[Event "20th Prague Open 2022"]
[Site "Prague"]
[Date "2022.01.13"]
[Round "8.1"]
[White "Urkedal, Frode Olav Olsen"]
[Black "Mirzoev, Azer"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2553"]
[BlackElo "2420"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2022.01.07"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,57,31,20,43,25,29,31,35,33,33,42,58,42,62,33,85,93,93,100,83,106,94,91,100,97,92,85,196,189,618,619,889,879,868,889,1132,1132,6291,6275,29994,1355,29993,29994,29998,29999]} 1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. c3 Be7 8. Bd3 O-O {C10: French with 3 Nc3: Unusual Black 3rd moves and 3...dxe4.} 9. Bg5 {9.Qe2 is the modern continuation.} h6 {[#]} 10. h4 {[%cal Od1e2]} c5 {[#] White is slightly better.} (10... hxg5 11. hxg5 Nh5 12. Rxh5 $18) (10... Qd5 11. c4) 11. dxc5 $1 {[#]} Qd5 $146 {[#]} ({Don't play} 11... hxg5 12. hxg5 g6 13. gxf6 Bxf6 14. Be4 $16) (11... Bxc5 12. Qc2) ({Predecessor:} 11... Bxc5 12. Qe2 e5 13. O-O-O Qb6 14. Nd2 Ng4 15. Ne4 Bxf2 16. Bd2 Be3 17. Bxe3 Qxe3+ 18. Qxe3 Nxe3 {1-0 (41) Arutyunova,D (2362)-Paulet,I (2167) Batumi 2006}) 12. Qe2 $1 {[%cal Oe1c1]} Rd8 {[#]} (12... hxg5 $2 13. hxg5 Rd8 14. gxf6 Bxf6 15. O-O-O Qxc5 16. Bh7+ Kf8 17. Rxd8+ Bxd8 18. Bd3 $18) ({Not} 12... Bxc5 {[#]} 13. O-O-O $1 $16) (12... Bd7 13. b4) 13. O-O-O $1 {[%cal Od3h7] Black must now prevent Bh7+!} Qxa2 (13... hxg5 $2 14. hxg5 Qxc5 15. gxf6 Bxf6 16. Bh7+ Kf8 17. Rxd8+ Bxd8 18. Bc2 $18) (13... Qxc5 14. Ne5) 14. Bb1 {Active counter play!} Rxd1+ (14... Qa5 $1 $14) 15. Rxd1 $16 Qa4 16. Bxf6 Bxf6 17. Qd3 {Inhibits Bd7. White wants to mate with Qh7+.} Kf8 18. Rd2 g6 19. h5 $1 $36 {[%mdl 2048] White is in control.} gxh5 20. g3 {Threatens to win with Qe3.} Qg4 (20... e5 $16 {is a better defense.}) 21. Qe3 {[%mdl 1024] White has strong compensation.} Kg7 $2 (21... a5 22. Qxh6+ Qg7 23. Qxh5 a4) 22. Ne5 $18 Qh3 23. f4 Kf8 24. Qd3 Qh1+ 25. Rd1 Qg2 26. Qh7 {[%csl Ge5][%cal Rh7f7]} Bg7 27. Rd8+ Ke7 {[#]} 28. Qxg7 $1 Kxd8 (28... Qg1+ 29. Kc2) 29. Qf8+ {Weighted Error Value: White=0.03 (flawless) /Black=0.72} 1-0

[Event "20th Prague Open 2022"]
[Site "Prague"]
[Date "2022.01.13"]
[Round "8.2"]
[White "Pijpers, Arthur"]
[Black "Kozak, Antoni"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2485"]
[BlackElo "2356"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2022.01.07"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,104,14,20,21,43,37,36,33,45,32,60,56,152,146,191,180,186,99,104,64,75,14,68,80,85,49,48,54,71,73,73,73,94,91,231,214,211,218,219,203,217,176,267,59,55,70,70,60,64,0,0,0,0,0,0,-422,-400,-504,-502,-471,-402,-392,-386,-466,-370,-509,-472,-569,-558,-547,-521,-695,-525,-826,-808,-731,-731,-1247,-1239,-5004,-4810,-4170,-2372,-6949,-6485,-6270,-2769,-29983,-29984,-29984,-29985,-29983,-29980]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Ne7 6. c3 Nd7 7. O-O h6 8. a4 {B12: Caro-Kann: Advance Variation.} a5 9. Na3 Qb6 10. Nc2 {White is slightly better.} Bh7 {[#]} 11. b4 $146 ({Predecessor:} 11. Nfe1 Rc8 12. Bd3 Bxd3 13. Nxd3 c5 14. dxc5 Nxc5 15. Nxc5 Qxc5 16. Nd4 Nc6 17. Nb5 Nxe5 {1-0 (55) Glatthaar,M (2297)-Sukhodolsky,A (2482) ICCF email 2013}) 11... axb4 12. cxb4 Bxc2 (12... Qc7 $14) 13. Qxc2 $16 Nf5 (13... g5 $16 {keeps fighting.}) 14. a5 $18 Qd8 15. b5 (15. Bd2 $18) 15... c5 $16 16. dxc5 Bxc5 17. Bd2 (17. Qd2 $16) 17... O-O ({Black should play} 17... Nd4 $1 $11 18. Nxd4 Bxd4) 18. Ra4 $14 Be7 19. Bd3 (19. Rc1 {is more complex.} h5 20. h3 Nc5 21. Raa1 Ne4 22. Bd3) 19... Nc5 20. Ra2 Nxd3 21. Qxd3 Qd7 22. Rc1 Rfc8 23. Rxc8+ Rxc8 {[#]} (23... Qxc8 $16 24. g4 Nh4 25. Nxh4 Bxh4) 24. g4 $1 $18 Nh4 25. Nxh4 Bxh4 26. a6 bxa6 27. bxa6 Bg5 {[#]} (27... Bd8 $142) 28. f4 $2 ({Only move:} 28. Bc3 $1 $18) 28... Be7 $14 29. Be3 $1 {a7 is the strong threat.} Qc6 $1 30. Qd4 $1 {aiming for a7.} Qb5 $1 31. Qb2 {To avoid Qb1+} ({Better is} 31. Kg2 $14 Qc6 32. a7) 31... Qd3 $11 32. Qd2 Qb1+ 33. Kg2 Qe4+ 34. Kg3 $2 {[%mdl 8192]} (34. Kf2 $1 $11) 34... Bb4 $19 35. Qd4 {Black must now prevent Qxe4.} Be1+ 36. Rf2 Qxd4 37. Bxd4 {[%mdl 4096] Endgame KRB-KRB} Kf8 38. a7 Ke8 39. h4 Kd7 40. h5 Bxf2+ 41. Kxf2 {KR-KB} Kc6 42. Ke3 Kb7 {Strongly threatening ...g6.} 43. Kd2 Rc4 44. Ke3 g6 45. hxg6 fxg6 46. Bb6 h5 47. gxh5 gxh5 {Hoping for ...h4.} 48. Kf3 h4 {Threatens to win with ...h3.} 49. Kg4 h3 (49... d4 $142 50. Kxh4 d3) 50. Bg1 Rc1 {Black mates.} 51. Bh2 d4 {[%cal Bd5d4,Bd4d3][%mdl 32]} 52. f5 d3 {Both players deserved the win here.  Weighted Error Value: White=0.93/Black=0.33} 0-1

[Event "20th Prague Open 2022"]
[Site "Prague"]
[Date "2022.01.13"]
[Round "8.3"]
[White "Sorm, Daniel"]
[Black "Haring, Filip"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "2348"]
[BlackElo "2398"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2022.01.07"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,80,40,16,17,8,12,-25,-17,-22,-23,-19,-20,-22,0,-39,-27,-36,-34,-95,-95,-104,-105,-229,-171,-161,-110,-110,-110,-111,-104,-110,-111,-122,-123,-117,-111,-108,0,-7,0,0,0,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-29975,-29963]} 1. d4 Nf6 2. Nf3 e6 3. e3 b6 4. Bd3 Bb7 5. O-O c5 6. c4 g6 7. Nc3 Bg7 8. d5 (8. e4 {is interesting.} cxd4 9. Nxd4 O-O 10. Bg5 h6 11. Bh4) 8... exd5 {E14: Queen's Indian: Classical Variation (4 e3).} 9. cxd5 Nxd5 10. Nxd5 Bxd5 {Black has an edge.} 11. Bxg6 $1 hxg6 12. Qxd5 Nc6 {[%cal Bb8c6,Bc6e5,Be5f3][%mdl 32]} 13. e4 Qf6 14. Bg5 Qe6 15. Qd2 Ne5 16. Rad1 (16. Nxe5 $1 $15 Qxe5 17. h4) 16... Nxf3+ $17 17. gxf3 Bd4 {[#]} (17... Qh3 18. Qd6 Qe6 19. Qg3 $15) 18. Qe2 $146 (18. b3 $17) ({Predecessor:} 18. b3 Rh3 19. Qe2 Qe5 20. f4 Qh8 21. e5 Kf8 22. Qe4 Re8 23. Rxd4 cxd4 24. Rd1 {0-1 (38) Hoi,C (2430)-Psakhis,L (2605) Gausdal 1994}) 18... Rh5 (18... Qxa2 19. Be3 $17) 19. Be3 Ke7 ({Stronger than} 19... Qe5 20. f4 Qxe4 21. Rfe1 Bxe3 22. Qxe3 Qxe3 23. Rxe3+ Kd8 24. Red3 $15) (19... Qf6 $19 {( -> ...Qh4)} 20. Rfe1 Be5) 20. Bxd4 cxd4 21. f4 (21. h4 Rxh4) 21... Rah8 {Black is more active.} ({Of course not} 21... Qh3 $6 22. f3 $15) 22. f3 Rxh2 23. Qxh2 Rxh2 24. Kxh2 Qxa2 {[%mdl 4096] Endgame KQ-KRR} 25. Rd2 {[#]} a5 ({Better is} 25... d5 $1 $17 {White must now prevent ...dxe4.} 26. Re1 Qa5) 26. Rfd1 $11 Qb3 27. Kg3 Kf8 28. e5 b5 29. Rxd4 Qxb2 {[%cal Og6g5]} 30. Rxd7 {[%cal Oe5e6] Threatens to win with e6!} g5 31. R1d4 gxf4+ 32. Rxf4 Qxe5 33. Rdxf7+ Ke8 34. Rb7 a4 {And now ...a3 would win.} 35. Kg4 Qe6+ 36. Kg3 {Intending Re4 and mate.} Qe5 37. Kg4 {White threatens Re4 and mate.} Qe6+ 38. Kg3 {White wants to mate with Re4.} Qe1+ 39. Kg4 {Threatening mate with Re4+.} Qg1+ 40. Kf5 $2 {[%mdl 8192] [#]} (40. Kh3 $11) 40... Qc5+ {Weighted Error Value: White=0.36/Black=0.13 (very precise)} 0-1

[Event "20th Prague Open 2022"]
[Site "Prague"]
[Date "2022.01.13"]
[Round "8.4"]
[White "Jurcik, Marian"]
[Black "Hrabusa, Matej"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2397"]
[BlackElo "2369"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2022.01.07"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,102,23,21,15,13,18,29,16,27,13,13,-14,-18,-21,-6,0,-11,-2,-11,-11,-1,-6,0,-10,0,-14,37,24,82,83,85,88,81,88,77,82,66,69,81,90,93,94,89,86,91,62,77,72,103,94,97,79,110,95,110,84,91,91,91,66,101,68,77,75,85,98,80,95,79,62,100,120,201,168,206,177,341,266,919,919,895,1346,1337,1258,992,915,1332,908,29969,29970,29970,29973,29972,29973,29973]} 1. e4 c5 2. Nc3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. d4 cxd4 6. Qxd4 {B23: Closed Sicilian: Lines without g3.} Nc6 7. Qd3 Rc8 8. Nf3 {White has an edge.} g6 9. Nd5 Bg7 {[#]} 10. c3 $146 ({Predecessor:} 10. O-O Nf6 11. Bg5 Nh5 12. c3 h6 13. Be3 O-O 14. Rad1 Rfd8 15. Qe2 e6 16. Nf4 Nxf4 17. Bxf4 {½-½ (35) Carnevale,R (2179)-Mostowik,D (2136) ICCF email 2012}) 10... e6 11. Nf4 Nge7 12. Be3 O-O 13. Rd1 Rfd8 14. O-O Qc7 15. Qb5 Rd7 16. Rd3 Rcd8 17. Rfd1 a6 (17... b6 $11) 18. Qb3 $14 Nc8 {To avoid Bb6} (18... Qc8 $1 $11) 19. Ng5 {[%cal Og5e6]} Ne5 {[#]} 20. Nfxe6 $1 {White is much more active.} fxe6 21. Nxe6 Qc4 22. Qxc4 Nxc4 23. Nxd8 Rxd8 24. Bc1 Re8 25. f3 b5 26. Kf1 Kf7 27. Re1 Ke6 28. f4 Rf8 29. Ke2 N4b6 30. Red1 Kd7 31. b3 Kc6 32. Be3 Re8 33. Kf3 Nd7 {[%cal Og6g5]} 34. Bd4 Bh8 35. Bxh8 Rxh8 36. e5 (36. Rd5 {feels hotter.} Rf8 37. g3 Ne5+ 38. Kg2 Nd7 39. R5d4) 36... Rf8 {White must now prevent ...Nxe5+.} 37. Rxd6+ Nxd6 38. Rxd6+ $16 {[%mdl 4096] Endgame KRN-KR} Kc7 {aiming for ...Nxe5+.} 39. Ke4 {[%mdl 1024] White has strong compensation.} (39. Rxa6 Nxe5+ 40. Ke3 Ng4+ 41. Ke4 Nf6+ 42. Kd4 Rd8+ 43. Kc5 Ne4+ 44. Kxb5 Nxc3+ 45. Kc5 Ne4+ 46. Kc4 Rd2 $15) 39... Nc5+ {[#]} 40. Kd5 $1 Nd7 (40... Nd3 $16 {was called for.}) 41. g3 g5 42. Ke6 ({Don't play} 42. fxg5 $6 Rf2 $16) 42... Nb8 (42... Nb6) 43. Ke7 ({Not} 43. fxg5 Rf3 $16) 43... Rh8 (43... Rc8 44. Rh6 (44. fxg5 Nc6+ 45. Kf6 Rg8 $16) 44... gxf4) 44. f5 $18 {f6 is the strong threat.} Nc6+ {[#]} 45. Rxc6+ $1 {[%mdl 512]} Kxc6 {KR-KP} 46. f6 {Hoping for e6.} Kd5 47. e6 Ke5 48. f7 Ra8 49. f8=Q {White mates.} Rxf8 50. Kxf8 Kxe6 51. Kg7 Kd5 {Weighted Error Value: White=0.11 (very precise) /Black=0.38} 1-0

[Event "20th Prague Open 2022"]
[Site "Prague"]
[Date "2022.01.13"]
[Round "8.5"]
[White "Mikes, Jan"]
[Black "Czerw, Dawid"]
[Result "1/2-1/2"]
[ECO "A16"]
[WhiteElo "2329"]
[BlackElo "2396"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2022.01.07"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,83,16,0,27,29,18,-84,-84,-95,-83,-83,-87,-92,-85,-90,-77,-92,-25,-22,-21,-36,0,0,0,0,18,-7,20,-34,43,-42,0,-65,-61,-63,-62,-69,-57,-58,-21,-46,-31,-26,0,0,0,0,-8,-15,22,6,87,102,65,100,98,87,77,64,50,-102,-194,-196,-178,-163,0,-6,-35,0,-26,-340,-118,-193,-167,-211]} 1. c4 Nf6 2. Nc3 c6 3. Nf3 d5 4. e3 e6 5. b3 Nbd7 6. Bb2 Be7 {A11: English Opening: 1...c6.} 7. Qc2 O-O 8. g4 (8. d4 $11) 8... Nxg4 $17 {Black is better.} 9. Rg1 Nge5 10. Nxe5 Nxe5 {[#]} 11. O-O-O $146 {[%cal Oc3d5]} ({Predecessor:} 11. Be2 f6 12. f4 Ng6 13. O-O-O b6 14. Bg4 Re8 15. cxd5 cxd5 16. Kb1 b5 {1-0 (16) Rodriguez Gonzalez,A (1959)-Uribe Etxeberria Arregui,I (1655) Getxo 2019}) 11... Ng6 12. d4 f5 13. Bd3 b5 (13... dxc4 $17 14. Bxc4 Bd6) 14. cxb5 $11 cxb5 15. Bxb5 (15. Nxb5 {seems wilder.} Bd7 16. Kb1 Rb8 17. Nc3 Qa5 18. Rc1) 15... Bd7 16. Bxd7 Qxd7 17. Kb1 Rac8 18. Qd3 Bd6 19. Na4 (19. f4 $11) 19... Qe7 (19... Bxh2 $15 20. Rh1 (20. Nc5 Qe7 $11) 20... Bd6) 20. Nc5 (20. f4 $1 $14) 20... e5 (20... Bxc5 21. dxc5 f4 22. Qa6 $14) (20... Bxh2 $15 {should be considered.} 21. Rh1 Bd6) 21. b4 (21. Na4 $11 e4 22. Qb5) 21... e4 $15 22. Qb3 Qf7 23. b5 Bxh2 (23... Bxc5 24. dxc5 Rxc5 25. Ba3 $16) 24. Rh1 Bb8 25. Rdg1 Rcd8 26. a4 {[%cal Ba2a4,Ba4a5,Ba5a6][%mdl 32]} Rfe8 27. Na6 Bd6 28. Rc1 f4 29. a5 Bb8 30. Ba3 Nf8 (30... h6 $11 {remains equal.}) 31. Nxb8 $16 Rxb8 32. Bd6 {[%csl LRb8,LRf4]} Rb7 33. a6 (33. exf4 $6 Ne6 34. Be5 (34. Qxd5 Nxd4 35. Qxf7+ Kxf7 $15) 34... Qd7 $11) (33. Bxf4 $6 Ne6 $11) 33... Rb6 34. Rc7 {White is much more active.} Nd7 $1 35. Qb4 (35. Bc5 $14 {keeps the upper hand.} fxe3 36. Bxb6 (36. Rxa7 $2 exf2 37. Ka2 Rh6 $19) 36... exf2 37. Bxa7 (37. Qh3 Qg6 $17) 37... f1=Q+ 38. Rxf1 Qxf1+ 39. Rc1) 35... fxe3 $17 36. fxe3 Reb8 37. Rhc1 {[#] Rc8+ is the strong threat.} ({Avoid the trap} 37. Rxa7 $2 Rxb5 38. Rb7 R8xb7 39. axb7 Rxb4+ $19) 37... h6 $2 ({Black should try} 37... Qe8 $1 $19 38. Ka2 (38. Rxa7 $2 Rxb5 39. Rb7 Rxb4+ $19) 38... Rxb5) 38. Rc8+ $11 Rxc8 39. Rxc8+ Kh7 40. Bf4 $2 {[%mdl 8192]} (40. Rc1 $11) 40... Qg6 $2 (40... Qh5 $19 {has better winning chances. Hoping for ...Qe2.} 41. Rc2 Qd1+ 42. Kb2 Qf1) 41. Rc7 (41. Qb3 $17 {might work better.}) 41... Qg1+ $19 42. Ka2 {Weighted Error Value: White=0.38/Black=0.33} (42. Rc1 $142 Qg2 43. Bc7) 1/2-1/2

[Event "20th Prague Open 2022"]
[Site "Prague"]
[Date "2022.01.13"]
[Round "8.6"]
[White "Mannion, Stephen R"]
[Black "Plischki, Sebastian"]
[Result "1/2-1/2"]
[ECO "B41"]
[WhiteElo "2267"]
[BlackElo "2375"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2022.01.07"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,85,26,29,25,45,1,1,12,7,-16,0,-14,-5,-33,-37,-33,-29,-34,-50,-67,-63,-125,-117,-132,-131,-139,-137,-131,-135,-129,-129,-124,-129,-132,-125,-141,-142,-153,-122,-166,-135,-145,-159,-153,-138,-158,-159,-161,-164,-166,-139,-197,-191,-185,-205,-187,-175,-238,-206,-193,-191,-196,-189,-187,-194,-190,-190,-204,-204,-204,-187,-213,-8,-8,-8,-8]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Bb4 7. Qd3 {B41: Sicilian: Kan Variation: 5 c4.} O-O 8. Be2 (8. e5 $14 {is more appropriate.} Ng4 9. Qg3) 8... d6 $11 9. O-O Nbd7 10. f3 Ne5 11. Qd1 Qc7 {[#]} 12. Be3 $146 ({Predecessor:} 12. Na4 Bd7 13. Be3 Qa5 14. b3 Bxa4 15. bxa4 d5 16. cxd5 exd5 17. Nb3 Qxa4 18. Bd4 {0-1 (71) Quparadze,G (2506)-Svidler,P (2765) Riadh 2017}) 12... Bxc3 13. bxc3 Nxc4 14. Bxc4 Qxc4 15. Qb3 Qc7 16. Rfd1 (16. Qa3 $15) 16... e5 17. Ne2 Be6 18. Qb6 Qxb6 19. Bxb6 d5 20. Bc7 dxe4 21. Bxe5 exf3 22. gxf3 Nd5 23. Kf2 Rac8 24. Rdb1 b6 25. Rg1 (25. Nf4 $17) 25... g6 {[%cal Bg7g6,Bg6g5][%mdl 32]} 26. h4 f6 27. Bd4 Kf7 28. h5 g5 ({Inferior is} 28... gxh5 29. Rh1 $11) 29. a4 Rc4 30. Rgb1 Rb8 31. Rb3 (31. Rb2 $17 {was worth a try.}) 31... Bd7 $19 32. a5 {[%cal Ra5b6]} b5 33. Ng3 f5 {[%cal Bf6f5,Bf5f4][%mdl 32] Inhibits Ne4.} 34. Nf1 (34. Rd1 {is a better defense.}) 34... Rbc8 {[%cal Rd5c3]} 35. Ne3 Nxe3 36. Kxe3 Re8+ 37. Kf2 f4 38. Rbb1 h6 39. Rb4 Be6 40. Re1 Rxb4 41. cxb4 Bc4 $2 {[#]} (41... Rd8 $19 42. Re4 Rd6) 42. Rxe8 $11 Kxe8 43. Bg7 {Weighted Error Value: White=0.14 (very precise) /Black=0.16 (very precise)} 1/2-1/2

[Event "20th Prague Open 2022"]
[Site "Prague"]
[Date "2022.01.13"]
[Round "8.7"]
[White "Van Osch, Mees"]
[Black "Carlsson, Ludvig"]
[Result "1/2-1/2"]
[ECO "C47"]
[WhiteElo "2364"]
[BlackElo "2355"]
[Annotator "ChessBase"]
[PlyCount "31"]
[EventDate "2022.01.07"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:03]} e5 {[%emt 0:00:11]} 2. Nf3 {[%emt 0:00:05]} Nc6 {[%emt 0:00:08]} 3. Nc3 {[%emt 0:00:57]} Nf6 {[%emt 0:00:10]} 4. h3 {[%emt 0:00:32]} d5 {[%emt 0:00:44]} 5. exd5 {[%emt 0:00:15]} Nxd5 {[%emt 0:00:07]} 6. Bb5 {[%emt 0:00:07]} Nxc3 {[%emt 0:00:08]} 7. bxc3 {[%emt 0:00:06]} Bd6 {[%emt 0:00:11]} 8. O-O {[%emt 0:00:15]} O-O {[%emt 0:00:11]} 9. Re1 {[%emt 0:00:12]} Qf6 {[%emt 0:06:49]} 10. d4 {[%emt 0:00:11]} exd4 {[%emt 0:00:10]} 11. cxd4 {[%emt 0:00:04]} a6 {[%emt 0:10:04]} 12. Bd3 {[%emt 0:05:59]} Bf5 {[%emt 0:00:43]} 13. Rb1 {[%emt 0:11:13]} Bxd3 {[%emt 0:20:11]} 14. Qxd3 {[%emt 0:00:52]} b6 {[%emt 0:00:34]} 15. Bd2 {[%emt 0:10:38]} Qg6 {[%emt 0:04:26]} 16. Qxg6 {[%emt 0:02:15]} 1/2-1/2

[Event "20th Prague Open 2022"]
[Site "Prague"]
[Date "2022.01.13"]
[Round "8.8"]
[White "Lim, Zhuo Ren"]
[Black "Vojta, Jakub"]
[Result "0-1"]
[ECO "D23"]
[WhiteElo "2311"]
[BlackElo "2289"]
[Annotator "ChessBase"]
[PlyCount "86"]
[EventDate "2022.01.07"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:02:45]} Nf6 {[%emt 0:00:04]} 2. Nf3 {[%emt 0:00:13]} d5 {[%emt 0:00:05]} 3. c4 {[%emt 0:00:10]} dxc4 {[%emt 0:00:05]} 4. g3 {[%emt 0:00:08]} g6 {[%emt 0:03:51]} 5. Bg2 {[%emt 0:00:22]} Bg7 {[%emt 0:00:02]} 6. O-O {[%emt 0:00:35]} O-O {[%emt 0:00:03]} 7. Na3 {[%emt 0:00:22]} Nc6 {[%emt 0:00:06]} 8. Nxc4 {[%emt 0:00:38]} Be6 {[%emt 0:00:02]} 9. b3 {[%emt 0:01:48]} Bd5 {[%emt 0:00:03]} 10. Bb2 {[%emt 0:00:28]} a5 {[%emt 0:00:03]} 11. e3 {[%emt 0:06:28]} a4 {[%emt 0:03:09]} 12. Qe2 {[%emt 0:04:25]} Ra6 {[%emt 0:14:13]} 13. Rfd1 {[%emt 0:11:22]} Qa8 {[%emt 0:02:34]} 14. Ncd2 {[%emt 0:03:36]} Ne4 {[%emt 0:04:47]} 15. Ng5 {[%emt 0:26:18]} a3 {[%emt 0:10:12]} 16. Ndxe4 {[%emt 0:00:16]} axb2 {[%emt 0:00:02]} 17. Qxb2 {[%emt 0:00:05]} Nd8 {[%emt 0:04:48]} 18. Nc3 {[%emt 0:03:23]} Bxg2 {[%emt 0:00:55]} 19. Kxg2 {[%emt 0:00:02]} b5+ {[%emt 0:00:49]} 20. f3 {[%emt 0:02:41]} b4 {[%emt 0:03:37]} 21. Na4 {[%emt 0:00:25]} Qd5 {[%emt 0:13:39]} 22. Ne4 {[%emt 0:01:28]} f5 {[%emt 0:01:10]} 23. Nec5 {[%emt 0:02:09]} Ra5 {[%emt 0:08:01]} 24. Qe2 {[%emt 0:01:36]} Nf7 {[%emt 0:05:10]} 25. Rac1 {[%emt 0:02:11]} Nd6 {[%emt 0:03:00]} 26. Nd7 {[%emt 0:01:38]} Rd8 {[%emt 0:01:45]} 27. Rc5 {[%emt 0:01:13]} Rxc5 {[%emt 0:02:07]} 28. dxc5 {[%emt 0:02:17]} Qc6 {[%emt 0:00:22]} 29. cxd6 {[%emt 0:00:19]} Rxd7 {[%emt 0:00:06]} 30. dxe7 {[%emt 0:01:30]} Rxe7 {[%emt 0:00:08]} 31. Rd8+ {[%emt 0:01:22]} Kf7 {[%emt 0:00:22]} 32. Kf2 {[%emt 0:01:43]} Bf6 {[%emt 0:02:04]} 33. Qd3 {[%emt 0:03:39]} Kg7 {[%emt 0:00:36]} 34. Qd5 {[%emt 0:01:30]} Qc1 {[%emt 0:01:50]} 35. Qg8+ {[%emt 0:11:15]} Kh6 {[%emt 0:00:02]} 36. Qf8+ {[%emt 0:00:03]} Kh5 {[%emt 0:06:30]} 37. g4+ {[%emt 0:02:36]} fxg4 {[%emt 0:00:44]} 38. fxg4+ {[%emt 0:00:59]} Kxg4 {[%emt 0:00:56]} 39. h3+ {[%emt 0:01:14]} Kxh3 {[%emt 0:00:57]} 40. Qh6+ {[%emt 0:01:28]} Bh4+ {[%emt 0:00:06]} 41. Ke2 {[%emt 0:30:20]} Qe1+ {[%emt 0:31:51]} 42. Kd3 {[%emt 0:00:45]} Qd1+ {[%emt 0:01:30]} 43. Kc4 {[%emt 0:00:03]} Qxd8 {[%emt 0:00:24]} 0-1

[Event "20th Prague Open 2022"]
[Site "Prague"]
[Date "2022.01.13"]
[Round "8.9"]
[White "Soucek, Petr"]
[Black "Torngren, Gustav"]
[Result "0-1"]
[ECO "C77"]
[WhiteElo "2117"]
[BlackElo "2228"]
[Annotator "TA"]
[PlyCount "162"]
[EventDate "2022.01.07"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,162,25,27,33,16,25,12,3,10,30,30,33,0,29,14,28,37,34,45,40,26,43,0,0,0,0,0,0,-4,0,0,0,0,0,0,11,0,0,0,9,-7,14,0,0,-1,2,0,4,1,8,1,5,7,4,0,0,-27,0,0,0,-9,0,-12,0,-21,-14,-23,-16,-24,-23,-28,0,-8,0,0,0,0,0,-11,0,0,0,-7,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,0,0,0,0,0,0,0,-12,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-9,0,0,0,-12,0,0,0,0,0,0,0,-6,-7,-7,-7,-7,-8,-9,0,0,0,-18,0,-35,-35,-430,-391,-29981,-29981]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 Bd6 6. c3 O-O {C77: Ruy Lopez: 3...a6 4 Ba4 Nf6, unusual lines.} 7. O-O Re8 8. Nbd2 Bf8 {The position is equal.} 9. Re1 b5 10. Bc2 d5 11. Nf1 Bb7 12. Qe2 dxe4 13. dxe4 Na5 {[#]} 14. Bg5 $146 ({Predecessor:} 14. Ng3 g6 15. h4 c5 16. h5 Qc7 17. b3 Rad8 18. Bg5 Bg7 19. hxg6 hxg6 {1-0 (37) Zapata,A-Chavez Yanchapaxi,E (1994) Cuenca 2006}) 14... h6 {[#]} 15. Rad1 $1 Qe7 16. Bc1 (16. Bh4 $14) 16... Qe6 $11 17. Bb1 Nc4 18. N3d2 {[%cal Bf3d2,Bd2f1,Bf1g3,Bg3f5][%mdl 32]} Nd6 19. Ng3 Nd7 20. Nf5 Nc5 21. Nxd6 Bxd6 22. Nf1 Be7 23. Ng3 Rad8 24. Nf5 Bf8 25. f3 Kh7 26. Rxd8 Rxd8 27. Rd1 Qe8 28. Bc2 Ne6 29. g3 c6 30. Kg2 g6 {Threatens to win with ...Rxd1.} 31. Ne3 h5 {To avoid Ng4} 32. Bb3 Bc8 33. Nf1 Bc5 34. Be3 Rxd1 35. Qxd1 {Strongly threatening Bxe6.} Qe7 36. Qd3 Kg7 37. h4 Bxe3 38. Qxe3 Nc5 39. Qd2 a5 40. Kf2 (40. Bd1 {looks sharper.} Be6 41. a3 a4 42. Kf2 Bc4 43. Be2) 40... Nxb3 41. axb3 Be6 42. b4 a4 43. Kg2 Kf8 44. Kf2 Bb3 45. Ne3 Ke8 46. Nf1 Bc4 47. Ne3 Be6 48. Nc2 Bb3 49. Ne3 Qe6 50. Kg2 Ke7 51. Nf1 Bc4 52. Ne3 Ba2 53. Nc2 Ke8 54. Ne1 Bc4 55. Nc2 Qe7 56. Ne3 Be6 57. Nf1 Kf8 58. Qh6+ Kg8 59. Qd2 Kh7 60. Kf2 Kg7 61. Kg2 Kh7 62. Kf2 f6 63. Qd1 Kg7 64. Qd2 Bf7 65. Kg2 Qe6 66. Ne3 Qa2 67. Qc2 Bb3 68. Qf2 $1 Bf7 69. Qc2 Kh7 70. Qf2 Qb1 71. Qd2 Kg7 72. Nd1 Be6 73. Ne3 Kf7 74. Nd1 Ke7 75. Ne3 Qa2 {aiming for ...a3.} 76. Qc2 Bb3 77. Qf2 $1 Be6 78. Qc2 g5 79. Qf2 Qb1 {...g4 is the strong threat.} 80. Qc2 $2 {[%mdl 8192] [#]} (80. hxg5 $15 fxg5 81. Qe2) 80... Qe1 $1 $19 {[%csl LRe3,LRh4]} 81. Qf2 $2 {[#]} (81. Qd3 $19 Bh3+ 82. Kh2 gxh4 83. gxh4 Qxh4 84. Qe2) 81... Bh3+ $1 {[%mdl 512] Weighted Error Value: White=0.05 (flawless) /Black=0.04 (flawless)} 0-1

[Event "20th Prague Open 2022"]
[Site "Prague"]
[Date "2022.01.13"]
[Round "8.10"]
[White "Koubova, Anna Marie"]
[Black "Bochnicka, Vladimir"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "2148"]
[BlackElo "2222"]
[Annotator "ChessBase"]
[PlyCount "61"]
[EventDate "2022.01.07"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:09]} f5 {[%emt 0:00:05]} 2. Nc3 {[%emt 0:00:16]} Nf6 {[%emt 0:00:17]} 3. Bg5 {[%emt 0:00:22]} e6 {[%emt 0:00:44]} 4. e4 {[%emt 0:00:47]} fxe4 {[%emt 0:02:34]} 5. Nxe4 {[%emt 0:00:51]} Be7 {[%emt 0:00:20]} 6. Bxf6 {[%emt 0:01:07]} Bxf6 {[%emt 0:00:12]} 7. Nf3 {[%emt 0:01:04]} O-O {[%emt 0:11:45]} 8. Bd3 {[%emt 0:08:56]} Nc6 {[%emt 0:11:15]} 9. Nxf6+ {[%emt 0:02:15]} Qxf6 {[%emt 0:00:44]} 10. O-O {[%emt 0:00:22]} b6 {[%emt 0:03:08]} 11. c3 {[%emt 0:06:54]} Bb7 {[%emt 0:04:23]} 12. Qc2 {[%emt 0:00:40]} g6 {[%emt 0:01:44]} 13. Be4 {[%emt 0:06:21]} d5 {[%emt 0:20:49]} 14. Bd3 {[%emt 0:00:38]} e5 {[%emt 0:00:10]} 15. Nxe5 {[%emt 0:01:56]} Nxe5 {[%emt 0:00:14]} 16. dxe5 {[%emt 0:00:09]} Qxe5 {[%emt 0:00:11]} 17. Rae1 {[%emt 0:02:06]} Qf6 {[%emt 0:00:54]} 18. Re3 {[%emt 0:07:45]} Rae8 {[%emt 0:04:14]} 19. Rfe1 {[%emt 0:19:37]} Qf7 {[%emt 0:07:38]} 20. h4 {[%emt 0:04:52]} Kg7 {[%emt 0:11:08]} 21. h5 {[%emt 0:02:35]} Bc6 {[%emt 0:02:42]} 22. hxg6 {[%emt 0:04:34]} hxg6 {[%emt 0:00:36]} 23. R1e2 {[%emt 0:00:51]} g5 {[%emt 0:08:57]} 24. Rh3 {[%emt 0:12:03]} Rh8 {[%emt 0:00:49]} 25. Qd2 {[%emt 0:02:50]} Qf6 {[%emt 0:02:06]} 26. Rxe8 {[%emt 0:03:03]} Bxe8 {[%emt 0:01:18]} 27. Rg3 {[%emt 0:02:10]} Kh6 {[%emt 0:00:25]} 28. Qe3 {[%emt 0:01:32]} Bd7 {[%emt 0:02:25]} 29. Rf3 {[%emt 0:01:14]} Qd6 {[%emt 0:00:46]} 30. Rf7 {[%emt 0:01:19]} c5 {[%emt 0:01:03]} 31. Qf3 {[%emt 0:03:36]} 1-0

[Event "20th Prague Open 2022"]
[Site "Prague"]
[Date "2022.01.13"]
[Round "8.11"]
[White "Jordanov, Mihail"]
[Black "Neuman, Petr"]
[Result "1/2-1/2"]
[ECO "B61"]
[WhiteElo "2193"]
[BlackElo "2402"]
[Annotator "ChessBase"]
[PlyCount "46"]
[EventDate "2022.01.07"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:04]} c5 {[%emt 0:00:05]} 2. Nf3 {[%emt 0:00:04]} d6 {[%emt 0:00:04]} 3. d4 {[%emt 0:00:06]} cxd4 {[%emt 0:00:03]} 4. Nxd4 {[%emt 0:00:06]} Nf6 {[%emt 0:00:04]} 5. Nc3 {[%emt 0:00:06]} Nc6 {[%emt 0:00:03]} 6. Bg5 {[%emt 0:00:05]} Bd7 {[%emt 0:00:05]} 7. Qd2 {[%emt 0:00:14]} Rc8 {[%emt 0:00:14]} 8. Nxc6 {[%emt 0:00:11]} bxc6 {[%emt 0:02:17]} 9. Bc4 {[%emt 0:04:13]} h6 {[%emt 0:02:45]} 10. Bxf6 {[%emt 0:01:51]} exf6 {[%emt 0:05:25]} 11. O-O {[%emt 0:09:43]} Be7 {[%emt 0:00:06]} 12. Qd3 {[%emt 0:05:24]} O-O {[%emt 0:01:09]} 13. f4 {[%emt 0:01:46]} f5 {[%emt 0:08:43]} 14. e5 {[%emt 0:04:35]} d5 {[%emt 0:05:10]} 15. Bb3 {[%emt 0:00:20]} Be6 {[%emt 0:00:11]} 16. Rad1 {[%emt 0:08:37]} Qb6+ {[%emt 0:02:22]} 17. Kh1 {[%emt 0:00:15]} Rfd8 {[%emt 0:00:10]} 18. Qe2 {[%emt 0:08:08]} a5 {[%emt 0:01:44]} 19. Na4 {[%emt 0:01:27]} Qb7 {[%emt 0:07:17]} 20. Rfe1 {[%emt 0:03:49]} c5 {[%emt 0:05:00]} 21. c4 {[%emt 0:05:46]} d4 {[%emt 0:00:37]} 22. Bc2 {[%emt 0:02:59]} g6 {[%emt 0:00:41]} 23. b3 {[%emt 0:01:02]} Kg7 {[%emt 0:02:43]} 1/2-1/2

[Event "20th Prague Open 2022"]
[Site "Prague"]
[Date "2022.01.13"]
[Round "8.12"]
[White "Blahynka, Martin"]
[Black "Kudrytskyi, Stanislav"]
[Result "1-0"]
[ECO "A21"]
[WhiteElo "2399"]
[BlackElo "2057"]
[Annotator "TA"]
[PlyCount "125"]
[EventDate "2022.01.07"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,125,9,28,-12,-1,-13,7,0,0,2,20,2,19,10,27,34,30,26,30,25,20,21,26,3,46,32,67,62,72,58,110,68,88,58,27,-1,96,-15,-25,-11,-14,-72,-72,-157,-122,-129,-135,-131,0,0,0,-49,-49,-57,-60,-227,0,-10,0,0,0,0,0,0,10,16,27,17,17,0,155,97,77,0,139,120,121,50,35,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,261,67,60,49,4133,3155,1267,1229,988,957,29962,889,29986,29986,29986,29987,29993,29993]} 1. c4 e5 2. Nc3 Bb4 3. Nd5 Bc5 4. e3 c6 5. Nc3 Nf6 6. a3 {A21: English Opening: 1...e5 2 Nc3.} d5 {[#]} 7. cxd5 $146 ({Predecessor:} 7. b4 Bd6 8. Nf3 O-O 9. Be2 a5 10. c5 axb4 11. cxd6 bxc3 12. dxc3 Qxd6 13. c4 {0-1 (48) Maggi,L (1906)-Napoli,N (2389) Frascati 2009}) 7... cxd5 8. d4 {The position is equal.} exd4 9. exd4 Be7 10. Bd3 O-O 11. Nge2 Na6 12. O-O Nc7 13. Bf4 Bd7 14. h3 Bc6 15. b4 a6 {Inhibits b5.} 16. Qb3 Qd7 (16... Bd6 $11 {is superior.}) 17. Rfe1 b5 18. Be5 Nfe8 19. Nf4 Rd8 (19... Bg5 $14) 20. Nce2 {White is much more active.} (20. a4 $16) 20... Nd6 (20... f6 $2 21. Qc2 $1 f5 22. Rac1 $18) 21. Qc2 g6 $1 22. Ng3 {[%cal Og3h5]} Nc4 {[#]} (22... Nce8 $11) 23. Nfh5 f5 $11 24. Nf4 Bd6 25. Bxc4 (25. Rad1 $11 {remains equal.}) 25... dxc4 $17 26. d5 ({Better is} 26. Rad1) 26... Bxd5 (26... Nxd5 27. Bxd6 Qxd6 28. Ne6 $15) 27. Rad1 {[#]} Bxe5 $1 28. Rxe5 Qg7 29. Rexd5 $11 Nxd5 30. Rxd5 (30. Nxd5 $11 Qf7 31. Nc3) 30... Rxd5 $15 31. Nxd5 Qe5 32. Nc3 {[#]} (32. Qd2 $1 $15) 32... Rd8 $2 (32... Qe1+ $1 $19 33. Kh2 Rd8) 33. Nge2 Rd3 34. a4 f4 35. axb5 axb5 36. f3 Qe3+ 37. Kf1 Qe5 (37... Rd2 38. Qb1 $16 (38. Qe4 Qxe4 39. fxe4 g5 $11)) 38. Qc1 g5 39. Qa1 Qe7 $2 (39... h5 $11) 40. Qa8+ ({White should play} 40. Nxb5 Qxb4 41. Nbc3) 40... Kg7 $16 41. Qa1 (41. Qb8 $142 Qe3 42. Qb7+ (42. Qxb5 Rxc3 43. Qxg5+ Kf7 $16) 42... Kg8 43. Qc8+ (43. Qxb5 Rxc3 44. Qxg5+ Kf7 $16) 43... Kg7 44. Qb7+ Kg8 45. Qxb5 Rxc3 46. Qxg5+ (46. Nxc3 Qc1+ 47. Kf2 Qe3+ 48. Kf1 Qc1+ 49. Kf2 Qe3+ 50. Kf1 $11) 46... Kf7 47. Qf5+ (47. Nxc3 Qc1+ 48. Nd1 Qxd1+ 49. Kf2 Qd2+ 50. Kf1 Qd1+ 51. Kf2 Qd2+ 52. Kf1 Qd1+ $11) 47... Kg8 48. Qg5+ (48. Nxc3 Qxc3 49. Qg4+ Kh8 $16) 48... Kf7 49. Qf5+ (49. Nxc3 Qc1+ 50. Kf2 Qe3+ 51. Kf1 Qc1+ 52. Nd1 Qxd1+ 53. Kf2 Qd2+ 54. Kf1 Qd1+ 55. Kf2 Qd2+ 56. Kf1 Qd1+ $11) 49... Kg7 50. Nxc3 (50. Qg5+ Kf7 $16) 50... Qxc3 51. Qg5+ (51. Qxf4 Qa1+ 52. Kf2 Qb2+ 53. Kg3 Qxb4 $16) 51... Kh8 52. Qxf4 Qxb4 53. Qd4+ Kg8 54. h4) 41... Kg8 $1 42. Ne4 {And now Kg1 would win.} Qxb4 43. Kg1 ({But not} 43. Nxg5 $2 Qa4 44. Qxa4 (44. Qe5 $2 Rd1+ 45. Kf2 Qa7+ 46. Nd4 Qxd4+ $19) 44... bxa4 $19) ({Don't take} 43. Nf6+ $6 Kf7 44. Ne4 (44. Ng4 Rd2 $11) 44... Qe7 $14) (43. N2c3 $16) 43... Qe7 $1 $14 44. Qa6 {[%mdl 1024] White has compensation.} Qe5 45. Kh2 {Hoping for Qh6.} Kg7 {To avoid Qh6+} 46. Qb7+ Kg8 47. Qa8+ Kg7 48. Qa7+ Kg8 49. Qa5 h5 50. Qa8+ Kg7 51. Qb7+ Kg8 52. Qc8+ Kg7 53. h4 gxh4 54. Ng1 {Really sharp!} Qe7 {[%mdl 8192] Prevents Qb7.} (54... Rd4 $11 {and Black is okay.} 55. Qb7+ Kh8 56. Qc8+ Kh7 57. Qb7+ Kg8 58. Qc8+ Kh7 59. Qb7+ Kg8 60. Qc8+ Kh7) 55. Nh3 $2 (55. Qc6 $18) 55... Rd5 $1 56. Nxf4 {Pair of Knights!} Qe5 $2 {[%mdl 8192]} (56... Re5 $14) 57. Qb7+ $18 Kf8 58. Qxd5 Qxf4+ 59. Kh3 Qb8 60. Qf5+ (60. Qc5+ $142 Ke8 61. Qxh5+ Ke7 62. Qc5+ Ke6 63. Kg4 Qg8+ 64. Ng5+ Kd7 65. Qxb5+ Kd6 66. Kxh4) 60... Ke7 61. Qf6+ {White mates.} Kd7 62. Nc5+ Ke8 63. Qh8+ {Weighted Error Value: White=0.30/Black=0.51} 1-0

[Event "20th Prague Open 2022"]
[Site "Prague"]
[Date "2022.01.13"]
[Round "8.13"]
[White "Cornelisse, John"]
[Black "Fus, Jakub"]
[Result "0-1"]
[ECO "E47"]
[WhiteElo "2173"]
[BlackElo "2384"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2022.01.07"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,56,33,34,22,29,24,18,32,25,-15,54,43,50,51,58,46,72,0,0,0,0,0,0,-68,-62,-64,-53,-48,-52,-52,-57,-57,-39,-40,19,-158,-145,-442,-433,-440,-420,-399,-395]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 {[%cal Bg1f3,Bf3d2,Bd2f1,Bf1e3,Be3g2][%mdl 32]} Nc6 7. O-O Bxc3 {7...Bxc3 scores better than 7...d5.} 8. bxc3 d6 9. Re1 {E41: Nimzo-Indian: Rubinstein: 4...c5 5 Bd3, including Hübner Variation.} e5 {[#] Strongly threatening ...e4.} 10. d5 Ne7 {And now ...e4 would win.} 11. Nd2 {To avoid e4. The position is equal.} Ng6 12. g3 Re8 (12... h6 $11) 13. e4 $14 {[#]} h6 $146 ({Predecessor:} 13... Bg4 14. f3 Bh3 15. Rb1 Qd7 16. Nf1 h5 17. Ne3 Nh7 18. Rb2 Rf8 19. Rf2 Rae8 {1-0 (42) Kovacs,G (2461)-Kvetny,M (2245) Germany 2012}) 14. Nf1 Nh7 15. Ne3 Ne7 16. f4 (16. a4 $16) 16... exf4 $11 17. gxf4 Ng6 $1 18. Ng2 {[%cal Oe4e5]} Qf6 {Inhibits e5.} 19. Qc2 ({White should play} 19. Rf1 $11) 19... Bh3 $15 {aiming for ...Bxg2.} 20. Rf1 Nhf8 {Black is more active.} 21. Rf2 Nh4 22. Nxh4 Qxh4 23. Be3 Nd7 24. Rf3 Nf6 (24... f5 $15) 25. Kh1 $2 {[#]} (25. Bf2 $1 $11 Qh5 26. Rg3) 25... Bg4 26. Rff1 {[%mdl 8192]} (26. Rg3 $17 b5 27. Rag1 (27. cxb5 c4 $17) 27... bxc4 28. Be2 Rxe4 29. Bxg4 Rxe3 30. Rxe3 Nxg4 31. Reg3) 26... Qh3 $19 27. Rae1 Bf3+ 28. Rxf3 Qxf3+ {Weighted Error Value: White=0.40/Black=0.15 (very precise)} 0-1

[Event "20th Prague Open 2022"]
[Site "Prague"]
[Date "2022.01.13"]
[Round "8.14"]
[White "Grutter, Tim"]
[Black "Acor, Corey"]
[Result "1/2-1/2"]
[ECO "C82"]
[WhiteElo "2194"]
[BlackElo "2303"]
[Annotator "ChessBase"]
[PlyCount "73"]
[EventDate "2022.01.07"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:02]} e5 {[%emt 0:03:37]} 2. Nf3 {[%emt 0:00:07]} Nc6 {[%emt 0:00:05]} 3. Bb5 {[%emt 0:00:05]} a6 {[%emt 0:01:41]} 4. Ba4 {[%emt 0:00:07]} Nf6 {[%emt 0:00:38]} 5. O-O {[%emt 0:00:06]} Nxe4 {[%emt 0:00:12]} 6. d4 {[%emt 0:02:15]} b5 {[%emt 0:00:14]} 7. Bb3 {[%emt 0:00:13]} d5 {[%emt 0:00:11]} 8. dxe5 {[%emt 0:00:11]} Be6 {[%emt 0:00:06]} 9. c3 {[%emt 0:02:59]} Bc5 {[%emt 0:00:14]} 10. Qd3 {[%emt 0:07:56]} O-O {[%emt 0:08:02]} 11. Nbd2 {[%emt 0:05:12]} Nxf2 {[%emt 0:11:24]} 12. Rxf2 {[%emt 0:02:08]} Bxf2+ {[%emt 0:00:08]} 13. Kxf2 {[%emt 0:00:13]} f6 {[%emt 0:00:23]} 14. exf6 {[%emt 0:07:08]} Qxf6 {[%emt 0:00:22]} 15. Kg1 {[%emt 0:15:01]} Rad8 {[%emt 0:01:19]} 16. h3 {[%emt 0:10:13]} Bf5 {[%emt 0:14:50]} 17. Qe2 {[%emt 0:02:29]} h6 {[%emt 0:03:25]} 18. Ne4 {[%emt 0:07:38]} Qg6 {[%emt 0:15:36]} 19. Nh4 {[%emt 0:04:40]} Qe6 {[%emt 0:05:09]} 20. Ng3 {[%emt 0:11:05]} Qxe2 {[%emt 0:04:55]} 21. Nxe2 {[%emt 0:00:03]} Bd3 {[%emt 0:00:17]} 22. Nf4 {[%emt 0:00:56]} Bc4 {[%emt 0:02:28]} 23. Nhg6 {[%emt 0:02:45]} Rf6 {[%emt 0:02:22]} 24. Be3 {[%emt 0:03:02]} Rdd6 {[%emt 0:08:13]} 25. Bc2 {[%emt 0:04:14]} d4 {[%emt 0:00:07]} 26. cxd4 {[%emt 0:00:36]} Nxd4 {[%emt 0:00:20]} 27. Bxd4 {[%emt 0:00:21]} Rxd4 {[%emt 0:00:02]} 28. Re1 {[%emt 0:01:31]} Rdxf4 {[%emt 0:12:38]} 29. Re8+ {[%emt 0:03:27]} Rf8 {[%emt 0:00:02]} 30. Ne7+ {[%emt 0:01:28]} Kh8 {[%emt 0:00:13]} 31. Ng6+ {[%emt 0:00:10]} Kg8 {[%emt 0:00:03]} 32. Nxf8 {[%emt 0:01:10]} Rxf8 {[%emt 0:00:40]} 33. Bh7+ {[%emt 0:00:08]} Kf7 {[%emt 0:00:26]} 34. Bg6+ {[%emt 0:00:12]} Kg8 {[%emt 0:00:11]} 35. Bh7+ {[%emt 0:00:39]} Kf7 {[%emt 0:00:02]} 36. Bg6+ {[%emt 0:00:09]} Kg8 37. Re1 1/2-1/2

[Event "20th Prague Open 2022"]
[Site "Prague"]
[Date "2022.01.13"]
[Round "8.15"]
[White "Unneland, Mathias"]
[Black "Azhar, Puteri Munajjah Az-Z"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "2262"]
[BlackElo "2052"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2022.01.07"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,51,70,76,75,66,68,70,68,75,159,176,206,203,199,113,404,81,80,85,71,95,748,750,741,731,741,745,700,677,650,294,800,783,1635,1615,1454,1463,2054,1995,1769,1294]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 d6 4. d4 exd4 5. Nxd4 Nxd4 6. Qxd4 Qf6 7. Qd3 Qg6 {C45: Scotch Game.} 8. O-O Nf6 9. Nc3 Be7 {White is slightly better.} 10. f4 {[%cal Bf2f4,Bf4f5][%mdl 32] [#]} h5 $146 (10... Qh5 $142) ({Predecessor:} 10... Bd7 11. a4 a6 12. Bd2 h5 13. f5 Qh7 14. Nd5 Bd8 15. Bc3 O-O 16. Bxf6 gxf6 {1-0 (35) Haraldsson,O (1733)-Sigurvaldason,H (1491) Reykjavik 2018}) 11. f5 $16 Qh7 12. Nb5 Bd8 13. Bg5 (13. e5 $1 $18 {[%cal Re5f6]} dxe5 14. Bg5) 13... a6 $2 {[%mdl 8192] [#]} (13... Bd7 $16 {might work better.}) 14. e5 $2 axb5 15. Bxb5+ ({Don't blunder} 15. exf6 $2 bxc4 16. Rae1+ Kd7 $19) 15... Nd7 16. exd6 {White is much more active. Black has bad knights.} Bxg5 $4 {[%mdl 8192] [#]} (16... O-O $16 17. Bxd8 c6) 17. Rae1+ $1 $18 Kd8 18. dxc7+ Kxc7 {[#]} 19. Qg3+ $1 Kd8 20. Qxg5+ f6 21. Qe3 (21. Qd2 $142) 21... g5 $2 (21... Qg8 22. Rd1 Kc7) 22. fxg6 {White is clearly winning.} Qg7 23. Rd1 {Qb6+ would kill now.} Kc7 {Inhibits Qb6+.} 24. Qe6 {White threatens Qd6+ and mate.} Ra6 {Inhibits Qd6+.} 25. Bxa6 bxa6 26. Rf3 {Weighted Error Value: White=0.82/Black=0.52} 1-0

[Event "20th Prague Open 2022"]
[Site "Prague"]
[Date "2022.01.13"]
[Round "8.16"]
[White "Ronce, Nathan"]
[Black "Macicek, Jakub"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2171"]
[BlackElo "2250"]
[Annotator "ChessBase"]
[PlyCount "139"]
[EventDate "2022.01.07"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:10:21]} Nf6 {[%emt 0:00:20]} 2. c4 {[%emt 0:00:09]} e6 {[%emt 0:00:07]} 3. Nf3 {[%emt 0:00:12]} d5 {[%emt 0:01:29]} 4. Nc3 {[%emt 0:00:39]} Be7 {[%emt 0:02:45]} 5. Bf4 {[%emt 0:00:30]} O-O {[%emt 0:01:15]} 6. e3 {[%emt 0:00:36]} c6 {[%emt 0:01:01]} 7. Bd3 {[%emt 0:02:51]} Nbd7 {[%emt 0:08:50]} 8. c5 {[%emt 0:00:42]} Nh5 {[%emt 0:08:00]} 9. O-O {[%emt 0:05:26]} Nxf4 {[%emt 0:00:08]} 10. exf4 {[%emt 0:00:05]} b6 {[%emt 0:01:38]} 11. b4 {[%emt 0:01:50]} a5 {[%emt 0:00:17]} 12. a3 {[%emt 0:00:49]} Ba6 {[%emt 0:01:09]} 13. Bxa6 {[%emt 0:11:17]} Rxa6 {[%emt 0:01:32]} 14. Qd3 {[%emt 0:01:25]} b5 {[%emt 0:07:46]} 15. Rfb1 {[%emt 0:10:49]} a4 {[%emt 0:01:23]} 16. Re1 {[%emt 0:04:08]} Bf6 {[%emt 0:02:23]} 17. Ne5 {[%emt 0:03:22]} Qc7 {[%emt 0:02:09]} 18. g3 {[%emt 0:09:13]} Raa8 {[%emt 0:03:45]} 19. h4 {[%emt 0:01:55]} g6 {[%emt 0:09:51]} 20. Re2 {[%emt 0:06:43]} Bg7 {[%emt 0:00:38]} 21. Rae1 {[%emt 0:00:38]} Rae8 {[%emt 0:00:50]} 22. h5 {[%emt 0:08:55]} Bxe5 {[%emt 0:23:25]} 23. dxe5 {[%emt 0:00:59]} Kh8 {[%emt 0:07:34]} 24. Qd4 {[%emt 0:07:48]} Kg7 {[%emt 0:01:13]} 25. Kg2 {[%emt 0:01:26]} Rg8 {[%emt 0:00:29]} 26. Nb1 {[%emt 0:05:15]} Kf8 {[%emt 0:00:18]} 27. Nd2 {[%emt 0:00:28]} Ke7 {[%emt 0:00:32]} 28. Nf3 {[%emt 0:00:24]} Kd8 {[%emt 0:01:27]} 29. Rh1 {[%emt 0:00:54]} Nf8 {[%emt 0:00:48]} 30. Ree1 {[%emt 0:01:42]} Kc8 {[%emt 0:00:23]} 31. hxg6 {[%emt 0:00:33]} fxg6 {[%emt 0:00:30]} 32. Rh6 {[%emt 0:00:17]} Rg7 {[%emt 0:00:23]} 33. Reh1 {[%emt 0:00:23]} Kb7 {[%emt 0:00:24]} 34. Ng5 {[%emt 0:00:46]} Ree7 {[%emt 0:00:30]} 35. Kf1 {[%emt 0:00:47]} Ka6 {[%emt 0:00:16]} 36. Ke2 {[%emt 0:00:22]} Kb7 {[%emt 0:00:04]} 37. Kd2 {[%emt 0:01:47]} Qd7 {[%emt 0:00:06]} 38. Kc3 {[%emt 0:00:12]} Qc7 {[%emt 0:00:16]} 39. Rd1 {[%emt 0:00:12]} Ka6 {[%emt 0:00:18]} 40. Rdh1 {[%emt 0:00:33]} Kb7 {[%emt 0:00:16]} 41. Kb2 {[%emt 0:30:06]} Ka6 {[%emt 0:30:24]} 42. R1h4 {[%emt 0:00:41]} Kb7 {[%emt 0:00:58]} 43. Nf3 {[%emt 0:00:00]} Qd7 {[%emt 0:00:00]} 44. Rh1 {[%emt 0:00:00]} Ref7 {[%emt 0:00:00]} 45. Qe3 {[%emt 0:00:00]} Qe8 {[%emt 0:00:00]} 46. Kc2 {[%emt 0:00:00]} Rc7 {[%emt 0:00:00]} 47. Ng5 {[%emt 0:00:00]} Rce7 {[%emt 0:00:00]} 48. Qd4 {[%emt 0:00:00]} Rc7 {[%emt 0:00:00]} 49. Kd2 {[%emt 0:00:00]} Rce7 {[%emt 0:00:00]} 50. Ke2 {[%emt 0:00:00]} Rc7 {[%emt 0:00:00]} 51. Kf1 {[%emt 0:00:00]} Rce7 {[%emt 0:00:00]} 52. Kg2 {[%emt 0:00:00]} Rc7 {[%emt 0:00:00]} 53. Rd1 {[%emt 0:00:00]} Rce7 {[%emt 0:00:00]} 54. Qe3 {[%emt 0:00:00]} Rc7 {[%emt 0:00:00]} 55. g4 {[%emt 0:00:00]} Rce7 {[%emt 0:00:00]} 56. Nf3 {[%emt 0:00:00]} Rc7 {[%emt 0:00:00]} 57. g5 {[%emt 0:00:42]} Rce7 {[%emt 0:00:00]} 58. Rc1 {[%emt 0:01:34]} Kb8 {[%emt 0:00:00]} 59. Nd4 {[%emt 0:00:30]} Rb7 {[%emt 0:00:00]} 60. Nf3 {[%emt 0:02:02]} Rbe7 {[%emt 0:00:00]} 61. Nh2 {[%emt 0:00:11]} Qd7 {[%emt 0:00:00]} 62. Rd1 {[%emt 0:00:14]} Qc7 {[%emt 0:00:00]} 63. Ng4 {[%emt 0:00:05]} Kb7 {[%emt 0:00:00]} 64. Nf6 {[%emt 0:00:05]} Kb8 {[%emt 0:00:28]} 65. Rd4 {[%emt 0:00:13]} Kb7 {[%emt 0:00:22]} 66. Rh1 {[%emt 0:00:49]} Ka6 {[%emt 0:01:33]} 67. Qh3 {[%emt 0:00:10]} Kb7 {[%emt 0:00:15]} 68. Qh6 {[%emt 0:01:58]} Ka7 {[%emt 0:00:24]} 69. Rhd1 {[%emt 0:00:07]} Kb7 {[%emt 0:00:12]} 70. Rh1 {[%emt 0:00:47]} 1/2-1/2

[Event "20th Prague Open 2022"]
[Site "Prague"]
[Date "2022.01.13"]
[Round "8.17"]
[White "Dev, Shah"]
[Black "Walter, Ema"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2243"]
[BlackElo "2000"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2022.01.07"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,73,0,17,17,28,27,52,40,116,49,82,62,114,105,147,130,149,131,170,170,188,173,435,448,524,513,541,555,578,571,545,461,460,472,464,458,456,430,860,867,858,839,993,880,832,774,728,716,694,602,950,951,1164,1135]} 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 h6 7. Bh4 c6 8. Bd3 O-O 9. Qc2 Re8 10. Nge2 Nbd7 11. f3 Nf8 {Recently 11...b5 got a lot of attention.} 12. Bf2 {D36: Queen's Gambit Declined: Exchange Variation: Main line (5 Bg5 c6 6 Qc2).} b6 13. O-O Bb7 14. Rad1 {[#] White is slightly better.} Bd6 $146 {[#]} (14... Ne6 $14) ({Predecessor:} 14... Ne6 15. e4 dxe4 16. fxe4 Ng4 17. Bc4 Bg5 18. Ng3 Be3 19. Bxe3 Nxe3 20. Qf2 Nxc4 21. Qxf7+ {1-0 (37) Riline Orso,A (2136)-Martinez Reyes,P (2408) Lichess.org INT 2021}) 15. Kh1 (15. e4 $1 $16) 15... Rc8 16. Bf5 {White leaves nothing to chance now.} Rc7 {[#]} (16... N6d7 $14) 17. e4 $1 $16 {[%cal Be3e4,Be4e5][%mdl 32]} g6 ({Black should try} 17... N6d7) 18. Bh3 Nh5 19. e5 Be7 20. Be3 Kh7 21. f4 {[%cal Bf3f4,Bf4f5][%mdl 32]} f5 $2 {[#]} (21... Kg8 {keeps fighting.} 22. f5 Bg5) 22. Bxf5 $1 $18 {[%mdl 512] White is clearly winning.} Bc8 (22... Ba6 23. Bh3) 23. Bxc8 Qxc8 24. f5 Bg5 25. Bxg5 hxg5 26. fxg6+ Nxg6 27. Rf5 Kh6 28. Rdf1 {[%cal Of5g5] Rxg5! is the strong threat.} Nh4 29. R5f2 ({Less strong is} 29. Rf7 Rxf7 30. Rxf7 Ng6 31. Rxa7 Re7 $18) 29... Ree7 (29... Ng6 $142 30. g3 Rg8) 30. g3 Ng6 31. Rf5 a6 32. Qd2 Nhf4 33. Rf6 ({Avoid the trap} 33. Nxf4 $2 Qxf5 34. Nce2 Rf7 $19) 33... Qh3 34. Rf2 Nh5 35. R6f3 Rcd7 36. Nd1 c5 37. Ne3 {Weighted Error Value: White=0.13 (very precise) /Black=0.46} 1-0

[Event "20th Prague Open 2022"]
[Site "Prague"]
[Date "2022.01.13"]
[Round "8.18"]
[White "Pham, Khoi"]
[Black "Cholleti Sahajasri"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "2114"]
[BlackElo "2235"]
[Annotator "TA"]
[PlyCount "1"]
[EventDate "2022.01.07"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 1,1,16]} 1. e4 {Not much happened in this game.} 1-0

[Event "20th Prague Open 2022"]
[Site "Prague"]
[Date "2022.01.13"]
[Round "8.19"]
[White "Goossens, Hanne"]
[Black "Matras, Ondrej"]
[Result "0-1"]
[ECO "C03"]
[WhiteElo "2133"]
[BlackElo "2223"]
[Annotator "ChessBase"]
[PlyCount "96"]
[EventDate "2022.01.07"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:06]} e6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:15]} d5 {[%emt 0:00:00]} 3. Nd2 {[%emt 0:00:12]} a6 {[%emt 0:00:00]} 4. Ngf3 {[%emt 0:00:54]} c5 {[%emt 0:00:00]} 5. dxc5 {[%emt 0:04:48]} Bxc5 {[%emt 0:00:00]} 6. Bd3 {[%emt 0:00:58]} Nf6 {[%emt 0:00:00]} 7. Qe2 {[%emt 0:02:55]} Be7 {[%emt 0:02:51]} 8. exd5 {[%emt 0:04:09]} exd5 {[%emt 0:00:08]} 9. Nd4 {[%emt 0:03:30]} O-O {[%emt 0:01:20]} 10. Nf5 {[%emt 0:01:53]} Re8 {[%emt 0:01:04]} 11. O-O {[%emt 0:01:09]} Bf8 {[%emt 0:02:29]} 12. Qf3 {[%emt 0:04:53]} Nc6 {[%emt 0:01:23]} 13. Nb3 {[%emt 0:06:41]} Ne5 {[%emt 0:06:54]} 14. Qg3 {[%emt 0:02:18]} Kh8 {[%emt 0:00:36]} 15. Bg5 {[%emt 0:02:13]} Nxd3 {[%emt 0:04:11]} 16. Qxd3 {[%emt 0:00:24]} Qd7 {[%emt 0:01:29]} 17. Ne3 {[%emt 0:04:23]} Ne4 {[%emt 0:02:32]} 18. Bf4 {[%emt 0:03:09]} g5 {[%emt 0:04:11]} 19. Bg3 {[%emt 0:04:42]} f5 {[%emt 0:00:12]} 20. Nxd5 {[%emt 0:10:04]} f4 {[%emt 0:03:43]} 21. Rae1 {[%emt 0:04:29]} fxg3 {[%emt 0:03:38]} 22. Rxe4 {[%emt 0:01:47]} gxh2+ {[%emt 0:00:48]} 23. Kxh2 {[%emt 0:03:40]} Qd6+ {[%emt 0:01:06]} 24. Kg1 {[%emt 0:04:57]} Bf5 {[%emt 0:02:08]} 25. Rxe8 {[%emt 0:04:20]} Bxd3 {[%emt 0:00:11]} 26. Rxa8 {[%emt 0:00:07]} Bxf1 {[%emt 0:00:10]} 27. Kxf1 {[%emt 0:00:07]} Qxd5 {[%emt 0:00:14]} 28. Rxf8+ {[%emt 0:00:26]} Kg7 {[%emt 0:00:02]} 29. Re8 {[%emt 0:00:39]} Qd1+ {[%emt 0:00:43]} 30. Re1 {[%emt 0:00:06]} Qxc2 {[%emt 0:00:18]} 31. Kg1 {[%emt 0:03:31]} Qxb2 {[%emt 0:00:25]} 32. Re7+ {[%emt 0:00:09]} Kg6 {[%emt 0:00:41]} 33. Rxb7 {[%emt 0:00:08]} Qxa2 {[%emt 0:00:17]} 34. f3 {[%emt 0:05:03]} a5 {[%emt 0:00:46]} 35. Rb6+ {[%emt 0:00:15]} Kf7 {[%emt 0:00:27]} 36. Rb7+ {[%emt 0:00:21]} Ke8 {[%emt 0:00:17]} 37. Nxa5 {[%emt 0:00:42]} Qxa5 {[%emt 0:01:32]} 38. Rxh7 {[%emt 0:00:07]} Qb6+ {[%emt 0:00:59]} 39. Kh2 {[%emt 0:00:26]} Qb8+ {[%emt 0:03:44]} 40. g3 {[%emt 0:12:59]} Qe5 {[%emt 0:00:29]} 41. Rh5 {[%emt 0:34:57]} Kf7 {[%emt 0:30:47]} 42. Kh3 {[%emt 0:00:00]} Qf5+ {[%emt 0:31:28]} 43. Kg2 {[%emt 0:00:00]} Qc2+ {[%emt 0:00:02]} 44. Kh3 {[%emt 0:00:00]} Kg6 {[%emt 0:00:13]} 45. Rh8 {[%emt 0:00:00]} Qd1 {[%emt 0:00:11]} 46. Rg8+ {[%emt 0:00:00]} Kh6 {[%emt 0:00:37]} 47. Rh8+ {[%emt 0:00:00]} Kg7 {[%emt 0:00:14]} 48. Rh5 {[%emt 0:00:00]} Kg6 {[%emt 0:00:04]} 0-1

[Event "20th Prague Open 2022"]
[Site "Prague"]
[Date "2022.01.13"]
[Round "8.20"]
[White "Michalczak, Thomas"]
[Black "Mach, Ondrej"]
[Result "1-0"]
[ECO "A47"]
[WhiteElo "2218"]
[BlackElo "1893"]
[Annotator "ChessBase"]
[PlyCount "81"]
[EventDate "2022.01.07"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:03:40]} Nf6 {[%emt 0:00:13]} 2. Nf3 {[%emt 0:00:06]} b6 {[%emt 0:00:04]} 3. Bg5 {[%emt 0:00:26]} Ne4 {[%emt 0:01:01]} 4. Bh4 {[%emt 0:00:11]} Bb7 {[%emt 0:00:29]} 5. Nbd2 {[%emt 0:00:15]} d5 {[%emt 0:04:42]} 6. e3 {[%emt 0:01:24]} Nxd2 {[%emt 0:05:51]} 7. Qxd2 {[%emt 0:00:07]} c5 {[%emt 0:01:02]} 8. dxc5 {[%emt 0:03:57]} bxc5 {[%emt 0:00:26]} 9. Bb5+ {[%emt 0:00:43]} Bc6 {[%emt 0:01:24]} 10. Bxc6+ {[%emt 0:00:37]} Nxc6 {[%emt 0:00:09]} 11. Rd1 {[%emt 0:02:10]} Qb6 {[%emt 0:00:50]} 12. Qxd5 {[%emt 0:00:32]} Rd8 {[%emt 0:00:45]} 13. Qb3 {[%emt 0:00:21]} Rxd1+ {[%emt 0:01:48]} 14. Kxd1 {[%emt 0:00:07]} e6 {[%emt 0:14:23]} 15. Nd2 {[%emt 0:25:55]} Qa6 {[%emt 0:02:33]} 16. Qc4 {[%emt 0:00:34]} Qb7 {[%emt 0:03:50]} 17. Kc1 {[%emt 0:03:40]} Bd6 {[%emt 0:06:41]} 18. Ne4 {[%emt 0:11:30]} Be5 {[%emt 0:05:04]} 19. c3 {[%emt 0:00:08]} O-O {[%emt 0:02:00]} 20. Nxc5 {[%emt 0:00:10]} Qc7 {[%emt 0:01:12]} 21. Bg3 {[%emt 0:21:26]} Rd8 {[%emt 0:08:35]} 22. Rd1 {[%emt 0:00:48]} Rxd1+ {[%emt 0:03:08]} 23. Kxd1 {[%emt 0:00:06]} Qd6+ {[%emt 0:06:01]} 24. Ke2 {[%emt 0:00:11]} Bxg3 {[%emt 0:03:09]} 25. hxg3 {[%emt 0:00:08]} h6 {[%emt 0:00:42]} 26. b4 {[%emt 0:00:29]} Qe5 {[%emt 0:03:33]} 27. Nd3 {[%emt 0:01:52]} Qd6 {[%emt 0:01:11]} 28. Qc5 {[%emt 0:00:21]} Qd7 {[%emt 0:00:56]} 29. a4 {[%emt 0:01:32]} Ne7 {[%emt 0:03:00]} 30. b5 {[%emt 0:01:26]} Nd5 {[%emt 0:01:11]} 31. Ne5 {[%emt 0:01:28]} Qd8 {[%emt 0:01:35]} 32. e4 {[%emt 0:04:08]} Nb6 {[%emt 0:09:36]} 33. a5 {[%emt 0:02:03]} Na4 {[%emt 0:00:44]} 34. Qb4 {[%emt 0:00:15]} Qg5 {[%emt 0:02:53]} 35. Qxa4 {[%emt 0:05:25]} Qxe5 {[%emt 0:00:08]} 36. Qb4 {[%emt 0:00:09]} Qg5 {[%emt 0:01:12]} 37. b6 {[%emt 0:01:12]} Qc1 {[%emt 0:04:27]} 38. Qb3 {[%emt 0:00:22]} axb6 {[%emt 0:00:15]} 39. axb6 {[%emt 0:00:07]} Qa1 {[%emt 0:00:06]} 40. b7 {[%emt 0:00:24]} Qa6+ {[%emt 0:00:06]} 41. c4 {[%emt 0:30:16]} 1-0

[Event "20th Prague Open 2022"]
[Site "Prague"]
[Date "2022.01.13"]
[Round "8.21"]
[White "Rousek, Jan"]
[Black "Bomans, Arno"]
[Result "0-1"]
[ECO "D71"]
[WhiteElo "1908"]
[BlackElo "2246"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2022.01.07"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,61,21,16,14,11,0,0,-6,-10,-6,-17,-16,0,-11,0,-10,0,0,0,-14,0,-29,-61,-32,0,-83,-77,-140,-136,-151,-157,-566,-562,-647,-638,-593,-631,-614,-567,-581,-541,-1016,-986,-833,-730,-715,-696,-29998,-29999,-29999]} 1. d4 {[%cal Bd2d4,Bd4d5][%mdl 32]} Nf6 2. c4 g6 3. g3 c5 4. d5 d6 5. Nc3 Bg7 6. Bg2 O-O 7. Nf3 e6 8. O-O {E64: King's Indian: Fianchetto: 6...c5 7 d5.} exd5 9. Nxd5 Nxd5 10. cxd5 {The position is equal.} Re8 11. Re1 {[#]} Nd7 $146 ({Predecessor:} 11... b5 12. e4 Bg4 13. h3 Bxf3 14. Qxf3 Nd7 15. Qe2 c4 16. a4 a6 17. Be3 Ne5 {0-1 (52) Jordaan,W (1529)-Kahl,F (2302) LSS email 2015}) 12. e4 a6 13. a4 Rb8 {[%cal Ba8b8,Bb8b6,Bb6b4][%mdl 32]} 14. a5 b5 15. axb6 Rxb6 16. Rb1 Rb4 17. Nd2 Ne5 18. Qc2 {Inhibits Nd3.} c4 19. Bf1 {[#]} (19. b3 $1 $11) 19... Bd7 $1 $17 20. Ra1 {Inhibits Ba4.} (20. Re3 $142) 20... Qb6 21. Kg2 Rc8 {[%cal Be8c8,Bc8c4,Bc4a4][%mdl 32] Black is much more active.} (21... c3 22. bxc3 Ng4 23. Nf3 (23. Nc4 Rxc4 24. Bxc4 Bxc3 $11) 23... Bxc3 24. Rxa6 $11 (24. Qxc3 Qxf2+ 25. Kh1 Rbxe4 $17)) 22. f4 $2 {Loses the game.} (22. Be2 $17 {is a better chance.}) 22... Ng4 $19 {( -> ...Qf2+)} 23. Nxc4 {[#]} Rbxc4 {[%mdl 512]} 24. Bxc4 {[#]} Rxc4 $1 {[%mdl 512]} 25. Qd2 Ba4 26. Rxa4 Rxa4 27. Qc2 {[#]} Rc4 {[%mdl 512] Prevents Qc8+.} 28. Qe2 {[#]} h5 $1 {[%cal Oc4e4][%mdl 512] And now ...Rxe4! would win.} 29. h3 {[#]} Rxe4 $1 {[%mdl 512]} 30. Qxe4 (30. Qd2 Rxe1) 30... Qf2+ 31. Kh1 Qh2# {Weighted Error Value: White=0.99/Black=0.10 (very precise)} 0-1

[Event "20th Prague Open 2022"]
[Site "Prague"]
[Date "2022.01.13"]
[Round "8.22"]
[White "Oye-Stromberg, Alexander"]
[Black "Kukucka, Matej"]
[Result "1-0"]
[ECO "C03"]
[WhiteElo "2238"]
[BlackElo "2104"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2022.01.07"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,83,-13,-5,-21,0,-42,-17,-18,0,0,9,0,46,34,41,40,49,-24,0,0,3,12,5,0,0,-29,0,0,42,28,27,33,45,42,36,47,80,74,129,129,129,134,117,127,252,250,250,249,234,222,460,283,289,268,392,389,386,386,375,368,341,274,368,368,463,463,411,401]} 1. e4 e6 2. d4 d5 3. Nd2 a6 4. Ngf3 c5 5. exd5 exd5 6. dxc5 Bxc5 7. Nb3 Bb6 8. Be2 Nf6 9. O-O O-O 10. Nbd4 {C08: French Tarrasch: 3...c5 4 exd5 exd5 sidelines.} Nc6 11. h3 (11. Be3 $11) 11... Qd6 12. Be3 {The position is equal.} Bc7 {[#]} 13. Re1 $146 ({Predecessor:} 13. Bd3 Re8 14. Ne2 Rxe3 15. fxe3 Ne5 16. Ned4 Bxh3 17. Rf2 Bg4 18. Be2 Ne4 19. Nxe5 Qxe5 20. Rf4 g5 21. Rxe4 Qh2+ 22. Kf1 Qh1+ 23. Kf2 Bg3+ 24. Kxg3 Qh4# {0-1 (24) Pettersson,G-Nygren,T Sweden 1986}) 13... Ne4 14. Bd3 f5 (14... Re8 $11 {is superior.}) 15. Nxc6 $14 bxc6 16. c4 $1 Re8 17. c5 (17. cxd5 $14 cxd5 18. Rc1) 17... Qf8 (17... Nxc5 $2 18. Bxc5 Rxe1+ 19. Qxe1 $18) (17... Qg6 $5 {[%cal Rf5f4]}) 18. b4 Bd7 19. Bd4 a5 20. a3 h6 21. Bb2 Qf7 (21... Rab8 $5 {[%cal Ra5b4]}) 22. Qc2 Re7 (22... Qg6 $11 {feels stronger.}) 23. Nd4 {[%cal Bf3d4,Bd4b5,Bb5d6][%mdl 32]} Rae8 24. b5 Nxc5 $1 25. Rxe7 Qxe7 26. bxc6 Nxd3 27. Qxd3 {Black is now going downhill.} Bc8 ({Better is} 27... Qe1+ 28. Rxe1 Rxe1+ 29. Qf1 Rxf1+ 30. Kxf1 Bc8) 28. Nb5 $16 {White is more active.} Qe1+ 29. Qf1 Qxf1+ 30. Rxf1 Be5 (30... Bb6 $16 {was called for.}) 31. Bxe5 $18 Rxe5 {[%mdl 4096] Endgame KRB-KRN} 32. Nd6 Ba6 {[#]} 33. c7 $1 Re2 $2 (33... d4 34. c8=Q+ Bxc8) 34. c8=Q+ Bxc8 35. Nxc8 {aiming for Rd1. KRN-KR} Ra2 (35... Kf7 {keeps fighting.} 36. Nb6 Rd2) 36. Ne7+ Kf7 37. Nxd5 Rxa3 38. Re1 a4 39. Nb6 Ra2 40. g3 a3 41. Nc4 Kf6 42. Kg2 {Weighted Error Value: White=0.16 (very precise) /Black=0.31} 1-0

[Event "20th Prague Open 2022"]
[Site "Prague"]
[Date "2022.01.13"]
[Round "8.23"]
[White "Babula, Vlastimil"]
[Black "Llopis de Aysa, Manuel"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2561"]
[BlackElo "2035"]
[Annotator "TA"]
[PlyCount "127"]
[EventDate "2022.01.07"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,127,34,18,31,25,37,17,20,28,37,28,15,5,31,24,35,16,11,-19,21,15,20,-3,23,27,32,50,30,25,20,0,0,-14,0,0,7,0,14,10,32,13,20,5,9,12,17,2,44,43,50,31,26,0,14,0,0,0,0,0,0,0,0,0,28,0,0,0,0,0,7,7,7,0,0,0,32,31,18,0,0,0,0,0,33,0,35,0,108,75,92,43,29,0,65,27,32,0,0,-3,0,0,0,0,0,0,0,-53,0,0,102,59,526,508]} 1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. Re1 c6 8. a4 a5 {8...h6 gains popularity.} 9. b3 h6 {C41: Philidor Defence.} 10. h3 Re8 11. Bb2 Qc7 {The position is equal.} 12. Qd2 Nf8 13. Bd3 $5 {[%mdl 4] Exploring less charted territory.} Ng6 14. Ne2 {[#]} Nh7 $146 {[%cal Bf6h7,Bh7g5,Bg5e6][%mdl 32]} ({Predecessor:} 14... Nh5 15. c4 Bf6 16. Bc3 b6 17. Rad1 Ra7 18. d5 c5 19. Kh2 Nhf4 20. Nxf4 Nxf4 {0-1 (49) Yurtseven,M (2299)-Bortnyk,O (2553) Kocaeli 2015}) 15. c4 Ng5 16. Qe3 Ne6 17. Ng3 exd4 18. Nxd4 Bg5 19. Qe2 Ngf4 {[%cal Bg6f4,Bf4e6,Be6c5][%mdl 32]} 20. Qc2 Nxd4 21. Bxd4 Ne6 22. Bc3 Bf4 $1 {Prevents e5.} 23. Nf5 Be5 24. Rac1 Nc5 25. Nd4 Bd7 26. Bf1 Ne6 27. Nxe6 Bxe6 28. Bd2 Bd4 29. Bf4 Rad8 30. Rcd1 Qb6 31. Rd2 Be5 (31... Bc5 $11) 32. Be3 $14 Qc7 33. f4 Bf6 34. Red1 b6 35. Rd3 Bc8 36. R3d2 Bf5 37. Bd3 Bc8 38. Bf2 Bb7 39. Be2 Bc8 40. Bf3 Bb7 41. Rd3 c5 $1 42. R3d2 Bc6 43. Re1 Qb7 44. Qd3 Qc7 45. h4 g5 46. hxg5 hxg5 47. g3 Kg7 48. Bg2 Rh8 49. Qf3 Bb7 50. Rd3 Bc6 51. Qe2 Be7 (51... gxf4 $11 52. Qg4+ (52. gxf4 Rdg8 $11) 52... Kf8) 52. Qd2 Bf6 {[#]} 53. Rd1 ({Don't play} 53. fxg5 Be5 $11) (53. Be3 $1 $16) 53... Qb7 54. Re1 (54. Rxd6 $2 Bxe4 55. Rd5 Bxd5 56. cxd5 gxf4 57. Qxf4 Qe7 $19) 54... Rhe8 ({Black should try} 54... Qc7 $1 $11) 55. fxg5 ({Don't blunder} 55. Rxd6 $2 Rxd6 56. Qxd6 Rd8 57. Qxc6 Qxc6 $19) (55. e5 $5 dxe5 56. fxg5 $14) 55... Be5 56. Kf1 Rh8 57. Qe3 Qe7 58. Qd2 Rh5 59. g4 Rh2 60. Bg3 {The board is on fire.} Rhh8 61. Rf3 ({Better is} 61. Kg1 $11) 61... Bxg3 (61... Bd7 $1 $15) 62. Rxg3 $11 Kg6 (62... Qe5 $11 {remains equal.} 63. Rf3 Bd7) 63. Qf2 ({White should play} 63. Qf4 $16) 63... Qxg5 $2 {[%mdl 8192] [#]} (63... Bd7 $14) 64. Qf5+ {Weighted Error Value: White=0.14 (very precise) /Black=0.30} 1-0

[Event "20th Prague Open 2022"]
[Site "Prague"]
[Date "2022.01.13"]
[Round "8.24"]
[White "Moser, Axel"]
[Black "Nielsen, Andre"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2139"]
[BlackElo "2232"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2022.01.07"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,74,19,16,24,14,3,-47,-35,-79,-77,-145,-113,-224,-91,-95,-96,-91,-75,-89,-78,-72,-23,-29,-39,-30,-3,-11,0,-73,-56,-66,-59,-66,-41,-103,-101,-166,-148,-142,-142,-145,-149,-158,-149,-327,-301,-358,-350,-339,-351,-330,-312,-489,-485,-442,-328,-393,-387,-354,-317,-300,-280]} 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. Bg5 d6 6. e3 c5 7. d5 {is currently scoring better than 7.Be2.} h6 8. Bh4 Bf5 {E61: King's Indian: Early deviations for White, including Smyslov System.} 9. Nd2 Qb6 {[#]} 10. e4 $146 (10. Qc1 $11) ({Predecessor:} 10. Qc1 Na6 11. a3 g5 12. Bg3 Nh5 13. Be2 Nxg3 14. hxg3 e6 15. O-O Bg6 16. Bf3 {1-0 (52) Efimenko,Z (2643)-Nataf,I (2583) Montreal 2005}) 10... Qxb2 $15 {Black is slightly better.} 11. Na4 (11. Rc1 $15 Bg4 12. f3) 11... Qd4 $17 12. f3 ({White should try} 12. exf5 Qxh4 13. Rb1) 12... Bd7 13. Rb1 {[#]} (13. Bf2 $17 {only move.} Bxa4 14. Bxd4 Bxd1 15. Bxf6 Bxf6 16. Rxd1) 13... Qe3+ (13... Nxd5 $1 $19 {[%mdl 512] Hoping for ...Bxa4.} 14. cxd5 Bxa4) 14. Be2 Qa3 {[%csl LRa2,LRa4]} 15. Nb2 Nh5 (15... Qxa2 $6 16. Nd3 g5 17. Bf2 $15) 16. Nd3 g5 ({Don't play} 16... Qxa2 $6 17. Bxe7 Bc3 18. Rxb7 $11) 17. Bf2 Ba4 (17... Na6 $17) 18. Qc1 $11 Qxc1+ ({Don't take} 18... Qxa2 19. e5 Nf4 20. Nxf4 gxf4 21. Ra1 $11) 19. Rxc1 Na6 20. g3 $1 {Inhibits Nf4.} Nf6 {[%cal Bh5f6,Bf6g4,Bg4e3][%mdl 32]} 21. O-O (21. Be3 $11 {remains equal.}) 21... b6 22. f4 Nb4 23. Nxb4 cxb4 24. Bd3 (24. Be3 $15) 24... Ng4 $17 25. Be1 (25. Nf3 $17) 25... Bd4+ 26. Kh1 Ne3 27. Rf3 g4 $36 {[%mdl 2048] White is under strong pressure. Black is much more active. White has bad knights.} 28. Rf2 Nd1 29. Re2 {Now White is beyond hope.} (29. Rg2 $17) 29... Nc3 $19 30. Nb3 Nxe2 31. Bxe2 Bxb3 32. axb3 a5 {Threatens to win with ...a4.} 33. Bxg4 (33. Bd1 {keeps fighting.}) 33... a4 34. bxa4 b3 {[%cal Bb4b3,Bb3b2][%mdl 32]} 35. Bd7 b2 36. Rb1 Ra7 37. Bc6 {[#]} Rfa8 $1 {[%mdl 512] Weighted Error Value: White=0.36/Black=0.16 (very precise)} 0-1

