[Event "FIDE Grand Prix-I Pool-D 2022"]
[Site "Berlin"]
[Date "2022.02.04"]
[Round "1.1"]
[White "So, Wesley"]
[Black "Dominguez Perez, Leinier"]
[Result "1/2-1/2"]
[ECO "D20"]
[WhiteElo "2772"]
[BlackElo "2752"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2022.02.04"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,68,33,37,26,78,44,54,56,39,37,40,14,37,37,48,37,37,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,58]} 1. d4 d5 2. c4 dxc4 3. e4 (3. Nf3 Nf6 4. e3 e6 5. Bxc4 a6 6. O-O c5 7. dxc5 Bxc5 8. Qxd8+ Kxd8 9. Be2 Ke7 10. Nbd2 b6 11. Nc4 Nc6 12. Bd2 b5 13. Nce5 Nxe5 14. Nxe5 Bb7 15. Rfc1 Bd6 16. Nc6+ Bxc6 17. Rxc6 Rhc8 18. Rac1 Rxc6 19. Rxc6 {½-½ (37) So,W (2778)-Dominguez Perez,L (2760) Saint Louis 2021}) 3... b5 4. a4 c6 5. axb5 cxb5 6. Nc3 {D20: Queen's Gambit Accepted: 3 e3 and 3 e4.} Qb6 $1 {[%mdl 4] outshines the older 6...Bd7.} (6... a6 $1 $11 {remains equal.}) 7. b3 (7. Nd5 $5 {[%cal Rd5b6]} Qc6 8. Bf4 $16) 7... e6 $1 8. bxc4 {[#] Hoping for c5. White is slightly better.} Bb4 9. Bd2 bxc4 10. Nf3 Ne7 11. Bxc4 O-O 12. O-O a5 $1 {[#]} 13. d5 $146 ({Predecessor:} 13. Na4 Qd6 14. e5 Qc7 15. Rc1 Nbc6 16. Ng5 h6 17. Ne4 Bxd2 18. Qxd2 Rd8 19. Nd6 Rxd6 20. exd6 Qxd6 {½-½ (63) Theodorou,N (2566)-Hong,A (2453) Las Vegas 2021}) 13... Ba6 $1 {The position is equal.} 14. Na4 Qd8 15. Bxa6 Rxa6 16. dxe6 Rxe6 17. Bxb4 axb4 18. Qxd8 Rxd8 19. Nc5 Rc6 20. Rfc1 Rdc8 21. Nb3 Rxc1+ 22. Rxc1 Rxc1+ 23. Nxc1 $11 {[%mdl 4096] Endgame KNN-KNN} f5 24. exf5 Nxf5 25. Kf1 Nc6 26. Ke2 Kf7 27. Kd3 Nd6 28. Ne2 Kf6 29. Ned4 Nxd4 30. Nxd4 Nf5 31. Nf3 Nd6 32. Nd4 Nf5 33. Nf3 Nd6 34. Nd4 Ke5 {Weighted Error Value: White=0.04 (flawless) /Black=0.04 (flawless)} (34... g6 $11) 1/2-1/2

[Event "FIDE Grand Prix-I Pool-D 2022"]
[Site "Berlin"]
[Date "2022.02.04"]
[Round "1.1"]
[White "Shirov, Alexei"]
[Black "Harikrishna, Pentala"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2704"]
[BlackElo "2717"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2022.02.04"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,61,36,41,46,80,13,16,7,17,20,20,17,12,21,23,14,14,12,17,21,9,9,10,10,15,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c6 {[%cal Bc7c6,Bc6c5][%mdl 32]} 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 c5 6. Be3 Qb6 7. Nc3 Nc6 ({Resist} 7... Qxb2 8. Nb5 $16) 8. O-O {Strongly threatening dxc5. B12: Caro-Kann: Advance Variation.} Qxb2 9. Qe1 (9. Nb5 $16) 9... cxd4 $11 ({Don't take} 9... Bxc2 10. dxc5 Bg6 11. a3 $16) 10. Bxd4 Nxd4 (10... Qxc2 $2 11. Rc1 Qb2 {[#]} 12. Nxd5 $1 {[%mdl 512]} Qxc1 13. Nc7+ Kd7 14. Qxc1 $18) (10... Bxc2 $2 11. Nb5 Nxd4 12. Nfxd4 $18) 11. Nxd4 Bb4 12. Rb1 $1 {12.Rb1 is better than 12.Ndb5.} Bxc3 {This bishop pair is nice.} 13. Rxb2 Bxe1 14. Rxe1 b6 {The position is equal.} 15. h4 {Black must now prevent g4.} h5 {Inhibits g4.} 16. Nxf5 exf5 17. c4 Ne7 18. Rd2 O-O-O 19. f4 dxc4 20. Rxd8+ Rxd8 21. Bxc4 {[%mdl 4096] Endgame KRB-KRN} Nd5 22. Rc1 {[#] And now Bxd5+ would win.} Kb7 $1 (22... Nxf4 $2 23. g3 Rd4 24. gxf4 $18) 23. g3 Rd7 $1 {[#]} 24. Rd1 $146 ({Predecessor:} 24. Be2 g6 25. Bf3 Rd8 26. Kf2 Rd7 27. a3 Rd6 {1-0 (27) Boni,R (2082)-Doknjas,J (2185) LSS email 2018}) 24... Kc6 25. a4 {Hoping for Bb5+.} Kc5 26. Bb3 a6 27. Kf2 Kc6 28. Rc1+ Kb7 29. Rd1 Kc6 30. Rc1+ Kb7 31. Rd1 {Weighted Error Value: White=0.07 (flawless) /Black=0.02 (flawless)} 1/2-1/2

[Event "FIDE Grand Prix-I Pool-D 2022"]
[Site "Berlin"]
[Date "2022.02.05"]
[Round "2.7"]
[White "Shirov, Alexei"]
[Black "Dominguez Perez, Leinier"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2704"]
[BlackElo "2752"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2022.02.04"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,76,7,4,0,0,0,0,0,-2,3,4,0,4,0,10,24,30,0,0,0,0,0,0,0,0,0,0,-51,-17,-47,13,0,0,0,63,0,118,112,121,-45,-26,-111,-116,-110,-112,-154,-155,-233,-213,-302,-292,-282,-285,-374,-360,-500,-500,-364,-168,-686,-652,-1227,-1220,-1649,-1601,-1549,-1566,-6257,-2592]} 1. e4 c5 2. Nc3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Qd2 g6 6. b3 {B23: Closed Sicilian: Lines without g3.} Bh6 7. f4 Nf6 {White should prevent ...e5.} 8. Bb2 {The position is equal.} O-O 9. O-O-O e5 10. g3 {[%cal Bg2g3,Bg3g4][%mdl 32]} Re8 11. Kb1 Nd4 {[%cal Ob7b5]} 12. Bg2 Bg4 {Inhibits Nf3.} 13. Rf1 (13. Re1 $5 {[%cal Rh2h3]}) 13... d5 {[#]} 14. h3 $146 ({Predecessor:} 14. exd5 Bf5 15. Rc1 b5 16. Nge2 b4 17. Na4 Nxd5 18. Nxd4 exd4 19. Bxd4 Qa5 20. Rhe1 {0-1 (64) Di Nicolantonio,L (2408)-Lamard,G (2452) Paris 2019}) 14... Be6 15. g4 {aiming for g5.} Nxe4 16. Nxe4 dxe4 17. Bxe4 Rc8 {Hoping for ...f5.} 18. Qd3 (18. g5 $11 Bf8 19. fxe5) 18... Qa5 $15 19. f5 $1 {[#]} Bd5 (19... Rxc2 $2 20. fxe6 Rxe6 21. Nf3 $18) ({Black should play} 19... Nxc2 $1 $15 20. Qf3 (20. fxe6 Nb4 $11) 20... Na3+ 21. Ka1 (21. Bxa3 Qxa3 22. Ne2 Red8 $11) 21... Rf8) 20. Rh2 Bxe4 {Really sharp!} 21. Qxe4 Nb5 (21... Qa6 $11 22. Re1 Qc6) 22. Qxb7 (22. fxg6 fxg6 23. Qxb7 (23. Qd5+ Kh8 $11) 23... Nc3+ 24. Bxc3 Qxc3 $11) (22. Ne2 $14) 22... Nd6 (22... Qb4 $11 23. Qd5 Rcd8) 23. Qf3 $1 $16 e4 24. Qd1 (24. Qf2 $1 $16 {[%cal Rf2d4]} Qd5 25. fxg6 (25. Qxa7 Nb5 $14) 25... hxg6 26. h4 (26. Qxa7 Nb5 $17) (26. Qf6 Kh7 $16)) 24... Nb5 $15 {Threatens to win with ...Nc3+.} 25. c4 (25. g5 $11 {keeps the balance.} Bxg5 26. fxg6 hxg6 27. Rhf2) 25... Nc3+ $17 26. Bxc3 Qxc3 27. Rc2 {[#]} (27. fxg6 $142 hxg6 28. Rc2) 27... Qe5 $1 {[%mdl 1024] Black has strong compensation. Black is much more active.} 28. Qd5 {[#]} (28. f6 $17 {is a better defense.}) 28... Qf6 $1 $19 {And now ...Bg7 would win.} 29. a3 ({Not} 29. Rcf2 $2 Bg7 30. fxg6 Qa1+ 31. Kc2 Qc3+ 32. Kb1 Red8 33. Qxf7+ (33. gxf7+ Kf8 34. Rc1 Qa1+ 35. Kc2 Qb2+ 36. Kd1 Rxd5+ 37. Ke1 Qxc1+ 38. Ke2 Rd3 39. Rh2 Qc2+ 40. Kf1 Rd1#) 33... Kh8 34. Qxg7+ Qxg7 $19) (29. g5 {was necessary.} Bxg5 30. Ne2) 29... Bg7 {[%csl Gg7][%cal Rf6a1]} 30. Ka2 {Inhibits Qa1+.} Rcd8 {[%cal Bc8d8,Bd8d3,Bd3d2,Bd2e2][%mdl 32]} 31. Qa5 Rd3 32. Ne2 Rb8 33. b4 Rbd8 $40 {[%mdl 128] Black has strong attack.} (33... Rxh3 34. Qxa7 Rd8 35. Rfc1 $17) (33... e3 $142 {Strongly threatening ...Rd2.} 34. g5 Qxg5) 34. b5 $2 (34. g5 Qd6 35. f6) 34... e3 {...Rd2 is the strong threat. Black is clearly winning.} 35. Rfc1 Rd2 36. Kb3 R8d3+ 37. Rc3 Qd6 ({Weaker is} 37... Rxe2 38. Rxd3 Qb2+ 39. Ka4 $17) 38. Qxa7 Rxe2 {Weighted Error Value: White=0.84/Black=0.15 (very precise)} 0-1

[Event "FIDE Grand Prix-I Pool-D 2022"]
[Site "Berlin"]
[Date "2022.02.05"]
[Round "2.8"]
[White "Harikrishna, Pentala"]
[Black "So, Wesley"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2717"]
[BlackElo "2772"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2022.02.04"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,97,12,8,0,0,0,3,-7,0,-3,1,0,0,0,0,0,7,4,12,8,0,0,19,8,18,20,28,18,49,42,50,34,24,36,74,79,79,73,73,76,76,76,72,34,42,40,41,41,43,27,39,20,51,30,33,31,37,30,30,30,30,30,30,30,40,40,40,30,30,30,40,30,30,30,30,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 {[%cal Bg8f6,Bf6e4,Be4d6][%mdl 32]} 4. O-O Nxe4 5. Re1 Nd6 6. a4 {C67: Ruy Lopez: Berlin Defence: 4 0-0 Nxe4.} (6. Nxe5 Be7 7. Bf1 Nf5 8. Nf3 d5 9. d4 O-O 10. Nc3 Nh4 11. Nxh4 Bxh4 12. Bf4 Bf5 13. Bd3 Nxd4 14. Bxf5 Nxf5 15. Qxd5 Qxd5 16. Nxd5 c6 17. Ne3 Nxe3 18. Bxe3 {½-½ (47) Harikrishna,P (2730)-So,W (2772) chess24.com INT 2021}) 6... Be7 7. Nc3 {To avoid e4} a6 8. Bf1 e4 9. Nxe4 Nxe4 10. Rxe4 d5 11. Re1 Bg4 {[#]} 12. h3 $146 ({Predecessor:} 12. c3 d4 13. d3 O-O 14. Be2 Bf5 15. Bf4 Re8 16. Rc1 Bd6 17. Qd2 Bc5 18. Bf1 {0-1 (84) Deac,B (2639)-Oparin,G (2654) Krasnaya Polyana 2021}) 12... Bh5 13. Be2 {[%cal Of3e5]} O-O 14. d4 {[%cal Bd2d4,Bd4e5][%mdl 32]} Bd6 15. Ne5 Bxe2 16. Rxe2 {[%cal Be1e2,Be2d2,Bd2d3][%mdl 32]} Nxe5 17. dxe5 Be7 18. Rd2 {[%cal Oc2c4]} c6 19. c4 $1 {[%cal Rc4d5]} Qa5 20. cxd5 cxd5 21. Rd3 Rfd8 {[%cal Od5d4]} 22. Be3 Rac8 23. Qb3 {[#] aiming for Bb6.} Qb4 24. Qxb4 Bxb4 25. Rad1 Kf8 26. Rxd5 Rxd5 27. Rxd5 $16 {[%mdl 4096] Endgame KRB-KRB} Ke7 {Inhibits Rd7+.} 28. Rd4 a5 29. Rh4 h6 30. Rg4 Kf8 31. Kf1 Rc2 32. b3 Bc5 33. Re4 Bxe3 34. Rxe3 $11 {KR-KR} Ke7 35. f4 g6 36. Rd3 b5 37. axb5 {[%cal Ob3b4]} Rc5 38. Kf2 Rxb5 39. Kf3 h5 40. g4 hxg4+ 41. hxg4 Ke6 {[%cal Og6g5]} 42. Kg3 {Threatens to win with Kh4.} g5 {The position is equal.} 43. fxg5 Rxe5 44. Kh4 Ke7 45. Rf3 Re4 46. g6 fxg6 47. Kg5 a4 48. bxa4 Rxa4 49. Kxg6 {Weighted Error Value: White=0.04 (flawless) /Black=0.04 (flawless)} 1/2-1/2

[Event "FIDE Grand Prix-I Pool-D 2022"]
[Site "Berlin"]
[Date "2022.02.06"]
[Round "3.7"]
[White "Dominguez Perez, Leinier"]
[Black "Harikrishna, Pentala"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2752"]
[BlackElo "2717"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2022.02.04"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,65,6,10,6,2,8,15,8,0,18,20,20,12,22,0,16,26,20,14,21,0,7,0,12,2,23,7,7,8,15,0,9,7,6,4,11,0,35,0,0,0,0,-11,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nd2 e6 5. Nb3 Nd7 6. Nf3 Qc7 {B12: Caro-Kann: Advance Variation.} 7. Be2 c5 8. dxc5 {8.c3 gains popularity.} Bxc5 9. Nxc5 Nxc5 {[#]} 10. Be3 $146 ({Predecessor:} 10. O-O Ne7 11. Bb5+ Nd7 12. Nd4 Bg6 13. f4 O-O 14. c3 Nc5 15. Be3 a6 16. Be2 {0-1 (67) Bjerre,J (2550)-Keymer,V (2602) chess24.com INT 2021}) 10... Ne7 11. Nd4 {Black should prevent Nb5.} a6 {To avoid Nb5} 12. a4 Rc8 13. f4 Be4 14. O-O Nf5 15. Nxf5 exf5 16. c3 O-O 17. a5 Qc6 18. Bd4 h6 19. Rf2 Ne6 20. Ra4 Qc7 21. Bb6 {A strong pair of Bishops.} Qe7 22. Bf3 Rc6 23. g3 f6 24. Bxe4 dxe4 {The position is equal.} 25. exf6 Qxf6 26. Qd5 Qf7 27. Rc4 Rxc4 28. Qxc4 Qd7 29. Be3 Qd1+ 30. Rf1 Qd7 31. Rf2 Qd1+ 32. Rf1 Qd7 33. Rf2 {An interesting draw.  Weighted Error Value: White=0.05 (flawless) /Black=0.05 (flawless)} 1/2-1/2

[Event "FIDE Grand Prix-I Pool-D 2022"]
[Site "Berlin"]
[Date "2022.02.06"]
[Round "3.8"]
[White "So, Wesley"]
[Black "Shirov, Alexei"]
[Result "1-0"]
[ECO "D12"]
[WhiteElo "2772"]
[BlackElo "2704"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2022.02.04"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,99,35,33,36,0,19,14,63,0,29,21,19,12,24,25,18,18,18,20,23,16,22,12,23,20,14,14,35,39,37,26,38,16,14,20,24,0,56,56,68,55,83,83,89,80,104,109,110,102,105,96,141,138,141,138,145,144,133,138,139,128,127,144,145,134,199,215,195,206,280,297,275,288,274,276,290,312,344,317,327,304,335,333,320,328,316,207,1037,985]} 1. c4 c6 2. Nf3 d5 3. d4 Nf6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Be4 7. f3 Bg6 {D12: Slav Defence: 3 Nf3 Nf6 4 e3 Bf5.} 8. Bd2 dxc4 9. Bxc4 {[#]} b5 $146 (9... a6 $11) ({Predecessor:} 9... a6 10. Qe2 b5 11. Nxg6 hxg6 12. Bd3 Nbd7 13. O-O-O c5 14. Bc2 Qc7 15. Kb1 Rxh2 16. Rxh2 Qxh2 {½-½ (51) Bernal Varela,N (2493)-Wosch,A (2429) FICGS email 2020}) 10. Bb3 Bd3 11. Bc1 Bc4 12. Bxc4 bxc4 13. g3 c5 14. Qa4+ Nbd7 15. Qxc4 cxd4 16. Qxd4 Bc5 17. Qc4 Rc8 {[%cal Oc5e3]} 18. Qe2 Ne5 19. O-O {[%cal Be1g1,Bg1f1,Bf1e2][%mdl 32]} Qd3 20. Qxd3 Nxd3 21. Ng2 $1 Ke7 22. Rd1 Rhd8 23. Kf1 Bb4 24. Ne2 {[%cal Bc3e2,Be2d4,Bd4b3][%mdl 32]} Ne5 ({Black should try} 24... g5 $11) 25. Rxd8 $14 Rxd8 26. Nd4 Bc5 {[#]} 27. Nb3 {White now steadily converts the win.} Bb6 28. Ke2 Nd5 29. e4 Nb4 30. Bd2 a5 31. Bc3 Nc4 (31... Nbc6 $142) 32. a4 (32. Bxg7 $6 a4 33. Bc3 Nc2 $14) 32... Nd3 33. Rb1 f6 34. Ne1 Nde5 35. Rc1 g5 36. f4 $36 {[%mdl 2048] White is really pushing.} gxf4 37. gxf4 Ng6 38. Nd3 {[%cal Oc3f6] Hoping for Bxf6+!} Be3 (38... e5 $16) 39. Rf1 $18 Bb6 40. f5 exf5 41. Rxf5 Rd6 42. Rh5 (42. Bxa5 Nxa5 43. Nxa5 Re6 $16) (42. Nxa5 Bxa5 43. Bxa5 Rd4 44. Bb4+ Ke8 $18) 42... Re6 43. Rxh7+ Kd6 44. Kf3 Kc6 45. Nf4 Nxf4 46. Kxf4 Rd6 47. Rf7 Ne5 48. Rg7 (48. Nxa5+ Bxa5 49. Bxe5 fxe5+ 50. Kxe5 Rd2 $11) ({Less strong is} 48. Bxe5 fxe5+ 49. Kg4 (49. Kxe5 Rd3 $16) 49... Rg6+ 50. Kf5 Rg2 $16) 48... Rd1 {[#] White must now prevent ...Rf1+.} 49. Nxa5+ Kd6 $2 (49... Bxa5 50. Bxa5 Rf1+ 51. Ke3 Rf3+ 52. Kd2 (52. Ke2 Rf4 $18) 52... Nc4+ 53. Ke2 Re3+ 54. Kf2 Rxe4) 50. Bb4+ {Weighted Error Value: White=0.06 (flawless) /Black=0.11 (very precise)} 1-0

[Event "FIDE Grand Prix-I Pool-D 2022"]
[Site "Berlin"]
[Date "2022.02.07"]
[Round "4.7"]
[White "Dominguez Perez, Leinier"]
[Black "So, Wesley"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "2752"]
[BlackElo "2772"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2022.02.04"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,78,29,19,17,6,25,17,19,14,21,7,7,9,10,12,14,6,0,7,2,7,12,10,10,3,0,0,23,0,0,-8,34,0,0,0,0,-18,-37,-24,-31,-23,-36,-68,-71,-150,-125,-162,-159,-164,-157,-559,-531,-720,-715,-694,-639,-962,-945,-6036,-5983,-5983,-5923,-5732,-4882,-1221,-308,-987,-987,-952,-903]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 d6 6. c3 a5 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} (6... h6 7. b4 Bb6 8. Nbd2 O-O 9. Re1 Ne7 10. Bb3 c6 11. a4 Ng6 12. a5 Bc7 13. d4 Re8 14. dxe5 dxe5 15. Qc2 Nh7 16. Bc4 Qf6 17. g3 Bh3 18. Be2 Nf4 19. Bf1 Bxf1 20. Nxf1 Ne6 21. Kg2 Rad8 22. h4 Qg6 23. Kh1 Nf6 24. N1h2 {½-½ (47) Dominguez Perez,L (2758)-So,W (2772) Saint Louis 2021}) 7. Re1 Ba7 8. Nbd2 {8.h3 is a critical line.} O-O {The position is equal.} 9. h3 Be6 10. Bb5 Ne7 11. d4 Ng6 12. Ba4 Nh5 13. Nf1 Nhf4 14. Ng3 exd4 15. Nxd4 Bxd4 16. cxd4 d5 17. Qf3 Qf6 {[%cal Of4h3] [#] Strongly threatening ...Nxh3+!} 18. Bd1 $146 ({Predecessor:} 18. Kh2 Rad8 19. Bc2 b6 20. a3 dxe4 21. Nxe4 Qh4 22. Qg3 {½-½ (22) Willmann,B (2300)-Szabo,V (2412) LSS email 2020}) 18... Qh4 19. Bd2 c6 20. Rc1 f5 (20... Rae8 $11) 21. exf5 Bxf5 22. Nxf5 Rxf5 {[%cal Bf8f5,Bf5f2,Bf2d2][%mdl 32]} 23. Qg3 (23. Bc2 $5 {[%cal Rc2f5]} Rg5 24. g3 $15 (24. Bxg6 $2 Rxg2+ 25. Kf1 Rxg6 $19)) 23... Qxg3 24. fxg3 Nd3 {[%csl LRb2,LRc1,LRe1]} 25. Bc2 {[#]} Rf2 $1 26. Bxd3 (26. Bc3 Rxc2) 26... Rxd2 27. Bxg6 ({White should play} 27. Bf5) 27... hxg6 $15 {[%mdl 4096] Endgame KRR-KRR} 28. Re7 Rxb2 29. Rce1 {[#]} Rf8 $1 {aiming for ...Rff2.} ({Stronger than} 29... Rxa2 30. Rxb7 Kh7 31. Ree7 $11) 30. Rd7 $2 {Now White is beyond hope.} (30. R1e2 $17 Rxe2 31. Rxe2) 30... Rff2 $19 31. Ree7 Rxg2+ 32. Kf1 Kh7 33. h4 Kh6 34. Re5 Rbf2+ 35. Ke1 Rxa2 {[%cal Rg2g1]} 36. Kf1 {To avoid Rg1+} Rh2 {[%cal Rh2h1]} 37. Kg1 {Inhibits Rh1+.} Rag2+ 38. Kf1 Rb2 {[%cal Rh2h1]} 39. Kg1 {Prevents Rh1+.} Rhd2 {Weighted Error Value: White=0.82/Black=0.32} 0-1

[Event "FIDE Grand Prix-I Pool-D 2022"]
[Site "Berlin"]
[Date "2022.02.07"]
[Round "4.8"]
[White "Harikrishna, Pentala"]
[Black "Shirov, Alexei"]
[Result "1/2-1/2"]
[ECO "C88"]
[WhiteElo "2717"]
[BlackElo "2704"]
[Annotator "TA"]
[PlyCount "152"]
[EventDate "2022.02.04"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,152,13,12,4,14,26,24,25,9,18,15,20,11,18,23,18,20,31,35,41,6,30,15,27,19,30,23,38,28,21,17,18,0,0,0,0,0,0,0,61,28,83,0,25,0,42,43,37,38,35,17,37,35,50,38,48,14,85,85,89,103,103,118,112,89,169,74,81,70,70,70,66,52,69,8,8,0,0,2,8,0,3,0,8,12,22,8,8,8,8,8,8,8,8,8,8,8,8,8,8,0,0,0,15,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 {[%cal Bf1b5,Bb5a4,Ba4b3,Bb3a2,Ba2c4][%mdl 32]} a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. a4 b4 9. d3 {9.d4 deserves study.} d6 10. Nbd2 Na5 {C88: Closed Ruy Lopez: Anti-Marshall Systems.} 11. Ba2 Re8 12. c3 {[#]} Rb8 $146 {White has an edge.} ({Predecessor:} 12... Nd7 13. h3 bxc3 14. bxc3 Nc5 15. Nc4 Nxc4 16. Bxc4 Be6 {½-½ (16) Lau,R (2500)-Hort,V (2545) Germany 1991}) 13. Nc4 (13. d4 {is more complex.} Nc6 14. Nb3 bxc3 15. bxc3 Bf8 16. d5) 13... Nxc4 14. Bxc4 bxc3 15. bxc3 c6 16. h3 d5 17. Ba2 Bd6 18. Bg5 Be6 19. Qc2 h6 20. Bh4 dxe4 21. dxe4 Bc7 22. Red1 Qe7 23. Bxe6 Qxe6 24. Bxf6 Qxf6 25. Rd7 Re7 26. Rd3 Qe6 27. Qe2 Qb3 28. Rad1 {[%cal Ba1d1,Bd1c1,Bc1c4][%mdl 32] Black must now prevent Nh4.} Qb2 (28... Bb6 $11) 29. R3d2 (29. R1d2 $5 {[%cal Rd2b2]} Qc1+ 30. Kh2 $14) 29... Qxc3 {[#]} (29... Qb3 $11) 30. Qxa6 (30. Nh4 $1 $16 {[%cal Rh4f5]}) 30... g6 31. Qe2 Qb4 (31... Rb4 $11 {feels stronger.}) 32. Ra2 Rd8 33. Rc1 Re6 34. Qc4 (34. Nd2 {seems wilder.} Ba5 35. Nc4 Kg7 36. Kh2 h5 37. Qc2) 34... Rd1+ 35. Kh2 Qxc4 36. Rxc4 Ba5 37. g3 f5 (37... f6 $11 {keeps the balance.}) 38. Re2 $16 fxe4 39. Rcxe4 c5 40. Rxe5 Rxe5 41. Nxe5 {[%mdl 4096] Endgame KRB-KRN} Ra1 (41... Kg7 $16) 42. Re4 (42. Nxg6 $18 Rxa4 43. Rc2) 42... Kg7 43. Nd3 Ra3 44. Nxc5 {Strongly threatening Re7+.} Bb6 45. Ne6+ Kf7 $1 46. Nf4 ({White should try} 46. Kg2 $14) 46... Bxf2 $11 {The position is equal.} 47. Ne2 {[#] aiming for Rf4+.} Be1 48. Kg2 h5 49. g4 hxg4 50. hxg4 Kf6 51. Nf4 Ba5 52. Kf2 Kg5 53. Ne6+ Kh4 54. g5+ Kh5 55. Ke2 Ra2+ 56. Kd3 Ra3+ 57. Kc2 Rc3+ 58. Kd1 {Hoping for Re5.} Ra3 59. Kc2 Rc3+ $1 60. Kb2 Rg3 61. Ng7+ Kxg5 {...Bc3+ is the strong threat.} 62. Re5+ Kf6 63. Rxa5 {And now Ne8+ would win.} Kxg7 {KR-KR} 64. Rc5 Rf3 65. a5 Kh6 66. a6 g5 {[%cal Bg6g5,Bg5g4][%mdl 32]} 67. Ra5 {Intending a7 and mate.} Rf8 68. Kc3 Kh5 69. a7 Ra8 70. Kd4 Kh4 71. Kc5 g4 72. Kb6 g3 73. Ra2 Kh3 74. Kb7 Rxa7+ 75. Kxa7 g2 76. Rxg2 Kxg2 {Weighted Error Value: White=0.12 (very precise) /Black=0.12 (very precise)} 1/2-1/2

[Event "FIDE Grand Prix-I Pool-D 2022"]
[Site "Berlin"]
[Date "2022.02.09"]
[Round "5.7"]
[White "Harikrishna, Pentala"]
[Black "Dominguez Perez, Leinier"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2717"]
[BlackElo "2752"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2022.02.04"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,102,0,2,7,4,0,0,0,0,-7,10,0,0,0,0,0,0,0,0,0,44,19,21,31,39,7,7,29,23,25,74,36,46,-28,0,-54,-54,-52,-49,-58,-28,-136,-122,-222,-229,-238,-230,-230,-137,-215,-142,-187,-194,-199,-203,-200,-203,-203,-201,-203,-203,-203,-203,-203,-203,-197,-202,-200,-199,-203,-196,-257,-222,-219,-223,-234,-235,-388,-389,-447,-474,-454,-461,-448,-470,-475,-472,-437,-457,-416,-426]} 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Bc4 Nb6 5. Bb3 Nc6 6. d4 cxd4 7. cxd4 d5 8. Bc2 {B22: Sicilian: 2 c3.} Nb4 {[#]} 9. h3 $146 ({Predecessor:} 9. Nc3 Nxc2+ 10. Qxc2 e6 11. Nf3 Be7 12. h4 h6 13. a4 Bd7 14. a5 Nc4 15. a6 bxa6 {1-0 (30) Mamedov,R (2678)-Volokitin,A (2606) Riga 2021}) 9... Nxc2+ 10. Qxc2 {The position is equal.} Bd7 11. Nc3 Qc8 12. Qd3 Bf5 13. Qg3 e6 14. Nge2 Qc4 15. Be3 Rc8 16. O-O h5 (16... Qa6 $11 {deserves consideration.}) 17. Rac1 h4 18. Qf3 {Black must now prevent Nf4.} Qc6 19. Bg5 Qd7 20. Nf4 Nc4 21. Qe2 {Prevents Nd2.} Bb4 (21... Rc6 $11) 22. a3 Ba5 23. a4 (23. b3 $14 Nxe5 24. Qxe5) 23... a6 $1 $11 24. Rfd1 ({White should try} 24. Nh5 $11 Rh7 25. Bxh4) 24... Bd8 $1 $15 25. Bxd8 Qxd8 26. Nd3 Qb6 27. Nc5 {Black converts the advantage convincingly.} (27. Qf3 $1 $11 {remains equal.}) 27... Qxb2 $17 28. Qf3 {[#]} (28. Qxb2 $17 Nxb2 29. Rd2) 28... Bc2 $1 $19 29. Re1 {[%cal Oc3d5]} b6 {Active counter play!} 30. Nxa6 {[%cal Oa6b4]} Nd2 ({Better is} 30... Nxe5 $19 31. dxe5 Rxc3) 31. Qe3 (31. Qe2 $17 {was worth a try.} Qxc3 32. Qb5+ Kf8 33. Nb4) 31... Qxc3 32. Qxc3 (32. Re2 $17 Qxe3 33. fxe3) 32... Rxc3 33. Nb4 {[#]} Kd7 $1 34. Rxc2 Rxc2 35. Nxc2 {[%mdl 4096] Endgame KRN-KRN} Rc8 36. Ne3 Ra8 37. Ra1 Nb3 {[%csl LRa1,LRd4]} 38. Rb1 Nxd4 {aiming for ...Kc6.} 39. Rxb6 Nc6 ({Not} 39... Rxa4 40. Rb7+ Kc6 41. Rxf7) 40. Ng4 Rxa4 41. Rb7+ Ke8 42. Rc7 (42. Kf1 $142) 42... Ne7 43. Kf1 Ng6 44. Rc8+ Kd7 45. Rg8 (45. Rc1 {was necessary.}) 45... Nf4 {[%cal Ra4a1]} 46. Kg1 d4 {[%cal Bd5d4,Bd4d3,Bd3d2][%mdl 32]} 47. Rb8 d3 48. Ne3 d2 {And now ...Ra1+ would win.} 49. Rb1 {Prevents Ra1.} Ne2+ 50. Kh2 Nc3 {Inhibits Rd1.} 51. Rb3 {[#]} Re4 $1 {Weighted Error Value: White=0.23 (precise) /Black=0.08 (flawless)} 0-1

[Event "FIDE Grand Prix-I Pool-D 2022"]
[Site "Berlin"]
[Date "2022.02.09"]
[Round "5.8"]
[White "Shirov, Alexei"]
[Black "So, Wesley"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2704"]
[BlackElo "2772"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2022.02.04"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,62,13,0,20,10,26,6,20,12,13,2,11,0,0,0,0,0,0,0,0,6,21,9,9,8,8,0,0,0,0,0,0,0,0,0,0,0,0,-11,-20,-50,0,0,0,-54,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. h3 Ke8 {9...Bd7 is the fancy move.} 10. Nc3 h5 {C67: Ruy Lopez: Berlin Defence: 4 0-0 Nxe4.} 11. Bf4 Bb4 12. Ne2 Be6 {[%cal Bc8e6,Be6d5,Bd5e4][%mdl 32] And now ...Bc4 would win. The position is equal.} 13. Ned4 Nxd4 14. Nxd4 Bd5 15. a3 Be7 {[#]} 16. Nf5 $146 ({Predecessor:} 16. Rfe1 g5 17. Bg3 Rh6 18. Rad1 Rg6 19. e6 fxe6 20. Bxc7 Rc8 21. Be5 Rd8 22. b3 {½-½ (65) Vachier Lagrave,M (2784)-Aronian,L (2781) chess24.com INT 2021}) 16... Be4 {[%csl LRc2,LRf5]} 17. Nxe7 ({But not} 17. Nxg7+ $2 Kf8 18. Rfd1 Kxg7 $19) 17... Kxe7 18. Rac1 Ke6 19. f3 Bg6 20. Bg5 h4 21. Rfd1 Kf5 22. Bd2 Rad8 23. Be1 Rxd1 24. Rxd1 $11 {[%mdl 4096] Endgame KRB-KRB} Ke6 {Inhibits Rd7.} 25. c4 Bc2 26. Rd4 c5 ({Don't do} 26... Kxe5 27. Rd7 $16) 27. Rg4 Rh7 28. f4 Kf5 29. Bc3 Ke6 30. Be1 $1 Kf5 31. Bc3 {[%cal Oe5e6]} Ke6 {Not much happened in this game.  Weighted Error Value: White=0.05 (flawless) /Black=0.05 (flawless)} ({Black should try} 31... g6 $15) 1/2-1/2

[Event "FIDE Grand Prix-I Pool-D 2022"]
[Site "Berlin"]
[Date "2022.02.10"]
[Round "6.7"]
[White "Dominguez Perez, Leinier"]
[Black "Shirov, Alexei"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "2752"]
[BlackElo "2704"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2022.02.04"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,65,41,35,32,27,26,40,41,39,60,33,78,74,99,89,115,67,53,42,83,98,98,50,83,33,37,39,66,29,30,35,41,15,47,68,79,81,123,125,150,147,147,154,155,141,412,446,414,465,431,419,469,448,607,590,528,548]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 h6 5. O-O d6 6. c3 g5 {now scores much better than the old 6...g6. C55: Two Knights: 4 d3, 4 d4 exd4 5 e5 and Max Lange Attack.} 7. Nbd2 Bg7 8. Bb3 g4 {White is slightly better.} 9. Ne1 h5 10. f4 exf4 (10... a5 $14 {is superior.}) 11. Rxf4 $16 d5 {[#]} 12. Rf1 $146 ({Predecessor:} 12. exd5 Nxd5 13. Rf1 f5 14. Nc4 O-O 15. d4 f4 16. Ne5 Nxe5 17. dxe5 Be6 18. Nd3 {½-½ (44) Burke,J (2538)-Yoo,C (2479) Saint Louis 2021}) 12... Be6 13. d4 ({White should try} 13. exd5 $16 Bxd5 14. Nc4) 13... dxe4 $14 {[%cal Og4g3]} 14. Qe2 {Strongly threatening Bxe6.} Qd7 (14... Bxb3 $14 {was preferrable.} 15. Nxb3 O-O) 15. Nxe4 $16 Nxe4 16. Qxe4 {aiming for d5.} O-O-O {[%cal Ba8d8,Bd8e8,Be8e2,Be2b2][%mdl 32]} 17. Nc2 (17. Bg5 $1 $16 {[%cal Rg5d8]} Bxb3 18. axb3 (18. Bxd8 $2 Bd5 $19)) 17... Bxb3 18. axb3 Rde8 19. Qf5 (19. Qd3 {with more complications.} a6 20. Qc4 Rhf8 21. b4 Na7 22. Qc5) 19... Qxf5 20. Rxf5 f6 21. Bf4 Re2 22. Ne3 Rxb2 {[#]} 23. b4 $1 (23. Nd5 Rxb3 24. Re1 (24. Bxc7 h4 $11) 24... h4 $11) 23... b6 ({Better is} 23... h4) 24. Nd5 {[%csl LRc7,LRf6]} h4 {[#]} 25. Re1 $1 {To avoid Re2. White is more active.} ({Not} 25. Nxc7 Ne7 26. Rb5 Bh6 27. Bxh6 Rxh6 $15) (25. Nxf6 Rf8 26. Bg5 h3 $19) (25. Bxc7 Re8 $16) 25... h3 26. gxh3 Rxh3 27. Bg3 a5 $2 {[%mdl 8192] This costs Black the game.} (27... Kd7 $16 {was worth a try.} 28. Rf4 (28. Nxf6+ Bxf6 29. Rxf6 Rh7 $16) (28. Bxc7 Rf3 $16) 28... Bh8 29. Rxg4 (29. Nxf6+ Bxf6 30. Rxf6 Rh7 $16) 29... Rh5) 28. bxa5 $18 bxa5 29. Ne7+ Nxe7 30. Rxe7 Bh6 31. Rxc7+ {White is clearly winning.} Kb8 32. Re7+ Rxg3+ 33. hxg3 {Weighted Error Value: White=0.08 (flawless) /Black=0.34} 1-0

[Event "FIDE Grand Prix-I Pool-D 2022"]
[Site "Berlin"]
[Date "2022.02.10"]
[Round "6.8"]
[White "So, Wesley"]
[Black "Harikrishna, Pentala"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2772"]
[BlackElo "2717"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2022.02.04"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,71,26,25,35,36,42,41,39,39,37,42,40,45,41,33,52,16,22,24,31,32,29,24,17,29,27,20,27,22,51,62,59,50,48,66,55,41,62,66,73,73,112,115,112,108,143,123,135,114,139,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 a5 6. Bg2 O-O 7. Qc2 c5 {E11: Bogo-Indian.} 8. cxd5 {The main line 8.cxd5 scores better than 8.dxc5.} cxd4 9. Nxd4 Qb6 {White is slightly better.} 10. e3 exd5 11. O-O Nc6 12. Nxc6 bxc6 13. Rc1 Rb8 14. Bxb4 ({Much worse is} 14. Qxc6 Qxc6 15. Rxc6 Bxd2 16. Nxd2 Rxb2 $11) 14... Qxb4 15. b3 Be6 16. Nc3 {[%cal Bb1c3,Bc3e2,Be2f4][%mdl 32]} c5 17. Ne2 Rfc8 18. Nf4 c4 19. bxc4 Rxc4 {[#]} 20. Qd1 $146 ({Predecessor:} 20. Qe2 Qb2 21. Qxb2 Rxb2 22. Rxc4 dxc4 23. Nxe6 fxe6 24. Rc1 Rxa2 25. Bh3 Kf7 26. Rxc4 {1-0 (59) Fridman,D (2608)-Heimann,A (2599) Dortmund 2021}) 20... Qc5 21. Nxe6 fxe6 22. Bf1 Rc3 23. Rxc3 Qxc3 24. Rc1 {[%cal Ba1c1,Bc1c2,Bc2c6][%mdl 32]} Qb2 25. Rc2 Qb6 26. Qc1 e5 27. Rc6 Qd8 28. Qc3 e4 29. a4 {White is more active.} Qd7 30. Bb5 {[#] And now Rxf6 would win.} Qg4 31. Qxa5 ({Better is} 31. Qc2 $16) 31... Qd1+ $11 {The position is equal.} 32. Bf1 {Hoping for Qa7.} Rb1 {[%csl Gb1][%cal Rd1f1]} 33. Qa6 h5 34. Rb6 Ra1 35. Rxf6 gxf6 36. Qe6+ {Weighted Error Value: White=0.07 (flawless) /Black=0.06 (flawless)} 1/2-1/2

