[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.24"]
[Round "1.1"]
[White "Mammadzada, Gunay"]
[Black "Aziz, Husain"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2470"]
[BlackElo "2357"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,71,11,18,30,9,19,25,25,14,25,8,10,19,12,7,14,12,10,6,10,10,8,-16,-12,-11,0,-35,0,-13,0,0,0,0,0,-8,0,0,-6,-22,0,-29,-11,-31,-18,-20,0,-4,0,0,0,-8,-8,-16,-16,-37,-31,-86]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O {[%cal Bh1f1,Bf1e1,Be1e5][%mdl 32]} Nxe4 5. Re1 Nd6 6. Nxe5 Be7 7. Bf1 Nxe5 8. Rxe5 O-O 9. d4 Bf6 {C67: Ruy Lopez: Berlin Defence: 4 0-0 Nxe4.} 10. Re2 Nc4 $1 {[%mdl 4] is now more promising than 10...b6.} 11. b3 Nb6 {[#] White has an edge.} 12. Qd3 $146 ({Predecessor:} 12. c4 d5 13. c5 Nd7 14. Bb2 Re8 15. Nc3 c6 16. Qd2 Rxe2 17. Nxe2 Nf8 18. Ng3 {½-½ (98) Vachier Lagrave,M (2761)-Antipov,M (2615) Warsaw 2021}) 12... d5 {[%cal Oc7c5]} 13. Bf4 Bg4 14. Re1 Qd7 15. Nc3 Bf5 16. Qd2 c6 17. a4 a5 18. Be5 Be7 19. Bd3 {[%cal Oe5g7]} Bb4 20. Re3 f6 21. Bg3 Rae8 22. Rae1 {[%cal Ba1e1,Be1e2,Be2e3][%mdl 32] [#] aiming for Bxf5.} Bg6 23. Bxg6 hxg6 24. Qd3 Kf7 25. R1e2 Rxe3 26. Rxe3 Nc8 {[%cal Bb6c8,Bc8e7,Be7f5,Bf5e3][%mdl 32]} 27. Ne2 Re8 28. Nf4 Ne7 29. Qe2 Nf5 30. Qg4 $1 Rxe3 {[%cal Re3e1] [#]} 31. Qxg6+ Kf8 {[%cal Re3e1]} 32. fxe3 Nxe3 33. Qd3 Nf5 34. c3 Bd6 35. Ng6+ Kf7 36. Bxd6 {Weighted Error Value: White=0.09 (flawless) /Black=0.06 (flawless)} (36. Nh4 $15 Nxh4 37. Bxh4) 1/2-1/2

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.24"]
[Round "1.2"]
[White "Abdumalik, Zhansaya"]
[Black "Merario Alarcon, Andres"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2491"]
[BlackElo "2405"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,69,17,12,27,10,19,18,3,13,16,21,13,20,28,18,8,7,22,10,14,0,0,0,8,0,37,33,42,0,0,0,0,0,0,0,0,0,0,-34,-19,-62,-55,-47,-26,-19,-12,-11,-11,-12,-16,-10,-16,-11,0,0,-1,-4,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 d6 6. O-O h6 7. Re1 O-O {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} 8. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1g3,Bg3e2,Be2c3][%mdl 32]} a5 9. Nf1 a4 10. h3 Bd7 11. Bb5 Ne7 12. Bxd7 Qxd7 13. d4 Bb6 14. Ng3 Qb5 15. Qc2 exd4 16. cxd4 {[#]} Nh5 $146 ({Predecessor:} 16... Nc6 17. Be3 Nb4 18. Qe2 Qxe2 19. Rxe2 d5 20. e5 Ne4 21. Nxe4 dxe4 22. Nd2 Nc2 {½-½ (32) Kurmann,O (2459)-Studer,N (2462) Bad Ragaz 2017}) 17. Ne2 Nc6 18. Be3 Nf6 19. Nc3 Qc4 {[%cal Rc6d4]} 20. b3 (20. Qd2 $14 {should be considered.}) 20... axb3 $11 21. axb3 Nb4 22. Qb2 Qd3 23. Rac1 Qa6 {Threatens to win with ...Nd3.} ({Much less strong is} 23... Nxe4 24. Red1 Qa6 25. Nxe4 $16) 24. Ra1 Qd3 25. Rad1 Qc2 26. Bc1 (26. Qxc2 $11 Nxc2 27. Re2 Nxe3 28. Rxe3) 26... Qxb2 $15 27. Bxb2 {[%cal Bc1b2,Bb2c3,Bc3e1,Be1d2][%mdl 32]} Rfe8 28. e5 Nfd5 {The position is equal.} 29. exd6 Nxc3 30. Bxc3 Nd5 31. Rxe8+ Rxe8 32. Re1 Rxe1+ 33. Bxe1 cxd6 34. Bd2 Kf8 35. Kf1 {Weighted Error Value: White=0.07 (flawless) /Black=0.04 (flawless)} 1/2-1/2

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.24"]
[Round "1.3"]
[White "Stefanova, Antoaneta"]
[Black "Cheng, Bobby"]
[Result "1/2-1/2"]
[ECO "A14"]
[WhiteElo "2469"]
[BlackElo "2550"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,63,-1,-1,-6,-6,15,16,6,8,10,19,18,16,17,4,37,26,53,33,41,54,45,11,38,47,45,13,41,41,49,14,20,7,32,56,47,39,38,47,41,38,40,39,43,29,40,49,29,23,54,0]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. d4 Be7 5. c4 O-O 6. b3 dxc4 7. bxc4 c5 8. O-O cxd4 {A14: English Opening: 1...e6 with b3 by White.} 9. Nxd4 a6 (9... Qb6 $5 {[%cal Rf8d8]} 10. Be3 Rd8 $11) 10. Nc3 Qc7 {The position is equal.} 11. Qb3 Nbd7 12. Na4 Nc5 13. Nxc5 Bxc5 14. Qc3 {[#]} e5 $146 ({Predecessor:} 14... Bd7 15. Bb2 Rfc8 16. Rac1 Bf8 17. Qb3 Rab8 18. Nf3 Ne4 19. Qc2 Nc5 20. Ng5 f5 {0-1 (35) Langeweg,K (2450)-Miles,A (2510) Amsterdam 1976}) 15. Nb3 Ba7 16. Ba3 Rd8 17. c5 Bg4 18. Qa5 Rac8 (18... Qd7 {keeps more tension.} 19. Bb2 Bh3 20. Bxe5 Bxg2 21. Rad1 Nd5) 19. Qxc7 Rxc7 20. Rfd1 Re8 21. Rd2 Be6 22. Rad1 {[%cal Ba1d1,Bd1d8,Bd8a8][%mdl 32]} h5 23. Rd8 Rxd8 (23... Bxb3 $5 24. axb3 Bxc5 25. Bxc5 Rxc5 $11) 24. Rxd8+ Kh7 25. Ra8 Bxb3 26. axb3 Bxc5 27. Bxc5 Rxc5 28. Bxb7 $14 {KRB-KRN} a5 $1 29. Ra7 Kg6 30. Ba6 Nd5 31. Bc4 {next Rd7 is good for White.} f5 32. Bxd5 {Weighted Error Value: White=0.07 (flawless) /Black=0.10 (very precise)} (32. Ra6+ $14 Kh7 33. Rd6) 1/2-1/2

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.24"]
[Round "1.4"]
[White "Muzychuk, Mariya"]
[Black "Haria, Ravi"]
[Result "1/2-1/2"]
[ECO "C13"]
[WhiteElo "2539"]
[BlackElo "2490"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,82,23,24,32,31,31,37,29,29,44,15,12,20,6,16,0,1,10,0,0,0,0,0,0,0,0,0,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-6,0,0,0,0,0,0,0,0,0,0,0,0,4,0,13,6,5,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Bxf6 gxf6 7. Qd2 c5 {C13: French: Classical System: 4 Bg5 Be7, Alekhine-Chatard Attack.} 8. Nxc5 Bxc5 9. dxc5 Qxd2+ {White is slightly better.} 10. Kxd2 a5 {[#]} 11. Re1 $146 ({Predecessor:} 11. Nf3 Ke7 12. Nd4 Rd8 13. Ke3 e5 14. Nb5 Na6 15. Bc4 Be6 16. Bxe6 fxe6 17. Rhd1 Nxc5 {0-1 (64) Hong,A (2449)-Oparin,G (2652) Chess.com INT 2020}) 11... Nd7 {The position is equal.} 12. Bb5 Ke7 13. c6 Ne5 14. f4 Nxc6 15. Bxc6 bxc6 16. Nf3 c5 17. Re3 Bb7 18. Rc3 Rhg8 19. g3 a4 20. Ke3 Rgc8 21. Rd1 Bd5 22. b3 axb3 23. axb3 c4 24. bxc4 Rxc4 25. Rxc4 Bxc4 $11 {[%mdl 4096] Endgame KRB-KRN} 26. Nd4 Ra3+ 27. Kf2 Bd5 28. Nf5+ Ke8 29. Ne3 Bc6 30. Rb1 Ke7 31. Rb8 Ra1 32. g4 Rh1 33. Nf1 Bd5 34. Rc8 h6 35. Rc3 Kf8 36. Rh3 Kg7 37. Rh5 Bc4 38. Ne3 Rc1 39. Ra5 Bd5 40. Nxd5 {[#] aiming for Ne3.} Rxc2+ 41. Kg3 {Ne3 is the strong threat.} exd5 {Weighted Error Value: White=0.02 (flawless) /Black=0.02 (flawless)} 1/2-1/2

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.24"]
[Round "1.5"]
[White "Sukandar, Irine Kharisma"]
[Black "Brunello, Sabino"]
[Result "1-0"]
[ECO "C93"]
[WhiteElo "2407"]
[BlackElo "2492"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,89,46,40,67,68,66,46,46,25,57,27,43,5,14,-13,-13,-77,-16,-25,29,31,130,123,189,197,183,189,180,185,213,190,219,120,118,81,85,66,154,69,143,72,59,68,98,107,91,95,103,114,108,108,100,97,101,103,103,93,99,110,187,180,186,193,450,443]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Bd7 11. Nbd2 Re8 12. Nf1 Bf8 13. Ng3 Na5 14. Bc2 g6 {C93: Closed Ruy Lopez: Smyslov Variation.} 15. b3 c5 16. Bb2 Bg7 {White is slightly better.} 17. Qd2 Nc6 18. Rad1 {[#]} (18. d5 $5 {[%cal Rd5c6]} Ne7 19. c4 $14) 18... Qb6 $146 ({Predecessor:} 18... Qc7 19. Bb1 Rad8 20. Qc1 Rc8 21. Qd2 Rcd8 22. Qc1 Rc8 23. dxc5 dxc5 24. Nf1 Be6 25. Ne3 Rcd8 {½-½ (25) Kupka,S-Kozma,J Luhacovice 1968}) 19. dxc5 dxc5 20. Qe3 Be6 21. b4 (21. Re2 $11) 21... Bf8 (21... Bxa2 $17 22. Rd6 Qb7 23. Qxc5 Rec8) 22. Bb3 $11 Qa7 (22... Nb8 $142) 23. Bd5 Bxd5 ({Better is} 23... Bd7 $14) 24. exd5 $16 Ne7 (24... Nb8 $16) 25. d6 $18 (25. Qxe5 $2 Nexd5 26. Rxd5 Rxe5 27. Rdxe5 cxb4 28. cxb4 Bxb4 $19) (25. Qxc5 Qxc5 26. bxc5 Nexd5 $11) (25. c4 bxc4 26. d6 Ned5 27. Qxc5 c3 $15) 25... Nc6 26. Ne4 ({But not} 26. Qxc5 Qxc5 27. bxc5 Nd7 $16) (26. bxc5 Na5) 26... Nd7 27. Nxc5 ({Much less strong is} 27. bxc5 $6 Na5 $14) 27... Rad8 28. Nd2 f5 {[#]} 29. Ndb3 (29. c4 $1 $18 {[%cal Rc4b5]}) 29... Nb6 $16 30. Qf3 {White is much more active.} e4 31. Qg3 {[%cal Od6d7] Black must now prevent d7!} Qf7 {To avoid d7} ({Black should try} 31... Kh7 $1 $14) 32. Bc1 ({White should play} 32. d7 $1 $16 {[%cal Rd7e8]} Re5 33. Bc1) 32... g5 {[#]} (32... Kh7 $14) 33. d7 (33. h4 $142 $1 {[%cal Rh4g5]}) 33... Nxd7 34. Nb7 f4 {[#]} 35. Nxd8 $1 Rxd8 {[#]} 36. Bxf4 Qxf4 37. Qxf4 gxf4 38. Rxe4 Nf6 {[%csl LRd1,LRe4]} 39. Rxd8 Nxe4 40. Ra8 Nxc3 41. a3 {[%cal Ba2a3,Ba3a4][%mdl 32]} ({Much weaker is} 41. Rxa6 Nxb4 42. Ra8 Kf7 $15) 41... Kf7 42. Rxa6 Ne5 (42... Ne7 $16 {was worth a try.}) 43. Nd4 $18 Nc4 44. Rc6 Bd6 $2 (44... f3) 45. a4 {Weighted Error Value: White=0.18 (very precise) /Black=0.38} 1-0

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.24"]
[Round "1.6"]
[White "Cramling, Pia"]
[Black "Bellahcene, Bilel"]
[Result "1-0"]
[ECO "A17"]
[WhiteElo "2452"]
[BlackElo "2512"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,105,0,6,0,17,18,6,0,9,0,0,0,0,0,0,0,4,0,25,9,11,8,5,0,3,0,6,0,0,0,47,46,45,43,65,59,81,39,85,69,79,68,77,65,73,72,87,81,70,89,71,74,76,65,63,67,60,62,66,64,58,60,67,60,77,70,147,89,106,103,111,86,103,91,89,91,81,81,94,85,89,66,81,85,116,95,98,104,227,223,188,179,233,222,371,361,311,297]} 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. a3 Ba5 6. e3 {A17: English Opening: 1...Nf6 with ...Bb4.} O-O 7. Be2 d5 8. O-O {The position is equal.} Nc6 {[%cal Bb8c6,Bc6e7,Be7d5][%mdl 32]} 9. d4 cxd4 10. exd4 dxc4 11. Qxc4 h6 12. Rd1 {[#]} Ne7 $146 ({Predecessor:} 12... Bd7 13. Ne5 Rc8 14. Qd3 Ne7 15. Qh3 Nf5 16. g4 Nd6 17. g5 hxg5 18. Bxg5 Bxc3 {1-0 (29) Iturrizaga Bonelli,E (2597)-Zarnicki,P (2514) Moscow 2019}) 13. Ne5 Ned5 (13... Bd7 $5) 14. Bf3 Bd7 15. Bd2 {[%cal Rc3d5]} Rc8 16. Qb3 {[%cal Rc3d5]} Bb6 17. Nxd5 exd5 18. Bb4 Re8 19. Bxd5 Be6 (19... Nxd5 $11 {was preferrable.} 20. Qxd5 Be6 21. Qxb7 Bd5) 20. Bxe6 $14 Rxe6 21. Nf3 Rc7 22. h3 Rd7 {[%cal Rb6d4]} 23. Rac1 (23. Re1 $16) 23... Bc7 (23... Bxd4 $14 24. Rxd4 Rxd4) 24. Rc2 Nd5 25. Bd2 Rb6 26. Qd3 Re6 27. Rdc1 Qe8 28. Rc5 {[%cal Oc5d5]} Bb6 29. Rc8 Rd8 30. Qc4 Red6 31. Rxd8 Rxd8 32. Re1 Qd7 33. Ne5 Qc7 34. Rc1 Qd6 35. a4 a6 36. Nf3 Ba7 37. Qb3 Qd7 (37... Qb6 $14 38. Qc2 Qf6) 38. Ba5 (38. Ne5 $142 Qf5 39. Qxb7 Bxd4 40. Nf3) 38... Re8 39. Ne5 Qe6 40. Re1 {White is more active.} ({Much less strong is} 40. Qxb7 Bxd4 41. Nd3 Qf5 42. Qxa6 Nf4 43. Nxf4 Qxf4 $14) 40... Re7 (40... Bxd4 $2 41. Nf3 Qd7 42. Rxe8+ Qxe8 43. Nxd4 $18) 41. Nf3 Qc6 42. Rxe7 Nxe7 43. Bc3 $36 {[%mdl 2048] White is in control.} Bb8 44. Ne5 Bxe5 45. dxe5 Nd5 {[%cal Be7d5,Bd5b6,Bb6c4][%mdl 32] Hoping for ...Nf4.} 46. Bd2 {Prevents Nf4.} Nb6 {[#]} 47. a5 $1 Nc4 48. Bc3 Qc7 {Black cannot hold the game after this.} (48... Qd5 $16 {was necessary.} 49. Qa4 Kh7) 49. Qa4 $18 Qc8 50. Qd1 b6 (50... Qc7 $142 51. Qd5 Na3) 51. Qd4 {[%cal Oe5e6] [#] Threatens to win with e6!} Qe6 (51... Qc7 $142 52. e6 fxe6) 52. Qd8+ Kh7 53. Qd3+ {Weighted Error Value: White=0.04 (flawless) /Black=0.16 (very precise)} 1-0

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.24"]
[Round "1.7"]
[White "Sebag, Marie"]
[Black "Krysa, Leandro"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2460"]
[BlackElo "2516"]
[Annotator "TA"]
[PlyCount "40"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,40,35,39,16,25,8,25,0,0,0,0,0,-4,0,0,0,0,0,-8,-8,-16,-10,-18,-27,-10,-2,0,0,-7]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Ne7 6. O-O c5 {6...h6 is setting a new trend.} 7. c4 Nbc6 8. dxc5 {B12: Caro-Kann: Advance Variation.} dxc4 9. Na3 Nd5 10. Nxc4 {Nd6+ is the strong threat. White has an edge.} (10. Bg5 $5 {[%cal Rg5d8]} f6 11. exf6 gxf6 12. Bd2 $11) 10... Bxc5 11. Bg5 Qc7 12. a3 {[#]} O-O $146 ({Predecessor:} 12... a5 13. Rc1 O-O 14. Nh4 Bg6 15. Nxg6 hxg6 16. Bf3 Bd4 17. Re1 Qb8 18. a4 Qa7 {0-1 (38) Nokso Koivisto,A (2240)-Maki Uuro,M (2265) Salokangas 1996}) 13. Qd2 a5 14. Rac1 Be4 15. Rfe1 a4 16. Bd1 Bg6 17. Be2 Rfc8 18. h3 Bh5 19. g4 Bg6 20. Bf1 h6 {A balanced but interesting game.  Weighted Error Value: White=0.05 (flawless) /Black=0.01 (flawless)} 1/2-1/2

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.24"]
[Round "1.8"]
[White "Girya, Olga"]
[Black "Gallagher, Joseph G."]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "2416"]
[BlackElo "2447"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,57,19,31,26,51,56,58,70,71,54,89,99,102,110,102,112,130,135,164,153,148,149,169,175,177,149,399,398,400,404,411,408,406,401,368,399,396,357,372,366,714,607,697,704,604,572]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be3 e5 7. dxe5 dxe5 8. Qc2 {E90: King's Indian: Classical: Early deviations and 6 h3.} ({Reject} 8. Nxe5 Nxe4 9. Nxe4 Bxe5 10. Qxd8 Rxd8 $15) 8... Qe7 9. Nd5 Nxd5 10. cxd5 {White is slightly better.} Rd8 {[#]} 11. Bc4 $146 ({Predecessor:} 11. Bg5 f6 12. Be3 c6 13. Bc4 Kh8 14. O-O cxd5 15. Bxd5 {1-0 (57) Fadavian,M (2018)-Block,W (2089) Germany 2011}) 11... Bg4 {[#]} 12. Ng5 $1 Rd6 13. h3 Bd7 14. O-O h6 15. Nf3 Rf6 {[%cal Od7h3]} 16. Be2 c6 17. Rfd1 {White is more active.} cxd5 18. exd5 {Qc7 is the strong threat.} ({Resist} 18. Rxd5 Nc6 $16) 18... Na6 {Inhibits Qc7.} 19. Qb3 {[%cal Od5d6] And now d6! would win.} Be8 $2 (19... e4 $16 {was called for.}) 20. d6 $18 Rxd6 21. Rxd6 Qxd6 22. Qxb7 Rb8 23. Qxa6 Qxa6 24. Bxa6 Rxb2 25. Bxa7 e4 {[#]} 26. Bd4 $1 exf3 $2 (26... Rb4 27. Bxg7 Kxg7) (26... Bxd4 27. Nxd4) 27. Bxb2 {White is clearly winning.} Bxb2 28. Rb1 Be5 29. Bb5 {Black did not feel at home in the position after the opening.  Weighted Error Value: White=0.04 (flawless) /Black=0.26 (precise)} 1-0

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.24"]
[Round "1.9"]
[White "Houska, Jovanka"]
[Black "Csonka, Balazs"]
[Result "0-1"]
[ECO "D39"]
[WhiteElo "2365"]
[BlackElo "2480"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,72,23,15,10,13,6,17,0,0,0,0,0,0,-31,-37,-85,-86,-86,-74,-172,-155,-160,-154,-161,-127,-125,-104,-133,-142,-142,-143,-142,-135,-163,-140,-168,-150,-299,-305,-302,-302,-300,-282,-5097,-5097,-2171,-1996,-2155,-2045,-6311,-6109,-29974,-29975,-29982,-29979,-29984,-29985]} 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 dxc4 5. e4 {[%cal Be2e4,Be4e5][%mdl 32]} Bb4 6. Bg5 h6 7. Bxf6 Qxf6 8. Bxc4 c5 9. O-O O-O 10. e5 {D39: Queen's Gambit Declined: Ragozin Defence with 5 Bg5 dxc4.} Qd8 11. Ne4 cxd4 12. Qxd4 {The position is equal.} Qxd4 ({Don't play} 12... Nc6 13. Qe3 $14) 13. Nxd4 Nd7 {[%cal Bb8d7,Bd7c5,Bc5a4,Ba4b2,Bb2c4][%mdl 32]} 14. f4 Nc5 {[#]} 15. Nd6 $146 {Pair of Knights!} ({Predecessor:} 15. Nc2 Nxe4 16. Nxb4 Nd2 17. Rfc1 Nxc4 18. Rxc4 Rd8 19. g3 Rd2 20. Rac1 Bd7 21. R4c2 Rd4 22. Rc4 Rd2 23. R4c2 {½-½ (23) Paul,J (2185)-Biedermann,T (2455) ICCF email 2017}) 15... Na4 $1 16. Bb3 (16. b3 $15 Nb2 17. Ne4) 16... Nxb2 $17 ({But not} 16... Bc5 $6 17. Bxa4 Bxd4+ 18. Kh1 $11) 17. Rac1 {Inhibits Bc5.} Bd2 18. Rxc8 (18. Rc2 $17 {might work better.} Be3+ 19. Kh1 Bxd4 20. Rd2) 18... Rfxc8 $19 ({Much weaker is} 18... Raxc8 $6 {[#]} 19. Nxe6 $1 Be3+ 20. Kh1 $11) 19. Nxc8 Rxc8 20. Rf3 {Prevents Be3+.} Nc4 {[#] And now ...Be3+ would win.} 21. Kf2 {To avoid Be3+} Ba5 22. Ke2 Nd2 23. Rd3 Nxb3 24. axb3 $17 {[%mdl 4096] Endgame KRB-KRN} a6 25. g4 Kf8 26. h3 Ke7 27. Rf3 (27. h4 $17) 27... Bb6 $19 28. Rd3 Bxd4 29. Rxd4 {KR-KR} Rc2+ 30. Rd2 $2 (30. Kf1) 30... Rxd2+ 31. Kxd2 {KP-KP} Kd7 {...g5 is the strong threat.} 32. Kc3 Kc6 {Threatens to win with ...g5.} 33. Kc4 g5 34. Kd4 Kb5 {Black mates.} 35. f5 Kb4 36. f6 b6 {Weighted Error Value: White=0.91/Black=0.13 (very precise)} 0-1

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.24"]
[Round "1.10"]
[White "Efroimski, Marsel"]
[Black "Rosen, Eric"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "2429"]
[BlackElo "2356"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,76,31,11,12,3,-1,-2,0,-2,-7,0,-2,-14,0,-16,0,8,15,11,0,0,33,0,0,0,0,0,0,-31,-18,-23,-11,-16,0,0,0,0,104,110,117,125,136,137,279,267,257,232,480,468,462,454,502,472,667,648,657,649,714,747,688,538,630]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 Nf6 6. Nc3 g6 7. d4 cxd4 8. Nxd4 Bg7 9. O-O O-O {B52: Sicilian: Moscow Variation with 3...Bd7.} 10. h3 Rc8 {10...Nc6 might become the main line.} 11. b3 b5 {The position is equal.} 12. e5 dxe5 13. Ndxb5 a6 14. Na3 Nc6 {[#]} 15. Be3 $146 {[%cal Bc1e3,Be3b6,Bb6a5,Ba5c3][%mdl 32]} ({Predecessor:} 15. Qxd7 Nxd7 16. Be3 e4 17. Rad1 Bxc3 18. Rxd7 f5 19. c5 Rd8 20. Rc7 Rac8 21. Rb7 {½-½ (44) Verenzuela,J (2135)-Susla,V (2266) LSS email 2016}) 15... Qf5 16. Qc2 Nb4 17. Qxf5 gxf5 18. Na4 {Threatens to win with Nb6.} Rc7 19. Bb6 (19. Bd2 $5 {[%cal Rd2b4]} Nd3 20. Nc2 $11) 19... Rb7 20. Ba5 Nc6 21. Bc3 Ne4 22. Bb2 Rd8 23. f3 Ng3 24. Nc5 {[%cal Ba4c5,Bc5a6,Ba6b4][%mdl 32]} Rc7 {And now ...Nb4 would win.} 25. Rfd1 Nd4 26. Nxa6 Ra7 (26... Rcc8 $1 $11) 27. Nb4 $1 $16 Rad7 {[#]} 28. Kf2 {[%cal Bg1f2,Bf2e1,Be1d1][%mdl 32]} f4 29. Bxd4 Rxd4 {A mistake that costs the game.} (29... exd4 $16 30. Nd3 Nf5) 30. Rxd4 Rxd4 {[#]} 31. Ke1 {Prevents Rd2. Rd1 is the strong threat.} e4 $2 (31... Rd8) 32. Rd1 $18 {White is clearly winning.} Rxd1+ 33. Kxd1 {[%mdl 4096] Endgame KBN-KNN} f5 34. Nd5 Be5 (34... e6 $142 35. Nxf4 Kf7) 35. Nxe7+ Kf7 36. Nd5 Ke6 37. Nb5 Kd7 38. Nbc3 e3 {Weighted Error Value: White=0.10 (very precise) /Black=0.31} 1-0

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.25"]
[Round "2.1"]
[White "Cheng, Bobby"]
[Black "Girya, Olga"]
[Result "1/2-1/2"]
[ECO "E06"]
[WhiteElo "2550"]
[BlackElo "2416"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,63,-9,0,0,0,17,7,17,8,23,22,18,27,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-31,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,6,6,6,6]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. Nc3 dxc4 7. Ne5 Nc6 8. Bxc6 {E06: Closed Catalan: Early deviations.} bxc6 9. Nxc6 {Pair of Knights!} Qe8 10. Nxe7+ Qxe7 11. Qa4 Nd5 12. Qxc4 a5 {[#]} 13. Qc5 $146 (13. O-O {is interesting.} Ba6 14. Nxd5 exd5 15. Qc3 Qxe2 16. Re1) ({Predecessor:} 13. Be3 Rb8 14. Nxd5 exd5 15. Qc3 Bh3 16. Rc1 a4 17. Qa3 Qxa3 18. bxa3 Rb2 19. f3 {½-½ (62) Cheparinov,I (2664)-Giri,A (2772) Warsaw 2021}) 13... Qxc5 14. dxc5 Nxc3 15. bxc3 Ba6 16. f3 Rab8 17. Kf2 Rfd8 {Prevents Rd1.} 18. Re1 f6 19. g4 a4 20. h4 Bc4 21. h5 e5 {[%mdl 1024] Black has compensation.} 22. Ke3 {The position is equal.} Rd5 23. Ba3 Rbd8 24. Reb1 Rd2 {[%csl Gc4][%cal Rd2e2] [#]} 25. Rb2 Rxb2 26. Bxb2 $11 {[%mdl 4096] Endgame KRB-KRB} Kf7 27. Ba3 Ke6 28. Rb1 Bxa2 29. Rb7 Kd7 30. Ra7 {Prevents Ra8.} Bd5 31. Rxa4 Ra8 32. Rxa8 {An interesting draw.  Weighted Error Value: White=0.03 (flawless) /Black=0.02 (flawless)} 1/2-1/2

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.25"]
[Round "2.2"]
[White "Brunello, Sabino"]
[Black "Efroimski, Marsel"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2492"]
[BlackElo "2429"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,102,3,6,11,22,8,14,22,14,20,28,23,42,12,17,12,19,22,45,58,113,120,104,105,120,121,124,116,121,101,108,100,102,101,103,102,104,101,112,104,133,139,125,117,123,94,418,406,344,398,370,139,125,0,395,366,516,520,511,514,481,405,392,389,480,0,287,0,521,276,262,268,244,253,638,631,548,-195,-191,-192,-209,-421,-212,-202,-152,-152,-152,-152,-152,-152,-152,-152,-152,-152,-152]} 1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Nf3 Bd6 5. Nbd2 O-O 6. Bd3 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} c5 7. dxc5 Bxc5 8. O-O {The position is equal.} Nbd7 9. c4 {[#]} Be7 $146 ({Predecessor:} 9... b6 10. Rc1 Bb7 11. Qe2 Rc8 12. Rfd1 Qe7 13. cxd5 e5 14. Bg5 Bxd5 15. Ba6 Rcd8 {½-½ (56) Xiong,J (2710)-So,W (2772) Saint Louis 2021}) 10. Rc1 Nh5 11. cxd5 Nxf4 12. exf4 {Hoping for dxe6.} Nf6 13. Ne5 Qxd5 14. Ndc4 {Pair of Knights!} Bc5 (14... Bd7 $14) 15. Qc2 $16 Qd8 16. Rfd1 {[%cal Od3h7] Threatens to win with Bxh7+!} Qe7 17. a3 g6 18. b4 Bb6 19. Nxb6 axb6 20. Qb2 Nd5 21. g3 Bd7 22. Be4 Ba4 23. Re1 Nf6 24. Bf3 $40 {[%mdl 128] White goes for the king. White is much more active.} Rfd8 25. Nc4 $1 b5 26. Ne5 Ne8 27. h4 Nd6 $2 {[%mdl 8192]} (27... f6 $16) 28. Ng4 $18 {White wants to mate with Nh6+.} Qf8 {Inhibits Nh6+.} 29. Nf6+ Kh8 30. Ne8+ (30. Rc7 $18) 30... Kg8 $16 {[#]} 31. Nf6+ {[%mdl 8192]} (31. Nxd6 $1 $16 Rxd6 32. Bxb7) 31... Kh8 $18 32. Rc7 {[%cal Oe1e6] Black must now prevent Rxe6!} Qg7 {[#]} (32... Rac8 $142 33. Rxc8 Nxc8) 33. Rxe6 $3 {[%mdl 512]} Nf5 34. Bxb7 Nd4 35. Rb6 Rab8 36. Kg2 Bd1 {Inhibits h5.} 37. Qa2 $2 (37. Nd7 $18 Rxb7 38. Rbxb7 Bf3+ 39. Kh3 Bxb7 40. Rxb7) 37... Bb3 $2 {[%mdl 8192]} (37... Rxb7 $1 $11 {and Black is okay.} 38. Rbxb7 Qxf6 39. Rxf7 Qc6+ 40. Kh2 Nf3+ 41. Kh3 Ng1+ 42. Kh2 Nf3+ 43. Kh3 Ng1+ 44. Kh2 Nf3+) 38. Qb2 $2 (38. Qa1) 38... Bd1 $1 39. Qc3 {Inhibits Bf3+.} Bf3+ 40. Bxf3 {White threatens Rxb8 and mate.} Rxb6 41. Nd7 ({Less strong is} 41. Qxd4 Qxf6 42. Qc5 Kg8 $16) 41... Rd6 (41... Nxf3 42. Nxb6 Qxc3 43. Rxc3 Nd4) 42. Ne5 Rf6 {[#]} 43. Qxd4 {[%mdl 8192]} Rxd4 $19 44. Rc8+ {[#]} Qg8 $1 45. Rxg8+ Kxg8 46. Bc6 {[#] Black is clearly better.} Rxc6 $1 {[%mdl 512]} 47. Nxc6 Rd3 48. Na7 Rxa3 49. Nxb5 Rb3 50. Nd4 Rxb4 51. Nc2 Rb2 {Weighted Error Value: White=0.50/Black=0.44} 1/2-1/2

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.25"]
[Round "2.3"]
[White "Krysa, Leandro"]
[Black "Cramling, Pia"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2516"]
[BlackElo "2452"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,59,19,35,29,34,27,35,33,42,23,37,54,64,58,63,64,70,46,39,66,100,11,23,11,27,14,18,0,14,0,8,8,36,42,29,38,31,27,27,35,52,51,29,11,43,27,25,13,21,0,0,7]} 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 a5 5. a3 Be7 6. Nc3 {E11: Bogo-Indian.} d5 {Prevents e4.} 7. Bf4 $1 {[%mdl 4] is now more promising than 7.e3.} O-O 8. e3 {White is slightly better.} b6 9. cxd5 exd5 {[#]} 10. Rc1 $146 ({Predecessor:} 10. Nb5 Na6 11. Rc1 c5 12. Ne5 Qe8 13. Be2 c4 14. a4 Bb4+ 15. Kf1 Ne4 16. f3 {0-1 (27) Fugulyan,G (1958)-Bida,M (2183) Sarata Monteoru 2012}) 10... c5 11. Bb5 Bb7 12. Ne5 Ne8 13. h4 Nc7 14. Bd3 {Black must now prevent Qh5.} Ne6 {[#]} 15. Qg4 {White is much more active.} ({White should play} 15. Qh5 $1 $16 {[%csl Gd3][%cal Rh5h7]} g6 16. Qg4) 15... Nxf4 16. Qxf4 Nc6 17. h5 {Qf5 would kill now.} ({But not} 17. Qf5 g6 18. Nxc6 Bxc6 $15) 17... Nxe5 18. dxe5 {Threatens to win with Qf5.} Qd7 19. Bf5 Qe8 20. O-O {[%cal Bh1f1,Bf1d1,Bd1d5][%mdl 32]} Bd8 {[%cal Be7d8,Bd8c7,Bc7e5][%mdl 32]} 21. Rfd1 Bc7 22. Nxd5 Bxe5 23. Qg5 {[#] Strongly threatening Ne7+.} Bxd5 24. Rxd5 Bxb2 {...h6 is the strong threat.} 25. Rb1 Bf6 26. Qg4 {[%mdl 1024] White has compensation.} Rb8 (26... Qc6 $5 {[%cal Rc6d5]} 27. Rd3 Rab8 $11) 27. a4 Qe7 28. Rd7 Qe5 29. Bd3 Rbd8 30. Rxb6 {Weighted Error Value: White=0.13 (very precise) /Black=0.07 (flawless)} 1/2-1/2

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.25"]
[Round "2.4"]
[White "Rosen, Eric"]
[Black "Houska, Jovanka"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "2356"]
[BlackElo "2365"]
[Annotator "TA"]
[PlyCount "113"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,113,24,14,30,20,39,23,41,15,18,17,22,0,0,5,5,0,18,0,58,52,74,66,50,35,39,47,41,35,47,0,0,19,54,64,58,38,44,34,95,27,31,28,21,0,0,8,20,0,0,0,4,2,2,8,6,-12,-16,-17,-18,-25,0,0,0,-20,-20,-20,-19,-125,-77,-76,-77,-322,-160,-321,-318,-449,-427,-551,-327,-376,-125,-123,-133,-133,-33,-41,-8,-8,-8,-8,-8,-8,0,0,0,-8,-8,-8,0,-8,0,-8,0,0]} 1. e4 c6 2. Nf3 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Qe2 Nxe4 6. Qxe4 Qa5 {B11: Caro-Kann: Two Knights Variation.} 7. b4 Qf5 8. Qe3 Qe6 {White has an edge.} (8... Qxc2 {looks sharper.} 9. Bd3 Qa4 10. a3 Qb3 11. Nd4 Qd5) 9. Bb2 Qxe3+ 10. fxe3 f6 {[#]} 11. Bc4 $146 ({Predecessor:} 11. d4 e5 12. b5 exd4 13. exd4 Bb4+ 14. Kf2 Be6 15. bxc6 bxc6 16. Bd3 Nd7 17. c4 {0-1 (43) Preotu,R (2487)-Damjanovic,V (2393) Chess.com INT 2021}) 11... e5 12. a3 {[%cal Ba2a3,Ba3a4,Ba4a5][%mdl 32]} a5 13. bxa5 Rxa5 14. d4 e4 (14... exd4 $11 15. exd4 Bd6) 15. Nd2 $14 Bf5 16. O-O Bg6 17. a4 Bb4 {Prevents Bc3.} 18. c3 Be7 19. Be6 Nd7 20. Nb3 Ra7 21. c4 Rf8 22. a5 (22. d5 {with more complications.} Bf7 23. a5 Ra6 24. Nd4 Nc5 25. Rfb1) 22... Bf7 23. Bxf7+ (23. d5 {keeps more tension.} Ra6 24. Nd4 Nc5 25. Rfb1 cxd5 26. cxd5 Bxe6 27. Nxe6 Nxe6 28. dxe6 Bc5 29. Ba3) 23... Rxf7 24. g4 h5 ({Black should try} 24... g6 $14) 25. h3 (25. gxh5 $16 f5 26. Bc3) 25... hxg4 $11 26. hxg4 g6 27. Rf2 b6 28. Bc3 Bd8 29. Nd2 f5 30. Raf1 {[%cal Od2e4]} Bh4 31. Rh2 Bg5 32. Rh8+ Ke7 33. axb6 Bxe3+ 34. Kh1 $1 Nxb6 {And now ...Bxd2 would win.} 35. Nxe4 Ra4 {To avoid Bb4+} (35... fxe4 36. Rxf7+ Kxf7 37. Rh7+ Ke6 38. Rxa7 Nxc4 39. Ra8 $11) (35... Nxc4 $5 {[%cal Re7e6]} 36. gxf5 gxf5 $15) 36. gxf5 gxf5 37. Re1 Nxc4 38. Nc5 Ra2 39. Rb1 {[#]} (39. Rh6 $1 $11 {remains equal.}) 39... Rc2 (39... Nd6 $142 $1 40. Be1 (40. Re1 $2 f4 $19) 40... Rg7 41. Bh4+ Kf7) 40. Ba1 $17 Nd6 $36 {[%mdl 2048] To avoid Rb7+. Black is on the roll.} 41. Rh2 $2 ({Wrong is} 41. Re1 $2 f4 42. Rh2 Rxh2+ 43. Kxh2 Nf5 $19) (41. Nd3 $17) 41... Rxh2+ $19 42. Kxh2 {[#]} f4 $1 43. Nd3 (43. Bb2 {is a better defense.}) 43... Ke6 {aiming for ...Kf5.} 44. Kg2 Kf5 {Hoping for ...Rg7+.} 45. Kf3 Rg7 $2 (45... Ra7 $19 {is more deadly. Threatens to win with ...Ne4.} 46. Rd1 Ne4) 46. Rb8 $17 Rg3+ 47. Ke2 Nc4 (47... Rg1 $17 48. Rd8 Nb5 49. Rf8+ Ke4 50. Re8+ Kd5) 48. Rf8+ $15 Kg5 ({Much worse is} 48... Ke4 49. Nc5+ Kd5 50. Rf5+ Kd6 51. Ne4+ Ke6 52. Rf6+ Ke7 53. Kd3 $11 (53. Rxc6 Rg2+ 54. Kf3 Rc2 $11)) 49. Rg8+ {The position is equal.} Kh4 50. Rh8+ Kg4 51. Rg8+ $1 Kh3 52. Rh8+ Kg4 53. Rg8+ $1 Kh5 (53... Kh3 $5 54. Rh8+ Kg4 $11) 54. Rh8+ Kg5 {...f3+ is the strong threat.} 55. Rg8+ Kh5 56. Rh8+ Kg4 57. Rg8+ $1 {White happily takes the draw.  Weighted Error Value: White=0.22 (precise) /Black=0.21 (precise)} 1/2-1/2

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.25"]
[Round "2.5"]
[White "Bwalya, Gillan"]
[Black "Sukandar, Irine Kharisma"]
[Result "0-1"]
[ECO "E48"]
[BlackElo "2407"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,68,-8,-22,-11,-18,0,-4,0,-7,8,-8,0,-50,0,-2,-1,-50,0,-12,-19,-20,-6,-7,-6,-23,-34,-14,-36,-76,0,0,0,0,0,0,0,-212,-220,-511,-520,-604,-600,-662,-641,-736,-643,-691,-666,-2981,-2016]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nge2 c5 7. O-O Nc6 8. a3 cxd4 9. exd4 dxc4 10. Bxc4 Bd6 11. h3 h6 {E48: Nimzo-Indian: Rubinstein: 5 Bd3 d5 including 6 Ne2, but excluding 6 a3.} 12. Qd3 {[#]} e5 $146 ({Predecessor:} 12... Ne7 13. Ne4 Ned5 14. Nxd6 Qxd6 15. Rd1 Bd7 16. Bd2 Ba4 17. Re1 Qd7 18. Nf4 Rfd8 19. Bxd5 exd5 {½-½ (35) Evstratov,O (2249)-Shkliar,A (2310) Dagomys 2004}) 13. d5 Ne7 {The position is equal.} 14. Ng3 {To avoid Bf5} a6 15. a4 Ng6 16. Be3 ({Better is} 16. Bd2 $11) 16... Bd7 (16... Nf4 $15 {deserves consideration.} 17. Qd1 a5) 17. Bb3 $11 Rc8 18. Rfe1 (18. Rfc1 $11 {should be considered.}) 18... Qa5 (18... Nf4 $15 19. Bxf4 exf4) 19. Bd2 Qb6 20. Nce4 Nxe4 $1 21. Nxe4 Bf5 22. a5 {[#]} Bxe4 $1 23. Rxe4 {[%cal Be1e4,Be4g4,Bg4g3][%mdl 32]} (23. axb6 $2 {perishes.} Bxd3 24. Rec1 Rfd8 25. Rxc8 Rxc8 $19) 23... Qd8 24. Rg4 Qf6 (24... Nf4 $17 25. Qf1 Qd7) 25. Bc3 Nf4 26. Qe4 h5 {[%cal Bh6h5,Bh5h4][%mdl 32]} 27. Rg3 Qh6 28. Re1 $2 (28. h4 $11 {and White stays safe.}) 28... f5 $19 29. Qa4 (29. Qe3 h4 30. Rf3) 29... h4 {Black is clearly winning.} 30. Rf3 e4 31. Rxf4 Qxf4 32. Re3 Qh2+ 33. Kf1 Rf7 {Inhibits Qd7. aiming for ...Qh1+.} 34. Bb4 {[#]} f4 $1 {Weighted Error Value: White=0.78/Black=0.14 (very precise)} 0-1

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.25"]
[Round "2.6"]
[White "Csonka, Balazs"]
[Black "Batsiashvili, Nino"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2480"]
[BlackElo "2491"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,53,13,24,14,19,12,19,6,24,25,16,22,36,27,41,22,83,93,87,94,131,133,157,142,152,151,132,108,163,105,105,87,145,114,156,153,150,125,124,102,145,145,146,108]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. O-O a6 6. c3 d6 7. a4 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} Ba7 8. Re1 O-O 9. h3 {The position is equal.} Be6 10. Bxe6 fxe6 11. Be3 {[#]} Qe8 $146 ({Predecessor:} 11... Nh5 12. Bxa7 Rxa7 13. Re3 Nf4 14. Nbd2 Qf6 15. Qf1 Qh6 {1-0 (51) Antipov,M (2596)-Motylev,A (2639) Cheboksary 2021}) 12. Nbd2 Nh5 13. g3 Rf6 (13... Nf6 $11) 14. Bxa7 $16 Rxa7 {[#]} 15. d4 $1 Qg6 {[%cal Oh5g3] And now ...Nxg3! would win.} 16. dxe5 dxe5 {[%cal Oh5g3]} 17. Kh2 Ra8 18. Re3 Raf8 19. Qe2 Qf7 {[#]} (19... Qh6 $16 {might work better.}) 20. Rf1 ({Better is} 20. b4 $1 $18) 20... Rh6 {[%cal Oh5f4]} 21. Ne1 {[%cal Bf3e1,Be1d3,Bd3b4][%mdl 32]} Ne7 (21... g5 $142) 22. Nd3 Ng6 (22... Nc6 $142) 23. Rf3 Nf6 24. Kg2 Qe8 25. b3 Qc6 (25... Nh8 $142) 26. Rc1 Rd8 27. Nb4 {Weighted Error Value: White=0.09 (flawless) /Black=0.21 (precise)} 1/2-1/2

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.25"]
[Round "2.7"]
[White "Aziz, Husain"]
[Black "Abdumalik, Zhansaya"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2357"]
[BlackElo "2491"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,119,41,33,43,46,43,52,35,43,38,20,0,1,-52,-36,-39,17,-95,-89,-98,-18,-51,-33,-33,-16,-22,-31,-81,-56,-72,-65,-71,-59,-51,0,0,0,0,18,0,0,0,0,-7,0,-16,-20,-71,-83,-277,-281,-397,-252,-272,-265,-236,-213,-466,-341,-29991,-305,-501,-506,-464,-494,-443,-470,-456,-440,-409,-247,-239,-194,-205,148,-198,-193,-420,-413,-750,-233,-234,-227,-231,-214,-229,-225,-221,-227,-218,-216,-729,-729,-775,-731,-388,-72,-72,-68,-75,-72,-4076,-4076,-29996,-4120,-29997,-29998,-29998,-29999,-29999]} 1. d4 Nf6 2. Nf3 g6 3. Nbd2 {[%cal Bb1d2,Bd2b3,Bb3c5][%mdl 32]} d5 4. c4 Bg7 5. cxd5 Nxd5 6. e4 Nb6 7. Nb3 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} a5 8. Be3 O-O 9. Be2 {[#] White is slightly better.} f5 $146 ({Predecessor:} 9... a4 10. Nc5 N8d7 11. Qc2 c6 12. O-O Nxc5 13. Qxc5 Bg4 14. Rfd1 Nd7 15. Qc2 Qa5 {0-1 (43) Mamedyarov,S (2762)-Vachier Lagrave,M (2763) chess24.com INT 2021}) 10. Nc5 fxe4 11. Ng5 Qd5 12. f3 (12. Rc1 $11) 12... exf3 $15 13. Bxf3 {[#]} Qc4 ({Better is} 13... Rxf3 $1 $15 14. Qxf3 Nc6) 14. Qb3 (14. Rc1 $11 {keeps the balance.} Qxa2 15. O-O) 14... Qxb3 $17 15. axb3 Bh6 (15... Nc6 $17 16. Nge6 Bxe6 17. Nxe6 Rf6 18. Nxg7 Kxg7) 16. Kd2 c6 17. Rhe1 Nd5 18. Bxd5+ cxd5 19. Nf3 (19. Nge6 $15 Bxe3+ 20. Kxe3 Bxe6 21. Nxe6) 19... Bxe3+ 20. Rxe3 {[%cal Ob3b4]} Nc6 21. h3 {Prevents Bg4.} Rf4 22. Nd3 Rxf3 23. gxf3 $11 Nxd4 24. Ne5 Bf5 {Prevents Rd3. White must now prevent ...Nc2.} 25. Rc3 {[%mdl 1024] To avoid Nc2. White has compensation.} Ra6 26. Ra4 Ne6 27. h4 b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 28. Ra2 Nd4 {To avoid Nc6} 29. f4 (29. b4 $1 $11) 29... b4 $36 {[%mdl 2048] Black has strong initiative.} 30. Rc7 (30. Rg3 $17) 30... Nxb3+ $19 31. Kd1 (31. Ke1 $142) 31... Rf6 {Strongly threatening ...Bb1.} 32. Nc6 Bg4+ 33. Ke1 ({Don't go for} 33. Kc2 $2 Rxc6+ $1 {[%mdl 512]} 34. Rxc6 Nd4+ 35. Kd2 Nxc6 $19) 33... Re6+ 34. Kf1 $2 (34. Kf2 d4 35. Nxa5) 34... Kf8 35. Nxa5 $2 (35. Ne5 $19 Bf5 36. Nd7+ Kf7 37. Nc5 Nxc5 38. Rxc5) 35... Ra6 $2 (35... Nd2+ {mates} 36. Kg1 Re1+ 37. Kh2 Re2+ 38. Kg3 h5 39. f5 g5 40. Rc8+ Kf7 41. Rf8+ Kxf8 42. hxg5 Nf1+ 43. Kh4 Rh2#) 36. Ra4 $2 (36. Nxb3 Rxa2 37. Rc2) 36... Rxa5 37. Rxb4 Nc5 38. Rb8+ Kf7 39. Rh8 Bh3+ 40. Kg1 Ne4 41. Rxh7+ Kf6 42. Rcxe7 {[%csl Ge7][%cal Rh7f7] [#]} Ra1+ $1 43. Kh2 {[%csl Ge7][%cal Rh7f7]} Be6 {To avoid Rhf7+} 44. f5 $2 (44. Re8 {was worth a try.} Nd6 45. Rf8+ Nf7 46. h5 gxh5 47. f5 Kxf5 48. Rxh5+ Kg4 49. Rh7) 44... Kxf5 45. h5 (45. Rh8 $142 Nf6 46. Rd8) 45... gxh5 $2 (45... d4 {aiming for ...d3.} 46. Ra7 Rxa7 47. Rxa7 gxh5) 46. Rxh5+ Kf6 47. Re8 Bf7 {[%csl LRe8,LRh5]} 48. Rf8 Rd1 49. Rh4 Rd2+ 50. Kg1 Ng5 ({Worse is} 50... Rxb2 51. Rf4+ Kg6 52. R8xf7 $11) 51. Rb4 $2 (51. Rg4 Ne6 52. Rb8) 51... d4 52. Rb7 Kg6 {( -> ...Nf3+)} 53. Kf1 d3 $2 (53... Bc4+ $19 54. Ke1 Ne4) 54. Rd7 $17 Be6 55. Rd4 Nf7 {Threatens to win with ...Kf5.} 56. Ke1 $2 {[%mdl 8192]} (56. Re8 $17 Ng5 57. Rd6) 56... Re2+ $19 57. Kd1 Bb3+ 58. Kc1 d2+ {Black mates.} 59. Rxd2 Re1+ 60. Rd1 Rxd1# {Weighted Error Value: White=0.93/Black=0.44} 0-1

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.25"]
[Round "2.8"]
[White "Gallagher, Joseph G."]
[Black "Muzychuk, Mariya"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "2447"]
[BlackElo "2539"]
[Annotator "TA"]
[PlyCount "137"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,137,33,31,33,35,33,31,31,37,28,38,38,53,17,27,22,31,32,32,39,39,38,35,39,37,9,13,22,19,25,27,8,8,15,55,37,77,18,35,18,82,82,82,82,82,56,82,82,82,82,82,82,82,82,581,573,495,456,597,112,112,82,178,178,178,178,178,152,152,83,83,83,83,0,82,82,82,39,39,39,54,54,54,54,54,54,54,49,49,49,49,49,49,49,49,49,49,49,49,49,49,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 Nc6 6. Nxc6 bxc6 7. O-O e5 8. Be3 d6 9. c4 Be7 10. Nc3 O-O 11. Qc2 {B40: Sicilian: 2...e6, Unusual lines.} Be6 12. Rfd1 {[#]} Qc7 $146 ({Predecessor:} 12... Ng4 13. Bc1 Qb6 14. h3 Nf6 15. b3 Rad8 16. Na4 Qb8 17. Nc3 Qc8 {1-0 (38) Llaudy Pupo,L (2235)-Richards,D (2042) Valle del Cauca 2014}) 13. Rac1 {White is slightly better.} Rfd8 14. h3 h6 15. b3 Rac8 16. Qb1 Qb8 17. Be2 (17. Qb2 {feels hotter.} Rc7 18. Qe2 d5 19. cxd5 cxd5 20. exd5 Bxd5 21. Ba6) 17... d5 (17... Rd7 {with more complications.} 18. Bf3 Bd8 19. Na4 Ba5 20. Rc2 Bb4) 18. cxd5 cxd5 19. exd5 Nxd5 20. Nxd5 Bxd5 21. Rxc8 (21. Qf5 {is more complex.} Rxc1 22. Rxc1 a5 23. Qg4 Be6 24. Qg3) 21... Qxc8 22. Bc4 (22. Qb2 {is interesting.} Qc7 23. Rc1 Qb8 24. Qc3 Ba3 25. Rd1) 22... Bxc4 23. Rxd8+ Bxd8 24. bxc4 Qxc4 25. Bxa7 e4 26. Be3 Bc7 {Inhibits Qb8+.} 27. g3 Bd6 28. Kg2 (28. Qb6 $16 Ba3 29. Qa7) 28... Ba3 $11 29. h4 h5 (29... Kh7 $11) 30. Qb8+ $16 Kh7 31. Qe5 Qxa2 32. Qxh5+ Kg8 33. Qa5 {And now Qa4 would win.} Qb3 {To avoid Qa4} 34. Qa8+ Kh7 35. Qxe4+ g6 36. h5 Bf8 $2 {[%mdl 8192] [#]} (36... Bb2 $16 37. Bd2 (37. hxg6+ fxg6 38. Qh4+ Kg8 $16) 37... Bf6 38. hxg6+ fxg6) 37. hxg6+ $18 fxg6 38. Bd4 Qf7 39. Qh4+ $2 (39. Qe5 $18 {[%csl Gd4][%cal Re5h8]} g5 40. Qxg5) 39... Bh6 $16 40. Be3 g5 (40... Qd5+ $16 41. Kh2 g5) 41. Qe4+ $18 ({Weaker is} 41. Bxg5 Qd5+ 42. f3 Qxg5 $11) 41... Qg6 42. Qe7+ Kg8 43. Qd8+ Kh7 44. Qd7+ (44. Qd2 $142) 44... Bg7 $16 45. Kf3 Kh6 46. Kg2 ({Better is} 46. Qh3+ $16 Qh5+ 47. Kg2) 46... Bf6 (46... Kh7 $1 $11 {remains equal.}) 47. Qd5 (47. Qe6 {keeps more tension.} Kh7 48. Kh2 Kg7 49. Qd7+ Kh8 50. Qc8+) 47... Kh7 48. Bd4 {White is more active.} (48. Qe6 $16) 48... Bxd4 $14 49. Qxd4 {[%mdl 4096] Endgame KQ-KQ} Qf5 50. g4 Qf7 51. Qe5 Kg6 52. Kg3 Qd7 53. f3 Qd2 54. Qe4+ Kf6 55. Qc6+ Kg7 56. Qb7+ Kf6 57. Qa6+ Kg7 58. Qa7+ $1 Kg6 59. Qb6+ Kg7 60. Qf2 {To avoid Qe1} (60. Qc7+ $14 {was preferrable.} Kf6 61. Qc6+ Kf7 62. Qc4+ Kg7 63. Qe6) 60... Qxf2+ $1 $11 {The position is equal.} 61. Kxf2 {KPP-KP} Kf6 62. Ke2 {[#] White wants to mate with Kd3.} Ke6 $1 63. Kd2 Kd6 $1 64. Ke3 {White threatens Kd4 and mate.} Ke5 65. f4+ gxf4+ 66. Kf3 Kf6 67. Kxf4 Kg6 68. g5 Kg7 69. Kf5 {White really could win this.  Weighted Error Value: White=0.24 (precise) /Black=0.29 (precise)} 1/2-1/2

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.25"]
[Round "2.9"]
[White "Bellahcene, Bilel"]
[Black "Mammadzada, Gunay"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "2512"]
[BlackElo "2470"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,102,10,18,0,20,0,18,12,18,27,38,21,29,32,39,35,37,35,39,32,32,19,25,18,60,38,49,0,63,62,68,74,65,63,83,11,81,71,93,66,83,74,104,70,124,0,0,0,129,40,122,46,73,64,72,74,41,60,122,0,0,-8,0,-12,0,0,0,-39,-43,-75,-28,-87,-86,-125,-104,-134,-115,-98,-103,-114,-116,-508,-502,-935,-942,-1047,-1037]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Qd3 Be6 10. Bd2 {B92: Sicilian Najdorf: 6 Be2.} Qc7 (10... Nc6 $5 {[%cal Rc6b4]}) 11. Nd5 Bxd5 12. exd5 {[#] The position is equal.} a5 $146 ({Predecessor:} 12... Ne8 13. c4 f5 14. f4 Nd7 15. fxe5 Nxe5 16. Qe3 g6 17. Rac1 Rc8 18. Ba5 Qd7 19. Nd4 Ng7 20. b3 Rfe8 21. Qf2 Bd8 22. Bc3 Bf6 23. Rce1 Qd8 24. a4 Bh4 {0-1 (24) Kruk,S (2153)-Lang,F ICCF email 2013}) 13. a4 b6 14. Be3 Na6 15. c3 {Prevents Nb4.} Qb7 16. Rfd1 Nc7 {[%cal Rb7d5]} 17. Bf3 Nd7 18. g4 Qc8 19. Nd2 Qd8 20. Nc4 Na6 (20... Ne8 $11) 21. Kh1 h6 22. Qb1 (22. Qc2 $14 {is more appropriate.}) 22... Rc8 (22... Bg5 $11) 23. Be2 $1 $14 {[%cal Oc4e5]} Nac5 24. Qc2 e4 25. Bf4 Qc7 {[%cal Oc5d3]} 26. Na3 (26. Rd4 $16) 26... Nf6 (26... Qb7 $11) 27. Rd4 $16 Qd7 28. Rg1 Qb7 29. Qd1 Nh7 30. Bg3 Rfd8 (30... Bf6 $1 $14) 31. Rc4 Nf6 32. Rd4 Nh7 $1 {[#]} 33. Nc4 (33. b4 $1 $16 {[%cal Rb4c5]}) 33... Nf8 (33... Bf6 $14) 34. Ne3 (34. b4 $16 Nd3 35. Bxd3 (35. bxa5 Bf6 $16) (35. Rxe4 Rxc4 36. Qxd3 Rxe4 $16) 35... exd3 36. Qxd3) 34... Bf6 $14 35. Rc4 Ng6 36. b4 Nd7 37. Qb3 Rxc4 ({Black should play} 37... Qb8 $14) 38. Bxc4 ({Much less strong is} 38. Qxc4 $6 Be5 $14) ({White should try} 38. Nxc4 $16 Qxd5 39. Rd1) 38... Qc7 $11 39. Rb1 (39. Bb5 $5 {[%cal Rb3c4]}) 39... Nde5 40. Be2 Bg5 41. bxa5 bxa5 42. Ng2 Nd7 {[%cal Be5d7,Bd7c5,Bc5a6][%mdl 32]} 43. h3 Nge5 (43... Bf6 $17) 44. c4 (44. Qc2 $1 $11) 44... Nd3 $17 45. Qc2 N7c5 46. Bd1 Na6 {Black is much more active. Pair of Knights!} 47. h4 Bf6 48. Qd2 Qxc4 49. Qxa5 $2 {[%mdl 8192] [#]} (49. Ne3 $17 {is a better chance.} Qc7 50. Bf3) 49... Qa2 $1 $19 {[%csl LRb1,LRf2] Black is clearly winning.} 50. Rb6 (50. Rb5 $142 Nxf2+ 51. Bxf2 Qxf2 52. Qe1) 50... Nxf2+ 51. Bxf2 Qxf2 {Weighted Error Value: White=0.48/Black=0.13 (very precise)} 0-1

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.25"]
[Round "2.10"]
[White "Haria, Ravi"]
[Black "Sebag, Marie"]
[Result "1/2-1/2"]
[ECO "B52"]
[WhiteElo "2490"]
[BlackElo "2460"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,53,-8,-3,-8,-8,-10,16,22,12,19,17,24,31,10,22,11,42,0,13,0,28,15,14,14,10,10,11,14,20,11,11,19]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. O-O Nc6 6. c3 Nf6 7. Qe2 e6 8. d4 cxd4 9. cxd4 d5 10. e5 Ne4 11. Nbd2 Nxd2 12. Bxd2 Be7 13. g3 {Nowadays more popular than 13.Rac1. B52: Sicilian: Moscow Variation with 3...Bd7.} O-O 14. Kg2 f6 15. exf6 Bxf6 16. Bc3 {[#]} Rae8 $146 ({Predecessor:} 16... a6 17. a4 Rac8 18. h4 Ne7 19. Rfe1 Rc6 20. Bb4 Rfc8 21. Rad1 Nf5 22. Bc5 b6 {½-½ (30) Lewtak,D (2383)-Kyc,J (2250) Krakow 2021}) 17. Rfe1 Rf7 18. Rad1 {[%cal Ba1d1,Bd1d3,Bd3e3][%mdl 32]} h6 19. Rd3 Bd8 20. Re3 {[%cal Re3e6]} Ref8 21. h4 a6 22. Rf1 Rf5 {The position is equal.} 23. Ne5 Nxe5 24. Rxe5 Rxe5 25. Qxe5 Bf6 26. Qe3 Rc8 27. Re1 {An interesting draw.  Weighted Error Value: White=0.09 (flawless) /Black=0.09 (flawless)} 1/2-1/2

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.26"]
[Round "3.1"]
[White "Houska, Jovanka"]
[Black "Brunello, Sabino"]
[Result "0-1"]
[ECO "D45"]
[WhiteElo "2365"]
[BlackElo "2492"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,64,22,0,0,5,10,0,6,0,0,0,3,0,30,29,30,18,17,13,18,25,23,16,14,20,22,16,28,29,32,10,22,0,0,0,0,0,0,-20,-12,-22,-11,-48,-45,-58,-50,-228,-222,-859,-854,-831,-821,-893,-743,-801,-732]} 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Be2 b6 {D45: Semi-Slav: 5 e3.} 7. O-O Bb7 8. b3 Bd6 {The position is equal.} 9. Bb2 O-O 10. Bd3 Qe7 11. Re1 Ba3 12. Bxa3 Qxa3 {[#]} 13. Rc1 $146 ({Predecessor:} 13. e4 dxe4 14. Nxe4 Rfd8 15. Qc2 c5 16. d5 Nxe4 17. Bxe4 Nf6 18. Ng5 exd5 19. Bxh7+ {1-0 (30) Jelen,I (2338)-Brcar,A (2137) Ljubljana 2021}) 13... Rad8 14. Qc2 h6 15. cxd5 exd5 16. Nh4 Rfe8 17. Ne2 {[%cal Bc3e2,Be2g3,Bg3f5][%mdl 32]} Nf8 {[%cal Bd7f8,Bf8e6,Be6f4][%mdl 32]} 18. h3 Ne6 19. Nf3 c5 20. Ng3 Rc8 {[#] And now ...cxd4 would win.} 21. Qb1 (21. dxc5 {is interesting.} Nxc5 22. Bf5 Nd3 23. Bxc8 Nxe1 24. Rxe1 Rxc8 25. Qb1) 21... cxd4 22. Rxc8 Rxc8 23. exd4 Nf4 24. Nf5 Rc3 25. Ne5 Bc8 $36 {[%cal Bb7c8,Bc8f5,Bf5e4][%mdl 2080] Black fights for an advantage.} 26. Bf1 Ne4 27. Nc4 Rxc4 {Dancing on a razor blade.} 28. bxc4 {This move loses the game for White.} (28. Nxh6+ $1 $15 gxh6 29. bxc4) 28... Bxf5 $19 29. Qb5 $2 (29. Qc1 Qd6 30. Qe3) 29... Qxa2 {Black is clearly winning.} 30. Rxe4 Bxe4 31. c5 Qb1 {[#] aiming for ...Qe1.} 32. cxb6 Qxb5 {Weighted Error Value: White=0.51/Black=0.11 (very precise)} 0-1

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.26"]
[Round "3.2"]
[White "Cramling, Pia"]
[Black "Haria, Ravi"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2452"]
[BlackElo "2490"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,88,16,22,14,19,0,7,0,0,0,0,0,0,0,0,0,8,0,0,-6,-7,-33,-16,-14,0,-10,0,0,7,-25,0,-33,-26,-21,0,0,0,-23,-22,-22,-26,-22,-31,-45,-39,-45,-26,-72,-71,-134,-135,-124,-126,-127,-119,-101,-120,-122,-111,-106,-5,-4,0,0,0,0,0,-3,-8,-4,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. c4 e6 3. d4 d5 4. Nc3 Bb4 5. Qa4+ Nc6 6. e3 O-O 7. Qc2 {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4).} b6 8. Bd2 Bb7 9. cxd5 exd5 10. Bd3 Re8 11. O-O a6 12. a3 Bd6 13. b4 Nb8 {[#]} 14. Ne2 $146 ({Predecessor:} 14. b5 a5 15. a4 Nbd7 16. Bc1 Qe7 17. Qb3 Ne4 18. Nxd5 Qe6 19. Bc4 Qg6 20. Ba3 {1-0 (31) Chatalbashev,B (2552)-Docx,S (2427) Ghent 2017}) 14... Nbd7 15. Ng3 g6 16. Bc3 Qe7 17. Rfc1 c6 18. Nd2 h5 19. Ngf1 Ne4 20. Bb2 h4 {[%cal Oh4h3]} 21. f3 Nxd2 22. Qxd2 Nf6 {[%cal Oh4h3,Bd7f6,Bf6h5,Bh5g7,Bg7e6][%mdl 32] To avoid e4} 23. Re1 Nh5 24. e4 Bf4 25. Qf2 Qg5 26. e5 a5 27. Bc3 axb4 28. axb4 Ng7 29. Rxa8 (29. Kh1 $11) 29... Rxa8 $17 30. Ra1 ({White should play} 30. Kh1) 30... Rxa1 31. Bxa1 Ne6 32. g3 c5 33. bxc5 bxc5 34. Kh1 hxg3 35. hxg3 Qh6+ ({Don't take} 35... cxd4 36. gxf4 Qxf4 37. Bb2 $16) ({Better is} 35... Bc1 $17 36. f4 Qg4) 36. Qh2 $1 $11 {The position is equal.} Qxh2+ 37. Kxh2 Bc1 38. dxc5 Nxc5 39. Be2 Nb3 40. Bc3 d4 41. Bb4 Na1 42. Kg1 Nc2 43. Bd2 Bb2 44. Bd3 Ne3 {Weighted Error Value: White=0.08 (flawless) /Black=0.10 (very precise)} 1/2-1/2

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.26"]
[Round "3.3"]
[White "Abdumalik, Zhansaya"]
[Black "Bellahcene, Bilel"]
[Result "0-1"]
[ECO "C18"]
[WhiteElo "2491"]
[BlackElo "2512"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,82,10,0,16,10,10,-14,0,0,0,0,14,-64,-45,-42,0,-47,-36,-49,-41,-48,-33,-77,-56,-92,-70,-72,-62,-83,-96,-75,-66,-74,-33,-142,-150,-145,-143,-154,-138,-170,-75,-78,0,-151,-140,-147,-152,-142,-139,-243,-20,-403,-430,-425,-366,-462,-470,-515,-520,-704,-710,-700,-681,-1035,-1185,-1197,-1090,-1209,-1194,-1137,-1037]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Nc6 7. a4 Qa5 {C18: French: 3 Nc3 Bb4: Main line: 7 h4 and 7 Qg4.} 8. Bd2 Nge7 9. h4 Bd7 {[#] The position is equal.} (9... cxd4 10. cxd4 Qc7 11. Nf3 $14) 10. Qg4 $146 ({Predecessor:} 10. Nf3 Qc7 11. h5 h6 12. Bd3 O-O-O 13. Rh4 c4 14. Be2 Rdf8 15. Rg4 Rhg8 16. Kf1 Nf5 17. a5 Nxa5 18. Bc1 {0-1 (51) Niemann,H (2466)-Xu,G (2207) Chess.com INT 2019}) 10... O-O-O 11. Nf3 f6 12. Qxg7 (12. Bb5 $11) 12... Nf5 (12... Rhg8 $5 {[%cal Rg8g7]} 13. Qh6 (13. Qxf6 Rdf8 $17) (13. Qxh7 Nf5 $11) 13... fxe5 14. Nxe5 (14. dxe5 c4 $11) 14... Nxe5 15. dxe5 Qc7 $15) 13. Qg4 fxe5 (13... Qc7 $15) 14. dxe5 (14. Nxe5 $11 Nxe5 15. dxe5) 14... Qc7 $15 15. Qf4 Rdf8 {[%cal Of5d4][%mdl 1024] [#] ...Nfd4! is the strong threat. Black has compensation.} 16. Qh2 $1 Be8 17. h5 (17. Ng5 $1 $15 Ng7 18. f4) 17... Rhg8 $17 18. Ng5 Qe7 19. Nf3 Rg4 20. Be2 Rfg8 21. g3 Qc7 (21... Re4 $6 22. Kd1 $15) 22. Kd1 Qa5 (22... d4 $17 {Threatens to win with ...dxc3.} 23. c4 Nxe5) 23. Ne1 (23. Kc1 $15) 23... Rxa4 {Black is much more active. White has bad knights.} 24. Rxa4 Qxa4 25. g4 Nfe7 26. Qg3 d4 (26... Qa1+ $19 {has better winning chances.} 27. Bc1 a5) 27. c4 b5 (27... Qa1+ $17 28. Bc1 d3 29. Bxd3 Nxe5) 28. Rh3 $2 (28. Qd3 $1 $11) 28... bxc4 {[%cal Bb5c4,Bc4c3][%mdl 32]} 29. Qa3 {Inhibits Qa1+.} Qxa3 (29... Nxe5 $2 30. Qxc5+ N7c6 31. Ra3 $18) 30. Rxa3 Nd5 ({Much worse is} 30... Nxe5 $6 31. Rxa7 N5c6 32. Ra4 $11) 31. f4 (31. Bxc4 $17 {was necessary.} Rxg4 32. h6) 31... Kb7 $2 ({Better is} 31... c3 $19 32. Bc1 Kb7) 32. g5 $2 {[%mdl 8192] [#] This move loses the game for White.} (32. Bxc4 $11 Rxg4 33. Nd3) 32... c3 $1 $19 33. Bc1 Ncb4 34. Bg4 Rf8 {Black is clearly winning.} 35. Ng2 Bc6 36. g6 hxg6 ({And not} 36... Nxc2 37. Kxc2 Nb4+ 38. Kd1 Bxg2 39. g7 $17) 37. hxg6 Ne7 38. Nh4 Rh8 39. Nf3 Nxg6 {aiming for ...Rh1+.} 40. Rb3 Rh1+ 41. Ne1 Rg1 {Weighted Error Value: White=0.59/Black=0.23 (precise)} 0-1

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.26"]
[Round "3.4"]
[White "Sukandar, Irine Kharisma"]
[Black "Aziz, Husain"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2407"]
[BlackElo "2357"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,67,0,0,0,0,1,0,0,0,15,0,0,0,0,0,0,-9,6,8,14,17,11,0,0,0,0,0,0,0,0,0,0,0,0,0,4,6,10,0,0,0,0,-41,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. dxe5 Nxb5 7. a4 Nbd4 {C67: Ruy Lopez: Berlin Defence: 4 0-0 Nxe4.} 8. Nxd4 d5 9. c3 Be7 10. f4 f6 11. Be3 O-O 12. Nxc6 bxc6 13. Nd2 fxe5 14. fxe5 Bf5 15. Nb3 Qe8 {[#]} 16. Nd4 $146 ({Predecessor:} 16. Nc5 Qg6 17. Qe1 a5 18. b4 h5 19. Qg3 Qxg3 20. hxg3 g6 21. Rf2 Rfe8 22. Re2 Bg4 23. Ree1 Bf5 24. Re2 Bg4 25. Ree1 Bf5 26. Re2 {½-½ (26) Lagno,K (2559)-Injac,T (2370) Krasnaya Polyana 2021}) 16... Qg6 17. Nxf5 Rxf5 18. Qd4 Rxf1+ 19. Rxf1 a5 20. h3 Qe6 21. c4 h6 22. Rc1 Rd8 23. Bf4 Rb8 24. Bd2 {Prevents Rb4.} Bb4 25. Be3 Rd8 26. Bf4 Rd7 27. Kh1 (27. Qd3 $11 {is superior.}) 27... Rf7 (27... c5 $1 $15 28. Qd3 (28. cxd5 Qxh3+ 29. gxh3 cxd4 $17) 28... dxc4) 28. Bg3 $11 {The position is equal.} Rd7 29. Rd1 {[%cal Bc1d1,Bd1d3,Bd3f3][%mdl 32]} Kh7 30. Kh2 Kg8 31. Rd3 Qf5 32. Rf3 Qe6 33. Rd3 Qf5 34. Rf3 {An interesting draw.  Weighted Error Value: White=0.03 (flawless) /Black=0.03 (flawless)} 1/2-1/2

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.26"]
[Round "3.5"]
[White "Girya, Olga"]
[Black "Csonka, Balazs"]
[Result "1/2-1/2"]
[ECO "D28"]
[WhiteElo "2416"]
[BlackElo "2480"]
[Annotator "TA"]
[PlyCount "39"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,39,39,15,27,26,23,31,39,49,32,34,37,42,31,35,38,51,16,27,45,51,41,31,0]} 1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 a6 6. O-O b5 7. Bd3 Bb7 8. a4 b4 9. Qe2 c5 10. Rd1 {D28: Queen's Gambit Accepted: Classical main line: 7 Qe2 with early ...Nc6.} Nbd7 11. Nbd2 Be7 12. Nc4 O-O 13. e4 {[%cal Be3e4,Be4e5][%mdl 32]} cxd4 14. Nxd4 Nc5 {[%csl LRd4,LRe4]} 15. Bc2 {[%cal Od4e6] And now Nxe6! would win.} Qc7 {[%cal Rc5e4]} 16. e5 Nd5 {[#]} 17. Qg4 $146 ({But not} 17. Qh5 g6 18. Qe2 Rfd8 $11) ({Predecessor:} 17. Bd2 a5 18. Qg4 f5 19. Qg3 Qd8 20. Rac1 Rc8 21. Nd6 Bxd6 22. exd6 Qf6 23. Bg5 {½-½ (119) Kulick,N (2439)-Hrubcik,M (2425) ICCF email 2019}) 17... Rfc8 18. Bh6 {[%csl Gh6][%cal Rg4g7] [#]} g6 19. Qg3 b3 20. Bb1 {Weighted Error Value: White=0.03 (flawless) /Black=0.03 (flawless)} 1/2-1/2

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.26"]
[Round "3.6"]
[White "Muzychuk, Mariya"]
[Black "Cheng, Bobby"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "2539"]
[BlackElo "2550"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,104,11,16,8,24,24,16,0,12,20,21,0,-9,-11,-23,-25,-10,-33,-27,-32,-28,-17,0,13,0,0,22,26,18,24,31,26,22,29,61,58,78,75,113,109,107,100,106,104,105,53,50,30,41,33,31,0,19,19,16,12,17,12,12,12,13,13,13,14,35,29,52,33,33,8,11,11,12,12,14,4,19,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. O-O a6 5. Bd3 Ngf6 6. c3 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} e6 7. Re1 b5 8. Bc2 Bb7 9. d4 Be7 10. Bg5 h6 11. Bh4 {[#]} g5 $146 ({Predecessor:} 11... O-O 12. Nbd2 Rc8 13. Nf1 Qc7 14. Rc1 Rfd8 15. h3 Nf8 16. Qe2 Ng6 17. Bg3 e5 {0-1 (27) Rahn,M (1179)-Peroza,E (1830) Sao Bento do Sul 2020}) 12. Bg3 Nh5 13. dxc5 dxc5 ({Don't play} 13... Nxg3 14. cxd6 Bf6 15. hxg3 $16) 14. Bd6 $1 Bxd6 (14... g4 {keeps more tension.} 15. Ne5 Nxe5 16. Bxe5 Rg8 17. a4 Rg5) 15. Qxd6 Qb6 16. Qxb6 Nxb6 17. Nbd2 {[%cal Bb1d2,Bd2b3,Bb3a5][%mdl 32]} Rd8 18. Nb3 Na4 19. Na5 {[#] And now Bxa4 would win.} Ba8 20. Bxa4 bxa4 21. Ne5 O-O 22. f3 a3 23. bxa3 {Rad1 is the strong threat.} Nf4 24. Rad1 {Inhibits Rd2. aiming for Nd7.} Ne2+ 25. Kf2 Nxc3 26. Rc1 Na4 27. Rc4 {White is more active.} (27. Red1 $16) 27... Rd4 $14 {To avoid Nd7} 28. Rxd4 cxd4 29. Rd1 Rd8 30. Nec6 Bxc6 31. Nxc6 Rd6 {[#]} 32. Rxd4 $1 Rxc6 33. Rxa4 $11 {[%mdl 4096] Endgame KR-KR} Kg7 34. Kg3 Kg6 35. Ra5 f6 36. h4 Rb6 37. Rc5 Rd6 38. hxg5 hxg5 39. Ra5 Rc6 {The position is equal.} 40. Kg4 Rd6 41. Rc5 Rd2 42. g3 {next Rc6 is good for White.} Rd6 {Prevents Rc6.} 43. f4 Rd4 44. Ra5 Rxe4 {Hoping for ...gxf4.} 45. Kf3 ({Of course not} 45. Rxa6 gxf4 46. gxf4 e5 $17) 45... f5 46. fxg5 Kxg5 47. Rxa6 Kf6 48. a4 Rc4 49. a5 Rc3+ 50. Kg2 Rc2+ 51. Kf3 Rxa2 52. Ra8 Ra3+ {Weighted Error Value: White=0.06 (flawless) /Black=0.06 (flawless)} 1/2-1/2

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.26"]
[Round "3.7"]
[White "Batsiashvili, Nino"]
[Black "Rosen, Eric"]
[Result "0-1"]
[ECO "E52"]
[WhiteElo "2491"]
[BlackElo "2356"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,82,5,8,-7,12,0,-6,-22,-24,-41,0,-29,0,0,0,-21,-31,-38,-30,-30,-23,-61,-56,-46,-25,-45,-44,-141,-71,-89,-58,-40,-33,-54,-44,-299,-309,-292,-146,-404,-380,-401,-356,-497,-492,-578,-567,-688,-677,-721,-705,-674,-475,-668,-665,-916,-910,-882,-762,-875,-749,-785,-762,-914,-914]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. e3 Bb7 6. Bd3 O-O 7. O-O d5 8. cxd5 exd5 9. Ne5 Nbd7 {9...Bd6 might become the main line.} 10. f4 c5 11. Qf3 {E52: Nimzo-Indian: Rubinstein: 4...0-0 5 Nf3 d5 6 Bd3 b6.} Re8 12. Qh3 Nf8 {[#]} 13. Bb5 $146 {The position is equal.} ({Predecessor:} 13. Bd2 Rc8 14. a3 Bxc3 15. Bxc3 c4 16. Bc2 Ne4 17. Bxe4 dxe4 18. d5 f6 19. Ng4 {½-½ (59) Cherepkov,A-Kholmov,R Almaty 1969}) 13... Re7 14. Bd2 a6 (14... Rc8 $15) 15. Ba4 b5 16. Bc2 Rc8 17. Be1 Bxc3 18. bxc3 ({Of course not} 18. Bxc3 cxd4 19. exd4 b4 20. Bxb4 Rxc2 $17) 18... cxd4 19. exd4 Ne4 {[%cal Ob5b4]} 20. Rd1 f6 21. Ng4 Qc7 {[%cal Re4c3]} 22. Rc1 Kh8 {[%cal Re4c3]} 23. Bb3 {[#]} (23. Bxe4 $15 Rxe4 24. Nf2) 23... a5 {Black is more active.} ({Better is} 23... Ne6 $1 {[%cal Re6d4] aiming for ...Nxd4!} 24. Qe3 h5) 24. Ne3 $17 Rd8 {[%cal Ob5b4]} 25. Qf3 b4 {[%cal Rb4c3]} 26. Nf5 Ree8 27. Rc2 $2 {[%mdl 8192]} ({White should try} 27. Ba4 $15) 27... Qd7 $19 {Threatens to win with ...a4.} 28. Qg4 {[%cal Ob3a4]} Nd6 (28... Ne6 $19 29. Rc1 Ba6) 29. Nxd6 $4 {[%mdl 8192] Loses the game.} (29. Ba4 $17 Qxf5 30. Qxf5 Nxf5 31. Bxe8 Rxe8 32. Bd2) 29... Qxg4 30. Nxb7 Rb8 31. Nxa5 bxc3 {Black is clearly winning.} 32. Rxc3 Ne6 {[%csl LRd4,LRf4]} 33. Rg3 Qf5 34. Nc6 Rbc8 35. Ba4 Qe4 36. Bf2 (36. Bb5 $142 Nxf4 37. Rgf3 Ne2+ 38. Kh1) 36... Nxf4 37. Rf3 g5 {[%cal Of4g2] White must now prevent ...Nxg2!} 38. h3 Ra8 39. Bb5 Rxa2 {Strongly threatening ...Rea8.} 40. Nb4 {[#]} Rxf2 $1 41. R3xf2 (41. R1xf2 Rb8) 41... Rb8 {Weighted Error Value: White=0.81/Black=0.25 (precise)} 0-1

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.26"]
[Round "3.8"]
[White "Efroimski, Marsel"]
[Black "Bwalya, Gillan"]
[Result "1/2-1/2"]
[ECO "B43"]
[WhiteElo "2429"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,76,0,0,8,32,36,36,23,95,0,16,13,6,0,0,0,0,0,0,0,0,0,0,-37,-4,-18,0,0,0,-6,-7,-25,-7,-34,-12,-29,0,-3,1,0,20,18,16,0,33,0,0,-13,0,0,10,-43,-16,-7,-20,-65,39,36,31,0,27]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. a3 Bb7 7. g3 Qc7 8. Bg2 Nf6 9. O-O d6 10. Re1 {[%cal Oc3d5] With the idea Nd5! B43: Sicilian: Kan Variation: 5 Nc3.} Be7 11. a4 bxa4 12. Rxa4 {White is slightly better.} O-O {[#]} (12... Nbd7 $11) 13. Qe2 {White is much more active.} ({Better is} 13. Rb4 $1 $16 {[%cal Rb4b7] Rxb7! is the strong threat.} Nfd7 {[#]} 14. Nf5 $1) 13... Rc8 $11 {[#]} 14. Nb3 $146 {[%cal Bd4b3,Bb3a5,Ba5c4][%mdl 32]} ({Predecessor:} 14. Be3 Nfd7 15. Nb3 Nb6 16. Ra2 Nc6 17. Na4 Nd7 18. Qd2 a5 19. Raa1 Nce5 20. Nd4 {0-1 (64) Simonian,H (2494)-Olszewski,M (2543) Warsaw 2010}) 14... Nc6 15. Bf4 Nd7 16. Rd1 Rab8 17. Raa1 Nce5 18. Na5 Ba8 19. Bc1 Nc5 20. f4 Nc6 21. Nc4 Nb4 {[%cal Oc5e4] And now ...Nxe4! would win.} 22. Ne3 Re8 23. h3 Bf8 24. Qc4 Qb6 {[%cal Oc5e4]} 25. Kh2 Rbc8 {[%cal Oc5e4] Strongly threatening ...Nxe4!} 26. Qf1 h6 27. Qf2 Nd7 28. Na4 Qb8 29. c3 Nc6 30. b4 {Inhibits Na5.} Nf6 31. Ng4 Nd7 32. Nb2 Bb7 (32... h5 $5 {[%cal Rh5g4]} 33. Ne3 Na7 $14) 33. Ne3 Ne7 34. Na4 ({White should play} 34. Nbc4 $11 Ng6 35. Bb2) 34... Bc6 35. Nb2 Nf6 {[%cal Bd7f6,Bf6e4,Be4c3][%mdl 32]} 36. Qc2 (36. Nec4 $11 Ng6 37. Qe3 (37. Rxa6 Bxe4 38. Bd2 d5 $17)) 36... d5 (36... Qa8 $15 37. Rd4 (37. Rxd6 Bxe4 38. Bxe4 Qxe4 $17) 37... e5 38. fxe5 dxe5) 37. e5 $14 ({Reject} 37. Rxa6 Nxe4 38. Bxe4 dxe4 $15) 37... Ne4 38. Rxa6 (38. Bxe4 $5 dxe4 39. Rxa6 $14) 38... Nxc3 {Weighted Error Value: White=0.15 (very precise) /Black=0.17 (very precise)} 1/2-1/2

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.26"]
[Round "3.9"]
[White "Sebag, Marie"]
[Black "Gallagher, Joseph G."]
[Result "1/2-1/2"]
[ECO "B52"]
[WhiteElo "2460"]
[BlackElo "2447"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,31,25,18,16,25,16,23,15,28,32,33,19]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 Nf6 6. Nc3 g6 7. d4 cxd4 8. Nxd4 Bg7 9. f3 O-O 10. Be3 Nc6 11. O-O a6 12. Qd3 {B52: Sicilian: Moscow Variation with 3...Bd7.} Rfc8 $1 {[%mdl 4] is recently more successful than 12...Ne5.} 13. b3 $1 b5 14. cxb5 Ne5 15. Qd2 d5 $1 16. Nc6 {[#] White took control after the opening.  Weighted Error Value: White=0.01 (flawless) /Black=0.01 (flawless)} {Predecessor:} Nxc6 $146 17. bxc6 Rxc6 18. e5 Ne8 19. f4 e6 20. Ne2 Bf8 21. Nd4 Rc7 22. Rac1 Rac8 23. Rxc7 Rxc7 {½-½ (58) Esipenko,A (2592)-Grandelius,N (2651) Riga 2021} 1/2-1/2

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.26"]
[Round "3.10"]
[White "Mammadzada, Gunay"]
[Black "Krysa, Leandro"]
[Result "0-1"]
[ECO "B15"]
[WhiteElo "2470"]
[BlackElo "2516"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,78,31,39,31,33,46,34,21,23,25,16,25,10,22,7,0,0,0,0,-3,-64,-87,-97,-71,-90,-97,-105,-22,-149,-145,-229,-211,-295,-293,-298,-293,-282,-297,-302,-310,-326,-345,-431,-435,-412,-362,-418,-313,-318,-274,-318,-306,-319,-325,-318,-308,-383,-381,-376,-368,-12833,-12834,-12833,-12829,-6295,-1952]} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. c3 Bd6 7. Bd3 O-O 8. Qc2 Re8+ {B15: Caro-Kann: 3 Nc3: 3...g6 and 3...dxe4 4 Nxe4 Nf6 5 Nxf6+ exf6.} 9. Ne2 h5 10. Be3 Nd7 {White is slightly better.} 11. O-O-O Nf8 12. c4 Be6 13. Kb1 Rc8 {[%cal Ob7b5]} 14. a3 Ng6 {[#]} 15. h3 $146 {[%cal Og2g4]} ({Predecessor:} 15. Nc3 Nf4 16. Bf1 Qa5 17. Qd2 Ng6 18. Be2 c5 19. Nb5 Qxd2 20. Rxd2 Bf4 21. Nxa7 {½-½ (74) Milov,L (2450)-Deuer,M (2282) Heusenstamm 2021}) 15... h4 16. f4 f5 {[%cal Ob7b5]} 17. Bc1 ({White should play} 17. Rhe1 $11) 17... b5 $1 $15 {Black is more active.} 18. c5 Bc7 19. Nc3 {[%cal Od4d5] [#]} Ne7 {Prevents d5.} (19... Nxf4 20. Bxf4 Bxf4 21. Bxf5 $11) (19... Qxd4 $6 20. Bxf5 Bxf5 21. Qxf5 $11) (19... Bxf4 20. d5 cxd5 21. Nxb5 $14) 20. Rhe1 {[%cal Od4d5] [#]} Qd7 {To avoid d5} (20... Rb8 $1 $17 {Hoping for ...b4.} 21. d5 Nxd5 22. Bxf5 Nxc3+ 23. bxc3 Qf6 24. Bxe6 Rxe6) 21. Qf2 {White is now going downhill.} (21. d5 $1 $11 Nxd5 22. Nxd5 cxd5 23. c6) 21... a5 $17 22. Na2 {To avoid b4} (22. Bc2 $17) 22... b4 $19 ({Inferior is} 22... Qd5 23. Nc3 Qd7 24. Bc2 $17 (24. Qxh4 b4 $17)) 23. a4 Bb3 {...Qd5 is the strong threat.} ({Don't blunder} 23... Qd5 $2 24. Rxe6 Qxe6 25. Qxh4 $19) 24. Bc2 Bxc2+ 25. Kxc2 Qd5 26. Kb1 Ng6 27. Bd2 Re4 28. Rxe4 Qxe4+ 29. Ka1 Qc2 30. Qf3 Qxa4 31. Kb1 Ne7 {[%cal Bg6e7,Be7d5,Bd5c3][%mdl 32]} 32. Nc1 Nd5 33. g4 hxg3 34. Rg1 Bd8 {Threatens to win with ...Bh4.} 35. Qd3 Bf6 {[%cal Od5c3] White must now prevent ...Nc3+!} 36. Qxf5 Rb8 {[%cal Od5c3] Strongly threatening ...Nc3+!} 37. Qd3 {[#] To avoid Nc3+} (37. Qc2 Qxc2+ 38. Kxc2) 37... Nc3+ $1 {[%mdl 512] Black is clearly winning.} 38. Bxc3 bxc3 {[%csl Gc3][%cal Rb8b2]} 39. Rg2 cxb2 {Weighted Error Value: White=0.40/Black=0.11 (very precise)} (39... Rxb2+ $142 40. Rxb2 cxb2 41. Kxb2 Bxd4+ 42. Kb1 Qb4+ 43. Kc2 g2) 0-1

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.27"]
[Round "4.1"]
[White "Csonka, Balazs"]
[Black "Muzychuk, Mariya"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "2480"]
[BlackElo "2539"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,27,31,10,15,18,13,19,14,20,17,18,31,12,25,27,18,13,21,21]} 1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. Be2 Bc5 {B11: Caro-Kann: Two Knights Variation.} 7. O-O Ne7 8. Na4 Bd6 9. d4 dxe4 10. Qxe4 Nd7 {Prevents Nc5.} 11. Rd1 Qa5 {[#] White must now prevent ...Nf6.} 12. Nc3 Nf6 13. Qf3 Qf5 14. Qxf5 {[#] A rather calm draw.  Weighted Error Value: White=0.06 (flawless) /Black=0.03 (flawless)} {Predecessor:} Nxf5 $146 15. g3 h6 16. Bf3 Rd8 17. Ne4 Be7 18. c3 O-O 19. h4 Rd7 20. b4 Nxe4 21. Bxe4 {½-½ (27) Wachinger,N (2347)-Sai Agni,J (2319) Novi Sad 2021} 1/2-1/2

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.27"]
[Round "4.2"]
[White "Krysa, Leandro"]
[Black "Abdumalik, Zhansaya"]
[Result "1/2-1/2"]
[ECO "D90"]
[WhiteElo "2516"]
[BlackElo "2491"]
[Annotator "TA"]
[PlyCount "48"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,48,-1,31,28,57,68,75,70,108,54,66,44,66,38,43,49,85,65,62,76,55,64,69,34,141,121,149,111,96,-11,-17,-20,-13,-18,-22,-36,-8,-12,-12,-38,-33]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. h4 h5 6. Bg5 {D90: Grünfeld: 4 Nf3 Bg7 sidelines.} c5 7. dxc5 {[%cal Rc4d5]} Qa5 8. cxd5 {[#] White is better.} Nbd7 $146 {[%cal Of6d5]} ({Predecessor:} 8... O-O 9. Rc1 Nbd7 10. Qa4 Qxc5 11. e4 Ng4 12. Nd1 Qd6 13. Qa3 Ndf6 14. Bd3 Bd7 15. Qxd6 exd6 {1-0 (67) Egresi,M (2341)-Szalanczy,E (2126) Ajka 2019}) 9. Qd2 ({White should play} 9. Qd4 $16) 9... Nxc5 $14 {[%cal Oc5b3] [#] White must now prevent ...Nb3!} 10. Rc1 {[%cal Oe2e4]} O-O 11. e3 (11. e4 $5) 11... Rd8 12. Bc4 $1 a6 13. a3 b5 14. Ba2 {And now b4 would win.} b4 15. axb4 Qxb4 16. O-O {Threatens to win with Ne5.} Bb7 {[#]} ({Better is} 16... a5 $1 $14) 17. Rfd1 $1 $16 Rac8 18. Nd4 {To avoid Nb3} a5 19. Ncb5 (19. f3 $16) 19... Qxd2 $11 20. Rxd2 {aiming for Na7.} Nce4 21. Rdc2 Rxc2 22. Rxc2 Nxg5 23. hxg5 Nxd5 24. Bb3 Kf8 {Weighted Error Value: White=0.23 (precise) /Black=0.22 (precise)} 1/2-1/2

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.27"]
[Round "4.3"]
[White "Brunello, Sabino"]
[Black "Batsiashvili, Nino"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "2492"]
[BlackElo "2491"]
[Annotator "TA"]
[PlyCount "121"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,121,0,4,-14,-25,-33,-25,-53,-29,-81,-28,-34,-27,-30,9,0,22,18,0,0,25,39,92,92,83,95,81,76,134,43,38,0,28,0,0,0,0,0,49,36,64,28,22,10,47,0,0,0,0,0,0,0,0,0,0,0,0,7,70,0,0,0,0,0,0,0,0,0,22,34,39,26,37,-14,0,-56,0,0,0,0,37,-8,0,1,8,0,0,0,0,0,127,107,244,296,285,285,1556,1608,29977,29978,29978,29979,29979,29980,29980,29981,29981,29982,29982,29983,29983,29984,29984,29985]} 1. d4 d5 2. c4 e6 {[%cal Be7e6,Be6e5,Be5e4][%mdl 32]} 3. Nc3 a6 4. c5 e5 5. e3 Nc6 6. Nf3 {D31: Queen's Gambit Declined: Semi-Slav without ...Nf6 (+ Marshall Gambit and Noteboom) and Exchange Variation lines without ...Nf6.} e4 {[#]} 7. Ng1 $146 ({Predecessor:} 7. Nd2 h5 8. b4 h4 9. h3 Nh6 10. Rb1 Ne7 11. a4 g5 12. b5 axb5 13. axb5 {½-½ (53) Korobov,A (2690)-Warmerdam,M (2595) Chess.com INT 2021}) 7... Nf6 8. Bd2 {Black has an edge.} h5 9. h4 (9. f3 $11 {remains equal.}) 9... Bg4 (9... g6 $17) 10. f3 exf3 11. gxf3 Bf5 12. Qa4 Be7 13. Nge2 (13. Bh3 $5 {[%cal Rh3f5]} Qd7 14. Nce2 $11 (14. Bxf5 Qxf5 15. Nce2 O-O-O $11)) 13... O-O 14. Nf4 b5 15. cxb6 Nb4 (15... Qd7 $14) 16. bxc7 $16 (16. b7 $6 Rb8 $11) 16... Qxc7 17. Rc1 {[%cal Oc3d5] Prevents Nc2+.} Bd7 18. Qd1 {[%cal Oc3d5] [#] Black must now prevent Ncxd5!} Qd8 (18... Qd6 $142) 19. Kf2 (19. a3 $16 Nc6 20. Bd3 (20. Ncxd5 $2 Nxd5 21. Ng2 Bd6 $19)) 19... Bd6 $14 20. Nce2 Rb8 21. Bxb4 Rxb4 22. b3 Re8 23. Bh3 Qe7 (23... Ng4+ $11 24. Bxg4 (24. fxg4 Qxh4+ 25. Kg1 Bxf4 $11) 24... hxg4) 24. Rc3 (24. Qd2 $5 {[%cal Rh3d7]}) 24... Bb5 25. Qg1 (25. Ng3 $5 {[%cal Rg3f5]} Bxf4 26. exf4 $14) 25... Bxe2 26. Nxe2 Nh7 {Inhibits Qg5.} 27. Bf5 (27. Ng3 $1 $14 {might be stronger.}) 27... g6 $11 28. Bxg6 fxg6 29. Qxg6+ Kh8 30. Qxh5 Rb6 $1 31. Rg1 {Hoping for Rg6.} (31. Qxd5 Nf6 32. Qg5 Qf8 $15) 31... Rc6 {aiming for ...Rxc3.} 32. Rgc1 (32. Rxc6 Qxe3+ 33. Kg2 Qxe2+ 34. Kh3 Qh2+ 35. Kg4 Qxg1+ 36. Kf5 Qb1+) 32... Rxc3 33. Rxc3 Rg8 (33... Qe6 $11) 34. Qh6 (34. Rc1 $1 $14) 34... Qd7 $1 35. Nf4 {The board is on fire.} Bxf4 36. Qxf4 Qg7 37. Qe5 Nf6 {( -> ...Qg1+)} 38. Qg5 {Inhibits Qg1+. Strongly threatening Rc6.} Qe7 39. Qh6+ Nh7 40. Rc5 Qf7 41. Qxa6 (41. Rc6 $14) 41... Rf8 42. Qe2 ({Better is} 42. f4 $11) 42... Qh5 (42... Qg6 $1 $15 43. Rc1 Nf6) 43. Ke1 Qxh4+ 44. Kd2 Qh5 (44... Ng5 45. Rxd5 Nxf3+ 46. Kc3 $16) 45. e4 (45. Kc3 $14 {is superior.}) 45... Ng5 46. exd5 {d6 is the strong threat.} ({Of course not} 46. Rxd5 Rxf3 47. Rd8+ Kg7 48. Rd7+ Kh8 49. Rd8+ Kh7 50. Rd7+ Kh8 51. Rd8+ $15) 46... Re8 47. Qg2 {And now d6 would win.} Qh4 48. Kc3 Qe1+ $1 (48... Re3+ $2 49. Kc4 Rxf3 50. d6 $18 (50. Rc8+ Kh7 $16)) 49. Kc4 Qc1+ (49... Nf7 $1 $11 50. Qh3+ Kg8 51. Qg4+ Kf8) 50. Kb5 $16 Rb8+ {A mistake that costs the game.} (50... Qe3 $16 {keeps fighting.}) 51. Kc6 $1 $18 Qf4 {[#]} 52. d6 $1 Rg8 (52... Nh7 53. Qe2 Qf7 54. Qe5+ Kg8) 53. Qg4 Qf8 54. Rxg5 {KQR-KQR. White mates.} Qa8+ 55. Kb5 {[%cal Rg4h4]} Rb8+ 56. Kc4 {[%cal Rg5h5]} Qa6+ 57. Kc3 {[%cal Rg4h5]} Rc8+ 58. Rc5 Qa5+ 59. Kd3 Qa6+ 60. Ke3 {[%cal Rc5h5]} Re8+ 61. Re5 {Weighted Error Value: White=0.16 (very precise) /Black=0.31} 1-0

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.27"]
[Round "4.4"]
[White "Gallagher, Joseph G."]
[Black "Cramling, Pia"]
[Result "1/2-1/2"]
[ECO "B84"]
[WhiteElo "2447"]
[BlackElo "2452"]
[Annotator "TA"]
[PlyCount "116"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,116,43,52,54,45,48,22,23,21,37,0,0,-22,-26,-30,-37,-32,-34,-14,-7,-14,0,-11,0,-4,-6,-59,-26,-53,-58,-58,-57,-70,-61,-64,-73,-63,-49,-102,-41,-49,-46,-73,-81,-131,-62,-67,-81,-65,-36,-36,-52,-38,-37,-51,-27,-43,0,0,-5,-102,-91,-109,-100,-102,-100,-63,-49,-64,-37,-49,-14,-40,-45,-270,-264,-314,-307,-288,-8,-8,-8,-8,-8,-41,-8,-8,-8,-8,-1,-8,-3,-3,0,-1,0,0,0,-5,0]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 a6 6. Be2 d6 7. Be3 Nf6 8. Qd2 Be7 9. f4 O-O {9...Bd7 is becoming the main line.} 10. O-O-O Nxd4 {B84: Sicilian Scheveningen: 6 Be2 a6, lines without early Be3.} 11. Qxd4 Nd7 12. h4 b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 13. h5 h6 {[#]} 14. Kb1 $146 (14. g4 $5 {[%cal Rg4g5]}) ({Predecessor:} 14. g4 Rb8 15. g5 b4 16. Na4 e5 17. Qd2 Qa5 18. b3 exf4 19. Bxf4 Bxg5 20. Qxd6 Bxf4+ 21. Qxf4 {1-0 (59) Adams,M (2742)-Laznicka,V (2676) Baku 2015}) 14... Rb8 15. Bf3 b4 16. Ne2 e5 17. Qd2 a5 18. Ng3 exf4 19. Bxf4 Ne5 {With the idea ...Nc4.} 20. Nf5 Bxf5 21. exf5 Qc8 {...Nc4 is the strong threat.} 22. Bd5 (22. Bxe5 $11 dxe5 23. Qd7) 22... Qxf5 $15 23. Rdf1 {[%cal Of4h6] Strongly threatening Bxh6!} Bg5 24. Bxg5 Qxg5 25. Qxg5 hxg5 26. Rf5 $1 g4 27. Rd1 Rb6 28. Rd4 ({White should try} 28. Be4 $15) 28... Re8 (28... Kh7 $17) 29. Kc1 {[%cal Od4c4]} Re7 30. Bc4 Rc7 31. Bd5 (31. Be2 $142) 31... Kf8 (31... Kh7 $1 $17 32. b3 Kh6) 32. Kd1 Rc5 33. Bb3 Ra6 34. a3 bxa3 35. bxa3 Rc3 {[%cal Oa5a4]} 36. a4 Rg3 37. Rd2 Re3 38. Rdf2 {[%cal Rb3f7]} Ra7 39. Kd2 (39. Rd2 $11) 39... Re4 $17 40. R2f4 Rxf4 41. Rxf4 {[%mdl 4096] Endgame KRB-KRN} Ke7 $1 {Prevents Be6.} 42. Rd4 Rc7 43. Ke3 $1 Rc6 44. Kf4 Rb6 45. Rd5 Rb4+ 46. Kg3 $2 {[#]} (46. Ke3 $1 $15) 46... f5 $1 $19 {[%cal Bf7f5,Bf5f4][%mdl 32]} 47. Rxa5 f4+ 48. Kh4 {[#]} Re4 $2 (48... g3 $1 $19 {Threatens to win with ...f3+.} 49. Bd5 f3+ 50. Kxg3 Rg4+ 51. Kf2 Rxg2+ 52. Ke3 Rxc2) 49. Ra7+ $11 Kf6 {White must now prevent ...Re1.} 50. Ra8 $1 f3 51. Kg3 Re2 (51... Kg5 $5 {[%cal Re4f4]} 52. Rf8 Re2 53. gxf3 gxf3 $15) 52. gxf3 {The position is equal.} gxf3 53. Rf8+ Ke7 54. Rf5 Rg2+ 55. Kh3 Rg1 56. Kh2 Rg2+ 57. Kh3 Rg1 58. Kh2 Rg2+ {Weighted Error Value: White=0.20 (precise) /Black=0.19 (very precise)} 1/2-1/2

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.27"]
[Round "4.5"]
[White "Bellahcene, Bilel"]
[Black "Sukandar, Irine Kharisma"]
[Result "1-0"]
[ECO "E20"]
[WhiteElo "2512"]
[BlackElo "2407"]
[Annotator "TA"]
[PlyCount "121"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,121,-34,-50,-60,-25,-35,-33,-52,8,4,39,37,61,55,65,35,71,56,67,50,90,95,89,87,100,100,100,96,99,107,107,108,107,88,88,81,90,85,117,100,97,81,99,99,99,102,96,81,75,68,75,75,111,134,125,135,137,137,137,131,126,101,112,120,135,128,150,137,168,164,152,143,143,133,153,139,364,348,291,259,309,286,296,243,176,0,235,227,473,446,558,579,717,716,695,626,623,581,647,629,602,553,608,437,531,493,2469,2399,3822,11090,7879,7879,29986,1027]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. g4 d5 {[#]} 5. a3 $146 ({Predecessor:} 5. Bg2 c5 6. e3 dxc4 7. Nge2 O-O 8. O-O a6 9. a3 Bxc3 10. bxc3 Qc7 11. e4 {0-1 (43) Acosta Cruz,L (1773)-Narvaez Guerra,M (1643) Bucaramanga 2021}) 5... Bxc3+ 6. bxc3 {E20: Nimzo-Indian: 4 g3 and 4 f3.} dxc4 {[%cal Oc7c5]} 7. Qa4+ Nc6 8. Qxc4 {Black is slightly better.} Qd5 (8... Nxg4 $15 9. Nf3 O-O) 9. Qxd5 $11 exd5 10. f3 Bd7 11. Bf4 O-O-O 12. e3 h5 13. g5 Ne8 14. Bd3 Nd6 15. Bxd6 cxd6 16. Ne2 h4 17. Nf4 Ne7 18. a4 a5 19. Kd2 Bc6 20. Rhg1 g6 21. Bc2 Kc7 22. Rgc1 Rb8 23. Bd3 Kd8 24. Ra2 Re8 25. Bc2 Nc8 26. Rb1 Kc7 27. Rab2 {To avoid Nb6} Ne7 28. Ke2 Rec8 29. Rb6 Re8 30. Kf2 Nc8 {[#]} 31. R6b5 {[%mdl 512]} Bxb5 32. Nxd5+ Kd8 {Hoping for ...Bc4.} 33. Rxb5 b6 {[#]} 34. Bd3 $1 {[%mdl 1024] White has strong compensation.} Ne7 35. Nf6 (35. Nxb6 Kc7 36. Nc4 Rxb5 37. axb5 Nd5 $17) (35. Rxb6 Rxb6 36. Nxb6 Kc7 $17) 35... Rh8 36. e4 ({Don't play} 36. Bc4 Rc8 37. Be2 (37. Bxf7 Rxc3 38. Rb2 Rc1 $11) 37... Rxc3 $11) 36... Kc7 37. Bc4 Rhf8 38. Ke3 {White is much more active.} Rb7 39. Rb3 Kb8 40. Kd3 Ka7 41. f4 Rc7 42. Bb5 d5 $2 (42... Rcc8 $16 {was worth a try.} 43. Bc4 Rc6) 43. exd5 $18 (43. Nxd5 Nxd5 44. exd5 f6 $16) 43... Nf5 44. Ne4 {Strongly threatening d6.} Rd8 45. c4 Re7 46. Bc6 Rc7 {[%cal Oc7c6] [#] And now ...Rxc6! would win.} 47. Bb5 (47. Nc3 $142 $1 {[%cal Rc3b5] Threatens to win with Nb5+.} Nxd4 48. Kxd4 Rxc6 49. Ne4) 47... Re7 48. Rb1 Rc7 $2 (48... h3 49. Rb2 Kb7 50. Bc6+ Ka7) 49. Nf6 Re7 50. Ng4 {Prevents Re3+.} Kb8 51. Ne5 Kc7 52. Bc6 Rb8 53. Kc3 ({Not} 53. c5 bxc5 54. Rxb8 c4+ 55. Kxc4 (55. Nxc4 Kxb8 56. Ne5 Kc7 $11) 55... Kxb8 $16) 53... Nd6 54. Re1 {Prevents Ne4+.} Nf5 55. Re2 Kd6 56. Bb5 Rh8 57. h3 Ng3 (57... Rb8 $142 58. Bc6 Rc8) 58. c5+ bxc5 59. Nc4+ Kxd5 60. Rxe7 {[%csl Gc4,Gd4,Gf4][%cal Re7e5]} cxd4+ 61. Kd3 {Weighted Error Value: White=0.14 (very precise) /Black=0.37} (61. Kb2 $142 Kc5 62. Rxf7 Nf5 63. Ne5 Rc8 64. Rf6 Rc7 65. Rxg6 Nd6 66. Bf1) 1-0

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.27"]
[Round "4.6"]
[White "Rosen, Eric"]
[Black "Girya, Olga"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2356"]
[BlackElo "2416"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,68,11,8,0,0,7,6,0,0,14,8,0,11,6,4,0,0,0,0,0,0,0,0,0,0,0,0,-7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 d5 7. Bb5 Ne4 8. cxd4 Bb6 9. Nc3 O-O {The position is equal.} 10. Be3 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} Bg4 11. h3 Bh5 12. Qc2 Nxc3 {is cutting edge theory.} 13. bxc3 f6 14. exf6 Qxf6 15. Be2 ({Much worse is} 15. Ng5 Bg6 16. Qd2 Na5 $17) 15... Na5 16. Ne5 {To avoid Nc4} Bxe2 17. Qxe2 c5 {[#]} 18. O-O $146 {[#] Black must now prevent Nd7.} ({Predecessor:} 18. Nd7 Qc6 19. dxc5 Rfe8 20. Nxb6 axb6 21. O-O bxc5 22. Qf3 Nc4 23. Rad1 Re5 24. Bf4 {½-½ (46) Duboue,P (2421)-Korneev,O (2505) Rochefort 2020}) 18... cxd4 19. cxd4 Qe6 {To avoid Nd7} 20. f4 Nc4 21. Rad1 Rac8 22. g4 {Prevents Qf5.} Nxe5 23. dxe5 Rc4 {[#] aiming for ...Re4.} 24. Bxb6 Qxb6+ 25. Kg2 Rcxf4 26. Rxf4 Rxf4 27. Rxd5 $11 {[%mdl 4096] Endgame KQR-KQR} Qc6 28. Qd3 Rf8 {And now ...Rd8 would win.} 29. Kg3 Qc1 {( -> ...Qe1+)} 30. Qd2 {To avoid Qe1+} (30. Rd8 Qg1+ 31. Kh4 Qe1+ 32. Kg5 Qxe5+ 33. Qf5 Qe7+ 34. Kf4 Qxd8 $19) 30... Qa3+ 31. Rd3 Qc5 32. Rd5 Qa3+ 33. Rd3 Qc5 34. Rd5 Qa3+ {An interesting draw.  Weighted Error Value: White=0.01 (flawless) /Black=0.00 (flawless)} 1/2-1/2

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.27"]
[Round "4.7"]
[White "Cheng, Bobby"]
[Black "Sebag, Marie"]
[Result "1/2-1/2"]
[ECO "D45"]
[WhiteElo "2550"]
[BlackElo "2460"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,51,2,0,0,9,0,0,0,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Be2 b6 9. O-O Bb7 10. Bb2 Rc8 {The position is equal.} 11. Rad1 {11.Rad1 scores better than 11.e4. D45: Semi-Slav: 5 e3.} c5 12. cxd5 cxd4 13. Rxd4 {[#] Threatens to win with dxe6.} Nxd5 $146 ({Predecessor:} 13... exd5 14. Qf5 Qe7 15. Rh4 g6 16. Qg5 Ne4 17. Qh6 f6 18. Nxe4 dxe4 19. Nd4 Ne5 {1-0 (43) Islam,K (2296)-Rahman,S (2188) Dhaka 2018}) 14. Rc4 Rxc4 15. Bxc4 Nxc3 16. Qxc3 {[%csl Gb2][%cal Rc3g7]} Nf6 17. Rc1 Qe7 18. Bd3 Bxf3 19. gxf3 Ba3 20. f4 Bxb2 21. Qxb2 Rd8 22. Be2 g6 23. Bf3 Ne8 24. Qc3 Nd6 25. Qb4 Qd7 26. Rd1 {A balanced but interesting game.  Weighted Error Value: White=0.01 (flawless) /Black=0.01 (flawless)} 1/2-1/2

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.27"]
[Round "4.8"]
[White "Haria, Ravi"]
[Black "Mammadzada, Gunay"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "2490"]
[BlackElo "2470"]
[Annotator "TA"]
[PlyCount "121"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,121,25,27,27,43,19,33,28,21,35,34,33,75,49,70,70,95,77,89,80,95,99,99,96,77,73,171,178,160,175,165,172,271,265,261,261,333,210,246,209,256,208,216,218,225,214,201,142,198,173,187,182,209,205,178,153,136,119,118,90,93,94,84,16,17,39,37,27,14,22,73,72,74,66,66,81,122,106,123,59,71,37,52,8,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,-8,-8]} 1. e4 c5 2. Nc3 a6 3. g3 d6 4. Bg2 Nf6 5. Nf3 e6 6. O-O {B23: Closed Sicilian: Lines without g3.} Be7 7. e5 dxe5 8. Nxe5 {White is slightly better.} O-O 9. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Qc7 10. Nc4 Nc6 (10... Bd7 $14 {might be stronger.}) 11. a5 Bd7 12. d3 {[#]} Be8 $146 ({Predecessor:} 12... Rad8 13. Re1 Qb8 14. Bf4 Qa7 15. Nb6 Ne8 16. Ne4 f5 17. Ng5 Bxg5 18. Bxg5 Nc7 19. Bxd8 Rxd8 20. Qd2 Be8 21. Qc3 {1-0 (21) Shyam,S (2414)-Matta,V (2257) Bhiwani 2010}) 13. Re1 Qd8 14. Bf4 Ra7 15. Ne4 {White is much more active. Black has bad knights.} Nd5 16. Bd6 Bxd6 17. Nexd6 Bd7 (17... Nce7 $16 {was called for.}) 18. c3 Qc7 19. Ne4 Nce7 {[#]} 20. Qb3 $1 {To avoid b6} Nf5 (20... Bb5 {is a better defense.} 21. Qa3 Raa8 22. Nxc5 (22. Qxc5 Qxc5 23. Nxc5 Rac8 $18) 22... Rac8) 21. Nb6 $18 Bc6 22. Nxc5 Nf4 23. Bf1 Ng6 24. Qb4 Rd8 25. Bg2 Bxg2 26. Kxg2 Qc6+ 27. Kg1 h5 28. Nb3 h4 (28... Rxd3 $16 {was worth a try.} 29. Qc4 Qxc4 30. Nxc4 Rd5) 29. Qe4 Qb5 30. Qc4 Ne5 {[#]} 31. Qxb5 Nf3+ 32. Kh1 axb5 33. Red1 h3 34. d4 Nh6 35. Rd3 Ne5 36. Rd2 ({Better is} 36. Re3 $16 Nc4 37. Nxc4 bxc4 38. Nd2) 36... Nc4 $11 37. Nxc4 bxc4 38. Nc5 b6 39. Ne4 Rda8 (39... Rxa5 $11 {remains equal.} 40. Rxa5 bxa5) 40. Ng5 $16 ({Much worse is} 40. Nd6 $6 Rxa5 41. Rad1 b5 $11) 40... Rxa5 41. Rxa5 Rxa5 42. Nxh3 {[%mdl 4096] Endgame KRN-KRN} g5 (42... Kf8 $142) 43. Kg2 f6 44. Ng1 (44. f4 $16) 44... Nf5 45. g4 Ne7 46. Kg3 (46. Nh3 $14) 46... Nd5 $11 {The position is equal.} 47. Nh3 Ra2 $1 {[%cal Od5c3] Strongly threatening ...Nxc3!} 48. Rc2 b5 $1 49. f4 b4 $1 50. cxb4 ({But not} 50. fxg5 $2 bxc3 51. Rxc3 Nxc3 52. bxc3 Rc2 $19) 50... c3 51. Rxc3 Nxc3 52. bxc3 {KR-KN} Rc2 53. fxg5 Rxc3+ 54. Kh4 Kf7 55. Nf4 e5 56. dxe5 fxe5 57. g6+ Kg7 58. Nd5 Rd3 59. Ne7 {Threatens to win with Kg5.} Kf6 60. g7 Kxg7 61. Kg5 {Blacks defense is rewarded with a draw.  Weighted Error Value: White=0.14 (very precise) /Black=0.13 (very precise)} 1/2-1/2

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.27"]
[Round "4.9"]
[White "Bwalya, Gillan"]
[Black "Houska, Jovanka"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2404"]
[BlackElo "2365"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,94,0,-14,-27,-47,-42,-49,9,-52,31,-99,-43,-52,-52,-96,-105,-99,-98,-85,-54,-56,52,74,41,42,89,0,0,-38,-43,-93,-78,-230,-227,-488,-487,-465,-450,-461,-314,-440,-331,-320,-307,-707,-691,-1313,-935,-2164,-1718,-1983,-2369,-29989,-29989,-29992,-2429,-29981,-29981,-29991,-29979,-29983,-29984,-29984,-29985,-29992,-29969,-2182,0,-5631,-5639,-2088,-6791,-6440,-6647,-5302,-5302,-29974,-29975,-29994,-29995]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 c5 7. h4 h5 8. Nf4 Bh7 9. Nxh5 (9. g5 $5 {[%cal Rd1h5]}) 9... Nc6 {B12: Caro-Kann: Advance Variation.} 10. Bb5 Nge7 $1 11. Bg5 (11. dxc5 $2 d4 12. Bxc6+ Nxc6 $17) 11... Qc7 ({Black should play} 11... Qb6 $15 12. dxc5 Qxc5) 12. f4 (12. dxc5 $11 Qxe5+ 13. Be2) 12... a6 (12... cxd4 $15 13. Qxd4 Bxc2) 13. Bxe7 {[#]} (13. Bxc6+ $14 Nxc6 14. dxc5) 13... Qxe7 $146 (13... axb5 $17 14. Bxc5 Bxc5 15. dxc5 Nb4) ({Predecessor:} 13... Bxe7 14. Bxc6+ Qxc6 15. Nxg7+ Kf8 16. Nh5 cxd4 17. Ne2 Bxc2 18. Qxd4 Bc5 19. Qc3 d4 20. Qxc2 Bb4+ {0-1 (20) Moewisch,D (1949)-Pubantz,J (2286) Bremen 2021}) 14. Bxc6+ $15 bxc6 15. Ne2 (15. Ng3 $15 {might be stronger.}) 15... Rb8 {[%mdl 1024] Black has strong compensation.} 16. b3 Be4 17. Rh3 Bg6 (17... Bg2 {feels hotter.} 18. Rg3 Qxh4 19. Kd2 Be4 20. Qg1 Qd8) 18. Neg3 Qa7 (18... cxd4 $15 19. Qxd4 Qa3) 19. f5 $1 $14 Bxh5 20. Nxh5 cxd4 (20... exf5 $14 21. gxf5 cxd4) 21. fxe6 (21. Qd3 $16) 21... fxe6 {White must now prevent ...Bb4+.} 22. Qd3 Bb4+ 23. Ke2 (23. Kf2 $15) 23... O-O $17 {aiming for ...Qc7. Black converts the advantage convincingly.} 24. Qg6 $2 (24. Rf1 $17 {was necessary.}) 24... Kh8 $19 {Strongly threatening ...Qc7. The board is on fire.} 25. Rd3 $2 (25. Rf3 {was called for.} Rxf3 26. Kxf3 Rf8+ 27. Nf6 gxf6 28. exf6) 25... Qc7 26. Qg5 Qf7 {Inhibits Nf4.} 27. Rh1 Be7 28. Qd2 (28. Qxg7+ $142 Qxg7 29. Nxg7 Kxg7 30. Rxd4) 28... Qg6 (28... Bb4 $2 29. Qg5 $19) 29. Rg1 Bxh4 {...Rf2+ is the strong threat.} ({Weaker is} 29... Qf7 30. Kd1 $17) ({Not} 29... Bb4 $2 30. Qg5 Qf7 31. Kd1 $19) 30. Kd1 $2 (30. Nf6 gxf6 31. Rh3) 30... Rf2 31. Qa5 Rbf8 32. Kc1 Bg5+ 33. Kb1 {[#]} Rxc2 $3 {[%mdl 512]} 34. Rh1 {[#]} (34. Qxa6 Rc4) 34... Rc1+ $1 {[%mdl 512]} 35. Rxc1 (35. Kb2 Rf2+) 35... Bxc1 (35... Qxd3+ $142 36. Ka1 Bxc1 37. Qb4 Rf2 38. Qb8+ Kh7 39. Qg8+ Kxg8 40. Nf6+ gxf6 41. a4 Qxb3 42. exf6 Qb2#) 36. Qxa6 {[#]} Ba3 $1 {[%cal Bc1a3,Ba3b4,Bb4c3][%mdl 544]} 37. b4 (37. Nf6 gxf6) 37... Bxb4 38. Kb2 Bc3+ 39. Ka3 Qf7 40. Qb6 Qe7+ 41. Kb3 Rf2 $2 ({Black should try} 41... Ra8 $19 {( -> ...Qa3+)} 42. a4 Qf8) 42. Qb8+ $2 {[%mdl 8192]} (42. Rxc3 $11 Qf8 43. Rh3 Rf3+ 44. Rxf3 Qxf3+ 45. Kb2) 42... Kh7 43. Nf6+ {[#]} gxf6 (43... Qxf6 $142 $3 {[%mdl 512]} 44. Qe8 (44. exf6 Rb2+) 44... Qh4) 44. Rh3+ {[#]} Kg6 $1 (44... Kg7 {gets mated.} 45. Qh8+ Kg6 46. Qh5+ Kg7 47. Qh7+ Kf8 48. Qh8+ Kf7 49. Rh7+ Kg6 50. Qg8+) 45. Qg8+ Qg7 46. Qe8+ Kg5 47. Rh5+ Kf4 {Weighted Error Value: White=1.08/Black=0.44} 0-1

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.27"]
[Round "4.10"]
[White "Aziz, Husain"]
[Black "Efroimski, Marsel"]
[Result "1/2-1/2"]
[ECO "D41"]
[WhiteElo "2357"]
[BlackElo "2429"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,71,4,0,11,6,0,4,12,12,7,0,0,0,0,0,0,0,0,-2,0,0,0,0,0,-12,-19,-32,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-7]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 O-O 11. Bc4 Nd7 12. O-O b6 13. Rad1 Bb7 14. Rfe1 Rc8 {D41: Queen's Gambit Declined: Semi-Tarrasch with 5 cxd5.} 15. Bb3 Re8 16. h3 Nf6 17. Qf4 {[%cal Od4d5]} Qc7 18. Qh4 h6 19. Re3 {[#]} a5 $146 ({Predecessor:} 19... Qe7 20. Qf4 b5 21. g4 a5 22. a4 bxa4 23. Bxa4 Red8 24. Bb5 Qc7 25. Qxc7 Rxc7 {0-1 (48) Risting,E (2300)-Arvola,B (2476) Oslo 2020}) 20. a4 Qe7 21. d5 exd5 $1 22. exd5 Qa3 {[#] Strongly threatening ...Rxe3.} 23. Qd4 Rxe3 24. Qxe3 Qc5 25. Qxc5 Rxc5 26. d6 {[#] d7 is the strong threat.} Bxf3 27. gxf3 $15 {[%mdl 4096] Endgame aiming for d7. KRB-KRN. The position is equal.} Rc8 28. Rd4 (28. d7 Rd8 $15) 28... Kf8 29. Bc4 ({Reject} 29. d7 Rd8 30. Rd6 Nxd7 $17) 29... Ke8 30. f4 Rc5 31. Kg2 Kd7 32. Bb5+ Kd8 33. Bc4 {Inhibits Rd5.} Rc6 34. Bb5 Rc5 35. Bc4 {Prevents Rd5.} Rc6 36. Bb5 {A balanced but interesting game.  Weighted Error Value: White=0.01 (flawless) /Black=0.02 (flawless)} 1/2-1/2

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.28"]
[Round "5.1"]
[White "Batsiashvili, Nino"]
[Black "Bwalya, Gillan"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "2491"]
[BlackElo "2404"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,73,22,33,21,27,27,26,29,46,33,36,22,33,-20,16,20,14,11,10,20,30,-33,-29,-33,-27,-21,66,77,74,82,61,62,97,0,91,60,109,123,167,141,166,152,325,318,295,250,245,256,342,332,849,594,794,790,788,781,1122,875,29973,29974,29988,29985,29985,29986,29986,378]} 1. d4 f5 2. Bf4 Nf6 3. e3 d6 4. Nc3 e6 5. Nf3 Nc6 6. h3 {[%cal Og2g4] [#] A80: Dutch Defence: Unusual White second moves.} h6 $146 ({Predecessor:} 6... Be7 7. a3 O-O 8. Bd3 Qe8 9. Qe2 Bd7 10. g4 g6 11. Bh6 Rf7 12. Ng5 Bf8 13. Nxf7 Qxf7 14. Bxf8 Kxf8 15. gxf5 gxf5 {1-0 (22) Rabinovich,A (2423)-Malavazzi,B Sao Paulo 2007}) 7. g4 g5 8. Bg3 {White has an edge.} Bg7 9. gxf5 exf5 10. d5 Ne7 11. Bc4 (11. Qd2 $14) 11... a6 12. Nd4 b5 13. Bb3 b4 14. Nce2 Bd7 15. Ne6 ({White should play} 15. h4 $11) 15... Bxe6 $15 16. dxe6 O-O 17. h4 d5 (17... g4 $11) 18. hxg5 $14 hxg5 19. c4 {Threatens to win with cxd5.} bxc3 20. Nxc3 {[%cal Be2c3,Bc3a4,Ba4c5,Bc5d7][%mdl 32]} c6 {[#]} 21. Qf3 (21. Qc2 $1 $16) 21... Ra7 (21... Qc8 $11 {remains equal.}) 22. Be5 {[%cal Oe3e4] Hoping for e4!} Qc8 (22... Rb7 $1 $14) 23. Bd4 $36 {[%mdl 2048] White is really pushing. White is much more active. This bishop pair is nice.} Rb7 (23... g4 $16 24. Qf4 Ra8) 24. Na4 Rb5 25. Nc5 Qe8 $2 {This move loses the game for Black.} (25... Qc7 $16) 26. Qg3 (26. Nxa6 Qg6 $16) 26... Qg6 {[%cal Ob5c5]} 27. Qc7 Re8 28. f3 {Prevents Ne4.} f4 29. Nd7 {Really sharp!} (29. exf4 Nh5 30. Qd7 Rbb8 31. Bxg7 (31. Nxa6 $2 Bxd4 32. Nxb8 gxf4 $19) 31... Nxg7 $18) (29. Nxa6 fxe3 30. O-O-O (30. Bxe3 $2 Qd3 $19) 30... Rxb3 31. axb3 Nf5 $17) 29... Qf5 {To avoid Bc2} (29... Rc8 30. Nxf6+ (30. Qd6 Nf5 $11) 30... Qxf6) 30. O-O-O {[%cal Oh1h6] Rh6! is the strong threat.} Qxe6 31. Nxf6+ {[%mdl 64] [#] Overworked Piece} Bxf6 32. Rh6 Rf8 33. Rdh1 {[%cal Oh6g6] Rg6+! would kill now.} Rxb3 34. axb3 {White mates.} fxe3 35. Bxf6 Rxf6 36. Rh8+ Kg7 37. R1h7+ {[%mdl 64] Skewer.  Weighted Error Value: White=0.25 (precise) /Black=0.48} 1-0

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.28"]
[Round "5.2"]
[White "Houska, Jovanka"]
[Black "Aziz, Husain"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2365"]
[BlackElo "2357"]
[Annotator "TA"]
[PlyCount "136"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,136,25,31,12,13,10,9,10,17,17,21,12,18,0,0,0,0,0,18,0,9,-41,-22,-28,-37,-35,0,-33,-12,-51,-37,-49,0,0,0,-13,-14,-3,16,16,14,14,30,24,79,90,59,81,85,85,137,201,252,255,599,592,612,602,602,616,606,602,598,582,573,566,500,54,40,30,34,9,9,8,50,38,38,16,23,29,23,23,23,23,24,-4,80,87,91,83,78,76,179,176,189,82,85,83,88,84,99,10,37,0,0,0,0,0,0,0,0,0,0,0,0,-34,0,0,3,0,75,10,13,0,0,0,0,0,0]} 1. Nf3 d5 2. g3 Nd7 3. d4 Nb6 4. a4 a5 5. b3 Bf5 {[#]} 6. Nbd2 $146 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} ({Predecessor:} 6. Ba3 c6 7. Nbd2 h6 8. c4 Nf6 9. Bg2 Nbd7 10. cxd5 cxd5 11. O-O e6 12. Bxf8 Nxf8 {½-½ (37) Meier,G (2628)-Wojtaszek,R (2705) Tornelo INT 2020}) 6... e6 7. Bb2 h6 8. Bg2 Nf6 9. O-O Be7 10. Ne5 {[%cal Bf3e5,Be5d3,Bd3f4][%mdl 32]} O-O 11. Nd3 Nbd7 {[%cal Bb6d7,Bd7b8,Bb8a6,Ba6b4][%mdl 32]} 12. Rc1 c6 13. c4 Nb8 14. Nf4 Na6 15. f3 (15. Nf3 $11) 15... Nb4 16. e4 Bh7 17. Qe2 Re8 18. Kh1 Bf8 (18... Qb6 {looks sharper.} 19. Bh3 Rad8 20. Rcd1 Bf8 21. Bc3 Qc7) 19. Nd3 Nxd3 20. Qxd3 Bb4 (20... dxe4 $15 {is more appropriate.} 21. fxe4 (21. Nxe4 e5 $11) 21... e5) 21. Rfd1 $11 Qe7 22. Qe3 dxe4 23. Nxe4 Bxe4 24. fxe4 {[%cal Bf3e4,Be4d5,Bd5d6,Bd6d7][%mdl 32]} e5 25. d5 Bc5 26. Qf3 Ba3 (26... Rad8 $11) 27. Bxa3 $16 Qxa3 28. c5 $1 cxd5 29. exd5 e4 ({Black should try} 29... Qb2) 30. Qc3 Rac8 31. Bh3 {Prevents Nd7.} Rc7 (31... Rcd8) 32. d6 $18 Rc6 33. d7 Rd8 34. Qxa5 b6 35. Qb5 Rxc5 36. Rxc5 Qxc5 37. Qxc5 bxc5 {[%mdl 4096] Endgame KRB-KRN} 38. Rc1 $2 ({White has to play} 38. Kg2 $18) 38... Nxd7 $14 39. Rd1 e3 40. Kg2 ({Don't go for} 40. Rxd7 $2 Rxd7 41. Kg2 (41. Bxd7 $2 {too greedy.} e2 $19) 41... Rd2+ 42. Kf1 Rxh2 $19) 40... e2 41. Re1 Nf6 (41... c4 $11 {deserves consideration.}) 42. Rxe2 Rb8 43. Re3 c4 44. bxc4 {[%cal Bb3c4,Bc4c5,Bc5c6][%mdl 32]} Rb2+ $1 45. Kf3 {Ra3 is the strong threat.} Ra2 {To avoid Ra3} 46. c5 {Threatens to win with c6.} Rxa4 47. Rc3 {And now c6 would win.} Ra7 (47... Ne4 $11 48. Rc2 Ng5+ 49. Kg2 Nxh3) 48. c6 $16 {aiming for c7.} Rc7 49. Bg2 $1 Kf8 50. Kf4 Ke7 {[#]} (50... Ne8 $16) 51. Ke5 $1 $18 Kd8 {[#]} 52. Ra3 (52. Rd3+ $1 $18 {and White stays clearly on top.} Ke7 53. Rb3) 52... Re7+ $16 53. Kd6 {[%cal Ra3a8]} Ne8+ 54. Kc5 {Strongly threatening Kb6.} Re5+ 55. Kb6 (55. Kd4 $16 Re7 56. Bd5) 55... Nc7 $11 {Prevents Ra8+.} 56. Rd3+ Kc8 57. Rb3 Na8+ 58. Ka6 Nc7+ 59. Ka7 {[%csl Ga7][%cal Rb3b8]} Nb5+ 60. Kb6 Nc7 61. Bh3+ f5 62. g4 g6 63. gxf5 gxf5 64. Bf1 Re1 (64... Nd5+ $11 {keeps the balance.} 65. Kc5 Nf4+ 66. Kd4 Re4+ 67. Kc5 Re5+ 68. Kb6 Nd5+ 69. Kc5 Nf4+) 65. Bd3 (65. Bc4 $16) 65... Re5 {The position is equal.} 66. Rb1 Nd5+ 67. Kc5 {Intending Kd6 and mate.} Nf4+ 68. Kc4 Nxd3 {Weighted Error Value: White=0.26 (precise) /Black=0.19 (very precise)} 1/2-1/2

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.28"]
[Round "5.3"]
[White "Girya, Olga"]
[Black "Brunello, Sabino"]
[Result "0-1"]
[ECO "E15"]
[WhiteElo "2416"]
[BlackElo "2492"]
[Annotator "TA"]
[PlyCount "210"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,210,9,23,16,9,15,25,47,26,58,38,37,14,3,6,13,6,0,0,1,16,14,10,16,18,5,0,0,0,0,0,0,0,0,0,24,-16,0,-30,-34,-45,-48,-42,-21,-94,-55,-42,16,-89,-99,-106,-106,-88,-98,-111,-97,-123,-115,-141,-126,-141,0,-45,0,-114,-91,-81,-70,-100,-99,-343,-322,-694,-211,-211,-211,-184,-69,-70,-75,-123,-108,-119,-40,-33,0,0,0,-28,-35,-52,-31,-45,-54,-128,-27,-129,-157,-593,0,0,0,0,0,0,0,-3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-7,-14,0,-28,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-92,-92,-92,0,-92,0,-92,-92,-204,-199,-241,-197,-226,-164,-314,-200,-1466,-1359,-29987,-29988]} 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Ba6 5. b3 Bb7 6. Bg2 Bb4+ 7. Bd2 a5 8. O-O O-O 9. a3 Be7 10. Nc3 Ne4 {E15: Queen's Indian: 4 g3 sidelines, 4 g3 Ba6 and 4 g3 Bb7 early deviations.} 11. Qc2 Nxd2 12. Nxd2 Bxg2 {White has an edge.} 13. Kxg2 {[#]} d5 $146 ({Predecessor:} 13... d6 14. Qe4 Na6 15. Rfd1 Bf6 16. Rac1 Re8 17. Nf3 e5 18. Qc6 exd4 19. Nd5 Be5 {1-0 (32) Neumeier,K (2296)-Nemeth,D (2275) Austria 2013}) 14. cxd5 exd5 15. Nf3 {[%cal Bd2f3,Bf3e5,Be5c4][%mdl 32]} c6 16. e4 dxe4 17. Nxe4 Ra7 18. Rfd1 Rc7 19. Ne5 Qd5 {Hoping for ...f5.} 20. Kg1 c5 21. Nc3 Qe6 {White must now prevent ...cxd4.} 22. Nb5 Rcc8 23. Nc4 {Pair of Knights!} cxd4 24. Nxd4 Qf6 25. Nb5 Bc5 26. Rac1 Rcd8 27. Rf1 {[%cal Oc4a5]} (27. Nxa5 $5 Rxd1+ 28. Rxd1 $14) 27... Nd7 {[%cal Bb8d7,Bd7f6,Bf6e4][%mdl 32]} 28. Qc3 Qg5 29. a4 Nf6 30. Qf3 {Inhibits Qf5.} Rd5 (30... Qg6 $5 {[%cal Rd8d3]}) 31. Rc2 (31. Kg2 $1 $11) 31... Rf5 32. Qg2 Rd8 {[#]} (32... Qh5 $15) 33. Nc3 (33. Ncd6 $1 $11 {remains equal.}) 33... h5 $1 $17 {Black is more active.} 34. Ne4 Nxe4 35. Qxe4 Qf6 36. Kg2 Rd4 $1 37. Qa8+ Kh7 $1 38. Ne3 Re5 39. Nc4 Rf5 (39... Ree4 $17 {...h4 is the strong threat.} 40. Rd1 h4 41. Rxd4 Rxd4) 40. Ne3 $1 $15 Re5 (40... Rg5 $1 $15) 41. Nc4 $1 $17 Rd8 42. Qf3 ({Don't go for} 42. Qxd8 $2 Qxd8 43. Nxe5 Qd5+ 44. Nf3 g5 $19) 42... Rf5 43. Qe4 Rd4 44. Qb7 (44. Qe2 $17) 44... Qe6 $1 $19 45. Rd2 $2 (45. h4) 45... Rxd2 $2 (45... h4 46. Rxd4 Bxd4) 46. Nxd2 Rd5 47. Nf3 {[%cal Of1d1]} Qf5 (47... h4 $1 $19 48. Nxh4 g5) 48. h4 $15 f6 {Prevents Ng5+.} 49. Rc1 (49. Rb1 $142) 49... Rd3 $17 50. Rc4 Rxb3 (50... Qe6 $1 $17 {aiming for ...Qe2.} 51. Rf4 Rd1) 51. Rf4 $1 $15 Qe6 {[%cal Oc5f2] Strongly threatening ...Bxf2!} (51... Qc2 $5 52. Nd4 Bxd4 53. Rxd4 Rb4 $17) 52. Re4 $1 Qf5 53. Rf4 Qc2 54. Nd4 Bxd4 55. Rxd4 {[%mdl 4096] Endgame KQR-KQR} Rb4 56. Qd5 (56. Qd7 $15) 56... Kh6 (56... Kg6 $17 57. Qd7 Qe2) 57. Qd8 (57. Qe6 $1 $11) 57... Qc6+ $1 $17 (57... Rxa4 $2 58. Qh8+ Kg6 59. Qe8+ Kh6 60. Qxa4 $18) 58. Kh2 $2 (58. Kg1 $17) 58... Rb2 $2 ({Better is} 58... Qf3 $1 $19 {[%cal Rf3f2]} 59. Qh8+ Kg6 60. Qe8+ Kh7) 59. Rd2 $11 Rxd2 60. Qxd2+ {KQ-KQ} Kg6 61. Qd3+ Kf7 62. Qb3+ $1 Qe6 63. Qb5 Kg6 64. Qb1+ Kf7 65. Qb5 g6 66. Kg2 Ke7 67. Kh2 Qd6 68. Qe2+ Qe5 69. Qd3 f5 70. f4 Qb2+ 71. Kh3 Qb4 72. Qd5 Qe4 (72... Qxa4 $5 {[%cal Ra4e4]} 73. Qe5+ Kd7 74. Qg7+ Kc8 75. Qxg6 Qe4 $15) 73. Qd1 Ke6 74. Qb3+ Kd7 {[%cal Re4h1]} ({Don't play} 74... Ke7 $6 75. Kh2 $17) 75. Kh2 {Prevents Qh1+.} Qe2+ 76. Kg1 Qe6 77. Qc3 Qd6 78. Kh2 Qe6 79. Kg1 Qd6 80. Kh2 Qc6 81. Qg7+ Kc8 82. Qg8+ Kb7 83. Qb3 Ka7 84. Qf7+ Ka6 85. Qb3 {To avoid Qc2+} Qd7 86. Qc4+ Kb7 87. Qb3 b5 88. axb5 Kb6 89. Qe3+ Kxb5 90. Qe5+ Kb6 91. Qe3+ Kb7 92. Qb3+ $1 Ka6 93. Qc4+ Kb6 94. Qb3+ Qb5 95. Qe6+ Qc6 96. Qb3+ (96. Qe3+ $11 Kb5 97. Qe5+ Qc5 98. Qb2+ Qb4 99. Qe2+ Kc5 100. Qe3+ Kc4 101. Qe6+ Kc3 102. Qxg6) 96... Ka6 $17 97. Qd3+ Ka7 (97... Kb7 $1 $17 98. Qb3+ Ka8) 98. Qe3+ (98. Qd4+ $1 $11 {keeps the balance.} Ka6 99. Qd3+ Kb7 100. Qb1+ Ka8 101. Kh3) 98... Kb7 ({Black should try} 98... Ka8 $1 $17 99. Qe1 a4) 99. Qb3+ (99. Qe7+ $1 $11 {was the only way to keep the balance.} Qc7 100. Qe2) 99... Ka8 $1 100. Qb2 (100. Qd3 $17) 100... a4 $19 101. Qb4 {[#]} (101. Qg7 $142) 101... Ka7 $1 102. Qd4+ Ka6 103. Qb4 {[#]} (103. Qa1 $142) 103... Qc2+ $1 104. Kg1 $2 (104. Kh3) 104... Qb3 105. Qd6+ Qb6+ {Weighted Error Value: White=0.42/Black=0.37} 0-1

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.28"]
[Round "5.4"]
[White "Cramling, Pia"]
[Black "Cheng, Bobby"]
[Result "1/2-1/2"]
[ECO "D24"]
[WhiteElo "2452"]
[BlackElo "2550"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,60,15,-4,0,0,11,14,20,16,12,0,0,0,0,0,19,25,22,0,34,-12,0,0,0,-29,-6,0,10,7,12,16,75,0,18,0,11,-59,0,0,0,0,16,15,45,47,55,42,53,47,81,105,108]} 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 dxc4 5. e3 a6 6. a4 b6 {D24: Queen's Gambit Accepted: 3 Nf3 Nf6 4 Nc3.} 7. Bxc4 Bb7 {To avoid e4} 8. O-O {[%cal Oe3e4]} Bb4 {The position is equal.} 9. Qe2 O-O 10. Ne5 c5 {[#]} 11. Na2 $146 ({Predecessor:} 11. Rd1 Qc8 12. Bd3 Nc6 13. Ng4 Nxg4 14. Qxg4 f5 15. Qf4 Rf6 16. Be2 cxd4 17. exd4 {1-0 (56) Haque,M (2036)-O'Connor,J (2165) Dublin 2019}) 11... Ba5 {[%cal Ob6b5]} 12. Rd1 Qc7 13. b3 Nc6 14. Bb2 Rfd8 15. Ng4 (15. Nxc6 $14 Qxc6 16. f3) 15... Nd5 16. dxc5 bxc5 {[#] ...f5 is the strong threat.} 17. h3 {[%cal Og4h6]} Qe7 18. Ne5 Bc7 19. Nxc6 Bxc6 20. Nc3 Qd6 {[#]} (20... Nb4 $11 {keeps the balance.}) 21. f4 (21. g3 $1 $16) 21... Qe7 22. Qf2 Rd7 23. Ne2 (23. Rd3 $11) 23... Bb7 (23... Nb6 $1 $15) 24. e4 $11 Nb6 25. Qg3 {[%csl Gb2][%cal Rg3g7]} f6 26. Rxd7 $40 {[%mdl 128] Black needs to defend precisely.} Nxd7 27. Qg4 Re8 28. Ng3 {Threatens to win with Nf5.} Kh8 29. Rd1 {[%cal Oc4e6] Hoping for Bxe6!} Nf8 30. f5 {[%cal Oe4e5] White is much more active.} Bxg3 {Weighted Error Value: White=0.13 (very precise) /Black=0.15 (very precise)} 1/2-1/2

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.28"]
[Round "5.5"]
[White "Sukandar, Irine Kharisma"]
[Black "Krysa, Leandro"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2407"]
[BlackElo "2516"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,87,0,-22,-6,-7,-7,-4,5,-1,0,0,0,0,0,-16,0,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-33,0,0,0,0,0,0,0,0,0,0,0,-5,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Qc7 6. Ne2 Bg4 7. f3 Bd7 8. Bf4 e5 {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack.} 9. dxe5 Nxe5 10. O-O Bd6 11. Nd4 Nf6 {[#]} 12. Bf5 $146 ({Predecessor:} 12. Na3 O-O 13. Kh1 Bxa3 14. bxa3 Nh5 15. Bxe5 Qxe5 16. Re1 Qc7 17. Qb3 Nf4 18. Bf1 {½-½ (35) Gusain,H (2461)-Warakomski,T (2518) Warsaw 2017}) 12... O-O 13. Bxd7 Qxd7 14. Nd2 h6 15. Qc2 Rfe8 16. N2b3 Nh5 17. Bxe5 Rxe5 18. Rae1 Rae8 19. Rxe5 Rxe5 20. Nc1 Rg5 {[#] White must now prevent ...Qh3.} 21. Nd3 Qh3 22. g4 Nf4 {To avoid Qg2} 23. Nxf4 Bxf4 24. Re1 {[%cal Re1e8] [#] Inhibits Be3+.} (24. Qg2 $5 {[%cal Rg2h3]} Be3+ 25. Kh1 Qxg2+ 26. Kxg2 $11) 24... g6 {Strongly threatening ...h5.} (24... Kf8 $5 {[%cal Rh6h5]} 25. Qg2 (25. Qe2 $2 Re5 $19) 25... Qh4 $15) 25. Re8+ {The position is equal.} Kg7 {Hoping for ...h5.} 26. Qg2 Qh4 27. Qf2 Qxf2+ 28. Kxf2 $11 {[%mdl 4096] Endgame KRB-KRN} Re5 {Inhibits Re7.} 29. Rd8 Be3+ 30. Kg3 Bxd4 31. cxd4 {KR-KR} Re2 32. Rxd5 Rxb2 33. a4 Kf6 34. h4 Ke6 35. Ra5 a6 36. Kf4 Kd6 37. h5 Re2 38. g5 hxg5+ 39. Rxg5 gxh5 40. Rxh5 b6 41. Rh6+ Re6 42. Rh5 Re2 43. Rh6+ Re6 44. Rh5 {A balanced but interesting game.  Weighted Error Value: White=0.03 (flawless) /Black=0.02 (flawless)} 1/2-1/2

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.28"]
[Round "5.6"]
[White "Abdumalik, Zhansaya"]
[Black "Haria, Ravi"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "2491"]
[BlackElo "2490"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,63,4,-14,16,14,61,58,57,16,57,56,90,50,83,80,78,0,0,-15,-19,-17,0,0,0,-47,-50,-34,0,0,0,0,0,0,0,0,0,0,34,21,21,18,22,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. c4 Nb6 9. Nd2 a5 10. Qe4 Qe6 {C45: Scotch Game.} 11. Bd3 Ba6 (11... Na4 $11) 12. O-O $14 {[#]} f5 $146 {White is slightly better.} ({Predecessor:} 12... Be7 13. f4 g6 14. f5 gxf5 15. Rxf5 O-O-O 16. Nf3 Bxc4 17. Be3 Qd5 18. Qxd5 Bxd5 {0-1 (42) Bernotas,A (2408)-Costachi,M (2471) Chess.com INT 2018}) 13. Qe2 (13. exf6 $14 Qxe4 14. Nxe4) 13... g6 (13... Bb4 $11) 14. b3 Bg7 15. f4 O-O 16. Nf3 c5 17. a4 ({Better is} 17. Ng5 $16 Qe7 18. Bb2) 17... Bb7 $11 18. Ba3 d6 19. Rae1 Rfe8 20. Bb2 Nd7 21. Bc3 (21. Ng5 $11 Qe7 22. g4 Nxe5 23. gxf5 Nxd3 24. Qxd3 Bxb2 25. Rxe7 Rxe7 26. Nf3 (26. Ne6 gxf5 27. Re1 Rae8 $15)) 21... dxe5 $15 22. Nxe5 Nxe5 23. fxe5 Qb6 24. Bc2 Rad8 {[%cal Od8d4]} 25. Qf2 Re7 26. Re2 Rde8 {[%cal Rg7e5]} 27. Rfe1 Be4 28. Bxe4 fxe4 {The position is equal.} 29. Rxe4 Qxb3 30. Bxa5 Rxe5 31. Rxe5 Rxe5 32. Bxc7 {Weighted Error Value: White=0.14 (very precise) /Black=0.14 (very precise)} 1/2-1/2

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.28"]
[Round "5.7"]
[White "Efroimski, Marsel"]
[Black "Bellahcene, Bilel"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "2429"]
[BlackElo "2512"]
[Annotator "TA"]
[PlyCount "28"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,28,17,33,0,0,0,0,0,31,13,22,28,29,14,11,13,25]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 cxd4 5. Qxd4 e5 6. Qd1 Ngf6 7. Nc3 Be7 8. a4 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} (8. Bg5 $5 {[%cal Rg5f6]}) 8... O-O 9. O-O Nc5 {[%cal Bd7c5,Bc5e6,Be6f4][%mdl 32] [#]} 10. Qe2 $146 ({Predecessor:} 10. Re1 a6 11. Bc4 Bg4 12. h3 Be6 13. b3 Bxc4 14. bxc4 Rc8 15. Rb1 Qd7 16. Bg5 {½-½ (34) Metz,L (1526)-Jordaan,W (1540) LSS email 2014}) 10... a6 11. Bc4 Bd7 {[%cal Ob7b5]} 12. Bg5 Ne6 13. Bxf6 Bxf6 14. Nd5 Nf4 {An uneventful encounter.  Weighted Error Value: White=0.08 (flawless) /Black=0.08 (flawless)} 1/2-1/2

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.28"]
[Round "5.8"]
[White "Muzychuk, Mariya"]
[Black "Rosen, Eric"]
[Result "1-0"]
[ECO "B53"]
[WhiteElo "2539"]
[BlackElo "2356"]
[Annotator "TA"]
[PlyCount "121"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,121,9,12,13,0,0,24,0,0,-6,-3,-10,-3,-39,-25,-29,10,0,0,0,0,0,0,0,0,0,0,0,16,23,18,16,16,23,43,28,37,31,29,4,6,4,8,7,9,0,6,4,20,33,81,40,40,40,52,67,58,65,80,75,81,82,88,8,8,8,8,8,8,8,8,8,8,8,42,42,29958,29945,29971,29975,29975,29976,29976,29978,29978,29977,29977,29978,29978,29979,29979,29980,29980,29981,29982,29981,29981,29982,29983,29982,29982,29983,29985,29984,29984,29983,29985,29983,29983,29984,29984,29985,29985,29986]} 1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Bb5+ Bd7 5. Bxd7+ Qxd7 6. dxc5 {B53: Sicilian: 2...d6: Lines with Qxd4.} Nxe4 7. cxd6 $1 Nxd6 ({Resist} 7... Qb5 8. Na3 Qa6 9. c4 Nxd6 10. Qb3 $16) 8. O-O {White has an edge.} Nc6 9. Nc3 {[%cal Bb1c3,Bc3d5,Bd5e7][%mdl 32]} g6 10. Bf4 Bg7 {[#]} 11. Qe2 $146 (11. Bxd6 $5 Qxd6 12. Qxd6 exd6 13. Nd5 $11) ({Predecessor:} 11. Bxd6 Bxc3 12. bxc3 Qxd6 13. Qxd6 exd6 14. Ng5 d5 15. Rfe1+ Kf8 16. Rab1 b6 17. Red1 Rd8 18. Rb5 d4 19. c4 Kg7 20. Nf3 Rd7 21. a4 Rhd8 {½-½ (21) Fedorov,A (2617)-Georgiev,K (2680) Fuegen 2006}) 11... O-O {[%cal Oe7e5]} 12. Rad1 Qf5 (12... Bxc3 $5 13. bxc3 Rad8 $11) 13. Nd5 {[%cal Oe2e7]} e5 14. Nxe5 Bxe5 15. Qxe5 Qxe5 16. Bxe5 Nxe5 17. Ne7+ Kg7 18. Rxd6 Rfd8 19. Rdd1 Nc4 20. b3 Nb6 {Hoping for ...Kf8.} 21. c4 Kf6 22. Nd5+ (22. Rde1 {seems wilder.} Rd7 23. g4 h5 24. f3 Kg7 25. Re4) 22... Nxd5 23. cxd5 $11 {[%mdl 4096] Endgame KRR-KRR} Rd7 24. Rd4 Rc8 25. Rfd1 Rc2 26. a4 Ke5 27. g3 Kd6 28. R1d3 Re7 29. g4 Re5 (29... Rce2 $14 {should be considered.}) 30. Rf4 ({White should try} 30. Rh3 $1 $16) 30... f5 $14 31. gxf5 Rxf5 32. Rxf5 gxf5 {KR-KR} 33. Kg2 Re2 34. Rh3 Rb2 35. Rxh7 Rxb3 36. Rf7 (36. h4 $16) 36... Rb4 $11 37. a5 {[%cal Oh2h4]} Rb5 38. h4 {[%cal Bh2h4,Bh4h5,Bh5h6][%mdl 32] Threatens to win with h5.} Rxd5 39. h5 {Strongly threatening h6.} f4 40. h6 Rxa5 41. Rxb7 {Threatening Kf3.} Rh5 42. Rxa7 Rh4 $2 {[%mdl 8192] [#] This costs Black the game.} (42... Ke6 $14) 43. Ra3 $1 {White mates.} f3+ 44. Kg3 Rh1 {[#]} 45. Ra4 $1 Rg1+ 46. Kxf3 Rh1 47. Kg3 Rg1+ 48. Kh2 Rg8 49. h7 Rh8 50. Rh4 Ke6 51. Kg3 Kf5 52. Rh5+ Kg6 53. Kg4 Kf6 54. Rh6+ Kg7 55. Kg5 Kf7 56. Rh4 Kg7 57. Rh3 Kf7 58. Kh6 Ra8 59. Rf3+ Ke6 60. Kg7 Ra7+ 61. Kg8 {Weighted Error Value: White=0.07 (flawless) /Black=0.15 (very precise)} 1-0

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.28"]
[Round "5.9"]
[White "Mammadzada, Gunay"]
[Black "Gallagher, Joseph G."]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2470"]
[BlackElo "2447"]
[Annotator "TA"]
[PlyCount "108"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,108,26,22,33,40,41,34,40,40,36,20,37,51,41,0,0,0,0,0,0,0,0,0,42,35,29,34,35,9,44,0,0,0,0,-320,-8,-8,-22,-667,-8,-8,0,-672,0,0,0,0,0,0,10,10,10,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-1349,-1310,-1183,-1106,-5181,-3579,-3372,-3463,-1885,-1433,-5589,-2936,-3356,-2646,-29977,-29978,-29977,-29975,-29973,-29974,-29986,-29981,-29982,-5165]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bg5 h6 8. Bh4 g5 9. Bg3 Bg7 10. h3 Ne5 11. Nf5 Bxf5 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} 12. exf5 Nbc6 {[%cal Oc6d4]} 13. Nd5 $1 e6 {White is slightly better.} 14. fxe6 fxe6 15. Ne3 Qa5+ 16. c3 Nf3+ 17. gxf3 (17. Qxf3 $14 Bxc3+ 18. Kd1 Bxb2 19. Qe4 Bxa1 20. Qxe6+ Kd8 21. Qxd6+ Ke8 22. Qg6+ (22. Bc4 $2 Rd8 $19) 22... Kd8 23. Qd6+ Ke8 24. Qg6+ (24. Bc4 $2 Rd8 $19) 24... Kd8 25. Qd6+) 17... Bxc3+ $1 $11 18. bxc3 Qxc3+ 19. Qd2 Qxa1+ 20. Nd1 Qd4 21. Bd3 Rf8 (21... Ne5 $11 22. Be2 Qxd2+ 23. Kxd2 Ng6) 22. O-O $1 $14 Rxf3 23. Ne3 {[#]} Ke7 $146 {[%cal Of3g3]} ({Predecessor:} 23... Kd7 24. Rd1 Raf8 25. Qe2 Qc5 26. Be4 Nd4 27. Qd3 Rxg3+ 28. fxg3 e5 29. Kg2 b5 30. Qd2 Rc8 31. Nf5 Qc3 32. Nxd4 {1-0 (32) Giri,A (2779)-Vachier Lagrave,M (2775) Paris 2019}) 24. Kg2 {[%mdl 1024] White has compensation.} Raf8 (24... Rxg3+ $5 25. fxg3 Ne5 $11) 25. Rb1 (25. Qc2 $14 {should be considered.}) 25... b5 $11 26. Rc1 Nb4 (26... Ne5 $2 27. Rc7+ Kd8 28. Qa5 $1 Rxg3+ 29. fxg3 $18) 27. Rc3 {[%mdl 8192]} (27. Rc7+ Kd8 28. Qc1 (28. Rd7+ $2 Kc8 $19) 28... Rxf2+ $3 {[%mdl 512]} 29. Bxf2 Rxf2+ $1 {[%mdl 512]} 30. Kg1 Nxd3 $15) (27. Rd1 $1 $11) 27... Nd5 $2 ({Black should play} 27... e5 $19 {And now ...Nd5 would win.} 28. Rb3 Nd5) 28. Nxd5+ Qxd5 {Really sharp!} (28... exd5 $2 29. Qe2+ Kd7 30. Bxb5+ $1 {[%mdl 512]} axb5 31. Qxb5+ Ke6 32. Rxf3 $18) 29. Kg1 {[%mdl 8192] [#]} (29. Kh2 $11) 29... Qd4 $2 (29... Rc8 $1 $19 {[%cal Rc8c3][%mdl 512]} 30. Rb3 (30. Rxc8 $2 Rxd3 31. Rc7+ Ke8 $19) 30... e5 31. Bxe5 dxe5 32. Qb4+ Kf7) 30. Kg2 $1 Qd5 $2 {[%mdl 8192]} (30... e5 $11 31. Qc2 Ke6 32. Bc4+ bxc4 33. Rxf3 Qd5 34. Qg6+ Ke7 35. Qg7+ Rf7 36. Qxf7+ Qxf7 37. Rxf7+ Kxf7) 31. Kg1 $19 {[#]} Rxg3+ $2 32. fxg3 $11 Rf3 33. Kh2 ({Avoid the trap} 33. Rc7+ $2 Kd8 34. Rc2 Rxg3+ 35. Kh2 Qxd3 $19) 33... Qe5 (33... Qd4 $5 34. Kg2 (34. Rc7+ $2 Kd8 $19) 34... Qd5 $11) 34. Qg2 Qe3 {...Rf2 is the strong threat.} 35. Be2 Qxc3 36. Qxf3 Qxf3 37. Bxf3 {[%mdl 4096] Endgame KB-KP} Kf6 38. Kg2 Ke5 39. Bg4 b4 {Threatens to win with ...a5.} 40. Kf2 a5 {[%cal Ba6a5,Ba5a4][%mdl 32] aiming for ...a4.} 41. Ke3 d5 42. Kd3 Kd6 43. Kd4 $2 {[%mdl 8192]} (43. Bd1 $11) 43... e5+ $19 {[%cal Be6e5,Be5e4][%mdl 32]} 44. Kd3 e4+ 45. Kd4 a4 {White must now prevent ...b3.} 46. Bd1 {Prevents b3.} b3 47. a3 Kc6 48. Kc3 Kc5 {( -> ...d4+)} 49. Bh5 d4+ 50. Kb2 Kc4 {Black mates.} 51. Bf7+ {[#]} Kd3 $1 52. Bg6 Ke3 53. Bf5 Kf3 54. Kc1 b2+ {Weighted Error Value: White=0.85/Black=0.58} (54... e3 $142 55. Bd3 Kf2 56. Kd1 b2 57. Kc2 e2 58. Kxb2 e1=Q 59. Bc2 Kxg3 60. Bxa4 Kxh3 61. Kc2 g4 62. Kd3 Qe3+ 63. Kc4 Qc3+ 64. Kd5 Qa5+ 65. Bb5 Qxb5+ 66. Kxd4 g3 67. Ke4 g2 68. a4 Qc5 69. Kd3 g1=Q 70. Kd2 Qge3+ 71. Kd1 Qcc1#) 0-1

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.28"]
[Round "5.10"]
[White "Sebag, Marie"]
[Black "Csonka, Balazs"]
[Result "1/2-1/2"]
[ECO "C65"]
[WhiteElo "2460"]
[BlackElo "2480"]
[Annotator "TA"]
[PlyCount "29"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,29,22,22,10,16,6,15,4,14,0,0,2,0,-24,-2,-10,0,-10,-10,-14,-9,-12]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 {[%cal Bg8f6,Bf6d7,Bd7f8,Bf8e6][%mdl 32]} 4. d3 Bc5 5. Bxc6 dxc6 6. Nbd2 {C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5.} Nd7 7. Nc4 f6 $1 {7...f6 scores better than 7...0-0.} 8. O-O Nf8 9. Be3 Bxe3 10. Nxe3 Ne6 {[#]} 11. Qe1 $146 ({Predecessor:} 11. Kh1 O-O 12. Ng1 a5 13. a4 b6 14. Ne2 c5 15. b3 Bb7 16. Qe1 Nd4 17. f4 exf4 18. Rxf4 Nxc2 19. Nxc2 Qxd3 {½-½ (60) Le,Q (2709)-Van Foreest,J (2698) chess24.com INT 2021}) 11... O-O 12. Nd2 {The position is equal.} c5 13. Kh1 b6 14. a4 a5 15. Ndc4 {Not much happened in this game.  Weighted Error Value: White=0.10 (very precise) /Black=0.04 (flawless)} 1/2-1/2

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.30"]
[Round "6.1"]
[White "Rosen, Eric"]
[Black "Sebag, Marie"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2356"]
[BlackElo "2460"]
[Annotator "TA"]
[PlyCount "132"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,132,0,20,18,22,27,27,22,45,47,67,81,68,35,23,23,31,31,8,-76,0,0,0,0,18,0,0,-25,0,0,0,0,0,0,0,-23,-23,-39,-39,-176,-175,-178,-103,-541,-297,-276,-297,-285,-264,-310,-310,-310,-310,-279,-279,-381,-381,-381,-258,-484,-481,-372,-375,-484,-476,-605,-605,-605,-608,-605,-581,-585,-520,-563,-502,-527,0,-487,-487,-462,-464,-913,-833,-738,-465,-692,-493,-939,-813,-1136,-1108,-1219,-1061,-2088,-1943,-1499,-1466,-4726,-3020,-29971,-29965,-29977,-29978,-29978,-29979,-29978,-29979,-29977,-29978,-29976,-29976,-29982,-29983,-29983,-29984,-29984,-29985,-29986,-29987,-29990,-29990,-29991,-29992,-29997,-29998]} 1. d4 d5 2. Bf4 c5 3. e3 Nc6 4. Nf3 Nf6 5. Nbd2 Nh5 6. dxc5 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} Nxf4 7. exf4 Qa5 8. c4 {White has an edge.} Qxc5 9. b4 Nxb4 (9... Qxb4 10. cxd5 Nd4 11. Rb1 (11. Nxd4 Qxd4 12. Bb5+ Kd8 $14) 11... Nxf3+ 12. Qxf3 $16) 10. a3 $1 {[#]} Na6 $146 ({Predecessor:} 10... Nc6 11. Nb3 Qb6 12. cxd5 Nb8 13. Rc1 Bd7 14. Ne5 g6 15. Nc4 Qf6 16. Nc5 Bh6 {0-1 (55) Romero Pallares,D (2170)-Santos Ruiz,M (2594) Benasque 2021}) 11. Ne5 (11. cxd5 $5 {[%cal Rf3e5]} f6 12. Bc4 $14) 11... Qa5 {To avoid Qa4+} 12. cxd5 g6 13. Qb3 Bg7 14. d6 (14. Qb5+ $11 Qxb5 15. Bxb5+ Kf8 16. Rc1) 14... Bxe5 (14... O-O $17 15. dxe7 Bxe5 16. exf8=Q+ (16. exf8=R+ Kxf8 17. Rc1 Bxf4 $11) 16... Kxf8) 15. Bb5+ $11 Kf8 ({Resist} 15... Bd7 16. Bxd7+ Kf8 17. dxe7+ (17. Qxb7 $2 Rb8 $19) 17... Kxe7 {[#]} 18. Qe3 $1 $14) 16. fxe5 Bd7 17. dxe7+ Kxe7 18. Be2 {Qe3 is the strong threat.} Bc6 {[#] Strongly threatening ...Rhd8.} 19. Qe3 $1 {aiming for 0-0.} Rhd8 {Active counter play!} 20. Rd1 {Hoping for 0-0.} Ba4 21. Rb1 Bc6 {And now ...Rd5 would win.} 22. Rb2 Bxg2 23. Qg5+ Kf8 {Chess con chili.} 24. Qxg2 (24. Qf6 $1 $15 Bxh1 25. e6) 24... Qxe5 $19 25. Rb5 ({Avoid the trap} 25. Qxb7 $2 Rab8 26. Qf3 Rxb2 $19) 25... Qc3 $40 {[%mdl 128] Black attacks with force.} ({Better is} 25... Nc5 $19 26. Qg3 Qd5) 26. Rd5 {[%mdl 8192]} (26. O-O $17 {is more resistant.} Rxd2 27. Qf3 Qxf3 28. Bxf3) 26... Nc7 27. Rxd8+ Rxd8 28. O-O Qxd2 29. Qxb7 Qxe2 30. Qxc7 {[%mdl 4096] Endgame KQR-KQR} Qg4+ 31. Qg3 Qxg3+ 32. hxg3 {KR-KR} Rd3 33. Ra1 a5 34. a4 $2 (34. g4) 34... Rd4 35. Kg2 h5 36. Kf3 Kg7 37. Ra3 g5 38. Ke3 Rb4 39. Kf3 Kg6 40. Kg2 f6 41. Ra1 Kf5 42. Rh1 Kg6 43. Ra1 h4 44. Ra3 hxg3 45. Kxg3 (45. fxg3 $142 Kh5 46. Rf3) 45... Kf7 46. Kf3 Ke6 47. Ke2 (47. Kg2 $142 Kd5 48. Ra1) 47... Rf4 48. f3 (48. Ke3 $142 Kd5 49. Ra2) 48... Kd5 {White must now prevent ...Kc4.} 49. Rb3 Rxa4 50. Rb6 Ke5 51. Kf2 Rb4 52. Ra6 a4 53. Ra5+ Kf4 {( -> ...Rb2+)} 54. Kg2 Rd4 {Black mates.} 55. Ra6 f5 56. Ra5 Rd2+ 57. Kf1 Ra2 58. Kg1 Kg3 {[%cal Ra2a1]} 59. Kf1 Rf2+ 60. Kg1 Rxf3 61. Rxa4 Rb3 {[%cal Rb3b1]} 62. Ra1 f4 {[%cal Bf5f4,Bf4f3][%mdl 32]} 63. Kh1 f3 64. Rg1+ Kf4 65. Kh2 g4 {[%cal Bg5g4,Bg4g3][%mdl 32]} 66. Rb1 g3+ {Weighted Error Value: White=0.87/Black=0.28 (precise)} 0-1

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.30"]
[Round "6.2"]
[White "Brunello, Sabino"]
[Black "Muzychuk, Mariya"]
[Result "1/2-1/2"]
[ECO "D46"]
[WhiteElo "2492"]
[BlackElo "2539"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,33,13,20,23,13,13,-42,17,16,0,15]} 1. d4 Nf6 2. Nf3 d5 3. c4 e6 {[%cal Be7e6,Be6e5][%mdl 32]} 4. Nc3 c6 5. e3 Nbd7 6. Qc2 Bd6 7. Bd3 O-O 8. O-O e5 9. cxd5 cxd5 10. e4 exd4 11. Nxd5 Nxd5 12. exd5 h6 13. Nxd4 {13.b3 is not played anymore.} Qh4 {[%csl Gd6][%cal Rh4h2] [#] D46: Semi-Slav: 5 e3 Nbd7 6 Bd3, Black avoids the Meran.} 14. Nf3 Qh5 15. Bh7+ Kh8 {Threatens to win with ...Nf6.} 16. Qf5 Qxf5 17. Bxf5 {[#] An even fight not without its subleties.  Weighted Error Value: White=0.03 (flawless) /Black=0.00 (flawless)} {Predecessor:} Nf6 $146 18. Bxc8 Rfxc8 19. Rd1 Rd8 20. Be3 Be7 21. d6 Rxd6 22. Rxd6 Bxd6 23. Rd1 Be7 {½-½ (58) Duda,J (2743)-Harikrishna,P (2732) Wijk aan Zee 2021} 1/2-1/2

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.30"]
[Round "6.3"]
[White "Bwalya, Gillan"]
[Black "Girya, Olga"]
[Result "0-1"]
[ECO "E39"]
[WhiteElo "2404"]
[BlackElo "2416"]
[Annotator "TA"]
[PlyCount "124"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,124,16,8,39,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,-28,-24,-22,-31,-51,-51,-57,-54,-51,-37,-54,-57,-59,-34,-27,-22,-59,-59,-64,-63,-63,-63,-64,-69,-73,-73,-73,-70,-80,-80,-82,-82,-84,-81,-87,-87,-87,-74,-112,-111,-112,-112,-132,-112,-112,-80,-78,-78,-78,-78,-106,-112,-144,-135,-135,-135,-135,-135,-170,-135,-173,-139,-253,-245,-409,-387,-1171,-772,-29953,-29954,-29954,-29956,-29956,-29957,-29960,-29961,-29960,-29962,-29962,-29963,-29969,-29962,-29962,-29962,-29962,-29960,-29965,-29966,-29960,-11605,-5447,-5065]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Nf3 Na6 7. g3 Nxc5 8. Bg2 Nfe4 {E39: Nimzo-Indian: Classical: 4...c5 5 dxc5 0-0.} 9. O-O (9. Bd2 $5 {[%cal Rc3e4]} Bxc3 10. Bxc3 $11) 9... Bxc3 10. bxc3 b6 $1 {[%mdl 4] The position is equal. is now more promising than 10...d6.} 11. Ng5 d5 12. Nxe4 dxe4 13. Bxe4 Nxe4 14. Qxe4 Ba6 15. Ba3 Re8 16. Rfd1 {Prevents Qd2.} Qc7 {[#]} 17. Bd6 $146 (17. c5 {seems wilder.} bxc5 18. c4 Rad8 19. Bb2 e5 20. Rxd8 Qxd8 21. Rc1) ({Predecessor:} 17. c5 bxc5 18. Qe3 Rac8 19. c4 Bxc4 20. Rdc1 Bd5 21. Bxc5 Qa5 22. Bxa7 Rxc1+ 23. Rxc1 Qxa2 {½-½ (30) Soffer,R (2488)-Givon,A (2471) Tiberias 2016}) 17... Qxc4 18. Qxc4 Bxc4 19. Rd2 Rac8 20. f3 e5 21. a4 e4 22. fxe4 Rxe4 23. a5 h6 24. axb6 axb6 25. Rb1 Rc6 26. Bb4 Rxe2 27. Rxe2 Bxe2 $15 {[%mdl 4096] Endgame KRB-KRB} 28. Re1 Bc4 29. Rd1 Re6 30. Rd2 b5 31. Bc5 Re1+ 32. Kf2 Rc1 33. Bb4 Kh7 34. Ba5 Kg6 35. Bb4 Kf5 36. Kg2 Ke4 {[#] aiming for ...Ke3.} 37. g4 Ke3 38. Rd7 Kf4 39. Rd4+ Ke5 40. Rd2 Bd5+ 41. Kf2 Rh1 42. Ke3 Rg1 43. c4 Bxc4 44. Bc3+ Ke6 45. Bxg7 h5 $1 46. Bf8 Rxg4 47. Rd6+ Kf5 48. Rh6 (48. Rd4 $17 {was called for.}) 48... Rh4 $19 49. Bd6 $2 (49. Kf2) 49... Re4+ 50. Kf3 $2 (50. Kd2 Kg5 51. Bf8) 50... Re6 51. Rxe6 Kxe6 {KB-KB} 52. Bf8 Kd5 53. Ke3 Bf1 54. Kd2 Kc4 55. Be7 f5 {[%cal Bf7f5,Bf5f4,Bf4f3,Bf3f2][%mdl 32]} 56. Bd6 b4 {[%cal Bb5b4,Bb4b3][%mdl 32]} 57. Be5 b3 58. Ke3 Bg2 59. Kd2 Bd5 60. Ke3 f4+ 61. Kd2 f3 {[#] ( -> ...f2)} 62. Ke3 f2 {Weighted Error Value: White=0.36/Black=0.04 (flawless)} 0-1

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.30"]
[Round "6.4"]
[White "Aziz, Husain"]
[Black "Batsiashvili, Nino"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "2357"]
[BlackElo "2491"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,79,0,0,0,0,0,0,-1,-65,-52,-291,-272,-271,-262,-282,-300,-286,-308,-237,-227,-271,-274,-472,-24,-22,79,76,184,185,183,175,152,81,177,175,182,178,177,182,162,185,189,175,170,180,177,159,470,461,584,576,571,558,4878,5393,4386,3085,29972,29972,29979,29980,29978,29979,29983,29977]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 O-O 8. O-O d5 9. Bd2 Rb8 {C47: Scotch Four Knights and Four Knights with 4 g3.} 10. Re1 Re8 11. a3 Bd6 {[%cal Bb4d6,Bd6h2,Bh2e5][%mdl 32] [#] next ...Ng4 is good for Black. The position is equal.} 12. b4 $146 (12. h3 $11) ({Predecessor:} 12. h3 Rxb2 13. exd5 cxd5 14. Nb5 Ne4 15. Nxd6 Qxd6 16. Bb4 Qf6 17. Qf3 Bf5 18. Bxe4 dxe4 19. Bc3 Qc6 20. Qg3 {1-0 (20) Kryvoruchko,Y (2699)-Banusz,T (2631) Tornelo INT 2021}) 12... Ng4 $15 13. exd5 $2 (13. f4 $15) 13... Bxh2+ $19 14. Kf1 Be5 (14... cxd5 15. Rxe8+ Qxe8 16. Qe2 (16. Nxd5 Qd8 $17) 16... Qxe2+ 17. Kxe2 $15) (14... Rxe1+ 15. Qxe1 cxd5 16. g3 $15 (16. Nxd5 $2 Be5 $17)) 15. f3 {[#]} Qh4 {[%csl Gg4][%cal Rh4f2]} 16. fxg4 Bxg4 17. Rxe5 Rxe5 (17... Bxd1 $2 18. Rxe8+ Rxe8 19. Rxd1) 18. Qc1 Rbe8 19. dxc6 (19. Bf4 Qf6 20. Kg1) 19... Qf6+ $2 (19... Bf5 $19 {( -> ...Bxd3+)} 20. Be2 (20. Kg1 $2 Qd4+ 21. Kh2 Bxd3 $19) 20... Be6) 20. Kg1 $11 Qxc6 (20... Rh5 $11 {keeps the balance.} 21. Ne4 Rxe4 $1 22. Bxe4 Qd4+ 23. Be3 Qxe4) 21. Qf1 $16 R8e6 (21... Bh5 $16 {is a better defense.}) 22. Qf2 $18 h5 23. Qxa7 {Strongly threatening Rf1.} Bf5 24. Rf1 (24. b5 $142 Qd6 25. Bf4 Bxd3 26. cxd3 (26. Qb8+ $2 Kh7 $19)) 24... Rg6 25. Rf2 $1 (25. Qf2 $6 Bxd3 26. cxd3 Rf5 $14) 25... Bxd3 26. cxd3 h4 27. Qd4 h3 {[%cal Rg6g2] [#]} 28. Qd8+ $1 (28. Qxe5 $2 {loses.} Rxg2+ 29. Kh1 (29. Kf1 $2 Rxf2+ 30. Kxf2 Qg2+ 31. Ke1 h2 $19) 29... Rxf2+ 30. Qe4 Qf6 31. Qe8+ Kh7 32. Qe4+ g6 $19) 28... Re8 {[%cal Rg6g2]} 29. Qd5 Qxd5 30. Nxd5 hxg2 {[#]} 31. a4 $1 {Threatens to win with b5.} ({Don't blunder} 31. Rxg2 $2 Rxg2+ 32. Kxg2 Re2+ 33. Kf3 Rxd2 $19) ({Don't do} 31. Nxc7 Rd8 $16) 31... Rg3 $2 (31... c6 $16 {is more resistant.}) 32. b5 {[%cal Bb4b5,Bb5b6,Bb6b7][%mdl 32]} Rxd3 33. Nxc7 Red8 {[#]} 34. b6 $1 Rxd2 (34... f6 35. a5) 35. Rxd2 Rxd2 {KR-KN} 36. b7 Rd8 37. a5 {[%cal Ba4a5,Ba5a6][%mdl 32] White mates.} Rb8 38. a6 Kh7 39. Nd5 f5 40. Kxg2 {Weighted Error Value: White=0.27 (precise) /Black=0.65} 1-0

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.30"]
[Round "6.5"]
[White "Csonka, Balazs"]
[Black "Cramling, Pia"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2480"]
[BlackElo "2452"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,79,22,30,39,11,73,64,71,68,83,79,103,96,91,85,92,75,77,47,43,35,59,55,53,58,54,49,53,56,68,58,106,51,79,80,76,65,77,61,114,114,119,99,109,105,118,116,127,93,137,122,227,205,302,286,277,282,362,374,396,380,476,421,787,741,604,403]} 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 Nc6 5. Bc4 {[%cal Bf1c4,Bc4b3,Bb3c2][%mdl 32]} Nb6 6. Bb3 c4 7. Bc2 d6 8. exd6 e5 {B22: Sicilian: 2 c3.} 9. O-O (9. a4 $5 {[%cal Ra4a5]}) 9... Qxd6 (9... Bxd6 $11 10. d3 f5) 10. b3 $16 Be7 {White is slightly better.} 11. Re1 cxb3 12. axb3 {[%cal Of3e5] [#]} Qc7 $146 ({Predecessor:} 12... O-O 13. Ba3 Qf6 14. Bxe7 Qxe7 15. d4 Bg4 16. Qd3 g6 17. Nxe5 Nxe5 18. Rxe5 Qc7 {1-0 (31) Semjonovs,I (2207)-Potapov,P (2464) Tallinn 2019}) 13. d4 exd4 14. Nxd4 {And now Nb5 would win.} O-O 15. Nxc6 {White is more active.} bxc6 16. Qh5 {[%csl Gc2][%cal Rh5h7]} g6 $1 17. Qf3 Nd5 18. Bh6 Rd8 19. c4 Nb4 20. Qc3 {[%csl Gh6][%cal Rc3g7]} f6 21. Be4 $36 {[%mdl 2048] Black is under pressure.} a5 22. Nd2 Bb7 (22... Bf8 $14 23. Bxf8 Rxf8) 23. Nf3 (23. c5 $16) 23... Bf8 24. Bxf8 Rxf8 25. Nd4 {aiming for Ne6.} (25. c5 {seems wilder.} Rad8 26. Nd4 Rfe8 27. Nc2 f5 28. Bf3) 25... Rae8 {Inhibits Ne6.} 26. Bf3 {Strongly threatening Ne6.} Qd7 {Inhibits Ne6.} (26... Bc8 $14) 27. Red1 ({Don't blunder} 27. Rxa5 $2 {[#]} Qxd4 $3 {[%mdl 512]} 28. Qxb4 c5 $1 29. Rxc5 (29. Rxe8 $2 Rxe8 $19) 29... Qxc5 $3 $19 {[%mdl 512]}) 27... Qc7 28. Nc2 Nxc2 29. Qxc2 Re5 30. Qc3 Rfe8 31. h4 Ba6 (31... c5 $142) 32. Ra2 Qb6 (32... Kg7 $16 33. g3 R8e7) 33. Rda1 $18 Bb7 (33... Bc8 $142 34. Rxa5 Rxa5 35. Rxa5 (35. Qxa5 Qxa5 36. Rxa5 Bd7 $16) 35... h5) 34. Rxa5 Rxa5 35. Rxa5 Bc8 36. b4 Kg7 37. h5 Be6 38. g3 {White is clearly winning.} Rd8 (38... Bc8 $142 39. g4 h6 40. hxg6 Qc7) 39. c5 Qc7 40. Qa1 {Weighted Error Value: White=0.12 (very precise) /Black=0.27 (precise)} 1-0

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.30"]
[Round "6.6"]
[White "Haria, Ravi"]
[Black "Sukandar, Irine Kharisma"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2490"]
[BlackElo "2407"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,49,16,8,14,22,4,0,0,0,0,0,10,10,10,9,11,12,0,-9,73,65,62,64,145,170,134,89,407,348,433,447,877,874,856,856,840,820,740,444]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 {[%cal Bd2d3,Bd3d4][%mdl 32]} O-O 6. O-O d6 7. Re1 $1 {[%mdl 4] is more profitable than 7.Bb3 at the moment.} a5 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} 8. h3 h6 9. d4 Bb6 {[%cal Of6e4] The position is equal.} 10. Bb3 Re8 11. Bc2 Bd7 {[#]} 12. Be3 $146 ({Predecessor:} 12. a3 Qb8 13. Qd3 Qa7 14. Be3 d5 15. Nbd2 exd4 16. Bxd4 Nxd4 17. Nxd4 Bxd4 18. Qxd4 Qxd4 19. cxd4 dxe4 20. Nxe4 Re6 21. Rac1 Kf8 {½-½ (22) Roques,P (2374)-Fraczek,D (2338) ICCF email 2014}) 12... exd4 13. Bxd4 Nxd4 14. cxd4 Nh5 15. Qd2 f5 (15... Qf6 $11) 16. Nc3 $16 {[%cal Bb1c3,Bc3d5,Bd5e7,Be7g6][%mdl 32] Black must now prevent Bb3+.} fxe4 17. Bxe4 Rf8 {[#]} ({Black should play} 17... c6 $14) 18. Nd5 $1 {aiming for Bg6.} ({But not} 18. Bxb7 Rb8 19. Be4 Nf4 $16) 18... Kh8 {[#]} 19. Bc2 $1 {Qe3 is the strong threat. White is more active.} Bxh3 $2 {[%mdl 8192] A mistake that costs the game.} 20. Ne7 $18 (20. Qd3 Bf5 21. Qxf5 Rxf5 22. Bxf5 g5 $11) 20... Nf4 {Prevents Qd3.} 21. Nh4 {White is clearly winning.} ({Weaker is} 21. gxh3 Nxh3+ 22. Kg2 Nf4+ 23. Kh1 Qd7 $18) 21... Bd7 (21... Bg4 $142 22. Nhg6+ Nxg6 23. Nxg6+ Kg8 24. Ne7+ Kh8) 22. Nhg6+ Nxg6 23. Nxg6+ Kg8 24. Ne7+ ({Less strong is} 24. Bb3+ Kh7 25. Nxf8+ Qxf8 $18) 24... Kh8 25. Qd3 {Weighted Error Value: White=0.01 (flawless) /Black=0.63} 1-0

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.30"]
[Round "6.7"]
[White "Cheng, Bobby"]
[Black "Mammadzada, Gunay"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2550"]
[BlackElo "2470"]
[Annotator "TA"]
[PlyCount "157"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,157,17,6,38,27,31,36,37,25,38,25,32,29,36,21,41,33,47,45,46,29,43,29,44,56,67,56,56,40,82,82,82,94,94,89,83,52,53,56,53,64,70,66,68,63,58,60,60,57,63,63,76,74,95,67,70,64,106,105,115,106,116,103,130,130,130,66,64,62,60,31,38,38,38,25,25,25,45,38,38,38,67,67,67,59,59,54,126,25,25,25,25,25,25,25,25,25,25,0,25,0,25,20,20,20,25,25,25,0,25,25,25,25,25,25,25,25,25,25,25,25,25,25,32,32,32,25,25,25,26,20,20,20,20,20,20,8,20,0,20,0,20,20,20,0,5081,1760,29968,7539]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. a3 Be7 6. e4 d6 {[%cal Oe6e5] E11: Bogo-Indian.} (6... d5 $5 {[%cal Rd5e4]}) 7. Be2 Nfd7 {7...c5 is the recent fashion.} 8. b4 e5 {White is slightly better.} 9. d5 a5 10. Bb2 Qe8 11. O-O f5 12. c5 Nf6 13. exf5 Bxf5 {[#]} 14. Nc4 $146 ({Predecessor:} 14. b5 Kh8 15. Nc4 Nbd7 16. Ne3 Be4 17. c6 Nb6 18. cxb7 Rb8 19. Nd2 Bxd5 20. Nxd5 Nbxd5 {½-½ (35) Jugl,P (2370)-Schmitt,C (2347) GER email 2021}) 14... axb4 15. axb4 Rxa1 16. Bxa1 Be4 17. Ne3 Qg6 {To avoid Ng5} 18. Qb3 {[%cal Of3e5]} Kh8 19. Nd2 dxc5 (19... Bf5 $14) 20. Bxe5 $16 Nbd7 21. Bxc7 ({Worse is} 21. Nxe4 Nxe4 22. Bc3 (22. Bxc7 Nd2 $17) 22... cxb4 23. Bxb4 Qb6 $17) 21... Nxd5 {[%cal Bf6d5,Bd5c7,Bc7e6,Be6d4][%mdl 32]} 22. Nxe4 Nxc7 23. Nxc5 (23. Rd1 {looks sharper.} Nf6 24. Nxc5 Bxc5 25. bxc5 Ne4 26. Qc2) 23... Nxc5 24. bxc5 Bxc5 25. Qxb7 Ne6 26. Qc6 Qh6 27. Ng4 (27. Qe4 {seems wilder.} Nf4 28. Bg4 Qf6 29. g3 h5 30. Bd7) 27... Nd4 {[%csl LRc6,LRe2]} 28. Nxh6 ({Much weaker is} 28. Qxc5 Nxe2+ 29. Kh1 Ng3+ 30. Kg1 Ne2+ 31. Kh1 Ng3+ 32. Kg1 Ne2+ $11) 28... Nxc6 29. Ng4 {[%cal Bh6g4,Bg4e5,Be5d7][%mdl 32]} Nd4 30. Bd3 Rd8 {[%cal Od4f3]} 31. Ne5 {Hoping for Nf7+.} Kg8 {Prevents Nf7.} 32. Rd1 g6 33. Rb1 Re8 (33... Kf8 $14) 34. Nd7 Be7 35. Re1 {Threatens to win with Re4.} Kg7 36. h4 Nf5 37. Bxf5 gxf5 {[%mdl 4096] Endgame KRB-KRN} 38. Re5 (38. g3 $16) 38... Kf7 $14 39. g3 {White is more active.} ({Don't play} 39. Rxf5+ Ke6 40. Rh5 Kxd7 $11) 39... f4 40. Kg2 (40. g4 $5 {[%cal Re5f5]}) 40... fxg3 41. fxg3 Rg8 42. Kh3 Bd6 43. Re3 Ra8 44. Rd3 Ra6 45. Rf3+ Ke6 46. Nf6 $1 Ra7 47. Ne4 {Strongly threatening Ng5+.} Be7 48. Kg4 Ra5 {[#]} (48... Ra4 $14) 49. Rf1 ({White has to play} 49. Ng5+ $1 $16 Bxg5 50. hxg5) 49... h5+ $11 50. Kh3 Re5 51. Nd2 Bf6 52. Rf3 Re2 53. Rd3 Kf5 54. Rf3+ Kg6 55. Rd3 Kf5 56. Nb3 Be5 57. Nc5 Kg6 58. Nd7 Kf5 59. Nc5 Rc2 60. Rf3+ Kg6 61. Nd3 Bd6 62. Re3 Kf5 {To avoid Re6} 63. Ne1 Rc5 64. Nf3 Be5 {To avoid Nd4+} 65. Re2 Bf6 66. Ra2 Rc3 67. Ra5+ Kg6 $1 68. Ne1 Bd8 69. Rd5 Bc7 70. Nd3 Kf6 71. Kg2 Ke6 72. Rd4 Be5 73. Rd8 Bc7 74. Rd4 Be5 75. Rd8 {Re8+ is the strong threat.} Bc7 76. Re8+ Kf5 77. Re3 {Black must now prevent Rf3+.} Bd6 $2 {[%mdl 8192] [#]} (77... Rc2+ $11 78. Nf2 Bb6 79. Rf3+ Ke5) 78. Rf3+ $1 $18 Ke4 79. Nf2+ {Weighted Error Value: White=0.09 (flawless) /Black=0.08 (flawless)} 1-0

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.30"]
[Round "6.8"]
[White "Bellahcene, Bilel"]
[Black "Houska, Jovanka"]
[Result "1-0"]
[ECO "D45"]
[WhiteElo "2512"]
[BlackElo "2365"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,75,18,17,21,25,35,33,13,44,0,21,8,5,0,0,0,0,-8,-8,-26,-18,-15,0,0,0,0,0,0,0,-10,19,-11,0,0,39,21,26,22,53,52,64,60,102,25,39,3,3,12,11,0,38,37,84,33,325,324,816,789,29996,29997,29997,29998,29998,29999]} 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 b6 7. cxd5 {Recently 7.b3 got a lot of attention.} exd5 8. Bd3 {D45: Semi-Slav: 5 e3.} Bb7 9. O-O Be7 {[#]} 10. a4 $146 {[%cal Oa4a5] White is slightly better.} ({Predecessor:} 10. b3 O-O 11. Bb2 Rc8 12. Ne5 c5 13. Nxd7 Nxd7 14. Bxh7+ Kh8 15. Bf5 cxd4 16. Qd1 {1-0 (69) Wojtaszek,R (2719)-Holt,C (2549) Chess.com INT 2020}) 10... O-O 11. b3 (11. a5 $14) 11... Rc8 12. Bb2 g6 13. Rfd1 a5 14. Rac1 Bd6 15. Ne2 Re8 16. Ng3 Qe7 17. Qe2 Rc7 18. Rc2 h5 19. Rdc1 Ne4 20. Nf1 Kh7 21. g3 Ndf6 22. N1d2 Nxd2 23. Nxd2 c5 24. Nf3 Ne4 25. dxc5 bxc5 26. Bxe4 dxe4 27. Nd2 Be5 (27... Bd5 $14) 28. Ba3 ({White should try} 28. Bxe5 $16 Qxe5 29. Qb5) 28... Qf6 29. Nc4 {Threatening Qe1.} ({Of course not} 29. Bxc5 Ba6 30. Nxe4 Bxe2 $15) 29... Bc8 30. Nxe5 Qxe5 31. Bb2 ({Much less strong is} 31. Bxc5 Bh3 $16) 31... Qd5 32. Qb5 {[%csl LRa5,LRc5,LRe8]} Rd8 {[#]} (32... Rc6 $1 $14 {feels stronger.}) 33. Bd4 Bh3 $2 {[%mdl 8192] This costs Black the game.} (33... Bd7 $14 34. Qxa5 Rdc8) 34. Rxc5 $18 ({Weaker is} 34. Qxa5 Rdc8 $14) 34... Rxc5 (34... Qf5 35. Rxc7 Qf3 36. Rxf7+ Qxf7) 35. Rxc5 Qe6 {[#]} 36. Rxh5+ $1 {[%mdl 512] White mates.} gxh5 37. Qxh5+ Qh6 38. Qxf7+ {Weighted Error Value: White=0.14 (very precise) /Black=0.50} 1-0

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.30"]
[Round "6.9"]
[White "Krysa, Leandro"]
[Black "Efroimski, Marsel"]
[Result "1/2-1/2"]
[ECO "D32"]
[WhiteElo "2516"]
[BlackElo "2429"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,53,12,11,16,0,3,9,10,0,33,25,29,17,21,33,33,29,42,41,27,28,58,20,27,25,16,16,39,38,41,0,0,0,0,0,0,-12,-14,-11]} 1. c4 e6 2. Nc3 d5 3. e3 Nf6 4. Nf3 c5 5. cxd5 exd5 6. d4 Nc6 7. Bb5 cxd4 8. Nxd4 Bd7 9. O-O Bd6 {D32: Tarrasch Defence: Sidelines and lines without g3.} 10. b3 O-O 11. Bb2 Re8 12. Nf3 Ne5 {[#] aiming for ...Nxf3+.} 13. Be2 {[#]} Nxf3+ $146 ({Predecessor:} 13... Qa5 14. Qd2 Rac8 15. Rac1 b5 16. Rfd1 b4 17. Nxd5 Ne4 18. Qd4 Rxc1 19. Bxc1 Qxa2 20. Nd2 Nc6 21. Qc4 Nc5 22. Nxb4 Nxb4 23. Qxb4 Be6 24. Qa3 Bxb3 {½-½ (24) Punzon Moraleda,J (2417)-Rognes,O ICCF email 2007}) 14. Bxf3 Be5 {[%cal Of6e4]} 15. Rc1 {[%cal Ba1c1,Bc1c2,Bc2b2][%mdl 32]} Bc6 16. Rc2 Ne4 17. Ne2 Bxb2 18. Rxb2 Bb5 {[%cal Od5d4]} 19. Qd4 (19. a4 $5 {[%cal Ra4b5]} Ba6 20. Re1 $11) 19... Rc8 20. Ra1 Bxe2 21. Rxe2 Qa5 22. g3 b5 23. a3 ({Inferior is} 23. Qxd5 Nc3 24. Qd4 Nxe2+ 25. Bxe2 Red8 $17) (23. Kg2 $14 {might be stronger.}) 23... Qc3 $11 {The position is equal.} 24. Qxc3 Rxc3 25. Rb2 d4 26. Rd1 (26. Bxe4 $5 Rxe4 27. Rd1 $11) 26... d3 (26... dxe3 $2 27. Bxe4 g6 28. Bf3 $18) 27. Bxe4 {Weighted Error Value: White=0.08 (flawless) /Black=0.04 (flawless)} 1/2-1/2

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.30"]
[Round "6.10"]
[White "Gallagher, Joseph G."]
[Black "Abdumalik, Zhansaya"]
[Result "1/2-1/2"]
[WhiteElo "2447"]
[BlackElo "2491"]
[Annotator "NA RC"]
[PlyCount "8"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:04]} e5 {[%emt 0:00:06]} 2. Nf3 {[%emt 0:00:10]} Nc6 {[%emt 0:00:06]} 3. Bb5 {[%emt 0:00:34]} a6 {[%emt 0:00:06]} 4. Ba4 {[%emt 0:00:06]} Nf6 {[%emt 0:00:07]} 1/2-1/2

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.31"]
[Round "7.1"]
[White "Houska, Jovanka"]
[Black "Krysa, Leandro"]
[Result "1/2-1/2"]
[ECO "E16"]
[WhiteElo "2365"]
[BlackElo "2516"]
[Annotator "TA"]
[PlyCount "112"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,112,30,35,24,26,35,46,46,58,32,54,12,27,14,14,0,0,0,0,0,0,-12,-6,-9,-7,-25,-47,-16,-20,-20,0,0,0,0,3,0,0,5,6,0,0,0,0,0,0,0,0,0,59,58,58,47,64,60,54,0,95,89,272,193,180,102,110,0,85,0,161,130,137,141,226,246,234,237,216,168,314,0,0,0,0,0,0,0,0,0,0,15,9,0,0,0,0,0,10,0,0,0,14]} 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 c5 {[%cal Bc7c5,Bc5b4][%mdl 32]} 7. Bxb4 $1 {[%mdl 4] is recently more successful than 7.0-0.} cxb4 8. O-O O-O 9. Qd3 {E16: Queen's Indian: 4 g3 Bb7 5 Bg2 Bb4+.} d6 10. Rd1 Qc7 11. a3 {[#] White is slightly better.} bxa3 $146 ({Predecessor:} 11... Rc8 12. axb4 Qxc4 13. Qxc4 Rxc4 14. Ne5 Rc7 15. Bxb7 Rxb7 16. Rc1 Nbd7 17. Nc6 b5 {½-½ (44) Lysyj,I (2623)-Fantinel,T (2374) Helsingor 2019}) 12. Rxa3 {[%cal Od4d5]} Rc8 13. Nfd2 (13. Nc3 $14) 13... Nc6 14. Nc3 Nb4 {[#]} 15. Nb5 $1 Qd7 16. Qb3 {Threatens to win with Bxb7.} Bxg2 17. Kxg2 a5 18. Qa4 d5 19. Rc3 dxc4 {White must now prevent ...Ne8.} 20. Rdc1 h5 {[%cal Oe6e5]} 21. Rxc4 Rxc4 22. Rxc4 Rd8 {[%cal Oh5h4]} 23. Rc7 Qd5+ 24. Nf3 $1 Ne8 25. Rc1 h4 {[%cal Oh4h3]} 26. Nc3 Qb7 27. Qb5 Nf6 28. Na4 Nbd5 29. Nc5 Qa8 30. Nd3 Ne4 31. gxh4 Nd2 32. Qc6 $14 Nxf3 33. Kxf3 Qb8 34. Ne5 Ne7 {[%csl LRc6,LRd4]} 35. Qe4 (35. Qc7 $14 Qa8+ 36. Kg3 Nf5+ 37. Kh3) 35... Qd6 (35... Rc8 $11 {keeps the balance.} 36. Rxc8+ Qxc8) 36. e3 $36 {[%mdl 2048] Keeping Black busy. White is much more active.} Qb4 $2 (36... Nf5 $16 {was necessary.}) 37. Qb7 f6 {[#]} 38. Rc7 $1 Nf5 {[#]} 39. Rd7 {Dancing on a razor blade.} Rf8 (39... Rxd7 $11 40. Qxd7 Nxh4+ 41. Kg3 Nf5+ 42. Kf3 Nh4+ 43. Kg4 Qxb2) 40. Nc6 (40. Ng6 $16 Re8 41. Nf4) 40... Qe1 $2 ({But not} 40... Qxb2 41. Ne7+ Nxe7 42. Rxe7 $16) (40... Nxh4+ $2 41. Kg4 Nf5 42. Nxb4 $18) (40... Qb5 $1 $11 {and Black is okay.} 41. Ne7+ Nxe7 42. Rxe7 Qf5+ 43. Kg2 Qg4+ 44. Kh1 Qd1+ 45. Kg2 Qg4+ 46. Kh1 Qd1+ 47. Kg2 Qg4+) 41. Ne7+ $18 Nxe7 42. Rxe7 $16 {[%mdl 4096] Endgame KQR-KQR} Qd1+ (42... Qg1 $16) 43. Kg3 $18 Qg1+ 44. Qg2 Qb1 45. Kh3 {[%csl Ge7][%cal Rg2g7]} ({Inferior is} 45. Rxe6 Qg6+ 46. Kh3 Qf5+ 47. Qg4 Qxf2 $11) 45... Rf7 (45... Qf5+ $142 46. Qg4 Qxg4+ 47. Kxg4 Rc8 48. Rxe6 Rc2) 46. Re8+ $2 (46. Rxe6 $18 Qf5+ 47. Qg4) 46... Rf8 $1 $11 {The position is equal.} 47. Rxf8+ Kxf8 {KQ-KQ} 48. Qa8+ Kf7 49. Qb7+ Kg8 50. Qc8+ Kh7 51. Qxe6 {d5 is the strong threat.} Qxb2 52. Qe4+ Kg8 53. Qe8+ Kh7 54. Qe4+ Kg8 55. Qe8+ Kh7 56. Qe4+ Kg8 {Blacks defense is rewarded with a draw.  Weighted Error Value: White=0.22 (precise) /Black=0.29 (precise)} 1/2-1/2

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.31"]
[Round "7.2"]
[White "Girya, Olga"]
[Black "Aziz, Husain"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2416"]
[BlackElo "2357"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,75,10,15,4,31,22,37,47,31,36,39,35,47,41,39,41,34,7,87,80,87,60,104,99,100,102,119,109,174,204,212,215,202,212,183,206,218,207,215,198,216,218,214,213,188,193,187,147,253,237,228,146,203,147,302,264,12819,12824,12817,12824,1293,1112,778,621,585,497]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Be7 5. Bf4 O-O 6. e3 Nbd7 7. a3 {D37: Queen's Gambit Declined: 5 Bf4.} dxc4 8. Bxc4 Nb6 9. Bd3 {White is slightly better.} Nbd5 10. Be5 Nxc3 11. bxc3 c5 12. O-O b6 {[#]} 13. Ng5 $146 {And now Bxf6 would win.} ({Predecessor:} 13. dxc5 Bb7 14. cxb6 axb6 15. a4 Nd7 16. Bg3 Nc5 17. Bb5 Qc8 18. Nd2 {½-½ (30) Svetushkin,D (2594)-Genov,P (2447) Brasov 2011}) 13... h6 14. Qf3 {Nxf7 is the strong threat.} Bb7 15. Qxb7 $16 hxg5 16. f4 g6 (16... gxf4 $14 17. Qf3 (17. Bxf4 Nd5 $15) (17. exf4 cxd4 18. cxd4 Ng4 $11) (17. Rxf4 Nd5 $11) 17... Bd6) 17. fxg5 Ng4 {[%csl LRe3,LRg5]} 18. Bc7 {White is much more active. Black has bad knights. This bishop pair is nice.} Qd7 {[#]} 19. Qe4 Bxg5 (19... Nxe3 20. Rxf7) 20. Qxg4 $18 (20. Bf4 f5 21. Qf3 Bxf4 22. Qxf4 Rad8 $11) 20... Bxe3+ 21. Kh1 Qxc7 {[#]} 22. Bxg6 $1 {[%mdl 576] Demolition} fxg6 23. Qxg6+ ({Resist} 23. Qxe6+ $6 Kg7 24. Qxe3 Qd6 $16) 23... Kh8 24. Qh5+ Qh7 25. Qe5+ Qg7 26. Qxe3 cxd4 27. cxd4 Rf6 28. Rxf6 Qxf6 {[%mdl 4096] Endgame KQR-KQR} 29. Rc1 {Strongly threatening h3.} Rf8 (29... Rd8 $16 {might work better.} 30. h3 Rxd4 31. Rc8+ Kg7) 30. h3 Qf4 31. Qc3 {aiming for d5+.} Kg8 (31... Rf6 $16 32. Re1 Kg7) 32. Re1 Rd8 $2 {A mistake that costs the game.} (32... Rf6 $16 {was called for.} 33. Qc6 (33. Qc8+ Kg7 $16) 33... Qg3 34. Qe8+ Kh7 35. Qd7+ Qg7) 33. Qd3 {Black must now prevent Qg6+.} ({Weaker is} 33. Rxe6 Qf1+ 34. Kh2 Qf4+ 35. Qg3+ Qxg3+ 36. Kxg3 Rxd4 $16) 33... Qxd4 $2 (33... Rc8 34. Qg6+ Kf8 35. Qxe6 Rc7) 34. Qg6+ {White is clearly winning.} Qg7 35. Qxe6+ Qf7 36. Qg4+ Qg7 37. Qxg7+ Kxg7 38. Re7+ {Weighted Error Value: White=0.18 (very precise) /Black=0.27 (precise)} 1-0

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.31"]
[Round "7.3"]
[White "Cramling, Pia"]
[Black "Rosen, Eric"]
[Result "0-1"]
[ECO "D30"]
[WhiteElo "2452"]
[BlackElo "2356"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,100,4,6,4,0,8,8,2,0,0,-12,-12,-28,-19,-49,-41,-59,-18,-28,-12,-26,-20,-18,-21,-14,-14,-17,-4,-141,-137,-256,-273,-277,-271,-288,-288,-288,-288,-288,-288,-285,-203,-197,-197,-258,-237,-263,-252,-402,-393,-386,-283,-268,-283,-279,-271,-372,-352,-400,-340,-427,-414,-532,-418,-533,-417,-424,-381,-393,0,-354,0,-563,-468,-614,-614,-600,-593,-562,-531,-773,-747,-964,-939,-762,-762,-845,-781,-1888,-1845,-1262,-1164]} 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Bg5 dxc4 5. Qa4+ Nbd7 6. e3 Be7 {D30: Queen's Gambit Declined: Systems without Nc3.} 7. Bxc4 O-O 8. Qc2 {[#]} c5 $146 {The position is equal.} ({Predecessor:} 8... a6 9. O-O b5 10. Bd3 Bb7 11. Nbd2 Rc8 12. b4 Bxb4 13. Bxh7+ Kh8 14. Be4 Bxe4 15. Nxe4 {½-½ (48) Kryakvin,D (2577)-Vokhidov,S (2529) Lichess.org INT 2021}) 9. dxc5 Qa5+ 10. Nc3 {[%cal Oc5c6]} Qxc5 11. Bd3 b6 12. a3 Bb7 13. b4 Qc7 (13... Qc8 $15) 14. Rc1 ({Don't blunder} 14. Bxh7+ $2 Nxh7 15. Bxe7 Rfc8 $19) 14... Bxf3 15. gxf3 {[%cal Oc3d5]} Ne5 16. Bxf6 Nxd3+ 17. Qxd3 {[%cal Oc3e2] [#] And now Ne2! would win.} Bxf6 18. Ke2 $1 Rac8 {[%cal Rf6c3]} 19. Na2 {Black converts the advantage convincingly.} (19. Nd5 $11 Qxc1 20. Rxc1 Rxc1 21. Nxf6+ gxf6 22. Qd4) 19... Qe5 $36 {[%mdl 2048] Black is really pushing.} 20. a4 {[#]} (20. Rhd1 $17) 20... Qb2+ $1 $19 21. Qd2 Qb3 {Threatens to win with ...Bb2.} 22. Rxc8 Rxc8 23. Rc1 {Inhibits Rc2.} Rxc1 24. Nxc1 Qxa4 25. Nd3 Qc6 26. Qa2 g6 27. f4 (27. b5 {was worth a try.} Qxb5 28. Qxa7) 27... h5 28. h3 Kg7 29. Kd2 (29. Qa6 {was called for.}) 29... a5 30. bxa5 {a6 is the strong threat.} Qc3+ 31. Ke2 {Hoping for a6.} bxa5 32. Qa4 Qc7 33. e4 Qc3 34. Ke3 Be7 {[%cal Oe6e5]} 35. Ke2 Bb4 {Strongly threatening ...Qd2+.} 36. Qb5 Qd4 37. Kf3 Bc3 38. Nc5 Be1 {[%csl Ge1][%cal Rd4f2]} 39. Nd3 Bc3 {White must now prevent ...a4.} 40. Nc5 {To avoid a4} Bb4 ({But not} 40... Be1 $2 41. Qe2 Bb4 42. Na4 $19) (40... Qd2 $142 41. Qd3 Qxd3+ 42. Nxd3 a4) 41. Nd3 Bd6 {aiming for ...a4. Black is clearly winning.} 42. Qb2 Qxb2 43. Nxb2 {[%mdl 4096] Endgame KB-KN} Bc5 44. Ke2 Bd4 45. Na4 Kf6 46. f3 g5 47. Kd3 Bg1 48. e5+ Kf5 49. fxg5 Kxg5 50. Nc3 Kh4 {Weighted Error Value: White=0.54/Black=0.33} 0-1

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.31"]
[Round "7.4"]
[White "Sebag, Marie"]
[Black "Brunello, Sabino"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2460"]
[BlackElo "2492"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,80,8,20,7,40,25,64,63,66,69,67,60,49,66,56,0,0,-6,37,-82,-81,-68,-80,-218,-184,-181,-182,-193,-79,-80,-75,-73,-89,-89,-50,-51,-45,-50,-49,-43,-49,-46,-35,-31,-25,-27,-32,-33,49,0,89,-42,-47,-61,-29,-29,-28,-29,-14,-15,-14,-14,-14,-15,0,0,0,0,13]} 1. e4 {Sumets,A} c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Ne7 6. O-O c5 {6...h6 is setting a new trend.} 7. c4 Nbc6 8. dxc5 {B12: Caro-Kann: Advance Variation.} d4 {aiming for ...d3.} 9. Qb3 Qc7 10. Na3 $1 {Strongly threatening Nb5. White is slightly better.} a6 {To avoid Nb5} 11. Qa4 $1 {[%cal Oa3b5] Black must now prevent Nb5!} Rd8 (11... d3 12. Nb5 $1 axb5 13. Qxa8+ $16) 12. b4 Ng6 $1 13. Bd1 Rd7 {[#]} 14. Bb2 $146 (14. Re1 $14) ({Predecessor:} 14. Nc2 Bxc2 15. Bxc2 d3 16. Bd1 Be7 17. Bb2 O-O 18. Rb1 Rfd8 19. Re1 Nh4 20. Nxh4 Bxh4 {1-0 (62) Grischuk,A (2785)-Lupulescu,C (2630) Warsaw 2013 CBM 158 [Sumets,A]}) 14... Be7 $11 15. Nc2 {[%cal Rf3d4]} Bxc2 (15... Ncxe5 $11 {is superior.} 16. Ncxd4 Bd3) 16. Qxc2 (16. Bxc2 $14 {is the one way to stay ahead.} d3 17. Bb3) 16... Nxb4 $17 {Pair of Knights!} 17. Qe4 Qc6 {Prevents Ba4.} ({Reject} 17... Qxc5 18. Ba4 Nc6 19. Bxc6 (19. Nxd4 Qxc4 20. Bxc6 bxc6 $15) 19... Qxc6 20. Qxc6 bxc6 21. Bxd4 $11) 18. Qg4 (18. Qb1 $17 {was called for.} d3 19. Bc3 (19. a3 Nc2 $15)) 18... Bxc5 19. Ne1 {[#]} h5 $1 20. Qg3 {[#] Hoping for a3.} Qe4 (20... h4 $1 $19 {[%cal Rh4g3] and Black stays clearly on top.} 21. Qh3 d3) 21. Ba4 Nc6 {And now ...d3 would win.} ({Of course not} 21... Qxe5 22. Bxd7+ Kxd7 23. Qf3 $11) 22. Nd3 Be7 23. f4 Qe3+ 24. Kh1 h4 25. Qf3 Qxf3 26. Rxf3 O-O 27. g4 hxg3 28. hxg3 Rc7 29. Rc1 Rd8 30. c5 Na7 (30... Nf8 $15) 31. Kg2 (31. f5 $1 $14 exf5 32. Rxf5) 31... Nb5 (31... Nc6 $11) 32. Rc4 ({White should try} 32. f5 $16 exf5 33. Rxf5) 32... b6 {[%cal Re7c5]} 33. c6 Rdc8 (33... Ba3 {is more complex.} 34. Nb4 Bxb4 35. Rxb4 Rxc6 36. Bxb5 axb5 37. Rxd4 Ra8) 34. Nb4 Bxb4 35. Rxb4 Rxc6 {Threatening ...Ne7.} 36. Bxb5 {The position is equal.} axb5 37. Bxd4 Rc2+ 38. Rf2 Rxf2+ 39. Bxf2 Rc2 40. Rxb5 Rxa2 {Whites escaped into a draw.  Weighted Error Value: White=0.19 (very precise) /Black=0.20 (precise)} 1/2-1/2

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.31"]
[Round "7.5"]
[White "Abdumalik, Zhansaya"]
[Black "Cheng, Bobby"]
[Result "1/2-1/2"]
[ECO "B69"]
[WhiteElo "2491"]
[BlackElo "2550"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,105,47,51,0,4,0,0,-10,-10,-6,-12,0,-8,-15,-20,-86,-79,-72,-83,-76,-54,-52,-57,-60,-66,-90,6,4,42,36,26,22,113,0,0,0,105,17,56,21,122,129,131,140,122,128,159,174,147,70,75,77,368,133,99,72,92,84,89,82,68,68,68,71,79,69,76,84,70,70,81,36,33,38,50,14,14,14,16,0,0,0,29,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 Be7 10. Nf3 b5 11. Bxf6 gxf6 12. f5 Qb6 13. Ne2 {B69: Sicilian: Richter-Rauzer: 7...a6 8 0-0-0 Bd7 9 f4 Be7 10 Nf3 b5 11 Bxf6.} (13. Kb1 $14 {is more appropriate.}) 13... Qa5 $11 14. Qxa5 Nxa5 15. Nf4 {The position is equal.} Bf8 {Threatens to win with ...Bh6.} 16. Kb1 Bh6 {[#]} 17. Nh5 $146 ({Predecessor:} 17. g3 Ke7 18. Nd4 Bxf4 19. fxe6 fxe6 20. gxf4 Nc6 21. Nxc6+ Bxc6 22. Bd3 Rag8 23. Rhg1 {½-½ (44) Dixit,N (2318)-Vorobiov,E (2578) Pardubice 2019}) 17... Ke7 18. g4 Rhg8 19. e5 (19. Rg1 $11) 19... fxe5 $17 20. f6+ Ke8 21. Rxd6 (21. Ng7+ $2 Bxg7 22. fxg7 Bc6 $19) 21... Bc6 22. Be2 Bf8 {This bishop pair is nice.} 23. Rdd1 Nc4 $1 24. h3 Rc8 (24... Rd8 $1 $17 25. Ng3 (25. Rxd8+ Kxd8 26. Rd1+ Kc7 $17) 25... Bh6 26. Rxd8+ Kxd8 27. Rd1+ Kc7 28. Bxc4 Bxf3) 25. Rhe1 $11 Bh6 26. Bxc4 Bxf3 27. Be2 Bd5 (27... Bxe2 $11 28. Rxe2 Rd8 29. Rxd8+ Kxd8) 28. Bd3 Bf3 29. Be2 $36 {[%mdl 2048] White has the initiative.} Bd5 30. Bf1 (30. a4 $1 $16) 30... Rg5 31. Ng3 {[%cal Oa2a4]} (31. a4 $5) 31... Bf8 (31... Rg6 $11 {remains equal.}) 32. a4 $1 $16 bxa4 33. Bxa6 Rb8 34. c4 $1 Bc6 {[%cal Oe5e4]} 35. Ne4 Rg6 36. Nd6+ (36. g5 $1 $16) 36... Bxd6 $14 37. Rxd6 Bg2 {[%mdl 8192] [#]} (37... Bf3 $16 {might work better.}) 38. Bb5+ $2 (38. g5 $1 $18 Bf3 39. Rxe5) 38... Kf8 $16 {[#]} 39. g5 {Strongly threatening Red1.} ({Reject} 39. Bxa4 Rxf6 40. Rxe5 Rf4 $15) 39... h6 (39... Rxg5 $2 40. Red1 Bd5 41. cxd5 $18) 40. Red1 {Rd8+ would kill now. White is much more active.} ({Much weaker is} 40. Bxa4 $6 hxg5 41. Rxe5 Rxf6 $11) 40... Kg8 41. Rd8+ Rxd8 42. Rxd8+ {[%mdl 4096] Endgame KRB-KRB} Kh7 43. c5 {Black must now prevent c6.} hxg5 44. c6 Bxc6 45. Bxc6 {And now Be4 would win.} Rxf6 46. Bxa4 $14 {KRB-KR} Rf4 47. Bc2+ (47. Bb5 $16) 47... Kg7 $1 48. Kc1 Rb4 49. Rd3 f5 50. Rb3 Rh4 51. Rg3 Kf6 52. Kd2 e4 53. b4 {Black escapes into a draw.  Weighted Error Value: White=0.22 (precise) /Black=0.23 (precise)} 1/2-1/2

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.31"]
[Round "7.6"]
[White "Batsiashvili, Nino"]
[Black "Bellahcene, Bilel"]
[Result "0-1"]
[ECO "E21"]
[WhiteElo "2491"]
[BlackElo "2512"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,98,19,20,12,9,15,31,30,33,18,48,42,48,52,50,47,52,24,25,-7,20,27,23,23,27,22,29,30,40,28,42,43,50,35,30,56,37,38,54,34,22,0,40,0,0,0,28,11,15,-81,-76,-127,-86,-66,-52,-46,-49,-76,-64,-95,-104,-113,-104,-119,-94,-118,-102,-193,-188,-168,-102,-261,-8,-8,-8,-568,-521,-776,-763,-755,-672,-828,-682,-793,-759,-1246,-1182,-5805,-5417,-29985,-29985]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 {[%cal Bg1f3,Bf3d2,Bd2f1,Bf1g3,Bg3f5][%mdl 32]} Bxc3+ 5. bxc3 d6 6. Nd2 {E21: Nimzo-Indian: 4 Nf3.} O-O 7. e4 e5 8. Bd3 {[#] White is slightly better.} Re8 $146 ({Predecessor:} 8... Nc6 9. Bb2 Ne7 10. O-O Ng6 11. g3 Bh3 12. Re1 Ne8 13. Qh5 Qd7 14. Nf1 Bg4 {0-1 (69) Urkedal,F (2550)-Vitiugov,N (2732) Khanty-Mansiysk 2019}) 9. O-O Nbd7 {[%cal Bb8d7,Bd7f8,Bf8g6,Bg6e7,Be7c6,Bc6a5][%mdl 32]} 10. Re1 Nf8 11. Nf1 b6 12. Ng3 Ng6 13. Nf5 h6 14. g3 Ne7 (14... Bxf5 $5 15. exf5 Nf8 $11) 15. Ne3 Nc6 16. Bb2 Na5 17. f3 Ba6 18. Qe2 c6 19. Rad1 Qd7 20. c5 Bxd3 21. Rxd3 {aiming for dxe5.} exd4 22. cxd4 {Hoping for cxd6.} d5 23. e5 Nh7 24. f4 Nc4 25. Bc3 f5 26. Ng2 Nf6 27. Nh4 $1 Ne4 28. Qh5 Rf8 29. Qg6 (29. g4 $11 {remains equal.}) 29... Qe8 $1 $17 ({Of course not} 29... bxc5 $6 30. dxc5 (30. e6 Qe8 $15) 30... Rae8 31. g4 $11) 30. g4 (30. h3 $142) 30... Qxg6 {The board is on fire.} ({But not} 30... bxc5 $6 31. gxf5 Nxc3 32. Rxc3 $11) ({Black should play} 30... fxg4 31. f5 h5) 31. Nxg6 fxg4 32. Nxf8 Rxf8 {[%cal Ba8f8,Bf8f4,Bf4f6][%mdl 32]} 33. cxb6 axb6 34. Bb4 Rxf4 35. e6 {[%cal Od3c3] [#]} Rf6 $1 36. e7 Kf7 37. Rf1 h5 {[%cal Bh6h5,Bh5h4,Bh4h3][%mdl 32]} 38. a4 (38. h3 $17 {is a better defense.}) 38... h4 39. Rxf6+ gxf6 $19 {[%mdl 4096] Endgame KRB-KNN} 40. Rd1 $2 {[#]} (40. h3 $17 {only move.}) 40... f5 $2 ({Black should try} 40... Ng5 $1 $19 {[%cal Rg5h3]} 41. Kf2 f5) 41. Rf1 $11 Ne3 42. Rf4 {[%mdl 8192]} (42. Rc1 $11 g3 43. Rxc6) 42... h3 $19 43. Ba3 Ke8 44. Bc1 Nc2 45. Bb2 Ne1 46. Rxf5 Kxe7 {Threatens to win with ...Nf3+.} 47. Kf1 Nf3 48. Rh5 Nxh2+ {Pair of Knights!} 49. Ke2 Ng3+ {Weighted Error Value: White=0.82/Black=0.12 (very precise)} 0-1

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.31"]
[Round "7.7"]
[White "Muzychuk, Mariya"]
[Black "Bwalya, Gillan"]
[Result "1-0"]
[ECO "B81"]
[WhiteElo "2539"]
[BlackElo "2404"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,79,43,77,81,85,39,52,43,62,0,79,65,66,56,53,0,79,0,48,47,120,102,193,162,229,227,278,228,250,251,262,257,330,302,340,324,394,404,418,420,420,402,434,414,417,403,429,417,439,420,458,449,452,462,459,460,462,376,646,639,613,613,1166,1137,1704,1543]} 1. e4 {Ftacnik,L} c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g4 h6 7. h4 Nc6 8. Rg1 Nd7 {Recently 8...d5 got a lot of attention.} 9. g5 {B81: Sicilian Scheveningen: Keres Attack.} hxg5 10. Bxg5 (10. hxg5 $16 Nde5 11. Be3) 10... Qb6 $14 {[%csl LRb2,LRd4]} 11. Nb3 {White is slightly better.} a6 12. Qe2 (12. Qd2 $14) 12... Nf6 (12... Nd4 $1 $11 {remains equal.} 13. Qd1 Nb5) 13. O-O-O $16 Bd7 {[#]} 14. Bh3 $5 $146 {[%mdl 8] New and interesting.} ({Predecessor:} 14. Bg2 Qc7 15. Rge1 O-O-O 16. f4 Be7 17. e5 Ne8 18. Bxe7 Nxe7 19. Ne4 dxe5 20. fxe5 {1-0 (54) Charbonneau,P (2509)-Shipov,S (2582) Montreal 2005 CBM 109 [Ftacnik,L]}) 14... Qc7 15. Nd4 (15. Kb1 $14) 15... O-O-O {[#]} (15... Nxd4 $11 16. Rxd4 b5) 16. f4 {White is much more active.} (16. Nxc6 $1 $16 Qxc6 17. Kb1) 16... Be7 (16... Nxd4 $11 17. Rxd4 d5 18. exd5 Bc5 19. dxe6 Bxd4 20. exd7+ Kb8) 17. f5 $14 {[%cal Rf5e6]} Kb8 {Black is now going downhill.} (17... Nxd4 $14 18. Rxd4 Kb8) 18. Nxc6+ $16 bxc6 (18... Qxc6 $16 19. e5 dxe5) 19. Qxa6 e5 (19... exf5 {was worth a try.} 20. Bxf5 Bxf5) 20. Qc4 $18 Rhf8 21. Bxf6 gxf6 22. Rg7 Bc8 23. h5 ({But not} 23. Rxf7 Rxf7 24. Qxf7 Rd7 $18) 23... Bb7 24. Rxf7 Rd7 25. Bg2 Rh8 26. Bf3 Bd8 27. Rxd7 Qxd7 28. Qb4 {To avoid Bb6} Be7 29. Qb3 Bf8 30. Na4 {[%cal Bc3a4,Ba4b6,Bb6c4][%mdl 32]} Qe7 31. Nb6 Rh7 32. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Qf7 33. Nc4 Qc7 34. a5 {aiming for a6.} Ka7 35. Qb6+ Kb8 36. Rg1 {Strongly threatening Rg8.} Rg7 {To avoid Rg8} (36... Bh6+ 37. Kb1 Bg5 38. Nxd6 Qxb6 39. axb6 c5) 37. Rg6 {White is clearly winning.} Rxg6 38. fxg6 Kc8 39. Bg4+ Kd8 {[#]} 40. Nxd6 $1 {[%mdl 512] Weighted Error Value: White=0.12 (very precise) /Black=0.40} 1-0

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.31"]
[Round "7.8"]
[White "Mammadzada, Gunay"]
[Black "Csonka, Balazs"]
[Result "0-1"]
[ECO "C96"]
[WhiteElo "2470"]
[BlackElo "2480"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,82,12,26,7,18,14,18,10,10,16,13,12,13,0,0,0,0,0,0,-26,-41,-31,-46,-76,-82,-74,-76,-76,-50,-106,-40,-143,-145,-160,-148,-151,-139,-145,-76,-322,-304,-347,-337,-420,-450,-682,-655,-716,-710,-689,-659,-870,-810,-952,-977,-29981,-29982]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 {[%cal Bf1b5,Bb5a4,Ba4b3][%mdl 32]} a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. h3 d6 9. c3 {[%cal Bc2c3,Bc3d4,Bd4d5][%mdl 32]} Na5 10. Bc2 c5 11. d4 Nd7 12. Nbd2 exd4 13. cxd4 Nc6 14. d5 Nce5 15. Nxe5 {C96: Closed Ruy Lopez: Chigorin Defence: 11 d4, replies other than 11...Qc7.} Nxe5 16. a4 Rb8 17. axb5 {The position is equal.} axb5 18. f4 Ng6 19. Nf3 {[%cal Ob2b4]} Bh4 20. Rf1 Bg3 21. f5 Ne5 22. Ng5 Nd7 {[#] is the legacy move (22...h6).} 23. Nf3 $146 ({Predecessor:} 23. Nxh7 Kxh7 24. f6 g6 25. Qg4 Nxf6 26. Qxg3 Nh5 27. Qe3 Kg8 28. Qh6 Qe8 29. Bg5 {1-0 (46) Grigoriants,S (2557)-Romanov,E (2631) Voronezh 2012}) 23... Re8 24. b4 Nf6 25. Bg5 {[#]} h6 $1 26. Bxf6 Qxf6 27. Qd2 {To avoid Qc3} Rb7 28. Rab1 {[#]} (28. Ra6 $15) 28... c4 {Black is more active.} ({Black should try} 28... Bd7 $1 $17 {Strongly threatening ...Ra7.} 29. Nh2 Ra7) 29. Nd4 (29. Ra1 $15) 29... Bd7 $17 30. Ra1 {Prevents Ra7.} Be5 31. Rfd1 Qd8 32. Ra6 Qc7 (32... Rb6 $142 33. Ra5 Rb8) 33. Nc6 $2 {Now White is beyond hope.} (33. Rda1 $17) 33... Bxc6 $19 34. Rxc6 Qe7 35. Bb1 Ra8 {[%cal Be8a8,Ba8a4,Ba4a2][%mdl 32]} 36. Rf1 (36. Qe2 $142) 36... Qh4 {Hoping for ...Qg3.} 37. Qf2 Qxf2+ 38. Kxf2 Ra4 {And now ...Rba7 would win.} 39. Kf3 Rba7 40. Rc8+ Kh7 41. Bc2 Ra2 {Weighted Error Value: White=0.81/Black=0.07 (flawless)} 0-1

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.31"]
[Round "7.9"]
[White "Sukandar, Irine Kharisma"]
[Black "Gallagher, Joseph G."]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "2407"]
[BlackElo "2447"]
[Annotator "TA"]
[PlyCount "160"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,159,0,20,0,0,-19,-16,-20,-27,-41,-39,-32,-7,-45,-44,-57,-28,-60,-19,-33,-31,-54,-40,-48,-23,-57,-7,-43,-47,-41,-35,-29,-7,-13,17,-7,0,-15,-15,-14,-9,-36,-41,-101,-95,-100,-116,-122,0,0,0,0,0,0,0,0,0,0,6,0,0,-110,-121,-168,-177,-387,-373,-547,0,-4,71,64,89,103,87,93,97,94,84,50,94,43,37,39,60,47,54,57,64,52,54,56,60,39,43,24,32,24,43,42,47,50,57,56,56,57,68,20,20,16,19,15,15,15,15,15,15,15,20,16,16,16,16,15,16,15,16,16,16,16,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Nf3 a6 5. Bd3 g6 6. Rb1 {B23: Closed Sicilian: Lines without g3.} Nc6 {[#]} 7. b3 $146 ({Predecessor:} 7. a3 d6 8. b4 Nf6 9. bxc5 dxc5 10. Bb2 b5 11. e5 Nd5 12. Nxd5 Qxd5 13. Ng5 {1-0 (35) Guseinov,G (2660)-Ivic,V (2525) Batumi 2019}) 7... Bg7 8. Bb2 d6 9. h3 e6 10. O-O Nge7 11. Re1 {[%cal Oc3d5]} (11. Nd5 $5 {[%cal Rb2g7]} Bxb2 12. Nxe7 Qxe7 13. Rxb2 $11) 11... O-O 12. Bf1 h6 13. d3 Kh7 (13... e5 $15) 14. Qd2 b5 15. g3 Bb7 16. Bg2 Qd7 17. a4 Nd4 (17... b4 $15 18. Nd1 e5) 18. axb5 Nxf3+ 19. Bxf3 axb5 20. Bg2 {[%cal Ob3b4]} Bc6 21. b4 Rfc8 22. bxc5 dxc5 23. Qf4 Kg8 24. h4 e5 25. Qe3 b4 26. Ne2 (26. Nd1 $15) 26... Ba4 $17 27. Rec1 c4 28. dxc4 {[#]} Rxc4 (28... Nc6 $1 $17 {Strongly threatening ...Na5.} 29. Kh2 Rd8) 29. c3 $1 $11 b3 30. Rd1 Qa7 31. Rd8+ Kh7 {...Qxe3 is the strong threat.} 32. Rxa8 Qxa8 33. Nc1 h5 34. Ba3 Nc6 ({Resist} 34... Bh6 35. Qf3 Be8 36. Bxe7 $16) 35. Bf1 (35. Qd3 $11 Bb5 36. Rxb3) 35... Na5 $17 36. Bb4 (36. Nxb3 $17 Rxe4 37. Bg2 Rxe3 38. Bxa8 Rxc3 39. Nxa5 Rxa3 40. Nc4) 36... Rxe4 $19 37. Qd3 (37. Qf3 {was the only chance.} Nc4 38. Nxb3 (38. Bxc4 {gets mated.} Re1+ 39. Bf1 Qxf3 40. g4 Bc6 41. Kh2 Rxf1 42. gxh5 Rh1#) 38... Bxb3 39. Qd3 (39. Rxb3 $2 Nd2 $19)) 37... Re1 {White must now prevent ...e4.} 38. c4 {[#]} (38. Bxa5 $142 b2 39. Nb3 Bxb3 40. Rxe1 Qxa5 41. Qe3) 38... Rxf1+ $2 39. Qxf1 $11 Qe4 40. Qd3 $36 {[%mdl 2048] White has good play.} Bc6 {[%csl Gc6][%cal Re4h1]} 41. Qxe4 Bxe4 {A strong pair of Bishops.} 42. Rb2 Nxc4 43. Rxb3 Bh6 44. Ne2 Nd2 (44... g5 $14) 45. Ra3 ({Better is} 45. Bxd2 $16 Bxd2 46. Rb5) 45... Nf3+ $14 46. Kf1 g5 47. hxg5 Bxg5 48. Ng1 Nd4 49. Bc5 Ne6 50. Be3 {Threatens to win with Bxg5.} Bd8 51. f3 Bd5 52. Kf2 Kg6 53. Ne2 Bc4 54. Ra4 Bb5 55. Re4 f6 56. Nc3 Bd3 57. Ra4 f5 {[%cal Oh5h4]} 58. Nd5 (58. Kg2 $14 {is more appropriate.}) 58... h4 $11 {The position is equal.} 59. gxh4 {And now Bb6 would win.} f4 60. Ba7 Bxh4+ 61. Kg2 Ng5 62. Bf2 Bxf2 63. Kxf2 {[%mdl 4096] Endgame KRN-KBN} Kf5 64. Ra5 Nh3+ 65. Kg2 Ng5 66. Nc3 Bc4 67. Rc5 Bf7 68. Nb1 Bh5 69. Nd2 Ke6 70. Kf2 Bxf3 71. Rxe5+ {[%mdl 64] Decoy} Kxe5 72. Nxf3+ Kf5 73. Nxg5 Kxg5 {KP-K} 74. Kf3 Kf5 {[%cal Bg5f5,Bf5e4,Be4f4,Bf4e3,Be3f3][%mdl 32]} 75. Kf2 Ke4 76. Ke2 f3+ {[%cal Bf4f3,Bf3f2][%mdl 32]} 77. Kf2 Kf4 78. Kf1 Ke3 {( -> ...f2)} 79. Ke1 f2+ 80. Kf1 Kf3 {Weighted Error Value: White=0.21 (precise) /Black=0.23 (precise)} 1/2-1/2

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.01.31"]
[Round "7.10"]
[White "Efroimski, Marsel"]
[Black "Haria, Ravi"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "2429"]
[BlackElo "2490"]
[Annotator "TA"]
[PlyCount "130"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,130,18,11,12,20,25,12,25,0,0,2,8,0,0,-24,0,0,53,45,50,58,49,45,77,89,125,74,152,122,135,116,347,155,184,170,185,138,151,0,0,0,0,0,0,0,39,20,250,243,435,246,551,0,0,0,165,0,0,0,138,0,0,0,65,0,0,0,0,0,0,-39,-50,-154,-167,-162,-170,-173,-158,-171,-177,-253,-237,-225,-235,-191,-77,-77,-74,-440,-224,-192,-194,-316,-308,-310,-317,-314,-300,-310,-310,-308,-288,-289,-302,-310,-302,-287,-250,-29956,-29958,-29951,-12129,-2633,-10477,-8911,-5273,-29973,-29966]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 h6 6. O-O d6 7. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} Bb6 8. a4 {8.Nbd2 gains popularity.} a5 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} 9. b5 Ne7 10. Nbd2 O-O {The position is equal.} 11. Bb3 Ng6 12. Nc4 Bc5 13. h3 {[#]} Re8 $146 ({Predecessor:} 13... c6 14. Qe2 Be6 15. Rd1 cxb5 16. axb5 a4 17. Ba2 Qc7 18. Ne3 Bb3 19. Bxb3 axb3 {½-½ (33) Khanin,S (2507)-Palachev,P (2405) Kazan 2018}) 14. Bd2 Be6 15. Re1 Nh5 (15... Qc8 $11) 16. d4 $14 exd4 17. cxd4 Bb4 18. Bxb4 axb4 19. d5 Bc8 20. e5 {[%cal Ob5b6]} dxe5 (20... Nhf4 $142) 21. Nfxe5 Nxe5 22. Nxe5 Qg5 {[#]} (22... Nf6 $16) 23. Nf3 (23. Nxf7 $1 $18 {[%mdl 512]} Kxf7 (23... Rxe1+ 24. Qxe1) 24. d6+ Kf8 25. dxc7 Rxe1+ 26. Qxe1) 23... Rxe1+ $16 24. Qxe1 Qg6 25. Ne5 (25. Nh4 $18 Qd6 26. Qe8+ Qf8 27. Qe5 (27. Re1 Nf6 $14)) 25... Qd6 {[%cal Oc8h3]} 26. Nd3 $2 (26. Nc4 $16 Qg6 27. Qe8+ Kh7 28. Qe3) 26... Bxh3 $1 $11 27. Qe5 Qg6 {[%csl Gh3,LRd3,LRg2][%cal Rg6g2]} 28. Ne1 Bf5 {Prevents Bc2.} 29. Rc1 $36 {[%mdl 2048] White is pushing.} Nf6 30. Rxc7 Ng4 $2 (30... Re8 $11 {and Black stays safe.} 31. Re7 Rxe7 32. Qxe7 Qg5) 31. Qe7 $1 $18 (31. Qf4 Re8 32. Rc1 Re2 33. Qb8+ Kh7 $17) 31... Rf8 $2 (31... Qf6 32. Rxb7 Be4) 32. d6 (32. a5 $142) 32... Nf6 $2 (32... Qf6 {is more resistant.}) 33. Nf3 $2 (33. a5 $18) 33... Bh3 $1 $11 {[%csl Gh3][%cal Rg6g2] Dancing on a razor blade.} 34. Ne1 Bd7 $2 35. Bc2 (35. Rxd7 Nxd7 36. Qxd7 Qb1 37. Bxf7+ Rxf7 38. Qe8+ Rf8 $17) (35. Rxb7 Qb1 36. Rxd7 Nxd7 $11) 35... Qg4 36. Bb3 $1 (36. Rxb7 $2 Re8 37. Qxe8+ (37. Rxd7 $2 Qxd7 38. Qxd7 Rxe1+ 39. Kh2 Nxd7 $19) 37... Bxe8 $19) 36... Qg6 {[#]} 37. Bc2 (37. Rxd7 Nxd7 38. Qxd7 Qb1 39. Bxf7+ Rxf7 40. Qe8+ Rf8 $17) (37. Rxb7 $6 Qb1 38. Rxd7 Nxd7 $11) (37. Bc4 $1 $16) 37... Qg4 {...Re8 is the strong threat.} 38. Bb3 $1 ({But not} 38. Rxb7 $2 Re8 39. Qxe8+ (39. Rxd7 $2 Qxd7 40. Qxd7 Rxe1+ 41. Kh2 Nxd7 $19) 39... Bxe8 $19) 38... Qf5 (38... Qg6 $11) 39. Bc2 ({Much worse is} 39. Rxb7 Qb1 40. Rxd7 Nxd7 $11) ({Better is} 39. Qe2 $1 $14) 39... Qd5 {aiming for ...Re8.} 40. Rxd7 Nxd7 41. Qxd7 b3 {[%cal Bb4b3,Bb3b2][%mdl 32]} 42. Bd3 b2 $1 {[%cal Od5d3] White must now prevent ...Qxd3!} 43. Qf5 ({White should play} 43. Qc7 $15) 43... Qxf5 $17 44. Bxf5 Rd8 45. Kf1 Rxd6 {Strongly threatening ...Rd2.} 46. Ke2 {Prevents Rd2+.} Rd4 {[%mdl 1024] Black has strong compensation.} 47. Nf3 {[#]} (47. Bb1 $142) 47... g6 $1 {[%mdl 512]} 48. Bb1 (48. Nxd4 $2 {too greedy.} gxf5 49. Nxf5 b1=Q $19) 48... Rxa4 49. Kd3 Kg7 (49... Rf4 $19 {has better winning chances. Threatens to win with ...h5.} 50. Kc2 h5) 50. Kc3 Rf4 51. Kd2 $2 {[%mdl 8192]} (51. Kxb2 $17 {is a better chance.} Rb4+ 52. Kc2) 51... Rb4 (51... g5 $142 52. Ke3 Rg4) 52. Kc3 Rxb5 53. Nd4 (53. Ne1 $142) 53... Rb6 $19 54. Nb3 Re6 {Hoping for ...Re2.} 55. Nd4 {Prevents Re2.} Re1 56. Kxb2 Rf1 57. Be4 Rxf2+ 58. Kc3 b6 59. Bf3 Kf6 60. Ne2 Ke5 61. Nc1 $2 {[#]} (61. Kd2 $19) 61... Rxf3+ $1 {[%mdl 512]} 62. gxf3 Kf4 63. Nd3+ Kxf3 {( -> ...h5)} 64. Ne5+ Kg3 65. Nxf7 h5 {A wild game.  Weighted Error Value: White=0.72/Black=0.40} 0-1

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.02.01"]
[Round "8.1"]
[White "Aziz, Husain"]
[Black "Muzychuk, Mariya"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "2357"]
[BlackElo "2539"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,96,22,16,17,21,27,18,18,31,16,0,16,10,0,0,6,12,10,0,0,0,0,0,0,-28,-14,-28,-31,-21,-22,-66,-66,-74,-85,-64,-75,-62,-62,-113,-77,-81,-85,-113,-119,-240,-263,-166,-240,-256,-50,-75,0,-265,-263,-229,-209,-176,0,0,0,0,0,0,0,0,0,-4,-4,-116,-115,-387,-337,-1014,-946,-1338,-1333,-1312,-1276,-1078,-1000,-1042,-976,-766,-620]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. h3 e5 7. dxe5 Nxe5 8. Nf3 Nxd3+ {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack.} 9. Qxd3 Bd6 {now supersedes 9...Be7.} 10. O-O O-O {The position is equal.} 11. Bg5 h6 12. Bh4 g5 13. Bg3 Bxg3 14. fxg3 g4 15. hxg4 Nxg4 16. Nd4 {[#]} Qb6 $146 ({Predecessor:} 16... Qg5 17. Nd2 Bd7 18. N2f3 Qe3+ 19. Qxe3 Nxe3 20. Rf2 Rfe8 21. Re1 Nc4 22. b3 Rxe1+ 23. Nxe1 {0-1 (36) Alekseev,E (2626)-Harika,D (2515) Chess.com INT 2020}) 17. Na3 Bd7 18. Nac2 Rae8 (18... Qxb2 $2 19. Rfb1 Ne5 20. Qd2 $18 (20. Rxb2 Nxd3 21. Rxb7 Nc5 $11)) 19. b3 Re4 20. Rf4 Qg6 21. Raf1 Rfe8 {[%cal Bf8e8,Be8c8,Bc8c3][%mdl 32]} 22. Nf3 (22. Nb4 $11) 22... Rxf4 $15 {Black is more active.} 23. Qxg6+ fxg6 {[%cal Bf7g6,Bg6f5,Bf5g4][%mdl 32]} 24. gxf4 Rc8 $1 25. Ncd4 Rxc3 26. Ne5 (26. Re1 $15) 26... Bf5 (26... Nxe5 {is more complex.} 27. fxe5 Rd3 28. e6 Be8 29. e7 Rxd4 30. Rf8+ Kg7) 27. Nxf5 gxf5 28. Nxg4 fxg4 $17 {[%mdl 4096] Endgame KR-KR} 29. Kh2 (29. Rd1 $17) 29... Kf7 $19 30. Rd1 Ke6 31. Re1+ Kf6 $2 (31... Kf5 $19 32. Re5+ Kxf4 33. Rxd5 Rc2) 32. Rd1 $15 {[#]} Ke6 $2 (32... Kf5 $1 $17 {[%cal Rf5e4]} 33. Rxd5+ Kxf4) 33. Re1+ $19 Kf5 34. Re5+ Kxf4 35. Rxd5 Rc1 $2 (35... a6 $19 {[%cal Oh6h5] Strongly threatening ...h5!} 36. Rd7 Kg5) 36. Rd4+ $11 Kg5 {White must now prevent ...Rc3.} 37. Rd5+ $1 Kf4 38. Rd4+ Kf5 39. Kg3 Rc2 40. Rf4+ Ke5 {[%cal Oc2g2] ( -> ...Rxg2+!)} 41. Rxg4 (41. Rf7 $11 {keeps the balance.}) 41... Rxa2 $17 42. Rg7 $2 {[%mdl 8192] [#]} (42. b4 $17 {was called for.}) 42... b5 $1 $19 43. Kh4 $2 (43. Rb7 a6 44. Rb6) 43... Kd4 {...Kc3 is the strong threat. Black is clearly winning.} 44. Kh5 Kc3 45. Rg3+ Kb4 46. Kxh6 a5 {[%cal Ba7a5,Ba5a4][%mdl 32] Threatens to win with ...Ra3.} 47. Kh5 Ra3 48. Rf3 a4 {Weighted Error Value: White=0.43/Black=0.20 (precise)} ({And not} 48... Rxb3 49. Rxb3+ Kxb3 50. g4 $17) 0-1

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.02.01"]
[Round "8.2"]
[White "Krysa, Leandro"]
[Black "Stefanova, Antoaneta"]
[Result "0-1"]
[ECO "E04"]
[WhiteElo "2516"]
[BlackElo "2469"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,58,0,0,0,0,0,-14,-2,-7,0,0,0,0,0,0,135,133,122,130,120,12,29,9,6,6,7,0,0,-313,-301,-299,-234,-332,-346,-397,-393,-392,-388,-468,-468,-755,-754,-780,-773,-813,-812,-812,-797]} 1. d4 d5 {[%cal Bd7d5,Bd5c4][%mdl 32]} 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. g3 dxc4 6. Bg2 b5 7. Ne5 {[%cal Oc3b5] 7.Ne5 scores better than 7.0-0.} a6 {E04: Open Catalan: 5 Nf3.} 8. O-O Bb7 9. b3 cxb3 {The position is equal.} 10. Qxb3 Qxd4 11. Bf4 {Rad1 is the strong threat.} Qb4 12. Qc2 $1 Qc5 13. Rac1 {[#]} Nbd7 $146 (13... Be7 $1 $11) ({Predecessor:} 13... Be7 14. Nd3 Qb6 15. Na4 Qd8 16. Nac5 Bc8 17. Bxb8 Rxb8 18. Ne5 Qc7 19. Nxc6 Rb6 20. Nxe7 Kxe7 {1-0 (66) Petrov,N (2542)-Nesterov,A (2512) Khanty-Mansiysk 2021}) 14. Nxd7 $16 Nxd7 15. Rfd1 $1 {[%cal Od1d7]} Rd8 16. Bc7 (16. Qd2 $1 $16 e5 17. Bg5) 16... Rc8 $11 17. Ba5 {And now Qd2 would win.} ({Avoid the trap} 17. Rxd7 $2 Kxd7 18. Ba5 Ke8 $17) 17... Nf6 {Threatens to win with ...b4.} 18. Qd2 {Black must now prevent Ne4.} Qa7 {[#]} (18... b4 $2 19. Ne4 Qe7 20. Nxf6+ gxf6 21. Bxb4 $1 $18 {[%mdl 512]}) 19. Nxb5 axb5 20. Rxc6 {[%mdl 8192] [#]} Be7 $1 $19 21. Rxc8+ Bxc8 22. Bc6+ (22. Rc1 $142 Bd7 23. Rc7) 22... Bd7 23. Bb6 Qxb6 24. Bxd7+ Kf8 25. Rb1 Qd8 {Black is clearly winning.} 26. Rxb5 (26. Rd1 $142 b4 27. Ba4 Qxd2 28. Rxd2) 26... Nxd7 27. a4 f6 28. a5 Kf7 29. a6 Nc5 {Weighted Error Value: White=0.51/Black=0.08 (flawless)} 0-1

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.02.01"]
[Round "8.3"]
[White "Rosen, Eric"]
[Black "Mammadzada, Gunay"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2356"]
[BlackElo "2470"]
[Annotator "TA"]
[PlyCount "145"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,145,0,0,0,-1,0,0,45,27,45,0,33,0,0,-24,-17,-12,-14,-17,-22,-52,20,-90,-43,-118,-131,-108,-104,-116,-104,-127,-115,-102,-107,-85,-32,-141,0,0,0,0,0,-20,100,0,0,-23,-30,-26,0,-67,0,-61,-52,-46,-50,-76,-23,-18,-27,-22,77,84,83,87,225,218,191,166,258,255,211,221,239,256,249,183,229,185,177,224,189,191,385,349,470,465,387,397,623,552,464,363,1288,1286,1246,1245,1005,870,583,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Nf3 Bd6 5. Ne5 O-O 6. Nd2 b6 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} 7. h4 $1 {[%mdl 4] is recently more successful than 7.Bd3.} Bb7 8. Qf3 Nc6 (8... c5 $11 {feels stronger.}) 9. h5 h6 {[#]} 10. c3 $146 {Inhibits Nb4.} (10. O-O-O $14) ({Predecessor:} 10. Qg3 Kh8 11. Nxc6 Bxc6 12. Bxd6 cxd6 13. c3 Qe7 14. Be2 b5 15. O-O a5 16. a3 {0-1 (67) Tabatabaei,M (2555)-Caruana,F (2765) Riga 2021}) 10... Kh8 11. Bd3 Bxe5 12. dxe5 Nd7 13. Qg3 Nc5 14. Bc2 Ba6 15. O-O-O Bd3 {To avoid e4} ({Black should play} 15... Be2 $1 $15) 16. Qh2 (16. Bxd3 $1 $11 Nxd3+ 17. Kb1) 16... f6 (16... Bxc2 $17 17. Kxc2 Qc8) 17. Nf3 (17. f3 $1 $15) 17... Bxc2 $17 18. Kxc2 fxe5 $1 19. Bxe5 Nxe5 20. Qxe5 {[%cal Oe3e4]} Rf5 $1 21. Qh2 Ne4 22. Rhf1 c5 {To avoid Nd4} (22... Qd7 $17) 23. Ne5 (23. Nh4 $1 $15 Nxf2 24. Nxf5 Nxd1 25. Rxd1 (25. Kxd1 exf5 26. Qe5 d4 $11) 25... exf5 26. Qe5) 23... Qe8 (23... Rxf2+ $2 24. Rxf2 Kg8 25. Rf3 $18) (23... Nxf2 $17 {aiming for ...Qe8.} 24. Rd2 Qf6) 24. g4 $11 Qa4+ 25. Kc1 Rf6 26. f3 {[#]} Ng5 (26... Qxa2 $1 $11 {remains equal.} 27. Kc2 (27. fxe4 $2 Rxf1 28. Ng6+ Kh7 $19) 27... Qa4+ 28. Kb1 Ng5) 27. f4 (27. a3 $16) 27... Qxa2 28. Kc2 ({But not} 28. fxg5 $2 Rxf1 29. Rxf1 Qa1+ 30. Kc2 Qxf1 $19) (28. Qg1 $5 {[%cal Rf4g5]} Qa1+ 29. Kc2 Qa4+ 30. Kb1 $15) 28... Qa4+ (28... Ne4 $2 29. Ra1 Qxa1 30. Rxa1 $18) (28... c4 $2 29. fxg5 (29. Ra1 Qb3+ 30. Kc1 Qb5 $17) 29... Qa4+ 30. Kb1 hxg5 31. h6 gxh6 32. Rc1 $18) 29. Kb1 Ne4 (29... Nf7 $5 {[%cal Rf7e5]} 30. Nxf7+ Rxf7 $15) 30. Rg1 (30. g5 $11 hxg5 31. h6) 30... Qb3 (30... b5 $15) 31. Qc2 (31. Rc1 $11) 31... Qxc2+ $1 $15 32. Kxc2 c4 33. Ra1 Nc5 ({Better is} 33... a5 $17) 34. g5 $11 hxg5 35. Rxg5 Rf5 (35... Ne4 $11 36. Rg2 a5) 36. Rxf5 $16 {White is more active.} exf5 {[%mdl 4096] Endgame KRN-KRN} 37. Rd1 Nd3 (37... Ne4 $16 {was worth a try.}) 38. Nxd3 $18 cxd3+ 39. Rxd3 {KR-KR} Rd8 {[#]} 40. c4 $1 Rc8 41. Rxd5 Rxc4+ 42. Kd3 Rb4 43. Rxf5 {Black must now prevent e4.} Rb3+ 44. Kd4 {Threatens to win with e4.} Kg8 45. Rg5 {And now h6 would win.} Kf7 46. Rg2 Rb5 $2 (46... Rb4+ 47. Kc3 a5) 47. Rh2 Ke7 48. h6 gxh6 49. Rxh6 Rxb2 (49... Rb4+ $142 50. Kc3 a5) 50. Rh7+ Kd6 51. Rxa7 Rf2 $2 (51... Rb4+ 52. Kc3 Rb1) 52. Rh7 Rd2+ 53. Ke4 b5 54. Rb7 Rb2 55. f5 $2 ({White has to play} 55. Kf5 $18 Kc6 56. Rb8) 55... Rb4+ $11 {The position is equal.} 56. Kf3 Ke5 57. e4 Rb3+ 58. Kg4 Kxe4 59. f6 Rb1 60. Kg5 {f7 is the strong threat.} (60. f7 {feels hotter.} Rf1 61. Kg5 Kd4 62. Kg6 Kc5 63. Re7) 60... Kd4 61. Rh7 Rg1+ 62. Kf5 {Rh4+ would kill now.} Rf1+ 63. Ke6 b4 64. Rh4+ Kc3 65. Rh3+ Kc2 66. Rh2+ Kc3 67. Rh3+ Kc2 68. f7 b3 69. Rh2+ Kc3 70. Rh3+ Kc2 71. Rh2+ Kc3 72. Rh3+ Kc2 73. Rh2+ {White really could win this.  Weighted Error Value: White=0.29 (precise) /Black=0.28 (precise)} 1/2-1/2

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.02.01"]
[Round "8.4"]
[White "Bellahcene, Bilel"]
[Black "Girya, Olga"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2512"]
[BlackElo "2416"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,73,-24,13,0,41,52,45,49,47,51,50,49,65,55,62,63,45,45,57,43,43,43,43,43,43,42,127,126,139,133,140,125,148,136,216,212,231,228,234,233,324,258,307,242,422,415,418,439,418,404,661,646,1845,673,754,765,742,727,828,427,737,739,692,702,670,533]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. g4 {[%cal Bg2g4,Bg4g5][%mdl 32]} c5 6. dxc5 {D37: Queen's Gambit Declined: 5 Bf4.} O-O (6... Nbd7 $11 {should be considered.}) 7. g5 $14 Ne4 8. Nxe4 {White is slightly better.} ({Much weaker is} 8. cxd5 Nxc3 9. bxc3 exd5 $11) 8... dxe4 9. Qxd8 Rxd8 10. Nd2 Na6 11. Bg2 $1 {[#]} e3 $146 ({Predecessor:} 11... Nxc5 12. Nxe4 Nxe4 13. Bxe4 Bb4+ 14. Kf1 Rd4 15. Bd3 e5 16. f3 Be6 17. Be3 Rd7 18. Kg2 b6 19. a3 Bf8 20. Rac1 Rc8 21. a4 Bb4 22. b3 f5 23. h4 {½-½ (23) Brustkern,J (2266)-Feher,G (2347) Budapest 2010}) 12. Ne4 exf2+ 13. Kxf2 {aiming for Be3.} Nxc5 14. Nxc5 Bxc5+ 15. Be3 Bxe3+ 16. Kxe3 Rb8 17. Rhd1 {[%cal Rd1d8] [#]} Re8 {Black is now going downhill.} (17... Bd7 $14) 18. c5 $16 {White is more active.} e5 19. b4 Be6 20. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Kf8 21. a5 Bc4 (21... Re7 $16 22. h4 f5) 22. Rd6 $18 Bb5 23. Be4 Bc6 24. Rad1 (24. Bxh7 g6 $16) 24... Rec8 25. h4 {[%cal Bh2h4,Bh4h5][%mdl 32]} ({Weaker is} 25. Bxh7 g6 $16) 25... Ke7 26. h5 ({Not} 26. Bxh7 Rh8 $16) 26... Rc7 $2 (26... g6 27. Bxc6 bxc6 28. Rd7+ Ke6 29. Rxa7 Rf8 30. Rd6+ Kf5) 27. Bxh7 Rh8 28. g6 fxg6 29. Bxg6 {And now Rf1 would win.} Rf8 {To avoid Rf1} (29... Rd7 $142 30. Rxd7+ Bxd7) 30. Rg1 {White is clearly winning.} Rf4 31. Bd3 (31. Rg5 $142 Kf8 32. Rxe5 Re4+ 33. Bxe4 Bxe4 34. Kxe4) 31... Kf7 32. b5 Be8 33. Rd8 Ke7 34. Rd5 Ke6 {[#]} (34... Kf8 $142 35. Rxe5 Rf6) 35. Rxe5+ $3 {[%mdl 512]} Kxe5 36. Rg5+ Kf6 37. Kxf4 {Weighted Error Value: White=0.42/Black=0.41} 1-0

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.02.01"]
[Round "8.5"]
[White "Csonka, Balazs"]
[Black "Abdumalik, Zhansaya"]
[Result "1/2-1/2"]
[ECO "A34"]
[WhiteElo "2480"]
[BlackElo "2491"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,98,45,55,43,60,52,84,45,93,48,37,35,75,35,45,15,15,8,22,0,39,40,40,41,110,110,100,94,134,129,147,122,217,56,27,37,408,381,383,383,407,414,408,406,392,397,454,454,901,664,652,649,555,426,766,383,372,383,467,55,56,27,45,14,14,14,14,14,14,14,14,16,17,14,14,0,17,17,17,14,14,0,17,0,26,21,79]} 1. Nf3 Nf6 2. c4 c5 3. Nc3 b6 4. e4 d6 5. d4 cxd4 6. Nxd4 Bb7 7. Qe2 g6 8. g3 {[#] A34: Symmetrical English: 2 Nc3, lines with ...d5.} (8. e5 dxe5 9. Qxe5 Bg7 $15) 8... h5 $146 ({Predecessor:} 8... Bg7 9. Bg2 O-O 10. O-O Nbd7 11. Rd1 Rb8 12. Bg5 h6 13. Be3 a6 14. Rac1 Kh7 15. b4 Ba8 {1-0 (46) Sebenik,M (2498)-Milanovic,D (2455) Chess.com INT 2020}) 9. Bg2 h4 10. O-O {White is better.} Nbd7 (10... Bg7 $14 {should be considered.}) 11. Rd1 (11. Ndb5 $16 {[%cal Oe4e5] Strongly threatening e5!} hxg3 12. fxg3) 11... hxg3 $14 12. hxg3 Rc8 13. b3 a6 14. Bb2 e6 15. Rac1 Be7 $1 16. Rd2 Rc5 {[#]} 17. Nd5 $1 exd5 18. exd5 {[%cal Be4d5,Bd5c6][%mdl 32]} Ne5 {To avoid Nc6} (18... Qc8 $14) 19. b4 $1 $16 {[%cal Bb3b4,Bb4b5,Bb5b6][%mdl 32]} Rc7 20. Nc6 $1 Bxc6 21. dxc6 Qc8 {[#]} (21... Nfg4 $2 22. f4 f6 23. fxe5 Nxe5 24. c5 bxc5 25. bxc5 $18) 22. b5 Rh5 (22... Kf8 $16) 23. c5 $2 (23. f4 Neg4 $14) (23. a4 $18) 23... bxc5 $14 24. f4 $36 {[%mdl 2048] White has good play. Active counter play!} Neg4 {[%mdl 8192] [#]} (24... axb5 $1 $14 25. fxe5 dxe5) 25. b6 $1 $18 {b7 is the strong threat.} (25. Bxf6 axb5 26. Bh4 (26. Rxd6 $2 Nxf6 27. Rxf6 Kf8 $19) 26... Kf8 $14) 25... Rxc6 26. Re1 {[%csl Ge1][%cal Re2e7]} Ng8 27. b7 ({Don't blunder} 27. Bxc6+ $2 Qxc6 28. Qe4 (28. Qxg4 $2 Qh1+ 29. Kf2 Rh2+ 30. Ke3 Qxe1+ $19) 28... Qxe4 29. Rxe4 Kd7 $19) 27... Qxb7 {[#]} 28. Rxd6 {[%mdl 512] Really sharp!} Rxd6 29. Bxb7 {A strong pair of Bishops.} Re6 30. Qd1 {And now Rxe6 would win.} ({Not} 30. Qxg4 Rxe1+ 31. Kg2 Re6 $14) 30... N8h6 (30... Rxe1+ $142 31. Qxe1 Kf8) 31. Qa4+ Kf8 32. Rxe6 fxe6 33. Qd7 c4 {[#]} (33... Rh3 $142 34. Qxe6 Rxg3+ 35. Kf1 Ne3+ 36. Ke2 Nf7) 34. Bg7+ $1 {[%mdl 512]} Kf7 35. Bxh6 Nxh6 36. Bxa6 $2 ({White should play} 36. Bc8 $18 Kf8 37. Qxe6) 36... Rd5 $14 37. Qa4 c3 38. Bc4 Rd2 {[#]} 39. Bxe6+ $1 Kxe6 40. Qc6+ Rd6 41. Qxc3 Nf5 {Inhibits Qg7.} 42. a4 {[%mdl 1024] White has compensation.} Nd4 {aiming for ...Ne2+.} 43. Kg2 Kd7 44. Qc4 Ne6 45. Qb5+ Rc6 46. Qd5+ Rd6 47. Qb5+ Rc6 48. Qd5+ Bd6 49. Qd3 Nf8 {Black defended with fortune.  Weighted Error Value: White=0.45/Black=0.36} (49... Nc5 $11 {keeps the balance.} 50. Qb5 (50. Qxg6 Ra6 $14) 50... Kc7) 1/2-1/2

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.02.01"]
[Round "8.6"]
[White "Brunello, Sabino"]
[Black "Cramling, Pia"]
[Result "1-0"]
[ECO "E49"]
[WhiteElo "2492"]
[BlackElo "2452"]
[Annotator "TA"]
[PlyCount "121"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,121,0,0,-19,23,0,15,0,0,0,22,15,39,50,91,77,56,50,42,35,56,18,16,13,18,12,27,41,39,8,11,14,12,0,25,0,22,23,27,19,31,33,33,31,20,19,19,0,22,22,22,21,20,20,22,0,0,0,6,0,16,0,17,17,25,4,62,59,59,44,60,62,64,45,49,37,57,54,70,68,120,116,150,150,254,204,189,41,90,90,79,98,697,335,697,690,690,683,683,683,12840,12840,12841,12841,12841,12842]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nge2 dxc4 7. Bxc4 c5 8. a3 Bxc3+ 9. bxc3 $1 {9.bxc3 scores better than 9.Nxc3.} Nc6 (9... Qc7 $5 {[%cal Rc5d4]}) 10. Ng3 {E49: Nimzo-Indian: Rubinstein: 5 Bd3 d5 6 a3 Bxc3+ 7 bxc3.} b6 (10... Qa5 $142 11. Bd2 Qd8) 11. O-O Bb7 {[#]} 12. Ba2 $146 {The position is equal.} ({Predecessor:} 12. Bb2 e5 13. Ba2 cxd4 14. cxd4 exd4 15. exd4 Nd5 16. Qf3 Nce7 17. Rfe1 Qd7 18. Nh5 {½-½ (49) Dieu,B (2268)-Monroy,C (2408) France 2007}) 12... Rc8 13. Re1 Qd6 14. Bb2 cxd4 15. cxd4 {[%cal Od4d5]} Na5 (15... Rfd8 $14 {might be stronger.}) 16. e4 {[%cal Od4d5] Black must now prevent d5!} Nc4 17. Bxc4 Rxc4 18. d5 {And now Bxf6 would win.} Qf4 {[%cal Rf6e4]} (18... exd5 $2 19. e5 Qc5 20. exf6 $18) 19. dxe6 fxe6 {[%cal Rf6e4]} ({Much less strong is} 19... Nxe4 20. f3 (20. Nxe4 Rxe4 21. Qd7 Rxe6 $14) 20... Nxg3 21. e7 $16) 20. f3 Qc7 21. Rc1 Qc5+ 22. Kh1 Rxc1 23. Qxc1 (23. Bxc1 {is more complex.} Ba6 24. Bb2 Rf7 25. a4 Rd7 26. Qa1) 23... Qxc1 24. Rxc1 Rc8 25. Rd1 Rc7 26. Be5 Rd7 27. Rc1 Ba6 28. h4 Kf7 29. Kg1 Bb5 30. Nh1 Rd3 31. Rc7+ Rd7 32. Rc1 Rd3 33. Bc3 Nd7 34. Nf2 Rd6 35. Bb4 Rc6 36. Rd1 Rc2 37. Ng4 Ba4 {[%cal Oc2g2]} (37... h5 $5 {[%cal Rh5g4]} 38. Ne3 Rc8 $11) 38. Rd4 Bb5 39. Rd1 a5 40. Bd6 Rc3 41. Kf2 Rd3 (41... Ba4 $11 42. Rb1 b5) 42. Rxd3 $14 {White is more active.} Bxd3 {[%mdl 4096] Endgame KBN-KBN} 43. Bc7 Ke7 44. Ke3 Bf1 45. g3 (45. Nh2 $5 {[%cal Rh2f1]} Bc4 46. f4 $14) 45... a4 46. f4 Bb5 47. Kd4 Ba6 48. Nf2 h5 (48... Kf6 $14) 49. e5 $16 Bb7 50. Nh3 {Strongly threatening Ng5.} Bd5 (50... Ke8 $16 {was called for.} 51. Bd6 g6) 51. f5 Bb3 52. fxe6 ({White must play} 52. Bd6+ $18 Ke8 53. fxe6 Bxe6 54. Nf4) 52... Kxe6 (52... Nc5 $1 $14 53. Bxb6 Nxe6+ 54. Ke3 Kd7) 53. Nf4+ Kf5 54. Nxh5 g6 {[%mdl 8192] [#] A mistake that costs the game.} (54... g5 $16) 55. Ng7+ $18 Kg4 56. e6 {White is clearly winning.} Nf6 57. Bxb6 Kxg3 58. Bd8 Nh5 59. Nxh5+ gxh5 60. Ke5 Bc4 61. Bg5 {Weighted Error Value: White=0.12 (very precise) /Black=0.32} 1-0

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.02.01"]
[Round "8.7"]
[White "Cheng, Bobby"]
[Black "Sukandar, Irine Kharisma"]
[Result "1/2-1/2"]
[ECO "E06"]
[WhiteElo "2550"]
[BlackElo "2407"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,97,0,-8,0,12,0,-8,0,2,0,3,6,12,12,17,0,-26,0,-65,-14,0,34,-55,-39,-35,0,0,0,-90,-66,-71,-70,-87,-33,-80,-77,-70,-40,-103,-68,-62,0,-121,-48,-197,-181,-202,-189,-181,-89,-83,-66,-121,-27,-32,0,0,0,0,0,-49,-30,-91,143,138,133,0,0,0,0,0,0,0,0,0,0,0,0,0,-12,-118,-120,-121,-123,-119,-95,-106]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. Nc3 dxc4 7. Ne5 Qd6 {E06: Closed Catalan: Early deviations.} 8. O-O {Nowadays more popular than 8.Nxc4.} Qa6 9. a4 Bd7 {[#] Prevents Nb5. The position is equal.} 10. Bf4 $146 ({Predecessor:} 10. Bg5 Rd8 11. e3 Bc6 12. e4 Be8 13. Ng4 Nc6 14. Bxf6 Bxf6 15. Nxf6+ gxf6 16. Qg4+ {1-0 (25) Shimanov,A (2613)-Jacobson,A (2318) Chess.com INT 2019}) 10... Rd8 11. b3 cxb3 12. Qxb3 Nc6 13. Rfd1 {[%mdl 1024] White has compensation.} Be8 14. Nb5 Rac8 (14... Na5 $5 {[%cal Ra5b3]} 15. Qa2 Rac8 $11) 15. e4 (15. Nc4 $11) 15... Na5 ({Black should try} 15... Nxe5 $15 16. Bxe5 Qa5) 16. Qa2 $11 c6 {[#]} 17. Nc3 (17. Nc7 $1 $14 Rxc7 18. Nxf7) 17... b6 $1 $15 18. Rac1 Bb4 19. Bg5 $1 Be7 20. h4 (20. Bf4 $1 $11 {keeps the balance.}) 20... h6 $17 21. Bf4 Bb4 22. g4 Nd7 (22... Qb7 $17) 23. Nd3 (23. Nxd7 $1 $15 {is more appropriate.} Rxd7 24. Qb2) 23... Be7 24. g5 hxg5 25. hxg5 (25. Bxg5 $15 Bxg5 26. hxg5) 25... Qc4 26. Qe2 Ba3 (26... Qxd4 $15 27. Be3 Qc4) 27. Rc2 (27. Nd5 $1 $11 Qxa4 28. Nc3 Qxd4 29. Rc2) 27... Qxd4 (27... Nb3 $17 28. Nb2 Qxe2 29. Nxe2 Na5) 28. g6 ({White should play} 28. Bf1 $1 $15) 28... Qf6 $1 $19 (28... fxg6 29. Bg5 $11 (29. Ne5 Qc5 $17)) 29. gxf7+ Bxf7 30. e5 Qg6 (30... Qf5 $19 {is more deadly. Threatens to win with ...Bh5.} 31. Ne4 Bh5) 31. Ne4 $17 Be7 {To avoid Bg5} 32. Rc3 ({Better is} 32. Nd6 $1 $15) 32... Nf8 (32... c5 $17 {aiming for ...c4.} 33. Nd6 Bxd6 34. exd6 Nc6) 33. Nd6 $11 Rc7 34. Ne1 Qh5 35. Bf3 Qg6+ 36. Ng2 (36. Bg2 $11 {might be stronger.}) 36... c5 $15 {[%cal Oc5c4]} 37. Rdd3 (37. Be4 $11 Qh5 38. Bf3) 37... Nc6 $2 {[#]} (37... c4 $17 {and life is bright.} 38. Be4 Qh5) 38. Be4 $16 Qh5 {[#]} 39. Bf3 {White is much more active. Black has bad knights.} ({White must play} 39. Qe1 $1 $16 {Strongly threatening Rh3.} Nxe5 40. Bxe5 (40. Rh3 Qxh3 41. Rxh3 Bxd6 $15)) 39... Qg6 40. Qe1 {Be4 is the strong threat.} Nb4 41. Be4 Nxd3 42. Bxg6 {Chess con chili.} Bxg6 ({Don't play} 42... Nxe1 43. Bxf7+ Kh8 44. Rh3+ Nh7 45. Bg6 $16 (45. Bxe6 g5 $11)) 43. Qe2 Nxf4 44. Nxf4 Bxd6 45. exd6 Rxd6 46. Rg3 (46. Nxg6 $11 {remains equal.} Nxg6 47. Rf3) 46... Bf5 $17 {Black is better.} 47. Qe5 Rd1+ 48. Kh2 Rf7 49. Nh5 {Weighted Error Value: White=0.31/Black=0.25 (precise)} 1/2-1/2

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.02.01"]
[Round "8.8"]
[White "Haria, Ravi"]
[Black "Houska, Jovanka"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2490"]
[BlackElo "2365"]
[Annotator "TA"]
[PlyCount "111"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,111,19,11,4,15,17,26,15,31,29,25,27,22,0,0,0,12,8,19,16,35,32,22,27,18,18,40,14,22,16,21,19,18,-8,-10,-8,-8,-25,-27,-31,14,-20,-28,-15,61,57,67,28,85,65,65,68,60,59,64,50,37,52,64,44,60,6,46,0,4,0,0,0,2,9,10,0,0,0,0,0,0,0,33,27,31,0,0,0,0,0,0,0,0,0,1525,1461,5988,5600,5036,4902,2548,2070,2768,2213,6221,5821,1830,1595]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nd2 e6 5. Nb3 a6 6. Nf3 {B12: Caro-Kann: Advance Variation.} c5 7. Nxc5 Bxc5 8. dxc5 {White has an edge.} Qa5+ 9. c3 Qxc5 10. Be2 Nd7 11. O-O Ne7 12. Bf4 {[#]} Qc7 $146 ({Predecessor:} 12... O-O 13. Rc1 Nc6 14. Re1 h6 15. h3 Rac8 16. Qd2 Rfd8 17. Nd4 Ndxe5 18. Nxf5 exf5 19. Bxe5 Nxe5 20. Bxa6 {½-½ (58) Ortiz Suarez,I (2545)-Vazquez,G (2527) Tornelo INT 2021}) 13. Re1 O-O 14. Nd4 Bg6 15. h4 h6 16. h5 Bh7 17. Bf1 Nc6 18. Re3 Kh8 ({Resist} 18... Ncxe5 19. Qe2 $16) 19. Qd2 Nc5 ({Don't do} 19... Ncxe5 20. Qe2 $16) 20. Rae1 Qe7 21. b4 Ne4 22. Nxc6 bxc6 23. Qe2 a5 24. f3 {[#]} Ng5 (24... Qh4 $1 $15 {should be considered.} 25. Bh2 Ng5) 25. Qb2 Rfb8 {[%cal Ra5b4]} 26. a3 g6 (26... axb4 $11 27. cxb4 c5) 27. hxg6 $1 $14 Bxg6 28. Qf2 Kg7 (28... axb4 $11 {remains equal.} 29. axb4 Ra4) 29. R3e2 axb4 30. axb4 Bd3 31. Rd2 Bxf1 32. Rxf1 Ra3 33. Rc2 Rba8 34. Be3 {[%cal Ob4b5]} Ra1 35. Bd4 ({White should play} 35. Qd2 $14) 35... Kh7 36. Re2 (36. Kh2 $14 {is superior.}) 36... Qe8 37. Ree1 R1a2 {To avoid Qc2+} 38. Re2 Ra1 39. Rxa1 Rxa1+ 40. Kh2 {[%cal Bg1h2,Bh2g3,Bg3f2,Bf2e3][%mdl 32]} f5 41. Qh4 {To avoid Qh5} Ra4 42. Kg3 Qg6 43. Kf2 Qe8 44. Be3 Qe7 {[%cal Og5e4] [#] aiming for ...Ne4+!} 45. Bxg5 (45. Qh5 {with more complications.} Qf7 46. Qxf7+ Nxf7 47. Bd2 Kg6 48. Bf4) 45... Qxg5 46. Qxg5 hxg5 {[%mdl 4096] Endgame KR-KR} 47. Ke3 {And now Kd4 would win.} c5 48. b5 {[%cal Bb4b5,Bb5b6][%mdl 32]} f4+ 49. Kd3 c4+ $2 {[%mdl 8192]} (49... Kg6 $11) 50. Kd4 $18 {White is clearly winning.} Ra3 51. Rb2 Kg6 52. b6 {Threatening mate with b7.} Ra8 53. Kc5 {b7 is the strong threat.} Kf5 54. Re2 Rc8+ 55. Kd6 d4 56. cxd4 {Weighted Error Value: White=0.10 (very precise) /Black=0.13 (very precise)} 1-0

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.02.01"]
[Round "8.9"]
[White "Gallagher, Joseph G."]
[Black "Efroimski, Marsel"]
[Result "1/2-1/2"]
[ECO "B52"]
[WhiteElo "2447"]
[BlackElo "2429"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,75,28,35,35,34,39,45,37,34,28,40,46,23,0,65,69,65,63,69,56,62,27,27,30,31,18,19,19,22,29,45,16,31,23,28,24,26,21,39,18,36,9,12,5,4,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. O-O Ngf6 6. Qe2 e6 7. b3 Be7 8. Bb2 O-O 9. c4 Rc8 10. d4 cxd4 11. Nxd4 Qa5 12. Nc3 a6 13. Rad1 Rfe8 14. f4 {B52: Sicilian: Moscow Variation with 3...Bd7.} Qc5 {[#] And now ...e5 would win.} 15. Kh1 Qh5 16. Nf3 {[#] White is slightly better.} e5 $146 ({Predecessor:} 16... Red8 17. Rg1 Qa5 18. Nd4 h5 19. Rd3 Bf8 20. Rg3 Re8 21. Rf1 g6 {1-0 (58) Firouzja,A (2759)-Adhiban,B (2660) chess24.com INT 2021}) 17. fxe5 dxe5 18. Nd5 Bd8 19. Rfe1 Nc5 (19... Ba5 $11) 20. Nxf6+ $14 Bxf6 21. Rd5 Qg4 {[%cal Ob7b5]} 22. Qe3 ({Much weaker is} 22. Nxe5 Qxe2 23. Rxe2 Bxe5 24. Bxe5 b5 $11) ({Reject} 22. Bxe5 Bxe5 23. Nxe5 (23. Rxe5 Rxe5 24. Nxe5 Qxe2 $11) 23... Qxe2 24. Rxe2 f6 $11) 22... Qf4 23. Qxf4 (23. g3 {seems wilder.} Qxe3 24. Rxe3 Ne6 25. Bxe5 Bxe5 26. Rxe5 Nc5 27. Rxe8+ Rxe8 28. e5) 23... exf4 24. Bxf6 gxf6 25. e5 fxe5 26. Rexe5 Rxe5 27. Nxe5 $11 {[%mdl 4096] Endgame KRN-KRN} b5 28. Kg1 Ne4 $1 29. Rd4 Nc3 {[#] Strongly threatening ...Ne2+.} 30. Kf1 {To avoid Ne2} Nxa2 31. Rxf4 Nc1 32. cxb5 axb5 33. b4 Rd8 {The position is equal.} 34. g3 ({Don't go for} 34. Rxf7 $2 Rd1+ 35. Kf2 Nd3+ 36. Ke2 Nxe5 $19) 34... Rd2 35. Nxf7 Rxh2 36. Nd6 Rb2 37. Nxb5 Nd3 38. Rg4+ {Weighted Error Value: White=0.07 (flawless) /Black=0.07 (flawless)} 1/2-1/2

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.02.01"]
[Round "8.10"]
[White "Bwalya, Gillan"]
[Black "Sebag, Marie"]
[Result "1/2-1/2"]
[ECO "D14"]
[WhiteElo "2404"]
[BlackElo "2460"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,58,0,0,0,0,0,10,0,21,8,8,8,8,9,14,5,27,22,20,13,27,15,26,0,19,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bf4 Nc6 5. e3 Nf6 6. Nc3 Bf5 7. Bd3 Bxd3 8. Qxd3 e6 9. h3 Be7 10. Nf3 O-O 11. O-O Nd7 {[%cal Bf6d7,Bd7b6,Bb6c4][%mdl 32]} 12. Rfc1 {D14: Slav Defence: Exchange variation with ...Bf5.} Nb6 {[#]} 13. Qe2 $146 ({Predecessor:} 13. Nd2) 13... a6 14. Qd1 Nc4 15. b3 Nb6 16. a3 Rc8 17. Ne1 {[%cal Bf3e1,Be1d3,Bd3f4][%mdl 32]} Bf6 18. Ne2 Qe7 19. Nd3 h6 20. Qd2 Rfd8 21. Bg3 Nd7 22. Ndf4 g6 {The position is equal.} 23. Ra2 Na7 24. Nd3 Rxc1+ 25. Qxc1 Rc8 {Inhibits Qc7.} 26. Qd2 Rc6 27. Nb4 Rc8 28. Nd3 Rc6 29. Nb4 Rc8 {A rather calm draw.  Weighted Error Value: White=0.06 (flawless) /Black=0.05 (flawless)} 1/2-1/2

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.02.02"]
[Round "9.1"]
[White "Mammadzada, Gunay"]
[Black "Brunello, Sabino"]
[Result "1/2-1/2"]
[ECO "B19"]
[WhiteElo "2470"]
[BlackElo "2492"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,70,14,25,28,18,30,17,31,29,41,31,30,19,21,19,24,8,40,27,112,108,112,125,159,156,181,187,182,153,145,144,150,148,144,88,90,82,82,82,100,72,91,0,0,0,0,0,0]} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. h4 h6 8. Bd3 Bxd3 9. Qxd3 e6 10. Bf4 Qa5+ 11. Bd2 Qc7 12. O-O-O Ngf6 13. Ne4 Nxe4 {B19: Classical Caro-Kann: 4...Bf5 main line.} 14. Qxe4 Nf6 15. Qe2 O-O-O 16. g3 Bd6 17. c4 c5 18. Bc3 cxd4 19. Nxd4 a6 {To avoid Nb5} 20. Kb1 (20. Nxe6 $2 fxe6 21. f4 Rhe8 $19) 20... Rhe8 {[#]} 21. a3 $146 ({Predecessor:} 21. Rd2 Bf8 22. Rhd1 e5 23. Nf3 Rxd2 24. Nxd2 Qd7 25. Ne4 Qf5 26. f3 h5 27. Qd3 Nxe4 28. fxe4 {½-½ (86) Lagno,K (2549)-Fataliyeva,U (2368) Batumi 2019}) 21... e5 (21... Rd7 $11 {remains equal.}) 22. Nf5 $16 Bf8 23. Rxd8+ Qxd8 {[#]} 24. Rd1 $1 (24. Bxe5 $2 Qd7 25. g4 g6 26. Nxh6 Bxh6 $19) 24... Qb6 {[#]} 25. Bb4 $1 (25. Bxe5 $2 Qe6 26. Nd4 Qxe5 $19) 25... Qe6 26. Qc2 {And now Bxf8 would win.} e4 (26... Bxb4 $2 27. Nxg7 (27. axb4 Rd8 $16) 27... Qe7 28. Nxe8 $18 (28. axb4 Rd8 $16)) 27. Bxf8 {White is much more active.} Rxf8 28. Nd6+ ({Much worse is} 28. Nxg7 Qg4 $11) 28... Kb8 29. c5 ({White should try} 29. Qb3 {[%csl Gd6][%cal Rb3b7]} Qe7 30. c5) 29... Rd8 {[%cal Bf8d8,Bd8d7,Bd7c7,Bc7c5][%mdl 32]} 30. Rd4 Rd7 31. Qd2 {[%cal Oc5c6] Hoping for c6!} Rc7 32. Qf4 {[%cal Od6b5] Nb5! is the strong threat.} Nd5 33. Qd2 (33. Qc1 $16) 33... e3 $11 {The position is equal.} 34. fxe3 Rxc5 35. Ne4 Rc6 {Weighted Error Value: White=0.11 (very precise) /Black=0.12 (very precise)} 1/2-1/2

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.02.02"]
[Round "9.2"]
[White "Sukandar, Irine Kharisma"]
[Black "Csonka, Balazs"]
[Result "0-1"]
[ECO "C88"]
[WhiteElo "2407"]
[BlackElo "2480"]
[Annotator "TA"]
[PlyCount "112"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,112,26,17,-1,0,-6,0,0,0,0,0,0,0,0,-8,-16,0,-8,0,0,0,0,10,-33,-22,-17,18,-10,-8,-12,-9,-12,-5,-12,-6,-18,0,-33,-33,-33,-33,-42,-33,-27,-35,-42,-21,-29,0,0,0,0,0,-27,-12,-12,0,-12,-12,-75,-71,-78,-79,-148,-162,-425,-414,-601,-593,-652,-631,-647,-653,-643,-643,-622,-585,-702,-677,-772,-776,-752,-780,-1050,-1025,-1045,-1008,-1024,-1008,-920,-930,-1445,-1358,-1800,-1719,-12837,-12836,-2001,-5856]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 {[%cal Bf1b5,Bb5a4,Ba4b3,Bb3a2][%mdl 32]} a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. h3 {8.a4 is the modern continuation.} Bb7 9. a4 {C88: Closed Ruy Lopez: Anti-Marshall Systems.} Na5 10. Ba2 Nxe4 {[#] Strongly threatening ...Bc5.} 11. d3 {The position is equal.} Nf6 12. Nxe5 {[#]} c5 $146 ({Predecessor:} 12... d6 13. Nf3 c5 14. Nc3 b4 15. Ne4 Nxe4 16. dxe4 b3 17. cxb3 Nc6 18. Bb1 Bf6 {½-½ (24) Perez Olarte,C (2273)-Mendoza,R (2303) Cartagena 2019}) 13. Nd2 d6 14. Nef3 Re8 15. Nf1 Nc6 16. Ng3 Qd7 17. c3 h6 18. Bf4 Bf8 19. Qd2 (19. Ne4 $11 {might be stronger.}) 19... Rxe1+ 20. Rxe1 Re8 21. Rxe8 (21. Ne4 {looks sharper.} Nxe4 22. dxe4 Nb8 23. Qc2 Nc6 24. axb5 axb5 25. Qd2) 21... Nxe8 22. axb5 axb5 23. d4 c4 24. Bb1 Ne7 25. Nh2 Nf6 26. f3 Ned5 27. Ng4 Nxg4 28. hxg4 {[%cal Od2c2]} Nxf4 29. Qxf4 g6 30. Kf2 d5 (30... b4 {looks sharper.} 31. Bc2 Qb5 32. Qd2 bxc3 33. bxc3 Qb2) 31. Nf1 Qd6 (31... Qd8 {feels hotter.} 32. Bc2 b4 33. Bd1 bxc3 34. bxc3 Qa5) 32. Qxd6 Bxd6 $11 {[%mdl 4096] Endgame KBB-KBN} 33. Ne3 Kf8 34. g3 Ke7 35. Nc2 Kd7 36. f4 Kc6 37. Ba2 {[#]} (37. Ne3 $11) 37... b4 $1 $17 {Black continues to play with concentration.} 38. cxb4 Kb5 39. Bb1 ({White should play} 39. Ke2) 39... Ka4 {White must now prevent ...Kb3.} 40. Ne3 $2 (40. Ba2) 40... Kb3 $19 41. b5 (41. Bc2+ $142 Kxb2 42. Ba4) 41... Kxb2 {Black is clearly winning.} 42. Be4 Kc3 43. Bf3 Kxd4 44. Ke2 Kc5 45. Kd2 Be7 46. Kc2 Bf6 47. g5 hxg5 48. Ng4 Be7 49. fxg5 Bxg5 50. Ne5 Kxb5 51. Nxf7 Be7 52. Ne5 g5 53. Bg2 Kc5 54. Nd7+ Kd4 55. Nb6 Bc6 56. Bh3 Bd6 {Weighted Error Value: White=0.61/Black=0.04 (flawless)} 0-1

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.02.02"]
[Round "9.3"]
[White "Girya, Olga"]
[Black "Krysa, Leandro"]
[Result "0-1"]
[ECO "E04"]
[WhiteElo "2416"]
[BlackElo "2516"]
[Annotator "TA"]
[PlyCount "178"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,178,0,0,0,0,0,0,0,0,-23,16,31,38,48,56,52,61,69,64,60,54,49,52,14,19,0,0,0,0,0,0,-17,-4,-43,0,-61,-64,-67,-64,-61,-64,-59,-58,-63,-59,-63,-45,-77,-68,-69,-54,-73,-60,-95,-94,-86,-97,-127,-122,-130,-125,-128,-102,-138,-142,-139,-128,-130,-103,-125,-78,-102,0,-111,-96,-114,-96,-97,-90,-97,-75,-97,-98,-98,-98,-98,-62,-62,-41,-62,-62,-65,-62,-91,-64,-64,-65,-64,-64,-64,-64,-66,-34,-41,-41,-66,0,-70,-66,-68,-47,-47,-47,-51,-62,-62,-42,-44,-42,-55,-42,-58,-28,-41,0,-66,0,-49,-47,-51,-50,-74,-74,-74,-28,-74,-74,-48,-43,-44,-44,-75,-48,-754,-681,-29966,-29969,-29969,-29970,-29972,-29969,-29974,-29970,-29957,0,-29974,-29975,-29976,-29977,-29976,-29975,-29978,-29979,-29977,-29978,-29976,-29977,-29983,-29984]} 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 dxc4 5. Bg2 c6 6. O-O b5 7. a4 {E04: Open Catalan: 5 Nf3.} Bb7 8. Ne5 a6 9. b3 {The position is equal.} cxb3 10. Qxb3 Be7 11. axb5 axb5 12. Rxa8 Bxa8 13. Qa2 {[#]} Nbd7 $5 $146 {[%cal Bb8d7,Bd7b6,Bb6c4][%mdl 8] An interesting novelty.} ({Predecessor:} 13... Bb7 14. Qa7 Qc8 15. Nc3 O-O 16. Nxb5 Nd5 17. Ba3 cxb5 18. Bxe7 Nxe7 19. Qxb7 Qxb7 20. Bxb7 {1-0 (64) Harikrishna,P (2719)-Druska,J (2506) Legnica 2021}) 14. Nxc6 Bxc6 15. Bxc6 b4 16. Nd2 O-O 17. Nb3 Nd5 18. Qa5 N7b6 19. Bd2 Nc4 20. Qxd8 Rxd8 21. Ra1 Nc3 {Pair of Knights!} 22. e3 e5 (22... Nxd2 $15 {is more appropriate.} 23. Nxd2 e5) 23. Ra8 ({Reject} 23. Ra7 Nxd2 24. Nxd2 Kf8 $15) (23. Bxc3 $11 bxc3 24. Kf1) 23... exd4 {Black is much more active.} 24. exd4 Nxd2 25. Nxd2 Ne2+ 26. Kf1 Nxd4 27. Rxd8+ Bxd8 $15 {[%mdl 4096] Endgame KBN-KBN} 28. Bd5 Bb6 29. Bc4 Kf8 30. Nb3 Nf5 31. Ke2 g6 32. h3 Nd6 33. Bd3 Ke7 34. g4 Ke6 35. f4 Kd5 36. Kf3 h5 37. gxh5 gxh5 38. Kg3 Bd8 39. Kf3 h4 40. Ba6 Bf6 (40... Nf5 $142 41. Bb5 Be7) 41. Bd3 Bd8 (41... Bc3 $17 42. Ke3 Be1) 42. Ke2 (42. Ba6 $1 $11) 42... Ne4 43. Kf3 f5 44. Bb5 Bb6 45. Bd3 Bc7 46. Ke3 Ng3 47. Kf3 Bb6 48. Bb5 Ke6 49. Bc4+ Kf6 50. Nc1 Ne4 {Hoping for ...Nd2+.} 51. Nb3 {To avoid Nd2+} Nd6 52. Bd3 Nb7 53. Bc4 Nd8 54. Nc1 $1 Ne6 55. Ne2 Bc7 56. Ke3 Nc5 57. Nc1 Ne4 58. Nb3 Bb6+ 59. Kf3 $1 Nf2 60. Kg2 Nd1 61. Kf3 Ne3 62. Bd3 Nd5 {aiming for ...Bc7.} 63. Bc4 Ne7 64. Nc1 Nc6 65. Nb3 Bc7 66. Ke3 Nd8 {White must now prevent ...Ne6.} 67. Nc1 Ne6 68. Ne2 $1 Nc5 69. Nc1 $1 {Prevents b3.} Bd6 70. Kf3 Ne6 71. Ne2 Bf8 72. Ke3 Bg7 (72... Be7 $17) 73. Kf3 (73. Nd4 $11 {should be considered.} Nxd4 74. Kxd4) 73... Bh6 $17 74. Bd5 Nc5 75. Nc1 {Inhibits b3.} Bf8 76. Bc4 Ne6 {[%cal Oe6f4] Strongly threatening ...Nxf4!} 77. Bd5 $2 {[%mdl 8192] [#]} (77. Nd3 $15) 77... Nxf4 $1 $19 {[%mdl 512]} 78. Kxf4 {And now Nd3 would win.} (78. Bc6 Nxh3) 78... Bh6+ {[%mdl 64] Skewer} 79. Kf3 Bxc1 {KB-KB} 80. Bb3 Ke5 81. Bg8 Kd4 82. Be6 Ke5 83. Bg8 $1 Bg5 {Black mates.} 84. Bf7 Kd4 85. Be6 {[#]} f4 $1 86. Bf7 Kc3 87. Ke2 b3 88. Bg6 Kb2 89. Kd1 Ka1 {Weighted Error Value: White=0.14 (very precise) /Black=0.13 (very precise)} 0-1

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.02.02"]
[Round "9.4"]
[White "Muzychuk, Mariya"]
[Black "Bellahcene, Bilel"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "2539"]
[BlackElo "2512"]
[Annotator "TA"]
[PlyCount "30"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,30,11,56,50,61,9,10,15,8,6,7,16,0,5,7,10,8,0,0,-8,-15,-7,-6]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. O-O Nge7 5. Re1 b6 (5... a6 $11 6. Be2 d5) 6. c3 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6.} a6 {[#]} 7. Bxc6 $146 {White is more active.} ({White should play} 7. Ba4 $14) ({Predecessor:} 7. Ba4 c4 8. Na3 b5 9. Bc2 Ng6 10. b3 Nce5 11. bxc4 bxc4 12. Nxe5 Nxe5 13. Qe2 {0-1 (58) Amin,B (2680)-Carlsen,M (2856) Warsaw 2021}) 7... Nxc6 $11 {The position is equal.} 8. d4 d5 9. exd5 Qxd5 10. dxc5 {[#] And now Qxd5 would win.} Qxd1 11. Rxd1 Bxc5 12. Nbd2 Bb7 13. Nc4 b5 14. Nd6+ Bxd6 15. Rxd6 Ke7 {Weighted Error Value: White=0.13 (very precise) /Black=0.08 (flawless)} 1/2-1/2

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.02.02"]
[Round "9.5"]
[White "Houska, Jovanka"]
[Black "Gallagher, Joseph G."]
[Result "1-0"]
[ECO "D78"]
[WhiteElo "2365"]
[BlackElo "2447"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,63,25,30,27,43,43,47,43,42,44,43,35,99,32,44,9,23,20,111,84,72,77,129,85,116,117,111,103,226,229,339,277,265,262,402,400,445,454,446,434,503,505,523,510,525,514,656,518,511,483,469,439]} 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. b3 c5 {6...e5 deserves study.} 7. c4 d5 8. Bb2 {D78: Fianchetto Grünfeld: 6 0-0 c6.} Nc6 {was the old line (8...dxc4).} 9. dxc5 dxc4 10. Ne5 {White is slightly better.} Qa5 11. Nxc6 bxc6 {[#]} 12. Nd2 $146 (12. Bxc6 Rb8 $11) ({Predecessor:} 12. Qc2 Be6 13. Nd2 cxb3 14. axb3 Qb5 15. e4 Rfb8 16. Rfd1 Nd7 17. Bxg7 Kxg7 18. Qc3+ {0-1 (33) Donchenko,A (2309)-Gallagher,J (2502) Plovdiv 2012}) 12... cxb3 (12... Be6 $14 13. Qc2 (13. Nxc4 Bxc4 14. bxc4 Rab8 $14) (13. bxc4 Qxc5 14. e3 Rad8 $11) (13. Bxc6 $2 Rad8 $19) 13... cxb3 14. axb3 Qb5) 13. Nxb3 (13. Bxc6 $16 Rb8 14. Nxb3) 13... Qc7 14. Nd4 Rb8 15. Rb1 Bf5 (15... Bd7 $1 $11 {remains equal.}) 16. Nxf5 gxf5 17. Bc3 $36 {[%mdl 2048] Black is under strong pressure. This bishop pair is nice.} e6 ({Black should try} 17... Ng4 18. Bxg7 Kxg7) 18. Qd6 (18. Rxb8 $142 Rxb8 19. Qa1) 18... Qxd6 19. cxd6 {And now Ba5 would win.} Ne4 20. Bxe4 fxe4 {[#] Black cannot hold the game after this.} (20... Bxc3 $16 {keeps fighting.} 21. Bxc6 Rfd8) 21. Ba5 $1 $18 Bd4 (21... Bf6 $142 22. d7 Kg7) 22. Bc7 Rbc8 23. Rfc1 Be5 (23... e3 {was necessary.} 24. Rxc6 exf2+ 25. Kf1 Be5) 24. Rb7 f5 25. Rxa7 {White is clearly winning.} Rf7 {[%cal Oe5d6]} 26. Ra5 Bf6 27. Rxc6 Rd7 28. a4 Kf7 29. Kg2 Be7 30. dxe7 Rdxc7 31. e8=Q+ Kxe8 32. Rxe6+ {Weighted Error Value: White=0.17 (very precise) /Black=0.42} 1-0

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.02.02"]
[Round "9.6"]
[White "Stefanova, Antoaneta"]
[Black "Haria, Ravi"]
[Result "1-0"]
[ECO "E06"]
[WhiteElo "2469"]
[BlackElo "2490"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,55,8,18,-10,0,5,9,15,12,7,21,7,16,18,4,0,289,295,293,298,370,366,422,424,412,350,323,331,353,335,384,386,405,405,413,393,402,359,394,397,402,392,575,560,625,611,623,607]} 1. d4 e6 2. c4 Nf6 3. Nf3 {[%cal Bg1f3,Bf3d4,Bd4b5][%mdl 32]} d5 4. g3 Be7 5. Bg2 O-O 6. Qd3 {E06: Closed Catalan: Early deviations.} c5 7. O-O cxd4 8. Nxd4 {[#] The position is equal.} Na6 $146 ({Predecessor:} 8... e5 9. Nf5 dxc4 10. Qxd8 Bxd8 11. Nd6 Nc6 12. Nc3 Be7 13. Nxc4 Be6 14. Bxc6 Bxc4 15. Bxb7 {½-½ (31) Gelfand,B (2650)-Ganguly,S (2563) Riga 2021}) 9. cxd5 Nb4 10. Qb3 e5 11. Nb5 {next N1c3 is good for White.} Nbxd5 ({Much less strong is} 11... Nfxd5 12. a3 Qa5 {[#]} 13. axb4 $1 $18 (13. Bxd5 Nxd5 14. Qxd5 Rd8 $16)) 12. Rd1 {[%cal Rg2d5]} Qa5 $2 {[%mdl 8192] [#] Black is now going downhill.} 13. Bxd5 $18 Nxd5 14. Qxd5 Be6 15. Qxb7 Rad8 16. Bd2 Bb4 17. N5c3 ({But not} 17. N1c3 Rd7 18. Qc6 a6 $18) 17... Rd7 18. Qe4 Rfd8 19. Qc2 h6 20. a3 Be7 21. e4 {[%cal Be2e4,Be4f5][%mdl 32]} Bg4 22. Re1 Rc8 23. Kg2 Qa6 24. h3 Be6 25. Be3 f5 (25... Qb7 $142 26. Nd2 Rd6) 26. exf5 {White is clearly winning.} Bd5+ 27. Kh2 Ba8 28. Nd2 {Weighted Error Value: White=0.08 (flawless) /Black=0.43} 1-0

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.02.02"]
[Round "9.7"]
[White "Cramling, Pia"]
[Black "Bwalya, Gillan"]
[Result "1-0"]
[ECO "D34"]
[WhiteElo "2452"]
[BlackElo "2404"]
[Annotator "TA"]
[PlyCount "119"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,119,44,30,78,59,74,56,66,54,75,62,52,71,63,64,69,15,41,14,13,7,10,3,4,3,2,4,20,20,20,20,20,20,20,20,20,20,20,20,70,70,62,30,45,38,42,36,36,24,52,43,57,31,55,38,54,45,41,16,21,20,74,0,26,28,77,86,74,33,96,119,139,139,284,275,259,245,397,394,264,162,162,70,382,317,293,239,286,8,8,8,8,12,29981,29982,29982,29983,29983,29984,29984,29985,29985,29986]} 1. Nf3 d5 2. d4 e6 3. c4 c5 4. cxd5 exd5 5. g3 Nf6 6. Bg2 Nc6 7. O-O Be7 8. dxc5 Bxc5 9. Bg5 Be6 10. Nc3 d4 {is the legacy move (10...0-0). D34: Tarrasch Defence: 6 g3 Nf6 7 Bg2 Be7.} (10... O-O $11) 11. Bxf6 Qxf6 12. Ne4 {[%csl LRc5,LRf6] Pair of Knights!} Qe7 {White is slightly better.} 13. Nxc5 Qxc5 14. b4 Qxb4 15. Rb1 {[#]} Qc5 $146 ({Predecessor:} 15... Qd6 16. Rxb7 O-O 17. Qa4 Rab8 18. Rfb1 Rxb7 19. Rxb7 Bd5 20. Qa6 Qc5 21. Rc7 Qd6 22. Rxa7 {½-½ (47) Stockmann,M (2275)-Baeuml,U (2103) Bad Wiessee 2013}) 16. Rxb7 O-O 17. Rb2 (17. Qc1 $14 Qxc1 18. Rxc1) 17... Rad8 {[%cal Od4d3]} 18. Rd2 Rd6 19. Qc1 Qa5 20. Rc2 Nb4 21. Qd2 d3 22. Rb2 dxe2 23. Qxd6 exf1=Q+ 24. Bxf1 Qd5 25. Qxd5 Bxd5 26. Rxb4 Bxf3 27. Bg2 Bxg2 28. Kxg2 $11 {[%mdl 4096] Endgame KR-KR} Ra8 (28... f6 $1 $11) 29. Rb5 $14 Kf8 30. Ra5 Ke7 31. g4 Kd7 32. Kg3 a6 33. h4 Ra7 34. Kf4 Ke6 35. f3 Ra8 36. h5 f6 37. Kg3 g6 38. Kf4 Ra7 39. Ke4 Kd6 (39... Kf7 $11 {remains equal.}) 40. Kf4 (40. f4 $16) 40... Ke6 $11 41. Ke3 Kd6 (41... Kf7 $11 {deserves consideration.}) 42. f4 $1 $16 Ra8 43. Kd4 (43. h6 $16) 43... Ra7 (43... Ke7 $14) 44. h6 Ra8 45. f5 $1 gxf5 (45... Ke7 $16 46. fxg6 hxg6) 46. gxf5 $18 ({Worse is} 46. Rxf5 Ke6 $11) 46... Kc6 47. Ra3 Rd8+ $2 (47... a5 48. Rc3+ Kd7) 48. Kc4 Kb6 49. Rb3+ Kc6 {[#]} 50. Re3 $1 {Black must now prevent Re6+.} Rd5 $2 {[%mdl 8192]} (50... Rd2 $1 $14) 51. Re6+ Rd6 {...Rxe6 is the strong threat.} 52. Re8 {Strongly threatening Rc8+.} Rd2 {[#]} 53. Rc8+ $2 ({Don't play} 53. Re6+ $6 Rd6 54. Re7 Rd2 $16) ({White must play} 53. a4 $1 $18) 53... Kd7 $1 $11 54. Rh8 Rxa2 (54... Rc2+ $2 55. Kd5 Rd2+ 56. Ke4 $18) 55. Rxh7+ Ke8 $2 {[%mdl 8192]} (55... Kc6 $11) 56. Ra7 {White mates.} Rh2 57. h7 Kf8 58. Kd5 a5 59. Ke6 a4 60. Kxf6 {Weighted Error Value: White=0.16 (very precise) /Black=0.41} 1-0

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.02.02"]
[Round "9.8"]
[White "Abdumalik, Zhansaya"]
[Black "Rosen, Eric"]
[Result "1-0"]
[ECO "B75"]
[WhiteElo "2491"]
[BlackElo "2356"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,99,47,58,44,16,23,10,33,0,0,0,0,0,0,-22,-28,-14,69,50,53,8,18,21,139,139,151,108,115,-47,-28,-150,-9,-18,0,-68,-58,-64,-25,-176,-179,-188,-157,-174,-162,-156,-98,-140,-87,-181,-129,-162,-144,-166,-151,-225,-94,-225,-131,-123,0,-83,871,868,861,829,1417,1369,1689,1690,2504,2504,2010,1515,1806,1579,1538,1618,1532,1551,1458,1641,1644,1455,29969,29964,5235,4798]} 1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 g6 6. Be3 Bg7 7. f3 a6 8. Qd2 h5 {B75: Sicilian Dragon: Yugoslav Attack, Miscellaneous.} 9. O-O-O b5 {To avoid Bc4} 10. Kb1 Bb7 {Inhibits Nd5. The position is equal.} 11. h4 Nbd7 12. a3 Qc7 {[#]} 13. Be2 $146 ({Predecessor:} 13. Bg5 Rc8 14. Bd3 Nb6 15. f4 Ng4 16. e5 dxe5 17. fxe5 Bxe5 18. Be4 Nc4 19. Qe2 Bxe4 20. Nxe4 {0-1 (42) Jonasson,B (2285)-Steigman,A (2213) ICC INT 2000}) 13... Rb8 14. Rc1 Ba8 15. Na2 d5 ({Black should play} 15... Ne5 $11) 16. Nb4 $14 {White is more active.} Qd6 17. Nb3 (17. Rhd1 $14) 17... O-O $11 18. Rhd1 {[%cal Re4d5]} Nb6 (18... Rbc8 $11) 19. Bc5 $16 (19. Nxa6 $6 Nc4 20. Bxc4 bxc4 21. Nxb8 Rxb8 $11) 19... Qh2 20. Nxa6 ({Better is} 20. Rh1 $1 {[%cal Rh1h2]} Qg3 21. Nxa6) 20... Nc4 21. Qe1 (21. Bxc4 $16 bxc4 22. Rh1 $1 (22. Nxb8 Rxb8 23. Rh1 Qc7 $14) (22. Bxe7 cxb3 23. Nxb8 bxc2+ 24. Rxc2 Rxb8 $11)) 21... Rbc8 $1 $15 22. Qg1 (22. Bxe7 Rfe8 23. Bxf6 Bxf6 24. Bxc4 bxc4 $17) (22. e5 $1 $11 {remains equal.} Qxe5 23. Bxc4 Qxe1 24. Rxe1 dxc4 25. Bxe7 cxb3 26. Bxf8 bxc2+ 27. Rxc2 Rxf8 28. Nc7) 22... Qe5 (22... Qxg1 $17 23. Rxg1 dxe4) 23. Bd4 $11 Qd6 24. Nb4 (24. e5 $1 $11 Qxa6 25. exf6 Bxf6 26. f4) 24... dxe4 $15 25. fxe4 Bxe4 26. g4 $2 (26. Nd2 $1 $11 {and White is okay.} Qe6 27. Bxc4 bxc4 28. Qe3) 26... Qe6 $1 $19 {[%cal Oc4a3] Hoping for ...Nxa3+!} (26... hxg4 27. Bxg4 Bh6 28. Bc5 $15) 27. Bxc4 (27. Nc5 $2 Rxc5 $1 28. Ka1 (28. Bxc5 $2 Nxa3+ 29. Ka1 Nd5 $19) 28... Rc7 $19) 27... bxc4 ({Not} 27... Rxc4 28. gxh5 (28. Nd2 $2 Rxb4 29. Nxe4 Rxd4 $19) 28... Nxh5 29. Nc5 $11) (27... Qxc4 28. Nd2 Qe2 29. gxh5 Nxh5 30. Bxg7 Nxg7 31. Nxe4 Qxe4 32. Rd4 $14) 28. Nc5 {[#]} Rxc5 {[%mdl 512]} 29. Bxc5 Nxg4 (29... c3 $142 {( -> ...Qb3)} 30. Bd4 cxb2 31. Kxb2 hxg4) 30. Ka2 {Prevents Qb3+.} (30. Bd4 $142) 30... Ra8 (30... Bf6 $142 31. Qg3 Be5) 31. Bb6 (31. Bd4 $17 {might work better.}) 31... Bh6 {This bishop pair is nice.} (31... Bf6 $19 32. Bf2 c3+ 33. b3 Qf5) 32. Rb1 c3+ 33. b3 Bd2 {Prevents Re1.} 34. Bc5 (34. Re1 $17 {was worth a try.}) 34... Qf6 (34... Qf5 $19 {[%cal Og4e3] aiming for ...Ne3!} 35. Rf1 Qe5) 35. Rf1 {[#]} (35. Re1 $17 Bxe1 36. Rxe1) 35... Qxh4 (35... Qe5 $1 $19 {[%cal Od2e3]} 36. Rbe1 Bxe1 37. Rxe1 Rc8) 36. Qd4 $17 f5 (36... Ne3 $17 {White must now prevent ...Qg4.} 37. Qe5 Nxf1) 37. Qc4+ (37. Nd5 $1 $11 Kh7 38. Nxc3 (38. Bxe7 Qh2 $17) 38... Bxc3 39. Qxc3) 37... Kf8 $2 {[%mdl 8192]} (37... Kg7 $17 38. Bd4+ e5 39. Bxc3 Bxc3 40. Qc7+ Kh6 41. Qxc3 Qe7) 38. Qxe4 $1 $18 Ra5 39. Qd4 Qf6 {Prevents Qh8+.} 40. Qd8+ Kf7 41. Qxa5 Qe5 42. Qa7 Qe4 43. Qd7 h4 44. Rbd1 h3 45. Rxd2 cxd2 46. Qxd2 {Strongly threatening Re1.} h2 47. Qd5+ Qxd5 48. Nxd5 e5 49. a4 Ke6 50. c4 {What a bad dream for Black.  Weighted Error Value: White=0.50/Black=0.37} 1-0

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.02.02"]
[Round "9.9"]
[White "Sebag, Marie"]
[Black "Aziz, Husain"]
[Result "1/2-1/2"]
[ECO "C65"]
[WhiteElo "2460"]
[BlackElo "2357"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,88,21,18,22,22,10,10,10,13,6,6,4,2,0,0,0,0,-10,-11,-33,-38,-38,-33,-41,-26,-44,-43,-42,-22,-22,-26,-32,-22,-40,-35,-41,-41,-41,-41,-41,-41,-33,-33,-7,0,-33,-10,-7,-8,-31,-31,-29,-32,-42,-29,-31,0,-39,0,-36,-21,-62,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Bxc6 dxc6 6. Nbd2 {C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5.} Be6 {6...Nd7 is a critical line.} 7. Qe2 Bd6 8. b3 {[#]} Qe7 $146 ({Predecessor:} 8... O-O 9. Bb2 Nd7 10. O-O Qf6 11. Rfe1 c5 12. h3 Nb8 13. c3 Qg6 14. Kh1 Nc6 {1-0 (54) Amonatov,F (2615)-Navara,D (2740) Batumi 2018}) 9. a4 a5 10. O-O Nd7 11. Nc4 Bxc4 12. bxc4 b6 13. Kh1 Nc5 14. Bb2 O-O-O 15. Rfe1 {[#] Threatens to win with d4.} Rhe8 16. Nd2 {[%cal Of2f4]} f6 17. Bc3 Qf7 18. Qf3 Kb7 19. Reb1 Ra8 20. Qe3 Red8 21. f3 Qe7 22. Qe1 Kc8 23. Nb3 Nxb3 24. Rxb3 Bc5 25. Rab1 h5 26. Qh4 Kb7 27. Qe1 (27. Qxh5 {seems wilder.} Rh8 28. Qg4 Bf2 29. g3 g5 30. h3) 27... Bb4 28. Bxb4 axb4 29. Rxb4 {[%cal Oa4a5]} c5 30. Rb5 Rxa4 31. Qf2 Kc6 32. f4 Rda8 33. h3 Ra1 34. Qf3 h4 35. Qg4 (35. Qh5 $11) 35... Rxb1+ (35... exf4 $15 36. Qxf4 g5) 36. Rxb1 $15 {[%mdl 4096] Endgame KQR-KQR. The position is equal.} Ra2 37. Rc1 exf4 38. Qxf4 g5 $1 39. Qf5 {[%csl Gc4,Ge4][%cal Rf5d5] [#]} Qe5 40. Qc8 Ra1 41. Rxa1 Qxa1+ 42. Kh2 Qe5+ 43. Kh1 Qa1+ 44. Kh2 Qe5+ {Weighted Error Value: White=0.08 (flawless) /Black=0.06 (flawless)} 1/2-1/2

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.02.02"]
[Round "9.10"]
[White "Efroimski, Marsel"]
[Black "Cheng, Bobby"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "2429"]
[BlackElo "2550"]
[Annotator "TA"]
[PlyCount "29"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,29,0,-20,-24,0,0,0,25,27,27,0,0,0,16,0,0,0]} 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Nc6 6. Be2 cxd4 7. cxd4 Nh6 8. Bxh6 $1 {[%mdl 4] [#] Black must now prevent Bc1. outshines the older 8.Nc3.} Qxb2 {C02: French: Advance Variation.} 9. Nbd2 {Hoping for Be3.} gxh6 10. O-O Bd7 11. Rb1 Qxa2 {[#]} 12. Ra1 $146 (12. Rxb7 $5 {[%cal Rd1a1]} Nd8 13. Rb1 $11) ({Predecessor:} 12. Rxb7 Rb8 13. Qa1 Qxa1 14. Rxb8+ Nxb8 15. Rxa1 Bb4 16. Rxa7 O-O 17. Rb7 Bc3 18. Nf1 Rc8 19. Ng3 Bc6 20. Rb1 {0-1 (43) Csonka,B (2490)-Vachier Lagrave,M (2751) Chess.com INT 2021}) 12... Qb2 {The position is equal.} 13. Rb1 Qa2 14. Ra1 {[%mdl 1024] White has compensation.} Qb2 15. Rb1 {An interesting draw.  Weighted Error Value: White=0.13 (very precise) /Black=0.05 (flawless)} 1/2-1/2

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.02.03"]
[Round "10.1"]
[White "Gallagher, Joseph G."]
[Black "Stefanova, Antoaneta"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "2447"]
[BlackElo "2469"]
[Annotator "TA"]
[PlyCount "37"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,37,14,18,16,21,12,17,0,29,11,11,12,12,2,6,-3,0,0,9,9,10,10,12,13,6,20,27,0,5,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. Nc3 a6 6. a4 {C50: Hungarian Defence and Giuoco Pianissimo.} h6 7. h3 d6 8. Be3 Nd4 {[#]} 9. Nd5 $146 ({Predecessor:} 9. Na2 Bd7 10. a5 Be6 11. Bxd4 Bxd4 12. Nxd4 Bxc4 13. Nf5 g6 14. dxc4 gxf5 15. exf5 {0-1 (63) Horcicka,J (1560)-Bunic,E (1758) Trogir 2020}) 9... Nxd5 10. Bxd5 c6 11. Ba2 O-O 12. c3 Nxf3+ 13. Qxf3 Qb6 14. b4 Bxe3 15. Qxe3 Qxe3+ 16. fxe3 a5 17. Ke2 Be6 18. Bxe6 fxe6 19. bxa5 {An interesting draw.  Weighted Error Value: White=0.10 (very precise) /Black=0.05 (flawless)} 1/2-1/2

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.02.03"]
[Round "10.2"]
[White "Krysa, Leandro"]
[Black "Muzychuk, Mariya"]
[Result "1/2-1/2"]
[ECO "D43"]
[WhiteElo "2516"]
[BlackElo "2539"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,88,0,0,0,17,-19,0,0,0,0,0,0,0,0,0,0,52,10,12,0,0,0,0,-20,-20,-6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-6,-6,-8,-8,-8,-8,-8,-8,-11,-8,-14,-8,-14,-8,-8,-8,-9,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 {[%cal Bc1g5,Bg5h4,Bh4g3][%mdl 32]} h6 6. Bh4 dxc4 7. e4 g5 8. Bg3 b5 9. Be2 Bb7 10. Qc2 {D43: Semi-Slav: 5 Bg5 h6.} Nh5 11. Rd1 Nd7 12. d5 exd5 13. exd5 cxd5 14. Nxd5 Nxg3 15. hxg3 {[#] Strongly threatening Qe4+.} Bg7 16. Ne3 {Threatens to win with Nf5. Pair of Knights!} Qf6 {[#]} (16... Qa5+ $11 17. Kf1 Rd8) 17. Nf5 $146 (17. Nd4 $14 a6 18. Ng4) ({Predecessor:} 17. Nd4 Nc5 18. Nxb5 O-O 19. Nd6 Nd3+ 20. Bxd3 cxd3 21. Qxd3 Qxb2 22. O-O Bc8 23. Nd5 {½-½ (48) Yazgeldiev,K (2325)-Delgado,L (2015) ICCF email 2012}) 17... O-O-O {The position is equal.} 18. Nxg7 Qxg7 19. O-O Qg6 20. Qxg6 fxg6 21. Nd4 $1 a6 22. a4 $1 Rhe8 23. axb5 axb5 24. Bg4 h5 25. Bxd7+ Rxd7 26. Nxb5 {[#] Nd6+ is the strong threat.} Re6 {Inhibits Nd6+.} 27. Rc1 Ba6 28. Na3 Rc7 {[%cal Oc4c3]} 29. Rfd1 g4 30. Rd4 {[%cal Ra3c4]} Rec6 31. Rc3 Rd7 32. Rxd7 Kxd7 $11 {[%mdl 4096] Endgame KRB-KRN} 33. b3 cxb3 34. Rxb3 Rc1+ 35. Kh2 Kc6 36. Nb1 Kd5 37. Rb2 Bd3 38. Nd2 Rd1 {aiming for ...Kd4.} 39. f3 Kd4 {And now ...Kc3 would win.} 40. Ne4 gxf3 41. Nf2 Re1 {White must now prevent ...Re2.} 42. Nxd3 Kxd3 43. Rb3+ Kd4 {( -> ...f2)} 44. gxf3 Ke5 {An interesting draw.  Weighted Error Value: White=0.04 (flawless) /Black=0.05 (flawless)} 1/2-1/2

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.02.03"]
[Round "10.3"]
[White "Rosen, Eric"]
[Black "Sukandar, Irine Kharisma"]
[Result "1/2-1/2"]
[ECO "C47"]
[WhiteElo "2356"]
[BlackElo "2407"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,57,13,25,13,20,14,25,34,34,22,36,35,36,-13,-6,-38,-10,-39,0,-8,-7,-7,0,0,9,-9,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 O-O 8. O-O d5 9. exd5 cxd5 10. Bg5 c6 11. Qf3 h6 12. Bxf6 Qxf6 13. Qxf6 gxf6 14. Ne2 Rb8 15. Nd4 {C47: Scotch Four Knights and Four Knights with 4 g3.} (15. Rab1 {feels hotter.} Re8 16. a3 Bd6 17. b4 c5 18. Nc3) 15... Rb6 16. Nf5 Bxf5 17. Bxf5 {White has an edge.} Re8 {[#]} 18. Bd3 $146 ({Predecessor:} 18. Rad1 Re5 19. Bd3 Rb8 20. g3 Ba5 21. b3 Rbe8 22. Ba6 Bc3 23. Rd3 d4 24. Rf3 {½-½ (46) Moranda,W (2618)-Wojtaszek,R (2694) Bydgoszcz 2021}) 18... Bc5 19. b3 Bb4 20. c4 (20. Rab1 $14 {was preferrable.}) 20... d4 $11 21. Rac1 Bc3 22. Rc2 Re5 (22... Ra6 {is more complex.} 23. Bf5 c5 24. g4 Ra3 25. Kg2 a5) 23. Re2 {The position is equal.} Rxe2 24. Bxe2 {KRB-KRB} a5 25. Rb1 c5 26. a4 Kf8 27. Bd3 Re6 28. g3 Ke7 29. Kg2 {Weighted Error Value: White=0.14 (very precise) /Black=0.07 (flawless)} 1/2-1/2

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.02.03"]
[Round "10.4"]
[White "Csonka, Balazs"]
[Black "Efroimski, Marsel"]
[Result "1/2-1/2"]
[ECO "D41"]
[WhiteElo "2480"]
[BlackElo "2429"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,87,27,27,20,18,25,35,35,35,38,36,37,42,33,35,33,37,32,33,32,39,31,33,34,38,23,45,19,27,9,9,9,9,11,13,13,21,14,20,15,15,16,25,25,25,0,12,0,131,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 c5 5. cxd5 Nxd5 6. g3 Nxc3 7. bxc3 Nc6 8. Bg2 cxd4 9. Nxd4 Nxd4 10. Qxd4 Qxd4 11. cxd4 Bd6 12. a4 {D41: Queen's Gambit Declined: Semi-Tarrasch with 5 cxd5.} Rb8 13. a5 {[#]} b5 $146 ({Predecessor:} 13... Ke7 14. O-O Rd8 15. e4 Kf8 16. Be3 b6 17. Rfb1 Bd7 18. axb6 axb6 19. Ra6 Bc7 {½-½ (33) Grischuk,A (2777)-Nepomniachtchi,I (2784) Lichess.org INT 2020}) 14. axb6 $1 {White is slightly better.} axb6 15. Ba3 Bxa3 16. Rxa3 O-O 17. Kd2 Rd8 18. Ke3 Bb7 19. Bxb7 Rxb7 $14 {[%mdl 4096] Endgame KRR-KRR} 20. Rb1 Kf8 21. Rb5 Ke7 22. Rab3 Rd6 ({Don't do} 22... Rbd7 23. R3b4 $16 (23. Rxb6 Rxd4 24. f4 Kf6 $11)) 23. Kd3 Rc6 24. e4 Kd7 25. d5 exd5 26. exd5 Rh6 27. h4 {[%cal Bh2h4,Bh4h5][%mdl 32]} Rg6 28. Kd4 Rb8 29. h5 Rd6 30. Ra3 Rc8 31. Ra7+ Rc7 32. Rxc7+ Kxc7 $11 {KR-KR} 33. f4 Rd8 34. Rb3 Ra8 {[#]} (34... Rb8 $11 {keeps the balance.}) 35. Rc3+ (35. h6 $1 $16 {[%cal Rh6g7]} gxh6 36. Rc3+ Kd7 37. Rc6) 35... Kd7 {The position is equal.} 36. Rc6 Ra4+ 37. Ke5 {Hoping for h6.} f6+ $1 38. Kf5 Rd4 39. Rxb6 Rxd5+ 40. Ke4 Rxh5 41. Rb7+ Kd6 42. g4 Ra5 43. Rxg7 h5 44. gxh5 {Weighted Error Value: White=0.10 (very precise) /Black=0.10 (very precise)} 1/2-1/2

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.02.03"]
[Round "10.5"]
[White "Aziz, Husain"]
[Black "Cramling, Pia"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "2357"]
[BlackElo "2452"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,72,0,0,13,12,0,21,0,0,-4,0,0,35,-33,-44,-118,-109,-118,-107,-160,-132,-125,-122,-133,-112,-106,-109,-109,-109,-109,-100,-127,-124,-110,-87,-113,-115,-133,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Nf6 6. Re1 O-O 7. d4 a6 8. Bxc6 dxc6 9. h3 cxd4 10. cxd4 c5 11. d5 {B31: Sicilian: 2...Nc6 3 Bb5 g6.} b5 12. Nc3 Bb7 13. Bg5 Rc8 14. Rc1 Re8 {[#]} 15. Qd2 $146 ({Predecessor:} 15. b3 h6 16. Bh4 g5 17. Bg3 Nh5 18. Be5 Nf4 19. h4 Qd7 20. Bxg7 Kxg7 21. g3 {1-0 (31) Alexakis,D (2475)-Tzermiadianos,A (2421) Thessaloniki 2021}) 15... Qa5 16. Bxf6 (16. Bh6 $14) 16... exf6 $15 17. d6 (17. a3 $15) 17... Rcd8 $17 18. Qf4 Re6 19. e5 (19. Red1 $142) 19... Qb6 20. Rcd1 fxe5 21. Nxe5 Bxe5 22. Rxe5 Rdxd6 ({Don't play} 22... Rexd6 $6 23. Re8+ $1 Kg7 24. Qe5+ Kh6 25. Qe3+ Kg7 26. Qe5+ Kh6 27. Qe3+ Kg7 28. Qe5+ $11) 23. Rxe6 Rxd1+ (23... Rxe6 $2 24. Rd7 Rf6 25. Qb8+ Kg7 26. Qxb7 $18) 24. Nxd1 Qxe6 25. Ne3 Kg7 26. Qc7 Bd5 27. a3 c4 28. Qa7 {[#] Qd4+ is the strong threat.} Be4 (28... Qe4 $1 $17 {[%cal Re4b1] White must now prevent ...Qb1+.} 29. Nxd5 Qxd5) 29. Qd4+ $11 {The position is equal.} Kf8 30. Qd8+ Kg7 31. Qd4+ f6 32. Qa7+ Kg8 33. Qb8+ Kg7 34. Qa7+ $1 Kg8 35. Qb8+ Kf7 36. Qa7+ $1 Kg8 {Weighted Error Value: White=0.13 (very precise) /Black=0.10 (very precise)} 1/2-1/2

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.02.03"]
[Round "10.6"]
[White "Brunello, Sabino"]
[Black "Abdumalik, Zhansaya"]
[Result "1/2-1/2"]
[ECO "D03"]
[WhiteElo "2492"]
[BlackElo "2491"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,74,9,21,8,8,11,52,43,53,-22,-15,-17,-7,-10,-33,-30,-15,-17,-9,-16,-6,-12,-2,-12,0,0,0,-2,0,0,0,-13,-9,-18,0,0,0,0,0,-48,0,0,0,0,0,0,0,0,32,32,32,32,32,28,28,31,30,29,41,0,31,0,31]} 1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 d5 5. e3 Nbd7 6. Bd3 O-O 7. O-O Re8 {has lost popularity (7...c5).} 8. Re1 {D03: 1 d4 d5 2 Nf3 Nf6 3 Bg5, including Torre Attack with early ...d5.} e5 {Hoping for ...e4.} 9. e4 dxe4 (9... h6 $11 10. Bxf6 Nxf6) 10. Nxe4 $14 {Strongly threatening dxe5. White is slightly better.} exd4 {[#]} 11. Nxd4 $146 (11. Bc4 $1 $14) ({Predecessor:} 11. Bb5 c6 12. Bc4 Rf8 13. Qxd4 h6 14. Nxf6+ Nxf6 15. Qxd8 Rxd8 16. Bf4 Bf5 17. c3 {0-1 (56) Girya,O (2437)-Kulon,K (2258) Kazan 2013}) 11... h6 $11 12. Nxf6+ (12. Bxf6 {looks sharper.} Nxf6 13. c3 Nxe4 14. Bxe4 c6 15. Qb3) 12... Nxf6 13. Rxe8+ Qxe8 14. Bd2 c5 15. Nf3 {[%cal Bd4f3,Bf3e5,Be5c4,Bc4d6][%mdl 32]} b6 16. Qf1 Bb7 17. Re1 Qf8 18. Ne5 Rd8 19. Re2 Nd5 20. Qe1 {[%cal Oe5d7]} Qd6 {Prevents Nd7.} 21. a3 a6 22. Nc4 Qf6 23. Re8+ Rxe8 24. Qxe8+ Kh7 25. Qd7 Bc6 26. Qd6 (26. Qc8 $11 {should be considered.}) 26... Qxd6 (26... b5 $15 27. Qxf6 Bxf6) 27. Nxd6 Bxb2 28. Bxa6 Bxa3 29. Nxf7 Bb4 30. Bxh6 Be8 31. Nd6 Ba4 32. Bg5 Bxc2 33. Bc4 Nc3 34. Bd8 Na4 35. Bb5 Nc3 36. Bc4 ({Not} 36. Bxb6 c4 37. Bxc4 Bxd6 $17) 36... Na4 $1 37. Bb5 Nc3 {Weighted Error Value: White=0.11 (very precise) /Black=0.08 (flawless)} 1/2-1/2

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.02.03"]
[Round "10.7"]
[White "Haria, Ravi"]
[Black "Girya, Olga"]
[Result "1-0"]
[ECO "C83"]
[WhiteElo "2490"]
[BlackElo "2416"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,105,29,2,16,15,4,19,27,0,76,90,77,47,64,56,108,77,69,16,69,55,54,14,9,0,120,91,162,142,247,257,277,161,248,229,235,204,366,340,324,129,150,142,427,396,437,434,434,420,408,413,389,280,274,274,283,295,250,241,275,247,393,393,386,378,367,360,394,391,390,397,400,404,382,354,431,423,462,469,510,510,508,493,476,463,673,643,625,608]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Bc2 Bg4 {C83: Open Ruy Lopez: 9 c3 Be7.} 11. Qe1 {[#]} Bxf3 $146 ({Predecessor:} 11... Nc5 12. Nd4 Nxd4 13. cxd4 Ne6 14. Qd2 O-O 15. Nc3 f5 16. Qd3 Kh8 17. Bb3 c6 18. h3 {½-½ (46) Vachier Lagrave,M (2779)-Giri,A (2779) Zagreb 2019}) 12. gxf3 {[%cal Bg2f3,Bf3f4][%mdl 32]} Nc5 {The position is equal.} (12... Nxe5 $2 13. Qe2 $18) 13. b4 Ne6 {[#]} (13... Na4 $1 $11 {remains equal.}) 14. f4 $1 $16 g6 15. Qe2 Bf8 16. a4 Rb8 (16... Ne7 $1 $14) 17. axb5 axb5 18. Kh1 (18. f5 $14 gxf5 19. Bxf5) 18... Qh4 ({Better is} 18... Ne7 $1 $11) 19. Qf3 Ne7 20. Qg3 (20. Rg1 $5 {[%cal Rg1g3]}) 20... Qh5 21. f3 Nf5 (21... Bh6 $1 $11) 22. Qg4 {[#] Qxh5 is the strong threat.} Qh6 (22... Nfg7 $16) 23. Na3 (23. Bxf5 gxf5 24. Qxf5 Rg8 $14) 23... Qg7 (23... d4 $16) 24. Bd2 $18 ({But not} 24. Bxf5 gxf5 25. Qxf5 Rg8) 24... h5 25. Qh3 (25. Qg1 $142) 25... Qh7 (25... h4 $142) 26. Bd3 c6 27. Nc2 Bh6 $2 (27... Rb7 28. Nd4 Nexd4) 28. Bxf5 gxf5 29. Nd4 $2 (29. Qh4 $18 {is more deadly.}) 29... Nxd4 $16 30. cxd4 {aiming for Ra7.} Qg6 $2 {[%mdl 8192] Loses the game.} (30... Bf8 $16 {is a better defense.} 31. Ra7 Rg8) 31. Rg1 $18 Qe6 32. Qxh5 Kf8 33. Ra7 Bg7 34. Qg5 Rh7 35. Rga1 Qh6 36. Qxh6 Rxh6 37. Rc7 {Threatens to win with Raa7.} Kg8 38. Raa7 Rf8 39. Be1 Bh8 (39... Rg6 {might work better.} 40. Bh4 Bh6) 40. Kg2 Bg7 41. Bg3 Rg6 42. Ra6 Re8 43. Rcxc6 Rxc6 44. Rxc6 {[%mdl 4096] Endgame KRB-KRB} Rb8 45. Be1 Bf8 46. Rc7 {Prevents Be7.} Ra8 47. Rb7 {White is clearly winning.} Ra2+ 48. Kg3 Ra1 49. Bf2 Bxb4 50. Rxb5 Bd2 51. Rxd5 Kg7 (51... Ra6 $142 52. Rd8+ Kg7) 52. Rd6 Ra2 53. h4 {Weighted Error Value: White=0.19 (very precise) /Black=0.40} 1-0

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.02.03"]
[Round "10.8"]
[White "Cheng, Bobby"]
[Black "Houska, Jovanka"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "2550"]
[BlackElo "2365"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,77,0,25,38,20,18,29,18,12,2,15,0,13,14,20,0,0,0,0,-2,20,16,17,15,14,14,15,16,12,8,18,12,16,-4,28,12,31,11,27,0,29,0,21,17,4,-11,144,139,137,161,325,336,354,283,335,329,672,662,658,654,823,685,2328,885,870,861,1352,1352,1471,1234]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Bb4+ 5. Bd2 Bd6 6. Bg2 {E01: Catalan: Early deviations.} c6 7. O-O Nbd7 8. b3 {White has an edge.} Ne4 9. Bc1 O-O 10. Qc2 Qe7 {is the legacy move (10...f5).} 11. Bb2 f5 12. Nc3 {Inhibits b5.} b6 13. Rfd1 {[#]} Bb7 $146 ({Predecessor:} 13... a5 14. a4 Bb7 15. e3 Ndf6 16. Ne5 Bxe5 17. dxe5 Ng4 18. Rf1 Qg5 19. Ne2 Qe7 {1-0 (36) Siva,M (2352)-Sardana,R (2403) Abu Dhabi 2016}) 14. e3 Nxc3 15. Qxc3 a5 16. Qc2 Rac8 17. Rac1 Ba6 18. Qb1 Rfd8 19. Rc2 h6 20. Rdc1 Qe8 21. Qa1 Bf8 (21... a4 $5) 22. Ne1 Kh7 23. Nd3 g5 24. f3 dxc4 25. bxc4 c5 $1 26. f4 cxd4 27. Bxd4 b5 $2 (27... Ba3 $11 28. Bb2 Qf8) 28. c5 $16 {White is much more active.} b4 29. Nf2 {Hoping for c6.} e5 $2 (29... gxf4 {was worth a try.} 30. c6 (30. gxf4 Qg6 $16) (30. exf4 Nb8 $18) 30... fxe3) 30. fxe5 $18 {[#] Black must now prevent c6.} Bg7 {[%cal Rd7e5]} 31. e6 Bxd4 32. exd7 ({And not} 32. Qxd4 Nxc5 33. Qa1 Nxe6 $11) ({Weaker is} 32. exd4 Qxe6 33. c6 Nb6 $18) 32... Qxe3 (32... Bxa1 33. dxe8=R Rxe8) 33. dxc8=Q {White is clearly winning.} Rxc8 {[#]} 34. Re1 {[%mdl 512] aiming for Qd1.} Qd3 (34... Qxf2+ 35. Rxf2) 35. Qd1 a4 36. Qxd3 Bxd3 37. Rd2 Rd8 38. c6 Ba6 39. Red1 {Weighted Error Value: White=0.13 (very precise) /Black=0.34} 1-0

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.02.03"]
[Round "10.9"]
[White "Bellahcene, Bilel"]
[Black "Sebag, Marie"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2512"]
[BlackElo "2460"]
[Annotator "TA"]
[PlyCount "117"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,117,11,26,13,29,31,12,0,43,27,16,27,42,40,62,51,38,51,59,35,26,0,133,129,113,122,110,112,115,77,110,81,86,64,85,55,62,68,73,54,77,0,0,0,26,16,135,0,0,0,202,0,0,0,11,0,192,195,192,212,243,215,244,254,298,285,270,213,229,208,241,270,242,198,195,187,181,173,174,181,258,161,271,271,266,266,284,259,268,285,423,433,428,397,1065,1019,1326,1872,4622,2053,2583,2419,1879,908,4618,2901]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. h3 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} Nbd7 9. g4 h6 10. Qd2 {The position is equal.} b5 (10... Be7 $11) 11. Bg2 $1 $14 Rc8 12. Nd5 {Prevents Nb6.} Bxd5 13. exd5 {[#]} Nb6 $146 ({Predecessor:} 13... Qc7 14. O-O g5 15. c3 Be7 16. Nc1 Nf8 17. Ne2 Ng6 18. Ng3 Nh4 19. a4 Rb8 20. axb5 axb5 {0-1 (52) Manea,A (2262)-Irodenka,R (2084) Deva 1999}) 14. Bxb6 Qxb6 15. Na5 {Prevents Rc4.} Be7 16. Nc6 Bd8 17. Qb4 (17. a4 {seems wilder.} O-O 18. O-O e4 19. Rfd1 Re8 20. a5) 17... Qc5 (17... O-O $1 $11) 18. Qxc5 $16 dxc5 19. O-O-O Nd7 20. d6 Bh4 21. Rhf1 Kf8 22. Kb1 g6 23. a4 Kg7 24. Na7 Rb8 25. axb5 axb5 26. Bc6 {[%csl LRb5,LRd7]} Nf8 27. Bd5 (27. Bxb5 $2 Rb7 28. Nc6 Rxb5 $19) ({White should play} 27. d7 $16) 27... Nd7 $11 28. f4 exf4 29. Rxf4 Nf6 (29... Rhf8 $1 $11) 30. Bg2 {White is much more active.} (30. d7 $1 $16) 30... Rb6 31. Nc6 $36 {[%mdl 2048] Threatens to win with d7. White fights for an advantage.} Ra6 $2 (31... Nd7 $11 {and Black is okay.}) 32. c3 $2 ({White must play} 32. c4 $1 $18 {[%cal Rc4b5]} Bg5 33. Rff1) 32... Rha8 33. Kc2 {d7 is the strong threat.} Bg5 34. Rf2 {Black must now prevent d7.} Ra1 $2 {[#] White leaves nothing to chance now.} (34... Nd7 $11 {and Black has nothing to worry.}) 35. Rff1 $1 $18 Rxd1 36. Rxd1 {aiming for d7.} Re8 {And now ...Re2+ would win.} 37. Bf1 {Inhibits Re2+.} ({Weaker is} 37. d7 {[#]} Nxd7 $1 38. Bf1 Nf6 $11) 37... Nd7 38. Bxb5 Re3 39. Na5 Nf8 40. d7 Ne6 41. Nb7 Nd8 42. Nxd8 ({Don't take} 42. Nxc5 Rxh3 43. Ne4 Be7) 42... Bxd8 {[%mdl 4096] Endgame KRB-KRB} 43. Bf1 Kf6 44. Kb3 Re4 45. Bg2 Re2 46. Bc6 Ke6 (46... Re6 $142) 47. Bb5 Re3 (47... Re4 $142 48. Bc6 Rf4) 48. Kc4 Re5 49. Bc6 h5 50. Kb5 hxg4 51. hxg4 f5 (51... Ke7 {is a better defense.} 52. Bd5 Kxd7 53. Bxf7+ Kc7 54. Bxg6 Re6) 52. gxf5+ gxf5 53. Ka6 Re2 $2 (53... c4 54. Kb7 Ke7) 54. b4 {[%cal Bb2b4,Bb4b5][%mdl 32] White is clearly winning.} Rc2 55. b5 Rxc3 56. Kb7 (56. Re1+ $142 Kd6 57. Kb7) 56... f4 57. Kc8 Ke7 58. Rh1 {White threatens Rh7+ and mate.} Rg3 59. Rh8 {Weighted Error Value: White=0.17 (very precise) /Black=0.38} 1-0

[Event "GibChess Battle of the Sexes 2022"]
[Site "Caleta"]
[Date "2022.02.03"]
[Round "10.10"]
[White "Bwalya, Gillan"]
[Black "Mammadzada, Gunay"]
[Result "1/2-1/2"]
[ECO "E22"]
[WhiteElo "2404"]
[BlackElo "2470"]
[Annotator "TA"]
[PlyCount "163"]
[EventDate "2022.01.01"]
[EventType "schev"]
[EventCountry "GGB"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,163,19,25,24,24,20,14,16,34,10,40,26,25,25,39,43,37,45,44,32,81,81,81,73,148,129,124,26,24,-2,-4,-4,-5,-21,-30,-29,0,-5,0,-4,-12,-13,-11,-11,-10,-11,-8,-20,0,-6,4,-8,0,0,0,0,0,-87,0,-3,0,-7,0,-7,-7,-124,-121,-123,-124,-125,-124,-121,-114,-125,-118,-128,-122,-125,-120,-125,-125,-125,-108,-109,-101,-116,-109,-116,-117,-118,-110,-124,-116,-132,-122,-135,-107,-135,0,-117,-104,-116,-102,-120,-97,-106,-95,-95,-95,-95,-95,-104,-72,-79,-72,-79,-77,-89,-81,-97,-78,-124,-111,-121,-95,-126,-78,-133,-126,-263,-258,-255,-245,-376,-227,-352,-323,-316,-227,-206,-134,-127,-80,-80,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 a5 5. a3 Bxc3+ 6. Qxc3 {E22: Nimzo-Indian: 4 Qb3.} O-O 7. Bg5 d6 8. e3 b6 9. Bd3 Bb7 10. f3 Nbd7 11. Ne2 {[#]} Rc8 $146 ({Predecessor:} 11... c5 12. O-O Qc7 13. Rfd1 Rfc8 14. Rac1 h6 15. Bh4 Bc6 16. e4 cxd4 17. Nxd4 Qb7 {1-0 (40) Yoo,C (2485)-Zhigalko,S (2572) Chess.com INT 2021}) 12. b4 h6 13. Bh4 c5 14. O-O cxb4 (14... cxd4 $14 {was preferrable.} 15. Qxd4 (15. exd4 Ba6 $11) (15. Nxd4 Ne5 $11) 15... Ne5) 15. axb4 $16 Ba6 {[%cal Oa6c4]} 16. Qb3 Re8 (16... d5 $142 17. cxd5 Bxd3 18. Qxd3 exd5) 17. bxa5 bxa5 18. Be1 {White is much more active.} ({White should try} 18. Rfc1 $16) 18... Qb6 $1 $11 19. Qxb6 Nxb6 20. Bxa5 {[#]} Bxc4 $1 21. Rfd1 (21. Bxc4 Nxc4) 21... Bxd3 22. Rxd3 Rc2 23. Rd2 {[#]} Rec8 {Threatens to win with ...Rxd2.} 24. Rad1 (24. Rxc2 Rxc2) 24... Rxd2 25. Rxd2 Nc4 {[%csl LRa5,LRd2,LRe3]} 26. Rc2 d5 27. Bd2 Rb8 28. Kf2 Rb3 29. Bc1 Nd7 30. Rc3 Rb5 31. Rc2 Ra5 32. Bd2 {[%cal Oc2c4] Hoping for Rxc4!} Ra1 33. Bc3 {[#]} (33. h4 $11 {keeps the balance.}) 33... Ra3 ({Better is} 33... Rf1+ $1 $17 34. Kxf1 Nxe3+ 35. Ke1 Nxc2+ 36. Kd2 Na3) 34. Bd2 Nb8 35. Bc1 Ra1 36. Bd2 Nc6 37. Bc3 {[#]} (37. h4 $11) 37... Rf1+ $3 $17 {[%mdl 512]} 38. Kxf1 Nxe3+ 39. Ke1 Nxc2+ {[%mdl 4096] Endgame KBN-KNN} 40. Kd2 Na3 41. Kd3 Nb5 {Pair of Knights!} 42. Bd2 Kf8 43. Be1 Ke7 44. Bd2 Kd6 45. Be1 Na3 46. Bg3+ Kd7 47. Be1 Nc4 48. Bc3 Ke7 49. Be1 Nd6 50. Bd2 Nf5 51. Be1 {Inhibits Nh4.} h5 52. Bf2 Kf6 53. Nc3 Ke7 54. Ne2 $1 Kd7 55. Nf4 g6 56. Ne2 Kd6 57. Nc3 e5 {[%cal Rf5d4]} 58. Nb5+ Kd7 {White must now prevent ...Nfxd4.} 59. dxe5 Nxe5+ 60. Kc3 Nd6 61. Nd4 Nc6 62. Ne2 Nf5 63. Kd3 Kd6 64. Kd2 h4 65. g4 (65. Kc3 $142) 65... hxg3 $1 66. hxg3 Ne5 67. Ng1 Ng7 (67... Ke6 $142 68. f4 Ng4) 68. Ke2 (68. f4 $142 Nc6 69. Nf3) 68... Ne6 69. Nh3 (69. f4 $17 Nc6 70. Kd3) 69... d4 $19 {[%cal Bd5d4,Bd4d3][%mdl 32]} 70. Be1 Kd5 71. Nf2 (71. g4 {might work better.}) 71... f5 {[%cal Od4d3] Strongly threatening ...d3+!} 72. Bd2 (72. f4 {was worth a try.} Nc4 73. Nd3) 72... Nc5 73. Nd1 d3+ 74. Kf2 Nb3 75. Bh6 Nd4 (75... Na5 $142 76. Ne3+ Kc5 77. Bf8+ Kc6) 76. Nb2 $17 Nc2 (76... d2 $17 {[%cal Oe5d3] aiming for ...Nd3+!} 77. Bxd2 Ndxf3) 77. Bf4 $11 {The position is equal.} d2 78. Bxd2 Nd4 79. f4 Nc4 80. Nxc4 Kxc4 81. Ba5 Kd3 82. Bb6 {White happily takes the draw.  Weighted Error Value: White=0.16 (very precise) /Black=0.13 (very precise)} 1/2-1/2

