11) 73... Ke3 {...Qd7+ is the strong threat.} 74. Bxg6 (74. Ba2 $11) 74... Qf6 (74... Qd7+ $17 75. Bf5 Qd1) 75. Qb3+ {The position is equal.} Kf2 76. Qc2+ Ke3 77. Qc3+ Ke2 78. Bf5 Qg5+ 79. Kh3 Qe3 (79... Kf2 $5 80. Qc2+ $8 Kxf3 81. Qd1+ Kf2 $11) 80. Qc2+ Qd2 (80... Kf1 {with more complications.} 81. Qg2+ Ke1 82. Qh1+ Kd2 83. Qg2+ Kc3) 81. Qxd2+ Kxd2 {KB-KB} 82. Be6 Ke3 83. Kg4 Bd6 84. Bd5 Bf8 85. f4 exf4 86. gxf4 a2 {Accuracy: White = 90%, Black = 91%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.07"]
[Round "2.10"]
[White "Titscher, Libor"]
[Black "Hebden, Mark L"]
[Result "1/2-1/2"]
[ECO "A21"]
[WhiteElo "2153"]
[BlackElo "2444"]
[Annotator "TA"]
[PlyCount "132"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,132,-14,2,-6,-7,-25,0,-25,0,0,0,0,0,0,0,0,22,10,15,10,10,10,17,14,9,0,0,0,0,-8,-6,-16,0,-8,0,-21,-21,-21,-11,-28,-18,-33,-12,-23,-18,-18,-12,-12,-18,-12,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 e5 2. Nc3 Bb4 3. g3 Bxc3 4. dxc3 d6 5. Bg2 Ne7 6. e4 {A21: English Opening: 1...e5 2 Nc3.} O-O 7. Ne2 Nbc6 {[#]} 8. h3 $146 ({Predecessor:} 8. O-O Be6 9. b3 Qd7 10. f4 exf4 11. Nxf4 Bg4 12. Qd2 Ng6 13. Ba3 b6 14. Rae1 {1-0 (80) Mamedov,R (2707)-Mchedlishvili,M (2578) Al Ain 2014}) 8... f5 9. exf5 Bxf5 10. O-O Qd7 11. Kh2 Be6 12. b3 Rae8 13. f4 Ng6 14. Be3 exf4 15. Nxf4 Nxf4 16. Bxf4 b6 17. Qd2 Ne7 {[%cal Bc6e7,Be7g6,Bg6e5][%mdl 32]} 18. Rae1 Ng6 19. Bg5 Rxf1 20. Rxf1 Ne5 21. Bf4 Bf7 22. Bd5 Bxd5 23. Qxd5+ Qf7 24. Qxf7+ Nxf7 $11 {[%mdl 4096] Endgame KRB-KRN} 25. Kg2 a5 {[%cal Ba7a5,Ba5a4][%mdl 32]} 26. h4 a4 27. Kf3 {The position is equal.} Ne5+ 28. Bxe5 Rxe5 {KR-KR} 29. Rd1 axb3 30. axb3 Ra5 31. b4 Ra3 32. Rd3 Kf7 33. Re3 h5 34. g4 hxg4+ 35. Kxg4 Ra1 36. Rf3+ Ke6 37. Re3+ Kf7 38. Rf3+ Kg8 39. Re3 Rg1+ 40. Rg3 Re1 41. Rf3 g6 42. c5 Rg1+ 43. Kf4 Kf7 44. cxb6 cxb6 45. Ke3+ Ke6 46. Kd3 b5 47. Rh3 Rd1+ 48. Ke4 d5+ 49. Ke3 d4+ 50. cxd4 Kd5 51. h5 gxh5 52. Rxh5+ Kc4 53. Rc5+ Kxb4 54. Rc8 Ka3 55. Ke4 b4 56. d5 b3 57. Ra8+ Kb4 58. Rb8+ Kc3 59. Rc8+ Kb4 60. Ke5 b2 61. Rb8+ Kc3 62. d6 b1=Q 63. Rxb1 Rxb1 64. d7 Rd1 65. Ke6 Rxd7 66. Kxd7 Kd4 {A rather calm draw. Accuracy: White = 98%, Black = 96%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.07"]
[Round "2.11"]
[White "Flear, Glenn C"]
[Black "Schulenburg, Bernd"]
[Result "1-0"]
[ECO "E44"]
[WhiteElo "2420"]
[BlackElo "2175"]
[Annotator "TA"]
[PlyCount "39"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,39,42,33,60,52,120,72,110,117,127,121,130,40,79,75,124,122,218,220,267,302,272,287,491,472,29996,29997,29997,-167]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nge2 O-O 6. a3 Be7 7. e4 d6 {E44: Nimzo-Indian: Rubinstein: 4...b6 5 Ne2.} 8. Ng3 {[#]} d5 $146 ({Black should try} 8... Ba6 $14) ({Predecessor:} 8... c5 9. d5 exd5 10. cxd5 a6 11. Be2 b5 12. b4 Nbd7 13. Be3 Ne8 14. O-O Bf6 15. Rc1 {1-0 (38) Kayonde,A (2404)-Adly,A (2607) Kampala 2016}) 9. e5 Ne8 {White is better.} 10. cxd5 exd5 11. Bd3 c5 12. O-O ({White should play} 12. Nxd5 $1 $16 {Hoping for Qf3.} Qxd5 13. Be4 {[%mdl 64] Skewer} Qxd4 14. Qxd4 (14. Bxa8 Qxe5+ 15. Qe2 Qc7 $11) 14... cxd4 15. Bxa8) 12... Nc6 13. dxc5 (13. Qh5 g6 $15) 13... d4 14. Be4 $36 {[%mdl 2048] White has strong initiative.} Bb7 (14... dxc3 $16 15. Qxd8 (15. Bxc6 Qxd1 16. Rxd1 cxb2 $16) 15... Bxd8) 15. Nd5 $18 ({Stronger than} 15. Qh5 g6 $15) 15... Bxc5 16. b4 ({Weaker is} 16. Qh5 g6 $11) 16... Nxe5 {[#]} 17. Qh5 $1 {[%csl Ge4][%cal Rh5h7][%mdl 512]} f5 $2 (17... Ng6 18. bxc5 bxc5) 18. Nxf5 Bxd5 {[#]} (18... Rxf5 $18 19. Qxf5 Bxd5 20. Qxh7+ Kf8 21. Qh8+ Kf7 22. Qh5+ {[%mdl 64] Double Attack} Kf8 23. Qxe5 Bxe4 24. Qxe4 Be7) 19. Ne7+ $1 {[%mdl 576] Discovered Attack} Bxe7 20. Bxh7+ {[%mdl 32768] Accuracy: White = 84%, Black = 13%. . Loss on time!?} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.07"]
[Round "2.12"]
[White "Berndt, Matthias"]
[Black "McDonald, Neil"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "2098"]
[BlackElo "2410"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,96,-22,7,8,10,0,0,-53,-32,-88,-81,-79,-45,-51,-40,-55,-46,-57,-52,-48,-45,-51,-40,-40,-41,-48,-14,-26,-20,-20,-21,-35,0,-38,-33,-60,-45,-28,0,-31,-37,-33,-45,-53,-48,-57,-39,-41,-39,-74,-65,-66,-59,-72,-70,-70,-70,-70,-70,-73,-70,-88,-88,-95,-93,-149,-96,-137,-137,-136,-131,-139,-68,-68,-68,-72,-70,-100,-40,-89,-95,-96,-55,-97,-97,-252,-221,-268,-256]} 1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 Be7 5. g3 b5 6. Bg2 {C00: French: Unusual White 2nd moves.} Bb7 {[%cal Rd5e4]} 7. Qe2 c5 {[#]} 8. e5 $146 (8. a4 $11) ({Predecessor:} 8. O-O Nc6 9. c3 O-O 10. e5 Nd7 11. Re1 a5 12. Nf1 a4 13. Bf4 d4 14. cxd4 cxd4 15. h4 Nb6 16. Bg5 a3 17. b3 Nd5 {0-1 (45) Schulz,K (2227)-Buhmann,R (2573) Magdeburg 2019}) 8... Nfd7 $15 9. c4 (9. a4 $15) 9... bxc4 $17 10. dxc4 Nb6 11. O-O O-O 12. b3 a5 {[%cal Ba7a5,Ba5a4][%mdl 32]} 13. Rd1 a4 {White must now prevent ...axb3.} 14. Ba3 Nc6 15. Ne4 Ra5 16. cxd5 Nxd5 17. Bb2 Ba6 18. Qd2 axb3 19. axb3 Rxa1 20. Rxa1 Ncb4 21. Nc3 Bb7 22. Rc1 Nxc3 23. Bxc3 Bxf3 24. Bxf3 (24. Qxd8 {feels hotter.} Rxd8 25. Bxf3 Nd5 26. Be2 Ra8 27. Bb2) 24... Qxd2 25. Bxd2 Nd3 {[%mdl 64] [#] Double Attack} 26. Rc3 Nxe5 27. Be2 Nc6 28. Be3 Nd4 29. Bc4 g6 30. Kg2 Rb8 31. f4 h5 (31... Nb5 {with more complications.} 32. Rd3 Rb7 33. Bf2 Kg7 34. Rf3 h5) 32. Bxd4 cxd4 $15 {[%mdl 4096] Endgame KRB-KRB} 33. Rd3 Bc5 34. Kf3 Kf8 35. Rd2 Ra8 36. Ke4 Ra1 37. Re2 (37. b4 $142 Bxb4 38. Rxd4) 37... Ke7 (37... Rd1 $142 38. Rb2 Bb6) 38. b4 Bb6 39. Ra2 Rb1 40. b5 Re1+ (40... Rc1 $17 41. Bd3 Rh1) 41. Be2 $1 Kd6 42. Rc2 Bc5 43. Rd2 Kc7 (43... Ra1 $17 44. Bd3 Ra3) 44. Kf3 Ra1 45. Ke4 Ra3 {[%csl Gc5,Gd4][%cal Ra3e3]} 46. Bd3 Kd6 47. Rd1 $2 {[#]} (47. h4 $17) 47... Ra2 $1 $19 48. h3 Rf2 {Accuracy: White = 62%, Black = 79%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.07"]
[Round "2.13"]
[White "Weyrich, Morten"]
[Black "Ftacnik, Lubomir"]
[Result "1/2-1/2"]
[ECO "A34"]
[WhiteElo "2281"]
[BlackElo "2513"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,94,-4,-38,23,0,61,54,91,95,85,90,96,97,92,61,71,50,60,57,62,47,68,48,55,62,66,5,5,6,33,38,41,25,46,18,38,24,60,22,23,12,14,10,10,0,60,0,14,14,14,5,13,0,13,0,16,0,0,0,0,0,0,-65,0,0,0,0,0,0,0,0,43,0,0,0,0,0,0,0,0,0,0]} 1. c4 Nf6 2. Nc3 c5 3. g3 e6 4. Bg2 d5 5. cxd5 exd5 6. d4 cxd4 7. Qxd4 Nc6 8. Qa4 Be6 {A23: English Opening: 1...e5 2 Nc3 Nf6 3 g3 c6.} (8... d4 $15 9. Ne4 Bb4+ 10. Kf1 O-O) 9. Bg5 Bc5 {[#]} (9... Qb6 $11) 10. O-O-O $146 {Strongly threatening Nxd5!} (10. Rd1 {feels hotter.} Bb4 11. Nh3 h6 12. Bxf6 Qxf6 13. O-O) ({Predecessor:} 10. Nf3 Qb6 11. O-O Qxb2 12. Bxf6 gxf6 13. Rac1 Qb4 14. Qc2 Bb6 15. e4 dxe4 16. Nxe4 {½-½ (51) Zochowski,K (2240)-Janik,I (2425) Warsaw 2017}) 10... Bxf2 {[#]White is slightly better.} 11. Nxd5 $1 {[%mdl 512]} Bxd5 12. Bxd5 Qb6 13. Bxf6 gxf6 14. Bxc6+ bxc6 15. Nf3 O-O 16. Kb1 Rab8 {[%csl Gb8][%cal Rb6b2] [#]} 17. Qg4+ Kh8 {[%csl Gb8][%cal Rb6b2]} 18. Rd2 Be3 19. Rc2 $1 c5 20. Nd2 (20. Rd1 $14) 20... Bxd2 $11 21. Rxd2 Rfe8 22. Rhd1 Re6 23. b3 Re3 {aiming for ...Rxb3+!} 24. Rd3 (24. Qc4 $5 {[%cal Rc4f7]} Kg8 25. Rc2 $14 (25. Rd7 Qe6 $14)) 24... Rxd3 25. Rxd3 {[%mdl 4096] Endgame KQR-KQR} Qc6 26. Kc2 Re8 27. Kd2 Qa6 28. a4 Qa5+ 29. Kd1 Qc7 (29... c4 $1 $11 30. Qxc4 Qh5) 30. Rd7 (30. Ke1 $14) 30... Rd8 31. Rxd8+ Qxd8+ {KQ-KQ} 32. Kc2 Qd5 33. h4 h6 34. Qc4 Qe5 35. Qg4 f5 36. Qf3 Kg7 37. e3 Kg6 38. h5+ (38. a5 $11) 38... Kg7 (38... Kg5 $15 39. Kd3 Qe6) 39. Kd3 Qd6+ 40. Kc4 Qe6+ 41. Qd5 {Threatens to win with Qxe6.} Qxe3 42. Qxc5 Qxg3 43. Qxa7 f4 {The position is equal.} 44. Qd4+ Kg8 45. Qd8+ Kg7 46. Qd4+ Kg8 47. Qd8+ Kg7 {Accuracy: White = 78%, Black = 77%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.07"]
[Round "2.14"]
[White "Stohl, Igor"]
[Black "Jeske, Eckhard"]
[Result "1/2-1/2"]
[ECO "D17"]
[WhiteElo "2470"]
[BlackElo "2158"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,41,13,17,15,35,38,112,106,106,107,99,106,98,110,94,103,100,92,135,57,143,59,35,-52,21,39]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 Nbd7 7. Nxc4 Qc7 8. g3 e5 9. dxe5 Nxe5 10. Bf4 {D17: Slav Defence: 5 a4 Bf5: Lines with 6 Nh4 and 6 Ne5.} Rd8 11. Qc1 Nfd7 {[#]} (11... Bd6 $1 $14 12. Nxd6+ Qxd6) 12. Bxe5 $1 $16 {White is better.} Nxe5 13. Qf4 Bd6 {White must now prevent ...Nd3+!} 14. Qxf5 ({Stronger than} 14. Nxe5 Be6 $17) 14... Nxc4 15. Qe4+ {[%mdl 64] Double Attack} Ne5 16. f4 {[%mdl 64] Pin} f5 {[#]} 17. Qxf5 $146 ({Predecessor:} 17. Qe3 O-O 18. fxe5 Bxe5 19. Bg2 f4 20. gxf4 Rxf4 21. Rd1 Rdf8 22. Rd3 Rb4 23. Qc5 Rxb2 {1-0 (35) Ernst,S (2435)-Marcus,J (2292) Leeuwarden 2001}) 17... Nf7 18. e4 ({Better is} 18. O-O-O $16) 18... O-O {[#]} ({Black should play} 18... Bb4 $14) 19. Bc4 (19. O-O-O $1 $16) 19... g6 $14 20. Qe6 (20. Qg4 $14) 20... Bb4 ({Black should try} 20... Bxf4 $1 $15 21. Rd1 Rxd1+ 22. Kxd1 Qd6+ 23. Qxd6 Bxd6) 21. O-O $1 {Accuracy: White = 60%, Black = 44%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.07"]
[Round "2.15"]
[White "Jansen, Andreas"]
[Black "Motuz, Karol"]
[Result "1/2-1/2"]
[ECO "C16"]
[WhiteElo "2206"]
[BlackElo "2368"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,62,79,47,63,34,41,28,33,28,78,15,60,0,2,0,0,0,-11,-15,-9,-28,-22,-21,37,-12,-6,-23,-3,-22,-6,-18,-19,-19,-19,-19,-19,-19,-11,-18,-19,-18,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Qd7 5. a3 Bf8 6. f4 b6 {C16: French: 3 Nc3 Bb4 4 e5: Lines without ...c5.} 7. Bb5 c6 8. Bd3 Ba6 {White has an edge.} 9. Nf3 {[#]} Nh6 $146 ({Predecessor:} 9... Bxd3 10. Qxd3 c5 11. O-O Nc6 12. Kh1 g6 13. Be3 c4 14. Qd1 a6 15. b4 Nge7 {0-1 (52) De Wit,G (1696)-De Kleijnen,H (1895) Maastricht 2012}) 10. O-O (10. h3 $16) 10... Be7 11. Kh1 ({White should try} 11. h3 $14) 11... Bxd3 $11 12. Qxd3 c5 13. Be3 Nf5 14. Bf2 h5 15. Ne2 Nc6 16. Ng3 Nfxd4 (16... Nxg3+ $11 17. hxg3 c4) 17. Nxd4 cxd4 18. Ne2 O-O 19. Nxd4 {The position is equal.} Rac8 20. Nxc6 Qxc6 21. c3 g6 22. Rad1 Rfd8 23. h3 Qa4 24. Qe2 Rc4 25. Rd4 Bc5 (25... Kg7 {with more complications.} 26. Rfd1 Rdc8 27. R1d2 a6 28. Rxc4 Rxc4 29. Bd4 Qb5) 26. Rxc4 Qxc4 27. Qxc4 dxc4 28. Bxc5 bxc5 {KR-KR} 29. Rf2 Rd1+ 30. Kh2 h4 31. g3 hxg3+ {Accuracy: White = 79%, Black = 86%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.07"]
[Round "2.16"]
[White "Petran, Peter"]
[Black "Moritz, Hartmut"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2268"]
[BlackElo "2088"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,65,2,2,0,12,6,14,0,17,-38,14,-41,22,11,90,97,102,31,31,19,54,0,27,17,16,20,40,12,27,27,31,-11,19,0,30,16,17,0,0,-5,24,11,131,120,439,426]} 1. g3 e5 2. c4 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. d3 Be7 7. Be3 O-O 8. a3 Nc6 9. Nf3 Be6 10. O-O f6 11. Rc1 Qd7 12. Re1 {A29: English Opening: Four Knights Variation with 4 g3.} Rad8 13. Ne4 Nd5 14. Bd2 {[#] The position is equal.} Nd4 $146 ({Predecessor:} 14... a6 15. b4 Bh3 16. Bh1 Bg4 17. Nc5 Bxc5 18. bxc5 Rb8 19. Qa4 Be6 20. Rc2 Qf7 {1-0 (47) Nenciulescu,S (2027)-Soreghy,J (1897) LSS email 2008}) 15. b4 (15. Nxd4 $11 exd4 16. Qc2) 15... c6 (15... b6 $15) 16. Qa4 (16. Nxd4 $11 exd4 17. Qa4) 16... b5 (16... Nb6 $15 17. Qxa7 Nc8) 17. Qd1 $1 $11 a5 (17... Nxf3+ $11 {remains equal.} 18. Bxf3 Rc8) 18. Nxd4 $16 exd4 19. Nc5 ({White should try} 19. bxa5 $16 {Nc5 is the strong threat.} Bxa3 20. Nc5 Bxc5 21. Rxc5) 19... Bxc5 $1 $14 20. Rxc5 axb4 21. axb4 (21. Bxb4 $14 Ra8 22. Qc1) 21... Rc8 22. Qa1 Ne7 23. Qb2 Rfd8 24. Rec1 Bh3 25. Bh1 Qe6 26. Qc2 Bg4 27. Bg2 Rd6 28. Bf4 {[#] And now h3 would win.} Rd7 29. e4 dxe3 30. Bxe3 Nd5 31. Bd2 {Strongly threatening Re1.} Bf5 (31... Rd6 $11 {keeps the balance.}) 32. Re1 $16 ({Much weaker is} 32. Rxc6 $6 Rxc6 33. Qxc6 Qxc6 $11) 32... Qd6 $2 {[%mdl 8192] [#]} (32... Qf7 $16 {is a better chance.}) 33. Bxd5+ {Accuracy: White = 67%, Black = 38%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.07"]
[Round "2.17"]
[White "Pieper, Thomas"]
[Black "Potapov, Alexander"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "2258"]
[BlackElo "2413"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,60,-8,-10,-36,-57,-51,-60,-70,-66,-136,-124,-125,-131,-124,-131,-127,-127,-137,-144,-147,-120,-137,-122,-133,-130,-136,-147,-158,-166,-181,-172,-199,-199,-197,-207,-203,-196,-197,-196,-330,-315,-438,-452,-422,-407]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. c4 Ba6 9. Nd2 g6 10. Qe4 {C45: Scotch Game.} Nb6 11. Bd3 Bg7 12. Nf3 {Black is slightly better.} f6 {[%cal Rf6e5] [#]} 13. Bf4 $146 (13. b3 $15) ({Predecessor:} 13. exf6 Qxe4+ 14. Bxe4 Bxf6 15. c5 Na4 16. Rb1 Nxc5 17. Bc2 O-O 18. Be3 Rfe8 19. Kd1 {0-1 (47) Basova,Y (1699)-Mikheeva,G (1638) Minsk 2019}) 13... fxe5 $17 14. Bxe5 O-O {[#] aiming for ...d5.} 15. Bxg7 Qxe4+ 16. Bxe4 Kxg7 17. O-O-O Bxc4 18. b3 Bd5 19. Rhe1 Rae8 20. Bxd5 cxd5 {[%cal Bc6d5,Bd5d4][%mdl 32]} 21. Rxe8 Rxe8 {[%mdl 4096] Endgame KRN-KRN} 22. Kd2 c5 23. Rc1 d6 24. Ne1 Kf6 25. Rc3 d4 26. Rf3+ Kg7 27. Nd3 Nd5 28. Nb2 (28. Nf4 $142 Nc3 29. a4) 28... Nc3 $19 29. Nc4 d5 30. Nd6 Re6 {White got outplayed after the opening. Accuracy: White = 58%, Black = 93%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.07"]
[Round "2.18"]
[White "Sergeyev, Alexander"]
[Black "Kempter, Ronald"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "2398"]
[BlackElo "2238"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,86,21,27,41,33,27,23,19,18,32,30,40,35,31,0,0,0,0,0,14,10,10,10,10,14,12,6,12,14,14,11,19,20,20,12,18,0,25,32,39,25,42,41,80,64,57,49,67,58,453,447,473,472,480,110,420,412,29994,618,29995,29996,29996,29997,29997,29998,29998,29999,29999]} 1. d4 Nf6 2. Nf3 c5 3. d5 e6 4. Nc3 exd5 5. Nxd5 Nxd5 6. Qxd5 Nc6 7. e4 Be7 8. Bc4 O-O 9. O-O d6 10. c3 Be6 11. Qd3 Qd7 {A43: Schmid Benoni.} 12. Rd1 Rad8 13. Bf4 {[#]} h6 $146 {White has an edge.} ({Predecessor:} 13... Kh8 14. h3 f5 15. Bd5 fxe4 16. Qxe4 Bf5 17. Qe3 Rde8 18. Qd2 Be6 19. Bxe6 Qxe6 {1-0 (38) Mirzoev,A (2555)-Borisovsky,D (2304) St Petersburg 2017}) 14. Rd2 a6 15. Rad1 Na5 16. Bd5 b5 17. Qe3 Bxd5 18. Rxd5 Nc4 19. Qe2 Qg4 20. h3 Qe6 ({Don't play} 20... Qxf4 $6 21. Rf5 $16) 21. b3 Nb6 22. R5d2 Rfe8 23. Bg3 Bf8 24. Re1 g6 25. Qd1 Rd7 26. Re3 Red8 27. Bh4 Re8 28. Ne1 (28. Qc1 {feels hotter.} Bg7 29. Qf1 Bh8 30. Qe2 Bf6 31. Bg3) 28... Be7 29. Bxe7 Qxe7 30. Nd3 a5 31. Nf4 a4 32. Qg4 Kh7 33. h4 Rdd8 34. h5 {[%cal Rh5g6]} Rg8 $2 {[%mdl 8192]} ({Better is} 34... Qg5 $14 35. hxg6+ fxg6 36. Qxg5 hxg5) 35. hxg6+ $18 fxg6 36. Rh3 {Hoping for Ne6.} Rde8 37. Re2 $2 (37. Rdd3 $18) 37... Qe5 $2 {[%mdl 8192]} (37... Qd7 $16 {is a better chance.} 38. Qxd7+ Nxd7) 38. Ree3 Ref8 {[#]} (38... axb3 $18 39. axb3 g5) 39. Ne6 (39. Rxh6+ $142 $1 {[%mdl 512]} Kxh6 40. Rh3+ Qh5 41. Rxh5+ (41. Qxh5+ $2 {perishes.} gxh5 42. Rxh5+ Kg7 $19) 41... gxh5 42. Qxh5+ Kg7 43. Qg6+ {[%mdl 64] Double Attack} Kh8 44. Qh6#) 39... Re8 {[#]} 40. Rxh6+ $1 {[%mdl 576] Clearance. White mates.} Kxh6 41. Rh3+ Qh5 42. Qg5+ {[%mdl 64] Pin} Kh7 43. Rxh5+ gxh5 44. Qxh5# {Accuracy: White = 78%, Black = 61%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.07"]
[Round "2.19"]
[White "Scheckenbach, Franz"]
[Black "Goriatchkin, Jouri"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "2101"]
[BlackElo "2310"]
[Annotator "RC"]
[PlyCount "132"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 2. d3 {[%emt 0:00:00]} d5 {[%emt 0:00:07]} 3. Qe2 {[%emt 0:00:30]} Nf6 {[%emt 0:02:13]} 4. g3 {[%emt 0:01:26]} dxe4 {[%emt 0:03:35]} 5. dxe4 {[%emt 0:00:13]} e5 {[%emt 0:00:02]} 6. Nf3 {[%emt 0:03:39]} Nc6 {[%emt 0:01:16]} 7. Bg2 {[%emt 0:01:36]} Bg4 {[%emt 0:06:26]} 8. c3 {[%emt 0:06:48]} Qd7 {[%emt 0:07:11]} 9. Bg5 {[%emt 0:07:07]} Be7 {[%emt 0:01:35]} 10. Nbd2 {[%emt 0:03:32]} h6 {[%emt 0:03:36]} 11. Be3 {[%emt 0:02:27]} Bh3 {[%emt 0:03:46]} 12. Bxh3 {[%emt 0:06:57]} Qxh3 {[%emt 0:00:02]} 13. Nh4 {[%emt 0:00:13]} O-O-O {[%emt 0:06:06]} 14. f3 {[%emt 0:07:47]} Nh5 {[%emt 0:06:23]} 15. Nf5 {[%emt 0:02:00]} Bf6 {[%emt 0:03:42]} 16. Bf2 {[%emt 0:04:38]} Bg5 {[%emt 0:02:12]} 17. Ne3 {[%emt 0:02:45]} Bxe3 {[%emt 0:01:16]} 18. Qxe3 {[%emt 0:00:19]} Rd7 {[%emt 0:05:16]} 19. O-O-O {[%emt 0:14:50]} Rhd8 {[%emt 0:00:40]} 20. Qe1 {[%emt 0:03:00]} Qe6 {[%emt 0:05:41]} 21. Kb1 {[%emt 0:00:55]} Rd3 {[%emt 0:06:10]} 22. Qe2 {[%emt 0:02:13]} Qd7 {[%emt 0:06:22]} 23. Kc2 {[%emt 0:01:51]} Na5 {[%emt 0:09:48]} 24. Nb3 {[%emt 0:02:55]} Rxd1 {[%emt 0:00:30]} 25. Rxd1 {[%emt 0:00:08]} Qxd1+ {[%emt 0:00:16]} 26. Qxd1 {[%emt 0:00:06]} Rxd1 {[%emt 0:00:03]} 27. Kxd1 {[%emt 0:00:06]} Nxb3 {[%emt 0:00:52]} 28. axb3 {[%emt 0:00:05]} b6 {[%emt 0:01:14]} 29. Ke2 {[%emt 0:00:26]} Kd7 {[%emt 0:00:45]} 30. Kd3 {[%emt 0:00:14]} Kc6 {[%emt 0:01:22]} 31. c4 {[%emt 0:08:03]} Nf6 {[%emt 0:00:28]} 32. b4 {[%emt 0:00:21]} a6 {[%emt 0:00:41]} 33. Be1 {[%emt 0:00:47]} Nd7 {[%emt 0:06:00]} 34. Bc3 {[%emt 0:01:27]} Kd6 {[%emt 0:03:09]} 35. f4 {[%emt 0:02:16]} g6 {[%emt 0:00:49]} 36. Ke3 {[%emt 0:01:37]} Ke6 {[%emt 0:00:57]} 37. Kf3 {[%emt 0:03:54]} h5 {[%emt 0:01:09]} 38. h3 {[%emt 0:02:08]} exf4 {[%emt 0:03:24]} 39. gxf4 {[%emt 0:02:42]} b5 {[%emt 0:00:20]} 40. b3 {[%emt 0:00:00]} Nb6 {[%emt 0:00:00]} 41. cxb5 {[%emt 0:11:25]} axb5 {[%emt 0:01:31]} 42. Bd4 {[%emt 0:01:48]} Nd7 {[%emt 0:01:10]} 43. Ke3 {[%emt 0:01:36]} f5 {[%emt 0:08:12]} 44. e5 {[%emt 0:12:39]} Kd5 {[%emt 0:03:13]} 45. h4 {[%emt 0:01:06]} Nf8 {[%emt 0:01:22]} 46. Bc5 {[%emt 0:01:12]} Ne6 {[%emt 0:00:22]} 47. Ba7 {[%emt 0:00:48]} Nd8 {[%emt 0:06:20]} 48. Bc5 {[%emt 0:01:08]} Nc6 {[%emt 0:00:52]} 49. Kf3 {[%emt 0:01:17]} Nd8 {[%emt 0:01:20]} 50. Ke3 {[%emt 0:00:06]} Ne6 {[%emt 0:01:06]} 51. Ba7 {[%emt 0:00:13]} Kc6 {[%emt 0:06:47]} 52. Bd4 {[%emt 0:00:54]} Nd8 {[%emt 0:00:27]} 53. Bc5 {[%emt 0:00:57]} Kd5 {[%emt 0:00:12]} 54. Bd4 {[%emt 0:00:45]} Nc6 {[%emt 0:01:17]} 55. Bc5 {[%emt 0:00:12]} Nb8 {[%emt 0:00:31]} 56. Ba7 {[%emt 0:00:37]} Na6 {[%emt 0:01:08]} 57. Bc5 {[%emt 0:05:28]} Nxc5 {[%emt 0:01:17]} 58. bxc5 {[%emt 0:00:04]} Kxc5 {[%emt 0:00:02]} 59. b4+ {[%emt 0:00:06]} Kd5 {[%emt 0:00:13]} 60. Kd3 {[%emt 0:00:08]} c5 {[%emt 0:00:07]} 61. bxc5 {[%emt 0:00:04]} Kxc5 {[%emt 0:00:02]} 62. Kc3 {[%emt 0:00:10]} Kd5 {[%emt 0:00:15]} 63. Kb4 {[%emt 0:00:06]} g5 {[%emt 0:00:40]} 64. fxg5 {[%emt 0:01:35]} f4 65. g6 Ke6 66. g7 f3 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.07"]
[Round "2.20"]
[White "Tolstikh, Nikolay"]
[Black "Arndt, Olaf"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2320"]
[BlackElo "1887"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,63,33,13,33,65,22,89,78,93,89,108,72,56,-3,136,126,128,95,69,73,84,24,76,77,101,102,150,157,217,58,137,149,265,252,592,566,566,529,518,259,423,407,29991,29992]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 d5 7. Bb5 Ne4 8. cxd4 Bb4+ 9. Bd2 Nxd2 10. Nbxd2 O-O {The main line 10...0-0 scores better than 10...Bd7.} 11. Bxc6 bxc6 12. O-O {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} Rb8 13. Qc2 {[#]} Rb6 $146 (13... c5 $11) ({Predecessor:} 13... Bg4 14. a3 Bxd2 15. Nxd2 Qg5 16. f4 Qf5 17. Qxf5 Bxf5 18. b4 a5 19. bxa5 Rb2 {0-1 (56) Welker,A (1383)-Wurmbauer,N (1736) Neustadt an der Weinstrasse 2020}) 14. a3 $16 {White is better.} Bxd2 15. Nxd2 Qh4 16. Qc3 c5 17. Nf3 (17. dxc5 $6 d4 $11) (17. Qxc5 $14 Ba6 18. Nf3) 17... Qf4 (17... cxd4 $11 18. Qc5 Qh5 19. Qxd4 Rg6) 18. dxc5 Rg6 19. Kh1 Qg4 {[%csl Gg6][%cal Rg4g2] [#]} 20. Rg1 Qh5 21. h3 (21. b4 $16) 21... Rh6 (21... Rg4 $1 $11) 22. Nh2 f6 23. Rae1 {[%cal Ba1e1,Be1e5,Be5g5][%mdl 32]} fxe5 24. Rxe5 Qg6 (24... Qf7 $16 25. Rge1 Re6) 25. Qg3 $2 ({White should play} 25. Rxd5 $18 {Hoping for f3.} Be6 26. Rd2) 25... Qc2 (25... Qxg3 $14 26. fxg3 Bf5) 26. Rg5 Rf7 (26... Qxb2 $16 27. Qxc7 Re6) 27. Rxd5 $40 {[%mdl 128] [#] Rd8+ is the strong threat. White wants a kill.} Bb7 $2 (27... Rf8 {is more resistant.} 28. Qxc7 Qxb2) 28. Rd8+ Rf8 29. Rxf8+ Kxf8 30. Re1 Rg6 $2 (30... Qxc5 {was called for.} 31. Ng4 Rh5) 31. Ng4 ({Don't take} 31. Qf4+ Rf6 $18) 31... Qxc5 (31... Qd2 $18) 32. Qf4+ {Accuracy: White = 49%, Black = 24%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.07"]
[Round "2.21"]
[White "Dahl, Fredrik A"]
[Black "Cummings, David H."]
[Result "1/2-1/2"]
[ECO "A45"]
[BlackElo "2342"]
[Annotator "TA"]
[PlyCount "119"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,119,0,5,0,0,0,6,0,16,-13,0,0,0,-21,0,19,6,0,0,-4,-4,-14,0,7,10,0,5,-33,0,0,0,-14,4,4,4,7,6,0,3,0,12,12,29,20,32,19,25,20,29,30,29,32,56,31,35,32,63,58,68,33,33,33,43,44,104,39,33,34,22,13,16,0,0,0,0,0,0,0,0,0,0,0,0,0,8,0,0,0,0,0,8,8,8,8,8,8,8,8,12,8,18,0,0,0,8,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Bg5 d5 3. e3 Nbd7 4. Nd2 h6 5. Bf4 e6 6. Bd3 {D00: 1 d4 d5: Unusual lines.} c5 7. c3 Be7 8. Ngf3 b6 9. e4 {[#]} dxe4 $146 ({Predecessor:} 9... Bb7 10. Qe2 O-O 11. O-O Re8 12. e5 Nh7 13. Qe3 c4 14. Bc2 Ndf8 15. Ba4 Nd7 {½-½ (54) Fomina,Y-Zhichkin,D St Petersburg 1999}) 10. Nxe4 O-O 11. Nd6 (11. Nxf6+ {looks sharper.} Nxf6 12. dxc5 Bxc5 13. Qe2 Qd5 14. Be5) 11... Bxd6 12. Bxd6 Re8 13. dxc5 Nxc5 14. Bxc5 bxc5 15. Bb5 Bd7 16. Bxd7 Nxd7 17. O-O Qc7 18. b3 Nf8 19. Qe2 Ng6 20. Rad1 Rad8 21. g3 Ne7 22. Ne5 Rd5 23. Nc4 Red8 24. Ne3 Rxd1 25. Rxd1 Ng6 26. Nc4 Rd5 27. Rd2 Qd7 28. Qe3 h5 29. h4 f6 30. Qe2 Nf8 31. Kf1 g6 32. Ke1 Rxd2 33. Qxd2 Qc6 34. Kd1 Kf7 35. Kc2 Qe4+ 36. Kb2 {[#] Nd6+ is the strong threat.} Qc6 (36... Qd5 $14) 37. Qd6 (37. Qd8 $16) 37... Qxd6 $14 38. Nxd6+ {[%mdl 4096] Endgame KN-KN} Ke7 $1 {[%cal Re7d6]} 39. Ne4 {The position is equal.} Nd7 40. Kc2 f5 41. Nd2 e5 42. Kd3 Kd6 43. b4 e4+ 44. Ke3 cxb4 45. cxb4 Kd5 46. f3 Nf6 47. a3 {[%cal Ba2a3,Ba3a4,Ba4b5][%mdl 32]} Ke5 48. Nc4+ Kd5 49. Na5 a6 50. a4 Nd7 51. fxe4+ fxe4 52. b5 axb5 53. axb5 Nb6 54. Nc6 Nc4+ 55. Ke2 Ke6 56. Nb4 g5 57. Nc2 gxh4 58. gxh4 Kd5 59. Ne3+ Nxe3 $1 60. Kxe3 {Accuracy: White = 87%, Black = 91%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.07"]
[Round "2.22"]
[White "Plotkin, Victor"]
[Black "Berg, Anders Hoyer"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2339"]
[BlackElo "2036"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,75,21,13,14,16,8,17,10,12,-2,5,-32,-26,-25,0,0,0,0,0,-5,0,-44,0,-2,19,0,10,0,32,34,60,52,62,60,54,54,71,60,70,66,71,71,71,69,287,282,260,276,348,364,361,324,584,572,570,554,593,583]} 1. e4 c5 2. Nf3 e6 3. b3 Nc6 4. Bb2 d6 5. d4 cxd4 6. Nxd4 Nf6 7. Bd3 Be7 8. O-O e5 9. Nxc6 bxc6 10. Nd2 O-O 11. Nc4 {B40: Sicilian: 2...e6, Unusual lines.} Be6 12. Qe2 Nd7 13. Rad1 {[#] The position is equal.} Qc7 $146 ({Predecessor:} 13... Nc5 14. Ne3 Nxd3 15. Rxd3 Qa5 16. a4 f5 17. exf5 Bxf5 18. Nxf5 Rxf5 19. Qe4 Raf8 {0-1 (39) Fernandes Filho,B (2132)-Mello Sales,C (1914) Sao Luis 2016}) 14. Qe3 f6 15. Qd2 Nc5 16. Ne3 Nxd3 17. Qxd3 Rfd8 18. c4 a5 19. Bc3 Rd7 20. Rc1 Rdd8 21. Rfd1 Rdb8 22. h3 Rd8 23. Bb2 Rd7 24. Nd5 Bxd5 25. cxd5 c5 26. Rc4 Bd8 27. Ra4 $36 {[%mdl 2048] White has the initiative.} Qb8 28. Rc1 Rb7 29. Bc3 Kf7 30. Bd2 Rba7 31. Qf3 {aiming for Qh5+.} Qc8 $2 {This move loses the game for Black.} (31... Bb6 $14) 32. Qh5+ $18 {[%mdl 64] [#] Double Attack} Kf8 33. Qxh7 g5 34. Qh8+ Kf7 35. Rc3 Bb6 $2 {[#]} (35... Be7 36. Qh7+ Ke8) 36. Qh7+ {White is clearly winning.} Kf8 37. Qh6+ Kf7 38. Rf3 {Accuracy: White = 91%, Black = 64%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.07"]
[Round "2.23"]
[White "Johnsen, Sylvia"]
[Black "Findlay, Ian T."]
[Result "1-0"]
[ECO "B25"]
[WhiteElo "1853"]
[BlackElo "2159"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,96,4,14,-6,8,0,18,-16,-4,-4,-7,-18,-19,-34,-19,-29,-8,-8,-6,-11,25,18,22,9,15,12,10,0,0,0,0,0,22,0,0,0,0,0,-18,-103,-92,-100,-99,-123,-154,-151,-114,-121,-137,-145,-92,-96,-111,-81,-18,-33,-4,-2,12,0,0,-43,-40,-48,-47,-129,-122,-127,-118,-96,0,0,0,0,0,0,0,0,29998,29999,29999]} 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nge2 e6 7. O-O Nge7 8. Bg5 h6 9. Be3 Nd4 10. Qd2 {B25: Closed Sicilian: 3 g3, lines without early Be3.} Bd7 11. Rab1 Bc6 12. a3 {The position is equal.} Qd7 (12... d5 $5 {[%cal Rd4e2]} 13. Qc1 Rc8 $11) 13. b4 b6 14. f4 {[#]} h5 $146 ({Predecessor:} 14... O-O 15. g4 f5 16. gxf5 exf5 17. Ng3 d5 18. bxc5 bxc5 {1-0 (49) Pruijssers,R (2514)-Zucchelli,M (2089) Ortisei 2018}) 15. h3 Rd8 (15... O-O {looks sharper.} 16. bxc5 bxc5 17. Bf2 e5 18. Be3 Rab8) 16. Nd1 {[%cal Bc3d1,Bd1f2,Bf2h3,Bh3g5][%mdl 32]} Nxe2+ 17. Qxe2 O-O 18. Nf2 f5 19. h4 d5 20. bxc5 d4 21. Bd2 bxc5 22. Nh3 fxe4 23. Bxe4 Nf5 $36 {[%mdl 2048] Black is pushing.} 24. Kh2 Rde8 25. Ng5 e5 26. Qg2 Bxe4 27. dxe4 Nh6 28. Qf3 (28. Qe2 $11 {remains equal.}) 28... Ng4+ $17 29. Kg1 c4 $1 {[%cal Bc5c4,Bc4c3][%mdl 32]} 30. Rb4 c3 31. Bc1 a5 32. Rb3 exf4 33. gxf4 {[#]} Ne5 $1 {[%mdl 512]} 34. Qh3 (34. fxe5 Rxf3) 34... Qxh3 35. Nxh3 Nc4 (35... d3 $17 {And now ...d2 would win.} 36. Rxc3 Nf3+ {[%mdl 64] Discovered Attack} 37. Rxf3 Bxc3 38. cxd3 Rb8) 36. e5 $1 $11 Rc8 37. Rd1 Rfd8 38. Rd3 Bf8 {White must now prevent ...a4.} 39. Kg2 a4 40. Rb7 Rc6 ({But not} 40... Nxa3 $2 41. Rg3 $1 $18 {[%mdl 512]}) 41. Ra7 (41. Ng5 $15) 41... Bxa3 $17 42. Bxa3 Nxa3 43. f5 {[#] Threatens to win with f6.} Nxc2 (43... Nc4 $1 $17 {[%cal Rc4e5]} 44. Rxa4 Ne3+ 45. Rxe3 dxe3) 44. f6 $1 $11 {Threatening mate with Nf4.} Ne1+ {[%mdl 64] Double Attack} 45. Kg1 {Nf4! would kill now.} Nxd3 46. Ng5 {White threatens Rg7+ and mate.} Nxe5 47. Rg7+ Kf8 $2 {[%mdl 8192]} (47... Kh8 $11 48. Rh7+ Kg8 49. Rg7+ Kh8 50. Rh7+ Kg8 51. Rg7+) 48. Nh7+ Ke8 49. Re7# {Never resign too early! Accuracy: White = 83%, Black = 81%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.07"]
[Round "2.24"]
[White "Barron, Michael"]
[Black "Harstad, Christian"]
[Result "1-0"]
[ECO "B54"]
[WhiteElo "2075"]
[BlackElo "1854"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,89,69,58,59,50,78,72,64,64,70,62,54,53,51,37,47,0,0,0,0,0,0,0,25,26,81,45,160,153,140,145,188,186,186,175,187,188,197,193,192,183,183,172,189,195,214,196,226,157,186,181,264,270,254,250,360,346,492,488,489,487,474,475,477,475,454,464,508,405,1002,951]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 g6 6. c4 Bg7 7. Be3 O-O 8. Nc3 Nc6 9. Qd2 Bd7 10. Be2 Qa5 11. O-O Rfc8 {B38: Sicilian: Maroczy Bind with 5...Bg7 and 7...0-0.} 12. Rfd1 Ne5 13. b3 a6 {White is better.} 14. Rac1 Rab8 {[#]} 15. Rc2 $146 ({Predecessor:} 15. Nd5 Qxd2 16. Bxd2 Nxd5 17. cxd5 Nd3 18. Bxd3 Bxd4+ 19. Kf1 Bb2 20. Rxc8+ Rxc8 21. Ke2 {½-½ (71) Kalyoncu,I (1621)-Yasin,H (2078) Istanbul 2015}) 15... Qd8 16. h3 Nc6 17. a4 Nh5 18. Nd5 e5 19. Nxc6 bxc6 20. Nc3 Be6 21. Rb2 Nf4 22. Bf1 $1 ({But not} 22. Qxd6 $2 Qg5 $1 $19 {[%mdl 512]}) 22... Qa5 (22... a5 $11) 23. Kh2 Rd8 {[#] White leaves nothing to chance now.} (23... Qb4 $14) 24. b4 $1 $36 {[%cal Rb4a5][%mdl 2048] White is on the roll.} Qc7 {[#]} 25. a5 $1 d5 {Strongly threatening ...d4.} 26. Bb6 Rxb6 27. axb6 Qxb6 28. cxd5 cxd5 29. Na4 ({Much less strong is} 29. Nxd5 Nxd5 30. Bc4 Bf6 $16) 29... Qa7 30. Nc5 Bf6 31. Qf2 ({Weaker is} 31. Bxa6 dxe4 32. Qxd8+ Bxd8 $14) 31... d4 32. g3 Nh5 33. Bxa6 Bg5 34. Bf1 Qe7 {With the idea ...Nxg3.} 35. Nxe6 fxe6 (35... Qxe6 {is a better defense.} 36. b5 Rb8) 36. Kg2 $18 Be3 37. Qe1 Rf8 (37... Rc8 $142 38. Be2 Nf6) 38. b5 {[%cal Bb4b5,Bb5b6][%mdl 32]} Qg5 (38... Qa3 {keeps fighting.}) 39. b6 Nf4+ 40. Kh2 Nh5 41. h4 Qf6 {intending ...Nxg3.} 42. Be2 g5 {Hoping for ...gxh4.} 43. g4 Qf4+ 44. Kh3 {Threatens to win with b7.} gxh4 (44... Nf6 $142) 45. gxh5 {Accuracy: White = 86%, Black = 50%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.07"]
[Round "2.25"]
[White "Kozak, Milos"]
[Black "Schulz, Klaus-Juergen"]
[Result "1/2-1/2"]
[ECO "D27"]
[WhiteElo "2174"]
[BlackElo "2331"]
[Annotator "TA"]
[PlyCount "32"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,32,22,25,39,35,30,33,32,17,32,32,43,31,36,42,27,24,27]} 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. b3 Nc6 8. Bb2 cxd4 9. Nxd4 Nxd4 {D27: Queen's Gambit Accepted: Classical main line: 7 e4!? and 7 a4.} 10. Qxd4 Qxd4 11. Bxd4 Bd7 {White is slightly better.} 12. Nd2 {[%cal Bb1d2,Bd2c4,Bc4a5][%mdl 32]} Bc6 13. Be2 Bb4 14. Nc4 {[#]} Nd7 $146 ({Predecessor:} 14... b5 15. Ne5 Bd5 16. a4 bxa4 17. Rxa4 a5 18. Bb5+ Ke7 19. Rxb4 axb4 20. Bc5+ Kd8 {1-0 (41) Szekely,P (2505)-Archangelsky,M (2270) Cappelle-la-Grande 1994}) 15. a3 Be7 16. Na5 Bd5 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.07"]
[Round "2.26"]
[White "Maier, Christian"]
[Black "Bartos, Jan"]
[Result "1-0"]
[ECO "C17"]
[WhiteElo "2294"]
[BlackElo "2102"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,79,-12,0,-11,-12,-14,-8,-15,26,0,22,10,20,0,35,-7,70,66,77,70,183,190,197,179,181,180,166,85,88,59,67,33,60,57,126,131,120,56,134,113,245,250,239,141,155,56,39,12,208,183,123,111,1577,1588,2228,2208,2072,2083,1845,1824,29989,29990,29990,29991,29991,29992,29992,29993,29994,29995]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. dxc5 Ne7 6. Nf3 Nd7 {outshines the older 6...Nbc6.} 7. Bd3 {C17: French: 3 Nc3 Bb4 4 e5 c5 sidelines.} Nxc5 8. O-O Bxc3 9. bxc3 {[#] The position is equal.} Ng6 $146 ({Predecessor:} 9... Bd7 10. Re1 Rc8 11. Rb1 a6 12. Ba3 b5 13. Nd4 Ng6 14. Re3 Na4 15. Qf3 Qg5 {½-½ (41) Dominguez Perez,L (2752)-Rapport,R (2730) Novi Sad 2016}) 10. Re1 O-O 11. Rb1 {[%cal Ba1b1,Bb1b4,Bb4g4][%mdl 32]} Qc7 12. Rb4 Bd7 13. Rg4 Qa5 ({Black should play} 13... Nxd3 $11 14. Qxd3 Rac8) 14. h4 $14 Nxd3 ({Of course not} 14... Qxa2 15. h5 $16) 15. cxd3 Qxc3 (15... h5 $1 $14 16. Rb4 Rfc8) 16. h5 $18 Ne7 17. Bh6 g6 18. Bxf8 Rxf8 19. d4 (19. Qb1 $18) 19... Rc8 $16 20. Rf4 Qc2 21. Qa1 Rc4 22. hxg6 hxg6 (22... Nxg6 $14 23. Rf6 b6) 23. g4 $1 Nc6 24. a3 ({White should try} 24. Kg2 $1 $16 {Rh1 is the strong threat.} Qc3 25. Qxc3 Rxc3 26. Ng5) 24... Rc3 (24... Na5 $14) 25. Kg2 $1 Na5 (25... g5 $16 26. Rf6 (26. Nxg5 Qd2 $16) 26... Be8) 26. Rh1 $1 $18 Nc4 {[#]} 27. Qg1 (27. Qb1 $1 $18 {[%cal Rb1b4] Black must now prevent Qb4.} Qxb1 28. Rxb1) 27... Qe2 $16 28. Qe1 ({Stronger than} 28. Qh2 Ne3+ 29. Kg3 Nf1+ 30. Rxf1 Qxf1 $11) (28. Qb1 $16 {aiming for Qb4.} Rxf3 {[%mdl 64] Remove Defender} 29. Rxf3) 28... Qxe1 29. Rxe1 {And now Ng5 would win.} Rxa3 $2 (29... Nxa3 $11 {and Black stays safe.} 30. Ng5 Be8) 30. Ng5 Be8 31. Rh1 {[%mdl 1024] White has strong compensation.} b5 $2 {[%mdl 8192] [#]} (31... Kg7 $16) 32. Nh7 $1 $18 {[%cal Rh7f6] White threatens Nf6+ and mate.} Bc6 33. Nf6+ Kf8 34. Rh8+ Ke7 35. Ng8+ Kf8 36. g5 {White mates.} Kg7 37. Rfh4 Kf8 38. Nf6+ Ke7 39. Rc8 Rc3 40. Rhh8 {Accuracy: White = 66%, Black = 45%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.07"]
[Round "2.27"]
[White "Chaloupka, Vladimir"]
[Black "Wolf, Volker"]
[Result "1/2-1/2"]
[ECO "A90"]
[WhiteElo "2058"]
[BlackElo "2278"]
[Annotator "ChessBase"]
[PlyCount "116"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:04]} f5 {[%emt 0:00:07]} 3. g3 {[%emt 0:00:28]} Nf6 {[%emt 0:00:08]} 4. Bg2 {[%emt 0:01:01]} d5 {[%emt 0:00:14]} 5. Nc3 {[%emt 0:01:03]} c6 {[%emt 0:00:34]} 6. Nf3 {[%emt 0:01:27]} Bd6 {[%emt 0:00:27]} 7. O-O {[%emt 0:01:39]} O-O {[%emt 0:00:47]} 8. Ne5 {[%emt 0:04:45]} Bxe5 {[%emt 0:11:55]} 9. dxe5 {[%emt 0:00:16]} Ng4 {[%emt 0:00:07]} 10. cxd5 {[%emt 0:02:35]} cxd5 {[%emt 0:04:15]} 11. b3 {[%emt 0:01:46]} Nxe5 {[%emt 0:02:40]} 12. Nb5 {[%emt 0:03:46]} a6 {[%emt 0:02:37]} 13. Nd4 {[%emt 0:02:12]} Nbc6 {[%emt 0:00:30]} 14. Bb2 {[%emt 0:01:37]} Rf7 {[%emt 0:02:09]} 15. Rc1 {[%emt 0:03:19]} Nxd4 {[%emt 0:01:53]} 16. Qxd4 {[%emt 0:01:18]} Nc6 {[%emt 0:00:12]} 17. Qd2 {[%emt 0:00:58]} Bd7 {[%emt 0:03:21]} 18. Bf3 {[%emt 0:02:56]} Be8 {[%emt 0:02:24]} 19. h4 {[%emt 0:05:31]} Rc8 {[%emt 0:03:56]} 20. Rfd1 {[%emt 0:02:21]} Rd7 {[%emt 0:02:53]} 21. b4 {[%emt 0:08:16]} Na7 {[%emt 0:02:08]} 22. Qe3 {[%emt 0:05:08]} Rxc1 {[%emt 0:02:50]} 23. Rxc1 {[%emt 0:00:11]} Nc6 {[%emt 0:00:28]} 24. Qxe6+ {[%emt 0:02:19]} Bf7 {[%emt 0:01:09]} 25. Qxf5 Nxb4 26. Qe5 {[%emt 0:07:03]} d4 {[%emt 0:02:16]} 27. a3 {[%emt 0:05:44]} Nc6 {[%emt 0:01:11]} 28. Bxc6 {[%emt 0:01:19]} bxc6 {[%emt 0:00:01]} 29. Rxc6 {[%emt 0:02:57]} Rd5 {[%emt 0:03:03]} 30. Qf4 {[%emt 0:02:32]} Qe8 {[%emt 0:10:06]} 31. Rc7 {[%emt 0:10:54]} Rd7 {[%emt 0:16:09]} 32. Rxd7 {[%emt 0:02:41]} Qxd7 {[%emt 0:00:18]} 33. Bxd4 {[%emt 0:00:13]} h6 {[%emt 0:03:29]} 34. Qe5 {[%emt 0:01:21]} Bc4 {[%emt 0:02:30]} 35. Kf1 {[%emt 0:03:34]} Qb7 {[%emt 0:03:05]} 36. Kg1 {[%emt 0:00:14]} Qd7 {[%emt 0:00:41]} 37. Bc3 {[%emt 0:00:41]} Bb5 {[%emt 0:02:14]} 38. f3 {[%emt 0:01:29]} Bc6 {[%emt 0:03:20]} 39. Kf2 {[%emt 0:00:14]} Qf7 {[%emt 0:00:40]} 40. g4 {[%emt 0:01:03]} Bb7 {[%emt 0:01:31]} 41. g5 {[%emt 0:00:23]} hxg5 {[%emt 0:02:40]} 42. Qxg5 {[%emt 0:02:00]} Bc6 {[%emt 0:01:28]} 43. h5 {[%emt 0:11:58]} Kh7 {[%emt 0:02:48]} 44. f4 {[%emt 0:02:00]} Be4 {[%emt 0:06:33]} 45. Bd4 {[%emt 0:00:58]} Bc2 {[%emt 0:02:03]} 46. Kg3 {[%emt 0:02:34]} Bb1 {[%emt 0:01:25]} 47. Kh4 {[%emt 0:01:03]} Qd7 {[%emt 0:11:53]} 48. Qe5 {[%emt 0:01:08]} Qb7 {[%emt 0:00:55]} 49. Kg3 {[%emt 0:01:04]} Bc2 {[%emt 0:02:53]} 50. f5 {[%emt 0:01:14]} Qf7 {[%emt 0:01:58]} 51. e4 {[%emt 0:02:08]} Bd1 {[%emt 0:01:23]} 52. h6 {[%emt 0:04:07]} Kxh6 {[%emt 0:00:26]} 53. Qd6+ {[%emt 0:00:41]} Kh7 {[%emt 0:01:17]} 54. Qxa6 {[%emt 0:01:21]} Qh5 {[%emt 0:01:26]} 55. Qd3 {[%emt 0:02:27]} Qg4+ {[%emt 0:03:36]} 56. Kf2 {[%emt 0:00:11]} Qf4+ {[%emt 0:02:15]} 57. Kg2 {[%emt 0:02:16]} Qg4+ {[%emt 0:00:19]} 58. Kf2 {[%emt 0:00:36]} Qf4+ {[%emt 0:00:05]} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.07"]
[Round "2.28"]
[White "Polster, Wolfgang"]
[Black "Chaloupka, Frantisek"]
[Result "1-0"]
[ECO "B88"]
[WhiteElo "2201"]
[BlackElo "1990"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,87,16,18,33,33,20,30,14,22,19,32,17,38,16,14,16,41,28,39,42,31,39,50,31,31,16,26,7,19,0,42,23,79,83,106,7,20,19,36,32,33,41,65,12,171,173,222,224,255,227,240,246,481,217,297,296,296,295,284,279,350,347,334,339,319,297,405,345,350,297,389,312,487,293,503,494]} 1. e4 c5 2. Nc3 d6 3. Bc4 Nc6 4. Nf3 Nf6 5. d4 cxd4 6. Nxd4 e6 7. O-O a6 8. Nxc6 {B88: Sicilian: Sozin Attack.} bxc6 9. Re1 Be7 10. Bb3 {White has an edge.} O-O 11. Bf4 {[#]} e5 $146 ({Predecessor:} 11... d5 12. exd5 cxd5 13. Qf3 Re8 14. Rad1 e5 15. Nxd5 Bg4 16. Nxf6+ Bxf6 17. Qxg4 Qa5 18. Bd2 Qc7 19. Bg5 Qb6 20. Bxf6 Qxf6 21. Rd7 Re7 22. Red1 Rae8 23. R1d6 {1-0 (23) Cespedes Alba,G (1801)-Horvath,O (1900) Austria 2017}) 12. Bg5 Ng4 13. Bxe7 Qxe7 14. Qe2 Be6 15. Rad1 Bxb3 16. axb3 Nf6 17. Qc4 Qc7 18. Re3 Rfd8 19. Red3 Rd7 20. g3 h6 21. Kg2 Ne8 22. Na4 Nf6 {[#]} (22... Rdd8 $11 {remains equal.}) 23. Rc3 $1 $16 Rc8 24. Qe2 (24. Qxa6 $16 Rdd8 25. Nb6) 24... Qb7 25. Rcd3 Rcd8 26. f3 a5 27. Qe3 $36 {[%mdl 2048] Strongly threatening Nb6. White fights for an advantage.} Rb8 28. Rxd6 (28. Qd2 $14) 28... Rxd6 $2 {Black cannot hold the game after this.} (28... Nd5 $1 $11 {and Black is okay.} 29. R1xd5 (29. Qc5 Rxd6 {[%mdl 64] Overworked Piece} 30. Qxd6 Ne3+ {[%mdl 64] Double Attack} 31. Kf2 Nxd1+ 32. Qxd1 Qe7 $17) 29... cxd5) 29. Rxd6 $18 Ne8 30. Rd3 Nc7 31. Nc5 {[%cal Ba4c5,Bc5d7,Bd7b6,Bb6c4][%mdl 32]} Qc8 32. Qd2 {aiming for Nd7.} Nb5 $2 (32... Ne6) 33. c3 (33. Nd7 $142 Rb7 34. Nxe5) 33... Qe8 34. Nd7 Rc8 35. Nb6 Rb8 36. Nc4 Qe6 37. Rd8+ (37. Nxa5 Qe8 $18) 37... Rxd8 38. Qxd8+ {[%mdl 64] [#] Double Attack} Kh7 {Now ...a4 and Black clings on.} 39. Nxa5 ({Don't do} 39. Qxa5 $6 Qd7 $18) 39... g5 40. Qd3 h5 41. Nc4 g4 42. Qd1 Kg6 (42... f6 $142 43. fxg4 hxg4) 43. Ne3 Nd6 $2 (43... gxf3+ 44. Qxf3 Nd6) 44. fxg4 {Accuracy: White = 69%, Black = 43%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.07"]
[Round "2.29"]
[White "Pilar, Miloslav"]
[Black "Sokolin, Leonid"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2056"]
[BlackElo "2496"]
[Annotator "TA"]
[PlyCount "127"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,127,12,9,21,-1,7,0,11,13,0,-17,-1,-4,-6,-24,-19,-19,-19,-19,-18,-17,-27,-21,-20,-21,-21,-34,-28,-37,-19,-32,-10,-12,-7,-8,-8,-12,-10,-16,-7,-15,0,0,0,-45,-45,-45,-45,-66,-52,-52,-31,-52,-52,-52,-52,-52,-52,-52,-52,-52,-52,-52,-45,-52,-45,-52,-45,-52,-52,-56,-53,-54,-55,-105,-87,-91,-105,-105,-105,-105,-66,-135,-24,-75,-75,-81,-15,-88,-70,-70,-49,-77,-70,-143,-108,-141,-141,-145,-145,-145,-145,-145,-108,-145,-145,-145,-145,-145,-145,-145,-60,-12837,-12837,-12838,-12839,-12847,-12848,-29993]} 1. d4 e6 2. Nf3 c5 3. c3 Nf6 4. Bf4 Be7 5. e3 Nc6 6. Nbd2 Nh5 {A46: 1 d4 Nf6 2 Nf3 e6: Torre, London and Colle Systems.} 7. Bg3 {[#]} h6 $146 ({Predecessor:} 7... Nxg3 8. hxg3 d5 9. Bd3 h6 10. Qe2 cxd4 11. exd4 Qb6 12. O-O-O Bd7 13. g4 O-O-O 14. Qe3 {1-0 (49) Matlakov,M (2694)-Bartel,M (2641) Tallinn 2016}) 8. Be2 Nxg3 {The position is equal.} 9. hxg3 d5 10. O-O O-O 11. dxc5 Bxc5 12. e4 dxe4 13. Nxe4 Be7 14. Qxd8 Rxd8 15. Rfd1 Bd7 16. Nd6 Rab8 17. Rd2 e5 18. Rad1 Be6 19. b3 a6 20. Nc4 e4 21. Rxd8+ Rxd8 22. Rxd8+ Bxd8 23. Nfd2 f5 24. Nd6 b5 25. a4 Bg5 (25... bxa4 {with more complications.} 26. bxa4 Bc7 27. Nb7 a5 28. Nc5 Bf7) 26. axb5 axb5 27. Bxb5 (27. f4 {is more complex.} exf3 28. Nxf3 Be7 29. Nxb5 Bc5+ 30. Nbd4) 27... Bxd2 28. Bxc6 Bxc3 $11 {[%mdl 4096] Endgame KBB-KBN} 29. Nc4 Bd4 30. Kf1 g5 31. Ke2 Kg7 32. f3 exf3+ 33. gxf3 Kf6 34. Kf1 Bc5 35. Kg2 Ke7 36. Kf1 Kd8 37. Kg2 Kc7 38. Ba8 Ba7 39. Kf1 Kd7 40. Kg2 Ke7 41. Bc6 h5 42. Kh3 Bb8 43. Bb7 Bc7 44. Ba8 Kf6 45. Bc6 Bf7 46. Bb7 (46. Kg2 $15) 46... Bg6 (46... f4 $17 47. g4 Be6) 47. Ba8 (47. Ne3 $11 Ke5 48. f4+ Kd4 49. Nc2+ Kc3 50. Ne3) 47... f4 $17 48. g4 hxg4+ (48... h4 $1 $17 49. Nd2 Ke6) 49. fxg4 (49. Kxg4 $11 Be8 50. Be4) 49... Bd3 50. Kg2 Ke6 51. Bf3 Bd8 52. Nb2 (52. Nd2 $15) 52... Bc2 53. Bd1 Bg6 54. Bf3 Bf6 55. Nd1 Bd4 56. Kf1 Kd6 57. Ke2 Kc5 58. Kd2 Bf7 59. Nc3 Bxc3+ $1 ({Much weaker is} 59... Bxb3 $6 60. Ne4+ Kd5 61. Nxg5+ Ke5 62. Nh3 $11) 60. Kxc3 {[#] intending b4+.} Bd5 (60... Kd6 $1 $17 {aiming for ...Bd5.} 61. Bd1 Ke5) 61. b4+ $2 {[%mdl 8192] Loses the game.} (61. Bd1 $15) 61... Kd6 $19 {Black is clearly winning.} 62. Bd1 {[#]} f3 $1 63. Kd3 f2 64. Kd4 {Accuracy: White = 75%, Black = 84%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.07"]
[Round "2.30"]
[White "Dolgitser, Konstantin"]
[Black "Groh, Jiri"]
[Result "1/2-1/2"]
[ECO "D34"]
[WhiteElo "2232"]
[BlackElo "1979"]
[Annotator "TA"]
[PlyCount "134"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,134,39,56,0,15,8,10,-17,29,17,32,29,33,30,33,16,16,16,16,19,25,7,7,5,10,0,0,-10,0,0,0,0,0,-12,0,0,0,0,-6,-50,17,16,109,112,272,272,312,121,229,33,56,22,22,19,25,22,50,10,25,25,25,25,25,25,25,25,25,25,25,25,25,25,75,75,75,75,75,76,294,294,290,283,283,294,269,28,28,20,20,20,20,18,18,18,18,18,18,18,18,18,18,18,18,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17]} 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. g3 c5 5. cxd5 exd5 6. Bg2 Nc6 7. Nc3 Be7 8. O-O O-O 9. Bg5 h6 {9...c4 is setting a new trend.} 10. Be3 {D34: Tarrasch Defence: 6 g3 Nf6 7 Bg2 Be7.} (10. Bxf6 $14 Bxf6 11. dxc5) 10... Ng4 11. Bc1 Be6 12. h3 {[#]} cxd4 $146 ({Predecessor:} 12... Nf6 13. Be3 c4 14. Ne5 Bb4 15. g4 Bxc3 16. bxc3 Nh7 17. Rb1 Qc8 18. f4 f5 {½-½ (62) Gacso,T (2211)-Boer,J (2144) Aggtelek 1999}) 13. Nxd4 Nxd4 14. Qxd4 Bf6 15. Qb4 Bxc3 16. bxc3 Nf6 17. Qxb7 Qc8 18. Qxc8 Rfxc8 19. Bd2 Ne4 20. Rfd1 Rab8 21. Be3 Nxc3 22. Rd2 a6 23. Bd4 Ne4 24. Rd3 Rc2 25. Bf1 Nd2 26. Bg2 Ne4 27. Ra3 Rb4 28. Be3 Rxe2 ({Black should try} 28... Nc3 $15 29. Ba7 Bc8) 29. Rxa6 $11 Nxg3 (29... Nd2 $11 {remains equal.}) 30. Bf3 $1 $16 Rxe3 $2 ({Wrong is} 30... Bxh3 $2 31. Kh2 $18) (30... Rc4 $16 {might work better.}) 31. fxe3 $18 Rh4 32. Kg2 $2 (32. a4 $18 {and White stays clearly on top.}) 32... Ne4 (32... Nf5 $16) 33. Rh1 $2 (33. Bxe4 $18 {White wants to mate with Ra8+.} Rxe4 34. a4) 33... Ng5 34. Kg3 (34. Be2 {is more complex.} Bf5 35. Kg3 Rb4 36. Ra8+ Kh7 37. Rd1) 34... Nxf3 35. Kxf3 $11 {[%mdl 4096] Endgame KRR-KRB} g5 36. Kg3 Rc4 37. Ra3 h5 38. h4 Rg4+ 39. Kf2 gxh4 40. Rd3 Ra4 41. a3 {[%cal Ba2a3,Ba3a4,Ba4a5][%mdl 32]} h3 42. Ra1 Kf8 43. Rd4 Ra6 44. a4 Ke7 45. a5 {[%mdl 1024] White has strong compensation.} Kd6 46. Rb4 Kc5 47. Rb8 {And now Rc1+ would win.} Kc6 $2 (47... Kd6 $16 {was worth a try.}) 48. Rc1+ $1 $18 Kd7 {[#]} 49. Rb7+ $1 Kd8 {[#]} 50. Rc5 $1 Ra8 51. e4 $2 ({White should play} 51. Kg3 $18) 51... Rc8 $1 $11 {[%cal Rc8c5]} 52. Rxc8+ Kxc8 {KR-KB. The position is equal.} 53. a6 dxe4 54. Rb5 e3+ $1 55. Kxe3 {aiming for a7.} h2 56. Rxh5 {Threatens to win with Rh8+.} Kb8 57. Kd4 Ka7 58. Rxh2 Kxa6 59. Kc5 Ka5 60. Rb2 Ka4 61. Rb8 $1 Ka3 62. Rb4 Bb3 63. Rf4 Be6 64. Rf2 Kb3 65. Rf3+ Ka4 66. Re3 Bb3 67. Re7 {[%cal Re7a7]} Be6 {Accuracy: White = 79%, Black = 74%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.07"]
[Round "2.31"]
[White "Vanek, Petr"]
[Black "Koganov, Mikhail"]
[Result "0-1"]
[ECO "C72"]
[WhiteElo "2076"]
[BlackElo "2085"]
[Annotator "TA"]
[PlyCount "31"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,16,51,51,41,57]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Bd7 6. c3 Nge7 7. d4 h6 8. Nbd2 {C75: Ruy Lopez: Deferred Steinitz: 5 c3 Bd7 6 d4 without ...g6.} Ng6 {[%mdl 32768] [#] Loss on time!?} {Predecessor:} 9. Bc2 $146 Be7 10. Nc4 Bg5 11. Ne3 Bxe3 12. Bxe3 Qf6 13. h3 Nf4 14. Bxf4 Qxf4 15. Qc1 Qxc1 16. Raxc1 {1-0 (76) Maksimovic,B (2289)-Paternoster,J (1738) Nova Gorica 2019} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.07"]
[Round "2.32"]
[White "Leverett, Bruce"]
[Black "Novotny, Josef"]
[Result "1/2-1/2"]
[ECO "D26"]
[WhiteElo "2264"]
[BlackElo "2048"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,62,22,58,50,72,67,74,45,45,47,44,44,56,40,81,53,81,81,93,82,100,85,112,112,112,112,112,113,177,187,177,163,162,121,156,157,144,112,110,123,115,128,122,85,83,21,21,21,21,21,22,22,19,0,27]} 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c6 6. O-O {D26: Queen's Gambit Accepted: 4 e3 e6 5 Bxc5 c5 sidelines.} Be7 7. Nc3 O-O 8. e4 {White is better.} b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 9. Bd3 b4 $1 {[%cal Rb4c3]} 10. Na4 Ba6 {[#]} 11. b3 $146 ({Predecessor:} 11. Bxa6 Nxa6 12. e5 Nd5 13. Be3 Rc8 14. Rc1 Nxe3 15. fxe3 c5 16. b3 Qd7 17. Qd3 {½-½ (42) Szalay,T (1731)-Demjen,A (2007) Hungary 2015}) 11... Qa5 12. Bg5 $36 {[%mdl 2048] White has good play.} Bxd3 13. Qxd3 h6 14. Bxf6 Bxf6 15. Rac1 Rd8 16. Rc5 Qc7 17. Rfc1 Bxd4 18. Nxd4 {Threatens to win with R5c4.} Qd6 (18... e5 $16) 19. R5c4 $18 e5 {[#]} 20. Nc5 $1 {[%cal Rc5b7] Strongly threatening Nb7.} Qf6 21. Qf3 exd4 22. Qxf6 ({Much less strong is} 22. Rxb4 $6 Qxf3 23. gxf3 d3 $16) 22... gxf6 23. Rd1 a5 24. Rcxd4 Rxd4 25. Rxd4 {[#] Rd8+ is the strong threat.} Na6 26. Nxa6 Rxa6 $16 {KR-KR} 27. Rd8+ (27. g3 $16) 27... Kg7 $11 {The position is equal.} 28. f3 a4 29. Rb8 axb3 30. axb3 c5 31. Rb5 Ra3 {Blacks defense is rewarded with a draw. Accuracy: White = 76%, Black = 75%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.07"]
[Round "2.33"]
[White "Graf, Alexander"]
[Black "Denk, Adolf"]
[Result "1-0"]
[ECO "D41"]
[WhiteElo "2575"]
[BlackElo "2224"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,41,82,89,94,98,93,117,84,118,114,189,189,298,304,326,320,337,337,629,604]} 1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. d4 e6 6. e4 Nxc3 7. bxc3 cxd4 8. cxd4 Bb4+ 9. Bd2 Qa5 10. Rb1 Bxd2+ 11. Qxd2 Qxd2+ 12. Kxd2 O-O 13. Bb5 {D41: Queen's Gambit Declined: Semi-Tarrasch with 5 cxd5.} a6 14. Bd3 Rd8 15. Rhc1 {White is better.} Nc6 16. Ke3 {[#]} f5 $146 (16... Ra7 $16 17. Rc5 Bd7) ({Predecessor:} 16... Kf8 17. Rb6 Ra7 18. Rc5 Bd7 19. a4 Be8 20. a5 Ne7 21. Rc7 Rd7 22. Rc1 Nc6 {1-0 (35) Bernadskiy,V (2546)-Czerwonski,A (2382) Krakow 2016}) 17. Rb6 $18 g5 (17... a5 $142 18. Rc5 fxe4) 18. Nxg5 Nxd4 19. Rc7 h6 20. Nh7 Nc6 $2 {[#]} (20... Nb5) 21. exf5 {White took control after the opening.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.07"]
[Round "2.34"]
[White "Ernst, Michael"]
[Black "Levin, Felix"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2155"]
[BlackElo "2480"]
[Annotator "TA"]
[PlyCount "126"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,126,0,22,6,11,-8,12,0,22,23,14,14,8,-9,-16,-7,0,-37,-23,-56,-53,-69,-71,-66,-42,-51,-46,-57,-46,-47,-47,-47,-47,-47,-47,-47,-47,-47,-47,-48,-35,-35,-35,-35,-35,-35,-35,-35,-35,-48,0,0,0,-11,-11,-23,-23,-47,-47,-38,-11,-11,-11,-11,-11,-12,0,-10,-10,-61,-22,-113,-113,-141,-134,-133,-121,-177,-178,-183,-180,-180,-156,-191,-173,-265,-267,-412,-431,-518,-502,-937,-932,-535,-892,-834,-793,-1878,-1769,-2303,-2335,-2323,-1903,-2006,-1856,-1578,-1042,-1796,-1759,-1670,-1700,-1735,-1708,-7086,-6684,-6099,-6099,-2352,-2203]} 1. d4 d5 2. Bf4 c5 3. e3 cxd4 4. exd4 Nc6 5. c3 f6 6. Nf3 {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack.} g5 7. Bg3 ({Much worse is} 7. Nxg5 fxg5 8. Qh5+ Kd7 $17) 7... Bg7 {[#]} (7... h5 $5 {[%cal Rh5h4]} 8. h3 Nh6 $11) 8. Bb5 $146 {The position is equal.} ({Predecessor:} 8. h3 Bf5 9. Bd3 e6 10. O-O Nge7 11. c4 Qd7 12. Nc3 O-O 13. Re1 Rad8 14. Na4 {0-1 (34) Mendonca,L (2418)-Kunin,V (2550) Moscow 2020}) 8... Bf5 9. h3 e6 10. Na3 {[%cal Bb1a3,Ba3c2,Bc2b4][%mdl 32]} Nge7 11. Nc2 Qb6 $36 {[%mdl 2048] White is under pressure.} 12. Qe2 a6 13. Bxc6+ Qxc6 14. Nb4 Qb5 15. Qxb5+ axb5 16. O-O Kd7 17. Rfe1 h5 18. a3 Ng6 19. Nd2 g4 20. h4 Bh6 21. Nb3 {[#] Black must now prevent Nc5+.} b6 22. Nc1 Be4 23. Ncd3 Ne7 24. Nf4 Bxf4 25. Bxf4 Ng6 26. g3 $1 Rhg8 27. Be3 Ne7 28. Rad1 Rge8 29. Nd3 Bxd3 (29... Nc6 {looks sharper.} 30. Rd2 Ke7 31. Bh6 Kf7 32. Bf4 Na5) 30. Rxd3 Nc6 31. Bc1 Na5 32. Kg2 Nc4 33. f3 gxf3+ 34. Rxf3 f5 35. Re2 Nd6 36. Bf4 Ne4 37. Re1 b4 38. axb4 Ra2 39. Bc1 (39. Re2 $11) 39... Kc6 {[%mdl 1024] Black has compensation.} 40. Kh3 (40. Re2 $11 {keeps the balance.}) 40... Kb5 $17 {Black continues to play with concentration.} 41. Rg1 Kc4 42. Re3 Rg8 43. Rf3 (43. Ree1 $17) 43... Ra1 44. Rff1 Kb3 45. Kh2 Rg4 46. Kh3 Rb1 47. Kh2 (47. b5 {was worth a try.}) 47... Nd6 $19 48. Re1 {[#]} (48. Kg2 $142) 48... Re4 $1 49. Rxe4 {Black is clearly winning.} Nxe4 {[%mdl 4096] Endgame KRB-KRN} (49... fxe4 $2 50. Bf4 $19) 50. Kh1 (50. b5 $142 Kc2 51. Bf4) 50... Kc2 51. Bf4 Rxg1+ 52. Kxg1 {KB-KN} b5 53. Bc7 Kxb2 54. Bb6 Kxc3 55. Bc5 Nxg3 56. Kf2 Ne4+ 57. Ke3 Kc4 58. Kf4 Kd3 59. Ke5 Nd2 60. Kf4 Nb3 61. Kg5 Ke3 62. Bd6 Nxd4 63. Kxh5 Nf3 {Accuracy: White = 58%, Black = 94%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.07"]
[Round "2.35"]
[White "Meister, Jakob"]
[Black "Kranzl, Peter"]
[Result "1/2-1/2"]
[ECO "B14"]
[WhiteElo "2427"]
[BlackElo "2153"]
[Annotator "TA"]
[PlyCount "171"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,171,28,29,28,80,80,83,91,147,46,42,49,56,57,61,43,114,67,60,47,35,10,20,0,0,0,0,0,0,0,0,0,0,0,0,0,7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-9,-9,-10,-10,-10,0,-12,-14,-60,-60,-67,-72,-47,0,-33,-34,-50,0,0,0,0,0,0,0,0,0,4,24,0,0,0,0,0,9,0,0,0,0,0,0,0,37,4,3,0,0,-27,0,-20,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,-8,-7,-4,-56,-56,-56,-56,-59,-27,-27,-27,-57,-56,-66,-69,-37,-37,-284,-256,-256,-256,-241,-241,-203,-10,-29966,-10,-10,-10,-11,-10,-12]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 g6 6. cxd5 Bg7 7. Bb5+ Nbd7 8. d6 exd6 9. Qe2+ Qe7 {9...Kf8 is vanishing.} 10. Bf4 {B14: Caro-Kann: Panov-Botvinnik Attack with 5...e6 and 5...g6.} Kd8 {[#]} (10... Qxe2+ $11 {remains equal.} 11. Ngxe2 a6) 11. Nf3 $146 ({Predecessor:} 11. O-O-O Nb6 12. Qxe7+ Kxe7 13. Nf3 Be6 14. Rhe1 Rac8 15. Kb1 Nbd5 16. Nxd5+ Nxd5 17. Bg5+ Kf8 {1-0 (91) Csiszar,C (2375)-Okhotnik,V (2406) Zalakaros 2002}) 11... Nb6 12. O-O {White is better.} a6 (12... Qxe2 $142 13. Bxe2 Ke7) 13. Bd3 ({White should try} 13. Rfe1 $16 {[%csl Ge1][%cal Re2e7]} Be6 14. Bd3) 13... Qxe2 $14 14. Bxe2 Ke7 $1 15. Rfe1 {Hoping for Bxa6+.} Be6 16. Ng5 Nfd5 ({Better is} 16... Nbd5 $14 17. Bg3 (17. Nxe6 fxe6 18. Bg5 Kf7 $14) 17... Kd7) 17. Nxe6 fxe6 18. Bg5+ Kd7 19. Bf3 Rhe8 20. Nxd5 (20. Re4 {is interesting.} h6 21. Bd2 h5 22. Rae1 Nxc3 23. Bxc3 d5 24. R4e3) 20... Nxd5 21. Rad1 Rac8 22. Bxd5 exd5 23. Rxe8 Rxe8 $11 {[%mdl 4096] Endgame KRB-KRB} 24. Kf1 Rc8 25. Rd2 Rc4 26. Be3 Bf6 27. Ke2 Rc1 28. Kd3 Rg1 29. f3 Ra1 30. a3 Bd8 31. Re2 Rd1+ 32. Kc2 Rh1 33. h3 Bf6 34. Kd3 Rd1+ 35. Bd2 Rb1 36. Bc3 Rd1+ 37. Ke3 Kc6 38. Rc2 Kd7 39. f4 h5 40. Ke2 Rg1 41. Kf2 Rd1 42. Ke3 Ke6 43. Rd2 Rf1 $1 44. Rf2 Rg1 $1 45. Re2 {Strongly threatening Kf2+.} Kf5 46. Be1 Rf1 47. g3 Bd8 48. Bf2 Bb6 49. Rd2 Rb1 50. Kf3 Rh1 51. g4+ Ke6 52. Kg2 Rb1 53. Re2+ Kf7 54. Rd2 hxg4 55. hxg4 Bd8 56. Rc2 Ke6 57. Be3 Rd1 58. Kf3 Rh1 59. Re2 Rf1+ 60. Kg2 Rd1 61. Kf3 Rd3 62. Kg2 Bb6 63. Bf2+ Kf7 64. Bh4 Bxd4 65. Re7+ {[%mdl 64] [#] Double Attack} Kg8 66. b4 Rxa3 67. Rxb7 Ra2+ 68. Kf3 Ra3+ 69. Ke2 Re3+ 70. Kd2 Re4 71. Bg5 Be3+ 72. Kd3 (72. Kc3 $11) 72... Bxf4 $15 73. Bxf4 Rxf4 {KR-KR} 74. g5 Rc4 75. Rb6 Kf7 {Threatening ...Ke6.} 76. Rxd6 Rxb4 77. Rf6+ Kg7 {Threatens to win with ...Rg4.} 78. Rd6 $1 Rf4 {And now ...Rf5 would win.} 79. Rxa6 $2 (79. Rd7+ $15 Rf7 80. Rxd5) 79... Rf5 80. Ra7+ Kf8 81. Kd4 Rxg5 82. Rd7 {[#]} Rg1 $2 (82... Rf5 $1 $19 83. Kc5 Rf2) 83. Rxd5 $2 {[%mdl 8192]} (83. Rb7 $11) 83... Ke7 $2 (83... Rd1+ {mates} 84. Ke5 Rxd5+ 85. Kxd5 Kg7 86. Ke5 Kh6 87. Kf4 Kh5 88. Kg3 Kg5 89. Kh2 Kg4 90. Kg2 g5 91. Kh2 Kf3 92. Kh3 g4+ 93. Kh2 Kf2 94. Kh1 Kg3 95. Kg1 Kh3 96. Kf2 g3+ 97. Kf1 Kh2 98. Ke2 g2 99. Kd3 g1=Q 100. Kc4 Kg3 101. Kd5 Kf4 102. Kd6 Qb6+ 103. Kd5 Qb5+ 104. Ke6 Qc6+ 105. Ke7 Kf5 106. Kd8 Qb7 107. Ke8 Ke6 108. Kf8 Qf7#) 84. Ke3 $11 {The position is equal.} Rf1 85. Ke2 Rf8 86. Rd3 {Accuracy: White = 80%, Black = 80%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.07"]
[Round "2.36"]
[White "Gattermayer, Robert"]
[Black "Koehler, Gerhard"]
[Result "1/2-1/2"]
[ECO "B26"]
[WhiteElo "1979"]
[BlackElo "2204"]
[Annotator "ChessBase"]
[PlyCount "146"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. Nc3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:00]} 3. d3 {[%emt 0:00:00]} g6 {[%emt 0:01:04]} 4. g3 {[%emt 0:00:08]} Bg7 {[%emt 0:00:16]} 5. Bg2 {[%emt 0:00:15]} d6 {[%emt 0:00:31]} 6. Be3 {[%emt 0:00:12]} Nf6 {[%emt 0:00:46]} 7. h3 {[%emt 0:01:09]} Rb8 {[%emt 0:02:09]} 8. Qd2 {[%emt 0:00:32]} Nd4 {[%emt 0:02:30]} 9. Nce2 {[%emt 0:03:08]} Nc6 {[%emt 0:07:27]} 10. c3 {[%emt 0:08:04]} O-O {[%emt 0:01:46]} 11. Bh6 {[%emt 0:00:29]} e5 {[%emt 0:05:36]} 12. Nf3 {[%emt 0:00:44]} d5 {[%emt 0:03:27]} 13. Bxg7 {[%emt 0:01:56]} Kxg7 {[%emt 0:00:08]} 14. exd5 {[%emt 0:01:02]} Nxd5 {[%emt 0:01:09]} 15. O-O {[%emt 0:00:59]} f6 {[%emt 0:01:26]} 16. Rad1 {[%emt 0:00:47]} Be6 {[%emt 0:00:45]} 17. c4 {[%emt 0:00:46]} Nde7 {[%emt 0:01:12]} 18. Kh2 {[%emt 0:01:43]} Qc7 {[%emt 0:03:28]} 19. a3 {[%emt 0:00:52]} Rbd8 {[%emt 0:00:11]} 20. Qc2 {[%emt 0:00:56]} Rd7 {[%emt 0:03:34]} 21. Qb1 {[%emt 0:00:20]} Qb6 {[%emt 0:04:35]} 22. b3 {[%emt 0:05:15]} Rfd8 {[%emt 0:01:57]} 23. Nc3 {[%emt 0:04:07]} Qa5 {[%emt 0:05:44]} 24. Na4 {[%emt 0:05:36]} Bf5 {[%emt 0:04:29]} 25. Ne1 {[%emt 0:01:02]} h5 {[%emt 0:00:33]} 26. f3 {[%emt 0:03:50]} Be6 {[%emt 0:05:08]} 27. Nc2 {[%emt 0:03:33]} Rxd3 {[%emt 0:02:34]} 28. Rxd3 {[%emt 0:02:17]} Rxd3 {[%emt 0:00:10]} 29. Nb4 {[%emt 0:01:44]} Rd6 {[%emt 0:03:25]} 30. Nd3 {[%emt 0:01:17]} b6 {[%emt 0:03:39]} 31. Rd1 {[%emt 0:19:10]} Rd4 {[%emt 0:04:26]} 32. Qc2 {[%emt 0:02:22]} Qa6 {[%emt 0:01:34]} 33. g4 {[%emt 0:00:58]} Qc8 {[%emt 0:01:21]} 34. Nc3 {[%emt 0:02:33]} Qh8 {[%emt 0:02:45]} 35. Kg1 {[%emt 0:02:29]} Qh6 {[%emt 0:00:45]} 36. Qe2 {[%emt 0:01:01]} Bf7 {[%emt 0:01:34]} 37. Ne4 {[%emt 0:00:48]} g5 {[%emt 0:03:58]} 38. Ndf2 {[%emt 0:04:17]} Ng6 {[%emt 0:03:32]} 39. Nd6 {[%emt 0:00:46]} Be6 {[%emt 0:01:09]} 40. Rxd4 {[%emt 0:00:00]} Nxd4 {[%emt 0:00:00]} 41. Qe4 {[%emt 0:00:45]} Kg8 {[%emt 0:08:48]} 42. Ne8 {[%emt 0:04:13]} Nf8 {[%emt 0:12:08]} 43. Qb7 {[%emt 0:00:36]} f5 {[%emt 0:10:55]} 44. gxh5 {[%emt 0:00:41]} Bf7 {[%emt 0:00:32]} 45. Qe7 {[%emt 0:03:05]} Bxe8 {[%emt 0:05:44]} 46. Qxe8 {[%emt 0:00:15]} Ne2+ {[%emt 0:00:41]} 47. Kh2 {[%emt 0:02:40]} Qd6 {[%emt 0:00:27]} 48. h6 {[%emt 0:00:34]} e4+ {[%emt 0:05:41]} 49. Kh1 {[%emt 0:02:54]} Qxh6 {[%emt 0:00:14]} 50. fxe4 {[%emt 0:01:20]} g4 {[%emt 0:01:19]} 51. Qd8 {[%emt 0:02:04]} Qc1+ {[%emt 0:03:27]} 52. Qd1 {[%emt 0:00:43]} Qxd1+ {[%emt 0:00:26]} 53. Nxd1 {[%emt 0:00:02]} gxh3 {[%emt 0:00:14]} 54. Bxh3 {[%emt 0:00:24]} fxe4 {[%emt 0:00:07]} 55. Bg2 {[%emt 0:04:40]} Ne6 {[%emt 0:01:41]} 56. Kh2 {[%emt 0:01:56]} Ng5 {[%emt 0:00:53]} 57. Bf1 {[%emt 0:01:54]} Nd4 {[%emt 0:00:38]} 58. b4 {[%emt 0:00:19]} Nc2 {[%emt 0:00:26]} 59. bxc5 {[%emt 0:00:43]} bxc5 {[%emt 0:00:02]} 60. a4 {[%emt 0:00:45]} Nf3+ {[%emt 0:00:24]} 61. Kg3 {[%emt 0:01:31]} Nd2 {[%emt 0:00:16]} 62. Be2 {[%emt 0:03:25]} Kf7 {[%emt 0:00:57]} 63. Kf4 {[%emt 0:00:57]} Ke6 {[%emt 0:00:22]} 64. Nc3 {[%emt 0:00:18]} Nd4 {[%emt 0:00:49]} 65. Bg4+ {[%emt 0:00:22]} Kd6 {[%emt 0:00:19]} 66. Nxe4+ {[%emt 0:00:11]} Nxe4 {[%emt 0:00:13]} 67. Kxe4 {[%emt 0:00:04]} Kc6 {[%emt 0:00:41]} 68. Ke5 {[%emt 0:01:26]} a5 {[%emt 0:01:18]} 69. Bh5 {[%emt 0:00:38]} Nc2 {[%emt 0:00:55]} 70. Be8+ {[%emt 0:00:41]} Kb6 {[%emt 0:00:02]} 71. Ke4 {[%emt 0:01:25]} Nb4 {[%emt 0:00:26]} 72. Ke5 {[%emt 0:00:31]} Kc7 {[%emt 0:01:00]} 73. Bb5 {[%emt 0:00:44]} Kd8 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.07"]
[Round "2.37"]
[White "Petursson, Margeir"]
[Black "Vltavsky, Vladimir"]
[Result "1-0"]
[ECO "E35"]
[WhiteElo "2466"]
[BlackElo "2212"]
[Annotator "TA"]
[PlyCount "45"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,45,25,51,48,49,49,66,62,63,44,75,67,58,80,84,76,115,94,113,112,100,109,234,231,898,894,870,852,926,926,852,846,846,835]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5 6. Bg5 c6 7. e3 Nbd7 8. Bd3 {D35: Queen's Gambit Declined: Exchange Variation.} h6 9. Bh4 g5 10. Bg3 {White is slightly better.} Nh5 11. Nf3 {[#]} a5 $146 ({Predecessor:} 11... Nxg3 12. hxg3 Qf6 13. a3 Bxc3+ 14. bxc3 b6 15. c4 dxc4 16. Bxc4 O-O 17. Rc1 Bb7 {1-0 (25) Ferreira,A (1547)-Boabaid,J (1823) Florianopolis 2020}) 12. Be5 Nxe5 13. Nxe5 Ng7 14. O-O f5 15. g4 O-O 16. f4 Bd6 17. Ne2 Bxe5 (17... c5 $16 {was called for.}) 18. fxe5 $18 (18. dxe5 Qe7 $14) 18... fxg4 $2 (18... f4 19. h3 (19. exf4 Bxg4 20. f5 Qd7 $18) 19... f3) 19. Rxf8+ {White is clearly winning.} Qxf8 20. Rf1 {[#] Bh7+ would kill now.} Qe7 21. Rf6 Be6 22. Bh7+ Kh8 23. Rxh6 {White took control after the opening. Accuracy: White = 100%, Black = 46%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.07"]
[Round "2.38"]
[White "Marsalek, Zdenek"]
[Black "Thorhallsson, Throstur"]
[Result "0-1"]
[ECO "D24"]
[WhiteElo "2177"]
[BlackElo "2424"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,90,-34,-25,-37,-33,-52,-19,-16,-9,-14,-17,-27,0,-1,0,4,8,0,19,17,11,0,0,0,0,0,0,0,12,0,5,0,0,-7,12,-95,-95,-129,-120,-125,-120,-191,-189,-188,-181,-209,-204,-191,-191,-248,-195,-215,-216,-202,-202,-250,-250,-252,-246,-235,-212,-320,-311,-322,-318,-322,-322,-322,-322,-313,-322,-454,-449,-431,-426,-819,-806,-1219,-1264,-1230,-1093,-1093,-1050]} 1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. Nc3 c5 5. Qa4+ Bd7 $1 {[%cal Rd7a4]} 6. Qxc4 {D24: Queen's Gambit Accepted: 3 Nf3 Nf6 4 Nc3.} cxd4 $1 7. Nxd4 Nc6 8. e4 {The position is equal.} Rc8 9. Nxc6 Bxc6 {[#]} 10. Qd3 $146 ({Predecessor:} 10. Be3 e6 11. Be2 Bxe4 12. Qa4+ Bc6 13. Qxa7 Ra8 14. Qd4 Qxd4 15. Bxd4 Nd7 16. O-O {1-0 (62) Taalaibekov,T (2261)-Volkov,I (2105) Sochi 2018}) 10... e5 11. Qxd8+ Rxd8 12. f3 Bc5 13. Bc4 h6 14. Ke2 Ke7 15. Be3 Bxe3 16. Kxe3 Rd4 $36 {[%mdl 2048] Black fights for an advantage.} 17. Bb3 Rhd8 18. Rhd1 R8d7 19. Ne2 Rb4 20. Rxd7+ Nxd7 21. Rc1 Nb6 22. Rc2 (22. Rc3 $11 {remains equal.}) 22... a5 $1 $17 {[%cal Ba7a5,Ba5a4][%mdl 32] White is now going downhill.} 23. Nc3 a4 24. Bd5 Bxd5 25. Nxd5+ (25. exd5 $17 Nc4+ 26. Ke2) 25... Nxd5+ $19 26. exd5 $17 {[%mdl 4096] Endgame KR-KR} Kd6 27. Rd2 f5 28. g3 Rb5 29. g4 (29. h4 $142) 29... fxg4 ({Stronger than} 29... Rxd5 30. Rxd5+ Kxd5 31. gxf5 $11) 30. fxg4 Rxd5 31. Rf2 Ke6 32. h3 Rb5 33. Kd3 {[#]} Rb4 $1 34. Ke3 Rc4 35. Rf8 {[#]} (35. Rg2 $142) 35... Rc2 $1 $19 36. Re8+ Kf6 37. Ra8 b5 ({Resist} 37... Rxb2 38. Rxa4 Rh2 39. Ra7 $19) 38. Ra6+ Kg5 39. Re6 Rxb2 40. Rxe5+ (40. Kf3 $142 Rxa2 41. Rxe5+ Kf6 42. Rf5+ Ke6 43. Rxb5) 40... Kf6 {Black is clearly winning.} 41. Rf5+ Ke6 42. Ke4 (42. Kd4 $142 g6 43. Rf8) 42... a3 43. h4 g6 44. Rc5 Kd6 45. Rc3 Rxa2 {Accuracy: White = 60%, Black = 94%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.07"]
[Round "2.39"]
[White "Jonsson, Bjorgvin"]
[Black "Zahorbensky, Jaroslav"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2324"]
[BlackElo "2098"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,101,64,43,54,38,38,43,35,39,34,38,36,37,48,58,60,67,84,83,123,102,161,96,126,119,136,136,141,139,200,210,216,204,209,200,212,213,221,218,211,192,218,211,195,175,212,203,230,220,257,264,311,283,287,261,244,263,270,212,241,290,255,212,215,197,189,191,208,185,179,171,175,161,239,219,229,161,318,315,322,313,373,377,370,355,450,410]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 Be7 6. Bd3 Nf6 7. O-O Bg4 8. Re1 O-O 9. Nbd2 Nbd7 {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves.} 10. Nf1 Re8 11. h3 Bh5 {White is slightly better.} 12. Ng3 Bg6 13. Nf5 Bxf5 14. Bxf5 {[#]} Bf8 $146 ({Predecessor:} 14... g6 15. Bd3 Bf8 16. Rxe8 Qxe8 17. c3 Bg7 18. Qc2 Qf8 19. g4 Nb6 20. Bd2 Qc8 {½-½ (50) Nemergut,M (1977)-Mrva,V (2160) Stara Lubovna 2014}) 15. Bg5 h6 16. Bh4 g5 17. Bg3 Bg7 18. Qd2 Nb6 {[#]} (18... Nf8 $16) 19. b3 ({Better is} 19. h4 $1 $18) 19... Rxe1+ 20. Rxe1 Qf8 21. h4 g4 22. Nh2 Re8 (22... h5 $16) 23. Rxe8 $18 ({Resist} 23. Nxg4 Rxe1+ 24. Qxe1 Nxg4) 23... Qxe8 24. Nxg4 Nxg4 25. Bxg4 Qe4 26. Bf3 Qxd4 27. Qxd4 Bxd4 28. Bxb7 {[%mdl 4096] Endgame KBB-KBN} Nd7 29. Kf1 Nc5 30. Bf3 Kg7 31. Bf4 f5 32. Bd5 Bc3 33. Ke2 Na6 34. a3 {[%cal Ba2a3,Ba3a4][%mdl 32]} Bb2 35. Bc4 Nc5 36. a4 Bd4 37. f3 Be5 38. Be3 f4 39. Bf2 Bc3 40. g4 fxg3 41. Bxg3 Bd4 42. Bd3 Kf6 43. Bf4 Kg7 44. Bd2 Bf6 (44... h5 {was necessary.} 45. Bb5 Kf7) 45. h5 Ne6 46. Be3 Nc5 $2 {[#]} (46... Bd4 47. Bxd4+ Nxd4+ 48. Ke3 Nc6) 47. Kd2 a5 48. Bf5 Be5 49. Bc8 Bf6 50. Bf2 Be5 51. Be1 {Accuracy: White = 88%, Black = 62%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.07"]
[Round "2.40"]
[White "Sykora, Ondrej"]
[Black "Karlsson, Agust S"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2048"]
[BlackElo "2268"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,79,20,15,12,29,29,22,20,20,27,29,0,0,-6,0,-31,-12,0,0,-39,-37,-36,-40,-35,-33,-39,12,17,10,0,41,47,125,124,125,98,97,42,42,44,108,78,107,103,93,35,30,37,92,93,83,95,89,-37,89,82,101,86,114,70,260,234,404,300,456,442,487,481,451,395,419,384]} 1. e4 d5 2. exd5 Qxd5 3. Nf3 Bg4 4. Be2 Nc6 5. h3 Bxf3 6. Bxf3 {B01: Scandinavian Defence.} Qe5+ 7. Qe2 Qxe2+ 8. Bxe2 {The position is equal.} Nd4 9. Bd1 e5 10. Nc3 {[#]} g6 $146 ({Predecessor:} 10... O-O-O 11. d3 Ne7 12. Be3 Nec6 13. O-O f5 14. Ne2 Ne6 15. f4 g6 16. fxe5 Nxe5 {½-½ (62) Neiksans,A (2570)-Kovalenko,I (2674) chess24.com INT 2020}) 11. d3 O-O-O 12. Ne2 Ne6 13. O-O Bc5 14. Be3 Bxe3 15. fxe3 f5 16. Nc3 Ne7 17. Be2 Nd5 (17... h5 $15) 18. Nxd5 $11 Rxd5 19. e4 Rc5 20. exf5 Nf4 (20... gxf5 $14 21. Bd1 Ng7) 21. Bd1 $16 gxf5 22. g3 Nxh3+ 23. Kh2 (23. Kg2 $16 Ng5 24. Rxf5) 23... Ng5 $14 24. Rxf5 Ne6 ({Black should play} 24... h6 $14) 25. b4 Rc6 26. Rxe5 {Bg4 is the strong threat.} Nd4 {[#]} 27. Bg4+ ({White should try} 27. Rc1 $1 $16) 27... Kb8 28. c4 Rg6 (28... Rh6+ $14 29. Kg2 Nc6) 29. Rae1 $36 {[%mdl 2048] White wants to mate with Re8+. White is really pushing.} a5 {[#]} 30. Re8+ $1 Rxe8 31. Rxe8+ {[%mdl 4096] Endgame KRB-KRN} Ka7 32. Re4 Nc6 33. bxa5 Rd6 34. Bf5 Nd4 $2 {Loses the game.} (34... Rxd3 $14 35. g4 (35. Bxh7 Rd2+ 36. Kh3 Rxa2 $16) 35... Rd6) 35. Bxh7 $18 c5 $2 (35... Rd7) 36. Kg2 Ra6 (36... Rd7 $142 37. Rh4 Ka6) 37. Re7 Nc6 38. Re2 Nd4 39. Rb2 Rxa5 40. Be4 {Accuracy: White = 74%, Black = 59%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.07"]
[Round "2.41"]
[White "Priehoda, Vitezslav"]
[Black "Jakel, Wolfgang"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "2337"]
[BlackElo "2260"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,61,45,124,26,62,23,26,26,51,16,35,19,45,45,37,42,38,44,54,47,47,42,50,49,36,10,10,8,112,10,75,77,77,79,76,74,84,51,87,52,173,200,434,433,910,151,759,381,869,869,1463,1460,29997,29998]} 1. d4 f5 2. Bg5 g6 3. Nc3 Bg7 4. e3 Nf6 5. h4 h6 (5... Ne4 $14) 6. Bf4 {A80: Dutch Defence: Unusual White second moves.} (6. Bxf6 $1 $16 Bxf6 7. Qf3) 6... O-O {[#]} 7. Bc4+ $146 ({Predecessor:} 7. Qf3 d6 8. Bc4+ e6 9. Nge2 Nc6 10. a3 Qe8 11. Bh2 Kh7 12. O-O-O e5 13. Nd5 Nxd5 14. Bxd5 {1-0 (32) Galyas,M (2506)-Gayson,P (2151) England 2018}) 7... d5 8. Bb3 {White has an edge.} Be6 9. Nf3 c6 10. Ne5 Kh7 11. Ne2 Nbd7 12. c3 Nxe5 13. Bxe5 Ng4 14. Bxg7 Kxg7 15. Qd2 Bf7 16. f3 Nf6 17. Bc2 Qd6 18. O-O-O e5 {[#]} (18... h5 $11 {remains equal.}) 19. Rdg1 ({White should try} 19. h5 $1 $16) 19... Rae8 {[#]} (19... h5 $11 {keeps the balance.}) 20. h5 $1 $36 {[%mdl 2560] White is really pushing.} Nxh5 21. g4 fxg4 22. fxg4 Nf6 23. g5 hxg5 24. Rxg5 {Strongly threatening Ng3.} Ne4 ({Better is} 24... Rg8 $1 $14) 25. Bxe4 $1 $18 dxe4 $2 (25... Qd8 {keeps fighting.}) 26. Ng3 {And now Nf5+ would win.} Be6 (26... Qd8 $142) 27. Rxe5 $2 (27. Qg2 $18 {has better winning chances.} Bg8 28. Nxe4) 27... Bxa2 $2 {Loses the game.} (27... Qd8 $16 28. Nh5+ (28. Rxe4 Qg5 $16) (28. Nxe4 Bxa2 29. Qg2 Rxe5 $14) (28. Qh2 Rh8 $11) 28... gxh5 29. Qg2+ {[%mdl 64] Double Attack} (29. Rexh5 Rf3 $14) 29... Kf7) 28. Rxe8 {Black must now prevent Qh2!} ({Less strong is} 28. Nxe4 Qd8 $14) 28... Rxe8 $2 (28... Qxg3 29. Rxf8 (29. Rxe4 Bd5 $16) 29... Kxf8) 29. Qh2 {White wants to mate with Nh5+!} Kf7 30. Qh7+ Kf8 31. Rf1+ {Accuracy: White = 56%, Black = 33%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.07"]
[Round "2.42"]
[White "Sandten, Ulrich"]
[Black "Vokac, Marek"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2100"]
[BlackElo "2348"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,75,18,20,0,0,0,0,0,0,0,0,0,0,0,0,-5,-13,-8,11,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-7,0,0,0,0,0,-10,-9,-10,-10,-10,0,0,0,-9]} 1. d4 g6 2. Nf3 Bg7 3. e4 d6 4. c3 Nf6 5. Nbd2 O-O 6. Bd3 Nc6 7. O-O e5 8. dxe5 dxe5 9. Nc4 Nh5 $1 {The position is equal. 9...Nh5 scores better than 9...Qe7.} 10. a4 {[#] B07: Pirc Defence: Miscellaneous Systems.} Nf4 $146 ({Predecessor:} 10... h6 11. Ne3 f5 12. exf5 gxf5 13. Bc4+ Kh7 14. Qc2 e4 15. Rd1 Qe8 16. Nh4 Ne5 17. Bf1 Be6 18. g3 Kg8 19. a5 Qf7 20. c4 f4 21. Nd5 e3 22. Ra3 c6 23. gxf4 Nxf4 24. Nxe3 Qf6 {0-1 (24) Landa,K (2445)-Tseshkovsky,V (2490) Vladivostok 1990}) 11. Bc2 Qxd1 12. Rxd1 Ne2+ 13. Kf1 Nxc1 14. Raxc1 Bh6 15. Ra1 f6 16. b4 Be6 17. Bb3 Rad8 18. Ncd2 Kf7 19. Bxe6+ Kxe6 20. Nc4 Rxd1+ 21. Rxd1 Rd8 22. Rxd8 (22. Ke2 {keeps more tension.} Rxd1 23. Kxd1 Nd8 24. Kc2 c6 25. a5) 22... Nxd8 $11 {[%mdl 4096] Endgame KBN-KNN} 23. Ke2 a6 {[%cal Ba7a6,Ba6b5][%mdl 32]} 24. Kd3 Nf7 25. Ne1 b5 26. axb5 axb5 27. Na3 Nd6 28. c4 c6 29. Nec2 f5 30. f3 Bc1 31. c5 Ne8 32. Nb1 Nf6 33. Nc3 h5 34. Ne2 Bh6 35. h3 h4 36. Na1 Nd7 37. Nb3 Nb8 38. Na5 {A rather calm draw. Accuracy: White = 100%, Black = 100%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.07"]
[Round "2.43"]
[White "Zpevak, Pavel"]
[Black "Zimmermann, Rolf"]
[Result "1-0"]
[ECO "D67"]
[WhiteElo "2344"]
[BlackElo "2090"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 28,89,95,102,106,97,101,104,102,96,105,103,100,100,111,111,122,119,122,122,125,122,124,125,124,121,118,124,133,126,125,125,142,151,158,158,157,151,154,156,165,152,168,168,258,257,1604,1539,2012,1951,29974,29976,29970,5122,5306,5306,29980,29979,29984,29985,29985,29986,29985,29985]} 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. Nf3 c6 6. e3 Nbd7 7. Bd3 dxc4 8. Bxc4 Nd5 9. Bxe7 Qxe7 10. O-O O-O 11. Rc1 Nxc3 12. Rxc3 b6 13. Bd3 Bb7 14. Be4 Rac8 15. Qc2 Nf6 {D67: Queen's Gambit Declined: Classical Main Line with 9...Nd5.} 16. Bxc6 Nd5 17. Bxb7 Qxb7 {White is better.} 18. Rxc8 Rxc8 {[#]} 19. Qd2 $146 ({Predecessor:} 19. Qb1 Qc6 20. Ne5 Qc2 21. Nd3 Kf8 22. Qxc2 Rxc2 23. Rd1 a5 24. a3 b5 25. Kf1 {1-0 (53) Chiesa,R-Randolph,D (1862) ICCF email 2011}) 19... Qc6 20. Rd1 Qc2 21. Ne1 Qxd2 22. Rxd2 $16 {[%mdl 4096] Endgame KRN-KRN} Rc1 {[%cal Rc1e1] [#]} 23. Kf1 Kf8 24. Ke2 Ke7 25. Rd1 Rc7 26. Kd2 Kd6 27. Nd3 f6 28. Rc1 Rxc1 29. Kxc1 {KN-KN} e5 30. e4 Nc7 31. d5 f5 32. f3 (32. exf5 $6 Kxd5 33. Nb4+ Ke4 $14) 32... Ne8 33. Kd2 ({Don't do} 33. exf5 $6 Kxd5 34. Nb4+ Kc5 $16) 33... Nf6 34. Nf2 g6 35. g4 Kc5 (35... Ne8 $142 36. gxf5 gxf5) 36. Kc3 $18 ({Not} 36. gxf5 gxf5 37. Kd3 a6 $16) 36... fxe4 $2 (36... fxg4 37. Nxg4 (37. fxg4 g5 $16) 37... Nd7) 37. Nxe4+ Nxe4+ 38. fxe4 {KP-KP} g5 39. a4 a6 40. Kb3 (40. b4+ $142 Kd6 41. Kc4 h6 42. h3 Kc7 43. a5 Kb7 44. axb6 Kxb6 45. d6) 40... h6 41. Kc3 Kd6 42. Kc4 {White mates.} Kd7 {[#]} 43. a5 $1 {[%mdl 512]} Kc7 (43... bxa5 44. Kc5) 44. axb6+ Kxb6 45. b4 {Accuracy: White = 92%, Black = 68%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.07"]
[Round "2.44"]
[White "Hoehn, Michael"]
[Black "Polasek, Jaroslav"]
[Result "0-1"]
[ECO "B29"]
[WhiteElo "2036"]
[BlackElo "2365"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,66,7,7,-36,6,8,17,-19,-2,-68,-66,-99,-77,-66,-78,-60,-51,-50,-31,-28,-26,-31,-28,-31,-12,-84,-81,-73,-68,-102,-99,-103,-103,-137,-93,-93,-73,-78,-91,-79,-61,-102,-105,-126,-129,-320,-306,-310,-309,-529,-529,-525,-506,-518,-470,-709,-705,-712,-696]} 1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nxd4 Nc6 6. Nxc6 {B29: Sicilian: 2 Nf3 Nf6 (Nimzowitsch Variation).} (6. c4 {looks sharper.} Ndb4 7. Be3 Nxe5 8. Nc3 e6 9. f4) 6... bxc6 7. c4 Nc7 8. Nc3 {The position is equal.} g6 {[#]} 9. h4 $146 (9. Be3 $11) ({Predecessor:} 9. Be3 Bg7 10. f4 O-O 11. Be2 d6 12. exd6 exd6 13. O-O {0-1 (13) Ilkiv,A (1703)-Dobes,V (2212) Pardubice 2019}) 9... Bg7 $15 10. Qe2 Ne6 11. h5 d6 12. exd6 Qxd6 13. Be3 Nd4 14. Bxd4 Qxd4 15. Rd1 Qb6 16. hxg6 fxg6 17. Ne4 (17. Qd2 $11) 17... O-O $17 18. c5 Qxb2 19. Qxb2 Bxb2 20. Bc4+ Kg7 21. f3 Bf5 22. Ng5 h6 23. Ne6+ Bxe6 $1 24. Bxe6 Rfd8 25. Bd7 Bc3+ 26. Ke2 Rab8 27. Rd3 $2 {Now White is beyond hope.} (27. Kf2 $17) 27... Rb2+ $19 {[%mdl 64] [#] Double Attack} 28. Ke3 Rxg2 29. Bxc6 $2 (29. Rxc3 Rxd7 30. Ra3) 29... Bd2+ {Black is clearly winning.} 30. Rxd2 Rdxd2 31. Bb5 Rxa2 32. c6 (32. Bd3 $142 Ra3 33. Rc1) 32... Rgc2 33. Rd1 a6 {Accuracy: White = 47%, Black = 90%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.07"]
[Round "2.45"]
[White "Pekarek, Ales"]
[Black "Jhunjhnuwala, Krishan"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2274"]
[BlackElo "2341"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,83,2,14,8,6,0,37,31,24,16,42,4,34,22,23,34,74,63,85,75,74,58,82,49,56,38,65,59,47,71,56,52,78,38,65,43,47,55,52,45,46,40,69,11,104,104,104,104,106,108,123,125,119,115,161,161,161,161,161,161,161,154,161,135,154,135,152,135,135,135,135,135,135,135,135,135]} 1. Nf3 d5 2. d4 c5 3. e3 Nc6 4. Be2 Nf6 5. O-O e6 6. a3 {D05: Colle System with ...e6.} cxd4 7. exd4 Be7 {[#]} 8. Bd3 $146 {White is slightly better.} ({Predecessor:} 8. c3 a5 9. Re1 O-O 10. a4 b6 11. Bb5 Bd7 12. Bf4 Na7 13. Ba6 Bc8 14. Bd3 {½-½ (27) Bilquez,R (2001)-Dominguez,A (1920) Elancourt 2005}) 8... O-O 9. Qe2 a6 10. Bg5 b5 11. Nbd2 {[%cal Bb1d2,Bd2f3,Bf3e5][%mdl 32]} h6 12. Bh4 Qb6 13. c3 Na5 14. Ne5 Nc4 15. Ndf3 Re8 16. Rad1 Bb7 17. Bb1 Ne4 18. Bxe7 Rxe7 19. Nxc4 bxc4 20. Ne5 Nf6 21. f3 Nh7 22. Rf2 (22. g4 {feels hotter.} Nf8 23. f4 f6 24. Nf3 Qc7 25. g5) 22... Nf8 23. f4 Bc6 24. Re1 Be8 25. Qf3 Rb8 26. Qg3 (26. f5 $14 f6 27. Ng4) 26... f5 {[#]} (26... h5 $11 {keeps the balance.}) 27. Qh4 $1 $16 {[%cal Rh4e7] White leaves nothing to chance now.} Qd8 {[#]} 28. g4 $1 fxg4 29. Qxg4 Reb7 30. Rg2 Qf6 31. Ree2 g6 32. Ref2 {White is clearly better.} Rg7 33. Qh3 {And now Ng4 would win.} h5 34. Qe3 Rbb7 35. Nf3 Ba4 36. Ng5 a5 37. h3 Rbe7 38. Rf1 Rb7 39. Kh2 Rb6 40. Nf3 Be8 41. Rfg1 Rbb7 42. Ne5 {Accuracy: White = 87%, Black = 69%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.07"]
[Round "2.46"]
[White "Jhunjhnuwala, Ramesh"]
[Black "Pastircak, Milan"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2143"]
[BlackElo "2277"]
[Annotator "TA"]
[PlyCount "34"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,34,37,39,47,60,0,0,0,15,21,7,4,21,-6,0,-15,0,-35,-4,-3,11,0,6,-18,-6]} 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Bc4 Nf6 5. Qe2 O-O 6. O-O Nc6 7. e5 {B06: Modern Defence.} Nh5 {[#]} 8. c3 $146 ({Better is} 8. Qe3 $14) ({Predecessor:} 8. exd6 Qxd6 9. c3 Bg4 10. h3 Bxf3 11. Qxf3 e5 12. d5 Ne7 13. b3 Qd7 14. Rd1 Nf6 {0-1 (94) Bluhm,S (2279)-Miciano,J (2381) Vlissingen 2018}) 8... Bg4 $11 9. exd6 exd6 10. h3 Re8 11. Be3 Bf5 12. Qd2 Nf6 13. Bg5 a6 14. Na3 d5 15. Bd3 {The position is equal.} Qd7 16. Bxf6 {[#] Bxf5 is the strong threat.} Bxf6 17. Rfe1 Bxd3 {Accuracy: White = 67%, Black = 90%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.07"]
[Round "2.47"]
[White "Mudrak, Josef"]
[Black "Jhunjhnuwala, Naresh"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "2213"]
[BlackElo "2085"]
[Annotator "ChessBase"]
[PlyCount "123"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 c5 2. c3 cxd4 3. cxd4 d5 4. Nf3 Nc6 5. Nc3 Nf6 6. Bf4 e6 7. e3 Bb4 8. Bd3 O-O 9. O-O Bxc3 10. bxc3 Ne4 11. Bxe4 dxe4 12. Nd2 f5 13. f3 exf3 14. Qxf3 Qd5 15. Qg3 Rf6 16. c4 Qd7 17. Rfd1 Ne7 18. Nf3 b6 19. Ne5 Qe8 20. d5 Ng6 21. Bg5 Rf8 22. d6 Nxe5 23. Qxe5 f4 24. exf4 Rf5 25. Qe4 Bd7 26. Re1 Qc8 27. Rad1 Rb8 28. Qd4 Rc5 29. Rc1 Qc6 30. Re3 Rf8 31. Be7 Rf7 32. Re5 Rf5 33. Rxf5 Rxf5 34. Rc3 a6 35. Bd8 b5 36. cxb5 Qxb5 37. Qc4 Rd5 38. Qxb5 Bxb5 39. Be7 Rd2 40. a3 Kf7 41. Rc8 Kg6 42. h3 Kf5 43. Rc5+ Ke4 44. a4 Bxa4 45. Rc4+ Rd4 46. Rxa4 Rxa4 47. d7 Rd4 48. d8=Q Rxd8 49. Bxd8 Kxf4 50. Kf2 h5 51. g3+ Ke4 52. Ke2 Kd4 53. Bc7 Ke4 54. Bb6 e5 55. Bd8 g6 56. Bb6 g5 57. Bd8 h4 58. g4 Kf4 59. Kf2 Ke4 60. Bxg5 a5 61. Bxh4 a4 62. Be7 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.07"]
[Round "2.48"]
[White "Jhunjhnuwala, Suresh"]
[Black "Vrana, Frantisek"]
[Result "0-1"]
[ECO "B31"]
[WhiteElo "1864"]
[BlackElo "2231"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,72,20,18,-1,-10,-10,-5,-5,-5,-5,16,-26,-30,-46,-52,-56,-34,-33,-31,-37,-52,-46,-47,-45,-50,-51,37,33,30,29,18,0,0,-493,-496,-490,-487,-744,-729,-722,-719,-987,-987,-987,-978,-970,-853,-1774,-1687,-12844,-12849,-10989,-6436,-6065,-5795,-6033,-5439,-2729,-5143,-5235,-4951]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 e5 6. d3 Nge7 7. Be3 d6 8. h3 {B31: Sicilian: 2...Nc6 3 Bb5 g6.} O-O 9. Qd2 a6 10. Bxc6 {The position is equal.} Nxc6 {[#]} 11. d4 $146 ({Predecessor:} 11. Bh6 f5 12. Bxg7 Kxg7 13. exf5 Bxf5 14. Qe3 Qf6 15. Nbd2 d5 16. Rfe1 Rae8 17. Qxc5 e4 18. dxe4 dxe4 19. Nh2 Ne5 20. Re2 g5 21. Nc4 Nd3 {½-½ (21) Diaz,M (2215)-Fortuit,N (2099) France 2009}) 11... b6 12. dxe5 dxe5 13. Qxd8 Rxd8 14. Na3 h6 15. Nc4 Rb8 16. Rfd1 Rxd1+ 17. Rxd1 Be6 18. Rd6 Bxc4 19. Rxc6 Bd3 (19... Bxa2 $15 20. Nd2 Be6) 20. Nd2 $14 Bb5 21. Rc7 $1 f5 {[#] Hoping for ...f4.} 22. f3 Rd8 {Strongly threatening ...f4.} (22... f4 $5 23. Bf2 $8 Rd8 $11) 23. f4 $2 {[%mdl 8192]} (23. g3 $11 {and White stays safe.}) 23... exf4 $19 {Black is clearly winning.} 24. Bxf4 g5 25. Rxg7+ (25. Be3 $142 f4 26. Bxf4 gxf4 27. Nf3) 25... Kxg7 {[%mdl 4096] Endgame KRB-KBN} 26. Be5+ Kf7 27. Nb3 Rd1+ 28. Kf2 f4 {[%csl Gb5][%cal Rd1f1] [#]} 29. g4 a5 30. Bc7 a4 31. Bxb6 axb3 32. axb3 Bd3 33. Bxc5 Bxe4 34. b4 Rd2+ 35. Ke1 Rxb2 36. Bd4 Ke6 {Accuracy: White = 61%, Black = 90%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.08"]
[Round "3.1"]
[White "Potapov, Alexander"]
[Black "Bryson, Douglas M"]
[Result "1/2-1/2"]
[ECO "D31"]
[WhiteElo "2413"]
[BlackElo "2334"]
[Annotator "TA"]
[PlyCount "135"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,135,0,0,10,33,18,-29,0,-31,-35,-28,-41,-22,0,0,20,40,20,0,46,49,49,22,62,125,146,116,160,133,211,104,116,116,107,114,310,295,470,55,90,0,0,-139,-141,-135,-145,-224,-247,-242,43,55,42,43,52,48,48,57,58,27,27,21,34,8,47,41,50,17,55,26,15,0,0,8,8,0,0,0,12,11,10,0,12,0,14,11,11,16,37,-237,14,14,14,8,51,8,8,8,8,8,8,8,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e4 dxe4 5. Nxe4 Bb4+ 6. Bd2 Qxd4 7. Bxb4 Qxe4+ 8. Be2 Na6 9. Ba5 {[%csl Ga5][%cal Rd1d8]} f6 {D31: Queen's Gambit Declined: Semi-Slav without ...Nf6 (+ Marshall Gambit and Noteboom) and Exchange Variation lines without ...Nf6.} 10. Nf3 b6 11. Qd6 (11. Nd2 $5 {[%cal Rd2e4]} Qf4 12. Bh5+ Ke7 13. Bc3 $11) 11... Bd7 {Black has an edge.} ({But not} 11... bxa5 $6 12. Nd2 $16) 12. O-O-O O-O-O 13. Bd3 Qg4 {[#]} 14. h3 $146 ({Predecessor:} 14. Bc3 Nh6 15. Nd4 Nf7 16. Qa3 Kb7 17. Kb1 Nc5 18. Bc2 e5 19. b4 Ne4 20. Rhe1 Nfd6 21. b5 Nxc4 22. Qa6+ Ka8 23. Bxe4 exd4 24. bxc6 Bc8 25. Qxc4 {1-0 (25) Maier,M (1949)-Seyfried,C (2208) Bad Woerishofen 2014}) 14... Qh5 15. Bc3 $40 {[%mdl 128] White has some attack.} Nh6 16. Qa3 Kb7 17. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} Nb8 18. Be4 {[%mdl 1024] White has compensation.} e5 $1 19. b5 Qf7 20. Qa4 Qe6 {Black wants to play ...Nf7.} 21. g4 Nf7 {Threatening ...Nd6.} 22. c5 $1 h5 (22... Be8 $16) 23. Rd3 (23. Rd2 $18 {and White stays clearly on top.}) 23... Be8 $16 24. Rxd8 Nxd8 25. Rd1 $1 Nf7 $2 (25... Bf7 $16) 26. Nd2 $1 $18 hxg4 (26... Ng5 $142 27. Bh1 hxg4) 27. hxg4 $2 ({White should try} 27. cxb6 $18 axb6 28. Nc4 Rxh3 29. Kb2) 27... Rh3 $14 28. f3 (28. Kc2 $16 Ng5 29. Bg2 Bg6+ 30. Kb2) 28... Ng5 $1 $11 29. Bb2 (29. cxb6 $1 $11 {keeps the balance.} axb6 30. Qa3) 29... Nxe4 $17 30. cxb6 axb6 31. Nxe4 (31. Qxe4 $17 Bf7 32. a3) 31... cxb5 $19 32. Qa3 {[#]} Qc4+ $2 (32... Qc6+ $1 $19 33. Bc3 {[#]} b4 $1 {[%mdl 512]} 34. Qxb4 Na6 35. Qe7+ Nc7) 33. Bc3 $14 {White wants to mate with Nd6+.} Qa4 34. Nd6+ Ka6 35. Qxa4+ bxa4 36. Nxe8 Rxf3 37. Bd2 Rg3 38. g5 fxg5 39. Rf1 Kb5 40. Nd6+ Kc6 41. Ne4 (41. Nf5 $5 {[%cal Rf5g3]} Rg2 42. Ne3 $14) 41... Rg2 42. Nxg5 Kd5 43. Rf7 Nc6 44. Rd7+ Kc4 45. Rc7 Kd5 46. Rxg7 Rg1+ 47. Kb2 Rg2 48. Kc1 Rg1+ 49. Kb2 Rg2 50. Rd7+ Kc4 51. Nf3 Rf2 52. Rf7 $2 {[%mdl 8192]} (52. Ne1 $14) 52... Kd5 $2 (52... e4 $19 53. Rf6 (53. Ne5+ $2 Nxe5 54. Rxf2 Nd3+ {[%mdl 64] Double Attack} 55. Kb1 Nxf2 $19) 53... Kd5 54. Rf5+ Kd6 55. Rf6+ Kc7 56. Rf7+ Kc8) 53. Kc3 $11 {And now Nxe5! would win.} b5 {aiming for ...b4+.} 54. a3 {Black must now prevent Nxe5!} Rg2 55. Ng5 {Rd7+ is the strong threat.} Nd4 {The position is equal.} 56. Kd3 {Strongly threatening Ne4.} Rg3+ 57. Be3 {Hoping for Ne4.} Nc2 58. Kxc2 Rxe3 {[%mdl 4096] Endgame KRN-KR} 59. Kb2 Rb3+ 60. Ka2 Rg3 61. Nf3 Rg2+ 62. Kb1 e4 63. Rf5+ Kc4 64. Rf4 Kd5 65. Rf5+ Kc4 66. Rf4 Kd5 67. Rf5+ Kc4 68. Rf4 {Accuracy: White = 67%, Black = 65%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.08"]
[Round "3.2"]
[White "Farrell, Neil"]
[Black "Sergeyev, Alexander"]
[Result "1/2-1/2"]
[ECO "D12"]
[WhiteElo "2183"]
[BlackElo "2398"]
[Annotator "TA"]
[PlyCount "118"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,118,35,35,35,36,35,46,30,33,32,24,28,27,20,33,14,26,25,33,30,44,9,16,16,19,18,19,8,32,0,0,0,0,0,0,-95,-105,-139,0,-29,0,-12,-12,-9,-10,-10,0,0,0,-14,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,14,14,14,14,15,22,22,22,22,0,22,0,22,0,22,0,26,33,33,0,33]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Bg4 {6...Be4 is the modern continuation.} 7. Qb3 Qc7 8. h3 {D12: Slav Defence: 3 Nf3 Nf6 4 e3 Bf5.} Bh5 9. g4 Bg6 10. Nxg6 {White is slightly better.} hxg6 11. Bg2 Nbd7 {[%cal Bb8d7,Bd7b6,Bb6d5][%mdl 32]} 12. g5 dxc4 13. Qxc4 Nd5 14. Bd2 N7b6 15. Qe2 Be7 16. f4 {[#]} O-O-O $146 ({Predecessor:} 16... Bd6 17. Ne4 Bb4 18. Nc3 Bd6 19. h4 Qe7 20. Kf2 a6 21. Ne4 Nc8 22. h5 Rxh5 23. Rxh5 gxh5 24. Qxh5 {1-0 (55) Arnold,M (2425)-Eckert,D (2232) Las Vegas 2010}) 17. O-O-O Kb8 18. Kb1 Nxc3+ 19. Bxc3 Nd5 20. Bd2 c5 21. Rc1 Qb6 $1 22. e4 Nc7 23. dxc5 Bxc5 24. Rxc5 (24. h4 $11) 24... Qxc5 $17 25. Bc3 Rd7 (25... Nb5 $17 26. Bxg7 Rhg8 27. Be5+ Ka8) 26. Rc1 Rhd8 27. Be5 Qb6 {...f6 is the strong threat.} 28. Qc4 Rd6 29. Bxd6 Rxd6 30. Qc3 Rc6 31. Qd2 {[%cal Rd2d8] [#]} Rxc1+ 32. Kxc1 {[%cal Rd2d8]} Nb5 33. e5 Nd4 34. b3 a5 35. Be4 Qc5+ 36. Kd1 b6 37. Ke1 Kc7 38. Kd1 Nb5 {[#] Hoping for ...Nc3+.} 39. Ke2 Qc3 40. Bd3 Nd4+ 41. Kd1 $1 Qc5 42. Qc1 Kc6 43. Be4+ Kb5 {And now ...Qxc1+ would win.} 44. Bd3+ Kc6 $1 45. Be4+ Kc7 46. Qxc5+ bxc5 $11 {[%mdl 4096] Endgame KB-KN} 47. Bd3 Nc6 48. Bb5 Nb4 49. Ke2 Kd8 50. a4 Nd5 51. Kf3 Nc3 52. Ke3 Nd5+ $1 53. Ke4 Ke7 54. Bc6 Nb6 55. Bb5 Nd5 56. Bc6 Nb6 57. Bb5 Kd8 58. Kd3 Ke7 $1 59. Ke4 Nd5 {Accuracy: White = 91%, Black = 95%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.08"]
[Round "3.3"]
[White "Goriatchkin, Jouri"]
[Black "Grant, Jonathan I M"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "2310"]
[BlackElo "2166"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,105,32,21,25,-4,-2,-14,20,20,27,20,33,23,24,28,27,21,43,22,43,28,34,14,11,-18,-18,-16,-7,-18,-18,-23,0,0,0,-7,-8,-15,-4,0,7,0,0,0,14,19,18,21,33,29,41,39,43,22,29,4,38,39,45,52,68,42,66,10,80,63,141,54,57,64,64,0,0,0,0,0,0,0,32,37,36,35,133,100,107,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 a5 5. Bg2 O-O 6. Nf3 b6 7. Ne5 Ra7 {E15: Queen's Indian: 4 g3 sidelines, 4 g3 Ba6 and 4 g3 Bb7 early deviations.} 8. Nd3 Bxd2+ 9. Nxd2 {[#]} d5 $146 ({Predecessor:} 9... d6 10. O-O c5 11. d5 exd5 12. cxd5 Ba6 13. Qc2 Re8 14. Rfe1 Rae7 15. e3 b5 {1-0 (47) Doros,R (2320)-Paschall,W (2384) Hungary 2012}) 10. cxd5 exd5 11. Rc1 Re8 12. O-O Ba6 13. Nf3 {[%cal Bd2f3,Bf3e5,Be5g4,Bg4f2,Bf2d3][%mdl 32]} Qd6 14. Re1 Ne4 15. Qa4 c6 16. Nfe5 {[%cal Re5c6]} Bb5 17. Qc2 a4 18. f3 Ng5 19. e3 f6 20. Ng4 Rae7 21. Qd2 Nd7 22. Nf4 f5 23. Nf2 Nf6 24. N2d3 Nf7 25. h4 g6 26. Kf2 Bc4 27. Qc3 c5 (27... Rc7 {keeps more tension.} 28. e4 fxe4 29. fxe4 Nxe4+ 30. Bxe4 Rxe4 31. Rxe4 dxe4 32. Qxc4 exd3 33. Qxd3 Re7) 28. b3 axb3 29. axb3 cxd4 30. Qxd4 Bxd3 ({Don't go for} 30... Bxb3 $2 31. Rb1 $18) 31. Nxd3 Nh5 32. Nf4 Nxf4 33. gxf4 Re6 34. Rc3 Qe7 35. Kg3 Rd8 36. Rec1 Nd6 {Hoping for ...Nb5.} 37. Rc7 (37. Rc6 $14) 37... Qf8 (37... Nb5 $11 38. Rxe7 Nxd4 39. Rxe6 Nxe6) 38. Bf1 Ne8 {[#]} (38... Qf6 $14) 39. Rc8 (39. R7c6 $1 $16 {[%cal Rc6e6]} Qe7 40. Rxe6 Qxe6 41. b4) 39... Nf6 $14 40. Ba6 {Rxd8 is the strong threat.} Kg7 41. R1c6 (41. Rxd8 $14 Qxd8 42. Bc8) 41... Rxc6 $11 42. Rxc6 Rd6 $1 {[%cal Rd6c6]} 43. Rxb6 Rxb6 44. Qxb6 Qa3 45. Kf2 Qa1 46. Bf1 Qc3 (46... Nh5 $14) 47. Be2 Qc1 48. Qd8 ({White should play} 48. Qa7+ $16 Kf8 49. Qd4) 48... Qc5 {The position is equal.} 49. Qb8 d4 $1 50. Qe5 dxe3+ 51. Qxe3 Qb4 52. Bc4 Nh5 53. Qd4+ {Accuracy: White = 80%, Black = 82%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.08"]
[Round "3.4"]
[White "Burnett, Andrew"]
[Black "Tolstikh, Nikolay"]
[Result "0-1"]
[ECO "D20"]
[WhiteElo "2138"]
[BlackElo "2320"]
[Annotator "TA"]
[PlyCount "111"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,111,-11,38,20,51,52,68,52,83,70,72,56,72,59,54,56,65,37,46,39,39,31,48,0,0,-4,-5,-86,-3,-37,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-4,-4,-5,-8,-8,-9,-9,0,0,0,0,-1,-6,-3,-12,0,0,0,-8,-3,-7,-1,-1,-1,-29,-8,-9,0,-25,-27,-27,0,-28,-28,-127,-122,-88,-88,-134,-8,-8,0,-10,-11,-151,-146,-326,-272,-29968,-29969,-29970,-29971,-29971,-29972,-29972]} 1. d4 d5 2. c4 dxc4 3. e4 Nc6 4. Be3 Nf6 5. f3 e5 6. d5 Ne7 7. Bxc4 {D20: Queen's Gambit Accepted: 3 e3 and 3 e4.} Ng6 8. Ne2 Bd6 9. Bb5+ {[#] White is slightly better.} Kf8 $146 ({Predecessor:} 9... Nd7 10. Nbc3 a6 11. Bd3 Qh4+ 12. g3 Qh3 13. Qd2 Nc5 14. O-O-O b5 15. Bc2 Qd7 {1-0 (47) Varga,P (2435)-Meszaros,A (2306) Sarospatak 2000}) 10. Qd2 a6 11. Bd3 Kg8 12. Nbc3 Bd7 13. a3 Rc8 14. Rc1 h5 15. Nd1 h4 16. Nf2 Nh5 17. Bg5 Be7 18. Bxe7 Qxe7 19. Qa5 (19. Bc4 $11) 19... Qd6 (19... Nhf4 $17 20. Rg1 c6) 20. Qc5 Nhf4 21. Nxf4 Qxc5 22. Rxc5 Nxf4 23. O-O Rh6 {And now ...Rg6 would win.} 24. Rfc1 Rg6 25. Bf1 Nxg2 26. Bxg2 h3 $1 27. Nxh3 Bxh3 28. R1c2 Kf8 29. Kf1 Rxg2 30. Rxg2 $11 {[%mdl 4096] Endgame KRR-KRB} Ke7 31. Kf2 Bxg2 32. Kxg2 {KR-KR} Kd7 33. Kg3 Rh8 34. Rc2 Rh6 35. f4 exf4+ 36. Kxf4 c6 37. dxc6+ Rxc6 38. Rg2 g6 39. h4 Rc5 40. Rd2+ Ke6 41. Rg2 Rc1 42. Rh2 Rc5 43. Rg2 a5 44. Rd2 b5 45. Rg2 Rh5 46. Kg4 {[#]} (46. Rg4 $1 $11 {was the only way to keep the balance.}) 46... Ke5 $1 $17 47. Rf2 Rh7 ({Don't play} 47... Kxe4 $6 48. Rxf7 Rf5 49. Rb7 $11) 48. Re2 a4 ({Black should try} 48... f6 $17 49. Rd2 Kxe4) 49. b3 $1 $11 f6 50. bxa4 bxa4 {...Rc7 is the strong threat.} 51. Rb2 {[#]} (51. Rg2 $1 $11) 51... Rd7 $1 $17 ({And not} 51... Kxe4 52. Rb4+ Kd5 53. Rxa4 $11) 52. Rb4 $2 {White does not recover from this.} (52. Rb8 $17 {was the only chance.}) 52... Rd4 $19 53. Rxd4 $2 (53. Rb5+ $19 Kxe4 54. Ra5) 53... Kxd4 {Black mates.} 54. Kf4 Kc3 55. e5 fxe5+ 56. Kxe5 {Accuracy: White = 64%, Black = 81%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.08"]
[Round "3.5"]
[White "Shabalov, Alexander"]
[Black "Priehoda, Vitezslav"]
[Result "1-0"]
[ECO "D38"]
[WhiteElo "2524"]
[BlackElo "2337"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,65,10,8,4,15,12,16,12,24,0,18,0,0,0,22,8,33,25,64,32,64,60,74,21,33,16,3,6,93,82,179,161,137,-84,-74,-160,-156,-163,-141,-158,-170,-153,99,108,97,91,29975,29974,29986,29987,29994,29995,29997,29998,29998,29999]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Bb4 5. Qa4+ Nc6 6. e3 O-O 7. Qc2 $1 {[%mdl 4] outshines the older 7.Bd2. Played by Jan Krzysztof Duda in February 2020. D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4).} Re8 8. Bd2 a6 9. a3 {The position is equal.} Bf8 10. h3 h6 11. cxd5 exd5 12. Bd3 {[#]} g6 $146 ({Predecessor:} 12... Bd6 13. g4 Ne7 14. O-O-O g6 15. Rdg1 Kg7 16. g5 hxg5 17. Nxg5 Rh8 18. h4 Qe8 {1-0 (37) Vardan,N (2346)-Pranav,A (2361) Delhi 2019}) 13. g4 Be6 14. O-O-O Na5 15. Be1 Nc4 16. g5 Ne4 17. Bxc4 (17. Nxe4 $16 dxe4 18. Bxc4 exf3 19. gxh6) 17... Nxc3 $11 18. Bxc3 {Threatens to win with Bd3.} dxc4 19. e4 c6 (19... b5 $11) 20. Qd2 $16 Bc8 (20... hxg5 $16 {was called for.} 21. d5 cxd5) 21. gxh6 {Hoping for Qf4.} Rxe4 22. h4 $2 (22. h7+ Kxh7 23. Ng5+ Qxg5 $1 $14 {[%mdl 512]}) (22. d5 $16 {keeps the pressure on.}) 22... Qd5 $1 $17 {...Bg4 is the strong threat.} 23. h5 ({Better is} 23. h7+ Kh8 24. h5) 23... Bg4 {[%mdl 64] Double Attack} (23... gxh5 24. h7+ $1 {[%mdl 512]} Kh8 25. Ne5 $16) 24. Ne5 Bxd1 ({Weaker is} 24... gxh5 25. f3 $14) 25. h7+ Kh8 26. Rxd1 Bg7 $2 ({Stronger than} 26... Kxh7 27. hxg6+ fxg6 28. Rh1+ Kg8 29. f3 $11) (26... gxh5 $17 {stays on course. Strongly threatening ...Bg7.} 27. f3 Rxe5 $1 {[%mdl 512]} 28. dxe5 Qxd2+ 29. Bxd2 Bg7) 27. hxg6 $16 fxg6 {[%cal Rg7e5] [#]} ({Wrong is} 27... Bxe5 $2 28. dxe5 Qxd2+ 29. Kxd2 $18) 28. Qg5 $1 {[%cal Rg5g6] [#]} Bxe5 $4 {[%mdl 8192] Now Black is done in.} (28... Rxe5 $1 $16 {[%mdl 512]} 29. dxe5 Qe4) 29. dxe5 {White mates.} Qe6 30. Rd6 Qf5 31. e6+ Kxh7 32. Rd7+ {[%mdl 64] Double Attack} Kg8 33. Rg7+ {[%mdl 64] Double Attack. Accuracy: White = 74%, Black = 50%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.08"]
[Round "3.6"]
[White "Zpevak, Pavel"]
[Black "Kaidanov, Gregory"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "2344"]
[BlackElo "2546"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,120,18,6,27,0,25,25,20,19,31,10,20,-20,24,23,14,19,23,6,12,6,4,0,8,0,0,0,0,0,14,0,0,0,0,3,9,9,1,11,9,2,22,8,15,11,15,0,8,0,0,-30,-30,-72,-52,-64,-36,-101,-91,-152,-192,-414,-412,-392,-367,-649,-613,-1001,-774,-764,-761,-720,-764,-585,-426,-386,-413,-423,-433,-420,-425,-447,-437,-444,-420,-389,-438,-429,-433,-437,-399,-1076,-968,-3113,-2570,-29967,-29968,-29965,-29969,-29970,-29972,-29973,-29971,-29977,-29977,-5689,-5189]} 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 e6 5. c4 Ne7 6. cxd5 exd5 7. O-O O-O 8. Nc3 Nbc6 9. Bf4 Be6 {A13: English Opening: 1...e6.} 10. Bg5 {[#]} f6 $146 ({Predecessor:} 10... h6 11. Bxe7 Nxe7 12. b4 Nf5 13. e3 c6 14. Nd2 a5 15. a3 Nd6 16. Qb3 axb4 17. axb4 {½-½ (46) Dzindzichashvili,R (2550)-Giorgadze,G New York 1993}) 11. Bd2 Qd7 {White has an edge.} 12. Rc1 Kh8 13. Na4 b6 14. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} a5 15. b5 Na7 $1 {[%cal Bc6a7,Ba7c8,Bc8d6,Bd6e4][%mdl 32]} 16. Nc3 Nac8 17. Ne1 Nd6 18. Nd3 g5 19. Qb3 Ne4 20. Rfd1 Nf5 21. e3 Rad8 22. Be1 Qf7 23. Qc2 Nfd6 24. a4 Rd7 25. Ne2 Nc4 26. Nb2 Ned6 27. Nxc4 Nxc4 28. Nc3 Nd6 29. Qb3 {[%cal Rg2d5]} Ne4 30. Ne2 Re8 31. Rc6 Bf8 32. Rdc1 f5 33. Nc3 Bd6 34. f3 Nf6 35. Bf2 f4 36. Re1 {[#]} (36. Qa2 $15) 36... Rde7 $1 $17 {Black converts the advantage convincingly.} 37. Nd1 (37. Rxd6 $142 cxd6 38. exf4 gxf4 39. Qa3) 37... Bd7 38. Rc1 $2 (38. Rxd6 cxd6 39. Qa3) 38... g4 $19 39. e4 {With the idea e5.} gxf3 40. e5 $2 {[#]} (40. Bxf3 dxe4 41. Qxf7 Rxf7 42. Bg2) 40... fxg2 41. Nc3 Bb4 {Hoping for ...fxg3.} 42. exf6 Rxe1+ 43. Rxe1 Rxe1+ 44. Bxe1 f3 45. Bf2 Qxf6 46. Qxd5 Qf5 47. Qxf5 Bxf5 {[%mdl 4096] Endgame KBB-KBN} 48. Nd5 Bd6 49. Be3 Be6 50. Nc3 Bb3 51. Ne4 Bxa4 52. Nxd6 cxd6 {KB-KB} 53. d5 $2 (53. Kf2 Bxb5 54. d5) 53... Bxb5 54. Bxb6 a4 55. Bc7 Bc4 56. Bxd6 Bxd5 57. Kf2 Kg7 58. Bc5 Kf6 59. g4 Kg5 60. Kg3 a3 {[%mdl 64] Promotion. Accuracy: White = 59%, Black = 92%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.08"]
[Round "3.7"]
[White "Novikov, Igor"]
[Black "Polasek, Jaroslav"]
[Result "1-0"]
[ECO "A97"]
[WhiteElo "2551"]
[BlackElo "2365"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,69,46,66,49,43,47,52,60,67,61,57,67,61,62,60,70,82,85,76,76,76,76,76,68,80,80,80,80,80,81,79,81,81,79,78,76,83,93,92,44,76,64,83,83,83,83,83,83,83,85,697,694,660,660,566,566]} 1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d6 7. Nc3 Qe8 8. Re1 Nc6 {8...Ne4 is a critical line.} 9. e4 {A97: Classical Dutch: Fluid Systems: 7 Nc3 Qe8.} fxe4 10. Nxe4 Nxe4 11. Rxe4 {White is slightly better.} Bf6 12. d5 {[#]} Nd8 $146 ({Predecessor:} 12... Ne5 13. Nd4 exd5 14. cxd5 Qg6 15. Ne6 Bxe6 16. dxe6 Be7 17. Rb4 Nd3 18. Rxb7 Rxf2 19. Rxc7 Rxg2+ 20. Kxg2 {½-½ (26) Gimeno Diaz,F-Arranz Fraile,J Pamplona 2001}) 13. dxe6 Nxe6 14. Ng5 Bxg5 15. Bxg5 {[%mdl 64] Pin} Qf7 16. Be3 Bd7 17. Qd5 b6 18. b4 Rae8 19. c5 bxc5 20. bxc5 Nxc5 21. Rxe8 Rxe8 22. Bxc5 Be6 23. Qc6 dxc5 24. Qxc5 Bxa2 25. h4 Qc4 26. Qxa7 Bb3 27. Ra5 Qc1+ 28. Kh2 Qc2 29. Qd4 $40 {[%mdl 128] Hoping for Rg5! White has strong attack.} Rf8 30. f4 Qg6 31. Rc5 Qb6 32. Qe5 {Threatens to win with Rb5.} Rf7 $2 {[%mdl 8192] [#]} (32... Bf7 $16) 33. Rb5 $1 $18 {[%cal Rb5b6] White is clearly winning.} Qe6 34. Rb8+ Rf8 {[#]} 35. Rxb3 $1 {[%mdl 512] Accuracy: White = 95%, Black = 85%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.08"]
[Round "3.8"]
[White "Vrbata, Zbynek"]
[Black "Yermolinsky, Alex"]
[Result "1/2-1/2"]
[ECO "E21"]
[WhiteElo "2350"]
[BlackElo "2487"]
[Annotator "TA"]
[PlyCount "27"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,27,-2,0,-12,0,0,0,-9]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. g3 cxd4 6. Nxd4 O-O 7. Bg2 d5 8. cxd5 Nxd5 9. Bd2 Bxc3 10. bxc3 e5 11. Nb3 Nc6 {[#] The position is equal.} 12. Rc1 $146 {E20: Nimzo-Indian: 4 g3 and 4 f3.} ({Predecessor:} 12. O-O Nb6 13. Be3 Nc4 14. Bc5 Re8 15. Qc2 Qc7 16. f4 exf4 17. Rxf4 Be6 18. Bf2 N4e5 19. Nc5 Ng6 20. Ra4 Rad8 21. Nxe6 Rxe6 {½-½ (48) Mamedyarov,S (2767)-So,W (2767) chess.com INT 2019}) 12... Nde7 13. O-O Qc7 14. Qc2 {A rather calm draw.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.08"]
[Round "3.9"]
[White "Sokolin, Leonid"]
[Black "Arkell, Keith C"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2496"]
[BlackElo "2447"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,71,57,53,50,57,66,60,59,62,73,41,50,40,31,28,75,52,57,56,58,32,32,25,25,25,25,25,25,25,25,25,25,25,25,25,32,-4,28,0,10,0,10,19,450,443,527,511,520,487,471,467,460,447,1150,1142,1079,1079,968,643,622,588,29990,29991]} 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. d4 Nf6 5. Nf3 Bg4 6. h3 Bxf3 {B01: Scandinavian Defence.} 7. Qxf3 c6 8. Be3 e6 {White is slightly better.} 9. Bd3 Nbd7 10. O-O Be7 11. Rad1 O-O 12. a3 Nb6 {[#]} 13. Ne2 $146 ({Predecessor:} 13. Ne4 Nbd5 14. Bc1 Nxe4 15. Qxe4 Nf6 16. Qh4 Re8 17. c3 a5 18. Rfe1 a4 19. Re5 {1-0 (57) Ahlberg,M (2017)-Kiesewetter,P (1795) Berlin 2017}) 13... Nbd5 14. Bc1 b5 15. Ng3 a5 16. c3 Qd7 17. Ne4 Nxe4 18. Bxe4 Rfd8 19. Rfe1 Rac8 20. h4 Nf6 21. Bc2 Qd5 22. Qd3 g6 23. Qg3 Qh5 24. Re5 Bd6 25. Rde1 {[#] aiming for Bg5.} Ng4 {[%mdl 64] Pin} ({Don't blunder} 25... Bxe5 $2 26. dxe5 Qg4 27. exf6 $18) 26. Bg5 $36 {[%mdl 2048] Threatens to win with f4. White has good play.} Bxe5 $4 {[%mdl 8192] This costs Black the game.} ({Avoid the trap} 26... Nxe5 $2 27. dxe5 Bc5 28. Qh3 $18) (26... h6 $1 $11 27. Bxd8 {[%mdl 64] Discovered Attack} Rxd8) 27. dxe5 $18 Rd5 {[#] White should prevent ...h6.} 28. f3 $1 {[%cal Rf3g4]} Nxe5 29. Rxe5 h6 30. Rxd5 cxd5 31. Bf6 g5 (31... d4 $142 32. Bxd4 Re8) 32. hxg5 hxg5 33. Bxg5 {White threatens Bh6+ and mate.} Kf8 34. Qd6+ Kg8 35. Qf4 {Strongly threatening Bf6.} b4 36. Bf6 {Accuracy: White = 80%, Black = 66%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.08"]
[Round "3.10"]
[White "Flear, Glenn C"]
[Black "Dolgitser, Konstantin"]
[Result "1-0"]
[ECO "E56"]
[WhiteElo "2420"]
[BlackElo "2232"]
[Annotator "TA"]
[PlyCount "119"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,119,12,12,10,0,4,13,14,7,32,0,39,15,67,65,81,70,76,43,27,32,55,64,78,49,47,51,50,40,67,56,62,64,81,54,54,54,141,45,48,48,61,25,22,13,76,43,44,44,91,80,117,95,98,37,44,0,35,12,11,9,22,22,33,16,19,13,13,9,9,9,22,8,4,0,29,37,39,55,36,19,99,99,505,305,242,201,29982,29982,29982,29984,29984,29985,29985,29986,29990,29991]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O Nc6 8. a3 cxd4 9. exd4 dxc4 10. Bxc4 Be7 11. Qd3 b6 12. Bg5 Bb7 13. Rad1 h6 {E57: Nimzo-Indian: Rubinstein: Main Line: 7...Nc6 8 a3 dxc4 9 Bxc4 cxd4.} 14. Bc1 Qc8 15. Rfe1 Rd8 {The position is equal.} 16. Ba2 {[#]} Bf8 $146 ({Predecessor:} 16... Ba6 17. Qc2 Bf8 18. Bb1 Ne7 19. Ne5 h5 20. Re3 Nf5 21. Rh3 Rxd4 22. Re1 Bd6 {0-1 (40) Saeed,I (2312)-Christiansen,J (2429) Doha 2016}) 17. Qc2 Re8 18. Qe2 g6 (18... Ba6 $11 19. Qc2 Ne7) 19. Ne5 $14 Nxe5 20. dxe5 Nd7 21. Ne4 (21. Qd3 {is more complex.} Bc6 22. Qh3 h5 23. Bb1 Qc7 24. Bg5) 21... Bxe4 $1 22. Qxe4 Bg7 23. f4 Nc5 24. Qe2 Rd8 25. Be3 Qb7 26. Bb1 {Strongly threatening Bxc5.} Qe7 27. Bc2 Rac8 28. b4 Nd7 29. Ba4 Nb8 30. Rxd8+ Rxd8 (30... Qxd8 $14 31. Rd1 Qe7) 31. Rd1 (31. Rc1 $16) 31... Rxd1+ 32. Qxd1 Bf8 33. Bb5 a6 34. Be2 Qc7 (34... a5 $11) 35. Qd4 b5 $1 36. Kf2 Be7 37. Qa7 Bd8 38. Qxc7 (38. Bf3 {keeps more tension.} Kg7 39. Qb7 g5 40. Qxc7 Bxc7 41. g3) 38... Bxc7 $16 {[%mdl 4096] Endgame [#] KBB-KBN} 39. Bc5 (39. Bf3 $1 $16) 39... Nd7 $14 40. Bd4 Nb6 (40... f6 $5) 41. Ke3 Nd5+ 42. Ke4 Kf8 43. g3 Ke8 44. Kd3 Kd7 45. Bf3 a5 46. Bc5 axb4 47. axb4 Nb6 48. g4 {Threatening Bf8.} Nd5 49. Ke4 Bd8 50. Bf8 Be7 51. Bxh6 Bxb4 52. h4 Be7 (52... f5+ $11 53. exf6 Nxf6+ 54. Kd3 Ke7) 53. h5 $16 f5+ $2 {[%mdl 8192] This costs Black the game.} (53... b4 $16 {is a better chance.} 54. Kd3 gxh5) 54. Kd4 fxg4 55. Bxd5 ({Weaker is} 55. Bxg4 gxh5 56. Bxh5 Ba3 $11) 55... exd5 $2 (55... gxh5 $18 56. Be4 b4) 56. hxg6 $18 {KB-KB. White mates.} Ke8 57. g7 Kf7 58. f5 g3 59. f6 g2 {[#]} 60. e6+ $1 {[%mdl 512] Accuracy: White = 70%, Black = 62%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.08"]
[Round "3.11"]
[White "Koganov, Mikhail"]
[Black "McDonald, Neil"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "2085"]
[BlackElo "2410"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,94,-27,-25,-50,-31,-22,-5,2,9,0,0,-7,-10,-7,-13,-5,32,0,0,0,9,7,16,14,73,0,0,0,0,0,0,-26,-29,-37,0,0,0,0,0,-12,0,-4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 f5 2. d3 d6 3. e4 e5 4. Nc3 Nc6 5. Bg5 Be7 6. Qd2 {A04: Unusual lines after 1 Nf3 and King's Indian Attack.} Nd4 {[#] Threatens to win with ...Nxf3+.} 7. Bxe7 {[#]} Nxe7 $146 (7... Nxf3+ {looks sharper.} 8. gxf3 Nxe7 9. d4 exd4 10. Qxd4 O-O) ({Predecessor:} 7... Nxf3+ 8. gxf3 Nxe7 9. Nd5 Nc6 10. O-O-O Nd4 11. Bg2 c6 12. Ne3 f4 13. Nc4 b5 {0-1 (21) Ellis,R-Kriger,J SEMI email 1998}) 8. Nxd4 exd4 9. Ne2 c5 10. exf5 Bxf5 11. Ng3 O-O 12. Be2 Ng6 13. O-O Bd7 14. f4 Qh4 {[%cal Rf8f4]} 15. f5 Ne7 16. Bf3 Rab8 (16... Nxf5 $11 17. Bxb7 Rae8) 17. Be4 (17. Qa5 $16) 17... b6 $11 18. Rae1 Kh8 19. Re2 Rf6 (19... a5 {with more complications.} 20. Qe1 Ng8 21. Bd5 Nf6 22. Be6 Ng4) 20. Qf4 Qxf4 21. Rxf4 Rbf8 (21... d5 $5 {[%cal Rd5e4]} 22. Bf3 {[#]} Ng6 $1 $15 {[%mdl 512]}) 22. Nh5 {The position is equal.} R6f7 {[%cal Rd7f5]} 23. g4 g6 24. Ng3 gxf5 (24... a5 {keeps more tension.} 25. Rf1 gxf5 26. gxf5 d5 27. Bg2 Nxf5 28. Nxf5 Rxf5 29. Rxf5 Rxf5 30. Re7 Bb5) 25. gxf5 Nxf5 (25... a5 {seems wilder.} 26. Rf1 d5 27. Bg2 Nxf5 28. Nxf5 Rxf5 29. Rxf5 Rxf5 30. Re7 Bb5) 26. Nxf5 Bxf5 27. Bxf5 Rxf5 28. Rxf5 Rxf5 {[%mdl 4096] Endgame KR-KR} 29. Re8+ Kg7 30. Rd8 Rg5+ 31. Kf2 Kf6 32. Rxd6+ Ke5 33. Rd7 Rf5+ 34. Kg2 Kf4 {Strongly threatening ...Ke3.} 35. Re7 ({Don't play} 35. Rxh7 Ke3 $17) 35... Re5 36. Rxe5 Kxe5 {KP-KP} 37. Kf3 Kf5 38. a4 a6 39. b3 h6 40. h3 b5 41. axb5 axb5 42. Kg3 Kg5 43. h4+ Kf5 $1 44. Kf3 h5 (44... b4 $5) 45. Kg3 Ke5 (45... b4 $5) 46. Kf3 Kf5 (46... b4 $5) 47. Kg3 Ke5 {Accuracy: White = 89%, Black = 92%.} (47... b4 $5) 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.08"]
[Round "3.12"]
[White "Plaskett, H James"]
[Black "Leverett, Bruce"]
[Result "1-0"]
[ECO "C80"]
[WhiteElo "2401"]
[BlackElo "2264"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,81,10,7,15,5,12,0,0,0,0,0,44,27,54,55,29,29,34,30,30,30,30,30,133,128,128,123,149,119,121,104,104,86,151,93,106,103,130,120,175,183,201,219,316,312,316,314,314,277,254,277,999,975,1087,676,1809,1745,1418,636,2010,1608,29980,29981]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Be3 Be7 10. Qe2 O-O 11. Rd1 Qd7 {C81: Open Ruy Lopez: Keres Variation (9 Qe2).} 12. c3 Rfd8 13. Bc2 {Threatens to win with Bxe4.} Bf5 {The position is equal.} 14. Bb3 Be6 15. a4 Rab8 {[#]} 16. Bc2 $146 {Hoping for axb5.} ({Predecessor:} 16. axb5 axb5 17. Nbd2 Nc5 18. Bc2 Bf5 19. Bxf5 Qxf5 20. Bxc5 Bxc5 21. Nb3 Bb6 22. Nbd4 Nxd4 23. Nxd4 Qd7 24. Qf3 c6 25. Re1 Ra8 26. h4 Bc7 27. Rxa8 Rxa8 {½-½ (25) Lu,S (2619)-Lalith,B (2529) Chengdu 2017}) 16... Bf5 17. axb5 axb5 18. Ra6 Qe8 {[#]} 19. Rxc6 $1 {[%mdl 576] Remove Defender, Decoy} Qxc6 20. Nd4 $1 {[%csl LRc6,LRf5][%mdl 64] Double Attack} Qg6 21. f3 c5 (21... Bc8 $11) 22. Nxf5 $16 ({Inferior is} 22. fxe4 Bg4 $11) 22... Qxf5 23. fxe4 Qxe5 24. Rf1 {Strongly threatening Bf4.} Qe6 25. Bf4 Rb7 26. e5 b4 (26... g6 $142) 27. Nd2 ({White should try} 27. c4) 27... bxc3 28. bxc3 Rb2 {[#]} 29. Nf3 $1 {Bxh7+! is the strong threat.} Rdb8 (29... g6 $16) 30. Bc1 $40 {[%mdl 128] White goes for the king.} R2b7 31. h3 g6 (31... Rb6 {keeps fighting.} 32. Ng5 Bxg5 33. Bxg5 c4) 32. Ng5 Bxg5 33. Bxg5 f5 34. Qd2 Rb2 35. Bf6 R2b7 $2 (35... Qf7 36. Qc1 c4) 36. Qg5 Kf8 37. h4 Ra8 38. h5 Qg8 {[#]} 39. Qe3 (39. e6 $142 $1 {[%mdl 512]}) 39... Rc7 40. e6 d4 41. Qe5 {Accuracy: White = 81%, Black = 41%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.08"]
[Round "3.13"]
[White "Haba, Petr"]
[Black "Pekarek, Ales"]
[Result "1/2-1/2"]
[ECO "B34"]
[WhiteElo "2470"]
[BlackElo "2274"]
[Annotator "TA"]
[PlyCount "110"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,110,2,12,0,0,0,40,35,27,0,5,0,28,0,0,0,0,0,0,0,0,0,16,17,58,64,88,74,85,79,95,78,97,92,113,112,146,122,137,142,164,148,153,157,150,130,140,150,112,112,124,85,85,85,87,87,89,95,84,39,180,105,162,146,300,321,256,71,72,23,27,25,89,64,76,42,104,22,21,47,228,177,177,64,64,22,24,24,26,22,166]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Nd5 Nxd5 8. exd5 Nb8 9. c4 Be7 10. Be2 O-O 11. O-O Nd7 12. Kh1 {B33: Sicilian: Pelikan and Sveshnikov Variations.} a6 13. Nc3 {[#]} a5 $146 ({Predecessor:} 13... f5 14. f4 Bf6 15. Qc2 g6 16. g3 b6 17. Be3 Bb7 18. g4 e4 19. gxf5 {½-½ (19) Biolek,R (2455)-Michalik,P (2555) Czech Republic 2018}) 14. f4 {White is slightly better.} Nc5 15. Be3 exf4 16. Bxf4 Bg5 17. Bxg5 Qxg5 18. Nb5 $36 {[%mdl 2048] White is more active.} Bd7 19. Nxd6 Qe5 20. Nb5 Bxb5 21. cxb5 Rad8 22. Qc2 b6 23. Bf3 Rd6 24. Rae1 {[%cal Ba1e1,Be1e7,Be7c7,Bc7c6][%mdl 32]} Qd4 25. b3 Rfd8 26. Re7 g6 27. Qe2 Kg7 28. Rc7 Rf6 29. Rd1 Qf4 30. Rc6 Rfd6 31. Qb2+ Qf6 32. Qxf6+ Kxf6 33. Kg1 h6 34. Kf2 Ke5 35. Ke3 f5 36. Rd4 g5 {Threatens to win with ...f4+.} 37. g3 Rf8 {Strongly threatening ...f4+.} 38. Rc4 Rfd8 39. g4 f4+ 40. Kd2 R8d7 (40... Rxc6 $1 $14 41. bxc6 Kd6) 41. Kc2 (41. Rc1 $18) 41... Rd8 (41... Re7 $16 {might work better.}) 42. a3 $18 Rxd5 $2 (42... Rxc6 $16 {was necessary.} 43. bxc6 (43. dxc6 Kd6 $16) 43... Kd6) 43. Bxd5 Rxd5 $16 {[%mdl 4096] Endgame KRR-KRN} 44. Rc7 $2 (44. Rxb6 $18 {Black must now prevent Rb8.} f3 45. Rc3) 44... Ne6 45. Rf7 {aiming for Rf5+.} (45. Re7 $5 {[%cal Rc4c6]} Kf6 46. Rh7 $16) 45... Nd4+ 46. Kb2 Nxb5 (46... Rxb5 $11 {keeps the balance.} 47. Re7+ Kd6) 47. Rf5+ Kd6 48. a4 (48. Rf8 {feels hotter.} Nd4 49. Rc1 Ke6 50. Re1+ Kd7 51. Rf7+) 48... Nd4 $1 {[%cal Rd4f5]} 49. Rxd5+ (49. Rf6+ $16 Ke5 50. Rxh6 (50. Rxb6 f3 $14)) 49... Kxd5 {KR-KN} 50. Kc3 Ne6 $2 {[#]} (50... Nc6 $1 $14) 51. Rc8 $1 $18 Nc5 {[#]} 52. Re8 (52. Rb8 $1 $18) 52... Ne4+ $14 53. Kd3 Nf2+ $1 54. Ke2 Nxg4 55. h3 Nf6 {Accuracy: White = 71%, Black = 64%.} (55... Ne3 $1 $11 {and Black is okay.}) 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.08"]
[Round "3.14"]
[White "Sorm, Daniel"]
[Black "Velicka, Petr"]
[Result "0-1"]
[ECO "D32"]
[WhiteElo "2328"]
[BlackElo "2425"]
[Annotator "TA"]
[PlyCount "118"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,118,-10,-14,-5,-6,0,-23,-25,-18,-25,-29,0,-64,-66,-68,-32,-45,-43,-64,-68,-110,-125,-123,-132,-163,-163,-179,-159,-229,-202,-231,-233,-283,-198,-216,-139,-137,-145,-145,-129,-133,-122,-154,-141,-155,-146,-191,-189,-245,-231,-204,-141,-141,-141,-147,-141,-155,-155,-152,-157,-166,-154,-156,-170,-181,-198,-612,-701,-652,-608,-948,-980,-656,-184,-183,-174,-1023,-962,-960,-940,-868,-971,-995,-971,-884,-594,-421,-416,-877,-448,-29967,-29970,-29970,-29971,-29972,-29973,-29973,-29972,-29975,-29973,-29973,-29973,-29970,-29966]} 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. Bg5 Be7 7. Bxe7 Ngxe7 8. e3 c4 9. Be2 O-O {D32: Tarrasch Defence: Sidelines and lines without g3.} 10. O-O Rb8 11. Qd2 b5 {Black has an edge.} 12. e4 dxe4 13. Nxe4 {[#]} Bf5 $146 ({Predecessor:} 13... Be6 14. Rad1 Qc7 15. Nc5 Qd6 16. Nxe6 fxe6 17. Rfe1 Nd5 18. Ng5 Rf4 19. Nxe6 Re4 {1-0 (35) Sorin,A (2460)-Reides,M (2315) Buenos Aires 1998}) 14. Ng3 ({White should play} 14. Nc5 $1 $11) 14... Be6 $15 15. Rfd1 Bd5 16. Ne5 Qc7 17. Qe3 Rfe8 18. Bf3 Nxe5 19. dxe5 Bxf3 20. gxf3 Ng6 $1 21. f4 f6 {[%cal Rf6e5]} 22. Ne4 (22. Ne2 $17) 22... fxe5 $19 23. f5 Nf4 24. f6 Red8 25. Kh1 Kh8 26. fxg7+ Qxg7 {[%csl Gf4][%cal Rg7g2]} 27. Rg1 Qb7 28. f3 {Hoping for Nd6!} Rd3 29. Qf2 Qe7 {aiming for ...Nh3.} 30. Rg3 Rbd8 31. Rag1 Rd1 32. Qc2 (32. Ng5 $142 h6 33. Nh3) 32... Rxg1+ $1 33. Rxg1 Rg8 34. Rxg8+ Kxg8 35. a4 {[#]} a6 $1 36. Qd2 Kg7 37. axb5 axb5 38. Qd6 Qxd6 39. Nxd6 {[%mdl 4096] Endgame KN-KN} Nd3 40. Nxb5 Nxb2 41. Nc3 $2 (41. Kg2) 41... Kf6 42. Kg2 Nd3 43. Kf1 Kg5 44. Ke2 h6 $2 (44... Kh4 {Threatens to win with ...h5.} 45. Ne4 Nf4+ 46. Kd2 h5) 45. Ne4+ Kf4 46. Nf6 $2 {[#]} (46. Nc3) 46... Nb4 $1 {[%cal Rb4c2]} 47. Nh5+ Kg5 48. Ng3 Nd5 49. Ne4+ Kf4 50. Nc5 c3 51. Nd3+ Kf5 {White must now prevent ...Nf4+.} 52. Nc5 (52. Kd1 $142 Ne3+ 53. Ke2) 52... Nb4 53. Kd1 (53. Nb3 $19 Ke6 54. Kf2) 53... Kf4 {Black mates.} 54. Nd7 Kxf3 55. Nxe5+ Kg2 56. Ke2 Kh3 57. Nf3 h5 58. Ke3 c2 59. Kd2 Kg2 {Accuracy: White = 58%, Black = 75%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.08"]
[Round "3.15"]
[White "Langner, Ladislav"]
[Black "Pastircak, Milan"]
[Result "1-0"]
[ECO "C24"]
[WhiteElo "2377"]
[BlackElo "2277"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,85,0,16,-1,7,-28,7,10,16,12,7,-13,-7,-9,-16,-12,14,5,23,23,21,17,29,16,31,15,9,7,11,16,17,4,8,6,2,0,16,4,26,6,45,27,46,0,0,0,0,0,0,0,4,5,42,19,18,4,33,24,47,9,38,46,88,87,110,36,166,157,440,389,399,373,29983,825,29984,29976,29986,12825]} 1. e4 e5 2. Bc4 Nf6 3. d3 c6 4. Nf3 d5 5. Bb3 a5 {[#] aiming for ...a4.} 6. c3 {C24: Bishop's Opening: 2...Nf6.} ({But not} 6. Nxe5 $2 a4 $19) 6... Bd6 7. Bg5 Be6 8. Nbd2 {The position is equal.} Nbd7 9. d4 exd4 10. Nxd4 {[#]} O-O $146 ({Predecessor:} 10... Qc7 11. h3 O-O 12. O-O Bh2+ 13. Kh1 Bf4 14. Bxf6 Nxf6 15. exd5 Bxd5 16. Bxd5 Nxd5 {0-1 (38) Casper,T (2391)-Nikolic,P (2661) Germany 2003}) 11. exd5 Bxd5 12. Bxd5 {Hoping for Bc4.} cxd5 13. O-O Re8 14. Nf5 Qc7 15. Nxd6 Qxd6 16. Nc4 Qc5 17. Ne3 Re5 18. Bh4 Re4 19. Bxf6 Nxf6 20. Qb3 b6 21. Rad1 {[%cal Re3d5]} a4 22. Qc2 Rae8 23. Rd3 g6 24. Qd1 Kg7 25. h3 b5 26. Nxd5 Nxd5 27. Rxd5 Qc4 28. a3 Re2 29. Rd4 Qc5 30. Rb4 Kg8 31. Qd7 R8e5 $1 32. Qd8+ Re8 33. Qf6 R8e6 34. Qf4 $36 {[%mdl 2048] Black is under pressure.} Rd6 35. c4 bxc4 36. Rxc4 Qd5 37. Qc1 (37. Rxa4 $16 {Black must now prevent b4.} Rxb2 38. Qh6) 37... Qe5 (37... Qd2 $14) 38. Rxa4 $18 Qxb2 $2 {Loses the game.} (38... Kg7 $16 {was called for.} 39. Ra8 Rdd2) 39. Ra8+ Kg7 40. Qc8 {Threatens to win with Qf8+.} Rde6 $2 (40... Qd4 $18 41. Qh8+ Kh6 42. Qf8+ {[%mdl 64] Double Attack} Kg5 43. Qxf7 Rf6) 41. Qf8+ Kf6 42. Ra7 Kg5 43. Rxf7 {Accuracy: White = 87%, Black = 64%.} (43. Ra5+ $142 R6e5 44. f4+ {[%mdl 64] Pin} Kh5 45. Rxe5+ Rxe5 46. Qxf7 Kh6 47. Qf8+ Kh5 {[#]} 48. Qg7 $1 {[%mdl 576] Pin}) 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.08"]
[Round "3.16"]
[White "Mudrak, Josef"]
[Black "Konopka, Michal"]
[Result "1/2-1/2"]
[ECO "A49"]
[WhiteElo "2213"]
[BlackElo "2353"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,104,12,13,17,12,-12,-3,-14,0,-2,-3,-6,-6,-6,0,-4,0,0,33,27,35,4,12,5,5,5,35,18,49,9,32,18,18,3,62,56,36,8,8,13,18,18,18,18,25,25,25,18,32,18,22,0,0,0,10,10,74,75,97,97,108,0,34,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d5 5. O-O O-O 6. Nbd2 c6 7. b3 a5 8. Bb2 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} a4 9. a3 axb3 10. cxb3 Bf5 {[#]} 11. b4 $146 ({Predecessor:} 11. Rc1 Qb6 12. b4 Nbd7 13. Nh4 Be6 14. Qc2 Qb5 15. e3 Ne8 16. Rfe1 Nd6 17. e4 {0-1 (34) Horie,T (1823)-Jaekel,A (1856) ICCF email 2015}) 11... Nbd7 12. Qb3 Ne4 13. Rfc1 Qb6 14. e3 Nxd2 15. Nxd2 e5 16. dxe5 $1 Bxe5 17. Bxe5 Nxe5 18. Qc3 Rfe8 19. Nb3 Rad8 20. Rd1 Be4 21. Rd4 f5 22. Nd2 Bxg2 23. Kxg2 Nf7 ({Black should try} 23... Qa6 $11) 24. h4 $14 Nd6 {[#] Strongly threatening ...Nb5.} 25. Rf4 Qc7 26. a4 Qg7 27. Qxg7+ Kxg7 28. Rd4 Ne4 29. Nb3 Kf6 30. Rc1 Nd6 31. Nd2 Ne4 32. Nxe4+ (32. a5 {with more complications.} Ra8 33. Nb3 Nd6 34. Rdd1 Re4 35. Nd4) 32... Rxe4 33. b5 Rxd4 34. exd4 $11 {[%mdl 4096] Endgame KR-KR} Rc8 (34... Ra8 $11) 35. Kf3 $16 Ke6 36. Kf4 Kd6 37. h5 (37. a5 $16) 37... Re8 $14 38. hxg6 hxg6 {The position is equal.} 39. f3 cxb5 40. axb5 Re2 41. Rc8 {And now Rg8 would win.} Rd2 42. Rd8+ Ke6 43. Rg8 Kf6 44. Rf8+ Ke7 45. Rb8 {aiming for Ke5.} Rxd4+ {[#]} 46. Ke5 $1 {[%mdl 512]} Rd3 47. Rxb7+ Kd8 48. Rg7 {Black must now prevent b6.} Rxf3 49. b6 Kc8 50. Rxg6 Kb7 51. Kxd5 Ka6 52. Ke5 Kb7 {Accuracy: White = 88%, Black = 84%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.08"]
[Round "3.17"]
[White "Ftacnik, Lubomir"]
[Black "Matveeva, Svetlana"]
[Result "1-0"]
[ECO "E94"]
[WhiteElo "2513"]
[BlackElo "2375"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,69,29,29,16,14,27,16,33,37,31,20,33,0,20,18,17,0,4,10,8,0,0,0,150,147,133,137,300,300,291,287,391,363,410,409,934,915,1101,952,1070,536,1276,1245,1014,618]} 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. d4 d6 5. e4 O-O 6. Be2 e5 7. O-O exd4 8. Nxd4 Re8 9. f3 c6 10. Kh1 Nbd7 11. Bg5 Qb6 12. Nb3 a5 {[%cal Ba7a5,Ba5a4][%mdl 32]} 13. Qd2 a4 14. Be3 Qd8 {E94: King's Indian: Classical: 6 Be2 e5 7 0-0: Various Black 7th moves.} 15. Nd4 Nc5 16. Rab1 Nfd7 {The position is equal.} 17. b4 axb3 $1 18. axb3 Be5 {[#]} 19. g3 $146 ({Predecessor:} 19. b4 Ne6 20. f4 Bg7 21. Nxe6 Rxe6 22. Bd4 Nf6 23. Bf3 Re8 24. Rfd1 Be6 25. c5 {½-½ (63) Goganov,A (2469)-Shimanov,A (2550) St Petersburg 2011}) 19... Ra3 20. b4 $36 {[%mdl 2048] White has good play.} Ne6 {[#] Threatens to win with ...Rxc3!} 21. Nxe6 Rxe6 22. Nd1 Re8 23. Nf2 Qe7 24. Rfd1 d5 (24... f5 $11) 25. cxd5 $16 cxd5 26. Bb5 d4 $2 {This costs Black the game.} (26... Rd8 $16 {might work better.}) 27. Bxd4 $18 Rxf3 28. Kg2 Ra3 29. Bxd7 Bxd7 30. Bxe5 Bc6 (30... Bh3+ $142 31. Nxh3 Qxe5) 31. Ng4 {White is clearly winning.} Bxe4+ 32. Kg1 {[#] Nh6+ is the strong threat.} Ra6 33. Ra1 {Strongly threatening Rxa6.} f5 34. Rxa6 fxg4 35. Qa2+ {Accuracy: White = 84%, Black = 45%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.08"]
[Round "3.18"]
[White "Grabuzova, Tatiana"]
[Black "Stohl, Igor"]
[Result "0-1"]
[ECO "D97"]
[WhiteElo "2272"]
[BlackElo "2470"]
[Annotator "TA"]
[PlyCount "112"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,112,-37,-35,-41,-22,-70,-70,-67,-67,-60,-38,-133,-129,-116,-89,-92,-61,-64,-36,-40,-52,-118,-119,-123,-113,-129,-126,-174,-145,-144,-143,-146,-99,-93,-86,-85,-75,-89,-72,-73,-78,-79,-48,-52,-27,-58,-56,-70,-55,-62,-62,-89,-72,-72,-51,-52,-47,-62,-52,-56,-40,-162,-162,-162,-162,-1384,-1243,-1297,-1272,-4943,-2225,-5394,-5254,-5102,-912,-5181,-5181,-5181,-5157,-1694,-1272,-1177,-1133,-1037,-891,-1888,-902,-29983,-29984,-29984,-29985,-29987,-29988]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 a6 8. Bf4 b5 9. Qxc7 Qxc7 10. Bxc7 Bb7 11. e5 Nd5 12. Nxd5 {D97: Grünfeld: Russian System: 7 e4, replies other than 7...Bg4.} Bxd5 13. Bd3 Nc6 14. Bb6 {Black is slightly better.} Rab8 15. Bc5 {[#]} Rfd8 $146 ({Predecessor:} 15... Bxf3 16. gxf3 Nxd4 17. Bxd4 Rfd8 18. Bxg6 hxg6 19. O-O-O Rbc8+ 20. Kb1 Rc4 21. Bc3 Rxd1+ 22. Rxd1 {1-0 (28) Darazs,Z (2234)-Cseke,R (2314) Hungary 2009}) 16. Ke2 (16. Rd1 $1 $15) 16... Bxf3+ $1 $17 17. Kxf3 Nxd4+ 18. Ke4 Ne6 19. Be3 $1 f5+ 20. exf6 $1 exf6 {And now ...f5+ would win.} 21. g4 (21. Bc2 $15) 21... Ng5+ 22. Bxg5 fxg5 23. Ke3 Bxb2 24. Raf1 Bd4+ 25. Ke2 Re8+ 26. Kf3 Rbc8 {aiming for ...Rc3.} 27. Kg2 Rc3 28. Rd1 Bb6 29. Rd2 Rd8 30. Rhd1 Rd4 31. Be2 Rxd2 (31... Rf4 {keeps more tension.} 32. f3 Ra4 33. Bd3 Kg7 34. Be4 Kh6) 32. Rxd2 {[%mdl 4096] Endgame KRB-KRB} Bc5 33. Bf3 Kf8 34. Bd1 Ke7 35. Bb3 a5 36. Re2+ Kf8 37. Bd5 b4 38. Bb3 Bd6 39. Rd2 Ke7 40. Re2+ Kd7 41. Re3 {Loses the game.} ({White should play} 41. Bg8 $15) 41... Rxe3 $1 $19 42. fxe3 {KB-KB} Kc6 43. h3 $2 (43. Ba4+ Kd5 44. h3) 43... Kb5 $1 44. Kf3 {[#]} a4 $1 {[%cal Ba5a4,Ba4a3][%mdl 32]} 45. Bf7 {[#]} b3 $1 {[%cal Rb3b2][%mdl 512]} 46. axb3 a3 47. b4 Kxb4 48. Ke4 {[#]} Kc3 $1 49. Ba2 Bc5 50. Bd5 Kd2 51. Ke5 Kxe3 52. Kf6 Kf4 53. Kg7 h5 (53... Ke5 $142 54. Bg8 h5 55. Kxg6 hxg4 56. hxg4 Be3) 54. Kxg6 hxg4 {Black mates.} 55. hxg4 Kxg4 56. Be6+ Kf4 {Accuracy: White = 47%, Black = 85%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.08"]
[Round "3.19"]
[White "Motuz, Karol"]
[Black "Yakimenko, Alexander A."]
[Result "1/2-1/2"]
[ECO "E20"]
[WhiteElo "2368"]
[BlackElo "2149"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,89,-8,-21,10,10,25,-6,20,20,29,15,89,19,17,17,20,19,50,13,60,58,40,50,52,28,28,28,28,34,39,31,49,25,54,54,52,61,64,51,94,52,54,49,52,45,37,44,41,41,40,44,45,45,45,45,45,8,13,8,8,8,39,8,8,8,8,8,8,0,8,8,8,8,8,8,8,8,8,8,8,8]} 1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. f3 O-O 5. a3 Bxc3+ 6. bxc3 Nh5 {E27: Nimzo-Indian: Sämisch: 5...0-0 6 f3.} 7. Nh3 f5 8. e3 {8.e4 is a critical line.} b6 9. Bd3 d6 10. O-O Nd7 (10... Nc6 $11 {remains equal.}) 11. Qc2 (11. e4 $16) 11... Bb7 $11 {[#]} 12. Bd2 $146 ({Predecessor:} 12. e4 fxe4 13. Bxe4 Bxe4 14. Qxe4 Re8 15. Bg5 Nhf6 16. Qc6 Rc8 17. Rfe1 h6 18. Bxf6 Nxf6 {½-½ (28) Shmavonyan,A (1998)-Amon,N (2138) Prague 2016}) 12... Qe7 13. Rae1 g6 14. Nf4 Qf7 15. e4 {Threatens to win with Nxh5.} Nxf4 16. Bxf4 Rfe8 17. e5 dxe5 18. Bxe5 ({Reject} 18. dxe5 Qf8 $15) 18... Nxe5 19. Rxe5 c5 20. dxc5 Qc7 21. Rfe1 Be4 22. f4 Bxd3 23. Qxd3 Rac8 24. Qe3 Qc6 25. cxb6 ({Much worse is} 25. Rxe6 $6 Rxe6 26. Qxe6+ Qxe6 $11) (25. a4 {with more complications.} Kf7 26. cxb6 axb6 27. c5 bxc5 28. a5) 25... axb6 26. c5 bxc5 27. Rxe6 Rxe6 28. Qxe6+ Qxe6 29. Rxe6 $14 {[%mdl 4096] Endgame KR-KR} Ra8 30. Rc6 Rxa3 31. Rxc5 Kf7 32. Rc7+ Ke6 33. h4 h5 34. Rc6+ Kd5 35. Rxg6 Rxc3 36. Kh2 Ke4 $1 {The position is equal.} 37. Rg5 Kxf4 38. Rxh5 Kg4 39. Rh8 f4 40. h5 Kg5 41. h6 $1 Kg6 42. h7 Kg7 43. Rf8 $1 Kxh7 44. Rxf4 Kg6 45. Ra4 {Accuracy: White = 77%, Black = 73%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.08"]
[Round "3.20"]
[White "Chudinovskikh, Alexander M"]
[Black "Petran, Peter"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2139"]
[BlackElo "2268"]
[Annotator "RC"]
[PlyCount "100"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:00]} Bg7 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:00]} c6 {[%emt 0:00:00]} 4. Bc4 {[%emt 0:04:43]} b5 {[%emt 0:01:38]} 5. Bb3 {[%emt 0:00:37]} b4 {[%emt 0:02:19]} 6. Nce2 {[%emt 0:01:01]} d5 {[%emt 0:00:16]} 7. e5 {[%emt 0:05:58]} e6 {[%emt 0:00:26]} 8. Nf3 {[%emt 0:01:47]} Nd7 {[%emt 0:00:38]} 9. a3 {[%emt 0:01:09]} bxa3 {[%emt 0:00:33]} 10. Rxa3 {[%emt 0:00:07]} c5 {[%emt 0:00:27]} 11. Bg5 {[%emt 0:02:50]} Ne7 {[%emt 0:02:16]} 12. O-O {[%emt 0:01:04]} h6 {[%emt 0:00:33]} 13. Bd2 {[%emt 0:01:06]} Nc6 {[%emt 0:04:26]} 14. Ba4 {[%emt 0:09:21]} Bb7 {[%emt 0:03:45]} 15. dxc5 {[%emt 0:09:16]} O-O {[%emt 0:04:48]} 16. Bxc6 {[%emt 0:01:40]} Bxc6 {[%emt 0:00:43]} 17. Ned4 {[%emt 0:00:09]} Rc8 {[%emt 0:08:15]} 18. b4 {[%emt 0:02:01]} Nxe5 {[%emt 0:02:10]} 19. Nxe5 {[%emt 0:04:11]} Bxe5 {[%emt 0:00:07]} 20. Nxc6 {[%emt 0:00:17]} Rxc6 {[%emt 0:00:27]} 21. Bxh6 {[%emt 0:00:50]} Qh4 {[%emt 0:03:54]} 22. f4 {[%emt 0:07:10]} Qxh6 {[%emt 0:03:41]} 23. fxe5 {[%emt 0:00:08]} Rc7 {[%emt 0:11:02]} 24. Qd4 {[%emt 0:01:29]} Rb8 {[%emt 0:01:07]} 25. c3 {[%emt 0:03:01]} Kg7 {[%emt 0:02:36]} 26. Qf4 {[%emt 0:05:12]} Qxf4 {[%emt 0:00:36]} 27. Rxf4 {[%emt 0:00:01]} Rh8 {[%emt 0:00:24]} 28. c4 {[%emt 0:03:23]} Rh5 {[%emt 0:02:07]} 29. Re3 {[%emt 0:09:01]} a5 {[%emt 0:12:26]} 30. cxd5 {[%emt 0:00:43]} exd5 {[%emt 0:01:19]} 31. bxa5 {[%emt 0:00:07]} Rxc5 {[%emt 0:00:10]} 32. a6 {[%emt 0:08:52]} Ra5 {[%emt 0:06:59]} 33. g4 {[%emt 0:00:38]} Rh8 {[%emt 0:03:29]} 34. Ref3 {[%emt 0:00:44]} Re8 {[%emt 0:13:47]} 35. Rxf7+ {[%emt 0:02:40]} Kh6 {[%emt 0:01:06]} 36. h4 {[%emt 0:07:05]} Rxa6 {[%emt 0:02:56]} 37. Kg2 {[%emt 0:05:47]} g5 {[%emt 0:03:33]} 38. R7f5 {[%emt 0:00:59]} gxh4 {[%emt 0:01:00]} 39. Kh3 {[%emt 0:00:30]} Rae6 {[%emt 0:01:15]} 40. g5+ {[%emt 0:00:00]} Kg7 {[%emt 0:00:00]} 41. Rf7+ {[%emt 0:01:50]} Kg8 {[%emt 0:00:43]} 42. Kxh4 {[%emt 0:00:38]} Rxe5 {[%emt 0:00:25]} 43. Kh5 {[%emt 0:00:08]} R8e7 {[%emt 0:01:17]} 44. Rf8+ {[%emt 0:00:59]} Kg7 {[%emt 0:00:01]} 45. R8f6 {[%emt 0:01:19]} Rd7 {[%emt 0:02:54]} 46. Rg6+ {[%emt 0:00:22]} Kh7 {[%emt 0:00:21]} 47. Rff6 {[%emt 0:00:22]} Rg7 {[%emt 0:05:41]} 48. Rxg7+ {[%emt 0:01:04]} Kxg7 {[%emt 0:00:01]} 49. Rd6 Re7 50. Rxd5 {[%emt 0:01:48]} Ra7 {[%emt 0:00:38]} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.08"]
[Round "3.21"]
[White "Cummings, David H."]
[Black "Petursson, Margeir"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2342"]
[BlackElo "2466"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,90,54,52,70,70,85,79,79,79,62,74,85,82,89,94,89,62,51,51,58,-94,-89,-73,0,0,0,0,0,0,0,0,68,78,66,0,0,-66,-43,-54,-66,-68,-34,-72,-49,-56,-68,-147,-143,-172,-181,-181,-169,-177,-78,-114,-110,-366,-368,-495,-492,-681,-425,-666,-526,-678,-672,-684,-517,-525,-522,-752,-739]} 1. Nf3 c5 2. c4 g6 3. e4 Nc6 4. d4 cxd4 5. Nxd4 Nf6 6. Nc3 d6 7. f3 Bg7 8. Be3 O-O 9. Be2 Bd7 10. Qd2 Nxd4 11. Bxd4 Bc6 {11...a5 is the modern continuation. B38: Sicilian: Maroczy Bind with 5...Bg7 and 7...0-0.} 12. O-O-O a6 13. g4 Nd7 {[#] White is better.} 14. Bxg7 $146 ({Predecessor:} 14. Be3 Qa5 15. Kb1 Bxc3 16. bxc3 Rfc8 17. h4 b5 18. h5 bxc4 19. hxg6 Qb5+ 20. Ka1 fxg6 {1-0 (28) Chernyh,P (1930)-Bugaev,A (1956) Abaza 2011}) 14... Kxg7 15. h4 h6 16. Kb1 Qa5 17. f4 Qc5 18. g5 hxg5 19. hxg5 Rh8 20. Rh6 $2 (20. Nd5 $14) 20... Rxh6 $17 21. gxh6+ Kh7 (21... Kxh6 $17 22. a3 Nf6) 22. Bd3 $11 Qd4 23. Qe2 Qf6 24. Rf1 Rf8 25. Bc2 e5 (25... Qe6 $11) 26. f5 $14 g5 27. Nd1 (27. b4 $14) 27... Qe7 ({Don't blunder} 27... Qxh6 $2 28. Nf2 $18) 28. f6 ({White should try} 28. Nf2 $11) 28... Nxf6 $15 29. Qf3 {[#] And now Qf5+ would win.} Ne8 30. Ne3 Bd7 31. Nd5 Qe6 32. Qh5 Qg6 33. Qe2 {[#]} (33. Qf3 $15) 33... g4 $1 $17 34. Ne7 Qg5 ({Don't do} 34... Qxh6 35. c5 $17) 35. Nf5 Rg8 36. Ng3 Nf6 (36... Be6 $19 {and Black stays clearly on top.} 37. Bb3 Rg6) 37. Qd3 Be6 38. Qxd6 $2 {[%mdl 8192] Now White is beyond hope.} (38. Bb3 $17 {might work better.} Nh5 39. Nxh5 Qxh5 40. c5) 38... Nh5 $19 39. Nf5 g3 {Black is clearly winning.} 40. Rg1 g2 41. Qd1 (41. Ne7 $142 Nf4 42. Bd1 (42. Nxg8 $2 Ne2 $19)) 41... Nf4 42. Qf3 Qg4 43. Bd1 Qxf3 44. Bxf3 Bxc4 45. Ne3 Rg3 {Accuracy: White = 43%, Black = 79%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.08"]
[Round "3.22"]
[White "Thorhallsson, Throstur"]
[Black "Plotkin, Victor"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2424"]
[BlackElo "2339"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,81,0,0,14,10,15,0,0,0,0,-11,0,-40,7,-50,-70,-43,31,20,35,20,36,29,48,42,48,53,35,4,9,6,5,-19,-17,-15,-12,-20,-24,-27,-10,-9,-7,-9,-6,-6,-2,-6,0,0,0,0,0,-11,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nc4 Nxe4 5. Qe2 Qe7 6. Ne3 Nc6 {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves.} 7. c3 Be6 8. d4 {[#] Threatens to win with d5.} d5 9. Nd2 {[#] With the idea Nxe4.} O-O-O $146 ({Predecessor:} 9... Nxd2 10. Bxd2 Qd7 11. g3 Be7 12. Bg2 O-O 13. O-O Rfe8 14. f4 f6 15. f5 Bf7 {0-1 (72) Jansa,V (2521)-Kalod,R (2502) Brno 2006}) 10. Nxe4 dxe4 11. Qb5 {Hoping for d5.} Qd7 (11... f5 $5) 12. b3 (12. Bc4 $11 Bxc4 13. Nxc4) 12... a6 13. Qa4 $1 Na7 (13... f5 $15) 14. Qxd7+ $14 Rxd7 15. Bb2 f5 16. O-O-O g6 17. d5 {Strongly threatening c4.} Bf7 18. c4 Rg8 19. h4 h5 20. Be2 Bc5 21. Rhf1 c6 22. dxc6 Rxd1+ 23. Rxd1 {cxb7+ is the strong threat.} Nxc6 24. g3 Rd8 25. Rxd8+ {The position is equal.} Kxd8 26. Kd2 Kd7 27. Ke1 Nd4 28. Bd1 Be6 29. Bc3 Nc6 30. Nc2 Bd6 31. Kd2 f4 32. gxf4 Bxf4+ 33. Ne3 Ne5 34. Bxe5 Bxe5 $11 {[%mdl 4096] Endgame KBB-KBN} 35. Bc2 Bf5 36. Nxf5 gxf5 {[#]} 37. f3 $1 {[%mdl 512]} exf3 38. Bxf5+ Kc7 39. Ke3 Bf6 40. Kxf3 Bxh4 41. Bg6 {Accuracy: White = 89%, Black = 91%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.08"]
[Round "3.23"]
[White "Findlay, Ian T."]
[Black "Gislason, Gudmundur"]
[Result "1-0"]
[ECO "B43"]
[WhiteElo "2159"]
[BlackElo "2322"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,87,-25,-122,-6,-8,-12,-11,-11,-34,-39,-36,-27,-45,-24,-19,-9,-15,-12,-36,-36,-41,-34,-56,-46,-55,-58,-88,-90,-104,-100,-97,-95,-105,-101,-97,-100,-103,-103,-103,14,8,18,-16,-34,-31,-4,-4,-12,-20,0,0,0,0,0,3,51,47,45,46,172,172,174,163,196,195,264,260,488,468,563,563,563,561,616,585]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 Nf6 7. Be3 Bb4 8. Qd3 (8. Bd2 $11) 8... d5 {B43: Sicilian: Kan Variation: 5 Nc3.} ({Black should play} 8... Nxe4 $1 $17 9. O-O Nxc3 10. bxc3 Bxc3) 9. exd5 $11 Nxd5 10. Bd2 Nxc3 {The position is equal.} 11. bxc3 Be7 {[#]} 12. Qg3 $146 ({Predecessor:} 12. O-O Nd7 13. c4 O-O 14. Rad1 b6 15. Qh3 Nf6 16. Bc3 Bb7 17. Bd3 h6 18. Rfe1 {½-½ (25) Nguyen,D (2192)-Svoboda,V (2287) Kouty nad Desnou 2010}) 12... Qxg3 13. hxg3 Nd7 {[%cal Bb8d7,Bd7c5,Bc5a4][%mdl 32]} 14. Rb1 Nc5 15. Bf3 e5 16. Nb3 e4 17. Be2 Na4 18. O-O O-O 19. Rfd1 Bf6 20. Nd4 b5 21. Be1 Rd8 22. Nc6 Rxd1 23. Rxd1 Be6 24. c4 Nb2 25. cxb5 {Threatening b6.} Nxd1 26. b6 {Black should prevent b7.} Bc3 (26... Nc3 $17 27. Bxc3 Bxc3) 27. b7 Re8 28. Bxc3 (28. Kf1 {feels hotter.} Bxe1 29. Kxe1 Nc3 30. Bxa6 Nxa2 31. Kd2) 28... Nxc3 29. Bxa6 Bd5 ({Not} 29... Bxa2 $2 30. Ne7+ $1 {[%mdl 512]} Kh8 31. Nc8 $18) 30. b8=Q Rxb8 31. Nxb8 Bxa2 {[%mdl 4096] Endgame KBN-KBN} 32. Nc6 Kf8 33. Kf1 Nd5 34. Ke1 h5 35. Be2 g6 36. Kd2 f5 {This costs Black the game.} ({Black should try} 36... Ne7 $14 37. Nxe7 Kxe7) 37. c4 $18 Nb6 {[#]} 38. Kc3 $1 Kg7 {[#]} 39. Nb4 $1 {[%cal Rb4a2]} Bb1 (39... Na4+ $142 40. Kd4 Bb3) 40. c5 Na4+ $2 (40... Nc8 41. Ba6 Ne7) 41. Kd4 {White is clearly winning.} Kf6 42. Bb5 Nxc5 43. Kxc5 g5 44. Kd4 {Accuracy: White = 96%, Black = 63%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.08"]
[Round "3.24"]
[White "Karlsson, Agust S"]
[Black "Barron, Michael"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "2268"]
[BlackElo "2075"]
[Annotator "TA"]
[PlyCount "129"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,129,27,38,39,37,31,55,64,59,70,81,88,114,108,116,110,101,81,133,125,115,15,14,10,20,22,108,75,134,139,130,128,242,239,235,246,375,380,379,379,399,410,403,406,393,347,416,407,352,403,575,549,585,566,585,577,690,536,529,441,420,420,521,513,542,550,548,512,568,576,578,567,572,541,592,577,646,643,622,616,653,638,617,660,656,637,630,639,626,626,659,653,683,606,832,798,821,750,12844,12844,12845,12845,12845,12846,12851,27999,12851,27999,12851,29977,12851,27999,12851,27999,12851,29982,12851,27999]} 1. d4 f5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. b3 Ne4 7. Bb2 c5 8. Qc1 {A81: Dutch Defence: 2 g3.} cxd4 9. Bxd4 Nc6 10. Bxg7 {White is slightly better.} Kxg7 11. Qb2+ Rf6 12. c4 {[#]} b6 $146 ({Predecessor:} 12... d6 13. Nc3 Nxc3 14. Qxc3 Qa5 15. Qxa5 Nxa5 16. Nd4 Bd7 17. Rfd1 Rc8 18. Rac1 Rff8 {1-0 (41) Jenal,J-Schroll,G ICCF corr 1994}) 13. Nfd2 Nxd2 14. Nxd2 Bb7 15. e4 d6 ({Better is} 15... f4) 16. exf5 $16 gxf5 17. Nf3 (17. f4 $16) 17... e5 $11 18. Rad1 $36 {[%mdl 2048] Hoping for Nxe5! White has the initiative.} Qe7 19. Rfe1 Re6 (19... Raf8 $11) 20. b4 {White now steadily converts the win.} Rf8 {[#]} (20... Qf6 $142) 21. c5 $1 $16 {[%mdl 512]} dxc5 (21... bxc5 22. bxc5) 22. bxc5 bxc5 {[#]} (22... Kg8 $16 {was called for.}) 23. Ng5 $1 $18 {[%cal Rg5e6][%mdl 576] Deflection} Qxg5 24. Qxb7+ Rf7 {[#]} (24... Ne7 $142 25. f4 (25. Qxa7 e4 $16) 25... Qf6) 25. Qc8 $1 {[%cal Rc8e6]} ({Not} 25. Rd7 Nd8 $16) 25... Qf6 26. Bd5 {[%mdl 64] Skewer} Rfe7 27. Bxe6 Qxe6 28. Qxe6 Rxe6 {[%mdl 4096] Endgame KRR-KRN} 29. Rd5 c4 30. Rc1 e4 31. Rxc4 Ne5 (31... Kg6 {keeps fighting.} 32. Kg2 h6) 32. Rc7+ Kg6 33. Rxa7 Nf3+ 34. Kg2 Rc6 35. Rd1 Ne5 36. Ra5 Nd3 37. Kg1 Rc2 {[#]} 38. f3 $1 Kf6 (38... exf3 39. Rxd3) 39. fxe4 fxe4 40. Rf1+ Ke7 {If only Black now had time for ...e3....} 41. Ra4 Nc5 42. Ra7+ Ke6 43. Rf2 Rc1+ {[#]} 44. Kg2 $1 Ke5 45. Rxh7 Kd4 46. Rh8 Nd3 47. Re2 Ne1+ 48. Kh3 Kd3 49. Rb2 Ke3 50. Kg4 Nd3 51. Rb3 Ke2 52. Rd8 Rc4 53. Kf5 Nf2 54. Re8 Ra4 55. a3 Nd3 56. Rxe4+ Rxe4 57. Kxe4 {KR-KN} Nc5+ 58. Kf4 Nxb3 {KN-K3P} 59. h4 Kd3 60. h5 Nd4 61. Ke5 (61. h6 $18 Ne6+ 62. Kf5 Nd4+ 63. Kf6) 61... Ne2 62. g4 Ke3 63. a4 Nd4 64. h6 Nf3+ 65. Kf6 {Accuracy: White = 92%, Black = 49%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.08"]
[Round "3.25"]
[White "Fritsche, Lutz"]
[Black "Graf, Alexander"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "2321"]
[BlackElo "2575"]
[Annotator "TA"]
[PlyCount "40"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,40,0,-7,-24,-10,-46,-40,-53,-23,-41,-52,-51,-22,-24,-11,-7,-18,-29,-31,-179,-170,-170,-182,-247,-224,-272,-265,-264,-264]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. e5 d5 6. Bb5 Nd7 7. O-O Be7 8. Bf4 {C56: Two Knights: 4 d4 exd4 5 0-0 Nxe4.} (8. Bxc6 $5 bxc6 9. Nxd4 Nxe5 10. Bf4 $11) 8... O-O {[#]} 9. Bg3 $146 ({Predecessor:} 9. Re1 Ndb8 10. Nxd4 Nxd4 11. Qxd4 c5 12. Qd2 c4 13. Ba4 d4 14. c3 d3 15. Bd1 Be6 {1-0 (60) Galaktionov,P (2167)-Timoshenkov,A (2200) Bratsk 2018}) 9... Nb6 10. a4 {Black is slightly better.} a5 11. Bxc6 bxc6 {[%cal Bb7c6,Bc6c5][%mdl 32]} 12. Nxd4 c5 13. Nc6 Qd7 14. Nxe7+ Qxe7 15. Nc3 d4 $36 {[%mdl 2048] Black has the initiative.} 16. Ne4 {[#] This costs White the game.} (16. Nb5 $15) 16... f5 $1 $19 {[%cal Rf5e4]} 17. exf6 Qxe4 18. fxg7 (18. Re1 {was necessary.} Qg6 19. fxg7 Qxg7 20. Qd3) 18... Re8 ({Much less strong is} 18... Kxg7 19. Re1) 19. Qh5 Bb7 {[%csl Gb7][%cal Re4g2]} (19... Kxg7 20. Rae1 $11) 20. f3 Qd5 {Accuracy: White = 55%, Black = 83%.} ({Don't do} 20... Qxc2 21. Rac1 $19) 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.08"]
[Round "3.26"]
[White "Jussupow, Artur"]
[Black "Schulz, Klaus-Juergen"]
[Result "1/2-1/2"]
[ECO "E06"]
[WhiteElo "2560"]
[BlackElo "2331"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,106,5,0,34,33,38,8,12,8,14,0,26,0,8,0,0,0,0,0,0,0,0,0,0,0,0,0,7,0,2,0,3,2,4,2,6,6,9,0,0,0,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-8,-8,-8,-8,-8,-8,-8,-8,-12,-12,-12,-12,-12,-12,-12,-12,-12,-12,-12,-8,-12,-12]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 O-O 6. Qc2 c5 7. dxc5 Na6 {E06: Closed Catalan: Early deviations.} 8. O-O Nxc5 9. Be3 b6 10. Nc3 Bb7 11. Rad1 Rc8 12. Qb1 {[#]} Ncd7 $146 {The position is equal.} ({Predecessor:} 12... Qe8 13. Nd2 Rd8 14. b4 d4 15. bxc5 Bxg2 16. Kxg2 dxe3 17. Nde4 bxc5 18. f3 Rd4 19. Rxd4 cxd4 {0-1 (28) Manoch,M (1969)-Ratsma,M (1930) Haarlem 2012}) 13. cxd5 Nxd5 14. Bd4 Qc7 15. Rc1 {[#] aiming for Nxd5.} Qb8 16. Rfd1 Rfd8 17. Nxd5 Bxd5 18. Rxc8 Qxc8 19. b3 Qb7 20. Bb2 h6 21. Ne1 Bxg2 22. Nxg2 Nf6 23. Nf4 Rxd1+ 24. Qxd1 Qd7 (24... Ng4 {feels hotter.} 25. Qc2 Bg5 26. Qc4 Bf6 27. Bxf6 Nxf6 28. f3 Qd7) 25. Qxd7 Nxd7 $11 {[%mdl 4096] Endgame KBN-KBN} 26. Nd3 f6 27. e4 Kf7 28. Kf1 f5 29. exf5 exf5 30. Ke2 g5 31. h3 h5 32. f3 Ke6 33. g4 fxg4 34. fxg4 hxg4 35. hxg4 Kd5 36. Ke3 Bd6 37. Bc3 b5 38. Nb4+ Bxb4 39. Bxb4 {KB-KN} Ne5 40. Be7 Nxg4+ 41. Ke2 Kd4 42. Bxg5 Kc3 43. Bd2+ Kc2 44. a4 a6 45. axb5 axb5 46. b4 Ne5 47. Bh6 Nc6 48. Bf8 Kc3 49. Kd1 Nxb4 50. Kc1 Kb3 51. Kb1 Nc2 52. Kc1 Na3 53. Be7 Nc4 {Accuracy: White = 95%, Black = 95%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.08"]
[Round "3.27"]
[White "Maier, Christian"]
[Black "Meister, Jakob"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "2294"]
[BlackElo "2427"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,59,-8,59,63,68,35,98,108,107,80,76,86,81,85,82,74,106,84,99,68,108,91,94,89,135,114,108,122,121,56,59,58,57,55,56,16,24,-40,-36,-50,-33,-55,-4,-4,-18,-4,0,0,0,0,4,6]} 1. e4 c5 2. Nf3 e6 3. b3 b6 4. Bb2 Bb7 5. Nc3 Ne7 (5... Nc6 $11) 6. d4 $14 {B40: Sicilian: 2...e6, Unusual lines.} cxd4 7. Nxd4 {[#]} Nec6 $146 {[#]} (7... a6 $14) ({Predecessor:} 7... Ng6 8. Ndb5 Nc6 9. Nd6+ Bxd6 10. Qxd6 Qe7 11. Nb5 O-O 12. O-O-O Qg5+ 13. Kb1 a6 {1-0 (56) Padurariu,M (2066)-Berechet,S (1829) Mamaia 2019}) 8. Ndb5 $1 $16 {White is better.} Nb4 9. a3 a6 10. axb4 {Threatens to win with Nd6+.} axb5 11. Rxa8 Bxa8 12. Bxb5 Bxb4 {Threatening ...Qg5.} 13. Qd4 Bf8 14. Na4 Nc6 15. Qxb6 Bb4+ 16. c3 Be7 17. Qxd8+ Kxd8 18. Ke2 Kc7 19. Bd3 (19. Rd1 $16) 19... Rb8 $14 20. Bc2 Na5 21. b4 $1 {[%cal Rb4a5]} Nc4 22. Bd3 Ne5 23. Bc2 (23. Bc1 $11) 23... Bc6 $15 {Strongly threatening ...Ra8.} 24. Ra1 Bb5+ 25. Kd1 Nd3 (25... Nc4 $15 26. Rb1 Bf6) 26. Bxd3 $11 {The position is equal.} Bxd3 27. f3 Bf1 28. g3 Ra8 29. Kd2 Bb5 30. Nc5 {Accuracy: White = 75%, Black = 77%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.08"]
[Round "3.28"]
[White "Koehler, Gerhard"]
[Black "Polster, Wolfgang"]
[Result "1-0"]
[ECO "A10"]
[WhiteElo "2204"]
[BlackElo "2201"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,89,21,40,25,48,46,48,44,43,39,61,32,56,33,54,15,69,24,39,35,62,51,57,68,97,79,79,85,120,124,106,100,94,77,88,95,130,86,96,82,86,41,20,8,9,29,35,43,56,26,69,70,70,0,0,0,0,-182,-91,-170,0,0,0,-72,-32,-60,0,-10,150,111,40,59,292,258,550,87,316,316,3164,2061,29979,29978]} 1. c4 f5 2. Nc3 g6 3. g3 Bg7 4. Bg2 e5 5. e3 Nc6 6. d3 {A25: English Opening vs King's Indian with ...Nc6 but without early d3.} Nh6 7. Nge2 O-O 8. O-O {White is slightly better.} d6 9. Rb1 Be6 10. Nd5 {[#]} Kh8 $146 ({Predecessor:} 10... Qd7 11. b4 g5 12. b5 Nd8 13. f4 gxf4 14. gxf4 c6 15. bxc6 bxc6 16. Ndc3 Kh8 {1-0 (52) Verdnikov,V (2194)-Lepkasov,V (2052) Izhevsk 2010}) 11. b4 a6 12. Qc2 Rc8 (12... Nb8 $11) 13. Bd2 Nb8 14. b5 axb5 15. cxb5 (15. Rxb5 c6 $17) 15... c6 16. bxc6 bxc6 17. Nb6 Rc7 18. a4 Qg5 19. d4 Qh5 20. Bb4 c5 {Black wants to play ...f4.} 21. d5 Bg8 22. Bc3 g5 23. f3 Nd7 24. Nxd7 Rxd7 25. e4 fxe4 26. Qxe4 Qe8 27. Bd2 Bf7 28. Qc4 Bg6 29. Rb6 Qd8 30. a5 Nf5 31. Bh3 (31. Nc3 $14) 31... Rdf7 $1 $11 32. Qa6 e4 33. f4 $2 (33. fxe4 $11 {and White stays safe.} Nd4 34. Rxf7 Rxf7 35. Bg2) 33... Nd4 (33... e3 $19 34. Bc1 Qe7) 34. Be3 {[#]} (34. Bg4 $17 {was worth a try.}) 34... Nxe2+ $2 (34... Bh5 $1 $19 {[%cal Rh5e2]} 35. Nxd4 cxd4 36. Rxd6 {[#]} Be2 $1 {[%mdl 512]} 37. Rxd8 Bxa6 38. Rxf8+ Rxf8) 35. Qxe2 gxf4 36. Bxf4 (36. Rxf4 $11 {remains equal.} Bd4 37. Kg2) 36... Bd4+ $17 37. Kh1 Rf6 (37... e3 $1 $15) 38. Bg2 Qa8 $2 ({Better is} 38... e3 $11) 39. Rxd6 Rxd6 40. Bxd6 Rxf1+ $2 (40... Re8 $1 $14) 41. Qxf1 $18 Qxd5 $2 (41... h6 42. a6 e3) 42. Qf8+ Qg8 {aiming for ...Qxf8.} 43. Qe7 ({Weaker is} 43. Bxc5 Qxf8 44. Bxf8 Kg8 $16) 43... Qd5 $2 (43... Qa2 44. Qd8+ (44. Bxe4 Bxe4+ 45. Qxe4 Qxa5 $16) 44... Qg8) 44. a6 {[%cal Ba5a6,Ba6a7][%mdl 32]} c4 45. a7 {Quite a comeback for White. Accuracy: White = 64%, Black = 52%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.08"]
[Round "3.29"]
[White "Schweitzer, Andreas"]
[Black "Svanda, Pavel"]
[Result "0-1"]
[ECO "C27"]
[WhiteElo "2290"]
[BlackElo "2074"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,64,17,0,0,0,11,0,38,39,39,32,50,38,55,52,42,50,71,56,39,0,87,-7,0,-45,-47,-38,-25,-43,-32,-39,-34,-55,-50,-68,-75,-78,-59,-93,-80,-146,-149,-131,-137,-231,-228,-251,-213,-503,-494,-752,-737]} 1. e4 e5 2. Bc4 Nf6 3. Nc3 Nxe4 4. Qh5 Nd6 5. Qxe5+ Qe7 6. Qxe7+ Bxe7 7. Bb3 Nf5 8. Nf3 c6 {C27: Vienna Game: 2...Nf6 3 Bc4 Nxe4.} 9. O-O d5 10. Re1 Be6 {The position is equal.} 11. Ne2 Nd7 {[#]} 12. c3 $146 ({Predecessor:} 12. d4 O-O 13. Nf4 Rae8 14. Nxe6 fxe6 15. Rxe6 Bf6 16. Rxe8 Rxe8 17. Be3 Kf8 18. c3 Nxe3 19. fxe3 Rxe3 {½-½ (41) Elsen,M (2225)-Luethgens,E (2295) Germany 1995}) 12... Nd6 13. Nf4 Bg4 14. Nd4 Nc5 15. Bc2 a5 16. f3 Bd7 17. b3 b6 (17... Kd8 $11 {keeps the balance.}) 18. Ba3 (18. Nh5 $16) 18... Kd8 $11 19. Nd3 (19. Nde2 {seems wilder.} Kc7 20. d4 Ncb7 21. Nd3 Bh4 22. g3) 19... Nxd3 20. Bxd3 c5 21. Ne2 Bf6 22. Nf4 Bc6 $1 23. Nh5 Bg5 $36 {[%mdl 2048] Black has good play.} 24. Rad1 g6 25. Ng3 Kd7 26. Be2 Rhe8 27. d4 (27. Bc1 $142) 27... cxd4 $17 28. cxd4 a4 {[%cal Ba5a4,Ba4a3][%mdl 32]} 29. Bxd6 (29. Bc1 $17 {was necessary.} Bf6 30. b4) 29... Kxd6 $19 30. b4 a3 31. Nf1 $2 {[#]} (31. Kf1) 31... Ba4 32. Ra1 (32. Rb1 $142 Bc2 33. Kf2) 32... Bf6 {Accuracy: White = 51%, Black = 91%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.08"]
[Round "3.30"]
[White "Miculka, Petr"]
[Black "Titscher, Libor"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "2040"]
[BlackElo "2153"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,58,20,17,-65,-12,-21,-20,-36,-4,-6,0,-33,-50,-300,-295,-293,-293,-269,-119,-119,-119,-252,-242,-290,-270,-316,-103,-105,-104,-452,-448,-425,-413,-944,-942,-873,0,0,0,0,0,-12831,-12830,-12830,-12832,-5493,-733]} 1. e4 c5 2. Nf3 Nc6 3. c3 e5 4. d4 cxd4 5. cxd4 exd4 6. Nxd4 Nf6 7. Nc3 {7.Nc3 is better than 7.Nxc6.} Bb4 8. Bg5 {B22: Sicilian: 2 c3.} ({White should try} 8. Nxc6 $11 bxc6 9. Bd3) 8... h6 (8... Qa5 $15 9. Nxc6 Bxc3+ 10. bxc3 Qxg5) 9. Nxc6 bxc6 10. Bh4 {[#] The position is equal.} d5 $146 ({Predecessor:} 10... O-O 11. Bd3 d5 12. O-O Bxc3 13. bxc3 dxe4 14. Bxf6 Qxd3 15. Bd4 Qxd1 16. Rfxd1 Be6 {½-½ (37) Isaksen,P (1785)-Webb,R (2243) England 2018}) 11. exd5 g5 {Hoping for ...0-0.} 12. Bg3 Nxd5 13. Qd4 $2 (13. Qc2 $15) 13... Qe7+ $19 14. Be2 O-O 15. Kf1 Nxc3 ({Weaker is} 15... Bxc3 16. bxc3 Re8 17. Bd3 $15) (15... Re8 $19 16. Bd3 Bf5 $1 {[%mdl 512]} 17. Bxf5 Bxc3) 16. bxc3 $17 Re8 {[#]} 17. Bc4 (17. Qe5 $1 $17 {[%mdl 512] might work better.}) 17... Bc5 $19 18. Qd3 {Strongly threatening Qg6+.} Qf6 $1 {aiming for ...Re3.} 19. h4 {Threatening hxg5.} g4 $2 (19... Bf5 $19 {and Black stays clearly on top.} 20. Qd2 Rad8 21. hxg5 Qg6) 20. Kg1 $17 Bf5 21. Qd2 $2 {[%mdl 8192]} (21. Qf1 $17 {was the crucial defense.}) 21... Rad8 $19 22. Qb2 Bd3 23. Bxd3 (23. Qb3 $142 a5 24. a4) 23... Rxd3 24. Kh2 {[#]} Rxc3 $2 (24... Rxg3 $1 $19 {[%mdl 512]} 25. fxg3 {[#]} Bd6 $1 {[%mdl 512]}) 25. Rhe1 $11 Rxe1 26. Rxe1 {And now Re4 would win.} Bd6 $1 27. Re3 $2 {[%mdl 8192]} (27. Re8+ $11 Kg7 28. Re4 (28. Bxd6 Qxd6+ 29. g3 Qd4 $11)) 27... Qxh4+ $1 $19 {Black is clearly winning.} 28. Kg1 Rxe3 {[%cal Re3e1]} 29. Qd2 Bxg3 {Accuracy: White = 34%, Black = 54%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.08"]
[Round "3.31"]
[White "Berndt, Matthias"]
[Black "Tesar, Jan"]
[Result "0-1"]
[ECO "B26"]
[WhiteElo "2098"]
[BlackElo "2008"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,66,8,0,0,-14,0,-28,-37,-27,-31,-70,-69,-56,-19,-85,-87,-103,-129,-201,-116,-281,-118,-174,-153,-270,-267,-263,-241,-286,-275,-286,-282,-401,-163,-239,-268,-286,-249,-252,-264,-408,-359,-345,-276,-729,-681,-936,-380,-373,-362,-316,-61,-29995,-29996,-29996,-29997]} 1. e4 c5 2. Nc3 d6 3. g3 g6 4. Bg2 Bg7 5. d3 Nc6 6. Be3 Nd4 7. Qc1 Nf6 {[#] B26: Closed Sicilian: 3 g3, lines with early Be3.} 8. h3 $146 ({Predecessor:} 8. Nd1 Ng4 9. Bd2 O-O 10. h3 Ne5 11. f4 Nec6 12. c3 Nb5 13. Nf3 f5 14. Qc2 Nc7 15. exf5 gxf5 {0-1 (54) Narciso Dublan,M (2551)-Moreno Ruiz,J (2527) San Sebastian 2011}) 8... O-O 9. Nce2 e5 {Black has an edge.} 10. c3 Ne6 11. f4 exf4 12. gxf4 Nh5 13. Nf3 (13. Qd2 $11 {keeps the balance.}) 13... f5 $17 14. O-O Bd7 15. e5 {[#]} (15. Ng5 $17 {was the only defense.}) 15... Bb5 (15... dxe5 $1 $19 16. fxe5 f4) 16. Rd1 $2 {[#]} (16. Qd2 $17 {was necessary.}) 16... Qe7 (16... dxe5 $1 $19 17. fxe5 f4) 17. Qc2 (17. a4 $17 Ba6 18. c4) 17... Kh8 18. c4 (18. a4 $17 Ba6 19. b4) 18... Bc6 $19 19. d4 Be4 20. Qb3 cxd4 21. exd6 Qxd6 {Threatens to win with ...d3.} 22. Nexd4 (22. Nfxd4 $142 Bxg2 23. Kxg2) 22... Nxd4 (22... Nexf4 $142 23. c5 Qe7 24. Bxf4 Nxf4) 23. Nxd4 (23. Bxd4 {is a better defense.} Qxf4 24. Qc3) 23... Bxg2 ({Don't do} 23... Nxf4 24. Bxf4 Qxf4 25. Ne6 $17) 24. Kxg2 Nxf4+ 25. Bxf4 Qxf4 26. Nf3 (26. Qg3 $142 Qe4+ 27. Qf3) 26... Rae8 {Strongly threatening ...Re2+.} 27. Re1 g5 28. Qd3 $2 (28. Rxe8 Rxe8 29. Re1 Rxe1 30. Nxe1) 28... g4 29. Ng1 Be5 (29... Rd8 $142 30. Qg3 Qxc4) 30. Re2 Rg8 {White must now prevent ...gxh3+.} 31. Kh1 g3 $2 ({Better is} 31... gxh3 $19 32. Nf3 Bf6) 32. Rae1 $2 {[%mdl 8192] [#]} (32. Kg2 $15) 32... g2+ $1 {[%mdl 512]} 33. Rxg2 Rxg2 {Accuracy: White = 26%, Black = 52%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.08"]
[Round "3.32"]
[White "Bradac, Roman"]
[Black "Haentsch, Ralf"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "1974"]
[BlackElo "2087"]
[Annotator "TA"]
[PlyCount "107"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,107,6,17,8,26,0,0,-20,13,-39,-46,-71,-17,-17,85,90,80,87,94,-103,110,104,111,90,95,67,77,62,50,64,85,46,56,62,43,-45,28,0,80,74,120,120,120,120,120,120,120,120,120,120,120,120,120,120,299,268,277,265,400,388,637,633,533,647,630,626,575,206,214,189,187,187,570,179,179,135,147,176,1533,1447,1389,1303,1640,1405,29986,29987,29988,29989,29993,29992,29993,29994]} 1. d4 Nf6 2. Nf3 e6 3. Bf4 b6 4. e3 Bb7 5. Nbd2 Be7 6. h3 O-O 7. Bd3 d5 8. O-O c5 9. c3 Nc6 10. Qe2 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} Bd6 11. Ne5 {11.Rfe1 gains popularity.} Qc7 {[%cal Rc6e5]} 12. Ndf3 {The position is equal.} Ne4 13. Qc2 (13. Nxc6 $11 Bxf4 14. exf4 Bxc6 15. dxc5) 13... Ne7 $15 {[#]} 14. Ng5 $146 {[%cal Rg5e4]} ({Predecessor:} 14. Bxe4 dxe4 15. Ng5 cxd4 16. exd4 Ng6 17. Bg3 Nxe5 18. dxe5 Bxe5 19. f4 Bd4+ 20. Kh2 {0-1 (92) Yurtseven,M (2133)-Sanal,V (2399) Antalya 2013}) 14... Nxg5 ({Black should try} 14... cxd4 $17 15. Bxe4 (15. exd4 Nxg5 16. Bxg5 f6 $17 {[%mdl 64] Double Attack}) 15... dxe4 16. exd4 Ng6) 15. Bxg5 $11 f6 (15... Bxe5 $11 16. dxe5 (16. Bxh7+ Kh8 $17) 16... Ng6) 16. Bxh7+ $16 Kh8 17. Ng6+ $1 Nxg6 18. Qxg6 $2 (18. Bxg6 $16 {is necessary to keep the advantage. aiming for Qe2.} fxg5 19. Qe2) 18... Qf7 $2 (18... fxg5 $17 {stays on course.} 19. Qh5 g6 $1 {[%mdl 512]} 20. Bxg6+ Kg8 21. Qxg5 Qg7) 19. Bh4 f5 20. f4 Ba6 21. Rfc1 (21. Qxf7 {keeps more tension.} Rxf7 22. Bg6 Rff8 23. Rfd1 Be2 24. Rd2) 21... Bd3 22. g4 (22. Qxf7 {is more complex.} Rxf7 23. Bg6 Rff8 24. Kf2 Kg8 25. g4) 22... Qxg6 23. Bxg6 $40 {[%mdl 128] White is up to no good.} c4 24. g5 b5 25. a3 a5 $1 26. Kf2 (26. Be1 $14) 26... Ra7 ({Better is} 26... b4 $15) 27. Kf3 Rb8 (27... Be4+ $11 {remains equal.} 28. Ke2 Bd3+ 29. Kd2 Rfa8) 28. Be1 Kg8 29. h4 Kf8 30. h5 Ke7 31. Rd1 Be4+ 32. Ke2 Kd7 33. Bd2 Rab7 34. Ra2 Bf8 35. Rg1 b4 $2 {Now Black is done in.} (35... Be7 $16) 36. axb4 $18 axb4 37. Rga1 bxc3 (37... Kc7 $142 38. Ra7 Bd3+ 39. Kf2 Rxa7 40. Rxa7+ Kb6) 38. Bxc3 Bb4 $2 (38... Bd6 39. Ra7 Rc7) 39. Ra7 Bxc3 40. bxc3 Kc8 {Black hopes to continue with ...Rb2+.} 41. Rxb7 Rxb7 {[%mdl 4096] Endgame KRB-KRB} 42. h6 $2 (42. Ra8+ Kd7 43. h6 gxh6 44. gxh6 Rb2+ 45. Ke1 Rb1+ 46. Kf2 Rb2+ 47. Kg3 Rg2+ 48. Kh4 Rxg6 49. h7 Rh6+ 50. Kg5) 42... Rb2+ 43. Ke1 gxh6 44. gxh6 Rh2 $2 (44... Kb7 45. h7 Rh2) 45. h7 $2 (45. Ra8+ Kb7 46. Rh8 Rh1+ 47. Kd2 Rh2+ 48. Kc1 Rc2+ 49. Kd1 Rxc3 50. h7) 45... Kb7 46. Ra2 Rh1+ 47. Kf2 Rh2+ $2 {[#]} (47... Rh6 48. Ke1 Rh1+ 49. Kf2 Rh3) 48. Kg3 $1 {[%cal Rg3h2]} Rxa2 49. h8=Q Rc2 50. Qf8 Kc7 51. Qe7+ {White mates.} Kb8 52. Be8 Rc1 53. Qd6+ Kb7 54. Bc6+ {Accuracy: White = 59%, Black = 52%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.08"]
[Round "3.33"]
[White "Bretsnajdr, Vladimir"]
[Black "Kozak, Milos"]
[Result "1/2-1/2"]
[ECO "C92"]
[WhiteElo "2230"]
[BlackElo "2174"]
[Annotator "TA"]
[PlyCount "29"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 28,29,38,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 {[#]} Re8 $146 ({Predecessor:} 9... Na5 10. Bc2 c5 11. d4 Qc7 12. d5 Nc4 13. a4 Bd7 14. b3 Nb6 15. a5 Nc8 16. c4 b4 17. Nbd2 g6 18. Nf1 Nh5 19. g4 Nf4 20. Bxf4 exf4 21. Qd2 Bf6 22. Qxf4 Bxa1 23. Rxa1 {1-0 (48) Caruana,F (2822)-Naroditsky,D (2621) chess.com INT 2020}) 10. Ng5 Rf8 11. Nf3 Re8 12. Ng5 Rf8 13. Nf3 Re8 14. Ng5 Rf8 15. Nf3 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.08"]
[Round "3.34"]
[White "Bartos, Jan"]
[Black "Kaplan, Zdenek"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2102"]
[Annotator "TA"]
[PlyCount "34"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,21,14,13,9,8,0,0,7,0,-4,16,0]} 1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. b3 Be7 5. Bb2 Nbd7 6. Be2 O-O {The position is equal.} 7. O-O {A13: English Opening: 1...e6.} b6 8. cxd5 exd5 9. Nc3 Bb7 10. Rc1 c5 11. d4 {[#] A rather calm draw.} {Predecessor:} Re8 $146 12. Bb5 a6 13. Bxd7 Qxd7 14. Na4 Qb5 15. dxc5 bxc5 16. Bxf6 Bxf6 17. Nxc5 Bc6 {1-0 (38) Saurabh,K (2235)-Erra Soler,G (1678) Barcelona 2019} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.08"]
[Round "3.35"]
[White "Sura, Jaroslav"]
[Black "Chaloupka, Vladimir"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "2013"]
[BlackElo "2058"]
[Annotator "TA"]
[PlyCount "30"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 1,1,6]} 1. e4 {Not much happened in this game.} {Predecessor:} e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves.} Be7 7. Be3 O-O 8. Bd3 Nd7 9. Qd2 Nc5 10. O-O-O Nxd3+ 11. Qxd3 Re8 12. h4 Qd7 13. Rde1 Qf5 14. Qd2 Bd7 15. Nd4 Qd5 {1-0 (42) Nakamura,H (2745)-So,W (2767) chess.com INT 2020} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.08"]
[Round "3.36"]
[White "Chaloupka, Frantisek"]
[Black "Ruzicka, Tomas"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1990"]
[BlackElo "1748"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,81,0,-10,0,-3,8,3,39,28,75,58,66,55,73,44,104,88,92,85,99,79,204,196,306,312,275,314,288,300,293,304,966,939,1910,883,1188,889,2284,842,799,355,339,300,378,370,391,64,162,151,178,152,255,221,258,257,252,242,272,266,329,325,391,387,387,386,445,444,794,784,825,818]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d3 Nf6 6. Bg5 Be7 7. Be2 O-O {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves.} 8. O-O Be6 {[#]} 9. Nd4 $146 ({Predecessor:} 9. Nc3 Nc6 10. Re1 h6 11. Bh4 d5 12. Qd2 d4 13. Nb5 Bb4 14. Qd1 Bxe1 15. Nxe1 {0-1 (22) Kicker,A (800)-Enache,D (1176) Velden 2014}) 9... Nbd7 {The position is equal.} 10. Nd2 Ne5 11. Nxe6 fxe6 12. c3 Ng6 13. Qb3 Qc8 (13... Nd5 $14 14. Bxe7 Qxe7) 14. d4 Nd5 15. Bxe7 Ngxe7 16. Rae1 b6 (16... c6 $16 {might work better.}) 17. Bg4 $18 Rf6 (17... Kh8 {was worth a try.} 18. Bxe6 {[%mdl 64] Double Attack} Qb7) 18. Ne4 Rg6 {[#]} 19. Ng5 $1 {[%cal Rg4e6][%mdl 512]} Nf4 (19... Rxg5 20. Bxe6+) 20. Nxe6 Rxg4 21. Nxf4+ {[%mdl 64] Discovered Attack} Kf8 $2 (21... Kh8 22. Rxe7 Rxf4) 22. Ne6+ Kg8 23. Nxc7+ (23. Nd8+ $142 Kh8 24. Nf7+ Kg8 25. Nxd6+ Kh8 26. Nxc8 Rxc8 27. Rxe7) 23... Kf8 24. Ne6+ Kg8 25. Ng5+ (25. Nd8+ $142 Kh8 26. Nf7+ {[%mdl 64] Double Attack} Kg8 27. Nxd6+ Kh8 28. Nf7+ Kg8 29. Nd6+ Kh8 30. Nxc8 Rxc8 {[#]} 31. Qe6 $1 {[%mdl 576] Double Attack}) 25... d5 26. f3 (26. f4 $142 Rxg5 27. fxg5) 26... Rxg5 27. Rxe7 Qh3 {[%csl Gg5][%cal Rh3g2]} 28. Rf2 Qh4 {Now ...Rh5 and Black clings on.} 29. Qd1 $2 (29. Qb5 $18 {Re8+ is the strong threat.} h6 30. Qd7) 29... Rh5 (29... Rxg2+ $1 $14 30. Rxg2 Qxe7) 30. Qe1 {Intending Re8+ and mate.} Qxh2+ 31. Kf1 {Re8+ would kill now.} Qh1+ (31... Qd6 $16 32. Qe6+ (32. Re8+ $2 Kf7 $19) 32... Qxe6 33. Rxe6 Rh1+ 34. Ke2 Kf8) 32. Ke2 Qxe1+ 33. Kxe1 {[%mdl 4096] Endgame KRR-KRR} Kf8 34. Rfe2 a5 35. Rb7 Rh6 36. Kf2 Re8 37. Rxe8+ Kxe8 38. Rxg7 Kd8 39. f4 {White is clearly winning.} Kc8 (39... Rh4 $142 40. Kf3 Rh1) 40. f5 Rh1 41. f6 {Accuracy: White = 62%, Black = 24%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.08"]
[Round "3.37"]
[White "Bartak, Vladimir"]
[Black "Janacek, Jaroslav"]
[Result "1-0"]
[ECO "A21"]
[WhiteElo "2276"]
[BlackElo "2056"]
[Annotator "RC"]
[PlyCount "101"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. c4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. Nc3 {[%emt 0:00:00]} d6 {[%emt 0:00:00]} 3. d3 {[%emt 0:00:20]} f5 {[%emt 0:00:19]} 4. g3 {[%emt 0:00:22]} Nf6 {[%emt 0:00:27]} 5. Bg2 {[%emt 0:00:15]} Be7 {[%emt 0:00:26]} 6. f4 {[%emt 0:01:32]} O-O {[%emt 0:00:47]} 7. Nh3 {[%emt 0:04:46]} Qe8 {[%emt 0:02:34]} 8. O-O {[%emt 0:04:17]} Na6 {[%emt 0:02:46]} 9. Rb1 {[%emt 0:14:09]} c6 {[%emt 0:00:53]} 10. b4 {[%emt 0:01:59]} Bd7 {[%emt 0:02:43]} 11. Nf2 {[%emt 0:12:54]} Bd8 {[%emt 0:02:59]} 12. Kh1 {[%emt 0:06:22]} Bc7 {[%emt 0:00:49]} 13. e3 {[%emt 0:08:35]} Rd8 {[%emt 0:04:01]} 14. Re1 {[%emt 0:01:25]} h6 {[%emt 0:08:15]} 15. d4 {[%emt 0:10:08]} e4 {[%emt 0:01:10]} 16. b5 {[%emt 0:02:20]} cxb5 {[%emt 0:10:52]} 17. Nxb5 Bb8 18. Ba3 {[%emt 0:05:59]} Bc8 {[%emt 0:03:25]} 19. d5 {[%emt 0:02:12]} Qg6 {[%emt 0:03:01]} 20. Qd4 {[%emt 0:03:29]} b6 {[%emt 0:03:03]} 21. Rg1 {[%emt 0:01:01]} Nc5 {[%emt 0:01:22]} 22. Bb2 {[%emt 0:00:26]} a6 {[%emt 0:05:13]} 23. Na3 {[%emt 0:00:21]} Rf7 {[%emt 0:02:16]} 24. Bf1 {[%emt 0:01:08]} Ba7 {[%emt 0:03:11]} 25. Qd2 {[%emt 0:01:07]} h5 {[%emt 0:01:56]} 26. Ba1 {[%emt 0:01:26]} Ng4 {[%emt 0:00:38]} 27. Nh3 {[%emt 0:00:44]} Re7 {[%emt 0:06:56]} 28. Nc2 {[%emt 0:00:06]} Nd3 {[%emt 0:07:21]} 29. Nd4 {[%emt 0:00:05]} Bd7 {[%emt 0:01:44]} 30. Rg2 {[%emt 0:00:03]} b5 {[%emt 0:04:15]} 31. cxb5 {[%emt 0:00:02]} Bxd4 {[%emt 0:00:32]} 32. Bxd4 {[%emt 0:00:03]} Bxb5 {[%emt 0:00:37]} 33. Ng5 {[%emt 0:00:02]} Rde8 {[%emt 0:08:09]} 34. Qc2 {[%emt 0:01:24]} Nf6 {[%emt 0:03:27]} 35. a4 {[%emt 0:03:11]} Bd7 {[%emt 0:00:17]} 36. Qb3 {[%emt 0:03:46]} Nh7 {[%emt 0:05:06]} 37. h4 {[%emt 0:03:14]} Nf6 {[%emt 0:00:56]} 38. Rd2 {[%emt 0:01:15]} Ng4 {[%emt 0:00:27]} 39. Kg1 {[%emt 0:00:57]} Rc8 {[%emt 0:04:40]} 40. Qb6 {[%emt 0:00:00]} a5 {[%emt 0:00:00]} 41. Qxa5 {[%emt 0:08:46]} Qe8 {[%emt 0:02:40]} 42. Qb6 {[%emt 0:05:41]} Bxa4 {[%emt 0:01:39]} 43. Ra2 {[%emt 0:06:16]} Bc2 {[%emt 0:07:12]} 44. Rba1 {[%emt 0:00:23]} Ndf2 {[%emt 0:00:47]} 45. Ra7 {[%emt 0:06:58]} Bd3 {[%emt 0:03:09]} 46. Qxd6 {[%emt 0:00:54]} Rxa7 {[%emt 0:11:15]} 47. Rxa7 {[%emt 0:00:05]} Qf8 {[%emt 0:04:07]} 48. Qe6+ {[%emt 0:00:18]} Kh8 {[%emt 0:01:07]} 49. Qg6 {[%emt 0:01:01]} Nh3+ {[%emt 0:01:02]} 50. Nxh3 {[%emt 0:00:30]} Nf6 {[%emt 0:01:15]} 51. Rxg7 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.08"]
[Round "3.38"]
[White "Korinkova, Eva"]
[Black "Hosticka, Frantisek"]
[Result "1/2-1/2"]
[ECO "B02"]
[WhiteElo "1811"]
[BlackElo "2096"]
[Annotator "TA"]
[PlyCount "107"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,107,62,46,50,18,18,30,16,-41,-47,-60,-60,-97,9,9,14,11,11,16,16,0,0,0,0,0,0,14,9,7,0,0,0,-43,-30,-90,-103,-93,-5,0,0,0,0,-8,-8,-5,0,0,0,0,0,-5,0,0,0,0,0,0,5,0,168,197,179,179,171,127,111,44,137,130,157,67,67,0,95,52,67,45,56,45,67,67,90,90,90,84,95,67,67,67,120,8,8,8,8,8,8,8,8,8]} 1. e4 Nf6 2. Nc3 d5 3. e5 Ne4 4. Nce2 d4 5. c3 Nc6 6. Nf3 {[%cal Re2d4]} dxc3 {B02: Alekhine's Defence: Chase Variation and lines with early Nc3.} 7. bxc3 Bg4 $1 8. d4 e6 {[#] White has an edge.} 9. h4 $146 ({Better is} 9. h3 $11 Bf5 10. Bb2) ({Predecessor:} 9. h3 Bf5 10. g4 Bg6 11. Bg2 h5 12. O-O hxg4 13. hxg4 Qd7 14. Qe1 O-O-O 15. Nf4 {1-0 (26) Schmaltz,R (2522)-Van der Werf,M (2423) Netherlands 2002}) 9... Qd5 $15 10. Qc2 O-O-O 11. Bb2 {[#]} Nb4 (11... Bb4 $1 $17 {[%mdl 512]} 12. cxb4 Nxb4) 12. cxb4 $11 Bxb4+ 13. Nc3 {next 0-0-0 is good for White.} Bxf3 14. gxf3 Nxc3 15. Bxc3 Qxd4 $1 16. Rc1 Rd5 $36 {[%mdl 2048] aiming for ...Rc5. White is under pressure.} 17. Bxb4 Qxb4+ 18. Qc3 Rxe5+ 19. Be2 Qxc3+ 20. Rxc3 Rd8 21. Re3 Ra5 {[%mdl 1024] Black has compensation.} 22. Bc4 {[#]} (22. a3 $11) 22... Rc5 $1 $17 {[%cal Rc5c4]} 23. Rc3 {[#] And now Bxe6+! would win.} Kb8 (23... Rd6 $1 $17 {[%cal Rd6c6] White must now prevent ...Rdc6.} 24. O-O Rh5) 24. Rc2 $1 $11 Rd4 25. Bb3 Rh5 26. Rc4 Rxc4 27. Bxc4 {[%mdl 4096] Endgame KRB-KR} b5 28. Bd3 g6 29. Kd2 a6 30. Ke3 c5 31. f4 c4 32. Be4 Kc7 33. Kd4 Kd6 34. Rh3 Rc5 $2 (34... Kc7 $11) 35. Ra3 $18 Rh5 36. Rxa6+ Ke7 37. Bc6 Rxh4 38. Ke3 (38. Bxb5 $16 Rxf4+ 39. Ke3) 38... b4 (38... Rh3+ $14 39. f3 Rh5) 39. Rb6 $16 Kd6 40. Be8+ ({White should play} 40. Bg2+ $16 Kc5 41. Rc6+ Kb5 42. Rc7) 40... Ke7 $14 41. Bc6 (41. Ba4 $14) 41... b3 (41... Kd6 $1 $11 {remains equal.}) 42. axb3 cxb3 43. Rxb3 Rh3+ 44. Bf3 Kf6 45. Rb1 g5 46. fxg5+ Kxg5 47. Rg1+ Kf6 48. Rh1 (48. Kf4 {looks sharper.} h5 49. Rg8 e5+ 50. Ke4 Ke6 51. Re8+) 48... Rxh1 49. Bxh1 {KB-K3P} h5 (49... Kg5 $14) 50. Kf4 (50. Ke4 $16) 50... e5+ $11 {The position is equal.} 51. Kg3 {Threatens to win with Bd5.} Kg5 52. Bg2 f5 53. f4+ exf4+ 54. Kf3 {Black escapes into a draw. Accuracy: White = 67%, Black = 74%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.08"]
[Round "3.39"]
[White "Strnad, Josef"]
[Black "Oburka, Vladislav"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "1860"]
[BlackElo "1759"]
[Annotator "NA RC"]
[PlyCount "82"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. g3 {[%emt 0:00:02]} d5 {[%emt 0:00:09]} 3. d4 {[%emt 0:00:08]} e6 {[%emt 0:00:18]} 4. Bg2 {[%emt 0:00:11]} Nbd7 {[%emt 0:00:19]} 5. b3 {[%emt 0:03:27]} b6 {[%emt 0:04:51]} 6. Bb2 {[%emt 0:00:30] D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} Bb4+ {[%emt 0:00:47]} 7. c3 {[%emt 0:00:07]} Be7 {[%emt 0:00:07]} 8. O-O {[%emt 0:00:15] [#]} O-O $146 ({Predecessor:} 8... Bb7 9. c4 O-O 10. Nc3 dxc4 11. bxc4 Ne4 12. Qc2 Nxc3 13. Bxc3 c5 14. Ne5 Bxg2 15. Kxg2 Qc7 16. Nxd7 Qxd7 17. dxc5 Bxc5 18. Rfd1 Qc6+ 19. Kg1 {½-½ (46) Szymczak,R (2081)-Alvarado Rodriguez,C (2191) Warsaw 2007}) 9. Nbd2 Bb7 {[%emt 0:02:11]} 10. Rc1 {[%emt 0:01:55]} c5 {[%emt 0:00:39]} 11. Re1 {[%emt 0:01:38]} Rc8 {[%emt 0:00:20]} 12. e3 {[%emt 0:01:26]} Re8 {[%emt 0:02:05]} 13. c4 {[%emt 0:00:48]} h6 {[%emt 0:02:29]} 14. Ne5 {[%emt 0:03:40]} Rc7 {[%emt 0:06:53]} 15. Qe2 {[%emt 0:09:39]} Qa8 {[%emt 0:11:10]} 16. Red1 {[%emt 0:05:05]} dxc4 {[%emt 0:02:11]} 17. Bxb7 {[%emt 0:00:25]} Qxb7 {[%emt 0:00:18]} 18. Ndxc4 {[%emt 0:01:34]} Rd8 {[%emt 0:06:55]} 19. f3 {[%emt 0:04:26]} Nh7 {[%emt 0:07:58]} 20. Kf2 {[%emt 0:02:02]} Nxe5 {[%emt 0:05:22]} 21. Nxe5 {[%emt 0:03:05]} Rcc8 {[%emt 0:04:39]} 22. Rc2 {[%emt 0:07:57]} Nf6 {[%emt 0:04:17]} 23. Rcd2 {[%emt 0:02:43]} Qc7 {[%emt 0:03:02]} 24. Rc1 {[%emt 0:08:04]} Qb7 {[%emt 0:00:46]} 25. e4 {[%emt 0:10:11]} cxd4 {[%emt 0:03:14]} 26. Rxc8 {[%emt 0:00:29]} Qxc8 $11 {[%emt 0:02:07]} 27. Bxd4 {[%emt 0:00:48]} Bc5 {[%emt 0:01:23]} 28. Qc4 {[%emt 0:05:33]} b5 {[%emt 0:06:47]} 29. Qxc5 {[%emt 0:07:17]} Qxc5 {[%emt 0:00:15]} 30. Bxc5 {[%emt 0:00:02]} Rxd2+ {[%emt 0:00:07]} 31. Ke3 {[%emt 0:00:10]} Rxa2 {[%emt 0:00:08]} 32. h4 {[%emt 0:00:58]} a5 {[%emt 0:01:39]} 33. Kd3 {[%emt 0:01:10]} Nh5 {[%emt 0:04:00]} 34. g4 {[%emt 0:02:23]} Nf4+ {[%emt 0:00:12]} 35. Kc3 {[%emt 0:00:27]} Ne2+ {[%emt 0:05:17]} 36. Kd3 {[%emt 0:00:53]} Nc1+ {[%emt 0:00:47]} 37. Kc3 {[%emt 0:00:24]} b4+ {[%emt 0:00:25]} 38. Kc4 {[%emt 0:00:38]} Rc2+ {[%emt 0:00:33]} 39. Kb5 {[%emt 0:00:28]} Nxb3 {[%emt 0:00:15]} 40. Bd6 {[%emt 0:02:22]} Ra2 {[%emt 0:02:39]} 41. Bc7 {[%emt 0:03:23]} Nd4+ {[%emt 0:03:39]} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.08"]
[Round "3.40"]
[White "Kuda, Pavel"]
[Black "Kalvach, Ladislav"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "1421"]
[BlackElo "1773"]
[Annotator "NA RC"]
[PlyCount "43"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. Bf4 {[%emt 0:00:28]} e6 {[%emt 0:00:00]} 3. e3 {[%emt 0:00:15]} c5 {[%emt 0:00:00]} 4. c3 {[%emt 0:02:21]} Be7 {[%emt 0:01:14]} 5. Nf3 {[%emt 0:00:39]} Nc6 {[%emt 0:00:33]} 6. h3 {[%emt 0:02:14]} a6 {[%emt 0:01:31]} 7. Bd3 {[%emt 0:00:17]} d5 {[%emt 0:01:01]} 8. Nbd2 {[%emt 0:02:54]} c4 {[%emt 0:01:58]} 9. Bb1 {[%emt 0:03:56]} b5 {[%emt 0:01:16]} 10. a3 {[%emt 0:16:45]} Bb7 {[%emt 0:02:08]} 11. Ne5 {[%emt 0:03:06]} Nxe5 {[%emt 0:10:32]} 12. Bxe5 {[%emt 0:02:20]} Bd6 {[%emt 0:05:24]} 13. Qf3 {[%emt 0:09:09]} Bxe5 {[%emt 0:08:25]} 14. dxe5 {[%emt 0:00:21]} Nd7 {[%emt 0:01:01]} 15. Qg3 {[%emt 0:01:32]} g6 {[%emt 0:10:18]} 16. Nf3 {[%emt 0:03:10]} Qe7 {[%emt 0:04:10]} 17. Nd4 {[%emt 0:10:10]} Nc5 {[%emt 0:12:31]} 18. f3 {[%emt 0:10:05]} Rc8 {[%emt 0:01:16]} 19. Bc2 {[%emt 0:00:59]} O-O {[%emt 0:03:57]} 20. h4 {[%emt 0:00:52]} Kh8 {[%emt 0:10:36]} 21. Qg5 {[%emt 0:09:39]} Qxg5 {[%emt 0:02:21]} 22. hxg5 {[%emt 0:00:11]} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.08"]
[Round "3.41"]
[White "Schlag, Andreas"]
[Black "Weyrich, Morten"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "2057"]
[BlackElo "2281"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,96,0,0,-35,0,-11,0,-13,-2,-14,-7,-25,8,5,0,0,0,-23,-20,-58,0,-53,-5,-43,-24,-31,-8,-11,-11,-16,-13,-106,-106,-100,-94,-102,-75,-75,-75,-59,-8,-13,0,0,0,-195,-197,-206,-225,-225,-196,-311,-281,-273,-212,-218,-230,-247,-218,-247,-253,-255,-222,-235,-235,-196,-122,-308,-308,-308,-308,-298,-295,-337,-308,-308,-308,-510,-512,-5373,-5031,-29965,-29972,-29984,-29985,-29982,-29981]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nxc6 Qf6 6. Qe2 dxc6 {6...bxc6 might become the main line.} 7. h3 {[#] C45: Scotch Game.} Ne7 $146 ({Predecessor:} 7... Be6 8. Nd2 O-O-O 9. Nf3 Bb4+ 10. Nd2 Bxd2+ 11. Bxd2 Qxb2 12. Qd1 Nf6 13. Bd3 c5 14. Rb1 Qa3 {0-1 (23) Brueckner,S-Schmidt,P Kiel 2000}) 8. Nc3 Be6 9. Qf3 {The position is equal.} Qxf3 10. gxf3 O-O-O 11. Bd3 Rhe8 (11... Ng6 {feels hotter.} 12. Be3 Bd6 13. O-O-O Kb8 14. b3 b6) 12. Be3 Bd4 13. Bxd4 Rxd4 14. Ne2 Rd6 15. Nf4 Red8 ({Black should play} 15... Bd7 $15) 16. Nxe6 (16. h4 $11) 16... Rxe6 (16... fxe6 {with more complications.} 17. Rg1 Ng6 18. Rg3 Rf8 19. O-O-O Rd7) 17. O-O-O Rf6 18. Be2 Ng6 19. Rxd8+ Kxd8 $11 {[%mdl 4096] Endgame KRB-KRN} 20. Kd2 Nh4 21. Ke3 (21. Rg1 $1 $11 {keeps the balance.}) 21... g5 $17 22. Rg1 {[#]} h6 $1 23. Rg4 Re6 24. Bc4 {[#]} Re7 $1 25. Rg1 Nf5+ (25... f5 $15) 26. Kd3 $11 Rd7+ 27. Kc3 Nd4 28. h4 $2 (28. f4 $11 {and White has nothing to worry.}) 28... Nxf3 $19 ({Less strong is} 28... gxh4 29. Rh1 $15) 29. Rg3 Nxh4 30. f4 gxf4 31. Rg8+ (31. Rh3 $142 Ng6 32. Rxh6) 31... Ke7 32. Rh8 b5 33. Rxh6 Ng6 ({Inferior is} 33... bxc4 34. Rxh4 f3 35. Rf4 $11) 34. Bd3 a6 35. b4 Rd8 36. Rh5 Ke6 37. Be2 Rh8 38. Bg4+ Kd6 (38... Ke7 $19 {...Rxh5 is the strong threat.} 39. Rxh8 Nxh8) 39. Rf5 $2 {This costs White the game.} (39. e5+ $17 Ke7 40. Rxh8 Nxh8 41. Kd3) 39... Ne5 40. Bh5 Ke6 41. Kd4 f6 42. Be2 Rh2 43. Bd3 f3 44. Ke3 $2 (44. Kc3 {keeps fighting.}) 44... Rh1 45. a4 (45. Rf4 $142) 45... bxa4 {[%cal Bb5a4,Ba4a3][%mdl 32]} 46. Bxa6 a3 {Black mates.} 47. Rxe5+ Kxe5 48. Bc4 {[#]} Rh4 $1 {[%mdl 64] Decoy. Accuracy: White = 54%, Black = 74%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.08"]
[Round "3.42"]
[White "Jeske, Eckhard"]
[Black "Baerthel, Klaus"]
[Result "1/2-1/2"]
[ECO "A34"]
[WhiteElo "2158"]
[BlackElo "1875"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,85,25,38,11,14,22,19,5,16,24,60,45,64,0,36,28,38,37,56,45,66,33,91,25,67,35,66,65,96,92,80,81,111,27,60,0,4,-40,-31,-79,-87,-89,-83,-79,-72,-68,-71,-81,-48,-61,-56,-143,-125,-135,-129,-151,-137,-144,-64,-167,-142,-197,-111,-122,-96,-143,-116,-119,0,-126]} 1. c4 Nf6 2. Nc3 c5 3. g3 Nc6 4. Bg2 g6 5. e3 Bg7 6. Nge2 O-O 7. d4 cxd4 8. Nxd4 Rb8 9. O-O a6 10. Qe2 {A39: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3 Nf6 6 0-0 0-0 7 d4.} Qc7 {[#]} 11. Bd2 $146 ({Predecessor:} 11. Rd1 d6 12. b3 Rd8 13. Bb2 Nxd4 14. exd4 h5 15. Re1 Re8 16. h3 b6 17. Rac1 Bb7 {0-1 (48) Ocokoljic,Z (2016)-Kovacic,M (2150) Belgrade 2013}) 11... d6 12. h3 Bd7 13. Rac1 Qd8 14. Rfe1 e5 15. Nc2 (15. Nxc6 $14 bxc6 16. b3) 15... Be6 (15... e4 $5) 16. e4 Qd7 17. Kh2 Rfc8 18. b3 Ne8 19. Be3 f5 (19... Nd4 $14 20. Qd2 b5) 20. Red1 (20. Qd2 $16) 20... Qf7 21. Nd5 Kh8 22. Qd2 Bxd5 23. cxd5 Ne7 24. f3 Nf6 25. a4 (25. Na3 $16) 25... Nh5 $1 $11 26. Bf2 ({Better is} 26. Na3 $14) 26... Qf8 27. Be3 Nxg3 {[%mdl 64] [#] Remove Defender, Decoy} 28. Kxg3 {Strongly threatening Kh2.} f4+ {[%mdl 64] Double Attack} 29. Kf2 {aiming for Bb6.} fxe3+ 30. Nxe3 Rxc1 31. Rxc1 Bh6 32. Qe2 Rc8 33. Rxc8 Qxc8 34. Nc4 (34. Qc4 $15) 34... b5 35. axb5 axb5 36. Nb2 Qc5+ 37. Kf1 Qc1+ ({Black should try} 37... Qc3 $17 38. Kf2 Qxb3) 38. Nd1 (38. Kf2 $1 $15) 38... Bf4 39. Qd3 (39. Kg1 $17) 39... Qc5 (39... Ng8 $19 40. Ke2 b4) 40. Qc3 $17 {Qxc5 would now be nice for White.} Qb6 41. Nf2 Bg3 {[%csl Gg3][%cal Rb6f2] [#]} 42. Nd1 Bf4 43. Nf2 $1 {Accuracy: White = 48%, Black = 58%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.08"]
[Round "3.43"]
[White "Wendling, Jens"]
[Black "Jansen, Andreas"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1908"]
[BlackElo "2206"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,84,39,44,44,64,51,47,46,59,-15,-6,-23,-14,-77,-66,-56,-23,-25,-33,-137,-116,-198,-189,-232,-228,-256,-173,-206,-185,-197,-171,-170,-156,-245,-212,-186,-150,-268,-259,-263,-197,-328,-339,-438,-167,-206,-191,-184,-173,-216,-217,-220,-186,-236,-240,-248,-248,-248,-248,-248,-248,-248,-246,-248,-248,-303,-291,-344,-320,-353,-279,-462,-445,-731,-735,-1120,-946]} 1. e4 g6 2. d4 d6 3. c3 Bg7 4. h3 c6 5. Nf3 Nf6 6. Bd3 {B06: Modern Defence.} Qc7 7. O-O e5 8. Be3 {White is slightly better.} Nbd7 9. Na3 ({Better is} 9. Nbd2 $14) 9... O-O $11 {[#]} 10. Qd2 $146 ({Predecessor:} 10. dxe5 Nxe5 11. Nxe5 dxe5 12. Qe2 Be6 13. Bc5 Rfe8 14. f3 b6 15. Be3 Nh5 16. Kh2 {1-0 (47) Nagy,L (1716)-Schwaninger,U (2008) Hartberg 2004}) 10... d5 11. Qc2 (11. Nxe5 $1 $11 Nxe5 12. dxe5 Nxe4 13. Bxe4 dxe4 14. Bc5) 11... dxe4 12. Bxe4 Nxe4 13. Qxe4 f5 $36 {[%mdl 2048] White is under pressure.} 14. Qc2 {[#] Black continues to play with concentration.} ({White must play} 14. Qh4 $15) 14... e4 $1 $17 {[%cal Re4f3]} 15. Ng5 {[#]} (15. Nh2 $17) 15... Nf6 $1 $19 {[%cal Bd7f6,Bf6d5,Bd5e3][%mdl 32]} 16. Qb3+ Nd5 17. h4 Kh8 {And now ...h6 would win.} 18. c4 Nxe3 19. fxe3 Qg3 20. c5 {Nf7+ would now be nice for White.} Bf6 (20... Qxh4 21. Nf7+ Rxf7 22. Qxf7 $14) 21. Nf7+ (21. Rac1 $17) 21... Kg7 22. Nd6 Rb8 ({Much less strong is} 22... Qxh4 23. Nac4 $15) 23. Nxc8 (23. h5 $17) 23... Rfxc8 ({But not} 23... Rbxc8 24. Rad1 $17) 24. Nc4 Rf8 ({Weaker is} 24... Qxh4 25. Nd6 $14) 25. Nd6 (25. Nd2 {is a better defense.}) 25... Bxh4 26. Rae1 {White hopes to continue with Qe6.} Be7 $2 (26... Qg5 27. Qc3 Bg3) 27. Nc4 Qc7 28. Re2 b5 29. Nd2 a5 {[%cal Ba7a5,Ba5a4][%mdl 32]} 30. Qc2 Bg5 31. Rb1 a4 32. Nf1 Qf7 33. Ra1 Bf6 34. g3 h5 35. Rh2 Rh8 36. b3 Ra8 37. b4 h4 38. Rg2 Rad8 39. Rd1 Qd5 40. Qd2 $2 (40. Qf2 {was worth a try.}) 40... Kf7 {Black is clearly winning.} 41. Nh2 (41. g4 $142 f4 42. Kh1) 41... hxg3 42. Qe1 gxh2+ {Accuracy: White = 39%, Black = 78%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.08"]
[Round "3.44"]
[White "Van Bentum, Horst"]
[Black "Hauke, Hans"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "2036"]
[BlackElo "1688"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,54,0,0,40,9,27,20,56,35,54,37,32,18,39,13,23,12,41,39,53,43,46,33,40,49,64,62,67,60,54,38,47,37,43,39,93,39,43,41,41,45,37,37,42,0,0]} 1. e4 d5 2. exd5 Nf6 3. Nc3 Nxd5 4. Bc4 e6 5. Qf3 c6 6. Nge2 Bd6 {B02: Alekhine's Defence: Chase Variation and lines with early Nc3.} 7. d4 Nd7 8. Ne4 N7f6 9. Nxd6+ Qxd6 10. O-O O-O 11. c3 Re8 {[#]} 12. Ng3 $146 ({Predecessor:} 12. Bf4 Nxf4 13. Nxf4 e5 14. Nh5 e4 15. Nxf6+ Qxf6 16. Qxf6 gxf6 17. f3 Be6 18. Bxe6 Rxe6 19. fxe4 Rxe4 20. Rxf6 {1-0 (61) Wilms,I (2171)-Schulz Streeck,S Germany 2006}) 12... e5 13. Bxd5 Qxd5 14. Qxd5 Nxd5 15. Re1 f6 {[#]} 16. f4 $1 {[%mdl 512]} e4 (16... Nxf4 17. Bxf4) 17. Rxe4 Bd7 18. Bd2 f5 19. Rxe8+ Rxe8 20. Kf2 Kf7 21. Re1 (21. a4 {looks sharper.} Nf6 22. b3 Ng4+ 23. Kg1 Nf6 24. Kf1) 21... Rxe1 22. Kxe1 $14 {[%mdl 4096] Endgame KBN-KBN} Be6 ({Better is} 22... b5 $14) 23. Ne2 (23. c4 $16 Nf6 24. b3) 23... Nf6 24. Nc1 Bd5 25. g3 Ng4 26. h3 Nf6 27. b3 Bg2 {Accuracy: White = 89%, Black = 72%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.08"]
[Round "3.45"]
[White "Kubikova, Hana"]
[Black "Feierfeil, Jiri"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "2064"]
[BlackElo "1721"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,85,62,54,56,50,54,58,36,45,50,48,44,52,47,51,51,66,66,127,85,77,39,50,18,26,27,73,73,80,78,87,83,79,80,90,85,118,118,118,118,332,339,325,324,239,220,421,406,297,516,539,525,533,190,336,327,634,635,664,457,443,412,396,387,1136,916,5216,5218,4134,1754,29984,29985,29985,29986,29989,29989,29988,29988]} 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 b6 5. cxd5 cxd5 6. Bf4 {D15: Slav Defence: 4 Nc3 a6 and gambit lines after 4 Nc3 dxc4.} a6 7. e3 e6 8. Bd3 {[#] White is slightly better.} Be7 $146 ({Predecessor:} 8... Bb7 9. O-O Ne4 10. Bxe4 dxe4 11. Ng5 Bd6 12. Ngxe4 Bxf4 13. exf4 O-O 14. Qd2 Bd5 {1-0 (33) Limberg,M (2028)-Wolff,M (1697) Germany 2008}) 9. Ne5 O-O 10. Rc1 Nfd7 11. O-O Nxe5 12. Bxe5 Bd6 13. f4 f5 ({Black should play} 13... f6 $14) 14. Qb3 Bb7 15. Bxd6 Qxd6 16. Na4 Nd7 17. Rc3 b5 18. Nc5 $36 {[%mdl 2048] White has strong initiative.} Nxc5 19. Rxc5 Rfc8 20. Rfc1 Rxc5 21. Rxc5 Rc8 22. Qc3 Rxc5 23. dxc5 Qc6 {[#] aiming for ...d4!} 24. Bf1 a5 $2 {Loses the game.} (24... Kf7 $16) 25. Qxa5 $18 Qxc5 26. Qd8+ ({Don't take} 26. Qxb5 Qxb5 27. Bxb5 Kf7 $18) 26... Kf7 27. Qd7+ {[%mdl 64] [#] Double Attack} Kf6 $2 (27... Qe7 28. Qxe7+ (28. Qxb5 Qc7 $16) (28. Bxb5 Qxd7 29. Bxd7 Ba6 $16) 28... Kxe7) 28. Qxb7 Qxe3+ 29. Kh1 Qxf4 {[%cal Rf4f1]} 30. Qxb5 d4 31. h3 $2 (31. a4) 31... g5 (31... e5 $142 32. a4 e4) 32. Qd3 Kg6 $2 (32... Qd6 33. a4 Qc5) 33. b4 h5 34. Kg1 g4 35. g3 Qd6 36. a3 e5 $2 (36... gxh3 37. Bxh3 Kf7) 37. hxg4 hxg4 38. Qa6 Qxa6 39. Bxa6 e4 40. b5 {[%cal Bb4b5,Bb5b6,Bb6b7][%mdl 32] White mates.} Kg5 41. b6 f4 42. gxf4+ Kxf4 43. b7 {Accuracy: White = 76%, Black = 43%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.08"]
[Round "3.46"]
[White "Kleprlik, Jan"]
[Black "Svobodova, Michaela"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1545"]
[BlackElo "1988"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,96,0,-3,-11,-10,-10,-10,-14,-8,-50,-5,-54,-6,-60,-17,-95,-51,-99,-60,-125,-43,-118,-116,-147,-100,-93,-85,-83,-86,-155,-154,-166,-157,-220,-213,-264,-270,-261,-263,-246,-163,-158,-128,-147,-130,-137,-138,-175,-130,-201,-219,-338,-335,-320,-347,-373,-370,-623,-623,-518,-546,-554,-338,-367,-362,-29988,-1142,-29987,-771,-1224,-497,-587,-342,-781,-777,-1254,-803,-707,-691,-2118,-2082,-6696,-852,-6504,-2048,-6839,-6474,-29998,29999]} 1. d4 d5 2. Nf3 Nf6 3. g3 Bf5 4. Bg2 h6 5. c3 e6 6. b3 {[#] D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} c5 $146 ({Predecessor:} 6... Bd6 7. Bb2 O-O 8. O-O Nbd7 9. Nbd2 Rc8 10. b4 c6 11. a3 a6 12. Nb3 b6 {0-1 (49) Muric,T (1922)-Milosevic,D (1674) Podgorica 2018}) 7. Bb2 Nc6 8. O-O {The position is equal.} Be7 9. Nbd2 O-O 10. Rc1 Rc8 11. a3 (11. dxc5 $11 Bxc5 12. a3) 11... a5 12. a4 (12. dxc5 $11 {remains equal.} Bxc5 13. b4) 12... Qb6 13. Nb1 Ne4 14. Nbd2 (14. e3 $15) 14... Rfd8 ({Black should try} 14... cxd4 $17 15. Nxe4 dxe4 16. Nxd4 Rfd8) 15. e3 ({Better is} 15. Nxe4 $1 $15 Bxe4 16. Ba3) 15... cxd4 $17 16. exd4 e5 17. Nxe4 dxe4 18. Nd2 exd4 19. cxd4 (19. Nc4 $142 Qa7 20. Qe1) 19... Nxd4 20. Rxc8 Bxc8 ({Don't do} 20... Rxc8 21. Re1 $15) 21. Qe1 (21. Bxe4 $17 Be6 22. Nf3 Nxb3 23. Qc2) 21... f5 $19 ({Don't take} 21... Nxb3 22. Nxb3 Qxb3 23. Qxe4 $17) 22. Qe3 Be6 23. Bxd4 Qxd4 24. Nc4 Bxc4 25. bxc4 Qxc4 26. Qb6 Qd5 27. Rc1 Rd6 28. Qb1 Rd7 29. Rc8+ {[#]} (29. Bf1 $17 Kh7 30. Bc4) 29... Kh7 $1 30. Rc1 (30. Qb6 $142) 30... Bc5 31. Rf1 b6 32. Qc1 Qe5 33. Rd1 $2 (33. Qc2) 33... Rxd1+ 34. Qxd1 Qb2 {Threatens to win with ...b5.} 35. Qe1 Qc2 36. Bh3 g6 37. Qa1 $2 (37. Bf1 $19) 37... Qxf2+ 38. Kh1 Bd4 (38... e3 $142 39. Bf1 e2 40. Bxe2 Qxe2 41. h4 Bf2 42. Qg1 Bxg1 43. Kxg1 h5 44. Kh1 Qf2 45. g4 hxg4 46. h5 g3 47. hxg6+ Kh6 48. g7 Qh2#) 39. Qc1 Bg7 (39... e3 $142 {( -> ...e2)} 40. Bf1 e2 41. Bxe2 Qxe2 42. Qc7+ Bg7) 40. Qf1 Qc5 41. Qd1 $2 (41. g4) 41... b5 {aiming for ...bxa4.} 42. axb5 Qxb5 43. Bf1 Qb4 {Hoping for ...e3.} 44. Qc1 a4 {[%cal Ba5a4,Ba4a3,Ba3a2][%mdl 32]} 45. Bc4 a3 {Strongly threatening ...e3!} 46. Bf7 Qc3 47. Qf4 {[#]} a2 $1 48. Qb8 (48. Bxa2 Qa1+) 48... Qe5 $4 {[%mdl 40960] Accuracy: White = 26%, Black = 43%. . Loss on time!?} (48... Qf3+ {avoids the disaster.} 49. Kg1 Bd4#) 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.08"]
[Round "3.47"]
[White "Cejkova, Miroslava"]
[Black "Levinsky, Ladislav"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1998"]
[BlackElo "1477"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,71,104,44,69,24,36,14,28,16,103,93,164,45,64,54,79,66,95,30,121,116,108,25,60,77,149,143,187,185,188,171,197,197,224,226,243,243,255,241,237,238,279,279,334,325,368,366,364,304,408,418,408,407,447,446,456,468,481,437,480,474,1348,1307]} 1. e4 c6 2. d4 g6 3. Nc3 Bg7 4. Nf3 d6 5. Be2 b5 6. a3 (6. O-O $16) 6... Bb7 {B06: Modern Defence.} 7. O-O Nd7 8. Be3 a6 {The position is equal.} 9. Qd2 h5 {[#]} (9... Qc7 $11) 10. Ng5 $146 ({Predecessor:} 10. Rad1 Qc7 11. Ng5 Ngf6 12. h3 O-O 13. f4 Nh7 14. Nxh7 Kxh7 15. f5 c5 16. dxc5 Nxc5 17. fxg6+ fxg6 {½-½ (37) Cirjan,D (1981)-Diaz Begonte,M (1793) Benidorm 2009}) 10... Bh6 (10... c5 $16 {is a better defense.}) 11. Nh3 (11. f4 $18) 11... Bxe3 $14 12. Qxe3 e6 13. f4 Qb6 14. Qf2 (14. Ng5 $16) 14... O-O-O (14... c5 $11 {remains equal.}) 15. Ng5 $36 {[%mdl 2048] White is in control.} Nh6 16. Nd1 (16. e5 $16) 16... Rde8 17. e5 d5 {Black is now going downhill.} (17... c5 $142) 18. c3 f6 19. exf6 Nxf6 20. Bd3 Nf5 21. Nf7 Rh7 22. Bxf5 $1 gxf5 23. Nd6+ {[%mdl 64] [#] Double Attack} Kd7 24. Nxe8 Kxe8 25. Qh4 Qd8 26. Nf2 {[%cal Bd1f2,Bf2d3,Bd3e5][%mdl 32]} Rg7 27. Nd3 Rg4 28. Qh3 Qe7 29. Rae1 Bc8 30. Ne5 {[%mdl 64] [#] Double Attack} Rg8 31. Nxc6 Qg7 32. Re2 {White is clearly winning.} Kd7 33. Ne5+ Kd6 34. Rf3 Qh7 35. Qh4 Bd7 (35... Ng4 $142 36. Nd3 Qe7 37. Qxh5 Nf6) 36. Qxf6 {Accuracy: White = 68%, Black = 34%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.08"]
[Round "3.48"]
[White "Tomanek, Karel"]
[Black "Taborska, Veronika"]
[Result "0-1"]
[ECO "D31"]
[WhiteElo "1379"]
[BlackElo "1995"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,68,31,41,-14,8,-62,-41,-77,-73,-105,-93,-102,-97,-117,-117,-120,-127,-130,-127,-145,-72,-158,-133,-194,-184,-277,-249,-264,-249,-383,-391,-478,-467,-467,-463,-569,-452,-497,-372,-663,-657,-570,-546,-629,-503,-521,-516,-608,-587,-1144,-453,-1170,-496,-1408,-802,-1321,-1216,-12837,-12838,-12836,-5800]} 1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. e3 b5 6. Bd2 {D31: Queen's Gambit Declined: Semi-Slav without ...Nf6 (+ Marshall Gambit and Noteboom) and Exchange Variation lines without ...Nf6.} (6. a4 $1 $14) 6... Bb7 7. Be2 ({White should try} 7. Ne4 $1 $11) 7... Nd7 8. O-O {Black is slightly better.} Ngf6 9. a4 a6 10. e4 Be7 11. h3 O-O 12. e5 Nd5 {[#]} 13. Nxd5 $146 ({Predecessor:} 13. Ne4 h6 14. Rb1 c5 15. Nxc5 Nxc5 16. dxc5 Bxc5 17. b3 c3 18. Bc1 b4 19. Qc2 {0-1 (32) Maier,W (1201)-Mainka,W (1650) Bad Soden Salmuenster 1999}) 13... cxd5 14. Qe1 f6 (14... Nb8 $142 15. axb5 axb5 16. Rxa8 Bxa8) 15. Bb4 ({White should play} 15. exf6 Bxf6 16. axb5) 15... fxe5 16. Bxe7 (16. dxe5 $17 Bxb4 17. Qxb4) 16... Qxe7 $19 17. Nxe5 (17. dxe5 $142 b4 18. Qd2) 17... Nxe5 18. dxe5 d4 19. axb5 (19. f4 $142) 19... axb5 20. f4 Rxa1 21. Qxa1 Qc5 {Hoping for ...d3+.} 22. Kh2 Bd5 23. Qc1 Qc6 24. Bf3 $2 (24. Qd2 Bxg2 25. Re1) 24... Bxf3 {Black is clearly winning.} 25. Rxf3 {[%mdl 4096] Endgame KQR-KQR} Qe4 26. Kg3 Rc8 27. Qd2 d3 28. Re3 Qd4 29. Kf3 {[#]} Ra8 (29... b4 $142 $1 {[%mdl 512]} 30. h4 (30. Qxb4 d2) 30... Qd5+ 31. Kf2 c3 32. bxc3 bxc3 33. Rxd3 cxd2 34. Rxd5 exd5) 30. Re4 (30. Re1 $142 Rf8 31. Re4) 30... Qc5 (30... Qd5 $142 31. Ke3 {[#]} g5 $1 {[%mdl 512]}) 31. Qc3 (31. Kg3 $142 b4 32. Re1) 31... Ra1 {Threatens to win with ...Rf1+.} 32. Rd4 b4 33. Qxc4 Qxc4 34. Rxc4 d2 {Accuracy: White = 17%, Black = 57%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.09"]
[Round "4.1"]
[White "Arkell, Keith C"]
[Black "Shabalov, Alexander"]
[Result "0-1"]
[ECO "A88"]
[WhiteElo "2447"]
[BlackElo "2524"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,100,27,0,2,0,2,7,8,0,12,0,0,-22,-24,-18,-20,-54,-59,-61,-55,-52,-35,-33,-40,-45,-35,-39,-41,-29,-22,-27,-21,-19,-16,-36,-29,-37,-37,-39,-37,-45,-45,-73,-70,-66,-66,-64,-64,-69,-50,-86,-91,-95,-91,-175,-175,-175,-157,-175,-175,-203,-198,-326,-264,-297,-258,-312,-290,-389,-324,-547,-529,-1155,-1672,-624,-620,-12838,-12836,-12845,-12845,-12845,-12846,-12848,-12848,-12849,-12849]} 1. Nf3 f5 2. d4 Nf6 3. g3 g6 4. c4 Bg7 5. Bg2 O-O 6. Nc3 d6 7. O-O c6 8. Re1 {Recently 8.b3 got a lot of attention.} Na6 9. e4 Nxe4 {A88: Dutch Defence: Leningrad System: 5 Nf3 0-0 6 0-0 d6 7 Nc3 c6.} 10. Nxe4 fxe4 11. Rxe4 Bf5 {The position is equal.} 12. Re1 e5 13. dxe5 dxe5 {Strongly threatening ...Qxd1.} 14. Qxd8 Raxd8 15. Bg5 Rde8 {[#]} 16. Be3 $146 ({Predecessor:} 16. Nd2 Nb4 17. Be4 h6 18. a3 Nd3 19. Bxd3 Bxd3 20. Be3 b6 21. b3 Rf7 22. Bd4 {½-½ (31) Defize,A-Lekander,R Teeside 1974}) 16... Nb4 {...Nc2 is the strong threat.} 17. Bc5 Nc2 $1 18. Bxf8 Rxf8 19. Rad1 e4 20. Ng5 Nxe1 21. Rxe1 Bxb2 22. Bxe4 Bc3 23. Rd1 Bg4 24. f3 Bc8 {aiming for ...h6.} 25. Kg2 Bf6 26. h4 Kg7 27. Bc2 Rd8 28. Rxd8 Bxd8 $15 {[%mdl 4096] Endgame KBB-KBN} 29. Ne4 b5 30. cxb5 cxb5 31. Bb3 Bb6 32. g4 Bb7 33. g5 Bc6 {Black converts the advantage convincingly.} 34. Nf6 a5 35. Bd5 (35. Nd5 $17 Bd4 36. Nf4) 35... Bxd5 $19 36. Nxd5 {KB-KN} Ba7 $1 37. Kh3 b4 $1 38. Kg4 {[#]} Bc5 $1 39. Nf4 (39. f4 {might work better.}) 39... Kf7 40. Nd3 {[#]} Bd6 $1 41. Nb2 Ke6 42. h5 Be5 43. Nc4 $2 (43. Nd3 {was the only chance.} gxh5+ 44. Kxh5) 43... a4 {[%cal Ba5a4,Ba4b3,Bb3b2][%mdl 32] Black is clearly winning.} 44. hxg6 hxg6 45. f4 Bd4 46. f5+ gxf5+ 47. Kf4 b3 48. axb3 axb3 49. g6 b2 50. Nd2 Kf6 {Accuracy: White = 58%, Black = 100%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.09"]
[Round "4.2"]
[White "Benjamin, Joel"]
[Black "Hebden, Mark L"]
[Result "1/2-1/2"]
[ECO "C77"]
[WhiteElo "2508"]
[BlackElo "2444"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,68,16,17,0,0,0,0,0,0,0,0,6,11,0,1,6,6,16,37,18,32,22,34,9,9,0,0,0,0,0,29,20,12,0,37,22,49,43,75,83,64,61,116,64,62,62,61,72,69,69,64,57,60,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Nc3 b5 6. Bb3 Be7 7. a4 $1 {[%mdl 4] is currently scoring better than 7.d3. Played by Maxime Vachier Lagrave in January 2020. C77: Ruy Lopez: 3...a6 4 Ba4 Nf6, unusual lines.} b4 8. Nd5 O-O 9. Nxf6+ Bxf6 10. Bd5 Bb7 11. O-O {[#]} Rb8 $146 ({Predecessor:} 11... Na5 12. Bxb7 Nxb7 13. d4 d6 14. dxe5 dxe5 15. Qe2 Qd6 16. b3 Qc6 17. Bb2 Rfe8 {1-0 (40) Safarli,E (2524)-Bajarani,I (2345) Dubai 2008}) 12. c3 Na5 13. Bxb7 Rxb7 14. d4 d6 15. cxb4 {Black must now prevent dxe5.} Nc6 {[%cal Re5d4][%mdl 64] [#] Double Attack} 16. dxe5 dxe5 17. Bd2 Nxb4 18. Bc3 Qd6 19. Qe2 Qe6 20. Rfd1 Rfb8 21. Rd2 h6 22. h3 a5 23. Qe3 Qe7 24. Rad1 Nc6 25. Rd5 Qe6 26. R1d2 (26. Kh2 {is interesting.} Rb6 27. R1d2 Re8 28. g3 Rb3 29. Kg2) 26... Nd4 (26... Re8 $14) 27. Bxd4 (27. Nxd4 $16 exd4 28. Bxd4) 27... exd4 $14 28. Nxd4 Bxd4 29. R2xd4 Rxb2 30. Rxa5 Qa2 31. Rad5 $1 c5 32. Rd2 ({Don't go for} 32. Rxc5 $2 {[#]} Rxf2 $3 {[%mdl 512]} 33. Qxf2 Rb1+ 34. Qf1 Rxf1+ 35. Kxf1 Qa1+ {[%mdl 64] Double Attack} 36. Rc1 Qxc1+ $19) (32. Rd1 $14) 32... Rxd2 $11 {The position is equal.} 33. Rxd2 Qxa4 34. Qxc5 Qxe4 {Accuracy: White = 88%, Black = 76%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.09"]
[Round "4.3"]
[White "Flear, Glenn C"]
[Black "Novikov, Igor"]
[Result "1/2-1/2"]
[ECO "D47"]
[WhiteElo "2420"]
[BlackElo "2551"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,50,16,24,0,0,0,0,0,41,31,38,-14,-16,-15,-14,-14,-13,-13,-13,-12,-13,-26,-20,-20,-22]} 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. O-O b4 10. Ne4 Be7 11. Nxf6+ Nxf6 12. e4 O-O 13. e5 Nd7 14. Be4 Rb8 15. a3 {D47: Semi-Slav: Meran System.} bxa3 16. b4 h6 17. Bb1 Re8 18. Qd3 {[#] Intending Qh7+ and mate.} ({But not} 18. Rxa3 Bxb4 19. Qc2 (19. Rxa7 Qb6 $15) 19... Nf8 $15) 18... Nf8 {[#]} 19. Qxa3 $146 ({Don't play} 19. Rxa3 Bxb4 20. Rxa7 c5 $15) ({White should try} 19. Bxa3 $14 Qb6 20. Qe3) ({Predecessor:} 19. Bxa3 Qb6 20. Qc3 Ba8 21. Be4 Bxb4 22. Bxb4 Qxb4 23. Qxb4 Rxb4 24. Rxa7 Rc8 25. Rc1 {1-0 (40) Avrukh,B (2625)-Vera Gonzalez Quevedo,R (2584) Istanbul 2000}) 19... a5 $1 $11 20. Qxa5 Qd7 $36 {[%mdl 2048] White must now prevent ...Ra8. Black is more active.} 21. Qa3 Ra8 22. Qb2 Rxa1 23. Qxa1 Bxb4 24. Be4 c5 25. Bxb7 Qxb7 {Accuracy: White = 90%, Black = 89%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.09"]
[Round "4.4"]
[White "Yermolinsky, Alex"]
[Black "Plaskett, H James"]
[Result "1-0"]
[ECO "A17"]
[WhiteElo "2487"]
[BlackElo "2401"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,99,16,29,29,29,20,20,20,20,20,27,25,30,33,20,28,30,21,39,0,0,7,2,17,0,0,119,118,111,108,148,125,131,131,144,149,133,144,146,162,145,145,150,139,160,159,141,128,135,78,70,85,86,83,174,103,131,119,161,161,172,171,357,377,470,464,443,467,457,456,627,628,621,624,583,590,922,1024,1017,1007,939,937,1116,1093,1078,1030,1010,976,866,856]} 1. Nf3 Nf6 2. c4 e6 3. Nc3 b6 4. g3 Bb7 5. Bg2 Bb4 6. d3 O-O 7. e4 {A17: English Opening: 1...Nf6 with ...Bb4.} d5 8. e5 Nfd7 9. cxd5 {The position is equal.} Bxd5 10. O-O Bxc3 11. bxc3 c5 12. d4 Nc6 13. Ng5 Bxg2 14. Kxg2 {[#]} Ndb8 $146 {[%cal Rc5d4]} ({Predecessor:} 14... cxd4 15. cxd4 Ndb8 16. Qd3 Qd5+ 17. f3 g6 18. Rd1 b5 19. Ne4 Nd7 20. Bg5 Rac8 {1-0 (49) Gavrikov,V (2580)-Rozentalis,E (2565) Biel 1990}) 15. Qf3 cxd4 16. cxd4 $40 {[%mdl 128] Black needs to defend precisely.} h6 17. Ne4 $1 {Strongly threatening Bxh6!} Qxd4 18. Ba3 {Black must now prevent Rfd1.} Nxe5 {[#]} (18... Rd8 $11 19. Nf6+ gxf6) 19. Nf6+ $1 $16 {[%mdl 576] Discovered Attack} gxf6 20. Qxa8 Re8 21. Rad1 {[%cal Ba1d1,Bd1d4,Bd4g4][%mdl 32]} Qa4 22. Bd6 Na6 {[#]} 23. Rd4 $1 {[%cal Rd4a4][%mdl 512]} Qc6+ (23... Qxd4 24. Qxe8+) 24. Qxc6 Nxc6 25. Rg4+ Kh7 26. Rc1 {[%mdl 1024] White has strong compensation.} Na5 27. Rc3 f5 28. Rh4 e5 29. Ra4 Re6 30. Bb4 (30. Ba3 $142) 30... Nxb4 31. Rxb4 {[%mdl 4096] Endgame KRR-KRN} Kg6 32. Rc7 Kf6 (32... e4 $16 {keeps fighting.}) 33. Rh4 (33. Ra4 $18) 33... Kg6 34. Ra4 e4 35. Rxa7 Nc6 36. Rb7 Ne5 $2 (36... Na5 37. Rb8 Rc6) 37. Rb4 $18 Re8 38. R4xb6+ {White is clearly winning.} Kg7 39. Rb5 f4 40. gxf4 Nd3 41. Rf5 Rf8 42. h4 Kg6 43. Rbb5 f6 44. h5+ Kf7 45. Rb6 Ke7 46. Kf1 Ra8 47. Rfxf6 Rxa2 48. Rbe6+ Kd7 49. Rxe4 Rxf2+ 50. Kg1 {Accuracy: White = 89%, Black = 66%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.09"]
[Round "4.5"]
[White "Petursson, Margeir"]
[Black "Hracek, Zbynek"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "2466"]
[BlackElo "2572"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,53,0,0,0,0,0,8,0,0,0,0,0,1,-4,14,25,32,49,49,29,83,14,25,18,25,18,49,33,32,33,41,33,39,45,38,29,66,62,63,68,70,59,88,71,77,57]} 1. c4 c5 2. Nf3 Nc6 3. Nc3 e5 4. d3 g6 5. Bg5 f6 6. Bd2 {A35: Symmetrical English: 2 Nc3 Nc6 3 Nf3.} Bg7 7. a3 a5 8. g3 {The position is equal.} Nge7 9. Bg2 d6 10. O-O {[#]} Be6 $146 ({Predecessor:} 10... O-O 11. Ne1 Be6 12. Nc2 d5 13. cxd5 Nxd5 14. Ne3 Nde7 15. Rb1 Rb8 16. Na4 b6 17. b4 axb4 18. axb4 Nxb4 19. Bxb4 cxb4 20. Rxb4 Bh6 21. Ng4 Bg7 {1-0 (66) Mchedlishvili,M (2619)-Atakisi,U (2393) Budva 2009}) 11. Ne1 Qd7 12. Nd5 {Hoping for Nb6.} Rb8 13. b4 axb4 14. axb4 cxb4 {[#]} (14... b5 $11) 15. Nxb4 (15. Nc2 $1 $16) 15... Nxb4 16. Bxb4 Nc6 17. Rb1 d5 18. cxd5 Bxd5 19. Bxd5 Qxd5 20. Nc2 Kf7 21. e4 Qe6 22. Ne3 Rhd8 23. Nd5 Rd7 24. Bc5 Bf8 25. Bb6 Bd6 26. Qa4 h5 27. Kg2 {Accuracy: White = 92%, Black = 77%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.09"]
[Round "4.6"]
[White "Velicka, Petr"]
[Black "Thorhallsson, Throstur"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "2425"]
[BlackElo "2424"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,103,0,16,8,24,19,18,15,29,0,9,0,0,-26,-12,-96,-88,-79,-61,-50,-55,-81,-56,-55,0,-50,-57,-64,-72,-102,-95,-100,-93,-113,-90,-97,-100,-147,-69,-76,-73,-78,-62,-68,-76,-66,-71,-57,-57,-87,-61,-72,-39,-16,0,0,0,-179,0,-136,-137,-116,-125,-116,-32,-100,0,0,0,0,0,0,152,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 cxd4 5. Qxd4 a6 6. Bxd7+ Bxd7 7. O-O Bg4 8. Nbd2 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} Nf6 9. h3 Bh5 10. b3 e6 11. c4 Be7 12. Bb2 O-O {[#]} 13. g4 $146 ({Predecessor:} 13. Qe3 Rc8 14. Nd4 Re8 15. f4 Bf8 16. Kh1 Bg6 17. Qf3 e5 18. Ne2 exf4 19. Nxf4 {½-½ (56) Velicka,P (2506)-Stocek,J (2584) Havlickuv Brod 2008}) 13... Bg6 14. Nh2 (14. e5 $11 {keeps the balance.}) 14... Rc8 $17 15. Rac1 Qa5 16. Bc3 Qc7 ({Not} 16... Qxa2 $2 17. Ra1 $18) 17. Bb2 Rfd8 18. Qe3 Qa5 ({Black should try} 18... e5 $15) 19. Bc3 Qa3 ({But not} 19... Qxa2 $2 20. Ra1 $18) 20. Qe2 d5 21. cxd5 exd5 {[%cal Rf6e4]} 22. Nb1 Qd6 23. e5 Qe6 24. Bd4 Ne4 25. Qe3 f6 (25... Rxc1 $17 26. Qxc1 Rc8) 26. exf6 $1 $15 Bxf6 27. Nd2 Rxc1 28. Rxc1 Bxd4 $1 29. Qxd4 Nxd2 30. Qxd2 d4 31. Nf1 d3 32. Rc7 h6 33. Rxb7 Qf6 {aiming for ...Be4.} 34. Rc7 Re8 {White must now prevent ...Re2.} 35. Ne3 $2 {[#]} (35. Ng3 $11 {and White stays safe.}) 35... Rf8 $2 (35... Be4 $1 $19 {And now ...Qf3 would win.} 36. Qc3 Qxc3 37. Rxc3 d2) 36. Nd5 {[#]} (36. Nf1 $1 $11 {was the only way to keep the balance.}) 36... Qa1+ $1 $17 {[%mdl 1024] Black has strong compensation.} 37. Rc1 Qe5 38. Nc3 Rf3 ({Better is} 38... Qd4 $17 39. Kg2 Be8) 39. Re1 (39. Kg2 $1 $15 Rf8 40. Re1) 39... Qf6 (39... Qd6 $17 40. Kg2 Qc6) 40. Nd5 $36 {[%mdl 2048] Black is under pressure.} Qh4 (40... Qd4 $5 41. Ne7+ $8 {[%mdl 64] Double Attack} Kh7 42. Nxg6 Kxg6 $11) 41. Ne7+ {[%mdl 64] Double Attack} Kh7 42. Nxg6 Kxg6 $2 (42... Rg3+ $1 $11 43. fxg3 Qxg3+ 44. Kf1 Qf3+ 45. Kg1 Qg3+ 46. Kh1 (46. Kf1 Qf3+ 47. Kg1 Qg3+ $11) 46... Qxh3+ 47. Kg1 Qg3+ 48. Kh1 Qh3+ 49. Kg1 Qg3+ 50. Kh1 Qh3+) 43. Re3 $2 ({White has to play} 43. Re6+ $16 Kf7 44. Rxa6) 43... Rxe3 {The position is equal.} 44. Qxe3 {[%mdl 4096] Endgame KQ-KQ} Qd8 45. Qd2 Qd5 46. b4 Kh7 47. a3 Qf3 48. a4 Qd5 49. Kh2 Qf3 50. Kg1 Kg8 {Hoping for ...Qe2.} 51. Qc1 Qd5 {...d2 is the strong threat.} 52. Qd2 {Accuracy: White = 68%, Black = 79%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.09"]
[Round "4.7"]
[White "Jonsson, Bjorgvin"]
[Black "Langner, Ladislav"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2324"]
[BlackElo "2377"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,87,24,35,84,32,130,124,159,43,48,46,67,25,29,37,81,66,74,58,139,117,154,131,127,124,152,127,220,190,335,297,284,283,514,493,619,407,391,349,403,344,337,333,322,291,260,0,0,0,0,0,177,161,319,265,363,298,526,481,739,744,1307,1297,1188,1247,926,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Be3 d5 5. f3 dxe4 6. fxe4 Nf6 7. Nf3 Qa5 {B15: Caro-Kann: 3 Nc3: 3...g6 and 3...dxe4 4 Nxe4 Nf6 5 Nxf6+ exf6.} 8. Bd3 (8. e5 $16 Ne4 9. Bc4) 8... Ng4 (8... c5 $14) 9. Bd2 $16 Qc7 {[#] White is better.} 10. Qe2 $146 ({White should play} 10. e5 $16) ({Predecessor:} 10. e5 Na6 11. h3 Nh6 12. g4 Nb4 13. Bc4 Be6 14. Bxe6 fxe6 15. Ne4 Na6 16. Qe2 {1-0 (51) Wang,H (2610)-Asrian,K (2635) Taiyuan 2006}) 10... e5 $14 11. d5 Nd7 12. a4 O-O 13. O-O a5 14. Bc4 Nb6 {[#]} 15. Bb3 $1 $36 {[%mdl 2048] Black is under pressure.} Bd7 (15... cxd5 $14 16. exd5 e4 17. Qxe4 (17. Nxe4 Bf5 $14) 17... Bf5) 16. h3 Nf6 17. Be3 cxd5 18. exd5 Rac8 19. Rad1 e4 (19... Nc4 $16) 20. Nd4 $18 Bxh3 (20... Qe5 $142) 21. Ndb5 Qg3 {...Bxg2! is the strong threat.} 22. Qf2 Qg4 $2 (22... Qxf2+ 23. Bxf2 Bg4) 23. Bxb6 Nh5 24. Bd4 Nf4 {[%cal Rf4g2]} 25. Bxg7 Nxg2 26. Be5 Nf4+ 27. Kh2 Bxf1 28. Bxf4 Bxb5 29. axb5 $2 (29. Rd4 $18 Rxc3 30. bxc3) 29... Rxc3 $1 $11 30. bxc3 Qxd1 31. d6 Rc8 $2 (31... h6 $11 {and Black stays safe.}) 32. Bg3 {[%mdl 1024] White has strong compensation.} Qh5+ $2 (32... Rf8) 33. Kg2 $18 g5 34. Qe3 Qg4 $2 (34... Qf3+ {is a better defense.} 35. Qxf3 exf3+ 36. Kxf3 Kf8) 35. Bd5 $1 {[%csl LRb7,LRe4][%mdl 64] [#] Double Attack} Re8 (35... Rd8 $142 36. Bxe4 Rxd6) 36. Bxb7 f5 37. d7 Rd8 38. Bd5+ Kg7 39. Bc6 $2 (39. Qd4+ $18 Kg6 40. Bc4 (40. Qb6+ Kg7 $16) 40... Qf3+ 41. Kh2 Qh5+ 42. Kg1) 39... f4 $11 {[%mdl 64] Pin. The position is equal.} 40. Qd4+ Kh6 41. Qf6+ {[%mdl 64] Double Attack} Kh5 42. Qf7+ Kh6 43. Qf6+ Kh5 44. Qf7+ {Accuracy: White = 75%, Black = 29%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.09"]
[Round "4.8"]
[White "Konopka, Michal"]
[Black "Gislason, Gudmundur"]
[Result "1-0"]
[ECO "E69"]
[WhiteElo "2353"]
[BlackElo "2322"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,67,32,48,37,41,52,66,155,149,179,136,118,68,70,73,65,72,467,478,474,463,440,334,427,163,244,82,93,102,105,109,135,135,111,42,214,214,277,266,290,274,282,250,473,473,467,452,511,500]} 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O c6 6. d4 d6 7. Nc3 Nbd7 8. e4 e5 9. h3 Re8 10. Re1 a5 11. Qc2 exd4 {E69: King's Indian: Fianchetto: 6...Nbd7 7 0-0 e5 8 e4 c6 9 h3.} 12. Nxd4 Ne5 13. b3 {[#]} d5 $146 (13... c5 $14 14. Ndb5 Bxh3) ({Predecessor:} 13... Nfd7 14. Be3 Nc5 15. Rad1 Qe7 16. f4 Ned7 17. Bf2 Nf8 18. Kh2 Bd7 19. a3 h5 20. Nf3 Bc8 21. Bd4 Bxd4 22. Nxd4 h4 23. Qf2 Nfe6 24. Nxe6 Bxe6 25. gxh4 Nxb3 {½-½ (31) Ivanov,M (2389)-Haddouche,M (2399) Marianske Lazne 2012}) 14. cxd5 $16 cxd5 15. Bg5 ({Inferior is} 15. Nxd5 Nxd5 16. exd5 Nf3+ 17. Nxf3 Bxa1 $15) 15... dxe4 16. Nxe4 {Rad1 is the strong threat.} (16. Rad1 {seems wilder.} h6 17. Bxf6 Qxf6 18. Nd5 Qd8 19. Nc7) 16... Qxd4 17. Nxf6+ Bxf6 18. Bxf6 {Black must now prevent Qe2.} Nf3+ $2 {[%mdl 8192]} (18... Qd6 $16 {is tougher.} 19. Bxe5 Rxe5) 19. Bxf3 $18 {[%cal Re1e8]} Rxe1+ 20. Rxe1 {[%cal Re1e8]} Qxf6 21. Re8+ {[%mdl 64] Double Attack} Kg7 {Strongly threatening ...Bf5.} 22. Be4 $2 (22. Qc5 {[%csl Ge8][%cal Rc5f8]} Qxf3 23. Qf8+ Kf6 24. Qh8+ {[%mdl 64] Double Attack} Kg5 25. Re5+ (25. Rxc8 Rxc8 26. Qxc8 Qd1+ 27. Kh2 Qd5 $11) 25... Bf5 26. Qxa8 Qd1+ 27. Kg2) 22... Qd4 {[#]} (22... Qa1+ {was necessary.} 23. Kh2 Qd4) 23. Rxc8 $2 (23. Qd3 $1 $18 {[%cal Rd3d4] and the rest is easy.} Qxd3 24. Bxd3) 23... Rxc8 $16 24. Qxc8 Qxe4 $18 {[%mdl 4096] Endgame KQ-KQ} 25. Qc3+ {[%mdl 64] Double Attack} f6 26. Qxa5 g5 27. Qa4 (27. Qc3 $16) 27... Qd5 $2 {[#]} (27... Qxa4 $14 28. bxa4 f5) 28. Qc4 $1 {[%cal Rc4d5]} Qe5 29. a4 h5 30. Kg2 f5 31. Qd3 h4 $2 (31... Qe6 32. b4 g4) 32. gxh4 {White is clearly winning.} gxh4 33. Qd7+ {[%mdl 64] Double Attack} Kh6 {intending ...Qe4+.} 34. Qxb7 {Accuracy: White = 59%, Black = 37%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.09"]
[Round "4.9"]
[White "Graf, Alexander"]
[Black "Ftacnik, Lubomir"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2575"]
[BlackElo "2513"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,100,4,8,0,11,4,17,0,14,0,0,-4,10,0,0,0,8,0,-6,-22,-20,-9,58,64,72,63,64,0,0,-3,-5,-77,0,0,0,0,35,31,40,50,113,132,198,192,187,145,147,148,147,149,148,147,141,145,180,68,68,77,89,45,39,41,43,47,32,35,46,50,79,71,122,121,123,130,130,127,166,125,124,106,108,79,79,72,71,67,87,58,187]} 1. d4 Nf6 2. Nf3 g6 3. c3 Bg7 4. Bg5 b6 5. Nbd2 Bb7 6. e3 O-O {6...0-0 was played by the boomers.} 7. Bd3 c5 8. O-O {A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems.} d6 9. h3 Nc6 10. a3 {The position is equal.} h6 11. Bh4 {[#]} cxd4 $146 ({Predecessor:} 11... a6 12. b4 b5 13. Bxf6 exf6 14. bxc5 dxc5 15. Ne4 cxd4 16. cxd4 Na5 17. a4 Nc4 18. Bxc4 Bxe4 19. axb5 axb5 20. Rxa8 Qxa8 21. Bxb5 {½-½ (43) Izeta Txabarri,F (2516)-Sunye Neto,J (2546) Rio de Janeiro 1999}) 12. exd4 e5 13. Re1 exd4 14. cxd4 Re8 15. Rxe8+ (15. Qa4 {is interesting.} Ne7 16. Bxf6 Bxf6 17. Ne4 Bg7 18. Bb5) 15... Qxe8 16. Nc4 Qd7 17. Bg3 Nh5 ({Better is} 17... Ne8 $11) 18. Bh2 $1 $14 Bf8 19. d5 $36 {[%mdl 2048] White has some pressure.} Nb8 20. Nfd2 (20. Nd4 $14) 20... Bxd5 $11 21. Ne4 {[%cal Rc4d6]} Nc6 22. Nexd6 ({Much worse is} 22. Bxd6 Rd8 $17) (22. Nc3 $11 {keeps the balance.} Be6 23. Qf3) 22... Nf6 (22... Rd8 $17 23. Bf5 Be6 24. Bxe6 Qxe6) 23. Nb5 Rd8 {Strongly threatening ...Bxc4.} 24. Bf1 Bc5 25. b4 $1 {[%cal Rb4c5]} Bf8 26. Ne3 Be6 (26... Qe7 $14) 27. Qf3 $1 $16 {And now Rd1 would win.} Be7 (27... Nh7 $16 {keeps fighting.}) 28. Rd1 $1 $18 {[%cal Rd1d7]} Qc8 29. Rc1 Nd4 {[#]} 30. Nxd4 $3 {[%mdl 512]} Qxc1 (30... Rxd4 31. Rxc8+) 31. Nc6 {[%mdl 64] Double Attack} Kf8 {next ...Bd5 is good for Black.} 32. Nxd8 Bxd8 33. Qa8 Ke8 34. Qxa7 (34. Bd6 $18) 34... Ne4 $1 $14 35. Qa4+ Bd7 36. Qc2 Qxc2 37. Nxc2 Bh4 38. g3 Bf6 39. g4 Nd2 40. Be2 Ba4 41. Ne3 Bd4 (41... Nb1 $142) 42. Bf4 $16 Nb1 43. Nc4 g5 44. Bc1 Bd7 {[#]} 45. Bd3 $1 {[%cal Rd3b1]} Nc3 46. Bd2 Nd5 47. Nd6+ Ke7 48. Nf5+ Bxf5 49. Bxf5 Kd6 50. a4 Ke5 {[%mdl 32768] Accuracy: White = 80%, Black = 69%. . Sensor Board Error (Ke4/e5)?} ({Black should try} 50... Bc3 $1 $14 51. Bxc3 Nxc3) 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.09"]
[Round "4.10"]
[White "Stohl, Igor"]
[Black "Jussupow, Artur"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2470"]
[BlackElo "2560"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,59,0,0,8,0,0,16,8,18,-14,14,12,16,13,17,17,16,14,26,20,24,21,35,34,35,35,36,36,36,36,37,28,35,0,32,0,38,0]} 1. Nf3 Nf6 2. c4 e6 3. d4 Bb4+ 4. Bd2 a5 5. g3 b6 6. Bg2 Bb7 7. O-O O-O 8. Bf4 Be7 9. Nc3 Ne4 10. Qc2 Nxc3 11. Qxc3 d6 12. Rad1 Nd7 13. Ne1 {E16: Queen's Indian: 4 g3 Bb7 5 Bg2 Bb4+.} Bxg2 14. Nxg2 Bf6 15. Qc2 {[#] The position is equal.} Re8 $146 ({Predecessor:} 15... Qe7 16. Rfe1 Rfe8 17. Bc1 Rad8 18. Nf4 g6 19. b3 Qf8 20. Bb2 Qg7 21. Ba1 Nb8 {0-1 (52) Lehmann,M (2279)-Durarbayli,V (2416) Sibenik 2007}) 16. Bc1 e5 17. dxe5 Nxe5 18. Nf4 Bg5 19. Nd5 {[#] And now Bxg5 would win.} Bxc1 20. Qxc1 Qd7 21. b3 Nc6 22. Rfe1 Nb4 23. Nc3 Qh3 24. e4 Rac8 25. Qd2 Na6 26. f3 Nc5 27. Qg2 Qe6 28. Qd2 Qh3 29. Qg2 Qe6 30. Qd2 {Accuracy: White = 87%, Black = 93%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.09"]
[Round "4.11"]
[White "Levin, Felix"]
[Black "Motuz, Karol"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2480"]
[BlackElo "2368"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,55,28,34,30,34,31,35,30,39,0,36,25,50,21,32,35,39,37,50,50,45,11,6,23,4,0,0,0,0,0,0,0,41,43,47,37,40,7,28,0,47,0,29,0]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 a6 6. O-O Nc6 7. e3 Bd7 {7...Rb8 deserves study. Played by Jan Krzysztof Duda in January 2020.} 8. Qe2 {E04: Open Catalan: 5 Nf3.} Bd6 9. Qxc4 O-O 10. Rd1 {White is slightly better.} Qe7 11. Qe2 Rab8 12. Nbd2 b5 {[#]} 13. b3 $146 ({Predecessor:} 13. Nb3 e5 14. dxe5 Nxe5 15. Nxe5 Bxe5 16. Qc2 Rfe8 17. Bd2 Rbc8 18. Rac1 c5 19. Nxc5 {½-½ (33) Rogetzer,K (2523)-Babic,D (2481) ICCF email 2017}) 13... e5 14. dxe5 Nxe5 15. Bb2 h6 16. Rac1 c5 17. Nxe5 Bxe5 18. Bxe5 Qxe5 19. Ne4 Nxe4 20. Rxd7 Nc3 $1 {[%cal Rc3e2]} 21. Qd2 b4 22. Rc2 Rfe8 23. Qd3 a5 24. Rd2 Re7 $1 25. Rd8+ Re8 $1 {[%cal Re8d8]} 26. Rd7 Re7 $1 27. Rd8+ Re8 $1 {[%cal Re8d8]} 28. Rd7 {Accuracy: White = 74%, Black = 89%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.09"]
[Round "4.12"]
[White "Petran, Peter"]
[Black "Meister, Jakob"]
[Result "0-1"]
[ECO "A36"]
[WhiteElo "2268"]
[BlackElo "2427"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,98,2,24,25,28,40,33,27,37,35,51,48,41,33,40,35,38,10,40,14,0,0,12,0,12,-19,-12,-61,-57,-53,-54,-56,-48,-91,-83,-89,-75,-87,-45,-83,-83,-98,-50,-99,-99,-99,-99,-99,-99,-95,-95,-88,-72,-94,-97,-93,-56,-46,-67,-71,0,-52,-6,0,0,-75,-76,-339,-393,-680,-665,-732,-732,-709,-706,-1116,-1111,-1093,-1059,-969,-603,-603,-603,-933,-887,-1150,-543,-565,-540,-587,-577]} 1. c4 c5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. d3 Nh6 6. e4 {A36: Symmetrical English vs ...g6: 4 Bg2 Bg7.} d6 7. Nge2 f5 8. O-O {White is slightly better.} O-O 9. Rb1 {[#]} Ng4 $146 ({Predecessor:} 9... e5 10. f4 Nd4 11. Nxd4 exd4 12. Nd5 Ng4 13. b4 Nf6 14. bxc5 dxc5 15. e5 Ng4 {1-0 (51) Werner,B (2087)-Schnepel,T (1945) Birkenfeld 2013}) 10. h3 Nf6 11. exf5 Bxf5 12. g4 Bd7 13. Be3 e5 14. Bg5 h6 15. Bd2 h5 16. g5 Ne8 17. Nd5 Nc7 18. Nxc7 Qxc7 19. Nc3 Bf5 $36 {[%mdl 2048] Black is more active.} 20. Be3 Qd7 21. h4 Rae8 22. Ne4 Rd8 23. a3 Nd4 24. Bxd4 cxd4 25. Qf3 Be6 26. Qg3 Rf4 27. f3 b6 {[%cal Bb7b6,Bb6b5][%mdl 32]} 28. Rbe1 Qa4 29. Rf2 Kh8 30. Rfe2 Qc6 31. Rd1 b5 32. b3 a5 {[%cal Rb5c4]} 33. Qe1 Qb6 34. Rc1 Bf8 (34... Rc8 $17) 35. a4 ({White should try} 35. Nf6 $11) 35... bxc4 36. bxc4 Rb8 37. c5 (37. Nf6 $11) 37... dxc5 $17 {[#] Hoping for ...c4!} 38. Nxc5 $2 {[%mdl 8192] Loses the game.} (38. Nf6 $17 {was worth a try.}) 38... Bxc5 $19 39. Rec2 $2 (39. Rxe5 Bb4 40. Rxe6 Bxe1 41. Rxb6 Rxb6 42. Rxe1) 39... Bd6 {Black is clearly winning.} 40. Rc6 Qd8 41. Ra6 Ra8 42. Rcc6 Rxa6 43. Rxa6 Qc7 44. Rxa5 Rf8 {...e4! is the strong threat.} 45. Rb5 Bf5 46. Qb1 Rc8 47. Bf1 {[#]} Qc2 (47... e4 $142 $1 {( -> ...Bh2+)} 48. Qb2 (48. dxe4 Bh2+) 48... exf3 49. Qxd4+ Kh7 50. Rxf5 gxf5) 48. Qxc2 Rxc2 49. Rd5 Bc7 {Accuracy: White = 55%, Black = 75%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.09"]
[Round "4.13"]
[White "Vokac, Marek"]
[Black "Potapov, Alexander"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2348"]
[BlackElo "2413"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,84,39,52,44,65,42,49,27,52,29,50,49,48,52,50,49,53,42,60,56,58,47,77,81,76,46,50,47,70,75,79,43,41,0,0,0,0,0,8,18,64,12,12,14,39,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. c4 e6 3. b3 d5 4. Bb2 Be7 5. g3 O-O 6. Bg2 c5 7. cxd5 exd5 8. d4 Nc6 9. O-O Be6 10. Nc3 h6 11. Rc1 {D34: Tarrasch Defence: 6 g3 Nf6 7 Bg2 Be7.} Re8 12. dxc5 Bxc5 {[#]} 13. Nb5 $146 {Threatens to win with Bxf6.White is slightly better.} ({Predecessor:} 13. e3 Qe7 14. Nb5 Ne4 15. Nfd4 a6 16. Nxe6 fxe6 17. Bxe4 axb5 18. Bb1 Ba3 19. Bxa3 Rxa3 {1-0 (37) Miton,K (2611)-Dimitrov,A (2306) Achaea 2016}) 13... Bb6 14. Nbd4 Rc8 15. Nxe6 fxe6 16. e3 Qe7 17. Ne5 Nxe5 18. Bxe5 Rc6 19. Rxc6 bxc6 20. Qc2 Ng4 21. Bb2 Rf8 22. Qe2 (22. Qxc6 {with more complications.} Nxf2 23. Bd4 Bxd4 24. exd4 Ng4 25. Re1) 22... Qg5 23. Bc1 e5 24. h3 Nf6 25. Qc2 c5 {[#]} 26. Bxd5+ $1 {[%mdl 576] Remove Defender} Nxd5 27. e4 $1 {[%csl LRd5,LRg5]} Nf4 $1 {[%cal Rf4h3]} 28. Qc4+ Rf7 (28... Kh7 $5 29. Kh2 $8 Qh5 30. gxf4 exf4 $11) 29. Kh2 $1 Bc7 {next ...Qg6 is good for Black.} 30. Rg1 (30. f3 $1 $14) 30... Qh5 $11 {[%csl Gf4][%cal Rh5h3]} 31. gxf4 exf4 {Strongly threatening ...f3+.} 32. Qe6 {Qe8+ is the strong threat.} Qe2 {The position is equal.} 33. Qe8+ Kh7 34. Qxf7 {[%csl Gg1][%cal Rf7g7]} Qxf2+ 35. Kh1 {[%csl Gg1][%cal Rf7g7]} Qf3+ {[%mdl 64] [#] Double Attack} 36. Kh2 {[%csl Gg1][%cal Rf7g7]} Qf2+ 37. Kh1 {[%csl Gg1][%cal Rf7g7]} Qf3+ {[%mdl 64] Double Attack} 38. Kh2 {[%csl Gg1][%cal Rf7g7]} Qe2+ 39. Kh1 {[%csl Gg1][%cal Rf7g7]} Qxe4+ 40. Rg2 {[%csl Gg2][%cal Rf7g7]} Qe1+ $1 {[%mdl 64] Double Attack} 41. Rg1 {[%csl Gg1][%cal Rf7g7]} Qe4+ 42. Rg2 {[%csl Gg2][%cal Rf7g7]} Qe1+ $1 {[%mdl 64] Double Attack. Accuracy: White = 78%, Black = 91%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.09"]
[Round "4.14"]
[White "Sergeyev, Alexander"]
[Black "Zpevak, Pavel"]
[Result "0-1"]
[ECO "A29"]
[WhiteElo "2398"]
[BlackElo "2344"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,82,8,18,-45,-43,-50,-43,-62,-36,-36,-33,-28,-35,-43,-37,-44,-39,-57,-55,-55,-44,-75,-56,-82,-70,-119,-113,-113,-101,-357,-334,-347,-353,-339,-331,-328,-320,-350,-337,-385,-385,-382,-393,-470,-416,-502,-483,-566,-557,-551,-525,-609,-602,-616,-610,-567,-551,-559,-561,-556,-526,-884,-870,-1214,-1176,-29991,-1033]} 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 Bc5 5. d3 h6 6. Bg2 d6 7. O-O a6 8. a3 O-O 9. b4 Ba7 10. b5 {A29: English Opening: Four Knights Variation with 4 g3.} (10. e3 $11) 10... axb5 $15 11. cxb5 Na5 12. Bd2 {Black is slightly better.} Be6 13. Rb1 {[#]} c6 $146 ({Predecessor:} 13... Qd7 14. Qa4 Bb6 15. Be3 Bxe3 16. fxe3 c6 17. d4 Bf5 18. Rb2 Be6 19. dxe5 Nc4 {0-1 (42) Miljkov,A-Ulicevic,K Niska Banja 2004}) 14. bxc6 bxc6 15. Qc2 Nd7 16. Rb2 Bc5 17. a4 Ba3 18. Rbb1 d5 19. Na2 Be7 20. Bb4 c5 21. Ba3 Nc6 22. Rb5 Qc8 23. Rfb1 $2 {[%mdl 8192] [#]} (23. Nc3 $17) 23... e4 $1 $19 {[%cal Re4f3][%mdl 576] Deflection} 24. dxe4 dxe4 25. Qxe4 Bxa2 26. Rc1 Be6 27. Bb2 Qa6 28. Nd2 Rfc8 29. Ra1 Ra7 30. h4 Rac7 31. e3 Na7 32. Bf1 Nxb5 33. axb5 Qd6 34. Nc4 Bxc4 35. Bxc4 {White hopes to continue with Ra6.} Bf6 36. Bxf6 Nxf6 ({Worse is} 36... gxf6 37. Qg6+ Kh8 38. Qxh6+ Kg8 39. Qg6+ Kh8 40. Qh6+ (40. Bxf7 Qf8 $11) 40... Kg8 41. Qg6+ Kh8 42. Bxf7 $11) 37. Qf5 Re8 38. Ra6 Qe5 39. Qg6 Rd7 40. b6 Qc3 41. Ba2 Qa1+ {White got outplayed after the opening. Accuracy: White = 51%, Black = 94%.} (41... Qe1+ $142 42. Kg2 Rd1 43. Qxf7+ Kh7 44. Qg6+ {[%mdl 64] Decoy} Kxg6 45. Bf7+ Kh7 46. Bg6+ Kxg6 47. g4 Qh1+ {[%mdl 64] Double Attack} 48. Kg3 Rg1+ 49. Kf4 Rxg4#) 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.09"]
[Round "4.15"]
[White "Polasek, Jaroslav"]
[Black "Goriatchkin, Jouri"]
[Result "1/2-1/2"]
[ECO "C11"]
[WhiteElo "2365"]
[BlackElo "2310"]
[Annotator "TA"]
[PlyCount "108"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,108,12,0,0,0,10,0,0,0,10,10,47,17,19,23,263,24,33,34,83,83,83,83,88,80,88,80,77,70,59,70,112,48,65,16,14,16,16,18,16,15,18,22,24,29,49,45,46,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,5,0,0,0,0,0,0,0,0,0,0,0,0,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 a6 8. Qd2 b5 9. Qf2 Qb6 {C11: French: Classical System: 4 e5 and 4 Bg5 dxe4.} 10. Bd3 cxd4 11. Nxd4 Bc5 {[%cal Rc6d4]} 12. Nce2 b4 13. O-O f6 {[#]} 14. exf6 $146 ({Predecessor:} 14. Kh1 O-O 15. exf6 Rxf6 16. Nxc6 Bxe3 17. Qg3 Bb7 18. Ne5 Nxe5 19. fxe5 Bf2 20. Qg4 {1-0 (28) Shaposhnikov,E (2503)-Alavkin,A (2397) Samara 2000}) 14... Nxf6 15. Nf5 d4 $2 (15... Bxe3 $11 16. Qxe3 Qxe3+ 17. Nxe3 O-O) 16. Bxd4 $2 (16. Nxg7+ $18 Kd8 17. Qh4) 16... Nxd4 $11 17. Nfxd4 Ng4 {[#]} 18. Qf3 $1 {[%csl LRa8,LRg4][%mdl 64] aiming for c3. Double Attack} Bxd4+ 19. Nxd4 Qxd4+ 20. Kh1 Ra7 {Strongly threatening ...Nf6.} 21. Qxg4 {Black must now prevent Rad1.} O-O 22. Qh5 g6 23. Qe5 Rd8 24. a3 (24. Rfe1 $16) 24... b3 25. Rae1 bxc2 26. Bxc2 {And now Rd1 would win.} Qxe5 27. Rxe5 Rd2 28. Bb3 Rxb2 29. Bxe6+ Bxe6 30. Rxe6 {[%mdl 4096] Endgame KRR-KRR} Ra2 31. Re3 Rd7 32. h4 Rdd2 {The position is equal.} 33. Rg3 Rf2 34. Kg1 Rxf1+ $1 35. Kxf1 {KR-KR} Ra1+ 36. Kf2 Ra2+ 37. Kg1 Ra1+ 38. Kf2 Ra2+ 39. Kg1 Ra1+ 40. Kh2 Rf1 41. h5 Rxf4 42. hxg6 h5 43. Rg5 Ra4 44. Rxh5 Rxa3 45. Rh7 Rd3 46. Ra7 Rd6 47. g7 Rh6+ 48. Kg3 Rg6+ 49. Kf3 Rf6+ 50. Ke4 Rg6 51. Kf3 Rf6+ 52. Kg3 Rg6+ 53. Kf2 Rf6+ 54. Kg1 Rg6 {Accuracy: White = 80%, Black = 87%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.09"]
[Round "4.16"]
[White "Tolstikh, Nikolay"]
[Black "Vrbata, Zbynek"]
[Result "1/2-1/2"]
[ECO "E62"]
[WhiteElo "2320"]
[BlackElo "2350"]
[Annotator "TA"]
[PlyCount "258"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,258,35,45,31,40,20,31,35,47,42,37,21,52,43,47,33,44,52,51,25,34,13,24,0,70,72,84,31,72,21,33,27,28,18,21,0,0,0,45,31,77,67,76,54,70,37,53,45,68,45,50,45,80,41,110,102,106,103,113,103,104,101,97,100,109,116,109,102,113,47,47,48,73,66,76,58,60,0,75,74,73,58,68,47,65,55,59,66,75,72,79,79,72,72,74,58,58,47,47,47,55,47,47,47,55,48,48,53,132,138,133,134,128,127,134,68,228,237,313,238,258,231,242,229,161,235,253,175,243,240,224,230,248,241,242,178,259,186,223,0,245,193,230,193,193,193,183,180,246,213,194,204,354,284,275,274,223,55,818,789,2281,2285,2066,2057,2015,2004,2447,1056,2553,2497,2246,2220,1835,1538,5077,314,1713,1495,1818,1587,5069,410,310,190,173,232,222,207,180,147,145,120,766,0,0,0,0,0,0,8,8,8,8,8,8,0,0,0,158,0,0,0,159,0,0,0,76,0,14,-375,0,0,0,-80,-80,-80,-80,-80,-80,-80,-80,-85,-84,-83,-79,-79,-79,-79,-79,-79,-8,-8,-8,-8,-8,-8,-8]} 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O c6 7. Nc3 Qa5 8. Bd2 {E62: King's Indian: Fianchetto: 6...c6 and Panno Variation (6...Nc6) without ...a6.} Qa6 {Nowadays more popular than 8...Qh5.} 9. b3 d5 10. cxd5 {White is slightly better.} cxd5 11. Ne5 Nc6 12. Nxc6 ({Don't play} 12. Nxd5 Nxd5 13. Bxd5 Nxe5 $17) 12... bxc6 13. Rc1 Bf5 {[#]} 14. Bf4 $146 ({Predecessor:} 14. Na4 Nd7 15. Be3 Rac8 16. Qd2 Rfe8 17. Rfe1 e5 18. dxe5 Bxe5 19. Nc5 Nxc5 20. Bxc5 {½-½ (37) Sgircea,S (2208)-Kiefer,G (2259) Forni di Sopra 2017}) 14... Nd7 15. Qd2 e5 16. Be3 Rfe8 17. Rfe1 Bf8 18. dxe5 Rxe5 (18... Ba3 $11) 19. Bd4 $14 Re6 20. Na4 (20. e4 $16 dxe4 21. Nxe4 (21. Bxe4 Bxe4 22. Nxe4 Rae8 $14)) 20... h5 21. Bf1 (21. Bc5 $16) 21... Qb7 $11 22. Nc5 Nxc5 23. Bxc5 Bg7 24. Bd4 Bxd4 25. Qxd4 Qb6 26. Red1 Rd8 27. Rd2 Red6 28. Rc5 Rb8 29. Rd1 Re8 30. Rdc1 Bd7 31. Qf4 Rde6 32. e3 Re5 33. Bd3 Kg7 (33... a5 $1 $14) 34. Qd4 $36 {[%mdl 2048] White is in control.} Kg8 35. b4 R5e7 36. Kg2 Rb8 37. a3 Be8 38. Qf4 Kg7 39. h3 Rd8 40. Qd4+ f6 41. Ra5 (41. h4 $16) 41... Qxd4 $14 42. exd4 Rb8 43. h4 Kf7 44. Kf3 Bd7 45. Kg2 Be8 $1 46. Rc3 Rb6 47. Rc2 Kf8 48. Kf3 Kf7 49. Re2 Rbb7 50. Re3 Kf8 51. Ke2 Kf7 52. Kd2 Kf8 53. Ra6 Kf7 54. Rxe7+ (54. Rf3 {seems wilder.} Rb6 55. Ra5 Rbb7 56. Bc2 Re6 57. Rc3) 54... Kxe7 $16 {[%mdl 4096] Endgame KRB-KRB} 55. Kc3 g5 56. a4 Rc7 57. Ra5 Kd6 58. Kd2 Rb7 59. b5 $1 cxb5 60. axb5 Rb6 (60... Rc7 $14) 61. Kc3 ({But not} 61. Rxa7 $6 Bxb5 62. Bg6 gxh4 $14) 61... Rb7 62. Kb4 Rc7 63. Ra6+ Ke7 64. f4 (64. Ra3 $16) 64... gxh4 $2 (64... g4 $1 $14) 65. gxh4 $18 Bf7 66. Ra1 Rb7 67. Re1+ Kd6 68. Rc1 Be8 69. Ra1 Rc7 70. Kb3 Rb7 (70... Bd7 $142 71. Kb4 Bg4) 71. Ra6+ Ke7 72. Kb4 Rc7 73. f5 Bd7 74. Ra1 Kd6 (74... Bc8 $142 75. Re1+ Kd8) 75. Rg1 Be8 76. Ra1 Bd7 77. Ra2 Ke7 78. Ra3 Kd6 79. Ra1 $1 Ke7 80. Rg1 Be8 (80... Kd8 $142 81. Rg7 Rc1) 81. Re1+ Kf7 82. Re6 Rc1 (82... Bd7 $142 83. Rd6 Ke7 84. Rxd5 Rc1) 83. Ra6 Rc7 84. Rd6 Rc1 85. Rxd5 $2 ({White has to play} 85. Be2 $1 $18 {[%cal Re2h5]} Re1 86. Re6) 85... Rh1 $2 {[%mdl 8192]} (85... Rd1 $14 86. Bc2 Rd2) 86. Rc5 Rxh4 87. Rc7+ Kf8 88. Kc5 Rh3 89. Bc4 Ra3 90. Rh7 (90. d5 $142 h4 91. d6) 90... Ra5 91. Kb4 Ra1 92. d5 Kg8 93. Re7 Bf7 94. Re4 $2 (94. d6 Rb1+ 95. Kc5 $1 {[%mdl 512]}) 94... Rb1+ $2 (94... Rd1 95. Kc5 Kf8) 95. Kc5 Rc1 96. Re7 Ra1 97. Re3 (97. d6 $142 Rc1 98. Rxf7 Rxc4+ {[%mdl 64] Remove Defender} 99. Kxc4 Kxf7 100. Kd5) 97... Kf8 98. Kd4 Rd1+ 99. Bd3 $1 Be8 {...Bxb5 is the strong threat.} 100. Kc5 Rc1+ 101. Kb4 Bd7 102. d6 $1 h4 $2 {[%mdl 8192]} (102... Rg1 $16) 103. Rh3 $2 (103. Re7 $18) 103... Rd1 $11 104. Kc3 Rc1+ 105. Kb4 Rd1 106. Kc4 Rc1+ 107. Kd4 Rd1 {aiming for ...Bxf5.} 108. Kc5 {Hoping for Bc4.} Rc1+ $1 109. Kb4 Rd1 110. Kb3 Bc8 $2 ({Black should try} 110... Ke8 $11) 111. Kb2 $2 ({Better is} 111. Kc4 $16) 111... Bd7 112. Kb3 Bc8 $2 (112... Ke8 $11) 113. Kb4 $2 (113. Kc4 $16) 113... Bd7 114. Re3 Rg1 {[#]} (114... Rc1 $11) 115. Kc5 (115. Re4 $1 $16 {[%cal Re4h4]} Rg3 116. Bc4 Bxf5 117. Rxh4) 115... Rg3 116. Kd4 $2 {[%mdl 8192]} (116. Re7 $11 {and White has nothing to worry.} Rg7 117. Re6) 116... Rg4+ $2 (116... Rxe3 $19 117. Kxe3 Ke8) 117. Kc3 Rg7 {next ...Rg3 is good for Black.} 118. Rh3 {[#]} (118. Kd4 $11) 118... Rg3 $1 $17 {[%cal Rg3h3]} 119. Rxh4 Bxf5 $1 120. Rf4 Bxd3 121. Rxf6+ {KRB-KR} Ke8 122. Re6+ Kd8 {White must now prevent ...Bf5+.} 123. Kb4 Rg5 124. Re7 Rxb5+ 125. Kc3 Rd5 {And now ...a6 would win.} 126. Rxa7 Rxd6 (126... Bf5 $17) 127. Ra4 $1 $11 {The position is equal.} Bb5 128. Rd4 $1 Kc7 129. Rxd6 Kxd6 {Black escapes into a draw. Accuracy: White = 72%, Black = 63%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.09"]
[Round "4.17"]
[White "Sirotkina, Nina"]
[Black "Kubikova, Hana"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2183"]
[BlackElo "2064"]
[Annotator "TA"]
[PlyCount "107"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,107,0,0,0,22,13,38,38,45,37,50,37,64,52,48,46,46,47,50,60,65,61,85,75,95,91,101,114,191,195,260,260,261,247,237,158,157,162,164,157,157,157,152,156,250,241,239,243,254,243,283,234,225,224,216,201,213,203,236,220,233,226,222,205,342,332,367,357,432,416,585,585,987,994,967,931,922,898,765,738,1591,1435,5808,5627,5558,4598,1652,1446,5205,5077,29972,29965,29968,29966,29977,29964]} 1. d4 Nf6 2. Bf4 d5 3. e3 e6 4. Nf3 c5 5. c3 Nc6 6. Nbd2 Bd6 7. Bg3 O-O 8. Bb5 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} cxd4 9. exd4 Qc7 10. Bxd6 {White is slightly better.} Qxd6 11. O-O Ne7 12. Ne5 {[#]} Ng6 $146 ({Predecessor:} 12... a6 13. Ba4 Ne4 14. Nxe4 dxe4 15. Bc2 f6 16. Nc4 Qf4 17. Qe2 f5 18. Ne5 Rf6 19. Qe3 Qxe3 20. fxe3 {½-½ (44) Gadarinian,C (1830)-Iemmi,J (1670) Reims 2004}) 13. Re1 Qb6 14. Nxg6 hxg6 15. Qb3 $1 Qd6 16. Bd3 Ng4 17. Nf3 b6 18. Qd1 Bd7 19. Qd2 Rae8 20. Qg5 f5 (20... Nh6 $16) 21. h3 $18 e5 (21... Nh6 {keeps fighting.} 22. Qxg6 Rf6) 22. hxg4 e4 23. Ne5 exd3 24. Nxd3 fxg4 25. Ne5 Bf5 26. Nxg4 Bxg4 27. Qxg4 Qf6 28. Qg3 Re4 (28... Qf5 $16 {was worth a try.} 29. f3 Qc2) 29. Rxe4 dxe4 {[%mdl 4096] Endgame KQR-KQR} 30. Re1 Qf5 31. Qe3 Qa5 32. Qxe4 {[#] Hoping for Qe6+.} Qxa2 33. Qe6+ ({Don't play} 33. Qxg6 Qxb2 34. Qe6+ Kh8 $16) 33... Qxe6 34. Rxe6 {KR-KR} Rf5 35. Re7 a5 36. Kf1 Rb5 37. Re2 a4 38. Rc2 Rd5 (38... Rg5 $142 39. f3 Kf7) 39. Ke2 Kf7 40. Kd3 b5 41. Re2 Rd7 (41... Rg5 $142 42. f3 Rh5) 42. c4 bxc4+ 43. Kxc4 Rc7+ 44. Kb5 Rd7 45. Kc5 Rc7+ 46. Kd6 Ra7 47. d5 a3 48. bxa3 Rxa3 49. Kc6 Rc3+ 50. Kd7 Rc1 51. d6 Rc5 52. Kd8 {White mates.} Rc6 53. d7 Rc4 54. Re3 {Accuracy: White = 96%, Black = 48%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.09"]
[Round "4.18"]
[White "Svobodova, Michaela"]
[Black "Bogumil, Tatiana"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1988"]
[BlackElo "2182"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,104,54,94,58,45,33,55,50,52,43,64,11,19,21,21,22,29,1,36,0,13,0,0,0,0,0,9,15,77,92,72,0,0,0,0,-25,-20,-35,-37,-82,-32,-39,-28,-136,-135,-265,-308,-633,-633,-581,-358,-770,-769,-787,-764,-5121,-5121,-5089,-5037,-1822,-1670,-1039,0,-724,0,-1297,-1260,-5029,-5029,-2265,-2197,-1889,-1747,-1010,-970,-1663,-738,-2492,-941,-1233,-794,-1038,-964,-883,-630,-621,-576,-4795,-2142,-5306,-822]} 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Nc3 c6 5. Be3 b5 6. Bd3 Bb7 7. Qd2 Nd7 8. O-O Qc7 9. a4 {B06: Modern Defence.} b4 10. Ne2 a5 11. c3 {White is slightly better.} bxc3 12. bxc3 {[#]} Ba6 $146 ({Predecessor:} 12... Ngf6 13. Bh6 O-O 14. Ng3 Rfe8 15. Bxg7 Kxg7 16. h4 e5 17. h5 c5 18. Rfe1 h6 19. hxg6 fxg6 {½-½ (54) Nguyen,V (2370)-Velarde Ramirez,H (2209) Budapest 2019}) 13. Rab1 ({White should try} 13. Bxa6 $14 Rxa6 14. Rab1) 13... Bxd3 $11 14. Qxd3 Ngf6 15. Nd2 O-O 16. Bg5 h6 17. Bh4 Rfb8 18. f4 Rxb1 19. Rxb1 Rb8 20. e5 Rxb1+ 21. Qxb1 dxe5 (21... Nd5 $11) 22. fxe5 $16 Nd5 23. Nc4 (23. c4 $16 Ne3 24. Bf2 (24. Bxe7 Nxe5 25. Bc5 N5xc4 $17)) 23... Nf8 24. Qb3 Ne6 25. Bg3 h5 26. Kf1 Bh6 27. Be1 Qa7 28. Bf2 Qa6 29. Ke1 {Black continues to play with concentration.} (29. Na3 $11 {keeps the balance.}) 29... Kg7 $17 30. g3 {[#]} (30. h3 $17) 30... Ng5 $1 $19 {[%cal Rg5f3] aiming for ...Nf3+.} 31. Kd1 $2 (31. Ng1) 31... Ne4 32. Bg1 h4 33. gxh4 $2 (33. Ke1) 33... Qc8 34. Ke1 Qg4 35. Bf2 Nxf2 36. Kxf2 Qxh4+ {[%mdl 64] [#] Double Attack} 37. Kg2 Qe4+ {[%mdl 64] Double Attack} 38. Kf2 Qh4+ 39. Kg2 Qe4+ (39... Qg4+ $142 40. Kf2 Qh3) 40. Kf2 $1 Qh1 {Black is clearly winning.} 41. Ng3 Qxh2+ 42. Kf3 Bf4 43. Nf1 Qh3+ 44. Kf2 Bg5 {...Nf4 is the strong threat.} 45. Qc2 Nxc3 (45... Bh4+ $142 46. Kg1 Nf4) 46. Nxa5 Qh4+ (46... Bh4+ $142 47. Kg1 Qf3) 47. Kg2 Qxd4 48. Nb3 Qd5+ 49. Kg1 Nxa4 50. Nbd2 Bxd2 51. Qxa4 Bc3 52. Qc2 Qxe5 {Accuracy: White = 31%, Black = 68%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.09"]
[Round "4.19"]
[White "Fatalibekova, Elena"]
[Black "Cejkova, Miroslava"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2158"]
[BlackElo "1998"]
[Annotator "ChessBase"]
[PlyCount "111"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} d6 {[%emt 0:00:00]} 3. d4 {[%emt 0:00:00]} Nd7 {[%emt 0:01:31]} 4. Bc4 {[%emt 0:00:46]} c6 {[%emt 0:00:25]} 5. O-O {[%emt 0:00:40]} Be7 {[%emt 0:01:14]} 6. Qe2 {[%emt 0:01:05]} h6 {[%emt 0:03:53]} 7. a4 {[%emt 0:09:47]} Ngf6 {[%emt 0:01:39]} 8. Nc3 {[%emt 0:00:33]} Qc7 {[%emt 0:01:56]} 9. dxe5 {[%emt 0:01:28]} dxe5 {[%emt 0:00:09]} 10. Nh4 {[%emt 0:02:06]} Nb6 {[%emt 0:31:35]} 11. Bb3 {[%emt 0:00:17]} g5 {[%emt 0:00:31]} 12. a5 {[%emt 0:12:39]} gxh4 {[%emt 0:07:04]} 13. axb6 {[%emt 0:00:02]} Qxb6 {[%emt 0:00:14]} 14. Be3 {[%emt 0:00:02]} Qc7 {[%emt 0:06:44]} 15. Bxa7 {[%emt 0:01:36]} b5 {[%emt 0:02:15]} 16. Bb6 {[%emt 0:07:57]} Qb7 {[%emt 0:00:08]} 17. Rxa8 {[%emt 0:00:15]} Qxa8 {[%emt 0:00:04]} 18. Bc7 {[%emt 0:00:31]} h3 {[%emt 0:04:02]} 19. Bxe5 {[%emt 0:00:56]} hxg2 {[%emt 0:00:15]} 20. Rd1 {[%emt 0:00:50]} Rg8 {[%emt 0:04:00]} 21. Bxf6 {[%emt 0:01:26]} Bxf6 {[%emt 0:00:35]} 22. e5 {[%emt 0:00:01]} Be7 {[%emt 0:01:39]} 23. e6 {[%emt 0:00:01]} fxe6 {[%emt 0:04:56]} 24. Bxe6 {[%emt 0:10:36]} Bxe6 {[%emt 0:02:29]} 25. Qxe6 {[%emt 0:00:01]} Rg7 {[%emt 0:01:15]} 26. Qxh6 {[%emt 0:00:53]} Kf7 {[%emt 0:02:44]} 27. Re1 {[%emt 0:03:36]} Bf6 {[%emt 0:02:56]} 28. Ne4 {[%emt 0:00:31]} Qd8 {[%emt 0:07:04]} 29. Qxf6+ {[%emt 0:00:58]} Qxf6 {[%emt 0:00:07]} 30. Nxf6 {[%emt 0:00:02]} Kxf6 {[%emt 0:00:07]} 31. Re3 {[%emt 0:00:02]} b4 {[%emt 0:03:08]} 32. Re4 {[%emt 0:02:07]} c5 {[%emt 0:04:03]} 33. Rc4 {[%emt 0:00:54]} Rg5 {[%emt 0:04:44]} 34. h4 {[%emt 0:00:15]} Rd5 {[%emt 0:00:34]} 35. Kxg2 {[%emt 0:00:10]} Ke6 {[%emt 0:00:26]} 36. Kg3 {[%emt 0:00:59]} Kd6 {[%emt 0:01:15]} 37. b3 {[%emt 0:00:27]} Ke6 {[%emt 0:00:39]} 38. Kg4 {[%emt 0:01:13]} Kf6 {[%emt 0:00:40]} 39. f4 {[%emt 0:03:03]} Kg6 {[%emt 0:00:15]} 40. Re4 {[%emt 0:00:00]} Rd2 {[%emt 0:00:00]} 41. h5+ {[%emt 0:04:31]} Kg7 {[%emt 0:00:28]} 42. Rc4 {[%emt 0:00:36]} Rd5 {[%emt 0:06:02]} 43. f5 {[%emt 0:00:39]} Kh6 {[%emt 0:01:17]} 44. Rf4 {[%emt 0:00:31]} Kg7 {[%emt 0:06:43]} 45. Kg5 {[%emt 0:01:14]} Rd2 {[%emt 0:00:54]} 46. h6+ {[%emt 0:00:39]} Kh7 {[%emt 0:00:21]} 47. Rc4 {[%emt 0:01:53]} Rg2+ {[%emt 0:00:30]} 48. Kf6 {[%emt 0:00:01]} Rf2 {[%emt 0:03:29]} 49. Rxc5 {[%emt 0:03:38]} Kxh6 {[%emt 0:00:11]} 50. Kf7 {[%emt 0:00:52]} Rd2 {[%emt 0:01:25]} 51. f6 {[%emt 0:00:13]} Rd7+ {[%emt 0:00:50]} 52. Ke6 {[%emt 0:01:51]} Rb7 {[%emt 0:00:22]} 53. Rf5 {[%emt 0:09:30]} Rb6+ {[%emt 0:02:19]} 54. Kd7 {[%emt 0:00:44]} Kg6 {[%emt 0:02:41]} 55. f7 {[%emt 0:00:35]} Rb7+ {[%emt 0:00:55]} 56. Kc6 {[%emt 0:00:22]} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.09"]
[Round "4.20"]
[White "Taborska, Veronika"]
[Black "Titorenko, Natalia I"]
[Result "1/2-1/2"]
[ECO "E40"]
[WhiteElo "1995"]
[BlackElo "2113"]
[Annotator "ChessBase"]
[PlyCount "70"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:42]} Bb4 {[%emt 0:00:00]} 4. e3 {[%emt 0:00:07]} Nc6 {[%emt 0:00:29]} 5. Bd3 {[%emt 0:02:04]} d5 {[%emt 0:01:34]} 6. Nge2 {[%emt 0:02:54]} O-O {[%emt 0:05:16]} 7. O-O {[%emt 0:01:30]} dxc4 {[%emt 0:33:02]} 8. Bxc4 {[%emt 0:00:45]} Re8 {[%emt 0:07:14]} 9. a3 {[%emt 0:18:55]} Be7 {[%emt 0:17:13]} 10. b4 {[%emt 0:07:20]} a5 {[%emt 0:01:41]} 11. b5 {[%emt 0:00:48]} Nb8 {[%emt 0:00:02]} 12. Bb2 {[%emt 0:03:23]} Nbd7 {[%emt 0:01:42]} 13. Rc1 {[%emt 0:03:54]} Nb6 {[%emt 0:02:11]} 14. Bb3 {[%emt 0:05:30]} Bd6 {[%emt 0:02:43]} 15. h3 {[%emt 0:05:13]} Qe7 {[%emt 0:01:07]} 16. a4 {[%emt 0:07:00]} Bd7 {[%emt 0:03:40]} 17. e4 {[%emt 0:02:26]} e5 {[%emt 0:02:38]} 18. d5 Nh5 {[%emt 0:01:27]} 19. Ng3 {[%emt 0:10:45]} Nf4 {[%emt 0:04:35]} 20. Qf3 {[%emt 0:02:07]} Qg5 {[%emt 0:02:03]} 21. Nce2 {[%emt 0:02:31]} Ng6 {[%emt 0:04:49]} 22. Rc2 {[%emt 0:02:54]} Rf8 {[%emt 0:01:05]} 23. Bc1 {[%emt 0:01:21]} Qf6 {[%emt 0:03:12]} 24. Qxf6 {[%emt 0:01:57]} gxf6 {[%emt 0:00:01]} 25. Nh5 {[%emt 0:00:32]} f5 {[%emt 0:00:12]} 26. Nf6+ {[%emt 0:02:19]} Kg7 {[%emt 0:00:24]} 27. Nxd7 {[%emt 0:00:44]} Nxd7 {[%emt 0:00:01]} 28. exf5 {[%emt 0:00:24]} Ne7 {[%emt 0:00:07]} 29. g4 {[%emt 0:02:18]} Nc5 {[%emt 0:00:20]} 30. Rc3 {[%emt 0:00:39]} Nxb3 {[%emt 0:00:17]} 31. Rxb3 {[%emt 0:00:11]} Nxd5 {[%emt 0:00:06]} 32. Ng3 {[%emt 0:01:07]} f6 {[%emt 0:02:58]} 33. Ne4 {[%emt 0:01:18]} Nb6 34. Nxd6 cxd6 35. Rd1 d5 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.09"]
[Round "4.21"]
[White "Netusil, Miloslav"]
[Black "Cummings, David H."]
[Result "0-1"]
[ECO "C47"]
[WhiteElo "2151"]
[BlackElo "2342"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,72,22,18,9,12,16,4,0,-23,-29,-25,-25,-24,-24,-33,-27,-70,-45,-41,-27,-34,-29,-129,-108,-120,-113,-113,-113,-113,-113,-285,-285,-285,-285,-311,-268,-262,-263,-252,-253,-176,-172,-216,-215,-314,-229,-388,-381,-371,-344,-325,-318]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 O-O 8. O-O Re8 9. Bg5 h6 10. Bh4 g5 11. Bg3 Bxc3 12. bxc3 {[#] Hoping for e5.} Nxe4 {C47: Scotch Four Knights and Four Knights with 4 g3.} 13. Qh5 {Black should prevent f4.} d6 $1 {[%mdl 4] is recently more successful than 13...Kg7.} 14. Rae1 Bf5 {[#] The position is equal.} 15. Qf3 $146 (15. Qxh6 {seems wilder.} Re6 16. Qh5 Qf6 17. h4 Rae8 18. hxg5 Qg6 19. Qxg6+ Bxg6 20. Bxe4 Bxe4 21. Rb1) ({Predecessor:} 15. Qxh6 Re6 16. Qh5 Qf6 17. Bxe4 Bxe4 18. h4 gxh4 19. Qg4+ Qg7 20. Qxh4 Rae8 21. Re2 {0-1 (56) Tari,A (2620)-Aronian,L (2765) St Petersburg 2018}) 15... Nxg3 16. Rxe8+ Qxe8 17. fxg3 Bxd3 18. cxd3 $11 {[%mdl 4096] Endgame KQR-KQR} Rb8 19. Qf2 a5 20. h4 Rb5 21. d4 Qe6 22. h5 (22. a4 $11 {remains equal.} Rb8 23. Qf3) 22... Kg7 $17 23. c4 Rb4 ({Much weaker is} 23... Qxc4 $6 24. Qf6+ Kh7 25. Qxf7+ Qxf7 26. Rxf7+ Kg8 27. Rxc7 $11) 24. d5 cxd5 25. cxd5 {[#]} Qe7 $1 ({Don't play} 25... Qxd5 $6 26. Qf6+ Kh7 27. Qxf7+ Qxf7 28. Rxf7+ Kh8 29. Rxc7 $11) 26. Qd2 $2 (26. Qc2 $17) 26... Qe5 $19 27. Qf2 Qd4 ({Weaker is} 27... Qxd5 28. Qf6+ Kh7 29. Qe7 $11) 28. Rc1 Qxf2+ 29. Kxf2 {KR-KR} Rd4 30. Rxc7 Rxd5 31. Ke3 Kf6 32. Ra7 g4 33. Ke4 (33. Ra6 {might work better.}) 33... Rxh5 34. Kf4 $2 (34. a4 {was called for.}) 34... Rc5 35. Kxg4 Rc4+ 36. Kf3 Ra4 {White got outplayed after the opening. Accuracy: White = 53%, Black = 95%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.09"]
[Round "4.22"]
[White "Plotkin, Victor"]
[Black "Pilar, Miloslav"]
[Result "1-0"]
[ECO "C15"]
[WhiteElo "2339"]
[BlackElo "2056"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,101,0,18,6,21,15,14,11,22,2,2,0,1,1,7,0,0,4,4,6,12,9,15,18,27,25,41,35,38,39,138,138,141,141,145,141,154,156,149,149,160,144,182,170,162,147,155,155,155,155,159,144,155,144,157,150,169,150,176,139,143,143,202,163,195,186,186,186,206,172,172,154,161,141,218,196,226,218,197,193,271,239,210,210,347,356,356,356,641,641]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. exd5 exd5 5. Bd3 Nf6 6. Nge2 O-O 7. O-O Bg4 8. f3 {C01: French: Exchange Variation.} Bh5 9. Nf4 Bg6 10. Nxg6 {The position is equal.} hxg6 11. Bg5 c6 12. Ne2 Bd6 13. Qd2 Nbd7 {[#]} 14. Rfe1 $146 ({Predecessor:} 14. c3 Re8 15. Bf4 Nf8 16. Bxd6 Qxd6 17. Qf4 Qxf4 18. Nxf4 g5 19. Nh3 Re3 20. Rad1 {½-½ (47) Heinrici,S (2099)-Kozissnik,C (1904) Austria 2017}) 14... Qc7 15. g3 Rfe8 16. Kg2 Nh7 17. Be3 Re7 18. Bf2 Rae8 19. Ng1 Rxe1 20. Rxe1 Rxe1 21. Qxe1 Qd8 {[#]} (21... a6 $14) 22. Bxg6 $1 $16 {[%mdl 512]} Nhf8 (22... fxg6 23. Qe6+) 23. Bd3 a6 24. h4 Ne6 25. Nh3 Qf6 26. c3 Ndf8 27. Qe3 Nc7 28. Ng5 Nce6 29. Bc2 Nxg5 30. Qxg5 Qxg5 31. hxg5 {[%mdl 4096] Endgame KBB-KBN} Ne6 32. f4 g6 33. Kf3 Kg7 34. Be3 Be7 35. Bd3 Bd8 36. Ke2 Be7 37. Kd2 c5 (37... Kf8 $16 38. Ke2 Ng7) 38. Bf1 c4 39. Bg2 Nc7 40. g4 Bd6 41. Ke2 b5 42. Kf3 Kf8 43. Bf1 a5 (43... Ke7 $16 {is a better defense.} 44. a3 a5) 44. Be2 $18 b4 {intending ...bxc3.} 45. Bd1 Nb5 46. Bd2 bxc3 (46... Ke7 $142 47. Ba4 bxc3 48. bxc3 Na7) 47. bxc3 Ba3 48. Ba4 Nc7 (48... Na7 $142 49. f5 Ke7) 49. f5 Ke7 50. Bf4 Bd6 $2 (50... Kd8 51. Ke2 Kc8) 51. Be5 {Accuracy: White = 95%, Black = 68%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.09"]
[Round "4.23"]
[White "Groh, Jiri"]
[Black "Findlay, Ian T."]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "1979"]
[BlackElo "2159"]
[Annotator "ChessBase"]
[PlyCount "105"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:06]} 3. e3 {[%emt 0:00:02]} d5 {[%emt 0:00:17]} 4. Be2 {[%emt 0:00:20]} c5 {[%emt 0:00:24]} 5. d4 {[%emt 0:00:18]} dxc4 {[%emt 0:00:15]} 6. O-O {[%emt 0:00:37]} Nc6 {[%emt 0:00:07]} 7. Nc3 {[%emt 0:00:54]} a6 {[%emt 0:00:14]} 8. Bxc4 {[%emt 0:00:18]} b5 {[%emt 0:00:06]} 9. Bb3 {[%emt 0:01:10]} Bb7 {[%emt 0:00:17]} 10. a4 {[%emt 0:02:38]} c4 {[%emt 0:08:01]} 11. axb5 {[%emt 0:02:35]} axb5 {[%emt 0:00:15]} 12. Rxa8 {[%emt 0:00:06]} Bxa8 {[%emt 0:00:14]} 13. Bc2 {[%emt 0:02:06]} Qb6 {[%emt 0:06:10]} 14. b3 {[%emt 0:03:38]} cxb3 {[%emt 0:05:32]} 15. Bxb3 {[%emt 0:00:17]} Bb4 {[%emt 0:00:44]} 16. Qd3 {[%emt 0:05:28]} Bxc3 {[%emt 0:01:31]} 17. Qxc3 {[%emt 0:00:02]} O-O {[%emt 0:00:15]} 18. Bb2 {[%emt 0:04:54]} Ne4 {[%emt 0:00:41]} 19. Qd3 {[%emt 0:07:03]} Nb4 {[%emt 0:00:46]} 20. Qb1 {[%emt 0:00:51]} Qb7 {[%emt 0:05:17]} 21. d5 {[%emt 0:03:51]} Nc5 {[%emt 0:12:22]} 22. Ba3 {[%emt 0:07:09]} Nbd3 {[%emt 0:01:40]} 23. dxe6 {[%emt 0:26:52]} fxe6 {[%emt 0:00:31]} 24. Bxe6+ {[%emt 0:03:17]} Nxe6 {[%emt 0:04:54]} 25. Bxf8 {[%emt 0:09:08]} Ne5 {[%emt 0:00:42]} 26. Qb3 {[%emt 0:03:09]} Nxf3+ {[%emt 0:00:16]} 27. gxf3 {[%emt 0:00:35]} Qf7 {[%emt 0:02:59]} 28. Bd6 {[%emt 0:00:47]} Ng5 {[%emt 0:17:11]} 29. Qxf7+ {[%emt 0:00:17]} Kxf7 {[%emt 0:00:02]} 30. Rc1 {[%emt 0:02:20]} Nxf3+ {[%emt 0:00:08]} 31. Kf1 {[%emt 0:00:34]} Ke6 {[%emt 0:00:12]} 32. Bb8 {[%emt 0:01:17]} g5 {[%emt 0:02:51]} 33. Rc5 {[%emt 0:01:24]} Bd5 {[%emt 0:00:13]} 34. Ke2 {[%emt 0:01:18]} b4 {[%emt 0:01:34]} 35. Kd3 {[%emt 0:05:46]} Ne1+ {[%emt 0:00:41]} 36. Kd2 {[%emt 0:00:09]} Nf3+ {[%emt 0:00:08]} 37. Kc2 {[%emt 0:00:25]} Ne1+ {[%emt 0:00:06]} 38. Kd2 {[%emt 0:01:24]} Nf3+ {[%emt 0:00:11]} 39. Kc1 {[%emt 0:00:27]} Ne1 {[%emt 0:00:41]} 40. Rb5 {[%emt 0:00:00]} Nd3+ {[%emt 0:00:00]} 41. Kd2 {[%emt 0:01:38]} Bc4 {[%emt 0:08:27]} 42. Rxg5 {[%emt 0:03:04]} b3 {[%emt 0:00:20]} 43. Kc3 {[%emt 0:02:23]} b2 {[%emt 0:00:24]} 44. Rg1 {[%emt 0:00:06]} Ba2 {[%emt 0:00:15]} 45. Kxd3 {[%emt 0:00:13]} b1=Q+ {[%emt 0:00:12]} 46. Rxb1 {[%emt 0:00:05]} Bxb1+ {[%emt 0:00:10]} 47. Kd4 {[%emt 0:00:07]} Bc2 {[%emt 0:01:45]} 48. e4 {[%emt 0:00:23]} Bd1 {[%emt 0:07:51]} 49. Ke3 {[%emt 0:00:33]} Bc2 {[%emt 0:01:58]} 50. f4 {[%emt 0:00:19]} Bb1 {[%emt 0:00:08]} 51. Ba7 {[%emt 0:00:19]} Bc2 {[%emt 0:00:08]} 52. f5+ {[%emt 0:00:07]} Kf7 {[%emt 0:00:10]} 53. Kf4 {[%emt 0:00:07]} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.09"]
[Round "4.24"]
[White "Barron, Michael"]
[Black "Vanek, Petr"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "2075"]
[BlackElo "2076"]
[Annotator "ChessBase"]
[PlyCount "107"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 3. Nd2 {[%emt 0:00:00]} Nf6 4. e5 {[%emt 0:00:00]} Nfd7 {[%emt 0:00:42]} 5. Bd3 {[%emt 0:00:00]} c5 {[%emt 0:00:16]} 6. c3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:11]} 7. Ne2 cxd4 {[%emt 0:00:53]} 8. cxd4 {[%emt 0:00:00]} f6 {[%emt 0:00:10]} 9. exf6 {[%emt 0:00:20]} Nxf6 {[%emt 0:00:11]} 10. O-O {[%emt 0:00:31]} Bd6 {[%emt 0:00:22]} 11. Nf3 {[%emt 0:00:00]} O-O {[%emt 0:00:25]} 12. Bg5 {[%emt 0:00:00]} Qc7 {[%emt 0:02:56]} 13. Bh4 {[%emt 0:00:00]} Bd7 {[%emt 0:17:12]} 14. Bg3 {[%emt 0:00:34]} Rae8 15. Rc1 {[%emt 0:00:22]} Bxg3 {[%emt 0:04:06]} 16. hxg3 {[%emt 0:04:33]} Qd6 {[%emt 0:05:35]} 17. Qb3 {[%emt 0:04:31]} Qb4 18. Rc3 {[%emt 0:00:02]} Qxb3 {[%emt 0:10:24]} 19. Rxb3 b6 {[%emt 0:01:55]} 20. Rc1 {[%emt 0:01:02]} e5 {[%emt 0:06:28]} 21. dxe5 {[%emt 0:06:19]} Nxe5 {[%emt 0:00:45]} 22. Nxe5 {[%emt 0:01:15]} Rxe5 {[%emt 0:00:05]} 23. f3 {[%emt 0:00:18]} Rfe8 {[%emt 0:04:28]} 24. Kf2 {[%emt 0:02:31]} Bf5 {[%emt 0:06:50]} 25. Nd4 {[%emt 0:00:42]} Bxd3 {[%emt 0:00:13]} 26. Rxd3 {[%emt 0:00:07]} Kf7 {[%emt 0:02:14]} 27. Rd2 {[%emt 0:00:39]} R5e7 {[%emt 0:01:37]} 28. g4 {[%emt 0:00:22]} h6 {[%emt 0:01:05]} 29. Rdc2 {[%emt 0:01:12]} Rd7 {[%emt 0:01:48]} 30. Rc7 {[%emt 0:00:51]} Rxc7 {[%emt 0:05:07]} 31. Rxc7+ {[%emt 0:00:14]} Re7 {[%emt 0:00:13]} 32. Rxe7+ {[%emt 0:04:23]} Kxe7 {[%emt 0:02:20]} 33. Nc6+ {[%emt 0:00:02]} Kd6 {[%emt 0:00:29]} 34. Nxa7 {[%emt 0:00:02]} Kc5 {[%emt 0:00:20]} 35. Nc8 {[%emt 0:00:03]} d4 {[%emt 0:00:31]} 36. Ne7 {[%emt 0:00:15]} Kc4 {[%emt 0:01:00]} 37. Ke2 {[%emt 0:00:06]} g5 {[%emt 0:01:22]} 38. Kd2 {[%emt 0:00:58]} b5 {[%emt 0:01:55]} 39. Kc2 {[%emt 0:03:46]} h5 {[%emt 0:01:45]} 40. Ng6 {[%emt 0:00:00]} hxg4 {[%emt 0:00:00]} 41. Ne5+ {[%emt 0:04:18]} Kd5 {[%emt 0:07:08]} 42. Nxg4 {[%emt 0:01:50]} Nd7 {[%emt 0:01:33]} 43. b3 {[%emt 0:01:11]} b4 {[%emt 0:00:33]} 44. Kd2 {[%emt 0:00:11]} Nc5 {[%emt 0:00:55]} 45. Nf2 {[%emt 0:00:38]} Ke6 {[%emt 0:07:50]} 46. Ne4 {[%emt 0:00:31]} Nxe4+ {[%emt 0:03:17]} 47. fxe4 {[%emt 0:00:02]} Kd6 {[%emt 0:00:26]} 48. Kd3 {[%emt 0:00:34]} Ke5 {[%emt 0:00:09]} 49. g4 {[%emt 0:00:03]} Kf4 {[%emt 0:00:12]} 50. Kxd4 {[%emt 0:00:03]} Kxg4 {[%emt 0:00:05]} 51. e5 {[%emt 0:00:12]} Kf5 {[%emt 0:00:42]} 52. Kd5 {[%emt 0:00:02]} g4 {[%emt 0:00:19]} 53. e6 {[%emt 0:00:01]} Kf6 {[%emt 0:01:12]} 54. Kd6 {[%emt 0:00:03]} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.09"]
[Round "4.25"]
[White "Matveeva, Svetlana"]
[Black "Jakel, Wolfgang"]
[Result "1-0"]
[ECO "A81"]
[WhiteElo "2375"]
[BlackElo "2260"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,63,45,63,43,49,42,36,40,38,47,46,39,29,34,115,48,91,85,127,129,125,84,81,65,101,97,130,117,161,138,141,129,121,87,183,165,381,372,417,300,462,414,1095,1061,1112,1088,29985,29986]} 1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. b3 Bg7 5. Bb2 O-O 6. Nd2 d6 7. Ngf3 Qe8 8. O-O c6 9. c4 Ne4 10. Nxe4 {A87: Dutch Defence: Leningrad System: 5 Nf3.} fxe4 11. Ng5 d5 12. f3 {White is slightly better.} h6 13. Nh3 exf3 14. exf3 dxc4 15. bxc4 {[#]} Be6 $146 (15... c5 $14) ({Predecessor:} 15... c5 16. Qd2 cxd4 17. Bxd4 Qd7 18. Rad1 Bxd4+ 19. Qxd4 Qxd4+ 20. Rxd4 Nc6 21. Rd2 Be6 {0-1 (42) Benkovic,P (2431)-Meijers,V (2479) Biel 2005}) 16. Rc1 (16. Qe2 $16 Qd7 17. Nf2) 16... Qf7 17. Qe2 $36 {[%mdl 2048] White has strong initiative.} Bf6 18. Nf4 Bf5 19. d5 Na6 20. Rfe1 g5 21. Ne6 Bxe6 22. Bxf6 ({Much worse is} 22. dxe6 $6 Qg6 $11) 22... exf6 23. dxe6 Qe7 24. f4 f5 25. Qh5 Kg7 (25... gxf4 $16 26. Qxh6 Rae8) 26. fxg5 $18 hxg5 $2 {[#]} (26... Qxg5 {was necessary.} 27. Qe2 Qf6) 27. Re5 $1 Qf6 28. Rce1 {aiming for e7.} Nc7 (28... Rae8 {was called for.} 29. Bf1 Nc7) 29. e7 Rh8 (29... Rf7 $142 30. Qd1 Rh8) 30. Qf3 Kg6 31. Qd3 Rae8 {[#]} 32. Rxf5 $1 {[%mdl 512] Accuracy: White = 80%, Black = 26%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.09"]
[Round "4.26"]
[White "Sandten, Ulrich"]
[Black "Grabuzova, Tatiana"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "2100"]
[BlackElo "2272"]
[Annotator "ChessBase"]
[PlyCount "92"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:01]} f5 {[%emt 0:00:48]} 3. e3 {[%emt 0:00:20]} Nf6 {[%emt 0:00:39]} 4. Be2 {[%emt 0:00:14]} b6 {[%emt 0:02:22]} 5. O-O {[%emt 0:00:51]} Bb7 {[%emt 0:00:04]} 6. c4 {[%emt 0:00:27]} Be7 {[%emt 0:00:12]} 7. Nc3 {[%emt 0:00:21]} O-O {[%emt 0:00:32]} 8. Rb1 {[%emt 0:04:12]} Ne4 {[%emt 0:03:18]} 9. Qc2 {[%emt 0:00:45]} Nxc3 {[%emt 0:17:05]} 10. Qxc3 {[%emt 0:00:13]} Be4 {[%emt 0:00:03]} 11. Ra1 {[%emt 0:00:15]} Bf6 {[%emt 0:00:37]} 12. b4 {[%emt 0:03:32]} c5 {[%emt 0:01:49]} 13. Bb2 {[%emt 0:07:33]} Nc6 {[%emt 0:04:50]} 14. bxc5 {[%emt 0:02:04]} bxc5 {[%emt 0:00:09]} 15. Qd2 {[%emt 0:02:36]} Rb8 {[%emt 0:06:59]} 16. Bc3 {[%emt 0:05:19]} d6 {[%emt 0:13:42]} 17. Rfd1 {[%emt 0:05:36]} Qe7 {[%emt 0:10:31]} 18. Ne1 {[%emt 0:03:15]} cxd4 {[%emt 0:03:18]} 19. exd4 {[%emt 0:00:12]} Bg5 {[%emt 0:03:10]} 20. f4 {[%emt 0:01:01]} Bh6 {[%emt 0:05:35]} 21. Nf3 {[%emt 0:10:47]} e5 {[%emt 0:10:53]} 22. dxe5 {[%emt 0:01:13]} dxe5 {[%emt 0:00:12]} 23. Nxe5 {[%emt 0:07:17]} Qc5+ {[%emt 0:00:44]} 24. Kf1 {[%emt 0:04:47]} Nxe5 {[%emt 0:06:32]} 25. Bxe5 {[%emt 0:00:12]} Qxe5 {[%emt 0:00:08]} 26. fxe5 {[%emt 0:00:21]} Bxd2 {[%emt 0:00:03]} 27. Rxd2 {[%emt 0:00:15]} Rbe8 {[%emt 0:00:09]} 28. Kf2 {[%emt 0:08:57]} Rxe5 {[%emt 0:00:16]} 29. Rc1 {[%emt 0:02:36]} Ra5 {[%emt 0:02:06]} 30. Rc3 {[%emt 0:04:00]} Rb8 {[%emt 0:02:24]} 31. Rb3 {[%emt 0:00:56]} Rb6 {[%emt 0:00:29]} 32. Rxb6 {[%emt 0:01:37]} axb6 {[%emt 0:00:05]} 33. Rb2 {[%emt 0:00:35]} Ra3 {[%emt 0:01:59]} 34. g3 {[%emt 0:01:44]} Kf8 {[%emt 0:00:30]} 35. Rxb6 {[%emt 0:02:19]} Rxa2 {[%emt 0:00:10]} 36. Ke3 {[%emt 0:00:16]} g5 {[%emt 0:02:17]} 37. Rd6 {[%emt 0:06:49]} Kg7 {[%emt 0:02:22]} 38. Rb6 {[%emt 0:04:04]} Kf8 {[%emt 0:00:46]} 39. h4 {[%emt 0:02:30]} Ra3+ {[%emt 0:00:17]} 40. Kd4 {[%emt 0:00:00]} Rxg3 {[%emt 0:00:00]} 41. hxg5 {[%emt 0:01:01]} Rxg5 {[%emt 0:00:39]} 42. Ke5 {[%emt 0:01:05]} Rg6 {[%emt 0:05:50]} 43. Rxg6 {[%emt 0:03:19]} hxg6 {[%emt 0:00:05]} 44. Kf6 {[%emt 0:00:04]} f4 {[%emt 0:00:22]} 45. Kg5 {[%emt 0:00:05]} f3 {[%emt 0:00:16]} 46. Bxf3 {[%emt 0:00:06]} Bxf3 {[%emt 0:00:07]} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.09"]
[Round "4.27"]
[White "Yakimenko, Alexander A."]
[Black "Zimmermann, Rolf"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2149"]
[BlackElo "2090"]
[Annotator "ChessBase"]
[PlyCount "41"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 2. exd5 {[%emt 0:00:00]} Nf6 {[%emt 0:00:27]} 3. Bb5+ {[%emt 0:02:24]} Bd7 {[%emt 0:03:04]} 4. Bc4 {[%emt 0:00:28]} Bg4 {[%emt 0:06:44]} 5. f3 {[%emt 0:01:37]} Bh5 {[%emt 0:01:23]} 6. Nc3 {[%emt 0:00:25]} c6 {[%emt 0:02:09]} 7. dxc6 {[%emt 0:12:03]} Nxc6 {[%emt 0:00:22]} 8. Nge2 {[%emt 0:01:18]} e5 {[%emt 0:00:29]} 9. O-O {[%emt 0:03:50]} Bc5+ {[%emt 0:01:01]} 10. Kh1 {[%emt 0:00:10]} a6 {[%emt 0:01:38]} 11. d3 {[%emt 0:02:26]} Na5 {[%emt 0:07:18]} 12. Bg5 {[%emt 0:06:57]} Nxc4 {[%emt 0:01:56]} 13. dxc4 {[%emt 0:00:23]} Qxd1 {[%emt 0:05:02]} 14. Raxd1 {[%emt 0:00:49]} Be7 {[%emt 0:12:38]} 15. Ng3 {[%emt 0:06:56]} Bg6 {[%emt 0:00:34]} 16. Rfe1 {[%emt 0:02:00]} h6 {[%emt 0:11:36]} 17. Bxf6 {[%emt 0:02:32]} Bxf6 {[%emt 0:00:14]} 18. Nd5 {[%emt 0:01:40]} O-O-O {[%emt 0:04:12]} 19. Ne4 {[%emt 0:02:39]} Rhe8 {[%emt 0:08:42]} 20. Ndxf6 {[%emt 0:03:55]} gxf6 {[%emt 0:01:31]} 21. Nd6+ {[%emt 0:00:13]} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.09"]
[Round "4.28"]
[White "Hoehn, Michael"]
[Black "Chudinovskikh, Alexander M"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2036"]
[BlackElo "2139"]
[Annotator "NA"]
[PlyCount "46"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 2. Bc4 {[%emt 0:00:45]} Bg7 {[%emt 0:00:19]} 3. Nf3 {[%emt 0:00:16]} c6 {[%emt 0:00:34]} 4. O-O {[%emt 0:00:45]} d5 {[%emt 0:00:17]} 5. exd5 {[%emt 0:00:05]} cxd5 {[%emt 0:00:04]} 6. Bb3 {[%emt 0:01:00] B06: Modern Defence.} Nc6 {[%emt 0:01:21]} 7. h3 {[%emt 0:06:21]} Nf6 {[%emt 0:01:28]} 8. d4 {[%emt 0:02:43]} O-O {[%emt 0:00:24]} 9. Bf4 {[%emt 0:01:14] [#]} Bf5 $146 {[%emt 0:00:35]} ({Predecessor:} 9... Na5 10. Qe2 Nxb3 11. axb3 Re8 12. c4 b6 13. Nc3 a6 14. Rfc1 Bb7 15. c5 bxc5 16. dxc5 {0-1 (42) Papp,C (2160)-Barczay,L (2380) Szekszard 1996}) 10. Ne5 {[%emt 0:04:36]} Rc8 {[%emt 0:03:29]} 11. c3 {[%emt 0:08:33]} Na5 {[%emt 0:00:17]} 12. Bc2 {[%emt 0:01:49]} Bxc2 {[%emt 0:00:17]} 13. Qxc2 {[%emt 0:00:02]} b5 {[%emt 0:00:17]} 14. Qe2 {[%emt 0:02:02]} Nc4 {[%emt 0:01:16]} 15. b3 {[%emt 0:08:48]} Nd6 {[%emt 0:00:15]} 16. a4 {[%emt 0:02:26]} b4 {[%emt 0:00:28]} 17. cxb4 {[%emt 0:01:50]} Qb6 {[%emt 0:00:06]} 18. Nf3 {[%emt 0:06:38]} Nf5 {[%emt 0:05:01]} 19. b5 {[%emt 0:05:30]} Ne4 $15 {[%emt 0:05:57]} 20. Be5 {[%emt 0:15:41]} Bxe5 {[%emt 0:02:16]} 21. a5 {[%emt 0:02:08]} Nxd4 {[%emt 0:00:55]} 22. Nxd4 {[%emt 0:05:49]} Qxd4 {[%emt 0:03:27]} 23. Ra4 {[%emt 0:00:32]} Qc5 {[%emt 0:07:00]} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.09"]
[Round "4.29"]
[White "Sorm, Daniel"]
[Black "Vltavsky, Vladimir"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "2328"]
[BlackElo "2212"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,109,0,0,0,46,0,0,0,12,-24,-25,-37,-40,-45,-44,-44,-17,-47,-15,-66,-45,-84,-79,-98,-99,-116,-54,-122,-87,-111,-104,-135,-139,-168,-124,-134,-135,-133,-106,-115,-108,-124,0,-96,-48,-62,-22,-23,-14,-15,-15,-49,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Nf3 e6 3. e3 b6 4. Bd3 Bb7 5. O-O Be7 6. c4 O-O 7. Nc3 d5 8. cxd5 exd5 9. Ne5 c5 $1 {9...c5 scores better than 9...Nbd7.} 10. Qf3 {E14: Queen's Indian: Classical Variation (4 e3).} Nbd7 11. Rd1 (11. Qh3 $5 {[%cal Re5d7]} Nxe5 12. dxe5 $11) 11... Bd6 12. Nxd7 Qxd7 {[#]} 13. Bf5 $146 ({Predecessor:} 13. dxc5 bxc5 14. b3 Qe7 15. Qh3 Qe6 16. Bf5 Qe7 17. Bb2 h6 18. Rac1 Bc6 19. Ne2 {1-0 (54) Giorgadze,G-Vidarsson,J (2300) Gausdal 1992}) 13... Qe7 14. Nb5 Bb8 15. Bd2 a6 16. Nc3 Bc7 17. Rac1 Rab8 18. Na4 ({White should play} 18. Qh3 $11) 18... Bc6 19. Bc2 Ne4 20. Be1 c4 $36 {[%mdl 2048] Black is really pushing.} 21. Qe2 b5 (21... f5 $17 22. f3 Ng5) 22. Nc3 (22. Bxe4 $15 dxe4 23. Nc5) 22... Nxc3 23. bxc3 f5 24. f3 Rbe8 25. Bf2 Qf7 26. Re1 Qh5 27. h3 Rf6 28. Qd2 Rg6 29. Kf1 Rf6 (29... Qg5 $17 30. Bg1 Bg3) 30. a4 (30. Kg1 $1 $11 {remains equal.}) 30... Rff8 31. axb5 axb5 32. Ra1 Ra8 33. Reb1 Qf7 34. Qe1 Rfe8 35. Rxa8 {The position is equal.} Rxa8 36. Ra1 Rxa1 37. Qxa1 g6 38. Qa6 Qd7 39. Bh4 Kf7 40. Bg5 Bd6 (40... h5 {is interesting.} 41. Qa1 Bd6 42. Kf2 Qc7 43. g4 Be7) 41. Bf4 Bxf4 42. exf4 Qb7 43. Qa5 Qb8 44. g3 h5 45. h4 Ke7 46. Ke2 Kd7 47. Kd2 Qc7 48. Qa3 Qd6 49. Qa7+ Qc7 50. Qa6 Qd6 51. Qa7+ Qc7 52. Qa1 Qd6 53. Qa7+ Qc7 54. Qc5 Qd6 {[#] ...Qxc5 is the strong threat.} 55. Qa7+ {White happily takes the draw. Accuracy: White = 71%, Black = 72%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.09"]
[Round "4.30"]
[White "Cerny, Martin"]
[Black "Pastircak, Milan"]
[Result "1/2-1/2"]
[ECO "D91"]
[WhiteElo "2123"]
[BlackElo "2277"]
[Annotator "ChessBase"]
[PlyCount "47"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bg5 Ne4 6. Bf4 Nxc3 7. bxc3 O-O 8. e3 c5 9. cxd5 cxd4 10. cxd4 Qxd5 11. Be2 Nc6 12. O-O Bf5 13. Qa4 Qa5 14. Qxa5 Nxa5 15. Bc7 Nc6 16. Rfc1 Rac8 17. Bf4 Rfd8 18. h3 h6 19. g4 Be6 20. Kf1 Kf8 21. a3 Bd5 22. Rab1 Be4 23. Ra1 Bd5 24. Rab1 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.09"]
[Round "4.31"]
[White "Mudrak, Josef"]
[Black "Marsalek, Zdenek"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "2213"]
[BlackElo "2177"]
[Annotator "TA"]
[PlyCount "140"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,140,-2,4,1,16,-23,-12,-28,1,-36,-38,-52,-41,-60,-59,-79,-74,-108,-108,-124,-109,-109,-75,-146,-152,-178,-164,-156,-162,-176,-176,-186,-176,-166,-170,-195,-177,-263,-303,-321,-297,-288,-289,-262,-241,-260,-200,-247,-235,-212,-202,-245,-237,-228,-210,-199,-94,-285,-274,-259,-245,-233,-247,-293,-294,-310,-295,-297,-297,-297,-296,-322,0,-295,-161,-161,-154,-147,-88,-94,-27,-99,-101,-88,0,-80,0,-72,-47,-38,-47,-123,-122,-467,-116,-29990,-29991,-29991,-12804,-6272,-4170,-2175,-2229,-6238,-6203,-5639,-4133,-6095,-5377,-5566,-5365,-4133,-2826,-1297,-727,-29985,-29985,-29989,-29990,-29990,-29986,-29986,-29987,-29987,-29986,-29992,-29993,-29993,-29991,-29997,-29997,-29998,-29997]} 1. d4 Nf6 2. Nf3 e6 3. g3 b5 4. Bg2 Bb7 5. O-O d5 6. Ne5 {A46: 1 d4 Nf6 2 Nf3 e6: Torre, London and Colle Systems.} Nbd7 7. f4 c5 8. e3 {The position is equal.} Qb6 9. c3 {[#]} Be7 $146 ({Predecessor:} 9... Bd6 10. Kh1 h5 11. h4 Bxe5 12. fxe5 Ng4 13. Bf3 f5 14. b4 cxb4 15. cxb4 g5 {0-1 (44) Petrenko,S (2140)-Doluhanova,E (2328) Braila 2017}) 10. Nd2 O-O 11. g4 {Hoping for g5.} Nxe5 12. fxe5 Nd7 13. Qe1 b4 14. Qg3 Rac8 15. g5 Rc7 16. Kh1 (16. Rf2 $142) 16... Ba6 17. Re1 Rfc8 18. Nb3 cxd4 19. cxd4 Bd3 20. e4 Bxe4 21. Bxe4 dxe4 22. Be3 Qb7 23. h4 (23. Re2 $142) 23... Rc2 $19 24. Rf1 Nb6 25. Rf2 Nd5 26. Raf1 Rxf2 27. Qxf2 Bf8 28. Kg1 {[#]} Rc2 $1 {[%mdl 576] Deflection} 29. Qxc2 Nxe3 30. Qe2 Nxf1 31. Qxf1 Qd5 32. Kf2 h6 (32... a5 $1 $19 {[%cal Ra5a4] And now ...a4 would win.} 33. Ke3 a4) 33. Ke3 $2 (33. gxh6 $17 {was forced.} Be7 34. Ke3) 33... hxg5 34. hxg5 Be7 35. Qg2 Qc4 36. Qxe4 Bxg5+ 37. Kf2 g6 38. Qe2 Qd5 39. Qf3 {intending Qxd5.} Qb5 40. Qe4 Qc4 41. Qe2 $1 {[%cal Re2c4]} Bh4+ (41... Qc6 $142 42. Nc5 Qd5) 42. Kf3 Qc7 43. Nc5 Be7 (43... Qd8 $142 44. Qe4 Be7) 44. Qb5 $17 Bxc5 (44... Qd8 $17 45. Qd7 Qxd7 46. Nxd7 Bd8) 45. dxc5 $11 Qxe5 46. Qxb4 $17 {[%mdl 4096] Endgame KQ-KQ} Qd5+ (46... f5 $1 $17 {aiming for ...g5.} 47. Qc4 Kf7) 47. Ke3 (47. Kf2 $11) 47... Qe5+ (47... f5 $17 48. Qd4 f4+ $1 {[%mdl 512]} 49. Qxf4 Qxc5+ 50. Kf3 g5 51. Qb8+ Kf7) 48. Kf2 (48. Kf3 $1 $11 {remains equal.}) 48... g5 49. Qc4 Qxb2+ 50. Kg3 {Black continues to play with concentration.} (50. Kf1 $15) 50... Qe5+ 51. Kg4 $2 {[%mdl 8192]} (51. Kh3 $17 {is more resistant.}) 51... Kg7 $2 (51... Qe3 $19 52. Qb3 Qxc5) 52. c6 $2 {[%mdl 8192] [#]} (52. Kh3 $17) 52... Qe3 $1 ({Weaker is} 52... f5+ 53. Kf3 $17) 53. Qf1 Kg6 (53... f5+ $142 54. Qxf5 exf5+ 55. Kxf5 Kf7 56. Kg4 Qf4+ 57. Kh3 g4+ 58. Kg2 Qf3+ {[%mdl 64] Double Attack} 59. Kg1 g3 60. c7 Qf2+ {[%mdl 64] Double Attack} 61. Kh1 Qh2#) 54. Qf3 $19 Qd4+ 55. Kh3 f5 {( -> ...g4+)} 56. Qg3 g4+ 57. Kh2 Qd2+ 58. Qg2 Qd6+ 59. Kh1 Qc5 60. Kh2 Qc1 61. a4 Kg5 {...f4 is the strong threat.} 62. Qf2 f4 {Black mates.} 63. Qxa7 g3+ 64. Kg2 Qxc6+ 65. Kg1 Qc1+ 66. Kg2 Qb2+ 67. Kg1 Kg4 68. Kf1 g2+ 69. Kg1 f3 70. Kh2 Qh8+ {[%mdl 64] Decoy. Accuracy: White = 51%, Black = 64%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.09"]
[Round "4.32"]
[White "Zahorbensky, Jaroslav"]
[Black "Vrana, Frantisek"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "2098"]
[BlackElo "2231"]
[Annotator "TA"]
[PlyCount "113"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,113,22,12,3,15,15,37,5,9,0,0,-13,54,40,81,86,84,81,78,83,166,167,164,167,168,159,152,158,150,127,124,124,124,125,127,118,122,111,108,97,118,111,116,106,106,106,107,106,115,117,120,119,120,92,109,110,127,120,131,87,87,87,87,87,95,25,25,9,9,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,97,97,12833,12834,12834,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Nc3 e5 6. d3 Nge7 7. Be3 {B31: Sicilian: 2...Nc6 3 Bb5 g6.} Nd4 8. Bc4 d6 {[#]} 9. Ng5 $146 {White is slightly better.} ({Predecessor:} 9. h3 O-O 10. Bg5 Qc7 11. Bxe7 Qxe7 12. Nd5 Qd8 13. Nxd4 cxd4 14. c3 dxc3 15. bxc3 {½-½ (62) Van Damme,L (2235)-Pommrich,R (2280) ICCF email 2010}) 9... O-O 10. f4 exf4 11. Bxf4 Ne6 ({Better is} 11... Be6 $1 $11) 12. Be3 $36 {[%mdl 2048] And now Rxf7! would win. White has the initiative.} Nc6 13. Rxf7 Rxf7 14. Nxe6 Bxe6 15. Bxe6 Ne5 (15... Qf6 $16 16. Qg4 (16. Bxf7+ Qxf7 17. Kh1 b6 $16) 16... Re8 17. Bxf7+ Qxf7) 16. Nd5 $18 Kh8 {intending ...Rf8.} 17. Bxf7 Nxf7 18. Qf3 Qd7 19. Rf1 Rf8 20. Qh3 Qxh3 21. gxh3 Ne5 22. Rxf8+ Bxf8 $16 {[%mdl 4096] Endgame KBN-KBN} 23. Kf2 Kg7 24. Bg5 Kf7 25. Bf6 Nd7 26. Bc3 Bh6 27. a3 {[%cal Ba2a3,Ba3a4][%mdl 32]} Bc1 28. a4 a6 29. b4 Ke6 30. b5 axb5 31. axb5 Bg5 32. Bh8 Kf7 33. Kf3 Bh6 34. Bb2 Ke6 35. c4 Bg5 36. Bc3 Bh6 37. h4 Bc1 38. h5 (38. Kg3 $16) 38... gxh5 $11 39. h3 Ne5+ 40. Bxe5 Kxe5 {KB-KN} 41. Nb6 Ke6 42. Ke2 Kf6 43. Kf3 Ke7 44. Nd5+ Ke6 45. Nb6 Bg5 46. Nd5 Ke5 47. Nc7 h6 {[#]} (47... Be7 $11) 48. Ne8 $1 $16 Bf6 $2 {[%mdl 8192]} (48... Bd2 $16) 49. Nxf6 $18 Kxf6 {[#] KP-KP} 50. Kf4 $2 (50. h4 $1 $18 Ke5 51. Ke2) 50... h4 $1 $11 {The position is equal.} 51. b6 Ke6 52. Kg4 Ke5 53. Kf3 Kf6 (53... Kd4 $5 54. Ke2 $8 Ke5 $11) 54. Kf4 Ke6 55. Kg4 Ke5 56. Kf3 Kf6 57. Kf4 {Accuracy: White = 87%, Black = 79%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.09"]
[Round "4.33"]
[White "Pieper, Thomas"]
[Black "Sokolin, Leonid"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2258"]
[BlackElo "2496"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,63,25,18,27,9,17,9,0,-6,6,0,50,0,3,0,34,20,12,15,35,41,54,-21,110,10,44,17,23,-83,-87,-66,-65,-69,-59,-59,-66,-63,-66,-108,-102,-144,-117,-164,-108,-158,-148,-158,-166,-316,-308,-371]} 1. e4 g6 2. d4 Bg7 3. Nf3 c6 4. h3 d6 5. Bc4 Nf6 6. Qe2 O-O 7. e5 Nd5 8. O-O b5 {B04: Alekhine's Defence: 4 Nf3.} 9. Bb3 a5 {[#]} 10. exd6 $146 ({Predecessor:} 10. Re1 Na6 11. Bg5 Nac7 12. exd6 Qxd6 13. Nbd2 Ne6 14. c3 a4 15. Bxd5 cxd5 16. a3 {1-0 (37) Mastrovasilis,D (2598)-Todorovic,B (2324) Bajina Basta 2019}) 10... Qxd6 {The position is equal.} 11. c3 Bf5 12. Re1 Ra7 13. Nh4 Be6 14. Nd2 Nf4 (14... a4 $5 {[%cal Ra4b3]} 15. Bc2 Qc7 $11) 15. Qf3 {[#] aiming for Ne4.} Bxb3 16. axb3 Nd5 17. Ne4 Qc7 18. Qg3 (18. Qe2 $14) 18... e5 (18... Qxg3 $11 19. Nxg3 (19. fxg3 Nd7 $11) 19... Nd7) 19. Nf3 ({Better is} 19. c4 $16) 19... f5 {White must now prevent ...exd4.} 20. Neg5 {Threatens to win with Ne6.} e4 $1 {Hoping for ...Qxg3.} 21. Ne6 (21. Ne5 $1 $11 {keeps the balance.} Bxe5 22. dxe5) 21... Qxg3 $17 22. fxg3 exf3 23. Nxf8 Kxf8 24. gxf3 Kf7 25. Bd2 Nd7 26. Kg2 N7b6 27. Re2 Bf6 28. Rc1 Ne7 (28... a4 $19 29. c4 Nc7 30. bxa4 Nxc4) 29. Bf4 Nbd5 30. Bd6 {[#]} f4 $1 {[%mdl 512]} 31. gxf4 (31. g4 $142) (31. Bxf4 Nxf4+) 31... Nf5 $19 32. Be5 {Accuracy: White = 45%, Black = 69%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.09"]
[Round "4.34"]
[White "Dolgitser, Konstantin"]
[Black "Kempter, Ronald"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "2232"]
[BlackElo "2238"]
[Annotator "ChessBase"]
[PlyCount "107"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:00]} g6 {[%emt 0:00:29]} 3. c4 {[%emt 0:00:03]} Bg7 {[%emt 0:00:52]} 4. g3 {[%emt 0:00:25]} O-O {[%emt 0:00:11]} 5. Bg2 {[%emt 0:00:08]} d6 {[%emt 0:00:12]} 6. O-O {[%emt 0:00:37]} Nc6 {[%emt 0:00:19]} 7. d5 {[%emt 0:00:10]} Na5 {[%emt 0:00:05]} 8. Nfd2 {[%emt 0:01:53]} c5 {[%emt 0:00:06]} 9. Qc2 {[%emt 0:00:27]} a6 {[%emt 0:00:12]} 10. Nc3 {[%emt 0:00:17]} Rb8 {[%emt 0:00:07]} 11. b3 {[%emt 0:00:27]} b5 {[%emt 0:00:10]} 12. Bb2 {[%emt 0:00:11]} e5 {[%emt 0:00:04]} 13. Rab1 {[%emt 0:21:20]} h5 {[%emt 0:01:15]} 14. h3 {[%emt 0:00:48]} Bh6 {[%emt 0:10:25]} 15. e3 {[%emt 0:00:38]} Nh7 {[%emt 0:19:19]} 16. f4 {[%emt 0:03:08]} f5 {[%emt 0:12:06]} 17. Nd1 {[%emt 0:02:00]} e4 {[%emt 0:03:31]} 18. Nf2 {[%emt 0:03:53]} Nf6 {[%emt 0:04:12]} 19. Rfe1 {[%emt 0:18:14]} Bg7 {[%emt 0:09:50]} 20. Bf1 {[%emt 0:00:29]} Qe7 {[%emt 0:05:23]} 21. Be2 {[%emt 0:01:22]} Bd7 {[%emt 0:06:54]} 22. Kg2 {[%emt 0:01:51]} Rbe8 {[%emt 0:13:05]} 23. Rh1 {[%emt 0:01:18]} Kf7 {[%emt 0:03:15]} 24. Rbg1 {[%emt 0:00:52]} Rh8 {[%emt 0:01:25]} 25. Kf1 {[%emt 0:00:27]} Nb7 {[%emt 0:01:28]} 26. Rg2 {[%emt 0:04:34]} Reg8 {[%emt 0:02:02]} 27. Rhg1 {[%emt 0:00:12]} Ne8 {[%emt 0:01:34]} 28. g4 {[%emt 0:00:37]} hxg4 {[%emt 0:00:54]} 29. hxg4 {[%emt 0:00:05]} Bxb2 {[%emt 0:00:24]} 30. Qxb2 {[%emt 0:00:02]} Qf6 {[%emt 0:00:34]} 31. Qc1 {[%emt 0:01:34]} b4 {[%emt 0:01:26]} 32. Rg3 {[%emt 0:06:14]} Qc3 {[%emt 0:00:59]} 33. Kg2 {[%emt 0:07:52]} Qxc1 {[%emt 0:00:05]} 34. Rxc1 {[%emt 0:00:01]} Rh4 {[%emt 0:01:10]} 35. gxf5 {[%emt 0:02:10]} gxf5 {[%emt 0:00:08]} 36. Rxg8 {[%emt 0:01:23]} Kxg8 {[%emt 0:00:05]} 37. Kg3 {[%emt 0:01:48]} Rh6 {[%emt 0:00:29]} 38. Nh3 {[%emt 0:00:51]} Nd8 {[%emt 0:01:18]} 39. Rg1 {[%emt 0:00:52]} Nf7 {[%emt 0:01:05]} 40. Kf2+ {[%emt 0:00:00]} Kf8 {[%emt 0:00:00]} 41. Rg3 {[%emt 0:03:53]} Nf6 {[%emt 0:06:25]} 42. Kg2 {[%emt 0:00:51]} Rh8 {[%emt 0:05:57]} 43. Nf1 {[%emt 0:01:23]} Nh6 {[%emt 0:01:43]} 44. Rg5 {[%emt 0:05:23]} Nf7 {[%emt 0:03:08]} 45. Rg6 {[%emt 0:00:48]} Rg8 {[%emt 0:00:04]} 46. Rxg8+ {[%emt 0:00:32]} Kxg8 {[%emt 0:00:08]} 47. Ng3 {[%emt 0:00:22]} Nh6 {[%emt 0:05:46]} 48. Nf2 {[%emt 0:00:08]} Be8 {[%emt 0:03:51]} 49. Kh3 {[%emt 0:00:34]} Kg7 {[%emt 0:03:32]} 50. Kh4 {[%emt 0:00:10]} a5 {[%emt 0:00:19]} 51. Bf1 {[%emt 0:02:34]} a4 {[%emt 0:02:38]} 52. Be2 {[%emt 0:02:18]} a3 {[%emt 0:01:58]} 53. Nh5+ {[%emt 0:01:08]} Kg6 {[%emt 0:01:27]} 54. Nxf6 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.09"]
[Round "4.35"]
[White "Scheckenbach, Franz"]
[Black "Koganov, Mikhail"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "2101"]
[BlackElo "2085"]
[Annotator "ChessBase"]
[PlyCount "53"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} d6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:02]} e5 {[%emt 0:00:00]} 4. Nf3 {[%emt 0:00:42]} Nbd7 {[%emt 0:00:00]} 5. Bc4 {[%emt 0:00:32]} Be7 {[%emt 0:00:02]} 6. a4 {[%emt 0:00:20]} a5 {[%emt 0:00:11]} 7. O-O {[%emt 0:00:43]} c6 {[%emt 0:01:01]} 8. h3 {[%emt 0:07:59]} Qc7 {[%emt 0:01:15]} 9. Bg5 {[%emt 0:04:16]} Nf8 {[%emt 0:08:15]} 10. Qd2 {[%emt 0:07:20]} h6 {[%emt 0:01:14]} 11. Be3 {[%emt 0:04:18]} g5 {[%emt 0:00:51]} 12. Nh2 {[%emt 0:06:40]} Ng6 {[%emt 0:01:16]} 13. Be2 {[%emt 0:04:02]} Nf4 {[%emt 0:02:55]} 14. Ng4 {[%emt 0:04:13]} h5 {[%emt 0:02:24]} 15. Nxf6+ {[%emt 0:02:31]} Bxf6 {[%emt 0:00:10]} 16. Rad1 {[%emt 0:10:40]} Qe7 {[%emt 0:11:31]} 17. dxe5 {[%emt 0:06:39]} Bxe5 {[%emt 0:09:37]} 18. Rfe1 {[%emt 0:09:30]} Rg8 {[%emt 0:13:36]} 19. Bf1 {[%emt 0:01:46]} Be6 {[%emt 0:04:12]} 20. Bd4 {[%emt 0:01:34]} g4 {[%emt 0:00:41]} 21. Bxe5 {[%emt 0:03:17]} dxe5 {[%emt 0:00:26]} 22. h4 {[%emt 0:13:56]} g3 {[%emt 0:01:27]} 23. Ne2 {[%emt 0:05:33]} gxf2+ {[%emt 0:00:54]} 24. Kxf2 {[%emt 0:00:10]} Qxh4+ {[%emt 0:00:33]} 25. g3 {[%emt 0:02:42]} Qh2+ {[%emt 0:01:26]} 26. Kf3 {[%emt 0:00:20]} Nxe2 {[%emt 0:00:26]} 27. Ra1 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.09"]
[Round "4.36"]
[White "Leverett, Bruce"]
[Black "Arndt, Olaf"]
[Result "1-0"]
[ECO "A81"]
[WhiteElo "2264"]
[BlackElo "1887"]
[Annotator "ChessBase"]
[PlyCount "57"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:13]} f5 {[%emt 0:00:00]} 2. g3 {[%emt 0:00:13]} Nf6 {[%emt 0:00:02]} 3. Bg2 {[%emt 0:00:07]} e6 {[%emt 0:00:37]} 4. Nf3 {[%emt 0:00:16]} d5 {[%emt 0:00:13]} 5. O-O {[%emt 0:00:16]} Bd6 {[%emt 0:00:15]} 6. c4 {[%emt 0:03:20]} c6 {[%emt 0:03:07]} 7. b3 {[%emt 0:02:24]} O-O {[%emt 0:00:28]} 8. Bb2 {[%emt 0:01:09]} Bd7 {[%emt 0:08:25]} 9. Nbd2 {[%emt 0:05:28]} Be8 {[%emt 0:02:01]} 10. Ne5 {[%emt 0:02:54]} Bh5 {[%emt 0:01:50]} 11. Ndf3 {[%emt 0:01:56]} Nbd7 {[%emt 0:02:17]} 12. Nd3 {[%emt 0:02:17]} Qe7 {[%emt 0:10:07]} 13. a4 {[%emt 0:09:17]} a5 {[%emt 0:03:56]} 14. Qc1 {[%emt 0:02:17]} Ne4 {[%emt 0:02:49]} 15. Ba3 {[%emt 0:02:34]} Bxa3 {[%emt 0:01:15]} 16. Qxa3 {[%emt 0:01:02]} Qxa3 {[%emt 0:00:42]} 17. Rxa3 {[%emt 0:00:06]} Bxf3 {[%emt 0:01:34]} 18. exf3 {[%emt 0:00:21]} Nd2 {[%emt 0:07:16]} 19. Rc1 {[%emt 0:04:04]} dxc4 {[%emt 0:01:49]} 20. bxc4 {[%emt 0:00:11]} Nb6 {[%emt 0:00:53]} 21. Ne5 {[%emt 0:00:25]} Rfd8 {[%emt 0:03:00]} 22. Rd3 {[%emt 0:00:11]} Rxd4 {[%emt 0:01:02]} 23. Rxd4 {[%emt 0:00:11]} Nb3 {[%emt 0:00:04]} 24. Rb1 {[%emt 0:03:14]} Nxd4 {[%emt 0:01:38]} 25. Rxb6 {[%emt 0:00:07]} Ne2+ {[%emt 0:01:43]} 26. Kf1 {[%emt 0:00:13]} Nc3 {[%emt 0:00:03]} 27. Rxb7 {[%emt 0:00:58]} Nxa4 {[%emt 0:00:08]} 28. Nxc6 {[%emt 0:00:53]} Nc5 {[%emt 0:01:11]} 29. Rb5 {[%emt 0:01:51]} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.09"]
[Round "4.37"]
[White "Bryson, Douglas M"]
[Black "Jhunjhnuwala, Krishan"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "2334"]
[BlackElo "2341"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 28,51,0,0,0,0,0,0,0,0,0,0,143,126,311,311,695,713,718,711,653,0,369,0,650,0]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 f5 11. Bxb5 axb5 12. Nxb5 Ra4 13. Nbc7+ Kd7 14. O-O Rxe4 {[#]} 15. Qh5 $1 {[%cal Rh5f5][%mdl 576] Double Attack} Ne7 {...Kc6 is the strong threat. B33: Sicilian: Pelikan and Sveshnikov Variations.} 16. Qxf7 Kc6 17. Rfd1 Nxd5 {The position is equal.} 18. Nxd5 Qd7 19. Qh5 $1 {[#]} Qa7 $146 (19... Qg7 $11 {keeps the balance.}) ({Predecessor:} 19... Ba6 20. Qh3 Kb7 21. a4 Ka7 22. Nf6 Qc6 23. Nxe4 Qxe4 24. Re1 Qf4 25. Qc3 Qc4 {½-½ (48) Valsecchi,A (2510)-Krasenkow,M (2626) Gallipoli 2018}) 20. Rd3 $16 {[%mdl 1024] Threatens to win with Nf6. White has strong compensation.} Rc4 $2 (20... Bg7 $16) 21. Rad1 $18 Be6 $2 {[#]} (21... Qd7 22. Qe2 Rc5) 22. Qe8+ $1 Qd7 23. Qa8+ Qb7 24. Qe8+ Qd7 $1 {[%cal Rd7e8]} ({Not} 24... Bd7 $2 25. Qd8 $18) 25. Qa8+ $2 (25. Qb8 Qb7 26. Qe8+ Qd7) 25... Qb7 26. Qe8+ $2 {White took control after the opening. Accuracy: White = 86%, Black = 43%.} (26. Qa5 $18 Kd7 27. Rb3) 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.09"]
[Round "4.38"]
[White "Jhunjhnuwala, Ramesh"]
[Black "Farrell, Neil"]
[Result "1/2-1/2"]
[ECO "C05"]
[WhiteElo "2143"]
[BlackElo "2183"]
[Annotator "ChessBase"]
[PlyCount "88"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 3. Nd2 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 4. e5 {[%emt 0:00:09]} Nfd7 {[%emt 0:00:08]} 5. Ne2 {[%emt 0:00:40]} c5 {[%emt 0:02:05]} 6. c3 {[%emt 0:00:15]} Nc6 {[%emt 0:01:05]} 7. f4 {[%emt 0:01:10]} Qb6 {[%emt 0:01:47]} 8. Nf3 {[%emt 0:00:57]} f6 {[%emt 0:02:18]} 9. g3 {[%emt 0:05:02]} cxd4 {[%emt 0:09:06]} 10. cxd4 {[%emt 0:00:38]} Be7 {[%emt 0:04:02]} 11. Bh3 {[%emt 0:02:16]} O-O {[%emt 0:00:36]} 12. Bxe6+ {[%emt 0:13:00]} Kh8 {[%emt 0:00:06]} 13. exf6 {[%emt 0:09:00]} Nxf6 {[%emt 0:01:24]} 14. Bxc8 {[%emt 0:02:59]} Raxc8 {[%emt 0:00:15]} 15. O-O {[%emt 0:00:49]} Nb4 {[%emt 0:23:03]} 16. Nc3 {[%emt 0:13:09]} Bd6 {[%emt 0:21:25]} 17. a3 {[%emt 0:27:31]} Nc6 {[%emt 0:00:52]} 18. Qd3 {[%emt 0:00:40]} Rce8 {[%emt 0:08:37]} 19. Kg2 {[%emt 0:00:44]} Qb3 {[%emt 0:03:26]} 20. Qb5 {[%emt 0:02:59]} Qxb5 {[%emt 0:05:47]} 21. Nxb5 {[%emt 0:00:04]} Bb8 {[%emt 0:00:08]} 22. Nc3 {[%emt 0:00:44]} a6 {[%emt 0:00:31]} 23. h3 {[%emt 0:02:20]} Ba7 {[%emt 0:00:23]} 24. Rd1 {[%emt 0:00:09]} Re7 {[%emt 0:03:12]} 25. f5 {[%emt 0:06:41]} Rd7 {[%emt 0:06:54]} 26. Ne5 {[%emt 0:03:52]} Re7 {[%emt 0:00:12]} 27. Nxc6 {[%emt 0:00:19]} bxc6 {[%emt 0:00:08]} 28. Bg5 {[%emt 0:00:05]} Rfe8 {[%emt 0:00:47]} 29. Bxf6 {[%emt 0:02:18]} gxf6 {[%emt 0:00:03]} 30. Rd2 {[%emt 0:00:21]} Kg7 {[%emt 0:01:05]} 31. Rad1 {[%emt 0:00:31]} Kh6 {[%emt 0:00:32]} 32. Kf2 {[%emt 0:01:41]} Kg5 {[%emt 0:00:27]} 33. g4 {[%emt 0:00:52]} h5 {[%emt 0:00:54]} 34. gxh5 {[%emt 0:00:43]} Kxh5 35. Re2 {[%emt 0:00:45]} Kg5 {[%emt 0:02:08]} 36. Rxe7 {[%emt 0:00:38]} Rxe7 {[%emt 0:00:05]} 37. Ne2 {[%emt 0:00:36]} Kxf5 {[%emt 0:00:14]} 38. Kf3 {[%emt 0:00:16]} Rh7 {[%emt 0:00:29]} 39. Rc1 {[%emt 0:01:04]} Rxh3+ {[%emt 0:01:41]} 40. Kf2 {[%emt 0:00:00]} Ke4 {[%emt 0:00:00]} 41. Rxc6 {[%emt 0:03:00]} Rh2+ {[%emt 0:08:14]} 42. Ke1 {[%emt 0:12:16]} Kd3 {[%emt 0:09:57]} 43. Rc3+ {[%emt 0:00:18]} Ke4 {[%emt 0:00:08]} 44. Rc6 {[%emt 0:00:43]} Kd3 {[%emt 0:00:09]} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.09"]
[Round "4.39"]
[White "Grant, Jonathan I M"]
[Black "Jhunjhnuwala, Naresh"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "2166"]
[BlackElo "2085"]
[Annotator "ChessBase"]
[PlyCount "73"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. c4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. Nc3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:14]} 3. g3 {[%emt 0:00:00]} g6 {[%emt 0:00:18]} 4. Bg2 {[%emt 0:00:00]} Bg7 {[%emt 0:00:06]} 5. e4 {[%emt 0:00:00]} Nge7 {[%emt 0:00:16]} 6. Nge2 {[%emt 0:00:13]} d6 {[%emt 0:00:47]} 7. d3 {[%emt 0:00:10]} O-O {[%emt 0:00:23]} 8. O-O {[%emt 0:00:33]} Nd4 {[%emt 0:07:41]} 9. Nxd4 {[%emt 0:01:33]} exd4 {[%emt 0:00:07]} 10. Ne2 {[%emt 0:01:06]} c5 {[%emt 0:01:41]} 11. Rb1 {[%emt 0:02:33]} Nc6 {[%emt 0:00:59]} 12. Bd2 {[%emt 0:01:07]} a5 {[%emt 0:02:48]} 13. Nf4 {[%emt 0:03:00]} Ne5 {[%emt 0:01:55]} 14. Qc2 {[%emt 0:02:48]} Rb8 {[%emt 0:14:47]} 15. a3 {[%emt 0:03:18]} b5 {[%emt 0:01:24]} 16. cxb5 {[%emt 0:07:00]} Rxb5 {[%emt 0:00:09]} 17. b4 {[%emt 0:01:37]} axb4 {[%emt 0:04:27]} 18. axb4 {[%emt 0:00:16]} Bd7 {[%emt 0:07:35]} 19. bxc5 {[%emt 0:07:52]} dxc5 {[%emt 0:16:08]} 20. Nd5 {[%emt 0:07:50]} Re8 {[%emt 0:05:02]} 21. f4 {[%emt 0:08:21]} Ng4 {[%emt 0:02:24]} 22. Rxb5 {[%emt 0:04:15]} Bxb5 {[%emt 0:00:07]} 23. Rb1 {[%emt 0:00:41]} Ba6 {[%emt 0:07:03]} 24. Rb6 {[%emt 0:01:14]} Qc8 {[%emt 0:01:41]} 25. h3 {[%emt 0:11:40]} Nh6 {[%emt 0:03:59]} 26. f5 {[%emt 0:01:08]} Kh8 {[%emt 0:00:58]} 27. f6 {[%emt 0:05:22]} Bf8 {[%emt 0:00:13]} 28. Ne7 {[%emt 0:03:09]} Bxe7 {[%emt 0:01:17]} 29. fxe7 {[%emt 0:04:46]} Ng8 {[%emt 0:00:10]} 30. Bf4 {[%emt 0:01:50]} Rxe7 {[%emt 0:02:28]} 31. Bd6 {[%emt 0:01:36]} Re6 {[%emt 0:04:52]} 32. Qa4 {[%emt 0:01:29]} Bxd3 {[%emt 0:01:20]} 33. Qa7 {[%emt 0:02:17]} Kg7 {[%emt 0:03:13]} 34. Rb8 {[%emt 0:01:14]} Qa6 {[%emt 0:02:14]} 35. Rxg8+ {[%emt 0:00:18]} Kxg8 {[%emt 0:00:08]} 36. Qb8+ {[%emt 0:00:03]} Kg7 {[%emt 0:03:16]} 37. Bf8+ {[%emt 0:00:05]} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.09"]
[Round "4.40"]
[White "Jhunjhnuwala, Suresh"]
[Black "Burnett, Andrew"]
[Result "0-1"]
[ECO "E90"]
[WhiteElo "1864"]
[BlackElo "2138"]
[Annotator "ChessBase"]
[PlyCount "132"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:10]} Bg7 {[%emt 0:00:04]} 3. d4 {[%emt 0:00:13]} d6 {[%emt 0:00:08]} 4. c4 {[%emt 0:03:00]} Nf6 {[%emt 0:00:43]} 5. Nc3 {[%emt 0:00:45]} Bg4 {[%emt 0:01:43]} 6. Be2 {[%emt 0:00:42]} O-O {[%emt 0:04:58]} 7. h3 {[%emt 0:00:48]} Bxf3 {[%emt 0:00:17]} 8. Bxf3 {[%emt 0:00:09]} Nfd7 {[%emt 0:03:49]} 9. O-O {[%emt 0:16:32]} e5 {[%emt 0:00:26]} 10. dxe5 {[%emt 0:02:52]} dxe5 {[%emt 0:03:38]} 11. Be2 {[%emt 0:02:49]} Nc6 {[%emt 0:05:35]} 12. Rb1 {[%emt 0:05:16]} a5 {[%emt 0:02:08]} 13. Be3 {[%emt 0:05:43]} Nd4 {[%emt 0:04:11]} 14. f4 {[%emt 0:04:15]} Nxe2+ {[%emt 0:03:30]} 15. Qxe2 {[%emt 0:05:35]} exf4 {[%emt 0:00:19]} 16. Bxf4 {[%emt 0:03:30]} Ne5 {[%emt 0:02:14]} 17. Rbd1 {[%emt 0:00:34]} Qe7 {[%emt 0:00:30]} 18. Nd5 {[%emt 0:00:52]} Qc5+ {[%emt 0:00:26]} 19. Be3 {[%emt 0:00:25]} Qxc4 {[%emt 0:02:48]} 20. Qxc4 {[%emt 0:01:57]} Nxc4 {[%emt 0:00:10]} 21. Bc5 {[%emt 0:01:02]} Rfd8 {[%emt 0:03:59]} 22. b3 {[%emt 0:17:08]} Nb2 {[%emt 0:03:21]} 23. Rb1 {[%emt 0:08:07]} Nd3 {[%emt 0:02:07]} 24. Be7 {[%emt 0:07:54]} Rd7 {[%emt 0:00:57]} 25. Nf6+ {[%emt 0:00:06]} Bxf6 {[%emt 0:00:13]} 26. Bxf6 {[%emt 0:00:06]} Re8 {[%emt 0:03:25]} 27. e5 {[%emt 0:02:56]} Re6 {[%emt 0:04:44]} 28. Rbd1 {[%emt 0:02:27]} Nxe5 {[%emt 0:01:49]} 29. Rxd7 {[%emt 0:02:09]} Nxd7 {[%emt 0:00:09]} 30. Bd8 {[%emt 0:00:07]} Rc6 {[%emt 0:00:34]} 31. Rd1 {[%emt 0:00:09]} Nf8 {[%emt 0:02:23]} 32. Rd2 {[%emt 0:02:02]} Kg7 {[%emt 0:01:16]} 33. Bg5 {[%emt 0:00:50]} Ne6 {[%emt 0:00:51]} 34. Be3 {[%emt 0:00:11]} Kf8 {[%emt 0:04:42]} 35. Bf2 {[%emt 0:00:08]} Rc1+ {[%emt 0:00:47]} 36. Kh2 {[%emt 0:00:02]} Ke7 {[%emt 0:00:22]} 37. Bg3 {[%emt 0:00:58]} f6 {[%emt 0:02:21]} 38. Bf2 {[%emt 0:02:49]} b6 {[%emt 0:01:18]} 39. g4 {[%emt 0:00:12]} Nc5 {[%emt 0:01:41]} 40. Re2+ {[%emt 0:00:00]} Kd7 {[%emt 0:00:00]} 41. Kg2 {[%emt 0:04:45]} Ne6 {[%emt 0:08:32]} 42. Bg3 {[%emt 0:01:56]} Rd1 {[%emt 0:00:44]} 43. Rf2 {[%emt 0:01:23]} Ke7 {[%emt 0:01:43]} 44. Bh4 {[%emt 0:01:06]} g5 {[%emt 0:00:18]} 45. Bg3 {[%emt 0:00:08]} Rd4 {[%emt 0:06:02]} 46. Rc2 {[%emt 0:02:08]} c5 {[%emt 0:00:21]} 47. Re2 {[%emt 0:01:28]} b5 {[%emt 0:01:35]} 48. Bf2 {[%emt 0:00:23]} Rd5 {[%emt 0:00:49]} 49. Be1 {[%emt 0:01:46]} Kd7 {[%emt 0:03:47]} 50. Re3 {[%emt 0:06:59]} Nf4+ {[%emt 0:01:13]} 51. Kg3 {[%emt 0:03:56]} b4 {[%emt 0:00:31]} 52. h4 {[%emt 0:00:27]} h6 {[%emt 0:01:46]} 53. hxg5 {[%emt 0:00:09]} hxg5 {[%emt 0:00:06]} 54. Kf3 {[%emt 0:00:16]} Rd3 {[%emt 0:01:33]} 55. Rxd3+ {[%emt 0:00:39]} Nxd3 {[%emt 0:00:06]} 56. Bd2 {[%emt 0:00:11]} Ke6 {[%emt 0:00:24]} 57. Ke4 {[%emt 0:01:42]} Ne5 {[%emt 0:00:49]} 58. Be3 {[%emt 0:00:07]} c4 {[%emt 0:01:05]} 59. bxc4 {[%emt 0:03:32]} Nxc4 {[%emt 0:00:05]} 60. Bc5 {[%emt 0:02:10]} Ne5 {[%emt 0:00:49]} 61. Bb6 {[%emt 0:00:25]} a4 {[%emt 0:00:52]} 62. Bc5 {[%emt 0:00:45]} b3 {[%emt 0:00:17]} 63. axb3 {[%emt 0:00:15]} axb3 {[%emt 0:00:06]} 64. Bd4 {[%emt 0:00:28]} Nxg4 {[%emt 0:00:18]} 65. Kd3 {[%emt 0:00:26]} Kd5 {[%emt 0:00:32]} 66. Be5 Kxe5 {Kd4+} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.09"]
[Round "4.41"]
[White "Weyrich, Morten"]
[Black "Fritsche, Lutz"]
[Result "0-1"]
[ECO "A25"]
[WhiteElo "2281"]
[BlackElo "2321"]
[Annotator "RC"]
[PlyCount "86"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. c4 {[%emt 0:00:00]} g6 {[%emt 0:00:03]} 2. Nc3 {[%emt 0:00:00]} Bg7 {[%emt 0:00:18]} 3. g3 {[%emt 0:00:00]} e5 {[%emt 0:01:18]} 4. Bg2 {[%emt 0:00:10]} Nc6 {[%emt 0:00:08]} 5. e4 {[%emt 0:00:43]} d6 {[%emt 0:00:42]} 6. Nge2 {[%emt 0:00:07]} h5 {[%emt 0:02:01]} 7. h4 {[%emt 0:05:19]} Be6 {[%emt 0:03:27]} 8. d3 {[%emt 0:00:05]} Qd7 {[%emt 0:02:56]} 9. Be3 {[%emt 0:00:50]} Nh6 {[%emt 0:11:01]} 10. f3 {[%emt 0:00:25]} f5 {[%emt 0:00:17]} 11. Nd5 {[%emt 0:01:35]} Ne7 {[%emt 0:05:47]} 12. Qd2 {[%emt 0:03:14]} Nf7 {[%emt 0:06:20]} 13. O-O-O {[%emt 0:11:35]} c6 {[%emt 0:00:46]} 14. Nxe7 {[%emt 0:01:08]} Qxe7 {[%emt 0:00:11]} 15. Kb1 {[%emt 0:02:00]} O-O {[%emt 0:10:45]} 16. f4 {[%emt 0:01:42]} Rad8 {[%emt 0:02:22]} 17. Nc3 {[%emt 0:01:08]} Qc7 {[%emt 0:19:55]} 18. exf5 {[%emt 0:06:47]} Bxf5 {[%emt 0:00:35]} 19. Be4 {[%emt 0:00:07]} exf4 {[%emt 0:03:23]} 20. Bxf4 {[%emt 0:03:22]} Ne5 {[%emt 0:00:46]} 21. Bxf5 {[%emt 0:03:22]} Rxf5 {[%emt 0:00:12]} 22. Qe2 {[%emt 0:02:56]} Qf7 {[%emt 0:12:19]} 23. Rhf1 {[%emt 0:02:57]} Qd7 {[%emt 0:11:41]} 24. Ne4 {[%emt 0:09:05]} Re8 {[%emt 0:02:37]} 25. d4 {[%emt 0:11:08]} Ng4 {[%emt 0:00:34]} 26. Qg2 {[%emt 0:03:36]} d5 {[%emt 0:00:25]} 27. Nc5 {[%emt 0:01:02]} Qf7 {[%emt 0:00:20]} 28. cxd5 {[%emt 0:00:08]} cxd5 {[%emt 0:00:18]} 29. Nb3 {[%emt 0:14:42]} Re4 {[%emt 0:00:16]} 30. Rfe1 {[%emt 0:01:28]} Rfxf4 {[%emt 0:00:27]} 31. gxf4 {[%emt 0:00:15]} Ne3 {[%emt 0:00:07]} 32. Rxe3 {[%emt 0:00:45]} Rxe3 {[%emt 0:00:09]} 33. Rc1 {[%emt 0:09:04]} b6 {[%emt 0:00:15]} 34. Nd2 {[%emt 0:00:54]} Qf5+ {[%emt 0:01:32]} 35. Ka1 {[%emt 0:00:14]} Bxd4 {[%emt 0:00:54]} 36. Nf3 {[%emt 0:00:57]} Bf6 {[%emt 0:00:38]} 37. Ne5 {[%emt 0:00:25]} Bxe5 {[%emt 0:00:48]} 38. Qxd5+ {[%emt 0:00:16]} Kh7 {[%emt 0:00:10]} 39. fxe5 {[%emt 0:00:00]} Qxe5 {[%emt 0:00:00]} 40. Qd7+ {[%emt 0:00:00]} Qe7 {[%emt 0:00:00]} 41. Qc8 {[%emt 0:11:39]} Qxh4 {[%emt 0:04:02]} 42. Rc7+ {[%emt 0:01:30]} Re7 {[%emt 0:00:12]} 43. a3 {[%emt 0:00:54]} Qf6 {[%emt 0:03:18]} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.09"]
[Round "4.42"]
[White "Schulz, Klaus-Juergen"]
[Black "Jeske, Eckhard"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2331"]
[BlackElo "2158"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,62,5,27,-1,6,7,28,18,21,21,24,25,27,24,31,22,27,22,33,28,39,19,20,9,34,10,69,68,70,60,70,84,68,72,145,142,145,142,155,155,153,163,238,225,222,203,191,146,245,231,303,310,1077]} 1. Nf3 d5 2. b3 Nf6 3. Bb2 g6 4. g3 Bg7 5. Bg2 O-O 6. c4 c6 7. d3 {A11: English Opening: 1...c6.} Re8 8. Nbd2 {[%cal Bb1d2,Bd2f3,Bf3e5][%mdl 32]} Nfd7 9. Bxg7 {White has an edge.} Kxg7 10. d4 {[#]} Nf6 $146 ({Predecessor:} 10... e5 11. dxe5 Nxe5 12. Nxe5 Rxe5 13. O-O f6 14. cxd5 cxd5 15. Nf3 Re8 16. Nd4 Nc6 {1-0 (24) Schurig,W (1862)-Vogel,W (1550) Binz 2011}) 11. O-O Bf5 12. Nh4 Qd7 13. Ndf3 Bh3 14. Ne5 Qc8 15. cxd5 Bxg2 16. Kxg2 cxd5 17. Rc1 $36 {[%mdl 2048] White has the initiative.} Qd8 18. Nhf3 {White wants to play Ng5.} h6 (18... Ne4 $11) 19. Qd3 $14 {[#] Threatens to win with Nxf7!} Nbd7 20. Rc2 Rc8 21. Rfc1 Rxc2 22. Qxc2 Nxe5 ({Better is} 22... Nf8) 23. dxe5 $16 ({Don't take} 23. Nxe5 $6 Ne4 $14) 23... Ng8 24. e6 {[#] Hoping for exf7.} Qd6 25. exf7 Kxf7 26. Qc7 Qa6 (26... Qxc7 {keeps fighting.} 27. Rxc7 Rb8) 27. Rc2 Nf6 28. Ne5+ Kg7 29. Nd7 Qd6 (29... Qe6 $16 {might work better.}) 30. Nxf6 $18 Kxf6 31. Qxb7 {And now Rc6 would win.} Rh8 $2 {Accuracy: White = 90%, Black = 61%.} (31... Qe5) 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.09"]
[Round "4.43"]
[White "Jansen, Andreas"]
[Black "Wolf, Volker"]
[Result "1-0"]
[ECO "B02"]
[WhiteElo "2206"]
[BlackElo "2278"]
[Annotator "TA"]
[PlyCount "183"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,183,0,50,49,51,42,40,33,45,30,52,0,0,0,0,0,0,-9,-8,-3,0,-14,-1,0,0,0,0,0,10,0,0,-5,-7,-22,15,11,30,3,55,-6,0,0,0,0,0,0,0,0,0,-5,14,13,56,13,14,-16,-18,-13,-6,-32,-37,-39,-32,-54,-53,-54,-32,-54,-54,-50,0,0,0,-47,-20,-39,-30,-25,0,-16,0,-15,0,0,179,-14,0,-15,157,150,150,150,162,121,121,121,121,121,121,121,121,121,121,121,121,121,121,98,127,127,127,127,272,227,293,291,291,266,206,0,0,-243,-228,-222,-231,-239,0,0,0,0,500,0,0,0,8,20,45,46,595,600,516,350,636,621,3291,2647,5189,6046,29983,29984,29984,29985,29985,29986,29986,29971,29971,29972,29975,29976,29974,29975,29981,29976,29974,29975,29981,29975,29974,29973,29985,29986,29986,29987,29995,29996]} 1. e4 Nf6 2. e5 Nd5 3. Bc4 Nb6 4. Bb3 d5 5. d4 e6 6. Nf3 {B02: Alekhine's Defence: Chase Variation and lines with early Nc3.} c5 7. c3 Nc6 8. O-O {White is slightly better.} Bd7 9. a3 {[#]} a5 $146 ({Predecessor:} 9... Rc8 10. Bc2 a5 11. Re1 Qc7 12. Be3 cxd4 13. Bxd4 Be7 14. Nbd2 g5 15. h3 h5 {½-½ (76) Petruccioli,A (2114)-Collutiis,D (2271) Turin 2000}) 10. Be3 (10. dxc5 $14 Bxc5 11. a4) 10... cxd4 $11 11. cxd4 a4 12. Ba2 Na5 13. Nbd2 Bb5 14. Re1 Be7 15. Rc1 Rc8 16. Rxc8 Qxc8 17. Bb1 h6 18. h3 Nac4 19. Nxc4 $1 Nxc4 20. Qc2 Qc6 21. Bd2 Qa6 22. Bc3 Bc6 23. Nd2 Kd7 ({Black should play} 23... b5 $11) 24. f4 ({White should try} 24. Qd1 $14) 24... g6 25. Nf3 Qb6 26. Ba2 Qa7 27. Kh2 Qa8 28. Qe2 Bb5 29. Qc2 Nb6 30. Qd2 Bc4 31. Bb1 Bb5 32. g4 h5 33. g5 Nc4 34. Qc2 Rc8 35. Nd2 Qa6 36. Nxc4 Bxc4 37. Qd2 Qb5 38. h4 Rc6 39. Bc2 Bb3 40. Bd3 Bc4 41. Bc2 $1 Ra6 42. Re3 Bd8 43. Qd1 Ra8 44. Bb4 {next f5! is good for White.} Bb6 45. Bc3 Qa6 46. Qb1 Rg8 $2 {[#]} (46... Bd8 $11 {and Black has nothing to worry.}) 47. Qd1 $2 (47. f5 $1 $18 {[%mdl 512]}) 47... Bb5 48. Qf3 {aiming for f5!} Qa8 $2 {[#]} (48... Kc8 $11) 49. f5 $1 $16 {[%mdl 512]} Qe8 (49... exf5 50. Qxd5+) 50. fxe6+ fxe6 51. Qd1 Rf8 52. Rf3 Rxf3 53. Qxf3 {And now Qf6 would win.} Bd8 54. Bb4 Kc8 55. Bd6 b6 56. Kg3 Kb7 57. Bf8 Ka6 58. Bg7 Be7 59. Bf6 Bf8 60. Qd1 $1 Kb7 (60... Qf7 $16 {is a better defense.} 61. Kf4 (61. Bxa4 Bxa4 62. Qxa4+ Kb7 $16) 61... Kb7) 61. Qb1 $18 Qc8 62. Bxg6 Qc4 63. Qd1 (63. Bxh5 Qxd4 64. Bf3 Bd3 $11) 63... Qa2 64. Bxh5 $2 (64. Qc2 $18) 64... Qxb2 $11 65. g6 $2 (65. Qf3 $1 $11) 65... Qxa3+ $19 66. Bf3 Qc3 {...a3 is the strong threat.} 67. Be7 {[#]} Bh6 $2 ({Stronger than} 67... Bxe7 68. g7 $11) (67... Bg7 $1 $19 {Threatens to win with ...a3.} 68. h5 a3 69. Bxa3 Qxa3) 68. Bg5 $36 {[%mdl 2048] White is pushing.} Bf8 69. Qd2 Qb3 $2 {[%mdl 8192]} (69... Qxd2 $11 {and Black stays safe.} 70. Bxd2 a3) 70. Be7 $2 ({Only move:} 70. Qf4 $18 Qb4 71. Qf7+ {[%mdl 64] Double Attack} Ka6 72. Qxe6) 70... Bg7 $1 (70... Bxe7 $2 71. g7 $18) 71. h5 {Strongly threatening h6.} a3 {[#]} 72. Bxa3 $1 {[%mdl 512]} Qxa3 73. h6 Qf8 $2 {[%mdl 8192] White leaves nothing to chance now.} ({Better is} 73... Be2 $1 $14 74. Qxe2 Bxh6) 74. hxg7 $18 Qxg7 75. Qg5 {Black must now prevent Qf6.} Be8 $2 (75... Bd3 76. Bh5 Bf5) 76. Bh5 b5 77. Qf6 Qg8 78. Qe7+ Kb8 79. Qh7 {White mates.} Qf8 80. g7 Qa3+ 81. Bf3 Bf7 82. g8=Q+ Bxg8 83. Qxg8+ {[%mdl 64] Double Attack} Kc7 84. Qxe6 Qe3 85. Qd6+ Kc8 86. Qc6+ Kb8 87. Qxb5+ Kc8 88. Qc6+ Kb8 89. Qb6+ Kc8 90. Kg4 Qg1+ 91. Kf5 Qb1+ 92. Qxb1 {Accuracy: White = 82%, Black = 66%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.09"]
[Round "4.44"]
[White "Polster, Wolfgang"]
[Black "Moritz, Hartmut"]
[Result "1-0"]
[ECO "C05"]
[WhiteElo "2201"]
[BlackElo "2088"]
[Annotator "TA"]
[PlyCount "137"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,137,7,38,0,0,-8,6,-5,-11,0,0,-11,-14,-38,-14,-49,-8,-12,-2,-60,-50,-54,-51,-39,0,-126,-26,-49,-49,-49,-51,-93,-60,-55,-58,-61,-69,-115,-77,-89,-75,-174,-164,-171,-174,-174,0,0,0,-159,-159,-158,-164,-209,-174,-172,-165,-173,-172,-170,-137,-127,-104,-104,-104,-127,0,-119,0,-157,-112,-112,-112,-112,-60,-67,-18,-53,-22,-43,-11,-52,-22,-81,-56,-92,-84,-144,-143,-150,-131,-116,-108,-142,-109,-106,-119,-139,-76,-81,-81,-115,0,-93,0,-115,764,732,995,979,1471,1489,2063,2020,2041,1965,1931,1863,2903,2529,2947,2807,5624,3577,3475,2260]} 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 Qa5 8. a3 {C05: French Tarrasch: 3...Nf6 4 e5 Nfd7, 5 f4 and 5 Bd3 sidelines.} cxd4 9. b4 Qd8 10. cxd4 {The position is equal.} Nb6 {[#]} 11. Ne2 $146 ({Predecessor:} 11. Bd3 Bd7 12. Ne2 Rc8 13. O-O g6 14. g4 Ne7 15. Ng3 Bg7 16. f5 exf5 17. gxf5 Nxf5 18. Bxf5 Bxf5 19. Nxf5 gxf5 {1-0 (34) Rehorek,M (2329)-Prandstetter,E (2343) Czechia 2009}) 11... Bd7 12. Nc3 Rc8 13. Qd3 a6 14. Kf2 f5 15. Be2 Na7 16. Ng5 ({Better is} 16. Bd2 $11) 16... Be7 17. Qh3 Bxg5 18. fxg5 g6 19. Bd2 (19. Bf4 $11) 19... Nb5 (19... Nc6 $1 $17 20. Qh6 Kf7) 20. Nxb5 Bxb5 21. Rhc1 Bxe2 22. Kxe2 Rxc1 23. Rxc1 Nc4 24. Bf4 O-O 25. Rc2 Qb6 26. Qd3 Qb5 (26... Rc8 {looks sharper.} 27. Rc1 Qb5 28. Kf2 Qa4 29. Rc3 Qd7) 27. g3 {[#]} (27. Rc3 $17) 27... Nxa3 $1 $19 28. Qxb5 Nxb5 {[%mdl 4096] Endgame KRB-KRN} 29. Kd3 Rf7 $2 (29... Kf7 $19 30. Bc1 Ke7) 30. Rc8+ $1 $11 Rf8 31. Rc5 $2 ({Only move:} 31. Rc2 $1 $11) 31... Kf7 $17 32. h4 Ke7 33. h5 Kd7 34. Rc1 gxh5 35. Rh1 Rf7 36. Rxh5 Rg7 37. Rh6 Nc7 38. Kc3 Kc6 39. Kb3 Kd7 40. Kc3 $1 Nb5+ 41. Kd3 Na7 42. Be3 Nc6 43. Kc3 Ne7 (43... Re7 $17) 44. Kb3 $15 Ng6 45. Rh1 Kc7 46. Rc1+ Kd8 47. Rh1 (47. b5 $5) 47... Rc7 48. Rh2 (48. b5 $11 {keeps the balance.}) 48... Ke8 $17 49. Rh1 Kf8 50. Rh2 (50. b5 $142) 50... Kg7 51. Rh1 Rc6 52. Rh2 Nf8 53. Rh1 Nd7 54. Rh6 Nb6 55. Bf4 Nc4 (55... Nc8 $142 56. b5 Rb6) 56. Rh2 Rb6 {...a5 is the strong threat.} 57. Ka4 {[#]} Rb5 ({Black should play} 57... Kg8 $1 $17 58. Bc1 Rc6) 58. Rc2 (58. Rh6 $11) 58... Rb6 59. Rh2 a5 $2 {[%mdl 8192] This costs Black the game.} (59... Kg8 $17 60. g6 hxg6) 60. b5 $18 {White is clearly winning.} Kg6 61. Bc1 Kg7 62. Rc2 Nd6 63. exd6 Rxd6 {KRB-KR} 64. Rc7+ {[%mdl 64] Double Attack} Kg6 65. Rxb7 Rd8 66. b6 {[%cal Bb5b6,Bb6b7][%mdl 32]} e5 67. Rc7 f4 68. gxf4 exd4 69. b7 {Accuracy: White = 67%, Black = 49%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.09"]
[Round "4.45"]
[White "Svanda, Pavel"]
[Black "Denk, Adolf"]
[Result "1/2-1/2"]
[ECO "B50"]
[WhiteElo "2074"]
[BlackElo "2224"]
[Annotator "ChessBase"]
[PlyCount "58"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} d6 {[%emt 0:00:03]} 3. Bc4 {[%emt 0:00:32]} Nf6 {[%emt 0:00:47]} 4. d3 {[%emt 0:00:10]} e6 {[%emt 0:00:32]} 5. O-O {[%emt 0:00:11]} Be7 {[%emt 0:00:06]} 6. Re1 {[%emt 0:00:39]} Nc6 {[%emt 0:01:23]} 7. c3 {[%emt 0:00:19]} O-O {[%emt 0:02:17]} 8. Bb3 {[%emt 0:00:09]} e5 {[%emt 0:12:52]} 9. Nbd2 {[%emt 0:02:23]} Rb8 {[%emt 0:01:07]} 10. Nf1 {[%emt 0:01:00]} Be6 {[%emt 0:11:09]} 11. Bc2 {[%emt 0:05:25]} Qc7 {[%emt 0:03:47]} 12. Qe2 {[%emt 0:06:52]} b5 {[%emt 0:02:10]} 13. Ng5 {[%emt 0:08:18]} Bg4 {[%emt 0:29:32]} 14. f3 {[%emt 0:00:35]} Bd7 {[%emt 0:00:17]} 15. f4 {[%emt 0:00:31]} exf4 {[%emt 0:00:45]} 16. Bxf4 {[%emt 0:01:21]} Ne5 {[%emt 0:01:07]} 17. Ne3 {[%emt 0:05:39]} h6 {[%emt 0:06:07]} 18. Nf3 {[%emt 0:02:52]} Be6 {[%emt 0:05:53]} 19. h3 {[%emt 0:33:58]} Rfe8 {[%emt 0:01:26]} 20. Bg3 {[%emt 0:00:36]} b4 {[%emt 0:04:31]} 21. Nxe5 {[%emt 0:00:25]} dxe5 {[%emt 0:00:01]} 22. d4 {[%emt 0:00:21]} cxd4 {[%emt 0:02:18]} 23. cxd4 {[%emt 0:00:11]} Bd6 {[%emt 0:00:13]} 24. d5 {[%emt 0:00:29]} Bd7 {[%emt 0:00:08]} 25. Kh1 {[%emt 0:00:56]} Bb5 {[%emt 0:03:09]} 26. Qf3 {[%emt 0:00:57]} Bf8 {[%emt 0:01:35]} 27. Rac1 {[%emt 0:00:18]} Qd7 {[%emt 0:01:00]} 28. Bh4 {[%emt 0:00:45]} Nh7 {[%emt 0:00:18]} 29. Bb1 {[%emt 0:09:53]} Rbc8 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.09"]
[Round "4.46"]
[White "Druckenthaner, Andreas"]
[Black "Miculka, Petr"]
[Result "1-0"]
[ECO "B25"]
[WhiteElo "2277"]
[BlackElo "2040"]
[Annotator "ChessBase"]
[PlyCount "65"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nh3 e6 7. Be3 Nd4 8. O-O Ne7 9. Qd2 O-O 10. Bh6 b5 11. Bxg7 Kxg7 12. f4 Rb8 13. Ne2 Nxe2+ 14. Qxe2 Qb6 15. g4 f6 16. Kh1 Bb7 17. Rf2 Rbc8 18. Raf1 c4 19. f5 cxd3 20. cxd3 exf5 21. Nf4 Kh8 22. gxf5 g5 23. Ne6 Rg8 24. Qh5 Rg7 25. d4 Nc6 26. Nxg7 Kxg7 27. h4 Qxd4 28. hxg5 Ne5 29. Qh6+ Kg8 30. gxf6 Rc7 31. Bf3 Bxe4 32. Rg2+ Ng6 33. Bxe4 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.09"]
[Round "4.47"]
[White "Tesar, Jan"]
[Black "Ernst, Michael"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2008"]
[BlackElo "2155"]
[Annotator "ChessBase"]
[PlyCount "56"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 d5 2. Nf3 Bf5 3. g3 Nf6 4. Bg2 h6 5. O-O e6 6. c4 c6 7. b3 Nbd7 8. Bb2 Be7 9. Nbd2 O-O 10. Ne5 a5 11. a3 Ne4 12. Nxe4 Bxe4 13. Bxe4 dxe4 14. Nxd7 Qxd7 15. Qc2 f5 16. Rad1 Bf6 17. e3 Rfd8 18. Rd2 Qe7 19. Rfd1 Kh8 20. Bc3 Qxa3 21. Ra1 Qe7 22. Bxa5 b6 23. Bc3 Rxa1+ 24. Bxa1 Rd7 25. Bc3 Qd8 26. Qd1 Kh7 27. Qa1 Kg8 28. Ra2 Qc7 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.09"]
[Round "4.48"]
[White "Gattermayer, Robert"]
[Black "Bradac, Roman"]
[Result "1/2-1/2"]
[ECO "B26"]
[WhiteElo "1979"]
[BlackElo "1974"]
[Annotator "ChessBase"]
[PlyCount "44"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 c5 2. Nc3 {[%emt 0:00:00]} g6 {[%emt 0:00:45]} 3. d3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:43]} 4. Be3 d6 5. g3 {[%emt 0:00:35]} Bg7 {[%emt 0:01:26]} 6. Bg2 {[%emt 0:00:10]} Nf6 {[%emt 0:02:09]} 7. h3 {[%emt 0:00:50]} Nd4 {[%emt 0:04:45]} 8. Nce2 {[%emt 0:01:07]} e5 {[%emt 0:01:46]} 9. c3 {[%emt 0:00:07]} Nc6 {[%emt 0:01:23]} 10. Qd2 {[%emt 0:00:19]} O-O {[%emt 0:01:11]} 11. Bh6 {[%emt 0:00:10]} d5 {[%emt 0:09:08]} 12. Bxg7 {[%emt 0:03:26]} Kxg7 {[%emt 0:00:07]} 13. exd5 {[%emt 0:02:23]} Nxd5 {[%emt 0:00:11]} 14. Nf3 {[%emt 0:00:19]} Re8 {[%emt 0:04:02]} 15. O-O {[%emt 0:00:11]} f6 {[%emt 0:02:20]} 16. Rad1 {[%emt 0:01:19]} Be6 {[%emt 0:03:11]} 17. Rfe1 {[%emt 0:00:43]} Qa5 {[%emt 0:06:01]} 18. Nc1 {[%emt 0:03:03]} Rad8 {[%emt 0:04:04]} 19. Nb3 {[%emt 0:01:32]} Qb6 {[%emt 0:01:08]} 20. Qc2 {[%emt 0:01:42]} Nde7 {[%emt 0:09:00]} 21. Kh1 {[%emt 0:02:12]} Bf5 {[%emt 0:01:55]} 22. Nh4 {[%emt 0:00:28]} Be6 {[%emt 0:05:11]} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.10"]
[Round "5.1"]
[White "Kaidanov, Gregory"]
[Black "Hracek, Zbynek"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2546"]
[BlackElo "2572"]
[Annotator "TA"]
[PlyCount "123"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,123,7,16,15,37,24,59,62,79,71,65,79,70,75,64,50,88,72,103,114,160,160,155,162,167,161,167,164,166,168,168,163,163,160,162,158,158,159,145,139,183,179,176,156,187,174,237,237,266,266,266,263,259,235,224,233,260,256,270,228,206,191,251,175,174,156,157,160,154,147,148,154,470,462,471,475,468,456,444,422,460,477,535,457,597,601,593,595,593,578,593,586,579,572,570,570,550,541,771,650,964,945,12837,12836]} 1. Nf3 c5 2. c4 Nf6 3. g3 b6 4. Bg2 Bb7 5. O-O e6 6. Nc3 Be7 7. Re1 d5 8. cxd5 Nxd5 9. e4 Nb4 10. d4 cxd4 11. Nxd4 N8c6 12. Nxc6 {A30: Symmetrical English: Double Fianchetto and Hedgehog.} Nxc6 13. Bf4 O-O 14. e5 {White is slightly better.} Na5 15. Bxb7 Nxb7 16. Qg4 {Hoping for Rad1.} Kh8 17. Red1 $36 {[%mdl 2048] White is in control.} Qe8 {[#]} 18. Qe2 $5 $146 {[%mdl 8] New and interesting.} ({Predecessor:} 18. Qf3 Nc5 19. b4 Na4 20. Ne4 Bxb4 21. Bh6 f5 22. Bxg7+ Kxg7 23. Nf6 Rxf6 24. exf6+ Kxf6 {0-1 (42) Kievelitz,B-Ruemmele,M Germany 1991}) 18... Qc6 19. Nb5 Rfd8 20. Rxd8+ Bxd8 21. Rc1 Qd5 22. Rd1 Qc6 23. Nd4 Qd7 24. Qf3 Qd5 25. Qxd5 exd5 26. Nb5 Kg8 27. Rxd5 a6 28. Nd6 Nxd6 29. Rxd6 $16 {[%mdl 4096] Endgame KRB-KRB} Kf8 30. Be3 b5 31. f4 Ke8 32. Kf1 h5 33. Ke2 g6 (33... Bc7 {keeps fighting.}) 34. h3 $18 Be7 35. Rb6 Bd8 36. Rc6 Be7 37. Bb6 Kd7 38. Rc7+ Ke6 39. Ke3 a5 40. Ke4 f5+ 41. Ke3 h4 (41... g5 $142 42. Bc5 Bd8) 42. gxh4 Rh8 43. Rc6+ ({Much less strong is} 43. Bxa5 Rxh4 44. Rc6+ Kd5 $16) 43... Kd5 44. Rxg6 Rxh4 45. Rg3 a4 46. Kf3 Bb4 $2 {[#]} (46... Rh6 $16 {is a better chance.}) 47. Bd8 {White is clearly winning.} Rh8 48. Bf6 Rc8 49. h4 Rc1 50. Rg2 Rf1+ 51. Rf2 Rg1 52. Re2 Be1 {[%csl Ge1][%cal Rg1g3] [#]} 53. Re3 Ke6 54. h5 Bb4 55. h6 Rh1 56. Bg7 Rh3+ 57. Ke2 Rh4 58. Rd3 Be7 59. Rd1 b4 60. b3 a3 61. Kf3 Kf7 62. Rd7 {White took control after the opening. Accuracy: White = 96%, Black = 55%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.10"]
[Round "5.2"]
[White "Haba, Petr"]
[Black "Benjamin, Joel"]
[Result "1/2-1/2"]
[ECO "C47"]
[WhiteElo "2470"]
[BlackElo "2508"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,92,14,25,26,35,26,28,52,8,6,12,10,0,0,0,0,0,0,0,6,-20,19,19,20,0,0,0,0,0,0,0,0,-20,0,-8,-18,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-11,0]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 O-O 8. O-O Re8 9. Bg5 Qe7 {C47: Scotch Four Knights and Four Knights with 4 g3.} 10. Qf3 Bxc3 11. bxc3 d6 {White has an edge.} 12. Bxf6 Qxf6 {The position is equal.} 13. Qxf6 gxf6 14. Rfb1 {[#]} Re5 $146 ({Predecessor:} 14... a5 15. a4 Re5 16. f3 f5 17. f4 Rc5 18. exf5 Bxf5 19. Ra3 Kg7 {0-1 (71) Hoffmann,H (1901)-Hebel,E (1997) GER email 2017}) 15. Rb3 Ra5 16. f4 Kf8 17. Kf2 Ke7 18. Ke3 Ba6 19. a4 Bc8 20. Rab1 Rxa4 21. Rb8 Rxb8 22. Rxb8 Ba6 23. Bxa6 Rxa6 $11 {[%mdl 4096] Endgame KR-KR} 24. Rh8 Ra2 25. Kd3 Ra1 26. Rxh7 Rd1+ 27. Ke3 Rc1 28. Kd3 Rd1+ 29. Ke3 Rg1 30. g3 Rg2 31. Kd3 a5 32. Rh8 a4 33. c4 a3 34. f5 a2 35. Ra8 Rxh2 36. Rxa2 Rg2 37. Ra8 Rxg3+ 38. Kd2 Rg2+ 39. Kd3 Rg3+ 40. Kd2 Rg4 41. Kd3 c5 42. Rc8 Kd7 43. Rf8 Rg7 44. Kd2 Rh7 45. Kd3 Ke7 46. Rc8 Kd7 {Accuracy: White = 94%, Black = 97%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.10"]
[Round "5.3"]
[White "Novikov, Igor"]
[Black "Velicka, Petr"]
[Result "1/2-1/2"]
[ECO "D43"]
[WhiteElo "2551"]
[BlackElo "2425"]
[Annotator "TA"]
[PlyCount "110"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,110,29,9,14,-21,13,10,22,33,23,19,37,34,31,34,25,29,35,37,37,29,37,27,27,27,29,27,35,27,27,22,27,27,27,27,28,27,27,27,28,27,27,27,35,31,31,31,27,25,28,27,27,22,28,28,28,28,27,27,38,35,35,35,35,35,35,35,35,35,35,35,35,35,35,35,35,35,35,35,35,35,35,35,35,35,35,35,35,35,35,35,35]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 Nbd7 6. cxd5 exd5 7. e3 Bd6 8. Qc2 O-O 9. Bd3 h6 10. Bh4 Re8 11. O-O-O Qa5 {D36: Queen's Gambit Declined: Exchange Variation: Main line (5 Bg5 c6 6 Qc2).} 12. Kb1 Bb4 (12... Ne4 $5) 13. Nd2 Bxc3 {The position is equal.} 14. Qxc3 Qxc3 15. bxc3 Ne4 {[#]} 16. Kc2 $146 ({Predecessor:} 16. Nxe4 dxe4 17. Be2 Nb6 18. c4 Be6 19. Rc1 c5 20. Rhd1 Rac8 21. d5 Bf5 22. Rc3 {1-0 (47) Yermolinsky,A (2504)-Kaidanov,G (2544) Saint Louis 2019}) 16... Nxd2 17. Kxd2 Nb6 18. Rb1 Nc4+ 19. Bxc4 dxc4 20. f3 f5 21. h3 b6 22. g4 Rf8 23. g5 Be6 24. gxh6 gxh6 25. Be7 Rf7 26. Rhg1+ Kh7 27. Bd6 Bd5 28. Ke2 Rg7 29. Rxg7+ Kxg7 $11 {[%mdl 4096] Endgame KRB-KRB} 30. Rg1+ Kh7 31. Kf2 Bf7 32. e4 fxe4 33. fxe4 Rg8 34. Rxg8 (34. Rf1 {seems wilder.} Be6 35. h4 Bh3 36. Rh1 Bg2 37. Re1) 34... Kxg8 {KB-KB} 35. Ke3 Kg7 36. Be5+ Kf8 37. Bb8 a6 38. Kf4 Be6 39. h4 h5 40. a4 {White is slightly better.} Ke8 41. Ke5 Kd7 42. Ba7 b5 43. a5 Bg4 44. Bc5 Bf3 45. Bb4 Bg2 46. d5 cxd5 47. exd5 Bh3 48. Kd4 Kc7 49. Kc5 Bg4 50. Ba3 Bh3 51. Bc1 Bg4 52. Bf4+ Kb7 $1 53. Be5 Bh3 54. Kd6 Bg4 55. Ke7 Kc8 {Accuracy: White = 97%, Black = 97%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.10"]
[Round "5.4"]
[White "Langner, Ladislav"]
[Black "Yermolinsky, Alex"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2377"]
[BlackElo "2487"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,53,77,5,24,18,27,10,7,7,18,4,4,0,7,9,15,16,23,20,48,-27,22,0,0,0,-17,-51,-28,-70,-57,-83,-50,-56,-60,-85,-45,-143,-140,-137,-89,-132,-92,-128,0,64]} 1. e4 c5 2. c3 d6 3. d4 Nf6 4. Bd3 Nc6 5. Nf3 Bg4 {[#]} 6. Be3 (6. d5 $1 $16 {[%cal Rd5c6]} Bxf3 7. Qxf3) 6... e6 {B07: Pirc Defence: Miscellaneous Systems.} 7. Nbd2 Be7 8. h3 Bh5 9. a3 {[#]} O-O $146 ({Predecessor:} 9... Qc7 10. Rc1 h6 11. b4 b6 12. O-O O-O 13. Re1 Rfd8 14. Qc2 Qd7 15. Nh2 Rac8 {½-½ (41) Shmarin,A-Kabulov,D Dagomys 2009}) 10. b4 {[%cal Rb4c5]} cxd4 11. cxd4 Bg6 12. Qb1 Nd7 13. O-O Rc8 14. Qb3 Nb6 15. Ne1 ({White should play} 15. d5 $14 exd5 16. exd5) 15... e5 16. d5 Nd4 17. Bxd4 exd4 18. f4 {With the idea f5.} f5 19. e5 Rc3 $36 {[%mdl 2048] Black is more active.} 20. Qa2 Bf7 21. e6 Be8 $1 22. Ndf3 Bf6 23. Bxf5 (23. Rf2 $15) 23... Bb5 $17 24. Qb1 g6 ({Reject} 24... Nxd5 $6 25. Bxh7+ Kh8 26. Bd3 $11) 25. Bxg6 hxg6 26. Qxg6+ {[#]} Kh8 (26... Bg7 $1 $17 27. Ng5 Rf6 28. Qh7+ Kf8) 27. Qh6+ {Accuracy: White = 64%, Black = 64%.} (27. Qh5+ $11 Kg8 28. Qg6+ Bg7 29. Ng5) 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.10"]
[Round "5.5"]
[White "Potapov, Alexander"]
[Black "Graf, Alexander"]
[Result "1-0"]
[ECO "D46"]
[WhiteElo "2413"]
[BlackElo "2575"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,71,17,25,17,23,23,29,0,0,-6,0,0,0,0,0,-10,0,-40,-32,-14,-23,-24,60,89,67,0,93,114,114,104,233,213,243,270,262,254,474,474,474,474,818,356,344,307,306,297,281,258,273,261,29989,29990,29995,1258]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 Be7 7. O-O O-O 8. b3 b6 9. Bb2 Bb7 10. Qe2 Re8 11. Rfd1 {D46: Semi-Slav: 5 e3 Nbd7 6 Bd3, Black avoids the Meran.} Qc7 12. Rac1 Rad8 13. e4 {White has an edge.} (13. h3 {with more complications.} Qb8 14. Ne5 Nxe5 15. dxe5 Nd7 16. cxd5 cxd5 17. Bb5) 13... dxe4 14. Nxe4 c5 15. dxc5 Bxe4 16. Bxe4 Bxc5 17. h3 {[#]} e5 $146 ({Predecessor:} 17... Nxe4 18. Qxe4 e5 19. a3 a5 20. Re1 f6 21. Rcd1 Nf8 22. Rd5 Ng6 23. g3 Ne7 24. Rxd8 Rxd8 {0-1 (36) Seifert,V (2328)-Graf,A (2586) Leipzig 2008}) 18. Bd5 e4 19. Nd4 Ne5 20. Nf5 $1 h5 (20... g6 $11 21. Qd2 Nh5 22. Bxe5 Qxe5 23. Nh6+ Kf8) 21. Qd2 $1 $14 e3 22. fxe3 ({White should play} 22. Nxe3 $14 Ne4 23. Qc2 Nxf2 24. Qxf2) 22... Nxd5 (22... Neg4 $11 23. hxg4 Nxg4) 23. cxd5 $16 {Black must now prevent b4.} Qd7 24. b4 Bf8 {Loses the game.} (24... Qxf5 $16 25. bxc5 Qg5) 25. e4 $18 b5 26. Qg5 {Hoping for Bxe5.} f6 27. Qg3 $1 (27. Qxh5 g6 $11) 27... Bxb4 $2 (27... Kh7 28. Bxe5 Rxe5) 28. d6 Ba5 29. Rd5 Kh7 {[#]} (29... Bb6+ $142 30. Kh1 Kh7) 30. Bxe5 (30. Rxb5 $142 $3 {[%mdl 512]} Bb6+ {[#]} (30... Qxb5 31. Qxg7#) 31. Rxb6 $1 {[%mdl 512]} axb6 32. Rc7) 30... Rxe5 31. Rxe5 fxe5 32. Qg5 ({Less strong is} 32. Qxe5 g6 $14) 32... Qf7 33. Rc6 $40 {[%mdl 128] And now Ra6 would win. White attacks with force.} Rf8 34. g4 hxg4 $2 (34... Bb6+ $18 35. Kh1 b4 36. gxh5 Bd8) 35. Qh4+ Kg6 36. Ne7+ {Accuracy: White = 78%, Black = 54%.} (36. d7+ $142 Qf6 37. Rxf6+ Rxf6 38. Qxg4+ Kf7 39. Qxg7+ Ke6 40. Qe7#) 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.10"]
[Round "5.6"]
[White "Jussupow, Artur"]
[Black "Sergeyev, Alexander"]
[Result "1-0"]
[ECO "D16"]
[WhiteElo "2560"]
[BlackElo "2398"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,73,91,87,79,78,108,112,111,121,134,163,157,132,159,153,153,154,168,164,218,132,116,114,134,95,100,100,136,114,179,160,158,150,161,112,158,64,80,64,68,64,201,185,389,387,456,407,546,529,951,933,855,925,910,881,1247,1225,1215,1162,1139,1035]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bg4 6. Ne5 Bh5 7. f3 e6 8. g4 ({Don't play} 8. Nxc4 $6 c5 $11) 8... Nd5 {D16: Slav Defence: 5 a4: Lines with 5...Bg4 and 5...Na6.} 9. e4 Nxc3 10. bxc3 Qh4+ {White is better.} 11. Ke2 f6 12. Nxc4 ({Not} 12. gxh5 fxe5 13. Be3 Qxh5 $15) 12... Bf7 13. Bf4 h5 14. Bg3 Qg5 {[#]} 15. h4 $146 ({Predecessor:} 15. Qb3 b6 16. h4 Qg6 17. Nxb6 e5 18. d5 axb6 19. Qxb6 hxg4 20. Qb7 gxf3+ 21. Kxf3 {0-1 (38) Tennant,S-Jacobs,R USA 1977}) 15... Qg6 16. g5 e5 (16... Nd7 $142) 17. Kf2 Nd7 18. Rb1 (18. dxe5 $6 Bc5+ 19. Kg2 Bxc4 $11) 18... b6 19. Ne3 ({Reject} 19. dxe5 $6 Bc5+ 20. Ke1 Bxc4 $11) 19... fxg5 20. hxg5 Rd8 21. Bh3 h4 (21... Be6 $16) 22. Bxd7+ Rxd7 23. Bxe5 Be6 24. a5 b5 25. f4 ({White should try} 25. c4 $16) 25... Qxe4 $14 26. Qf3 Qxf3+ 27. Kxf3 a6 {Now Black is done in.} ({Black should play} 27... Bd6 $1 $14) 28. f5 $36 {[%mdl 2048] White is really pushing.} Bd5+ $2 (28... Ba2 {might work better.}) 29. Nxd5 cxd5 30. Kg4 Rd8 31. Rbe1 {[#] And now Bxg7+ would win.White is clearly winning.} Kf7 32. g6+ Kg8 33. f6 gxf6 34. Bxf6 {[%mdl 64] [#] Double Attack} Rd6 35. Bxh8 Kxh8 36. Kf5 Kg7 37. Re6 {Accuracy: White = 71%, Black = 34%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.10"]
[Round "5.7"]
[White "Goriatchkin, Jouri"]
[Black "Levin, Felix"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2310"]
[BlackElo "2480"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,47,55,53,62,78,72,56,68,47,54,0,47,52,39,37,56,26,23,23,65,68,80,67,83,80,110,110,124,118,110,86,70,70,83,-27]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 a6 6. O-O Nc6 7. e3 Rb8 {is now debated instead of 7...Bd7.} 8. Nfd2 e5 {E04: Open Catalan: 5 Nf3.} 9. Bxc6+ $1 bxc6 10. dxe5 Ng4 {White is slightly better.} 11. Nxc4 Be6 {Strongly threatening ...Qxd1.} 12. Qe2 {[#]} ({White should try} 12. Qc2 $14) 12... Bxc4 $146 (12... h5 $5 {[%cal Rh5h4]}) ({Predecessor:} 12... h5 13. Rd1 Qc8 14. Qf3 Rb6 15. Nxb6 cxb6 16. h4 Nxe5 17. Qf4 Ng6 18. Qe4 Be7 {½-½ (41) Grischuk,A (2759)-Ding,L (2811) Khanty-Mansiysk 2019}) 13. Qxc4 {[%mdl 64] [#] Double Attack} Nxe5 14. Qe4 Qd5 $1 {[%cal Rd5e4]} 15. Nc3 (15. Qxd5 {looks sharper.} cxd5 16. b3 h5 17. Bb2 Nd3 18. Bc3) 15... Qxe4 16. Nxe4 Rb4 17. Nc3 Be7 18. b3 Rb8 19. Rd1 Bf6 {White must now prevent ...Nf3+.} 20. Rb1 Nf3+ {[%mdl 64] Discovered Attack} 21. Kg2 Nxh2 22. Kxh2 {And now Ne4 would win.} Bxc3 23. Ba3 Rd8 {[#]} 24. Rxd8+ $1 {Accuracy: White = 84%, Black = 78%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.10"]
[Round "5.8"]
[White "Meister, Jakob"]
[Black "Tolstikh, Nikolay"]
[Result "1/2-1/2"]
[ECO "D31"]
[WhiteElo "2427"]
[BlackElo "2320"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,80,13,0,0,-13,-10,-7,0,0,6,-11,0,0,6,0,0,-14,-13,-18,-18,-18,-13,-14,-14,-18,-6,-6,-6,-32,-13,-14,-6,-16,0,-21,-21,-48,-21,-41,-4,-29,-26,-29,-18,-31,-20,-33,-18,-49,-39,-41,-39,-41,-28,-31,-28,-40,0,-41,-34,-66,0,-192,-36,-269,-265]} 1. c4 e6 2. Nc3 d5 3. d4 Be7 4. Nf3 Nf6 5. Bg5 h6 6. Bxf6 Bxf6 7. cxd5 exd5 8. e3 O-O 9. Qc2 Be6 {D55: Queen's Gambit Declined: 4 Bg5 Be7: Lines without ...h6 and 6...h6 7 Bxf6.} 10. Rd1 {[#]} Nc6 $146 ({Predecessor:} 10... c5 11. dxc5 Qa5 12. Bd3 Bxc3+ 13. Qxc3 Qxc3+ 14. bxc3 Rc8 15. Kd2 Nd7 16. Rb1 Nxc5 17. Nd4 {½-½ (25) Nilson,B (2174)-Hagen,T (2285) ICCF email 2010}) 11. a3 Ne7 {The position is equal.} 12. Bd3 Qc8 13. Ne2 Bf5 14. Nf4 Bxd3 15. Rxd3 c6 16. O-O Nf5 17. b4 Nd6 18. a4 a6 19. Rb3 Qd7 20. Nd3 Qf5 21. Rc1 Rfe8 22. Nf4 (22. h3 {looks sharper.} g6 23. Nf4 Re4 24. Nd3 Re7 25. Nfe5) 22... Qd7 23. h3 Rec8 24. Qd1 Qf5 25. g4 Qd7 26. Kg2 Re8 27. Qd3 g6 28. Qd1 Bg7 29. Nd3 Kh7 30. Qc2 Rf8 31. Re1 Rae8 32. Rbb1 Re7 33. Re2 Qe8 34. Rg1 Nc4 35. Ree1 Qc8 36. Nf4 Qe8 37. Qd3 Nd6 38. Qc2 Nc4 (38... Ne4 $15) 39. Kf1 $2 {[#]} (39. Nd3 $11) 39... Kg8 $2 ({Black should play} 39... Rxe3 $1 $19 {[%mdl 512]} 40. Kg2 (40. fxe3 $2 {too greedy.} Nxe3+ 41. Rxe3 Qxe3 $19 {[%mdl 64] Double Attack}) (40. Rxe3 Qxe3) 40... Qe4 41. Qxe4 Rxe4) 40. h4 $2 {[#]} (40. Nd3 $15) 40... Rxe3 $1 {[%mdl 33280] Accuracy: White = 71%, Black = 82%. . An unexpected result.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.10"]
[Round "5.9"]
[White "Ftacnik, Lubomir"]
[Black "Hebden, Mark L"]
[Result "1/2-1/2"]
[ECO "E94"]
[WhiteElo "2513"]
[BlackElo "2444"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,75,25,33,27,25,27,26,33,28,37,20,22,7,27,0,0,0,0,0,0,0,18,15,22,11,27,0,0,0,11,12,14,12,59,35,31,31,43,43,38,33,145,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. c4 g6 3. d4 Bg7 4. Nc3 O-O 5. e4 d6 6. Be2 e5 7. O-O exd4 8. Nxd4 Re8 9. f3 Nc6 10. Be3 Nh5 11. Qd2 Nf4 12. Rad1 Nxd4 13. Bxd4 Bxd4+ 14. Qxd4 Nxe2+ {E94: King's Indian: Classical: 6 Be2 e5 7 0-0: Various Black 7th moves.} 15. Nxe2 b6 16. Nc3 Bb7 {[#] White has an edge.} 17. Rf2 $146 ({Predecessor:} 17. Nd5 Bxd5 18. cxd5 Qg5 19. Rc1 Re7 20. Rc6 Rd8 21. Qc3 Rdd7 22. Rc4 f5 23. f4 {½-½ (32) Ballow,J (2408)-Vertiz Gutierrez,P (2282) ICCF email 2017}) 17... Qg5 18. b4 a5 19. b5 Rad8 20. Nd5 Bxd5 $1 21. cxd5 f5 22. f4 Qh5 23. Re1 fxe4 24. Rfe2 Qf5 25. Rxe4 Rxe4 26. Qxe4 $11 {[%mdl 4096] Endgame KQR-KQR} (26. Rxe4 {looks sharper.} Kf7 27. Kf2 Rf8 28. Qc4 Kg8 29. h4) 26... Rf8 27. g3 Qf7 (27... g5 {with more complications.} 28. Qxf5 Rxf5 29. fxg5 Rxd5 30. Re8+ Kf7) 28. a4 Qg7 29. Kg2 h5 30. Qe6+ Kh7 31. Kh3 Rf6 32. Qe7 Rf7 33. Qg5 Qd4 (33... Qf6 $1 $14) 34. Re6 ({White must play} 34. Re7 $16 Qg7 35. Re1) 34... Qd3 $1 {The position is equal.} 35. Kh4 Qc2 {[%cal Rc2h2] [#]} 36. Kh3 $1 Qd3 37. Kh4 Qc2 {[%cal Rc2h2]} 38. Kh3 $1 {Accuracy: White = 90%, Black = 88%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.10"]
[Round "5.10"]
[White "Flear, Glenn C"]
[Black "Stohl, Igor"]
[Result "1/2-1/2"]
[ECO "E53"]
[WhiteElo "2420"]
[BlackElo "2470"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,59,0,-2,0,0,42,33,37,0,0,0,39,38,37,-20,-12,-49,-14,-80,0,-23,0,0,21,33,39,-14,32,0,0,0,14,0,0,-7,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O cxd4 8. exd4 dxc4 9. Bxc4 b6 10. Bg5 Bb7 11. Re1 Nbd7 12. Rc1 Rc8 13. Qb3 Bxc3 {E54: Nimzo-Indian: Rubinstein: Main Line: 7...dxc4 8 Bxc4.} 14. Rxc3 Qe8 15. Nd2 Bd5 {White is slightly better.} 16. Qa4 h6 17. Bh4 {[#]} Bc6 $146 ({Predecessor:} 17... Bxc4 18. Nxc4 Qd8 19. h3 Qc7 20. Bg3 Qc6 21. Qxc6 Rxc6 22. Nd6 Nb8 23. Rec1 Rxc3 24. bxc3 {0-1 (31) Lelievre,A (2499)-Finocchiaro,F (2555) ICCF corr 2002}) 18. Qa3 {aiming for Ba6.} b5 {[#] Hoping for ...a5.} 19. Bb3 (19. Be2 $14) 19... Bd5 $11 20. Bxf6 (20. Rce3 {looks sharper.} Rc6 21. Nf3 Qc8 22. Ne5 Ra6 23. Qb4) 20... Nxf6 21. Qxa7 {[#]} (21. Rc5 $11 {keeps the balance.}) 21... Bxb3 (21... Rxc3 $1 $17 22. bxc3 Qc6) 22. axb3 Ra8 23. Qb7 Ra2 24. Rb1 Nd5 25. Rc6 ({Better is} 25. Rcc1 $14) 25... b4 (25... Nf4 {with more complications.} 26. g3 Ne2+ 27. Kf1 Nxd4 28. Rd6 Nf5) 26. Ra6 Rxa6 {The position is equal.} 27. Qxa6 Qd7 28. g3 Ne7 29. Nf3 Nf5 30. Qd3 {Accuracy: White = 68%, Black = 68%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.10"]
[Round "5.11"]
[White "Motuz, Karol"]
[Black "McDonald, Neil"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "2368"]
[BlackElo "2410"]
[Annotator "TA"]
[PlyCount "127"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,127,28,3,2,23,45,46,43,45,43,33,35,39,131,133,127,120,105,97,156,73,129,140,164,109,205,206,337,312,330,334,317,242,440,352,340,212,172,175,384,384,383,340,335,299,270,62,63,69,81,81,220,211,231,218,218,202,268,268,249,148,200,200,199,197,240,238,540,577,506,493,850,830,793,810,674,606,3285,2530,6598,6331,5462,5322,7124,7106,6637,6555,2618,8631,6175,5587,29937,2280,2057,1699,1575,1532,29964,29964,11687,1552,29955,29964,29973,29975,29980,29981,29981,29981,29981,29981,29983,29984,29989,29990]} 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. g3 dxc4 5. Bg2 Bd7 6. Ne5 Bc6 7. Nxc6 Nxc6 8. O-O Qd7 {E04: Open Catalan: 5 Nf3.} 9. e3 O-O-O {9...0-0-0 has become a bit dusty these days.} 10. Nd2 e5 {White is slightly better.} 11. Nxc4 exd4 12. Qb3 Nd5 $1 13. Rd1 h5 (13... Bc5 $1 $14) 14. exd4 $16 f6 15. Ne3 Nce7 16. Bd2 h4 {[#]} ({Better is} 16... Kb8) 17. Ba5 $146 ({Resist} 17. Nxd5 $6 Nxd5 18. Rac1 c6 $14) (17. Rdc1 $142 c6 18. Nxd5 Nxd5 19. Ba5) ({Predecessor:} 17. Rac1 g5 18. a4 hxg3 19. hxg3 Kb8 20. Rc5 c6 21. Rcc1 Nxe3 22. Bxe3 Nd5 23. Bd2 {0-1 (43) Schepetkova,M (2244)-Gurvich,V (2305) Voronezh 2018}) 17... hxg3 ({Black should play} 17... g6) 18. hxg3 ({Much less strong is} 18. fxg3 Kb8 $14) 18... b6 19. Be1 $40 {[%mdl 128] White wants a kill.} (19. Nxd5 $18 Nxd5 20. Bd2) 19... g5 (19... g6 $16) 20. a4 $1 $18 {[%cal Ba2a4,Ba4a5][%mdl 32]} c6 (20... g4 $142 21. Rdc1 Rh5) 21. a5 b5 22. a6 Kb8 23. Rac1 f5 $2 (23... Rc8 24. Rc2 Nb6) 24. Nc4 {And now Ne5 would win.} Bg7 25. Ne5 Bxe5 26. dxe5 Qe6 $2 (26... Qc7 {was necessary.} 27. Bb4 Qxe5) 27. Bb4 Qxe5 28. Re1 Qc7 29. Bxe7 Nxe7 {[#]} 30. Bxc6 $1 {[%mdl 512]} Nxc6 $14 31. Qxb5+ {[%mdl 64] Double Attack} Qb6 32. Qxc6 Rh6 {This move loses the game for Black.} (32... f4 $16) 33. Qc3 {Black must now prevent Re7.} Rhd6 34. Re7 Qxa6 {[#]} 35. Qe5 $1 {Re8 is the strong threat.} Ka8 {aiming for ...Rd1+.} 36. Qxf5 Rd1+ {[#]} 37. Re1 (37. Rxd1 $1 $18 Rxd1+ 38. Kg2 Qf1+ 39. Kf3 Qd3+ 40. Qxd3 Rxd3+ 41. Kg4) 37... Rxc1 (37... Rxe1+ $16 {keeps fighting.} 38. Rxe1 Qc6) 38. Rxc1 $16 {[%mdl 4096] Endgame KQR-KQR} Qb7 39. Qf6 Re8 40. Rd1 {Strongly threatening Rd8+.} Rb8 $2 (40... Qb5 {is a better chance.} 41. g4 Rg8 42. Qf3+ Qb7) 41. Rd8 $18 Qe4 42. Qxg5 Qe1+ (42... Qb1+ $142 43. Kg2 Qe4+ 44. f3 Qe2+ 45. Kh3 Qxb2) 43. Kg2 {[%cal Rg5d5]} Qe4+ 44. f3 Qe2+ 45. Kh3 {[%cal Rg5d5]} Qxb2 46. g4 Rxd8 47. Qxd8+ {KQ-KQ} Kb7 48. Qe7+ Kb6 49. g5 Qf2 50. Qf6+ Kb5 51. g6 Qf1+ 52. Kh4 Qf2+ 53. Kg5 (53. Kh5 $142 Qh2+ 54. Qh4 Qc2 55. Qf6 Qh2+ 56. Qh4 Qc2 57. Qg5+ Kb4 58. g7 Qh7+ 59. Qh6 Qf5+ 60. Kh4) 53... Qg3+ 54. Kh6 {Threatening mate with Qg5+.} Qh3+ 55. Kg7 a5 56. Qe5+ Kb4 57. Qd4+ (57. Qf4+ $142 Kb3 58. Kf6) 57... Kb3 58. Qd5+ {White mates.} Kb2 59. Kf7 a4 60. g7 Qh7 61. Qe5+ Kb3 62. Qe6+ Ka3 63. Qg6 Qh3 64. Qd3+ {Accuracy: White = 74%, Black = 40%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.10"]
[Round "5.12"]
[White "Plaskett, H James"]
[Black "Petran, Peter"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2401"]
[BlackElo "2268"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,73,6,21,14,16,25,31,23,33,4,43,43,48,45,54,53,72,86,91,62,72,70,82,86,81,69,106,106,113,54,41,64,76,30,153,148,140,147,123,136,127,102,155,160,139,139,300,302,291,287,308,304,347,344,362,351,431,0,344,316,343,331,635,612,652,634]} 1. e4 g6 2. Nc3 Bg7 3. f4 c6 4. d3 d5 5. Nf3 dxe4 6. dxe4 {B06: Modern Defence.} Qxd1+ 7. Nxd1 Nd7 {[#]} 8. Bc4 $146 {White is slightly better.} ({Predecessor:} 8. Nf2 e5 9. f5 Ne7 10. g4 h5 11. h3 Nc5 12. Rg1 hxg4 13. hxg4 b6 14. Be3 {1-0 (40) Zajarnyi,A (2324)-Shagbazyan,T (2384) Chervonograd 2012}) 8... Nc5 9. Nf2 Be6 (9... Nf6 {looks sharper.} 10. Ng5 O-O 11. Be3 Na4 12. Bb3 b5) 10. Bxe6 Nxe6 11. c3 Nf6 12. Be3 Nd7 13. O-O-O a5 14. e5 h5 15. Ne4 Bh6 16. g3 O-O-O 17. Rd3 Kc7 18. Rhd1 Nb8 19. c4 (19. Nd4 $16 {And now Nxe6+ would win.} Ng7 20. Kc2) 19... Rxd3 $14 20. Rxd3 b6 21. c5 Nd7 (21... b5 $1 $11) 22. cxb6+ $16 Nxb6 23. Bxb6+ Kxb6 24. Rd7 $36 {[%mdl 2048] White is really pushing.} Re8 25. a4 Nc5 ({Black should play} 25... Nf8 26. Rd3 Ne6) 26. Nxc5 Kxc5 {[%mdl 4096] Endgame KRB-KRN} 27. Kc2 Kb6 $2 {[#]} (27... f6 $16 28. b3 g5) 28. Nd2 $18 c5 29. Nc4+ Kc6 30. Ra7 Kd5 31. Kd3 {[#] Threatening mate with Ra6!} (31. Nxa5 g5 $16) 31... Rb8 {Threatens to win with ...Rb3+.} 32. Ne3+ (32. Nxa5 Ke6 $18) 32... Kc6 33. Nc4 $2 (33. Rxe7 $18 Rd8+ 34. Ke4) 33... Bf8 $2 {[%mdl 8192]} (33... Kd5 $1 $11 34. Ne3+ (34. Nxa5 Bf8 $18) 34... Ke6) 34. Ra6+ ({Don't play} 34. Rxa5 h4 $18) 34... Kd7 35. Rxa5 e6 $2 (35... h4 36. Rxc5 hxg3 37. hxg3 e6) 36. Ra7+ Ke8 37. a5 {Accuracy: White = 80%, Black = 49%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.10"]
[Round "5.13"]
[White "Vltavsky, Vladimir"]
[Black "Matveeva, Svetlana"]
[Result "1/2-1/2"]
[ECO "B50"]
[WhiteElo "2212"]
[BlackElo "2375"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,68,25,18,27,-9,-8,-12,0,0,-5,-10,0,-26,-20,-29,-25,-29,-29,-32,-28,-26,-31,-62,-42,-35,-25,-25,-25,-66,-54,-91,-97,-169,-110,-121,-121,-122,-90,-192,-128,-150,-152,-144,-68,-181,-94,-104,-97,-86,-104,-115,-15,-9,28,20,12]} 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 Nbd7 5. d3 b6 6. O-O Bb7 7. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1g3][%mdl 32]} g6 8. Re1 Bg7 {B50: Sicilian: 2...d6, Miscellaneous.} 9. Nf1 O-O 10. Ng3 Qc7 11. Bf1 e5 12. d4 a6 {[#]} 13. dxe5 $146 ({Predecessor:} 13. b3 b5 14. Rb1 exd4 15. cxd4 cxd4 16. Nxd4 Rfe8 17. f3 d5 18. exd5 Nxd5 19. Rxe8+ Rxe8 {0-1 (26) Metzger,C (2153)-Guadalpi,D (2287) France 2000}) 13... dxe5 14. b3 b5 15. Bb2 Rfd8 16. Qc2 Ne8 17. a4 Nd6 18. Red1 f6 19. Be2 Nf8 20. Nd2 h5 21. Ngf1 Bh6 22. f3 Ne6 23. g3 (23. Nb1 $17 {was called for.}) 23... Bc6 ({Better is} 23... c4 $19 24. bxc4 bxa4) 24. axb5 axb5 25. Rxa8 Rxa8 26. Kg2 {[#]} (26. Bc1 $17) 26... Nf7 (26... h4 $1 $19 {[%mdl 512]} 27. Kh1 (27. gxh4 Nf4+) 27... hxg3 28. hxg3 Qh7) 27. Ra1 $17 {With the idea Rxa8+.} Rd8 28. Bc1 {[#]} Qb7 (28... h4 $1 $17 {[%mdl 512]} 29. Ra6 (29. gxh4 Nf4+) 29... h3+ $1 {[%mdl 512]} 30. Kf2 Qc8) 29. Nb1 (29. b4 $15) 29... Bf8 (29... Bxc1 $19 30. Qxc1 {[#]} h4 $1 {[%mdl 512]}) 30. Be3 Nd6 31. Nbd2 f5 32. exf5 Nxf5 (32... gxf5 $17 33. Kg1 Bd5) 33. Bf2 Ng5 {...e4 is the strong threat.} 34. h4 Ne6 {Accuracy: White = 66%, Black = 65%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.10"]
[Round "5.14"]
[White "Grabuzova, Tatiana"]
[Black "Marsalek, Zdenek"]
[Result "1/2-1/2"]
[ECO "D17"]
[WhiteElo "2272"]
[BlackElo "2177"]
[Annotator "TA"]
[PlyCount "147"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,147,8,14,-31,-20,-46,-8,0,53,-17,-17,-24,-25,-21,-17,-26,-24,-40,-35,-27,-17,-27,-23,-22,-24,-25,-26,-23,-23,-26,-17,-56,-69,-97,-90,-109,-98,-108,-102,-120,-113,-113,-113,-118,-112,-117,-126,-163,-68,-145,-145,-145,-145,-145,0,-145,-145,-145,-145,-145,-144,-126,8,8,9,9,14,14,66,8,8,8,9,8,9,8,9,9,14,14,14,14,14,14,14,14,40,14,39,14,14,14,29,29,29,29,29,9,33,9,110,61,110,110,110,110,110,110,110,117,117,125,128,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,0]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 Nbd7 7. Nxc4 Qc7 8. g3 e5 9. dxe5 Nxe5 10. Bf4 Nfd7 11. Qd4 {[%cal Rc4e5] D17: Slav Defence: 5 a4 Bf5: Lines with 6 Nh4 and 6 Ne5.} f6 12. Rd1 g5 13. Bxe5 Nxe5 (13... fxe5 $11 14. Qe3 Be6) 14. Bg2 {[#]} (14. h4 $1 $14) 14... Rd8 $146 ({Predecessor:} 14... Be7 15. Nxe5 Qxe5 16. Qxe5 fxe5 17. O-O Rd8 18. Be4 Be6 19. Kg2 O-O 20. Bb1 Kg7 {0-1 (52) Urkedal,F (2141)-Hole,O (2336) Gausdal 2005}) 15. Qxd8+ Qxd8 16. Rxd8+ Kxd8 17. Nxe5 fxe5 18. Be4 Be6 19. h4 g4 20. O-O Bc5 21. Rd1+ Ke7 22. Bc2 h6 23. Ne4 Bb4 24. f3 Rf8 25. Kg2 Bc4 $36 {[%mdl 2048] Black fights for an advantage.} 26. Bd3 Bb3 27. Rc1 gxf3+ ({Reject} 27... Bxa4 $6 28. fxg4 a6 29. g5 $11) 28. exf3 {[#]} Rd8 $1 {[%cal Rd8d3]} (28... Bxa4 $6 29. Ra1 $11) 29. Bc2 Bd2 $1 {[%cal Rd2c1]} 30. Rd1 Bxc2 31. Rxd2 Rxd2+ ({But not} 31... Bxa4 $6 32. Rxd8 Kxd8 33. Nd6 $11) 32. Nxd2 Bxa4 $17 {[%mdl 4096] Endgame KB-KN} 33. Kh3 Bc2 (33... Ke6 $19 34. Ne4 Bd1) 34. Kg4 (34. Nc4 $1 $15) 34... Kf6 35. Kh5 Kg7 36. Nc4 Bg6+ 37. Kg4 Kf6 38. f4 {[#]} h5+ $1 39. Kf3 exf4 40. Kxf4 Be8 (40... b5 $17 41. Ne5 Be8) 41. Nd6 $11 Bf7 (41... Ke7 {keeps more tension.} 42. Nxb7 Ke6 43. Nc5+ Kd5 44. Ne4 Bf7) 42. Nxb7 Bd5 43. Nc5 Bc4 ({Better is} 43... Bh1 $11) 44. b4 (44. Ne4+ $14 Kg6 45. Ke5) 44... Bf1 45. Nb3 Bh3 46. Nd4 Bg2 47. Nf5 Bf1 48. Ne3 Bd3 49. g4 hxg4 50. Nxg4+ Kg7 51. Ne5 Bb5 52. Kg5 Kh7 53. h5 Ba4 54. h6 a6 55. Nd7 {And now Nf6+ would win.} Bb5 56. Nf6+ Kh8 57. Kf4 Bf1 58. Ke5 {Threatening Kd6.} Be2 59. Kd6 Bf1 (59... Bb5 $11 {remains equal.}) 60. Kc5 Be2 61. Kxc6 Bf1 62. Kb6 Be2 63. Kb7 Bf1 64. Ka7 Be2 65. Kb6 Bf1 66. Nd7 (66. Kc5 $16) 66... Kh7 {The position is equal.} 67. Nc5 Kxh6 68. Nxa6 Kg7 69. Nc7 Kf7 70. Kc6 Ke7 71. Nb5 Kd8 72. Nd6 Be2 73. Kc5 Kc7 74. Nc4 {And White is the lucky defender. Accuracy: White = 74%, Black = 77%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.10"]
[Round "5.15"]
[White "Zahorbensky, Jaroslav"]
[Black "Yakimenko, Alexander A."]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "2098"]
[BlackElo "2149"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,96,-10,-8,-27,0,-14,8,0,24,21,25,0,3,0,141,-6,133,0,15,0,44,9,29,7,23,9,10,10,19,4,2,0,50,0,12,4,24,27,28,30,100,68,69,22,22,24,27,27,28,28,115,53,58,50,104,104,104,104,101,106,102,102,103,91,102,77,137,125,118,102,100,66,62,61,75,58,72,58,58,59,211,216,203,203,1970,47,47,0,29]} 1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bf4 Bd6 5. Bg3 Nf6 6. Bd3 {C01: French: Exchange Variation.} Nc6 7. c3 Bg4 8. Ne2 {[#]} Bxg3 $146 ({Predecessor:} 8... h5 9. Bh4 Qd7 10. Bxf6 gxf6 11. Nd2 O-O-O 12. Nf1 Rhg8 13. Ne3 f5 14. f3 f4 15. Nxd5 {1-0 (34) McMorrow,J (2018)-Zelenchuk,D (2031) Dublin 2019}) 9. hxg3 Qe7 10. Nd2 O-O-O 11. f3 Kb8 (11... Bh5 $11) 12. Qc2 (12. fxg4 $16 {aiming for Nf3.} Nxg4 13. Nf3) 12... Rhe8 (12... Bd7 $11 {remains equal.}) 13. O-O-O ({White has to play} 13. fxg4 $16 {Strongly threatening g5.} Nxg4 14. Nf1 (14. Rxh7 Ne3 $16)) 13... Bf5 14. Nf4 Bg6 15. Bxg6 hxg6 16. Nb3 b6 17. Qf2 g5 18. Nd3 g4 19. Rde1 Qd6 20. Nd2 {[%cal Bb3d2,Bd2f1,Bf1e3][%mdl 32]} Re6 21. Nf4 Rxe1+ 22. Rxe1 Qd7 23. Nf1 Rh8 24. Ne3 g6 (24... gxf3 $11 25. gxf3 Ne7) 25. Nd3 Re8 26. Nxg4 (26. fxg4 $5 {[%cal Rf2f6]} Re6 27. Qf3 $16) 26... Rxe1+ 27. Qxe1 Nxg4 28. fxg4 Kb7 29. Qe2 Qe7 (29... g5 $1 $11 {keeps the balance.}) 30. Qxe7 ({Better is} 30. Qf3 $1 $16) 30... Nxe7 $16 {[%mdl 4096] Endgame KN-KN} 31. g5 Kc6 ({Black should try} 31... Nc6 $14) 32. Ne5+ Kd6 33. Nxf7+ Ke6 34. Ne5 Kf5 35. Kd2 Kxg5 36. Ke3 Nf5+ 37. Kf3 Nd6 {[#]} (37... a5 $142) 38. Nc6 $1 Nc8 39. g4 Kf6 40. Kf4 g5+ 41. Ke3 Nd6 42. b3 a5 43. Ne5 Ke6 44. Kd3 Nf7 $2 {[#]} ({Black should play} 44... Ne4 $14) 45. Nxf7 $1 $18 Kxf7 46. c4 c6 $2 (46... Ke6 47. cxd5+ Kxd5) 47. Kc3 $2 (47. cxd5 $18 cxd5 48. b4) 47... b5 $1 $14 48. a4 b4+ {Accuracy: White = 63%, Black = 58%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.10"]
[Round "5.16"]
[White "Chudinovskikh, Alexander M"]
[Black "Sykora, Ondrej"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "2139"]
[BlackElo "2048"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,99,27,22,43,28,46,29,27,7,72,74,88,22,30,30,43,25,39,8,27,19,26,20,108,105,148,86,134,119,131,65,73,29,57,41,96,60,64,57,208,117,112,85,83,81,101,92,84,44,112,24,12,0,43,31,57,53,69,0,0,2,0,0,0,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 d6 5. Bg2 g6 6. O-O Bg7 7. c3 Nge7 8. d4 $1 {[%mdl 4] is currently scoring better than 8.Be3.} cxd4 9. cxd4 d5 {A04: Unusual lines after 1 Nf3 and King's Indian Attack.} 10. e5 O-O 11. Nc3 {[%cal Bb1c3,Bc3a4,Ba4c5][%mdl 32]} Nf5 {White has an edge.} 12. Bg5 Qb6 {[#]} (12... f6 $11 13. exf6 Bxf6 14. Bxf6 Qxf6) 13. Na4 $146 ({Predecessor:} 13. Qd2 Nfxd4 14. Nxd4 Qxd4 15. Qxd4 Nxd4 16. f4 Re8 17. Rad1 Nf5 18. Nb5 Ne3 19. Nc7 Bd7 20. Rc1 Nxf1 21. Nxe8 Bxe8 22. Bxf1 {0-1 (43) Nguyen,N (2234)-Tong,T Dong Nai 2002}) 13... Qc7 14. Rc1 (14. g4 $16 Nfe7 15. Bf6) 14... h6 $1 $11 {[%cal Rh6g5]} 15. Bd2 Qd8 16. Be1 Bd7 17. g4 $36 {[%mdl 2048] White has the initiative.} Nfe7 18. Nc5 Bc8 19. b4 f6 (19... b6 $11 20. Nd3 Ba6) 20. exf6 $16 Bxf6 21. Bd2 (21. b5 $142) 21... b6 {[#]} 22. Nb3 $1 Bg7 23. Re1 (23. b5 $16 Nb8 24. Bb4) 23... a6 $14 24. a4 Bd7 25. a5 Ra7 (25... Rb8 $14) 26. axb6 (26. Qc2 {with more complications.} Rb7 27. Qd3 Bc8 28. Qe3 Rb8 29. axb6 Rxb6 30. Nc5) 26... Qxb6 27. Nc5 (27. Be3 {is more complex.} Qxb4 28. Ne5 Qd6 29. Nc5 Bc8 30. Qd2) 27... Nxb4 $2 (27... Nxd4 $14 28. Ne5 Bc8) 28. Bxb4 ({White should play} 28. g5 $18) 28... Qxb4 $16 29. Nxd7 Rxd7 30. Rxe6 a5 31. Rb1 Qc3 32. Qe2 Qc7 (32... Nc6 $1 $14) 33. Ra6 (33. Qe3 $16) 33... Rd6 $11 34. Re1 {[#] And now Rxd6 would win.} Rf7 35. Ra8+ Kh7 36. Ne5 Re6 37. Ra6 (37. Qe3 $14) 37... Rff6 {The position is equal.} 38. Rxe6 Rxe6 39. f4 Qc3 40. Qe3 Qxe3+ 41. Rxe3 Rb6 42. Ra3 Rb4 43. Rxa5 Rxd4 44. Ra7 Nc8 45. Rc7 Rxf4 46. Bxd5 Nd6 47. h3 Rd4 48. Bb3 Rd2 49. Nc4 Nxc4 50. Bxc4 {Accuracy: White = 64%, Black = 64%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.10"]
[Round "5.17"]
[White "Cummings, David H."]
[Black "Priehoda, Vitezslav"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "2342"]
[BlackElo "2337"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,54,0,11,16,8,18,33,32,36,14,23,11,22,20,20,0,6,3,12,2,10,-25,-25,-220,-218,-198,-169,-172,-154,-222,-167,-213,-203,-281,-241,-306,-316]} 1. c4 e6 2. Nf3 a6 3. e3 Nf6 4. b3 d5 5. Bb2 Be7 6. Nc3 O-O 7. d4 b6 8. Bd3 Bb7 9. cxd5 exd5 10. O-O Nbd7 11. Ne5 {E14: Queen's Indian: Classical Variation (4 e3).} Bd6 12. f4 c5 13. Qf3 {White is slightly better.} b5 14. Qh3 {[#]} c4 $146 ({Predecessor:} 14... g6 15. Nxd7 Qxd7 16. Qxd7 Nxd7 17. dxc5 Bxc5 18. Nd1 Rfe8 19. Kf2 Nf8 20. Rc1 Bb6 {0-1 (33) Riazantsev,A (2671)-Salinas Herrera,P (2466) Doha 2016}) 15. Nxd7 cxd3 16. Nxf8 Bxf8 17. Rad1 b4 {[#] Hoping for ...Bc8.} 18. Na4 Bc6 19. Nc5 Bb5 $1 20. Nxd3 Qa5 21. Ba1 $2 {[#] This costs White the game.} (21. Nc1 $11 {and White has nothing to worry.}) 21... Qxa2 $19 22. Rfe1 {Black should prevent Nc5.} Qxb3 23. Nc5 Qa2 24. e4 (24. Rb1 $17 {was worth a try.} a5 25. Qf3) 24... Nxe4 ({Much less strong is} 24... Bxc5 25. dxc5 Nxe4 26. Qh5 $15) 25. Nxe4 dxe4 26. d5 Bd3 27. Qf5 Rd8 {Accuracy: White = 48%, Black = 92%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.10"]
[Round "5.18"]
[White "Vokac, Marek"]
[Black "Plotkin, Victor"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "2348"]
[BlackElo "2339"]
[Annotator "TA"]
[PlyCount "140"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,140,13,6,10,14,4,4,6,8,2,2,5,0,0,0,0,51,0,-4,-1,19,8,29,-22,-29,-40,-40,-70,-62,-129,-147,-130,-79,-78,-67,-70,-74,-76,-81,-154,-149,-137,-66,-110,-75,-149,-146,-230,-241,-243,-245,-283,-270,-302,-302,-355,-346,-372,-358,-350,-343,-341,-339,-389,-395,-416,-386,-416,-419,-418,-424,-420,-437,-431,-432,-430,-423,-420,-416,-412,-399,-420,-408,-418,-375,-393,-359,-404,-352,-491,-492,-514,-389,-692,-691,-675,-668,-779,-656,-595,-566,-1020,-1007,-901,-840,-827,-827,-1184,-1146,-1880,-1810,-1552,-1061,-3019,-2406,-6418,-6358,-5748,-5673,-5612,-3983,-5032,-5018,-29980,-29981,-29981,-29982,-29982,-29983,-29983,-29981,-29981,-29982]} 1. Nf3 d5 2. b3 Bg4 3. Bb2 Nf6 4. e3 e6 5. h3 Bh5 6. Be2 {A06: Réti Opening: 1 Nf3 d5.} h6 {[#]} 7. d3 $146 ({Predecessor:} 7. O-O Nbd7 8. c4 Bd6 9. Nc3 O-O 10. Rc1 c6 11. d3 Bg6 12. Re1 a6 13. d4 Qb8 {½-½ (46) Papadopoulos,G (2072)-Kelires,A (2087) Achaia 2013}) 7... Be7 8. Nbd2 {The position is equal.} O-O 9. g4 Bg6 10. Ne5 Bh7 11. h4 Nfd7 $1 12. Nef3 e5 (12... c5 $11) 13. Nxe5 (13. g5 $14) 13... Nxe5 $11 14. Bxe5 Bxh4 15. Nf3 Bf6 16. d4 (16. Bxf6 $142 Qxf6 17. Kd2) 16... Nd7 17. Bf4 Re8 18. Bd3 Be4 19. g5 (19. c3 $15) 19... hxg5 $17 20. Bxe4 {Strongly threatening Nxg5!} dxe4 ({Black should try} 20... gxf4 21. Bh7+ Kf8) 21. Nxg5 Bxg5 22. Qh5 {[%csl Gh1][%cal Rh5h8]} f6 $1 {Hoping for ...Bxf4.} ({Don't blunder} 22... Bh6 $2 23. Bxh6 g6 24. Qh2 $18) 23. O-O-O (23. Bxg5 $2 fxg5 24. Rg1 Qe7 $17) 23... Nf8 $1 24. Bxg5 (24. Rdg1 $142) 24... fxg5 25. Rdg1 Ne6 ({Better is} 25... g6 $17 26. Rxg5 Qf6) 26. Qh7+ $15 Kf7 27. Qxe4 {[#]} (27. Rh6 $142 Nf8 28. Qf5+ Kg8 29. Rh5) 27... c6 $1 $17 28. Rg3 {[#]} (28. Qg4 $17) 28... Qd5 $1 $19 {[%cal Rd5e4]} 29. Qxd5 cxd5 30. Kd2 b5 31. a3 Rh8 32. Rxh8 Rxh8 {[%mdl 4096] Endgame KRN-KR} 33. c4 bxc4 34. bxc4 dxc4 35. Kc3 Rc8 36. Rg4 Kf6 37. Re4 g6 38. Re5 Rc7 39. Ra5 g4 40. Ra6 {With the idea d5.} Kf7 41. Ra5 Ng7 42. Rg5 Nh5 43. Rxg4 Nf6 44. Rg1 Nd5+ 45. Kc2 Rb7 46. Rg3 Rb3 47. Rg5 Rb5 {Threatens to win with ...Nxe3+!} 48. Rg3 Nb6 49. Rh3 {White hopes to continue with Rh7+.} Kg7 50. Rh4 Na4 51. Re4 $2 (51. d5 Rb2+ 52. Kc1 Rxf2 53. Rxc4) 51... Rb2+ 52. Kc1 {intending Re7+.} Rxf2 53. d5 Nb6 54. d6 c3 55. Rd4 {[#] If only White now had time for d7....} Rd2 $1 56. Re4 (56. Rxd2 cxd2+) 56... a5 57. Re5 Rxd6 58. Rxa5 Rd3 59. Ra7+ Kh6 60. e4 Re3 61. Kc2 Nc4 62. Ra4 Ne5 63. Rd4 Kg5 64. a4 Kf4 65. a5 Rxe4 66. Rxe4+ Kxe4 {Black mates.} 67. a6 Nc6 68. Kxc3 Kd5 69. Kd3 Nb4+ 70. Ke3 Nxa6 {Accuracy: White = 53%, Black = 91%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.10"]
[Round "5.19"]
[White "Findlay, Ian T."]
[Black "Zpevak, Pavel"]
[Result "1-0"]
[ECO "B49"]
[WhiteElo "2159"]
[BlackElo "2344"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,69,14,7,31,0,17,33,33,3,3,-24,-14,-11,0,0,18,0,0,4,21,13,23,11,46,15,29,18,47,33,43,45,63,64,79,47,90,16,16,16,23,21,29,8,23,40,152,140,579,587,582,570,556,566,698,689]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 Nc6 7. Be3 Nf6 8. a3 Be7 9. f4 d6 {B48: Sicilian: Taimanov: 5 Nc3 Qc7 6 Be3 a6 without Be2.} 10. g4 d5 {is more profitable than 10...Nxd4 at the moment.} 11. e5 Nd7 {White is slightly better.} 12. O-O {[#]} Bc5 $146 ({Predecessor:} 12... Nxd4 13. Bxd4 b5 14. Bf3 Bb7 15. Re1 Rc8 16. f5 Bc5 17. fxe6 fxe6 18. g5 O-O 19. Bg4 Rce8 20. Ne2 Nxe5 21. b4 Nxg4 {0-1 (23) Pozsar,P (1905)-Arendas,M (2106) Slovakia 2018}) 13. Kh1 Bxd4 14. Bxd4 Nxd4 15. Qxd4 Qc5 16. Rad1 $36 {[%mdl 2048] White is pushing.} Qxd4 17. Rxd4 b6 18. Bf3 Bb7 19. Ne2 O-O-O 20. Rfd1 g5 21. Re1 Rhg8 22. h4 h6 23. Kh2 f6 24. exf6 Nxf6 25. Kh3 Rdf8 26. Ng3 (26. Nc3 $16 Re8 27. fxg5 hxg5 28. h5) 26... gxf4 $11 27. Rxf4 Kd7 28. c4 Kd6 29. b4 Nd7 30. Nh5 Rxf4 ({Better is} 30... Bc8 $14) 31. Nxf4 $16 Ne5 $2 {[%mdl 8192] [#] Loses the game.} (31... Re8 $16 {is a better chance.}) 32. c5+ $1 $18 {[%mdl 576] Deflection. White is clearly winning.} bxc5 33. bxc5+ Kxc5 34. Rxe5 Kd4 35. Rxe6 {Accuracy: White = 68%, Black = 60%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.10"]
[Round "5.20"]
[White "Vrbata, Zbynek"]
[Black "Barron, Michael"]
[Result "1-0"]
[ECO "A81"]
[WhiteElo "2350"]
[BlackElo "2075"]
[Annotator "TA"]
[PlyCount "191"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,191,27,41,40,30,0,29,23,10,27,87,87,86,35,50,50,100,0,0,0,0,5,0,0,24,28,24,33,40,23,44,22,64,9,65,37,65,38,31,6,33,33,54,41,62,37,82,84,86,90,101,73,162,158,165,156,279,274,258,265,256,118,118,118,118,118,118,118,118,118,250,255,618,623,744,520,554,517,464,445,717,671,620,588,710,662,2962,2931,2911,2915,2808,2784,2452,2758,2447,2561,2845,2228,2906,2839,2710,2394,2829,0,1364,0,2911,2010,1462,2262,826,1776,1932,1681,709,2351,1993,1454,1679,1646,1705,1681,5502,4678,12841,12842,12842,12839,12840,12840,12841,12841,12841,12841,12841,12841,12841,12841,12841,12842,12842,12842,12846,12847,12847,12847,12847,12847,12850,12847,12850,12851,27999,27999,27996,27999,27995,27995,27996,27996,27997,27997,27998,27998,27999,27999,27997,27997,27998,27998,27999,27999,27994,27994,27998,27998,27999,27998,27999,27999]} 1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. O-O O-O 6. b3 Ne4 7. Bb2 c5 8. Qc1 {A81: Dutch Defence: 2 g3.} cxd4 9. Nxd4 e5 10. Nf3 {White has an edge.} Nc6 11. c4 {[#]} d5 $146 (11... a5 $11 {remains equal.}) ({Predecessor:} 11... d6 12. Nc3 Nxc3 13. Qxc3 Qe7 14. Qd2 Be6 15. Rad1 Rfd8 16. Ng5 Bh6 17. f4 Bxg5 18. fxg5 Rd7 19. Bd5 Rc8 20. e4 fxe4 21. Rf6 Nd4 22. Qxd4 {1-0 (22) Joanpera Morales,A-Castany Vilaseca,L Catalunya 1996}) 12. cxd5 $1 $16 Qxd5 13. Nc3 (13. Ng5 $16) 13... Nxc3 $14 14. Qxc3 {Black must now prevent Ng5.} Qf7 15. Rfd1 (15. Ng5 $16 Qe7 16. Bxc6 (16. Qc4+ Kh8 $14) 16... bxc6 17. Qxc6 (17. Qc4+ Kh8 $14)) 15... e4 $11 16. Qxg7+ Qxg7 17. Bxg7 Kxg7 18. Nd4 Bd7 19. f3 Nxd4 20. Rxd4 {[%mdl 64] Double Attack} Bc6 21. fxe4 f4 22. Rad1 Rae8 23. Bf3 (23. g4 $14) 23... Re5 (23... fxg3 $11 24. hxg3 Re5) 24. Kg2 Rf7 25. R1d2 Rf6 26. Rd6 Rf7 27. R2d4 Rf8 28. Rd8 {Hoping for Rxf8.} Rf6 29. h4 Rf7 30. g4 h6 31. Kf2 Rfe7 32. e3 g5 (32... Rf7 $16) 33. exf4 $1 $18 gxf4 34. R8d6 $1 Re8 (34... Rc5 $16 {was worth a try.} 35. e5 Bxf3 36. Kxf3 Rcxe5 37. Kxf4 Re2) 35. h5 R8e6 36. Rxe6 Rxe6 {[%mdl 4096] Endgame KRB-KRB} 37. Ke2 (37. e5 $18 {is more deadly.}) 37... Kf6 $16 38. Rd8 $1 Ke5 39. Rg8 Bxe4 40. Bxe4 Kxe4 {[#] KR-KR} 41. Kf2 $1 Re7 (41... Ra6 $16) 42. Rg6 $18 Ke5 $2 (42... f3) 43. Rxh6 Rc7 44. Rh8 Rc2+ 45. Kf3 Rc3+ 46. Ke2 f3+ {[#]} (46... Kf6 $142 47. Rf8+ Kg5 48. Rg8+ Kh6 49. Rg6+ Kh7) 47. Kd2 $1 {[%cal Rd2c3]} f2 48. Rf8 Rg3 49. Rxf2 Rxg4 50. Rh2 Rg7 51. h6 Rh7 52. Kc3 Kd5 53. Rh5+ Ke6 54. Kc4 Kd6 55. Rh2 Ke5 56. a4 Rc7+ 57. Kb5 Rh7 58. Kc4 (58. Rh4 $142 Kd6 59. a5) 58... Rc7+ $1 59. Kb5 (59. Kb4 $142) 59... Rh7 60. b4 Kd5 61. Rh5+ Kd6 62. Kc4 (62. a5 $142 Ke6 63. Kc5) 62... Rc7+ 63. Kd4 Rh7 64. Ke4 (64. Rh2 $142 Ke6 65. a5) 64... Ke6 65. Rh2 Kf6 66. Kf4 Kg6 67. Ke5 Kf7 68. b5 b6 69. Kf5 Kg8 70. Kg6 {White wants to mate with Re2.} Rd7 71. Rf2 Rd6+ 72. Rf6 Rd8 73. Rc6 Kh8 74. Rc7 Rd6+ 75. Kg5 Rd5+ 76. Kf6 Rd6+ {[#]} 77. Ke5 $1 Rxh6 78. Rxa7 Kg8 79. Re7 Kf8 80. Re6 Rh4 81. Kd5 Kf7 82. Rxb6 Rxa4 83. Ra6 {White mates.} Rb4 84. Kc5 Rb1 85. Rd6 Ke7 86. Rd2 Rc1+ 87. Kb6 Rb1 88. Kc6 Rc1+ 89. Kb7 Rb1 90. b6 {[%cal Bb5b6,Bb6b7][%mdl 32]} Ke6 91. Kc7 Rc1+ 92. Kb8 Rb1 93. b7 Ke7 94. Ra2 Kd7 95. Ka8 Kc7 96. Rc2+ {Accuracy: White = 84%, Black = 59%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.10"]
[Round "5.21"]
[White "Sokolin, Leonid"]
[Black "Strutinskaia, Galina"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "2496"]
[BlackElo "2214"]
[Annotator "TA"]
[PlyCount "146"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,146,18,37,13,48,35,40,16,27,20,22,18,55,29,20,14,20,0,13,20,10,6,22,17,16,10,10,0,0,3,54,54,85,73,64,33,23,15,33,20,60,66,97,47,76,61,64,46,50,66,97,42,97,0,0,0,37,25,106,-66,0,-2,-2,-2,0,-14,-5,-65,-20,-37,-40,-37,-29,-27,-7,-32,-31,-35,-31,-48,-39,-52,0,-8,0,0,0,0,8,0,0,0,13,13,37,46,66,0,8,12,12,12,12,12,12,0,0,0,0,0,12,12,12,12,12,12,12,12,14,12,17,0,0,0,0,0,0,0,0,0,29976,0,0,0,8,8,8]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. O-O Nge7 5. d4 cxd4 6. Nxd4 Qb6 7. Nxc6 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6.} Nxc6 (7... bxc6 {feels hotter.} 8. Bd3 Ng6 9. c4 Bc5 10. Nc3 Qc7) 8. Nc3 Bb4 {[#]} 9. a4 $146 {White is slightly better.} ({Predecessor:} 9. Be3 Qa5 10. a4 O-O 11. Ne2 a6 12. Bc4 Qc7 13. Ng3 d6 14. f4 d5 15. Bd3 dxe4 16. Nxe4 {1-0 (37) Cornette,M (2584)-Roos,J (2247) Baden 2018}) 9... O-O 10. Bf4 a6 11. Be2 Qd4 12. Bd3 Qf6 13. Bg3 d6 14. Ne2 Bc5 15. c3 e5 16. b4 Bb6 17. Kh1 g5 18. Qd2 Be6 19. Rab1 Ne7 20. a5 Bc7 ({Black should play} 20... Ba7 $11) 21. c4 b6 22. axb6 Bxb6 23. Qc3 Nc6 {[#]} 24. f4 $1 {[%mdl 512]} gxf4 (24... exf4 25. Qxf6) 25. Bxf4 {Hoping for Be3!} Qg7 26. Bg3 Rfc8 27. Qd2 Bd8 28. Bf2 Bg5 29. Be3 Bxe3 30. Qxe3 Nd4 31. Rbc1 (31. Nxd4 $16 exd4 32. Qe2) 31... Rab8 (31... a5 $14) 32. c5 ({White should try} 32. Nxd4 $16 exd4 33. Qd2) 32... Rxb4 $11 33. cxd6 Rd8 34. Rb1 a5 (34... Rxb1 $11 35. Rxb1 h6) 35. Qc1 $2 (35. Rxb4 $16 axb4 36. Nxd4 exd4 37. Qf4) 35... Rxd6 (35... Nxe2 $15 36. Bxe2 Rxe4) 36. Qc5 $132 {[%mdl 2048] White has counterplay} Rxb1 37. Rxb1 Rd8 38. Qxa5 Qg5 39. Ng3 (39. Nf4 $11) 39... Rc8 (39... Nb3 $5 {[%cal Rb3a5]} 40. Qb5 Nd4 $15) 40. Qe1 h5 41. Nf1 Rd8 42. Ne3 Kh7 43. Bc4 {[#]} Nc2 $1 {[%mdl 512]} 44. Nxc2 {Bd5 is the strong threat.} Bxc4 45. Ne3 Be6 46. Qe2 Ra8 47. Nd5 Rd8 48. Rf1 Kg7 49. Nc7 Bc8 50. Qc4 Qe7 51. Qc6 Be6 52. Qc3 Ba2 53. h3 {Black must now prevent Rf5.} h4 54. Qc2 (54. Rf4 $1 $14) 54... Rc8 55. Qxa2 Rxc7 {[%mdl 4096] Endgame KQR-KQR} 56. Qd2 Rc6 57. Rf5 Rg6 58. Qc3 Rg5 59. Rf3 Rg6 60. Kh2 Rg5 (60... Qg5 {keeps more tension.} 61. g3 Rd6 62. Rd3 Ra6 63. Rf3 Ra4) 61. Qd2 Kg6 (61... Rg6 {is interesting.} 62. Qf2 Rg5 63. Qe3 Rg6 64. Rf5 Qd6) 62. Qf2 Rh5 63. Qb6+ Kg7 64. Qe3 Qg5 65. Qc3 {Threatens to win with Rf5.} Qg6 66. g4 hxg3+ $1 67. Rxg3 Rg5 68. h4 Rxg3 69. Qxg3 f6 70. Kh3 Qxg3+ $1 71. Kxg3 f5 $1 {The position is equal.} 72. exf5 {Intending h5 and mate.} Kf6 73. Kg4 {White threatens h5 and mate.} e4 {Accuracy: White = 84%, Black = 76%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.10"]
[Round "5.22"]
[White "Sirotkina, Nina"]
[Black "Dolgitser, Konstantin"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2183"]
[BlackElo "2232"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,93,0,0,0,0,0,0,-1,-1,0,-4,-6,-1,0,0,0,52,0,0,-5,0,0,28,45,33,-10,-5,-12,-14,0,26,-15,18,26,15,14,24,22,29,29,45,17,29,29,78,77,72,72,68,74,73,42,84,68,75,52,57,50,51,42,75,26,32,0,31,35,68,52,52,55,77,0,65,52,99,91,314,307,285,84,252,0,292,0,257,0]} 1. d4 d5 2. Bf4 c5 3. e3 cxd4 4. exd4 Nc6 5. c3 Bf5 6. Nf3 {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack.} e6 7. Bd3 Bxd3 8. Qxd3 {The position is equal.} Bd6 9. Bxd6 Qxd6 10. O-O Nge7 11. Re1 O-O 12. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1h2,Bh2g4,Bg4e5][%mdl 32] [#]} b5 $146 ({Black should try} 12... Rab8 $11) ({Predecessor:} 12... Rfc8 13. Re2 Qf4 14. Nb3 Rc7 15. Rae1 Qf5 16. Nc5 b6 17. Qxf5 Nxf5 18. Nd3 h5 {½-½ (61) Geller,J (2539)-Kokarev,D (2629) Irkutsk 2010}) 13. a3 (13. b4 $1 $14) 13... Rab8 14. Nf1 Na5 15. Ng5 {[%csl Gg5][%cal Rd3h7] [#]} Ng6 16. h4 Qf4 17. g3 (17. Nxh7 $5 Kxh7 18. h5 $14 {[%mdl 64] Pin}) 17... Qf6 18. Nh2 h6 19. Ngf3 Nc4 20. Re2 Ne7 21. Ng4 $36 {[%mdl 2048] White is pushing.} Qf5 22. Qxf5 Nxf5 23. Nge5 {aiming for Nd7.} Rb7 24. Nd3 Nfd6 25. Nfe5 Rc7 26. Kg2 Nb7 27. a4 bxa4 28. Rxa4 Nbd6 29. Nxc4 Nxc4 30. Nc5 Re7 31. b4 Nd6 32. Ra5 Rb8 33. Kf3 Nb5 34. Re3 Rb6 35. Ra1 f6 36. Rae1 {[%cal Rc5e6]} Kf7 (36... e5 $5) 37. Kg2 g5 38. hxg5 hxg5 39. Rh1 Kg7 40. Rhe1 Kf7 41. g4 Re8 42. Rh1 {Threatens to win with Nd7.} Kg6 $2 (42... Rg8 $16 {keeps fighting.}) 43. Reh3 $18 {Intending Rh7 and mate.} Rg8 44. Re1 $2 (44. Nd7 $18 Rc6 45. Rh6+ Kf7 46. Rxf6+ Ke8 47. Ne5) 44... Re8 $2 (44... Rc6 $16) 45. Reh1 {Threatening mate with Rh7.} Rg8 $1 46. Re1 Re8 $1 {[#]} 47. Reh1 $2 {Accuracy: White = 71%, Black = 64%.} (47. Nd7 $1 $18) 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.10"]
[Round "5.23"]
[White "Koganov, Mikhail"]
[Black "Bogumil, Tatiana"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2085"]
[BlackElo "2182"]
[Annotator "ChessBase"]
[PlyCount "54"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. Nf3 {[%emt 0:00:02]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:06]} b6 {[%emt 0:01:33]} 3. g3 {[%emt 0:00:39]} Bb7 {[%emt 0:00:07]} 4. Bg2 {[%emt 0:00:07]} g6 {[%emt 0:02:33]} 5. Nc3 {[%emt 0:03:15]} Bg7 {[%emt 0:03:12]} 6. d4 {[%emt 0:02:43]} Ne4 {[%emt 0:03:17]} 7. Nxe4 {[%emt 0:04:32]} Bxe4 {[%emt 0:00:06]} 8. O-O {[%emt 0:00:30]} O-O {[%emt 0:03:38]} 9. Be3 {[%emt 0:17:10]} d6 {[%emt 0:07:50]} 10. Qd2 {[%emt 0:01:20]} Nd7 {[%emt 0:13:05]} 11. Bh6 {[%emt 0:01:27]} c5 {[%emt 0:00:58]} 12. Bxg7 {[%emt 0:01:43]} Kxg7 {[%emt 0:05:34]} 13. Qc3 {[%emt 0:04:47]} Kg8 {[%emt 0:04:26]} 14. Rad1 {[%emt 0:03:55]} cxd4 {[%emt 0:04:41]} 15. Rxd4 {[%emt 0:02:27]} Nf6 {[%emt 0:06:49]} 16. Qe3 {[%emt 0:02:24]} Bxf3 {[%emt 0:04:30]} 17. Bxf3 {[%emt 0:01:36]} Rc8 {[%emt 0:00:30]} 18. Rfd1 {[%emt 0:01:36]} Kg7 {[%emt 0:01:46]} 19. Rh4 {[%emt 0:04:19]} Rh8 {[%emt 0:02:08]} 20. Qh6+ {[%emt 0:03:47]} Kg8 {[%emt 0:02:32]} 21. b3 {[%emt 0:00:36]} Qf8 {[%emt 0:01:16]} 22. Qe3 {[%emt 0:00:26]} h6 {[%emt 0:03:35]} 23. Rhd4 {[%emt 0:05:06]} Kg7 {[%emt 0:01:46]} 24. Bd5 {[%emt 0:01:16]} Rc7 {[%emt 0:00:55]} 25. a4 {[%emt 0:01:03]} Qc8 {[%emt 0:03:18]} 26. Bg2 {[%emt 0:00:58]} Qf5 {[%emt 0:01:14]} 27. Qd3 {[%emt 0:00:51]} Qxd3 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.10"]
[Round "5.24"]
[White "Fatalibekova, Elena"]
[Black "Leverett, Bruce"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "2158"]
[BlackElo "2264"]
[Annotator "ChessBase"]
[PlyCount "74"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} d6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:06]} 3. Nc3 {[%emt 0:00:00]} e5 {[%emt 0:00:10]} 4. Nf3 {[%emt 0:00:29]} Nbd7 {[%emt 0:00:19]} 5. g3 {[%emt 0:01:21]} Be7 {[%emt 0:00:36]} 6. Bg2 {[%emt 0:00:08]} O-O {[%emt 0:01:07]} 7. O-O {[%emt 0:00:07]} c6 {[%emt 0:01:02]} 8. a4 {[%emt 0:01:32]} b6 {[%emt 0:03:49]} 9. b3 {[%emt 0:04:18]} Bb7 {[%emt 0:03:55]} 10. Bb2 {[%emt 0:00:34]} Qc7 {[%emt 0:05:15]} 11. Re1 {[%emt 0:00:26]} Rfe8 {[%emt 0:01:01]} 12. Qd2 {[%emt 0:10:01]} a6 {[%emt 0:07:37]} 13. d5 {[%emt 0:07:20]} cxd5 {[%emt 0:06:41]} 14. Nxd5 {[%emt 0:03:26]} Nxd5 {[%emt 0:00:45]} 15. exd5 {[%emt 0:00:04]} Rac8 {[%emt 0:01:25]} 16. Bh3 {[%emt 0:01:37]} Rb8 {[%emt 0:00:34]} 17. Bf1 {[%emt 0:07:32]} Nf6 {[%emt 0:04:34]} 18. c4 {[%emt 0:00:10]} Bc8 {[%emt 0:02:19]} 19. h3 {[%emt 0:03:43]} Nd7 {[%emt 0:06:42]} 20. b4 {[%emt 0:01:08]} a5 {[%emt 0:04:21]} 21. bxa5 {[%emt 0:02:06]} bxa5 {[%emt 0:00:08]} 22. Bc3 {[%emt 0:00:03]} Nc5 {[%emt 0:04:30]} 23. Rab1 {[%emt 0:09:32]} Bf5 {[%emt 0:04:34]} 24. Rb5 {[%emt 0:06:09]} Ne4 {[%emt 0:13:01]} 25. Qe3 {[%emt 0:03:22]} Nxc3 {[%emt 0:02:18]} 26. Qxc3 {[%emt 0:00:03]} Ra8 {[%emt 0:01:01]} 27. c5 {[%emt 0:01:50]} dxc5 {[%emt 0:01:26]} 28. Qxe5 {[%emt 0:00:03]} Qxe5 {[%emt 0:00:54]} 29. Rxe5 {[%emt 0:00:01]} Bd7 {[%emt 0:01:03]} 30. Rb7 {[%emt 0:00:24]} Bd6 {[%emt 0:01:27]} 31. Rxe8+ {[%emt 0:00:54]} Bxe8 {[%emt 0:00:06]} 32. Bb5 {[%emt 0:07:51]} Bxb5 {[%emt 0:01:03]} 33. Rxb5 {[%emt 0:00:01]} c4 {[%emt 0:00:14]} 34. Rb6 {[%emt 0:00:02]} Bb4 {[%emt 0:00:18]} 35. Rc6 {[%emt 0:00:02]} c3 {[%emt 0:00:27]} 36. Nd4 {[%emt 0:00:16]} Rd8 {[%emt 0:04:25]} 37. Nb5 {[%emt 0:00:14]} Kf8 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.10"]
[Round "5.25"]
[White "Denk, Adolf"]
[Black "Thorhallsson, Throstur"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "2224"]
[BlackElo "2424"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,72,0,0,-57,-46,-50,-53,-71,-69,-109,-61,-100,-99,-92,-85,-80,-84,-169,-54,-114,-37,-465,-225,-235,-242,-350,-361,-507,-496,-483,-329,-609,-365,-372,-366,-731,-725,-772,-690,-1508,-280,-275,-270,-265,-275,-375,-275,-265,-263,-29994,-29995]} 1. c4 e6 2. Nf3 d5 3. d4 c6 4. Qc2 Nf6 5. Bg5 Be7 6. e3 Nbd7 7. Nc3 O-O 8. cxd5 exd5 9. Bd3 Re8 10. O-O Nf8 11. Bxf6 Bxf6 12. b4 Bg4 13. b5 {D36: Queen's Gambit Declined: Exchange Variation: Main line (5 Bg5 c6 6 Qc2).} ({White should try} 13. Nd2 $11) 13... Bxf3 $15 14. gxf3 c5 15. dxc5 {Black is slightly better.} Rc8 16. Qb3 {[#]} Rxc5 $146 ({Predecessor:} 16... Ne6 17. Rac1 Nxc5 18. Qd1 Nxd3 19. Qxd3 Bxc3 20. Rxc3 Qg5+ 21. Kh1 Qf6 22. Rfc1 Qxf3+ {0-1 (29) Van der Linde,M-Wedberg,T Groningen 1974}) 17. Na4 Rc7 18. Rad1 d4 19. b6 axb6 20. Nxb6 (20. Kh1 $17 {was necessary.}) 20... Rc5 (20... Rc3 $19 21. Qb4 Re6) 21. Be4 (21. f4 $15) 21... Rh5 (21... Be5 $1 $17 {[%cal Re5h2]} 22. Bd5 Qg5+ 23. Kh1 Bxh2 $1 {[%mdl 512]} 24. Bxf7+ {[%mdl 64] Double Attack} Kh8 25. Rxd4 (25. Bxe8 {gets mated.} Qh4 26. Qg8+ {[%mdl 64] Decoy} Kxg8 27. Bf7+ Kxf7 28. f4 Bxf4+ {[%mdl 64] Discovered Attack} 29. Kg2 Qg4+ 30. Kh1 Rh5#) 25... Bc7) 22. Kg2 $2 {[%mdl 8192] Loses the game.} (22. Bd5 $1 $15 Ne6 23. f4) 22... Be5 (22... Ree5 $142 23. Nd5 Rxd5 24. Bxd5 Rg5+ 25. Kh1 Rxd5 26. Qxb7 d3) 23. Rh1 $19 Qh4 $40 {[%mdl 128] Black is out for blood.} 24. Kf1 (24. h3 $142) 24... dxe3 25. fxe3 (25. Qxe3 {was the only chance.} Bf4 26. Qb3) 25... Qh3+ 26. Ke2 Rg5 {aiming for ...Rg2+.} 27. Kd3 $2 (27. Rhf1) 27... Ne6 {...Nc5+ is the strong threat.} 28. Qb5 Rd8+ 29. Kc4 $2 (29. Kc2 Bd6 30. Nd5) 29... Bd4 30. Nd5 Rc8+ 31. Kb4 {[#]} Bc5+ $2 (31... Qg2 $1 {[%mdl 512] ( -> ...Qb2+)} 32. Qd3 {[#]} Rxd5 $1 {[%mdl 512]}) 32. Kb3 Bf8 33. Kb2 Nc5 34. Rd2 Nxe4 35. fxe4 {[#]} Qxe3 $1 {[%mdl 512]} 36. Re2 $2 (36. Qd3 $19 Qxd3 37. Rxd3) (36. Nxe3 Rxb5+) 36... Ba3+ {Accuracy: White = 24%, Black = 50%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.10"]
[Round "5.26"]
[White "Jonsson, Bjorgvin"]
[Black "Druckenthaner, Andreas"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2324"]
[BlackElo "2277"]
[Annotator "TA"]
[PlyCount "161"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,161,54,56,55,0,9,0,0,-1,-8,-26,6,-6,30,26,75,75,122,114,125,89,118,113,172,110,131,118,153,150,172,195,215,209,222,234,221,202,234,245,379,421,369,170,477,430,602,597,547,560,515,340,339,329,330,320,314,320,398,365,379,316,322,310,323,318,381,327,326,332,322,260,356,261,706,704,29979,787,780,761,710,664,719,710,599,571,12849,29941,6605,6629,29964,29965,29964,29962,29963,29964,29964,29965,29964,29962,29962,29962,29961,29958,29958,29956,29957,29958,29967,29968,29967,29961,29958,29963,29964,29964,29969,29965,29973,29974,29974,29975,29975,29973,29973,29974,29974,29975,29974,29976,29975,29974,29974,29975,29974,29976,29972,5708,29972,11850,29980,29980,29980,29981,29982,29982,29982,29983,29983,29984,29984,29985,29985,29986]} 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 c6 5. Qd2 b5 6. Bd3 Qc7 {B06: Modern Defence.} 7. O-O-O Nd7 8. h4 h5 {[#] The position is equal.} 9. Kb1 $146 ({Predecessor:} 9. f4 b4 10. Nb1 a5 11. Nh3 Nh6 12. Nf2 d5 13. e5 Nb6 14. Qe2 Be6 15. Rdg1 {0-1 (50) Liebscher,H (1938)-Weidlich,G (2066) Binz 2015}) 9... Ngf6 10. f3 Nb6 11. Nh3 Bxh3 (11... b4 $5 12. Ne2 $8 a5 $14) 12. Rxh3 Nfd7 13. f4 Rb8 14. e5 b4 15. Ne2 Nd5 {[#]} 16. e6 $1 N7f6 (16... fxe6 $16 17. Bxg6+ Kd8) 17. f5 (17. exf7+ $18 Kxf7 18. f5) 17... gxf5 18. exf7+ Kxf7 19. Bxf5 e6 20. Bd3 Qa5 {White must now prevent ...Nc3+!} 21. Ka1 Ke7 22. Bg5 Kd7 23. Rf3 Rbf8 24. Rdf1 Ng4 (24... Kc7 $142 25. Qe1 Nd7) 25. Rf7+ $18 {[%mdl 64] Double Attack} Kc8 26. Qe1 (26. c4 $142 bxc3 27. Nxc3 (27. bxc3 Bf6 $16) 27... Rxf7 28. Rxf7 Bxd4 29. Nxd5 Qxd5 30. Ba6+ Kb8 {[#]} 31. Qf4 $1 {[%mdl 512]} (31. Qb4+ Bb6 $11)) 26... Rxf7 $2 (26... Bf6 27. Rxf8+ Rxf8) 27. Rxf7 Bf6 28. Nf4 Nxf4 29. Bxf4 e5 30. Bf5+ Kb8 31. Bxg4 hxg4 32. Rxf6 {[%cal Rd4e5]} exf4 33. Rxf4 {[%mdl 4096] Endgame KQR-KQR} Qd5 34. Qxb4+ Ka8 35. Qd2 Rxh4 {( -> ...Rh1+)} 36. b3 {aiming for Rf8+.} ({Not} 36. Rf8+ Kb7 $16) 36... c5 37. Kb2 Kb7 38. g3 Rh7 39. Rxg4 Rc7 40. Rg5 Qf3 41. Qf4 Qg2 $2 (41... Qxf4 42. gxf4 cxd4) 42. Qxd6 cxd4 43. Qd5+ (43. Rb5+ $142 Kc8 44. Qe6+ Rd7 45. Rc5+ Kd8 46. Qf6+ Re7 47. Re5 Qc6 48. Qxe7+ Kc8 49. Rg5) 43... Qxd5 44. Rxd5 {KR-KR} Rg7 45. Rxd4 Rxg3 46. b4 Kc6 47. a3 {[%cal Ba2a3,Ba3b4][%mdl 32]} a5 {and the idea ...axb4 leaves Black hopeful.} 48. Rc4+ Kb6 49. Rc5 axb4 50. axb4 Rg1 51. Rh5 Rg3 52. c3 Rf3 53. Kb3 Rg3 54. Rh6+ Kb5 55. Rh8 Rf3 56. Rd8 Rh3 57. Rd5+ Kc6 58. Re5 Rh1 59. Re6+ Kd5 60. Rg6 Rb1+ 61. Ka4 Rc1 62. Rg5+ Kc6 63. b5+ Kb6 64. Rg6+ Kb7 65. Kb4 Rh1 66. c4 Rh4 67. Re6 Rg4 68. Kc5 Rg5+ 69. Kd4 Rg4+ 70. Kd5 Rg1 71. Rd6 Rg5+ 72. Kd4 Rh5 73. Rd5 (73. c5 $142 Rh7 74. Re6 Rg7 75. Ke5 Rg1 76. Re7+ Kb8 77. c6 Rg6 78. Kd5 Rg5+ 79. Kc4) 73... Rh7 74. Kc5 Rh4 75. Rd7+ {White mates.} Kc8 76. Rg7 Kb8 77. b6 Rh5+ 78. Kc6 {[%cal Rg7g8]} Rh6+ 79. Kb5 Rh1 80. c5 Rh5 81. Ka6 {Accuracy: White = 79%, Black = 55%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.10"]
[Round "5.27"]
[White "Ernst, Michael"]
[Black "Gislason, Gudmundur"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2155"]
[BlackElo "2322"]
[Annotator "ChessBase"]
[PlyCount "74"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. Bf4 {[%emt 0:00:00]} g6 {[%emt 0:00:02]} 3. Nf3 {[%emt 0:00:00]} Bg7 {[%emt 0:00:06]} 4. h3 {[%emt 0:00:18]} c5 {[%emt 0:00:06]} 5. e3 {[%emt 0:00:44]} Qb6 {[%emt 0:00:46]} 6. Nc3 {[%emt 0:02:49]} O-O {[%emt 0:07:00]} 7. Rb1 {[%emt 0:06:07]} Qa5 {[%emt 0:10:17]} 8. Qd2 {[%emt 0:04:34]} d6 {[%emt 0:14:17]} 9. Be2 {[%emt 0:00:56]} Nc6 {[%emt 0:02:09]} 10. O-O {[%emt 0:01:53]} a6 {[%emt 0:14:14]} 11. a3 {[%emt 0:05:33]} b5 {[%emt 0:06:06]} 12. Rfd1 {[%emt 0:09:16]} b4 {[%emt 0:02:04]} 13. Na2 {[%emt 0:01:53]} Be6 {[%emt 0:01:14]} 14. c4 {[%emt 0:06:48]} Bf5 {[%emt 0:08:09]} 15. Ra1 {[%emt 0:09:20]} Ne4 {[%emt 0:03:14]} 16. Qc1 {[%emt 0:04:59]} bxa3 {[%emt 0:02:41]} 17. bxa3 {[%emt 0:00:42]} e5 {[%emt 0:02:16]} 18. dxe5 {[%emt 0:01:53]} dxe5 {[%emt 0:00:08]} 19. Bh2 {[%emt 0:01:03]} Rfd8 {[%emt 0:02:36]} 20. Rd5 {[%emt 0:05:40]} Be6 {[%emt 0:02:42]} 21. Rxd8+ {[%emt 0:04:16]} Rxd8 {[%emt 0:00:07]} 22. Qc2 {[%emt 0:08:42]} f5 {[%emt 0:06:26]} 23. Rd1 {[%emt 0:08:50]} Rxd1+ {[%emt 0:01:18]} 24. Qxd1 {[%emt 0:00:15]} Qxa3 {[%emt 0:00:43]} 25. Qc2 {[%emt 0:02:59]} h6 {[%emt 0:03:07]} 26. Nd2 {[%emt 0:01:50]} Nb4 {[%emt 0:01:00]} 27. Nxb4 {[%emt 0:00:04]} cxb4 {[%emt 0:00:55]} 28. Nxe4 {[%emt 0:02:57]} fxe4 {[%emt 0:02:49]} 29. Bg3 {[%emt 0:00:12]} b3 {[%emt 0:03:10]} 30. Qxe4 {[%emt 0:00:03]} b2 {[%emt 0:00:54]} 31. Bd3 {[%emt 0:01:43]} Bf5 {[%emt 0:01:33]} 32. Qd5+ {[%emt 0:00:02]} Kh7 {[%emt 0:00:33]} 33. e4 {[%emt 0:00:41]} Be6 {[%emt 0:00:06]} 34. Qb7 {[%emt 0:00:57]} Qxd3 {[%emt 0:00:39]} 35. Qxb2 {[%emt 0:00:51]} Qxe4 {[%emt 0:00:21]} 36. c5 {[%emt 0:00:32]} Bd5 {[%emt 0:00:14]} 37. f3 {[%emt 0:00:11]} Qd4+ {[%emt 0:00:07]} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.10"]
[Round "5.28"]
[White "Karlsson, Agust S"]
[Black "Kranzl, Peter"]
[Result "1/2-1/2"]
[ECO "A49"]
[WhiteElo "2268"]
[BlackElo "2153"]
[Annotator "ChessBase"]
[PlyCount "81"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} g6 {[%emt 0:00:17]} 3. g3 {[%emt 0:00:00]} Bg7 {[%emt 0:00:12]} 4. Bg2 {[%emt 0:00:00]} O-O {[%emt 0:00:16]} 5. O-O {[%emt 0:00:00]} d6 {[%emt 0:00:30]} 6. b3 {[%emt 0:00:00]} c6 {[%emt 0:03:09]} 7. Bb2 {[%emt 0:01:20]} Qa5 {[%emt 0:07:17]} 8. h3 {[%emt 0:11:58]} Qh5 {[%emt 0:05:50]} 9. g4 {[%emt 0:03:06]} Qa5 {[%emt 0:00:44]} 10. Qe1 {[%emt 0:08:40]} Qxe1 {[%emt 0:03:37]} 11. Rxe1 {[%emt 0:02:09]} h5 {[%emt 0:00:51]} 12. g5 {[%emt 0:01:19]} Ne4 {[%emt 0:02:47]} 13. Nbd2 {[%emt 0:08:32]} Bf5 {[%emt 0:14:00]} 14. Rad1 {[%emt 0:03:34]} Na6 {[%emt 0:06:01]} 15. c3 {[%emt 0:01:26]} Nc7 {[%emt 0:03:14]} 16. Bf1 {[%emt 0:01:34]} d5 {[%emt 0:04:39]} 17. Nxe4 {[%emt 0:01:33]} dxe4 {[%emt 0:00:43]} 18. Nh4 {[%emt 0:07:47]} Be6 {[%emt 0:01:24]} 19. Bg2 {[%emt 0:02:22]} a5 {[%emt 0:00:18]} 20. Ba3 {[%emt 0:05:36]} Rfe8 {[%emt 0:00:37]} 21. c4 {[%emt 0:02:07]} a4 {[%emt 0:02:57]} 22. Bc5 {[%emt 0:00:16]} Ra6 {[%emt 0:00:24]} 23. e3 {[%emt 0:01:29]} b6 {[%emt 0:05:27]} 24. Bb4 {[%emt 0:01:00]} axb3 {[%emt 0:00:36]} 25. axb3 {[%emt 0:00:06]} b5 {[%emt 0:00:13]} 26. Rc1 {[%emt 0:09:33]} bxc4 {[%emt 0:06:59]} 27. bxc4 {[%emt 0:01:08]} Ra4 {[%emt 0:02:46]} 28. Bc5 {[%emt 0:01:34]} Rxc4 {[%emt 0:03:52]} 29. Bxe4 {[%emt 0:01:08]} Rxc1 {[%emt 0:01:12]} 30. Rxc1 {[%emt 0:00:04]} Bd7 {[%emt 0:08:46]} 31. f4 {[%emt 0:00:58]} Nd5 {[%emt 0:00:51]} 32. f5 {[%emt 0:02:41]} gxf5 {[%emt 0:03:44]} 33. Bxf5 {[%emt 0:06:53]} e6 {[%emt 0:01:10]} 34. Be4 {[%emt 0:02:39]} Nxe3 {[%emt 0:00:57]} 35. Bf3 {[%emt 0:05:36]} e5 {[%emt 0:01:06]} 36. g6 {[%emt 0:00:55]} fxg6 {[%emt 0:02:16]} 37. dxe5 {[%emt 0:01:10]} Rxe5 {[%emt 0:00:31]} 38. Nxg6 {[%emt 0:02:57]} Rg5+ {[%emt 0:02:14]} 39. Kf2 {[%emt 0:00:45]} Rxg6 {[%emt 0:00:55]} 40. Bxe3 {[%emt 0:00:00]} Bxh3 {[%emt 0:00:00]} 41. Rxc6 {[%emt 0:00:29]} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.10"]
[Round "5.29"]
[White "Fritsche, Lutz"]
[Black "Bryson, Douglas M"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2321"]
[BlackElo "2334"]
[Annotator "TA"]
[PlyCount "126"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,126,44,46,43,57,55,45,45,56,22,31,11,25,14,18,-59,-64,-59,-55,-52,-62,-117,-109,-118,-112,-110,-106,-108,-102,-99,-100,-109,-98,-103,-105,-122,-122,-119,-122,-116,-115,-115,-114,-106,-89,-95,-89,-95,-96,-91,-89,-89,-89,-89,-98,-199,-210,-194,-133,-373,-361,-350,-347,-321,-205,-205,-205,-196,-147,-147,-147,-147,-147,-147,-147,-147,-147,-147,-147,-147,-147,-147,-147,-147,-147,-147,-147,-147,-147,-147,-147,-147,-147,-132,-129,-191,-191,-137,-9,-9,-10,-35,-38,-38,-38,-1006,-509,-29981,-29982,-29982,-29983,-29983,-29984,-29984,-29985,-29985,-29986,-29986,-29987]} 1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. f3 Bf5 5. Bb5+ c6 6. dxc6 {B01: Scandinavian Defence.} Nxc6 7. Ne2 Qb6 8. Bxc6+ {White is slightly better.} Qxc6 {[#]} 9. Nbc3 $146 ({Predecessor:} 9. c3 h5 10. Na3 h4 11. h3 e6 12. Nc2 Bd6 13. O-O Nh5 14. Ne3 Bg6 15. Re1 {½-½ (30) Ploscaru,S (2223)-Baroin,B (2246) ICCF email 2018}) 9... e6 10. Be3 Rd8 11. O-O Bb4 12. d5 ({White should play} 12. a3 $11 Ba5 13. Bg5) 12... Nxd5 $15 13. Nxd5 Rxd5 14. Nd4 Bc5 15. Re1 ({Better is} 15. f4 $1 $15) 15... Bxd4 $17 16. Bxd4 Bxc2 17. Qd2 Qc4 18. Rac1 {And now Re4 would win.} Qxd4+ 19. Qxd4 Rxd4 20. Rxc2 {[%mdl 4096] Endgame KRR-KRR} Ke7 21. Rc7+ Rd7 22. Rxd7+ Kxd7 {KR-KR} 23. Rd1+ Ke7 24. Rc1 Rd8 25. Rc2 e5 26. Kf2 Rd7 27. Ke3 Ke6 28. h4 h5 29. Rc8 Kf5 30. g3 g6 31. Rc5 f6 32. a4 (32. a3 $17 {might work better.}) 32... Rd4 $1 $19 33. Rb5 b6 (33... Rxa4 $19 34. Rxb7 a5) 34. b3 $2 {[#]} (34. a5 $17 {was the only defense.}) 34... Ke6 $1 {[%cal Re6f5]} 35. f4 Rd5 36. Rb4 Kd6 37. fxe5+ Rxe5+ 38. Kf3 Rc5 39. g4 Ke6 40. gxh5 Rxh5 41. Rg4 g5 42. hxg5 Rxg5 43. Rb4 Rh5 44. Kg4 Rd5 45. Kf4 Rd3 46. Rb5 Rd4+ 47. Ke3 Rd5 48. Rb4 Rh5 49. Kf3 Kd6 50. Kg4 Rg5+ 51. Kf4 Kc6 52. Ke3 (52. Kf3 $17) 52... a5 53. Rf4 (53. Rc4+ $19 Kd5 54. Kf3) 53... Rg3+ (53... f5 $17 {Hoping for ...Rg3+.} 54. Rf3 Rg4 55. Rxf5 Rb4 56. Rf6+ Kd5 57. Rf5+ {[#]} Ke6 $1 {[%mdl 512]}) 54. Kd4 $11 Rxb3 {...Rb4+ is the strong threat.} 55. Rxf6+ Kb7 {Threatens to win with ...Rb4+.} 56. Rf7+ $1 Ka6 {aiming for ...Rb4+.} 57. Rc7 $2 {[%mdl 8192]} (57. Rf4 $15) 57... Rb4+ $19 {[%mdl 64] Double Attack} 58. Rc4 {[#]} (58. Kc3 $19 Rxa4 59. Rg7) 58... b5 $1 {Black mates.} 59. Rxb4 axb4 60. axb5+ Kxb5 61. Kd3 Ka4 62. Kc2 Ka3 63. Kb1 Kb3 {Accuracy: White = 74%, Black = 87%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.10"]
[Round "5.30"]
[White "Farrell, Neil"]
[Black "Schulz, Klaus-Juergen"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2183"]
[BlackElo "2331"]
[Annotator "TA"]
[PlyCount "45"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,45,6,4,0,0,0,0,-3,0,-4,0,0,0,-12,43,-32,-22,-45,-3,-17,0,-22,-24,-28,-15,-39,40,44,282,270,267,260,271,254,870,870,29993,29994]} 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 a5 5. Bg2 O-O 6. e4 {E00: Catalan Bogo-Indian (3 g3 Bb4+).} d6 7. Ne2 e5 8. O-O {The position is equal.} Re8 9. d5 {[#]} Bd7 $146 ({Predecessor:} 9... Na6 10. Nbc3 c6 11. h3 cxd5 12. cxd5 Bc5 13. Kh2 Bd7 14. f4 b5 15. fxe5 Rxe5 {½-½ (70) Abdel Razik,K (2450)-Moiseenko,A (2709) Antalya 2013}) 10. Nbc3 h6 11. h3 a4 (11... Na6 $11) 12. f4 (12. a3 $14 Bc5 13. Qc2) 12... exf4 13. Bxf4 Nh7 14. Kh2 Nf8 15. Qd2 Ng6 16. a3 Bc5 17. e5 Nxf4 (17... Nxe5 $15 18. Bxe5 Rxe5) 18. Qxf4 $14 dxe5 $2 {This costs Black the game.} (18... Rf8 $14) 19. Qxf7+ $18 Kh8 {[#]} 20. Ne4 $1 {[%cal Re4c5]} Bf8 21. N2c3 Na6 $2 (21... Ra6 22. c5 Be7) 22. Qg6 Re7 {[#]} 23. Ng5 $1 {[%mdl 576] Clearance. Accuracy: White = 92%, Black = 49%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.10"]
[Round "5.31"]
[White "Maier, Christian"]
[Black "Grant, Jonathan I M"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2294"]
[BlackElo "2166"]
[Annotator "ChessBase"]
[PlyCount "80"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} c6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 3. e5 {[%emt 0:00:00]} Bf5 {[%emt 0:00:00]} 4. Nf3 {[%emt 0:00:30]} e6 {[%emt 0:00:00]} 5. Be2 {[%emt 0:00:05]} Nd7 {[%emt 0:00:46]} 6. O-O {[%emt 0:00:07]} h6 {[%emt 0:00:30]} 7. b3 {[%emt 0:00:09]} Ne7 {[%emt 0:01:03]} 8. c4 {[%emt 0:00:05]} Nc8 {[%emt 0:04:30]} 9. h3 {[%emt 0:03:00]} Be7 {[%emt 0:02:04]} 10. cxd5 {[%emt 0:00:20]} cxd5 {[%emt 0:01:56]} 11. Nc3 {[%emt 0:01:42]} Bb4 {[%emt 0:02:24]} 12. Bb2 {[%emt 0:00:19]} O-O {[%emt 0:04:26]} 13. Bd3 {[%emt 0:01:06]} Ne7 {[%emt 0:02:32]} 14. Ne2 {[%emt 0:00:47]} Bxd3 {[%emt 0:02:28]} 15. Qxd3 {[%emt 0:00:08]} Nc6 {[%emt 0:01:59]} 16. Nf4 {[%emt 0:00:40]} Rc8 {[%emt 0:03:12]} 17. a3 {[%emt 0:00:34]} Be7 {[%emt 0:00:51]} 18. Rfe1 {[%emt 0:00:07]} a5 {[%emt 0:01:45]} 19. Nh5 {[%emt 0:00:42]} a4 {[%emt 0:03:01]} 20. b4 {[%emt 0:00:04]} Bxb4 {[%emt 0:05:01]} 21. axb4 {[%emt 0:00:06]} Nxb4 {[%emt 0:00:19]} 22. Qb5 {[%emt 0:00:04]} Nc2 {[%emt 0:00:46]} 23. Qxa4 {[%emt 0:00:26]} Nxa1 {[%emt 0:09:57]} 24. Qxa1 {[%emt 0:00:21]} Qb6 {[%emt 0:02:59]} 25. Ba3 {[%emt 0:05:07]} Ra8 {[%emt 0:02:36]} 26. Qc1 {[%emt 0:02:16]} Rfc8 {[%emt 0:04:00]} 27. Qe3 {[%emt 0:00:46]} Qa5 {[%emt 0:02:28]} 28. Bd6 {[%emt 0:05:56]} Rc3 {[%emt 0:02:20]} 29. Qd2 {[%emt 0:01:18]} Rb3 {[%emt 0:09:11]} 30. Qxa5 {[%emt 0:09:37]} Rxa5 {[%emt 0:00:07]} 31. Rc1 {[%emt 0:00:05]} Ra8 {[%emt 0:02:13]} 32. Rc7 {[%emt 0:00:06]} Nf8 {[%emt 0:01:21]} 33. h4 {[%emt 0:00:32]} b5 {[%emt 0:05:32]} 34. Rb7 {[%emt 0:04:04]} Ng6 {[%emt 0:02:47]} 35. Kh2 {[%emt 0:18:22]} Rb2 {[%emt 0:03:57]} 36. Kg3 {[%emt 0:00:05]} Raa2 {[%emt 0:06:28]} 37. Rb8+ {[%emt 0:00:53]} Kh7 {[%emt 0:00:07]} 38. Rb7 {[%emt 0:00:05]} Kg8 {[%emt 0:04:53]} 39. Rb8+ {[%emt 0:01:01]} Kh7 {[%emt 0:00:16]} 40. Rb7 {[%emt 0:00:00]} Kg8 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.10"]
[Round "5.32"]
[White "Burnett, Andrew"]
[Black "Wolf, Volker"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "2138"]
[BlackElo "2278"]
[Annotator "TA"]
[PlyCount "139"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,139,37,14,32,29,29,30,35,29,30,26,27,35,54,12,12,20,30,20,16,25,18,0,0,0,0,0,0,0,0,0,0,0,35,28,25,30,60,47,49,54,98,91,97,98,98,101,100,88,120,81,85,89,76,22,20,-15,-14,-82,-81,-81,-53,-69,-68,-67,0,-114,-107,-96,-38,-43,-37,-82,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 e6 2. Nf3 Nf6 3. Bf4 c5 4. e3 b6 5. Nbd2 cxd4 6. exd4 Be7 7. h3 Bb7 8. Bd3 d6 {A47: 1 d4 Nf6 2 Nf3 b6: Torre, London and Colle Systems.} 9. O-O O-O 10. Re1 Re8 {White has an edge.} 11. Bh2 a6 12. a4 Nc6 {[%cal Bb8c6,Bc6e7,Be7d5][%mdl 32]} 13. c3 Bf8 14. Qe2 Ne7 15. Ng5 {[#] Black must now prevent Nxf7!} Ned5 $146 ({Predecessor:} 15... Ng6 16. Nde4 Nxe4 17. Nxe4 e5 18. Qh5 Qh4 19. Qxh4 Nxh4 20. dxe5 dxe5 {1-0 (39) Kovacevic,S (2420)-Marciano,D (2485) Suances 1997}) 16. Nde4 h6 17. Nxf6+ Nxf6 18. Ne4 Nxe4 19. Bxe4 Bxe4 20. Qxe4 d5 21. Qg4 b5 22. Bf4 Kh7 23. Re3 Qf6 24. Be5 Qe7 25. h4 $36 {[%mdl 2048] Black is under pressure.} g6 26. h5 g5 $1 27. Qe2 Qd7 28. f4 Be7 29. fxg5 Bxg5 30. Rf3 {Bf6 is the strong threat.} f5 31. Qd3 {Strongly threatening g4.} Rg8 32. Raf1 {[%cal Rf3f5] Rxf5! would kill now.} Raf8 33. axb5 axb5 34. Kh1 (34. b4 $16) 34... Bd8 35. Rf4 Rg5 36. Qh3 (36. Kg1 $11) 36... Rfg8 37. R4f2 Rg4 {And now ...Rh4 would win.} 38. Kg1 Rh4 39. Qd3 Rxh5 (39... Bc7 $15 40. Re2 Bxe5 41. Rxe5 Rxh5) 40. b3 (40. Ra1 $11 {keeps the balance.}) 40... Bc7 $17 {Threatens to win with ...Bxe5.} 41. Qe2 Rh4 (41... Rh3 $17 42. Rf3 Rh4) 42. Rf4 $1 $15 {[%cal Rf4h4]} Rxf4 43. Rxf4 Rg3 (43... Bxe5 $17 44. Qxe5 Qg7) 44. Bxc7 $11 {The position is equal.} Qxc7 {[%mdl 64] [#] Double Attack} 45. Rf3 Rxf3 46. Qxf3 {[%mdl 4096] Endgame KQ-KQ} Kg7 47. Qe3 Qd6 48. b4 Kg6 49. Qe2 Qc6 50. Qe3 Kh7 51. Kh1 Kg6 52. Qg3+ Kh7 53. Qe3 Qa6 54. Kh2 Qd6+ 55. Kh1 Kg6 56. Qe2 Qc6 57. Qe3 Qd7 58. Qg3+ Kh7 59. Qe3 Qe8 60. Qe2 Kg6 61. Qe3 h5 62. Qg3+ Kh7 63. Qc7+ Kg8 64. Qg3+ Kf7 65. Qg5 Qh8 66. Qg3 Qe8 67. Qc7+ Qe7 68. Qc6 Qh4+ 69. Kg1 Qe1+ 70. Kh2 {Accuracy: White = 88%, Black = 86%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.10"]
[Round "5.33"]
[White "Jackson, Sheila"]
[Black "Kozak, Milos"]
[Result "1/2-1/2"]
[ECO "B19"]
[WhiteElo "2085"]
[BlackElo "2174"]
[Annotator "ChessBase"]
[PlyCount "31"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} c6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:10]} dxe4 {[%emt 0:00:26]} 4. Nxe4 {[%emt 0:00:05]} Bf5 {[%emt 0:00:08]} 5. Ng3 {[%emt 0:00:06]} Bg6 {[%emt 0:00:03]} 6. h4 {[%emt 0:00:14]} h6 {[%emt 0:00:14]} 7. Nf3 {[%emt 0:00:04]} Nd7 {[%emt 0:00:43]} 8. h5 {[%emt 0:00:07]} Bh7 {[%emt 0:00:04]} 9. Bd3 {[%emt 0:00:05]} Bxd3 {[%emt 0:00:04]} 10. Qxd3 {[%emt 0:00:05]} e6 {[%emt 0:00:06]} 11. Bd2 {[%emt 0:01:28]} Qb6 {[%emt 0:00:18]} 12. O-O-O {[%emt 0:01:38]} Ngf6 {[%emt 0:00:12]} 13. Ne4 {[%emt 0:07:01]} Nxe4 {[%emt 0:02:10]} 14. Qxe4 {[%emt 0:00:06]} Nf6 {[%emt 0:00:08]} 15. Qe2 {[%emt 0:00:16]} Qb5 {[%emt 0:00:35]} 16. Qxb5 {[%emt 0:09:27]} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.10"]
[Round "5.34"]
[White "Bartos, Jan"]
[Black "Bellin, Jana M"]
[Result "1/2-1/2"]
[ECO "A56"]
[WhiteElo "2102"]
[BlackElo "2020"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,101,76,85,76,79,71,89,69,106,100,100,94,108,119,108,99,124,84,83,80,83,79,95,95,88,88,98,66,89,88,129,147,182,178,174,117,114,120,114,65,70,22,75,82,115,113,118,126,112,129,122,111,154,121,166,156,159,134,171,180,175,183,168,0,0,0,0,-116,33,35,43,0,0,0,0,0,0,0,0,0,0,0,16,0,34,39,43,6,81,95,242,228]} 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Bd3 a6 7. a3 {A56: Czech Benoni.} O-O 8. Nf3 Ne8 9. O-O {White is better.} Nd7 10. b4 b6 11. Rb1 g6 12. Bh6 Ng7 13. Qd2 Nf6 {[#]} 14. bxc5 $146 ({Predecessor:} 14. h3 Kh8 15. Rb2 Ng8 16. Bxg7+ Kxg7 17. bxc5 bxc5 18. Na4 Nf6 19. Nb6 Ra7 20. Rfb1 {1-0 (36) Piket,J (2410)-MacFarlane,D (2360) Oakham 1986}) 14... bxc5 15. h3 Bd7 16. Rb7 Rb8 17. Rxb8 Qxb8 18. Rb1 Qc8 19. Kh2 Kh8 20. Qb2 Ng8 21. Bd2 f5 22. Qb7 Nf6 23. Qxc8 (23. Qa7 $18) 23... Bxc8 $16 24. Rb6 Rd8 25. exf5 gxf5 26. Bc2 Nd7 (26... e4 $11) 27. Rc6 $36 {[%mdl 2048] Black must now prevent Ng5. Keeping Black busy.} Kg8 28. Bg5 Bxg5 29. Nxg5 Nf6 30. Na4 {Hoping for Nb6.} h6 31. Nf3 Nfe8 32. Nd2 a5 33. Rb6 Bd7 34. Rb7 {Threatens to win with Nb6.} f4 35. Nb6 Bf5 36. Bxf5 Nxf5 37. f3 $2 (37. Nd7 $18) 37... Nf6 $11 38. Nb3 a4 39. Na5 {[#]} (39. Nd2 $11) 39... Ne3 (39... Re8 $1 $17 40. Nd7 Nxd7 41. Rxd7 e4 42. fxe4 Rxe4) 40. Nc6 $14 Re8 41. g4 e4 42. Ne7+ Kf8 43. Ng6+ Kg8 44. Nxf4 exf3 {aiming for ...f2.} 45. Kg3 Ne4+ 46. Kxf3 Nd2+ {[%mdl 64] Double Attack} 47. Kg3 Nexc4 48. Nd7 {Nf6+ would kill now.} Ne4+ 49. Kh4 {And now Nh5 would win.} Ne5 ({Don't go for} 49... Nxa3 $2 50. Kh5 $18) (49... Ne3 $11 {keeps the balance.}) 50. Nxe5 $16 Rxe5 {[#]} (50... dxe5 $16 51. Ng6 Nd6) 51. Ng6 $1 {Accuracy: White = 77%, Black = 57%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.10"]
[Round "5.35"]
[White "Fink-Nunn, Petra"]
[Black "Trejbal, Stanislav"]
[Result "0-1"]
[ECO "C11"]
[WhiteElo "1983"]
[BlackElo "2092"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,106,0,46,41,45,43,37,31,47,32,39,13,27,0,0,-6,0,-10,-10,-28,19,3,14,8,29,13,37,5,53,14,37,34,60,23,28,14,14,13,20,13,22,10,14,0,31,4,18,22,53,15,20,0,0,-5,-16,-15,-9,-22,0,0,0,0,54,0,0,-52,-25,-95,-94,-120,-122,-125,-66,-90,-23,-130,-121,-585,-287,-335,-6,-708,-830,-794,-727,-668,-572,-544,-443,-577,-531,-637,-610,-12830,-2905,-29995,-29996,-29998,-29999]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 g6 6. Nf3 {C11: French: Classical System: 4 e5 and 4 Bg5 dxe4.} c5 7. Be3 a6 8. Qd2 {White is slightly better.} Nc6 9. dxc5 Bxc5 10. O-O-O b5 11. Bxc5 Nxc5 {[#]} 12. Nd4 $146 ({Predecessor:} 12. Bd3 Qa5 13. Kb1 Bb7 14. Rhe1 O-O-O 15. Qf2 Qb6 16. Ne2 Rd7 17. g4 h5 18. h3 {1-0 (47) Lagunov,E (2240)-Tazlaoanu,C (1901) Bucharest 2019}) 12... Qb6 13. Nxc6 Qxc6 14. Bd3 Bb7 15. Ne2 Qb6 16. Kb1 O-O-O 17. Nd4 Kb8 18. Qe3 Na4 19. Rhe1 Rc8 20. g4 Qc5 21. Bf1 h5 22. h3 hxg4 23. hxg4 Rh2 {[%cal Rh2c2] Hoping for ...Rxc2.} 24. Re2 Rh1 25. Red2 Rch8 26. Rd3 Rc8 27. Bg2 Rh2 (27... Qb4 $5 28. Nb3 $8 Qc4 $11) 28. Qg3 Rh7 ({Avoid the trap} 28... Qb4 $2 29. Rb3 $18) 29. R3d2 b4 {And now ...Nxb2! would win.} 30. Rd3 a5 $40 {[%mdl 128] Black is up to no good.} 31. Rc1 Ba6 32. Nb3 Qb6 33. Rd2 Bc4 34. f5 gxf5 35. gxf5 Bxb3 (35... Rhh8 $11) 36. axb3 (36. cxb3 $14 Rxc1+ 37. Kxc1 Qc5+ 38. Kd1 Qg1+ 39. Kc2 Qc5+ 40. Kd3 (40. Kd1 Qg1+ 41. Kc2 Qc5+ 42. Kd3 Nxb2+ 43. Ke2 Rh5 $16) 40... Nxb2+ 41. Ke2) 36... Nc5 $11 37. f6 (37. Rf1 $11) 37... Rh5 38. Bf3 (38. Rdd1 $11) 38... Rf5 $1 $17 39. Re1 Qc7 $1 40. Rde2 {[#]} Nd7 (40... Rxf6 $1 $17 {[%mdl 512]} 41. Qg4 (41. exf6 Qxg3) 41... Rg6) 41. Bg2 {[#]} Nxf6 ({Better is} 41... Rxf6 $1 $17 {[%mdl 512]} 42. Qd3 (42. exf6 Qxg3) 42... Rf4) 42. Bh3 (42. Qd3 $11 {keeps the balance.} Nh5 43. Bh3) 42... Ne4 43. Rxe4 $2 {[%mdl 8192]} (43. Qd3 $17 Rxe5 44. Bg2) 43... dxe4 (43... Qxc2+ $142 44. Ka2 Rf2) 44. Bxf5 exf5 $2 {[%mdl 4096] Endgame KQR-KQR} ({Black should play} 44... Qxc2+ $19 45. Ka1 exf5) 45. Qf4 $2 {[%mdl 8192]} (45. Qf2 $11) 45... Qxc2+ $19 {[%mdl 64] Double Attack} 46. Ka1 Qxb3 47. e6+ Kb7 {( -> ...Qa4+)} 48. Qxf5 Qxe6 (48... Qa4+ $2 49. Kb1 $17) 49. Qb5+ Qb6 50. Qd5+ Qc6 51. Qxf7+ Rc7 52. Qf5 b3 ({Weaker is} 52... Qa4+ 53. Kb1 $17) 53. Qxa5 {[#]} Qc1+ $1 {[%mdl 576] Back Rank. Accuracy: White = 48%, Black = 67%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.10"]
[Round "5.36"]
[White "Chaloupka, Frantisek"]
[Black "Frostick, Helen M"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "1990"]
[BlackElo "1858"]
[Annotator "ChessBase"]
[PlyCount "67"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 3. Nd2 {[%emt 0:01:27]} dxe4 {[%emt 0:00:32]} 4. Nxe4 {[%emt 0:00:32]} Nd7 {[%emt 0:00:35]} 5. Nf3 {[%emt 0:01:23]} Ngf6 {[%emt 0:00:32]} 6. Bg5 {[%emt 0:03:18]} Be7 {[%emt 0:00:15]} 7. Nxf6+ {[%emt 0:00:34]} Nxf6 {[%emt 0:04:56]} 8. c3 {[%emt 0:04:34]} h6 {[%emt 0:11:32]} 9. Bxf6 {[%emt 0:02:12]} Bxf6 {[%emt 0:00:19]} 10. Bc4 {[%emt 0:03:00]} Qe7 {[%emt 0:06:41]} 11. O-O {[%emt 0:01:14]} O-O {[%emt 0:00:34]} 12. Re1 Rd8 {[%emt 0:10:36]} 13. Qc2 {[%emt 0:08:30]} Qd6 14. Rad1 c6 {[%emt 0:09:23]} 15. a4 {[%emt 0:06:55]} a5 {[%emt 0:00:33]} 16. Ba2 {[%emt 0:07:18]} Bd7 {[%emt 0:03:51]} 17. Bb1 {[%emt 0:02:22]} g6 {[%emt 0:00:28]} 18. Ne5 {[%emt 0:01:28]} Bxe5 {[%emt 0:02:01]} 19. Rxe5 {[%emt 0:00:34]} c5 {[%emt 0:05:37]} 20. Rxc5 {[%emt 0:08:13]} b6 {[%emt 0:00:16]} 21. Re5 {[%emt 0:00:19]} Rac8 {[%emt 0:00:23]} 22. Rde1 {[%emt 0:02:32]} Qc6 {[%emt 0:00:22]} 23. h4 {[%emt 0:03:34]} Qxa4 {[%emt 0:01:40]} 24. Qd3 {[%emt 0:01:36]} Qc4 {[%emt 0:03:45]} 25. Qg3 {[%emt 0:02:16]} Kg7 {[%emt 0:03:28]} 26. h5 {[%emt 0:07:19]} g5 {[%emt 0:01:43]} 27. Rxg5+ {[%emt 0:03:22]} hxg5 {[%emt 0:16:25]} 28. Qxg5+ {[%emt 0:00:13]} Kf8 {[%emt 0:00:08]} 29. Qf6 {[%emt 0:05:30]} Bb5 {[%emt 0:07:35]} 30. Bg6 {[%emt 0:02:53]} Rd7 {[%emt 0:02:51]} 31. h6 {[%emt 0:00:45]} Ke8 {[%emt 0:03:06]} 32. h7 {[%emt 0:08:03]} Re7 {[%emt 0:01:18]} 33. h8=Q+ {[%emt 0:00:18]} Kd7 {[%emt 0:00:01]} 34. Qhh4 {[%emt 0:00:27]} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.10"]
[Round "5.37"]
[White "Pekarek, Ales"]
[Black "Goldinger, Peter"]
[Result "1-0"]
[ECO "A08"]
[WhiteElo "2274"]
[BlackElo "2052"]
[Annotator "ChessBase"]
[PlyCount "59"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. Nf3 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 2. g3 {[%emt 0:00:00]} c5 {[%emt 0:00:02]} 3. Bg2 {[%emt 0:00:00]} Nc6 {[%emt 0:00:05]} 4. d4 {[%emt 0:00:13]} e6 {[%emt 0:01:51]} 5. O-O {[%emt 0:00:15]} Nf6 {[%emt 0:01:14]} 6. c4 {[%emt 0:05:58]} cxd4 {[%emt 0:06:00]} 7. Nxd4 {[%emt 0:00:47]} Be7 {[%emt 0:00:09]} 8. Nc3 {[%emt 0:02:04]} O-O {[%emt 0:01:19]} 9. cxd5 {[%emt 0:05:36]} exd5 {[%emt 0:03:47]} 10. Bf4 {[%emt 0:03:51]} a6 {[%emt 0:01:08]} 11. Rc1 {[%emt 0:01:10]} Be6 {[%emt 0:00:46]} 12. Nxe6 {[%emt 0:06:20]} fxe6 {[%emt 0:00:09]} 13. Na4 {[%emt 0:03:48]} Re8 {[%emt 0:10:33]} 14. Be3 {[%emt 0:05:53]} Nd7 {[%emt 0:04:08]} 15. f4 {[%emt 0:06:56]} g6 {[%emt 0:07:42]} 16. Bf2 {[%emt 0:00:28]} Nf6 {[%emt 0:13:09]} 17. Bb6 {[%emt 0:03:57]} Qb8 {[%emt 0:01:27]} 18. Kh1 {[%emt 0:11:16]} Bd8 {[%emt 0:01:03]} 19. Bg1 {[%emt 0:00:27]} Na5 {[%emt 0:03:36]} 20. b3 {[%emt 0:06:52]} b5 {[%emt 0:04:38]} 21. Nc5 {[%emt 0:00:09]} Bb6 {[%emt 0:05:05]} 22. Bd4 {[%emt 0:01:17]} Bxc5 {[%emt 0:00:44]} 23. Rxc5 {[%emt 0:01:50]} Nd7 {[%emt 0:02:17]} 24. Rc1 {[%emt 0:03:43]} Qb7 {[%emt 0:03:02]} 25. Bb2 {[%emt 0:05:27]} Qb6 {[%emt 0:03:16]} 26. e4 {[%emt 0:03:07]} Qd6 {[%emt 0:04:13]} 27. exd5 {[%emt 0:02:33]} e5 {[%emt 0:00:24]} 28. fxe5 {[%emt 0:04:43]} Nxe5 {[%emt 0:00:36]} 29. Qd4 {[%emt 0:00:17]} Rad8 {[%emt 0:05:44]} 30. Rfe1 {[%emt 0:00:43]} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.10"]
[Round "5.38"]
[White "Klaiss, Thomas"]
[Black "Sorm, Daniel"]
[Result "0-1"]
[ECO "D04"]
[WhiteElo "1991"]
[BlackElo "2328"]
[Annotator "ChessBase"]
[PlyCount "72"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:08]} 3. e3 {[%emt 0:00:42]} c5 {[%emt 0:00:54]} 4. c3 {[%emt 0:01:04]} e6 {[%emt 0:00:44]} 5. Nbd2 {[%emt 0:00:27]} b6 {[%emt 0:04:04]} 6. Bb5+ {[%emt 0:02:10]} Nbd7 {[%emt 0:02:15]} 7. Ne5 {[%emt 0:00:54]} Bd6 {[%emt 0:03:04]} 8. f4 {[%emt 0:00:16]} O-O {[%emt 0:09:02]} 9. O-O {[%emt 0:00:30]} Ne8 {[%emt 0:01:48]} 10. Qg4 {[%emt 0:04:46]} f5 {[%emt 0:06:47]} 11. Qh3 {[%emt 0:03:56]} Ndf6 {[%emt 0:02:38]} 12. Ndf3 {[%emt 0:01:41]} a5 {[%emt 0:11:27]} 13. Bd2 {[%emt 0:12:04]} Ba6 {[%emt 0:02:52]} 14. Bxa6 {[%emt 0:00:55]} Rxa6 {[%emt 0:00:05]} 15. Ng5 {[%emt 0:00:24]} Qc8 {[%emt 0:02:50]} 16. Rae1 {[%emt 0:03:57]} Ra7 {[%emt 0:06:13]} 17. Kh1 {[%emt 0:06:07]} g6 {[%emt 0:00:43]} 18. Rd1 {[%emt 0:09:40]} c4 {[%emt 0:05:28]} 19. Ngf3 {[%emt 0:01:58]} b5 {[%emt 0:03:35]} 20. g4 {[%emt 0:01:51]} Bxe5 {[%emt 0:06:35]} 21. Nxe5 {[%emt 0:00:24]} Nxg4 {[%emt 0:00:08]} 22. Nxg4 {[%emt 0:00:24]} fxg4 {[%emt 0:00:06]} 23. Qxg4 Nf6 24. Qg2 {[%emt 0:13:25]} Ne4 {[%emt 0:01:09]} 25. a3 {[%emt 0:02:41]} Rg7 {[%emt 0:00:40]} 26. Be1 Qe8 27. Bh4 {[%emt 0:07:29]} Rf5 {[%emt 0:01:26]} 28. Rf3 {[%emt 0:01:29]} Qf8 {[%emt 0:00:51]} 29. Rdf1 {[%emt 0:00:50]} b4 {[%emt 0:00:19]} 30. cxb4 {[%emt 0:02:48]} axb4 {[%emt 0:00:44]} 31. axb4 {[%emt 0:00:07]} Qxb4 {[%emt 0:00:27]} 32. Be1 {[%emt 0:00:12]} Qb3 {[%emt 0:01:42]} 33. Ba5 {[%emt 0:01:54]} Ra7 {[%emt 0:05:53]} 34. Bc3 {[%emt 0:05:11]} Ra2 {[%emt 0:06:42]} 35. Qh3 {[%emt 0:01:17]} Qc2 {[%emt 0:02:11]} 36. Qh4 {[%emt 0:00:21]} Nxc3 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.10"]
[Round "5.39"]
[White "Mudrak, Josef"]
[Black "Mueller, Thomas"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "2213"]
[BlackElo "2025"]
[Annotator "ChessBase"]
[PlyCount "71"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:07]} g6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:10]} Bg7 {[%emt 0:00:00]} 4. e4 {[%emt 0:00:27]} d6 {[%emt 0:00:00]} 5. Nf3 {[%emt 0:00:37]} O-O {[%emt 0:00:32]} 6. h3 {[%emt 0:00:25]} Nbd7 {[%emt 0:04:06]} 7. Be3 {[%emt 0:05:44]} e5 {[%emt 0:00:07]} 8. d5 {[%emt 0:01:16]} Nc5 {[%emt 0:02:11]} 9. Qc2 {[%emt 0:02:29]} a5 {[%emt 0:00:19]} 10. g4 {[%emt 0:00:22]} Ne8 {[%emt 0:03:41]} 11. Rg1 {[%emt 0:06:45]} Kh8 {[%emt 0:11:02]} 12. O-O-O {[%emt 0:05:19]} Bd7 {[%emt 0:16:44]} 13. Be2 {[%emt 0:08:35]} f5 {[%emt 0:06:44]} 14. gxf5 {[%emt 0:01:46]} gxf5 {[%emt 0:00:15]} 15. Ng5 {[%emt 0:03:39]} Qf6 {[%emt 0:12:33]} 16. exf5 {[%emt 0:14:35]} Bxf5 {[%emt 0:05:29]} 17. Nge4 {[%emt 0:00:15]} Nxe4 {[%emt 0:00:10]} 18. Nxe4 {[%emt 0:00:11]} Qf7 {[%emt 0:01:01]} 19. Bg4 {[%emt 0:03:32]} Bxe4 {[%emt 0:06:44]} 20. Qxe4 {[%emt 0:01:20]} Nf6 {[%emt 0:00:14]} 21. Qc2 {[%emt 0:01:24]} Nxg4 {[%emt 0:00:19]} 22. hxg4 {[%emt 0:01:08]} Qg6 {[%emt 0:02:56]} 23. Rh1 {[%emt 0:00:54]} e4 {[%emt 0:02:15]} 24. g5 {[%emt 0:04:28]} c6 {[%emt 0:09:43]} 25. Rh4 {[%emt 0:04:17]} Rae8 {[%emt 0:00:58]} 26. Kb1 {[%emt 0:01:51]} Kg8 {[%emt 0:00:53]} 27. Qd2 {[%emt 0:01:16]} c5 {[%emt 0:02:06]} 28. Qxa5 {[%emt 0:01:58]} Rxf2 {[%emt 0:00:33]} 29. Bxf2 {[%emt 0:05:14]} e3+ {[%emt 0:00:09]} 30. Kc1 {[%emt 0:01:30]} Qxg5 {[%emt 0:03:41]} 31. Be1 {[%emt 0:02:56]} e2+ {[%emt 0:07:03]} 32. Rd2 {[%emt 0:00:23]} Qg1 {[%emt 0:01:22]} 33. Rc2 {[%emt 0:00:51]} Bd4 {[%emt 0:01:55]} 34. Kb1 {[%emt 0:01:15]} b6 {[%emt 0:00:19]} 35. Qd2 {[%emt 0:00:51]} Be3 {[%emt 0:00:02]} 36. Qxe2 {[%emt 0:00:23]} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.10"]
[Round "5.40"]
[White "Dieterle-Bard, Bernhard"]
[Black "Vrana, Frantisek"]
[Result "0-1"]
[ECO "A88"]
[WhiteElo "1865"]
[BlackElo "2231"]
[Annotator "ChessBase"]
[PlyCount "46"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} f5 {[%emt 0:00:00]} 2. c4 {[%emt 0:01:24]} Nf6 {[%emt 0:00:00]} 3. Nf3 {[%emt 0:00:51]} g6 {[%emt 0:00:03]} 4. Nc3 {[%emt 0:01:42]} Bg7 {[%emt 0:00:08]} 5. g3 {[%emt 0:00:36]} O-O {[%emt 0:00:15]} 6. Bg2 {[%emt 0:00:17]} d6 {[%emt 0:00:20]} 7. O-O {[%emt 0:00:56]} c6 {[%emt 0:01:35]} 8. Qc2 {[%emt 0:07:50]} Na6 {[%emt 0:01:13]} 9. a3 {[%emt 0:03:10]} Qe8 {[%emt 0:01:58]} 10. d5 {[%emt 0:07:24]} e5 {[%emt 0:03:20]} 11. dxe6 {[%emt 0:03:26]} Bxe6 {[%emt 0:00:13]} 12. Bf4 {[%emt 0:09:25]} Qe7 {[%emt 0:02:46]} 13. Rad1 {[%emt 0:00:26]} Rad8 {[%emt 0:00:41]} 14. b3 {[%emt 0:01:47]} Nc5 {[%emt 0:03:15]} 15. Nd2 {[%emt 0:08:49]} Nh5 {[%emt 0:04:30]} 16. Be3 {[%emt 0:11:34]} f4 {[%emt 0:09:58]} 17. Bxc5 {[%emt 0:09:09]} dxc5 {[%emt 0:00:19]} 18. e4 {[%emt 0:00:53]} Bd4 {[%emt 0:08:58]} 19. Kh1 {[%emt 0:05:55]} fxg3 {[%emt 0:03:52]} 20. fxg3 {[%emt 0:02:40]} Nxg3+ {[%emt 0:00:26]} 21. hxg3 {[%emt 0:01:33]} Qg7 {[%emt 0:00:59]} 22. Bf3 {[%emt 0:06:32]} Qh6+ {[%emt 0:00:34]} 23. Kg2 {[%emt 0:00:29]} Qh3# {[%emt 0:00:08]} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.10"]
[Round "5.41"]
[White "Richtrova, Eliska"]
[Black "Dahl, Fredrik A"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2192"]
[Annotator "ChessBase"]
[PlyCount "48"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:07]} 2. Nf3 {[%emt 0:00:00]} c5 {[%emt 0:00:25]} 3. g3 {[%emt 0:00:20]} e6 {[%emt 0:00:28]} 4. Bg2 {[%emt 0:00:12]} Nc6 {[%emt 0:00:14]} 5. O-O {[%emt 0:00:29]} Nf6 {[%emt 0:00:13]} 6. a3 {[%emt 0:01:38]} cxd4 {[%emt 0:06:39]} 7. Nxd4 {[%emt 0:00:08]} Bc5 {[%emt 0:00:27]} 8. Nxc6 {[%emt 0:14:04]} bxc6 {[%emt 0:00:35]} 9. c4 {[%emt 0:00:04]} O-O {[%emt 0:05:15]} 10. b4 {[%emt 0:01:14]} Be7 {[%emt 0:00:15]} 11. Nc3 {[%emt 0:01:51]} Bb7 {[%emt 0:04:59]} 12. Qb3 {[%emt 0:06:26]} Rb8 {[%emt 0:10:55]} 13. Rd1 {[%emt 0:07:36]} Ba6 {[%emt 0:04:46]} 14. cxd5 {[%emt 0:05:39]} cxd5 {[%emt 0:13:45]} 15. Be3 {[%emt 0:14:59]} Bc4 {[%emt 0:02:00]} 16. Qa4 {[%emt 0:00:12]} a6 {[%emt 0:02:30]} 17. Rac1 {[%emt 0:03:51]} Nd7 {[%emt 0:01:46]} 18. Rd2 {[%emt 0:02:27]} Bf6 {[%emt 0:01:33]} 19. Ne4 {[%emt 0:08:17]} Bb5 {[%emt 0:01:31]} 20. Nxf6+ {[%emt 0:00:05]} Qxf6 {[%emt 0:00:50]} 21. Qc2 {[%emt 0:04:13]} Nb6 {[%emt 0:05:19]} 22. Bxb6 {[%emt 0:03:43]} Rxb6 {[%emt 0:00:10]} 23. Qc7 {[%emt 0:00:21]} Rbb8 {[%emt 0:01:36]} 24. e3 {[%emt 0:04:34]} Qd8 {[%emt 0:10:50]} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.10"]
[Round "5.42"]
[White "Berg, Anders Hoyer"]
[Black "Svobodova, Michaela"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2036"]
[BlackElo "1988"]
[Annotator "ChessBase"]
[PlyCount "75"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 g6 5. Nf3 Bg7 6. dxc5 Qxc5 7. Be3 Qc7 8. Be2 Nf6 9. O-O O-O 10. Na3 a6 11. Nc4 Nbd7 12. a4 b6 13. a5 bxa5 14. Nxa5 Rb8 15. Qc1 Nd5 16. Bg5 Nc5 17. Rd1 e6 18. Qc2 Nf4 19. Bxf4 Qxf4 20. Nc6 Rb7 21. b4 Rc7 22. Ncd4 Nd7 23. Bxa6 Bxa6 24. Rxa6 e5 25. Nb5 Rb7 26. Nd6 Rc7 27. Nb5 Rb7 28. Qd2 Qc4 29. Nd6 Qxa6 30. Nxb7 Qxb7 31. Qxd7 Qxd7 32. Rxd7 Rc8 33. Kf1 f6 34. b5 Rxc3 35. b6 Rb3 36. b7 Bf8 37. Nd2 Rb4 38. Ne4 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.10"]
[Round "5.43"]
[White "Cejkova, Miroslava"]
[Black "Johnsen, Sylvia"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "1998"]
[BlackElo "1853"]
[Annotator "ChessBase"]
[PlyCount "81"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:00]} 3. Bc4 {[%emt 0:00:00]} Bc5 {[%emt 0:00:00]} 4. c3 {[%emt 0:00:10]} Nf6 {[%emt 0:00:02]} 5. d3 {[%emt 0:00:05]} O-O {[%emt 0:00:12]} 6. O-O {[%emt 0:00:24]} d5 {[%emt 0:00:18]} 7. exd5 {[%emt 0:02:27]} Nxd5 {[%emt 0:00:08]} 8. Re1 {[%emt 0:01:21]} Nb6 {[%emt 0:24:24]} 9. Bb3 {[%emt 0:07:08]} a5 {[%emt 0:05:26]} 10. a4 {[%emt 0:23:49]} Bg4 {[%emt 0:02:08]} 11. h3 {[%emt 0:04:21]} Bh5 {[%emt 0:02:36]} 12. Qe2 {[%emt 0:08:42]} Kh8 {[%emt 0:08:32]} 13. Nbd2 {[%emt 0:00:56]} f6 {[%emt 0:04:31]} 14. Ne4 {[%emt 0:00:46]} Nd7 {[%emt 0:01:03]} 15. Be3 {[%emt 0:11:08]} Ba7 {[%emt 0:04:41]} 16. Bxa7 {[%emt 0:03:47]} Rxa7 {[%emt 0:00:23]} 17. Ng3 {[%emt 0:08:56]} Bg6 {[%emt 0:03:50]} 18. Nh4 {[%emt 0:02:08]} Bf7 {[%emt 0:02:54]} 19. Bxf7 {[%emt 0:00:14]} Rxf7 {[%emt 0:00:10]} 20. Qh5 {[%emt 0:00:20]} Kg8 {[%emt 0:00:30]} 21. Ngf5 {[%emt 0:02:05]} Ne7 {[%emt 0:09:38]} 22. d4 {[%emt 0:03:55]} b6 {[%emt 0:05:04]} 23. Rad1 {[%emt 0:00:25]} Qf8 {[%emt 0:01:50]} 24. Qg4 {[%emt 0:10:06]} Nxf5 {[%emt 0:00:52]} 25. Nxf5 {[%emt 0:00:17]} Kh8 {[%emt 0:02:40]} 26. Qh4 {[%emt 0:02:16]} Ra8 {[%emt 0:00:24]} 27. f4 {[%emt 0:01:31]} Re8 {[%emt 0:00:56]} 28. g4 {[%emt 0:03:35]} e4 {[%emt 0:01:28]} 29. Ne3 {[%emt 0:00:22]} Qd6 {[%emt 0:02:37]} 30. Qf2 {[%emt 0:00:21]} Qc6 {[%emt 0:01:23]} 31. Qc2 {[%emt 0:00:18]} g6 {[%emt 0:02:21]} 32. f5 {[%emt 0:00:32]} Qd6 {[%emt 0:00:40]} 33. Qf2 {[%emt 0:00:34]} c6 {[%emt 0:00:48]} 34. Re2 {[%emt 0:00:52]} b5 {[%emt 0:00:50]} 35. axb5 {[%emt 0:00:53]} cxb5 {[%emt 0:00:11]} 36. Ra1 {[%emt 0:00:25]} a4 {[%emt 0:00:22]} 37. Qh2 {[%emt 0:00:46]} Qc6 {[%emt 0:00:51]} 38. Qf4 {[%emt 0:00:18]} Nb6 {[%emt 0:01:06]} 39. Rae1 {[%emt 0:01:19]} g5 {[%emt 0:05:25]} 40. Qg3 {[%emt 0:00:00]} Nd5 {[%emt 0:00:00]} 41. Nxd5 {[%emt 0:07:53]} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.10"]
[Round "5.44"]
[White "Harstad, Christian"]
[Black "Taborska, Veronika"]
[Result "0-1"]
[ECO "D45"]
[WhiteElo "1854"]
[BlackElo "1995"]
[Annotator "ChessBase"]
[PlyCount "40"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 {[%emt 0:00:29]} 5. Nf3 {[%emt 0:00:23]} Bd6 {[%emt 0:01:29]} 6. Qc2 {[%emt 0:00:15]} Nbd7 {[%emt 0:11:36]} 7. g4 {[%emt 0:06:32]} dxc4 8. g5 {[%emt 0:00:40]} Nd5 {[%emt 0:01:30]} 9. Bxc4 {[%emt 0:03:03]} N7b6 {[%emt 0:10:30]} 10. Be2 {[%emt 0:02:22]} Qe7 {[%emt 0:18:54]} 11. Bd2 {[%emt 0:03:33]} Nxc3 {[%emt 0:00:13]} 12. Bxc3 {[%emt 0:01:38]} Nd5 {[%emt 0:03:17]} 13. O-O-O Bd7 14. h4 {[%emt 0:08:47]} Nxc3 {[%emt 0:05:36]} 15. Qxc3 {[%emt 0:02:00]} O-O-O {[%emt 0:05:54]} 16. Kb1 {[%emt 0:02:36]} Kb8 {[%emt 0:00:59]} 17. Rc1 {[%emt 0:09:08]} f6 {[%emt 0:02:20]} 18. Nd2 {[%emt 0:07:29]} e5 {[%emt 0:05:57]} 19. Nc4 {[%emt 0:07:26]} exd4 {[%emt 0:02:28]} 20. Qxd4 {[%emt 0:03:37]} Bf5+ 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.10"]
[Round "5.45"]
[White "Schweitzer, Andreas"]
[Black "Frostick, Clive A"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "2290"]
[BlackElo "2082"]
[Annotator "ChessBase"]
[PlyCount "46"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} e6 {[%emt 0:00:38]} 3. d4 {[%emt 0:00:01]} cxd4 {[%emt 0:00:21]} 4. Nxd4 {[%emt 0:00:02]} Nf6 {[%emt 0:00:15]} 5. Nc3 {[%emt 0:00:21]} Nc6 {[%emt 0:00:29]} 6. Ndb5 {[%emt 0:00:59]} Bb4 {[%emt 0:01:24]} 7. a3 {[%emt 0:00:36]} Bxc3+ {[%emt 0:00:31]} 8. Nxc3 {[%emt 0:00:02]} d5 {[%emt 0:00:41]} 9. exd5 {[%emt 0:00:18]} exd5 {[%emt 0:00:51]} 10. Bd3 {[%emt 0:00:20]} O-O {[%emt 0:00:41]} 11. O-O {[%emt 0:01:41]} h6 {[%emt 0:02:08]} 12. h3 {[%emt 0:13:04]} d4 {[%emt 0:27:11]} 13. Ne2 {[%emt 0:15:16]} Qd5 {[%emt 0:01:40]} 14. Nf4 {[%emt 0:02:45]} Qd6 {[%emt 0:03:29]} 15. Nh5 {[%emt 0:04:20]} Qe5 {[%emt 0:25:47]} 16. Nxf6+ {[%emt 0:05:37]} Qxf6 {[%emt 0:00:15]} 17. Re1 {[%emt 0:00:23]} Bd7 {[%emt 0:02:47]} 18. Be4 {[%emt 0:10:42]} Rfe8 {[%emt 0:04:48]} 19. Bd2 {[%emt 0:03:34]} Bf5 {[%emt 0:04:24]} 20. Bxf5 {[%emt 0:07:45]} Qxf5 {[%emt 0:00:23]} 21. c3 {[%emt 0:01:28]} Rad8 {[%emt 0:05:17]} 22. Rxe8+ {[%emt 0:01:27]} Rxe8 {[%emt 0:00:02]} 23. cxd4 {[%emt 0:00:13]} Nxd4 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.10"]
[Round "5.46"]
[White "Fraser-Mitchell, Jeremy N"]
[Black "Schulenburg, Bernd"]
[Result "1/2-1/2"]
[ECO "E20"]
[WhiteElo "2059"]
[BlackElo "2175"]
[Annotator "ChessBase"]
[PlyCount "81"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 c5 5. d5 d6 6. e4 exd5 7. cxd5 O-O 8. Bd3 b5 9. Nge2 a6 10. O-O Nbd7 11. Be3 Re8 12. Bf2 Ne5 13. a3 Ba5 14. b4 Nxd3 15. Qxd3 cxb4 16. axb4 Bxb4 17. Nxb5 a5 18. Nbd4 Ba6 19. Qb3 Qd7 20. Rfc1 Rec8 21. Be3 Qe8 22. Kf2 Bxe2 23. Kxe2 Rxc1 24. Rxc1 Bc5 25. Nc6 a4 26. Qa2 Nd7 27. Bf4 f6 28. Rb1 Kf7 29. Nb4 Ne5 30. Nd3 Nxd3 31. Kxd3 Qc8 32. Qc4 a3 33. Ra1 Qb7 34. Bc1 Ra5 35. Kc2 Rb5 36. Ra2 Qb6 37. Qa4 Rb4 38. Qd7+ Kf8 39. Qc8+ Ke7 40. Qe6+ Kf8 41. Qc8+ 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.10"]
[Round "5.47"]
[White "Berndt, Matthias"]
[Black "Thurstan, Tim M"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "2098"]
[BlackElo "1987"]
[Annotator "ChessBase"]
[PlyCount "72"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 c5 5. g3 Be7 6. Bg2 b5 7. O-O Nc6 8. exd5 exd5 9. d4 c4 10. Ne5 Bb7 11. Ndf3 O-O 12. c3 Rc8 13. h4 Ne4 14. Bh3 f5 15. Bf4 a5 16. a3 Ra8 17. Ne1 b4 18. Nxc6 Bxc6 19. axb4 axb4 20. cxb4 Bxb4 21. Nc2 Ba4 22. Bxf5 Rxf5 23. Rxa4 Rxa4 24. Ne3 Ra2 25. Nxf5 Rxb2 26. Qg4 Qf8 27. Be5 Nf6 28. Qf3 Rb3 29. Qf4 Ba3 30. Ra1 c3 31. Kg2 c2 32. Rxa3 Qxa3 33. Qg5 Qf8 34. Bd6 Ne4 35. Ne7+ Kh8 36. Ng6+ Kg8 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.10"]
[Round "5.48"]
[White "Lawrence, Paul"]
[Black "Haentsch, Ralf"]
[Result "1/2-1/2"]
[ECO "A22"]
[WhiteElo "1894"]
[BlackElo "2087"]
[Annotator "ChessBase"]
[PlyCount "39"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. c4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. Nc3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 3. g3 {[%emt 0:00:01]} Bb4 {[%emt 0:01:04]} 4. Bg2 {[%emt 0:03:04]} Bxc3 {[%emt 0:01:23]} 5. bxc3 d6 {[%emt 0:00:17]} 6. Rb1 {[%emt 0:08:04]} Nc6 {[%emt 0:03:21]} 7. Nf3 {[%emt 0:03:32]} O-O {[%emt 0:00:51]} 8. d3 Rb8 {[%emt 0:04:18]} 9. O-O {[%emt 0:10:41]} h6 {[%emt 0:03:39]} 10. Qc2 {[%emt 0:07:27]} Be6 {[%emt 0:04:11]} 11. Rd1 {[%emt 0:07:42]} Qc8 {[%emt 0:07:12]} 12. Ba3 {[%emt 0:06:08]} b6 {[%emt 0:03:59]} 13. e4 {[%emt 0:08:31]} Re8 {[%emt 0:08:06]} 14. Qa4 {[%emt 0:07:05]} Bd7 {[%emt 0:01:10]} 15. Qc2 {[%emt 0:00:24]} a5 {[%emt 0:05:42]} 16. Re1 {[%emt 0:02:17]} Be6 {[%emt 0:07:29]} 17. Qa4 {[%emt 0:00:58]} Bd7 {[%emt 0:01:02]} 18. Qc2 {[%emt 0:00:12]} Qa6 {[%emt 0:02:50]} 19. Rbd1 {[%emt 0:01:28]} Rbd8 {[%emt 0:01:19]} 20. Nd2 {[%emt 0:02:03]} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.11"]
[Round "6.1"]
[White "Graf, Alexander"]
[Black "Shabalov, Alexander"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2575"]
[BlackElo "2524"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,73,23,28,30,27,35,38,38,39,24,25,8,0,0,0,-15,0,-38,16,15,27,38,54,16,17,14,40,0,0,0,4,-4,169,125,304,300,302,258,443,443,394,418,401,394,570,562,578,570,639,624,1115,1107,1102,1090,1063,972,885,777]} 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 d6 6. Nc3 e5 7. d3 c6 8. Rb1 a6 9. b4 b5 {[#]} 10. Bg5 $146 {A16: English Opening: 1...Nf6 with ...d5.} ({Predecessor:} 10. Nd2 d5 11. cxd5 cxd5 12. a4 bxa4 13. Qxa4 Be6 14. Nb3 Nbd7 15. Ba3 Rc8 16. Nc5 Nxc5 17. bxc5 Bd7 {½-½ (45) Sorokin,M (2560)-Zhigalko,A (2505) Cappelle-la-Grande 2006}) 10... h6 11. Bxf6 Qxf6 12. Nd2 {White is slightly better.} Qd8 13. Qc2 Be6 14. a4 {[%cal Rc4b5]} bxc4 15. dxc4 f5 16. e4 f4 17. b5 axb5 (17... Ra7 $15) 18. cxb5 $11 Rf7 19. Rfd1 Qb6 {next ...fxg3 is good for Black.} 20. bxc6 (20. Qd3 $5 {[%cal Rd3d6]} fxg3 21. Qxg3 $14) 20... Qxc6 21. Rdc1 Na6 22. Nd5 Qxc2 23. Rxc2 Nc5 24. Nc4 f3 $2 {[#]} (24... Bf8 $11 {and Black is okay.}) 25. Nxd6 $18 Bxd5 $2 (25... Rd7 $16) 26. exd5 Rd7 27. Rxc5 fxg2 $2 (27... Rxd6 {might work better.} 28. Bxf3 Bf8) 28. Nc4 Rxa4 29. Rb8+ Kh7 30. d6 Raa7 (30... h5 $142 31. Kxg2 Rxc4 {[%mdl 64] Remove Defender} 32. Rxc4 Rxd6) 31. Rbc8 {White is clearly winning.} e4 32. R5c7 g5 33. Kxg2 Rdxc7 34. dxc7 Kg6 35. Nd6 e3 36. fxe3 Ra2+ 37. Kf1 {Accuracy: White = 84%, Black = 54%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.11"]
[Round "6.2"]
[White "Kaidanov, Gregory"]
[Black "Jussupow, Artur"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2546"]
[BlackElo "2560"]
[Annotator "TA"]
[PlyCount "33"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,33,22,39,11,25,22,29,17,22,17,27,13,14,19,23,-8,-7,2,15,19,15,13,20,17,13,9]} 1. Nf3 d5 2. g3 c6 3. Bg2 g6 4. O-O Bg7 5. d4 Nf6 6. Bf4 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} Nbd7 {[%cal Bb8d7,Bd7b6,Bb6d5][%mdl 32]} 7. Qc1 h6 8. c4 {White has an edge.} g5 9. Bd2 Ne4 10. cxd5 cxd5 11. Nc3 {[#]} Nb6 $146 ({Predecessor:} 11... Nxd2 12. Qxd2 Nf6 13. Ne5 Bf5 14. Qd1 O-O 15. Qb3 e6 16. Qxb7 Qd6 17. Nc6 a6 {0-1 (30) Walaszczyk,W (2240)-Kula,R (2370) Lublin 1999}) 12. Nxe4 dxe4 {The position is equal.} 13. Ne5 Bf5 {[#] Strongly threatening ...Rc8.} 14. Qc5 {Nxf7 is the strong threat.} Qd5 15. Qxd5 Nxd5 16. e3 g4 17. Rfc1 {An uneventful encounter. Accuracy: White = 81%, Black = 100%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.11"]
[Round "6.3"]
[White "Levin, Felix"]
[Black "Benjamin, Joel"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "2480"]
[BlackElo "2508"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,70,39,38,38,35,31,27,15,26,20,33,23,27,15,10,-29,-36,-46,-38,-43,-44,-48,-41,-36,-33,-40,-38,-67,-57,-79,-69,-121,-76,-179,0,0,10,10,10,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Qe7 5. Nf3 Nc6 6. Nc3 Bxc3 7. Bxc3 Ne4 8. Rc1 d6 9. d5 Nxc3 10. Rxc3 Nd8 11. Bg2 O-O 12. O-O e5 13. c5 {E11: Bogo-Indian.} dxc5 14. Qc2 e4 15. Nd2 {White has an edge.} f5 $1 16. f3 e3 17. Nc4 f4 $1 {[#]} 18. gxf4 $146 ({Predecessor:} 18. Qe4 Qg5 19. gxf4 Rxf4 20. Qe8+ Rf8 21. Qe5 Qxe5 22. Nxe5 Re8 23. f4 g5 24. Rxc5 gxf4 {1-0 (33) Shneider,A (2530)-Certic,B (2435) Belgrade 1995}) 18... Rxf4 19. Nxe3 Nf7 20. Nd1 b6 $1 21. e3 Rh4 22. f4 Nd6 $1 23. e4 {[#] Hoping for e5.} Ba6 24. Rf2 Rf8 25. Ra3 Bb5 26. Rxa7 Rhxf4 27. a4 (27. Rxf4 $15 Rxf4 28. Ra8+ Be8 29. Qc3) 27... Be8 {...Rxf2 is the strong threat.} 28. a5 {[#]} (28. Rxf4 $17 Rxf4 29. Qe2) 28... Qe5 $2 (28... Nxe4 29. Rxf4 Rxf4 30. Qb3 $15) (28... Rxf2 $1 $19 29. Nxf2 Qg5) 29. Qc3 $36 {[%mdl 2048] White has the initiative.The position is equal.} Qg5 30. Qg3 Rg4 $1 {[%cal Rg4g3]} ({Not} 30... Nxe4 $2 31. Qxg5 Nxg5 32. Rxf4 $18) 31. Rxf8+ Kxf8 32. Qf3+ Rf4 33. Qg3 Rg4 ({Much weaker is} 33... Nxe4 $6 34. Qxg5 Nxg5 35. d6 $16) 34. Qf3+ Rf4 35. Qg3 Rg4 {Accuracy: White = 72%, Black = 87%.} ({But not} 35... Nxe4 $6 36. Qxg5 Nxg5 37. d6 $16) 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.11"]
[Round "6.4"]
[White "Novikov, Igor"]
[Black "Meister, Jakob"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2551"]
[BlackElo "2427"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,97,19,26,27,45,45,53,39,44,44,77,75,125,120,115,115,119,118,120,122,121,127,119,119,119,120,115,125,125,122,124,128,138,131,130,129,127,127,159,157,156,127,124,109,117,0,124,124,128,123,170,145,131,131,133,121,143,121,177,182,206,206,285,290,361,85,85,85,904,843,824,695,954,908,12831,12831,12834,12834,12835,12834,12838,12839,12838,12838]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Bxd2+ 5. Qxd2 O-O 6. g3 b6 7. Bg2 Bb7 8. Nc3 d6 9. d5 {E16: Queen's Indian: 4 g3 Bb7 5 Bg2 Bb4+.} exd5 10. cxd5 {[#]} b5 $146 ({Predecessor:} 10... Re8 11. O-O a5 12. Nd4 Na6 13. Rfe1 Nc5 14. Rad1 Qd7 15. e4 Ba6 16. Qc2 b5 {½-½ (34) Vazquez,F (2103)-El Ters,A (2200) Montevideo 2019}) 11. Nxb5 {White is slightly better.} Bxd5 12. Rc1 c6 13. Nc3 Ne4 14. Nxe4 Bxe4 15. O-O Qe7 16. Rfd1 Rd8 17. Qe3 {Threatens to win with Nd2.} Qe8 18. Nd4 Bxg2 19. Qxe8+ Rxe8 20. Kxg2 a5 21. Nxc6 Nxc6 22. Rxc6 Rxe2 23. Rcxd6 $16 {[%mdl 4096] Endgame KRR-KRR} g6 24. R1d2 Ree8 25. Rb6 Ra7 26. a4 h5 27. b3 Rc8 28. Kh3 Kg7 29. Kh4 Rc3 30. Kh3 ({White should try} 30. Rb5 $16) 30... Re7 (30... Rc8 $1 $11 {keeps the balance.}) 31. Rb5 Ra7 32. Kg2 Kf6 33. Rd6+ Kg7 34. Rdb6 $1 Rc2 35. Rb7 Ra6 {[#]} 36. R5b6 $1 {[%cal Rb6a6]} Rxb6 (36... Ra8 $16) 37. Rxb6 {KR-KR} Rb2 38. h4 f6 {[#]} 39. Rb5 $1 Kh6 40. Kf3 $2 (40. Rxa5 $18 {Rb5 is the strong threat.} Rxb3 41. Ra8) 40... g5 41. g4 hxg4+ $2 {[%mdl 8192] This costs Black the game.} (41... gxh4 $16 42. gxh5 (42. Rxh5+ Kg6 $16) 42... f5 43. Rxf5 Rxb3+ 44. Kg2 h3+ 45. Kh1 Rc3 46. Rxa5 Rf3) 42. Kxg4 $18 {White is clearly winning.} gxh4 43. f3 Kg6 44. Kxh4 Rd2 45. Rxa5 Rd3 46. Rb5 Rxf3 47. a5 Rf4+ 48. Kg3 Rf1 49. Rb4 {Accuracy: White = 83%, Black = 61%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.11"]
[Round "6.5"]
[White "Hracek, Zbynek"]
[Black "Bryson, Douglas M"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2572"]
[BlackElo "2334"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,103,35,40,52,22,25,45,29,38,34,22,26,13,33,42,34,-14,-1,-10,-12,0,8,-3,29,25,29,16,32,34,50,28,25,30,38,33,50,0,29,0,0,0,30,22,97,119,112,131,116,100,168,159,274,274,274,250,250,250,296,272,381,328,439,454,448,427,478,362,337,302,381,382,382,379,428,432,394,366,591,525,456,431,685,650,782,724,701,682,5093,5093,5093,5093,5081,5081,4133,4133]} 1. e4 d5 2. exd5 Nf6 3. Nf3 Qxd5 4. Nc3 Qa5 5. d4 Bf5 6. Bd2 e6 {B01: Scandinavian Defence.} 7. Ne5 Qb6 8. Qf3 c6 {White is slightly better.} 9. O-O-O Nbd7 10. Nc4 Qd8 {Black wants to play ...Bg4.} 11. h3 Be7 {[#]} 12. g4 $146 ({Predecessor:} 12. Bf4 O-O 13. g4 Bg6 14. h4 h5 15. Ne5 hxg4 16. Nxg4 Nxg4 17. Qxg4 Nf6 18. Qg2 {0-1 (57) Lopez Gomez,J-Rodda Romero,J Cuba 2002}) 12... Bg6 13. Bd3 Bxd3 14. Qxd3 b5 15. Ne3 Nb6 16. f4 Nfd5 17. f5 Nxe3 18. Bxe3 exf5 19. gxf5 b4 20. Ne4 O-O 21. Rhg1 {And now Bh6 would win.} Kh8 22. Rg4 f6 23. Ng3 Qd5 24. b3 $36 {[%mdl 2048] Black is under pressure.} Qf7 25. Ne2 {Rdg1 is the strong threat.} Nd5 26. Rdg1 Bd6 (26... Rg8 $11 {remains equal.}) 27. Rxg7 $16 {Black is now going downhill.} Qxg7 28. Rxg7 Kxg7 29. Bd2 Rac8 (29... a5 $16) 30. Ng3 $18 Bxg3 (30... Rf7 $16 {might work better.} 31. Ne4 Bf8) 31. Qxg3+ Kh8 32. Qd6 a5 33. a3 Rfd8 34. Qc5 Rb8 (34... Rg8 $142 35. axb4 Rg1+ 36. Kb2 Rg2) 35. Kb2 Rdc8 36. Qxa5 Ra8 37. Qc5 bxa3+ 38. Ka2 Re8 39. Qc4 Rac8 40. Kxa3 Re7 41. Qa6 Rcc7 {Strongly threatening ...Ra7.} 42. Kb2 Kg7 43. h4 Red7 $2 (43... Re4 44. h5 Rxd4) 44. h5 {White is clearly winning.} Ne7 45. Qe2 Rxd4 (45... h6 $142 46. Ba5 Ra7) 46. Bc3 Rd5 {[#]} 47. h6+ $1 {[%mdl 512]} Kf8 (47... Kxh6 48. Qh2+) 48. Qe6 Nxf5 49. Bb4+ Ne7 50. Qxf6+ Ke8 51. Qh8+ {[%mdl 64] [#] Double Attack} Kd7 52. Bxe7 {Accuracy: White = 91%, Black = 58%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.11"]
[Round "6.6"]
[White "Farrell, Neil"]
[Black "Haba, Petr"]
[Result "0-1"]
[ECO "D27"]
[WhiteElo "2183"]
[BlackElo "2470"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,76,15,67,27,15,18,31,29,26,-20,0,0,0,0,0,0,0,0,-14,-16,-15,-24,-13,-23,-39,-30,-33,-22,-30,-25,0,-70,-64,-92,-80,-101,-25,-35,-50,-139,-139,-137,-138,-217,-236,-233,-206,-213,-219,-246,-232,-263,-260,-264,-234,-301,-281,-1943,-1809,-29985,-29986,-29991,-29992,-29995,-29996]} 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Bb3 Nbd7 (7... b5 $11) 8. Re1 {D27: Queen's Gambit Accepted: Classical main line: 7 e4!? and 7 a4.} (8. e4 $5) 8... b5 9. e4 Bb7 10. e5 {White is slightly better.} Nd5 11. Nbd2 cxd4 12. Ne4 Nc5 {Strongly threatening ...Nxe4.} 13. Bg5 {[#]} Qb6 $146 ({Predecessor:} 13... Qd7 14. Qxd4 Nxe4 15. Qxe4 h6 16. Qh4 Be7 17. Bxe7 Qxe7 18. Qg4 O-O 19. Nd2 Qg5 20. Qxg5 hxg5 {0-1 (40) Pedersen,N (2466)-Rasmussen,A (2389) Aalborg 2007}) 14. Bxd5 Bxd5 15. Qxd4 {Hoping for Nd6+!} Nd7 16. Qd2 h6 $36 {[%mdl 2048] Black has the initiative.} 17. Bf4 Qb7 18. Nd6+ Bxd6 $1 19. exd6 Bxf3 20. gxf3 Qxf3 21. Re3 Qh5 22. Rc1 (22. Rg3 $11) 22... O-O $15 23. Rc7 Rad8 24. Rg3 {[#] aiming for Bxh6.} Kh7 (24... Kh8 $1 $17) 25. Qd4 {[%csl Gg3][%cal Rd4g7]} e5 26. Qd5 ({Better is} 26. Qd3+ $15 Kh8 27. Bd2) 26... Qf5 $17 27. Be3 {[#]} Nf6 $1 {[%cal Rf6d5]} 28. Qg2 (28. Qf3 $17 {keeps fighting.} Qxf3 29. Rxf3) 28... Nh5 $19 29. Qd5 Nxg3 30. hxg3 Rd7 31. Rc6 Re8 32. Rxa6 Re6 33. Bc5 h5 34. b4 {[#]} h4 $1 {And now ...hxg3 would win.} 35. Ra8 $2 (35. Ra3) (35. gxh4 Rg6+) 35... hxg3 {( -> ...Rexd6!)} 36. fxg3 Rh6 {Black mates.} 37. Re8 Qb1+ 38. Kg2 Qh1+ {Accuracy: White = 50%, Black = 95%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.11"]
[Round "6.7"]
[White "Velicka, Petr"]
[Black "Grant, Jonathan I M"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2425"]
[BlackElo "2166"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,85,21,20,9,24,18,33,27,20,9,13,21,39,45,37,33,50,36,63,58,155,90,91,91,93,91,91,91,111,103,141,132,174,165,174,163,92,64,187,187,145,81,293,295,379,343,1064,602,578,562,497,500,854,756,1236,1160,1128,1022,1615,1493,12828,10681,12843,12839,12843,12843,12844,12844]} 1. Nf3 Nf6 2. c4 c5 3. Nc3 e6 4. g3 b6 5. Bg2 Bb7 6. O-O Be7 7. Re1 d5 8. cxd5 Nxd5 9. Nxd5 exd5 10. d4 O-O 11. b3 {E18: Queen's Indian: Old Main Line (4 g3 Bb7 5 Bg2 Be7 6 0-0 0-0 7 Nc3).} Nd7 12. Bb2 {[#]} Bf6 $146 ({Predecessor:} 12... Rc8 13. Rc1 c4 14. a4 Bb4 15. Bc3 Qe7 16. bxc4 Rxc4 17. Qb3 Bc6 18. Bxb4 {½-½ (18) Tsenkov,L (2260)-Wydornik,R (2194) ICCF email 2018}) 13. Qd2 {White is slightly better.} Re8 14. Rac1 Rc8 15. Bh3 Rc6 16. dxc5 Bxb2 17. Qxb2 {Hoping for Bxd7.} Rxc5 18. b4 Rxc1 19. Rxc1 b5 (19... g6 $14) 20. Bxd7 (20. Nd4 $142) 20... Qxd7 $16 21. Nd4 h5 22. Rc5 a6 23. Qc3 $40 {[%mdl 128] Threatens to win with Rc7. White attacks with force.} Rc8 24. Rxc8+ (24. f3 {with more complications.} g6 25. Kg2 Qd8 26. Qc1 Kg7 27. h4) 24... Qxc8 25. Qxc8+ Bxc8 {[%mdl 4096] Endgame KB-KN} 26. f3 Kf8 27. Kf2 Ke7 28. Ke3 Bd7 {[#]} (28... f6 $1 $14) 29. Nb3 $1 $18 Kd6 30. Kd4 g5 $2 (30... f6 $16) 31. Nc5 Bc8 32. e4 Be6 $2 (32... dxe4 33. Nxe4+ Ke7 34. Nxg5 Bf5) 33. e5+ {White is clearly winning.} Kc6 34. Nxa6 Bf5 35. Nc5 Bb1 (35... Bh3 $142 36. Nb3 h4 37. gxh4 gxh4) 36. a4 bxa4 37. Nxa4 Bc2 38. Nc3 Bb3 39. f4 gxf4 40. gxf4 h4 {[#]} 41. Nxd5 $1 {[%mdl 512]} Kb5 (41... Bxd5 42. b5+) 42. f5 Bc2 43. f6 {Accuracy: White = 87%, Black = 43%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.11"]
[Round "6.8"]
[White "Burnett, Andrew"]
[Black "Langner, Ladislav"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2138"]
[BlackElo "2377"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,87,64,69,72,73,86,81,60,58,58,62,71,74,76,72,61,55,52,46,50,52,45,71,44,56,45,73,62,70,66,91,77,120,103,118,135,139,124,127,126,103,0,52,0,125,77,87,84,164,75,343,317,787,660,1357,1343,1329,1322,1283,1195,1577,1754,1646,1645,1556,1521,1524,1510,1488,1386,839,539]} 1. Nf3 Nf6 2. c4 g6 3. Nc3 c5 4. d4 cxd4 5. Nxd4 b6 6. e4 d6 7. f3 Bg7 8. Be3 Bb7 9. Be2 Nbd7 10. Qd2 {A34: Symmetrical English: 2 Nc3, lines with ...d5.} Rc8 11. Rc1 a6 12. b3 {White is better.} O-O 13. O-O e6 14. Rfd1 Qc7 15. Bf1 Rfe8 16. Nde2 Bf8 17. Nf4 Qb8 18. Kh1 {[#]} Be7 $146 ({Predecessor:} 18... Bc6 19. a4 Ne5 20. Qf2 Nfd7 21. Nfe2 b5 22. cxb5 axb5 23. Nd4 bxa4 24. bxa4 Bb7 {1-0 (32) Pelletier,Y (2531)-Forster,R (2462) Zuerich 2001}) 19. Qf2 Bd8 20. a4 Kh8 21. Be2 Rg8 22. Nh3 Kg7 23. Bf4 Ne5 24. Qe3 h5 25. Rd2 Bc6 26. Rcd1 Be7 27. Bh6+ Kh7 28. Bg5 Kg7 29. Bh6+ (29. f4 $16 Neg4 30. Bxf6+ Nxf6 31. f5 $1 {[%mdl 512]}) 29... Kh7 $1 $14 30. Bg5 ({White should play} 30. Kg1 $14) 30... Kg7 $1 $16 31. Qf4 {Hoping for Rxd6!} Ned7 32. Qh4 Qb7 {[#]} (32... Rge8 $16 {was called for.}) 33. Nf4 (33. b4 $1 $18 {and White stays clearly on top.}) 33... Nc5 $2 {[%mdl 8192] Loses the game.} (33... Rge8 $16) 34. Rxd6 $18 Nxb3 $2 (34... Rge8 35. b4 Nxa4) 35. e5 {White is clearly winning.} Bxd6 36. Bxf6+ ({Stronger than} 36. exd6 Nd7 $11) 36... Kf8 37. Rxd6 Nc5 38. Qg5 Nd7 39. Qh6+ Ke8 40. Qh7 {Rxe6+! would kill now.} Nxf6 41. exf6 {[%cal Rh7g8]} Rf8 {[#]} 42. Nxe6 $1 fxe6 43. Rxe6+ Kd8 44. Qe7+ {Accuracy: White = 80%, Black = 62%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.11"]
[Round "6.9"]
[White "Petursson, Margeir"]
[Black "Ftacnik, Lubomir"]
[Result "1/2-1/2"]
[ECO "A49"]
[WhiteElo "2466"]
[BlackElo "2513"]
[Annotator "TA"]
[PlyCount "37"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,37,12,-2,10,0,7,10,11,4,15,10,18,11,9,-14,0,0,7,7,22,8,16,-25,-17,-20,-12,-12]} 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d5 5. O-O O-O 6. Nbd2 Na6 7. Nb3 {The old main line. has lost popularity (7.b3).} c6 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} 8. Bf4 Bf5 {[#]} 9. Rc1 $146 ({Predecessor:} 9. Be5 Qc8 10. Rc1 Bh6 11. e3 Nd7 12. Bf4 Bxf4 13. exf4 Nb6 14. Nc5 Nxc5 15. dxc5 {½-½ (48) Nikolic,P (2605)-Ftacnik,L (2557) Germany 2015}) 9... Rc8 10. Re1 Ne4 11. Nfd2 Nxd2 12. Qxd2 Re8 13. c4 dxc4 14. Rxc4 e5 15. Bg5 f6 16. Be3 Be6 17. Rc3 e4 18. Bh6 Bd5 19. Bxg7 {Not much happened in this game. Accuracy: White = 90%, Black = 100%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.11"]
[Round "6.10"]
[White "Stohl, Igor"]
[Black "Thorhallsson, Throstur"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "2470"]
[BlackElo "2424"]
[Annotator "TA"]
[PlyCount "36"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,21,0,0,2,-8]} 1. c4 e6 2. Nf3 d5 3. b3 Nf6 4. Bb2 Be7 5. g3 O-O 6. Bg2 c5 7. cxd5 Nxd5 8. Nc3 Nxc3 9. Bxc3 Nc6 10. O-O Qc7 {A14: English Opening: 1...e6 with b3 by White.} 11. Qc2 {[#] An uneventful encounter.} {Predecessor:} f6 $146 12. Rac1 e5 13. Nh4 f5 14. Nf3 Be6 15. d3 Rad8 16. b4 cxb4 17. Bxe5 Qa5 18. Bb2 Qxa2 {0-1 (52) Zhao,X (2565)-Hou,Y (2606) Beijing 2012} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.11"]
[Round "6.11"]
[White "Jonsson, Bjorgvin"]
[Black "Motuz, Karol"]
[Result "1/2-1/2"]
[ECO "C80"]
[WhiteElo "2324"]
[BlackElo "2368"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,49,40,16,16,16,16,16,18,25,16,16,18,23,18,19,16,17,16,16,25,16,25,26,27,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 Nc5 10. c3 Be7 11. Bc2 d4 12. Ne4 {[%cal Rf3d4]} (12. Nxd4 {is more complex.} Nxd4 13. cxd4 Qxd4 14. Nf3 Qxd1 15. Rxd1 Rd8 16. Rxd8+ Kxd8 17. Be3) 12... d3 {C83: Open Ruy Lopez: 9 c3 Be7.} 13. Nxc5 dxc2 14. Qxd8+ Rxd8 ({Much worse is} 14... Bxd8 15. Nxe6 fxe6 16. Be3 $16) 15. Nxe6 fxe6 16. Be3 Rd5 17. Rfc1 Nxe5 18. Nxe5 Rxe5 19. Rxc2 Kf7 20. c4 b4 21. Rd1 Rd8 22. Rxd8 Bxd8 23. Rd2 Ke8 24. Kf1 Bg5 25. Bxg5 {[#] Not much happened in this game. Accuracy: White = 90%, Black = 100%.} {Predecessor:} Rxg5 $146 26. b3 {½-½ (26) Anderson,B (2456)-Patrici,N (2519) ICCF email 2010} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.11"]
[Round "6.12"]
[White "Petran, Peter"]
[Black "Gislason, Gudmundur"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2268"]
[BlackElo "2322"]
[Annotator "TA"]
[PlyCount "116"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,116,8,18,9,38,38,38,27,31,12,21,12,39,18,31,22,42,32,35,29,28,0,0,0,0,0,0,-4,-20,-66,-73,-266,-262,-264,-248,-252,-276,-265,-244,-248,-233,-590,-602,-688,-672,-718,-706,-1616,-1585,-1288,-426,-423,-420,-431,-420,-408,-400,-415,-407,-429,-414,-473,-473,-577,-567,-607,-629,-618,-607,-606,-602,-713,-708,-708,-710,-708,-707,-706,-699,-675,-666,-778,-785,-756,-509,-887,-877,-844,-693,-858,-823,-981,-965,-29968,-29969,-29969,-29971,-29971,-29970,-6648,-2059]} 1. g3 Nf6 2. Bg2 g6 3. e4 d6 4. d4 Bg7 5. Ne2 O-O 6. Nbc3 e5 7. h3 a6 8. a4 Nc6 9. Be3 Rb8 {[#]} 10. d5 $146 {B07: Pirc Defence: Miscellaneous Systems.} ({Predecessor:} 10. a5 exd4 11. Nxd4 Ne5 12. b3 c5 13. Nde2 Nc6 14. Bf4 Ne8 15. Qd2 Be6 16. O-O Nxa5 17. Rad1 Nc6 {½-½ (59) Al Tamimi,H (2231)-Gromovs,S (2161) Caleta 2013}) 10... Ne7 11. a5 Nd7 12. O-O {White is slightly better.} Qe8 13. f3 f5 14. Qd2 Rf7 15. Na4 Nf6 16. c4 Nh5 17. Ba7 Ra8 18. Bf2 Bd7 19. b3 Qc8 20. Kh2 Qf8 $36 {[%mdl 2048] ...fxe4 is the strong threat. Black fights for an advantage.} 21. Nac3 Bh6 22. Qe1 Qg7 23. g4 Nf4 24. Bg3 $2 {Now White is beyond hope.} (24. Nxf4 $17 {keeps fighting.} Bxf4+ 25. Bg3) 24... Nxg2 $19 25. Kxg2 {[#]} Raf8 $1 26. Bf2 fxg4 27. fxg4 Bg5 (27... Qf6 28. Bg1 $15) 28. Ng3 {[#]} h5 $1 {[%mdl 512]} 29. Qe2 $2 (29. Be3 {was the crucial defense.} Qh6 30. Bxg5 Qxg5 31. Rxf7 Rxf7 32. Qc1) (29. gxh5 gxh5) 29... hxg4 30. hxg4 Rf4 31. Be3 Bxg4 32. Qd2 {[#]} Qh6 $1 {[%mdl 512] ( -> ...Qh3+)} 33. Bxf4 Qh3+ (33... Bxf4 $142 34. Qf2 Bh3+ {[%mdl 64] Skewer} 35. Kh1 Bxf1+ {[%mdl 64] Discovered Attack} 36. Qh2 Bh3) 34. Kg1 Bxf4 ({Resist} 34... exf4 35. Qh2 $19) 35. Qh2 {intending Qxh3.} Qxg3+ ({Less strong is} 35... Bxg3 36. Qxh3 Bxh3 37. Rxf8+ Kxf8 38. Nd1 $19) 36. Qxg3 Bxg3 37. Rxf8+ Kxf8 38. Kg2 Bf4 39. Kf2 Ng8 40. Ne2 Bd2 41. Ra2 Nf6 42. Ng3 Bb4 43. Ra4 Bc3 44. Ke3 Nd7 45. Ne2 Bxe2 46. Kxe2 Nc5 47. Ra2 Nxb3 {White must now prevent ...Nc1+.} 48. Ra3 Nd4+ 49. Kd3 Bb4 50. Ra2 Kg7 51. Ra4 (51. Rb2 $142 c5 52. dxc6 Nxc6 53. Ke2) 51... Bc5 52. Ra2 g5 53. Rb2 b6 54. Ra2 bxa5 55. Rxa5 g4 56. Rxa6 g3 57. Ke3 Kg6 58. Ra8 Kg5 {Accuracy: White = 57%, Black = 91%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.11"]
[Round "6.13"]
[White "Matveeva, Svetlana"]
[Black "Potapov, Alexander"]
[Result "1/2-1/2"]
[ECO "D45"]
[WhiteElo "2375"]
[BlackElo "2413"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,78,24,21,50,25,53,31,42,4,20,0,0,0,0,0,0,0,0,-4,-26,-70,-60,-151,-157,-142,-80,-79,-44,-71,0,-83,-77,-74,-20,-12,-13,-11,-12,-43,-55,-72,85,95,87,86,90,96,121,124,129,18,20,19,39,0,0,0,43,0,0,0,47]} 1. d4 d5 2. c4 c6 3. Nc3 e6 4. e3 Nf6 5. Nf3 Nbd7 6. Qc2 Be7 7. b3 b6 8. Bd3 Bb7 9. O-O O-O 10. Bb2 Qc7 {D46: Semi-Slav: 5 e3 Nbd7 6 Bd3, Black avoids the Meran.} 11. Rac1 Rad8 12. Rfd1 Rfe8 {White is slightly better.} 13. Qe2 h6 14. e4 (14. h3 {seems wilder.} Qb8 15. Ne5 dxc4 16. Bxc4 Rf8 17. Nf3) 14... dxe4 15. Nxe4 c5 16. dxc5 Bxe4 17. Bxe4 {[#]} Bxc5 $146 ({Predecessor:} 17... Nxe4 18. Qxe4 Nxc5 19. Qe2 Rxd1+ 20. Rxd1 Rd8 21. h3 Rxd1+ 22. Qxd1 Ne4 23. Qc2 f5 24. Nd2 Nxd2 25. Qxd2 Kf7 {½-½ (25) Izsak,G (2430)-Reiss,T (2379) Hungary 2006}) 18. Bc2 e5 {With the idea ...Ng4.} 19. Bf5 e4 20. Nd4 (20. Ne1 $1 $15) 20... Ne5 $1 $17 {[%cal Re5d3]} 21. Nb5 Rxd1+ (21... Qb8 $142 22. Rxd8 Rxd8) 22. Rxd1 Qb8 23. Bd4 Nd3 (23... Bxd4 $17 24. Nxd4 (24. Rxd4 a6 $17) 24... g6) 24. Qe3 (24. Bxc5 $1 $11 {keeps the balance.} Nxc5 25. Bh3) 24... Bxd4 25. Nxd4 Qe5 ({Better is} 25... g6 $1 $17 {[%cal Rg6f5]} 26. Bh3 Qe5) 26. f3 $11 Nb4 27. Bxe4 Nxa2 {[%cal Rf6e4]} 28. Ra1 Nb4 $1 29. Rxa7 {[#]} Qc5 $2 {[#]} (29... g6 $1 $17 {keeps the pressure on. And now ...Rd8 would win.} 30. Ne2 Rd8) 30. Ra8 $1 $16 Rxa8 31. Bxa8 Qa5 {Strongly threatening ...Qa1+.} 32. Be4 Qa1+ 33. Kf2 Qb2+ 34. Ne2 (34. Kg3 $16) 34... Nxe4+ $11 35. Qxe4 Qd2 {aiming for ...Nd3+.} 36. Qe8+ (36. Kg3 $5 {[%cal Re4e8]} Nd3 37. Nf4 Nxf4 38. Qxf4 Qe1+ 39. Kg4 $16) 36... Kh7 37. Qe4+ Kg8 {...Nd3+ is the strong threat.} 38. Qe8+ (38. Kg3 $5 {[%cal Re4e8]} Nd3 39. Nf4 Nxf4 40. Qxf4 Qe1+ 41. Kh3 $16) 38... Kh7 {( -> ...Nd3+)} 39. Qe4+ Kg8 {Accuracy: White = 53%, Black = 69%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.11"]
[Round "6.14"]
[White "Sergeyev, Alexander"]
[Black "Grabuzova, Tatiana"]
[Result "1-0"]
[ECO "D33"]
[WhiteElo "2398"]
[BlackElo "2272"]
[Annotator "TA"]
[PlyCount "133"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,133,29,12,27,26,18,20,35,20,48,40,57,53,49,49,56,49,75,76,64,62,70,48,56,47,56,48,54,0,0,0,0,0,0,0,38,33,56,-1,23,19,94,91,94,94,94,94,102,102,95,100,109,109,109,109,119,80,242,237,253,259,233,229,237,211,287,279,289,272,255,239,239,152,616,612,1022,865,952,598,581,50,50,50,69,69,69,33,33,33,33,33,69,33,44,33,25,0,69,17,69,69,69,69,69,69,69,69,69,69,69,69,69,69,29962,29960,29965,29965,29966,29964]} 1. d4 e6 2. c4 d5 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 cxd4 8. Nxd4 Bc5 9. Nb3 Bb6 {D33: Tarrasch Defence: 6 g3 sidelines.} 10. O-O d4 11. Na4 O-O {The position is equal.} 12. Bg5 h6 13. Nxb6 axb6 14. Bxc6 bxc6 15. Bxf6 $1 Qxf6 16. Qxd4 Qd8 17. Rfd1 Be6 18. Qc3 Qe8 {[#]} 19. Rd2 $146 ({Predecessor:} 19. Nd2 f5 20. Nc4 f4 21. Nxb6 Rb8 22. Qd4 Rb7 23. Rd2 Qh5 24. Rc1 fxg3 25. hxg3 {1-0 (37) Gatto,C (2115)-Hackenberg,T (2085) ICCF email 2018}) 19... c5 20. a3 Qb5 21. Nc1 $1 Rfd8 22. Rxd8+ (22. f3 $14) 22... Rxd8 $11 23. Nd3 Bg4 $1 24. a4 Qa6 25. Kf1 Rd4 26. a5 bxa5 27. Re1 (27. Ra3 $1 $14) 27... Qc4 (27... Rc4 {is interesting.} 28. Qe5 Rc2 29. Qe4 Qc8 30. Qa4 Rd2) 28. f3 $36 {[%mdl 2048] White has good play.} Bh3+ (28... Bf5 $1 $11 {remains equal.}) 29. Kf2 $16 Bf5 {[%cal Rf5d3]} 30. Qxc4 Rxc4 {[%mdl 4096] Endgame KRB-KRN} 31. e4 $1 {[%cal Re4f5]} Be6 {[#]} 32. Rc1 $1 Rxc1 33. Nxc1 {KB-KN} Kf8 34. Nd3 c4 35. Nc5 Bc8 36. Ke3 Ke7 $2 (36... c3 $16 {was necessary.} 37. bxc3 Ke7) 37. Kd4 $18 Kd6 38. Kxc4 Kc6 39. f4 g6 40. h4 h5 41. Nb3 Be6+ 42. Kc3 Kb6 43. Nd4 Bc8 44. Nf3 Bb7 $2 (44... Kc5 $16 45. Ng5 f6) 45. Kd4 Kb5 46. Ne5 f5 47. exf5 gxf5 48. Kc3 $2 (48. Nf7 $18 Kb4 49. Nd6 {[%mdl 64] Double Attack}) 48... a4 $14 49. Nd7 Bc6 50. Nf6 Bf3 51. Ne8 {Threatens to win with Nd6+.} Kc5 52. Ng7 Bg4 53. Ne6+ Kb5 54. Nd4+ Kc5 55. Nc2 Bf3 56. Nd4 Bg4 $1 57. b4+ ({White should try} 57. b3 $14 axb3 58. Nxb3+ Kd5 59. Kd3) 57... axb3 (57... Kd5 $11) 58. Nxb3+ Kd5 59. Kd3 $1 Bf3 60. Nd2 Bg2 61. Ke3 Bh1 62. Nb1 Bg2 63. Nc3+ Kc4 64. Nd1 Bf1 $2 {[%mdl 8192]} (64... Kd5 $14) 65. Kf2 {White mates.} Bh3 {[#]} 66. Kg1 $1 Kd4 67. Nf2 {Accuracy: White = 77%, Black = 63%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.11"]
[Round "6.15"]
[White "Yakimenko, Alexander A."]
[Black "Goriatchkin, Jouri"]
[Result "1/2-1/2"]
[ECO "C12"]
[WhiteElo "2149"]
[BlackElo "2310"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,83,8,10,13,10,16,10,26,18,12,8,0,0,8,5,3,0,1,3,18,2,8,8,11,0,0,-12,19,12,14,13,13,10,10,0,0,0,16,0,0,0,0,0,0,0,0,0,-1,-12,-7,-6,-10,-23,0,-39,-37,-64,-16,-64,-12,-12,0,-64,0,-12,0,-64,-12,-22,0,0]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. Nge2 dxe4 6. a3 Be7 7. Bxf6 Bxf6 8. Nxe4 Nd7 {C12: French: Classical System: McCutcheon Variation.} 9. g3 Be7 10. Bg2 Nf6 11. O-O O-O 12. Qd3 {[#]} c6 $146 ({Predecessor:} 12... Rb8 13. Rad1 b6 14. c4 Bb7 15. N2c3 Nxe4 16. Bxe4 Bxe4 17. Qxe4 Re8 18. Rd3 Bf6 {1-0 (44) Mitrovic,S (2295)-Ziger,S (2215) Novi Sad 1989}) 13. N2c3 Rb8 14. Rad1 Qb6 15. Nxf6+ Bxf6 16. Ne4 Be7 17. b4 a5 18. c3 Qc7 19. f4 b6 20. Ng5 Bxg5 (20... g6 {seems wilder.} 21. Nf3 Ra8 22. Qe3 Ba6 23. Rf2 Bc4) 21. fxg5 axb4 22. axb4 c5 23. Qc4 {[%cal Rd4c5]} Bb7 24. d5 exd5 25. Bxd5 Qe7 26. Rfe1 Qxg5 27. bxc5 bxc5 28. Qxc5 {[#] Threatens to win with Bxf7+!} h6 29. c4 Bxd5 30. cxd5 Rfd8 31. Qd4 Rd6 32. Re5 Qg6 33. Rde1 Rb1 34. Rxb1 Qxb1+ $11 {[%mdl 4096] Endgame KQR-KQR} 35. Kg2 Qc2+ (35... Qb5 {looks sharper.} 36. h3 Ra6 37. Rf5 Qb1 38. Rf1 Ra2+) 36. Kh3 Qc8+ (36... f6 $15 37. Re4 Qc7) 37. Kg2 $1 Qc2+ (37... Qd7 $11) 38. Kh3 $15 Qc8+ (38... f6 $15 39. Qb4 Rd8) 39. Kg2 $11 Qc2+ (39... Qb7 $11) 40. Kh3 $15 Kh7 (40... f6 $15 41. Re4 Qc7) 41. Qf4 Qc8+ 42. Kg2 {Accuracy: White = 92%, Black = 84%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.11"]
[Round "6.16"]
[White "Tolstikh, Nikolay"]
[Black "Chudinovskikh, Alexander M"]
[Result "1/2-1/2"]
[ECO "A61"]
[WhiteElo "2320"]
[BlackElo "2139"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,100,41,68,58,66,33,63,15,24,22,22,19,39,32,71,17,14,10,46,38,36,41,29,30,60,56,64,53,54,18,153,116,144,118,116,126,131,122,130,130,165,75,70,85,115,33,37,36,42,25,35,40,43,9,10,8,11,0,0,0,0,0,0,0,0,0,0,0,0,0,8,8,8,0,8,8,8,8,8,8,8]} 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Nd2 Nbd7 8. e4 Bg7 9. Be2 O-O 10. O-O Re8 11. a4 Ne5 12. Ra3 {A77: Modern Benoni: Classical: 9...Re8 10 Nd2: 10...a6 and 10...Nbd7.} b6 13. h3 {[#]} g5 $146 ({Predecessor:} 13... h5 14. Re1 Qc7 15. Qc2 Bb7 16. Nc4 Nxc4 17. Bxc4 Re7 18. Bf4 a6 19. Re2 Rae8 20. f3 Nd7 21. b3 Ne5 22. Kf2 Bf6 {½-½ (22) Stephens,R-Strong,C New Zealand 1994}) 14. Nf3 {White is slightly better.} Nxf3+ 15. Bxf3 h6 16. Re1 Re5 17. Nb1 h5 18. g4 (18. Nd2 $16) 18... hxg4 $11 19. hxg4 Qe7 20. Rae3 Qd7 21. Nd2 Ba6 22. b3 Nh7 23. Bb2 Nf8 $1 24. Bxe5 Bxe5 25. Be2 Bb7 (25... Bxe2 $11 26. Qxe2 Ng6) 26. Bb5 Qc7 27. Nc4 Bd4 {Black wants to play ...a6.} 28. Rd3 a6 29. Bc6 $1 {[%cal Rc6b7]} Bxc6 30. dxc6 {Black must now prevent Ne3.} Qxc6 {[#]} 31. Rxd4 (31. Ne3 $1 $18 {has better winning chances.}) 31... cxd4 $16 32. Qxd4 {[%mdl 64] Double Attack} b5 33. Nxd6 (33. axb5 $16 axb5 34. Nb6 (34. Nxd6 Rd8 $16) (34. Qxd6 Qd7 $14)) 33... Rd8 $14 34. e5 {Hoping for axb5.} bxa4 35. bxa4 Ng6 36. Qe4 Qxe4 37. Nxe4 {[%mdl 4096] Endgame KRN-KRN} (37. Rxe4 {keeps more tension.} Kf8 38. f3 f6 39. Nc4 fxe5 40. Nxe5 Nf4 41. Rc4) 37... Rd4 {The position is equal.} 38. f3 Rxa4 39. Nxg5 Ra5 40. e6 Rxg5 41. e7 Nxe7 $1 42. Rxe7 $11 {KR-KR} Ra5 43. Kg2 f5 44. gxf5 Rxf5 45. Ra7 Rf6 46. Kg3 Rb6 47. Kg4 Rc6 48. f4 Rb6 49. Kg5 Rc6 50. f5 Rb6 {Accuracy: White = 66%, Black = 81%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.11"]
[Round "6.17"]
[White "Arkell, Keith C"]
[Black "Cummings, David H."]
[Result "1/2-1/2"]
[ECO "E10"]
[WhiteElo "2447"]
[BlackElo "2342"]
[Annotator "TA"]
[PlyCount "205"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,204,0,0,-1,0,0,-4,0,-12,0,-2,-10,-20,14,-12,-13,-56,-14,-36,-14,-37,-52,-45,-14,-14,-14,-16,-22,-8,0,-15,-13,-22,0,0,0,0,0,0,0,0,0,-35,-33,-106,-42,-73,-76,-112,-36,-34,0,-56,-38,-67,-69,-65,-52,-73,-68,-82,-66,-70,-54,-75,0,0,0,0,0,0,21,0,7,0,14,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,0,0,0,0,0,-14,0,-47,-21,-21,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 e6 2. d4 Nf6 3. Nf3 d5 4. cxd5 exd5 5. Nc3 c6 6. Qc2 g6 7. Bg5 Be7 8. Bxf6 Bxf6 9. e3 Bf5 10. Bd3 Bxd3 11. Qxd3 O-O 12. b4 {12.h4 deserves study.} a6 {D36: Queen's Gambit Declined: Exchange Variation: Main line (5 Bg5 c6 6 Qc2).} 13. O-O Nd7 14. a4 Nb6 15. Rfc1 Be7 {[#]} 16. Qb1 $146 ({Predecessor:} 16. Rab1 Bd6 17. Qd1 Re8 18. g3 Qe7 19. Qb3 Qe6 20. Re1 Qf5 21. Kg2 h5 22. Re2 {1-0 (61) Arkell,K (2453)-Fischer,D (2324) London 2018}) 16... Bd6 17. Qb3 Qd7 18. Rab1 Rfe8 19. g3 Qf5 20. Qd1 h5 21. Qe2 Kg7 22. Kg2 Re7 23. Qc2 Qd7 24. Qd3 Rae8 25. Re1 Qg4 26. h3 Qd7 27. a5 Na8 {[%cal Bb6a8,Ba8c7,Bc7e6,Be6g7,Bg7f5][%mdl 32]} 28. Na4 Nc7 29. Nc5 Qc8 30. Re2 Ne6 31. Qc3 Kg8 32. Nd3 Ng7 33. Nfe5 (33. Rh1 $15) 33... Kh7 (33... g5 $17 {Threatens to win with ...f6.} 34. Nc5 Bxe5 35. dxe5 Rxe5) 34. Qc2 Nf5 35. Rbe1 f6 (35... Qb8 $17 36. g4 Nh4+ 37. Kg3 g5) 36. Nf3 $15 Kg7 37. Qd2 (37. Nc5 $11) 37... Qc7 {[%cal Rd6g3] aiming for ...Bxg3!} 38. Nf4 Bxf4 39. gxf4 Qd7 40. Rg1 Qe6 {[#] Hoping for ...Qe4.} 41. Qd3 Kf7 42. Kh2 Rg8 43. Ree1 Qe4 (43... Ke8 $17) 44. Qxe4 $11 Rxe4 (44... dxe4 $5 45. Nd2 $8 Rh8 $11) 45. Rc1 Re7 46. Kg2 Rge8 47. Rc3 Re6 48. Re1 R6e7 49. Kf1 Re4 50. Re2 R4e7 51. Ke1 Nd6 52. Kd1 Rg8 53. h4 Ne4 54. Rc1 g5 55. fxg5 fxg5 56. hxg5 {Threatening Ne5+.} Nxg5 57. Ne5+ Kf6 58. f3 Nf7 59. Nd3 Rg3 60. Kd2 (60. b5 $5) 60... Rxf3 61. Rh1 {The position is equal.} Rf5 62. Nf4 $1 Nd6 {[#] Strongly threatening ...Ne4+.} 63. Nxh5+ Kf7 64. Nf4 Ke8 65. Kd3 Kd7 66. Ng6 Rg7 67. Ne5+ Kc7 68. Reh2 Nf7 69. Rh7 Nxe5+ 70. dxe5 Rff7 71. Rxg7 Rxg7 {[%mdl 4096] Endgame KR-KR} 72. Rh4 b6 73. Kd4 bxa5 74. bxa5 Kd7 75. e4 dxe4 76. Kxe4 Rg1 77. Rh7+ Ke6 $1 78. Rh6+ Kd7 79. Rd6+ Ke7 80. Rxc6 Re1+ 81. Kd5 Rd1+ 82. Kc5 Re1 $1 83. Rc7+ ({Much less strong is} 83. Rxa6 $6 Rxe5+ 84. Kc6 Re6+ 85. Kb7 Re5 $14) 83... Ke6 $1 84. Rc6+ Kxe5 85. Rxa6 Rc1+ 86. Kb6 Kd6 87. Kb7+ Kd7 88. Rb6 Rc7+ 89. Kb8 Rc8+ 90. Ka7 Rc7+ 91. Rb7 Kc8 92. a6 Rc6 93. Rb8+ Kc7 94. Rb1 (94. Rb7+ {seems wilder.}) 94... Kc8 95. Rh1 Kc7 96. Rh7+ Kc8 97. Rb7 Re6 98. Rb8+ Kc7 99. Rb7+ Kc8 100. Rb6 Rxb6 101. Kxb6 Kb8 102. a7+ Ka8 103. Ka6 {Accuracy: White = 89%, Black = 81%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.11"]
[Round "6.18"]
[White "Plotkin, Victor"]
[Black "Flear, Glenn C"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "2339"]
[BlackElo "2420"]
[Annotator "TA"]
[PlyCount "31"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,31,-4,-27,0,0,0,0,0,-9,-10,-4,-5,-11,0,-26,-17,-20,-11,14]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. Nc3 d6 6. Be3 Bxe3 7. fxe3 O-O 8. O-O Ne7 {C50: Hungarian Defence and Giuoco Pianissimo.} 9. Qe1 c6 10. Bb3 Ng6 11. Nh4 Nxh4 12. Qxh4 {[#]} Be6 $146 ({Predecessor:} 12... d5 13. Rad1 Be6 14. exd5 Nxd5 15. Qxd8 Raxd8 16. Bxd5 cxd5 17. a3 a6 18. d4 f6 {1-0 (55) Mihelj,E (1873)-Raimo,I (1703) Nova Gorica 2012}) 13. Rf3 Nd7 14. Qf2 Nc5 15. Bxe6 fxe6 16. Rxf8+ {A rather calm draw. Accuracy: White = 85%, Black = 88%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.11"]
[Round "6.19"]
[White "McDonald, Neil"]
[Black "Findlay, Ian T."]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "2410"]
[BlackElo "2159"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,67,39,31,39,37,56,43,49,38,46,36,18,43,157,148,187,179,173,173,158,157,164,183,265,258,221,115,225,216,222,222,199,204,220,210,189,195,241,235,213,191,141,142,586,604,582,520]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 O-O 9. O-O-O {[%cal Ba1d1,Bd1d4,Bd4g4][%mdl 32]} d5 10. Nxc6 bxc6 11. Bh6 $1 {[%mdl 4] now scores much better than the old 11.exd5.} Bxh6 12. Qxh6 Rb8 {B76: Sicilian Dragon: Yugoslav Attack, 9 g4 and 9 0-0-0.} 13. e5 Nd7 14. Rd4 $1 {[%cal Rd4h4]} Re8 $1 {[#] White is slightly better.} 15. e6 $146 ({Much weaker is} 15. Rh4 Nf8 $15) ({Predecessor:} 15. h4 Qb6 16. h5 Nf8 17. hxg6 fxg6 18. Rf4 Qe3+ 19. Kd1 Bf5 20. Bd3 e6 21. g4 Rxb2 22. gxf5 Reb8 23. Rb4 Qxh6 24. Rxh6 R2xb4 25. fxg6 hxg6 26. Bxg6 Kg7 {0-1 (26) Denivet,A (1932)-Roger,M (2125) Roux 2019}) 15... fxe6 16. Bd3 $40 {[%mdl 128] Bxg6! would kill now. White is up to no good.} Nf8 $1 17. h4 {h5 is the strong threat.} Qd6 {[#]} (17... e5 $14 18. Ra4 Qb6) 18. h5 $1 $16 {[%cal Rh5g6]} Qe5 {[#]} 19. Rg4 $1 {[%cal Rh5g6][%mdl 512]} Qg7 20. hxg6 Qxh6+ 21. Rxh6 {[%cal Rg6h7]} hxg6 22. Bxg6 {White wants to mate with Bh7+!} Nxg6 (22... Kg7 {keeps fighting.} 23. Bxe8+ Kxh6) 23. Rhxg6+ $18 Kf7 24. Rh6 (24. Rg7+ $18 Kf6 25. R4g5) 24... Rf8 (24... e5 $16 25. Rg5 Bd7) 25. Rf4+ Ke8 26. Rxf8+ Kxf8 {[%mdl 4096] Endgame KRB-KRN} 27. Rh8+ Kg7 28. Rd8 e5 29. a3 {[%cal Ba2a3,Ba3a4][%mdl 32]} a5 30. Na4 Kf7 31. Nc5 Rb5 32. Nd3 ({Don't take} 32. Rxc8 $6 Rxc5 33. Kd2 e4 $14) 32... Bb7 $2 {[%mdl 8192]} (32... e4 $16) 33. a4 Rb6 34. Rb8 {Accuracy: White = 90%, Black = 47%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.11"]
[Round "6.20"]
[White "Barron, Michael"]
[Black "Plaskett, H James"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2075"]
[BlackElo "2401"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,61,40,48,61,27,22,27,46,27,37,0,0,16,83,34,45,37,47,31,58,58,62,19,63,33,18,28,61,60,62,67,71,25,14,14,37,19,384,390,393,393,400,400,393,393,379,240,376,389,765,749]} 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 c6 5. Qd2 b5 6. Bd3 Nd7 7. Nf3 Bb7 {B06: Modern Defence.} 8. a4 b4 9. Ne2 a5 {White has an edge.} 10. Ng3 {[#]} h5 $146 ({Predecessor:} 10... Qc8 11. c3 bxc3 12. bxc3 Ba6 13. O-O Bxd3 14. Qxd3 Ngf6 15. e5 dxe5 16. Nxe5 O-O {½-½ (32) Abu Sufian,S (2374)-Rahman,Z (2525) Dhaka 2012}) 11. h4 Nh6 12. c3 Rb8 (12... Ng4 $11 {keeps the balance.}) 13. O-O Ng4 14. Bg5 $36 {[%mdl 2048] Black is under pressure.} c5 15. Bb5 {And now dxc5 would win.} bxc3 16. bxc3 O-O 17. Rfe1 Rc8 18. Rad1 cxd4 19. cxd4 Nb8 20. e5 dxe5 21. Nxe5 Qd5 {[%csl Gb7][%cal Rd5g2] [#]} 22. f3 Nxe5 23. dxe5 Qc5+ 24. Qf2 (24. Qe3 {with more complications.} Qxe3+ 25. Rxe3 Nc6 26. Ne2 e6 27. Rd7) 24... Bxe5 $2 {[%mdl 8192] Loses the game.} (24... Qxf2+ $11 {and Black has nothing to worry.} 25. Kxf2 Rc2+ 26. Re2 Rxe2+ 27. Nxe2 Bxe5) 25. Qxc5 $18 Rxc5 26. Bxe7 {[%mdl 64] [#] Double Attack} Rxb5 27. axb5 Bxg3 28. Bxf8 Kxf8 29. Rd8+ Kg7 30. Ree8 Nc6 $2 (30... Na6 31. bxa6 Bxa6 32. Rg8+ Kh7 33. Rh8+ Kg7 34. Rhg8+ Kh7 35. Rh8+ Kg7 36. Rdg8+ Kf6 37. Rxh5 Be5 38. Rxe5 Kxe5) 31. Rd7 {Accuracy: White = 72%, Black = 60%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.11"]
[Round "6.21"]
[White "Kozak, Milos"]
[Black "Sokolin, Leonid"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "2174"]
[BlackElo "2496"]
[Annotator "TA"]
[PlyCount "25"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,25,24,70,79,77,77,87,78,87,27,94,60,81,87,93,83,116,129]} 1. d4 g6 2. c4 Bg7 3. Nf3 c5 4. d5 f5 5. g3 e5 6. dxe6 {A40: Unusual replies to 1 d4.} dxe6 7. Qxd8+ Kxd8 {[#]} 8. Nc3 $146 ({Predecessor:} 8. Bg5+ Nf6 9. Nc3 h6 10. O-O-O+ Nbd7 11. Bf4 Ng4 12. Be3 Nxe3 13. fxe3 Ke7 14. Kc2 Bxc3 15. Kxc3 {1-0 (34) Van Drunick,J-Solodovnichenko,Y (2571) Leiden 2009}) 8... Nc6 9. Bd2 ({Better is} 9. Bg5+ $16 Ke8 10. Bg2) 9... Nf6 (9... b6 $11) 10. O-O-O {Threatens to win with Bh6+.} Ke7 {[#]} 11. Bg2 $1 {White is better.} Bd7 12. Bf4 Rac8 13. Bd6+ 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.11"]
[Round "6.22"]
[White "Dolgitser, Konstantin"]
[Black "Bartos, Jan"]
[Result "1/2-1/2"]
[ECO "E10"]
[WhiteElo "2232"]
[BlackElo "2102"]
[Annotator "TA"]
[PlyCount "31"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,31,0,3,-10,13,-9,4,-4,-4,-17,-10,-16,-13,-30,-23,-20,-27,-412]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. O-O c6 8. Qc2 Nbd7 9. Bc3 {E11: Bogo-Indian.} b6 10. Nbd2 Bb7 11. e4 {The position is equal.} dxc4 {[#]} 12. e5 $146 ({Predecessor:} 12. Nxc4 c5 13. Rfe1 cxd4 14. Nxd4 Rc8 15. b3 a6 16. Qe2 b5 17. Ba5 Qe8 18. e5 Bxg2 19. exf6 Nxf6 {1-0 (62) Mammadzada,G (2427)-Shuvalova,P (2434) Budva 2019}) 12... Nd5 13. Nxc4 Rc8 14. Ne3 c5 15. Nxd5 Bxd5 16. Rfe1 $2 {[%mdl 40960] White got outplayed after the opening. An unexpected result.} (16. Rfd1 $11) 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.11"]
[Round "6.23"]
[White "Trejbal, Stanislav"]
[Black "Koganov, Mikhail"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "2092"]
[BlackElo "2085"]
[Annotator "TA"]
[PlyCount "132"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,132,0,16,-95,-84,-87,-85,-98,-91,-89,-43,-85,-78,-79,-81,-78,-64,-68,-30,-19,-29,-29,-25,-75,-74,-68,-73,-68,-51,-53,-47,-45,-49,-46,-43,-89,-16,-36,-38,-85,-37,-51,-26,-81,-77,-103,-101,-119,-119,-132,-138,-151,-141,-141,-123,-277,-260,-291,-302,-256,-257,-300,-298,-253,-170,-171,-174,-387,-385,-483,-483,-483,-276,-436,-420,-1073,-1069,-1247,-1226,-1120,-1023,-1120,-1203,-1170,-1112,-831,-854,-804,-767,-848,-832,-802,-771,-813,-789,-1943,-1903,-1919,-1700,-6583,-29948,-29948,-29955,-9449,-6972,-29962,-29963,-29964,-29966,-29967,-29970,-29969,-29969,-29968,-29970,-29972,-29971,-29972,-29973,-29970,-29973,-29977,-29978,-29973,-6436]} 1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. d5 Be7 5. Nge2 {[#]} h5 $146 ({Predecessor:} 5... c6 6. g3 Qc7 7. Bg2 cxd5 8. exd5 Bf5 9. O-O Qd7 10. Re1 Bh3 11. Bh1 Qf5 {0-1 (44) Purenne,B (2239)-Germes,B (2021) Sautron 2012}) 6. Bg5 {B07: Pirc Defence: Miscellaneous Systems.} (6. f3 $11 {remains equal.}) 6... Nxd5 $1 $17 {[%mdl 64] Discovered Attack} 7. Bxe7 Nxe7 8. Qd2 {Black is better.} Be6 9. O-O-O Ng6 10. f4 exf4 11. Nxf4 Nxf4 12. Qxf4 Nd7 13. Bb5 O-O 14. Bxd7 Qxd7 15. e5 Bg4 16. Rd4 dxe5 17. Qxe5 Qe6 18. Qg5 Qg6 19. Qxg6 fxg6 20. h3 Be6 21. Re1 c5 $36 {[%mdl 2048] Black fights for an advantage.} 22. Rde4 Bf5 (22... Bd7 $1 $17) 23. Re7 Rf7 24. R1e5 Rxe7 25. Rxe7 {[%mdl 4096] Endgame KRB-KRN} b6 {[%cal Bb7b6,Bb6b5][%mdl 32]} 26. Nd5 (26. a4 $11) 26... Rd8 27. Ne3 {[#]} Bd7 $1 28. b3 Kf8 29. Re5 Re8 30. Nc4 b5 31. Rxe8+ Bxe8 {KB-KN} 32. Ne5 $2 {Loses the game.} (32. Na5 $17 {is a better defense.}) 32... Ke7 $19 33. Kd2 {[#]} Kd6 $1 {[%cal Rd6e5]} 34. Nd3 Bc6 35. g3 g5 36. Ke3 c4 37. bxc4 bxc4 38. Nf2 $2 (38. Nb2) 38... Ke5 39. h4 gxh4 40. gxh4 Bg2 (40... Kf5 $142 41. a3 g5 42. hxg5 Kxg5) 41. c3 (41. Nd1 {was forced.}) 41... a6 42. a3 (42. Nd1 $142 Ba8 43. Ke2) 42... Kf5 43. Nd1 Kg4 44. Kf2 Bb7 45. Ne3+ Kxh4 46. Nxc4 Kg5 47. Na5 Bc8 48. c4 Kf6 49. Nc6 Bb7 50. Nb4 Ke7 51. c5 a5 52. c6 Bc8 53. Nd5+ Kd6 {[%mdl 64] Double Attack} 54. Nf4 h4 55. Ng6 h3 56. Kg3 Kxc6 57. Ne7+ Kc7 {Black mates.} 58. Nd5+ Kd6 59. Nb6 Be6 60. Na4 g5 61. Nc3 g4 62. Ne2 Bd7 63. Nc3 Ke5 64. Ne2 a4 65. Nc1 Kd4 66. Ne2+ Kc4 {Accuracy: White = 48%, Black = 81%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.11"]
[Round "6.24"]
[White "Leverett, Bruce"]
[Black "Chaloupka, Frantisek"]
[Result "1-0"]
[ECO "D27"]
[WhiteElo "2264"]
[BlackElo "1990"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,79,6,12,6,15,12,210,213,229,227,374,339,383,370,368,343,348,301,329,199,180,197,200,195,200,217,218,231,277,271,277,276,258,247,217,214,262,253,242,235,265,258,353,353,362,354,364,362,362,346,360,343,429,424,441,390,525,526,604,597,702,699,681,671,795,762]} 1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 c5 6. O-O a6 7. Nc3 b5 8. Bb3 Bb7 9. e4 $1 {[%mdl 4] now scores much better than the old 9.Qe2. D27: Queen's Gambit Accepted: Classical main line: 7 e4!? and 7 a4.} cxd4 10. Nxd4 {[#]} Bb4 $146 {[#]} (10... Nc6 $11 11. Nxc6 Qxd1 12. Nxd1 Bxc6) ({Predecessor:} 10... Nc6 11. Nxc6 Qxd1 12. Rxd1 Bxc6 13. f3 Bc5+ 14. Kf1 Ke7 15. Ne2 Rhd8 16. Bg5 Rxd1+ 17. Rxd1 {1-0 (45) Artemiev,V (2736)-Izoria,Z (2603) Astana 2019}) 11. e5 $18 {White is clearly better.} Bxc3 12. bxc3 Nd5 (12... Ne4 {might work better.}) 13. Qg4 O-O {[#]} 14. Bh6 $1 {[%csl Gh6][%cal Rg4g7][%mdl 512]} g6 15. Bxf8 Kxf8 16. Rad1 Nd7 17. Rfe1 {Hoping for Qxe6!} Qe7 18. c4 bxc4 19. Bxc4 N7b6 20. Bb3 Rc8 21. Rc1 Qd7 22. Rxc8+ Nxc8 23. Rc1 Nce7 24. Ba4 Qd8 25. Nb3 ({But not} 25. Qxe6 $6 Nf5 $16) 25... Nb6 26. Nc5 Bd5 27. Bb3 Bxb3 28. axb3 Qd2 29. Qd1 Qxd1+ 30. Rxd1 {[%mdl 4096] Endgame KRN-KNN} a5 31. f4 Nbd5 32. g3 Nc6 33. Ra1 g5 34. fxg5 Nxe5 35. h4 Ke7 36. Rxa5 {White is clearly winning.} Nf3+ 37. Kf2 Nd4 38. Ra7+ Kf8 39. h5 Kg7 40. Rb7 {Black did not feel at home in the position after the opening. Accuracy: White = 89%, Black = 48%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.11"]
[Round "6.25"]
[White "Priehoda, Vitezslav"]
[Black "Vltavsky, Vladimir"]
[Result "0-1"]
[ECO "E41"]
[WhiteElo "2337"]
[BlackElo "2212"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,72,6,25,0,7,-4,-8,-43,-40,-22,-23,-40,-35,-42,-4,-14,-6,-12,-12,-29,0,-82,-82,-82,-72,-82,-82,-86,-81,-82,-72,-72,-76,-79,-71,-78,-71,-87,-85,-140,-86,-149,-83,-151,-152,-156,-147,-302,-297,-309,-327,-381,-370,-533,-533,-518,-469,-850,-816,-2881,-2895]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nge2 cxd4 7. exd4 d5 8. c5 {E41: Nimzo-Indian: Rubinstein: 4...c5 5 Bd3, including Hübner Variation.} O-O 9. a3 Bxc3+ $1 10. bxc3 {The position is equal.} b6 11. cxb6 axb6 {[#]} 12. O-O $146 ({Predecessor:} 12. Bg5) 12... Ba6 13. Bc2 Ne4 14. f3 Nd6 15. Re1 Na5 {[%cal Bc6a5,Ba5b3,Bb3c1][%mdl 32]} 16. a4 Rc8 17. Bd3 (17. Bd2 $11) 17... Bxd3 $17 18. Qxd3 Nb3 19. Ra2 Nxc1 20. Rxc1 Ra8 21. Rb1 Nc4 22. Rb4 Qc7 23. Qb1 Ra7 24. h3 Rfa8 25. Qb3 g6 26. Kf2 (26. Qc2 $142) 26... Kg7 ({Better is} 26... Qd8 27. Qb1 Ra5) 27. Qd1 ({White should try} 27. Kg1) 27... Ra5 (27... Nd6 $142 28. Rab2 Qd7) 28. Qb3 ({White should play} 28. Nc1) 28... h5 29. Qb1 Qd7 30. Qb3 $2 {[#]} (30. Nc1 $17) 30... b5 $1 $19 {[%cal Bb6b5,Bb5a4][%mdl 544]} 31. Nc1 {[%cal Rb4b5]} (31. axb5 Rxa2) 31... Rxa4 ({Don't do} 31... bxa4 32. Qb1 $19) 32. Raxa4 bxa4 33. Qa2 (33. Qd1 {is a better defense.}) 33... a3 {Black is clearly winning.} 34. Nd3 Qc7 35. Nc5 (35. Rb1 $142 Qh2 36. Re1) 35... Qf4 36. Kg1 Qd2 {White did not feel at home in the position after the opening. Accuracy: White = 49%, Black = 82%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.11"]
[Round "6.26"]
[White "Cerny, Martin"]
[Black "Vokac, Marek"]
[Result "0-1"]
[ECO "A56"]
[WhiteElo "2123"]
[BlackElo "2348"]
[Annotator "TA"]
[PlyCount "110"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,110,0,22,0,0,0,0,0,0,-5,62,47,71,-7,-4,-9,-5,-14,-12,-20,0,0,0,-12,-17,-32,-27,-41,-44,-38,-33,-25,-5,0,0,0,4,0,0,0,0,-83,-29,-60,-55,-54,-34,-33,-9,-90,-82,-77,-81,-91,-79,-110,-72,-50,-15,-11,0,-41,-35,-27,-31,-27,-26,-62,-26,-26,-27,-34,-42,-186,-38,-60,-53,-59,-15,-56,0,0,0,0,0,-80,-93,-168,-161,-179,-152,-190,-80,-272,-119,-123,-116,-540,-534,-526,-514,-490,-469]} 1. d4 Nf6 2. c4 c5 3. e3 g6 4. Nc3 Bg7 5. Be2 O-O 6. Bf3 {A56: Czech Benoni.} cxd4 7. exd4 Nc6 8. Nge2 {The position is equal.} d6 9. O-O Bg4 (9... e5 $11) 10. Bxg4 $1 $14 Nxg4 {[#]} 11. b3 $146 (11. d5 $16) ({Predecessor:} 11. d5 Nce5 12. Ng3 Rc8 13. f4 Qb6+ 14. Kh1 Nf2+ 15. Rxf2 Qxf2 16. fxe5 Bxe5 17. Nce4 {½-½ (39) Fechner,J (1603)-Wehmeier,S (1813) Germany 2014}) 11... d5 $11 12. h3 Nf6 13. c5 b6 14. cxb6 axb6 15. Be3 Qd7 16. Qb1 Rfc8 17. Rc1 e6 18. Na4 Qb7 19. Qd3 Nd7 20. Nec3 Bf8 21. Nb5 Qa6 22. Qf1 Qb7 23. Bd2 Nf6 24. Rc2 Ne4 25. Be1 (25. Bf4 $11) 25... Nd6 (25... Nb4 $17 26. Rxc8 Rxc8) 26. Nxd6 Bxd6 27. Rd1 b5 28. Nc5 Qb6 29. b4 (29. Qd3 $1 $11 {remains equal.}) 29... Rc7 $17 30. Qd3 Rca7 31. Qe2 Ne7 {[%cal Bc6e7,Be7g8,Bg8f6][%mdl 32]} 32. g4 Kg7 33. Bd2 Ng8 34. Bc1 Nf6 35. a3 h5 36. Kg2 hxg4 37. hxg4 Rh8 38. Rh1 Rxh1 39. Kxh1 Qd8 40. Kg1 Qh8 {( -> ...Qh2+)} 41. Qf3 (41. f3 $1 $15) 41... Qh2+ ({Black should play} 41... Qh4 $19 {Threatens to win with ...Ra8.} 42. g5 Nh7) 42. Kf1 $15 Qh4 $36 {[%mdl 2048] White is under pressure.} 43. g5 Ng4 {Strongly threatening ...Nh2+.} 44. Ke2 Be7 (44... Re7 $15 45. Nd3 e5 46. dxe5 Bxe5 47. Nxe5 Kh7) 45. Qf4 $11 Bxg5 46. Qxg5 Qxf2+ {[%mdl 64] Double Attack} 47. Kd1 (47. Kd3 $11 Qf3+ 48. Kd2) 47... Qxd4+ $17 48. Ke2 (48. Rd2 $17 Qg1+ 49. Ke2 Qf2+ 50. Kd3 Qg3+ 51. Ke2) 48... Qf2+ $19 {[%mdl 1024] Black has strong compensation.} 49. Kd1 Qg1+ 50. Ke2 d4 (50... e5 $1 $19 {has better winning chances. White must now prevent ...Qg3.} 51. Qd2 Rxa3 $1 {[%mdl 512]}) 51. Nd3 $2 {[#]} (51. Bf4 $17) 51... Qg2+ (51... f6 $1 $19 {[%cal Rf6g5] is more deadly.} 52. Qf4 e5) 52. Kd1 $17 Qf3+ 53. Ke1 $2 {[%mdl 8192]} (53. Kd2 $17) 53... Qxd3 $19 {Black is clearly winning.} 54. Qxg4 {Hoping for Rc8.} Qxc2 55. Qxd4+ {[#]} e5 $1 {Accuracy: White = 67%, Black = 70%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.11"]
[Round "6.27"]
[White "Zpevak, Pavel"]
[Black "Marsalek, Zdenek"]
[Result "1/2-1/2"]
[ECO "D11"]
[WhiteElo "2344"]
[BlackElo "2177"]
[Annotator "TA"]
[PlyCount "31"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,15,24,19]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qc2 g6 5. Bf4 Bg7 6. e3 O-O 7. Nc3 Na6 8. Be2 {[#]} {Predecessor:} Bf5 $146 {D93: Grünfeld: 4 Nf3 Bg7 5 Bf4 0-0 6 e3.} 9. Qb3 Qb6 10. Qxb6 axb6 11. cxd5 Nxd5 12. Nxd5 cxd5 13. Kd2 Rfc8 14. Rhc1 Nc5 15. Ke1 Na4 16. b3 {0-1 (60) Postny,E (2569)-Saric,I (2662) Mali Losinj 2017} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.11"]
[Round "6.28"]
[White "Zahorbensky, Jaroslav"]
[Black "Polasek, Jaroslav"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "2098"]
[BlackElo "2365"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,66,0,8,0,0,0,0,0,10,10,6,0,16,-28,-25,-35,-31,-54,-37,-45,-51,-54,-32,-53,-52,-41,-45,-64,-69,-164,-45,-170,-177,-193,-212,-240,-222,-272,-55,-58,-57,-954,-942,-1417,-941,-1400,-1336,-2620,-2970,-2602,-2579,-2067,-2048,-29995,-29996,-29997,-29998,-29998,-29999]} 1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bf4 Nf6 5. Bd3 c5 6. dxc5 {C01: French: Exchange Variation.} Bxc5 7. Nf3 O-O 8. O-O {The position is equal.} Bg4 9. h3 Bh5 10. Nbd2 Nc6 11. Nb3 Bb6 12. c3 Re8 13. g4 Bg6 14. Bxg6 hxg6 {[#]} 15. Nbd4 $146 ({Predecessor:} 15. Re1 Ne4 16. Nfd4 Qf6 17. Be3 Ne5 18. f3 Nd6 19. g5 Qd8 20. Bf4 Ndc4 21. Qc2 Nxf3+ {0-1 (21) Sally,P (1973)-Pieroni,G (2200) Le Grand Bornand 2007}) 15... Re4 16. Be3 Qd7 {...Nxg4! is the strong threat.} 17. Re1 Rae8 18. Ng5 R4e7 19. Qd2 {[#]} ({White should play} 19. Nc2 $15) 19... Bc7 (19... Nxg4 $1 $19 {[%mdl 512]} 20. Nxc6 (20. hxg4 Qxg4+) 20... bxc6 21. Bxb6 axb6 22. Rxe7 Rxe7) 20. Kf1 (20. Ndf3 $1 $15) 20... Ne5 $19 21. b3 {[#]} Ne4 $1 {[%cal Re4d2]} 22. Nxe4 dxe4 23. Ke2 Nxg4 $2 (23... f5 $19 24. gxf5 gxf5) 24. hxg4 $15 Qxg4+ 25. f3 $2 {[%mdl 8192]} (25. Kf1 $15) 25... exf3+ $19 {[%mdl 64] Discovered Attack} 26. Kd3 Qe4+ 27. Kc4 {[#]} b5+ $1 {[%mdl 512]} 28. Kb4 (28. Kxb5 Re6) 28... Bd6+ 29. Ka5 Qb7 {[%csl Ga7][%cal Rb7b6]} 30. Nxb5 {[#]} Rxe3 $1 {[%mdl 512]} 31. Nxd6 (31. Qxe3 Rxe3) 31... R8e5+ {Black mates.} 32. Ka4 Qa6+ 33. Kb4 Qa5+ {Accuracy: White = 54%, Black = 83%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.11"]
[Round "6.29"]
[White "Strutinskaia, Galina"]
[Black "Fritsche, Lutz"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2214"]
[BlackElo "2321"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,64,4,12,19,-2,8,0,16,-16,6,-30,-36,-31,-12,-28,-20,-110,-95,-112,-124,-139,-142,-233,-95,-184,-163,-337,-314,-467,-425,-624,-625,-756,-703,-1211,-1166,-1160,-1126,-29978,-29979,-29973,-7150,-29978,-29978,-3097,-2929]} 1. d4 g6 2. g3 Bg7 3. Bg2 d6 4. Nf3 Nf6 5. O-O O-O 6. c4 Nbd7 7. b3 e5 8. Bb2 Re8 9. e3 e4 10. Nfd2 Nf8 11. Nc3 {[%cal Rc3e4]} Bf5 $1 {E67: King's Indian: Fianchetto: 6...Nbd7.} 12. b4 h5 13. Qc2 {[%cal Rd2e4]} Qe7 {[#] The position is equal.} 14. Rfc1 $146 ({Predecessor:} 14. Nd5 Nxd5 15. cxd5 Nh7 16. Rfe1 Nf6 17. Qb3 h4 18. h3 Kh7 19. g4 Bxg4 20. hxg4 Nxg4 21. Nxe4 {1-0 (49) Tejero Royo,F (2136)-Garcia Castellote,D (2009) La Pobla de Lillet 2012}) 14... c6 15. a4 h4 16. a5 hxg3 17. hxg3 a6 18. b5 {[#]} (18. d5 $11) 18... N8h7 $1 $17 19. bxc6 bxc6 20. Qa4 Ng5 21. Ba3 {[#]} (21. Ne2 $17) 21... Bd7 (21... Qd7 $1 $19 {is more deadly.} 22. Ne2 Bh3) 22. Qb4 (22. Rab1 $17 {was worth a try.}) 22... Bf8 23. Nd1 $2 (23. Ne2) 23... Qe6 $19 24. Ra2 (24. f4 $142 exf3 25. Nxf3 Nh3+ 26. Kh2) 24... Qg4 25. Qb2 (25. Qb3 $142 Rab8 26. Qc2) 25... Qh5 26. d5 Bg7 27. dxc6 Bh3 {( -> ...Bxg2)} 28. Bh1 Bg4 29. Nc3 Nf3+ 30. Nxf3 Bxf3 {[%csl Gf3][%cal Rh5h1]} 31. Bg2 Ng4 32. Kf1 Qh2 {Accuracy: White = 22%, Black = 88%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.11"]
[Round "6.30"]
[White "Schulz, Klaus-Juergen"]
[Black "Sirotkina, Nina"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "2331"]
[BlackElo "2183"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,83,0,20,18,14,0,0,7,45,17,37,7,26,12,19,16,16,7,1,-11,-15,-10,16,10,28,18,17,16,23,-13,-15,-12,-8,0,22,22,22,22,33,15,29,0,25,25,56,56,56,56,56,25,33,25,56,56,56,25,25,25,56,0,25,0,56,56,38,3,4,0,0,6]} 1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 d6 5. Bg2 Nf6 6. O-O Be7 7. Re1 O-O 8. c3 e5 9. Nbd2 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6.} Re8 10. a4 Bf8 11. Nc4 {[#]} b6 $146 ({Predecessor:} 11... h6 12. a5 Be6 13. Qa4 Qd7 14. Bd2 Rab8 15. b4 Bh3 16. b5 Nd8 17. b6 a6 18. Qxd7 Bxd7 {1-0 (44) Giri,A (2762)-Podlesnik,B (2372) Antalya 2017}) 12. Ne3 g6 13. Nd2 Bh6 14. Ndc4 Rb8 15. Qf3 Bg7 16. h3 a6 17. Ng4 Nxg4 18. hxg4 f6 19. Ne3 Rf8 20. Qe2 Be6 21. Nd5 Ne7 22. Be3 Nxd5 23. exd5 Bd7 24. d4 a5 25. dxe5 fxe5 26. Be4 Bf6 27. f3 Bg5 28. c4 Bxe3+ 29. Qxe3 Qf6 30. Kg2 Rf7 31. Rh1 Rbf8 32. Rh6 Rg7 33. b3 Be8 34. Rah1 Qe7 35. R1h4 Bd7 36. Qc1 Be8 37. Qe3 Bd7 38. Rh1 Be8 39. R6h4 Qf6 40. g5 Qe7 41. Re1 Bd7 42. Bd3 {Accuracy: White = 77%, Black = 79%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.11"]
[Round "6.31"]
[White "Bogumil, Tatiana"]
[Black "Maier, Christian"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "2182"]
[BlackElo "2294"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,86,33,35,20,27,15,27,21,14,0,0,4,2,-22,-3,-16,-6,-7,0,0,0,0,0,0,0,0,0,0,0,-21,0,0,0,0,0,0,0,-17,-14,-43,0,0,0,0,0,0,0,0,-6,-16,0,0,15,7,20,0,0,0,0,0,3,0,0,0,0,0,0,0,0,-61,-19,-71,0,0,0,0,0,0,0]} 1. Nf3 Nc6 2. d4 d6 3. e4 e5 4. h3 exd4 5. Nxd4 Nf6 6. Nxc6 {C41: Philidor Defence.} bxc6 7. Bd3 Be7 8. O-O {White has an edge.} O-O 9. c4 Nd7 10. Nc3 Bf6 {[#]} 11. Bd2 $146 ({Predecessor:} 11. Qc2 Ne5 12. Be2 a5 13. Be3 Qe7 14. Rad1 Bb7 15. f4 Nd7 16. Bf3 g6 17. b3 {½-½ (63) Betz,E (2011)-Ranki,M (1927) Dresden 2010}) 11... Re8 12. Re1 Nc5 13. Bc2 Rb8 14. Rb1 Ne6 15. Ba4 Bd7 16. b4 Be5 17. Ne2 Qh4 18. Bc2 c5 19. bxc5 Nxc5 20. Rxb8 Rxb8 21. f4 Bb2 22. Be3 Qe7 23. Ng3 Bc3 24. Re2 Be6 25. Bd4 Bxd4+ 26. Qxd4 Qh4 27. Nf5 Bxf5 $1 28. exf5 Qf6 29. Qe3 {[#] Qe8+! would kill now.} Rf8 30. Kh2 h6 31. g4 Qh4 32. Qd4 a6 33. Qe3 Rb8 34. f6 Ne6 35. fxg7 {[#] aiming for Qe4.} Qf6 36. Rf2 $40 {[%mdl 128] White attacks.} Qd4 37. Qxd4 Nxd4 $11 {[%mdl 4096] Endgame KRB-KRN} 38. Be4 Kxg7 39. g5 ({Better is} 39. Rd2 $11 Ne6 40. Kg3) 39... Rb4 40. Bd3 (40. Bd5 $11 {remains equal.}) 40... hxg5 ({Black should play} 40... Ra4 $17) 41. fxg5 {The position is equal.} Nc6 42. c5 a5 43. cxd6 cxd6 {Accuracy: White = 94%, Black = 91%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.11"]
[Round "6.32"]
[White "Polster, Wolfgang"]
[Black "Fatalibekova, Elena"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2201"]
[BlackElo "2158"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,101,0,7,14,-18,9,-3,8,12,34,-12,-15,-19,0,0,0,0,0,0,143,138,140,122,141,136,120,103,96,91,110,118,97,112,185,184,341,299,381,402,664,666,826,825,809,822,784,792,1039,1017,968,675,897,568,929,918,883,899,953,899,1075,1045,1022,1037,1133,1365,1365,1360,1378,1361,1309,1264,1165,800,1241,1195,1255,1021,1036,1000,2906,2460,1823,1403]} 1. e4 c5 2. Nf3 e6 3. d3 d5 4. Nbd2 g6 5. g3 Bg7 6. Bg2 Ne7 7. O-O Nbc6 8. Re1 O-O 9. c3 Qc7 10. Qe2 b6 11. e5 a5 {A08: King's Indian Attack.} 12. a4 Ba6 {[#]} 13. Nb1 $146 ({Predecessor:} 13. h4 Rab8 14. Nf1 b5 15. axb5 Rxb5 16. N1h2 Kh8 17. h5 Ng8 18. Bh3 Bc8 19. d4 Qb8 20. Bf1 Na7 21. Qc2 {0-1 (41) Dordzhieva,D (2277)-Chernyak,V (2241) Loo 2017}) 13... b5 {The position is equal.} 14. axb5 Bxb5 15. Bf4 Ba6 16. Nbd2 {[%cal Bb1d2,Bd2e4,Be4f6][%mdl 32]} Rab8 17. b3 h6 18. h4 h5 19. Bh3 d4 (19... Qb6 $11) 20. c4 $16 Nb4 {With the idea ...Nc2.} 21. Ne4 Bb7 {Strongly threatening ...Bxe4.} 22. Nf6+ Kh8 {White should prevent ...Bxf3.} 23. Bg2 Nf5 24. Qd2 Bc6 {[#]} 25. Ng5 $1 Bxg2 26. Kxg2 Qb7+ {[#]} (26... Nc6 $16 {was worth a try.}) 27. Nge4 $1 $18 Qc7 $2 (27... Ra8 {is a better defense.} 28. Bg5 Bxf6 29. Bxf6+ Kh7) 28. Rh1 Nc6 29. g4 Nxe5 ({Much worse is} 29... hxg4 30. h5 $18) (29... Nfe7 $142 30. gxh5 Nf5 31. hxg6 fxg6) 30. gxf5 {White is clearly winning.} exf5 31. Nd5 Qb7 32. Nxc5 Qc6 33. Rxa5 Rfd8 34. Bxe5 Bxe5 35. Qh6+ Kg8 36. f3 {[%cal Rd5e7]} Re8 37. Re1 Bg7 38. Qd2 Kh7 39. b4 Rxe1 40. Qxe1 Re8 41. Qf2 Qd6 42. Ra6 Qd8 43. Ra7 {[%cal Ba6a7,Ba7b7,Bb7b8][%mdl 32]} Kg8 44. f4 Qb8 45. Rb7 Qd8 46. Kh3 Qd6 47. Nd7 Re6 48. Rb8+ Kh7 49. Rd8 Qc6 50. b5 Qb7 51. Nc5 {Accuracy: White = 84%, Black = 47%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.11"]
[Round "6.33"]
[White "Netusil, Miloslav"]
[Black "Pekarek, Ales"]
[Result "1/2-1/2"]
[ECO "A57"]
[WhiteElo "2151"]
[BlackElo "2274"]
[Annotator "TA"]
[PlyCount "27"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,27,47,47,11,72,67,91,97,154,158,154,131]} 1. d4 Nf6 2. c4 c5 3. d5 b5 4. Qc2 bxc4 5. e4 d6 6. Nc3 g6 7. Bxc4 Bg7 8. Nf3 O-O 9. O-O Nbd7 10. Bf4 {[#] A57: Benko/Volga Gambit.} h6 $146 (10... Ng4 $11) ({Predecessor:} 10... Ng4 11. Rab1 Nge5 12. Nxe5 Nxe5 13. b3 f5 14. f3 h6 15. Ne2 g5 16. Bxe5 Bxe5 17. exf5 Bxf5 {½-½ (36) Nguyen Cadoret,N (1964)-Ciccoli,T (2126) Agen 2018}) 11. h3 $16 Nh7 12. Rfe1 Rb8 {[#]} (12... Nb6 $142 13. Bb5 Rb8) 13. e5 $1 Rb4 {...dxe5 is the strong threat.} 14. b3 {Black got outplayed after the opening} ({But not} 14. exd6 $6 exd6 15. b3 Nb6 $11) 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.11"]
[Round "6.34"]
[White "Sorm, Daniel"]
[Black "Pilar, Miloslav"]
[Result "1-0"]
[ECO "E48"]
[WhiteElo "2328"]
[BlackElo "2056"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,55,16,36,-14,54,72,70,46,66,38,45,31,31,15,12,22,26,28,63,54,56,22,61,28,58,48,95,90,120,105,120,71,74,72,60,24,100,97,210,204,360,334]} 1. d4 e6 2. c4 Bb4+ 3. Nc3 Nf6 4. e3 O-O 5. Bd3 d5 6. cxd5 exd5 7. Nge2 c6 8. O-O Bd6 9. a3 {[#] E48: Nimzo-Indian: Rubinstein: 5 Bd3 d5 including 6 Ne2, but excluding 6 a3.} Bg4 $146 (9... Re8 $11) ({Predecessor:} 9... Re8 10. Bd2 Ne4 11. Nxe4 dxe4 12. Bc4 Qe7 13. f3 Be6 14. Bxe6 Qxe6 15. fxe4 Qxe4 16. Qb3 Re7 17. Nc3 Qe6 18. Qxe6 Rxe6 19. e4 {Rattay,W (2040)-Owens,J (2122) ICCF email 2016}) 10. f3 $14 Bh5 11. Nf4 {White is slightly better.} Bg6 12. Nxg6 hxg6 13. Kh1 Bc7 14. Bd2 Qd6 {[%csl Gc7][%cal Rd6h2] [#]} 15. g3 Nbd7 {[%cal Bb8d7,Bd7f8,Bf8e6][%mdl 32]} 16. Qe2 Bb6 17. Na4 Rfe8 {White should prevent ...Bxd4!} 18. Qf2 c5 19. Nxb6 axb6 20. g4 Nf8 21. g5 N6h7 22. f4 f5 23. dxc5 bxc5 24. Rfd1 Ne6 25. Qf3 b6 (25... Nc7 $11 {remains equal.}) 26. Bc3 $16 {Bc4! is the strong threat.} Rad8 (26... Nc7 $16 {was necessary.}) 27. Bb5 $18 Rf8 $2 {[#]} (27... d4 28. exd4 (28. Bxe8 Rxe8 29. exd4 cxd4 $18) 28... cxd4 29. Bxe8 Rxe8) 28. Bc4 $1 {[%mdl 512] Accuracy: White = 78%, Black = 43%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.11"]
[Round "6.35"]
[White "Groh, Jiri"]
[Black "Mudrak, Josef"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "1979"]
[BlackElo "2213"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,80,25,0,27,31,47,39,47,39,62,30,52,46,84,58,63,22,17,-10,-22,-8,0,15,30,36,44,44,50,44,49,46,46,-20,-17,-39,-36,-40,-40,-40,-40,-38,-38,-36,-31,-41,-33,-185,-50,-59,-58,-82,-11,-11,-35,-112,-104,-101,-128,-188,-206,-256,-229,-273,-264,-1597,-1586,-1261,-1133,-930,-890]} 1. Nf3 Nf6 2. c4 c6 3. Nc3 g6 4. b3 Bg7 5. Bb2 O-O 6. e3 d5 7. Be2 Bf5 {A11: English Opening: 1...c6.} 8. O-O a5 {[#]} 9. Qc1 $146 ({Predecessor:} 9. Rc1 Na6 10. cxd5 Nxd5 11. d4 Nab4 12. a3 Nxc3 13. Rxc3 Nd5 14. Rc1 Re8 15. Re1 {1-0 (62) Bacrot,E (2697)-Demuth,A (2545) Berlin 2015}) 9... Na6 {White is slightly better.} 10. d4 h6 11. Rd1 g5 12. Ne5 e6 13. Bd3 Bxd3 14. Rxd3 Nd7 15. Ne2 Nxe5 16. dxe5 Qc7 17. f4 Rfd8 18. cxd5 Rxd5 19. Rxd5 cxd5 20. Qxc7 Nxc7 21. Rc1 Na6 22. Nd4 ({White should play} 22. a4 $14) 22... Nb4 $11 23. Rc7 Nd3 24. Bc1 a4 25. Rc3 Nb4 26. Bd2 Nxa2 27. Rc7 gxf4 28. exf4 Bf8 {aiming for ...b6.} 29. Kf1 $2 (29. bxa4 $1 $15 Rxa4 30. Nb5) 29... b6 ({Better is} 29... a3 $19 {And now ...Nb4 would win.} 30. Nc2 d4 $1 {[%mdl 512]}) 30. bxa4 $15 Rxa4 31. Nb5 {[#]} Rc4 (31... Bb4 $1 $17 {[%cal Rb4d2]} 32. Be3 Bc5 33. Bxc5 bxc5) 32. Ra7 Rc2 33. Ke1 {[#]} (33. Be3 $15) 33... Bb4 $1 $17 {[%cal Rb4d2]} 34. Bxb4 Nxb4 {[%mdl 4096] Endgame KRN-KRN} 35. g3 (35. Nd6 $17) 35... Rxh2 $19 36. Nd6 Nc2+ 37. Kd1 Ne3+ 38. Ke1 $2 (38. Kc1) 38... d4 {( -> ...d3). Black is clearly winning.} 39. Ne4 d3 {[%csl Gd3][%cal Rh2e2]} 40. Nf2 {[#]} Rxf2 $1 {[%mdl 64] Promotion. Accuracy: White = 51%, Black = 84%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.11"]
[Round "6.37"]
[White "Frostick, Clive A"]
[Black "Jakel, Wolfgang"]
[Result "1/2-1/2"]
[ECO "B52"]
[WhiteElo "2082"]
[BlackElo "2260"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,99,17,15,4,0,-20,0,6,14,0,0,0,0,0,0,-8,0,-3,0,-25,-5,-9,12,-3,0,-14,-15,-45,-27,-12,-35,-29,-20,-34,0,-17,-17,-4,0,0,0,0,0,0,0,0,0,-8,-5,-9,-10,-11,-15,-15,-12,-20,-6,-6,-6,-6,-5,-6,-6,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 Nc6 6. d4 cxd4 7. Nxd4 Nf6 8. Nc3 e6 9. O-O Be7 10. b3 O-O 11. Bb2 Rac8 12. Re1 Rfd8 13. Qd2 {B52: Sicilian: Moscow Variation with 3...Bd7.} a6 14. Rad1 Qc7 15. h3 {[#]} b6 $146 ({Predecessor:} 15... Bf8) 16. Nc2 Qb7 17. Qe2 Ne8 18. Ne3 Rb8 19. Rc1 Bf6 20. Red1 b5 21. Rd2 Rdc8 22. Ncd1 {[%cal Bc3d1,Bd1f2,Bf2d3][%mdl 32]} Ne5 23. f4 Ng6 24. Qf3 Bxb2 25. Rxb2 Nf6 26. Nf2 bxc4 27. Rxc4 Rxc4 28. Nxc4 Qb4 29. Nd3 {The position is equal.} Qc3 {White must now prevent ...Nxe4!} 30. Nxd6 Qd4+ 31. Rf2 Nh4 32. Qe2 $1 Qxd6 33. e5 {[%mdl 64] [#] Double Attack} Qd4 {Hoping for ...Ne4.} 34. exf6 gxf6 35. Qg4+ Ng6 36. f5 Qxd3 37. fxg6 hxg6 $11 {[%mdl 4096] Endgame KQR-KQR} 38. Qf4 Rc8 39. Qxf6 Rc1+ 40. Kh2 $132 {[%mdl 2048] White is fighting back} Qd6+ 41. Qf4 Rd1 42. Qxd6 Rxd6 {KR-KR} 43. b4 e5 44. Rb2 e4 45. Kg3 Rd3+ 46. Kf4 e3 47. Kf3 Ra3 48. b5 axb5 49. Rxb5 Rxa2 50. Re5 {A rather calm draw. Accuracy: White = 97%, Black = 97%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.11"]
[Round "6.38"]
[White "Sandten, Ulrich"]
[Black "White, Nigel"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "2100"]
[BlackElo "2001"]
[Annotator "TA"]
[PlyCount "138"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,138,15,10,60,22,19,0,11,7,31,16,21,15,26,-45,-45,-117,-112,-126,-79,-93,-68,-52,-40,-52,-73,-63,-6,-18,-10,-102,-102,-138,-131,-150,-115,-165,-170,-144,-107,-140,-140,-140,-140,-140,-140,-140,-129,-143,-143,-143,-143,-176,-176,-168,-151,-150,-143,-143,-143,-143,-143,-143,-143,-143,-84,-85,-76,-143,-82,-150,-141,-141,0,-143,-76,-104,-97,-94,-76,-94,-87,-140,-135,-126,-90,-113,-111,-170,-168,-533,-455,-520,-192,-668,0,-529,-479,-412,-191,-200,-203,-162,-200,-213,-213,-643,-134,-655,-419,-650,-620,-546,-507,-554,-850,-572,-479,-448,-409,-366,-310,-273,0]} 1. d4 Nf6 2. Nf3 g6 3. e3 Bg7 4. Be2 O-O 5. O-O d6 6. c4 Nbd7 7. Nc3 e5 8. b4 c6 9. a4 e4 {E61: King's Indian: Early deviations for White, including Smyslov System.} 10. Ne1 Re8 11. Ra2 {[#]} a5 $146 {The position is equal.} ({Predecessor:} 11... Nf8 12. b5 h5 13. a5 a6 14. bxc6 bxc6 15. Bd2 h4 16. Na4 Ra7 17. Nc2 h3 {0-1 (61) Nikolaiczuk,L (2295)-Hertneck,G (2445) Dortmund 1986}) 12. bxa5 Rxa5 13. Bd2 Ra8 14. Nc2 h5 15. f4 (15. a5 $11) 15... exf3 $1 $15 16. Bxf3 (16. gxf3 $15 d5 17. cxd5) 16... Nb6 $17 17. Na3 d5 18. cxd5 Nbxd5 19. Nxd5 Nxd5 20. Nc4 Be6 {And now ...Nxe3! would win.} 21. Rb2 {[#]} Qc7 ({Black should try} 21... c5 $1 $15 {[%mdl 512]} 22. Ne5 (22. dxc5 Bxb2) 22... cxd4 23. exd4 Qb8) 22. a5 $11 c5 23. Nb6 (23. Bxd5 $11 Bxd5 24. Nb6 {[%mdl 64] Double Attack}) 23... Nxb6 $17 24. axb6 Qd7 $36 {[%mdl 2048] Keeping White busy.} 25. Bc3 Bc4 26. Be2 Bxe2 ({Resist} 26... Rxe3 27. Bxc4 Rxc3 28. Bxf7+ Kh7 29. Qb1 $17) 27. Rxe2 cxd4 28. Rd2 {[%cal Rc3d4]} Rxe3 29. Bxd4 Bxd4 30. Rxd4 Qc6 31. Rd6 Qc5 32. Kh1 Rae8 33. Rdf6 R8e7 $1 34. Qb1 R3e6 35. Qb2 Qe5 36. Rxe6 Rxe6 {[%mdl 4096] Endgame KQR-KQR} ({Much weaker is} 36... Qxb2 37. Rxe7 Qxb6 38. Rexf7 $14) 37. Qf2 Re7 38. h3 Qe3 39. Qf6 {intending Rd1.} Qe6 40. Qf2 Rd7 (40... Qd6 $142 41. Rc1 Re6) 41. Re1 Qd6 42. Qb2 (42. Re8+ $142 Kh7 43. Qb2) 42... Re7 (42... Rd8 $142 43. Kg1 Qc5+ 44. Kh1 Rd4 45. Re8+ Kh7) 43. Rc1 (43. Rxe7 $142 Qxe7 44. Qd4) 43... Kh7 44. Rf1 Kg8 45. Rc1 $1 {[%cal Rc1c8] White threatens Rc8+ and mate.} f6 ({Black should play} 45... Qd7 46. Qf6 Re6) 46. Qb3+ Kg7 47. Rd1 Qf4 48. Qa3 Qe5 49. Rc1 (49. h4 $142) 49... g5 50. Qb4 f5 51. Qd2 Kg6 $1 52. Qa2 (52. Rd1 $17) 52... g4 $19 53. h4 $2 (53. Rd1) 53... g3 54. Qg8+ Qg7 $2 (54... Rg7 55. Qb3 Qf4 $1 {[%mdl 512]} 56. Qe6+ Kh7 $1 {[%mdl 512]}) 55. Qb8 $2 (55. Qd8) 55... Qe5 {( -> ...Qe1+!)} 56. Qg8+ Rg7 $1 {[%cal Rg7g8]} 57. Qd8 Qf6 (57... f4 $142 58. Qd3+ Qf5) 58. Qe8+ Rf7 59. Qg8+ Qg7 $1 {[%cal Rg7g8]} 60. Qd8 Kh7 61. Rd1 $2 (61. Qd1 Qg4 62. Qd8) 61... f4 $2 (61... Qf6 $19 {and Black stays clearly on top.} 62. Qxf6 Rxf6) 62. Rd5 $2 {[%mdl 8192] [#] This move loses the game for White.} (62. Qd3+ $17 Qg6 63. Qd5) 62... Qa1+ $1 63. Rd1 Qe5 64. Qd3+ Kg7 65. Qf3 Re7 {White must now prevent ...Qe1+!} 66. Rf1 Kg6 67. Qd3+ Qe4 68. Qd6+ Re6 69. Qf8 {[#]} Qe5 $2 {Accuracy: White = 58%, Black = 65%.} (69... Re8 $1 $19 {[%cal Re8f8]} 70. Qd6+ Kg7) 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.11"]
[Round "6.39"]
[White "Thurstan, Tim M"]
[Black "Zimmermann, Rolf"]
[Result "1/2-1/2"]
[ECO "A03"]
[WhiteElo "1987"]
[BlackElo "2090"]
[Annotator "ChessBase"]
[PlyCount "59"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. f4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 3. g3 {[%emt 0:00:26]} Nc6 {[%emt 0:00:37]} 4. Bg2 {[%emt 0:00:40]} Nf6 {[%emt 0:00:59]} 5. d3 {[%emt 0:00:09]} g6 {[%emt 0:01:14]} 6. O-O {[%emt 0:01:44]} Bg7 {[%emt 0:02:58]} 7. c3 {[%emt 0:00:07]} O-O {[%emt 0:00:25]} 8. Na3 {[%emt 0:00:03]} b6 {[%emt 0:01:26]} 9. Qa4 {[%emt 0:04:23]} Bd7 {[%emt 0:01:00]} 10. e4 {[%emt 0:06:59]} e6 {[%emt 0:21:23]} 11. Qc2 Ne8 12. Be3 {[%emt 0:08:28]} Rc8 {[%emt 0:19:48]} 13. Qd2 {[%emt 0:10:56]} Nd6 {[%emt 0:04:53]} 14. e5 {[%emt 0:02:32]} Nf5 {[%emt 0:00:29]} 15. Bf2 {[%emt 0:03:38]} a6 {[%emt 0:02:21]} 16. g4 {[%emt 0:05:56]} Nfe7 {[%emt 0:00:48]} 17. Nc2 {[%emt 0:00:41]} f6 {[%emt 0:04:37]} 18. Rae1 {[%emt 0:02:47]} fxe5 {[%emt 0:01:06]} 19. fxe5 {[%emt 0:00:48]} Qc7 {[%emt 0:01:01]} 20. Bg3 {[%emt 0:02:44]} h6 {[%emt 0:02:05]} 21. Rf2 {[%emt 0:06:42]} Rce8 {[%emt 0:00:37]} 22. d4 {[%emt 0:02:22]} c4 {[%emt 0:00:59]} 23. Ne3 {[%emt 0:01:21]} Rf7 {[%emt 0:01:52]} 24. Qc2 {[%emt 0:05:44]} Ref8 {[%emt 0:00:31]} 25. Ref1 {[%emt 0:06:33]} Be8 {[%emt 0:00:07]} 26. g5 {[%emt 0:09:09]} h5 {[%emt 0:01:52]} 27. Bh3 {[%emt 0:03:16]} Qd7 {[%emt 0:01:54]} 28. Nh4 {[%emt 0:04:03]} Rxf2 {[%emt 0:00:47]} 29. Rxf2 {[%emt 0:00:08]} Rxf2 {[%emt 0:00:18]} 30. Kxf2 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.11"]
[Round "6.40"]
[White "Hoehn, Michael"]
[Black "Lawrence, Paul"]
[Result "0-1"]
[ECO "E65"]
[WhiteElo "2036"]
[BlackElo "1894"]
[Annotator "ChessBase"]
[PlyCount "68"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 3. g3 {[%emt 0:00:09]} Bg7 {[%emt 0:00:10]} 4. Bg2 {[%emt 0:00:06]} O-O {[%emt 0:00:24]} 5. O-O {[%emt 0:00:47]} d6 {[%emt 0:00:33]} 6. c4 {[%emt 0:00:14]} c5 {[%emt 0:00:49]} 7. Nc3 {[%emt 0:00:59]} Nbd7 {[%emt 0:02:40]} 8. e4 {[%emt 0:03:33]} cxd4 {[%emt 0:07:54]} 9. Nxd4 {[%emt 0:00:10]} Ne5 {[%emt 0:03:47]} 10. b3 Bg4 {[%emt 0:10:29]} 11. f3 {[%emt 0:07:08]} Bd7 {[%emt 0:04:43]} 12. Kh1 {[%emt 0:01:43]} a6 13. Be3 h5 14. f4 Nfg4 15. Bg1 Nc6 16. h3 Nxd4 17. Bxd4 e5 18. hxg4 exd4 19. Nd5 Bxg4 20. Qd3 Re8 21. Rf2 f5 22. Re1 Rc8 23. Qd2 h4 24. Kh2 b5 25. exf5 gxf5 26. Rff1 bxc4 27. Rxe8+ Qxe8 28. Re1 Qd8 29. Re7 c3 30. Qe1 c2 31. Qe6+ Kh8 32. Nf6 hxg3+ 33. Kxg3 c1=Q 34. Kh4 Qxf4 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.11"]
[Round "6.42"]
[White "Druckenthaner, Andreas"]
[Black "Jhunjhnuwala, Ramesh"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "2277"]
[BlackElo "2143"]
[Annotator "TA"]
[PlyCount "30"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 1,1,16]} 1. e4 {A rather calm draw.} {Predecessor:} e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves.} Be7 7. Be3 O-O 8. Bd3 Nd7 9. Qd2 Nc5 10. O-O-O Nxd3+ 11. Qxd3 Re8 12. h4 Qd7 13. Rde1 Qf5 14. Qd2 Bd7 15. Nd4 Qd5 {1-0 (42) Nakamura,H (2745)-So,W (2767) chess.com INT 2020} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.11"]
[Round "6.44"]
[White "Kranzl, Peter"]
[Black "Jhunjhnuwala, Suresh"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "2153"]
[BlackElo "1864"]
[Annotator "ChessBase"]
[PlyCount "1"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.11"]
[Round "6.45"]
[White "Pieper, Thomas"]
[Black "Papacek, Stepan"]
[Result "1/2-1/2"]
[ECO "C44"]
[WhiteElo "2258"]
[BlackElo "2265"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,50,46,45,-9,0,-8,-2,-10,-1,-12,-4,-10,0,-5,-3,-45,-22,-63,-72,-66,-47,-51,-4,0,0,-27,-14,-18,0,0,0,0,0,-85,-63,-28,-4,-6,-7,-20,-12,-112,0]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 g6 5. Nxc6 bxc6 6. Bd2 {C45: Scotch Game.} (6. Bc4 $14) 6... Bg7 $11 7. Bc3 Nf6 8. Bd3 {The position is equal.} O-O 9. O-O d5 10. Nd2 Re8 {[%cal Rd5e4] [#]} 11. exd5 $146 ({Predecessor:} 11. Re1 a5 12. exd5 Rxe1+ 13. Qxe1 cxd5 14. Nb3 a4 15. Nc5 d4 16. Bd2 Qd5 17. Ne4 {1-0 (40) Molina,P (2274)-Morales,M (1830) Villa Martelli 2017}) 11... cxd5 12. Nb3 Qd6 13. Be2 c5 14. Bf3 Be6 15. Re1 d4 16. Bxa8 Rxa8 17. Nxd4 cxd4 18. Qxd4 Qc6 19. Qh4 $1 Bd5 20. f3 h6 21. Re2 {[#]} (21. a4 $11 {remains equal.}) 21... g5 $1 $36 {[%cal Rg5h4][%mdl 2048] Black has the initiative.} 22. Qe1 Nh5 23. Bxg7 Kxg7 24. b3 Nf4 {Threatens to win with ...Bxf3.} 25. Rd2 {[#]} (25. Rf2 $1 $11) 25... Qc5+ {Accuracy: White = 73%, Black = 89%.} (25... Bxf3 $1 $17 {[%mdl 512]} 26. gxf3 Qxf3) 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.11"]
[Round "6.46"]
[White "Bretsnajdr, Vladimir"]
[Black "Kempter, Ronald"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2230"]
[BlackElo "2238"]
[Annotator "TA"]
[PlyCount "32"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,32,16,0,0,0,0,0,-10,-7,0]} 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d4 d6 6. c4 Nc6 7. d5 Na5 8. Nfd2 c5 9. Nc3 a6 10. Qc2 Rb8 11. b3 b5 12. Bb2 {12.Rb1 is vanishing.} e5 13. Rab1 {The position is equal. 13.Rae1 is the modern continuation.} h5 {E66: King's Indian: Fianchetto: 6...c5 7 0-0 Nc6 8 d5.} 14. h3 {[#]} h4 $146 ({Predecessor:} 14... Nh7 15. e4 h4 16. Ne2 hxg3 17. fxg3 Bd7 18. Bc3 Nb7 19. Nf3 Ng5 20. Nxg5 Qxg5 21. Bd2 {½-½ (42) Van Wely,L (2650)-Vassallo Barroche,M (2424) Linares 2014}) 15. g4 Nh7 16. e3 f5 {Not much happened in this game.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.11"]
[Round "6.47"]
[White "Scheckenbach, Franz"]
[Black "Sura, Jaroslav"]
[Result "1/2-1/2"]
[ECO "C55"]
[WhiteElo "2101"]
[BlackElo "2013"]
[Annotator "ChessBase"]
[PlyCount "22"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 h6 5. c3 d6 6. Nbd2 g5 7. h3 Bg7 8. Bb3 Ne7 9. Nf1 Ng6 10. g3 c6 11. h4 g4 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.11"]
[Round "6.48"]
[White "Ruzicka, Tomas"]
[Black "Arndt, Olaf"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1748"]
[BlackElo "1887"]
[Annotator "NA"]
[PlyCount "74"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 2. e5 c5 {[%emt 0:00:00]} 3. f4 {[%emt 0:00:00]} Nc6 {[%emt 0:00:00]} 4. Nf3 {[%emt 0:00:00]} Nh6 {[%emt 0:00:03]} 5. Be2 {[%emt 0:00:20]} Nf5 {[%emt 0:03:30]} 6. O-O {[%emt 0:00:21]} Nfd4 {[%emt 0:01:01]} 7. c3 Nxe2+ {[%emt 0:00:07]} 8. Qxe2 {[%emt 0:01:14]} Qb6 {[%emt 0:11:19]} 9. d3 {[%emt 0:00:30]} Bf5 {[%emt 0:00:24]} 10. b3 {[%emt 0:03:24]} (10. Be3 $11) 10... c4+ {[%emt 0:00:34]} 11. Qf2 {[%emt 0:05:26]} ({Better is} 11. Be3 $1 $15 cxd3 12. Qf2) 11... Qxf2+ {[%emt 0:02:45]} 12. Rxf2 {[%emt 0:00:51]} Bxd3 {[%emt 0:00:20]} 13. Ba3 {[%emt 0:03:44]} e6 {[%emt 0:02:53]} 14. Bxf8 {[%emt 0:00:15]} Rxf8 {[%emt 0:00:17]} 15. Na3 {[%emt 0:01:03]} cxb3 {[%emt 0:07:45]} 16. axb3 {[%emt 0:01:06]} Ke7 $17 {[%emt 0:03:07]} 17. Rd1 {[%emt 0:03:20]} Ba6 {[%emt 0:01:03]} 18. Nd2 {[%emt 0:03:34]} b6 {[%emt 0:08:35]} 19. b4 {[%emt 0:00:48]} Bd3 {[%emt 0:05:14]} 20. Nb3 {[%emt 0:03:11]} Bc4 {[%emt 0:01:14]} 21. Nd2 {[%emt 0:00:39]} b5 {[%emt 0:00:25]} 22. Ndxc4 {[%emt 0:02:42]} bxc4 {[%emt 0:00:50]} 23. Nb5 {[%emt 0:00:15]} a5 {[%emt 0:00:56]} 24. bxa5 {[%emt 0:02:06]} Rxa5 {[%emt 0:00:41]} 25. Nd6 {[%emt 0:01:01]} Rb8 {[%emt 0:01:38]} 26. g3 {[%emt 0:05:51]} Ra3 {[%emt 0:03:13]} 27. Rc1 {[%emt 0:04:01]} f6 {[%emt 0:01:17]} 28. Re1 {[%emt 0:09:59]} Rxc3 {[%emt 0:02:03]} 29. Ree2 {[%emt 0:01:07]} fxe5 {[%emt 0:02:14]} 30. fxe5 {[%emt 0:00:40]} Nxe5 {[%emt 0:02:07]} 31. Nf5+ {[%emt 0:01:26]} exf5 {[%emt 0:00:16]} 32. Rxe5+ {[%emt 0:00:04]} Kd6 {[%emt 0:00:08]} 33. Rexf5 {[%emt 0:03:12]} Rd3 {[%emt 0:01:52]} 34. Rf7 {[%emt 0:00:22]} c3 {[%emt 0:01:00]} 35. Rxg7 {[%emt 0:02:02]} Rd2 {[%emt 0:00:25]} 36. Rf6+ {[%emt 0:02:47]} Ke5 {[%emt 0:00:07]} 37. Rgf7 {[%emt 0:00:09]} Rb1+ {[%emt 0:00:25]} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.12"]
[Round "7.1"]
[White "Shabalov, Alexander"]
[Black "Petursson, Margeir"]
[Result "1/2-1/2"]
[ECO "B20"]
[WhiteElo "2524"]
[BlackElo "2466"]
[Annotator "NA RC"]
[PlyCount "9"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. g3 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 3. Bg2 {[%emt 0:00:00]} Bg7 {[%emt 0:00:00]} 4. a4 {[%emt 0:00:00]} Nc6 {[%emt 0:00:00]} 5. Na3 {[%emt 0:00:00]} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.12"]
[Round "7.2"]
[White "Thorhallsson, Throstur"]
[Black "Kaidanov, Gregory"]
[Result "1/2-1/2"]
[ECO "C53"]
[WhiteElo "2424"]
[BlackElo "2546"]
[Annotator "NA RC"]
[PlyCount "7"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:00]} 3. Bc4 {[%emt 0:00:00]} Bc5 {[%emt 0:00:00]} 4. c3 {[%emt 0:00:00]} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.12"]
[Round "7.3"]
[White "Benjamin, Joel"]
[Black "Jonsson, Bjorgvin"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2508"]
[BlackElo "2324"]
[Annotator "NA RC"]
[PlyCount "12"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:00]} g6 {[%emt 0:00:33]} 4. g3 {[%emt 0:00:00]} Bg7 {[%emt 0:00:07]} 5. Bg2 {[%emt 0:00:00]} O-O {[%emt 0:00:11]} 6. O-O {[%emt 0:00:02]} Nc6 {[%emt 0:00:19]} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.12"]
[Round "7.4"]
[White "Gislason, Gudmundur"]
[Black "Yermolinsky, Alex"]
[Result "1/2-1/2"]
[ECO "D45"]
[WhiteElo "2322"]
[BlackElo "2487"]
[Annotator "NA RC"]
[PlyCount "12"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. Nf3 {[%emt 0:01:58]} d5 {[%emt 0:00:00]} 2. e3 {[%emt 0:00:09]} Nf6 {[%emt 0:00:13]} 3. c4 {[%emt 0:00:06]} c6 {[%emt 0:00:17]} 4. Nc3 {[%emt 0:00:08]} e6 {[%emt 0:00:07]} 5. d4 {[%emt 0:00:11]} Nbd7 {[%emt 0:00:08]} 6. cxd5 {[%emt 0:00:07]} exd5 {[%emt 0:00:06]} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.12"]
[Round "7.5"]
[White "Potapov, Alexander"]
[Black "Hracek, Zbynek"]
[Result "1/2-1/2"]
[ECO "D56"]
[WhiteElo "2413"]
[BlackElo "2572"]
[Annotator "TA"]
[PlyCount "34"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,19,37,30,6]} 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bh4 Nbd7 8. Rc1 dxc4 {8...c5 gains popularity.} 9. Bxc4 a6 10. O-O {[#] An uneventful encounter. has lost popularity (10.a4). D63: Queen's Gambit Declined: Classical: 7 Rc1.} {Predecessor:} b5 $146 11. Be2 Bb7 12. Qc2 c5 13. dxc5 Nxc5 14. b4 Ncd7 15. Qb3 Qb6 16. Rfd1 Rfd8 17. Rd4 Nf8 {½-½ (60) Kiewra,K (2426)-Moradiabadi,E (2595) Rockville 2016} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.12"]
[Round "7.6"]
[White "Haba, Petr"]
[Black "Sergeyev, Alexander"]
[Result "1/2-1/2"]
[ECO "E06"]
[WhiteElo "2470"]
[BlackElo "2398"]
[Annotator "NA RC"]
[PlyCount "12"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 3. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 4. g3 {[%emt 0:00:06]} Be7 {[%emt 0:00:00]} 5. Bg2 {[%emt 0:00:07]} O-O {[%emt 0:00:10]} 6. O-O {[%emt 0:00:03]} dxc4 {[%emt 0:00:19]} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.12"]
[Round "7.7"]
[White "Goriatchkin, Jouri"]
[Black "Velicka, Petr"]
[Result "1/2-1/2"]
[ECO "D10"]
[WhiteElo "2310"]
[BlackElo "2425"]
[Annotator "TA"]
[PlyCount "33"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,18,19,25,25,25,25,27]} 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Bf4 Nc6 6. e3 Bf5 7. Qb3 Na5 8. Qa4+ {D10: Slav Defence: 3 cxd5 (without early Nf3) and 3 Nc3.} Bd7 9. Qc2 e6 {[#] A rather calm draw.} {Predecessor:} 10. Bd3 $146 Nc6 11. Qe2 Bb4 12. Nf3 Nh5 13. Bg5 Qa5 14. O-O h6 15. Bh4 g5 16. Bg3 Nxg3 17. fxg3 {½-½ (75) Harikrishna,P (2731)-Carlsen,M (2870) Kolkata 2019} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.12"]
[Round "7.8"]
[White "Konopka, Michal"]
[Black "Tolstikh, Nikolay"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2353"]
[BlackElo "2320"]
[Annotator "TA"]
[PlyCount "32"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,15,14,39,0]} 1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. Qc2 dxc4 5. Qxc4 Bf5 6. g3 e6 7. Bg2 Be7 8. O-O {[#] A rather calm draw. D23: Queen's Gambit Accepted: 3 Nf3 Nf6 sidelines.} {Predecessor:} O-O $146 9. Qb3 Qb6 10. Nbd2 Nbd7 11. Nc4 Qa6 12. Bf4 Be4 13. Bd6 Bd5 14. Bxe7 Bxc4 15. Qc2 Rfe8 16. Bxf6 Nxf6 {1-0 (51) Shankland,S (2683)-Robson,R (2673) chess.com INT 2020} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.12"]
[Round "7.10"]
[White "Jussupow, Artur"]
[Black "Dolgitser, Konstantin"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2560"]
[BlackElo "2232"]
[Annotator "TA"]
[PlyCount "17"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 1,1,30]} 1. d4 {An uneventful encounter.} {Predecessor:} Nf6 2. Bf4 c5 3. e3 Qb6 4. Nc3 Qxb2 5. Nb5 Nd5 6. Rb1 {A45: Trompowsky Attack.} Qxa2 7. Ra1 Qb2 8. Rb1 Qa2 9. Ra1 {½-½ (9) Nakamura,H (2745)-So,W (2767) chess.com INT 2020} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.12"]
[Round "7.12"]
[White "Koehler, Gerhard"]
[Black "Leverett, Bruce"]
[Result "1-0"]
[ECO "A10"]
[WhiteElo "2204"]
[BlackElo "2264"]
[Annotator "ChessBase"]
[PlyCount "1"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. c4 {[%emt 0:00:00]} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.12"]
[Round "7.13"]
[White "Ftacnik, Lubomir"]
[Black "Vokac, Marek"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "2513"]
[BlackElo "2348"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,95,15,0,16,0,1,-22,-9,-25,-20,-24,-18,-62,-52,-50,-47,-50,-33,-72,-19,-42,-39,-44,-53,-47,0,-63,-72,-77,-47,-176,-149,-212,-171,-140,-162,-162,-154,-184,-141,-147,-147,-147,-140,-139,-139,-139,-139,-154,-103,-122,-121,-125,-122,-128,-135,-133,-136,-136,-131,-132,-99,-116,-103,-103,-75,-86,-20,-120,0,-75,-14,-33,-14,-14,0,-17,0,0,0,0,8,0,0,0,8,0]} 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. c3 O-O 5. Nbd2 d6 6. h3 Qe8 {A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems.} 7. e3 Nc6 8. Bh2 e5 9. dxe5 Nxe5 10. Nxe5 dxe5 11. Nc4 Nd7 {[#]} 12. Be2 $146 ({Predecessor:} 12. a4 Nb6 13. a5 Nxc4 14. Bxc4 a6 15. O-O Bd7 16. Qb3 Bc6 17. Rfd1 Qe7 18. Bd5 Bxd5 19. Qxd5 {½-½ (34) Shabtai,R (2330)-Olesen,M (2340) Copenhagen 1995}) 12... Qe7 13. b4 e4 14. Rc1 Nf6 (14... Nb6 $17) 15. Na5 Rd8 16. Qb3 $1 Nd5 17. O-O c6 18. b5 (18. Rfd1 $11) 18... cxb5 $15 19. Bxb5 Be6 $36 {[%mdl 2048] Black has good play.} 20. c4 {[#]} ({White has to play} 20. Bc4 $15) 20... Nb4 $1 $19 21. Nxb7 (21. Rb1 $17 Bf8 22. Ba4) 21... Qxb7 22. Qxb4 {Qa4 is the strong threat.} a6 23. a4 axb5 24. axb5 Ra2 25. c5 Rb2 26. c6 {aiming for Qxb2.} Qxb5 27. Qxe4 Rb4 28. c7 Rc8 (28... Rxe4 $2 {is the wrong capture.} 29. cxd8=Q+ Bf8 30. Bd6 $18) 29. Qc6 Be5 (29... Qxc6 $142 30. Rxc6 Bd7) 30. Bxe5 Qxe5 31. Rfd1 {Hoping for Rd8+.} Qf6 32. Rd2 {Rcd1 would now be nice for White.} Kg7 33. Qd6 Rb2 34. Rxb2 Qxb2 35. Qc5 h5 36. Rc2 Qa1+ 37. Kh2 Qf6 38. f4 Qf5 (38... Re8 $17) 39. Qc3+ (39. Qd4+ $1 $11 Qf6 40. Qc5) 39... Qf6 40. Qc5 $1 h4 ({Better is} 40... Re8 $17) 41. Rd2 $1 $11 Re8 42. Rd6 {The position is equal.} Rc8 43. Rd2 Kh6 44. Rd8 Kh7 ({Don't go for} 44... Rxd8 $2 {[#]} 45. Qg5+ $1 {[%mdl 512]} Qxg5 46. fxg5+ Kxg5 47. cxd8=Q+ $18) 45. Qd6 {Threatens to win with Rxc8.} Qg7 46. Qe7 g5 $1 47. Rxc8 Bxc8 48. fxg5 {Whites escaped into a draw. Accuracy: White = 77%, Black = 71%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.12"]
[Round "7.14"]
[White "Zpevak, Pavel"]
[Black "Stohl, Igor"]
[Result "1/2-1/2"]
[ECO "E21"]
[WhiteElo "2344"]
[BlackElo "2470"]
[Annotator "TA"]
[PlyCount "34"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,21,18,2,10,4,2,3]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. a3 d5 6. Bg5 Be7 7. Qa4+ Bc6 8. Qb3 dxc4 9. Qxc4 {The position is equal.} O-O {E12: Queen's Indian: Unusual White 4th moves, 4 a3, 4 Nc3 Bb7 5 a3 and 4 Nc3 Bb7 .} 10. Bxf6 Bxf6 11. e4 {[#] A rather calm draw.} {Predecessor:} b5 $146 12. Qd3 Nd7 13. Qe3 a6 14. Rd1 Qb8 15. Bd3 e5 16. d5 Bb7 17. O-O Be7 {½-½ (34) Mamedyarov,S (2729)-Karjakin,S (2785) Istanbul 2012} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.12"]
[Round "7.15"]
[White "Motuz, Karol"]
[Black "Polasek, Jaroslav"]
[Result "1-0"]
[ECO "A96"]
[WhiteElo "2368"]
[BlackElo "2365"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,47,39,46,55,58,52,128,132,125,131,143,154,227,224,237,266,268,270,241,208,202,196,208,93,215,170,174,143,154,125,29998,29999]} 1. d4 e6 2. Nf3 f5 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. c4 d6 7. b3 Qe8 8. Bb2 Nc6 9. Nbd2 {[%cal Bb1d2,Bd2e4,Be4c5][%mdl 32]} Bd8 10. Re1 {A96: Classical Dutch: Fluid Systems: Early deviations.} e5 {With the idea ...e4.} 11. e4 $1 {[%cal Re4f5]} fxe4 (11... f4 $1 $14) 12. dxe5 $16 {White is better.} dxe5 13. Nxe4 {[#]} Bg4 $146 ({Predecessor:} 13... Qh5 14. Nxe5 Ng4 15. Qd5+ Kh8 16. Nxg4 Qxg4 17. Nc5 Be7 18. Nd3 Bf5 19. Ne5 Nxe5 20. Qxe5 {1-0 (29) Summerscale,A (2500)-Spice,A (2210) England 1997}) 14. h3 Bh5 {[#]} (14... Bxf3 $16 15. Qxf3 (15. Bxf3 Be7 $16) 15... Be7 16. Nxf6+ gxf6) 15. g4 $1 $18 {[%cal Rg4h5]} Bg6 {[#]} 16. Nc5 $1 e4 {Black wants to play ...Be7.} 17. Ng5 ({But not} 17. Nxb7 $6 Be7 $16) 17... h6 18. Ngxe4 Nxe4 19. Nxe4 {Strongly threatening Nd6!} Be7 20. Re3 (20. Ng3 $18) 20... Kh8 (20... Rd8 $16 {might work better.} 21. Qf1 Nb4) 21. Qe2 {aiming for Ng3.} Qf7 22. Rf3 Qe6 23. Qe3 {Intending Qxh6+ and mate.} Rad8 $2 {[%mdl 8192]} (23... Bxe4 $16 24. Rxf8+ Rxf8) 24. Qxh6+ {[%mdl 64] Double Attack. Accuracy: White = 75%, Black = 51%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.12"]
[Round "7.16"]
[White "Vrbata, Zbynek"]
[Black "Petran, Peter"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2350"]
[BlackElo "2268"]
[Annotator "TA"]
[PlyCount "38"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,38,38,54,48,55,64,70,52,54,55,46,50,79,74,98,75,101,91,98,99,99,79,84,81,104,102,104,89,106,59,118]} 1. d4 g6 2. e4 Bg7 3. c4 Nc6 4. Nf3 e5 5. Bg5 Nge7 {[%cal Re5d4]} 6. dxe5 {A40: Unusual replies to 1 d4.} Nxe5 7. Nxe5 Bxe5 8. Nc3 {Strongly threatening Nd5.} h6 9. Be3 d6 10. Qd2 Bg7 11. Be2 Be6 12. O-O a6 {[#]} 13. Rfd1 $146 ({Predecessor:} 13. Nd5 c5 14. Rab1 Nc6 15. b4 b6 16. bxc5 bxc5 17. Rb7 Rc8 18. f4 Nd4 19. f5 Bxd5 20. cxd5 {1-0 (29) Haessel,D (2155)-Petran,P (2256) Bled 2018}) 13... h5 14. Rac1 O-O 15. Bd4 f6 16. Nd5 Nc6 17. Be3 Kh7 18. b3 Re8 19. Qc2 b6 {Accuracy: White = 90%, Black = 71%.} ({Black should play} 19... f5 $14) 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.12"]
[Round "7.17"]
[White "Pekarek, Ales"]
[Black "Pieper, Thomas"]
[Result "1/2-1/2"]
[ECO "D78"]
[WhiteElo "2274"]
[BlackElo "2258"]
[Annotator "ChessBase"]
[PlyCount "83"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 3. g3 {[%emt 0:00:09]} g6 {[%emt 0:00:47]} 4. Bg2 {[%emt 0:00:18]} Bg7 {[%emt 0:00:08]} 5. c4 {[%emt 0:00:46]} c6 {[%emt 0:01:01]} 6. O-O {[%emt 0:01:47]} O-O {[%emt 0:00:40]} 7. Qb3 {[%emt 0:07:16]} dxc4 {[%emt 0:14:20]} 8. Qxc4 {[%emt 0:00:07]} Nbd7 {[%emt 0:00:07]} 9. Nc3 {[%emt 0:01:51]} Qa5 {[%emt 0:08:36]} 10. Re1 {[%emt 0:06:59]} Qh5 {[%emt 0:17:33]} 11. h3 {[%emt 0:11:06]} Nb6 {[%emt 0:01:38]} 12. Qc5 {[%emt 0:00:07]} Qxc5 {[%emt 0:01:15]} 13. dxc5 {[%emt 0:00:07]} Nbd5 {[%emt 0:02:40]} 14. Bd2 {[%emt 0:01:33]} Nb4 {[%emt 0:08:25]} 15. Rec1 {[%emt 0:02:15]} Na6 {[%emt 0:04:11]} 16. Na4 {[%emt 0:03:33]} h6 {[%emt 0:06:24]} 17. Bc3 {[%emt 0:04:50]} Be6 {[%emt 0:01:38]} 18. b4 {[%emt 0:14:27]} Nc7 {[%emt 0:05:23]} 19. Be5 {[%emt 0:04:07]} Nb5 {[%emt 0:01:18]} 20. Nb2 {[%emt 0:06:13]} Na3 {[%emt 0:01:06]} 21. Nd4 {[%emt 0:01:41]} Bd5 {[%emt 0:01:37]} 22. f3 {[%emt 0:08:26]} a5 {[%emt 0:08:07]} 23. e4 {[%emt 0:01:44]} axb4 {[%emt 0:02:34]} 24. exd5 {[%emt 0:00:39]} Nxd5 {[%emt 0:00:11]} 25. Bxg7 {[%emt 0:00:44]} Kxg7 {[%emt 0:00:01]} 26. Re1 {[%emt 0:07:11]} Rfd8 {[%emt 0:00:52]} 27. Rac1 {[%emt 0:01:30]} Nc3 {[%emt 0:02:42]} 28. Nb3 {[%emt 0:00:41]} Nxa2 {[%emt 0:03:01]} 29. Rcd1 {[%emt 0:00:30]} Kf6 {[%emt 0:01:30]} 30. Rxd8 {[%emt 0:04:36]} Rxd8 {[%emt 0:00:01]} 31. Bf1 {[%emt 0:00:22]} Nc2 {[%emt 0:01:58]} 32. Rd1 {[%emt 0:00:32]} Rxd1 {[%emt 0:00:45]} 33. Nxd1 {[%emt 0:00:02]} Nc3 {[%emt 0:01:09]} 34. Nb2 {[%emt 0:00:42]} e5 {[%emt 0:01:41]} 35. Nc4 {[%emt 0:02:58]} Nd4 {[%emt 0:01:20]} 36. Ncd2 {[%emt 0:02:06]} Nxb3 {[%emt 0:01:26]} 37. Nxb3 {[%emt 0:00:03]} Na4 {[%emt 0:00:29]} 38. Kf2 {[%emt 0:01:26]} b6 {[%emt 0:00:42]} 39. cxb6 {[%emt 0:00:32]} Nxb6 {[%emt 0:00:01]} 40. Nc5 {[%emt 0:00:00]} Ke7 {[%emt 0:00:00]} 41. Ke3 {[%emt 0:02:56]} f5 {[%emt 0:07:24]} 42. Nd3 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.12"]
[Round "7.18"]
[White "Kempter, Ronald"]
[Black "Sorm, Daniel"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "2238"]
[BlackElo "2328"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,80,0,2,20,0,17,-10,0,-16,-39,-20,19,-14,-7,-29,-19,-23,-20,-54,-20,-17,-22,-29,-25,-76,0,-51,-52,-72,-53,-116,-50,-53,0,-109,-81,-72,-44,-86,-90,-83,-55,-54,-52,-115,-116,-115,-108,-191,-192,-310,-381,-353,-329,-379,-364,-581,-529,-1002,-1006,-964,-986,-954,-941,-921,-889,-1086,-951]} 1. Nf3 d5 2. c4 e6 3. g3 d4 4. e3 c5 5. exd4 cxd4 6. Bg2 Nc6 7. d3 Nf6 8. O-O Bd6 {A13: English Opening: 1...e6.} 9. Nbd2 h6 10. Re1 O-O {The position is equal.} 11. Ne4 Nxe4 12. Rxe4 {[#]} f5 $146 ({Predecessor:} 12... e5 13. c5 Bxc5 14. Nxe5 Nxe5 15. Rxe5 Qb6 16. Qh5 Bd6 17. Rb5 Qa6 18. a4 Re8 {1-0 (37) Haldorsen,B (2444)-Vitenberg,N (2300) Larvik 2019}) 13. Re1 Qf6 14. a3 a5 15. Rb1 e5 16. Qc2 a4 (16... e4 $5 17. dxe4 fxe4 18. Rxe4 (18. Qxe4 Bf5 $17) 18... Bf5 $17) 17. b4 axb3 $1 18. Qxb3 {Black should prevent c5+.} Kh8 19. Bb2 (19. Qc2 $1 $11 {was the only way to keep the balance.}) 19... Ra7 (19... f4 $17) 20. Nd2 (20. a4 $11) 20... Bd7 21. Ra1 Rfa8 22. Rec1 (22. Qd1 $15) 22... Qe7 (22... Nd8 $17 23. c5 Bc7) 23. Re1 $15 Qf6 (23... Qf8 $15) 24. Rec1 $1 $17 Bc5 25. Re1 Qd6 26. Nb1 Nd8 {[%cal Bc6d8,Bd8f7,Bf7g5,Bg5h7,Bh7f6,Bf6e4,Be4g3][%mdl 32]} 27. Qd1 Nf7 28. Bd5 Ng5 {Hoping for ...e4!} 29. h4 {[#]} ({White should play} 29. Qe2 $15) 29... Nh7 $1 30. Bg2 Nf6 $36 {[%mdl 2048] Black has strong initiative.} 31. Qe2 (31. Nd2 $17 {was called for.}) 31... Re8 $19 32. Kh1 (32. Nd2 {was worth a try.}) 32... e4 33. Nd2 Bc6 (33... Bxa3 $2 34. Reb1 $17) 34. Nb3 f4 35. dxe4 (35. Nxc5 $142 f3 36. Bxf3 (36. Nxe4 $2 Rxe4 37. Qd2 fxg2+ 38. Kg1 Rxe1+ 39. Rxe1 Qd7 $19) 36... exf3 37. Qd2 Qxc5 38. Qf4) 35... Nxe4 {Black is clearly winning.} 36. Nxc5 {[#]} Nxg3+ $1 {[%mdl 576] Discovered Attack} 37. fxg3 Rxe2 38. Rxe2 f3 39. Ne4 fxg2+ 40. Kxg2 Qg6 {Accuracy: White = 47%, Black = 80%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.12"]
[Round "7.19"]
[White "Pastircak, Milan"]
[Black "Scheckenbach, Franz"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2277"]
[BlackElo "2101"]
[Annotator "ChessBase"]
[PlyCount "91"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. g3 {[%emt 0:00:29]} g6 {[%emt 0:01:07]} 3. b3 {[%emt 0:00:06]} Bg7 {[%emt 0:00:08]} 4. Bb2 {[%emt 0:00:02]} O-O {[%emt 0:00:09]} 5. Bg2 {[%emt 0:02:13]} c5 {[%emt 0:01:49]} 6. c4 {[%emt 0:00:39]} d5 {[%emt 0:04:43]} 7. cxd5 {[%emt 0:00:22]} Nxd5 {[%emt 0:00:08]} 8. Bxg7 {[%emt 0:00:24]} Kxg7 {[%emt 0:00:04]} 9. O-O {[%emt 0:00:06]} Nc6 {[%emt 0:00:35]} 10. d4 {[%emt 0:00:36]} cxd4 {[%emt 0:09:10]} 11. Nxd4 {[%emt 0:00:06]} e5 {[%emt 0:00:21]} 12. Nxc6 {[%emt 0:11:47]} bxc6 {[%emt 0:00:06]} 13. Qc2 {[%emt 0:00:48]} Qb6 {[%emt 0:05:21]} 14. Nc3 {[%emt 0:05:55]} Nb4 {[%emt 0:14:16]} 15. Qb2 {[%emt 0:08:55]} Be6 {[%emt 0:10:44]} 16. Rfd1 {[%emt 0:12:32]} Rad8 {[%emt 0:05:04]} 17. a3 {[%emt 0:06:31]} Na6 {[%emt 0:00:42]} 18. b4 {[%emt 0:00:13]} f6 {[%emt 0:08:14]} 19. Qc2 {[%emt 0:07:13]} Nb8 {[%emt 0:08:50]} 20. Bf3 {[%emt 0:09:55]} Rxd1+ {[%emt 0:05:16]} 21. Rxd1 {[%emt 0:00:05]} Rd8 {[%emt 0:00:11]} 22. Na4 {[%emt 0:04:58]} Rxd1+ {[%emt 0:01:54]} 23. Qxd1 {[%emt 0:00:03]} Qd4 {[%emt 0:04:43]} 24. Qxd4 {[%emt 0:09:49]} exd4 {[%emt 0:00:05]} 25. Nc5 {[%emt 0:00:59]} Bc4 {[%emt 0:01:01]} 26. Kf1 {[%emt 0:01:01]} f5 {[%emt 0:06:28]} 27. Bg2 {[%emt 0:09:40]} Kf6 {[%emt 0:01:56]} 28. f4 {[%emt 0:01:03]} Ke7 {[%emt 0:01:40]} 29. Ke1 {[%emt 0:01:01]} Kd6 {[%emt 0:00:19]} 30. Kd2 {[%emt 0:00:39]} Kc7 {[%emt 0:03:56]} 31. e3 {[%emt 0:00:17]} dxe3+ {[%emt 0:00:15]} 32. Kxe3 {[%emt 0:00:01]} Kd6 {[%emt 0:02:25]} 33. Kd4 {[%emt 0:01:18]} Bf7 {[%emt 0:00:46]} 34. Bf3 {[%emt 0:00:41]} h6 {[%emt 0:00:53]} 35. h4 {[%emt 0:01:05]} Be8 {[%emt 0:00:24]} 36. Be2 {[%emt 0:01:32]} Nd7 {[%emt 0:00:54]} 37. Nxd7 {[%emt 0:01:01]} Bxd7 {[%emt 0:00:03]} 38. h5 {[%emt 0:00:15]} Be8 {[%emt 0:00:38]} 39. Bd3 {[%emt 0:00:54]} a5 {[%emt 0:01:50]} 40. bxa5 {[%emt 0:00:00]} c5+ {[%emt 0:00:00]} 41. Kc3 {[%emt 0:05:39]} Kd5 {[%emt 0:12:18]} 42. hxg6 {[%emt 0:05:25]} Bxg6 {[%emt 0:00:39]} 43. a6 {[%emt 0:00:02]} Kc6 {[%emt 0:00:22]} 44. a7 {[%emt 0:00:28]} Kb7 {[%emt 0:00:15]} 45. Kc4 {[%emt 0:00:04]} Kxa7 {[%emt 0:00:05]} 46. Kxc5 {[%emt 0:00:10]} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.12"]
[Round "7.20"]
[White "Arndt, Olaf"]
[Black "Vrana, Frantisek"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1887"]
[BlackElo "2231"]
[Annotator "ChessBase"]
[PlyCount "86"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 2. exd5 {[%emt 0:00:00]} Qxd5 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:00]} Qa5 {[%emt 0:00:00]} 4. Bc4 {[%emt 0:00:26]} Nf6 {[%emt 0:00:07]} 5. d4 {[%emt 0:01:06]} Bf5 {[%emt 0:00:43]} 6. Nf3 {[%emt 0:00:16]} e6 {[%emt 0:00:35]} 7. O-O {[%emt 0:00:16]} c6 {[%emt 0:01:34]} 8. Re1 {[%emt 0:00:27]} Bb4 {[%emt 0:01:45]} 9. Bd2 {[%emt 0:01:21]} O-O {[%emt 0:01:33]} 10. a3 {[%emt 0:01:16]} Bxc3 {[%emt 0:00:23]} 11. Bxc3 {[%emt 0:00:07]} Qc7 {[%emt 0:00:08]} 12. h3 {[%emt 0:03:09]} Nbd7 {[%emt 0:01:44]} 13. Bd3 {[%emt 0:03:26]} Bxd3 {[%emt 0:02:53]} 14. Qxd3 {[%emt 0:00:50]} Rfd8 {[%emt 0:00:35]} 15. Qe2 {[%emt 0:01:45]} h6 {[%emt 0:08:05]} 16. Rad1 {[%emt 0:01:50]} a5 {[%emt 0:01:28]} 17. Nh2 {[%emt 0:03:50]} b5 {[%emt 0:06:25]} 18. Bd2 {[%emt 0:02:21]} Qd6 {[%emt 0:11:43]} 19. c4 {[%emt 0:04:58]} Qb8 {[%emt 0:05:23]} 20. b4 {[%emt 0:10:38]} axb4 {[%emt 0:03:44]} 21. Bxb4 {[%emt 0:00:49]} Qb6 {[%emt 0:03:06]} 22. Nf3 {[%emt 0:02:36]} Ra4 {[%emt 0:04:10]} 23. Ne5 {[%emt 0:02:04]} bxc4 {[%emt 0:01:59]} 24. Nxc4 {[%emt 0:09:14]} Qb5 {[%emt 0:01:24]} 25. Qc2 {[%emt 0:01:16]} Nd5 {[%emt 0:01:47]} 26. Ne5 {[%emt 0:05:11]} Nxe5 {[%emt 0:03:03]} 27. dxe5 {[%emt 0:00:50]} Rc8 {[%emt 0:00:21]} 28. Bd6 {[%emt 0:02:07]} c5 {[%emt 0:00:46]} 29. Rb1 {[%emt 0:05:32]} Qa6 {[%emt 0:03:04]} 30. Rb7 {[%emt 0:04:31]} Rxa3 {[%emt 0:02:14]} 31. Reb1 {[%emt 0:00:52]} Ra2 {[%emt 0:02:52]} 32. Qe4 {[%emt 0:02:08]} Ra1 {[%emt 0:03:11]} 33. Qf3 {[%emt 0:08:35]} Qxb7 {[%emt 0:00:40]} 34. Rxa1 {[%emt 0:00:04]} c4 {[%emt 0:00:39]} 35. Qe4 {[%emt 0:03:13]} c3 {[%emt 0:01:17]} 36. Qc2 {[%emt 0:02:29]} Nf4 {[%emt 0:02:55]} 37. f3 {[%emt 0:01:44]} Qb2 {[%emt 0:00:19]} 38. Ra2 {[%emt 0:01:26]} Qb6+ {[%emt 0:04:00]} 39. Kh2 {[%emt 0:00:52]} Qe3 {[%emt 0:00:00]} 40. h4 {[%emt 0:00:00]} Nd5 {[%emt 0:00:00]} 41. Ra4 {[%emt 0:05:46]} Qd2 {[%emt 0:05:45]} 42. Qxd2 {[%emt 0:02:11]} cxd2 {[%emt 0:00:07]} 43. Rd4 {[%emt 0:00:06]} Ne3 {[%emt 0:00:06]} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.12"]
[Round "7.21"]
[White "Cummings, David H."]
[Black "Frostick, Clive A"]
[Result "1/2-1/2"]
[ECO "A14"]
[WhiteElo "2342"]
[BlackElo "2082"]
[Annotator "TA"]
[PlyCount "45"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,45,19,23,10,38,34,39,29,43,38,54,50,48,27,29,14,17,19,15,20,35,35,37,39,33,15,20,15]} 1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. b3 b6 7. cxd5 exd5 8. Bb2 Bb7 9. d4 Re8 10. Nc3 Nbd7 11. Qc2 {E17: Queen's Indian: 4 g3 Bb7 5 Bg2 Be7.} c5 12. Rfd1 Rc8 13. Rac1 {White is slightly better.} Qc7 {[#]} 14. e3 $146 ({Predecessor:} 14. Qf5 Qb8 15. Ne5 Nxe5 16. dxe5 g6 17. Qc2 d4 18. exf6 dxc3 19. Bxc3 Bf8 20. Rd7 Bxg2 21. Kxg2 {1-0 (33) Jirka,J (2400)-Laznicka,V (2219) Czechia 2002}) 14... Qb8 15. Qb1 Bf8 16. Ne2 Ne4 17. Ne5 Ndf6 18. Nf4 cxd4 19. Rxc8 Qxc8 20. Bxd4 Nc3 21. Bxc3 $1 Qxc3 22. Ned3 Ne4 23. Rc1 {Accuracy: White = 100%, Black = 90%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.12"]
[Round "7.22"]
[White "Fraser-Mitchell, Jeremy N"]
[Black "Plotkin, Victor"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2059"]
[BlackElo "2339"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,65,19,35,27,23,31,43,42,45,23,32,40,38,29,52,0,35,25,34,15,16,26,16,18,13,9,10,0,0,-14,-19,-58,-32,-32,-24,-30,-24,-26,0,-169,-39,-54,-55,-254,-247,-435,-434,-434,-428,-407,-417,-409,-409,-351]} 1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. c3 Qb6 5. Qb3 Nc6 6. Nd2 e6 7. Ngf3 Be7 8. Be2 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} O-O 9. O-O Qxb3 10. axb3 {White is slightly better.} Bd7 11. Ne5 Nxe5 12. Bxe5 cxd4 13. exd4 {[#]} Rfc8 $146 ({Predecessor:} 13... Bc6 14. b4 a6 15. Rfe1 Ne8 16. Nb3 Bd7 17. b5 Bc8 18. Ra2 f6 19. Bg3 Bd6 {1-0 (80) Stulz,J (1964)-Talosch,A (1658) Baden 2017}) 14. h3 (14. b4 $14) 14... Ne8 15. Ra2 f6 16. Bf4 Bd6 17. Bxd6 Nxd6 18. Rfa1 a6 19. Ra5 Re8 20. Bd3 Bc6 21. c4 Rad8 22. c5 Nb5 23. Bxb5 Bxb5 24. Nb1 e5 25. Nc3 Bd3 26. dxe5 $2 {[#]} (26. R5a4 $11) 26... fxe5 (26... d4 $19 27. Na2 Rxe5) 27. Rd1 $15 e4 28. b4 $2 {This costs White the game.} ({Better is} 28. f3 $15) 28... d4 $19 29. Na4 $2 (29. Nb1) 29... e3 30. fxe3 dxe3 {Strongly threatening ...e2.} 31. Nc3 e2 32. Re1 Rf8 {[#] Threatens to win with ...Rf1+.} 33. Raa1 {Accuracy: White = 66%, Black = 74%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.12"]
[Round "7.23"]
[White "Findlay, Ian T."]
[Black "Thurstan, Tim M"]
[Result "1/2-1/2"]
[ECO "C04"]
[WhiteElo "2159"]
[BlackElo "1987"]
[Annotator "ChessBase"]
[PlyCount "56"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 3. Nd2 {[%emt 0:00:00]} Nc6 {[%emt 0:00:00]} 4. Ngf3 {[%emt 0:00:07]} Nf6 {[%emt 0:00:00]} 5. e5 {[%emt 0:00:11]} Nd7 {[%emt 0:00:00]} 6. Be2 {[%emt 0:00:06]} f6 {[%emt 0:00:10]} 7. exf6 {[%emt 0:00:07]} Qxf6 {[%emt 0:00:04]} 8. Nf1 {[%emt 0:00:11]} Bd6 {[%emt 0:00:10]} 9. Ne3 {[%emt 0:00:09]} O-O {[%emt 0:00:08]} 10. O-O {[%emt 0:00:18]} Qg6 {[%emt 0:00:19]} 11. c4 {[%emt 0:04:32]} Nf6 {[%emt 0:05:54]} 12. a3 {[%emt 0:05:13]} Bd7 {[%emt 0:12:52]} 13. b4 {[%emt 0:00:27]} Ne7 {[%emt 0:10:36]} 14. Ne5 {[%emt 0:02:20]} Qe8 {[%emt 0:02:35]} 15. Bb2 {[%emt 0:04:36]} dxc4 {[%emt 0:01:17]} 16. Bxc4 {[%emt 0:01:15]} Ned5 {[%emt 0:00:45]} 17. Qb3 {[%emt 0:02:46]} c6 {[%emt 0:00:47]} 18. Rae1 {[%emt 0:09:18]} Qh5 {[%emt 0:06:33]} 19. f4 {[%emt 0:01:44]} Bxe5 {[%emt 0:05:36]} 20. dxe5 {[%emt 0:02:03]} Ng4 {[%emt 0:00:38]} 21. Nxg4 {[%emt 0:01:32]} Qxg4 {[%emt 0:00:07]} 22. h3 {[%emt 0:09:59]} Qh4 {[%emt 0:04:15]} 23. f5 {[%emt 0:04:55]} Rxf5 {[%emt 0:01:31]} 24. Bxd5 {[%emt 0:09:06]} cxd5 {[%emt 0:02:06]} 25. Rxf5 {[%emt 0:00:39]} Qxe1+ {[%emt 0:00:11]} 26. Rf1 {[%emt 0:00:07]} Qe4 {[%emt 0:00:55]} 27. Qf3 {[%emt 0:00:56]} Qxf3 {[%emt 0:01:04]} 28. Rxf3 {[%emt 0:00:10]} Rc8 {[%emt 0:00:16]} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.12"]
[Round "7.24"]
[White "Lawrence, Paul"]
[Black "Barron, Michael"]
[Result "0-1"]
[ECO "A88"]
[WhiteElo "1894"]
[BlackElo "2075"]
[Annotator "ChessBase"]
[PlyCount "38"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. c4 {[%emt 0:00:00]} f5 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:38]} Nf6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:04]} d6 {[%emt 0:00:00]} 4. Nf3 {[%emt 0:00:52]} g6 {[%emt 0:00:00]} 5. g3 {[%emt 0:01:17]} Bg7 {[%emt 0:00:00]} 6. Bg2 {[%emt 0:00:07]} O-O {[%emt 0:00:01]} 7. O-O {[%emt 0:06:49]} c6 {[%emt 0:00:03]} 8. Bd2 {[%emt 0:05:59]} h6 {[%emt 0:01:07]} 9. Qc2 {[%emt 0:13:40]} Na6 {[%emt 0:01:27]} 10. a3 {[%emt 0:02:32]} Bd7 {[%emt 0:00:54]} 11. Nh4 {[%emt 0:11:55]} Qe8 {[%emt 0:01:05]} 12. b4 {[%emt 0:05:55]} e5 {[%emt 0:05:53]} 13. dxe5 {[%emt 0:05:52]} dxe5 {[%emt 0:00:28]} 14. e4 {[%emt 0:02:33]} f4 {[%emt 0:01:38]} 15. gxf4 {[%emt 0:05:19]} exf4 {[%emt 0:00:29]} 16. Bxf4 {[%emt 0:15:31]} g5 {[%emt 0:00:03]} 17. e5 {[%emt 0:00:13]} Ng4 {[%emt 0:03:29]} 18. Ng6 {[%emt 0:04:12]} Bf5 {[%emt 0:00:49]} 19. Be4 {[%emt 0:00:34]} Qxg6 {[%emt 0:00:03]} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.12"]
[Round "7.25"]
[White "Bryson, Douglas M"]
[Black "Arkell, Keith C"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2334"]
[BlackElo "2447"]
[Annotator "TA"]
[PlyCount "184"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,184,58,59,47,53,54,67,67,39,39,38,48,38,35,18,18,19,27,17,27,18,79,72,112,106,106,100,103,113,127,121,139,134,134,131,156,160,155,155,142,92,108,65,387,391,388,393,405,18,6,0,0,-206,-206,-158,-30,-23,-17,-96,-96,-256,-231,-264,-197,-277,-282,-298,-275,-288,-257,-389,-389,-389,-389,-383,-372,-423,-382,-376,-375,-365,-364,-332,-313,-345,-350,-608,-612,-544,-374,-426,-379,-379,-377,-346,-308,-308,-308,-338,-338,-379,-331,-820,-882,-772,-734,-1163,-1126,-1986,-1833,-2440,-6129,-6221,-5941,-6083,-3681,-29974,-29974,-29974,-6318,-6347,-6317,-6116,-6286,-6248,-6158,-6115,-4991,-5822,-5085,-2787,-2212,-2236,-1992,-1865,-1759,-1661,-1574,-1705,-1677,-1625,-1359,-29968,-29975,-29972,-29972,-29970,-29968,-29967,-29969,-29985,-29986,-29986,-29985,-29986,-29982,-29982,-29983,-29984,-29982,-29982,-29981,-29983,-29984,-29984,-29985,-29986,-29986,-29988,-29986,-29987,-29988,-29989,-29990,-29990,-29991]} 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. d4 Nf6 5. Nf3 Bg4 6. h3 Bxf3 {B01: Scandinavian Defence.} 7. Qxf3 c6 8. Be3 e6 {White is slightly better.} 9. Bc4 Nbd7 10. O-O Be7 11. Rad1 O-O {[#]} 12. Ne2 $146 ({Predecessor:} 12. Ne4 Nxe4 13. Qxe4 Nf6 14. Qf3 Nd5 15. Bb3 a5 16. a4 Qb6 17. Bc1 Bf6 18. c4 {1-0 (58) Atakisi,U (2351)-Glek,I (2464) Albena 2013}) 12... Nb6 13. Bb3 a5 14. a3 a4 15. Ba2 Nfd5 (15... Nbd5 $11) 16. Bd2 $16 Qc7 17. c4 Nf6 18. Bf4 $36 {[%mdl 2048] Keeping Black busy.} Qd7 19. Nc3 {[%cal Be2c3,Bc3e4,Be4g3][%mdl 32]} Bd8 20. Rfe1 Qc8 21. g4 Bc7 22. Bc1 Re8 23. g5 Nfd7 24. Ne4 Ra5 25. Ng3 c5 26. d5 Ne5 $2 {[%mdl 8192]} ({Black should play} 26... exd5 $1 $14 27. Qc3 Ra8) 27. Qc3 $18 {[%mdl 64] Double Attack} exd5 28. cxd5 (28. Qxa5 Na8 $15) 28... c4 29. d6 $2 (29. Qxa5 Nf3+ 30. Kg2 Nh4+ 31. Kh2 Nf3+ 32. Kg2 Nh4+ 33. Kh2 Nf3+ 34. Kg2 $11) (29. Rxe5 $1 $18 Bxe5 30. Qxa5 Bxg3 31. fxg3 Qxh3 32. Qc3) 29... Nd5 $1 $11 {[%cal Rd5c3]} 30. Rxd5 ({Not} 30. Rxe5 $2 Nxc3 31. d7 Qxd7 $1 $17 {[%mdl 512]}) 30... Rxd5 31. Rxe5 $2 (31. dxc7 $11 {and White is okay.} Qxc7 32. Re3) 31... Rexe5 $19 ({Don't take} 31... Rdxe5 32. dxc7 Qxc7 33. Bd2 $17) 32. dxc7 Qxc7 (32... Rd1+ $17 33. Kh2 Qxc7) 33. Bf4 $11 b5 34. Bxe5 (34. h4 $1 $11 {keeps the balance.}) 34... Qxe5 $17 {Black continues to play with concentration.} 35. Qf3 $2 (35. Qxe5 $17 Rxe5 36. Kf1) 35... Qxg5 $19 36. Bb1 g6 37. Be4 (37. Bc2 $142) 37... Rd8 38. Kg2 h5 {White must now prevent ...h4.} 39. h4 Qe5 40. Bc6 (40. Qe3 {is a better defense.}) 40... Rd3 41. Qe4 Qxe4+ 42. Nxe4 Rb3 43. Nc3 Rxb2 44. Nxb5 Rb3 45. Kf1 Kg7 46. Ke2 f6 47. Kd2 g5 48. Nc3 $2 (48. hxg5 fxg5 49. Nc3) 48... gxh4 49. Bxa4 Rxa3 50. Bb5 Rb3 51. Bxc4 Rb2+ 52. Ke3 Rc2 53. Kd3 Rxf2 {Strongly threatening ...h3.} 54. Ne4 Rf5 {Threatens to win with ...h3.} 55. Be6 Ra5 56. Bh3 $2 (56. Nd2) 56... Ra3+ 57. Nc3 Kg6 58. Kd2 Kg5 59. Be6 f5 60. Bd5 h3 61. Nd1 Ra5 62. Bc6 Ra2+ 63. Ke1 h2 64. Nf2 Ra1+ (64... Kf4 $142 65. Bd5 Rc2 66. Nd1 Ke5 67. Bb7 Kd4 68. Nf2 f4 69. Bh1 {[#]} f3 $1 {[%mdl 512]} 70. Nd1 Rg2 $1 {[%mdl 512]} 71. Nf2 Rg1+ 72. Kd2 Rf1 73. Nh3 Rxh1 74. Nf4 Re1 $1 {[%mdl 576] Decoy, Clearance, Promotion} 75. Kxe1 h1=Q+ 76. Kd2 Qh2+ {[%mdl 64] Double Attack} 77. Kc1 Kc3 78. Nd5+ Kb3 79. Ne3 Qe2 80. Nf5 Qe1#) 65. Ke2 Kf4 66. Nh1 Ra2+ 67. Kd3 h4 68. Bb7 Kg4 69. Bc6 Ra6 70. Bb7 Re6 71. Kd2 Re8 72. Nf2+ Kg5 73. Nh3+ Kf6 74. Nf2 Rb8 75. Bc6 Rb6 76. Bf3 Rb2+ {Black mates.} 77. Ke1 {[#]} h3 $1 78. Bh1 (78. Nxh3 Rb3) 78... Rc2 79. Bb7 Ke5 80. Nd3+ Kd4 81. Nf2 Ra2 82. Bc6 Ra3 83. Ke2 Re3+ 84. Kf1 Rb3 85. Ke2 Rc3 86. Bb7 Re3+ 87. Kf1 Rb3 88. Bc6 f4 89. Bh1 Ra3 90. Ke2 {[#]} f3+ $1 91. Ke1 (91. Bxf3 Re3+) 91... Ra1+ 92. Nd1 {[#]} f2+ $1 {[%mdl 64] Promotion. Accuracy: White = 57%, Black = 78%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.12"]
[Round "7.26"]
[White "Hebden, Mark L"]
[Black "Farrell, Neil"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2444"]
[BlackElo "2183"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,85,7,10,14,20,10,23,18,5,12,37,36,70,77,114,69,61,17,48,45,69,70,133,143,143,133,141,108,98,112,111,98,105,79,96,101,132,138,175,115,159,141,156,164,164,158,210,217,216,212,212,191,356,359,319,341,469,469,393,267,224,219,331,185,487,475,650,659,1232,1156,29992,29993]} 1. d4 e6 2. Nf3 Nf6 3. Bg5 c5 4. e3 h6 5. Bh4 Nc6 6. c3 d5 7. Nbd2 Be7 8. Bd3 b6 {is now more promising than 8...0-0.} 9. Ne5 {D03: 1 d4 d5 2 Nf3 Nf6 3 Bg5, including Torre Attack with early ...d5.} Nxe5 10. dxe5 Nd7 11. Bxe7 {White has an edge.} Qxe7 12. f4 O-O 13. Qh5 c4 14. Bc2 $1 {[#]} Nc5 $146 ({Predecessor:} 14... Qc5 15. Ke2 Qb5 16. Rab1 Nc5 17. g4 Nd3 18. g5 g6 19. Qxh6 Bb7 20. Rhg1 d4 21. Rg4 dxe3 22. Rf1 Qd5 23. Kxe3 Nxf4 24. Rfxf4 Qc5+ 25. Ke2 Qxe5+ 26. Be4 {1-0 (26) Landero Luna,V (2272)-Bonay Toscas,S (2149) ICCF email 2019}) 15. Nf3 Bd7 16. Nd4 Be8 17. O-O f5 18. Qe2 Qh4 ({Black should play} 18... g6 $14) 19. b4 $16 cxb3 20. axb3 Bh5 21. Qe1 Qe7 22. b4 Ne4 23. Bxe4 dxe4 24. Ra3 Rfc8 25. Qa1 Rc7 26. Qa2 Bf7 27. Ra1 (27. Nb5 $18) 27... a5 28. bxa5 Rxa5 29. Rxa5 bxa5 30. Qxa5 Rc5 (30... Rc8 $16 {keeps fighting.} 31. Qb4 Qc7) 31. Qb4 $18 Qc7 32. Ra3 Rc4 33. Qb2 ({Don't do} 33. Ra8+ $6 Kh7 $16) 33... Qc5 $2 {[#]} (33... Qd8 {was necessary.} 34. Ra7 Rc7) 34. h3 Kh7 35. Kh2 Qc7 36. Rb3 Bg8 37. Qa1 Qc5 38. Qa3 Qc7 (38... Qxa3 $142 39. Rxa3 Rc8) 39. Nb5 (39. Qd6 $142) 39... Qd8 $2 (39... Qb6) 40. Nd6 Rc6 41. Rb7 {[#] Threatens to win with Qa7.} Kh8 42. c4 Qh4 43. Ne8 {Accuracy: White = 67%, Black = 36%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.12"]
[Round "7.27"]
[White "Grant, Jonathan I M"]
[Black "Flear, Glenn C"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "2166"]
[BlackElo "2420"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,76,7,13,0,11,-2,20,14,18,5,14,-66,-75,-74,-50,-62,0,13,72,0,0,0,0,0,98,92,61,-53,-37,-83,-81,-87,-74,-103,-101,-106,-96,-125,-116,-115,-108,-127,-110,-100,-69,-124,-120,-120,-83,-86,-59,-121,-24,-43,-56,-67,-108,-284,-302,-360,-356,-332,-264,-228,-235,-375,-362,-887,-863]} 1. c4 e6 2. Nf3 d5 3. e3 Nf6 4. Nc3 a6 5. b3 {[%cal Bb2b3,Bb3c4][%mdl 32]} Bd6 6. Bb2 {A17: English Opening: 1...Nf6 with ...Bb4.} O-O 7. Be2 {[#]} dxc4 $146 ({Predecessor:} 7... c5 8. cxd5 exd5 9. d4 cxd4 10. Nxd4 Nc6 11. Nxc6 bxc6 12. Rc1 Qe7 13. Bf3 Rb8 {½-½ (58) Papin,V (2483)-Sukandar,I (2393) Adelaide 2018}) 8. bxc4 {The position is equal.} b6 9. Qc2 Bb7 10. g4 (10. d4 $11) 10... Nxg4 $15 11. Ne4 f5 12. Neg5 $1 {[%cal Rg5e6]} Qe7 (12... Qc8 $15 13. c5 bxc5) 13. Rg1 $1 $11 Nf6 {[#]} (13... h6 $11 14. Rxg4 Bxf3 15. Bxf3 hxg5) 14. Nd4 (14. c5 $1 $16 {[%cal Rc5d6][%mdl 512]} bxc5 15. Bc4) 14... Bxh2 15. O-O-O $1 Bxg1 16. Rxg1 Nbd7 (16... Bc8 $11 {remains equal.} 17. c5 b5) 17. Ngxe6 $16 g6 18. Nxf8 ({White should try} 18. Nxc7 $14 Kh8 19. Nxa8 Rxa8 20. Qc3) 18... Kxf8 $15 19. d3 Re8 20. Qc3 Qd6 21. Bf3 Bxf3 22. Nxf3 Ke7 23. Ba3 {[#]} c5 $1 24. d4 Ne4 25. Qc2 Kf7 26. Rd1 Qc7 27. Bb2 (27. Kb1 $15) 27... cxd4 $17 28. Rxd4 Ndc5 29. Rd5 Rd8 {And now ...Rxd5 would win.} 30. Ne5+ {[#]} ({White should play} 30. Qd1 $15 Ke7 31. Ne5) 30... Ke6 ({Better is} 30... Ke8 $1 $17 {White must now prevent ...Rxd5.} 31. Kb1 Rd6) 31. f3 Nf6 32. Rxd8 Qxd8 33. Nc6 $2 {Now White is beyond hope.} (33. Qh2 $17) 33... Qd3 $19 {aiming for ...Qf1+.} 34. Nd4+ Kf7 35. Qc3 Qxc3+ 36. Bxc3 h5 37. Ne2 (37. Kd2 $142) 37... Ne8 38. Be5 $2 (38. Kd1) 38... Nd3+ {[%mdl 64] Double Attack. Accuracy: White = 52%, Black = 69%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.12"]
[Round "7.28"]
[White "McDonald, Neil"]
[Black "Burnett, Andrew"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2410"]
[BlackElo "2138"]
[Annotator "TA"]
[PlyCount "172"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,172,46,45,37,30,33,85,0,331,328,289,190,295,303,400,389,365,303,478,293,268,262,590,396,379,377,369,379,356,336,326,343,342,341,377,384,377,339,339,333,333,339,315,263,265,260,264,257,266,248,245,247,230,236,244,236,243,210,207,196,215,216,206,189,210,203,210,212,218,219,238,184,204,195,222,223,241,233,240,235,259,259,251,245,266,259,259,259,252,244,244,244,244,229,255,329,389,359,400,333,478,452,524,527,520,514,514,512,507,495,452,214,552,499,512,214,346,229,391,516,1755,1505,1395,377,1747,204,1787,1647,12841,12842,12845,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4 a6 5. Nf3 Nd7 6. Bc4 {B06: Modern Defence.} e6 7. f5 Nb6 (7... exf5 $14 8. exf5 Nb6 9. fxg6 (9. Bg5 f6 $11) 9... hxg6) 8. Bb3 {[#]} (8. fxg6 $16 Nxc4 9. gxf7+ Kxf7 10. Ng5+ Ke8 11. Qh5+ Kd7 12. Rf1 Bxd4 {[#]} 13. Nxe6 $1 {[%mdl 512]} Bxc3+ 14. bxc3) 8... c5 $146 {[%mdl 8192]} (8... exf5 $11 9. O-O Ne7) ({Predecessor:} 8... exf5 9. O-O Ne7 10. Bg5 O-O 11. Qe1 h6 12. Qh4 Re8 13. Bxh6 d5 14. e5 Nd7 15. Ng5 Bxh6 16. Qxh6 Nf8 17. Rf4 {1-0 (17) Harika,D (2539)-Tan,Z (2502) Teheran 2017}) 9. dxc5 $18 dxc5 10. Qxd8+ Kxd8 11. Be3 exf5 12. O-O-O+ Nd7 13. exf5 ({Don't play} 13. Bxf7 Bxc3 14. bxc3 Ke7 $18) 13... Bh6 (13... Kc7 $142 14. Rhe1 gxf5 15. Bxf7 Ngf6) 14. Bxh6 Nxh6 15. Ne5 {Black must now prevent Be6!} Rf8 $2 (15... Kc7 {is more resistant.}) 16. Rxd7+ {[%mdl 64] [#] Clearance} Bxd7 17. Rd1 Re8 18. Nxd7 Kc7 19. fxg6 hxg6 20. Nxc5 Rad8 21. Rf1 Re5 22. Nd3 Rg5 23. g3 Rh5 24. h4 Rf5 25. Nf4 Kb8 26. Re1 g5 27. hxg5 Rxg5 28. Ne4 Re5 29. Nd3 Re7 30. Rh1 Nf5 31. g4 Nd4 32. Ng3 Rc7 33. Kd1 Rg8 34. Nf5 Nxb3 35. axb3 ({Resist} 35. cxb3 $6 Rd7 $16) 35... Rxg4 36. Rh2 Rg1+ 37. Kd2 Rf1 38. Ne3 Rf3 39. Ne5 Rf4 40. N3c4 f6 41. Nd3 Rg4 42. Rf2 Rg6 43. Nb6 Rcg7 44. Nd5 Rg2 45. Nxf6 Rxf2+ 46. Nxf2 Rg1 47. c4 Rg2 48. N6e4 Rh2 49. Kc3 Rh4 50. Kd4 Rh8 51. Nd3 Rd8+ 52. Kc3 Rh8 53. b4 Rh3 54. Nf6 Rh4 (54... Kc7 $142 55. Kd4 Rh2) 55. Nd5 Rg4 56. c5 Rh4 57. N5f4 Kc7 58. Ne6+ Kb8 59. Nd4 Kc7 60. Nf5 (60. Nf4 $142 Kd7 61. Nfe6) 60... Re4 $2 (60... Rh5 {is tougher.}) 61. Nd6 Rh4 62. Ne5 (62. b5 $142 axb5 63. Ne5 (63. Nxb5+ Kc6 $18)) 62... Rh3+ (62... Rh5 {might work better.}) 63. Kc4 Rh4+ $2 (63... Rh5) 64. Kb3 Rh3+ (64... Rh5 $142 65. Ndc4 Rh1) 65. Ka4 Rh2 66. Nec4 $2 (66. Ndc4 Rh1 67. b5 axb5+ 68. Kxb5) 66... Rh3 $2 (66... Rh5 67. Nf7 Kc6 68. Nd8+ Kc7) 67. Ka5 $2 (67. b5 axb5+ 68. Nxb5+ Kd7 69. Nbd6) 67... Rb3 $2 (67... Rh5 68. Ka4 Rg5) 68. b5 axb5 69. Nxb5+ Kb8 70. Kb6 $2 (70. Nc3 $18 {And now Ka4 would win.} Kc7 71. Nb5+ (71. Ka4 Rxb2 72. Nxb2 Kc6 $14) 71... Kb8 72. Nc3) 70... Rb4 $11 {The position is equal.} 71. b3 Rxb3 72. Ncd6 Rb1 73. Ne4 (73. c6 {feels hotter.} bxc6 74. Kxc6) 73... Rb4 74. Nec3 Rb2 75. Ka5 Rb3 76. Ka4 Rb2 $1 77. Ka3 Rh2 78. Nd5 Rh5 79. Nbc3 Rh4 80. Kb3 Rd4 81. Nb6 Rh4 82. Nc4 Kc7 83. Na5 Rh3 84. Nc4 Kc6 85. Kb4 Rxc3 86. Kxc3 {Kb4 would kill now.} Kxc5 {Blacks defense is rewarded with a draw. Accuracy: White = 76%, Black = 57%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.12"]
[Round "7.29"]
[White "Fritsche, Lutz"]
[Black "Denk, Adolf"]
[Result "1/2-1/2"]
[ECO "B20"]
[WhiteElo "2321"]
[BlackElo "2224"]
[Annotator "NA RC"]
[PlyCount "2"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} c5 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.12"]
[Round "7.30"]
[White "Druckenthaner, Andreas"]
[Black "Maier, Christian"]
[Result "1/2-1/2"]
[ECO "C44"]
[WhiteElo "2277"]
[BlackElo "2294"]
[Annotator "NA RC"]
[PlyCount "4"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 e5 2. Nf3 Nc6 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.12"]
[Round "7.31"]
[White "Wolf, Volker"]
[Black "Ernst, Michael"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "2278"]
[BlackElo "2155"]
[Annotator "NA RC"]
[PlyCount "2"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.12"]
[Round "7.32"]
[White "Kranzl, Peter"]
[Black "Polster, Wolfgang"]
[Result "1/2-1/2"]
[ECO "B00"]
[WhiteElo "2153"]
[BlackElo "2201"]
[Annotator "NA RC"]
[PlyCount "1"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.12"]
[Round "7.33"]
[White "Bartak, Vladimir"]
[Black "Strutinskaia, Galina"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "2276"]
[BlackElo "2214"]
[Annotator "NA RC"]
[PlyCount "3"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:37]} 2. Nf3 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.12"]
[Round "7.34"]
[White "Sirotkina, Nina"]
[Black "Hosticka, Frantisek"]
[Result "1/2-1/2"]
[ECO "A41"]
[WhiteElo "2183"]
[BlackElo "2096"]
[Annotator "ChessBase"]
[PlyCount "82"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} d6 {[%emt 0:00:00]} 2. Bf4 {[%emt 0:02:28]} Bg4 {[%emt 0:01:15]} 3. h3 {[%emt 0:05:22]} Bh5 {[%emt 0:01:34]} 4. Nd2 {[%emt 0:06:59]} Nf6 {[%emt 0:01:43]} 5. Ngf3 {[%emt 0:00:41]} e6 {[%emt 0:02:33]} 6. e3 {[%emt 0:06:42]} Be7 {[%emt 0:01:09]} 7. Be2 {[%emt 0:00:41]} O-O {[%emt 0:00:30]} 8. O-O {[%emt 0:08:42]} Nbd7 9. c3 Nb6 {[%emt 0:08:14]} 10. a4 {[%emt 0:02:01]} a5 {[%emt 0:00:48]} 11. Re1 {[%emt 0:02:38]} Re8 {[%emt 0:04:59]} 12. e4 {[%emt 0:03:43]} d5 {[%emt 0:01:19]} 13. e5 {[%emt 0:06:07]} Nfd7 {[%emt 0:02:39]} 14. Nb3 {[%emt 0:07:21]} Nc4 {[%emt 0:05:50]} 15. Ra2 {[%emt 0:09:07]} Bg6 {[%emt 0:04:49]} 16. Nc1 {[%emt 0:03:59]} c5 {[%emt 0:02:02]} 17. Nd3 {[%emt 0:01:14]} cxd4 {[%emt 0:01:00]} 18. cxd4 {[%emt 0:00:41]} Rc8 {[%emt 0:03:25]} 19. b3 {[%emt 0:01:12]} Ncb6 {[%emt 0:01:05]} 20. Bd2 {[%emt 0:00:51]} Na8 {[%emt 0:01:14]} 21. Nf4 {[%emt 0:00:46]} Nb8 {[%emt 0:06:50]} 22. Nxg6 {[%emt 0:01:11]} hxg6 {[%emt 0:01:02]} 23. Bb5 {[%emt 0:01:25]} Nc6 {[%emt 0:01:27]} 24. Qb1 {[%emt 0:08:30]} Rf8 {[%emt 0:02:11]} 25. Rc2 {[%emt 0:01:30]} Qb6 {[%emt 0:02:58]} 26. Qb2 {[%emt 0:02:36]} Nc7 {[%emt 0:02:18]} 27. Bxc6 {[%emt 0:09:18]} bxc6 {[%emt 0:00:26]} 28. Qc3 {[%emt 0:00:42]} Na8 {[%emt 0:03:47]} 29. Qxa5 {[%emt 0:02:53]} Qxb3 {[%emt 0:00:27]} 30. Rcc1 {[%emt 0:01:14]} Qb6 {[%emt 0:03:56]} 31. Qc3 {[%emt 0:01:58]} c5 {[%emt 0:01:09]} 32. a5 {[%emt 0:00:26]} Qa6 {[%emt 0:00:24]} 33. Rb1 cxd4 {[%emt 0:01:47]} 34. Qxd4 {[%emt 0:01:36]} Rc4 {[%emt 0:00:31]} 35. Qb2 Bc5 36. Rbc1 {[%emt 0:01:25]} Qa7 {[%emt 0:02:18]} 37. Rf1 {[%emt 0:00:29]} Rb8 {[%emt 0:00:53]} 38. Qa1 Re4 {[%emt 0:10:58]} 39. Qc3 {[%emt 0:01:36]} Rc4 40. Qa1 {[%emt 0:00:00]} Re4 {[%emt 0:00:00]} 41. Qc3 {[%emt 0:07:08]} Rc4 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.12"]
[Round "7.35"]
[White "Strnad, Josef"]
[Black "Bogumil, Tatiana"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1860"]
[BlackElo "2182"]
[Annotator "ChessBase"]
[PlyCount "130"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:12]} 2. d4 {[%emt 0:00:00]} g6 {[%emt 0:05:42]} 3. c4 {[%emt 0:00:13]} Bg7 {[%emt 0:00:22]} 4. Nc3 {[%emt 0:00:28]} d6 {[%emt 0:04:49]} 5. Bf4 {[%emt 0:02:37]} Nh5 {[%emt 0:09:34]} 6. Bg5 {[%emt 0:04:37]} h6 {[%emt 0:00:45]} 7. Bd2 {[%emt 0:00:30]} O-O {[%emt 0:02:21]} 8. e4 {[%emt 0:02:37]} Nc6 {[%emt 0:18:00]} 9. Be3 {[%emt 0:02:03]} Kh7 {[%emt 0:05:39]} 10. Be2 {[%emt 0:01:35]} Bd7 {[%emt 0:10:55]} 11. Qd2 {[%emt 0:01:50]} Nf6 {[%emt 0:02:25]} 12. h3 {[%emt 0:00:19]} Ng8 {[%emt 0:00:46]} 13. d5 {[%emt 0:05:31]} Ne5 {[%emt 0:01:04]} 14. Nd4 {[%emt 0:01:13]} c5 {[%emt 0:00:58]} 15. dxc6 {[%emt 0:01:09]} Nxc6 {[%emt 0:00:46]} 16. O-O {[%emt 0:01:08]} Qc8 {[%emt 0:06:59]} 17. Rac1 {[%emt 0:10:16]} b6 {[%emt 0:04:37]} 18. f4 {[%emt 0:03:12]} Rd8 {[%emt 0:04:06]} 19. Bf3 {[%emt 0:01:33]} Rb8 {[%emt 0:02:54]} 20. Nxc6 {[%emt 0:04:28]} Bxc6 {[%emt 0:00:05]} 21. Qe2 {[%emt 0:00:19]} Qb7 {[%emt 0:01:33]} 22. Bf2 {[%emt 0:00:54]} Nf6 {[%emt 0:02:03]} 23. Bg3 {[%emt 0:07:36]} Nd7 {[%emt 0:00:28]} 24. e5 {[%emt 0:02:37]} Bxf3 {[%emt 0:00:16]} 25. Rxf3 {[%emt 0:00:13]} f5 {[%emt 0:05:00]} 26. exf6 {[%emt 0:00:56]} Nxf6 {[%emt 0:00:27]} 27. Re1 {[%emt 0:03:50]} Qc6 {[%emt 0:03:13]} 28. Kf1 {[%emt 0:06:55]} Rb7 {[%emt 0:00:32]} 29. Qe6 {[%emt 0:02:28]} Rc8 {[%emt 0:00:36]} 30. b3 {[%emt 0:00:28]} Qd7 {[%emt 0:02:24]} 31. Qe2 {[%emt 0:05:02]} Qf5 {[%emt 0:00:28]} 32. Bh2 {[%emt 0:00:39]} h5 {[%emt 0:00:09]} 33. Nb5 {[%emt 0:01:29]} Ng8 {[%emt 0:01:03]} 34. Rd1 {[%emt 0:02:31]} a6 {[%emt 0:00:34]} 35. Na3 {[%emt 0:00:44]} Nf6 {[%emt 0:01:51]} 36. Nc2 {[%emt 0:00:44]} Ng8 {[%emt 0:01:13]} 37. Ne3 {[%emt 0:00:37]} Qe4 {[%emt 0:01:01]} 38. g4 {[%emt 0:02:42]} Rf8 {[%emt 0:00:39]} 39. f5 {[%emt 0:01:45]} gxf5 {[%emt 0:00:31]} 40. gxf5 {[%emt 0:00:00]} Bh6 {[%emt 0:00:00]} 41. Nd5 {[%emt 0:07:25]} Qxe2+ {[%emt 0:02:06]} 42. Kxe2 {[%emt 0:00:04]} Nf6 {[%emt 0:01:06]} 43. Nf4 {[%emt 0:02:21]} Bxf4 {[%emt 0:04:38]} 44. Rxf4 {[%emt 0:09:05]} Rg8 {[%emt 0:00:23]} 45. Kf3 {[%emt 0:01:19]} b5 {[%emt 0:02:30]} 46. Rd2 {[%emt 0:11:24]} bxc4 {[%emt 0:00:17]} 47. Rxc4 {[%emt 0:00:51]} Rb5 {[%emt 0:05:19]} 48. Kf4 {[%emt 0:06:43]} Kh6 {[%emt 0:02:05]} 49. Re2 {[%emt 0:03:07]} Rg5 50. Re6 {[%emt 0:06:35]} Rgxf5+ {[%emt 0:06:10]} 51. Ke3 {[%emt 0:01:32]} Rb7 {[%emt 0:00:19]} 52. Bf4+ {[%emt 0:04:04]} Kg7 {[%emt 0:00:33]} 53. Bxd6 {[%emt 0:01:40]} exd6 {[%emt 0:01:05]} 54. Rxd6 {[%emt 0:00:02]} Re7+ {[%emt 0:00:32]} 55. Kd4 {[%emt 0:00:42]} Re4+ {[%emt 0:01:46]} 56. Kc3 {[%emt 0:00:24]} Re3+ {[%emt 0:01:02]} 57. Kb4 {[%emt 0:00:25]} a5+ {[%emt 0:00:44]} 58. Ka4 {[%emt 0:00:39]} Rxh3 {[%emt 0:03:24]} 59. Ra6 {[%emt 0:00:49]} Rh2 {[%emt 0:01:22]} 60. a3 {[%emt 0:00:22]} Ra2 {[%emt 0:01:03]} 61. b4 {[%emt 0:01:13]} axb4 {[%emt 0:00:12]} 62. Rxb4 {[%emt 0:00:18]} Kg6 {[%emt 0:01:46]} 63. Kb3 {[%emt 0:00:11]} Raf2 {[%emt 0:01:08]} 64. a4 {[%emt 0:00:49]} Kg5 {[%emt 0:00:42]} 65. Rb5 {[%emt 0:00:45]} h4 {[%emt 0:00:38]} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.12"]
[Round "7.36"]
[White "Titorenko, Natalia I"]
[Black "Kalvach, Ladislav"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "2113"]
[BlackElo "1773"]
[Annotator "TA"]
[PlyCount "125"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,125,35,0,27,0,29,26,27,20,45,31,32,41,52,0,11,-60,-60,-88,-65,-62,-45,-72,-61,-171,-24,-29,29,-9,10,-18,-17,-40,-23,-16,0,-16,25,-5,0,-23,0,0,0,0,164,167,194,117,117,120,120,104,138,138,282,154,159,115,120,117,127,50,53,64,229,164,281,204,195,162,179,175,165,175,151,144,178,157,249,135,159,116,121,114,105,106,110,95,104,0,0,-18,45,0,39,39,39,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. O-O e6 5. c4 c5 6. Nc3 Be7 7. b3 O-O 8. Bb2 Nc6 9. e3 d5 10. d3 a6 {A14: English Opening: 1...e6 with b3 by White.} 11. Qe2 Qc7 12. cxd5 exd5 {White has an edge.} 13. Rac1 b5 14. Nh4 {[#]} Rfd8 $146 ({Predecessor:} 14... Qd7 15. Rfd1 Rfe8 16. Qf1 Rad8 17. Ne2 g5 18. Nf3 Qf5 19. h3 Nd7 20. g4 Qe6 {1-0 (42) Tosic,M (2425)-Vucic,M (2395) Kladovo 1989}) 15. Nf5 Bf8 16. Nb1 (16. Nxd5 $14 Rxd5 17. Nh6+ $1 {[%mdl 512]} gxh6 18. Bxd5) 16... d4 17. e4 (17. exd4 $11 Qd7 18. d5) 17... g6 18. Nh4 Re8 19. Nd2 Rad8 20. Rfe1 Bc8 21. Qf1 (21. a3 $15) 21... Ng4 (21... Qa5 $19 22. Nhf3 Qxa2) 22. h3 Nh6 (22... Nf6 $142) 23. Nhf3 f6 24. a3 Qb6 25. Re2 Rd7 26. Ne1 a5 27. f4 Nf7 28. Nef3 (28. e5 $5 fxe5 29. Ne4 $11) 28... Nd6 29. Ba1 b4 30. a4 Ba6 31. Ne1 c4 $2 (31... Rde7 $11 {and Black has nothing to worry.}) 32. bxc4 $18 {Black must now prevent c5.} (32. dxc4 $6 Nf5 $14) 32... Nb7 {[#]} 33. Nb3 (33. e5 $1 $18 {[%mdl 512] Strongly threatening Ne4.} fxe5 34. Bd5+ Kh8 35. Nef3) 33... Nc5 $16 34. Nxc5 Bxc5 35. Kh2 b3 36. Rb1 Qb4 (36... Bb7 $16 37. Reb2 Nb4) 37. Reb2 (37. e5 $18 Qxa4 38. exf6) 37... Qxa4 38. Rxb3 Nb4 39. Qe2 Rde7 40. Nc2 (40. Nf3 $16) 40... Nxc2 $14 41. Qxc2 Rd8 $2 (41... Rb7 $1 $14) 42. Qf2 Ba7 (42... Qe8 {was necessary.} 43. Re1 a4) 43. Qd2 Bc5 44. R3b2 Bb4 45. Qf2 {Threatens to win with Ra2.} ({Don't do} 45. Rxb4 $6 axb4 46. Qxb4 Qxb4 $14) 45... Qd7 46. Ra2 {aiming for Rxb4!} Bb7 47. Bb2 Ree8 48. Ba3 Bc3 (48... Bxa3 $16 49. Rxa3 a4) 49. Bc1 (49. h4 $18) 49... Bc6 $16 50. Qc2 Rb8 51. Bd2 {Rxb8 is the strong threat.} Bxd2 52. Rxb8 Rxb8 53. Qxd2 a4 54. Bf3 ({White should play} 54. e5 $16) 54... Qb7 55. Bd1 Qa7 ({Black should try} 55... Qb1 $11) 56. Bc2 a3 57. Qc1 Ra8 58. Bb3 {next c5+ is good for White.} Qc5 {The position is equal.} 59. Bd1 Kg7 60. g4 g5 61. fxg5 fxg5 62. Kg2 Kg6 63. Bf3 {White really could win this. Accuracy: White = 56%, Black = 58%.} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.12"]
[Round "7.37"]
[White "Kozak, Milos"]
[Black "Matveeva, Svetlana"]
[Result "0-1"]
[ECO "E68"]
[WhiteElo "2174"]
[BlackElo "2375"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,50,21,9,30,0,15,-6,29,24,33,-26,-29,-20,-18,-59,-33,-25,0,-76,-57,-84,-46,-48,-71,-79,-52,-116,0,-145,-141]} 1. Nf3 Nf6 2. d4 g6 3. c4 Bg7 4. g3 O-O 5. Bg2 d6 6. Nc3 Nbd7 7. O-O e5 8. e4 exd4 9. Nxd4 Re8 10. h3 Nc5 11. Re1 Bd7 $1 {[%mdl 4] is currently scoring better than 11...a5.} 12. Kh2 a6 {E68: King's Indian: Fianchetto: 6...Nbd7 7 0-0 e5 8 e4.} 13. a4 a5 14. Ndb5 Qc8 {[#] The position is equal.} 15. f3 $146 ({Predecessor:} 15. Bf4 Bc6 16. Qc2 Ne6 17. Be3 Nd7 18. Rad1 Ndc5 19. Nd5 Na6 20. f4 Qb8 21. Qf2 Bxd5 22. cxd5 {½-½ (56) Huzman,A (2602)-Dyachkov,S (2553) Moscow 2009}) 15... Be6 16. Nd5 (16. b3 $14) 16... Nxd5 $1 $11 17. cxd5 Bd7 18. Qc2 f5 (18... Bxb5 $5 19. axb5 Qd7 $15) 19. Be3 b6 20. Nd4 (20. Bxc5 $1 $11 {remains equal.} bxc5 21. exf5) 20... fxe4 $17 21. fxe4 Re5 22. h4 Qe8 {[%cal Rd7a4]} 23. Bf4 Bxa4 24. b3 {[#]} (24. Qd2 $15) 24... Re7 (24... Bd7 $1 $17 {Strongly threatening ...Rh5.} 25. Rad1 Re7) 25. bxa4 (25. Rxa4 $11 Nxa4 26. Nc6) 25... Bxd4 {Accuracy: White = 46%, Black = 54%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.12"]
[Round "7.38"]
[White "Grabuzova, Tatiana"]
[Black "Bartos, Jan"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "2272"]
[BlackElo "2102"]
[Annotator "ChessBase"]
[PlyCount "79"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 3. g3 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 4. Bg2 {[%emt 0:00:00]} dxc4 {[%emt 0:00:00]} 5. Nf3 {[%emt 0:00:04]} c5 {[%emt 0:00:08]} 6. O-O {[%emt 0:00:23]} Nc6 {[%emt 0:01:57]} 7. dxc5 {[%emt 0:00:19]} Qxd1 {[%emt 0:00:05]} 8. Rxd1 {[%emt 0:00:06]} Bxc5 {[%emt 0:00:07]} 9. Nbd2 {[%emt 0:00:18]} c3 {[%emt 0:00:10]} 10. bxc3 {[%emt 0:00:05]} O-O {[%emt 0:00:09]} 11. Ne1 {[%emt 0:09:21]} Bd7 {[%emt 0:04:14]} 12. Nd3 {[%emt 0:04:22]} Be7 {[%emt 0:00:55]} 13. Bb2 {[%emt 0:04:50]} Rfd8 {[%emt 0:01:00]} 14. Nb3 {[%emt 0:01:49]} b6 {[%emt 0:01:17]} 15. a4 {[%emt 0:02:19]} Rab8 {[%emt 0:11:40]} 16. a5 {[%emt 0:15:20]} Nxa5 {[%emt 0:02:00]} 17. Nxa5 {[%emt 0:00:11]} bxa5 {[%emt 0:00:09]} 18. Rxa5 {[%emt 0:00:08]} Bb5 {[%emt 0:00:31]} 19. Rxa7 {[%emt 0:12:19]} Bc5 {[%emt 0:02:44]} 20. Ra5 {[%emt 0:01:14]} Bxd3 {[%emt 0:03:41]} 21. Rxd3 {[%emt 0:02:50]} Bxf2+ {[%emt 0:04:38]} 22. Kf1 {[%emt 0:00:59]} Bb6 {[%emt 0:02:03]} 23. Rb5 {[%emt 0:20:27]} Rxd3 {[%emt 0:20:41]} 24. exd3 {[%emt 0:00:10]} Ng4 {[%emt 0:00:06]} 25. Bh3 {[%emt 0:14:44]} Nf2 {[%emt 0:03:20]} 26. Ba3 {[%emt 0:00:46]} Nxh3 {[%emt 0:08:05]} 27. Bd6 {[%emt 0:00:25]} Rb7 {[%emt 0:04:16]} 28. Bc5 {[%emt 0:02:15]} Bxc5 {[%emt 0:00:08]} 29. Rxb7 {[%emt 0:00:04]} Bf8 {[%emt 0:10:00]} 30. Kg2 {[%emt 0:00:58]} Ng5 {[%emt 0:00:14]} 31. h4 {[%emt 0:00:04]} h6 {[%emt 0:00:18]} 32. hxg5 {[%emt 0:00:05]} hxg5 {[%emt 0:00:04]} 33. d4 {[%emt 0:00:32]} g6 {[%emt 0:00:59]} 34. c4 {[%emt 0:01:17]} Bg7 {[%emt 0:00:20]} 35. Rb8+ {[%emt 0:00:29]} Kh7 {[%emt 0:00:05]} 36. Rd8 {[%emt 0:00:05]} Bf6 {[%emt 0:00:11]} 37. Rd7 {[%emt 0:01:14]} Kg7 {[%emt 0:00:04]} 38. c5 {[%emt 0:00:06]} Kf8 {[%emt 0:00:06]} 39. c6 {[%emt 0:00:07]} Ke8 {[%emt 0:00:09]} 40. Rb7 {[%emt 0:00:00]} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.12"]
[Round "7.39"]
[White "Trejbal, Stanislav"]
[Black "Yakimenko, Alexander A."]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "2092"]
[BlackElo "2149"]
[Annotator "TA"]
[PlyCount "163"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,163,18,28,2,16,15,22,12,41,39,49,0,15,-17,0,0,0,0,7,0,33,21,88,91,116,128,124,116,126,87,133,129,161,127,174,169,154,154,220,207,208,208,206,164,325,333,327,275,346,347,323,284,358,352,345,288,346,333,341,350,338,337,484,479,597,70,808,608,825,821,761,759,898,575,603,370,398,380,429,433,410,404,429,432,487,499,483,410,556,543,531,520,817,720,832,817,809,795,1046,1001,1152,1046,1265,1241,1384,1321,29982,818,1598,2598,5014,1862,5018,1045,5018,1258,1917,1221,3236,2793,1627,1770,29966,10879,1643,1195,29974,29972,29973,29975,29976,29977,29977,29978,29978,29979,29982,29983,29983,29984,29984,29984,29984,29985,29985,29986,29987,29987,29989,29989,29990,29991]} 1. e4 e6 2. d4 d5 3. exd5 exd5 4. c3 Bd6 5. Bd3 Ne7 6. Ne2 Nbc6 7. Bf4 Bg4 {aiming for ...Bxe2.} 8. f3 {C01: French: Exchange Variation.} Bh5 9. Qc2 Bg6 10. Nd2 {[%cal Bb1d2,Bd2f1,Bf1e3,Be3g4][%mdl 32] The position is equal.} Bxf4 11. Nxf4 Qd6 12. Ne2 {[#]} h5 $146 ({Predecessor:} 12... O-O 13. O-O Qf6 14. Bxg6 Qxg6 15. Qxg6 Nxg6 16. Rfe1 Rfe8 17. Kf2 Kf8 18. g3 b6 19. Ng1 Na5 20. Rxe8+ Rxe8 {½-½ (30) Lorenz,N (1913)-Nguyen Minh,T (1936) Magdeburg 2010}) 13. O-O-O h4 14. Nf1 O-O-O 15. Ne3 Kb8 16. Rde1 Qf6 17. Bxg6 fxg6 (17... Nxg6 $11 18. Qf5 Qe6 19. Qxe6 fxe6) 18. Ng4 $16 Qg5+ 19. Qd2 Qf5 20. Nf4 Rd6 21. Re2 Rf8 {[#]} 22. Nh3 $1 Nc8 23. Rhe1 Nb4 24. Re3 Nxa2+ 25. Kd1 Rb6 (25... Ra6 $16 {was called for.} 26. Qc2 c5) 26. Ke2 $18 Nd6 {[#] Strongly threatening ...Nc4.} 27. Ne5 $1 Kc8 28. Nf2 Nc4 $2 (28... Qg5) 29. Nxc4 dxc4 30. Re5 Qf6 31. Kf1 Rd8 32. Ng4 Qc6 33. h3 Qa4 34. R1e2 a6 35. Re7 Kb8 36. Ne5 ({Don't take} 36. Rxg7 Rbd6 $18) 36... Qb5 37. Rxg7 a5 (37... Rbd6 $142 38. Kg1 Qb3 39. Rxg6 Rxg6) 38. Qf4 a4 {intending ...a3.} 39. Nxg6 $2 (39. Qxh4 $18 Rbd6 40. Nf7) 39... Nxc3 $2 {[%mdl 8192] This move loses the game for Black.} (39... Rbd6 $14) 40. bxc3 Qb1+ 41. Kf2 Rbd6 42. Ne5 a3 43. Qd2 Qb3 44. Qa2 Qxc3 45. Qxc4 Qxd4+ 46. Qxd4 Rxd4 47. Rg4 c5 48. Nc4 b5 49. Nxa3 b4 50. Nc2 Rxg4 51. hxg4 {[%mdl 4096] Endgame KRN-KR} Kc7 52. g5 Kc6 (52... Rf8 $142 53. Ne3 Kb7) 53. f4 b3 54. Na3 Ra8 55. Nb1 Kd5 56. Kf3 c4 57. g6 Rc8 58. Rd2+ Ke6 59. Nc3 Kf5 60. g7 (60. Rd6 $142 Rd8 61. Rxd8 Kxg6 62. Rc8 Kf6 63. Rxc4 b2 64. Rb4 b1=B 65. Rxb1) 60... Kg6 61. Rd7 b2 62. Kg4 Rb8 63. Nb1 Kh7 64. Rc7 Rb3 65. Kxh4 Rd3 66. Rxc4 Rd1 67. Na3 Ra1 68. Rb4 Kxg7 69. Rxb2 Rxa3 {KR-KR} 70. g4 {White mates.} Ra5 71. Rb6 Rc5 72. f5 Ra5 73. Kg5 Ra7 74. Re6 Ra4 75. Re7+ Kf8 76. f6 Rb4 77. Rg7 Ra4 78. Kh5 Rf4 79. g5 Ra4 80. Kg6 Ra1 81. Rb7 {[%cal Rb7b8]} Ra8 82. Rh7 {Accuracy: White = 65%, Black = 37%.} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.12"]
[Round "7.40"]
[White "Chudinovskikh, Alexander M"]
[Black "Chaloupka, Frantisek"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2139"]
[BlackElo "1990"]
[Annotator "ChessBase"]
[PlyCount "68"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:01:05]} 2. Nf3 {[%emt 0:00:00]} d6 {[%emt 0:00:13]} 3. Bb5+ {[%emt 0:00:00]} Nd7 {[%emt 0:01:18]} 4. O-O {[%emt 0:00:19]} a6 {[%emt 0:00:05]} 5. Bd3 {[%emt 0:00:21]} g6 {[%emt 0:00:26]} 6. a4 {[%emt 0:00:24]} b6 {[%emt 0:01:18]} 7. c3 {[%emt 0:00:08]} Bg7 {[%emt 0:00:58]} 8. Bc2 {[%emt 0:00:12]} c4 {[%emt 0:10:45]} 9. b3 {[%emt 0:00:29]} cxb3 {[%emt 0:01:52]} 10. Bxb3 {[%emt 0:00:06]} Nc5 {[%emt 0:06:52]} 11. Bc2 {[%emt 0:03:12]} Nf6 {[%emt 0:03:59]} 12. Re1 {[%emt 0:00:08]} O-O {[%emt 0:13:13]} 13. d4 {[%emt 0:00:29]} Ne6 {[%emt 0:00:56]} 14. Nbd2 {[%emt 0:00:40]} Bd7 {[%emt 0:02:23]} 15. Nf1 {[%emt 0:01:30]} b5 {[%emt 0:01:25]} 16. h3 {[%emt 0:00:52]} Qc7 {[%emt 0:02:10]} 17. Bd2 {[%emt 0:00:16]} Rfc8 {[%emt 0:01:21]} 18. axb5 {[%emt 0:02:43]} Bxb5 {[%emt 0:07:00]} 19. Ne3 {[%emt 0:05:58]} Nd7 {[%emt 0:06:13]} 20. Nd5 {[%emt 0:05:53]} Qd8 {[%emt 0:00:24]} 21. Ng5 {[%emt 0:01:50]} Nxg5 22. Bxg5 {[%emt 0:00:07]} f6 {[%emt 0:11:29]} 23. Bd2 {[%emt 0:00:22]} Nb6 {[%emt 0:02:07]} 24. Nxb6 {[%emt 0:08:25]} Qxb6 {[%emt 0:00:15]} 25. Qg4 {[%emt 0:00:17]} Qd8 {[%emt 0:10:38]} 26. Bb3+ {[%emt 0:01:38]} Kh8 {[%emt 0:00:18]} 27. Be6 {[%emt 0:00:54]} Rc7 {[%emt 0:02:01]} 28. Reb1 {[%emt 0:02:29]} Bd7 {[%emt 0:01:09]} 29. Bxd7 {[%emt 0:00:14]} Qxd7 {[%emt 0:00:10]} 30. Rxa6 {[%emt 0:01:11]} Rxa6 {[%emt 0:01:49]} 31. Rb8+ {[%emt 0:00:10]} Bf8 {[%emt 0:00:04]} 32. Bh6 {[%emt 0:00:08]} Ra8 33. Rb1 Bg7 34. Bd2 Rac8 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.12"]
[Round "7.41"]
[White "Vltavsky, Vladimir"]
[Black "Dahl, Fredrik A"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "2212"]
[Annotator "ChessBase"]
[PlyCount "30"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} d6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 4. Nf3 {[%emt 0:00:00]} Bg7 {[%emt 0:00:00]} 5. Be2 {[%emt 0:00:10]} O-O {[%emt 0:00:09]} 6. h3 {[%emt 0:00:15]} c5 {[%emt 0:01:47]} 7. O-O {[%emt 0:02:10]} cxd4 {[%emt 0:01:17]} 8. Nxd4 {[%emt 0:00:07]} Nc6 {[%emt 0:03:17]} 9. Be3 {[%emt 0:01:53]} d5 {[%emt 0:09:02]} 10. exd5 {[%emt 0:01:56]} Nxd5 {[%emt 0:00:30]} 11. Nxd5 {[%emt 0:00:42]} Nxd4 {[%emt 0:06:39]} 12. Bxd4 {[%emt 0:01:35]} Qxd5 {[%emt 0:00:15]} 13. Bxg7 {[%emt 0:00:06]} Qxd1 {[%emt 0:00:04]} 14. Rfxd1 {[%emt 0:00:14]} Kxg7 {[%emt 0:00:05]} 15. Bf3 {[%emt 0:00:50]} Bf5 {[%emt 0:08:01]} 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.12"]
[Round "7.42"]
[White "Johnsen, Sylvia"]
[Black "Cerny, Martin"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1853"]
[BlackElo "2123"]
[Annotator "TA"]
[PlyCount "184"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,184,8,31,3,4,-5,-2,-10,-7,-20,-7,-20,0,-19,8,-3,0,-8,0,0,12,16,3,6,45,15,17,21,29,15,29,-92,-70,-81,-89,-88,-81,-126,-126,-146,-103,-85,-84,-84,-50,-50,-44,-42,-52,-42,-37,-74,-66,-60,-51,-53,-53,-74,-64,-85,-72,-81,-72,-115,-41,-334,-164,-205,-193,-205,-34,-38,0,-216,-172,-160,-94,-171,-85,-151,-10,-10,-10,-10,-10,-32,-32,-32,-32,-32,-32,-32,-32,-32,-32,-32,-32,-32,-26,-26,-26,-26,-26,-26,-10,-10,-10,-10,-10,-175,-183,-185,-185,-199,-192,-2812,-2591,-3443,-2193,-10874,-3629,-2217,-1824,-11875,-11227,-8523,-6460,-2893,-207,-29972,-29972,-29968,-29968,-29966,-29967,-29976,-29960,-29950,-29951,-29977,-29978,-29978,-29971,-29976,-29966,-29967,-29970,-29969,-29968,-29965,-29967,-29968,-29968,-29963,-29967,-29969,-2360,-29967,-29963,-29972,-29971,-29977,-29974,-29978,-29979,-29979,-29980,-29980,-29980,-29980,-29981,-29983,-29984,-29988,-29983,-29983,-29984]} 1. e4 c5 2. Nc3 e6 3. g3 Nc6 4. Bg2 Nge7 5. d3 Nd4 6. Nh3 {B24: Closed Sicilian: 3 g3 sidelines.} g6 7. O-O Bg7 {[#]} 8. Rb1 $146 {The position is equal.} ({Predecessor:} 8. Ne2 d6 9. c3 Nxe2+ 10. Qxe2 O-O 11. Be3 Nc6 12. f4 f5 13. e5 Qc7 14. Qf2 {½-½ (23) Nurbekoglu,M (2013)-Terzic,S (2183) Bayern 2010}) 8... O-O 9. Bg5 h6 10. Be3 Kh7 11. a3 Rb8 12. f4 d6 13. Nf2 Bd7 14. Ne2 d5 15. c3 Nxe2+ 16. Qxe2 d4 17. Bd2 dxc3 18. Bxc3 Bb5 19. Rfc1 Rc8 20. f5 (20. Bxg7 $11 Kxg7 21. b4) 20... Nc6 $17 21. fxg6+ fxg6 22. Bxg7 Kxg7 23. b4 cxb4 $1 24. axb4 Qd4 25. Qb2 Qxb2 26. Rxb2 Ne5 27. Ra1 Nxd3 28. Nxd3 Bxd3 29. e5 Rc7 30. b5 b6 $36 {[%mdl 2048] Black is pushing.} 31. Rb3 Bc2 32. Rba3 Rff7 33. Re3 Rc5 34. Bf1 Bf5 35. Be2 h5 36. h4 Rfc7 (36... Kh6 $17 37. Rea3 Rxe5) 37. Raa3 $2 {[%mdl 8192]} ({White should try} 37. Rea3 $15) 37... Rc2 (37... Rc1+ $142 38. Kf2 R7c2 39. Rxa7+ Kh6) 38. Bf1 Rc1 39. Kf2 R7c2+ $2 (39... Bg4 $19 40. Bd3 Rf7+ 41. Kg2 Rd7) 40. Re2 $1 $15 Rc7 41. Rd2 $2 (41. Ree3 $1 $11 {and White has nothing to worry.}) 41... Be4 {And now ...Rf7+ would win.} 42. Be2 Bd5 (42... R1c5 $142 43. Re3 Rxe5) 43. Rd4 (43. Rd1 $17) 43... Kh6 (43... Rh1 $19 {is more deadly. Threatens to win with ...Rc2.} 44. Ke3 Rh3) 44. Rf4 (44. g4 $142) 44... Bc4 ({Better is} 44... Rb1 $17 {Hoping for ...Rc2.} 45. Ke3 Rg1) 45. Bxc4 $11 R1xc4 46. Rxc4 Rxc4 47. Rxa7 {[%mdl 4096] Endgame KR-KR} Rc5 48. Rb7 Rxb5 49. Kf3 Rxe5 50. Rxb6 Kg7 51. Rb4 Kf6 52. g4 Ra5 53. gxh5 gxh5 54. Kf4 Rf5+ 55. Kg3 Rc5 56. Kf4 Rc3 {aiming for ...Rh3.} 57. Rb5 Rc4+ 58. Kg3 $1 e5 59. Ra5 $2 {White is now going downhill.} (59. Rb8 $1 $11) 59... Rc3+ $1 $19 60. Kg2 {[#]} Kf5 $1 61. Ra4 Rd3 62. Ra8 $2 {[#]} (62. Ra2) 62... Kg4 $1 63. Ra4+ Rd4 64. Ra8 Rd2+ (64... Rf4 $142 65. Re8 e4) 65. Kf1 Rh2 66. Ra4+ Kf3 {[%cal Rh2h1]} 67. Kg1 Rg2+ 68. Kf1 Rb2 $2 (68... Rf2+ 69. Kg1 Rg2+ 70. Kf1 Rg4 71. Ra3+ Kf4) 69. Kg1 $2 (69. Ra3+ $19 Kf4 70. Ra4+ Kf3 71. Ra3+ Kg4 72. Ra5) 69... e4 70. Ra8 Rg2+ 71. Kf1 Rg4 72. Rf8+ Ke3 73. Ra8 Rxh4 74. Kg2 Rg4+ 75. Kf1 Rf4+ 76. Ke1 Rf5 77. Ra3+ Kf4 78. Ke2 Rb5 79. Ra8 Rb2+ 80. Kf1 Kf3 {[%cal Rb2b1]} 81. Rf8+ Ke3 82. Rh8 Rb1+ 83. Kg2 Ke2 {Black mates.} 84. Rxh5 Rb6 85. Re5 e3 86. Re8 Rg6+ 87. Kh2 Kf2 {[%cal Rg6h6]} 88. Rf8+ Ke1 89. Re8 e2 90. Re7 Rg5 91. Re8 Rd5 92. Kg2 Kd2 {Accuracy: White = 65%, Black = 74%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.12"]
[Round "7.43"]
[White "Marsalek, Zdenek"]
[Black "Harstad, Christian"]
[Result "1-0"]
[ECO "E63"]
[WhiteElo "2177"]
[BlackElo "1854"]
[Annotator "ChessBase"]
[PlyCount "73"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:00]} Bg7 {[%emt 0:00:00]} 4. Nf3 {[%emt 0:00:00]} O-O {[%emt 0:00:31]} 5. g3 {[%emt 0:00:07]} d6 {[%emt 0:00:12]} 6. Bg2 {[%emt 0:00:06]} Nc6 {[%emt 0:00:32]} 7. O-O {[%emt 0:00:26]} a6 {[%emt 0:00:38]} 8. h3 {[%emt 0:00:09]} Bd7 {[%emt 0:01:06]} 9. e4 {[%emt 0:01:22]} e5 {[%emt 0:05:05]} 10. Be3 {[%emt 0:03:23]} Qc8 {[%emt 0:03:43]} 11. Kh2 {[%emt 0:00:48]} Nh5 {[%emt 0:03:14]} 12. Rc1 {[%emt 0:02:21]} exd4 {[%emt 0:07:26]} 13. Nxd4 {[%emt 0:01:19]} Re8 {[%emt 0:05:23]} 14. Re1 {[%emt 0:07:19]} Ne5 {[%emt 0:01:39]} 15. Nd5 {[%emt 0:02:14]} Be6 {[%emt 0:12:04]} 16. Rc2 {[%emt 0:06:21]} Qd8 {[%emt 0:05:22]} 17. b3 {[%emt 0:04:29]} c5 {[%emt 0:02:37]} 18. Ne2 {[%emt 0:05:43]} Nc6 {[%emt 0:02:56]} 19. Rd2 {[%emt 0:01:22]} Qa5 {[%emt 0:02:40]} 20. a4 {[%emt 0:04:19]} Rad8 {[%emt 0:05:35]} 21. Bg5 {[%emt 0:02:24]} Rc8 {[%emt 0:08:42]} 22. g4 {[%emt 0:08:03]} h6 {[%emt 0:03:40]} 23. Be3 {[%emt 0:00:32]} Nf6 {[%emt 0:02:33]} 24. Ndf4 {[%emt 0:01:13]} Bxg4 {[%emt 0:03:57]} 25. hxg4 {[%emt 0:00:20]} Nxg4+ {[%emt 0:00:07]} 26. Kg1 {[%emt 0:00:07]} Qd8 {[%emt 0:04:25]} 27. Bxc5 {[%emt 0:05:13]} Qh4 {[%emt 0:00:53]} 28. Bb6 {[%emt 0:00:57]} Qh2+ {[%emt 0:16:48]} 29. Kf1 {[%emt 0:00:24]} g5 {[%emt 0:01:07]} 30. Rd3 {[%emt 0:00:53]} Qh4 {[%emt 0:01:31]} 31. Rh3 {[%emt 0:00:40]} Nh2+ {[%emt 0:00:20]} 32. Kg1 {[%emt 0:01:12]} Qg4 {[%emt 0:00:32]} 33. Nd5 {[%emt 0:04:56]} Be5 {[%emt 0:00:31]} 34. f4 {[%emt 0:00:59]} gxf4 {[%emt 0:00:34]} 35. Rxh2 {[%emt 0:01:12]} f3 {[%emt 0:00:24]} 36. Nef4 {[%emt 0:00:21]} Nd4 {[%emt 0:01:13]} 37. Rh1 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.12"]
[Round "7.44"]
[White "Hagen, Ole Andreas"]
[Black "Zahorbensky, Jaroslav"]
[Result "1-0"]
[ECO "C49"]
[BlackElo "2098"]
[Annotator "ChessBase"]
[PlyCount "63"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:52]} Nf6 {[%emt 0:00:52]} 4. Bb5 {[%emt 0:01:05]} Bb4 5. O-O {[%emt 0:03:34]} O-O {[%emt 0:02:14]} 6. d3 {[%emt 0:02:43]} d6 {[%emt 0:02:44]} 7. h3 {[%emt 0:01:21]} h6 {[%emt 0:10:44]} 8. Be3 {[%emt 0:02:23]} a6 {[%emt 0:01:16]} 9. Ba4 {[%emt 0:01:11]} Be6 {[%emt 0:02:56]} 10. Ne2 {[%emt 0:05:30]} Ba5 {[%emt 0:07:02]} 11. c3 {[%emt 0:03:21]} b5 {[%emt 0:02:38]} 12. Bc2 {[%emt 0:01:38]} d5 {[%emt 0:00:45]} 13. Ng3 {[%emt 0:05:39]} Re8 {[%emt 0:11:01]} 14. d4 {[%emt 0:13:02]} dxe4 {[%emt 0:13:40]} 15. Nxe5 {[%emt 0:10:42]} Bd5 {[%emt 0:03:23]} 16. Ng4 {[%emt 0:04:51]} Re6 {[%emt 0:06:08]} 17. Bb3 {[%emt 0:11:09]} Bb6 {[%emt 0:05:57]} 18. Nxf6+ {[%emt 0:04:00]} Rxf6 {[%emt 0:00:09]} 19. Nh5 {[%emt 0:00:21]} Rd6 {[%emt 0:06:18]} 20. Bxd5 {[%emt 0:14:13]} Rxd5 {[%emt 0:00:03]} 21. Qg4 {[%emt 0:00:20]} g6 {[%emt 0:00:24]} 22. Ng3 {[%emt 0:00:45]} Kh7 {[%emt 0:07:32]} 23. Qf4 {[%emt 0:02:54]} Qf8 {[%emt 0:00:54]} 24. Nxe4 {[%emt 0:01:34]} Rf5 {[%emt 0:00:41]} 25. Qh4 {[%emt 0:00:30]} Qe7 {[%emt 0:08:14]} 26. Qxh6+ {[%emt 0:00:57]} Kg8 {[%emt 0:00:04]} 27. Ng5 {[%emt 0:00:31]} Qf6 {[%emt 0:01:18]} 28. Qh7+ {[%emt 0:00:44]} Kf8 {[%emt 0:00:01]} 29. Ne4 {[%emt 0:00:21]} Qd8 {[%emt 0:00:25]} 30. g4 {[%emt 0:01:51]} Rd5 {[%emt 0:00:34]} 31. Bg5 {[%emt 0:03:57]} f6 {[%emt 0:00:42]} 32. Bh6+ {[%emt 0:00:33]} 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.12"]
[Round "7.45"]
[White "Richtrova, Eliska"]
[Black "Weyrich, Morten"]
[Result "0-1"]
[ECO "C71"]
[WhiteElo "2192"]
[BlackElo "2281"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,80,0,0,-25,-25,-42,-38,-50,-39,-68,-68,-101,-93,-104,-111,-105,-73,-104,-51,-47,-8,-94,-84,-110,-95,-202,-198,-195,-159,-233,-235,-219,-244,-263,-256,-304,-314,-328,-314,-355,-285,-408,-408,-404,-367,-464,-470,-683,-673,-1199,-1147,-5941,-6195,-2331,-1585,-2566,-2379,-2593,-2429]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. d4 b5 6. Bb3 Nxd4 7. Nxd4 exd4 8. Bd5 Rb8 9. Bc6+ Bd7 10. Bxd7+ Qxd7 11. Qxd4 Nf6 12. O-O Be7 13. Nd2 {C71: Ruy Lopez: Deferred Steinitz Variation, sidelines.} O-O {[#]} 14. h3 $146 ({Predecessor:} 14. Nf3 Rfe8 15. Re1 Rbd8 16. Bd2 d5 17. exd5 Nxd5 18. c3 c5 19. Qd3 c4 20. Qc2 Bc5 {0-1 (44) Evans,T-Waters,P Bearsden/Glasgow 1970}) 14... Qc6 15. c3 {Black is slightly better.} Rfe8 16. Re1 Bf8 17. b4 Re6 18. Bb2 Rbe8 {[%cal Rf6e4]} 19. f3 Qb7 20. Qf2 Nd7 ({Black should try} 20... d5 $17 {[%cal Rd5e4]} 21. e5 Rxe5) 21. Nb3 $15 Ne5 {Threatens to win with ...Nd3.} 22. Na5 (22. Rad1 $11) 22... Qc8 $17 {...Nd3 is the strong threat. Black continues to play with concentration.} 23. Rad1 c5 24. f4 (24. c4 $17) 24... Nd7 $19 25. Qf3 c4 26. Re3 {[#]} (26. a4 $17) 26... f5 $1 {[%mdl 512]} 27. Rde1 (27. exf5 Rxe3) 27... Qa8 28. Bc1 fxe4 29. Qd1 Nf6 30. Rg3 Nd5 31. Be3 Nxe3 32. Rexe3 (32. Rgxe3 {was the only defense.} d5 33. Kh1) 32... d5 33. Rg5 Qa7 34. Kf2 {[#]} d4 $1 {[%mdl 512] Black is clearly winning.} 35. cxd4 (35. Qxd4 $142 Qxd4 36. cxd4 Bxb4 37. Nb7) 35... Bxb4 36. d5 Rf6 37. Nc6 Rxf4+ 38. Ke2 Qf7 {[%csl Gf7][%cal Rf4f2]} 39. Qg1 Bc5 40. g3 Rf3 {[%mdl 64] Pin. Accuracy: White = 33%, Black = 78%.} 0-1

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.12"]
[Round "7.46"]
[White "Jeske, Eckhard"]
[Black "Kubikova, Hana"]
[Result "1/2-1/2"]
[ECO "A16"]
[WhiteElo "2158"]
[BlackElo "2064"]
[Annotator "ChessBase"]
[PlyCount "53"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. c4 Nf6 2. Nc3 e5 3. Nf3 d6 4. d4 Nbd7 5. g3 Be7 6. Bg2 c6 7. O-O O-O 8. Qc2 Re8 9. Re1 Qc7 10. e4 Nf8 11. h3 a6 12. Be3 c5 13. d5 Ng6 14. Nd2 Bd7 15. a4 b6 16. Kh2 Qc8 17. Nf3 Rf8 18. Ng1 Ne8 19. Nge2 Qd8 20. Qd2 Rb8 21. Rab1 a5 22. b3 h5 23. f4 f5 24. Rf1 h4 25. fxe5 Nxe5 26. gxh4 Bxh4 27. Nf4 1/2-1/2

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.12"]
[Round "7.47"]
[White "Svobodova, Michaela"]
[Black "Jansen, Andreas"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1988"]
[BlackElo "2206"]
[Annotator "ChessBase"]
[PlyCount "49"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 g6 2. d4 d6 3. Bc4 Bg7 4. Nf3 c6 5. Bb3 Qc7 6. O-O e5 7. c3 Nf6 8. Re1 O-O 9. Bg5 Nbd7 10. Nbd2 Nb6 11. a4 a5 12. h3 Kh8 13. Qc2 Ng8 14. Nc4 Nxc4 15. Bxc4 f5 16. dxe5 dxe5 17. exf5 Bxf5 18. Qb3 Ne7 19. Bh4 Bc8 20. Bg3 Rxf3 21. gxf3 Bxh3 22. Be6 Bf5 23. Rad1 Rd8 24. Qxb7 Rxd1 25. Rxd1 1-0

[Event "WSTCC-50 2020"]
[Site "Prague"]
[Date "2020.03.12"]
[Round "7.48"]
[White "Moritz, Hartmut"]
[Black "Taborska, Veronika"]
[Result "1/2-1/2"]
[ECO "B00"]
[WhiteElo "2088"]
[BlackElo "1995"]
[Annotator "ChessBase"]
[PlyCount "74"]
[EventDate "2020.03.06"]
[EventType "team-tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} d6 {[%emt 0:00:00]} 2. d3 Nf6 {[%emt 0:00:53]} 3. f4 {[%emt 0:01:15]} e5 {[%emt 0:02:04]} 4. Nf3 {[%emt 0:01:23]} Nc6 {[%emt 0:00:51]} 5. c3 {[%emt 0:06:42]} Bg4 {[%emt 0:06:34]} 6. Be2 {[%emt 0:02:07]} g6 {[%emt 0:03:06]} 7. O-O {[%emt 0:07:06]} Bg7 {[%emt 0:03:54]} 8. Na3 {[%emt 0:02:27]} Qe7 {[%emt 0:06:18]} 9. h3 {[%emt 0:14:06]} Bd7 {[%emt 0:04:30]} 10. Be3 {[%emt 0:12:13]} exf4 {[%emt 0:05:09]} 11. Bxf4 {[%emt 0:00:17]} Nh5 {[%emt 0:01:24]} 12. Bh2 {[%emt 0:03:30]} O-O-O {[%emt 0:02:20]} 13. Nc2 {[%emt 0:05:01]} Nf6 {[%emt 0:22:08]} 14. b4 {[%emt 0:06:31]} h5 {[%emt 0:04:25]} 15. b5 {[%emt 0:04:50]} Ne5 {[%emt 0:00:40]} 16. d4 {[%emt 0:03:31]} Nxf3+ {[%emt 0:01:38]} 17. Bxf3 {[%emt 0:03:54]} g5 {[%emt 0:08:38]} 18. e5 {[%emt 0:02:46]} dxe5 {[%emt 0:02:07]} 19. dxe5 {[%emt 0:04:01]} Nh7 20. Qd5 {[%emt 0:01:26]} Bc6 {[%emt 0:04:47]} 21. Qc4 Bxf3 {[%emt 0:02:39]} 22. Rxf3 {[%emt 0:01:03]} Rhf8 {[%emt 0:03:30]} 23. Re1 {[%emt 0:02:41]} Qe6 {[%emt 0:01:02]} 24. Qc5 Qb6 {[%emt 0:01:40]} 25. Qxb6 {[%emt 0:04:24]} axb6 {[%emt 0:02:29]} 26. Nd4 {[%emt 0:01:38]} Rde8 {[%emt 0:01:17]} 27. Rf5 f6 28. e6 {[%emt 0:00:46]} Rg8 {[%emt 0:03:07]} 29. Rd5 {[%emt 0:01:02]} g4 {[%emt 0:00:53]} 30. Rd7 {[%emt 0:02:28]} g3 {[%emt 0:03:14]} 31. Bxg3 {[%emt 0:00:21]} Bf8 {[%emt 0:00:24]} 32. Rxc7+ {[%emt 0:00:36]} Kd8 {[%emt 0:00:16]} 33. Rd7+ {[%emt 0:04:18]} Kc8 {[%emt 0:00:12]} 34. Bf4 {[%emt 0:00:35]} Ng5 {[%emt 0:00:18]} 35. Rc7+ {[%emt 0:00:58]} Kd8 {[%emt 0:00:22]} 36. h4 {[%emt 0:00:48]} Nh3+ {[%emt 0:00:13]} 37. Kf1 {[%emt 0:00:55]} Nxf4 1/2-1/2

