[Event "FIDE Grand Prix-I Pool-B 2022"]
[Site "Berlin"]
[Date "2022.02.04"]
[Round "1.1"]
[White "Fedoseev, Vladimir"]
[Black "Oparin, Grigoriy"]
[Result "1-0"]
[ECO "E05"]
[WhiteElo "2704"]
[BlackElo "2681"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2022.02.04"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,95,0,13,4,17,25,20,14,37,39,33,25,16,26,35,7,37,38,43,28,35,33,31,32,79,87,85,64,55,40,79,85,85,87,79,72,85,83,158,154,150,157,156,156,174,133,181,163,202,180,181,0,173,156,202,196,195,190,191,191,195,197,210,208,230,225,275,222,265,242,268,208,216,199,254,252,247,250,293,279,714,433,382,366]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O dxc4 7. Qc2 b5 8. a4 {E05: Open Catalan: 5 Nf3 Be7.} Bb7 9. axb5 a6 10. Nc3 {Prevents Be4. The position is equal.} axb5 11. Rxa8 Bxa8 12. Nxb5 Bd5 13. Rd1 {[#]} c5 $146 ({Predecessor:} 13... Nc6 14. Bf4 Nb4 15. Qb1 c5 16. Be5 Ng4 17. Nc3 Nxe5 18. dxe5 Qc7 19. Nb5 Qc6 {½-½ (32) Ghazarian,K (2379)-Wachinger,N (2360) Marianske Lazne 2022}) 14. dxc5 (14. Nc3 $5 {[%cal Re2e4]}) 14... Qa5 (14... Bxc5 $5 {[%cal Rd8b6]} 15. Nc3 Nc6 $11) 15. Nfd4 {Threatens to win with e4.} Bxc5 16. Bxd5 exd5 17. b3 Rc8 {[%cal Oc4c3]} 18. bxc4 Bxd4 (18... Bf8 $14) 19. Nxd4 $16 {[%cal Bb5d4,Bd4f5,Bf5e3][%mdl 32]} Rxc4 20. Qb1 Nbd7 21. Bb2 Qb4 22. Nf5 h5 23. Ne3 {[%csl LRc4,LRd5]} Re4 24. Qa1 (24. Nxd5 Nxd5 25. Rxd5 Rxe2 $1 $17) 24... h4 25. Bd4 (25. Nxd5 $6 Nxd5 26. Rxd5 Rxe2 $15) 25... h3 ({Black should try} 25... Re8) 26. f3 Re8 27. Kf2 Qe7 28. Qc3 Qe6 29. Rc1 (29. Rb1 $18) 29... Qe7 (29... Ne5 $16) 30. Rc2 Rb8 31. Qa1 Re8 32. Qc3 $2 ({White should play} 32. Qa6 $18) 32... Qd6 $2 (32... Rb8 $1 $11) 33. Qd3 Qb4 (33... Qe7 $16 34. Rc7 Ne5) 34. Qd2 $18 Qb1 35. Rc1 {Inhibits Qh1.} Qg6 36. Qc2 Qh6 37. Qf5 Nf8 38. Rc2 N6d7 39. Qxd5 (39. Nxd5 Qd6 40. e4 (40. Rc7 Re5 $14) 40... Qa3) 39... Qg6 {[%cal Oe8e3] Hoping for ...Rxe3!} 40. Rc1 Qa6 41. Ra1 {Active counter play!} Qg6 42. Rd1 Qa6 43. Qf5 Qa4 (43... Qh6 {is a better defense.} 44. Qd5 Qe6 45. Qxe6 Rxe6) 44. Qg4 $40 {[%csl Gd4][%cal Rg4g7][%mdl 128] White wants a kill.} f6 {[%cal Oe8e3]} 45. Ra1 Qb5 46. Ra7 {[%cal Od4f6] And now Bxf6! would win.} (46. Qxh3 Ne6 $18) 46... Ne6 $2 (46... Re6 47. Ra8 (47. f4 Qc6 $18) 47... Kf7 48. Qxh3 (48. f4 Qc6 $18) 48... Ra6) 47. Nf5 Ng5 {[#]} 48. Be3 $1 {Weighted Error Value: White=0.19 (very precise) /Black=0.26 (precise)} ({Worse is} 48. e4 Qd3 49. Ra2 (49. Rxd7 $2 Qd2+ 50. Kf1 Qg2+ 51. Ke1 Nxf3+ 52. Qxf3 Qxf3 $19) 49... Qd1 $15) 1-0

[Event "FIDE Grand Prix-I Pool-B 2022"]
[Site "Berlin"]
[Date "2022.02.04"]
[Round "1.1"]
[White "Wojtaszek, Radoslaw"]
[Black "Rapport, Richard"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "2686"]
[BlackElo "2763"]
[Annotator "TA"]
[PlyCount "115"]
[EventDate "2022.02.04"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,115,7,35,32,32,35,27,21,20,22,39,21,6,2,36,38,33,38,33,39,37,37,59,33,43,43,47,58,79,77,77,78,93,88,99,93,88,85,91,80,64,53,66,66,82,64,64,58,66,67,61,63,98,98,106,99,116,119,177,100,100,100,100,100,116,116,110,120,101,111,99,129,159,122,103,103,393,393,481,464,434,262,558,488,559,489,513,285,511,529,512,531,704,704,645,561,688,688,29971,29973,29972,29973,29976,29977,29975,29976]} 1. d4 e6 2. c4 Bb4+ 3. Bd2 a5 4. Nf3 Nf6 5. g3 d5 6. Bg2 dxc4 7. Qc2 {E04: Open Catalan: 5 Nf3.} c5 8. a3 Bxd2+ 9. Nbxd2 {White has an edge.} cxd4 10. Nxc4 {[%cal Of3d4]} O-O {[#]} 11. Qd3 $5 $146 {[%mdl 8] White has compensation. New and interesting.} ({Predecessor:} 11. Rd1 Nc6 12. O-O Rb8 13. Rd2 Re8 14. Nfe5 Bd7 15. Rfd1 Qc7 16. Nxc6 Bxc6 17. Bxc6 Qxc6 18. Rxd4 {½-½ (30) Vidit,S (2711)-Melkumyan,H (2660) Douglas 2018}) 11... Nc6 12. O-O Ra6 (12... b6 $5 {[%cal Rc8a6]}) 13. Rfd1 {[%cal Rf3d4]} b5 14. Nce5 Bb7 {[%cal Bc8b7,Bb7c6,Bc6d5,Bd5c4][%mdl 32]} 15. Nxc6 Bxc6 16. Qxd4 Qa8 17. Rac1 (17. Bf1 $5 {[%cal Rf3e5]}) 17... h6 18. Bf1 Bd5 19. Ne5 Qb8 20. f3 Rd6 21. Qc5 $1 ({But not} 21. e4 Rdd8 22. Qc3 (22. exd5 Rxd5 23. Qf2 Rxd1 $17) 22... Rc8 $11) 21... Ra6 22. Qc7 Bc4 23. Qxb8 {White is much more active. Black has bad knights.} Rxb8 24. e4 {To avoid Nd5} Rab6 25. Rd2 g5 26. g4 Kg7 27. Bxc4 bxc4 28. Nxc4 Rb3 29. Kf2 ({Much weaker is} 29. Nxa5 Rxf3 30. Rf1 Nxe4 $1 $11) 29... a4 30. Rcc2 h5 31. h3 hxg4 32. hxg4 Rh8 33. Ne5 {Inhibits Nd7.} Rb5 34. Nd3 Rh2+ (34... Nd7 $16 35. Rc7 Nb6) 35. Kf1 ({Better is} 35. Ke3 $18 Rh3 36. Rg2) 35... Rxd2 $16 36. Rxd2 {[%mdl 4096] Endgame KRN-KRN} Nd7 37. Ke2 Kf6 {[#]} 38. Rc2 $1 Rb8 {[#]} 39. Rc4 $1 Ne5 40. Rb4 Rxb4 41. Nxb4 {And now Nd3 would win. KN-KN} ({Of course not} 41. axb4 $6 Nc4 $11) 41... Nc4 42. Nd3 {Kd1 is the strong threat.} Ke7 43. Kd1 Kd6 $2 {[%mdl 8192] Black cannot hold the game after this.} (43... f5 $16) 44. Kc2 $18 Kc6 45. Kc3 Kb5 46. Kd4 {[%cal Ob2b3] Black must now prevent b3!} f6 $2 (46... Nb6 47. Nf2 Nd7) 47. e5 f5 48. gxf5 exf5 49. e6 g4 50. e7 Nd6 51. Kd5 Ne8 52. f4 g3 53. Ne1 Ng7 54. Ng2 Kb6 55. Kd6 {White mates.} Kb5 56. Ne3 Kb6 57. Kd7 Kc5 58. e8=Q {Weighted Error Value: White=0.07 (flawless) /Black=0.38} 1-0

[Event "FIDE Grand Prix-I Pool-B 2022"]
[Site "Berlin"]
[Date "2022.02.05"]
[Round "2.3"]
[White "Wojtaszek, Radoslaw"]
[Black "Oparin, Grigoriy"]
[Result "1/2-1/2"]
[ECO "D33"]
[WhiteElo "2686"]
[BlackElo "2681"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2022.02.04"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,82,36,45,36,42,33,37,44,39,41,40,35,41,70,60,76,71,91,77,80,79,81,73,75,68,65,79,69,68,98,93,93,95,99,87,106,106,104,108,189,190,172,130,189,181,177,157,170,156,160,28,25,25,25,25,46,35,39,8,8,8,8,8,8,0,0,0,0]} 1. c4 Nf6 2. Nc3 c5 3. g3 e6 4. Nf3 d5 5. cxd5 exd5 6. d4 Nc6 7. Bg2 cxd4 8. Nxd4 Bc5 9. Nb3 {[%csl LRc5,LRd5]} Bb6 {D33: Tarrasch Defence: 6 g3 sidelines.} 10. Na4 ({Of course not} 10. Bxd5 Nb4 11. Bf3 Qxd1+ 12. Kxd1 Ng4 13. Bxg4 Bxg4 $11) 10... O-O 11. Nxb6 axb6 {White is slightly better.} 12. Be3 {To avoid d4} h5 13. O-O h4 {[#]} 14. gxh4 $146 ({Predecessor:} 14. Bg5 h3 15. Bh1 Re8 16. Re1 Bg4 17. a3 Qd6 18. Qd2 Qe5 19. f3 Be6 20. Rad1 {½-½ (35) Mamedyarov,S (2765)-Dubov,D (2700) Riga 2019}) 14... Bg4 15. f3 Bf5 16. Nd4 Bg6 17. Qd2 Re8 18. Rfe1 Nh5 19. Bf2 Qf6 {[#]} 20. Qg5 $1 Nxd4 21. Qxf6 Nxe2+ {[#]} 22. Rxe2 $1 gxf6 (22... Nxf6 23. Rxe8+) 23. Rxe8+ Rxe8 24. Bxb6 Re2 25. Bd4 Rc2 {[#]} 26. Bf1 $1 {Inhibits Bd3.} Nf4 27. Bxf6 Bd3 (27... Kh7 $16) 28. Bxd3 $18 Nxd3 {[%mdl 4096] Endgame KRB-KRN} 29. Rd1 Nf4 (29... Nf2 $16 30. Rd4 (30. Rxd5 Nh3+ 31. Kf1 Rc1+ 32. Ke2 Nf4+ 33. Kd2 Nxd5 $11) 30... Nh3+ 31. Kf1 Rf2+ 32. Ke1 Rxf3) 30. Kf1 Kh7 31. Be5 Ng2 {And now ...Ne3+ would win.} 32. Rd3 {To avoid Ne3+} Nxh4 33. Rxd5 ({Better is} 33. Ke1 $16) 33... Nxf3 $11 34. Bc3 {Strongly threatening Rf5.} Kg6 {Inhibits Rf5.} ({Don't play} 34... Nxh2+ 35. Ke1 $16) 35. h3 f5 36. Rd3 Ng5 37. Rd6+ (37. Be5 $5 {[%cal Rd3d6]}) 37... Kh5 {The position is equal.} 38. Rf6 Ne4 39. Rxf5+ Kg6 40. Rb5 {aiming for Be1.} Nxc3 41. bxc3 Rxc3 {Blacks defense is rewarded with a draw.  Weighted Error Value: White=0.11 (very precise) /Black=0.08 (flawless)} 1/2-1/2

[Event "FIDE Grand Prix-I Pool-B 2022"]
[Site "Berlin"]
[Date "2022.02.05"]
[Round "2.4"]
[White "Rapport, Richard"]
[Black "Fedoseev, Vladimir"]
[Result "1-0"]
[ECO "E32"]
[WhiteElo "2763"]
[BlackElo "2704"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2022.02.04"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,103,0,0,6,5,5,11,2,7,25,37,48,50,68,54,62,49,102,99,115,118,118,119,148,66,72,37,94,100,93,86,91,0,0,0,0,0,0,0,117,96,132,111,90,92,108,77,241,235,248,234,243,241,216,232,222,239,277,275,479,443,412,429,428,419,410,410,580,620,656,651,632,624,698,688,673,662,685,609,827,778,1454,1337,29954,4930,29973,29974,29978,29961]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3+ 6. Qxc3 b6 7. Bg5 Bb7 8. Nh3 h6 9. Bh4 d6 {E32: Nimzo-Indian: Classical (4 Qc2): 4...0-0.} 10. f3 Nbd7 11. e4 c5 {[#] The position is equal.} 12. Nf2 $5 $146 {[%mdl 8] New and interesting.} ({Predecessor:} 12. dxc5 bxc5 13. Bd3 d5 14. exd5 exd5 15. O-O d4 16. Qd2 a5 17. Rae1 Qb6 18. Re7 {½-½ (51) Braun,A (2465)-Shneider,A (2529) Bad Zwesten 2006}) 12... Re8 13. dxc5 Nxc5 {[%cal Rf6e4] And now ...Nfxe4! would win.} (13... dxc5 $2 14. e5 $18) 14. Bxf6 Qxf6 15. Qxf6 gxf6 16. b4 Nb3 (16... Nd7 $14) 17. Rd1 $16 a5 18. Rxd6 axb4 19. axb4 (19. Rxb6 $2 bxa3 $1 20. Bd3 (20. Rxb7 $2 a2 $19) 20... a2 $1 $19) 19... Ra1+ 20. Rd1 (20. Nd1 $16) 20... Rea8 {[%cal Be8a8,Ba8a2,Ba2e2][%mdl 32]} 21. Be2 (21. Bd3 $5 {[%cal Re1g1]}) 21... Nc1 ({Better is} 21... Rxd1+ $14 22. Bxd1 Nd4) 22. Ng4 {[%csl LRf6,LRh6]} R8a2 23. Nxf6+ Kf8 24. Kf2 Rxe2+ $11 25. Kg3 Rc2 {Hoping for ...Ne2+.} (25... Kg7 $2 26. Nh5+ Kf8 27. Rxc1 $18) 26. Kh4 Kg7 27. Nh5+ Kg6 (27... Kf8 $1 $11) 28. Rd8 {White threatens Rg8+ and mate.} Ra8 (28... Rxc4 $2 29. Rg8+ Kh7 30. Nf6#) 29. Rhd1 Rxc4 30. Rxa8 Bxa8 {[#]} 31. Rd8 $1 Bxe4 $2 {[#] A mistake that costs the game.} 32. g4 $1 $18 {Rg8+ would kill now.} Kh7 {Inhibits Rg8.} (32... Rxb4 $2 33. Rg8+ Kh7 34. Nf6#) 33. fxe4 {[%mdl 4096] Endgame aiming for e5. KRN-KRN} e5 (33... Rxb4 34. e5 f5 35. exf6 Rb2 36. Rd7+ Kh8 37. Nf4 Rxh2+ 38. Kg3 Ne2+ 39. Nxe2) 34. Nf6+ Kg6 35. Rd6 Ne2 36. Ng8+ (36. Rxb6 $6 Nf4 $16) 36... Kg7 37. Nxh6 Rxe4 $2 (37... Nc3 {keeps fighting.} 38. Nf5+ (38. Rxb6 Nxe4 39. Nf5+ Kh7 $18) 38... Kh7 39. Rh6+ (39. Rxb6 Nxe4 40. Kh5 Rc2 $18) 39... Kg8 40. Rxb6 Nxe4) 38. Nf5+ Kh7 39. Rh6+ Kg8 40. Rxb6 Nf4 41. Kg5 {Kh6 is the strong threat.} f6+ (41... Nd5 {might work better.}) 42. Kh6 {Strongly threatening Nd6.} Re2 43. h4 {[%cal Bh2h4,Bh4h5][%mdl 32]} ({Inferior is} 43. Rxf6 Rxh2+ 44. Kg5 Nh3+ 45. Kh4 Nf4+ 46. Kg3 Rh3+ 47. Kf2 Rb3 $11) 43... Kf7 44. b5 {[%cal Bb4b5,Bb5b6,Bb6b7][%mdl 32]} Rb2 45. Rb8 Nd5 46. h5 e4 47. Nd6+ Ke7 48. Nxe4 Rb4 {[#]} 49. b6 $1 f5 {[#]} (49... Ne3 50. Nf2) 50. gxf5 $1 {[%cal Ob6b7] Intending b7! and mate.} Rxe4 (50... Kf7 51. b7) 51. b7 Nf6 {[#]} 52. Rd8 $3 {[%mdl 512] Weighted Error Value: White=0.07 (flawless) /Black=0.52} 1-0

[Event "FIDE Grand Prix-I Pool-B 2022"]
[Site "Berlin"]
[Date "2022.02.06"]
[Round "3.3"]
[White "Oparin, Grigoriy"]
[Black "Rapport, Richard"]
[Result "1/2-1/2"]
[ECO "B60"]
[WhiteElo "2681"]
[BlackElo "2763"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2022.02.04"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,120,37,46,39,50,19,20,20,14,3,25,-38,0,-26,6,-43,-52,-62,-45,-56,-62,-85,-13,-28,0,0,0,0,0,0,0,-76,-69,-67,-78,-80,-69,-76,-58,-89,-96,-88,-60,-74,-65,-205,-193,-179,-167,-138,-127,-122,-104,-100,-85,-95,-45,-53,-50,-46,-60,-47,-8,-8,-25,-117,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Qb6 8. Nb3 a6 {The modern move.} 9. Be2 {B60: Sicilian: Richter-Rauzer: Unusual Black 6th moves and 6...Bd7 without 7 Qd2.} Be7 10. g4 Qc7 {[#]} 11. O-O-O $146 ({Predecessor:} 11. Be3 Ne5 12. g5 Nfd7 13. f4 Nc4 14. Bxc4 Qxc4 15. O-O-O b5 16. Qg2 Qc7 17. Rhf1 {1-0 (39) Sarenac,D (2329)-Arda,C (2080) Paracin 2017}) 11... b5 12. a3 Rb8 {[%cal Ba8b8,Bb8b4,Bb4e4,Be4e3,Be3f3][%mdl 32]} 13. Rhe1 (13. Bxf6 $11 gxf6 14. h4) 13... O-O $15 14. f4 b4 15. axb4 (15. Bxf6 $11 {was preferrable.} gxf6 16. axb4) 15... Rxb4 16. Bxf6 Bxf6 {[%cal Be7f6,Bf6d4,Bd4e3,Be3f4][%mdl 32]} 17. g5 Bd4 18. Kb1 {[#]} Qb6 (18... Bd7 $1 $17 {Strongly threatening ...Rfb8.} 19. Na2 Ra4) 19. Na2 $1 $11 Be3 (19... Rxb3 $5 20. cxb3 Qxb3 $11) 20. Qxd6 Rxe4 21. Rf1 g6 (21... Rd8 $2 {[#]} 22. Qxc6 $3 {[%mdl 512]} f5 23. Rxd8+ Qxd8 24. Rd1 $18) 22. Bf3 $1 Bxf4 23. Qd3 (23. Qa3 $1 $11 {remains equal.} Rd4 24. Nxd4 Nxd4 25. Nc3) 23... Re3 $36 {[%mdl 2048] Black fights for an advantage.} 24. Qc4 {[%csl LRc6,LRf4] [#]} Rxf3 25. Rxf3 Bxg5 {aiming for ...Ne5. A strong pair of Bishops.} 26. Rff1 Ne7 (26... Ne5 $5 {[%cal Re5c4]} 27. Qe2 Qc7 $15) 27. Qb4 Qxb4 28. Nxb4 Nf5 29. Rfe1 Bf4 30. Nc5 ({White should try} 30. Re2 $15) 30... Bxh2 $19 31. Nbxa6 g5 32. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} g4 33. b5 h5 {Hoping for ...Bf4.} 34. Rh1 g3 35. Rd2 h4 (35... Kg7 $17 {Threatens to win with ...Kh6.} 36. b6 h4) 36. b6 $1 $15 Kg7 (36... Bxa6 37. Nxa6 Nd6 38. Rg2 $17 (38. Rxd6 g2 $17)) 37. b7 {[#]} Bxb7 38. Nxb7 h3 39. Rdxh2 gxh2 40. Nbc5 (40. Rxh2 $11 Rh8 41. c4) 40... Ng3 ({Better is} 40... Ne3 $17 {And now ...Ng4 would win.} 41. Kc1 Ng4) 41. Rxh2 $11 {The position is equal.} Rh8 42. Nd3 Nf1 43. Rh1 h2 {...Ng3 is the strong threat.} 44. Rxf1 h1=Q 45. Rxh1 Rxh1+ 46. Kb2 Kf6 47. c4 e5 48. Nab4 e4 49. Nd5+ Ke6 50. N3f4+ Ke5 51. Ne2 Rh2 52. Ndf4 Rf2 53. c5 Rf3 54. Ka2 f5 55. Kb2 Rxf4 56. Nxf4 Kxf4 57. c6 {White wants to mate with Kc3.} e3 58. Kc2 $1 {c7 would kill now.} Kf3 59. c7 e2 60. c8=Q $1 ({Not} 60. Kd2 $2 Kf2 61. c8=Q e1=Q+ 62. Kc2 Qe4+ 63. Kd2 f4 $19) 60... e1=Q {Whites escaped into a draw.  Weighted Error Value: White=0.12 (very precise) /Black=0.10 (very precise)} 1/2-1/2

[Event "FIDE Grand Prix-I Pool-B 2022"]
[Site "Berlin"]
[Date "2022.02.06"]
[Round "3.4"]
[White "Fedoseev, Vladimir"]
[Black "Wojtaszek, Radoslaw"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "2704"]
[BlackElo "2686"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2022.02.04"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,80,0,10,0,0,0,29,31,26,0,1,-18,-6,-12,14,4,14,19,26,29,37,-24,-18,-66,-51,-44,-36,-75,-67,-75,-69,-66,-49,-44,-4,-21,-34,-19,-25,-72,-66,-67,-70,-70,-68,-69,-72,-71,-70,-64,-52,-55,-53,-52,-53,-46,-49,-50,-51,-68,-68,-68,-59,-66,-54,-54,-40,-40,-40,-40,-40,-40,-13]} 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 f5 8. Bb2 {White has an edge.} Nf6 {[%cal Bg8f6,Bf6g4,Bg4e3][%mdl 32]} 9. O-O-O Rf8 10. g3 {[#]} fxe4 $146 ({Predecessor:} 10... Qa5 11. Kb1 fxe4 12. Bh3 Bf5 13. Qe2 O-O-O 14. g4 Nxg4 15. Bxg4 d5 16. Nh3 Bg7 17. Nxd5 Bxb2 18. Nxe7+ Nxe7 19. Kxb2 {0-1 (22) Baglan,E (2359)-Savchenko,B (2552) Lichess.org INT 2021}) 11. Bg2 Qa5 (11... Bg4 $5 {[%cal Rg4d1]} 12. Nge2 d5 $11) 12. Nxe4 Qxd2+ 13. Nxd2 Ng4 14. Ne4 {Prevents Nf2. And now Nf3 would win.} Bf5 {Hoping for ...Bxe4.} (14... Ne3 15. Nxd6+ $1 {[%mdl 512]} (15. Rd2 Nxg2 16. Rxg2 Bf5 $15) 15... exd6 16. Re1 $16) 15. Rd2 (15. Nh3 $14) 15... O-O-O $11 ({Don't do} 15... Ne3 {[#]} 16. Nxd6+ $1 (16. Re2 Nxg2 17. Nxd6+ Kd7 $14) 16... exd6 17. Re2 $14) 16. Ne2 (16. Bf3 $11) 16... Ne3 $15 17. Bf3 d5 {[%cal Bd6d5,Bd5d4][%mdl 32]} 18. N4c3 {[%cal Rc3d5]} d4 19. Nd1 Nxd1 20. Rhxd1 e5 21. h3 exf4 (21... Bxh3 $2 22. Rh1 $18) 22. gxf4 d3 23. cxd3 Nb4 {[%cal Rb4d3]} 24. Bg4 (24. Be4 $11 {deserves consideration.}) 24... Bxg4 $17 ({Much worse is} 24... Nxa2+ $6 25. Kb1 Nb4 26. Be5 $11) 25. hxg4 {Black must now prevent g5.} Rxf4 26. Bg7 Bxg7 27. Nxf4 {aiming for Ne6.} Bh6 $1 {[%csl LRd3,LRf4]} 28. Ne6 Bxd2+ 29. Rxd2 {Black is slightly better.} Rxd3 {[%mdl 4096] Endgame KRN-KRN} 30. Rh2 Rd6 31. Nf8 h5 32. gxh5 gxh5 33. Rxh5 Nxa2+ 34. Kb1 Nb4 35. Nh7 Rd3 36. Kb2 b6 37. Nf6 Kb7 38. Rh7+ Ka6 39. Ne4 Nc6 40. Rh6 Kb7 {Weighted Error Value: White=0.11 (very precise) /Black=0.05 (flawless)} 1/2-1/2

[Event "FIDE Grand Prix-I Pool-B 2022"]
[Site "Berlin"]
[Date "2022.02.07"]
[Round "4.3"]
[White "Oparin, Grigoriy"]
[Black "Fedoseev, Vladimir"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "2681"]
[BlackElo "2704"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2022.02.04"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,82,20,24,22,26,18,32,23,22,0,0,0,0,7,0,-20,0,0,8,-30,-10,-27,0,0,0,-99,-83,-93,-79,-68,-68,-240,-228,-335,-321,-449,-449,-460,-437,-404,-355,-382,-385,-350,-354,-597,-629,-594,-618,-599,-593,-618,-602,-570,-529,-669,-667,-664,-644,-1329,-1318,-1918,-1168,-5789,-5689,-29987,-29984,-29988,-29985,-29985,-29986,-29985,-1571,-1278,-1330]} 1. e4 c5 2. Nf3 Nc6 3. Nc3 e5 4. Bc4 d6 5. d3 Be7 6. a4 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6.} Nf6 7. Bg5 Nd7 $5 {[%mdl 4] [#] Leaves trodden paths.} 8. Bd2 $146 {White is slightly better.} ({Predecessor:} 8. Bxe7 Qxe7 9. Nd5 Qd8 10. c3 O-O 11. Nd2 Nf6 12. Nxf6+ Qxf6 13. Nf1 Qg5 14. Ne3 {½-½ (39) Short,N (2690)-Illescas Cordoba,M (2591) Sestao 2010}) 8... O-O 9. Nd5 (9. O-O {with more complications.} Nb6 10. Bb3 Na5 11. Ba2 Nc6 12. Re1) 9... Nb6 10. Nxb6 axb6 11. c3 Kh8 12. b4 Qe8 13. b5 Nd8 14. h4 f5 15. h5 Be6 16. Qb3 Qd7 17. Kd1 (17. h6 $11 g6 18. O-O) 17... fxe4 $17 18. dxe4 Bxc4 19. Qxc4 Qg4 20. Qd3 $2 {Loses the game.} (20. Kc2 $1 $15) 20... c4 $19 (20... Qxg2 21. Ke2 Qg4 22. Rag1) 21. Qe3 (21. Qf1 {was forced.}) 21... Ne6 (21... Qxg2 $2 22. Ke2 Qg4 23. Rhg1 (23. Rag1 $2 Qd7 $19) 23... Qxh5 24. Rh1 $19) 22. Rg1 Nf4 {To avoid Qe2} 23. Kc1 Qxh5 (23... Nxg2 $2 24. Nh2 Nxe3 25. Nxg4 Nxg4 26. Rxg4 Rxf2 27. h6 $19) 24. Kc2 Qg6 {[#] Strongly threatening ...Nd3.} ({Avoid the trap} 24... Nxg2 $2 25. Rxg2 Rxf3 26. Qxb6 Rxc3+ 27. Bxc3 $17 (27. Kxc3 $2 {perishes.} Qf3+ 28. Qe3 Qxg2 $19)) 25. g3 Nd3 26. Nh4 Qe6 {And now ...d5 would win. Really sharp!} 27. Nf5 $2 (27. f3) 27... Rxf5 28. exf5 Qxf5 29. g4 Nb4+ 30. Kd1 Qc2+ 31. Ke1 {[#]} Qb2 32. Rc1 (32. Ke2 Nd5) 32... Nd3+ 33. Ke2 Rf8 34. f3 e4 35. Rh1 d5 36. fxe4 Rf2+ 37. Kd1 Qb3+ 38. Rc2 Qb1+ 39. Rc1 Nxc1 40. Qxf2 Nd3+ (40... Qb3+ $142 41. Ke1 Nd3+ 42. Kf1 Nxf2 43. Kxf2 Qc2 44. Kg3 Qd3+ 45. Kg2 Qxd2+ 46. Kf3 Qd3+ 47. Kg2 Qxe4+ 48. Kg3 Qxh1 49. g5 Bxg5 50. a5 h5 51. Kf2 Bh4+ 52. Ke3 Qe1+ 53. Kf4 Qe4#) 41. Ke2 Qxh1 {Weighted Error Value: White=0.94/Black=0.34} ({Less strong is} 41... Nxf2 42. Rxb1 Nxe4 43. Be1 $16) 0-1

[Event "FIDE Grand Prix-I Pool-B 2022"]
[Site "Berlin"]
[Date "2022.02.07"]
[Round "4.4"]
[White "Rapport, Richard"]
[Black "Wojtaszek, Radoslaw"]
[Result "1/2-1/2"]
[ECO "A50"]
[WhiteElo "2763"]
[BlackElo "2686"]
[Annotator "TA"]
[PlyCount "114"]
[EventDate "2022.02.04"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,114,4,12,12,14,0,0,13,20,27,24,22,37,25,33,38,44,44,38,40,43,43,45,40,39,34,45,45,45,50,43,49,52,52,54,21,30,18,30,22,21,33,45,13,29,15,19,8,12,0,31,13,36,27,37,45,65,8,8,3,25,33,32,27,22,22,22,22,46,29,45,44,44,44,44,44,44,0,44,44,44,44,52,39,23,45,70,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Bf4 d5 4. cxd5 exd5 5. e3 Bd6 6. Bxd6 {A50: Queen's Fianchetto Defence (1 d4 Nf6 2 c4 b6).} Qxd6 7. Bd3 O-O 8. Nc3 Bg4 {[#]} 9. Qb3 $146 ({Predecessor:} 9. Nge2 Nbd7 10. O-O c6 11. Rb1 Bh5 12. b4 Ng4 13. Ng3 Ndf6 14. Be2 Rfe8 15. Rb3 {1-0 (58) Ayats Llobera,G (2188)-Torras Campdelacreu,X (1992) Santa Eulalia de Roncana 2015}) 9... Nbd7 10. h3 Be6 11. Nf3 c5 12. Qa3 ({Don't blunder} 12. Qxb7 $2 c4 13. Bxc4 dxc4 $19) 12... Rfc8 13. O-O Qf8 14. dxc5 Nxc5 15. Ne2 Bd7 16. Nfd4 Ne6 17. Qb3 Rc7 18. Rad1 Nxd4 19. Nxd4 Rac8 20. a3 Qc5 21. Ne2 a6 22. Nd4 Qa5 23. Ra1 h6 24. Qb4 Qxb4 25. axb4 Kf8 26. g4 Ne4 {[%cal Bf6e4,Be4d6,Bd6c4,Bc4e5][%mdl 32]} 27. Rfd1 h5 28. Kg2 hxg4 29. hxg4 Nd6 30. Be2 Nc4 31. b3 Ne5 32. Kg3 Rc3 33. b5 {Inhibits Nc6.} (33. Ra5 $14) 33... axb5 $11 34. Ra7 Nc6 35. Rxb7 Nxd4 36. Rxd4 Bc6 37. Ra7 Rxb3 38. g5 g6 39. Bf3 {[#] Threatens to win with Rf4.} Rc3 40. Rf4 Be8 41. Bxd5 R8c7 42. Ra8 Rc8 43. Ra7 {[%cal Rd5f7]} R8c7 44. Rxc7 Rxc7 $14 {[%mdl 4096] Endgame KRB-KRB} 45. Rf6 $1 b4 46. e4 Bb5 47. Rb6 Bc4 48. Rxb4 {White is more active.} (48. Kf4 $1 $14) 48... Bxd5 $11 {The position is equal.} 49. exd5 $14 {[#] Kf4 is the strong threat. KR-KR} Rc5 50. Rd4 Ke7 51. d6+ Kd7 52. Kg4 {And now Rf4 would win.} Rc1 53. Kf4 {Strongly threatening Ke5.} Re1 54. Kg4 Rg1+ 55. Kf4 Re1 56. Rd5 Re6 57. f3 Rxd6 {Weighted Error Value: White=0.09 (flawless) /Black=0.05 (flawless)} 1/2-1/2

[Event "FIDE Grand Prix-I Pool-B 2022"]
[Site "Berlin"]
[Date "2022.02.09"]
[Round "5.3"]
[White "Rapport, Richard"]
[Black "Oparin, Grigoriy"]
[Result "1/2-1/2"]
[ECO "D32"]
[WhiteElo "2763"]
[BlackElo "2681"]
[Annotator "TA"]
[PlyCount "115"]
[EventDate "2022.02.04"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,115,23,8,2,0,21,25,0,0,26,21,30,24,43,36,31,31,33,42,37,35,31,26,25,22,31,36,38,0,25,0,0,-16,-22,-12,-31,-22,-18,-25,-20,-16,-23,-20,-16,-22,-13,-41,-22,-17,-10,-91,-91,-91,-52,-48,-43,-54,-48,-54,-50,-66,-64,-61,-61,-71,-70,-139,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-13,-6,-13,-13,-13,-13,-15,-43,-65,-65,-65,-65,-65,-6,-157]} 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 c5 5. e3 Nc6 6. cxd5 exd5 7. Bb5 cxd4 8. Nxd4 Bd7 9. O-O Bd6 {D32: Tarrasch Defence: Sidelines and lines without g3.} 10. Nf3 {[%cal Oe3e4]} Be6 11. b3 O-O {White has an edge.} 12. Bb2 Qe7 13. Rc1 Rac8 14. Bd3 a6 15. h3 {[#]} Rfd8 $146 ({Predecessor:} 15... Ne5 16. Nd4 Bb8 17. Bb1 Qd6 18. f4 Nc6 19. Nce2 Ba7 20. Ng3 Nxd4 21. Rxc8 Rxc8 22. Bxd4 Bxd4 23. Qxd4 {½-½ (68) Lomineishvili,M (2410)-Kraai,J (2425) Moscow 2005}) 16. Ne2 Ne4 17. Nf4 Bxf4 18. exf4 f6 19. Qe2 Qc7 20. Qe3 Re8 {[%cal Bd8e8,Be8e2,Be2b2][%mdl 32]} 21. Bb1 Bf5 {[%cal Oe4g5]} 22. Rfe1 (22. Nd4 $5 {[%cal Rd4f5]} Bg6 23. f5 $14) 22... Qf7 {[%cal Oe4g5]} 23. Red1 Ng3 {Pair of Knights!} 24. Qd2 {[#]} (24. Ne5 {is more complex.} fxe5 25. fxg3 Bxb1 26. Rxb1 d4 27. Qf2) 24... Re2 $1 25. Qxd5 Qxd5 26. Rxd5 Rxb2 27. Bxf5 Nxf5 28. Rxf5 {[%cal Of3d4]} Rd8 {To avoid Nd4} 29. Rfc5 Rxa2 30. R5c3 Re2 31. f5 h5 32. Kf1 Re4 33. Re1 {[#]} (33. g3 $11 {remains equal.}) 33... Rf4 $1 $17 34. Rc5 Rd6 35. Re6 Rd1+ 36. Ke2 Rb1 37. Nd2 Rb2 {...Rd4 is the strong threat.} 38. Ke3 Rd4 39. Rcxc6 {Threatens to win with Rc8+.} Rdxd2 $15 {[%mdl 4096] Endgame KRR-KRR} ({Much worse is} 39... Rbxd2 40. Rc8+ Kh7 41. Ree8 $11) 40. Rc8+ Kh7 41. Rc7 {[#]} (41. g4 $1 $15) 41... Rxf2 (41... Re2+ $1 $17 42. Kd4 Rbd2+ 43. Kc3 Rc2+ 44. Kd4 Red2+ 45. Ke3 Rxf2 46. Rxb7 Rxf5) 42. Rxf6 $11 Rxg2 43. Rxb7 {[#]} Rxb3+ $1 44. Rxb3 {aiming for Rb7.} gxf6 $17 {KR-KR} 45. Rb6 Kg7 46. Rb7+ Kf8 47. Rb6 {[%csl LRa6,LRf6]} Ke7 48. Re6+ Kf7 49. Rxa6 Rg3+ 50. Kf2 Rxh3 51. Ra7+ Kg8 52. Kg2 Re3 53. Rb7 Re5 54. Kg3 Rxf5 55. Kh4 Re5 56. Ra7 Kf8 57. Rb7 Re7 (57... Rg5 $15) 58. Rb4 $2 {Weighted Error Value: White=0.09 (flawless) /Black=0.11 (very precise)} ({White should play} 58. Rb6 $11) 1/2-1/2

[Event "FIDE Grand Prix-I Pool-B 2022"]
[Site "Berlin"]
[Date "2022.02.09"]
[Round "5.4"]
[White "Wojtaszek, Radoslaw"]
[Black "Fedoseev, Vladimir"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2686"]
[BlackElo "2704"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2022.02.04"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,60,14,18,20,12,9,20,23,23,20,24,23,18,18,27,18,25,21,19,17,25,22,25,22,18,18,35,14,22,2,30,37,49,43,45,-9,-10,-2,-6,-8,0,-14,-8,0,0,0,0,-2,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 O-O 6. e3 Nbd7 7. a3 {D37: Queen's Gambit Declined: 5 Bf4.} c5 8. cxd5 Nxd5 9. Nxd5 exd5 10. dxc5 $1 Nxc5 11. Be2 Bf5 12. O-O Bf6 13. Be5 Rc8 {[%cal Ba8c8,Bc8c4,Bc4h4,Bh4h6,Bh6c6][%mdl 32]} 14. Bxf6 Qxf6 {[#]} 15. Nd4 $146 ({Predecessor:} 15. Qd4 Qd8 16. Qf4 Bc2 17. Nd4 Ne6 18. Qe5 Qb6 19. Nxe6 fxe6 20. Rac1 Rc6 21. Bg4 Re8 22. h3 Qc7 {½-½ (23) Ghysens,D (2416)-Laube,B (2347) ICCF email 2016}) 15... Ne6 16. Nxf5 Qxf5 17. Bg4 Qe5 18. Qb3 Rc4 19. Bf3 (19. Bxe6 $5 fxe6 20. Qxb7 $11) 19... Nc5 20. Qd1 Rd8 ({Don't do} 20... Qxb2 21. Bxd5 Rc3 22. Rb1 Qxa3 23. Ra1 $14) ({Much less strong is} 20... Rh4 21. g3 Rh6 22. Qxd5 Qxd5 23. Bxd5 $16) 21. Be2 Rh4 {[%csl Gh4][%cal Re5h2] [#]} 22. g3 Rh6 23. Qd4 (23. Rc1 $14 Ne4 24. Bd3) 23... Qxd4 $11 {The position is equal.} 24. exd4 Nb3 {[%csl LRa1,LRd4]} 25. Rad1 Rc6 26. Rd3 Nc1 27. Rd2 Nb3 28. Rd3 Nc1 29. Rd2 Nb3 30. Rd3 Nc1 {Weighted Error Value: White=0.06 (flawless) /Black=0.03 (flawless)} 1/2-1/2

[Event "FIDE Grand Prix-I Pool-B 2022"]
[Site "Berlin"]
[Date "2022.02.10"]
[Round "6.3"]
[White "Oparin, Grigoriy"]
[Black "Wojtaszek, Radoslaw"]
[Result "1/2-1/2"]
[ECO "A09"]
[WhiteElo "2681"]
[BlackElo "2686"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2022.02.04"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,78,-24,3,-4,-11,-24,-37,-52,-31,-43,-31,-62,-46,-43,-36,-36,-31,-33,-29,-101,-93,-86,-85,-83,-83,-95,-64,-59,-57,-53,-55,-129,-116,-203,-192,-227,-198,-281,-95,-102,-8,-4,0,-14,0,0,0,0,0,0,0,0,0,0,-12,-21,91,64,85,87,102,82,91,81,95,101,94,0,97,0,80]} 1. Nf3 d5 {[%cal Bd7d5,Bd5d4][%mdl 32]} 2. c4 d4 3. b4 c5 4. e3 Nf6 5. b5 Qc7 6. exd4 {A09: Réti Opening: 1 Nf3 d5 2 c4.} cxd4 {[#]} 7. Bb2 $146 ({Predecessor:} 7. d3 e5 8. Bg5 Bb4+ 9. Nbd2 Nfd7 10. Be2 O-O 11. O-O Nc5 12. Nb3 Nbd7 13. Rb1 Nxb3 14. axb3 {0-1 (46) Adhiban,B (2660)-Aronian,L (2781) chess24.com INT 2021}) 7... e5 8. Qe2 {[%csl LRd4,LRe5] Black is slightly better.} Bd6 9. Nxd4 $1 O-O 10. Nc2 Nbd7 {[%mdl 1024] Black has compensation.} 11. Nc3 Nc5 12. Ne3 $1 {To avoid Bf5} Be6 13. Qd1 e4 14. Ncd5 (14. Rc1 $11) 14... Nxd5 $17 15. cxd5 Bd7 16. Rc1 Rae8 17. Bd4 b6 18. Nc4 Nd3+ 19. Bxd3 exd3+ 20. Ne3 (20. Be3 $1 $15) 20... Qd8 $1 {aiming for ...Qh4.} 21. g3 {Inhibits Qh4.} (21. O-O $17) 21... Re4 $19 22. Ba1 f5 $1 {Strongly threatening ...f4.} ({Not} 22... Bxb5 23. O-O $17) 23. Qb3 (23. f4 {was called for.}) 23... Qe8 $2 (23... f4 $19 {and Black stays clearly on top.} 24. gxf4 Qh4) 24. Rc6 $17 {[#]} Bxc6 ({Black should play} 24... f4 $1 $17 {[%cal Rf4e3]} 25. gxf4 (25. Rxd6 $2 fxe3 26. f4 exd2+ 27. Kxd2 Re2+ 28. Kc3 Qe4 $19) 25... Qg6 26. Rxd6 Qxd6) 25. dxc6+ $40 {[%mdl 128] White attacks.} Qe6 {And now ...Qxb3 would win.} 26. Qxd3 Bc5 {[%cal Oa7a6]} 27. Qb3 Qxb3 28. axb3 Rb4 {[%csl LRb3,LRb5] Hoping for ...Bxe3.} 29. Ke2 {[%cal Od2d4]} Rxb5 {...Bxe3 is the strong threat.} 30. d4 Bd6 31. Rd1 f4 32. Nc4 f3+ (32... Bb8 $11) 33. Kd3 Bb8 (33... Rxb3+ $2 34. Kc2 Rb5 35. Nxd6 $18) 34. Kc2 Rd8 35. Ne3 Kf7 36. d5 Rc5+ 37. Kb1 Rb5 38. Kc2 Rc5+ 39. Kb1 Rb5 {Weighted Error Value: White=0.19 (very precise) /Black=0.21 (precise)} 1/2-1/2

[Event "FIDE Grand Prix-I Pool-B 2022"]
[Site "Berlin"]
[Date "2022.02.10"]
[Round "6.4"]
[White "Fedoseev, Vladimir"]
[Black "Rapport, Richard"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2704"]
[BlackElo "2763"]
[Annotator "TA"]
[PlyCount "152"]
[EventDate "2022.02.04"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,152,0,0,0,0,0,0,0,9,0,0,0,0,0,9,0,11,6,31,27,28,17,24,20,18,17,37,25,46,13,15,11,102,0,7,1,8,-5,-7,-10,0,-9,-5,-9,-6,-14,-4,-27,-13,-15,0,0,0,0,7,0,6,0,0,0,9,0,0,0,4,0,0,0,0,0,38,0,1,0,10,-93,-64,-92,-97,-118,-109,-219,-205,-252,-212,-234,-177,-251,-260,-254,-243,-471,-413,-444,-445,-420,-439,-454,-496,-739,-682,-1007,-1007,-1007,-1007,-987,-699,-641,-580,-1599,-1468,-1678,-1608,-1257,-1425,-2158,-2075,-2027,-1752,-1447,-1097,-5485,-2625,-29973,-29975,-29971,-29972,-29970,-29972,-29980,-29981,-29980,-29981,-29982,-29983,-29983,-29984,-29983,-29984,-29984,-29982,-29982,-29983]} 1. d4 d5 2. Nf3 Nc6 3. Bf4 Bg4 4. Nbd2 e6 5. e3 Bd6 6. Bxd6 cxd6 7. c4 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} dxc4 8. Bxc4 Nf6 9. h3 {The position is equal.} Bh5 {[#]} 10. Qb3 $146 ({Predecessor:} 10. O-O Rc8 11. Rc1 {½-½ (12) Sorcinelli,A (2056)-Krol,W (1934) LSS email 2016}) 10... Rb8 11. Bb5 O-O 12. O-O Na5 13. Qa3 a6 14. Bd3 b5 15. Rac1 Qb6 16. Rc2 (16. Qc3 {keeps more tension.} Bxf3 17. Nxf3 Nd5 18. Qd2 Nc4 19. Qe2) 16... Rfc8 17. Rfc1 Rxc2 18. Rxc2 Nd5 19. Rc1 Rd8 20. Nh4 f5 21. Bb1 {[%cal Og2g4]} Be2 {Prevents g4.} (21... Rf8 $11 {remains equal.}) 22. Re1 ({White should play} 22. e4 $1 $16 {[%cal Re4d5]} fxe4 23. Nxe4) 22... Nc4 $11 23. Nxc4 Bxc4 24. Nf3 Nf6 25. Rc1 h6 26. Ne1 a5 27. Bd3 Bd5 (27... b4 $5 28. Qa4 Bd5 $11) 28. Be2 Kh7 29. Bf3 Bc4 30. b3 Bd5 (30... b4 $5 31. Qb2 Ba6 $11) 31. Qb2 b4 32. Qc2 Rd7 33. Qc8 Rd8 34. Qc2 Rd7 35. Qc8 {With the idea Bxd5.} Rd8 36. Qc2 Kg8 37. Bxd5 Nxd5 38. Qc4 Kf7 39. Nd3 {[%cal Be1d3,Bd3b2,Bb2c4][%mdl 32]} g5 40. Nb2 h5 41. Qc6 Qa7 42. Nc4 Ke7 43. Re1 (43. a3 $11 {keeps the balance.}) 43... Qa8 $1 $17 {Black keeps a firm grip on the game.} 44. Qxa8 Rxa8 $15 {[%cal Bd8a8,Ba8c8,Bc8c3][%mdl 4128] Endgame KRN-KRN} 45. a4 Nf6 $1 46. Rc1 (46. Nb6 $17 Ra6 47. Nc4) 46... Rc8 $19 {Strongly threatening ...d5.} 47. Rb1 d5 $1 48. Ne5 Rc3 49. g3 (49. Kf1 $142) 49... Rc2 {Threatens to win with ...Ne4.} 50. Nd3 {[#]} Ne4 $1 51. h4 $2 (51. Rb2 Rxb2 52. Nxb2) 51... Nd2 52. Rc1 Rxc1+ 53. Nxc1 gxh4 54. gxh4 {[#] KN-KN} f4 $1 {And now ...Kf6 would win.} 55. Kg2 (55. Nd3 $142 Nxb3 56. Kf1 fxe3 57. fxe3) 55... Kf6 56. Nd3 {[%cal Od3b4]} fxe3 57. fxe3 Nxb3 58. Kf3 Nd2+ 59. Ke2 Ne4 60. Nf4 Ng3+ 61. Kd2 Kf5 62. Kd3 Kg4 63. Nxe6 Ne4 64. Nf4 Nc3 65. Ng6 Nxa4 {...Nb6 is the strong threat.} 66. e4 dxe4+ 67. Kxe4 Nc3+ {Black mates.} 68. Kd3 a4 {[%cal Ba5a4,Ba4a3,Ba3a2][%mdl 32]} 69. Kc4 a3 70. Kb3 a2 71. Kb2 {[#]} b3 $1 72. Ne5+ (72. Ka1 Nb5) 72... Kxh4 73. Nf3+ Kg3 74. Nd2 {[#]} h4 $1 {[%cal Bh5h4,Bh4h3,Bh3h2][%mdl 32]} 75. Nxb3 {[#]} h3 $1 76. Kxc3 h2 {Weighted Error Value: White=0.43/Black=0.12 (very precise)} 0-1

