[Event "Match Czechia vs Poland 2020"]
[Site "Zlin"]
[Date "2020.09.14"]
[Round "1.1"]
[White "Piorun, Kacper"]
[Black "Nguyen, Thai Dai Van"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2596"]
[BlackElo "2569"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2020.09.14"]
[EventType "schev"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[WhiteTeam "Poland"]
[BlackTeam "Czech Republic"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "CZE"]

{[%evp 16,90,0,11,22,0,5,0,0,-7,0,-11,0,-21,-30,-32,-21,-23,-33,-33,-30,-22,-23,-22,-11,-28,-19,-20,-26,-27,-8,-68,-68,-72,-72,-170,-166,-160,-31,-35,-33,-28,-28,-28,-31,-34,-23,-23,-23,-25,-24,-24,-24,-24,-24,-24,-24,-28,-28,-28,-28,-30,-28,-28,-28,-32,-20,-20,-20,-20,-20,-20,-20,-20,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. O-O Nbd7 8. Qc2 c6 9. Rd1 a5 {E11: Bogo-Indian.} 10. b3 b5 11. Bg5 Ba6 {[%cal Rb5c4]} 12. Nbd2 bxc4 13. bxc4 Rc8 14. Bxf6 Nxf6 {[#]} 15. e3 $146 ({Predecessor:} 15. Qa4 c5 16. Rac1 cxd4 17. Nxd4 Bb4 18. N4f3 Qe7 19. Bf1 Nd7 20. e3 Nb6 21. Qb3 dxc4 22. Bxc4 {0-1 (38) Palozza,C (2237)-Haug,J (2403) Lisbon 2019}) 15... c5 16. Qa4 $1 cxd4 17. Nxd4 Bb4 18. cxd5 $1 Nxd5 19. Ne4 Qe8 (19... Nb6 {looks sharper.} 20. Qb3 Bc4 21. Qb1 Nd5 22. a3 Be7) 20. Qxe8 Rfxe8 21. a3 Bf8 22. Rdb1 a4 23. Nb5 ({White should play} 23. Nd6 $11) 23... Red8 $15 24. Bf1 h6 25. Rc1 (25. g4 $17) 25... Rxc1 $19 26. Rxc1 f5 (26... Bxb5 $1 $17 27. Bxb5 Bxa3) 27. Nec3 $15 Rc8 {[#] White must now prevent ...Bxb5.} 28. Ne2 Rxc1 29. Nxc1 Kf7 30. Na2 Bc8 31. Nac3 Nb6 32. Bd3 Bd7 33. Bc2 g5 34. Nxa4 Bxb5 35. Nxb6 Bxa3 $11 {[%mdl 4096] Endgame KBB-KBN} 36. Na4 Kf6 37. Nc3 Bc6 38. f4 Bc5 39. Kf2 e5 {...exf4 is the strong threat.} 40. Ne2 Bb5 41. fxe5+ {The position is equal.} Kxe5 {[#]} 42. Nd4 $1 {[%mdl 512]} Bd7 (42... Bxd4 43. exd4+) 43. Nf3+ Kf6 {Strongly threatening ...f4.} 44. Ke2 h5 45. h4 g4 {Accuracy: White = 90%, Black = 92%.} 1/2-1/2

[Event "Match Czechia vs Poland 2020"]
[Site "Zlin"]
[Date "2020.09.14"]
[Round "1.2"]
[White "Kriebel, Tadeas"]
[Black "Nasuta, Grzegorz"]
[Result "1/2-1/2"]
[ECO "C89"]
[WhiteElo "2519"]
[BlackElo "2553"]
[Annotator "TA"]
[PlyCount "121"]
[EventDate "2020.09.14"]
[EventType "schev"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[WhiteTeam "Czech Republic"]
[BlackTeam "Poland"]
[WhiteTeamCountry "CZE"]
[BlackTeamCountry "POL"]

{[%evp 26,121,16,18,28,37,25,33,39,26,30,45,40,41,31,38,32,31,37,43,42,43,36,32,31,37,32,38,39,52,35,19,11,20,12,18,22,16,18,0,10,5,18,0,0,0,0,0,0,0,0,-17,-17,-29,-34,-33,-12,-12,-12,-12,-12,-12,-12,-12,-12,-14,-29,-29,-4,-15,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. d3 Bd6 13. Re1 Bf5 $1 {13...Bf5 is better than 13...Qh4.} 14. Qf3 Re8 {C89: Closed Ruy Lopez: Marshall Attack.} 15. Rxe8+ Qxe8 {[%cal Re8e1]} 16. Nd2 Qe1+ {White is slightly better.} 17. Nf1 Bg6 18. g3 b4 19. c4 Nf6 {Strongly threatening ...Bc5.} 20. Qxc6 {[%mdl 64] [#] Double Attack} Rd8 21. Qb6 Rd7 22. Bc2 Ng4 23. Rb1 {Be3 is the strong threat.} Qe2 24. Bd2 Ne5 $5 {[%mdl 4] Leaves trodden paths.} 25. Qe3 ({Avoid the trap} 25. Bxb4 $2 Nf3+ 26. Kg2 Qxc2 $19) ({Don't go for} 25. Qxa6 $2 Bf8 $17) 25... Qh5 26. Bd1 Qf5 $1 27. Be2 {And now Re1 would win.} f6 28. b3 Bc5 $1 {[%cal Rc5e3]} 29. Qf4 Qxf4 30. Bxf4 Nxd3 {[#]} 31. Be3 $146 ({Predecessor:} 31. Bxd3 Rxd3 32. Re1 Kf7 33. Be3 Bd6 34. Bb6 Be5 35. Bc5 a5 36. f4 Bd6 37. Bxd6 Rxd6 {1-0 (48) Saric,I (2650)-Matlakov,M (2693) Gjakova 2016}) 31... Bxe3 $1 32. Nxe3 Nxf2 $1 33. Re1 Ne4 34. Bf3 Nc5 35. Nd5 a5 36. Bg4 Ra7 37. Rd1 Be4 38. Nb6 f5 39. Be2 Kf7 40. Kf2 $1 Ke6 41. Bf3 a4 42. Nxa4 Nxa4 43. bxa4 Bxf3 44. Kxf3 Rxa4 $11 {[%mdl 4096] Endgame Threatening ...Ra3+. KR-KR} 45. Rd2 Ra3+ 46. Kf4 Rc3 47. Rd4 {The position is equal.} h6 {[%csl Gh6][%cal Rg7g5]} 48. h4 g5+ {[%mdl 64] [#] Decoy} 49. hxg5 hxg5+ 50. Kxg5 Rxg3+ 51. Kf4 Rg4+ 52. Ke3 Rxd4 53. Kxd4 {KPP-KPP} Kd6 54. c5+ Kc6 55. Ke5 Kxc5 56. Kxf5 {KP-KP} Kd5 (56... Kb5 $5 {[%cal Rb5a4]} 57. Ke6 Kc5 $11) 57. Kf6 $1 Kd4 58. Ke6 Kc3 59. Kd5 Kb2 60. Kc4 Kxa2 {( -> ...b3)} 61. Kxb4 {Accuracy: White = 100%, Black = 100%.} 1/2-1/2

[Event "Match Czechia vs Poland 2020"]
[Site "Zlin"]
[Date "2020.09.14"]
[Round "1.3"]
[White "Krejci, Jan"]
[Black "Sadzikowski, Daniel"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "2543"]
[BlackElo "2527"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2020.09.14"]
[EventType "schev"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[WhiteTeam "Czech Republic"]
[BlackTeam "Poland"]
[WhiteTeamCountry "CZE"]
[BlackTeamCountry "POL"]

{[%evp 15,80,18,12,12,20,18,20,14,25,0,0,0,0,10,16,0,10,-13,6,-2,-10,-17,0,-12,-16,-40,-40,-39,-25,-45,-22,-31,-42,-35,-14,-9,-10,-12,0,0,0,0,0,-17,-11,-22,-22,-22,-20,-20,-20,-20,-20,-20,-20,-20,-20,-20,-20,-89,-91,-91,-6,-6,-5,-5,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. e3 Be7 7. Bd3 Nbd7 {[%cal Bb8d7,Bd7f8,Bf8e6][%mdl 32]} 8. Nge2 Nf8 {is the new trend.} 9. O-O {D35: Queen's Gambit Declined: Exchange Variation.} Ne6 10. Bh4 O-O 11. f3 g6 12. Kh1 b6 13. Bf2 {[#]} Bb7 $146 ({Predecessor:} 13... c5 14. Qd2 Bb7 15. Rad1 a6 16. Bc2 Re8 17. Rfe1 Rc8 18. dxc5 bxc5 19. Ba4 Rf8 {1-0 (39) Cheparinov,I (2666)-Wang,H (2725) Changsha 2019}) 14. Qd2 Rc8 15. Rae1 c5 16. a3 cxd4 17. exd4 Ne8 18. Be3 Nd6 19. Nf4 Nc7 20. Qf2 Bh4 21. g3 Bf6 22. h4 Qd7 23. g4 Rfe8 24. Kg2 Nc4 25. Bc1 Rxe1 26. Rxe1 Bg7 27. h5 {[%cal Rh5g6]} Re8 28. Rxe8+ Qxe8 29. hxg6 hxg6 30. b3 Na5 31. b4 Nc4 32. Ncxd5 {[%mdl 64] [#] Remove Defender} Nxd5 33. Bxc4 Nxf4+ 34. Bxf4 {Threatening d5.} Qc8 35. Qe2 $1 Qxg4+ 36. Bg3 {Qe8+ is the strong threat.} Qd7 37. d5 (37. Qd3 $11) 37... Bxd5 $17 38. Qd3 {[#]} Be6 (38... Bd4 $1 $17 {[%mdl 512]} 39. Bxd5 (39. Qxd4 Bxf3+) 39... Qxd5) 39. Qxd7 $11 Bxd7 40. b5 $1 Bb2 {Accuracy: White = 91%, Black = 92%.} 1/2-1/2

[Event "Match Czechia vs Poland 2020"]
[Site "Zlin"]
[Date "2020.09.14"]
[Round "1.4"]
[White "Janik, Igor"]
[Black "Stocek, Jiri"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "2470"]
[BlackElo "2595"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2020.09.14"]
[EventType "schev"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[WhiteTeam "Poland"]
[BlackTeam "Czech Republic"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "CZE"]

{[%evp 9,86,8,12,4,5,11,35,25,35,37,48,42,40,50,71,39,61,56,71,60,52,44,89,93,81,98,92,91,96,101,80,72,98,60,48,75,58,15,93,27,94,89,93,25,30,35,30,37,55,29,100,93,371,362,331,170,187,154,121,50,87,0,660,333,401,361,262,170,215,0,0,0,0,0,0,-61,-56,-637,-634]} 1. c4 e5 2. Nc3 Bb4 3. Nd5 a5 4. a3 Bc5 5. Nf3 d6 6. d4 {A21: English Opening: 1...e5 2 Nc3.} exd4 7. Nxd4 {Threatening Nb5.} c6 8. Nc3 $1 {White is slightly better.} (8. Ne3 Nf6 $15) 8... Nf6 9. Bg5 {[#]} Nbd7 $146 ({Predecessor:} 9... h6 10. Bh4 O-O 11. e3 Re8 12. Be2 g5 13. Bg3 d5 14. cxd5 cxd5 15. Ndb5 Na6 {1-0 (31) Ehlvest,J (2614)-Estrada Nieto,J (2332) Sao Paulo 2009}) 10. e3 h6 11. Bh4 Ne5 12. Be2 Qe7 13. O-O g5 14. Bg3 h5 15. h4 Nfg4 16. hxg5 Qxg5 17. Ne4 Qg6 18. Nxc5 dxc5 19. Nf3 $1 Nxf3+ 20. Bxf3 h4 21. Bc7 {[%csl Gc7][%cal Rd1d8]} O-O 22. Qd6 f6 23. Qxc5 Rf7 (23... h3 $11 24. Rfd1 Be6) 24. Rfd1 (24. Bxa5 $2 Ne5 $19) (24. Rad1 $1 $16 {[%cal Rd1d8] Rd8+ is the strong threat.} Be6 25. Rd4) 24... Bf5 (24... Be6 $11 {remains equal.}) 25. Bf4 $16 (25. Bxa5 $2 Ne5 $19) 25... h3 26. Rd2 (26. Rd4 $1 $16) 26... Re8 27. Rad1 $36 {[%mdl 2048] Strongly threatening Rd8. White has good play.} (27. Qxa5 Ne5 $17) 27... Ne5 28. Bxe5 $1 Rxe5 29. Rd8+ Kh7 {[#]} (29... Kg7 $11 {keeps the balance.} 30. Qa7 (30. Qd4 Be4 $17) 30... hxg2) 30. Qd6 $1 {[%cal Rd6b8] aiming for Qb8.} ({And not} 30. Qd4 Be4 $17) 30... Be4 $2 {[%mdl 8192] [#]} (30... Bg4 $16 {was called for.} 31. Qd3 Qxd3 32. R1xd3 (32. R8xd3 Bxf3 33. gxf3 Rg5+ 34. Kh2 Rfg7 $16) 32... Bxf3 33. gxf3 Rg5+ 34. Kh2 Rg2+ 35. Kxh3 Rxf2) 31. Qb8 $1 $18 {Threatening mate with Rh8+.} Qg7 {Threatens to win with ...Bxf3.} 32. Qxe5 (32. Bxe4+ $142 Rxe4 33. g3) 32... fxe5 33. Bxe4+ Kh6 34. R1d6+ (34. g3 $16) 34... Rf6 $14 35. R8d7 ({White should try} 35. R6d7 $16 Rf7 36. Rd6+ Rf6 37. g3 Rxd6 38. Rxd6+ Kh5 39. Re6) 35... Qf8 $2 {[%mdl 8192]} (35... Rxd6 $11 36. Rxd6+ Kh5) 36. c5 {Hoping for Rxf6+.} Kg5 37. gxh3 Qg8 38. Rd8 ({Don't take} 38. Rxb7 $6 Rxd6 39. cxd6 Kf6+ 40. Kh2 Qc4 $16) 38... Qg7 39. Rxf6 $2 (39. Rd1 $18 {Black must now prevent Kh1.} Kh5+ 40. Kh1) 39... Kxf6+ $11 40. Kf1 Qf7 41. Kg2 Qc4 42. Bd3 ({Better is} 42. Rd6+ $11 Ke7 43. Bf5) 42... Qxc5 $15 {And now ...Ke7 would win.} 43. h4 $2 {[%mdl 8192]} (43. Be4 $15) 43... Ke7 {Accuracy: White = 56%, Black = 62%.} 0-1

[Event "Match Czechia vs Poland 2020"]
[Site "Zlin"]
[Date "2020.09.14"]
[Round "1.5"]
[White "Teclaf, Pawel"]
[Black "Babula, Vlastimil"]
[Result "1/2-1/2"]
[ECO "B81"]
[WhiteElo "2464"]
[BlackElo "2571"]
[Annotator "TA"]
[PlyCount "135"]
[EventDate "2020.09.14"]
[EventType "schev"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[WhiteTeam "Poland"]
[BlackTeam "Czech Republic"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "CZE"]

{[%evp 24,135,58,0,35,25,39,27,27,24,66,54,50,25,37,14,9,10,43,45,55,14,42,0,0,0,7,6,59,67,306,18,5,0,0,0,6,0,6,0,0,0,0,1,61,60,60,59,76,70,70,70,70,64,64,64,64,64,64,58,58,58,70,58,58,58,51,51,51,53,85,85,85,62,85,70,85,50,85,56,58,57,58,59,59,69,74,50,50,52,57,57,58,58,57,58,58,58,59,59,59,8,66,73,85,73,73,8,8,8,8,8,8,8]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g4 h6 7. g5 hxg5 8. Bxg5 Nc6 9. Qd2 a6 10. O-O-O Bd7 11. h4 Qb6 12. Nb3 Qc7 13. Bg2 (13. Be2 $14) 13... O-O-O {B81: Sicilian Scheveningen: Keres Attack.} 14. Qe2 Kb8 15. f4 Be7 {White has an edge.} 16. h5 {[#]} Nh7 $146 ({Predecessor:} 16... Ng8 17. Nd4 Bf6 18. Nf3 Nge7 19. Bxf6 gxf6 20. Qd2 Rh6 21. Qxd6 Qxd6 22. Rxd6 Kc7 23. e5 Rdh8 {0-1 (48) Polgar,J (2630)-Salov,V (2710) Buenos Aires 1994}) 17. Bxe7 Nxe7 18. Qg4 Rdg8 19. Qh4 Nf6 20. Qg5 Nc6 21. Bf3 Ne8 22. Rhg1 Bc8 (22... g6 $5) 23. e5 dxe5 24. Bxc6 $1 Qxc6 25. fxe5 Qf3 (25... f6 $11 26. exf6 Nxf6) 26. h6 $14 Qf5 $2 {[#]} (26... Qh3 $14) 27. Qxf5 $2 ({Weaker is} 27. hxg7 Rxg7 28. Qxf5 exf5 $11) (27. Qe3 $1 $18) 27... exf5 $11 28. Nd5 {Black must now prevent Ne7.} Rxh6 29. Ne7 Rgh8 30. Rd8 $36 {[%mdl 2048] White is pushing.} Nc7 31. Rxc8+ Rxc8 32. Nxc8 Kxc8 33. Rxg7 {[%mdl 4096] Endgame KRN-KRN} Re6 (33... Rh1+ $11 34. Kd2 Rh2+ 35. Kc3 Nb5+ 36. Kd3 Rh3+ 37. Kc4 Rh4+ 38. Kd3 Rh3+ 39. Kc4 Rh4+ 40. Kc5 Re4) 34. Rxf7 Rxe5 35. Nd4 f4 36. Rf8+ Kd7 37. Rxf4 Ne6 38. Rf7+ (38. Nxe6 {is interesting.} Rxe6 39. b4 b5 40. Kb2 Kc6 41. Kb3) 38... Ke8 39. Nf3 Kxf7 40. Nxe5+ $14 {KN-KN} Ke7 41. Kd2 Kd6 42. Nd3 Nd4 43. c4 a5 44. Nc1 b6 45. Kc3 Ne6 46. Nb3 Kc7 47. Nd4 Nc5 48. Kd2 Nd7 49. b3 Kd6 50. Kd3 Kc5 51. Kc3 Nf6 52. Ne6+ Kd6 53. Nf4 Ne4+ 54. Kd4 Nc5 55. Nd3 {Hoping for Nxc5.} Ne6+ 56. Ke4 Ng5+ 57. Ke3 Ne6 58. a3 {[%cal Ba2a3,Ba3b4][%mdl 32]} Kc6 59. Ke4 Kd6 60. b4 axb4 61. axb4 Ng5+ 62. Ke3 ({White should try} 62. Kd4 $14) 62... Ne6 (62... b5 $1 $11) 63. Nf4 {And now Nxe6 would win.} Nd8 64. Ke4 Nc6 {[#]} 65. Nd5 ({White should play} 65. b5 $1 $16 {[%cal Rb5c6]} Ne5 66. Kd4) 65... Nxb4 $11 {The position is equal.} 66. Nxb4 Kc5 67. Nd5 {Nxb6! would kill now.} Kxc4 68. Nxb6+ {Accuracy: White = 78%, Black = 75%.} 1/2-1/2

[Event "Match Czechia vs Poland 2020"]
[Site "Zlin"]
[Date "2020.09.15"]
[Round "2.1"]
[White "Piorun, Kacper"]
[Black "Krejci, Jan"]
[Result "1/2-1/2"]
[ECO "C43"]
[WhiteElo "2596"]
[BlackElo "2543"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2020.09.14"]
[EventType "schev"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[WhiteTeam "Poland"]
[BlackTeam "Czech Republic"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "CZE"]

{[%evp 15,43,10,39,37,39,34,36,36,43,0,0,8,7,0,13,0,0,0,0,0,0,0,0,-7,0,-13,0,-18,-4,-5]} 1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 d5 5. Nxe5 Nd7 6. Nxd7 Bxd7 7. O-O Bd6 8. Qh5 O-O 9. Qxd5 {C43: Petroff Defence: 3 d4.} Bc6 10. Qh5 g6 11. Qh3 {White is slightly better.} Ng5 12. Qg4 Ne6 $1 {The position is equal.} 13. Bh6 Re8 14. Nd2 {[%cal Bb1d2,Bd2c4,Bc4e5][%mdl 32] [#]} Qf6 $146 ({Predecessor:} 14... Nxd4 15. Rad1 Bf8 16. Bxf8 Kxf8 17. c3 Ne6 18. Be4 Bxe4 19. Qxe4 b6 20. Qe5 Ng7 21. Qf4 {½-½ (21) Fernandez,J (2407)-Mackintosh,I (2394) ICCF email 2018}) 15. Rae1 Qxd4 16. Qxd4 Nxd4 17. Nc4 Bf8 18. Bxf8 {[#] aiming for Bc5.} Kxf8 19. Ne5 Rad8 20. f4 Bb5 21. c4 Bd7 22. Nxd7+ {Black took control after the opening. Accuracy: White = 91%, Black = 100%.} 1/2-1/2

[Event "Match Czechia vs Poland 2020"]
[Site "Zlin"]
[Date "2020.09.15"]
[Round "2.2"]
[White "Nasuta, Grzegorz"]
[Black "Nguyen, Thai Dai Van"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "2553"]
[BlackElo "2569"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2020.09.14"]
[EventType "schev"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[WhiteTeam "Poland"]
[BlackTeam "Czech Republic"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "CZE"]

{[%evp 23,56,6,10,0,10,0,0,0,6,7,7,0,0,0,41,39,25,41,41,38,42,23,27,32,43,33,35,8,8,8,8,8,8,6,8]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 9. Nd5 Be7 10. Bxf6 Bxf6 11. c4 b4 12. Nc2 a5 13. g3 {B33: Sicilian: Pelikan and Sveshnikov Variations.} O-O 14. h4 Be6 15. Bg2 g6 16. O-O Bg7 {[#]} 17. Qe2 $146 ({Predecessor:} 17. Qd2 h5 18. Rad1 Qb8 19. b3 Qb7 20. Kh1 a4 21. Ndxb4 axb3 22. axb3 Nxb4 23. Qxb4 Qxb4 24. Nxb4 {½-½ (30) Sanal,V (2569)-Alekseenko,K (2704) Caleta 2020}) 17... Qb8 18. b3 Bxd5 19. cxd5 Nd4 20. Nxd4 exd4 21. Rac1 Rc8 22. Rc6 Rxc6 23. dxc6 Qb6 $1 24. Rc1 Rc8 25. Qc4 (25. e5 $5 dxe5 26. h5 $11) 25... Bh6 $1 {[%cal Rh6c1] The position is equal.} 26. Rc2 {[#] aiming for e5!} d3 $1 {[%cal Rd3c2]} 27. Qxd3 {e5 is the strong threat.} Rxc6 28. Bf1 Bg7 {Accuracy: White = 92%, Black = 93%.} 1/2-1/2

[Event "Match Czechia vs Poland 2020"]
[Site "Zlin"]
[Date "2020.09.15"]
[Round "2.3"]
[White "Sadzikowski, Daniel"]
[Black "Stocek, Jiri"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2527"]
[BlackElo "2595"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2020.09.14"]
[EventType "schev"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[WhiteTeam "Poland"]
[BlackTeam "Czech Republic"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "CZE"]

{[%evp 10,94,26,26,22,22,33,20,29,20,25,23,22,11,20,21,49,54,46,47,41,37,45,47,53,52,52,51,72,74,68,23,33,33,45,43,39,21,18,18,41,28,22,22,22,37,47,0,3,6,7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 a5 5. a3 Bxd2+ 6. Qxd2 b6 {E11: Bogo-Indian.} 7. Nc3 Bb7 8. Qf4 d5 9. cxd5 Nxd5 10. Nxd5 Qxd5 {[#]} 11. Rc1 $146 ({Predecessor:} 11. Qe5 Qxe5 12. Nxe5 Nd7 13. Nxd7 Kxd7 14. e3 Rhc8 15. Rc1 Rab8 16. Bb5+ c6 17. Ba4 Ke7 {½-½ (17) Matsenko,S (2534)-Paichadze,L (2544) Izmir 2016}) 11... Na6 12. e3 O-O 13. Bc4 $36 {[%mdl 2048] White has some pressure.} Qd6 14. Qxd6 cxd6 15. Ke2 Rfc8 16. Bd3 Kf8 17. Nd2 ({But not} 17. Bxh7 g6 $17) 17... g6 18. h4 h5 19. f3 Ke7 20. Ne4 Nc7 21. Rc2 e5 22. Rhc1 Ne6 23. Nc3 Rd8 24. Nb5 Rab8 25. Nc7 exd4 26. Nxe6 Kxe6 27. exd4 b5 28. b4 axb4 {The position is equal.} 29. axb4 Bd5 30. Rc7 Ra8 31. Bxb5 Ra2+ 32. R1c2 Rxc2+ 33. Rxc2 $11 {[%mdl 4096] Endgame KRB-KRB} Rb8 34. Bd3 Rxb4 35. Ke3 $1 Rb3 36. Kd2 Ra3 37. Rc8 Ra2+ 38. Rc2 Ra4 39. Ke3 Ra1 40. Be4 Re1+ 41. Re2 Rh1 42. g3 Rd1 43. Bc2 Ra1 44. Kf4+ Kf6 45. Be4 Bc4 46. Rd2 d5 47. Bd3 Bxd3 {Accuracy: White = 93%, Black = 97%.} 1/2-1/2

[Event "Match Czechia vs Poland 2020"]
[Site "Zlin"]
[Date "2020.09.15"]
[Round "2.4"]
[White "Babula, Vlastimil"]
[Black "Janik, Igor"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "2571"]
[BlackElo "2470"]
[Annotator "TA"]
[PlyCount "153"]
[EventDate "2020.09.14"]
[EventType "schev"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[WhiteTeam "Czech Republic"]
[BlackTeam "Poland"]
[WhiteTeamCountry "CZE"]
[BlackTeamCountry "POL"]

{[%evp 9,153,-7,-3,-20,-14,-6,0,0,0,-6,0,-6,-4,-12,16,0,25,37,29,27,38,39,43,12,47,20,31,0,0,7,11,-32,31,20,22,33,23,14,31,19,19,19,26,28,96,114,122,127,114,86,202,187,215,195,196,166,157,162,163,168,166,159,199,149,147,159,173,172,148,169,146,151,424,428,690,690,690,689,688,688,685,625,610,512,512,512,520,512,610,520,520,520,520,520,520,520,512,512,553,512,512,512,512,512,553,553,553,553,908,553,553,553,553,553,5414,5085,29955,5408,5535,0,0,0,5106,5081,29972,29971,5447,1969,29980,29981,29981,29982,29982,29983,29983,29984,29984,29983,29983,0,29983,0,29983,29984,29989,29989]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Bg5 Bb4+ 5. Nbd2 dxc4 6. e3 {D30: Queen's Gambit Declined: Systems without Nc3.} b5 7. Be2 c6 8. O-O {The position is equal.} a5 9. b3 cxb3 $1 10. Nxb3 Nbd7 11. Qc2 Qb6 {[#]} 12. Rfc1 $146 ({Predecessor:} 12. Rac1 a4 13. Nc5 Ba3 14. Nxd7 Bxd7 15. Rb1 Bc8 16. Ne5 Bb7 17. Nc4 Qd8 18. Nxa3 O-O 19. Qc5 Qb8 20. Bxf6 gxf6 21. Bf3 {1-0 (21) Suleymenov,A (2420)-Efremov,V (2165) Voronezh 2019}) 12... a4 13. Nbd2 {[%cal Bb3d2,Bd2c4,Bc4e5][%mdl 32]} Bb7 14. Rab1 Qa5 15. Qb2 {[%mdl 1024] White has compensation.} Be7 16. Nc4 a3 17. Qa1 Qd8 18. Nce5 Rc8 19. Rc2 O-O 20. Rbc1 {[%cal Re5c6]} Nb8 (20... b4 $15) 21. Nd2 $14 h6 22. Bxf6 Bxf6 23. Ne4 Be7 24. Nc5 Bxc5 25. Rxc5 Na6 26. R5c3 c5 (26... Qd6 $11) 27. dxc5 $16 Bxg2 {[%mdl 64] Decoy} 28. Kxg2 {Black must now prevent Nf3.} Qg5+ 29. Ng4 {And now f4 would win.} h5 (29... f5 $16 {was called for.}) 30. Rxa3 $18 Nc7 31. Qe5 Qg6 32. Qxh5 {[%mdl 64] Decoy} Qxh5 {[#]} 33. Nf6+ $1 {[%mdl 576] Discovered Attack} gxf6 34. Bxh5 Rfd8 35. Rc2 b4 36. Rb3 Na6 37. c6 Rd6 38. Bf3 f5 39. a3 bxa3 40. Rxa3 Nb4 $2 {[#]} (40... Nc7 $16 41. Ra7 Kg7) 41. c7 $1 {aiming for Ra8.} Nxc2 (41... Na6 $142 42. Rxa6 Rxa6) 42. Ra8 Nxe3+ {[#]} 43. Kh3 $1 ({Don't blunder} 43. fxe3 $2 Rd2+ 44. Kg3 Rxa8 $19) 43... Rxa8 44. Bxa8 Ng4 {Strongly threatening ...Rd3+.} 45. c8=Q+ Kg7 46. Qc5 Rd8 47. Bg2 Kg6 48. Kg3 Rd2 49. f4 Rd3+ 50. Kh4 Rd8 51. h3 Nf6 52. Bf3 {Hoping for Qg1+.} Rh8+ 53. Kg3 Rb8 54. Qg1 Kh7 {[#] intending ...Rg8+.} 55. Qa7 $1 Rg8+ 56. Kf2 Kg7 57. Ke2 Rc8 58. Qg1+ Kf8 59. Qd4 Kg7 60. h4 Rc2+ 61. Kd3 Ra2 62. h5 Ra3+ 63. Ke2 Ra2+ 64. Kd3 Ra3+ 65. Ke2 Ra2+ $1 66. Ke1 Ra5 67. Qg1+ Kh7 {[#]} 68. h6 $1 {[%csl Gh6][%cal Rg1g7]} Ng4 (68... Kxh6 69. Qg5+) 69. Bxg4 fxg4 {[%mdl 4096] Endgame KQ-KR} 70. Qd4 {[%csl Gh6][%cal Rd4g7]} Kxh6 71. Qf6+ Kh5 72. Qxf7+ Kh4 73. Qf6+ Kh5 74. Qf7+ Kh4 75. Qf6+ Kh5 76. Qxe6 Ra3 77. Qe5+ {Accuracy: White = 83%, Black = 59%.} 1-0

[Event "Match Czechia vs Poland 2020"]
[Site "Zlin"]
[Date "2020.09.15"]
[Round "2.5"]
[White "Kriebel, Tadeas"]
[Black "Teclaf, Pawel"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2519"]
[BlackElo "2464"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2020.09.14"]
[EventType "schev"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[WhiteTeam "Czech Republic"]
[BlackTeam "Poland"]
[WhiteTeamCountry "CZE"]
[BlackTeamCountry "POL"]

{[%evp 16,93,15,12,32,27,52,11,18,0,11,14,32,14,14,0,31,19,48,54,111,125,197,200,188,198,187,192,208,195,235,221,239,160,273,137,138,136,127,134,129,131,138,132,152,143,183,186,173,166,193,182,195,195,188,186,292,244,489,250,451,255,369,352,612,329,323,0,630,629,706,704,664,655,811,783,1667,1570,1571,1474]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Be7 7. Be3 O-O 8. Qd2 Nc6 9. dxc5 Qa5 {C11: French: Classical System: 4 e5 and 4 Bg5 dxe4.} 10. a3 $1 {[%mdl 4] outshines the older 10.0-0-0.} a6 {[#]} 11. h4 $146 ({Predecessor:} 11. O-O-O b6 12. cxb6 Bxa3 13. Nb1 Bb4 14. c3 Nc5 15. Qc2 Bd7 16. Kd2 Ne4+ 17. Ke1 {0-1 (26) Cernousek,L (2458)-Papp,G (2587) Slovakia 2019}) 11... Bxc5 {The position is equal.} 12. h5 b5 13. Bxc5 Nxc5 14. Nd4 (14. h6 $5 {[%cal Rh6g7]} g6 15. Nd4 Nxd4 16. Qxd4 $11) 14... Nxd4 15. Qxd4 Ne4 16. Rh3 f5 17. exf6 Rxf6 {[#]} ({Black should play} 17... Nxf6 $14 18. h6 g6) 18. O-O-O $1 $16 Bb7 (18... Nxc3 $16 19. Rxc3 Qd8) 19. Nxe4 $18 dxe4 20. Rc3 Bd5 ({Avoid the trap} 20... Rxf4 $2 21. b4 $18) 21. g3 Qd8 22. Bg2 Rh6 23. Bxe4 Rxh5 24. Rc5 {Threatens to win with f5.} Rc8 (24... Rb8 $16 {keeps fighting.} 25. Bf3 (25. Bxd5 Rxd5 26. Rxd5 Qxd5 $16) 25... Rf5) 25. Bxd5 ({Better is} 25. b4 $18) 25... Rxd5 $16 26. Rxd5 Qxd5 27. Qxd5 exd5 28. Rxd5 $18 {[%mdl 4096] Endgame KR-KR} Rc6 29. Kd2 Rg6 30. Rd3 Kf7 {[#]} 31. b3 $1 Rg4 32. Ke2 Ke7 33. Kf3 Rg6 34. Rc3 Kd7 35. Rc5 Kd6 (35... Rf6 $142 36. Rd5+ Kc6) 36. Re5 Kd7 $2 (36... Rh6 37. Rg5 g6) 37. Rd5+ (37. Rg5 $142 {Black must now prevent Rxg6.} Rxg5 38. fxg5) 37... Kc6 $2 (37... Ke8 38. c4 bxc4) 38. Rf5 (38. Rg5 $142 {Hoping for Rxg6+.} Rxg5 39. fxg5) 38... h6 (38... Rh6 {was worth a try.} 39. Rf7 g6 40. Rf6+ Kb7) 39. Rf7 Kd5 $2 (39... h5 40. Rf5 Rd6 41. Rxh5 Rd2) 40. Rd7+ Kc6 41. Rf7 $2 (41. Re7) 41... Kd5 $1 42. f5 {White is clearly winning.} Rc6 43. Rxg7 Rxc2 44. Re7 Rc1 45. Kg4 Rc3 46. f6 Kd6 47. Re8 {Accuracy: White = 69%, Black = 39%.} 1-0

[Event "Match Czechia vs Poland 2020"]
[Site "Zlin"]
[Date "2020.09.16"]
[Round "3.1"]
[White "Stocek, Jiri"]
[Black "Piorun, Kacper"]
[Result "0-1"]
[ECO "D38"]
[WhiteElo "2595"]
[BlackElo "2596"]
[Annotator "TA"]
[PlyCount "170"]
[EventDate "2020.09.14"]
[EventType "schev"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[WhiteTeam "Czech Republic"]
[BlackTeam "Poland"]
[WhiteTeamCountry "CZE"]
[BlackTeamCountry "POL"]

{[%evp 9,170,5,7,16,16,16,19,14,27,24,31,24,23,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,21,26,30,19,29,-17,-17,-17,-18,-22,-8,-19,-13,-51,-31,-45,-40,-49,-46,-70,-41,-145,-136,-139,-112,-120,-103,-103,-108,-100,0,-103,-102,-103,-89,-84,-90,-164,-177,-298,-295,-356,-354,-349,-347,-403,-368,-324,-225,-225,-225,-225,-225,-303,-301,-472,-472,-882,-852,-537,-537,-537,-532,-5642,-5189,-5532,-5583,-5010,-4606,-1591,-4952,-4169,-4129,-2290,-531,-529,-522,-531,-509,-29983,-29984,-29984,-29974,-29974,-170,-170,-170,-170,-170,-170,-170,-170,-170,-170,-170,-170,-170,-29970,-137,-137,-137,-145,-145,-145,-145,-145,0,-159,-159,-159,-159,-159,-159,-29971,-29972,-29972,-29973,-29976,-29977,-29977,-29978,-29978,-29979,-29981,-29980,-29980,-29981,-29982,-29982,-29983,-29984,-29985,-29986]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Bf4 {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4).} c6 7. Qb3 Qb6 8. a3 {The position is equal.} Be7 9. Qc2 O-O {[#]} 10. h3 $146 ({Predecessor:} 10. Rb1 g6 11. e3 Bf5 12. Bd3 Bxd3 13. Qxd3 Nbd7 14. b4 a6 15. O-O Rfe8 16. h3 Bf8 17. Nd2 {½-½ (25) Reshevsky,S-Lombardy,W New York 1956}) 10... Re8 11. e3 (11. g4 {is interesting.} Be6 12. e3 Nbd7 13. Bd3 c5 14. Ng5) 11... Bf5 12. Bd3 Bxd3 13. Qxd3 Nbd7 {[%cal Bb8d7,Bd7f8,Bf8e6][%mdl 32]} 14. O-O a5 15. Qc2 Qa6 16. b3 Nf8 17. Ra2 Ne6 18. Be5 Nd7 19. Bg3 b5 20. Ne5 Nf6 21. Rd1 Qb7 22. Qd3 b4 23. axb4 axb4 24. Rxa8 Rxa8 25. Na4 Ne4 26. Bh2 f6 27. Nf3 c5 28. dxc5 N6xc5 29. Nxc5 Bxc5 30. Nd2 ({White should try} 30. Bg3 $15) 30... Nc3 $17 31. Re1 g6 32. Bg3 Qa6 33. Qc2 Qe6 34. Qd3 Qa6 35. Qc2 $1 Qc6 36. Qd3 Qb5 $36 {[%mdl 2048] Keeping White busy.} 37. Qxb5 Nxb5 38. Kf1 (38. e4 $17) 38... Nc3 $19 39. Nb1 (39. Rc1 $142) 39... Ra2 40. f3 Nxb1 {[%mdl 64] Overworked Piece} 41. Rxb1 Bxe3 {[%mdl 4096] Endgame KRB-KRB} 42. Rd1 d4 43. Be1 f5 44. Rd3 Kf7 45. Bxb4 Ke6 {Threatens to win with ...Rf2+.} 46. Be1 Kd5 47. g4 (47. Rd1 {keeps fighting.}) 47... h5 48. gxh5 (48. g5 $142 Bxg5 49. Bf2) 48... gxh5 49. Bg3 f4 50. Be1 Rb2 51. h4 Rc2 52. Rd1 Ra2 53. Rd3 Rb2 54. Rd1 Rxb3 55. Ra1 d3 56. Ra5+ Kc4 (56... Bc5 $142 {( -> ...Rb1)} 57. Bf2 Rb1+ 58. Kg2 Rc1 59. Bxc5 Rxc5) 57. Ra4+ Kc5 58. Ra5+ Rb5 59. Bc3 (59. Ra3 $19 d2 60. Bxd2 Bxd2 61. Ke2) 59... Rxa5 60. Bxa5 {KB-KB} Kc4 61. Ke1 Kb3 $2 (61... Bc5 62. Kd1 Be7 63. Be1 Bc5 64. Ba5 Be7 65. Be1 Bb4 66. Bf2 Bc3 67. Kc1 Bd4 68. Be1 Be3+ 69. Kd1 d2 70. Bxd2 Bxd2 71. Kxd2 Kd4 72. Kc2 Ke3 73. Kc3 Kxf3 74. Kd2 Kg3 75. Ke2 f3+ 76. Ke1 Kxh4 77. Kf2 Kg4 78. Kf1 h4 79. Kf2 h3 80. Kg1 Kf4 81. Kf2 h2 82. Ke1 h1=Q+ 83. Kd2 f2 84. Kc2 f1=Q 85. Kc3 Qc6+ 86. Kb4 Qfb5+ 87. Ka3 Qa8#) 62. Kd1 Bd4 {aiming for ...Bf6.} 63. Bd8 Kc4 64. Bg5 Be5 65. Bd8 Bd6 66. Bf6 Bc7 67. Kd2 Bb6 68. Bg5 $2 (68. Kd1 $19) 68... Be3+ $2 (68... Ba5+ $1 {mates} 69. Kc1 Kd4 70. Bxf4 Bd8 71. Kd2 Bxh4 72. Be3+ Kc4 73. f4 Bf6 74. Kd1 Bd4 75. Bd2 h4 76. f5 h3 77. Bf4 Bg1 78. f6 h2 79. Bxh2 Bxh2 80. Kd2 Bf4+ 81. Kd1 Kc3 82. f7 Bd6 83. Kc1 Bf8 84. Kd1 d2 85. Ke2 Kc2 86. Kf3 d1=Q+ 87. Kg3 Qh5 88. Kf2 Kd3 89. Kg3 Ke2 90. Kg2 Bd6 91. Kg1 Qh2#) 69. Kd1 $17 Kc3 70. Bf6+ Bd4 71. Bg5 Be5 72. Bd8 Bd4 73. Bg5 $1 Bf2 $1 74. Bd8 Bc5 {Hoping for ...Kd4.} 75. Bf6+ Kc4 76. Bg5 $2 {[#] This move loses the game for White.} (76. Kd2 $17) 76... Kd4 $1 {[%cal Rd4e3] Black mates.} 77. Bxf4 {[#]} Be7 $1 {[%cal Re7h4]} 78. Kd2 Bxh4 79. Be3+ Kc4 80. f4 Bf6 81. f5 h4 82. Ke1 h3 83. Kf1 Bd4 84. Bd2 Kd5 85. Bf4 {[#]} Ke4 $1 {[%mdl 64] Double Attack. Accuracy: White = 68%, Black = 86%.} 0-1

[Event "Match Czechia vs Poland 2020"]
[Site "Zlin"]
[Date "2020.09.16"]
[Round "3.2"]
[White "Krejci, Jan"]
[Black "Nasuta, Grzegorz"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "2543"]
[BlackElo "2553"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2020.09.14"]
[EventType "schev"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[WhiteTeam "Czech Republic"]
[BlackTeam "Poland"]
[WhiteTeamCountry "CZE"]
[BlackTeamCountry "POL"]

{[%evp 9,104,18,31,39,22,16,29,23,35,40,49,66,61,81,61,0,42,52,50,26,41,8,22,12,4,14,33,0,0,-16,-16,-12,22,-14,-28,-25,22,23,12,16,22,20,12,0,0,0,0,-95,-10,-206,-191,-217,-224,-256,-197,-206,-54,-55,-50,-56,-37,-45,-35,-33,-41,-86,-86,-86,-83,-77,-66,-159,-100,-151,-135,-152,-109,-122,-82,-81,-80,-207,-204,-199,-193,-261,-217,-316,-295,-610,-608,-908,-893,-29961,-29963,-29972,-29971]} 1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. b3 e6 5. Bb2 Bd6 6. Qc2 {A06: Réti Opening: 1 Nf3 d5.} O-O 7. d4 Nbd7 8. Nbd2 {White has an edge.} Qc7 9. Rc1 {[#]} dxc4 $146 ({Predecessor:} 9... Re8 10. Bd3 h6 11. O-O e5 12. cxd5 Nxd5 13. Nc4 Nb4 14. Bh7+ Kh8 15. Qb1 exd4 16. Bxd4 {1-0 (35) Pavlovic,M (2488)-Andrejic,V (2268) Kragujevac 2015}) 10. Nxc4 Bb4+ 11. Ncd2 Bd6 12. Nc4 Bb4+ 13. Nfd2 b6 14. a3 Be7 $1 15. Ne5 c5 16. Bd3 Bb7 17. O-O h6 ({But not} 17... Nxe5 $6 18. dxe5 Qc6 19. f3 $16) 18. Qb1 Rad8 19. Rfd1 Nxe5 20. dxe5 Nd7 (20... Ng4 {seems wilder.} 21. Bh7+ Kh8 22. Be4 Ba6 23. Qa1 f6) 21. Nc4 Bd5 22. f4 Qb7 (22... b5 $5 {[%cal Rb5c4]} 23. Nd2 Qb6 $11) 23. Qc2 b5 24. Nd6 Bxd6 25. exd6 f5 26. Qc3 {[%csl Gb2][%cal Rc3g7]} (26. Be5 {with more complications.} Rc8 27. Bf1 Rf7 28. g3 Qb6 29. Qd3) 26... Rf7 27. Rd2 Rc8 28. Rdc2 (28. g4 $11) 28... a6 (28... Rc6 $17) 29. a4 $2 (29. Be2 $11 {and White has nothing to worry.}) 29... b4 $1 $19 {[%cal Rb4c3]} 30. Qe1 Bxb3 {[%mdl 64] Double Attack} 31. Bc4 Bxc4 ({Worse is} 31... Bxa4 32. Bxe6 Qe4 33. Bxf7+ Kxf7 34. Rc4 $16) 32. Rxc4 Qd5 $2 {[#]} ({Better is} 32... Rb8 $19 33. Qe2 Qc6) 33. Rxb4 $1 $15 {[%mdl 512]} Qxd6 (33... cxb4 34. Rxc8+) 34. Rbc4 Nb6 35. Be5 Qd5 (35... Qd7 $5 {[%cal Rb6c4]} 36. Rxc5 Rxc5 37. Rxc5 Qxa4 $15) 36. R4c2 c4 $36 {[%mdl 2048] Black has good play.} 37. Bd4 Nxa4 38. Qb4 Qb5 39. Qd6 Rc6 40. Qa3 ({White should try} 40. Qd8+ $15 Kh7 41. Qe8) 40... Rb7 (40... Rd7 $142 41. Qa2 c3 $1 {[%mdl 512]}) 41. Qa2 {[#]} (41. Ra1 $142 Nc5 42. Bxc5 Rxc5 43. Qxa6) 41... c3 $1 $17 42. Bxc3 Nxc3 43. Rxc3 Rbc7 44. Rxc6 Rxc6 {[%mdl 4096] Endgame KQR-KQR} 45. Rd1 (45. Rxc6 $17 {keeps fighting.} Qxc6 46. Kf2) 45... a5 {[%cal Ba6a5,Ba5a4,Ba4a3,Ba3a2][%mdl 32]} 46. h3 a4 47. Kh2 (47. Rd4 $142) 47... Qb3 $19 48. Rd8+ {[#]} (48. Qa1 {was worth a try.}) 48... Kh7 $1 49. Qe2 $2 (49. Qxb3 axb3 50. Kg3) 49... a3 {Threatens to win with ...a2.} 50. Ra8 {intending Qd2.} Rc2 51. Qf3 a2 52. Ra7 Rc1 {Accuracy: White = 50%, Black = 79%.} 0-1

[Event "Match Czechia vs Poland 2020"]
[Site "Zlin"]
[Date "2020.09.16"]
[Round "3.3"]
[White "Sadzikowski, Daniel"]
[Black "Babula, Vlastimil"]
[Result "1-0"]
[ECO "B47"]
[WhiteElo "2527"]
[BlackElo "2571"]
[Annotator "TA"]
[PlyCount "45"]
[EventDate "2020.09.14"]
[EventType "schev"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[WhiteTeam "Poland"]
[BlackTeam "Czech Republic"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "CZE"]

{[%evp 13,45,31,39,16,25,19,35,33,29,33,31,18,87,80,90,90,87,62,52,52,53,0,0,0,328,162,223,202,277,258,1123,1088,29987,29988]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. g3 a6 7. Bg2 h5 8. O-O {B47: Sicilian: Taimanov: 5 Nc3 Qc7 6 f4, 6 g3 and 6 Be2.} h4 9. Re1 hxg3 10. hxg3 {White is slightly better.} d6 11. Nxc6 bxc6 12. e5 {[#]} dxe5 $146 (12... d5 $1 $11 {remains equal.}) ({Predecessor:} 12... d5 13. Na4 Ne7 14. c4 Nf5 15. cxd5 cxd5 16. Be3 Nxe3 17. Rxe3 Bd7 18. Rc1 Qa5 {½-½ (69) Edouard,R (2642)-Movsesian,S (2645) Brest 2019}) 13. Rxe5 $16 Nf6 14. Ne4 $36 {[%mdl 2048] White has strong initiative.} Nxe4 15. Bxe4 {aiming for Bf4.} f5 16. Bf4 Bd6 {[#]} 17. Rc5 (17. Rxf5 $1 $14 {[%mdl 512]} exf5 18. Bxd6) 17... Bxf4 $11 18. Bxc6+ {[%mdl 64] Double Attack} Ke7 $2 {[%mdl 8192]} (18... Kf7 $11 {and Black stays safe.} 19. gxf4 (19. Bxa8 Qxc5 20. gxf4 Rh4 $15) 19... Bb7) 19. gxf4 ({Weaker is} 19. Bxa8 Qxc5 20. gxf4 Bd7 $15) (19. Qd4 $142 Be5 20. Bxa8 {[%mdl 64] Discovered Attack} (20. Qxe5 Qxe5 21. Rxe5 Rb8 $11) 20... Bxd4 21. Rxc7+ Kf6 22. c3) 19... Bb7 (19... Bd7 {was called for.} 20. Qxd7+ Qxd7 21. Bxd7 Kxd7) 20. Qd4 $18 Kf7 {[#]} 21. Qc4 $1 {White threatens Rxf5+ and mate.} Kf6 $2 (21... Rac8 22. Rxf5+ (22. Be8+ $2 Kf8 $19) 22... Ke7 23. Qb4+ Qd6 24. Rf7+ {[%mdl 64] Deflection} (24. Qxb7+ Rc7 $11) 24... Kxf7 25. Qxd6 Bxc6) 22. Qc3+ Kg6 23. Be8+ {[%mdl 64] Discovered Attack. Accuracy: White = 76%, Black = 39%.} 1-0

[Event "Match Czechia vs Poland 2020"]
[Site "Zlin"]
[Date "2020.09.16"]
[Round "3.4"]
[White "Janik, Igor"]
[Black "Kriebel, Tadeas"]
[Result "1/2-1/2"]
[ECO "E18"]
[WhiteElo "2470"]
[BlackElo "2519"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2020.09.14"]
[EventType "schev"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[WhiteTeam "Poland"]
[BlackTeam "Czech Republic"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "CZE"]

{[%evp 16,69,26,23,68,52,64,49,55,31,30,31,29,11,15,14,31,29,41,36,52,3,25,-23,-24,-29,-10,-47,0,0,8,7,7,7,6,0,0,0,0,0,0,0,68,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 e6 2. d4 Nf6 3. Nf3 d5 4. Nc3 Be7 5. g3 O-O 6. Bg2 b6 7. cxd5 exd5 8. O-O Bb7 9. Bf4 a5 {E18: Queen's Indian: Old Main Line (4 g3 Bb7 5 Bg2 Be7 6 0-0 0-0 7 Nc3).} 10. Rc1 Na6 11. Ne5 c5 {White is slightly better.} 12. dxc5 Nxc5 {[#]} 13. Nd3 $146 ({Predecessor:} 13. Nb5 Nfe4 14. Nd4 Bd6 15. Nec6 Qf6 16. Bxd6 Qxd6 17. Nf5 Qf6 18. Qd4 Qxd4 19. Ncxd4 g6 20. Nh4 Rac8 21. Nhf3 Na4 {½-½ (39) Tsay,V (2164)-Cordova,E (2599) Sturbridge 2019}) 13... Ne6 14. Be5 Ng4 15. Qa4 Nxe5 16. Nxe5 Nc5 17. Qd1 {[%cal Rc3d5]} Bf6 18. Nd3 Ne4 19. Na4 Rb8 20. Nf4 Re8 21. Qd3 Qd6 22. Qb5 Bg5 23. e3 $1 Bxf4 24. exf4 d4 {Black wants to play ...d3.} 25. Rfd1 Ba8 26. Nc3 Nxc3 27. bxc3 Bxg2 28. Kxg2 Rec8 (28... Qa3 $11) 29. cxd4 (29. Rxd4 $14 Qe6 30. c4) 29... Rxc1 $11 {The position is equal.} 30. Rxc1 {And now Qe5 would win.} Qxd4 $14 {KQR-KQR} 31. Rc4 Qd8 32. Rc6 h6 33. a4 Qd4 34. Rc4 Qd6 35. Rc6 {Accuracy: White = 81%, Black = 87%.} 1/2-1/2

[Event "Match Czechia vs Poland 2020"]
[Site "Zlin"]
[Date "2020.09.16"]
[Round "3.5"]
[White "Nguyen, Thai Dai Van"]
[Black "Teclaf, Pawel"]
[Result "1/2-1/2"]
[ECO "D90"]
[WhiteElo "2569"]
[BlackElo "2464"]
[Annotator "TA"]
[PlyCount "134"]
[EventDate "2020.09.14"]
[EventType "schev"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[WhiteTeam "Czech Republic"]
[BlackTeam "Poland"]
[WhiteTeamCountry "CZE"]
[BlackTeamCountry "POL"]

{[%evp 9,134,-3,15,26,21,14,19,14,21,22,16,16,35,23,34,0,0,12,1,7,27,18,25,8,18,24,15,0,0,-12,26,43,43,36,31,25,31,0,0,-38,-37,-47,-47,-44,-35,-35,-35,-89,-78,-124,-136,-133,-129,-129,-89,-89,-89,-108,-109,-109,-101,-181,-181,-181,-181,-181,-181,-223,-181,-223,-223,-223,-180,-180,0,-223,-187,-223,-223,-256,-187,-223,0,-256,-187,-223,-223,-223,-223,-223,0,-223,-223,-223,-223,-223,-223,-223,-223,-237,-187,-223,-223,-223,-187,-223,-223,-223,-26,-27,-33,-47,-56,-128,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. h4 c6 6. cxd5 {D90: Grünfeld: 4 Nf3 Bg7 sidelines.} cxd5 7. Bf4 Nc6 {[%cal Bb8c6,Bc6a5,Ba5c4][%mdl 32]} 8. e3 O-O 9. Qb3 Na5 10. Qa3 Nc4 11. Qb4 {[#]} b6 $146 ({Predecessor:} 11... Qb6 12. Qxb6 axb6 13. Nxd5 Nxd5 14. Bxc4 Nxf4 15. exf4 Rd8 16. O-O Bg4 17. Ne5 Bxe5 18. dxe5 {1-0 (38) Xu,X (2532)-Laciner,K (2271) Konya 2017}) 12. Be2 a5 13. Qb3 Bg4 14. Bxc4 a4 15. Qa3 dxc4 16. Ne5 b5 17. O-O ({Much worse is} 17. Nxb5 Qd5 $15) 17... Bd7 18. Nxd7 Qxd7 19. Qc5 Rfc8 (19... Ra5 {keeps more tension.} 20. Rfd1 Rc8 21. Qb4 Rca8 22. a3 e6) 20. Qxb5 Qxb5 21. Nxb5 Nd5 22. Bg3 a3 23. bxa3 c3 24. Rac1 c2 25. Rfe1 $1 {[%cal Re1e2]} Rc4 $1 26. e4 Ra5 {aiming for ...Bh6.} 27. exd5 Rxb5 28. d6 {[#]} ({Not} 28. Rxe7 $2 Rb1 $19) ({White should play} 28. a4 $1 $15 Rb2 29. Bf4) 28... exd6 $1 $17 {[#]} 29. Rxc2 $1 {[%mdl 512]} Rxc2 30. Re8+ Bf8 31. Bxd6 f6 ({Don't do} 31... Rxa2 32. Bxf8 h5 33. g3 $15) 32. Rxf8+ {[%mdl 4096] Endgame KRR-KRB} Kg7 33. Rb8 Rxb8 34. Bxb8 Rxa2 {KR-KB} 35. d5 (35. Bd6 $17 {might work better.}) 35... Rxa3 $19 36. d6 Kf7 37. Bc7 Ke6 38. Kh2 Rd3 39. f3 Rd2 40. Kh3 Rf2 41. Kg3 Rd2 42. Kh3 $1 h5 43. Kg3 Kd7 44. Kh3 Kc6 45. Kg3 Kd7 46. Kh3 $1 Rd1 47. Kg3 Rh1 48. Bb8 Ke6 49. Bc7 Kd7 50. Bb8 $1 Kd8 51. Bc7+ Kc8 52. Bb6 Rd1 53. Bc7 Rd4 54. Kh3 Kd7 55. Kg3 Ke6 56. Kh3 Kf5 57. Kg3 Rd2 58. Kh3 g5 $2 (58... Rd3 $19 59. Kh2 Ke6) 59. hxg5 $1 $11 fxg5 60. Kg3 Rd1 {Threatens to win with ...Rd5.} 61. Kf2 {[#]} (61. Kh3 $15) 61... h4 ({Black should try} 61... Rd5 $1 $17 {...Ke6 is the strong threat.} 62. Ke3 Ke6) 62. Ke2 {The position is equal.} Rd5 {And now ...Ke6 would win.} 63. Kf2 Ke6 64. Kg1 Kf5 65. Kf2 g4 66. fxg4+ Kxg4 67. Ke3 Kf5 {And White is the lucky defender. Accuracy: White = 82%, Black = 79%.} 1/2-1/2

[Event "Match Czechia vs Poland 2020"]
[Site "Zlin"]
[Date "2020.09.17"]
[Round "4.1"]
[White "Babula, Vlastimil"]
[Black "Piorun, Kacper"]
[Result "1/2-1/2"]
[ECO "E53"]
[WhiteElo "2571"]
[BlackElo "2596"]
[Annotator "ChessBase"]
[PlyCount "53"]
[EventDate "2020.09.14"]
[EventType "schev"]
[EventCountry "CZE"]
[WhiteTeam "Czech Republic"]
[BlackTeam "Poland"]
[WhiteTeamCountry "CZE"]
[BlackTeamCountry "POL"]
[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 0:00:00]} Bb4 {[%emt 0:00:00]} 4. e3 {[%emt 0:00:06]} O-O {[%emt 0:00:00]} 5. Bd3 {[%emt 0:00:18]} d5 {[%emt 0:00:06]} 6. Nf3 {[%emt 0:00:31]} c5 {[%emt 0:00:08]} 7. cxd5 {[%emt 0:00:32]} exd5 {[%emt 0:00:27]} 8. dxc5 {[%emt 0:00:22]} Nbd7 {[%emt 0:00:11]} 9. Bd2 {[%emt 0:00:29]} Nxc5 {[%emt 0:00:31]} 10. Be2 {[%emt 0:00:12]} Ne6 {[%emt 0:04:35]} 11. a3 {[%emt 0:00:30]} Bd6 {[%emt 0:02:38]} 12. Nb5 {[%emt 0:01:13]} Bb8 {[%emt 0:01:10]} 13. Bc3 {[%emt 0:08:26]} Ne4 {[%emt 0:05:11]} 14. Rc1 {[%emt 0:02:33]} Re8 {[%emt 0:09:55]} 15. O-O {[%emt 0:06:02]} a6 {[%emt 0:07:00]} 16. Nbd4 {[%emt 0:01:21]} N6c5 {[%emt 0:08:49]} 17. Bb4 {[%emt 0:19:29]} Bd6 {[%emt 0:08:25]} 18. Nd2 {[%emt 0:08:30]} b6 {[%emt 0:07:02]} 19. Nxe4 {[%emt 0:13:03]} dxe4 {[%emt 0:00:11]} 20. Nb3 {[%emt 0:00:28]} Nxb3 {[%emt 0:10:43]} 21. Qxb3 {[%emt 0:01:09]} Be6 {[%emt 0:00:57]} 22. Qc3 {[%emt 0:10:22]} Rc8 {[%emt 0:12:27]} 23. Qd4 {[%emt 0:01:06]} Bxb4 {[%emt 0:01:01]} 24. Qxb4 {[%emt 0:01:28]} a5 {[%emt 0:00:07]} 25. Qxe4 {[%emt 0:01:53]} Qd2 {[%emt 0:01:12]} 26. Rxc8 {[%emt 0:01:16]} Rxc8 {[%emt 0:00:02]} 27. Bg4 {[%emt 0:09:37]} 1/2-1/2

[Event "Match Czechia vs Poland 2020"]
[Site "Zlin"]
[Date "2020.09.17"]
[Round "4.1"]
[White "Babula, Vlastimil"]
[Black "Piorun, Kacper"]
[Result "*"]
[ECO "E53"]
[WhiteElo "2571"]
[BlackElo "2596"]
[Annotator "TA"]
[PlyCount "36"]
[EventDate "2020.09.14"]
[EventType "schev"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[WhiteTeam "Czech Republic"]
[BlackTeam "Poland"]
[WhiteTeamCountry "CZE"]
[BlackTeamCountry "POL"]

{[%evp 12,23,9,5,6,7,12,11,13,0,0,0,1,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. cxd5 {The position is equal.} exd5 {E53: Nimzo-Indian: Rubinstein: Main Line (4...0-0 5 Nf3 d5 6 Bd3 c5 7 0-0).} 8. dxc5 Nbd7 9. Bd2 Nxc5 10. Be2 Ne6 11. a3 Bd6 12. Nb5 {[#] An uneventful encounter.} {Predecessor:} Bb8 $146 13. O-O Re8 14. Rc1 Ne4 15. Be1 a6 16. Nbd4 Nxd4 17. Qxd4 Ba7 18. Qb4 Qf6 {½-½ (36) Avotins,M (2445)-Rogos,J (2506) ICCF email 2016} *

[Event "Match Czechia vs Poland 2020"]
[Site "Zlin"]
[Date "2020.09.17"]
[Round "4.2"]
[White "Nasuta, Grzegorz"]
[Black "Stocek, Jiri"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "2553"]
[BlackElo "2595"]
[Annotator "TA"]
[PlyCount "156"]
[EventDate "2020.09.14"]
[EventType "schev"]
[EventCountry "CZE"]
[WhiteTeam "Poland"]
[BlackTeam "Czech Republic"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "CZE"]

{[%evp 16,156,17,29,23,33,29,0,3,0,19,-33,15,22,28,9,45,50,48,72,62,60,58,52,54,66,114,63,71,75,146,31,37,31,82,35,48,48,57,45,37,50,37,49,56,48,49,-18,-13,-25,-23,-33,-50,-98,-62,-100,-62,-80,-70,-177,-62,-191,-191,-182,-82,-100,0,-144,-148,-220,-120,-102,-84,-182,-149,-150,0,0,0,-154,-143,-151,-148,-142,0,0,0,-143,0,0,0,-435,-435,-425,-410,-406,-405,-433,-387,-352,-279,-588,-588,-543,-383,-588,-588,-775,-775,-763,-764,-748,-731,-5297,-5297,-29959,-29968,-29968,-29969,-29972,-29972,-29975,-29976,-29976,-29978,-29977,-29976,-29975,-29976,-29978,-29979,-29979,-29980,-29980,-29981,-29981,-29982,-29982,-29983,-29983,-29984,-29983,-29984]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Nxc6 bxc6 7. e5 Nd5 8. Ne4 Qc7 9. f4 Rb8 {B45: Sicilian Four Knights.} 10. Bd3 Qb6 11. Qe2 Be7 {The position is equal.} 12. a3 f5 13. Nf2 {[#]} (13. exf6 $11 Nxf6 14. h4) 13... O-O $5 $146 {[%mdl 8] New and interesting.} ({Predecessor:} 13... Bc5 14. Nd1 d6 15. c4 dxe5 16. cxd5 e4 17. Bc2 exd5 18. b4 Bd4 19. Bb2 a5 {1-0 (48) Naiditsch,A (2574)-Radjabov,T (2648) Dortmund 2003}) 14. c4 Nc7 15. b4 c5 16. b5 $1 d5 17. exd6 $1 Qxd6 18. Bb2 Bf6 19. Be5 Bxe5 20. Qxe5 Rd8 21. O-O (21. a4 $16) 21... Qxe5 $14 22. fxe5 Bb7 (22... Na8 $142) 23. Rfd1 (23. a4 $1 $16) 23... Na8 $1 24. a4 a5 (24... Nb6 $1 $14) 25. Bf1 {Hoping for Nd3.} Rxd1 26. Rxd1 Nb6 27. Nd3 Rd8 28. Ra1 Nd7 29. Nc1 Kf7 30. Nb3 Be4 31. Nxa5 (31. Rc1 $14) 31... Ra8 $1 $11 {[%cal Ra8a5]} 32. Nb3 Bc2 33. Nd2 Rxa4 34. Re1 Ke7 35. Re3 Ra2 36. h4 g6 37. g3 (37. Nf3 $15) 37... h6 (37... Bd1 $19 38. Nb1 Rb2) 38. Bg2 ({Better is} 38. Be2 $15) 38... Bd1 $19 39. Nb1 Ra1 (39... Rb2 $19 {has better winning chances.} 40. Nc3 Bb3) 40. Nd2 $17 {Threatening Re1.} Ra2 41. Nb1 $1 Re2 42. Ra3 (42. Rxe2 $17 {keeps fighting.} Bxe2 43. Bf1 Bxf1 44. Kxf1) 42... Nxe5 ({Black should play} 42... Rb2 $1 $19 {[%cal Rb2b1]} 43. Nc3 Rb3) 43. Nc3 Re1+ 44. Kh2 (44. Bf1 $17 Bf3 45. Ra7+ Kd8 46. Kf2) 44... Nf3+ ({Not} 44... Nxc4 45. Ra1 $11) 45. Kh3 Ng1+ 46. Kh2 Nf3+ 47. Kh3 g5 $1 {[%cal Rg5g4]} 48. hxg5 ({But not} 48. Ra7+ $2 Kf6 $19) 48... Nxg5+ 49. Kh2 Nf3+ 50. Kh3 Ng5+ 51. Kh2 $1 Nf3+ ({Black should try} 51... Bg4 $1 $17 {...Nf3+ is the strong threat.} 52. Rb3 Nf3+ 53. Bxf3 Bxf3) 52. Kh3 $11 Ne5 {And now ...Bg4+ would win.} 53. b6 $2 {[%mdl 8192] White is on the road to losing.} (53. Nxd1 $11 Rxd1 54. b6) 53... Bg4+ $19 54. Kh2 Nf3+ 55. Bxf3 Bxf3 {[%csl Gf3][%cal Re1h1]} 56. Nd5+ Bxd5 57. cxd5 {[%mdl 4096] Endgame [#] Strongly threatening Rb3. KR-KR} Rb1 $1 (57... exd5 58. Rb3 $16) 58. Ra7+ $2 {[#]} (58. dxe6 {is more resistant.} Kxe6 59. Kg2) 58... Kd6 $1 59. dxe6 {Black must now prevent e7.} Rxb6 60. e7 (60. Kg1 $142 Kxe6 61. Kf2) 60... Rb2+ 61. Kh3 Re2 62. Ra6+ Kxe7 63. Rc6 Re5 64. Kh4 Kd7 65. Rxh6 c4 {[%cal Bc5c4,Bc4c3][%mdl 32] Black mates.} 66. Kg5 c3 67. Rh2 Rc5 68. Rc2 Kc6 69. Kf4 Kb5 70. Ke3 Kc4 71. Rc1 Rd5 72. Kf4 Kb3 73. Rb1+ Ka2 74. Rb8 c2 75. Rc8 Kb2 76. Rb8+ Kc3 77. Rc8+ Kd2 78. g4 fxg4 {Accuracy: White = 55%, Black = 75%.} 0-1

[Event "Match Czechia vs Poland 2020"]
[Site "Zlin"]
[Date "2020.09.17"]
[Round "4.2"]
[White "Nasuta, Grzegorz"]
[Black "Stocek, Jiri"]
[Result "*"]
[WhiteElo "2553"]
[BlackElo "2595"]
[Annotator "TA"]
[PlyCount "33"]
[EventDate "2020.09.14"]
[EventType "schev"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[WhiteTeam "Poland"]
[BlackTeam "Czech Republic"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "CZE"]

{[%evp 16,18,27,15,23]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Nxc6 bxc6 7. e5 Nd5 8. Ne4 Qc7 9. f4 Rb8 {[#] A rather calm draw. B45: Sicilian Four Knights.} {Predecessor:} 10. c4 $146 Bb4+ 11. Ke2 O-O 12. cxd5 cxd5 13. Nf2 d6 14. exd6 Bxd6 15. Kf3 e5 16. fxe5 Bxe5 17. Bd3 {0-1 (29) Huschenbeth,N (2605)-Nisipeanu,L (2655) Magdeburg 2020} *

[Event "Match Czechia vs Poland 2020"]
[Site "Zlin"]
[Date "2020.09.17"]
[Round "4.3"]
[White "Kriebel, Tadeas"]
[Black "Sadzikowski, Daniel"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "2519"]
[BlackElo "2527"]
[Annotator "ChessBase"]
[PlyCount "75"]
[EventDate "2020.09.14"]
[EventType "schev"]
[EventCountry "CZE"]
[WhiteTeam "Czech Republic"]
[BlackTeam "Poland"]
[WhiteTeamCountry "CZE"]
[BlackTeamCountry "POL"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} c6 {[%emt 0:00:00]} 2. Nc3 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 3. Nf3 {[%emt 0:00:00]} Bg4 {[%emt 0:01:07]} 4. h3 {[%emt 0:00:06]} Bxf3 {[%emt 0:00:05]} 5. Qxf3 {[%emt 0:00:04]} Nf6 {[%emt 0:00:40]} 6. Be2 {[%emt 0:00:26]} e6 {[%emt 0:01:35]} 7. O-O {[%emt 0:00:05]} dxe4 {[%emt 0:14:31]} 8. Nxe4 {[%emt 0:00:15]} Nbd7 {[%emt 0:00:11]} 9. d4 {[%emt 0:01:31]} Nxe4 {[%emt 0:01:16]} 10. Qxe4 {[%emt 0:00:05]} Nf6 {[%emt 0:00:08]} 11. Qe3 {[%emt 0:04:33]} g6 {[%emt 0:04:21]} 12. c4 {[%emt 0:08:38]} Bg7 {[%emt 0:01:31]} 13. Bd2 {[%emt 0:00:55]} O-O {[%emt 0:00:14]} 14. Bc3 {[%emt 0:00:08]} a5 {[%emt 0:01:44]} 15. a4 {[%emt 0:08:36]} Qc7 {[%emt 0:01:41]} 16. Rfd1 {[%emt 0:04:45]} Rfd8 {[%emt 0:01:00]} 17. Bf3 {[%emt 0:15:33]} Ne8 {[%emt 0:00:37]} 18. b3 {[%emt 0:14:02]} Rd7 {[%emt 0:24:21]} 19. d5 {[%emt 0:15:07]} Bxc3 {[%emt 0:15:20]} 20. dxc6 {[%emt 0:00:06]} Rxd1+ {[%emt 0:00:08]} 21. Rxd1 {[%emt 0:00:04]} Qe5 {[%emt 0:00:24]} 22. cxb7 {[%emt 0:00:04]} Rb8 {[%emt 0:00:06]} 23. c5 {[%emt 0:01:04]} Kf8 {[%emt 0:18:11]} 24. c6 {[%emt 0:01:30]} Qxe3 {[%emt 0:02:03]} 25. fxe3 {[%emt 0:00:02]} Nc7 {[%emt 0:00:08]} 26. Rd7 {[%emt 0:05:43]} Be5 {[%emt 0:00:07]} 27. Be2 {[%emt 0:03:47]} Ne8 {[%emt 0:03:45]} 28. b4 {[%emt 0:08:59]} Bc7 {[%emt 0:00:02]} 29. bxa5 {[%emt 0:02:34]} Bxa5 {[%emt 0:00:04]} 30. Kf2 {[%emt 0:00:32]} Kg7 {[%emt 0:00:39]} 31. Kf3 {[%emt 0:01:47]} h5 {[%emt 0:01:02]} 32. Bc4 {[%emt 0:02:03]} Kf6 {[%emt 0:00:09]} 33. Ke4 {[%emt 0:00:48]} Nc7 {[%emt 0:01:32]} 34. Kd4 {[%emt 0:01:02]} Bb6+ {[%emt 0:00:06]} 35. Kc3 {[%emt 0:00:28]} Ba5+ {[%emt 0:00:02]} 36. Kd4 {[%emt 0:00:05]} Bb6+ {[%emt 0:00:06]} 37. Kc3 {[%emt 0:00:04]} Ba5+ {[%emt 0:00:01]} 38. Kd4 {[%emt 0:02:47]} 1/2-1/2

[Event "Match Czechia vs Poland 2020"]
[Site "Zlin"]
[Date "2020.09.17"]
[Round "4.3"]
[White "Kriebel, Tadeas"]
[Black "Sadzikowski, Daniel"]
[Result "*"]
[WhiteElo "2519"]
[BlackElo "2527"]
[Annotator "TA"]
[PlyCount "27"]
[EventDate "2020.09.14"]
[EventType "schev"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[WhiteTeam "Czech Republic"]
[BlackTeam "Poland"]
[WhiteTeamCountry "CZE"]
[BlackTeamCountry "POL"]

{[%evp 10,13,22,12,17,11]} 1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 Nf6 6. Be2 e6 {B11: Caro-Kann: Two Knights Variation.} 7. O-O {[#] Not much happened in this game.} {Predecessor:} Bc5 $146 8. Rd1 d4 9. e5 Nfd7 10. Ne4 Be7 11. Qg3 O-O 12. d3 Bh4 13. Qf4 c5 14. Nd6 {½-½ (48) Nepomniachtchi,I (2784)-Ding,L (2791) chess24.com INT 2020} *

[Event "Match Czechia vs Poland 2020"]
[Site "Zlin"]
[Date "2020.09.17"]
[Round "4.4"]
[White "Janik, Igor"]
[Black "Nguyen, Thai Dai Van"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2470"]
[BlackElo "2569"]
[Annotator "RC"]
[PlyCount "83"]
[EventDate "2020.09.14"]
[EventType "schev"]
[EventCountry "CZE"]
[WhiteTeam "Poland"]
[BlackTeam "Czech Republic"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "CZE"]
[TimeControl "40/5400+30:1800+30"]

1. c4 {[%emt 0:17:05]} e6 {[%emt 0:00:41]} 2. Nf3 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 3. g3 {[%emt 0:00:00]} Nf6 {[%emt 0:01:56]} 4. Bg2 {[%emt 0:00:00]} d4 {[%emt 0:00:05]} 5. O-O {[%emt 0:00:00]} Nc6 {[%emt 0:00:05]} 6. d3 {[%emt 0:00:00]} Bc5 {[%emt 0:00:36]} 7. Na3 {[%emt 0:00:00]} O-O {[%emt 0:00:35]} 8. Nc2 {[%emt 0:00:00]} e5 {[%emt 0:01:41]} 9. b4 {[%emt 0:00:00]} Nxb4 {[%emt 0:02:02]} 10. Nxb4 {[%emt 0:00:00]} Bxb4 {[%emt 0:00:05]} 11. Nxe5 {[%emt 0:00:00]} Re8 {[%emt 0:02:28]} 12. Nf3 {[%emt 0:04:12]} Bc5 {[%emt 0:05:09]} 13. Rb1 {[%emt 0:03:30]} Rb8 {[%emt 0:03:08]} 14. Re1 {[%emt 0:11:07]} b6 {[%emt 0:06:48]} 15. Nd2 {[%emt 0:01:03]} Bg4 {[%emt 0:03:25]} 16. h3 {[%emt 0:01:50]} Be6 {[%emt 0:16:02]} 17. Nb3 {[%emt 0:04:52]} Bf8 {[%emt 0:03:10]} 18. Bf4 {[%emt 0:07:02]} Nh5 {[%emt 0:11:47]} 19. Be5 {[%emt 0:08:50]} Bxh3 {[%emt 0:00:14]} 20. Bxd4 {[%emt 0:00:21]} Bg4 {[%emt 0:05:56]} 21. Qd2 {[%emt 0:03:17]} a5 {[%emt 0:00:56]} 22. Bc3 {[%emt 0:00:11]} c5 {[%emt 0:00:14]} 23. e4 {[%emt 0:03:41]} g6 {[%emt 0:07:54]} 24. Na1 {[%emt 0:01:21]} Rb7 {[%emt 0:05:09]} 25. Nc2 {[%emt 0:03:10]} Rd7 {[%emt 0:01:00]} 26. Ne3 {[%emt 0:00:12]} Rxd3 {[%emt 0:11:42]} 27. Qc2 {[%emt 0:00:03]} Be6 {[%emt 0:00:09]} 28. Nd5 {[%emt 0:00:18]} Rd4 {[%emt 0:00:16]} 29. Bxd4 {[%emt 0:02:20]} cxd4 {[%emt 0:00:05]} 30. Bf3 {[%emt 0:01:49]} Nf6 {[%emt 0:00:40]} 31. Qd2 {[%emt 0:01:27]} Bc5 {[%emt 0:02:08]} 32. Kg2 {[%emt 0:00:32]} Nd7 {[%emt 0:00:53]} 33. Rh1 {[%emt 0:05:21]} h5 {[%emt 0:00:10]} 34. Bxh5 {[%emt 0:02:49]} gxh5 {[%emt 0:02:34]} 35. Rxh5 {[%emt 0:00:07]} Bf8 {[%emt 0:00:45]} 36. Rbh1 {[%emt 0:01:24]} Bg7 {[%emt 0:00:01]} 37. Rh7 {[%emt 0:00:49]} f6 {[%emt 0:03:33]} 38. Rxg7+ {[%emt 0:00:32]} Kxg7 {[%emt 0:00:04]} 39. Qh6+ {[%emt 0:00:07]} Kf7 {[%emt 0:00:02]} 40. Qh7+ {[%emt 0:00:22]} Kf8 {[%emt 0:00:01]} 41. Qh8+ {[%emt 0:30:41]} Bg8 {[%emt 0:30:04]} 42. Rh7 {[%emt 0:00:12]} 1-0

[Event "Match Czechia vs Poland 2020"]
[Site "Zlin"]
[Date "2020.09.17"]
[Round "4.4"]
[White "Janik, Igor"]
[Black "Nguyen, Thai Dai Van"]
[Result "*"]
[WhiteElo "2470"]
[BlackElo "2569"]
[Annotator "TA"]
[PlyCount "28"]
[EventDate "2020.09.14"]
[EventType "schev"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[WhiteTeam "Poland"]
[BlackTeam "Czech Republic"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "CZE"]

{[%evp 10,15,40,16,40,0,0,3]} 1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 d4 5. O-O Nc6 6. d3 Bc5 {A13: English Opening: 1...e6.} 7. Na3 O-O 8. Nc2 {[#] Not much happened in this game.} {Predecessor:} a5 $146 9. e3 e5 10. exd4 exd4 11. Re1 h6 12. Bf4 Be6 13. Ne5 Nxe5 14. Bxe5 Rb8 {1-0 (86) Sonis,F (2425)-Maisuradze,N (2234) Caleta 2018} *

[Event "Match Czechia vs Poland 2020"]
[Site "Zlin"]
[Date "2020.09.17"]
[Round "4.5"]
[White "Teclaf, Pawel"]
[Black "Krejci, Jan"]
[Result "1/2-1/2"]
[ECO "C88"]
[WhiteElo "2464"]
[BlackElo "2543"]
[Annotator "ChessBase"]
[PlyCount "50"]
[EventDate "2020.09.14"]
[EventType "schev"]
[EventCountry "CZE"]
[WhiteTeam "Poland"]
[BlackTeam "Czech Republic"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "CZE"]
[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. Bb5 {[%emt 0:00:00]} a6 {[%emt 0:00:00]} 4. Ba4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 5. O-O {[%emt 0:00:00]} Be7 {[%emt 0:00:00]} 6. Re1 {[%emt 0:00:00]} b5 {[%emt 0:00:02]} 7. Bb3 {[%emt 0:00:00]} d6 {[%emt 0:00:06]} 8. a4 {[%emt 0:00:00]} b4 {[%emt 0:08:24]} 9. a5 {[%emt 0:02:55]} O-O {[%emt 0:06:02]} 10. d3 {[%emt 0:00:10]} Be6 {[%emt 0:00:09]} 11. Nbd2 {[%emt 0:00:28]} Rb8 {[%emt 0:00:22]} 12. Bc4 {[%emt 0:09:21]} Qc8 {[%emt 0:00:06]} 13. Nf1 {[%emt 0:01:43]} h6 {[%emt 0:08:05]} 14. Ne3 {[%emt 0:07:03]} Re8 {[%emt 0:12:35]} 15. Nd5 {[%emt 0:16:29]} Bd8 {[%emt 0:00:28]} 16. c3 {[%emt 0:01:23]} bxc3 {[%emt 0:03:29]} 17. bxc3 {[%emt 0:00:32]} Bxd5 {[%emt 0:00:26]} 18. Bxd5 {[%emt 0:04:30]} Nxd5 {[%emt 0:00:58]} 19. exd5 {[%emt 0:00:05]} Ne7 {[%emt 0:00:07]} 20. c4 {[%emt 0:08:52]} Ng6 {[%emt 0:04:19]} 21. Nd4 {[%emt 0:08:15]} Bg5 {[%emt 0:11:56]} 22. Nc6 {[%emt 0:01:31]} Rb7 {[%emt 0:00:06]} 23. g3 {[%emt 0:04:22]} Qf5 {[%emt 0:07:41]} 24. Qe2 {[%emt 0:04:48]} Bxc1 {[%emt 0:08:19]} 25. Raxc1 {[%emt 0:00:17]} Ne7 {[%emt 0:00:18]} 1/2-1/2

[Event "Match Czechia vs Poland 2020"]
[Site "Zlin"]
[Date "2020.09.17"]
[Round "4.5"]
[White "Teclaf, Pawel"]
[Black "Krejci, Jan"]
[Result "*"]
[WhiteElo "2464"]
[BlackElo "2543"]
[Annotator "TA"]
[PlyCount "36"]
[EventDate "2020.09.14"]
[EventType "schev"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[WhiteTeam "Poland"]
[BlackTeam "Czech Republic"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "CZE"]

{[%evp 15,17,12,14,13]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. a4 b4 {8...Bd7 is becoming the main line.} 9. a5 {[#] A rather calm draw. C90: Closed Ruy Lopez with 7...d6: Early deviations.} {Predecessor:} O-O $146 10. c3 Rb8 11. d3 h6 12. Nbd2 bxc3 13. bxc3 Be6 14. Nc4 Qc8 15. Qc2 Rd8 16. Ba3 Bf8 17. Nfd2 Ne7 18. d4 Ng6 {1-0 (46) Svidler,P (2737)-Postny,E (2601) Netanya 2019} *

[Event "Match Czechia vs Poland 2020"]
[Site "Zlin"]
[Date "2020.09.18"]
[Round "5.1"]
[White "Piorun, Kacper"]
[Black "Kriebel, Tadeas"]
[Result "1-0"]
[ECO "B47"]
[WhiteElo "2596"]
[BlackElo "2519"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2020.09.14"]
[EventType "schev"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[WhiteTeam "Poland"]
[BlackTeam "Czech Republic"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "CZE"]

{[%evp 9,65,19,48,27,16,15,21,17,26,14,15,19,10,0,35,0,0,5,24,29,40,41,118,114,271,250,256,268,264,281,278,257,267,295,493,487,541,539,520,487,466,466,503,503,686,599,870,852,1013,996,1219,1027,1337,1266,1995,1940,1977,1951]} 1. e4 c5 2. Nc3 e6 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 Qc7 6. Qd3 {B47: Sicilian: Taimanov: 5 Nc3 Qc7 6 f4, 6 g3 and 6 Be2.} Nf6 7. Ndb5 Qb8 $1 8. Qg3 {[#] Hoping for Nc7+.The position is equal.} d6 $1 {next ...a6 is good for Black.} 9. Be3 {Black must now prevent 0-0-0.} a6 10. Nd4 h5 11. f3 $36 {[%mdl 2048] [#] White is pushing.} Ne5 $146 ({Predecessor:} 11... e5 12. Nb3 Be6 13. O-O-O Qc7 14. Kb1 Rc8 15. Qf2 b5 16. Qd2 Qb7 17. Be2 Nb8 {1-0 (57) Caruana,F (2828)-Harikrishna,P (2726) Saint Louis 2019}) 12. O-O-O b5 13. a3 {[%cal Ba2a3,Ba3b4,Bb4b5][%mdl 32]} Bd7 14. f4 Neg4 15. Bg1 b4 ({Black should play} 15... e5 $14) 16. axb4 $16 a5 $2 {A mistake that costs the game.} (16... e5 $16 {was called for.}) 17. b5 $18 a4 18. h3 a3 19. b3 ({But not} 19. hxg4 $6 a2 $16) 19... Nh6 20. Kb1 a2+ 21. Ka1 Qc7 $2 (21... Be7 22. Qf3 (22. Qxg7 Rg8 $16) 22... O-O) 22. b6 {White is clearly winning.} Qxb6 {[#]} 23. Nxe6 $1 {[%mdl 576] Discovered Attack} Qc6 (23... Bxe6 24. Bxb6) 24. Nxf8 Kxf8 25. Bd4 Ra5 26. Bd3 Be6 27. Rhe1 Nhg8 28. f5 Bd7 29. e5 dxe5 30. Rxe5 Rxe5 31. Qxe5 g5 32. fxg6 fxg6 33. Ne4 {Accuracy: White = 96%, Black = 42%.} 1-0

[Event "Match Czechia vs Poland 2020"]
[Site "Zlin"]
[Date "2020.09.18"]
[Round "5.2"]
[White "Nasuta, Grzegorz"]
[Black "Babula, Vlastimil"]
[Result "0-1"]
[ECO "B82"]
[WhiteElo "2553"]
[BlackElo "2571"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2020.09.14"]
[EventType "schev"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[WhiteTeam "Poland"]
[BlackTeam "Czech Republic"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "CZE"]

{[%evp 17,120,26,44,28,79,51,60,57,53,52,67,41,33,29,41,-15,29,18,27,0,17,20,85,0,0,0,0,0,0,0,0,-7,-39,-25,0,-16,-11,-14,-28,-17,-41,-487,0,0,0,-21,0,-38,-47,-49,0,-49,54,-53,-47,-136,-131,-114,-89,-121,0,-123,-105,-220,-161,-148,-19,-32,-20,-151,-151,-151,-151,-151,-151,-151,-151,-12834,-12835,-12835,-12836,-12836,-12836,-12836,-12837,-12838,-12838,-12838,-12839,-12839,-12839,-12840,-12840,-12841,-12841,-12841,-12842,-12843,-12843,-12843,-12843,-12844,-12844,-12847,-12847]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. a3 a6 7. Be3 Nf6 8. f4 d6 9. Qf3 Be7 10. O-O-O {B82: Sicilian Scheveningen: 6 f4.} Rb8 $5 {[%mdl 4] A promising side line.} (10... O-O $11) 11. Be2 O-O 12. g4 {[#] White is slightly better.} Nd7 $5 $146 {[%mdl 8] An interesting novelty.} ({Predecessor:} 12... Nxd4 13. Bxd4 b5 14. g5 Nd7 15. Rhg1 b4 16. axb4 Rxb4 17. f5 Ne5 18. Qh3 Re8 {½-½ (52) Jumabayev,R (2602)-Wang,H (2730) Makati 2018}) 13. g5 b5 14. Nxc6 Qxc6 15. f5 $1 {[%cal Rf5f6] And now f6! would win.} Ne5 16. Qh3 (16. Qf4 $14) 16... Re8 17. f6 Bf8 {next ...a5 is good for Black.} 18. Rhf1 b4 19. axb4 Rxb4 (19... Qb7 $1 $11) 20. Bd4 ({Better is} 20. Rf4 $1 $16) 20... g6 $1 $11 21. Rf4 Nd3+ 22. Qxd3 {Rf3 is the strong threat.} e5 23. Rff1 Rxd4 24. Qe3 $132 {[%mdl 2048] White puts up resistance} Qc5 25. Rd3 Qa5 26. h4 d5 27. Rxd4 (27. exd5 Rxh4 28. d6 Bf5 $17) 27... exd4 28. Qxd4 dxe4 {Threatens to win with ...Bb4.} 29. Bc4 $2 {[%mdl 8192]} (29. Kb1 $15) 29... Qc5 $2 (29... Bc5 $1 $19 {[%cal Rc5d4]} 30. Qd2 (30. Qd5 $2 Qa1+ 31. Kd2 e3+ 32. Ke2 Bg4+ 33. Rf3 Kh8 $19) 30... e3) 30. Qxc5 Bxc5 31. Re1 e3 (31... Bf5 {looks sharper.} 32. Nd5 Bf2 33. Ne7+ Kf8 34. Rf1 Bxh4 35. Nxf5 Bxg5+ 36. Kd1 Rd8+) 32. Nd5 a5 33. c3 Kf8 (33... Re4 $5 {[%cal Re4c4]} 34. Bd3 Re5 $15) 34. Be2 Re4 (34... Bd6 $15) 35. Rh1 (35. Rd1 $1 $14 Ra4 36. Kc2 Bf5+ 37. Kb3 Rxh4 38. Nxe3 $1 {[%mdl 512]} a4+ 39. Ka2 Be6+ 40. Kb1) 35... Bf5 $15 {aiming for ...Ra4.} 36. b3 (36. Rd1 $1 $15 h5 37. gxh6) 36... Re5 37. Nf4 Ba3+ 38. Kd1 Bb2 (38... Bd6 $17 {White must now prevent ...Rc5.} 39. Nd3 Rd5) 39. h5 (39. Nd3 $1 $11 {remains equal.} Bxd3 40. Bxd3) 39... gxh5 $17 ({Stronger than} 39... Bxc3 40. hxg6 Bxg6 41. Nxg6+ fxg6 42. Rxh7 $14) 40. Bxh5 (40. c4 $17 {might work better.}) 40... Bxc3 41. Ke2 {[#]} Bd2 (41... Rb5 $1 $17 {[%cal Rb5b3]} 42. Nd3 Rxb3) 42. Bf3 $11 Bc2 43. g6 {Black continues to play with concentration.} (43. Rh5 $1 $11 {was the only way to keep the balance.}) 43... Bxg6 $17 ({Much less strong is} 43... fxg6 44. Rxh7 g5 45. Nd3 $17) 44. Nxg6+ fxg6 45. Rxh7 {[%mdl 4096] Endgame KRB-KRB} Rf5 46. f7 Rxf7 47. Rxf7+ $2 (47. Rh4 $17) 47... Kxf7 {KB-KB. Black is clearly winning.} 48. Kd3 Kf6 49. Ke4 Kg5 50. Be2 Kh4 51. Kf3 g5 52. Kg2 g4 53. Bd1 Kg5 54. Be2 Kf4 55. Bd1 Bb4 56. Be2 Bd6 57. Kf1 g3 58. Ba6 Ke4 59. Ke2 Kd4 {( -> ...g2)} 60. Kf3 Kc3 {Accuracy: White = 57%, Black = 71%.} 0-1

[Event "Match Czechia vs Poland 2020"]
[Site "Zlin"]
[Date "2020.09.18"]
[Round "5.3"]
[White "Nguyen, Thai Dai Van"]
[Black "Sadzikowski, Daniel"]
[Result "1-0"]
[ECO "E52"]
[WhiteElo "2569"]
[BlackElo "2527"]
[Annotator "TA"]
[PlyCount "111"]
[EventDate "2020.09.14"]
[EventType "schev"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[WhiteTeam "Czech Republic"]
[BlackTeam "Poland"]
[WhiteTeamCountry "CZE"]
[BlackTeamCountry "POL"]

{[%evp 11,111,15,2,0,3,12,11,21,13,10,16,0,13,0,22,0,13,-14,0,0,26,21,44,32,56,55,29,31,79,68,79,78,78,78,78,78,71,77,113,107,125,137,126,119,123,131,121,138,132,130,129,99,129,110,112,106,113,107,148,89,112,102,95,0,103,103,103,103,95,102,91,106,97,95,217,206,191,139,155,166,183,185,296,303,311,310,834,686,977,970,966,935,958,947,933,836,1198,679,639,412,746,273]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. cxd5 {E52: Nimzo-Indian: Rubinstein: 4...0-0 5 Nf3 d5 6 Bd3 b6.} exd5 8. O-O Ba6 9. Bxa6 {The position is equal.} Nxa6 10. Bd2 $1 {[%mdl 4] now scores much better than the old 10.Qa4.} Qc8 11. Rc1 Qb7 12. a3 Be7 {[#]} 13. Qb3 $5 $146 {[%mdl 8] An interesting novelty.} ({Predecessor:} 13. b4 c6 14. Ne5 Rac8 15. Qf3 Nc7 16. Rc2 Nb5 17. Nb1 Rc7 18. Rfc1 Rfc8 19. Be1 {0-1 (48) Szabo,G (2541)-Deac,B (2575) Olanesti 2018}) 13... Rac8 14. Rc2 c6 15. Ne2 Rb8 16. Rfc1 $36 {[%mdl 2048] White is more active.} c5 17. dxc5 bxc5 18. Qxb7 Rxb7 19. Bc3 Nc7 20. Bxf6 $1 Bxf6 21. Rxc5 Ne6 22. Rxd5 Bxb2 23. Rb1 Rfb8 24. a4 a6 25. g3 Bf6 26. Rxb7 Rxb7 27. Rd6 Nc5 28. Rc6 {Rc8+ would kill now.} Be7 29. Nc3 Bf8 30. Nd4 g6 31. h4 h5 32. a5 Rb2 33. Nf3 Rb3 34. Nd5 Rb5 {[#]} 35. Nf6+ (35. Ng5 $142 $1) 35... Kg7 $16 36. Ne8+ Kg8 37. Nf6+ Kg7 38. Ng5 Be7 {[#]} 39. Ne8+ $1 Kf8 40. Rc8 Rxa5 41. Nd6+ $1 Kg7 42. Ndxf7 Ne6 {A mistake that costs the game.} (42... Rb5 $16 {might work better.}) 43. Nxe6+ $18 Kxf7 {[%mdl 4096] Endgame KRB-KRN} 44. Nd4 (44. Rc6 $18) 44... Bf6 45. Rc7+ Kg8 46. Ne6 Rb5 (46... Ra1+ $142 47. Kg2 a5) 47. Nf4 Be5 48. Rc6 Bxf4 $2 (48... a5 49. Nxg6 Bb8) 49. gxf4 {KR-KR} ({Weaker is} 49. exf4 Rb1+ 50. Kh2 Kf7 $18) 49... Kf7 50. Rxa6 Rc5 51. Kg2 Rc1 52. Ra7+ Kf6 53. e4 Re1 54. e5+ Kf5 55. Kf3 {Intending Ra6 and mate.} Rh1 (55... Ke6 $142 56. Rg7 Rg1) 56. Rf7+ {Accuracy: White = 87%, Black = 62%.} 1-0

[Event "Match Czechia vs Poland 2020"]
[Site "Zlin"]
[Date "2020.09.18"]
[Round "5.4"]
[White "Krejci, Jan"]
[Black "Janik, Igor"]
[Result "1/2-1/2"]
[ECO "E48"]
[WhiteElo "2543"]
[BlackElo "2470"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2020.09.14"]
[EventType "schev"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[WhiteTeam "Czech Republic"]
[BlackTeam "Poland"]
[WhiteTeamCountry "CZE"]
[BlackTeamCountry "POL"]

{[%evp 14,100,-10,-8,0,0,0,0,0,0,8,-7,6,-8,16,15,15,7,35,21,23,25,26,14,28,23,31,18,28,19,21,9,18,0,11,6,16,0,0,0,0,-14,-4,-11,-11,-189,-184,-202,-62,-50,-42,-47,-10,-15,-10,-11,-11,-18,-25,-24,-24,-51,-50,-69,-77,-61,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. cxd5 exd5 7. Nge2 Re8 8. O-O b6 {E48: Nimzo-Indian: Rubinstein: 5 Bd3 d5 including 6 Ne2, but excluding 6 a3.} 9. a3 Bf8 10. b4 c6 {[#]} 11. Rb1 $146 ({Predecessor:} 11. Re1 a5 12. Rb1 axb4 13. axb4 Nbd7 14. b5 c5 15. Nf4 Bb7 16. Bc2 Bd6 17. dxc5 Nxc5 {½-½ (59) Kunze,C (2235)-Schuetze,N (2282) Germany 2017}) 11... Ba6 12. b5 cxb5 13. Nf4 Bd6 14. Nh5 Nbd7 15. Nxb5 Bb8 16. Nxf6+ (16. Bd2 {is more complex.} Bb7 17. a4 a6 18. Nc3 Nxh5 19. Qxh5 g6 20. Qe2) 16... Nxf6 17. f3 Bb7 {...a6 is the strong threat.} 18. Bd2 Re6 19. a4 Nh5 20. f4 Nf6 21. Nc3 Bc6 22. Qc2 Qe8 23. Kh1 Bd6 24. Nb5 {[#] Threatens to win with f5.} Bxb5 25. axb5 Rc8 26. Qb3 Re7 27. h3 g6 28. Rbe1 Rec7 29. Rc1 $2 (29. Ra1 $11) 29... Rxc1 $19 30. Bxc1 {[#]} Ne4 (30... Rxc1 $1 $19 {[%mdl 512]} 31. Rxc1 Qxe3 {[%mdl 64] Double Attack}) 31. Kh2 $15 Rc3 32. Qd1 $1 Qe6 33. Bb2 {Hoping for Bxe4.} Rc7 34. Qe2 Re7 35. Bc1 h5 36. Qf3 Rc7 {[%cal Be7c7,Bc7c3,Bc3b3][%mdl 32]} 37. Rd1 Rc3 38. Bb2 Rb3 39. Qe2 Nc3 (39... Qe7 $15) 40. Bxc3 $1 $11 {The position is equal.} Rxc3 41. Kh1 Ba3 42. Kg1 Bc1 43. Kf2 $1 Qe7 44. Qf3 Qa3 45. Qe2 Kg7 46. Kf3 Rb3 47. Qc2 Rc3 48. Qe2 h4 49. Qf1 Rb3 50. Qe2 Rc3 {Accuracy: White = 92%, Black = 87%.} 1/2-1/2

[Event "Match Czechia vs Poland 2020"]
[Site "Zlin"]
[Date "2020.09.18"]
[Round "5.5"]
[White "Stocek, Jiri"]
[Black "Teclaf, Pawel"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "2595"]
[BlackElo "2464"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2020.09.14"]
[EventType "schev"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[WhiteTeam "Czech Republic"]
[BlackTeam "Poland"]
[WhiteTeamCountry "CZE"]
[BlackTeamCountry "POL"]

{[%evp 9,52,36,26,16,28,21,11,13,68,72,71,63,85,73,76,79,77,54,108,116,138,138,141,134,378,108,99,67,77,83,69,58,156,158,264,0,0,0,0,0,7,5,20,11,11]} 1. d4 e6 2. c4 b6 3. a3 g6 4. Nc3 Bg7 5. e4 Ne7 6. Nf3 {A40: Unusual replies to 1 d4.} O-O 7. Bd3 d5 8. O-O Bb7 {[#]} (8... Nbc6 $11) 9. exd5 $146 ({Predecessor:} 9. cxd5 exd5 10. e5 c5 11. Bg5 Nbc6 12. Re1 h6 13. Bh4 c4 14. Bc2 Bc8 15. Re3 {1-0 (40) Nippula,T (2224)-Kengis,E (2572) Jyvaskyla 2001}) 9... exd5 10. Bg5 dxc4 11. Bxc4 Nd7 12. Re1 Bf6 {Hoping for ...Bxf3.} 13. Bf4 c5 ({Black should try} 13... Rc8 $14) 14. Bh6 $16 Bg7 15. Bxg7 Kxg7 16. dxc5 {And now Qd4+ would win.} bxc5 $2 (16... Nf5 $16) 17. Bb5 $2 (17. Ng5 $1 $18 {and the rest is easy.}) 17... Nc6 18. Ne4 Qb6 19. Qxd7 Rad8 20. Qg4 {Strongly threatening Bxc6.} Qxb5 {[#]} (20... Nd4 $1 $14) 21. Qf4 $1 $36 {[%mdl 2048] White is in control.} Qb6 {[#]} (21... Ba8 $16 {was necessary.} 22. a4 Qxb2) 22. Qf6+ $2 (22. Nfg5 $1 $18) 22... Kg8 $11 {The position is equal.} 23. Rad1 Rxd1 24. Rxd1 {Rd6 is the strong threat.} Nd4 $1 25. Nxd4 {aiming for Qxb6.} Bxe4 26. Qxb6 $1 axb6 {Accuracy: White = 74%, Black = 53%.} 1/2-1/2

