[Event "New York Winter Invitational GM-B 2022"]
[Site "New York"]
[Date "2022.01.14"]
[Round "1.1"]
[White "Perez, Robert"]
[Black "Barbosa, Oliver"]
[Result "0-1"]
[ECO "A62"]
[WhiteElo "2362"]
[BlackElo "2510"]
[Annotator "TA"]
[PlyCount "131"]
[EventDate "2022.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,131,32,35,44,39,34,45,16,35,0,0,0,10,12,25,19,23,19,27,33,25,25,39,27,24,4,8,-36,-7,-22,0,-45,13,-19,0,0,38,28,93,100,112,10,106,54,47,55,71,39,50,52,75,31,154,0,0,0,0,0,0,0,0,-109,-28,-33,-28,-39,5,0,0,-56,-53,-301,-302,-286,-212,-210,-217,-217,-200,-475,-468,-478,-440,-458,-472,-464,-472,-471,-462,-469,-440,-430,-445,-706,-702,-689,-670,-12761,-625,-12792,-12792,-12808,-12795,-12788,-12302,-6812,-6422,-6317,-6086,-5881,-5177,-5147]} 1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Nf3 Bg7 8. Bg2 O-O 9. O-O Re8 10. Bf4 a6 11. a4 Nh5 {The main line 11...Nh5 scores better than 11...Ne4.} 12. Bg5 {A62: Modern Benoni: Fianchetto Variation without early ...Nbd7.} Qc7 13. Qd2 Nd7 14. h3 {White is slightly better.} Rb8 15. a5 b5 16. axb6 $1 {[#]} Qxb6 $146 ({Predecessor:} 16... Rxb6 17. Ra2 Ne5 18. Nxe5 Bxe5 19. e4 Bd7 20. Kh2 Reb8 21. f4 {0-1 (21) Kaufman,R (2301)-Gerzhoy,L (2481) Santa Clara 2014}) 17. Ra2 Qb3 18. Bh6 Bh8 19. Rfa1 Nb6 20. g4 Nc4 21. Qc1 Nf6 {[%cal Bh5f6,Bf6d7,Bd7b6][%mdl 32]} 22. Nd2 {Prevents Ne4.} Nxd2 23. Qxd2 Nd7 24. Nd1 (24. Bf4 $11 {is superior.}) 24... Nb6 25. Ra3 Qb4 {Strongly threatening ...Qxd2.} (25... Qb5 $5 {[%cal Rb6c4]} 26. Re3 (26. Nc3 Qb4 $15) 26... Rxe3 27. Qxe3 Bd7 $11) 26. Re3 Bb7 ({Black should play} 26... Rxe3 $15 27. Qxb4 cxb4 28. Bxe3 Nc4) 27. Rxe8+ Rxe8 28. e4 Qb5 29. Bf1 Qb3 (29... Qb4 $11) 30. Ra3 $16 Qb4 31. f3 (31. Bxa6 $6 Bxd5 $1 32. exd5 Re1+ 33. Kg2 Qxd2 34. Bxd2 Rxd1 $11) (31. Qc2 $16 {aiming for Rb3.} c4 32. Be3) 31... Ra8 (31... Bd4+ $11 {remains equal.} 32. Kh2 Bg7) 32. Qxb4 (32. Qc2 $16) 32... cxb4 $14 33. Ra5 Nd7 {[%cal Of7f5]} 34. Bd2 Bd4+ 35. Be3 Bf6 36. Kf2 (36. Kg2 $16) 36... Rc8 (36... Bh4+ $14 37. Kg2 f5) 37. Bd3 $2 (37. Bxa6 Ra8 38. Bxb7 (38. g5 Bg7 $17) 38... Rxa5 $17) (37. Ra4 $1 $16) 37... Ne5 $36 {[%mdl 2048] Black has good play.} 38. Ke2 ({But not} 38. Bxa6 Ra8 39. f4 (39. g5 Bg7 $17) 39... Nd7 $17) 38... Bd8 39. Ra1 a5 40. b3 f5 41. Rc1 {[#]} (41. gxf5 $11 gxf5 42. Bd4) 41... fxe4 (41... Rxc1 $1 $17 42. Bxc1 Nxd3 43. Kxd3 Ba6+ 44. Ke3 Bb6+ 45. Kd2 fxe4 46. fxe4 Bf1) 42. Bxe4 Ba6+ 43. Kd2 Bf6 (43... Rxc1 $15 44. Kxc1 Bf1) 44. Rxc8+ Bxc8 45. Bb6 (45. f4 $11 Nd7 46. Bd3) 45... a4 $1 $15 {[%cal Ba5a4,Ba4a3][%mdl 32] Threatens to win with ...a3.} 46. Ba5 $2 {This costs White the game.} ({White should try} 46. Kc2 $1 $15 Nc4 47. Bf2 (47. bxc4 $2 b3+ 48. Kb1 a3 $19) 47... Na3+ 48. Kc1) 46... a3 $19 (46... axb3 47. Bxb4 Nc4+ 48. Kc1 $15) 47. Bb1 Nxf3+ 48. Ke3 Nd4 49. Ke4 h5 ({Weaker is} 49... Nxb3 50. Bxb4 Ba6 51. Ne3 $17) 50. Ne3 (50. Bxb4 {only move.} hxg4 51. hxg4) 50... hxg4 {Black is clearly winning.} 51. hxg4 {[#]} Nb5 $1 {Hoping for ...Nc3+.} 52. Bxb4 Bc3 53. Bxa3 Nxa3 54. Bd3 Bd7 55. Kf3 Kg7 56. g5 Nb5 {And now ...Nd4+ would win.} 57. Ng2 (57. Ke4 $142) 57... Nd4+ 58. Kf2 Bd2 59. Ne3 Nxb3 (59... Bxe3+ $142 60. Kxe3 Nxb3) 60. Ke2 Bxe3 61. Kxe3 Bf5 {( -> ...Bxd3)} 62. Bc4 Nc5 63. Be2 Kf8 64. Kf4 Ke7 65. Ke3 Kd7 66. Kd4 {Weighted Error Value: White=0.66/Black=0.33} 0-1

[Event "New York Winter Invitational GM-B 2022"]
[Site "New York"]
[Date "2022.01.14"]
[Round "1.2"]
[White "Mandizha, Farai"]
[Black "Rohde, Michael"]
[Result "1/2-1/2"]
[ECO "D24"]
[WhiteElo "2377"]
[BlackElo "2345"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2022.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,82,-13,-10,0,0,0,-4,0,0,0,0,0,0,0,-16,-20,-12,-21,-16,39,39,62,45,178,72,171,202,167,-38,0,-90,-40,-157,-116,-162,-150,-168,-150,-144,0,-295,-320,-327,-321,-328,-326,-337,-346,-344,-331,-317,-297,-688,-374,-371,-337,-350,-293,-535,-231,-225,-144,-144,-143,-293,-136,-136,-108,-127,-122,-137,-123,-385,-356]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 a6 5. Bg5 dxc4 6. a4 c5 {D24: Queen's Gambit Accepted: 3 Nf3 Nf6 4 Nc3.} 7. e3 cxd4 8. exd4 {[#]} h6 $146 {The position is equal.} ({Predecessor:} 8... Nc6 9. Bxc4 Be7 10. O-O O-O 11. Re1 Bd7 12. Qe2 Rc8 13. Rad1 Nd5 14. Bxd5 Bxg5 15. Be4 Bh6 16. d5 exd5 17. Rxd5 g6 18. Red1 Rc7 19. Rd6 Bf4 20. R6d3 {1-0 (41) Wang,H (2680)-Volokitin,A (2668) Calimanesti Caciulata 2016}) 9. Bxf6 Qxf6 10. Bxc4 Bb4 11. O-O O-O 12. Rc1 Nc6 13. Qd3 Rd8 {[%cal Rc6d4]} 14. Rfd1 b6 ({Black should play} 14... Bd7 $11) 15. Qe4 $14 Bb7 16. Bd3 {Threatens to win with Na2. White is more active.} Bd6 (16... Qf5 $14) 17. Qh7+ $1 $18 Kf8 18. Ne4 Qf4 19. Ng3 $2 (19. d5 $18 Ne5 20. Nxd6 Nxf3+ 21. gxf3 Qxd6 22. dxe6 fxe6 23. Bg6 Qxd1+ 24. Rxd1 Rxd1+ 25. Kg2) 19... Ne7 (19... Nxd4 20. Nxd4 Qxd4 21. Be4 (21. Bxa6 Qxa4 22. Nf5 exf5 $11) 21... Bxe4 22. Nxe4 $18 (22. Rxd4 $2 Bxh7 23. Rcd1 Ke7 $19)) (19... Rac8 $5 {[%cal Rc6d4]} 20. Ne2 (20. Nh5 $2 Qg4 $19) 20... Qf6 $15) 20. Qh8+ (20. Nh5 Qg4 21. Ng3 (21. Qh8+ Ng8 $15) 21... Bxf3 22. gxf3 Qg5 $15) 20... Ng8 21. Bh7 (21. Nh5 $1 $15 Qg4 22. Ng3 Bxf3 23. gxf3) 21... Ke7 ({Black should try} 21... Bxf3 22. gxf3 Ke7 23. Qxg7 Nf6) 22. Qxg7 (22. Ne5 $17 Bxe5 23. dxe5) 22... Bxf3 $19 23. gxf3 {Hoping for Re1.} Nf6 $1 {[%cal Od8g8] aiming for ...Rg8!} 24. Bg6 {[%csl Gg6][%cal Rg7f7]} Nd5 (24... Ne8 25. Qh7 Qf6 26. Be4 $14) (24... Rf8 $1 $17 25. Nf5+ Qxf5 $1 26. Bxf5 Rg8 27. Qxg8 Rxg8+ 28. Kf1 (28. Bg4 h5 $17) 28... exf5) 25. Bh5 {[%mdl 8192]} (25. Nf5+ Qxf5 $1 26. Bxf5 Rg8 27. Qxg8 (27. Qg4 $2 exf5 28. Qxg8 Rxg8+ 29. Kh1 Kd7 $19) 27... Rxg8+ 28. Kh1 (28. Bg4 h5 $17) 28... exf5 $17) (25. Re1 $11 {and White is okay.} Rg8 26. Rxe6+ Kd7 27. Qxf7+ Qxf7 28. Bxf7) 25... Rg8 26. Qh7 Rg5 {[%cal Og5h5] Strongly threatening ...Rxh5!} 27. Bg4 Nf6 $1 28. Qd3 h5 (28... Nxg4 29. fxg4 Qxg4 30. Re1 $15) 29. Bh3 (29. h4 Rg7 30. d5 hxg4) 29... h4 {[%mdl 64] Pin} 30. Bg2 Nd5 ({Weaker is} 30... hxg3 31. fxg3 Qf5 32. f4 Qxd3 33. Rxd3 $11) 31. Re1 $2 (31. Qe4) 31... hxg3 32. fxg3 Rxg3 33. hxg3 Qxg3 34. Re4 $2 (34. Re2) 34... Rg8 (34... Nf4 $142 35. Rxf4 Bxf4) 35. Qe2 Nf4 $40 {[%mdl 128] Black is out for blood.} 36. Rxf4 Bxf4 37. Rc2 (37. Rc3 $17) 37... Bd6 ({Worse is} 37... Qh2+ 38. Kf1 $17) (37... Rd8 $1 $19 {[%cal Rd8d4] has better winning chances.} 38. Qe4 Rxd4 $3 {[%mdl 512]} 39. Rc7+ (39. Qxd4 $2 {perishes.} Qe1+ 40. Bf1 Be3+ 41. Qxe3 Qxe3+ 42. Kg2 Qb3 $19) 39... Bxc7 40. Qxd4 Bd6 41. Qxb6 Qf4) 38. Kf1 a5 39. Qe4 Rg5 40. Qb7+ Kf6 41. Qxb6 $2 {[%mdl 8192] [#]} (41. Qe4 $17) 41... Bb4 $1 {[%mdl 32768] Weighted Error Value: White=0.67/Black=0.49. An unexpected result.} 1/2-1/2

[Event "New York Winter Invitational GM-B 2022"]
[Site "New York"]
[Date "2022.01.14"]
[Round "1.3"]
[White "Tsay, Vincent"]
[Black "Jacobson, Brandon"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2295"]
[BlackElo "2530"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2022.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,62,0,0,-6,-1,0,-20,-26,-42,-19,-27,0,-11,0,-17,0,0,-6,-56,-46,-45,-37,-34,-45,-27,-14,-55,-50,-74,-50,-107,-92,-191,-181,-193,-195,-193,-205,-198,-169,-199,-200,-225,-223,-252,-101,-100,-72,-80,-80,-80,-80,-84,-82]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Bb4+ 5. Nbd2 dxc4 6. Bg2 b5 {Prevents Qa4. E04: Open Catalan: 5 Nf3.} 7. O-O $1 {[%cal Od2c4]} O-O 8. Ne1 c6 {The position is equal.} 9. Nc2 Be7 10. a4 Ba6 11. axb5 Bxb5 12. Nb1 Nbd7 13. Nc3 {[#]} Nd5 $146 ({Predecessor:} 13... Qb6 14. e4 a5 15. Ra2 Rfd8 16. Be3 a4 17. Qe2 Qb7 18. f4 Ba6 19. g4 Ne8 {½-½ (74) Pilgram,K (1816)-Bokros,J (1652) LSS email 2013}) 14. Qd2 (14. Nxb5 $11 cxb5 15. e4) 14... a5 $15 15. Rd1 Qb6 16. Na3 Ba6 17. e4 Nxc3 18. Qxc3 (18. bxc3 $11 e5 19. Rb1) 18... Qb3 19. Nc2 Bb5 20. Bf1 ({White should try} 20. Be3 $15) 20... Nb6 $17 21. Ne3 (21. Be3 $17 {keeps fighting.}) 21... Bb4 $19 22. Qxb3 cxb3 23. Bd2 Bxd2 24. Rxd2 a4 25. Rc1 Rfd8 26. Rdd1 Rac8 27. Rc5 Nd7 (27... a3 $19 {is more deadly. aiming for ...Na4.} 28. bxa3 (28. Bxb5 $2 cxb5 29. bxa3 b2 $19) 28... Na4) 28. Rcc1 $17 {Black is better.} Nf6 29. f3 Kf8 30. Nc4 Rb8 31. Na3 Ne8 {Weighted Error Value: White=0.16 (very precise) /Black=0.13 (very precise)} 1/2-1/2

[Event "New York Winter Invitational GM-B 2022"]
[Site "New York"]
[Date "2022.01.14"]
[Round "1.4"]
[White "Grinberg, Eyal"]
[Black "Martinez Alcantara, Jose Eduardo"]
[Result "1-0"]
[ECO "B92"]
[WhiteElo "2492"]
[BlackElo "2615"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2022.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,75,7,8,17,8,19,13,14,30,29,45,43,60,67,79,52,105,104,97,102,128,127,137,127,133,126,126,103,104,88,113,105,117,115,120,97,150,144,151,160,294,298,331,331,404,390,385,351,580,543,691,592,1010,1056,1231,1230,1189,1125,1093,1045]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. Qd3 Be6 9. O-O O-O 10. Bd2 {B92: Sicilian Najdorf: 6 Be2.} Nbd7 11. Nd5 Bxd5 12. exd5 {The position is equal.} Rc8 13. c4 Ne8 {[#]} 14. Na5 $146 ({Predecessor:} 14. Bc3 Bg5 15. g3 g6 16. h4 Bh6 17. h5 Ng7 18. hxg6 hxg6 19. Kg2 Nf5 20. Rh1 {1-0 (30) Bernadskiy,V (2330)-Promskij,G (2084) Odessa 2009}) 14... Rc7 15. b4 f5 16. Rfd1 Kh8 ({Better is} 16... e4 $14 17. Qh3 g6) 17. Rac1 $1 $16 Qc8 18. a4 e4 19. Qg3 Bf6 {[#]} 20. c5 $1 {c6 is the strong threat.} Bb2 21. Rb1 Be5 22. Bf4 Bxf4 23. Qxf4 b6 (23... dxc5 $2 24. d6 Nxd6 25. Qxd6 $18) 24. Nc6 $36 {[%mdl 2048] White is in control.} ({Not} 24. cxd6 Rc2 25. Nc6 Rxe2 $17) 24... bxc5 25. b5 axb5 26. Bxb5 Ndf6 (26... Nb8 $142) 27. a5 {[%cal Ba4a5,Ba5a6,Ba6a7][%mdl 1056] White has strong compensation.} g5 28. Qd2 {aiming for a6.} (28. Qxg5 Rg8 29. Qc1 f4 30. Qxf4 Qh3 $11) 28... Rg7 (28... f4 $16 {was called for.}) 29. Bc4 $18 {Hoping for Rb8.} f4 {[#]} 30. a6 $1 f3 31. a7 Qg4 {[%csl Gf3][%cal Rg4g2]} 32. Bf1 {Active counter play!} Nc7 (32... Rxa7 33. Nxa7 fxg2 34. Bxg2 Ng7) 33. Rb8 {White is clearly winning.} Rgf7 34. g3 Na8 35. Rdb1 {[%cal Bd1b1,Bb1b7,Bb7b8][%mdl 32]} Qf5 36. R1b7 {White threatens Rxf7 and mate.} Kg7 37. Rxf8 Kxf8 38. Rb8+ {Black did not feel at home in the position after the opening.  Weighted Error Value: White=0.05 (flawless) /Black=0.36} 1-0

[Event "New York Winter Invitational GM-B 2022"]
[Site "New York"]
[Date "2022.01.14"]
[Round "1.5"]
[White "Tian, Eddy"]
[Black "Korley, Kassa"]
[Result "1-0"]
[ECO "A61"]
[WhiteElo "2411"]
[BlackElo "2394"]
[Annotator "TA"]
[PlyCount "117"]
[EventDate "2022.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,117,35,45,58,63,35,48,41,35,34,27,43,120,123,114,113,123,87,123,116,126,128,136,104,119,102,106,114,103,108,164,129,116,124,139,105,169,167,271,120,116,100,111,103,112,75,77,73,72,76,85,83,114,114,114,114,114,114,114,114,121,114,114,114,114,114,114,114,114,114,114,114,114,114,114,0,375,368,353,318,263,249,12582,10983,29968,29970,29967,29968,29963,29943,29948,29948,29951,29947,5057,4133]} 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bf4 Bg7 8. Qa4+ Bd7 9. Qb3 b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 10. Bxd6 Qb6 11. Be5 O-O 12. e3 c4 13. Qd1 {A61: Modern Benoni: Nf3 without early e4.} b4 14. Nb1 ({Reject} 14. Bxc4 bxc3 15. Bxc3 Re8 $15) (14. Ne2 $5 {[%cal Re2f4]}) 14... Rc8 15. Be2 {White is slightly better.} Bb5 {[%cal Oc4c3]} 16. a3 Nbd7 17. Bd4 {[#]} Qb7 $146 (17... Qa5 $1 $14) ({Predecessor:} 17... Qa5 18. O-O Bf8 19. d6 Ne4 20. Nbd2 Nxd6 21. axb4 Qxb4 22. Bc3 Qc5 23. Nd4 a6 {½-½ (46) Spalir,J (2342)-Lalith,B (2530) Pardubice 2017}) 18. axb4 $16 Nxd5 19. O-O {Threatens to win with Bxg7.} Nxb4 20. Na3 {Bxg7 is the strong threat.} a6 21. Bxg7 Kxg7 22. b3 Nf6 23. Nxc4 {[#] And now Nd6 would win.} Rd8 24. Qc1 Qe7 25. Qb2 Rab8 26. Nd4 Nc6 (26... Kg8 $16 27. Rfb1 Ne4) 27. Nxb5 axb5 28. Na3 Qb4 29. Rfd1 {To avoid Rd2} Rxd1+ (29... Na5 $16 {was necessary.}) 30. Rxd1 $18 Na5 (30... h6 $142 31. Nc2 Qe7) 31. Nxb5 (31. g4 $18 {aiming for g5.} h6 32. h4) 31... Qxb3 $16 32. Qe5 Nc6 33. Qc5 {White is more active.} Qb2 34. Nc3 ({But not} 34. Qxc6 $2 Qxe2 35. Nc3 Qc2 $19) (34. Kf1 {is interesting.} Ne5 35. Nd4 Ned7 36. Qg5 Qb1 37. Qa5) 34... Rb3 35. Qxc6 Rxc3 36. Qf3 Rc2 37. Bd3 Rc1 38. Rxc1 Qxc1+ 39. Bf1 Qc3 40. g3 Qe5 41. Qd1 h5 42. h4 Qe7 43. Bg2 Kg8 44. Qd4 Qe6 45. Bf3 Kg7 46. Kg2 Qe7 47. Bc6 Qe6 48. Qa4 Ng4 49. Qd4+ ({White should try} 49. Bf3 $16) 49... Kg8 $2 {[%mdl 8192]} (49... Nf6 $1 $11 50. Ba4 Qa2) 50. Bd7 $18 Qe7 51. Bxg4 hxg4 52. Qxg4 {[%mdl 4096] [#] Endgame h5 would kill now. KQ-KQ} Qe5 {Prevents h5.} (52... Kh7 53. h5 gxh5 54. Qxh5+ Kg7) 53. h5 Kh7 54. hxg6+ fxg6 55. Qh4+ Kg8 56. Qd8+ Kh7 57. Qd7+ Kh6 58. Qd4 Qe8 59. e4 {Weighted Error Value: White=0.12 (very precise) /Black=0.41} 1-0

[Event "New York Winter Invitational GM-B 2022"]
[Site "New York"]
[Date "2022.01.14"]
[Round "2.1"]
[White "Barbosa, Oliver"]
[Black "Korley, Kassa"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "2510"]
[BlackElo "2394"]
[Annotator "TA"]
[PlyCount "42"]
[EventDate "2022.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,42,15,40,0,34,13,18,7,55,55,59,53,58,47,49,42,41,41,41,39,45,32,41,33,35,25,21,31,32,-18,-3]} 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Be2 Qb6 7. O-O Nge7 {Recently 7...Nh6 got a lot of attention.} 8. Na3 {C02: French: Advance Variation.} a6 9. Nc2 cxd4 10. cxd4 {[#]} f6 $146 (10... Nf5 $11) ({Predecessor:} 10... Nb4 11. Ne3 Ng6 12. g3 Bb5 13. Bxb5+ Qxb5 14. Qb3 Be7 15. Bd2 Nc6 16. Qc2 O-O 17. a4 Qb6 18. Qd3 Bb4 19. Bxb4 Nxb4 20. Qb3 Rfc8 21. Rfc1 {½-½ (21) Kunisch,S (2041)-Sinnwell,H (2037) Nordrheinwestfalen 2019}) 11. Bd3 $14 Ng6 {[#]} 12. Nh4 $1 Nxh4 ({Not} 12... Ncxe5 13. dxe5 Nxe5 14. Be3 $16) 13. Qh5+ g6 14. Qxh4 {[%cal Od3g6] Bxg6+! is the strong threat.} f5 15. b4 Be7 (15... Nxb4 $2 16. Rb1 $18) 16. Qh6 Nd8 (16... Nxd4 $2 17. Qg7 O-O-O 18. Be3 $18) 17. a4 $1 {Inhibits Bb5.} Nf7 18. Qe3 O-O 19. Kh1 Rfc8 ({Weaker is} 19... Bxb4 20. Nxb4 Qxb4 21. Ba3 $16) 20. Bd2 Qd8 21. Qe2 (21. Ra2 $14) 21... Qe8 {Weighted Error Value: White=0.09 (flawless) /Black=0.07 (flawless)} 1/2-1/2

[Event "New York Winter Invitational GM-B 2022"]
[Site "New York"]
[Date "2022.01.14"]
[Round "2.2"]
[White "Martinez Alcantara, Jose Eduardo"]
[Black "Tian, Eddy"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2615"]
[BlackElo "2411"]
[Annotator "TA"]
[PlyCount "132"]
[EventDate "2022.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,132,16,15,12,8,-26,-17,-23,-38,-22,-35,-31,-20,-9,7,0,22,0,97,33,217,219,196,175,182,183,174,171,170,152,157,0,25,0,0,0,0,0,4,0,0,4,3,0,0,0,0,0,0,0,0,0,6,0,0,0,4,5,5,0,0,0,0,0,0,-27,-11,-34,0,0,0,0,0,0,6,0,35,35,35,0,11,7,15,15,14,0,28,13,4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,133,77,133,0,0,0,0,0,0,0,0]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h5 5. Bd3 Bxd3 6. Qxd3 {[%cal Oe5e6] B12: Caro-Kann: Advance Variation.} Qa5+ $1 {[%mdl 4] now scores much better than the old 6...e6.} 7. b4 Qxb4+ 8. Nd2 {[%cal Oe5e6]} e6 9. Rb1 Qe7 10. Ne2 {[#]} Qc7 $146 ({Predecessor:} 10... b5 11. Nf3 Na6 12. O-O Nc7 13. a4 Qd7 14. Nf4 a5 15. Bd2 Ne7 16. Ra1 b4 {1-0 (40) Pichot,A (2628)-Gretarsson,H (2577) Riga 2021}) 11. c4 $36 {[%mdl 2048] White fights for an advantage.} Ne7 12. O-O Nd7 13. Ba3 c5 (13... Nb6 $11) 14. Nf4 {White is more active.} ({Better is} 14. Nc3 $16 {And now Nb5 would win.} a6 15. Bxc5) 14... dxc4 $2 (14... O-O-O $14) 15. Nxc4 $18 Nc6 16. d5 Ncxe5 17. Nxe5 Nxe5 18. Qb5+ Qd7 19. Qe2 ({Reject} 19. Qxb7 $6 Qxb7 20. Rxb7 exd5 $11) 19... Qc7 20. Qb5+ (20. Bb2 $16 Ng4 21. f3 $1) 20... Qd7 $11 21. Qxb7 (21. Qb3 {looks sharper.} c4 22. Qg3 Bxa3 23. Qxa3 Qe7 24. Qxe7+ Kxe7 25. Rxb7+ Kf6 26. dxe6 Kf5 27. g3) 21... Qxb7 22. Rxb7 exd5 23. Nxd5 Rd8 24. Ne3 Rd7 25. Rfb1 {[%cal Oa3c5]} Nc6 $1 26. Rxd7 Kxd7 27. Rb7+ Ke6 28. Rc7 Nb4 29. Rc8 g6 30. Bb2 f6 $1 31. Re8+ Kf7 32. Ra8 Nc6 33. Rc8 Nd4 34. Rc7+ Ke6 35. Rxa7 Bd6 36. Nc4 {aiming for Bxd4.} Rb8 37. Ra4 (37. Ra6 $5 {[%cal Ra6d6]} Kd5 38. Ne3+ Ke6 39. Nc4 $11) 37... Kd5 38. g3 Nf3+ 39. Kg2 Ne5 40. Ne3+ Ke6 41. Bc3 Nd3 42. Nc4 Be7 43. Ra6+ Kf7 44. Ne3 Rb7 45. Kf3 Nb4 46. Ra8 Ke6 47. a4 Nd5 48. Ra6+ Bd6 49. Nxd5 Kxd5 {[%mdl 4096] Endgame KRB-KRB} 50. Ke2 ({Avoid the trap} 50. Bxf6 $2 Rf7 51. Ke2 Rxf6 $19) 50... Be5 51. Bxe5 Kxe5 {KR-KR} 52. Rc6 Rb2+ 53. Ke3 Rc2 54. a5 c4 {[%cal Bc5c4,Bc4c3,Bc3c2][%mdl 32]} 55. Rc5+ Kd6 56. Rb5 c3 {[%cal Oc2f2]} 57. Rb6+ Ke7 58. a6 {Threatens to win with Kd3.} Ra2 59. f3 ({Don't take} 59. Rc6 g5 $14) 59... c2 60. Kd2 Kf7 61. Kc1 f5 {[#]} (61... g5 $11 {keeps the balance.}) 62. Rc6 ({White should play} 62. f4 $1) 62... Kg7 (62... f4 $142 63. gxf4 Kg7) 63. Rc7+ (63. Rd6 $16) 63... Kf6 {The position is equal.} 64. a7 Ke6 65. Kd2 Kf6 66. Rc6+ Kf7 {Black escapes into a draw.  Weighted Error Value: White=0.11 (very precise) /Black=0.13 (very precise)} 1/2-1/2

[Event "New York Winter Invitational GM-B 2022"]
[Site "New York"]
[Date "2022.01.14"]
[Round "2.3"]
[White "Jacobson, Brandon"]
[Black "Grinberg, Eyal"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2530"]
[BlackElo "2492"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2022.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,96,15,12,20,21,20,18,20,23,16,23,58,64,43,52,47,54,39,44,74,86,87,34,36,9,19,10,17,14,8,12,20,31,28,19,20,10,20,0,13,19,14,6,37,20,32,19,46,34,43,42,61,44,79,62,84,87,131,26,28,36,24,25,48,29,42,22,23,0,0,0,0,0,0,0,0,0,17,0,0,0,22,0,5,0,41]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Bd3 Nbd7 6. b3 Bd6 7. Bb2 O-O {A06: Réti Opening: 1 Nf3 d5.} 8. O-O b6 9. Nbd2 Bb7 10. Qe2 Qe7 $1 {The main line 10...Qe7 scores better than 10...c5.} 11. Rad1 c5 (11... Rfd8 {keeps more tension.} 12. e4 Nxe4 13. Nxe4 dxe4 14. Qxe4 Nf6) 12. e4 $1 dxe4 13. Nxe4 Nxe4 14. Bxe4 Bxe4 15. Qxe4 {[#]} Rad8 $146 {[#]} ({Predecessor:} 15... Nf6 16. Qh4 cxd4 17. Nxd4 Rfc8 18. Rd3 a6 19. Rfd1 Ne8 20. Qe4 Qf6 21. g3 Qe5 {1-0 (32) Neverov,V (2483)-Nikitenko,M (2369) St Petersburg 2017}) 16. Rfe1 $1 Rfe8 17. Qc2 ({White should try} 17. d5 $16) 17... Nf8 $14 18. Rd3 Qc7 19. g3 cxd4 20. Nxd4 a6 {Inhibits Nb5.} 21. Red1 Ng6 22. Qe2 Bc5 23. Qe4 Qe5 24. Qb7 Qf6 25. Qe4 {Active counter play!} Qe5 26. Qf3 Qc7 27. Qc6 Qe7 28. Qe4 {Prevents Ne5.} Qc7 29. Bc3 Rc8 30. h4 Nf8 31. Qg4 {[%cal Od4f5] [#] Nf5! is the strong threat.} f5 32. Qe2 h6 33. Kg2 b5 34. cxb5 axb5 (34... Bxd4 $142 35. Bxd4 Qb7+ 36. Kg1 axb5) 35. Nf3 (35. Nxb5 $16 Qb7+ 36. Rf3) 35... b4 $11 36. Be5 Qb7 37. Kh2 Be7 38. Qb2 Bc5 39. R1d2 Re7 40. Bd4 Bxd4 {The position is equal.} 41. Qxd4 Rd7 42. Qe3 {aiming for Rxd7.} Rxd3 43. Rxd3 Qe4 44. Qd2 Kh7 {[%cal Of5f4]} 45. Kg2 Qb7 46. Kh2 Qe4 {[%cal Of5f4]} 47. Kg2 Qb7 48. Kh2 Qe4 {Weighted Error Value: White=0.12 (very precise) /Black=0.07 (flawless)} 1/2-1/2

[Event "New York Winter Invitational GM-B 2022"]
[Site "New York"]
[Date "2022.01.14"]
[Round "2.5"]
[White "Perez, Robert"]
[Black "Mandizha, Farai"]
[Result "0-1"]
[ECO "E60"]
[WhiteElo "2362"]
[BlackElo "2377"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2022.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,80,51,47,52,37,40,54,39,50,60,41,43,39,18,82,24,28,22,10,12,21,6,16,18,35,63,60,31,25,33,37,28,54,20,15,0,6,12,42,25,63,52,27,12,17,16,66,70,70,54,82,86,101,91,95,87,96,86,110,120,235,-210,-190,-333,-333,-5614,-5389,-29985,-29986,-29986,-29987,-29993,-29994]} 1. d4 Nf6 2. c4 g6 3. f3 c5 4. d5 e6 5. Nh3 exd5 6. cxd5 {E60: King's Indian: Unusual lines and Fianchetto Variation without Nc3.} d6 7. Nf2 Bg7 8. e4 {White is slightly better.} O-O 9. Nc3 a6 10. a4 {[#]} Nbd7 $146 ({Predecessor:} 10... Nfd7 11. Be2 f5 12. exf5 Rxf5 13. O-O Nf6 14. f4 Ne8 15. Nfe4 Rf8 16. Ng5 Nc7 {1-0 (54) Ponomariov,R (2714)-Nepomniachtchi,I (2714) Beijing 2014}) 11. Be2 Rb8 (11... Ne8 $1 $11) 12. O-O (12. Bg5 $16) 12... Ne8 $11 13. Bf4 Ne5 14. Qd2 f5 15. exf5 gxf5 16. Bg5 Bf6 17. Bxf6 Qxf6 18. f4 Ng6 19. g3 Bd7 20. Rab1 Rc8 21. Kg2 Qg7 22. Rfc1 Nf6 23. b4 Rfe8 24. Kf1 cxb4 25. Rxb4 Rc7 26. Rcb1 Bc8 27. Rc4 Rce7 (27... Rxc4 $11 28. Bxc4 Nd7) 28. Rb6 $14 Qf8 29. a5 Rg7 30. Bf3 h5 31. Ne2 $1 h4 32. Qb4 hxg3 33. hxg3 Rd8 34. Nd4 {[%cal Oc4c8]} Ne4 {[#]} (34... Ne7 $16) 35. Nxe4 $4 {[%mdl 8192]} (35. Bxe4 fxe4 36. Qe1 (36. Nxe4 $2 Nxf4 37. Qb3 Bh3+ 38. Kf2 Nd3+ 39. Ke3 Ne5 $19) 36... e3 37. Qxe3 Ne7 38. Rxc8 Rxc8 39. Rxd6 (39. Rxb7 Qf6 $16) 39... Qf7 $18) (35. Nxf5 $1 $18 {[%mdl 512] avoids the disaster. aiming for Nh6+.} Nxg3+ (35... Bxf5 36. Bxe4) 36. Nxg3) 35... fxe4 $19 36. Bxe4 (36. Rxc8 {only move.} Rxc8 37. Bxe4 Nxf4 38. Nf5 Rxg3 39. Qxd6 Rf3+ 40. Ke1 (40. Bxf3 $2 {loses.} Qxf5 41. Rb2 Rc1+ 42. Kf2 Nd3+ 43. Kg3 Nxb2 $19) 40... Qxd6 41. Nxd6 Re3+ 42. Kf2) 36... Nxf4 $1 37. gxf4 (37. Ke1 Rxg3 38. Kd1 (38. Rc3 $2 Ng2+ 39. Ke2 Bg4+ 40. Nf3 Nf4+ 41. Kd1 Re8 $19)) 37... Qxf4+ ({Worse is} 37... Bh3+ 38. Ke1 Rg1+ 39. Kf2 Rf1+ 40. Ke3 Qxf4+ 41. Kd3 Rd1+ 42. Kc2 Rc1+ 43. Kb3 Rxc4 44. Bh7+ $1 Kxh7 45. Rxb7+ Rd7 46. Rxd7+ Bxd7 47. Qxc4 $11) 38. Nf3 {[#]} Qe3 $1 {[%cal Rc8h3] Black mates.} 39. Rxc8 Rxc8 40. Rc6 Rf8 {Weighted Error Value: White=0.64/Black=0.14 (very precise)} 0-1

[Event "New York Winter Invitational GM-B 2022"]
[Site "New York"]
[Date "2022.01.15"]
[Round "3.2"]
[White "Tsay, Vincent"]
[Black "Perez, Robert"]
[Result "1/2-1/2"]
[ECO "D77"]
[WhiteElo "2295"]
[BlackElo "2362"]
[Annotator "TA"]
[PlyCount "111"]
[EventDate "2022.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,111,33,29,29,28,22,20,16,11,5,-31,-22,-33,-26,-33,-6,-40,0,0,0,0,0,0,0,0,0,0,0,0,22,18,20,32,19,8,11,20,11,13,21,13,13,17,20,17,17,18,158,18,58,58,72,78,121,76,75,75,68,55,49,0,58,49,55,23,23,8,23,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d5 6. c4 dxc4 7. Na3 c3 8. bxc3 c5 9. Ne5 Nfd7 10. Nac4 Nxe5 11. Nxe5 Bxe5 {D77: Fianchetto Grünfeld: 6 0-0: Replies other than 6...c6.} 12. dxe5 Qc7 13. Bf4 {[%cal Oe5e6]} Be6 $1 {[#]} 14. Qa4 $146 ({Predecessor:} 14. h4 Rd8 15. Qa4 Nd7 16. Rfd1 a6 17. Rab1 b5 18. Qa3 Ra7 19. Be3 Rc8 20. f4 {½-½ (54) Postl,A (2269)-Rohler,S (2169) Austria 2015}) 14... Nc6 15. Qb5 Na5 $1 16. Rfd1 Rad8 17. h4 h5 (17... Kg7 {is more complex.} 18. Qa4 b6 19. Bf3 h5 20. Be4 Nc4) 18. Qa4 {[%cal Oc3c4]} Rxd1+ 19. Rxd1 Rd8 {To avoid Bd5} 20. Rd3 {[%cal Og2d5]} b6 21. Qd1 Rxd3 22. exd3 Qd7 23. Qf3 Qd8 24. a3 Kh7 25. Bg5 {[%cal Og2h3]} Bf5 {Prevents Bh3.} 26. d4 cxd4 {[#] ...d3 is the strong threat.} 27. Bh3 $1 {A strong pair of Bishops.} Qd7 (27... Bxh3 $2 28. Qxf7+ Kh8 29. Bxe7 Qxe7 30. Qxe7 $18) 28. cxd4 {Strongly threatening d5.} f6 $1 29. exf6 exf6 (29... Bxh3 30. f7 Qc6 31. Qxc6 Nxc6 32. f8=Q Nxd4 33. Qf7+ Kh8 34. Bxe7) 30. Bxf5 Qxf5 31. Bf4 Kg7 $1 32. Qa8 Qd7 33. d5 {[%cal Oa3a4]} Nc4 (33... b5 $1 $11) 34. d6 ({Only move:} 34. Qc6 $16 Qxc6 35. dxc6) 34... g5 35. hxg5 fxg5 36. Bxg5 Qxd6 (36... Nxd6 $142 37. Bc1 Nf5) 37. Bf4 ({White should play} 37. Qxa7+ Kg6 {[#]} 38. Qa8 $1) 37... Qd7 38. Qe4 ({Much less strong is} 38. Qf3 Qe6 39. a4 (39. Qxh5 Qe1+ 40. Kg2 Qe4+ 41. f3 Qc2+ 42. Kh3 Qh7 $14) 39... Qe1+ 40. Kg2 Ne5) 38... b5 {[%cal Oh5h4]} 39. Qf3 {[%cal Oa3a4]} Kg6 40. Qe4+ Kg7 {[%cal Oh5h4]} 41. Kh2 a6 42. a4 Qf7 43. Qd4+ Kg6 44. axb5 axb5 {The position is equal.} 45. Qc5 Qf5 46. Qc6+ Kf7 47. Qc7+ Kg6 48. Qe7 Qd5 49. Qe8+ Kg7 50. Qe7+ Kg6 51. Qf8 Qf5 $1 52. Qh8 ({Resist} 52. Qg8+ $6 Kf6 $16) 52... Kf7 53. Qd4 Kg6 54. Bc7 Kf7 55. Kg1 Ke6 56. Bf4 {Weighted Error Value: White=0.11 (very precise) /Black=0.10 (very precise)} 1/2-1/2

[Event "New York Winter Invitational GM-B 2022"]
[Site "New York"]
[Date "2022.01.15"]
[Round "3.3"]
[White "Grinberg, Eyal"]
[Black "Rohde, Michael"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "2492"]
[BlackElo "2345"]
[Annotator "TA"]
[PlyCount "113"]
[EventDate "2022.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,113,30,36,29,31,31,25,-9,-1,0,-1,-15,0,-1,31,23,20,2,62,2,69,82,77,57,68,36,41,27,36,40,62,60,66,53,66,66,66,66,79,66,67,66,77,54,54,54,60,0,54,16,60,37,60,36,60,49,63,43,48,0,66,61,63,61,61,61,72,57,53,39,58,53,54,65,134,134,147,56,107,8,277,248,560,551,1664,870,29951,29952,29950,29952,29943,29950,929,920,886,854,29976,29977,29977,29978,29978,29979,29979,29974]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 d6 5. c3 Bd7 6. O-O g6 7. Re1 {C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5.} Bg7 8. h3 O-O 9. d4 {[#] White has an edge. 9.a4 is setting a new trend.} (9. Be3 {looks sharper.} Re8 10. Nbd2 a6 11. Ba4 h6 12. Bb3) 9... Nxd4 $1 10. Nxd4 exd4 11. Bxd7 Qxd7 12. cxd4 d5 13. e5 Ne4 {[#]} 14. Nd2 $146 ({Predecessor:} 14. f3 Ng3 15. Kh2 Nf5 16. g4 Ne7 17. f4 Rfc8 18. Be3 c5 19. dxc5 g5 20. Bd4 {½-½ (50) Taddei,B (2367)-Valuet,B (2284) Juvisy sur Orge 2013}) 14... Rad8 ({Black should play} 14... c5 $11) 15. Nf1 (15. Nxe4 $14 dxe4 16. Bg5 (16. Rxe4 Rfe8 $14)) 15... f6 (15... Qe7 $1 $11) 16. f3 $1 $14 Ng5 17. Bxg5 fxg5 18. Qc2 c6 19. Rad1 Rf4 20. Ng3 {[%cal Bf1g3,Bg3e2,Be2c1,Bc1d3][%mdl 32]} Qe6 21. Ne2 Rf7 22. Qd2 h6 23. Nc1 Bf8 24. Nd3 {Inhibits c5.} Kh7 25. Rf1 Be7 26. Rf2 h5 27. g4 Kg7 28. Rdf1 Rh8 29. Rh2 (29. Kg2 $14) 29... Rff8 (29... a5 $11) 30. Qe2 Bd8 (30... a5 $11) 31. Qe3 Rh6 32. Kg2 Rhh8 33. Rhh1 Rf7 34. Kg3 Qe7 35. Kg2 Qe6 $1 36. a3 Rff8 37. Rf2 Be7 38. Rhf1 Rf7 39. Qe2 hxg4 40. hxg4 Rh4 41. Rh1 Rxh1 42. Kxh1 b6 {[#]} (42... Qc8 $14) 43. b4 $1 $16 Rf8 44. Kg1 (44. Qd1 $16) 44... a5 (44... c5 $14) 45. f4 ({White should try} 45. Kg2 $16) 45... axb4 $2 {[%mdl 8192] [#] Loses the game.} (45... Qc8 $11) 46. f5 $1 $18 {[%cal Bf4f5,Bf5f6][%mdl 32]} ({And not} 46. axb4 Qc8 $11) 46... Qd7 (46... gxf5 47. gxf5 Rxf5) 47. f6+ Kg8 48. axb4 {e6 would kill now.} Bd8 49. e6 Qd6 50. e7 Bxe7 51. Qxe7 Qxe7 52. fxe7 {KRN-KR} Re8 53. Re2 {[%cal Ob4b5] aiming for b5!} Kf7 54. Ne5+ {White mates.} Kxe7 55. Nxc6+ Kd7 56. Rxe8 Kxe8 57. Ne5 {Weighted Error Value: White=0.16 (very precise) /Black=0.56} 1-0

[Event "New York Winter Invitational GM-B 2022"]
[Site "New York"]
[Date "2022.01.15"]
[Round "3.4"]
[White "Tian, Eddy"]
[Black "Jacobson, Brandon"]
[Result "1/2-1/2"]
[ECO "E62"]
[WhiteElo "2411"]
[BlackElo "2530"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2022.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,41,22,21,24,28,44,34,0,37,43,45,42,38,12,63,61,72,0,74,84,104,0,24,0,119,0,20,0]} 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 c6 7. O-O Bf5 8. Ne1 $1 {[%mdl 4] 8.Ne1 is the modern continuation.} Be6 9. d5 {E62: King's Indian: Fianchetto: 6...c6 and Panno Variation (6...Nc6) without ...a6.} cxd5 10. cxd5 Bd7 11. Nc2 {White is slightly better.} Na6 12. Be3 Qa5 13. Bd4 Rfc8 14. e4 {[#]} Nc7 $146 (14... Ng4 $11) ({Predecessor:} 14... Ng4 15. Bxg7 Kxg7 16. Qd4+ f6 17. Rac1 b5 18. a3 Rc4 19. Qd2 Qb6 20. b3 Rc7 {1-0 (35) Kononenko,D (2608)-Klenburg,M (2368) Pardubice 2013}) 15. a4 $14 Na6 16. Re1 ({White should try} 16. h3 $16) 16... Nb4 (16... Ng4 $1 $11) 17. Ne3 $16 Na6 18. Nc2 (18. e5 $16 dxe5 19. Bxe5) 18... Nb4 $11 19. Ne3 (19. Na3 $11) 19... Na6 $1 $16 20. Nc2 (20. e5 $16 dxe5 21. Bxe5) 20... Nb4 $11 21. Ne3 {Weighted Error Value: White=0.45/Black=0.16 (very precise)} 1/2-1/2

[Event "New York Winter Invitational GM-B 2022"]
[Site "New York"]
[Date "2022.01.15"]
[Round "3.5"]
[White "Korley, Kassa"]
[Black "Martinez Alcantara, Jose Eduardo"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2394"]
[BlackElo "2615"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2022.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,64,27,21,17,28,30,21,22,20,25,15,10,22,29,23,25,28,30,0,0,0,0,0,0,0,0,0,0,0,0,0,22,-11,-8,0,2,2,10,11,31,26,26,26,42,37,38,20,31,30,27,8,18,0,0,0,6]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 Bxd2+ 6. Qxd2 Nc6 {E11: Bogo-Indian.} 7. Nc3 d5 8. Ne5 O-O 9. Bg2 dxc4 10. Nxc6 bxc6 11. O-O Rb8 12. Rfd1 {[%mdl 1024] White has compensation.} Rd8 13. Qc2 Ba6 {[#]} 14. Rd2 $146 ({Predecessor:} 14. Ne4 Nxe4 15. Bxe4 g6 16. Bxc6 Qb4 17. Rab1 Rd6 18. Bf3 Qa5 19. b3 Rb4 20. bxc4 Rxc4 {0-1 (59) Goganov,A (2575)-Vitiugov,N (2729) Nizhnij Novgorod 2013}) 14... c5 15. d5 exd5 16. Nxd5 Nxd5 17. Bxd5 c6 18. Bf3 Rxd2 19. Qxd2 Qd8 20. Qc2 Qa5 21. Bxc6 Qb6 {[%csl LRb2,LRc6]} 22. Be4 g6 23. b3 Qe6 24. Bf3 Rd8 25. Rc1 {[%cal Rb3c4]} cxb3 26. axb3 Rb8 27. Ra1 Qb6 28. Bd5 Bb7 29. Bc4 Rd8 {Inhibits Qd2.} 30. Rd1 Rd4 {The position is equal.} 31. Rxd4 cxd4 32. Qd2 {[#] Strongly threatening Qf4.} Ba6 {Weighted Error Value: White=0.06 (flawless) /Black=0.04 (flawless)} 1/2-1/2

[Event "New York Winter Invitational GM-B 2022"]
[Site "New York"]
[Date "2022.01.15"]
[Round "4.1"]
[White "Barbosa, Oliver"]
[Black "Martinez Alcantara, Jose Eduardo"]
[Result "1/2-1/2"]
[ECO "D27"]
[WhiteElo "2510"]
[BlackElo "2615"]
[Annotator "TA"]
[PlyCount "34"]
[EventDate "2022.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,21,19,26,35,8]} 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 a6 6. O-O c5 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Nbd2 O-O 10. Be2 Nc6 {D27: Queen's Gambit Accepted: Classical main line: 7 e4!? and 7 a4.} 11. Nb3 {[#] Not much happened in this game.} {Predecessor:} Be7 $146 12. Bd2 b6 13. Rac1 Bb7 14. Bc3 Nd5 15. Be1 Rac8 16. a3 Rc7 17. e4 Nf6 {1-0 (93) Song,R (2329)-Li,Y (2246) Chess.com INT 2019} 1/2-1/2

[Event "New York Winter Invitational GM-B 2022"]
[Site "New York"]
[Date "2022.01.15"]
[Round "4.2"]
[White "Jacobson, Brandon"]
[Black "Korley, Kassa"]
[Result "1/2-1/2"]
[ECO "D33"]
[WhiteElo "2530"]
[BlackElo "2394"]
[Annotator "TA"]
[PlyCount "45"]
[EventDate "2022.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,45,20,34,24,31,27,26,22,37,20,18,22,12,0,0,0,0,0,0,0,0,0,0,-29988,0,0,61,-4,-2,-8]} 1. Nf3 Nf6 2. c4 c5 3. Nc3 e6 4. g3 d5 5. cxd5 exd5 6. d4 Nc6 7. Bg2 cxd4 8. Nxd4 Bc5 9. Nxc6 bxc6 10. O-O {D33: Tarrasch Defence: 6 g3 sidelines.} O-O 11. Na4 Bb6 12. Qc2 {White has an edge.} Ba6 13. Nxb6 Qxb6 14. Bg5 Rae8 15. Bf3 Re6 16. Rac1 Rfe8 17. Rfe1 Ne4 18. Bxe4 Rxe4 19. Qxc6 Qxc6 {[#]} 20. Rc2 $146 {[%mdl 8192] [#]} ({Predecessor:} 20. Rxc6 Bxe2 21. Rec1 h6 22. Bd2 Kh7 23. Rc7 Bh5 24. Rxa7 d4 25. Rd7 Bg4 26. Rxf7 {0-1 (33) Yilmaz,M (2630)-Khusnutdinov,R (2484) Chess.com INT 2021}) 20... Qc5 $2 21. Rxc5 $11 Bxe2 (21... Rxe2 $11 22. Rxe2 Rxe2) 22. Rc6 (22. Rxd5 $14 Bf3 23. Rxe4 Bxe4 24. Rd4) 22... d4 23. Rd6 {Weighted Error Value: White=0.56/Black=0.57} 1/2-1/2

[Event "New York Winter Invitational GM-B 2022"]
[Site "New York"]
[Date "2022.01.15"]
[Round "4.3"]
[White "Rohde, Michael"]
[Black "Tian, Eddy"]
[Result "0-1"]
[ECO "E52"]
[WhiteElo "2345"]
[BlackElo "2411"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2022.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,75,-9,-19,-28,21,14,20,26,27,26,22,20,34,19,33,34,75,0,12,4,17,8,6,0,12,0,31,6,6,7,8,0,0,0,11,14,27,22,34,29,32,19,69,30,62,-601,-591,-584,-589,-571,-481,-484,-476,-479,-444,-661,-575,-885,-520,-29991,-2254,-5385]} 1. Nf3 d5 2. d4 e6 3. c4 Nf6 4. Nc3 Bb4 5. e3 O-O 6. Bd3 b6 7. O-O Bb7 8. Bd2 Bd6 9. Qc2 {E52: Nimzo-Indian: Rubinstein: 4...0-0 5 Nf3 d5 6 Bd3 b6.} Nc6 (9... dxc4 $142 10. Bxc4 c5) 10. a3 $11 dxc4 11. Bxc4 {[#] The position is equal.} e5 $146 ({Predecessor:} 11... a5 12. Rad1 Ra7 13. e4 Be7 14. Bg5 Nd7 15. Bf4 Bd6 16. Bxd6 cxd6 17. Nb5 Ra8 18. Nxd6 {1-0 (26) Kuiper,A-Den Hartog,M Rijswijk 2012}) 12. d5 Ne7 {[%cal Re7d5]} 13. e4 c6 14. dxc6 Nxc6 15. Bg5 Nd4 (15... Rc8 $14) 16. Nxd4 (16. Qd3 $1 $16) 16... exd4 17. Bxf6 Qxf6 18. Nd5 Qh6 {[%csl Gd6][%cal Rh6h2]} 19. g3 Kh8 $1 20. Rfe1 b5 21. Ba2 (21. Bxb5 f5 22. Rad1 fxe4 23. Rxd4 Rac8 $11) 21... f5 $1 {Strongly threatening ...Rac8.} 22. e5 d3 $1 23. Qxd3 Bc5 {[%cal Oc5f2]} 24. Qf3 f4 25. g4 Rae8 26. Rad1 {Inhibits Bd4.} Qh4 {[%cal Oh7h5]} 27. b4 Bb6 {[%cal Oh7h5] This bishop pair is nice.} 28. e6 {[%cal Be5e6,Be6e7][%mdl 32]} Rf6 29. e7 ({Not} 29. Bb3 Rh6 30. Kf1 Qxh2 $17) (29. Re4 $5 {[%cal Rd5f6]} Bxf2+ 30. Kf1 Bxd5 31. Rxd5 Qxh2 32. Qg2 $14) 29... Rg6 {[%cal Ob6f2] aiming for ...Bxf2+!} 30. h3 $2 {[%mdl 8192] [#] This move loses the game for White.} (30. Kf1 $14 Rxg4 31. h3) 30... Bxf2+ $1 $19 {[%mdl 512]} 31. Kf1 Bxe1 32. Rxe1 Bxd5 33. Bxd5 {Threatens to win with Bf7.} Rxe7 {[%cal Be8e7,Be7d7,Bd7d8][%mdl 32]} 34. Rc1 {Rc8+ would kill now.} Rd7 35. Rc5 (35. Re1 $142 Rd8 36. Re4) 35... Rd8 {White must now prevent ...Rgd6.} 36. Kg2 Qe1 37. Rxb5 {[#]} (37. Qf2 $19 Qe7 38. Kh2) 37... Rgd6 (37... Re6 $142 $1 {[%mdl 512]} 38. h4 (38. Rb8 Re2+) 38... Re2+ 39. Kh3 Re3 40. Qxe3 Qxe3+ 41. Kh2 Qe2+ 42. Bg2 f3 43. Kg3 fxg2 44. Kh3 g1=Q 45. h5 Qgxg4#) 38. Qxf4 {Weighted Error Value: White=0.57/Black=0.36} 0-1

[Event "New York Winter Invitational GM-B 2022"]
[Site "New York"]
[Date "2022.01.15"]
[Round "4.4"]
[White "Perez, Robert"]
[Black "Grinberg, Eyal"]
[Result "0-1"]
[ECO "D30"]
[WhiteElo "2362"]
[BlackElo "2492"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2022.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,70,16,32,21,22,18,25,26,20,18,35,26,35,18,28,28,35,13,29,27,48,0,0,-29,-11,-12,0,0,-4,-29,-11,-69,-52,-109,-95,-128,-138,-129,-120,-110,-115,-254,-235,-468,-443,-527,-530,-526,-495,-963,-918,-1252,-1225,-29983,-29982,-5389,-1385,-6606,-3196,-29988,-29989,-29989,-29990]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. b3 c5 6. Bb2 {D30: Queen's Gambit Declined: Systems without Nc3.} cxd4 7. exd4 {The old main line.} dxc4 8. bxc4 {[#] White has an edge.} Be7 $146 ({Predecessor:} 8... Qa5+ 9. Nbd2 Ba3 10. Qc1 Bxb2 11. Qxb2 Nc6 12. Be2 Qb4 13. O-O-O b6 14. Qxb4 Nxb4 {½-½ (57) Short,N (2698)-Duda,J (2706) Heraklion 2017}) 9. Bd3 O-O 10. O-O b6 11. Nc3 Bb7 12. Qe2 Nbd7 {[%cal Bb8d7,Bd7f8,Bf8g6][%mdl 32]} 13. Rfd1 Rc8 14. Rac1 Re8 15. Ng5 (15. Bc2 $14 {might be stronger.}) 15... Nf8 $11 {[%cal Of6d5]} 16. Nce4 Nxe4 17. Nxe4 Ng6 {White should prevent ...f5.} 18. g3 f5 19. Nd2 (19. Nc3 $5 {[%cal Re2e6]}) 19... Bf6 20. Nb3 (20. Bc2 $11) 20... Qd7 $15 21. f3 (21. Qf1 $15) 21... a5 $1 $17 {[%cal Ba7a5,Ba5a4,Ba4a3][%mdl 32]} 22. Qf2 {[%cal Od4d5] [#]} a4 $1 23. Na1 a3 24. Bc3 b5 $36 {[%cal Ob5b4,Bb6b5,Bb5c4,Bc4d3][%mdl 2080] Black has strong initiative. Black is more active.} 25. d5 {White does not recover from this.} ({Wrong is} 25. cxb5 $2 {[#]} Rxc3 $1 {[%mdl 512]} 26. Nc2 (26. Rxc3 $2 {loses.} Bxd4 27. Nb3 Bxf2+ $19) 26... Rec8 $19) (25. Nc2 $17) 25... bxc4 $19 26. Bxf6 $2 (26. dxe6 {was called for.} Qxe6 27. Bf1) 26... cxd3 ({Don't blunder} 26... gxf6 $2 27. Rxc4 Ne5 28. Rd4 $17) 27. Rxc8 Rxc8 28. dxe6 Qa4 29. Rb1 (29. Rxd3 $142 gxf6 30. Qb6 Rc1+ 31. Kg2 Bxf3+ 32. Rxf3 Rxa1 33. Qd8+ Kg7 34. Qd7+ Qxd7 35. exd7 Rxa2+ 36. Rf2 Rxf2+ 37. Kxf2) 29... gxf6 30. Rxb7 Qd1+ 31. Kg2 Qxa1 32. e7 Qe5 {( -> ...Rc2)} 33. Qa7 Re8 {...d2 is the strong threat.} 34. Qxa3 Qe2+ 35. Kg1 Ne5 {Weighted Error Value: White=1.22/Black=0.28 (precise)} 0-1

[Event "New York Winter Invitational GM-B 2022"]
[Site "New York"]
[Date "2022.01.15"]
[Round "4.5"]
[White "Mandizha, Farai"]
[Black "Tsay, Vincent"]
[Result "0-1"]
[ECO "C13"]
[WhiteElo "2377"]
[BlackElo "2295"]
[Annotator "ChessBase"]
[PlyCount "116"]
[EventDate "2022.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:04]} e6 {[%emt 0:09:45]} 2. d4 {[%emt 0:00:05]} d5 {[%emt 0:00:06]} 3. Nc3 {[%emt 0:00:03]} Nf6 {[%emt 0:01:32]} 4. Bg5 {[%emt 0:00:47]} dxe4 {[%emt 0:00:23]} 5. Nxe4 {[%emt 0:00:23]} Nbd7 {[%emt 0:00:07]} 6. Nf3 {[%emt 0:01:17]} h6 {[%emt 0:00:08]} 7. Bh4 {[%emt 0:02:52]} c5 {[%emt 0:04:26]} 8. dxc5 {[%emt 0:10:37]} Qa5+ {[%emt 0:01:28]} 9. Qd2 {[%emt 0:00:07]} Qxd2+ {[%emt 0:00:10]} 10. Nfxd2 {[%emt 0:00:09]} Nxe4 {[%emt 0:01:04]} 11. Nxe4 {[%emt 0:00:04]} f5 {[%emt 0:01:50]} 12. Be2 {[%emt 0:10:19]} Kf7 {[%emt 0:01:13]} 13. Nd6+ {[%emt 0:18:24]} Bxd6 {[%emt 0:00:14]} 14. cxd6 {[%emt 0:00:04]} g5 {[%emt 0:00:08]} 15. Bg3 {[%emt 0:01:03]} f4 {[%emt 0:00:12]} 16. O-O-O {[%emt 0:00:32]} fxg3 {[%emt 0:00:59]} 17. hxg3 {[%emt 0:02:08]} Nf6 {[%emt 0:01:31]} 18. f4 {[%emt 0:02:36]} Bd7 {[%emt 0:01:52]} 19. Rhe1 {[%emt 0:03:38]} Rac8 {[%emt 0:03:00]} 20. Rd4 {[%emt 0:00:31]} b5 {[%emt 0:04:23]} 21. Bd3 {[%emt 0:02:29]} Rc5 {[%emt 0:01:50]} 22. f5 {[%emt 0:06:16]} Re8 {[%emt 0:02:10]} 23. fxe6+ {[%emt 0:00:44]} Rxe6 {[%emt 0:02:00]} 24. Rf1 {[%emt 0:01:28]} Kg7 {[%emt 0:06:44]} 25. a4 {[%emt 0:12:34]} a6 {[%emt 0:02:03]} 26. axb5 {[%emt 0:01:21]} axb5 {[%emt 0:00:06]} 27. Rd1 {[%emt 0:01:46]} Ree5 {[%emt 0:01:33]} 28. c4 {[%emt 0:04:56]} bxc4 {[%emt 0:03:22]} 29. Bxc4 {[%emt 0:00:01]} Re2 {[%emt 0:12:00]} 30. b3 {[%emt 0:00:43]} Bf5 {[%emt 0:14:24]} 31. R1d2 {[%emt 0:01:21]} Rxd2 {[%emt 0:03:51]} 32. Kxd2 {[%emt 0:01:26]} Kf8 {[%emt 0:01:13]} 33. Kc3 {[%emt 0:02:19]} Ke8 {[%emt 0:00:44]} 34. Kb4 {[%emt 0:00:33]} Re5 {[%emt 0:01:27]} 35. Rd1 {[%emt 0:00:50]} Be4 {[%emt 0:01:52]} 36. Bb5+ {[%emt 0:03:35]} Kd8 {[%emt 0:00:07]} 37. Re1 {[%emt 0:03:06]} Rd5 {[%emt 0:04:11]} 38. d7 {[%emt 0:00:28]} Re5 {[%emt 0:00:53]} 39. g4 {[%emt 0:07:38]} Nxd7 {[%emt 0:01:11]} 40. Rh1 {[%emt 0:00:01]} Re6 {[%emt 0:01:20]} 41. Rd1 {[%emt 0:00:11]} Bc6 {[%emt 0:00:49]} 42. Bc4 {[%emt 0:00:02]} Rf6 {[%emt 0:01:19]} 43. Rd2 {[%emt 0:00:53]} Kc7 {[%emt 0:01:11]} 44. Re2 {[%emt 0:00:11]} Rf4 {[%emt 0:03:24]} 45. Re6 {[%emt 0:00:01]} Bxg2 {[%emt 0:00:47]} 46. Rxh6 {[%emt 0:00:11]} Rxg4 {[%emt 0:00:52]} 47. Kc3 {[%emt 0:00:04]} Rf4 {[%emt 0:01:10]} 48. Kd2 {[%emt 0:02:34]} Bc6 {[%emt 0:01:13]} 49. Ke3 {[%emt 0:00:38]} Ne5 {[%emt 0:00:28]} 50. Rh7+ {[%emt 0:00:06]} Kb6 {[%emt 0:00:16]} 51. Be2 {[%emt 0:00:35]} Ng4+ {[%emt 0:02:05]} 52. Kd2 {[%emt 0:00:04]} Rd4+ {[%emt 0:01:05]} 53. Kc3 {[%emt 0:00:45]} Re4 {[%emt 0:00:37]} 54. Bd3 {[%emt 0:00:16]} Re3 {[%emt 0:00:42]} 55. Kd2 {[%emt 0:00:08]} Rxd3+ {[%emt 0:00:31]} 56. Kxd3 {[%emt 0:00:12]} Be4+ {[%emt 0:00:02]} 57. Kxe4 {[%emt 0:00:13]} Nf6+ {[%emt 0:00:04]} 58. Kf5 {[%emt 0:00:12]} Nxh7 {[%emt 0:05:23]} 0-1

[Event "New York Winter Invitational GM-B 2022"]
[Site "New York"]
[Date "2022.01.16"]
[Round "5.1"]
[White "Tsay, Vincent"]
[Black "Barbosa, Oliver"]
[Result "1/2-1/2"]
[ECO "E16"]
[WhiteElo "2295"]
[BlackElo "2510"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2022.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,63,9,16,25,38,37,49,40,62,51,56,51,97,95,94,98,125,121,129,130,112,112,242,127,109,89,91,44,43,18,75,68,72,18,20,20,17,16,20,20,20,20,20,0,18,18,35,5,5,5]} 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 Bb4+ 5. Nbd2 O-O 6. Bg2 b6 7. O-O Bb7 8. Ne5 Nbd7 9. Qa4 {E16: Queen's Indian: 4 g3 Bb7 5 Bg2 Bb4+.} Bxd2 10. Bxd2 c5 11. Nxd7 {[#] White is slightly better.} Nxd7 $146 ({Predecessor:} 11... Qxd7 12. Qxd7 Nxd7 13. Rfd1 cxd4 14. Bb4 Rfe8 15. Rxd4 Nf6 16. cxd5 Bxd5 17. Bxd5 Nxd5 {½-½ (44) Chu,R (2270)-Guo,Q (2413) China 2017}) 12. cxd5 exd5 13. Rac1 Qc8 (13... Re8 $14) 14. b3 $16 Bc6 15. Qa3 Qb7 16. dxc5 bxc5 {[#]} 17. Be3 c4 18. Rfd1 Rfc8 (18... Rfe8 $16 {was called for.}) 19. Rd4 (19. bxc4 $18 d4 20. Bxc6 Rxc6 21. Rxd4) 19... cxb3 20. axb3 {[%cal Oc1c6]} Nf6 21. Rcd1 ({White should try} 21. Bh3 $16 {Threatens to win with Rb4.} Bd7 22. Rxc8+ Bxc8 23. Bg2) 21... a5 $14 {To avoid Rb4} 22. Rh4 Rab8 (22... Ne4 $1 $11 {keeps the balance.}) 23. Bd4 $16 {And now Bxf6 would win. White is much more active. A strong pair of Bishops.} Qxb3 {[#]} 24. Qxb3 (24. Qa1 $1 $16) 24... Rxb3 $11 25. Bxf6 gxf6 26. Bxd5 Rb4 27. Rxb4 axb4 28. Bxc6 Rxc6 29. Rd8+ Kg7 30. Rb8 Rc2 31. Rxb4 {Black should prevent Rg4+.} Rxe2 32. Kg2 {Weighted Error Value: White=0.14 (very precise) /Black=0.21 (precise)} 1/2-1/2

[Event "New York Winter Invitational GM-B 2022"]
[Site "New York"]
[Date "2022.01.16"]
[Round "5.2"]
[White "Grinberg, Eyal"]
[Black "Mandizha, Farai"]
[Result "1/2-1/2"]
[ECO "B92"]
[WhiteElo "2492"]
[BlackElo "2377"]
[Annotator "TA"]
[PlyCount "140"]
[EventDate "2022.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,140,12,14,0,27,25,21,22,14,9,24,27,33,16,26,0,0,-14,72,77,73,85,79,67,65,68,87,93,132,132,150,135,198,112,95,86,84,84,65,59,57,61,82,87,129,68,105,71,166,45,70,68,75,59,77,0,43,56,44,45,52,0,0,0,0,0,8,8,8,0,9,0,15,0,29,16,43,22,12,12,16,28,38,0,0,0,0,0,0,-126,-64,-70,-77,-75,0,-117,-110,-148,-154,-189,-108,-168,-156,-148,-158,-219,-219,-216,-150,-161,0,-193,-161,-166,-155,-137,-1,-3,-4,0,0,0,0,0,0,-10,-10]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be6 8. O-O Be7 9. Qd3 {B92: Sicilian Najdorf: 6 Be2.} Nbd7 10. Nd5 Bxd5 11. exd5 O-O 12. Bd2 a5 13. a4 Qc7 14. Rfd1 Rfc8 {[#]} 15. Bc3 $146 ({Predecessor:} 15. Rac1 g6 16. h3 Bf8 17. Qf3 Bg7 18. Bb5 Nc5 19. Nxc5 Qxc5 20. Bg5 Nh5 21. c3 {½-½ (63) Hou,Y (2676)-Nepomniachtchi,I (2720) Dortmund 2015}) 15... Bd8 16. Qh3 Nc5 (16... g6 $11) 17. Bxa5 $16 b6 18. Bb4 Nxa4 {[#]} 19. Bxd6 $1 Qxd6 {[#]} 20. Rxa4 Rab8 (20... g6 21. Rxa8) 21. c3 {White is much more active.} Rc7 22. Bb5 g6 23. Qd3 Re7 (23... Rcc8 $16 24. g3 Be7) 24. Rc4 (24. g3 $18) 24... e4 25. Qg3 (25. Qe2 {is more complex.} Bc7 26. g3 Rd8 27. Rc6 Qe5 28. c4) 25... Qxg3 26. hxg3 {Hoping for Nd4.} Re5 27. Bc6 b5 28. Rb4 e3 29. fxe3 (29. Rxb5 $6 Rxb5 30. Bxb5 exf2+ 31. Kxf2 Ng4+ 32. Kg1 Bb6+ 33. Nd4 Rxd5 $11) 29... Rxe3 (29... Bb6 $142) 30. Nd4 (30. Bxb5 $6 Bb6 31. Kf1 Ne4 $11) (30. Rxb5 $6 Rxb5 31. Bxb5 Bb6 $11) (30. d6 $1 $16) 30... Bc7 31. Rxb5 Rd8 (31... Rxb5 $16 {was called for.} 32. Nxb5 Bb6) 32. Rf1 (32. c4 $1 $18) 32... Be5 33. Rb7 Rxg3 34. Nf3 Bf4 35. Nd4 Be5 36. Nb3 h5 37. Nd2 Rg4 {Prevents Nc4.} 38. Nf3 ({Better is} 38. Rf3 $1 $14) 38... Bf4 $11 39. Rb4 Be3+ (39... Nxd5 40. Rd1 Rxg2+ 41. Kxg2 $16) 40. Kh2 Bc5 ({Don't take} 40... Nxd5 41. Rd1 Bc5 42. Rxg4 (42. Rxd5 Rxd5 43. Rxg4 Bd6+ 44. g3 Rc5 $11) (42. Bxd5 Bxb4 43. Bxf7+ Kxf7 $16) 42... hxg4 43. Bxd5 $16) 41. Rxg4 hxg4 42. Nd2 Bd6+ 43. g3 Kg7 44. Kg2 Bb8 45. c4 Be5 46. b3 (46. Rb1 $5 {[%cal Rb2b4]}) 46... Bc3 47. Rf2 Bb4 48. Re2 Rh8 49. Nf1 Rh5 50. Re3 Rf5 51. Re2 Rf3 52. Ba4 {[#]} (52. Re3 $11 {remains equal.} Rf5 53. Nh2) 52... Rd3 (52... Rc3 $1 $17) 53. Re3 Rd4 {[%mdl 1024] Black has compensation.} 54. Re2 {[#]} Rd3 ({Black should play} 54... Ne4 $1 $17) 55. Rc2 (55. Re3 $11 Rd4 56. Re2) 55... Ne4 $17 56. Re2 f5 57. Re3 Rd4 (57... Rd1 $19 58. Re2 Rc1) 58. Bc6 (58. Re2 $17) 58... Rd1 $19 59. Re2 {[%cal Od5d6]} Rb1 60. Ba4 (60. Rc2 $17 Rxb3 61. d6 Nxd6 62. c5) 60... Bc5 {[%cal Ob1f1] aiming for ...Rxf1!} 61. Rc2 Re1 62. Bc6 Rb1 63. Ba4 $1 Ng5 64. d6 Bxd6 65. c5 {[%cal Bc4c5,Bc5d6,Bd6d7][%mdl 32]} Nf3 66. cxd6 $11 {The position is equal.} Ne1+ 67. Kf2 {Strongly threatening d7.} Nxc2 68. d7 $1 Rd1 69. b4 $1 Kf6 70. Bxc2 Rxd7 {What a bad dream for Black.  Weighted Error Value: White=0.28 (precise) /Black=0.18 (very precise)} 1/2-1/2

[Event "New York Winter Invitational GM-B 2022"]
[Site "New York"]
[Date "2022.01.16"]
[Round "5.3"]
[White "Tian, Eddy"]
[Black "Perez, Robert"]
[Result "1/2-1/2"]
[ECO "D79"]
[WhiteElo "2411"]
[BlackElo "2362"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2022.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,52,12,21,8,13,13,11,37,0,-4,-7,0,0,5,2,8,5,2,3,6,2,5,-47,-51,-56,-26,-24,-21,-25,-20,-40,-21,-50,-54,-55,-35]} 1. d4 Nf6 2. c4 g6 3. g3 c6 4. Bg2 d5 5. Nf3 Bg7 6. O-O O-O 7. cxd5 cxd5 8. Nc3 Ne4 {The modern move.} 9. Ne5 Bf5 10. Bf4 Nxc3 {D79: Fianchetto Grünfeld: Symmetrical Variation (6 0-0 c6 7 cxd5 cxd5).} 11. bxc3 Nc6 12. Qb3 Nxe5 {The position is equal.} 13. Bxe5 (13. dxe5 $14 e6 14. c4 (14. Qxb7 g5 $11)) 13... Bxe5 $11 14. dxe5 Qc7 $1 15. Qxd5 Rab8 16. Qd4 b6 {[#]} 17. a4 $146 ({Predecessor:} 17. c4 Rfd8 18. Qf4 Be6 19. Rfc1 Qc5 20. e3 Rbc8 21. a4 Qa5 22. h4 Rc5 23. h5 {1-0 (35) Kosic,D (2435)-Trifunov,M (2265) Cetinje 1992}) 17... Rfd8 18. Qe3 Rbc8 {[%cal Bb8c8,Bc8c5,Bc5e5][%mdl 32]} 19. Rfc1 Qc5 20. a5 (20. Qxc5 $11 Rxc5 21. f4) 20... Qxe3 $15 21. fxe3 Rc5 22. axb6 axb6 {[%cal Ba7b6,Bb6b5][%mdl 32]} 23. Kf2 Rdc8 24. Ra4 Rxe5 25. Rb4 b5 $1 26. Bb7 Rb8 {Weighted Error Value: White=0.12 (very precise) /Black=0.05 (flawless)} 1/2-1/2

[Event "New York Winter Invitational GM-B 2022"]
[Site "New York"]
[Date "2022.01.16"]
[Round "5.4"]
[White "Korley, Kassa"]
[Black "Rohde, Michael"]
[Result "0-1"]
[ECO "E17"]
[WhiteElo "2394"]
[BlackElo "2345"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2022.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,50,0,-22,44,50,73,16,13,7,13,12,28,1,2,4,6,11,8,8,11,0,0,0,0,-146,-151,-221,-225]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. d5 exd5 8. Nh4 c6 9. cxd5 Nxd5 10. Nf5 Nc7 11. e4 d5 12. Nc3 Bf6 13. Bf4 Nd7 {E17: Queen's Indian: 4 g3 Bb7 5 Bg2 Be7.} ({Better is} 13... Bc8 $11) 14. Re1 $14 {[%cal Re4d5]} d4 {[#]} 15. Nxd4 (15. e5 $1 $16 {[%cal Re5f6]} Bxe5 16. Qg4) 15... Ne5 $11 {The position is equal.} 16. Nf5 Ne6 {[%cal Bc7e6,Be6d4,Bd4f3][%mdl 32] [#]} 17. Bxe5 $146 ({Predecessor:} 17. Qc2 Qd3 18. Qe2 Qxe2 19. Rxe2 Rfd8 20. Rd1 Rxd1+ 21. Nxd1 Rd8 22. Rd2 Nxf4 23. Rxd8+ Bxd8 24. gxf4 {0-1 (50) Dolezal,M (2315)-Tichy,V (2380) Prague 1990}) 17... Bxe5 18. f4 (18. Qg4 {looks sharper.} g6 19. Rad1 h5 20. Rxd8 hxg4 21. Nh6+) 18... Bd4+ 19. Nxd4 Qxd4+ 20. Qxd4 Nxd4 21. Rad1 c5 22. Kf2 Rad8 23. Rd2 f5 24. e5 (24. Red1 $11 {keeps the balance.}) 24... Bxg2 $17 25. Kxg2 {[#]} (25. e6 $17 {was called for.} Nxe6 26. Rxd8 Rxd8 27. Kxg2) 25... Nf3 $1 {[%mdl 512] Weighted Error Value: White=0.39/Black=0.13 (very precise)} 0-1

[Event "New York Winter Invitational GM-B 2022"]
[Site "New York"]
[Date "2022.01.16"]
[Round "5.5"]
[White "Martinez Alcantara, Jose Eduardo"]
[Black "Jacobson, Brandon"]
[Result "1-0"]
[ECO "B62"]
[WhiteElo "2615"]
[BlackElo "2530"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2022.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,88,26,3,29,21,21,16,30,24,25,26,32,23,23,17,10,-2,-8,0,0,0,0,-43,-31,-84,-80,-86,-85,-125,-77,-72,-68,-70,0,0,0,-45,-36,-39,-50,-75,-55,-88,-76,-80,-73,-146,-70,-66,-72,-89,-64,-105,-109,-197,-161,-159,-161,-143,-150,-317,-327,-329,-325,-391,-349,-322,0,0,0,0,12,13,13,22,25,25,927]} 1. e4 c5 2. Nf3 {[%cal Bg1f3,Bf3d4,Bd4b5][%mdl 32]} d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd3 Bd7 {B62: Sicilian: Richter-Rauzer: 6...e6: Unusual White 7th moves.} 8. Ndb5 {aiming for 0-0-0.} Nb4 9. Qd1 Qb8 {[#] The position is equal.} 10. Qd2 $1 $146 {[%mdl 8] White wants to play Bxf6. A relevant novelty.} ({Predecessor:} 10. Bxf6 gxf6 11. Be2 h5 12. O-O h4 13. Na3 Nc6 14. Nc4 Ne5 15. Ne3 b5 16. a4 bxa4 {½-½ (68) Saric,I (2652)-Papp,G (2601) Austria 2021}) 10... a6 $1 11. Bxf6 gxf6 12. Nd4 Nc6 13. O-O-O b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 14. Nxc6 (14. Nce2 {keeps more tension.} Qb7 15. f3 h5 16. Kb1 Ne5 17. Qe1) 14... Bxc6 15. Bd3 b4 16. Ne2 Qb6 {To avoid Nd4} 17. Ng3 (17. Kb1 $11) 17... h5 18. Qe2 (18. h4 $15) 18... Qc5 $17 19. Kb1 a5 20. f4 {[%cal Oe4e5]} h4 ({Black should play} 20... a4 $1 {And now ...a3 would win.} 21. e5 fxe5) 21. Nf1 {[%cal Bg3f1,Bf1d2,Bd2b3][%mdl 32]} a4 22. Nd2 a3 (22... Ke7 $15) 23. Nb3 $11 Qb6 24. f5 (24. Bc4 $11) 24... e5 25. Bc4 $1 axb2 $40 {[%mdl 128] Black mounts an attack.} 26. Kxb2 Qa7 27. Nc1 Bh6 $1 (27... d5 28. Bxd5 Qa6 29. Rhe1 $14) 28. Kb1 Ke7 29. Rhe1 {[#]} (29. Qh5 $142 Raf8 30. Qf3) 29... Bxc1 {This bishop pair is nice.} (29... Ba4 $1 $17 {Hoping for ...Rhc8.} 30. Qh5 Raf8) 30. Qd3 $1 $15 {[#]} Qc5 31. Kxc1 (31. Rxc1 Rhg8) 31... Rhg8 32. Rd2 (32. g3 $1 $15) 32... Rg4 $17 33. Kb1 (33. g3 $17) 33... Rc8 {[%cal Oc6e4]} 34. Bb3 {[#]} Rcg8 $1 35. Qf3 R8g5 36. a4 $2 (36. Kc1 $17 {was worth a try.}) 36... bxa3 $19 37. Ka2 Qb4 38. Red1 Bxe4 39. Qe3 Rxg2 $2 ({Much less strong is} 39... Qc5 40. Qxc5 dxc5 41. Rd7+ Kf8 42. Rxf7+ Ke8 43. Rc7 $18) ({Better is} 39... Kf8 $19 40. g3 hxg3) 40. Qa7+ $11 Bb7 {Strongly threatening ...Rg8.} 41. Qb8 {White wants to mate with Qc7+.} Rxd2 (41... d5 $5 {[%cal Rg2d2]} 42. Qc7+ Kf8 43. Rxd5 Bxd5 44. Rxd5 Kg7 $11) 42. Qc7+ Ke8 43. Rxd2 {Really sharp!} d5 (43... Qxd2 $2 44. Qb8+ Bc8 45. Qxc8+ Ke7 46. Qc7+ Ke8 47. Bxf7+ Kf8 48. Be6 Qxc2+ 49. Qxc2 $18) (43... Rxf5 $2 44. Rxd6 $18) 44. Qb8+ {[%mdl 1024] White has compensation.} Kd7 $2 {[%mdl 8192] What a bad dream for Black.  Weighted Error Value: White=0.21 (precise) /Black=0.20 (precise)} (44... Ke7 $11 45. Rxd5 Qb6) 1-0

[Event "New York Winter Invitational GM-B 2022"]
[Site "New York"]
[Date "2022.01.16"]
[Round "6.1"]
[White "Barbosa, Oliver"]
[Black "Jacobson, Brandon"]
[Result "1/2-1/2"]
[ECO "D03"]
[WhiteElo "2510"]
[BlackElo "2530"]
[Annotator "TA"]
[PlyCount "125"]
[EventDate "2022.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,125,3,6,-7,0,12,0,0,0,0,0,0,0,0,0,0,0,2,-9,0,0,0,-4,-4,-9,-10,-2,0,0,0,-6,-7,-15,-15,-13,-4,-6,-6,-13,0,-5,-19,-16,0,0,0,-42,-42,-52,-17,-60,0,0,0,0,25,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-16,0,-9,0,0,0,-112,-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]} 1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 O-O 5. c3 d5 6. e3 Nbd7 7. h3 Re8 {D03: 1 d4 d5 2 Nf3 Nf6 3 Bg5, including Torre Attack with early ...d5.} 8. Bf4 Nh5 9. Bh2 e5 10. dxe5 Nxe5 11. Nxe5 Bxe5 12. Bxe5 Rxe5 {[#]} 13. Be2 $146 ({Predecessor:} 13. Nf3 Re8 14. Qd4 Bf5 15. O-O-O Nf6 16. Nd2 Qd6 17. Qh4 Bd7 18. Bd3 c5 19. Rhe1 Kg7 20. e4 dxe4 21. Nxe4 Nxe4 22. Bxe4 Qb6 {0-1 (22) Brotherton,T (2117)-Ionita,M ICCF email 2014}) 13... Nf6 14. O-O Re8 15. Nf3 c5 16. Qb3 Qc7 17. Rfe1 Be6 {[%cal Od5d4]} 18. c4 Rad8 19. Rad1 b6 20. Ng5 Qe5 21. Nf3 {[#]} dxc4 $1 22. Bxc4 {[#]} Bxc4 $1 23. Qxc4 Qe7 (23... Qxb2 $2 24. Ng5 Rf8 25. Rxd8 Rxd8 26. Qxf7+ Kh8 27. Qxa7 $18) 24. a3 Ne4 25. Qc2 Qe6 26. Rxd8 Rxd8 27. Rd1 Rd5 28. Rxd5 Qxd5 29. Kf1 (29. Qa4 $11 {is superior.}) 29... b5 $15 30. Ke2 a5 31. Nd2 (31. Ne1 $11) 31... Nd6 (31... Nxd2 $1 $15 32. Qxd2 Qb3) 32. Qd3 $11 Qe5 33. b3 Kf8 34. g4 Ke7 35. a4 bxa4 36. bxa4 Qb2 37. Qb3 Qc1 (37... Qxb3 38. Nxb3 Nb7 39. Kd3 $14) 38. Qb8 (38. Qb6 $2 Qxd2+ $3 {[%mdl 512]} 39. Kxd2 Nc4+ 40. Kd3 Nxb6 $19) 38... c4 39. Qa7+ Ke6 40. Nf3 ({Much worse is} 40. Qd4 Qc2 41. Ke1 (41. e4 $2 c3 $19) 41... Qc1+ 42. Ke2 Qc2 $17) 40... Qc2+ 41. Ke1 Qb1+ 42. Ke2 {And now Nd4+ would win.} Qb2+ 43. Ke1 {Strongly threatening Nd4+.} Qb4+ 44. Kf1 c3 {Hoping for ...c2.} 45. Nd4+ Kf6 46. Qd7 Qc4+ 47. Kg1 Ne4 {...c2 is the strong threat.} 48. g5+ Kg7 49. Qe7 {[#]} (49. Qd8 $11) 49... Qd5 (49... c2 $1 $17 50. Qe5+ Kf8 51. Qb8+ Ke7 52. Qa7+ Ke8 53. Qb8+ Kd7 54. Qb7+ Qc7 55. Qxc7+ Kxc7 56. Nxc2 Nxg5) 50. h4 {The position is equal.} c2 51. Qc7 Nc5 52. Nxc2 Qd1+ 53. Kg2 $1 Qxc2 54. Qe5+ Kg8 55. Qe8+ Kg7 56. Qe5+ Kf8 57. Qb8+ $1 Ke7 (57... Kg7 $5 58. Qe5+ $11) 58. Qc7+ Ke8 {[%cal Oc5d3]} 59. Qc8+ Ke7 60. Qc7+ Ke6 {[%cal Oc5d3] Threatens to win with ...Nd3!} 61. Qc6+ Ke5 {aiming for ...Qe4+.} 62. Qf6+ Kd5 63. Qxf7+ {Weighted Error Value: White=0.07 (flawless) /Black=0.08 (flawless)} 1/2-1/2

[Event "New York Winter Invitational GM-B 2022"]
[Site "New York"]
[Date "2022.01.16"]
[Round "6.2"]
[White "Rohde, Michael"]
[Black "Martinez Alcantara, Jose Eduardo"]
[Result "0-1"]
[ECO "A33"]
[WhiteElo "2345"]
[BlackElo "2615"]
[Annotator "TA"]
[PlyCount "108"]
[EventDate "2022.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,108,0,0,0,0,-7,-13,-76,0,-56,-70,-67,-36,-50,-51,-54,-58,-52,-22,-81,0,0,0,-65,-42,-36,-9,-69,-24,-33,-9,-11,-9,-39,-39,-65,-9,-35,-27,-84,-61,-68,-68,-101,-101,-101,-101,-101,-105,-102,-96,-102,-87,-87,-87,-99,-87,-102,-102,-102,-102,-102,-77,-79,-88,-102,-68,-99,-79,-86,-51,-152,-144,-183,-191,-169,-179,-191,-199,-191,-197,-351,-340,-576,-550,-710,-662,-685,-685,-789,-780,-1455,-1283]} 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. g3 Qb6 7. Nb3 Ne5 8. e4 Bb4 9. Qe2 d6 $1 10. Bd2 {A33: Symmetrical English: 2 Nf3 Nf6 3 d4 cxd4 4 Nxd4 e6 5 Nc3 Nc6.} O-O 11. f4 {11.Bg2 is becoming the main line.} Nc6 {[#]} 12. Be3 $146 (12. O-O-O $11 {keeps the balance.}) ({Predecessor:} 12. Bg2 a5 13. Be3 Qc7 14. O-O Bxc3 15. bxc3 a4 16. Nd4 Na5 17. c5 Qxc5 18. Rfd1 {0-1 (35) Harsha,B (2509)-Kozak,A (2503) Chess.com INT 2020}) 12... Qc7 (12... Bxc3+ $17 13. bxc3 Qc7) 13. Bg2 (13. Bd2 $1 $11) 13... Bxc3+ $15 14. bxc3 e5 (14... b6 $5 {[%cal Rc8a6]}) 15. O-O b6 $1 16. f5 Ba6 $1 17. Bg5 Rfc8 18. Rfd1 (18. Bxf6 $11 gxf6 19. Rf2) 18... Nd8 (18... Ne8 $17) 19. Bxf6 $11 gxf6 20. Bf1 (20. Qg4+ $11 Kf8 21. Qh4) 20... Nb7 $1 $15 {[%cal Ra6c4]} 21. Nd2 Kf8 22. Kg2 (22. Rab1 $11) 22... Ke7 (22... Na5 $1 $15) 23. Rab1 $11 Qc6 24. Rb4 Nc5 {[%cal Oh7h5]} 25. Qe3 Bb7 {[%cal Rc5e4]} 26. Re1 Rc7 (26... Rg8 $15) 27. Qh6 Rh8 28. Kh3 (28. Rb2 $11) 28... Qe8 29. Re3 Qg8 30. Be2 Qg5 31. Qxg5 fxg5 32. Kg2 Nd7 33. Kf2 Nf6 34. h3 Rc5 35. Ra4 Ra8 36. Bd3 Rc7 {Black is more active.} 37. Rb4 Nd7 38. Re1 Rac8 39. Bf1 Nb8 40. Ra4 Bc6 {[%cal Bb7c6,Bc6e8,Be8f7,Bf7c4][%mdl 32]} 41. Rb4 Be8 42. Rb2 f6 43. Be2 Bf7 44. Nf1 ({White should play} 44. g4 $15) 44... Bxc4 $17 45. Bxc4 Rxc4 46. Ne3 Ra4 47. Nd5+ Kf7 48. Rd2 Na6 49. h4 $2 {[#]} (49. Kf3 {was necessary.}) 49... g4 50. Ne3 $2 (50. Kf1) 50... Nc5 $19 {Black is clearly winning.} 51. Nxg4 h5 52. Nxf6 Kxf6 53. Rxd6+ Ke7 54. Rh6 Nd3+ {Weighted Error Value: White=0.47/Black=0.16 (very precise)} 0-1

[Event "New York Winter Invitational GM-B 2022"]
[Site "New York"]
[Date "2022.01.16"]
[Round "6.3"]
[White "Perez, Robert"]
[Black "Korley, Kassa"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2362"]
[BlackElo "2394"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2022.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,51,-12,-27,-24,-21,-17,-13,-7,-67,-60,-66,-63,-60,-51,-71,-27,-39,0,0,0,0,53,41,56,57,50,45,115,109,92,111,290,282,350,358,750,750,749,745,907,849,1252,889]} 1. Nf3 c5 2. c4 Nc6 3. g3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Nc2 d6 {6...d6 scores better than 6...Nf6. A30: Symmetrical English: Double Fianchetto and Hedgehog.} 7. Bg2 h5 8. h3 {[#]} Bd7 $146 {The position is equal.} ({Predecessor:} 8... Be6 9. Ne3 Qd7 10. Nd2 Rc8 11. Rb1 Nf6 12. Ndf1 O-O 13. b3 b5 14. cxb5 Nb4 15. a4 Bf5 16. Rb2 Ne4 17. Bxe4 Bxe4 18. f3 Bxf3 {0-1 (18) Ionescu,C (2492)-Avrukh,B (2625) Istanbul 2000}) 9. Nc3 ({White should play} 9. Ne3 $11) 9... Bxc3+ $15 10. bxc3 b6 11. O-O Rc8 12. Ne3 {[%cal Oc4c5]} Nf6 ({Better is} 12... Na5 $17) 13. Nd5 $11 Nxd5 (13... Be6 {is more complex.} 14. e4 Ne5 15. Bg5 Rxc4 16. f4 Ned7) 14. cxd5 Na5 15. Be3 $36 {[%mdl 2048] White has some pressure.} Rc4 (15... O-O $11) 16. Bd4 f6 17. f4 Qc8 18. Kh2 Rg8 (18... Ra4 $14) 19. e4 $16 f5 20. Qe2 {Rae1 is the strong threat.} h4 $2 {[#] A mistake that costs the game.} (20... fxe4 $16 21. Bxe4 (21. Qxe4 Bf5 $14) 21... Bf5) 21. gxh4 $18 {Threatens to win with Rae1.} fxe4 22. Rae1 ({Resist} 22. Bxe4 Rxc3 23. Bxc3 Qxc3 $18) ({Weaker is} 22. Qxe4 Bf5 23. Qe2 Kd8 $18) 22... Bf5 (22... Kd8 23. Bxe4 Kc7) 23. Bxe4 {White is clearly winning.} Rc7 24. h5 Bxe4 25. Qxe4 gxh5 26. f5 {Weighted Error Value: White=0.09 (flawless) /Black=0.32} 1-0

[Event "New York Winter Invitational GM-B 2022"]
[Site "New York"]
[Date "2022.01.16"]
[Round "6.4"]
[White "Mandizha, Farai"]
[Black "Tian, Eddy"]
[Result "0-1"]
[ECO "D38"]
[WhiteElo "2377"]
[BlackElo "2411"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2022.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,94,0,0,17,-29,-27,-36,-15,-12,-14,-25,-13,-26,0,-13,0,0,17,0,24,0,0,-11,-10,-41,-63,-79,-41,-45,-39,-41,-40,-45,-39,-43,-28,-37,-30,-44,-37,-44,-44,-52,-52,-55,-37,-41,-41,-41,0,0,6,4,6,39,17,0,0,0,0,0,0,0,0,-597,-572,-778,-705,-1032,-1029,-29975,-29958,-29992,-29993,-29993,-29994,-29994,-29995,-29995,-29996,-29996,-29997,-29997,-29998]} 1. d4 d5 2. Nf3 e6 3. c4 Nf6 4. Nc3 Bb4 5. Qa4+ Nc6 6. a3 Bxc3+ 7. bxc3 Ne4 {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4).} 8. Qc2 {8.Bf4 gains popularity.} (8. cxd5 $142 exd5 9. c4) 8... Na5 $11 9. e3 b6 {Black is slightly better.} 10. cxd5 exd5 11. Bd3 O-O 12. O-O Bf5 {[#]} 13. Ne5 $146 {And now f3 would win.} ({Predecessor:} 13. Ne1 Bg6 14. f3 Nd6 15. Bxg6 hxg6 16. e4 dxe4 17. fxe4 c5 18. Nf3 cxd4 19. cxd4 {1-0 (41) Maric,A (2480)-Matveeva,S (2460) Belgrade 1998}) 13... f6 14. Nf3 Qe7 15. a4 c5 {[%cal Bc7c5,Bc5c4][%mdl 32]} 16. Nh4 Bd7 17. f3 {[#]} f5 18. g3 ({Don't play} 18. fxe4 fxe4 19. Ba6 Rxf1+ 20. Bxf1 Qxh4 21. dxc5 bxc5 $17) (18. Nxf5 $5 Bxf5 19. fxe4 Bxe4 20. Bxe4 Rxf1+ 21. Kxf1 dxe4 22. Qa2+ Qf7+ 23. Qxf7+ Kxf7 24. Ke2 $11) (18. Nxf5 Bxf5) 18... Nd6 {Pair of Knights!} 19. Ng2 c4 {Black is more active.} 20. Be2 Nb3 21. Ra2 Nxc1 22. Qxc1 g5 23. Bd1 Kh8 24. Qa3 Rac8 25. Re1 Rf6 26. Rae2 {[%cal Oe3e4]} Qf7 27. a5 b5 28. Bc2 Qh5 {aiming for ...Rh6.} 29. Rf1 Rh6 30. Ne1 $1 Qh3 (30... Qf7 $15 {feels stronger.}) 31. Rff2 Rf6 32. e4 fxe4 33. fxe4 Rcf8 (33... Nxe4 $2 34. Bxe4 Rxf2 35. Rxf2 $18) 34. Rxf6 Rxf6 $40 {[%csl Gh3][%cal Rf6f1][%mdl 128] White needs to defend precisely.} 35. Rf2 {Prevents Rf1+.} Rxf2 (35... Nxe4 $2 36. Bxe4 (36. Rxf6 Nxf6 37. Qf8+ Ng8 $16) 36... Rxf2 37. Kxf2 $18) 36. Kxf2 Qe6 (36... Nxe4+ $2 37. Bxe4 Qh6 {[#]} 38. Qe7 $1 dxe4 39. Qd8+ Be8 40. Qxe8+ $18) 37. e5 {Inhibits Qf6+.} Qf7+ $1 38. Ke3 $2 {[%mdl 8192] [#]} (38. Kg2 $1 $11 {and White is okay.}) 38... Qf1 $1 $19 39. Kd2 (39. Nf3 b4) 39... Ne4+ ({Weaker is} 39... Qf2+ 40. Kc1 Ne4 41. Bxe4 dxe4 42. Nc2 $11) 40. Bxe4 dxe4 41. Nc2 Bg4 {Black mates.} 42. d5 Qd1+ 43. Ke3 Qd3+ 44. Kf2 Qxc2+ 45. Kg1 Qd1+ 46. Kf2 Qf3+ 47. Kg1 Bh3 {Weighted Error Value: White=0.50/Black=0.06 (flawless)} 0-1

[Event "New York Winter Invitational GM-B 2022"]
[Site "New York"]
[Date "2022.01.16"]
[Round "6.5"]
[White "Tsay, Vincent"]
[Black "Grinberg, Eyal"]
[Result "0-1"]
[ECO "D13"]
[WhiteElo "2295"]
[BlackElo "2492"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2022.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,64,21,34,25,21,0,15,0,0,-6,-8,-16,-17,-29,-20,-55,-52,-43,-52,-210,-204,-197,-190,-189,-182,-439,-443,-465,-481,-1113,-680,-804,-406,-440,-370,-356,-362,-515,-511,-523,-519,-713,-700,-658,-635]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. cxd5 cxd5 5. Nc3 Nc6 6. Bf4 a6 7. Ne5 e6 8. e3 Nxe5 9. Bxe5 Be7 10. Bd3 O-O 11. O-O b5 12. Qf3 {D13: Slav Defence: Exchange variation without ...Bf5.} Bb7 13. Qh3 {[#] Bxf6 is the strong threat.} g6 {[#]} 14. a3 $146 {The position is equal.} (14. Qh6 Nh5 15. Bf4 Re8 $15) ({Predecessor:} 14. Qh6 Nh5 15. f4 f6 16. g4 Ng7 17. Rf3 fxe5 18. Rh3 e4 19. Qxh7+ Kf7 20. Rh6 {0-1 (41) Babounis,G (1660)-Kalofonos,P (2089) Porto Rio 2015}) 14... Re8 15. Rac1 ({Much weaker is} 15. Qh6 Nh5 16. Bf4 e5 17. dxe5 (17. Bxe5 $2 Bg5 $19) 17... d4 $17) 15... Rc8 16. Rc2 (16. Qh6 $2 Nh5 17. Bf4 (17. g4 $2 Bg5 $19) 17... e5 18. dxe5 (18. Bxe5 $2 Bg5 $19) 18... Bf8 $19) 16... Nd7 17. Bf4 Bf6 18. Rfc1 e5 19. dxe5 Nxe5 ({Much worse is} 19... Bxe5 20. Bxe5 Nxe5 21. Bf1 $11) 20. Nxd5 $2 Rxc2 $19 21. Nxf6+ Qxf6 {Dancing on a razor blade.} 22. Bxc2 Rc8 23. Bh6 $2 {[#]} (23. f3) 23... Qd6 $1 {[%cal Oc8c2]} 24. Qh4 Rxc2 {[%cal Rc2c1]} 25. Re1 (25. Rf1 $142) 25... f6 {aiming for ...Rc4.} 26. Qd4 Nf7 27. Bf4 Qd5 ({Don't go for} 27... Qc6 $2 28. e4 $19) 28. Qxd5 Bxd5 29. f3 (29. e4 {was worth a try.} Bc4 30. Rb1) 29... Rxb2 {Black is clearly winning.} 30. Rc1 Bc4 31. a4 Ne5 32. axb5 axb5 {White got outplayed after the opening.  Weighted Error Value: White=0.75/Black=0.45} 0-1

[Event "New York Winter Invitational GM-B 2022"]
[Site "New York"]
[Date "2022.01.17"]
[Round "7.1"]
[White "Grinberg, Eyal"]
[Black "Barbosa, Oliver"]
[Result "1/2-1/2"]
[ECO "C65"]
[WhiteElo "2492"]
[BlackElo "2510"]
[Annotator "TA"]
[PlyCount "191"]
[EventDate "2022.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,191,16,11,12,0,17,3,7,4,14,4,12,0,0,0,0,0,0,0,0,4,7,-56,-32,-49,-34,-64,-70,-75,-75,-68,-76,-79,-65,-87,-60,-98,-59,-85,-91,-107,-85,-105,-46,-61,-48,-74,-70,-66,-64,-114,-115,-115,-125,-114,-98,-117,-120,-121,-126,-107,-114,-231,-231,-212,-180,-279,-137,-127,-126,-214,-165,-167,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,-8,-8,-8,-38,-15,-15,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-3,-8,-8,-8,-8,-8,0,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,0,-8,-3,-3,-3,-3,0,0,0,0,0,0,0,0,0,0,0,-8,0,0,0,-4,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. O-O d6 6. c3 O-O 7. h3 h6 {C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5.} 8. Re1 a6 9. Bxc6 bxc6 10. d4 Ba7 11. dxe5 dxe5 12. Qxd8 Rxd8 13. Nbd2 Nd7 14. Nc4 Re8 15. Be3 Bxe3 16. Rxe3 a5 $1 {[#]} 17. Rd1 $146 (17. b4 $11) ({Predecessor:} 17. a4 f6 18. Nfd2 Nc5 19. b4 axb4 20. cxb4 Rxa4 21. Rxa4 Nxa4 22. Ra3 Nb6 23. Ra7 {½-½ (42) Szelag,M (2484)-Bartel,M (2619) Chorzow 2013}) 17... f6 $15 18. Nfd2 Nc5 19. Nb1 Be6 20. Nba3 a4 {To avoid b3} 21. f3 Kf7 22. Re2 Ke7 23. Red2 h5 24. Kf1 h4 25. Ke2 g6 26. Kf2 Nb7 27. Ke3 Red8 ({Black should try} 27... Reb8 $17) 28. Rxd8 Nxd8 29. b4 {[#]} axb3 $1 30. axb3 Nb7 31. Kd3 (31. Rb1 $15) 31... Nc5+ $17 32. Kc2 {[#]} Rxa3 $1 {[%mdl 512]} 33. Nxa3 {And now c4 would win.} Bxb3+ 34. Kd2 Bxd1 35. Kxd1 {[%mdl 4096] Endgame KN-KN} f5 36. exf5 gxf5 {aiming for ...Na4.} 37. Ke2 (37. Nc4 $17) 37... Na4 $19 38. Kd3 Ke6 39. Nc2 (39. c4 {was called for.}) 39... Nb6 (39... Nb2+ $19 40. Ke2 f4) 40. c4 $17 Na4 41. f4 (41. Kd2 $17) 41... c5 ({Worse is} 41... exf4 42. Nd4+ Kf6 43. Nf3 $15) 42. Ne1 exf4 (42... e4+ $19 43. Kc2 Nb6) 43. Nf3 $11 Nb2+ 44. Kc3 Nd1+ 45. Kd3 Ne3 46. Nxh4 Kf6 47. g3 Kg5 {[%cal Of4g3]} 48. Nf3+ Kh5 49. Ne1 ({Reject} 49. gxf4 Ng2 $17) 49... Nd1 50. gxf4 Kh4 51. Ke2 Nb2 52. Ng2+ {The position is equal.} Kg3 53. Ne3 Kxf4 54. h4 Na4 55. h5 {h6 is the strong threat.} Kg5 56. h6 {[%mdl 64] Decoy} Kxh6 57. Nxf5+ Kg6 58. Ne7+ Kf7 59. Nd5 c6 (59... Nb6 $5 {[%cal Rb6d5]} 60. Nxc7 Kg6 $11) 60. Ne3 Ke6 61. Kd3 Ke5 62. Ng4+ Kf4 63. Nf6 Kf5 64. Ne8 Ke5 65. Ng7 Nb2+ 66. Kc3 Nd1+ 67. Kd2 Nf2 {White should prevent ...Kd4.} 68. Ke3 Ne4 69. Nh5 Nd6 70. Kd3 Nf5 71. Kc3 Nd4 72. Kd3 {Prevents Ne2.} Ne6 73. Ng3 Kf4 74. Ne2+ Kf3 {( -> ...Nf4+)} 75. Nc3 Nf4+ 76. Kd2 Ne6 77. Kd3 Ng5 78. Na4 $1 Ne4 79. Nb6 $1 Nf2+ 80. Kc2 $1 Ke4 {next ...Kd4 is good for Black.} 81. Nd7 Nd3 (81... Kd4 $5 82. Nb8 Nh3 $11) 82. Kc3 Ke3 83. Nf8 Nf2 {Threatening ...Ne4+.} 84. Ne6 Nd3 85. Nd8 Ne5 86. Ne6 Nd7 87. Nd8 Nb8 88. Ne6 Na6 89. Nd8 Nb4 90. Ne6 Na2+ 91. Kb2 $1 Nb4 92. Kc3 Nd3 93. Nd8 Ne5 94. Ne6 Nd7 95. Nd8 Ne5 96. Ne6 {And White is the lucky defender.  Weighted Error Value: White=0.14 (very precise) /Black=0.13 (very precise)} 1/2-1/2

[Event "New York Winter Invitational GM-B 2022"]
[Site "New York"]
[Date "2022.01.17"]
[Round "7.2"]
[White "Tian, Eddy"]
[Black "Tsay, Vincent"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "2411"]
[BlackElo "2295"]
[Annotator "TA"]
[PlyCount "147"]
[EventDate "2022.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,147,24,23,20,18,18,18,12,14,12,13,15,11,12,9,11,11,12,9,52,53,54,41,54,19,56,56,56,56,58,66,85,85,98,95,99,99,122,114,114,96,189,180,203,193,166,166,166,166,162,139,466,429,159,159,498,491,414,370,487,131,769,77,806,530,530,530,229,77,77,77,77,77,77,77,77,77,29967,29968,29968,29969,29969,29970,29970,29971,29972,29973,29973,29974,29974,29975,29975,29976,29976,29977,29977,29978,29978,29979,29980,29981,29981,29982,29982,29983,29983,29984,29983,29984,29984,29985,29986,29987,29987,29988,29989,29987,29987,29988,29988,29989,29989,29990,29990,29991,29991,549,29992,29993]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 {[%cal Bg8f6,Bf6d5,Bd5b4][%mdl 32]} 4. g3 dxc4 5. Bg2 Nc6 6. Qa4 Bb4+ 7. Bd2 Nd5 8. Bxb4 Ndxb4 9. O-O Rb8 10. Nc3 a6 11. Ne5 {next a3 is good for White.} O-O {E04: Open Catalan: 5 Nf3.} 12. Nxc6 Nxc6 13. Bxc6 bxc6 {The position is equal.} 14. Qxc4 Rxb2 15. Rab1 Rb6 16. Qc5 Rxb1 17. Rxb1 {[%cal Bf1b1,Bb1b6,Bb6c6][%mdl 32]} Qd6 18. Qxd6 cxd6 $11 {[%mdl 4096] Endgame KRB-KRN} 19. Rb6 {[#]} e5 $146 (19... c5 $11 {is superior.}) ({Predecessor:} 19... c5 20. Rxd6 cxd4 21. Rxd4 Bb7 22. Rb4 Bc8 23. Rb6 Rd8 24. Ne4 Kf8 25. Nd6 a5 {½-½ (55) Aleksandrov,A (2568)-Harutyunian,T (2480) Yerevan 2016}) 20. Rxc6 $14 exd4 21. Nd5 Be6 22. Rxd6 g6 23. Nf4 Bxa2 24. Rxa6 ({Don't play} 24. Rxd4 Rc8 $11) 24... Bc4 25. Rd6 Re8 26. Kf1 Re4 27. f3 Re3 28. Rxd4 Ba2 (28... Rxf3+ $2 29. Ke1 Bxe2 30. Kxe2 $18) 29. Kf2 Ra3 30. Rd1 h5 (30... Ra4 $16 {is a better defense.}) 31. Ra1 $18 Ra4 32. e4 Bb3 33. Rxa4 Bxa4 {KB-KN} 34. Nd5 Kg7 35. Ke3 {aiming for Kd4.} Bd1 $2 {[%mdl 8192]} (35... f6 $16 {is more resistant.} 36. Kd3 Kf7) 36. f4 Bc2 $2 (36... h4 $18 37. gxh4 Bb3) 37. Kd4 $16 {h4 is the strong threat.} Bd1 $2 (37... f5 $16) 38. Ke5 $18 Bc2 39. f5 gxf5 40. exf5 (40. Kxf5 $18 {is the precise move to win.} Kh6 41. Nf4) 40... Bd1 $2 {[%mdl 8192]} (40... Bb3 $16 41. Nf6 Kh6) 41. h4 $2 (41. Nf4 $18 {And now h4 would win.} Bg4 42. f6+ Kg8 43. Kd6) 41... Bb3 $2 {[%mdl 8192]} (41... Bc2 $16 42. Nf6 Bd1) 42. Nf6 $1 Bd1 43. Nd7 $1 Ba4 44. f6+ $2 (44. Kd6 $1 $18) 44... Kh7 $16 45. Kd6 {Threatening mate with Ne5.} Kg6 46. Nc5 Bb5 47. Ke5 Bc6 48. Nd3 {Hoping for Nf4+.} Bb5 $2 {[%mdl 8192]} (48... Ba4 $16 49. Nf4+ Kh6) 49. Nf4+ Kh6 50. Kd6 $1 Bf1 51. Kd7 $1 Bb5+ 52. Kd8 $1 Bc4 53. Ke7 Bb3 54. Nd3 $1 Kh7 55. Ne5 Kg8 56. g4 $1 hxg4 57. Nxg4 Kh7 58. Ne5 Kh6 59. Nxf7+ Kh5 {[#]} 60. Ng5 $1 Bg8 61. Nf3 Kg6 62. Nd4 Kh5 {[#]} 63. Nf5 $1 Kg6 64. Ng3 Ba2 65. h5+ Kh6 66. f7 Bxf7 67. Kxf7 Kh7 68. Kf6 Kh6 69. Kf5 Kh7 70. Kg5 Kg7 71. h6+ Kh7 72. Ne4 Kh8 73. Kg6 Kg8 74. Ng5 {Weighted Error Value: White=0.29 (precise) /Black=0.42} 1-0

[Event "New York Winter Invitational GM-B 2022"]
[Site "New York"]
[Date "2022.01.17"]
[Round "7.3"]
[White "Korley, Kassa"]
[Black "Mandizha, Farai"]
[Result "1-0"]
[ECO "E62"]
[WhiteElo "2394"]
[BlackElo "2377"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2022.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,109,50,102,126,105,104,119,52,49,50,53,47,51,47,53,66,76,79,78,70,108,123,84,68,72,61,52,58,143,140,135,147,136,133,129,127,130,133,151,132,195,197,189,119,112,112,112,112,102,102,104,104,132,139,232,232,341,367,474,474,1022,1022,993,941,819,791,956,850,1854,1680,1415,1393,1273,1217,1186,1111,1098,886,4137,4137,29979,29979,29979,29980,29982,29983,29984,29985,29985,29986,29984,29985]} 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 c6 6. Nf3 d6 7. O-O Qa5 8. e4 Qh5 9. e5 dxe5 10. Nxe5 Ng4 (10... Nbd7 $14) 11. Nf3 $1 $16 {Active counter play! E62: King's Indian: Fianchetto: 6...c6 and Panno Variation (6...Nc6) without ...a6.} Rd8 {[%cal Od8d4]} 12. h3 {aiming for Qe1.} Nf6 13. Ne5 ({Better is} 13. g4 $16 Qa5 14. Re1) 13... Qxd1 $14 14. Rxd1 Nbd7 15. Be3 Ne8 16. f4 Nd6 {[#]} 17. Bf2 $146 ({Predecessor:} 17. b3 h5 18. Rac1 Nf5 19. Bf2 Bh6 20. Nxd7 Bxd7 21. d5 h4 22. g4 Ng3 23. Bxg3 hxg3 {1-0 (54) Banusz,T (2552)-Markos,J (2596) Austria 2012}) 17... Bxe5 18. dxe5 Nxc4 19. b4 Re8 20. b5 Nb8 21. bxc6 Nxc6 22. Nd5 {Strongly threatening Nc7.} Rb8 23. Rac1 {[%mdl 1024] White has compensation.} N4a5 (23... Nb2 $14) 24. Nc7 $16 Rf8 25. Be1 $1 h5 26. Rc5 $1 b6 27. Rxc6 ({Don't do} 27. Bxc6 bxc5 28. Bxa5 Bxh3 $14) 27... Nxc6 28. Bxc6 Bxh3 29. Nd5 a5 {Prevents Bb4.} (29... Rfd8 $16) 30. Nxe7+ $18 Kg7 31. a4 (31. Rd6 $18) 31... Rfd8 $16 32. Rxd8 Rxd8 {[#]} 33. Nd5 $1 Bd7 {[#]} 34. Bxd7 Rxd7 35. Nxb6 Rd1 36. Kf2 Rc1 {Prevents Bc3.} (36... Ra1 $16 {was necessary.} 37. Bxa5 Ra2+ 38. Kf3 Ra3+ 39. Kg2 Ra2+ 40. Kh3 g5 41. fxg5 Kg6) 37. Bxa5 $18 Rc6 (37... f6 $142 38. e6 Rc6) 38. Ke3 g5 39. fxg5 {Threatens to win with Kd4.} Rc5 (39... Kg6 $142 40. Kd4 Kxg5) 40. Bd2 Rxe5+ 41. Kd3 {Threatening mate with Bc3.} Kg6 42. a5 {[%cal Ba4a5,Ba5a6,Ba6a7][%mdl 32]} Rb5 43. Nc4 Rb7 44. Be3 Rb3+ 45. Kc2 Rb8 46. a6 {And now Nb6 would win.} Ra8 47. a7 Kf5 48. Nd6+ Kg4 49. Nxf7 Kxg3 50. g6 {[%cal Bg5g6,Bg6g7][%mdl 32] White mates.} h4 51. Ng5 h3 {[#]} 52. Nxh3 $1 Kxh3 (52... Kg4 53. g7) 53. g7 Kg4 54. Bc5 Kf5 55. Bf8 {Weighted Error Value: White=0.07 (flawless) /Black=0.27 (precise)} 1-0

[Event "New York Winter Invitational GM-B 2022"]
[Site "New York"]
[Date "2022.01.17"]
[Round "7.4"]
[White "Martinez Alcantara, Jose Eduardo"]
[Black "Perez, Robert"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2615"]
[BlackElo "2362"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2022.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,75,29,24,0,0,0,12,0,0,0,0,0,0,0,-1,-6,-6,-32,27,27,46,45,52,9,43,34,39,45,83,77,72,50,54,49,82,69,73,50,57,59,102,113,108,111,124,116,198,174,212,171,284,275,218,257,316,116,518,499,545,542,528,526,868,702,1787,1671,1688,1266]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h4 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} e5 7. Nb3 Be7 8. Bg5 {The position is equal.} Be6 9. Bxf6 Bxf6 10. g3 O-O {[#]} 11. Bh3 $146 ({Predecessor:} 11. Qd2 Be7 12. Nd5 Nd7 13. Bh3 Nb6 14. Bxe6 fxe6 15. Nxe7+ Qxe7 16. Qe2 Rac8 17. O-O {½-½ (29) Chigaev,M (2577)-Sarana,A (2613) Ekaterinburg 2018}) 11... Qd7 12. Bxe6 fxe6 13. Qg4 Bd8 (13... b5 $15) 14. O-O-O $11 {[%cal Ob3c5]} Bb6 {To avoid Nc5} ({Don't take} 14... Rxf2 15. Nc5 $1 Qf7 16. Nxe6 $16 (16. Qxe6 Qxe6 17. Nxe6 Nc6 $14)) 15. f4 {Hoping for fxe5.} Nc6 16. Rhf1 (16. Kb1 $14 {might be stronger.}) 16... Bd4 17. Ne2 {[%cal Re2d4]} Be3+ 18. Kb1 exf4 19. gxf4 Rad8 20. Rf3 Ba7 21. Rfd3 Qe7 22. a3 Kh8 23. Nd2 {[%cal Bb3d2,Bd2f3,Bf3h4][%mdl 32]} d5 24. e5 b5 (24... Qf7 $14) 25. Nf3 $1 $16 h6 26. h5 {aiming for Nh4.} Qf7 {[#]} 27. Nh4 $1 {And now Rc3 would win.} Ne7 (27... Rfe8 $16) 28. Rf1 $18 Rc8 29. Rdf3 {Black must now prevent f5.} Rc4 (29... Nf5 {was called for.}) 30. b3 Re4 {[#]} 31. Ng3 Rc8 32. Qh3 $2 (32. Nxe4 $18 {is the precise move to win.} dxe4 33. Rg3) 32... Rd4 $2 {[%mdl 8192] This move loses the game for Black.} (32... Re3 $16 {is more resistant.}) 33. f5 {[%cal Bf4f5,Bf5e6][%mdl 32] White is clearly winning.} Rd2 34. Rc1 Rf2 {[#]} 35. fxe6 $1 Qg8 (35... Qxf3 36. Nxf3) 36. Ngf5 Nxf5 37. Ng6+ ({Not} 37. Nxf5 Rxf3 38. Qxf3 Qxe6 $16) 37... Kh7 38. Rxf2 {Weighted Error Value: White=0.14 (very precise) /Black=0.40} 1-0

[Event "New York Winter Invitational GM-B 2022"]
[Site "New York"]
[Date "2022.01.17"]
[Round "7.5"]
[White "Jacobson, Brandon"]
[Black "Rohde, Michael"]
[Result "1-0"]
[ECO "E10"]
[WhiteElo "2530"]
[BlackElo "2345"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2022.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,99,52,49,24,34,18,56,27,25,0,-8,-5,22,16,20,22,27,27,40,35,65,29,94,54,56,58,80,80,73,85,92,95,98,17,28,18,22,9,5,-7,23,16,38,12,34,35,105,108,135,134,136,126,127,133,121,19,19,18,116,106,120,93,93,93,93,93,126,119,102,60,107,120,271,261,349,343,1069,995,1049,1037,1887,1739,1940,1578,1393,783,6382,5493,29983,29984,29990,29991]} 1. d4 Nf6 2. c4 Nc6 3. Nf3 e6 4. a3 g6 5. Nc3 Bg7 6. e3 {E10: Blumenfeld Gambit.} O-O 7. Be2 d6 8. b4 {White is slightly better.} e5 {[#]} 9. Bb2 $146 (9. d5 $5 {[%cal Rd5c6]} e4 10. dxc6 exf3 11. Bxf3 bxc6 12. Bb2 $11 (12. Bxc6 Rb8 $11)) ({Predecessor:} 9. d5 Ne7 10. e4 a6 11. O-O Nd7 12. Be3 f5 13. Ng5 Nf6 14. Rc1 h6 15. exf5 Nxf5 {1-0 (29) Garcia,F-Moral Sanz,J Valladolid 1975}) 9... exd4 10. Nxd4 Bd7 11. O-O Re8 12. Nf3 Bf5 13. Qb3 a5 14. Rfd1 Qe7 15. h3 Qf8 (15... Ne5 $11) 16. Rac1 axb4 17. axb4 Ne5 18. Nd4 Bd7 19. Ndb5 Rec8 20. f4 $1 Nc6 21. Nd5 (21. e4 $16) 21... Nxd5 $11 22. Bxg7 ({But not} 22. Rxd5 Bxb2 23. Qxb2 Qe7 $17) 22... Qxg7 23. cxd5 Ne7 24. Nc3 ({Wrong is} 24. Nxc7 $2 Ba4 25. Qb1 Bxd1 26. Bxd1 Ra3 $19) 24... Nf5 (24... g5 $5 {[%cal Rg5f4]}) 25. Bg4 h5 26. Bxf5 Bxf5 27. Nb5 Bd7 ({Black should play} 27... g5 $14) 28. Nxc7 $16 {[%cal Bb5c7,Bc7a8,Ba8b6][%mdl 32]} Ba4 29. Qa3 {White is much more active.} ({Don't do} 29. Nxa8 $6 Bxb3 30. Rxc8+ Kh7 $14) 29... Bxd1 30. Nxa8 Bc2 31. Nb6 Rc7 {[#]} 32. Qa1 {Inhibits Qf6.} (32. Nd7 $1 $16 {[%mdl 512]}) 32... Qxa1 $11 33. Rxa1 {[%mdl 4096] Endgame Black must now prevent Rc1. KRB-KRN} Be4 (33... Kf8 $1 $11 {remains equal.}) 34. Ra8+ $16 Kg7 35. Rc8 Rxc8 36. Nxc8 Bxd5 37. Nxd6 {KB-KN} Kf6 38. Nb5 Ke6 39. g3 (39. Kf2 $16) 39... Bc4 {[#]} (39... Kf5 $14) 40. Nc3 $1 Bd3 $2 {[#] Black cannot hold the game after this.} (40... f5 $16) 41. e4 $1 $18 f6 42. Kf2 g5 $2 (42... Kd6 43. h4 Bc4) 43. Ke3 Bf1 44. h4 gxh4 45. gxh4 Bg2 46. Kd4 Kd6 47. f5 {Intending Nd5 and mate.} Kc6 48. Nd5 Kb5 49. Nxf6 Kxb4 50. Nd5+ {Weighted Error Value: White=0.15 (very precise) /Black=0.38} 1-0

[Event "New York Winter Invitational GM-B 2022"]
[Site "New York"]
[Date "2022.01.17"]
[Round "8.1"]
[White "Barbosa, Oliver"]
[Black "Rohde, Michael"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "2510"]
[BlackElo "2345"]
[Annotator "TA"]
[PlyCount "44"]
[EventDate "2022.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,44,22,22,21,31,14,23,24,38,35,29,33,51,20,32,20,15,16,29,27,43,39,74,0,0,0,41,36,81,50,68,24,31,32,93,79,68]} 1. d4 Nf6 2. Nf3 d6 3. Nc3 Bf5 4. Nh4 Bd7 5. e4 e5 {[%cal Of6e4]} 6. Nf3 {A46: 1 d4 Nf6 2 Nf3 e6: Torre, London and Colle Systems.} Nc6 7. Bc4 {[#] Hoping for Ng5.} Be7 8. d5 {White has an edge.} Nb8 {[%cal Ob7b5]} 9. O-O O-O {[%cal Ob7b5]} 10. Qe2 {[#]} Kh8 $146 ({Predecessor:} 10... h6 11. h3 {1-0 (10) Stanitz,A (2138)-Clark,S (1594) ICCF email 2016}) 11. Ne1 c6 12. a4 (12. Nf3 {keeps more tension.} Bg4 13. h3 Bh5 14. a4 Nbd7 15. a5) 12... cxd5 13. Nxd5 Nxd5 14. Bxd5 Nc6 15. c3 f5 {[#]} 16. f4 {White is more active.} (16. exf5 $1 $16 Bxf5 17. Nc2) 16... fxe4 $11 17. Bxe4 {Qh5 is the strong threat.} d5 (17... Be6 $11) 18. Bxd5 $14 Bc5+ (18... exf4 $14 19. Bxf4 (19. Rxf4 Bc5+ 20. Kh1 Bf5 $11) 19... Bg4 20. Qxg4 Qxd5) 19. Kh1 $16 Bg4 $1 20. Bf3 (20. Qc4 $14 Bb6 21. Bxc6 bxc6 22. h3 (22. fxe5 $2 Qd5 $19) (22. Qxc6 $2 Qd1 $19)) 20... Bxf3 $11 21. Rxf3 e4 ({Black should play} 21... Qd5 $14) 22. Rf1 ({Avoid the trap} 22. Qxe4 $2 Re8 23. Qxe8+ Qxe8 $19) 22... Qd5 {Weighted Error Value: White=0.14 (very precise) /Black=0.14 (very precise)} 1/2-1/2

[Event "New York Winter Invitational GM-B 2022"]
[Site "New York"]
[Date "2022.01.17"]
[Round "8.2"]
[White "Perez, Robert"]
[Black "Jacobson, Brandon"]
[Result "0-1"]
[ECO "A62"]
[WhiteElo "2362"]
[BlackElo "2530"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2022.01.11"]
[EventType "tourn"]
[EventCountry "USA"]

{[%evp 18,60,29,27,29,22,29,15,34,24,16,31,21,10,27,10,25,12,0,0,-7,-30,-26,-17,0,-5,-16,-23,-6,-40,-35,-68,-79,-207,-185,-193,-204,-188,-188,-195,-188,-252,1057,0,286]} 1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 {[%cal Bg7g6,Bg6g5,Bg5g4][%mdl 32]} 7. Bg2 Bg7 8. Nf3 O-O 9. O-O Re8 10. Bf4 h6 {A62: Modern Benoni: Fianchetto Variation without early ...Nbd7.} 11. Re1 (11. Qc1 $5 {[%cal Rf4h6]}) 11... g5 12. Bd2 Bf5 13. h4 g4 14. Nh2 {[%cal Bf3h2,Bh2f1,Bf1e3,Be3f5][%mdl 32]} Bg6 15. e4 h5 16. Bf4 {[#]} a6 $146 ({Predecessor:} 16... Nfd7 17. Bxd6 Qb6 18. Bxb8 Qxb2 19. Bf4 Bxc3 20. Rb1 Qxa2 21. Re2 Qa6 22. Bf1 Be5 {0-1 (39) Prraneeth,V (2281)-Anand,N (2394) Divcibare 2018}) 17. a4 {Prevents b5.} Nfd7 18. Nf1 Ne5 19. Ne3 Nbd7 20. Nf5 Bf8 21. b3 Rc8 22. a5 c4 {White must now prevent ...cxb3.} 23. bxc4 (23. Bg5 $5 {[%cal Rg5d8]} f6 24. Be3 $11) 23... Rxc4 24. Re3 Nc5 25. Kh1 (25. Ne2 $17 {was necessary.}) 25... Bxf5 $19 26. exf5 {[#]} Rxf4 {[%mdl 512]} 27. gxf4 Qxh4+ 28. Kg1 Nf3+ ({Inferior is} 28... Bh6 29. fxe5 Bxe3 30. fxe3 $11) 29. Bxf3 (29. Rxf3 {keeps fighting.} gxf3 30. Qxf3) 29... Re5 $4 {[%mdl 8192]} 30. Re4 $2 Rxe4 $4 {[%mdl 40960] Never resign too early!  Weighted Error Value: White=0.46/Black=0.05 (flawless) . Loss on time!?} (30... gxf3 $11 {and Black has nothing to worry.} 31. Qxf3 (31. fxe5 $2 {loses.} Qg5+ 32. Kf1 Qg2+ 33. Ke1 Bh6 $19) 31... Nxe4 32. fxe5 Qg5+ 33. Kh2 Qh4+ 34. Kg2 Qg5+ 35. Kh2 Qh4+ 36. Kg2 Qg5+ 37. Kh2) 0-1

[Event "New York Winter Invitational GM-B 2022"]
[Site "New York"]
[Date "2022.01.17"]
[Round "8.3"]
[White "Mandizha, Farai"]
[Black "Martinez Alcantara, Jose Eduardo"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "2377"]
[BlackElo "2615"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2022.01.11"]
[EventType "tourn"]
[EventCountry "USA"]

{[%evp 11,70,0,10,-1,-1,-2,-6,-19,4,-39,-41,-85,-94,-104,-88,-108,-96,-107,-27,-23,-27,-61,-64,-187,-182,-170,-154,-202,-189,-326,-326,-318,-247,-243,-217,-255,-221,-243,-215,-263,-219,-304,-306,-359,-372,-476,-425,-492,-493,-799,-795,-705,-695,-814,-807,-745,-744,-936,-798,-772,-742]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. Qc2 Bxd2+ 6. Nbxd2 d6 7. Rc1 {E11: Bogo-Indian.} O-O 8. e4 e5 9. c5 {The position is equal.} Bg4 10. d5 (10. Bb5 $11) 10... Nbd7 $15 11. b4 (11. cxd6 $15 cxd6 12. a3) 11... a5 $17 12. a3 axb4 13. axb4 Bxf3 {[#]} 14. Nxf3 $146 ({Predecessor:} 14. gxf3 dxc5 15. bxc5 Nh5 16. c6 bxc6 17. Qxc6 Ra7 18. Bb5 Rd8 19. Qc3 Nf8 20. Nc4 {0-1 (31) Jablanovic,Z (2240)-Lajthajm,B (2437) Kraljevo 2015}) 14... c6 ({Better is} 14... dxc5 $17 15. bxc5 Ra5) 15. dxc6 $11 bxc6 16. Be2 dxc5 {[%cal Bd6c5,Bc5b4,Bb4b3,Bb3b2][%mdl 32]} 17. O-O {Now White is beyond hope.} ({White should try} 17. bxc5 $15 Ra5 18. O-O) 17... cxb4 $19 18. Qxc6 Rab8 19. Rfd1 (19. Nd2 $17) 19... b3 {[#] Strongly threatening ...b2.} 20. Bd3 (20. Nd2 {might work better.}) 20... b2 21. Rc3 Rb6 22. Qc7 Rfb8 23. Bb1 h6 24. h3 R6b7 25. Qc6 Ra7 26. Nh4 g6 27. Rg3 Kh7 {...Nc5 is the strong threat.} 28. Qc4 Rb4 {Black is clearly winning.} 29. Qe2 Nh5 30. Rgd3 (30. Rf3 $142 Nf4 31. Qe1) 30... Nf4 31. Qe3 Rbb7 32. Nf3 Nxd3 33. Qxd3 Rc7 34. Qe3 Rab7 35. Kh2 Nb6 {Weighted Error Value: White=0.60/Black=0.20 (precise)} 0-1

[Event "New York Winter Invitational GM-B 2022"]
[Site "New York"]
[Date "2022.01.17"]
[Round "8.4"]
[White "Tsay, Vincent"]
[Black "Korley, Kassa"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2295"]
[BlackElo "2394"]
[Annotator "TA"]
[PlyCount "176"]
[EventDate "2022.01.11"]
[EventType "tourn"]
[EventCountry "USA"]

{[%evp 14,176,16,0,0,0,0,0,0,-16,-15,-22,31,-30,-8,-6,-9,-4,-18,-4,2,9,9,17,51,40,66,38,34,61,42,-6,51,19,101,-28,-33,-45,0,0,-7,-89,-7,-43,-43,-131,-137,-136,-132,-141,-134,-137,-141,-142,-141,-141,-142,-145,-150,-157,-155,-156,-150,-132,-135,-145,-98,-99,-98,-98,-98,-98,-98,-116,-109,-114,-36,-52,-52,-99,-70,-80,-80,-80,-36,-36,-36,-36,-35,-36,-36,-36,-36,-36,-36,-41,-41,-81,-74,-198,-195,-195,-145,-145,-145,-145,-138,-145,0,-198,-198,-198,-198,-198,-198,-198,-198,-176,-145,-198,-198,-198,-198,-198,-198,-1143,-1150,-1145,-1141,-1091,-1084,-992,-964,-939,-818,-795,-647,-591,-468,-1525,-1295,-8134,-8186,-29972,-29973,-29974,-29975,-29975,-29975,-29976,-29977,-29977,-29978,-29978,-29979,-29979,-29978,-29978,-29977,-29983,-29984,-29986,-29987,-29986,-29986]} 1. d4 Nf6 2. Nf3 e6 {[%cal Be7e6,Be6e5][%mdl 32]} 3. g3 c5 4. Bg2 cxd4 5. Nxd4 d5 6. O-O e5 7. Nb3 Be6 8. Nc3 Be7 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} 9. f4 exf4 10. gxf4 {10.gxf4 scores better than 10.Bxf4.} g6 {The position is equal.} 11. Kh1 Nc6 12. Be3 {[#]} Qd7 $146 (12... O-O $11) ({Predecessor:} 12... O-O 13. Nd4 Ng4 14. Nxe6 fxe6 15. Bg1 Nh6 16. e4 dxe4 17. Nxe4 Qxd1 18. Raxd1 Rad8 {1-0 (36) Banusz,T (2621)-Papp,G (2582) Budapest 2019}) 13. Bg1 (13. Nc5 $14 Qc8 14. Bg1 (14. Bxd5 Bf5 $11) (14. Nxd5 Bxd5 15. Bxd5 Nxd5 $14)) 13... Rd8 14. Nd4 Bh3 15. Bxh3 $1 Qxh3 16. Qd3 Qd7 17. Rad1 O-O 18. f5 Ne5 19. Qg3 Nc4 20. b3 Nd6 21. Qg2 Nde4 22. Rd3 (22. Nxe4 $14 Nxe4 23. c4) 22... Kh8 (22... Nxc3 $11 23. Rxc3 Ne4 24. fxg6 fxg6) 23. Nxe4 Nxe4 (23... dxe4 $11 24. fxg6 fxg6) 24. Rh3 (24. c4 $1 $16) 24... Bf6 $11 25. Be3 Rde8 26. Qg4 {[%cal Oh3h7]} Re7 $1 27. Rff3 (27. Rg1 $11 {keeps the balance.} Rc8 28. fxg6 fxg6 29. Qxd7 Rxd7 30. Rxg6) 27... Bg7 (27... Rc8 $17) 28. Qh4 {[%csl Gh3][%cal Rh4h7]} h5 {Active counter play!} 29. f6 (29. c3 $15 Bf6 30. Qg4) 29... Nxf6 $1 $17 30. Rxf6 {[%cal Od4f5] Threatens to win with Nf5!} Re4 31. Rf4 Rxf4 {[%mdl 64] Overworked Piece} 32. Bxf4 {Rd3 is the strong threat.} Bxd4 33. Bd6 Qxd6 34. Qxd4+ {[%mdl 4096] Endgame KQR-KQR} Kg8 35. Qxa7 Qf4 36. Rf3 {To avoid Qf1+} Qc1+ 37. Kg2 Qxc2 38. Re3 Qd2 {aiming for ...d4.} 39. Re5 b5 ({Black should try} 39... Qf4 40. Qe3 Qxe3 41. Rxe3 Ra8) 40. Qc5 b4 $1 41. Qxd5 Qxa2 42. Re7 Qc2 43. h4 Qc3 44. Re4 Rc8 (44... Rb8 $17 45. Qd6 Rc8) 45. Rf4 Rc7 46. Qd6 (46. Qa8+ $15 {might be stronger.} Kh7 47. Qd5) 46... Qc2 47. Kf2 Rc8 $1 {To avoid Qd8+} 48. Qxb4 {[#]} Qc7 {Inhibits Qb7.} ({Don't play} 48... Re8 $6 49. Qc4 Qxc4 50. bxc4 $11) (48... Qc6 $1 $17 49. Rc4 Qf6+ 50. Rf4 Qe6) 49. Qd4 $15 Re8 50. b4 $1 Qe7 $36 {[%mdl 2048] Black is pushing.} 51. Qd3 Qe5 52. Qf3 Re7 53. Qa8+ Kh7 54. Qf3 Kg7 55. e3 Qc3 56. b5 (56. Qe2 $17) 56... Rd7 ({Worse is} 56... Qd2+ 57. Qe2 Qc3 58. Rd4 $17) 57. Kg3 Qe1+ ({Black should play} 57... Qb3 $19 58. Rd4 (58. Qe2 $2 Rd3 $19) 58... Qxb5) 58. Qf2 $17 Qb1 59. Qf1 Qb2 60. Qc4 Qa1 (60... Qe5 $17 61. Kf3 Rb7) 61. Qf1 $2 (61. Kf3 $11) 61... Qe5 $19 62. Qe2 Rb7 63. Qd3 Rxb5 64. Qd4 Qxd4 65. Rxd4 {KR-KR} Kf6 66. Rf4+ (66. Kf3 $17) 66... Ke6 {Hoping for ...Re5.} 67. Ra4 {[#]} f6 $1 68. Ra7 Kf5 69. Rh7 $2 (69. Ra8) 69... Re5 70. Kf3 Re4 71. Rb7 Rxh4 72. Rb5+ Ke6 73. Rb6+ Kf7 74. Rb7+ Kg8 75. e4 Rh1 76. e5 (76. Kf2 $142 Rh4 77. Rb8+ Kf7 78. Rb7+ Ke6 79. Rb6+ Ke5 80. Rb5+ Kd4 81. Kf3 Rh3+ 82. Kg2) 76... fxe5 77. Ke4 Rf1 {And now ...h4 would win.} 78. Kxe5 Rf7 {Black mates.} 79. Rb6 Kg7 80. Ke4 Kh6 81. Ke3 h4 {[%cal Bh5h4,Bh4h3][%mdl 32]} 82. Ke2 Kh5 83. Rb5+ g5 {[%cal Bg6g5,Bg5g4][%mdl 32]} 84. Rb3 Kg4 85. Rb4+ Rf4 86. Rb7 h3 87. Rh7 Kg3 88. Rh5 g4 {Weighted Error Value: White=0.19 (very precise) /Black=0.18 (very precise)} 0-1

[Event "New York Winter Invitational GM-B 2022"]
[Site "New York"]
[Date "2022.01.17"]
[Round "8.5"]
[White "Grinberg, Eyal"]
[Black "Tian, Eddy"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2492"]
[BlackElo "2411"]
[Annotator "TA"]
[PlyCount "124"]
[EventDate "2022.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,124,28,29,20,25,27,25,23,16,4,62,22,26,18,36,0,47,45,49,45,59,60,58,20,43,47,45,28,66,63,58,39,64,56,45,-43,-29,-33,-32,-48,-31,-76,-79,-77,-73,-61,-53,-48,-49,-43,-38,-40,-38,-49,0,0,14,2,4,-21,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,6,6,6,13,13,13,4,20,4,4,4,4,4,4,4,4,4,4]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Ne7 6. O-O h6 7. Nbd2 {B12: Caro-Kann: Advance Variation.} Nd7 8. Nb3 g5 $1 {8...g5 is better than 8...Bh7.} 9. Ne1 {White has an edge.} Qc7 10. f4 {[#]} Rg8 $146 (10... c5 $11) ({Predecessor:} 10... c5 11. Nxc5 Nxc5 12. dxc5 Qxc5+ 13. Kh1 d4 14. Nd3 Qc7 15. fxg5 O-O-O 16. Bg4 Bxg4 17. Qxg4 {0-1 (32) Shirov,A (2636)-Nakamura,H (2763) Douglas 2018}) 11. Nf3 {[%cal Rf4g5]} c5 12. dxc5 Nc6 13. Kh1 gxf4 (13... Be4 $11 {was preferrable.}) 14. Bxf4 Nxc5 15. c3 Be4 16. Nbd4 $1 a6 17. Rf2 Nd7 18. Nxc6 bxc6 19. Bd3 {Strongly threatening Bxe4.} Qb6 20. Re2 Nc5 21. Bc2 a5 22. Be3 Qa6 23. Bxc5 (23. Rd2 $14) 23... Bxf3 $15 24. gxf3 Bxc5 25. Qd2 Ba7 26. Rf1 (26. Bh7 $15 Rg7 27. Rg2 (27. Bd3 Qb6 $15) 27... Rxg2 28. Kxg2) 26... Kd7 $17 {Threatens to win with ...Rg7.} 27. Bd3 Qb6 {[#] ( -> ...Rg1+)} 28. Rg2 {Prevents Rg1+.} Qe3 {Prevents Qf4.} 29. Qxe3 Bxe3 30. f4 {[%cal Bf3f4,Bf4f5][%mdl 32]} Rab8 {And now ...Rxg2 would win.} 31. b3 Rxg2 (31... Ke7 {seems wilder.} 32. Re2 Bb6 33. Rg2 h5 34. Rg3 h4) 32. Kxg2 $15 {[%mdl 4096] Endgame KRB-KRB} c5 (32... a4 $15 33. bxa4 Bd2) 33. Kf3 $11 {The position is equal.} d4 34. Bc4 Rg8 35. f5 Rg1 (35... exf5 $142 36. cxd4 cxd4) 36. cxd4 Rxf1+ 37. Bxf1 Bxd4 {KB-KB} 38. Ke4 exf5+ 39. Kxf5 Ke7 40. Bc4 Bg1 41. h3 {[%cal Bh2h3,Bh3h4,Bh4h5][%mdl 32]} Bd4 42. Ke4 Bf2 43. Kd5 Bd4 44. Bd3 Bb2 45. h4 Kf8 46. Kd6 Kg7 47. h5 Bc3 48. Ba6 Bb2 49. Bc8 Bc3 50. Bh3 Bb2 51. Bf1 Bc3 52. Bc4 Bb2 53. Be2 Bc3 54. e6 fxe6 55. Kxe6 Bb4 56. Bc4 Ba3 57. Kd6 Bb4 58. Kc6 Kf6 59. Kb5 Kg7 60. Ka4 Bc3 61. Be2 Kf6 62. Kb5 Bb4 {Weighted Error Value: White=0.08 (flawless) /Black=0.07 (flawless)} 1/2-1/2

[Event "New York Winter Invitational GM-B 2022"]
[Site "New York"]
[Date "2022.01.17"]
[Round "9.1"]
[White "Tian, Eddy"]
[Black "Barbosa, Oliver"]
[Result "1/2-1/2"]
[WhiteElo "2411"]
[BlackElo "2510"]
[Annotator "TA"]
[PlyCount "33"]
[EventDate "2022.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,14,18,8]} 1. d4 d5 2. c4 c6 3. e3 Bf5 4. Nf3 e6 5. Nc3 Nd7 6. Bd3 Bxd3 7. Qxd3 Ngf6 {[#]} {Predecessor:} 8. O-O $146 {D12: Slav Defence: 3 Nf3 Nf6 4 e3 Bf5.} Bb4 9. Bd2 Ba5 10. Rab1 O-O 11. b4 Bc7 12. Rfd1 Nb6 13. cxd5 cxd5 14. Nb5 Bb8 15. Rdc1 Ne4 16. Be1 a6 17. Na3 {0-1 (45) Paravyan,D (2647)-Yilmaz,M (2630) Lichess.org INT 2021} 1/2-1/2

[Event "New York Winter Invitational GM-B 2022"]
[Site "New York"]
[Date "2022.01.18"]
[Round "9.2"]
[White "Korley, Kassa"]
[Black "Grinberg, Eyal"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2394"]
[BlackElo "2492"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2022.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,91,12,8,11,30,23,39,10,24,-1,60,52,59,64,61,41,45,42,50,25,35,28,33,30,35,30,26,27,31,25,54,49,58,50,64,54,62,56,88,73,104,114,127,97,97,80,102,89,103,74,257,257,281,289,285,291,456,450,670,620,1649,1643,1604,1017,1685,1429,1485,1656,1289,1520,1432,1348,1398,1383,29994,29995,29995,29996,29996,29996,29996,29997,29997,318]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. g3 Bf5 5. Nc3 e6 6. Nh4 {D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4.} Bg4 7. h3 Bh5 8. Qb3 $1 {[%mdl 4] White is slightly better. is more profitable than 8.g4 at the moment.} Qb6 9. c5 Qc7 (9... Qxb3 $11 10. axb3 Be7) 10. Bf4 $14 Qc8 11. g4 Bg6 12. Nxg6 hxg6 13. Bg2 Be7 {[#]} 14. e4 $146 ({Predecessor:} 14. Qc2 Nbd7 15. Bf3 Bd8 16. Bd6 Bc7 17. g5 Nh7 18. h4 Bxd6 19. cxd6 Qb8 20. Qb3 {1-0 (62) Sethuraman,S (2633)-Yeoh,L (2470) Chengdu 2017}) 14... dxe4 15. Bh2 g5 16. Nxe4 Nxe4 17. Bxe4 Nd7 18. O-O-O Nf6 19. Bg2 Nd5 20. Bxd5 cxd5 21. Kb1 $1 Qc6 22. f4 gxf4 23. Bxf4 {[%cal Oh3h4]} Kd7 24. Rd3 {[%cal Bd1d3,Bd3c3,Bc3c1][%mdl 32]} Rh7 25. Rc1 {[%cal Bh1c1,Bc1c3,Bc3b3][%mdl 32]} Rah8 26. Rcc3 Bd8 27. Qa3 {To avoid Ba5} a6 28. Rb3 {Rdc3 is the strong threat.} f6 29. Rdc3 {[%cal Ob3b7] Hoping for Rxb7+! White is much more active.} g5 $2 {[#] This move loses the game for Black.} (29... Ke8 $16) 30. Rxb7+ $1 $18 {[%mdl 512]} Ke8 (30... Qxb7 31. c6+) 31. Rxh7 {Chess con chili.} Rxh7 32. Bd6 Qb5 (32... a5 $142 33. Rb3 Bc7 34. Bxc7 Qxc7) 33. Rc1 Bc7 (33... Qc6 $142 34. Qd3 Rg7) 34. c6 Qe2 35. Bxc7 Rxc7 {[%mdl 4096] Endgame KQR-KQR} 36. Qd6 Qe4+ 37. Ka1 Qf4 38. Qxe6+ Kf8 39. Re1 Kg7 40. Qxd5 Qd2 41. Qe4 Rxc6 42. Qe7+ {White mates.} Kh6 43. Qf8+ Kg6 44. Qg8+ Kh6 45. Qh8+ Kg6 46. Qh5+ {Weighted Error Value: White=0.07 (flawless) /Black=0.63} 1-0

[Event "New York Winter Invitational GM-B 2022"]
[Site "New York"]
[Date "2022.01.18"]
[Round "9.3"]
[White "Martinez Alcantara, Jose Eduardo"]
[Black "Tsay, Vincent"]
[Result "1/2-1/2"]
[ECO "C11"]
[WhiteElo "2615"]
[BlackElo "2295"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2022.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,79,7,0,27,31,24,28,38,26,27,27,18,21,30,15,14,21,14,14,14,15,11,24,24,16,18,16,15,0,0,0,0,-8,0,-8,-8,-8,-4,-15,0,-8,0,0,-6,-18,-3,-4,0,-20,0,0,0,0,0,0,0,0,0,0,0,-137]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 cxd4 8. Nxd4 Qb6 9. Qd2 Qxb2 10. Rb1 Qa3 11. Bb5 $1 {[#] Black must now prevent Rb3.} Nxd4 {C11: French: Classical System: 4 e5 and 4 Bg5 dxe4.} 12. Bxd4 {[%cal Of4f5]} ({Much weaker is} 12. Qxd4 a6 13. Bxd7+ Bxd7 14. Rxb7 Rc8 $17) 12... a6 13. Bxd7+ Bxd7 {White has an edge.} 14. Rb3 Qe7 15. Rxb7 Rc8 16. O-O {Threatens to win with Kh1.} Qd8 17. Qf2 Rxc3 18. Bxc3 Qc8 {[%csl LRb7,LRc3]} 19. Rb3 {[#] aiming for Bd4.} Ba4 20. Bd4 {Hoping for Rc3.} Bxb3 21. axb3 {[%cal Ba2b3,Bb3b4][%mdl 32]} Be7 22. c3 O-O {The position is equal.} 23. b4 Qc6 {[#]} 24. Qe2 $146 ({Predecessor:} 24. Ra1 Bd8 25. h4 Bc7 26. h5 h6 27. g4 Bd8 28. Kg2 Be7 29. Ra2 Ra8 30. Qc2 {½-½ (58) Biedermann,T (2485)-Bernal Varela,N (2411) ICCF email 2019}) 24... Ra8 25. Ra1 Bd8 26. Kf1 Qb7 27. b5 axb5 28. Rxa8 Qxa8 29. Qxb5 {[%cal Rb5e8]} Be7 30. Qd7 Bf8 31. Ba7 g6 32. Kf2 $1 Ba3 33. g4 Qf8 34. Kg3 Bc5 35. Bxc5 Qxc5 36. Qd8+ Kg7 37. Qf6+ Kg8 38. Qd8+ Kg7 39. Qf6+ Kg8 40. Kf3 {Weighted Error Value: White=0.03 (flawless) /Black=0.04 (flawless)} (40. Qd8+ $11 Kg7) 1/2-1/2

[Event "New York Winter Invitational GM-B 2022"]
[Site "New York"]
[Date "2022.01.18"]
[Round "9.4"]
[White "Jacobson, Brandon"]
[Black "Mandizha, Farai"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "2530"]
[BlackElo "2377"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2022.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,61,12,0,25,33,110,116,183,181,318,334,330,319,356,360,361,367,345,341,327,338,366,322,351,346,365,371,361,368,428,418,759,485,537,523,648,647,712,719,699,700,757,817,803,792,916,919,1235,1207,1137,1104]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Nbd2 O-O 6. Bg2 dxc4 7. Qc2 a6 {E04: Open Catalan: 5 Nf3.} 8. Qxc4 {[#]} c5 $146 ({Black should try} 8... Be7 $14) ({Predecessor:} 8... Be7 9. Qc2 Nc6 10. e3 Nb4 11. Qb1 c5 12. a3 Nc6 13. dxc5 Bxc5 14. b4 Be7 15. Bb2 {½-½ (31) Matlakov,M (2700)-Blesic,V (2390) Caleta 2019}) 9. dxc5 $16 Qa5 (9... Bxd2+ $16 10. Bxd2 Bd7) 10. a3 $18 Bxc5 (10... Nc6 $142) 11. b4 Bxf2+ 12. Kxf2 Qh5 13. h3 Nbd7 14. g4 Qg6 15. Qd3 Qxd3 16. exd3 Rd8 17. Ne4 Nd5 18. Bd2 N7b6 19. a4 {[%cal Ba3a4,Ba4a5][%mdl 32]} Bd7 20. Nc5 Bc6 21. Ne5 Rd6 (21... Ne7 $142 22. Nxc6 bxc6) 22. a5 {White is clearly winning.} Nc8 23. Rhc1 Nce7 24. b5 axb5 25. a6 bxa6 26. Ne4 f6 27. Nxd6 fxe5 28. Bg5 Rf8+ 29. Kg1 Bd7 30. Bxe7 Nxe7 31. Rc7 {White took control after the opening.  Weighted Error Value: White=0.18 (very precise) /Black=0.46} 1-0

[Event "New York Winter Invitational GM-B 2022"]
[Site "New York"]
[Date "2022.01.17"]
[Round "9.5"]
[White "Rohde, Michael"]
[Black "Perez, Robert"]
[Result "1/2-1/2"]
[WhiteElo "2345"]
[BlackElo "2362"]
[Annotator "NA RC"]
[PlyCount "10"]
[EventDate "2022.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:14]} Nf6 {[%emt 0:00:02]} 2. Nf3 {[%emt 0:00:27]} g6 {[%emt 0:00:06]} 3. g3 {[%emt 0:00:28]} Bg7 {[%emt 0:00:07]} 4. Bg2 {[%emt 0:00:08]} O-O {[%emt 0:00:21]} 5. O-O {[%emt 0:00:49]} d5 {[%emt 0:00:38]} 1/2-1/2

