[Event "Saint Louis Invitational A 2017"]
[Site "Saint Louis"]
[Date "2017.11.18"]
[Round "1"]
[White "Chirila, Ioan-Cristian"]
[Black "Ashwin, Jayaram"]
[Result "0-1"]
[ECO "A01"]
[WhiteElo "2557"]
[BlackElo "2474"]
[Annotator "TA"]
[PlyCount "170"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]

{[%evp 28,170,0,0,0,0,0,0,15,0,9,5,12,18,10,19,9,10,95,119,172,151,496,494,486,472,681,629,950,0,0,-18,-28,-44,0,-117,-117,-117,-117,-117,-113,-106,-102,-99,-58,-60,-87,-100,-24,-17,-15,-145,-120,-120,-163,-134,-142,-166,-162,-168,-146,-159,-171,-168,-158,-134,-132,-168,0,-251,0,0,0,0,0,-146,-147,-143,-133,-158,-182,-209,-201,-189,-200,-232,-222,-12843,-12843,-12845,-12843,-12843,-12844,-12845,0,-12843,0,-12845,-175,-175,-175,-175,-175,-178,-124,-124,-124,-124,0,-184,-139,-130,-139,-135,-125,-131,-139,-133,-117,-435,-318,-12831,-12830,-12821,-12831,-10810,-1795,-12845,-12845,-12845,-12843,-12845,-12845,-12845,-12846,-12846,-12847,-12850,-12850,-29982,-29983,-29983,-29984,-29984,-29985]} 1. b3 d6 2. Bb2 Nd7 3. g3 Ngf6 4. Bg2 g6 5. e4 Bg7 6. Ne2 O-O 7. O-O e5 8. c4 Nc5 9. Qc2 c6 10. Nbc3 Re8 11. d4 exd4 12. Nxd4 Qb6 13. Rad1 a5 14. h3 {E68: King's Indian: Fianchetto: 6...Nbd7 7 0-0 e5 8 e4} a4 15. Kh2 {LiveBook: 4 Games} axb3 16. axb3 {The position is equal.} Nfd7 17. f4 {[#]} Nf8 $146 ({Predecessor:} 17... h5 18. Rfe1 Nf6 19. f5 Nfd7 20. fxg6 fxg6 {½-½ (31) Porreca,G-Gligoric,S (2575) Helsinki 1952}) 18. f5 Nfd7 19. Ndb5 cxb5 20. Nd5 $36 {[%mdl 2048] White is pushing.} Qd8 $1 21. Bxg7 Kxg7 22. b4 {[#]} Na4 (22... Nxe4 $1 $11 23. Bxe4 bxc4) 23. cxb5 $16 (23. fxg6 hxg6 24. cxb5 Re5 $17) 23... Nab6 (23... Ne5 $16) 24. Nc7 $1 $18 Ra4 $2 (24... d5 $16) 25. Rxd6 Re5 26. Qc3 Qf8 {[#]} (26... Ra2 $142 27. Qxe5+ Nxe5 28. Rxd8 Nbc4) 27. Rxb6 $1 {[%mdl 512]} Qxb4 {[#]} (27... Nxb6 28. Ne6+) 28. f6+ $2 ({Only move:} 28. Ne6+ $1 $18 {[%mdl 512]} fxe6 29. Qxc8 Nxb6 30. Qc7+ Nd7 31. Qxd7+ Kh6 32. fxg6 hxg6 33. Qe8 Rxe4 34. Rf6) 28... Kh6 $1 $11 29. Qxb4 Rxb4 30. Rd6 Rc5 31. Ne6 (31. Nd5 $11 Rb2 32. Ne7) 31... fxe6 $17 32. Rxd7 Bxd7 33. f7 Rc8 34. f8=Q+ Rxf8 35. Rxf8 Rxb5 {[%mdl 4096] Endgame KRB-KRB} 36. Rf7 Bc6 37. h4 Re5 (37... e5 $17 38. g4 g5 39. hxg5+ Kg6) 38. g4 $1 $11 {[%cal Rg4g5]} g5 $1 {[%cal Bg6g5,Bg5h4,Bh4h3,Bh3h2][%mdl 32]} (38... Bxe4 $2 39. g5+ Kh5 40. Kg3 $18) 39. Kg3 (39. hxg5+ $11 {keeps the balance.} Kg6 40. Re7) 39... Kg6 $17 (39... Bxe4 40. Bxe4 Rxe4 41. hxg5+ Kxg5 42. Rg7+ Kf6 43. Rxb7 $15) 40. Re7 gxh4+ ({Of course not} 40... Bxe4 $6 41. Bxe4+ Rxe4 42. h5+ Kh6 43. Rxb7 $11) 41. Kf4 {[#]} h3 $1 {[%cal Rh3g2]} 42. Bh1 (42. Bxh3 Rxe4+) 42... Rc5 $1 {aiming for ...e5+!} 43. Rxe6+ Kg7 {And now ...Rc1 would win.} 44. g5 Rc1 45. Bf3 h2 46. Rh6 Rc2 47. Ke3 b5 $2 (47... Bd7 $19 48. Bh1 b5) 48. Be2 $2 {[%mdl 8192]} (48. Kd3 $11 Rf2 49. Ke3) 48... Bxe4 $2 (48... b4 $1 $19 49. Bd3 Rg2) 49. Rxh2 $11 Bg6 (49... Bd5 {is interesting.} 50. Rxh7+ Kxh7 51. Bd3+ Kg7 52. Bxc2) 50. Rh4 Rc5 51. Rb4 (51. Rd4 $1 $11) 51... Re5+ $17 ({Don't play} 51... Rxg5 52. Bxb5 Kf6 53. Kf4 $15) 52. Kf2 Be8 ({Much worse is} 52... Rxg5 $6 53. Rxb5 Rxb5 54. Bxb5 $11) 53. Bd3 Rxg5 54. Kf3 h5 55. Rd4 Kf6 56. Rf4+ Ke7 57. Rd4 $2 (57. Re4+ Kf7 58. Ke3) 57... Bc6+ $19 58. Ke3 Rg3+ 59. Kf2 Rg2+ 60. Ke3 Rg3+ 61. Kf2 $1 {[%cal Rf2g3]} Rg5 62. Ke3 $1 Ke6 $2 (62... Rg4 {White must now prevent ...Rxd4.} 63. Rxg4 hxg4) 63. Be2 Re5+ 64. Kf2 Rf5+ 65. Kg3 Ke5 (65... Rd5 $1 $19 {[%cal Rd5d4]} 66. Rh4 Be8) 66. Rd8 $17 Rg5+ $1 67. Kh4 Rg2 {[#]} ({Black should play} 67... Rg1 $1 $17 {Threatens to win with ...Rh1+.} 68. Kxh5 b4) 68. Bxh5 $2 (68. Bxb5 $1 $11 {[%mdl 512]} Bxb5 69. Kxh5) 68... Be4 69. Bg4 b4 {[%cal Bb5b4,Bb4b3,Bb3b2][%mdl 32] Hoping for ...b3.} 70. Rb8 Kf4 71. Rf8+ {[#]} Ke3 $1 72. Rb8 Rb2 73. Kg5 $2 {[%mdl 8192]} (73. Re8 $17 {was the crucial defense.}) 73... b3 $19 74. Be6 $2 (74. Rb5) 74... Rg2+ 75. Kf6 b2 76. Ba2 Bd3 77. Ke5 Rg5+ 78. Kf6 Rf5+ 79. Ke7 Rb5 80. Ra8 Kd2 81. Kd7 Rb6 82. Kc7 Ra6 83. Rxa6 Bxa6 {Black mates.} 84. Kb6 {[#]} Bc4 $1 {[%mdl 512]} 85. Bb1 (85. Bxc4 b1=Q+) 85... Kc1 {Precision: White = 51%, Black = 58%.} 0-1

[Event "Saint Louis Invitational A 2017"]
[Site "Saint Louis"]
[Date "2017.11.18"]
[Round "1"]
[White "Burke, John M"]
[Black "Sturt, Raven"]
[Result "1-0"]
[ECO "C95"]
[WhiteElo "2502"]
[BlackElo "2449"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]

{[%evp 26,91,42,58,45,47,44,44,44,50,49,38,38,38,45,48,34,52,57,35,62,62,60,60,88,79,85,80,80,80,83,62,72,86,73,53,78,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,22,14,42,54,45,44,53,34,29988,29989,29989,29990]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7 11. Nbd2 Bb7 12. a4 c5 13. Bc2 Re8 14. d5 c4 {C95: Closed Ruy Lopez: Breyer Variation with 10 d4} 15. b3 cxb3 16. Nxb3 {[#]} Nb6 $146 {White is slightly better.} ({Predecessor:} 16... Qc7 17. Be3 Nb6 18. Nbd2 Nfd7 19. axb5 {½-½ (19) Areshchenko,A (2678)-Efimenko,Z (2651) Rivne 2016}) 17. Na5 Qc7 {[%cal Rb6d5] With the idea ...Nbxd5.} 18. Nxb7 Qxb7 19. axb5 axb5 20. Rb1 Rec8 21. Rxb5 Rxc3 22. Re3 (22. Bd2 {feels hotter.} Rca3 23. Qb1 Nfd7 24. Bd3 Qc7 25. Rb4) 22... Rac8 23. Rxc3 Rxc3 24. Bd2 Ra3 25. Qc1 Ra8 26. Bd3 Rc8 27. Qb1 Nfd7 {[%cal Bf6d7,Bd7c5,Bc5d3][%mdl 32]} 28. Ba5 Bd8 29. Nd2 Qa7 30. Qb4 Nc5 {[#] aiming for ...Nxd5.} 31. Bxb6 (31. Bb1 $1 $16 Ncd7 32. Nb3 (32. Qxd6 Rc1+ 33. Kh2 Nc8 $16)) 31... Bxb6 $11 32. Rxb6 Nxd3 33. Qxd6 h6 {...Kh7 is the strong threat.} 34. Kh2 Qa2 35. Rb8 Rxb8 $1 36. Qxb8+ Kh7 37. Nf3 Qxf2 {Strongly threatening ...Nf4.} 38. Qc8 Nf4 {[%csl Gf4][%cal Rf2g2]} 39. Qg4 f6 40. Nh4 Qa7 41. d6 {[%cal Bd5d6,Bd6d7][%mdl 32] Black must now prevent Qf5+.} Qb7 42. d7 Qc7 43. Qd1 Ne6 44. Qd5 Qc1 $2 {[%mdl 8192] [#]} (44... Nd8 $14) 45. Qxe6 Qf4+ 46. g3 {Precision: White = 68%, Black = 58%.} 1-0

[Event "Saint Louis Invitational A 2017"]
[Site "Saint Louis"]
[Date "2017.11.18"]
[Round "1"]
[White "Zierk, Steven"]
[Black "Sadorra, Julio Catalino"]
[Result "1-0"]
[ECO "B43"]
[WhiteElo "2493"]
[BlackElo "2554"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,79,18,0,15,14,39,38,37,33,27,3,54,47,67,58,62,63,53,45,44,-6,-6,-11,-20,-8,-14,-19,-19,-35,-15,-11,-33,-77,-67,-69,-55,-58,-48,-118,-113,-204,-212,-202,-230,-241,-274,-445,-306,-295,-294,-239,0,0,518,462,2343,2239,2189,2067,29960,29959,29962,12840,29987,29988,29988,29989]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 {[%cal Bg2g3,Bg3g4,Bg4g5][%mdl 32]} Nf6 {[%cal Bg8f6,Bf6g4,Bg4e5][%mdl 32]} 7. Bg2 Bb4 8. Bd2 {LiveBook: 206 Games} d6 {B43: Sicilian: Kan Variation: 5 Nc3} 9. g4 $146 ({Predecessor:} 9. O-O O-O 10. Nb3 e5 11. a3 Bxc3 12. Bxc3 b6 13. Qd2 Rd8 14. Rad1 Nc6 15. Rfe1 h6 16. h3 {0-1 (40) Taysayev,T (2245)-Savchenko,B (2634) Sochi 2017}) 9... h6 10. h4 h5 {White is slightly better.} 11. g5 Ng4 $1 12. Nb3 Nc6 ({Black should play} 12... Bc5 $11 13. Rf1 (13. Nxc5 Qxc5 14. Qe2 Nc6 $11) 13... Nc6) 13. Qe2 $14 Na5 14. a3 Nxb3 15. cxb3 Bc5 16. f3 $1 {[%cal Rf3g4]} Ne5 $1 17. Rc1 Qb6 18. b4 Bd4 19. f4 Ng4 20. Bf3 Bd7 21. Bxg4 hxg4 22. Qxg4 a5 $36 {[%mdl 2048] Black has good play.} 23. g6 axb4 24. gxf7+ Kxf7 25. axb4 Qxb4 {Threatens to win with ...Rhc8.} 26. Rh3 (26. Nd1 $1 $15 Qb6 27. Rh3) 26... Qxb2 $17 {aiming for ...Ra1.} 27. Rd3 {[#]} (27. Nd1 $17 Qb6 28. Rg3) 27... Ra1 $1 $19 {[%cal Ra1c1]} 28. Rxa1 Qxa1+ 29. Ke2 Qa6 30. Qg3 $2 (30. h5 {only move.}) 30... Qc4 31. f5 Be5 32. Bf4 Bb5 $2 {[#]} ({But not} 32... exf5 33. Bxe5 dxe5 34. Kd2) (32... Bxc3 $19 33. Qg6+ Ke7 34. fxe6 Bxe6 35. Bxd6+ Kd7 36. Bb4+ Kc8 37. Bxc3 Rd8) 33. fxe6+ $1 $11 Ke7 $2 {[%mdl 8192]} (33... Kxe6 $11 {and Black stays safe.} 34. Nxb5 Qxb5) 34. Qg5+ $18 Kxe6 (34... Ke8 $142 35. Qg6+ Kd8 36. Nxb5 Qxb5) 35. Qf5+ Ke7 36. Bg5+ Bf6 37. Bxf6+ gxf6 38. Nd5+ Kd8 39. Qxf6+ Kd7 40. Nb6+ {Precision: White = 61%, Black = 44%.} 1-0

[Event "Saint Louis Invitational A 2017"]
[Site "Saint Louis"]
[Date "2017.11.18"]
[Round "1"]
[White "Gurevich, Daniel"]
[Black "Hambleton, Aman"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2471"]
[BlackElo "2484"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,91,13,0,0,0,0,0,0,0,34,34,31,23,43,27,30,39,57,31,36,10,20,20,29,-20,10,18,25,11,114,100,114,124,113,54,125,41,56,41,36,20,34,40,33,54,249,-177,-168,-449,-482,-576,-592,-547,-5,-5,723,723,825,730,1037,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bh4 O-O {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4)} 8. e3 Bf5 9. Bd3 (9. Qb3 Bxc3+ 10. bxc3 Nbd7 11. Be2 c5 12. dxc5 g5 13. Bg3 Nxc5 14. Qb4 Nfe4 15. O-O {½-½ (35) Aronian,L (2801)-Wojtaszek,R (2737) Heraklio 2017}) 9... Bxd3 10. Qxd3 {LiveBook: 5 Games} c6 11. a3 $146 ({Predecessor:} 11. O-O Nbd7 12. a3 Bd6 13. b4 Qe7 14. Rfe1 Qe6 15. Nd2 Qg4 16. Bg3 Bxg3 17. hxg3 Rfe8 18. Nf1 h5 19. Rac1 a5 {0-1 (48) Batsiashvili,N (2489)-Ju,W (2580) Khanty-Mansiysk 2016}) 11... Be7 12. Bxf6 Bxf6 13. h4 {[%cal Bh2h4,Bh4h5][%mdl 32]} g6 14. h5 g5 15. Ne2 {[%cal Bc3e2,Be2g3,Bg3f5][%mdl 32]} Nd7 16. Ng3 Bg7 17. Nf5 a5 18. Nd2 Re8 19. f3 c5 {Hoping for ...cxd4.} 20. O-O Qb6 21. f4 g4 22. dxc5 Nxc5 23. Qe2 $1 {[%cal Re2g4]} (23. Qxd5 $2 Rad8 $19) 23... Qxb2 (23... Bxb2 $11 {keeps the balance.} 24. Ra2 (24. Qxg4+ Kh7 $11) 24... Kh7) 24. Qxg4 $16 Kh8 25. Rab1 Qf6 26. Rb5 (26. Nf3 $16) 26... Bf8 (26... Rg8 $1 $14) 27. Rf3 (27. Nf3 $16) 27... Ne4 $14 28. Nxe4 (28. Rxd5 Nxd2 29. Rxd2 Bxa3 $11) 28... dxe4 29. Rg3 {[%csl Gg3][%cal Rg4g8]} Bxa3 30. Rb6 $40 {[%mdl 128] Black needs to defend precisely.} ({Don't play} 30. Rxb7 Rg8 $17) 30... Re6 31. Rxb7 {Threatens to win with Nd4.} a4 $2 (31... Ree8 $14) 32. Ra7 $4 {[%mdl 8192]} (32. Nd4 $1 $18 {[%cal Rd4e6] was the only winning move.} Rd6 33. Rb5) 32... Ree8 $19 33. Rc7 $2 (33. Rb7) 33... Bb2 $1 {And now ...a3 would win.} 34. Nd6 Qxd6 35. Rxf7 {White wants to mate with Qf5.} Rg8 $2 {[#]} ({Better is} 35... Re7 $19 36. Rxe7 Qxe7) 36. Qf5 $1 $11 {[%csl Gf5][%cal Rf7h7][%mdl 512]} Bg7 $2 {[%mdl 8192] [#]} (36... Rg7 $11 37. Rg6 Rxf7 38. Qxf7 Qd1+ 39. Kf2 Qd2+ 40. Kg3 Qe1+ 41. Kh2 Qh4+ 42. Kg1 Qe1+ 43. Kh2 Qh4+ 44. Kg1 Qe1+ 45. Kh2) 37. Rg6 $1 $18 {[%cal Rg6d6]} ({Avoid the trap} 37. Rd7 $2 Raf8 $19) 37... Qxg6 38. hxg6 ({Not} 38. Qxg6 a3 $14) 38... a3 {[#]} 39. Qh5 $2 (39. Qf6 $3 $18 {[%mdl 512]}) 39... Rge8 $11 {The position is equal.} 40. Rxg7 Kxg7 {[%mdl 4096] Endgame KQ-KRR} 41. Qd5 {Intending Qf7+ and mate.} Kxg6 42. Qd6+ Kf7 43. Qd7+ Kf6 44. Qd4+ Kf7 45. Qd7+ Kf6 46. Qd4+ {Precision: White = 54%, Black = 44%.} 1/2-1/2

[Event "Saint Louis Invitational A 2017"]
[Site "Saint Louis"]
[Date "2017.11.18"]
[Round "1"]
[White "Shetty, Atulya"]
[Black "Bartholomew, John"]
[Result "0-1"]
[ECO "A37"]
[WhiteElo "2403"]
[BlackElo "2442"]
[Annotator "TA"]
[PlyCount "172"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,172,7,11,12,19,2,0,0,0,1,12,0,8,16,-8,-9,-13,-6,0,0,-4,-2,-15,-17,-39,-39,-36,-31,-42,-36,-47,-36,-40,-17,-15,-15,-20,-12,-25,-22,-35,-13,-39,-21,-22,0,-22,0,-35,-28,-29,0,0,0,0,0,-8,0,-5,0,-26,-13,-12,-21,-27,-16,-47,-34,-92,-93,-86,-45,-59,-66,-47,-51,-81,-81,-104,-101,-104,-94,-102,-110,-102,-96,-188,-85,-64,0,-174,-2,-68,-67,-64,-16,-34,-29,-160,-150,-257,-196,-273,-266,-253,-249,-289,-300,-297,-283,-346,-295,-287,-239,-352,-220,-677,-662,-675,-660,-664,-647,-661,-389,-538,-382,-364,-320,-300,-274,-377,-380,-650,-634,-684,-650,-569,-564,-606,-604,-881,-878,-802,-770,-838,-838,-741,-741,-1789,-1727,-823,-1202,-804,-725,-725,-692,-674,-671]} 1. Nf3 c5 2. c4 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nc3 e6 6. d4 cxd4 7. Nb5 d5 8. cxd5 Qa5+ 9. Nd2 exd5 {A37: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3} (9... Qxb5 10. dxc6 Ne7 11. a4 Qb4 12. b3 Nxc6 13. Ba3 Qa5 14. O-O Bf8 15. Nc4 Qd8 16. b4 Nxb4 17. a5 {½-½ (40) Fressinet,L (2709)-Fedoseev,V (2641) Yerevan 2014}) 10. Nd6+ Kf8 11. Nxc8 $146 ({Predecessor:} 11. O-O Nge7 12. b4 Nxb4 13. Qb3 Nbc6 14. Ba3 d3 15. Qxd3 Bxa1 16. Rxa1 Kg7 17. e4 {½-½ (30) Sulava,N (2380)-Lazarev,V (2500) Asti 1998}) 11... Rxc8 {The position is equal.} 12. O-O Nf6 13. Nb3 Qb6 14. e3 {[%cal Re3d4]} Bh6 {[%cal Rd4e3]} 15. Nxd4 (15. Bh3 {is interesting.} Re8 16. Nxd4 Nxd4 17. Qxd4 Qxd4 18. exd4 Bxc1 19. Rfxc1 Re2 20. b4) 15... Nxd4 16. Qxd4 Qxd4 17. exd4 Bxc1 18. Raxc1 Ke7 19. Bh3 Rc6 20. f3 Kd6 21. Kf2 h5 22. Rfe1 h4 23. Bf1 hxg3+ 24. hxg3 Rh2+ 25. Bg2 Rc4 26. Red1 Rh8 27. Bf1 Rb4 28. Rc2 Nd7 29. Rd3 Rh2+ 30. Bg2 Rc4 31. Rdd2 a5 32. Kg1 Rh8 33. Bf1 Rb4 34. Rc3 Nb8 35. a3 Rb6 $1 36. Bg2 Nc6 37. f4 Ne7 38. Kf2 Rc8 39. Rxc8 Nxc8 $11 {[%mdl 4096] Endgame KRB-KRN} 40. Bf3 Rc6 41. Bd1 Nb6 42. b3 (42. a4 $1 $15) 42... Rc3 $17 43. Re2 {[#]} a4 $1 {[%mdl 512]} 44. bxa4 Rxa3 45. Rb2 Kc6 46. Rb4 Nc4 47. Bb3 Nd2 48. Bc2 Rc3 49. Rb2 Nc4 50. Ra2 b6 51. Bb1 (51. f5 $17 {might work better.}) 51... Rb3 (51... Na3 $19 {is more deadly.} 52. Rb2 Rc4) 52. Bc2 Rc3 (52... Re3 $15) 53. Bb1 $1 $19 Rc1 $2 ({Black should try} 53... Na3 $19 54. Rb2 Rc4) 54. Bc2 (54. Bd3 $11) 54... Rh1 $15 55. Kg2 Re1 56. Kf2 Re3 {[#]} 57. g4 {[#]} (57. a5 $1 $11 {[%mdl 512] remains equal.}) 57... Rh3 $1 $17 58. Kg2 (58. g5 $17) 58... Rc3 $19 59. Kf2 (59. Bb1 $142) 59... Ne3 60. Bb1 Nxg4+ 61. Kg2 Ne3+ 62. Kf2 Nc4 63. Re2 Ra3 64. Bc2 Kd6 65. f5 (65. Re1 $142) 65... gxf5 66. Ke1 $2 (66. Bxf5 Rxa4 67. Re8) 66... Ne3 67. Bb1 f4 68. Rb2 Nc4 69. Rb4 Rh3 70. Kf2 Rh1 71. Bd3 Rc1 72. Be2 Kc6 73. Bh5 Nd6 74. Be2 $2 (74. Rb3) 74... Rc3 {Black is clearly winning.} 75. Rb2 Ne4+ 76. Kg2 Rg3+ 77. Kf1 f3 78. Bb5+ Kc7 79. Rc2+ Kd8 80. Rc6 f2 {( -> ...Rg1+)} 81. Ke2 Rg1 82. Ke3 f1=Q 83. Bxf1 Rxf1 84. Rxb6 Kd7 85. a5 Nd6 86. Ra6 Ra1 {Precision: White = 41%, Black = 70%.} 0-1

[Event "Saint Louis Invitational A 2017"]
[Site "Saint Louis"]
[Date "2017.11.18"]
[Round "2"]
[White "Chirila, Ioan-Cristian"]
[Black "Shetty, Atulya"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "2557"]
[BlackElo "2403"]
[Annotator "TA"]
[PlyCount "117"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,117,-9,7,-4,0,-1,0,0,0,0,0,0,0,0,0,0,0,-16,0,0,0,-49,37,37,53,52,55,0,0,-54,-53,-94,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,443,93,93,93,93,93,93,93,93,93,93,93,93,92,368,351,29947,2656,29951,29956,29950,29958,29969,29970,29968,29971,29971,29972,29972,29973,29973,29974,29974,29975,29975,29976,29976,29977,29979,29978,29978,29979,29979,29980]} 1. b3 d5 2. Bb2 Nf6 3. Nf3 c5 4. g3 Nc6 5. Bg2 e6 6. O-O Be7 7. e3 O-O 8. c4 b6 9. Nc3 Ba6 10. d3 Rc8 11. Qe2 {A14: Reti-Eröffnung} Qd7 {LiveBook: 20 Partien} 12. h3 Rfd8 13. Rad1 {[#] Die Stellung ist ausgeglichen.} d4 $146 ({Vorgänger:} 13... Qe8 14. Rfe1 h6 15. a3 Bb7 16. Qc2 Rd7 17. Ne2 Nh7 18. h4 Bf6 19. cxd5 Rxd5 {½-½ (48) Eljanov,P (2739)-Harikrishna,P (2752) Baku 2016}) 14. exd4 Nxd4 15. Nxd4 cxd4 16. Ne4 Nxe4 17. Bxe4 b5 18. Bc1 Bb7 19. Bf4 a5 20. Rfe1 Bb4 21. Qf3 Bc6 ({Lieber} 21... Ba6 $15 22. Qh5 f5) 22. Bxc6 $14 Qxc6 23. Qxc6 Rxc6 24. cxb5 (24. Re5 $14) 24... Rc5 $1 $11 25. b6 (25. Re2 $11) 25... Bxe1 $15 26. Rxe1 {[%mdl 4096] Endspiel Schwarz muss nun Te5 beachten. KTT-KTL} Rd7 (26... Rb5 $17) 27. Re5 $11 Rxe5 28. Bxe5 {KT-KL} Rb7 $1 {[%cal Rb7b6]} 29. Bc7 Kf8 30. Kg2 f5 31. f4 Ke7 32. Kf3 Kd7 33. Ke2 Rxc7 (33... Kc6 {is more complex.} 34. Kd2 Kc5 35. Kc2 Kb5 36. Kb2 Kc5) 34. bxc7 Kxc7 {KB-KB} 35. g4 Kd6 36. gxf5 exf5 37. h4 g6 $2 {[%mdl 8192] [#]} (37... Kc5 $11 {und Schwarz muss sich keine Sorgen machen.} 38. a3 h5) 38. a3 $2 (38. h5 $1 $18 {[%mdl 512] und der Rest ist Schweigen.}) 38... h5 $16 39. Kd2 Kc5 40. Kc2 Kb5 41. Kb1 Kc5 42. Kb2 Kb5 43. Ka2 Kc5 44. a4 $1 {[%cal Ba3a4,Ba4a5,Ba5a6][%mdl 32]} Kd6 $2 {[%mdl 8192] [#]} (44... Kb4 $16 {war nötig.} 45. Kb2 Kc5) 45. b4 $1 $18 {[%cal Rb4a5][%mdl 512]} axb4 $2 {[#]} (45... g5 $18 46. fxg5 f4) 46. a5 $1 Kc6 47. Kb3 {Weiß setzt Matt.} Kb5 {[#]} 48. a6 $1 {[%mdl 512]} Kxa6 49. Kxb4 g5 50. hxg5 {K3B-K3B} h4 51. g6 h3 52. g7 h2 53. g8=Q h1=Q {[#]} 54. Kc5 $1 Ka7 55. Qf7+ Kb8 56. Qe8+ Kc7 57. Qe7+ Kc8 58. Qe6+ Kb8 59. Qb6+ {Precision: Weiß = 81%, Schwarz = 46%.} 1-0

[Event "Saint Louis Invitational A 2017"]
[Site "Saint Louis"]
[Date "2017.11.18"]
[Round "2"]
[White "Sadorra, Julio Catalino"]
[Black "Burke, John M"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2554"]
[BlackElo "2502"]
[Annotator "TA"]
[PlyCount "180"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,180,8,-6,-13,-56,-30,-24,-21,-26,-37,-31,-51,-113,-94,-207,-198,-203,-198,-197,-194,-194,-202,-198,-228,-227,-216,-206,-200,-379,-381,-375,-241,-239,-220,-286,-303,-403,-247,-229,-221,-210,-89,-96,-85,-93,-87,-77,-83,-112,-116,-103,-120,-110,-113,-147,-156,-156,-159,-140,-100,-102,-100,-109,-100,-93,-93,-92,-89,-242,-156,-139,-146,-139,-138,-128,-106,-106,-106,-106,-107,-131,-131,-219,-198,-449,-443,-474,-129,-138,0,-31,0,-138,-125,-125,-125,-138,-138,-233,-126,-126,0,-520,-520,-513,-504,-500,-481,-335,-237,-222,-215,-201,-198,-190,-138,-138,-138,-138,-138,-138,-138,-138,-138,-138,-138,-138,-138,-138,-138,-5119,0,-138,0,-138,-138,-138,-138,-138,-138,-138,-44,-138,-138,-138,0,-138,-138,-138,-138,-138,-138,-138,-138,-138,-138,-138,-138,-138,-28,-36,-24,-24,-24,-24,-24,-24,0,-24,0]} 1. Nf3 d5 2. c4 e6 3. e3 Nf6 4. Nc3 Be7 5. b3 O-O 6. Bb2 b6 7. Qc2 {LiveBook: 4 Partien. A13: Reti-Eröffnung} (7. cxd5 exd5 8. d4 Bb7 9. Bd3 a6 10. O-O Nbd7 11. Ne5 Bd6 12. Ne2 Re8 13. f4 Ne4 14. Ng3 Nf8 15. Nxe4 dxe4 16. Bc4 Re7 17. Qh5 g6 18. Qh6 Bxe5 19. dxe5 b5 20. Rad1 Qe8 {1-0 (43) Nakamura,H (2780)-Topalov,V (2749) Saint Louis 2017}) 7... c5 8. Ng5 $146 ({Vorgänger:} 8. d4 cxd4 9. Nxd4 Bb7 10. O-O-O Qc8 11. f3 Na6 12. a3 Rd8 13. Kb1 Nc5 14. g4 dxc4 15. Bxc4 {1-0 (42) Bobanac,M (2279)-Pasalic,A (2007) Bosnjaci 2017}) 8... g6 (8... Nc6 {keeps more tension.} 9. Nxd5 exd5 10. Bxf6 g6 11. Bxe7 Qxe7 12. Nf3 Bf5) 9. h4 $1 d4 10. h5 $1 Nc6 11. hxg6 hxg6 12. Rh6 ({Lieber} 12. Nce4 $15) 12... Ne5 $1 $36 {[%mdl 2048] Schwarz hat starke Initiative.} (12... dxc3 $6 13. Rxg6+ fxg6 14. Qxg6+ Kh8 15. Bxc3 $11) 13. Nce4 (13. Rh3 $17) 13... Nfg4 $1 $19 {[%csl LRg5,LRh6]} 14. Rh3 Bxg5 15. Nxg5 Qxg5 16. f4 Qf6 17. Qe4 Bd7 18. exd4 Nc6 {[%cal Be5c6,Bc6b4,Bb4c2][%mdl 32]} 19. Be2 Qg7 $1 ({Und nicht} 19... Nxd4 20. Bxg4 Kg7 21. Bxd4 $14) 20. Qb1 $2 (20. Bxg4 f5 21. Bxf5 gxf5 22. Qd3) 20... Nf6 21. dxc5 bxc5 22. Qd3 Nb4 23. Qc3 {[#]} e5 $1 24. Rh4 (24. Qxe5 Bxh3) 24... Ne4 25. Qxe5 Qxe5 26. fxe5 Nc2+ (26... Bf5 $19 27. g4 g5) 27. Kd1 $17 Nxa1 28. Rxe4 Bf5 29. Rf4 {[#]} Nxb3 $1 30. axb3 Rab8 31. Rf3 Rb6 32. Ba3 Ra6 33. Bb2 Rb8 $1 34. Rc3 Rab6 $1 {[%cal Rb6b3]} 35. d3 a5 36. g4 Bd7 ({Doch nicht} 36... Rxb3 $6 37. Rxb3 Rxb3 38. Kc2 $11) 37. Ba3 Rxb3 38. Rxb3 Rxb3 39. Bxc5 {[%mdl 4096] Endspiel KTL-KL} Rb2 40. Bf3 $2 (40. d4 $17 {war die einzige Chance.}) 40... Ba4+ 41. Kc1 Rc2+ 42. Kb1 Rd2 ({Viel schwächer wäre} 42... Rc3 $6 43. Be2 $11) 43. Be4 Bb3 44. Ba3 a4 45. Bd6 Ra2 46. Bd5 Re2 47. d4 (47. g5 $17) 47... Kg7 48. g5 $2 (48. Bc6 {ist eine bessere Verteidigung.}) 48... Ra2 $1 $19 49. Bb4 Rf2 $2 (49... a3 $1 $19 50. Be7 Rb2+ 51. Ka1 Rd2 52. Bxa3 Ra2+ 53. Kb1 Rxa3) 50. Bc5 Bd1 ({Besser ist} 50... Kh7 $17) 51. Be7 Bb3 (51... Rd2 $15) 52. Bc5 $1 $17 Ba2+ 53. Kc1 Re2 54. Be7 Bb3 55. Bc5 {[#]} (55. Kb1 $17) 55... Rc2+ (55... Ra2 $1 $19 56. Bc6 Bxc4) 56. Kb1 Ra2 (56... Rh2 $17 57. Bc6 Bxc4 58. Bxa4 Rg2) 57. Be7 $2 {[%mdl 8192]} (57. Bb4 $11 {und Weiss steht sicher.}) 57... a3 $19 58. Bxa3 Rxa3 59. Kb2 {[#]} Bxc4 $1 60. Bxc4 {KT-KL} Rg3 61. Kc2 Kf8 62. Kd2 Ke7 63. d5 {[%cal Bd4d5,Bd5d6,Bd6d7][%mdl 32]} Rxg5 (63... Rg2+ $19 64. Kd3 Rxg5 65. d6+ Ke8) 64. d6+ $17 Ke8 65. e6 fxe6 66. Bxe6 Re5 67. d7+ Ke7 68. Bh3 Re4 69. Kd3 Re1 70. Kd2 Re5 {Droht stark ...Tg5.} 71. Kd3 $2 {[%mdl 8192] [#]} (71. Bg4 $17) 71... Re1 $2 (71... Rh5 $1 $19 {[%cal Rh5h3] bietet bessere Gewinnchancen.} 72. Bg4 Rg5) 72. Kd2 $1 {[%cal Rd2e1]} Re4 73. Kd3 $1 {[%cal Rd3e4]} Rf4 74. Ke3 g5 75. Be6 Rf8 76. Bg4 Kd6 (76... Rf6 $17 77. Bh3 Rf4) 77. Ke4 (77. Bf5 $1 $15 Ke7 78. Ke4) 77... Rf4+ 78. Ke3 Ke7 79. Be6 $1 Rh4 {Und weiter mit ...Kd8 wäre nett.} 80. Bf5 Rh1 81. Bg4 Re1+ 82. Kf2 Re4 83. Kf3 Rd4 84. Kg3 Rd3+ 85. Kf2 Kf6 (85... Rc3 $17 {...Kd8 ist eine echte Drohung.} 86. Be6 Ra3) 86. Ke2 Rd4 {zielt auf ...Ke7 ab.} 87. Ke3 Ke5 {Droht ...Td5 und aus.} 88. Bh3 Rd6 {Und ...Td5 würde nun gewinnen.} 89. Bg4 Rd4 {Weiss muss nun ...Td6 beachten.} 90. Bh3 Rd6 {Precision: Weiß = 54%, Schwarz = 57%.} 1/2-1/2

[Event "Saint Louis Invitational A 2017"]
[Site "Saint Louis"]
[Date "2017.11.18"]
[Round "2"]
[White "Ashwin, Jayaram"]
[Black "Hambleton, Aman"]
[Result "1-0"]
[ECO "A63"]
[WhiteElo "2474"]
[BlackElo "2484"]
[Annotator "TA"]
[PlyCount "113"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,113,0,13,0,0,0,0,-22,0,0,0,0,-19,-29,-29,-39,0,0,0,-54,-48,-39,-40,-69,0,0,0,0,11,7,78,57,52,23,56,52,44,0,0,0,0,-40,0,0,0,0,26,25,35,0,4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,98,115,625,595,1185,1184,1073,1062,29982,29982,29983,29984,29984,29985,29985,29986,29990,29985,29985,29986,29986,29987,29986,29985]} 1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O Nbd7 10. Bf4 Qe7 11. h3 a6 12. a4 Nh5 {A63: Modern Benoni: Fianchetto Variation: 9...Nbd7} (12... Rb8 13. Qd3 Re8 14. Rfe1 Nh5 15. Bg5 Bf6 16. Bxf6 Nhxf6 17. e4 Nh5 18. Kh2 f6 19. Nd2 Ne5 20. Qe2 {0-1 (49) Sjugirov,S (2670)-Korobov,A (2708) Sochi 2015}) 13. Bg5 f6 $1 {[%cal Rf6g5] LiveBook: 29 Games} 14. Bc1 {[#] Threatens to win with g4.} f5 $1 {The position is equal.} 15. Ng5 $146 ({Predecessor:} 15. e4 f4 16. g4 Nhf6 17. Ne2 Ne5 18. Nxe5 dxe5 19. Nc3 h5 20. f3 hxg4 21. hxg4 {½-½ (63) Noble,M (2414)-Daurelle,H (2362) LSS email 2009}) 15... f4 16. Ne6 {Hoping for g4.} fxg3 17. Nxf8 gxf2+ 18. Rxf2 Nxf8 19. Ra3 Bd4 20. e3 Be5 {[%mdl 1024] Black has compensation.} 21. Ne2 Nd7 22. Rf1 (22. e4 $11) 22... Ndf6 $15 23. e4 Bd7 24. Raf3 Rf8 (24... b5 $15) 25. Bh6 $36 {[%mdl 2048] Black is under pressure.} Rf7 26. b3 Be8 27. Qc2 Nd7 (27... b5 $11 {remains equal.}) 28. Rxf7 $16 Bxf7 29. Bd2 b5 30. axb5 axb5 31. Bc3 (31. b4 {is interesting.} Be8 32. Qa2 cxb4 33. Bxb4 Nb6 34. Bd2) 31... b4 32. Bxe5 Nxe5 33. Nc1 Qg5 34. Qf2 {And now Nd3! would win.} Qe7 35. Qe3 Nf6 36. Nd3 Nfd7 37. Nf4 Kg7 38. Qg3 g5 39. h4 g4 40. h5 h6 41. Qf2 Kh7 42. Ra1 Qg5 {White must now prevent ...Nf3+.} 43. Ne6 Qxh5 44. Ra6 c4 $1 45. bxc4 b3 (45... Nf3+ $11 {keeps the balance.} 46. Kf1 (46. Bxf3 gxf3 47. Qg3 Bxe6 $11) 46... Nde5) 46. Rxd6 b2 $2 {[%mdl 8192]} (46... g3 $16 47. Qxg3 Bxe6 48. dxe6 b2) 47. Qxb2 $18 g3 {[#] intending ...Qd1+.} 48. Rxd7 $1 Qd1+ (48... Nxd7 49. Qg7#) 49. Bf1 Nf3+ 50. Kg2 {[%csl Ge6][%cal Rb2g7] White mates.} Ne1+ 51. Kxg3 {[%csl Ge6][%cal Rb2g7]} Qf3+ 52. Kh2 {[%csl Ge6][%cal Rb2g7]} Qh5+ 53. Bh3 {[%csl Ge6][%cal Rb2g7]} Nf3+ 54. Kg3 {[%csl Ge6][%cal Rb2g7]} Qh4+ 55. Kxf3 {[%csl Ge6][%cal Rb2g7]} Qxh3+ 56. Kf4 {[%csl Ge6][%cal Rb2g7]} Qh4+ 57. Ke3 {Precision: White = 70%, Black = 44%.} 1-0

[Event "Saint Louis Invitational A 2017"]
[Site "Saint Louis"]
[Date "2017.11.18"]
[Round "2"]
[White "Sturt, Raven"]
[Black "Gurevich, Daniel"]
[Result "0-1"]
[ECO "D20"]
[WhiteElo "2449"]
[BlackElo "2471"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,94,24,30,37,34,20,26,-5,81,49,91,49,45,45,58,-7,42,54,59,51,147,136,191,130,188,201,185,43,54,43,56,0,0,7,0,0,0,-77,-78,-87,-79,-79,-75,-70,-45,-34,14,5,15,-18,45,-897,-853,-863,-751,-708,-661,-603,-595,-581,-466,-481,-457,-735,-645,-917,-927,-656,-653,-29994,-29995]} 1. d4 d5 2. c4 dxc4 3. e4 Nf6 4. e5 Nd5 5. Bxc4 Nc6 6. Ne2 Nb6 7. Bb3 Bf5 8. Nbc3 e6 9. O-O Qd7 10. Be3 O-O-O 11. a3 f6 {D20: Queen's Gambit Accepted: 3 e3 and 3 e4} 12. exf6 gxf6 13. Ng3 Bg6 {LiveBook: 4 Games. White has an edge.} 14. Qf3 Be7 {[#]} 15. Rfd1 $146 ({Predecessor:} 15. Rad1 Na5 16. Ba2 Bc2 17. Rc1 Bb3 18. Bb1 f5 19. d5 Bxd5 20. Nxd5 Qxd5 {1-0 (46) Shabalov,A (2585)-Kaidanov,G (2577) Saint Louis 2010}) 15... Na5 16. Ba2 {[#] Hoping for d5.} Nac4 (16... Bc2 $1 $11) 17. d5 e5 18. Bxb6 Nxb6 19. a4 a5 (19... Nxa4 $2 20. Nxa4 Kb8 {[#]} 21. d6 $1 $18 {[%mdl 512]}) 20. Bb1 ({White should play} 20. Bb3 $14) 20... Rhg8 21. Bf5 Bxf5 22. Nxf5 Rg5 (22... Bb4 $14) 23. Nxe7+ $16 Qxe7 24. Ne4 ({Better is} 24. Nb5 $18) 24... Rg6 (24... Rgg8 $16) 25. d6 $1 $18 {[%cal Rd6e7]} cxd6 26. Qc3+ (26. Qb3 $6 Na8 $16) (26. Qe3 $18 f5 27. Qxb6 fxe4 28. Qa7 (28. Qxa5 Kb8 $11)) 26... Kb8 $14 27. Qxa5 f5 $1 28. Ng3 d5 $1 29. Nxf5 Qg5 $1 {[%csl Gg6][%cal Rg5g2]} 30. Ng3 h5 $1 {[%cal Rh5h4] aiming for ...h4.} 31. Qb5 (31. Qd2 $11) 31... h4 $17 32. a5 hxg3 33. hxg3 Nc8 34. Rxd5 Rxd5 (34... Nd6 $5 {[%cal Rd6b5]} 35. Qb6 Rc8 $15) 35. Qxd5 Rh6 {And now ...Qh5 would win.} 36. Re1 Rh5 37. Qe6 (37. a6 $5 {[%cal Rd5b7]} Qe7 38. g4 $11) 37... Qg7 (37... Qd2 $11 38. Rf1 e4) 38. Rc1 $2 {[%mdl 8192]} (38. g4 $14 Rh4 39. f3 (39. Rxe5 Rxg4 40. g3 Rg6 $15) (39. Qxe5+ Qxe5 40. Rxe5 Rxg4 $15)) 38... Qh8 $19 {[%csl Gh8][%cal Rh5h1]} 39. Rxc8+ Qxc8 {[%cal Rc8c1]} 40. Qd6+ Ka8 {( -> ...Qc1+)} 41. Qd2 Qh8 {[%csl Gh8][%cal Rh5h1]} 42. f3 Rh1+ 43. Kf2 Qc8 44. g4 (44. Qc3 $142 Qe6 45. Qb4) 44... Qc5+ 45. Kg3 Qd4 46. Qg5 Ka7 47. b4 Qc3 {Precision: White = 38%, Black = 52%.} 0-1

[Event "Saint Louis Invitational A 2017"]
[Site "Saint Louis"]
[Date "2017.11.18"]
[Round "2"]
[White "Bartholomew, John"]
[Black "Zierk, Steven"]
[Result "1/2-1/2"]
[ECO "D10"]
[WhiteElo "2442"]
[BlackElo "2493"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,75,2,22,7,23,21,43,23,33,0,0,0,5,7,33,39,30,37,33,41,83,40,37,32,37,35,24,27,34,22,51,35,27,31,28,18,64,27,69,70,70,72,68,64,64,64,64,64,65,65,65,72,65,65,81,48,76,35]} 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bf4 Nc6 5. e3 Nf6 6. Nc3 Bf5 7. Qb3 Na5 8. Qa4+ {D10: Slav Defence: 3 cxd5 (without early Nf3) and 3 Nc3} Bd7 9. Qd1 (9. Qc2 e6 10. Bd3 Be7 11. Nf3 Nc6 12. a3 Nh5 13. Be5 f6 14. Bf4 Nxf4 15. exf4 g6 {½-½ (80) Rapport,R (2675)-Najer,E (2707) Tbilisi 2017}) 9... e6 10. Nf3 Be7 {LiveBook: 3 Games} 11. h3 $146 ({Predecessor:} 11. Ne5 O-O 12. Bd3 Rc8 13. Qe2 Be8 14. O-O Nd7 {½-½ (32) Xu,X (2549)-Kollars,D (2498) Hoogeveen 2017}) 11... a6 12. Bd3 b5 13. O-O O-O 14. Qe2 b4 15. Nb1 {[%cal Bc3b1,Bb1d2,Bd2b3,Bb3c5][%mdl 32]} Bb5 16. Rc1 Bd6 17. Bxd6 Qxd6 18. Nbd2 Bxd3 19. Qxd3 Rfc8 20. Ne5 Ne8 21. Nb3 Nc6 22. Nxc6 Rxc6 23. Rc5 Rxc5 24. Nxc5 Qb6 25. a3 bxa3 26. Qxa3 Nd6 27. b3 {[%cal Bb2b3,Bb3b4][%mdl 32]} Ne4 28. b4 h5 29. Qa5 Qxa5 $1 30. Rxa5 {Black must now prevent b5.} Nxc5 31. dxc5 $14 {[%mdl 4096] Endgame KR-KR} ({Much weaker is} 31. Rxc5 Rb8 $11) 31... Rb8 $1 32. Ra4 $1 Kf8 33. Kf1 ({Reject} 33. Rxa6 $6 Rxb4 34. c6 Rc4 $11) 33... Ke7 34. Ke2 ({Much worse is} 34. Rxa6 Rxb4 35. Ra7+ Kf6 $11) 34... Kd8 35. Kd3 Kc7 36. Kc3 Kb7 37. Ra2 e5 38. h4 {Precision: White = 54%, Black = 50%.} 1/2-1/2

[Event "Saint Louis Invitational A 2017"]
[Site "Saint Louis"]
[Date "2017.11.19"]
[Round "3"]
[White "Burke, John M"]
[Black "Bartholomew, John"]
[Result "1/2-1/2"]
[ECO "B67"]
[WhiteElo "2502"]
[BlackElo "2442"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 28,77,66,58,61,58,58,79,39,53,83,83,115,81,101,105,138,135,216,209,310,308,297,261,249,275,244,92,84,46,25,19,275,260,292,291,283,275,247,65,66,66,67,67,67,67,58,8,8,8,10,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 b5 10. Bxf6 gxf6 11. Kb1 Qb6 12. Nxc6 Bxc6 13. f5 h5 {B67: Sizilianisch (Richter/Rauser-Angriff)} (13... b4 14. Ne2 e5 15. Ng3 Qc5 16. Nh5 Ke7 17. Bd3 Rg8 18. h4 Rd8 19. Qe2 Bh6 20. Rhe1 a5 21. g4 {0-1 (42) Saric,I (2609)-Kozul,Z (2631) Valpovo 2017}) 14. fxe6 fxe6 15. Bd3 {LiveBook: 7 Partien} Bh6 {Weiß steht etwas besser.} 16. Qe1 O-O-O 17. Rf1 Rhf8 18. Ne2 $146 ({Vorgänger:} 18. Qh4 Qc5 19. Ne2 {½-½ (38) Savicevic,V (2325)-Nevednichy,V (2528) Mataruska Banja 2007}) 18... Qc5 19. Nf4 Rfe8 20. Qh4 Qe5 21. Nxh5 Rh8 22. g4 $1 {[%cal Bg2g4,Bg4h5][%mdl 32]} Bg7 (22... Kb7 $16) 23. Qf2 $18 Rxh5 (23... Rd7 $142 24. Qb6 (24. Nxg7 Rxg7 25. Qb6 Bb7 $16) 24... Qc5 25. Qxa6+ Kb8) 24. gxh5 f5 {[%csl Gg7][%cal Re5b2]} 25. c4 {Und cxb5 würde nun gewinnen.} fxe4 26. cxb5 axb5 {[#]} 27. Rc1 $2 (27. Qc2 $1 $18 {[%cal Rc2c6] bietet bessere Gewinnchancen.} Kb8 28. h6 exd3 29. Qf2 (29. Rxd3 Bf6 $17)) 27... Kb7 $16 28. Qc2 Rc8 29. Be2 Kb6 $2 {[%mdl 8192] [#]} (29... Bh6 $1 $11 {und Schwarz muss sich keine Sorgen machen.}) 30. Qb3 $1 $18 e3 31. a4 Qe4+ 32. Rc2 {[%cal Re2b5]} Qxa4 33. Qxe3+ $2 (33. Qxa4 $18 {jetzt Txc6+! und aus.} bxa4 34. Rf4) 33... Bd4 $14 34. Qxe6 Bxb2 35. Kxb2 Qxc2+ $1 36. Kxc2 Bd7+ $1 37. Kb2 Bxe6 38. Rf6 Bc4 39. Bxc4 {Precision: Weiß = 58%, Schwarz = 51%.} 1/2-1/2

[Event "Saint Louis Invitational A 2017"]
[Site "Saint Louis"]
[Date "2017.11.19"]
[Round "3"]
[White "Zierk, Steven"]
[Black "Chirila, Ioan-Cristian"]
[Result "0-1"]
[ECO "B32"]
[WhiteElo "2493"]
[BlackElo "2557"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,70,45,48,23,38,34,34,9,29,-3,-8,-8,0,-8,-20,-7,-14,-37,-17,-40,-26,-33,-25,-25,-30,-51,-74,-77,-72,-77,-33,-31,49,31,29,8,50,-77,-75,-79,-79,-85,-85,-83,-85,-82,-81,-80,-75,-117,-103,-110,-51,-86,-79,-658,-650]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. g3 {[%cal Bg2g3,Bg3g4,Bg4g5][%mdl 32]} a6 {B45: Sicilian Four Knights} 8. Bg2 d6 {LiveBook: 8 Games} 9. g4 $146 ({Predecessor:} 9. O-O Be7 10. a4 O-O 11. a5 Qc7 12. Be3 Nd7 13. Na4 Qb8 14. Qd2 Nce5 15. Qe2 Bd8 16. f4 Nc6 17. Qd2 b6 18. axb6 Nxb6 19. Nxb6 Bxb6 {1-0 (84) Perez,M (2385)-Rodriguez Vila,A (2483) Buenos Aires 2017}) 9... Be7 {White has an edge.} 10. g5 Nd7 11. Qe2 Qc7 12. Be3 b5 13. a3 Nce5 14. Nd2 Nb6 15. f4 Nec4 16. Bd4 O-O 17. Nxc4 Nxc4 18. b3 Ne5 19. Qd2 Bb7 20. Ne2 (20. fxe5 $2 dxe5 21. Be3 Rfd8 $17) 20... Ng6 {Strongly threatening ...e5.} 21. h4 e5 22. Be3 exf4 23. Nxf4 Ne5 ({Better is} 23... Nxf4 $15 24. Bxf4 Qc5) 24. Nd5 Bxd5 $1 25. exd5 Rac8 26. Rc1 (26. O-O-O $14) 26... f6 $36 {[%mdl 2048] Black has strong initiative.} 27. O-O fxg5 28. Rxf8+ Rxf8 29. hxg5 Qc8 30. Rf1 Rxf1+ 31. Kxf1 Qf5+ 32. Kg1 Qg4 {[#] ...Nf3+ is the strong threat.} 33. Kf1 Bd8 (33... g6 $17) 34. Bf4 Qf5 35. Qe3 $2 {[%mdl 8192]} (35. Ke1 $17) 35... Bxg5 {Precision: White = 43%, Black = 71%.} 0-1

[Event "Saint Louis Invitational A 2017"]
[Site "Saint Louis"]
[Date "2017.11.19"]
[Round "3"]
[White "Hambleton, Aman"]
[Black "Sturt, Raven"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2484"]
[BlackElo "2449"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,95,6,13,9,15,6,2,2,8,14,10,8,18,8,47,45,97,58,62,52,106,110,102,104,91,102,102,97,104,99,104,107,193,172,343,211,190,160,160,162,248,234,317,334,383,370,358,347,462,329,561,322,530,416,402,337,418,327,322,297,304,290,1179,1174,12441,1287,1343,1280,1163,1089,29993,7296,6291,6291,5389,5314,3287,2306,7304,5406,29976,29976,29975,29976]} 1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Nf3 Bd6 5. Nbd2 O-O 6. c3 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} b6 7. Bd3 Bb7 {LiveBook: 3 Games} 8. O-O {The position is equal.} (8. a4 c5 9. a5 Qc7 10. Bxd6 Qxd6 11. Ne5 c4 12. Bc2 b5 13. f4 Nbd7 {1-0 (28) Artemiev,V (2692)-Radjabov,T (2742) Tbilisi 2017}) 8... c5 9. Bxd6 Qxd6 10. Ne5 Ba6 11. Bxa6 Nxa6 12. f4 Nb8 13. Rf3 Nfd7 $146 14. Rh3 g6 ({Better is} 14... cxd4 $14 15. cxd4 (15. exd4 Nc6 $11) 15... Qb4) 15. Qg4 {And now Qh4 would win.} Qe7 $1 16. Ndf3 Nxe5 (16... f5 $1 $14 17. Qg3 Nxe5 18. dxe5 (18. Nxe5 Qg7 $11) 18... Nd7) 17. dxe5 $40 {[%mdl 128] White attacks with force.} ({Much weaker is} 17. Nxe5 $6 Nd7 $11) 17... Nd7 18. Ng5 h5 19. Qg3 f5 20. e4 fxe4 {[#]} 21. Nxe4 $1 {[%mdl 512]} Qg7 (21... dxe4 22. Qxg6+) 22. Nd6 Qh6 (22... c4 $16) 23. Rf1 $18 Kh7 $2 (23... Rad8 {is a better defense.} 24. f5 Qg7) 24. Qe3 c4 25. Rg3 Nc5 26. Rg5 Nd3 (26... Rf5 $142 27. Nxf5 exf5) 27. b3 Rad8 28. h4 ({Less strong is} 28. bxc4 dxc4 29. g3 (29. Nxc4 Nxf4 30. h4 Nd5 $15) 29... Nc5 $16) 28... Nc5 29. bxc4 dxc4 30. Qe2 Rd7 31. Qxc4 Rfd8 $2 (31... Rg7 32. g3 Kh8) 32. Rf3 Rg8 $2 (32... Rf8 33. Qb5 Re7) 33. Qe2 Rdg7 34. c4 Rf8 35. Qe3 Kh8 36. Rfg3 Kh7 37. Kh2 Rd8 $2 {[#]} (37... Rgg8 38. a4 Rg7) 38. f5 $1 {[%mdl 512]} Rdg8 (38... exf5 39. Nxf5) 39. f6 (39. fxg6+ $142 Rxg6 40. Nf7 Rxg5 41. Rxg5 Rxg5 42. Nxh6) 39... Rd7 40. f7 Rf8 41. Qf3 Nb7 42. Rxg6 (42. Qf6 $142 Rfxf7 43. Nxf7 Qg7 {[#]} 44. Rxh5+ $1 {[%mdl 512]} Kg8 45. Rh8+ Qxh8 46. Qxh8+ Kxf7 47. Rf3+ Ke7 48. Qf8#) 42... Qxg6 43. Rxg6 Kxg6 44. Nxb7 Rfxf7 45. Qe4+ Kh6 46. Nd6 Rg7 47. Qe3+ Kh7 48. Ne8 {Precision: White = 76%, Black = 24%.} 1-0

[Event "Saint Louis Invitational A 2017"]
[Site "Saint Louis"]
[Date "2017.11.19"]
[Round "3"]
[White "Gurevich, Daniel"]
[Black "Sadorra, Julio Catalino"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2471"]
[BlackElo "2554"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,74,35,37,47,47,47,47,54,57,55,57,62,62,64,64,79,79,77,41,41,35,35,35,35,37,43,55,60,35,35,35,35,0,35,23,35,35,35,35,35,35,35,35,35,35,42,18,18,18,35,35,35]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O c5 5. c4 Nc6 6. cxd5 exd5 7. d4 Be7 8. dxc5 Bxc5 9. a3 O-O 10. b4 Bb6 11. Bb2 Ne4 12. Nc3 {D30: Queen's Gambit Declined: Systems without Nc3} Nxc3 13. Bxc3 {LiveBook: 3 Games} Bg4 14. e3 {[#]} d4 $146 ({Predecessor:} 14... a6 15. Ra2 Qd7 16. Rd2 Rad8 17. Qb3 Rfe8 18. Rfd1 Ne7 19. Bd4 Nc8 {½-½ (54) Rodshtein,M (2641)-Vazquez Igarza,R (2571) Benasque 2013}) 15. exd4 Nxd4 16. Bxd4 Bxf3 $1 17. Qxf3 Bxd4 18. Rad1 {[#] Qg4 is the strong threat.} Qb6 19. Qxb7 Rad8 20. Qxb6 axb6 21. Rfe1 Bb2 22. a4 Bc3 23. Rxd8 Rxd8 $14 {[%mdl 4096] Endgame KRB-KRB} 24. Re4 g6 25. Bf1 Rd1 26. Kg2 Kg7 27. Rc4 Be1 $1 28. Re4 Bc3 29. Bc4 (29. f4 {is interesting.} Rd2+ 30. Kh3 Rb2 31. b5 f5 32. Re7+) 29... Re1 30. Rxe1 Bxe1 {KB-KB} 31. b5 f5 32. f4 Kf6 33. Kf3 Bb4 34. h3 h5 35. g4 hxg4+ 36. hxg4 fxg4+ 37. Kxg4 Bd6 {Precision: White = 59%, Black = 69%.} 1/2-1/2

[Event "Saint Louis Invitational A 2017"]
[Site "Saint Louis"]
[Date "2017.11.19"]
[Round "3"]
[White "Shetty, Atulya"]
[Black "Ashwin, Jayaram"]
[Result "0-1"]
[ECO "A20"]
[WhiteElo "2403"]
[BlackElo "2474"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,104,7,-12,55,33,51,21,16,23,37,32,23,6,9,-29,-42,-33,-26,-22,-17,-17,-10,-6,-27,-14,-18,-91,-85,-120,-126,-125,-118,-132,-112,-118,-125,-120,-126,-122,-127,-115,-107,-107,-88,-88,-88,-88,-88,-84,-78,-96,-85,-124,-122,-106,-110,-149,-95,-256,-265,-260,-254,-265,-258,-270,-221,-224,-214,-214,-218,-228,-229,-229,-234,-363,-361,-348,-364,-358,-339,-366,-354,-411,-397,-396,-386,-518,-510,-583,-554,-1793,-1545]} 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. d4 e4 5. Nc3 d5 6. Bg5 {A20: English Opening: 1...e5} (6. cxd5 cxd5 7. Nh3 Bb4 8. O-O Bxc3 9. bxc3 O-O 10. f3 exf3 11. Rxf3 h6 12. Qf1 Nbd7 {½-½ (50) Aronian,L (2785)-Anand,V (2779) Doha 2016}) 6... Nbd7 7. cxd5 cxd5 8. f3 {[%cal Rf3e4] LiveBook: 8 Games. The position is equal.} Qa5 $146 (8... Bb4 $11) ({Predecessor:} 8... h6 9. Be3 Bb4 10. Qb3 Qe7 11. Kf2 Bxc3 12. Qxc3 O-O {1-0 (44) Kovalenko,I (2680)-Efanov,N (2399) Minsk 2015}) 9. Bd2 {[%cal Rf3e4]} exf3 10. Bxf3 (10. exf3 {feels hotter.} Qb6 11. Nge2 Bd6 12. O-O O-O 13. Bf4) 10... Bb4 $1 11. Nh3 {[%cal Bg1h3,Bh3f4,Bf4d3,Bd3e5][%mdl 32]} O-O 12. Nf4 {[%cal Rc3d5]} Nb6 {[%cal Bd7b6,Bb6c4,Bc4d2][%mdl 32]} 13. Nd3 Bg4 14. Nb1 Bxd2+ 15. Qxd2 Qa4 16. Ne5 Nc4 17. b3 Bxf3 18. bxa4 Nxd2 19. exf3 Nc4 $36 {[%mdl 2048] Black has good play.} 20. Nd2 (20. Nxc4 $11 dxc4 21. Nc3) 20... Rac8 $17 21. Rb1 Na3 22. Rd1 Nc2+ 23. Kf2 Nxd4 24. Rc1 Rfe8 {White must now prevent ...Rxc1.} 25. Rxc8 Rxc8 26. Rb1 Rc7 27. Ke3 Ne6 28. Nb3 {[#]} d4+ $1 {[%mdl 512]} 29. Kd2 (29. Nxd4 Nd5+) 29... Nd5 30. Rc1 Rxc1 31. Nxc1 {[%mdl 4096] Endgame KNN-KNN} Kf8 32. Kd3 f6 33. Nc4 Nb4+ 34. Ke4 Ke7 35. a3 Nc6 ({Black should try} 35... Na6 36. Nb3 Ng5+ 37. Kd3 Nxf3) 36. Nb3 $2 (36. f4 $17) 36... Ng5+ $19 37. Kd5 Nxf3 38. h4 d3 39. Ke4 Nfe5 40. Nb2 Kd6 41. Nc1 d2 42. Nb3 {[#]} d1=Q $1 43. Nxd1 Nc4 44. Nd4 (44. g4 {is a better defense.}) 44... Nd2+ ({Not} 44... Nxa3 45. Nf5+ Kc5 46. Nxg7 $17) 45. Kd3 {Threatens to win with Nxc6.} Nxd4 46. Kxd4 {KN-KN} Nf1 47. g4 Nh2 48. Ne3 Nf3+ 49. Ke4 Nxh4 50. Nc4+ Kc5 {Black is clearly winning.} 51. Na5 b6 52. Nb7+ Kc6 {Precision: White = 43%, Black = 83%.} 0-1

[Event "Saint Louis Invitational A 2017"]
[Site "Saint Louis"]
[Date "2017.11.19"]
[Round "4"]
[White "Chirila, Ioan-Cristian"]
[Black "Burke, John M"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2557"]
[BlackElo "2502"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,100,-11,-8,-77,-50,-47,-58,-63,-60,-85,-50,-61,-23,-70,-54,-56,-41,-46,-33,-40,-33,-73,-54,-55,-55,-58,-49,-67,-50,-68,-67,-64,-56,-89,-94,-93,-75,-95,-89,-87,0,0,0,0,0,-34,-12,-24,-19,-42,-33,-40,-17,-18,0,0,-5,-15,0,0,0,-14,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. Bf4 c5 3. e3 Nc6 4. Nf3 Nf6 5. c3 Qb6 6. Qc1 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} (6. Qb3 c4 7. Qc2 Bf5 8. Qc1 h6 9. h3 e6 10. Nbd2 Be7 11. Be2 Qd8 12. Ne5 Nxe5 13. Bxe5 O-O 14. O-O b5 15. Re1 Ne4 16. Bf3 Ng5 17. Bd1 {½-½ (36) Stupak,K (2573)-Gelfand,B (2729) Tbilisi 2017}) 6... Nh5 {LiveBook: 12 Games} 7. Bg5 (7. dxc5 $11 Qxc5 8. Bc7) 7... h6 8. Bh4 {Black is slightly better.} g5 9. Bg3 Bg7 10. Nbd2 Nxg3 11. hxg3 Bf5 $146 {[%cal Rc5d4]} ({Predecessor:} 11... cxd4 12. exd4 g4 13. Nh4 Nxd4 14. cxd4 Bxd4 {0-1 (38) Hribar,J (2000)-Hribersek,J (2305) ICCF email 1999}) 12. Be2 O-O 13. O-O Rac8 {[%cal Rc5d4]} 14. Nb3 c4 15. Nbd2 Qc7 16. Nh2 e5 17. dxe5 Nxe5 18. Ndf3 Nd3 19. Qd2 Qb6 20. Bxd3 Bxd3 21. Rfd1 Rfe8 22. Nd4 Bxd4 23. cxd4 a5 24. Nf3 Qb4 25. Qc1 Be2 (25... f6 $17) 26. Re1 $11 Bxf3 27. gxf3 b5 28. a4 Rb8 29. axb5 Rxb5 30. Re2 Qd6 31. Qd2 Qb6 32. Kg2 {The position is equal.} Rb8 33. Ra2 Kg7 34. e4 Qf6 35. Re3 Qb6 36. Re2 Qf6 37. Re3 {[%cal Be2e3,Be3a3,Ba3a5][%mdl 32]} Qb6 {[%cal Rb5b2]} (37... Qd6 {seems wilder.} 38. Rea3 Rb3 39. Rxb3 Rxb3 40. Rxa5 dxe4 41. fxe4 Rd3) 38. Rea3 {[%cal Ra3a5]} Rxb2 39. Rxb2 Qxb2 40. Qxb2 Rxb2 41. Rxa5 dxe4 42. fxe4 {[%mdl 4096] Endgame KR-KR} Rd2 43. d5 Kf6 44. d6 Ke6 45. Rc5 Rd4 46. e5 g4 47. f4 gxf3+ 48. Kxf3 f6 49. exf6 Kxf6 50. Ke3 Rxd6 {Precision: White = 73%, Black = 54%.} 1/2-1/2

[Event "Saint Louis Invitational A 2017"]
[Site "Saint Louis"]
[Date "2017.11.19"]
[Round "4"]
[White "Sadorra, Julio Catalino"]
[Black "Hambleton, Aman"]
[Result "1/2-1/2"]
[ECO "E32"]
[WhiteElo "2554"]
[BlackElo "2484"]
[Annotator "TA"]
[PlyCount "142"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,141,0,3,5,14,11,13,20,18,18,20,27,14,7,0,0,0,0,-6,0,0,0,0,0,0,0,0,0,0,0,-38,-21,-36,-22,-33,-29,-21,-31,-19,-31,-23,-29,-41,-37,-39,-29,-81,-29,-119,-118,-253,-243,-252,-240,-248,-162,-162,-162,-162,-162,-162,-162,-162,-162,-162,-162,-162,-162,-394,-394,-394,-394,-386,-208,-386,-208,-379,-208,-364,-181,-181,-181,-181,-181,-181,-23,-181,-181,-200,-181,-181,-85,-181,-85,-192,-199,-200,-200,-200,-200,-200,-200,-200,-199,-199,-164,-164,-164,-165,-93,-85,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. e4 d5 6. e5 Ne4 7. Bd3 c5 8. Nf3 {E32: Nimzo-Indian: Classical (4 Qc2): 4...0-0} cxd4 9. Nxd4 Nd7 10. Bf4 Ndc5 11. O-O Bxc3 12. bxc3 {LiveBook: 85 Games} Nxd3 13. Qxd3 b6 14. cxd5 Qxd5 15. Rfd1 Nc5 {[#]} 16. Qg3 $146 Qe4 17. Bg5 {Threatens to win with f3.} Bb7 18. Nf3 Qg6 19. Nh4 Qh5 $1 {Strongly threatening ...Ne4.} 20. Bf6 {[%csl Gf6][%cal Rg3g7]} Qh6 {White must now prevent ...Ne4.} 21. f3 $1 Rfe8 22. Bg5 Qh5 23. Bf6 $1 {[%csl Gf6][%cal Rg3g7]} Qh6 24. Qg4 g6 25. Bg5 Qf8 26. Bf6 b5 27. Rd4 Bd5 28. Qf4 Nd7 29. Nf5 $1 {[%cal Rf5h6]} exf5 30. Rxd5 Nxf6 31. exf6 Re6 32. Qd4 a6 33. Rd1 h5 34. Qh4 (34. h3 $11 {remains equal.}) 34... Rae8 (34... Qa3 $17 35. Qb4 Qxb4 36. cxb4 Rxf6) 35. Qg5 (35. h3 $1 $11 {keeps the balance.}) 35... Qa3 $17 36. R5d3 (36. h3 $17) 36... Qc5+ $19 ({Resist} 36... Qxa2 37. Rd8 $17) 37. Rd4 Qxc3 $40 {[%mdl 128] Black attacks with force.} ({Don't do} 37... Re1+ 38. Rxe1 Rxe1+ 39. Kf2 $17) 38. h4 Qe3+ 39. Qxe3 Rxe3 {[%mdl 4096] Endgame KRR-KRR} 40. a4 bxa4 $1 41. Kf2 R3e6 42. Rxa4 Rxf6 43. Rd7 Rc6 44. Kg3 Re2 45. Ra7 $2 (45. Rb4) 45... Rcc2 46. Rd4 Rxg2+ 47. Kf4 {intending Rd8+.} Rgd2 (47... Rc6 $142 48. Rdd7 Rf6 49. Ra8+ Kg7) 48. Rb4 $2 (48. Rxd2 {might work better.} Rxd2 49. Ra8+ Kg7 50. Rxa6) 48... Rb2 (48... Rc6 $142 49. Rbb7 Rf6 50. Ra8+ Kg7) 49. Rc4 $2 (49. Rxb2 {was called for.} Rxb2 50. Rxa6) 49... Rdc2 (49... Rb6 $142 50. Rcc7 Rf6) 50. Rd4 $2 (50. Rxc2 Rxc2 51. Ra8+ Kg7 52. Rxa6) 50... Rb8 (50... Rb6 $142 51. Rdd7 Rf6) 51. Rdd7 Rf8 $1 52. Rxa6 Kg7 $1 53. Kg5 Rg2+ 54. Kf4 Rg1 $1 55. Raa7 Rh1 56. Kg5 Rh3 (56... Re1 $19 {has better winning chances.} 57. Rac7 Rg1+ 58. Kf4 Ra1) 57. Ra6 (57. Rd3 $17) 57... Rg3+ ({And not} 57... Rxf3 58. Rxg6+ Kh8 59. Rf6 $11) 58. Kf4 {[#]} Rg2 $1 59. Raa7 Rb2 60. Ra6 Kh6 61. Ke5 Rb5+ 62. Kf4 Rb4+ 63. Kg3 f4+ 64. Kh3 {[#]} Rb3 $1 {[%cal Rb3f3]} 65. Kg2 Rb2+ (65... Rc8 $19 {( -> ...Rc2+)} 66. Ra2 f6) 66. Kh3 $17 Rf2 {[#]} (66... Rb4 $17 {Hoping for ...Rb3.} 67. Ra2 Kg7) 67. Rxg6+ $3 $11 {[%mdl 512] The position is equal.} Kxg6 (67... fxg6 $5 68. Rh7+ $8 Kxh7 $11) 68. Rd6+ $1 Kf5 69. Rd5+ Kf6 70. Rd6+ Ke5 71. Rd5+ Kxd5 $4 {[%mdl 8192] Precision: White = 56%, Black = 59%.} (71... Ke6 72. Re5+ Kd6 73. Rd5+ Ke6 74. Rd6+ Ke7 75. Re6+ fxe6) 1/2-1/2

[Event "Saint Louis Invitational A 2017"]
[Site "Saint Louis"]
[Date "2017.11.19"]
[Round "4"]
[White "Ashwin, Jayaram"]
[Black "Sturt, Raven"]
[Result "1/2-1/2"]
[ECO "D10"]
[WhiteElo "2474"]
[BlackElo "2449"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,58,18,59,56,95,53,60,28,36,33,45,2,5,0,0,-3,47,-3,18,-26,-12,-13,-11,-55,-52,-54,-56,-252,-246,-227,-179,-181,-181,-162,-153,-149,27,23,24,18,27,25,27,0,0,0,43,0,0]} 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bg5 (4. Bf4 Nc6 5. e3 Bf5 6. Nc3 e6 7. Qb3 Bb4 8. Bb5 Qa5 9. Bxc6+ bxc6 10. Rc1 Qb6 11. Nge2 Bd3 12. f3 Bc4 {0-1 (34) Rakhmanov,A (2654)-Fedoseev,V (2733) Sochi 2017}) 4... g6 5. Nc3 Bg7 6. e3 {D10: Slav Defence: 3 cxd5 (without early Nf3) and 3 Nc3} Nf6 {LiveBook: 3 Games} 7. Qb3 Ne4 $146 ({Predecessor:} 7... e6 8. Nf3 O-O 9. Bd3 Qa5 10. O-O Nc6 11. a3 a6 12. Rac1 Nd7 13. Bf4 f5 14. Na4 Qd8 15. Nc5 Nxc5 16. Rxc5 Rf7 17. Rfc1 {½-½ (65) Wrede,S (2149)-Kohl,H (2127) Baden 2011}) 8. Bb5+ {White is better.} Nc6 9. Nxe4 dxe4 10. Ne2 O-O 11. Nc3 h6 $36 {[%mdl 2048] Black has the initiative.} 12. Bh4 g5 13. Bg3 e5 (13... Be6 $5 {[%cal Re6b3]} 14. Qc2 f5 $11) 14. dxe5 ({Of course not} 14. Nxe4 Be6 $17) 14... Nxe5 15. O-O Be6 16. Qb4 Nd3 17. Bxd3 exd3 18. Rfd1 Qd7 19. Bd6 $2 ({Better is} 19. Ne4 $15) 19... a5 $19 20. Qa3 Rfd8 21. Rxd3 {[#]} b5 $1 {[%cal Rb5b4]} 22. Rad1 Qc6 {[%mdl 1024] Black has strong compensation.} 23. Nd5 {Strongly threatening Ne7+.} Kh8 $2 (23... Kh7 $17 {Hoping for ...b4.} 24. Ne7 Qc2) 24. Ne7 $1 $11 {[%cal Re7c6]} Qe4 25. f3 Qc4 26. b3 Qc2 27. R1d2 Qb1+ 28. Rd1 Qc2 29. R1d2 Qb1+ {Precision: White = 49%, Black = 50%.} 1/2-1/2

[Event "Saint Louis Invitational A 2017"]
[Site "Saint Louis"]
[Date "2017.11.19"]
[Round "4"]
[White "Bartholomew, John"]
[Black "Gurevich, Daniel"]
[Result "0-1"]
[ECO "D26"]
[WhiteElo "2442"]
[BlackElo "2471"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,95,6,25,14,39,25,18,12,27,23,18,20,27,-11,-10,-10,-9,-53,-39,-43,-16,-14,-28,-18,-31,-69,-69,-50,-46,-57,-64,-70,-21,-67,-60,-62,-66,-56,-66,-63,-85,-226,-204,-449,-431,-512,-476,-522,-384,-589,-608,-599,-543,-568,-557,-428,-463,-461,-461,-370,-321,-1540,-1495,-1094,-977,-2095,-1787,-1948,-1600,-1214]} 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O Nc6 7. a3 a6 8. dxc5 Qxd1 9. Rxd1 Bxc5 10. b4 Be7 11. Bb2 O-O 12. Nbd2 b5 13. Be2 Bb7 14. Nb3 {D27: Queen's Gambit Accepted: Classical main line: 7 e4!? and 7 a4} Rfd8 {[#] LiveBook: 5 Games} 15. Nfd2 $146 ({Predecessor:} 15. Rxd8+ Rxd8 16. Rc1 Nd7 17. Nfd2 Rc8 18. Bf3 f6 19. Ne4 Kf8 20. Nec5 Nxc5 21. Nxc5 Bxc5 22. Rxc5 {½-½ (33) Drozdovskij,Y (2620)-Anastasian,A (2566) Abu Dhabi 2009}) 15... Nd7 16. Bf3 {White is slightly better.} Rab8 17. Rac1 Nde5 18. Bxe5 Nxe5 19. Bxb7 Rxb7 20. Ne4 {aiming for Rxd8+.} Rxd1+ 21. Rxd1 Nc4 22. Nec5 Ra7 $1 23. g3 g5 24. Rd7 Rxd7 25. Nxd7 Nxa3 $11 {[%mdl 4096] Endgame KBN-KNN} 26. Ndc5 Nc2 27. Nxa6 Bd6 28. Nd4 Nxd4 29. exd4 $15 {KB-KN} g4 30. f4 Kf8 31. Kf2 Ke7 32. Nc5 Kd8 33. Ke3 Kc7 34. Ke4 (34. Ne4 $17) 34... Kc6 $19 35. Na6 $2 {[#]} (35. f5 exf5+ 36. Kxf5) 35... f5+ 36. Kd3 Kd5 37. Nc5 h5 38. Ke3 (38. Na6 {was called for.} h4 39. Ke3) 38... Be7 39. Kd3 Bf6 40. Na6 Bd8 41. Ke3 Kd6 42. Nc5 Bf6 43. Na6 h4 {[%cal Bh5h4,Bh4h3][%mdl 32]} 44. Kd3 $2 (44. gxh4 Bxh4 45. Ke2) 44... h3 {Black is clearly winning.} 45. Ke3 Kc6 46. Nc5 Kd5 47. Kd3 {[#]} Bh4 $1 {[%mdl 512]} 48. gxh4 {Precision: White = 33%, Black = 80%.} 0-1

[Event "Saint Louis Invitational A 2017"]
[Site "Saint Louis"]
[Date "2017.11.19"]
[Round "4"]
[White "Shetty, Atulya"]
[Black "Zierk, Steven"]
[Result "0-1"]
[ECO "D11"]
[WhiteElo "2403"]
[BlackElo "2493"]
[Annotator "TA"]
[PlyCount "142"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,142,0,0,0,0,0,0,0,-5,7,0,0,0,0,0,0,0,0,0,0,0,4,20,18,0,0,0,0,-16,-27,-10,0,0,-2,0,0,-39,-34,-34,-42,-44,-27,-31,0,-87,-88,-90,-79,-59,-95,-26,-57,-82,-46,-142,0,0,456,-28,-77,-171,-151,-176,-183,-569,-113,-432,-425,-362,-251,-334,-229,-210,-190,-197,-147,-123,-133,-160,-131,-157,-143,-150,-145,-174,-158,-143,-140,-249,0,0,0,-244,-231,-220,-158,-602,-560,-569,0,-510,-532,-502,-388,-347,-360,-369,-372,-887,-893,-1104,-1013,-1291,-805,-1567,-1529,-2159,-1867,-29983,-29947,-29984,-29985,-29985,-29986,-29986,-29986]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qc2 dxc4 5. e4 (5. Qxc4 Bf5 6. g3 e6 7. Bg2 Nbd7 8. O-O Nb6 9. Qb3 Qd5 10. Nbd2 Be7 11. e3 Qxb3 12. Nxb3 Be4 13. Ne5 Bxg2 14. Kxg2 Nfd7 15. Nd3 Nc4 16. Bd2 Nxd2 17. Nxd2 c5 18. dxc5 Nxc5 19. Nxc5 Bxc5 20. Rac1 Bb6 21. Nc4 {½-½ (21) Li,C (2744)-Sevian,S (2620) Tbilisi 2017}) 5... b5 6. b3 {D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4} cxb3 7. axb3 Bb7 8. Bd2 a5 9. Bd3 e6 10. O-O {LiveBook: 31 Games} h6 11. Rc1 Be7 12. Nc3 Na6 13. e5 $146 Nd7 14. Be2 b4 15. Ne4 O-O 16. Be3 Nc7 17. Qd2 f5 18. exf6 Nxf6 19. Qc2 Ncd5 20. Bd2 Ba6 21. Bxa6 Rxa6 22. Qd3 Qa8 23. Ne5 Nxe4 24. Qxe4 Bf6 25. Nd7 Rf7 26. Nc5 Raa7 27. Re1 Rfe7 28. Bf4 Nxf4 29. Qxf4 Qd8 30. Rad1 Qd5 31. Qg4 (31. Qb8+ $11 {remains equal.} Kh7 32. Nxe6) 31... Ra8 {[%cal Ba7a8,Ba8d8,Bd8e8][%mdl 32]} 32. Re3 {[%cal Rc5e6]} Rd8 33. Nxe6 Rde8 34. Rde1 (34. Nc7 $17 Rxe3 35. fxe3 Qxb3 36. Nxe8 Qxe3+ 37. Kf1 Qxe8 38. d5) 34... Qd6 $11 35. h4 Kf7 {[%cal Re7e6]} 36. Nf4 (36. Nc5 $1 $15) 36... Rxe3 (36... Bxd4 $17 37. Qh5+ Kg8 38. Rxe7 Rxe7 39. Rxe7 Qxe7) 37. Rxe3 ({Of course not} 37. fxe3 Bxd4 38. Kh1 Kg8 $17) 37... Bxd4 $2 {[%mdl 8192]} (37... Rxe3 $11 {and Black has nothing to worry.} 38. fxe3 Qe7) 38. Rxe8 $2 (38. Qf5+ $18 Qf6 39. Qd7+ Re7 40. Rxe7+ Qxe7 41. Qxd4) 38... Kxe8 39. Qc8+ (39. g3 $17) 39... Kf7 40. Qf5+ Bf6 $1 41. Ng6 $2 (41. Qh5+ Ke7 42. Qf3) 41... Qd1+ 42. Kh2 Qd5 $1 {[%cal Rd5f5]} 43. Qb1 Qd4 ({Less strong is} 43... Qh5 44. Nh8+ Kg8 45. Ng6 $17) 44. h5 Be5+ ({Don't take} 44... Qxf2 45. Qe4 $19) 45. Kh3 Qd7+ 46. g4 Qd5 {( -> ...Qf3+)} 47. Nxe5+ Qxe5 $17 {[%mdl 4096] Endgame KQ-KQ} 48. Qg6+ Ke7 $1 49. f3 Kd7 50. Qf7+ Kd6 51. Qf8+ Kc7 {White must now prevent ...Qf6.} 52. Qa8 Kb6 53. Qd8+ (53. Qf8 $17 {was called for.}) 53... Kb5 $2 ({Black should play} 53... Qc7 $19 54. Qg8 a4 $1 {[%mdl 512]} 55. bxa4 Qb7) 54. Qd3+ $11 Kc5 {aiming for ...Qc3.} 55. Qc4+ $2 {[#]} (55. Qd8 $1 $11) 55... Kb6 $1 $19 56. Qg8 c5 57. Qd8+ $2 (57. Qa8 $17) 57... Qc7 58. Qd5 {[#]} Qb7 $2 ({Better is} 58... a4 $1 $19 {[%mdl 512] ...a3 is the strong threat.} 59. bxa4 Qc6) 59. Qd6+ $2 {[%mdl 8192]} (59. Qd8+ $11 {and White stays safe.} Qc7 60. Qe8) 59... Qc6 60. Qd8+ Ka6 61. Qd3+ {[#]} c4 $1 {[%mdl 512]} 62. bxc4 a4 {[%cal Ba5a4,Ba4a3,Ba3a2][%mdl 32]} 63. g5 $2 (63. Kg3) 63... a3 64. Qb3 Ka5 65. Qe3 Qd7+ 66. Kg2 a2 67. Qe5+ Ka4 68. gxh6 gxh6 {Black mates.} 69. c5 Qd2+ 70. Kh3 Qc3 71. Qe8+ Ka3 {Precision: White = 39%, Black = 73%.} 0-1

[Event "Saint Louis Invitational A 2017"]
[Site "Saint Louis"]
[Date "2017.11.20"]
[Round "5"]
[White "Burke, John M"]
[Black "Shetty, Atulya"]
[Result "1/2-1/2"]
[ECO "C07"]
[WhiteElo "2502"]
[BlackElo "2403"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 31,104,29,37,1,0,13,35,0,0,0,8,0,39,38,29,1,0,0,39,39,39,39,39,39,50,0,0,0,0,0,0,0,0,0,0,-88,0,0,0,0,0,-7,-10,-128,-121,-223,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-31,-10,-88,0,0,0,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8]} 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 cxd4 5. exd5 Qxd5 6. Bc4 Qd6 7. O-O Nf6 8. Nb3 Nc6 9. Nbxd4 Nxd4 10. Nxd4 a6 11. Re1 Qc7 12. Qe2 Bd7 {C07: Französische Verteidigung (Tarrasch-Variante)} (12... Bd6 13. Bg5 O-O 14. Bxf6 gxf6 15. Bd3 f5 16. Qh5 Be5 17. c3 Kh8 18. Re3 Rg8 19. Rae1 Bxd4 20. cxd4 {½-½ (44) Sjugirov,S (2673)-Goganov,A (2632) Moscow 2017}) 13. Bg5 O-O-O 14. Rad1 Bb4 15. c3 Bd6 16. h3 Kb8 {LiveBook: 3 Partien} 17. Nf3 h6 $146 ({Vorgänger:} 17... Rc8 18. Bb3 Rhd8 19. Ne5 Be8 20. Bf4 {1-0 (47) Ankit,R (2506)-Miedema,D (2390) Iasi 2014}) 18. Bh4 Ka7 19. Bg3 Bxg3 20. fxg3 Bc6 21. Ne5 Be4 22. Rxd8 Rxd8 23. Nxf7 Qxf7 24. Qf2+ Ka8 {[#]} 25. Rxe4 $1 {[%mdl 512]} Qc7 (25... Nxe4 26. Qxf7) 26. Rh4 e5 $1 27. Bb3 e4 28. Bc2 Qe5 29. Qe3 $1 Qg5 30. Qb6 Re8 {Und ...Dc1+ würde nun gewinnen.} 31. Ba4 Rc8 32. Rf4 Qxg3 33. Rf2 (33. Rf1 $11) 33... Qe5 (33... e3 $17 34. Rf3 Qe1+ 35. Kh2 e2) 34. Re2 $11 h5 35. Qe3 h4 36. Bc2 {[%cal Rc2e4]} Re8 37. Rd2 {[#]} (37. Re1 $11 {hält das Gleichgewicht.}) 37... Nh5 $1 $17 38. Bxe4 (38. Rd1 $17) 38... Ng3 $2 ({Auf keinen Fall} 38... Qxe4 {[#]} 39. Rd8+ $1 {[%mdl 512]} Rxd8 40. Qxe4) (38... Kb8 $19 {Weiss muss nun ...Sf6 beachten.} 39. Rd7 Qxe4 40. Rd8+ Rxd8 41. Qxe4 Rd1+ 42. Kf2 Rf1+ 43. Ke3 Re1+ 44. Kf3 Rxe4 45. Kxe4 Nf6+ 46. Kf5 Nd5) 39. Rd8+ $1 $11 Rxd8 {[#]} 40. Bxb7+ $1 {[%mdl 512]} Kxb7 41. Qxe5 {[%mdl 4096] Endspiel KD-KTS} Rd1+ 42. Kf2 Rf1+ 43. Ke3 Re1+ 44. Kd4 Rxe5 45. Kxe5 {KS-KB} Kc6 46. a4 $1 g5 (46... Ne2 $17 {Und weiter mit ...Kc5 wäre nett.} 47. Ke4 Nc1) 47. b4 {Die Stellung ist ausgeglichen.} Ne2 {[#]} 48. b5+ $1 {[%mdl 512]} axb5 49. axb5+ Kxb5 50. Kf5 Nf4 51. Kxg5 Nxg2 52. Kg4 Kc4 {Precision: Weiß = 56%, Schwarz = 59%.} 1/2-1/2

[Event "Saint Louis Invitational A 2017"]
[Site "Saint Louis"]
[Date "2017.11.20"]
[Round "5"]
[White "Zierk, Steven"]
[Black "Ashwin, Jayaram"]
[Result "1-0"]
[ECO "B18"]
[WhiteElo "2493"]
[BlackElo "2474"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 31,95,-37,-6,-25,12,28,29,39,34,31,41,41,56,33,46,39,63,19,12,15,19,17,24,25,22,5,5,4,7,8,21,24,19,22,10,10,99,96,86,67,79,70,75,0,0,0,897,975,917,827,654,598,29971,6203,29976,29977,29977,29976,29983,29984,29985,29986,29986,29987,29998,29999]} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 {[%cal Bh2h4,Bh4h5][%mdl 32]} h6 7. Nf3 e6 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 Nf6 11. Bd2 Be7 12. O-O-O O-O 13. Kb1 {B19: Classical Caro-Kann: 4...Bf5 main line} (13. Ne4 Nxe4 14. Qxe4 Qd5 15. Qxd5 cxd5 16. g4 Nc6 17. c3 Rac8 18. Rdg1 f6 19. Bf4 e5 20. Be3 Bd6 {0-1 (44) Savchenko,B (2585)-Popov,I (2609) Sochi 2017}) 13... c5 14. Ne4 Nc6 15. Bc3 Nb4 16. Bxb4 cxb4 {LiveBook: 5 Games} 17. Ne5 Nxe4 $146 (17... Nd5 {keeps more tension.} 18. g4 Rc8 19. Rhf1 Bg5 20. Nf3 Nf4) ({Predecessor:} 17... a5 18. Nxf6+ Bxf6 19. Qb5 Qe7 20. Qd7 Rfd8 21. Qxe7 Bxe7 {1-0 (43) Sukandar,I (2392)-Severina,M (2233) Moscow 2015}) 18. Qxe4 Qd5 19. Qxd5 exd5 20. Rhe1 Rfe8 21. Ng4 Bf6 22. Re3 Kf8 23. Nxf6 Rxe3 $14 {[%mdl 4096] Endgame KRR-KRN} 24. Nh7+ (24. fxe3 {with more complications.} gxf6 25. Rd3 Re8 26. Rb3 a5 27. Kc1) 24... Kg8 25. fxe3 Kxh7 $11 {KR-KR} 26. Rf1 Kg8 27. Kc1 Kf8 28. Rf5 Rd8 29. Kd2 Ke7 30. Kd3 Rd6 31. e4 dxe4+ 32. Kxe4 Rc6 33. Kd3 Ra6 (33... a6 $11) 34. Rb5 $16 b6 35. Rxb4 Rxa2 36. b3 Ke6 37. Ra4 (37. g4 $1 $16) 37... Rxa4 $11 38. bxa4 {KP-KP} Kf5 $2 {[%mdl 8192]} (38... g5 $11) 39. Kc4 $1 $18 Ke4 {[#]} 40. c3 $1 a6 41. g4 g5 42. d5 Ke5 {[#]} 43. a5 $1 {[%cal Ra5b6][%mdl 512] White mates.} bxa5 44. Kc5 a4 {[#]} 45. d6 $1 {[%cal Rd6d7]} a3 46. d7 a2 47. d8=Q a1=Q 48. Qd4+ {Precision: White = 87%, Black = 46%.} 1-0

[Event "Saint Louis Invitational A 2017"]
[Site "Saint Louis"]
[Date "2017.11.20"]
[Round "5"]
[White "Hambleton, Aman"]
[Black "Bartholomew, John"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2484"]
[BlackElo "2442"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,81,-2,9,18,22,0,27,22,26,0,0,0,17,0,1,0,0,-20,0,0,0,0,0,0,0,0,0,0,9,9,9,4,50,47,54,45,44,16,19,16,22,8,14,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. Bf4 Nf6 3. e3 Bg4 4. Nf3 e6 5. c4 (5. Nbd2 Bd6 6. Be2 Bxf4 7. exf4 O-O 8. Ne5 Bxe2 9. Qxe2 Nbd7 10. O-O c5 11. Ndf3 Rc8 12. c3 Ne4 13. Nxd7 Qxd7 {½-½ (57) Lalith,B (2525)-Himanshu,S (2510) Patna 2017}) 5... dxc4 6. Bxc4 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} Nbd7 $146 ({Predecessor:} 6... c6 7. Qb3 Qb6 8. Ne5 Bf5 9. Nc3 Nbd7 10. Nxd7 Nxd7 11. e4 Qxb3 12. Bxb3 Bg6 {1-0 (25) Kvisla,J (2258)-Bjugn,G (1825) Bergen 2017}) 7. Qb3 Bxf3 8. gxf3 {White has an edge.} Nb6 9. Rg1 Nxc4 10. Qxc4 c6 11. Nc3 (11. Be5 {is more complex.} Nd5 12. Nd2 f6 13. Bg3 Kf7 14. O-O-O) 11... Nd5 12. Be5 Nxc3 13. Qxc3 f6 14. Bf4 g5 15. Bg3 Qd5 16. e4 Qb5 17. O-O-O O-O-O 18. f4 g4 19. Bh4 Be7 $1 20. Rxg4 {Hoping for Rg7.} f5 {[#] White must now prevent ...Bb4.} 21. Bxe7 fxg4 22. Bxd8 Rxd8 $14 {[%mdl 4096] Endgame KQR-KQR} 23. h3 h5 {The position is equal.} 24. hxg4 hxg4 25. Qe3 Rh8 26. f5 Rh3 27. Qf4 Qc4+ 28. Kb1 Qe2 29. Rc1 Rf3 30. Qxg4 exf5 31. exf5 Qd3+ 32. Ka1 Qxf5 33. Qxf5+ Rxf5 $11 {KR-KR} 34. Rc2 Kd7 35. Kb1 Kd6 36. Rd2 Kd5 37. Kc2 Rf4 38. Kc3 Rf3+ 39. Kc2 Rf4 40. Kc3 Rf3+ 41. Kc2 {Precision: White = 67%, Black = 79%.} 1/2-1/2

[Event "Saint Louis Invitational A 2017"]
[Site "Saint Louis"]
[Date "2017.11.20"]
[Round "5"]
[White "Gurevich, Daniel"]
[Black "Chirila, Ioan-Cristian"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2471"]
[BlackElo "2557"]
[Annotator "TA"]
[PlyCount "119"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,119,28,35,15,32,39,41,19,32,14,27,3,14,0,0,-14,0,-22,-8,-26,-12,-19,-24,-15,-19,-21,0,0,0,0,0,0,0,-25,-8,-8,-8,-54,-54,-75,-29,-61,-52,-54,0,-27,-15,-18,-16,-27,-27,-18,-23,-36,-7,0,0,0,0,-8,0,0,0,-8,-8,-8,0,0,33,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. dxc3 Qxd1+ 7. Kxd1 f6 8. Be3 e5 9. Nd2 Be6 10. Bc4 Kf7 11. Kc2 Nd7 12. Rad1 {A16: English Opening: 1...Nf6 with ...d5} Nb6 13. Bxe6+ Kxe6 14. b3 $146 {White is slightly better.} ({Predecessor:} 14. Kb3 Nd7 15. Kc2 Bc5 16. Rhe1 Rhd8 17. Nb3 Bxe3 18. Rxe3 b6 19. Red3 Ke7 {½-½ (41) Ornstein,A (2311)-Turov,M (2593) Stockholm 2014}) 14... Nc8 15. f3 Nd6 16. c4 b6 17. Nb1 Nb7 18. Nc3 c6 19. g3 Bb4 20. Kb2 Rad8 21. a3 Bc5 22. Bxc5 Nxc5 23. b4 Nd3+ (23... Nb7 {keeps more tension.} 24. Kb3 h5 25. h4 Rhf8 26. Ne2 Nd6) 24. Kc2 Nf2 25. Rxd8 Rxd8 $11 {[%mdl 4096] Endgame KRN-KRN} 26. Rf1 Nh3 $1 27. Nd1 f5 28. exf5+ gxf5 29. Ne3 f4 30. gxf4 exf4 31. Ng4 h5 32. Nf2 Ng5 (32... Nxf2 $15 33. Rxf2 Rd4) 33. h4 Nxf3 34. Nh3 Nd4+ 35. Kb2 f3 36. Ng5+ Kf5 37. Nxf3 Kg4 (37... Nxf3 {looks sharper.} 38. Rxf3+ Kg4 39. Rf7 Ra8 40. c5 Kxh4 41. Rg7 bxc5 42. bxc5 Rc8) 38. Ne5+ $1 Kg3 39. Rg1+ Kh3 40. Rh1+ Kg3 41. Rg1+ Kh3 42. Rh1+ Kg2 43. Rd1 Ne6 44. Re1 Nf4 (44... Nd4 {is more complex.} 45. Kc3 Rd6 46. Nd3 Kf3 47. Re5 Ne2+) 45. Re4 Re8 {[#] Strongly threatening ...Nd3+!The position is equal.} 46. Rxf4 Rxe5 {KR-KR} 47. Rf7 a5 48. Rf6 axb4 49. axb4 c5 50. Rxb6 {[#] Hoping for Rb5.} cxb4 51. Rxb4 Re4 52. Kc3 {Threatens to win with c5.} Rxh4 53. Rb2+ Kg3 54. c5 {c6 is the strong threat.} Ra4 55. Rb3 h4 {And now ...h3 would win.} 56. c6 Ra8 57. Kd4+ Kg2 58. Rb2+ Kg3 59. Rb3+ Kg2 60. Rb2+ {Precision: White = 43%, Black = 59%.} 1/2-1/2

[Event "Saint Louis Invitational A 2017"]
[Site "Saint Louis"]
[Date "2017.11.20"]
[Round "5"]
[White "Sturt, Raven"]
[Black "Sadorra, Julio-Catalino"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "2449"]
[BlackElo "2558"]
[Annotator "TA"]
[PlyCount "164"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,164,12,23,-6,-2,-17,-12,0,0,-2,0,-25,-10,-19,-29,-25,-9,-52,-66,-52,-53,-53,-53,-53,-57,-75,-34,-69,0,0,0,0,0,6,25,18,15,24,22,15,9,9,10,8,8,8,15,14,28,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 e6 2. Nf3 f5 3. g3 Nf6 4. Bg2 d5 5. c4 Bd6 6. O-O O-O 7. Nc3 c6 8. Rb1 Nbd7 {LiveBook: 4 Games. A90: Dutch Defence: Miscellaneous and Modern Stonewall (with ...Bd6)} (8... Ne4 9. Qc2 a5 10. a3 Qe7 11. c5 Bc7 12. Bf4 Bxf4 13. gxf4 Bd7 14. b4 Be8 15. Ne5 Nd7 16. Nd3 Ndf6 17. f3 Nxc3 18. Qxc3 {0-1 (44) Jakovenko,D (2704)-Vallejo Pons,F (2711) Doha 2016}) 9. Qd3 Ne4 10. Bf4 $146 ({Predecessor:} 10. b4 dxc4 11. Qxc4 Nb6 12. Qd3 Nxc3 13. Qxc3 Nd5 14. Qd2 a6 15. Ne5 f4 {1-0 (35) Fabeta,T (1797)-Lorger,I (1778) Bjelolasica 2009}) 10... Bxf4 11. gxf4 Rf6 12. Qe3 Rh6 13. Nxe4 fxe4 14. Ne5 Nxe5 15. fxe5 Bd7 16. f3 Qh4 17. h3 {[%cal Rf3e4]} Qg3 18. Qf2 Rxh3 {[%csl Gh3][%cal Rg3h2,Bh6h3,Bh3g3,Bg3g5][%mdl 32] [#]} 19. Qxg3 Rxg3 20. Kh2 $1 {[%cal Rh2g3]} Rg5 21. fxe4 dxe4 (21... dxc4 $15 22. b3 cxb3 23. Rxb3 b6) 22. c5 $11 Rf8 23. Rxf8+ ({Don't play} 23. Bxe4 Rxf1 24. Rxf1 Rg4 $17) 23... Kxf8 {[%mdl 4096] Endgame KRB-KRB} 24. e3 Be8 25. Bxe4 Bg6 26. Bxg6 Rxg6 {KR-KR} 27. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} Ke7 28. b5 {Threatens to win with bxc6.} Kd7 29. a4 Rg4 30. Rf1 Ke8 31. bxc6 bxc6 32. Rb1 {aiming for a5.} a5 {The position is equal.} 33. Rb6 Kd7 34. Rb7+ Kd8 35. Ra7 Re4 36. Rxa5 {Ra8+ is the strong threat.} Rxe3 37. Ra8+ Kd7 38. Ra7+ Kd8 39. a5 Ra3 $1 40. Rxg7 (40. a6 {seems wilder.} g5 41. Ra8+ Kc7 42. a7 h5 43. Kg2) 40... Rxa5 41. Rxh7 Ra3 42. Rh3 Ra2+ 43. Kg3 Rd2 44. Rh4 Rd3+ 45. Kf2 Kc7 46. Ke2 Ra3 47. Rf4 Kd7 48. Rf3 Ra1 49. Ke3 Re1+ 50. Kf4 Rd1 51. Ke3 Re1+ 52. Kd2 Ra1 53. Rf7+ Kd8 54. Kc3 Rb1 55. Rh7 Rb5 56. Rg7 Rb1 57. Rg4 {And now Rg6 would win.} Kd7 58. Kd3 Re1 59. Kd2 Ra1 60. Ke3 Rf1 61. Rf4 Rg1 62. Kf2 Rd1 63. Kg3 Ke7 64. Kh4 Rh1+ 65. Kg5 Rd1 66. Kh5 Rd2 67. Rh4 Rg2 68. Rg4 Rh2+ 69. Kg6 Rd2 70. Kg7 Ra2 71. Kh7 Rh2+ 72. Kg7 Rh1 73. Kg8 {[#] Strongly threatening Rg7+.} Rd1 74. Rg7+ Ke8 75. Rc7 Rxd4 76. Rxc6 Rg4+ 77. Kh7 Rg5 78. Rxe6+ Kf7 79. Kh6 Kxe6 80. Kxg5 {Threatening mate with c6.} Kxe5 81. c6 {Intending c7 and mate.} Kd6 82. c7 Kxc7 {Precision: White = 66%, Black = 89%.} 1/2-1/2

[Event "Saint Louis Invitational A 2017"]
[Site "Saint Louis"]
[Date "2017.11.20"]
[Round "6.1"]
[White "Ashwin, Jayaram"]
[Black "Sadorra, Julio Catalino"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2474"]
[BlackElo "2554"]
[Annotator "TA"]
[PlyCount "163"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,163,0,0,-14,-19,-10,-7,-37,-7,-13,-22,-3,0,17,19,-52,-47,-53,-47,-31,-17,-16,0,-28,-34,-58,-58,-60,-60,-52,-41,-46,-44,-55,-60,-63,-27,-69,-39,-79,-42,-73,-81,-81,-64,-137,-73,-141,-127,-157,-56,-187,-173,-170,0,-139,-138,-291,-251,-211,-29,-30,0,-215,-81,-72,-72,-71,-25,-31,-11,-24,-5,-17,-4,-22,10,0,0,-3,0,-35,-10,-10,-6,-9,-13,-37,-36,-43,-29,-33,-20,-49,-22,-101,-101,-101,-101,-101,-75,-75,-75,-75,-75,-77,-75,-75,-60,-60,-60,-60,-60,-60,-60,-60,-60,-60,-60,-60,-60,-60,-60,-60,0,-60,-60,-60,-60,-60,-60,-60,-60,-60,-60,-60,-60,-60,-60,-60,-42,-60,0,-60,0,-60]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Bb4+ 5. Nbd2 dxc4 6. Qc2 O-O 7. Bg2 a5 {E04: Open Catalan: 5 Nf3} 8. Qxc4 b6 9. a3 Ba6 (9... Be7 10. Ne5 Ra7 11. Ndf3 Ba6 12. Qc2 c5 13. Bf4 cxd4 14. Rd1 Nd5 15. Nxd4 Nxf4 16. gxf4 {½-½ (52) Sengupta,D (2586)-Wei,Y (2732) Chengdu 2017}) 10. Qc2 Be7 {LiveBook: 6 Games} 11. Nc4 c5 12. dxc5 Bxc5 13. O-O Nbd7 (13... Qc7 $5 {[%cal Ra6c4]} 14. Nfe5 Bb7 $11) 14. a4 $1 Rc8 {Threatens to win with ...Bxc4.} 15. b3 {[#]} b5 $146 16. axb5 Bxb5 17. Qb2 (17. Bb2 $11) 17... Bxc4 $15 18. bxc4 Nb6 19. Bg5 Nxc4 20. Qa2 Qb6 21. Bxf6 gxf6 22. Nd2 Nxd2 23. Qxd2 Bb4 24. Qf4 Qc5 25. Bb7 Rb8 26. Be4 Qe5 27. Qh4 {[%csl Ge4][%cal Rh4h7]} f5 (27... h6 $5) 28. Bd3 Kh8 29. Kh1 Rg8 30. f3 Bc3 $36 {[%mdl 2048] Keeping White busy.} 31. Ra2 Rg6 32. Rc1 ({Better is} 32. Qc4 $15) 32... Rbg8 (32... Bd4 $142 $1 {...Be3 is the strong threat.} 33. Rf1 Rbg8) 33. Rac2 ({White should try} 33. Qc4 Bb4 34. Rg1) 33... Bb2 $17 34. Rb1 {[#]} Bd4 (34... Qg7 $1 $17 35. Rg1 (35. Rbxb2 $2 Rh6 $19) 35... Be5) 35. Rc4 (35. e4 $15) 35... Be3 $19 36. Qh3 Bd4 37. Qh4 $1 {[#]} Bf2 $1 38. Kg2 $2 (38. Rf1 $17 {was called for.} Be3 39. Qh3) 38... Be3 {And now ...Rh6 would win.} 39. Qh3 Bf4 $2 ({Black should play} 39... Rh6 $19 40. Rh4 Rgg6) 40. Qh4 $1 $11 {[%cal Rh4f4]} Be3 $2 (40... Bd2 $11) 41. Qh3 $1 $19 Bg5 (41... Rh6 $19 42. Rh4 Rgg6) 42. Kf1 $17 Rh6 43. Qg2 Qe3 44. Qg1 Ra8 45. f4 Qxg1+ 46. Kxg1 Bf6 47. Bc2 Rg6 48. e4 Rgg8 49. e5 Bg7 (49... Bd8 {feels hotter.} 50. Rb7 Kg7 51. Rd4 Ra6 52. Rdd7 Rf8) 50. Rb5 Rgb8 51. Rxb8+ Rxb8 $11 {[%mdl 4096] Endgame KRB-KRB} 52. Rc5 Ra8 53. Ba4 Bf8 54. Rc7 Kg8 55. Kg2 Rd8 56. Bd7 Rb8 57. Rc8 (57. Kf3 $11) 57... Rxc8 $17 58. Bxc8 {KB-KB} a4 {[%cal Ba5a4,Ba4a3][%mdl 32] aiming for ...a3.} 59. Ba6 a3 60. Bc4 Bb4 61. h3 Bd2 62. Kf3 h5 {[%cal Bh7h5,Bh5h4][%mdl 32]} 63. g4 h4 64. gxf5 exf5 65. Ba2 Kf8 66. Bb3 Ke7 67. Ba2 f6 68. e6 $1 Kd6 69. Bb3 Bc1 70. Ba2 $1 Kc6 71. Bb3 Bd2 (71... Kc7 $15) 72. Ba2 (72. Ba4+ $1 $11 Kd6 73. Bb3) 72... Kc7 73. Bb3 Kd6 74. Ba2 Kc6 75. Bb3 Bb4 76. Ke3 Bc5+ 77. Kd3 Bd6 78. Ke3 Kc5 {Strongly threatening ...Kb4.} 79. Kd3 Kb5 80. Ba2 Kc5 81. Bb3 $1 Kc6 82. Ke3 $1 {Precision: White = 53%, Black = 45%.} 1/2-1/2

[Event "Saint Louis Invitational A 2017"]
[Site "Saint Louis"]
[Date "2017.11.20"]
[Round "6.2"]
[White "Bartholomew, John"]
[Black "Sturt, Raven"]
[Result "1/2-1/2"]
[ECO "D78"]
[WhiteElo "2442"]
[BlackElo "2449"]
[Annotator "TA"]
[PlyCount "116"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,116,25,0,12,10,16,12,12,-2,9,0,11,0,0,0,0,-6,0,0,7,11,0,0,0,-16,0,-75,-72,-87,-91,-76,-17,-48,0,-22,3,-12,0,0,67,75,69,76,70,80,147,132,131,130,137,151,133,151,187,192,522,124,128,104,119,96,107,69,67,67,77,69,69,31,32,24,25,25,25,25,25,19,22,23,37,16,16,16,18,17,18,18,23,24,62,65,65,25,25,0,8,8,16,8,8,0,0,0,0,0,8]} 1. d4 d5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. c4 c6 7. Na3 {LiveBook: 37 Games} a6 {D78: Fianchetto Grünfeld: 6 0-0 c6} (7... Bf5 8. Bf4 Nbd7 9. Qc1 Qb6 10. Rd1 Rac8 11. c5 Qa5 12. Nh4 b6 13. Nxf5 gxf5 14. cxb6 Qxb6 15. Rb1 c5 {½-½ (70) Nikolic,P (2618)-Vuckovic,B (2558) Kraljevo 2015}) 8. Bf4 Qb6 $146 ({Predecessor:} 8... b5 9. cxd5 cxd5 10. Rc1 Ne8 11. Qb3 Bb7 12. Ne5 Ra7 13. Qb4 e6 14. Nb1 g5 15. Be3 {½-½ (59) Dimakiling,O (2479)-Ballecer,D (2419) Manila 2008}) 9. Qc1 Bf5 10. c5 Qd8 11. Nh4 Bc8 12. Nc2 Nbd7 13. Nf3 Ne4 14. Bh6 b6 15. Bxg7 Kxg7 16. b4 a5 17. a3 Ba6 18. Re1 bxc5 19. dxc5 (19. bxc5 $11 Rb8 20. Qe3) 19... e5 $17 20. Ne3 f5 21. Nd2 Nef6 (21... Ng5 $17) 22. Nb3 $11 axb4 23. axb4 Qe7 24. Na5 Qe6 25. f4 Rab8 (25... Bb5 $11) 26. fxe5 $1 $14 Nxe5 27. Qc3 Bb5 28. Nb3 Qe7 ({Black should play} 28... Nc4 29. Nxc4 Bxc4) 29. Nd4 $16 Kg8 30. Ra5 Ne4 31. Bxe4 $1 fxe4 32. Nxb5 Rxb5 33. Rxb5 Qf6 $2 {[#]} (33... cxb5 {is more resistant.} 34. Qd4 (34. Nxd5 Qf7 $18) 34... Qe6) 34. Kh1 $2 (34. Ng4 $1 $18 {[%cal Rg4f6]} Nxg4 35. Qxf6 Rxf6 36. Rb6) 34... cxb5 35. Rf1 ({Don't play} 35. Nxd5 Qf2 $14) 35... Qe6 36. Rxf8+ Kxf8 37. Qd4 Nc6 $1 {[%cal Rc6d4]} 38. Qxd5 Qxd5 39. Nxd5 $14 {[%mdl 4096] Endgame KN-KN} Kf7 40. Nc3 Nxb4 41. Nxe4 Ke6 42. Nc3 Na6 43. Nxb5 {And now c6 would win.} Nxc5 44. Kg2 Ke5 45. Kf3 Ne4 46. Na3 Nd2+ 47. Kf2 h5 48. Nc2 g5 49. Ne1 {Black must now prevent Nf3+.} Ne4+ 50. Ke3 Nc3 51. Nd3+ Kf5 52. Kf3 Ne4 53. Nf2 Nd2+ {The position is equal.} 54. Kg2 Ke5 55. Nd3+ Kd4 56. h4 gxh4 57. Nf4 hxg3 58. Nxh5 Ke3 {Precision: White = 59%, Black = 57%.} 1/2-1/2

[Event "Saint Louis Invitational A 2017"]
[Site "Saint Louis"]
[Date "2017.11.20"]
[Round "6.3"]
[White "Chirila, Ioan-Cristian"]
[Black "Hambleton, Aman"]
[Result "1-0"]
[ECO "A49"]
[WhiteElo "2557"]
[BlackElo "2484"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,55,0,0,0,0,0,11,3,10,15,19,20,22,0,0,0,10,0,0,0,0,0,33,0,75,40,124,144,569,563,759,759,759,759,841,827,956,905]} 1. Nf3 b6 2. g3 Bb7 3. Bg2 Nf6 4. O-O g6 5. d4 c5 6. c3 Bg7 7. Qb3 cxd4 8. Ne5 d5 9. cxd4 O-O 10. Nc3 Nc6 {LiveBook: 7 Games. A49: 1 d4 Nf6 2 Nf3 g6 3 g3: Anti-King's Indian systems} 11. Rd1 e6 12. Bf4 Nxe5 $146 {The position is equal.} ({Predecessor:} 12... Rc8 13. Rac1 Nh5 14. Nb5 Nxf4 15. gxf4 a6 16. Nc3 Na5 17. Qb4 f6 {1-0 (42) Debevec,B (2139)-Akesson,R (2428) Maribor 2015}) 13. Bxe5 Qd7 14. a4 {[%cal Ba2a4,Ba4a5,Ba5a6][%mdl 32]} Bc6 15. a5 Qb7 16. a6 Qd7 17. e3 Ne8 18. e4 $36 {[%mdl 2048] White is more active.} dxe4 19. Bxe4 Bxe4 20. Nxe4 Rc8 21. Nc3 f6 (21... h5 $11) 22. Bf4 g5 {[#]} ({Better is} 22... Rf7 $14) 23. d5 $1 $16 {[%cal Bd4d5,Bd5e6,Be6e7][%mdl 32]} gxf4 $2 {[%mdl 8192]} (23... e5 $16 {is more resistant.}) 24. dxe6 $18 {White is clearly winning.} Qc6 25. e7+ Rf7 26. Rd8 f5 27. Qd5 Qc7 28. Nb5 {Precision: White = 65%, Black = 29%.} 1-0

[Event "Saint Louis Invitational A 2017"]
[Site "Saint Louis"]
[Date "2017.11.20"]
[Round "6.4"]
[White "Shetty, Atulya"]
[Black "Gurevich, Daniel"]
[Result "1/2-1/2"]
[ECO "A29"]
[WhiteElo "2403"]
[BlackElo "2471"]
[Annotator "TA"]
[PlyCount "125"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,125,16,0,0,0,0,-15,-9,-19,0,-5,-5,-1,0,-30,-40,-49,-40,-41,-9,-18,-22,-11,0,0,0,-39,-39,-39,47,0,0,-10,0,-9,-14,-14,-14,-10,-8,-58,-61,-66,-67,-75,-75,-75,-75,-75,-75,-75,-75,-75,-75,-110,-75,-93,-75,-75,-77,-151,-70,-80,-77,-151,-151,-151,-151,-179,-179,-179,-179,-224,-151,-151,-75,-75,-75,-75,-75,-75,-75,-75,-75,-151,-151,-279,-75,-290,-244,-233,-147,-225,-404,-404,-404,-411,-411,-411,-58,-58,0,0,0,0,0,0]} 1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. Nf3 Nc6 7. O-O Be7 8. b3 O-O 9. Bb2 Re8 {A29: English Opening: Four Knights Variation with 4 g3} (9... f6 10. Rc1 Be6 11. Ne4 Bd5 12. Qc2 Nb4 13. Qb1 Nxa2 14. Nxf6+ Bxf6 15. Qxa2 e4 16. Nd4 Qd7 17. Qb1 Rae8 18. e3 c6 {½-½ (45) Topalov,V (2754)-Giri,A (2790) Stavanger 2016}) 10. Rc1 Bg4 11. d3 {LiveBook: 5 Games} Qd7 12. Ne4 f6 13. Nc5 Bxc5 $1 14. Rxc5 Bh3 15. Bxh3 Qxh3 16. b4 a6 17. a4 $146 ({Predecessor:} 17. Qb3+) 17... Qe6 18. a5 Nd5 19. Ba3 b6 20. Rc1 Rad8 21. Qb3 Nd4 22. Nxd4 exd4 23. Bb2 bxa5 24. bxa5 Kh8 (24... Rb8 $15 25. Qa3 Rb4) 25. Bxd4 Qxe2 26. Qd1 Qe6 (26... Nf4 {is more complex.} 27. gxf4 Rxd4 28. Qxe2 Rxe2 29. Kh1 Rxf4 30. Rxc7 h5) 27. Re1 Qxe1+ 28. Qxe1 Rxe1+ 29. Rxe1 $11 {[%mdl 4096] Endgame KRB-KRN} Kg8 30. Bc5 Rb8 31. Be3 Rb3 32. Rc1 Rxd3 33. Rc6 Nxe3 34. fxe3 $17 {KR-KR} Rd6 35. Rxc7 Rd5 36. Kg2 Rxa5 37. Ra7 h5 38. h4 Kh7 39. e4 Kg6 40. Kf3 (40. Ra8 $142) 40... Ra1 ({Better is} 40... Ra3+ $17 41. Kf4 Ra1) 41. Kf2 a5 {[%cal Ba6a5,Ba5a4,Ba4a3,Ba3a2][%mdl 32]} 42. Kf3 (42. Ra8 $142) 42... a4 43. Kf2 a3 44. Kg2 a2 {...Kh7 is the strong threat.} 45. Kh2 Kh7 $1 {[%cal Rh7g8]} 46. Ra8 g6 47. Ra7+ Kg8 (47... Kh6 $142 48. Kg2 g5) 48. Kg2 Kf8 {aiming for ...Ke8.} 49. Kh2 Ke8 50. Kg2 Kd8 {Hoping for ...Kc8.} 51. Kh2 Kc8 {And now ...Kb8 would win.} 52. Kg2 Kb8 53. Ra3 (53. Ra4 $17 Kb7 54. Ra3) 53... Kb7 $19 54. Ra4 $2 {[#]} (54. Ra5 $17 Kb6 55. Ra8) 54... Kb6 $1 {[%cal Rb6c5]} 55. Ra8 {[#]} Kb5 $1 {[%cal Rb5b4]} 56. Rb8+ (56. Ra3 $17 {was called for.} Kc4 57. Ra7) 56... Kc4 57. Rc8+ Kd3 58. Rd8+ Ke3 {( -> ...Rg1+!)} 59. Ra8 Rd1 $2 ({Black should play} 59... Kxe4 $19 60. Ra3 Kd4) 60. Rxa2 $15 Rd2+ (60... Kxe4 $15 61. Re2+ Kf5 62. Rf2+ Ke6 63. Re2+ Kf7) 61. Rxd2 $11 {The position is equal.} Kxd2 62. Kf2 $1 Kd1 {Strongly threatening ...Kd2.} 63. Kf1 {Precision: White = 53%, Black = 62%.} 1/2-1/2

[Event "Saint Louis Invitational A 2017"]
[Site "Saint Louis"]
[Date "2017.11.20"]
[Round "6.5"]
[White "Zierk, Steven"]
[Black "Burke, John M"]
[Result "0-1"]
[ECO "B86"]
[WhiteElo "2493"]
[BlackElo "2502"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,58,0,0,-33,-31,-26,33,-68,-68,-70,-33,-81,-36,-41,-35,-41,-45,-81,-54,-45,-77,-197,-195,-319,-305,-302,-300,-386,-389,-393,-364,-383,-379,-425,-414,-425,-423,-414,-418,-404,-401,-483,-472]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. Bc4 b5 8. Bb3 Be7 9. a3 O-O {LiveBook: 8 Partien} 10. g4 {B86: Sizilianisch (Sosin-Angriff)} (10. f3 Bd7 11. g4 Nc6 12. g5 Ne8 13. Nxc6 Bxc6 14. h4 a5 15. Qd4 Nc7 16. Rd1 Na6 17. h5 Bxg5 {½-½ (27) Warzecha,H (2439)-Gappel,H (2424) Remote email 2014}) 10... Bb7 11. f3 d5 (11... Nc6 $11) 12. e5 ({Besser ist} 12. g5 $14 Nfd7 13. exd5 Bxg5 14. Qd2 Bxe3 15. Qxe3 exd5 16. O-O-O) 12... Nfd7 $15 {[%cal Bf6d7,Bd7b6,Bb6c4,Bc4e3][%mdl 32]} 13. f4 Nc6 (13... Bh4+ {seems wilder.} 14. Kd2 g5 15. Qf3 Nc5 16. Kc1 Nc6) 14. O-O $146 ({Vorgänger:} 14. Nce2 Na5 15. c3 Nc4 16. Bc1 Qb6 17. Bc2 f6 {0-1 (33) Weiss-Bialas,W Bad Pyrmont 1963}) 14... Nb6 15. Nxc6 Bxc6 16. Bd4 Nc4 17. f5 exf5 (17... Nxb2 18. Qc1 $16) 18. gxf5 {Und f6 würde nun gewinnen.} Bc5 $1 $36 {[%mdl 2048] Weiss muss aufpassen.} 19. Rf2 {[#]} (19. f6 $17 {kämpft weiter.} Ne3 20. Qd3 Bxd4 21. Qxd4 Nxf1 22. Rxf1) 19... Ne3 $1 $19 ({Viel schwächer ist} 19... Nxb2 20. Qg4 $15) 20. Qd2 (20. Qd3 $142 Qg5+ 21. Kh1 Bxd4 22. Qxd4 Nxf5 23. Qf4 Qxf4 24. Rxf4 d4+ 25. Bd5) 20... Qg5+ ({Bloß nicht} 20... Bxd4 21. Qxd4 Qg5+ 22. Kh1 $17) 21. Kh1 {Und weiter mit Se4 wäre nett.} Qh4 ({Jedoch nicht} 21... Bxd4 22. Qxd4 Nxf5 23. Qb6 $19) 22. Bxc5 {zielt auf Ld4 ab.} d4+ $1 23. Nd5 Nxd5 24. Bxd5 Bxd5+ 25. Kg1 Rfc8 26. b4 {Weiss will Df4 spielen.} Qg4+ 27. Rg2 Bxg2 28. Qxg2 Qxf5 29. Bxd4 Qxc2 {Precision: Weiß = 38%, Schwarz = 63%.} 0-1

[Event "Saint Louis Invitational A 2017"]
[Site "Saint Louis"]
[Date "2017.11.20"]
[Round "7"]
[White "Sadorra, Julio Catalino"]
[Black "Bartholomew, John"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2554"]
[BlackElo "2442"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,63,0,0,5,16,-3,10,-5,14,12,6,-4,-4,0,0,-105,-105,-105,-105,-105,-105,-105,-105,-105,-103,-116,-102,-108,-80,-83,-89,-88,-81,-82,-80,-73,-72,-86,-55,-51,-43,-62,-17,-17,0,0,0,0,0,0,0,-22]} 1. Nf3 d5 2. e3 Nf6 3. c4 c6 4. Nc3 g6 5. b3 Bg7 6. Bb2 O-O 7. Be2 dxc4 {LiveBook: 3 Games. A11: English Opening: 1...c6} (7... Bg4 8. O-O e6 9. Qc2 a5 10. h3 Bxf3 11. Bxf3 Nbd7 12. Rfd1 Qb8 13. Rac1 Rd8 14. g3 h5 15. Bg2 Nb6 {½-½ (52) Grischuk,A (2728)-Kamsky,G (2723) Moscow 2008}) 8. Bxc4 c5 9. d4 cxd4 10. Nxd4 Bd7 11. O-O Nc6 12. Nd5 Rc8 $146 ({Predecessor:} 12... Ne5 13. Nxf6+ Bxf6 14. Be2 Qb6 15. a4 a5 16. Nb5 Rad8 17. Bd4 Qe6 18. f4 {1-0 (48) Kunal,M (2336)-Brunello,S (2552) New Delhi 2015}) 13. Nxc6 Bxc6 14. e4 (14. Nxf6+ $11 Bxf6 15. Bxf6 exf6 16. Qxd8 Rcxd8 17. Rfd1) 14... Nxe4 $17 15. Bxg7 Kxg7 16. Re1 e6 {[%cal Be7e6,Be6d5][%mdl 32]} 17. Rxe4 {[#] Black must now prevent Qd4+.} exd5 18. Rd4 {[%cal Rc4d5]} Qf6 19. Be2 Rfe8 20. Bf3 Re1+ 21. Qxe1 Qxd4 22. Rd1 Re8 23. Qa5 b6 24. Rxd4 bxa5 {[%cal Re8e1][%mdl 4096] [#] Endgame KRB-KRB} 25. Rd1 Rb8 26. Rc1 Rb6 27. Kf1 a4 28. bxa4 {The position is equal.} Bxa4 {...Bb5+ is the strong threat.} 29. Bxd5 Bb5+ 30. Ke1 Bd7 31. Rc7 Be6 32. Bxe6 {Precision: White = 60%, Black = 68%.} 1/2-1/2

[Event "Saint Louis Invitational A 2017"]
[Site "Saint Louis"]
[Date "2017.11.20"]
[Round "7"]
[White "Burke, John M"]
[Black "Ashwin, Jayaram"]
[Result "1/2-1/2"]
[ECO "C07"]
[WhiteElo "2502"]
[BlackElo "2474"]
[Annotator "TA"]
[PlyCount "44"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,44,20,28,12,12,4,17,8,26,-7,-7,-7,-6,0,-12,-6,-8,-6,-6,-9,0,0,0,-8,-17,-13,0]} 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 cxd4 5. exd5 Qxd5 6. Bc4 Qd7 {C07: Französische Verteidigung (Tarrasch-Variante)} (6... Qd6 7. O-O Nf6 8. Nb3 Nc6 9. Nbxd4 Nxd4 10. Nxd4 a6 11. Re1 Qc7 12. Bf1 Bd6 13. Nf5 Bxh2+ 14. Kh1 Kf8 15. Qd4 exf5 16. Qxf6 h6 17. Qd4 Bd6 18. Bd2 Be6 19. Bc3 Rh7 {0-1 (48) Karjakin,S (2781)-Caruana,F (2808) Paris 2017}) 7. O-O Nc6 8. Nb3 Nf6 9. Nbxd4 Nxd4 10. Nxd4 a6 {LiveBook: 114 Partien} 11. Re1 Bc5 12. Be3 Qc7 13. Bb3 O-O 14. Qf3 Bd6 $146 {Die Stellung ist ausgeglichen.} 15. Qh3 e5 {[%cal Be6e5,Be5e4][%mdl 32]} 16. Nf5 e4 $1 17. Bg5 {[#] Droht stark Lxf6.} Bxf5 18. Qxf5 Bxh2+ 19. Kh1 $132 {[%mdl 2048] Weiss puts up resistance} Qe5 20. Qxe5 Bxe5 21. Bxf6 Bxf6 22. Bd5 Rac8 {Precision: Weiß = 50%, Schwarz = 65%.} 1/2-1/2

[Event "Saint Louis Invitational A 2017"]
[Site "Saint Louis"]
[Date "2017.11.20"]
[Round "7"]
[White "Hambleton, Aman"]
[Black "Shetty, Atulya"]
[Result "1/2-1/2"]
[ECO "A20"]
[WhiteElo "2484"]
[BlackElo "2403"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,120,11,47,36,41,44,52,37,40,50,66,49,71,37,73,75,70,75,70,73,70,68,64,53,59,58,61,68,77,70,71,71,71,71,71,71,72,68,87,75,81,68,59,34,76,31,47,8,15,15,73,73,73,73,73,73,73,35,70,0,79,41,43,39,120,120,141,133,141,152,82,68,68,68,68,29,29,29,29,29,31,29,29,27,27,27,27,27,27,30,32,-8,68,68,68,68,68,68,68,61,61,61,61]} 1. c4 e5 2. g3 Nc6 3. Bg2 Nf6 4. Nc3 Bc5 5. Nf3 d6 6. e3 a6 7. O-O O-O 8. d4 {A29: English Opening: Four Knights Variation with 4 g3} (8. a3 Ba7 9. b3 Bf5 10. d3 Qd7 11. Ng5 h6 12. Nge4 Nxe4 13. dxe4 Bh3 14. Bxh3 Qxh3 15. Nd5 Qd7 {0-1 (56) Kovalenko,I (2684)-Ponomariov,R (2709) Tallinn 2016}) 8... Ba7 9. h3 Bf5 10. b3 h6 {LiveBook: 4 Games} 11. g4 $146 ({Predecessor:} 11. dxe5 dxe5 12. Ba3 Re8 13. Qxd8 Raxd8 14. Rfd1 e4 15. Ne1 Rxd1 16. Rxd1 {½-½ (46) Miezis,N (2498)-Tregubov,P (2584) Flims 2016}) 11... Bh7 12. dxe5 dxe5 13. Ba3 {Strongly threatening g5.} Re8 14. Qxd8 Raxd8 15. Rfd1 e4 16. Nh2 {[%cal Bf3h2,Bh2f1,Bf1d2][%mdl 32]} Rxd1+ 17. Rxd1 Ne5 18. Nf1 Nf3+ 19. Bxf3 exf3 20. Nd2 Bg6 21. Kh2 Rd8 {[#] And now ...Bc2 would win.} 22. Nxf3 Rxd1 23. Nxd1 c6 24. Kg2 Bc2 25. Nc3 Ne4 26. Nxe4 Bxe4 $16 {[%mdl 4096] Endgame KBB-KBN} 27. Bd6 Bb6 28. Kg3 f6 29. Nd2 Bd3 30. Kf3 Kf7 31. Bb4 g6 32. Bc3 f5 33. e4 fxe4+ 34. Nxe4 Ke6 (34... Bb1 $11 {keeps the balance.}) 35. Bd2 h5 36. Be3 hxg4+ 37. hxg4 Ke5 38. Bf4+ Ke6 39. Be3 Ke5 40. Nc3 Ba5 41. Bf4+ Kd4 (41... Ke6 $14 42. Na4 Bb4) 42. Ne2+ Kc5 {[#]} 43. Ke3 $1 {[%cal Re3d3]} Bc2 44. Nd4 Bb1 45. a3 Bd2+ $1 46. Kxd2 Kxd4 $14 {KB-KB} 47. Be3+ Ke4 48. Kc3 Bd3 49. Kb4 Bc2 50. c5 Bd1 51. Ka5 Bxb3 52. Kb6 a5 53. Kxa5 Bc4 54. Kb6 Ba6 $1 55. f4 Kd5 ({Black should try} 55... Kxe3 $11 56. f5 gxf5 57. gxf5 Kd4) 56. Kc7 {White is slightly better.} Ke6 57. Bd4 Kf7 58. a4 {[%cal Ba3a4,Ba4a5][%mdl 32]} Ke6 59. a5 Kf7 60. Kd6 Bb5 {Precision: White = 62%, Black = 66%.} 1/2-1/2

[Event "Saint Louis Invitational A 2017"]
[Site "Saint Louis"]
[Date "2017.11.20"]
[Round "7"]
[White "Gurevich, Daniel"]
[Black "Zierk, Steven"]
[Result "1/2-1/2"]
[ECO "A38"]
[WhiteElo "2471"]
[BlackElo "2493"]
[Annotator "TA"]
[PlyCount "111"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,111,43,39,37,38,34,38,43,29,34,0,0,0,0,0,0,0,0,0,0,0,17,13,18,12,12,13,20,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,10,10,58,8,8,0,11,0,0,0,0,0,0,0,0,0,9,0,0,0,7,1,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 c5 2. c4 Nf6 3. Nc3 Nc6 4. g3 g6 5. Bg2 Bg7 6. d4 cxd4 7. Nxd4 O-O 8. O-O Nxd4 9. Qxd4 d6 10. Qd3 Rb8 11. Bg5 {A39: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3 Nf6 6 0-0 0-0 7 d4} (11. Be3 b6 12. Bd4 Bb7 13. Bxb7 Rxb7 14. Rfd1 Qc8 15. Rac1 Qh3 16. Qf3 Ng4 17. Qg2 Qxg2+ 18. Kxg2 Bxd4 19. Rxd4 Nf6 20. Nd5 Kg7 {1-0 (49) Svidler,P (2759)-Askarov,B (2409) Almaty 2016}) 11... Be6 12. Rac1 a6 13. b3 {LiveBook: 3 Games. White is slightly better.} Re8 14. Rfd1 Qa5 15. Bd2 $146 ({Predecessor:} 15. Qd2 Ng4 16. Nd5 Qxd2 17. Bxd2 Bxd5 18. Bxd5 Nf6 19. Bf3 {1-0 (35) Jarnuczak,D-Janssen,H Pinneberg 1999}) 15... Qh5 16. a4 Nd7 17. Nd5 Ne5 18. Qe4 Bf5 19. Nf4 $1 {[%cal Rf4h5]} Bxe4 20. Nxh5 Bxg2 21. Nxg7 Kxg7 22. Kxg2 Nd7 23. Be3 Rbc8 24. Rd5 Rc6 25. Rcd1 Rec8 26. f4 f5 27. Kf3 Kf7 28. a5 Nf6 29. R5d3 Ne4 30. Bb6 Nf6 31. h3 Nd7 32. Be3 Nc5 33. Bxc5 Rxc5 $11 {[%mdl 4096] Endgame KRR-KRR} 34. Rd5 R8c6 35. e4 Rxd5 36. Rxd5 {KR-KR} (36. exd5 {looks sharper.} Rc5 37. Ra1 e6 38. dxe6+ Kxe6 39. Ke3) 36... e6 {The position is equal.} 37. Rd4 Ke7 38. g4 fxe4+ 39. Kxe4 b6 40. axb6 Rxb6 41. Rd3 Rb8 42. f5 Rf8 {[%cal Rg6f5]} 43. Rf3 gxf5+ 44. gxf5 Rg8 45. fxe6 Kxe6 46. Kd4 a5 47. Re3+ Kd7 $1 48. Kc3 Rg2 49. Rd3 Kc6 50. Rd5 Rg3+ 51. Kb2 a4 52. bxa4 Rxh3 53. a5 Re3 54. Rh5 Re5 55. Rxh7 Rxa5 56. Kc3 {Precision: White = 55%, Black = 70%.} 1/2-1/2

[Event "Saint Louis Invitational A 2017"]
[Site "Saint Louis"]
[Date "2017.11.20"]
[Round "7"]
[White "Sturt, Raven"]
[Black "Chirila, Ioan-Cristian"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "2449"]
[BlackElo "2557"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,120,0,0,0,0,0,29,0,41,-5,48,68,58,47,60,12,101,98,105,96,105,56,249,60,55,44,43,0,0,4,144,124,365,0,0,-24,0,0,0,-23,-17,-17,-17,-18,-14,-84,-81,-138,-9,-12,-9,-72,-27,-39,-23,-27,-8,-10,0,0,0,0,0,0,0,0,0,0,0,-51,-27,-77,0,-80,-3,-1,0,0,0,0,0,0,0,0,0,0,8,8,8,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8. Be3 Qa5 9. Qd2 O-O 10. Rc1 Bg4 11. Be2 Nd7 12. d5 {D85: Grünfeldindisch (Abtauschvariante, 7.Sf3 bzw nicht 7.Lc4)} c4 {LiveBook: 13 Partien} 13. Bd4 {[#]} (13. Bxc4 Rfc8 $17) 13... Rac8 $146 ({Vorgänger:} 13... Bxf3 14. gxf3 b5 15. Bxg7 Kxg7 16. h4 f6 17. f4 Nc5 18. Qe3 Rac8 19. h5 Qb6 {0-1 (44) Yilmaz,M (2594)-Radjabov,T (2739) Reykjavik 2015}) 14. Bxg7 Kxg7 15. O-O (15. h4 $5 {[%cal Rh4h5]}) 15... Rfd8 16. Rb1 Nb6 (16... Nc5 $11) 17. Rfe1 $14 Bxf3 18. Bxf3 (18. gxf3 e6 $17) 18... e6 {[%cal Re6d5]} 19. Bg4 {Droht stark Dd4+.} Rb8 (19... Qc5 $1 $11) 20. Qd4+ $16 Kg8 21. h4 $1 {[%cal Bh2h4,Bh4h5][%mdl 32]} Na4 (21... Qxa2 $2 22. h5 $18) 22. h5 ({Viel schwächer wäre} 22. Qxc4 $6 exd5 23. exd5 Nxc3 $11) 22... exd5 $2 (22... Qxc3 $14 23. Qxa7 Ra8 24. Qxb7 exd5) 23. e5 $2 (23. Rb4 $1 $18 {Weiss will mit h6 Matt setzen.} dxe4 24. Qf6) 23... Qc5 $1 $14 {[%cal Rc5d4]} ({Falsch wäre} 23... Nxc3 $2 24. e6 $1 $18 {[%mdl 512]}) 24. Qf4 Qe7 $1 (24... Nxc3 25. e6 $1 $16 {[%mdl 512]}) 25. Re3 (25. e6 $5 {[%cal Re6f7]} Nc5 26. exf7+ Qxf7 27. Qd4 $11) 25... Nc5 $36 {[%mdl 2048] [#] Schwarz hat Initiative.} 26. e6 $1 {[%mdl 512]} fxe6 (26... b6 $11) (26... Nxe6 27. Bxe6) 27. hxg6 $16 hxg6 $2 {[#]} (27... Rf8 $16 {ist wohl besser.} 28. gxh7+ Kh8 29. Qd4+ Qg7) 28. Rbe1 $2 (28. Rb5 $1 $18 {[%cal Rb5c5] Droht Txc5! und aus.} Nd3 29. Bxe6+ Qxe6 30. Qxb8 Rxb8 31. Rxe6) 28... Rf8 $1 $11 {[%cal Rf8f4]} 29. Bxe6+ Qxe6 30. Qh6 $1 Ne4 31. f3 Rf5 32. fxe4 Rh5 $1 {[%cal Rh5h6]} 33. Qf4 $1 {[%cal Rf4b8]} Rf8 34. Qg3 (34. exd5 $11 Qxd5 35. Qg4) 34... Qf6 $17 35. e5 (35. Rf3 $142 Rg5 36. Rxf6 Rxg3 37. Rd6) 35... Qg5 (35... Qf5 $17 {zielt auf ...Tg5 ab.} 36. Rd1 Rf7) 36. Qxg5 $11 Rxg5 {[%mdl 4096] Endspiel KTT-KTT} 37. e6 (37. Rb1 $11 {hält das Gleichgewicht.}) 37... Re8 (37... Kg7 {feels hotter.} 38. e7 Re8 39. a4 a6 40. Kf2 Rf5+) 38. Re5 Rxe5 39. Rxe5 $15 {KT-KT} a6 40. Kf2 Kg7 41. Rxd5 Kf6 42. Rc5 Kxe6 (42... b5 {with more complications.} 43. a4 Rb8 44. Rc6 bxa4 45. Ke3 Rb2) 43. Rxc4 Kd5 44. Rd4+ Kc5 45. Kf3 b5 46. Rd7 ({Günstiger ist} 46. Rg4 $11) 46... Re6 47. g4 {[#]} Rc6 ({Besser ist} 47... a5 $1 $17) 48. Rd4 (48. Ke3 $11) 48... a5 (48... Kb6 $17 49. Rd3 Rc4) 49. Ke3 {Die Stellung ist ausgeglichen.} Rf6 50. Rd8 Re6+ 51. Kd3 Re5 52. Rc8+ Kd5 53. Rb8 Kc5 54. Rc8+ Kd6 55. Ra8 Rd5+ 56. Ke4 {Und Td8+ würde nun gewinnen.} Re5+ 57. Kf3 a4 58. Ra6+ Ke7 59. Rxg6 Rc5 60. Rb6 Rxc3+ {Precision: Weiß = 48%, Schwarz = 38%.} 1/2-1/2

[Event "Saint Louis Invitational A 2017"]
[Site "Saint Louis"]
[Date "2017.11.21"]
[Round "8"]
[White "Chirila, Ioan-Cristian"]
[Black "Sadorra, Julio-Catalino"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2557"]
[BlackElo "2558"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,50,0,-9,10,0,1,-16,-6,-12,-22,-25,0,-15,0,0,0,-9,0,-4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. b3 O-O 6. Bb2 b6 7. c4 Bb7 8. e3 c5 9. Qe2 {LiveBook: 326 Games} Qc8 {A14: English Opening: 1...e6 with b3 by White} (9... Nbd7 10. Rd1 Qc7 11. Nc3 a6 12. cxd5 Nxd5 13. Nxd5 Bxd5 14. e4 Bb7 15. d4 Rfe8 16. dxc5 bxc5 17. Nd2 Rad8 18. Nc4 Nb6 19. Be5 Qc6 {½-½ (58) Anand,V (2779)-Wojtaszek,R (2749) Doha 2016}) 10. d3 Rd8 11. Nbd2 Nc6 12. h3 $146 ({Predecessor:} 12. Rad1 Qc7 13. h3 a6 14. a3 b5 15. cxd5 exd5 16. Rc1 Qd6 17. Rc2 Re8 18. Rfc1 d4 19. e4 Bf8 20. g4 Rad8 21. Nh4 Nd5 22. Qf3 {0-1 (22) Becelic,D (2169)-Vulinovic,R (2198) Belgrade 2017}) 12... a5 13. a4 Nb4 14. Rad1 {The position is equal.} Ra7 {[%cal Ba8a7,Ba7d7,Bd7c7,Bc7c4][%mdl 32]} 15. Nb1 {[%cal Bd2b1,Bb1c3,Bc3b5,Bb5a7][%mdl 32]} dxc4 16. bxc4 Bc6 17. Nc3 Bxf3 18. Bxf3 Rad7 {[%cal Rb4d3]} 19. d4 cxd4 20. exd4 Rc7 21. Nb5 Rxc4 22. Na7 $1 {[%cal Ra7c8]} Qc7 23. Nb5 Qc8 24. Na7 $1 {[%cal Ra7c8]} Qc7 25. Nb5 Qc8 {Precision: White = 66%, Black = 54%.} 1/2-1/2

[Event "Saint Louis Invitational A 2017"]
[Site "Saint Louis"]
[Date "2017.11.21"]
[Round "8"]
[White "Burke, John M"]
[Black "Gurevich, Daniel"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "2502"]
[BlackElo "2471"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,85,0,-31,77,70,86,77,75,16,51,41,79,76,94,102,74,52,63,58,81,70,102,109,106,112,110,68,73,73,82,86,84,77,81,90,79,62,59,14,14,0,8,7,14,14,57,57,57,58,83,77,77,77,77,78,86,0,68,70,66,56,70,40,89,0,0,0,0,0,0,0]} 1. e4 c6 2. Nc3 d5 3. Nf3 Nf6 4. e5 Ne4 5. Ne2 Qb6 6. d4 {B11: Caro-Kann: Two Knights Variation} e6 7. Ng3 c5 8. Bd3 Nxg3 (8... Nc6 9. Nxe4 dxe4 10. Bxe4 cxd4 11. O-O Bd7 12. a3 h6 13. Re1 {1-0 (71) Short,N (2675)-Caruana,F (2827) Caleta 2017}) 9. fxg3 {LiveBook: 3 Games} c4 $146 (9... cxd4 $15 {stays ahead.} 10. Qe2 h6) ({Predecessor:} 9... h6 10. O-O Nc6 11. dxc5 Bxc5+ 12. Kh1 Qc7 13. Qe2 {½-½ (28) Rambaldi,F (2559)-Shimanov,A (2642) New York 2017}) 10. Be2 $16 Be7 11. O-O Nc6 12. g4 (12. b3 $16) 12... Bd7 13. c3 f6 14. exf6 gxf6 15. g5 O-O-O 16. gxf6 Bxf6 17. Kh1 Rhg8 18. b3 cxb3 19. axb3 e5 20. dxe5 Nxe5 21. Nxe5 Bxe5 22. Qxd5 Qg6 23. Bf3 {[%csl Gf3][%cal Rd5b7]} ({But not} 23. Rxa7 $2 Bc6 $19) 23... Bc6 {[#]} 24. Qc4 $1 {Threatens to win with Be3.} Rdf8 {White must now prevent ...Rxf3!} 25. Bxc6 Qxc6 26. Qxc6+ (26. Rxf8+ {with more complications.} Rxf8 27. Qg4+ Kb8 28. Be3 a6 29. Rc1) 26... bxc6 {[%cal Rf8f1]} 27. Be3 {Strongly threatening Rfc1.} (27. Rd1 {looks sharper.} Rd8 28. Bd2 Rge8 29. Be1 Rxd1 30. Rxd1 a5 31. c4) 27... Bxc3 28. Rxf8+ Rxf8 $11 {[%mdl 4096] Endgame KRB-KRB} 29. Rc1 Bb2 30. Rb1 Re8 31. Bxa7 Re2 32. g3 Kb7 33. Bg1 Kc7 34. Rf1 Kd6 35. Rf7 h6 36. Bf2 (36. Rf2 $16 Rxf2 37. Bxf2) 36... Bc1 (36... c5 $11) 37. Kg2 $14 Rb2 38. Rf3 Ke5 39. h4 Ke4 40. g4 ({Better is} 40. Rc3 $16 Bd2 41. Rxc6) 40... Bf4 $11 {The position is equal.} 41. Rh3 Be5 42. g5 hxg5 (42... Bd4 $5 43. Rf3 $8 hxg5 44. hxg5 Bxf2 45. Rxf2 Rxb3 $11) 43. hxg5 {Precision: White = 63%, Black = 39%.} 1/2-1/2

[Event "Saint Louis Invitational A 2017"]
[Site "Saint Louis"]
[Date "2017.11.21"]
[Round "8"]
[White "Zierk, Steven"]
[Black "Hambleton, Aman"]
[Result "1/2-1/2"]
[ECO "B47"]
[WhiteElo "2493"]
[BlackElo "2484"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 30,73,42,40,49,10,16,16,10,4,42,0,4,5,5,5,5,6,50,50,50,50,50,49,50,59,78,22,31,19,7,0,31,41,37,0,31,18,23,0,0,0,0,0,61,0]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. g3 a6 7. Bg2 Nf6 8. O-O Nxd4 9. Qxd4 Bc5 10. Bf4 d6 11. Qd2 h6 12. Rad1 e5 13. Be3 Bg4 14. Bxc5 dxc5 15. Qd6 {B47: Sicilian: Taimanov: 5 Nc3 Qc7 6 f4, 6 g3 and 6 Be2} Qxd6 16. Rxd6 {LiveBook: 3 Games} Nd7 17. Nd5 $146 {White wants to play f3.} ({Predecessor:} 17. f4 O-O-O 18. f5 Bh5 19. Bf3 Bxf3 20. Rxf3 Nf6 21. Rfd3 Rxd6 22. Rxd6 {½-½ (46) Raetsky,A (2405)-Ivanisevic,I (2662) Biel 2015}) 17... O-O-O $1 18. f4 Be6 19. Rd1 Nf6 (19... Nb8 $5 {[%cal Rd8d6]} 20. Nb6+ (20. fxe5 Nd7 $11) 20... Kc7 21. fxe5 Nd7 22. Nxd7 Rxd7 $14) 20. fxe5 Nd7 21. Nf4 Nxe5 22. Nxe6 fxe6 23. Bh3 Kc7 24. Rxd8 Rxd8 25. Rxd8 Kxd8 26. Bxe6 $14 {[%mdl 4096] Endgame KB-KN} g5 27. Kf2 a5 28. h4 (28. a4 $16) 28... Ke7 29. Bd5 {Hoping for hxg5.} b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 30. Ke3 b4 31. hxg5 hxg5 32. Kd2 Nf3+ 33. Ke2 Ne5 34. c3 bxc3 35. bxc3 Kd6 36. Kd2 Kc7 ({Black should try} 36... Ng4 $11) 37. Ke3 {Precision: White = 32%, Black = 55%.} (37. Kc2 $1 $14) 1/2-1/2

[Event "Saint Louis Invitational A 2017"]
[Site "Saint Louis"]
[Date "2017.11.21"]
[Round "8"]
[White "Ashwin, Jayaram"]
[Black "Bartholomew, John"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2474"]
[BlackElo "2442"]
[Annotator "TA"]
[PlyCount "119"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,119,17,34,25,23,26,21,-1,2,0,1,-7,0,-11,-11,-57,-57,-58,-60,-59,-37,-54,-60,-28,0,0,0,0,0,-18,-5,-50,-41,-62,-62,-75,-62,-62,-62,-61,-54,-55,-55,-54,-54,-55,-55,-58,-62,-65,-70,-73,-74,-87,-88,-102,-102,-92,-37,-29,0,0,0,0,0,0,0,0,0,-52,0,0,0,-62,-62,-54,0,0,0,0,0,0,0,0,0,0,0,-15,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. Nf3 Nf6 3. Bf4 c5 4. e3 cxd4 5. exd4 Nc6 6. c3 a6 {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack} (6... Bg4 7. Qb3 Na5 8. Qa4+ Bd7 9. Qc2 Nc6 10. Nbd2 Rc8 11. Qb3 Na5 12. Qd1 Nc6 13. h3 g6 14. Bd3 Bg7 {1-0 (40) Anand,V (2783)-Santos Latasa,J (2542) Leon 2017}) 7. Bd3 Bg4 8. Nbd2 e6 9. Qb3 Qc8 {LiveBook: 4 Games} 10. h3 Bh5 11. Nh4 $146 ({Predecessor:} 11. Ne5 Be7 12. O-O O-O 13. Rfe1 Nxe5 14. Bxe5 {½-½ (40) Sveshnikov,E (2512)-Spassov,L (2335) Golden Sands 2013}) 11... Be7 12. g4 Bg6 13. Nxg6 hxg6 14. Qd1 e5 15. dxe5 Nxg4 16. Qe2 Qe6 $1 {[%cal Rg4e5]} 17. Nf3 Rh5 $1 18. O-O-O Ngxe5 19. Nxe5 Nxe5 20. Bc2 O-O-O 21. Rhe1 {[%cal Rf4e5]} Bd6 22. Bg3 Bc7 23. h4 Qf6 24. Qe3 Nc6 25. Bb3 Bxg3 26. fxg3 d4 27. cxd4 Nxd4 28. Kb1 Nxb3 29. Rxd8+ Qxd8 30. Qxb3 $15 {[%mdl 4096] Endgame KQR-KQR} Rd5 31. a3 Kb8 32. Qa4 {Re8 is the strong threat.} Qf6 33. Re8+ Ka7 34. Qc4 Rb5 {[%csl Gb5][%cal Rf6b2]} 35. Qe2 Qd4 36. Ka2 f6 37. Qc2 a5 (37... g5 $17 38. hxg5 Rxg5) 38. Re7 Qd5+ 39. Ka1 Qh1+ 40. Qb1 Qxb1+ (40... Qg2 {is interesting.} 41. Rxg7 Rb3 42. Qc1 Qd5 43. Qg1+ Ka6) 41. Kxb1 $11 {KR-KR} Rb3 42. Rxg7 Rxg3 {[#]} 43. Rf7 ({White should try} 43. h5 $1 $11 {[%mdl 512]}) 43... Rf3 (43... g5 $1 $15 44. h5 Rh3) 44. Rg7 Rg3 {[#]} 45. Rf7 (45. h5 $1 $11 {[%mdl 512]}) 45... g5 $1 $15 46. h5 Rf3 (46... Rh3 $15) 47. h6 $11 {The position is equal.} g4 48. Ka2 Rf2 49. h7 Rh2 50. Rxf6 Rxh7 51. Rg6 Rh4 52. a4 b6 53. Rg7+ Ka6 54. Kb3 Rh3+ 55. Kc2 Rg3 56. b3 Rg2+ 57. Kb1 g3 58. Kc1 Rg1+ 59. Kb2 Rg2+ (59... b5 $5 60. Rg6+ $8 Kb7 61. axb5 Kc7 $11) 60. Kb1 {Precision: White = 72%, Black = 63%.} 1/2-1/2

[Event "Saint Louis Invitational A 2017"]
[Site "Saint Louis"]
[Date "2017.11.21"]
[Round "8"]
[White "Shetty, Atulya"]
[Black "Sturt, Raven"]
[Result "0-1"]
[ECO "A37"]
[WhiteElo "2403"]
[BlackElo "2449"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,88,10,5,-27,-14,-20,-12,-20,-14,-35,-22,-31,-29,-57,-52,-57,-56,-50,-47,-43,-44,-55,-44,-55,-50,-88,-75,-81,-58,-128,-79,-88,-92,-129,-126,-125,-112,-134,-42,-59,-64,-119,-124,-131,-125,-124,-108,-113,-119,-115,-108,-183,-122,-102,-24,-372,-228,-231,-225,-231,-227,-667,-667,-937,-923,-899,-877,-1181,-863,-1576,-1542,-1209,-813,-889,-700,-670,-637,-972,-955]} 1. c4 c5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. Nf3 d6 6. O-O Bf5 {LiveBook: 196 Games} 7. Qa4 {A37: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3} (7. h3 Rb8 8. d3 Nf6 9. Be3 O-O 10. Qd2 a6 11. Bh6 b5 12. Nd5 Re8 13. Bxg7 Kxg7 14. Nxf6 exf6 {0-1 (79) Kuzubov,Y (2637)-Anton Guijarro,D (2660) Minsk 2017}) 7... Qd7 8. Nd5 {aiming for Nb6!} Rc8 9. d3 {The position is equal.} Bh3 10. Rb1 $146 {Threatening Bxh3.} ({Predecessor:} 10. Bxh3 Qxh3 11. Rb1 Qd7 12. Bd2 e6 13. Nc3 Nge7 14. a3 b6 {½-½ (42) Ivanov,J (2408)-Wirig,A (2491) Sautron 2009}) 10... Bxg2 11. Kxg2 e6 12. Nc3 Nge7 13. a3 O-O 14. Bd2 b6 15. b4 f5 16. Qd1 h6 17. b5 Nd4 18. e3 Nxf3 19. Qxf3 d5 20. Rbd1 (20. cxd5 $15 g5 21. h4) 20... Rcd8 21. Be1 e5 22. a4 g5 23. cxd5 Nxd5 {[%cal Be7d5,Bd5b4,Bb4d3][%mdl 32]} 24. e4 g4 (24... Nb4 $17 25. exf5 Rxf5) 25. Qe2 $15 Nb4 26. exf5 ({White should play} 26. f3 $15) 26... Qxf5 $17 {[%cal Rb4d3]} 27. f3 gxf3+ ({Don't play} 27... Rxd3 28. Rxd3 Qxd3 29. Qxd3 $15) 28. Rxf3 Qxf3+ 29. Qxf3 Rxf3 30. Kxf3 Nxd3 31. Ne4 (31. Ke2 $17 c4 32. Bf2) 31... Rd4 (31... Nxe1+ $19 32. Rxe1 Kf7) 32. a5 c4 ({Better is} 32... Nxe1+ $17 33. Rxe1 Kh7) 33. Nf2 $2 {[%mdl 8192] [#]} (33. axb6 $11 axb6 34. Bc3) 33... e4+ $1 {[%mdl 512]} 34. Ke3 (34. Nxe4 Ne5+) 34... Nxe1 35. Rxe1 bxa5 36. Nxe4 $2 $19 {[%mdl 4096] Endgame KRB-KRN} (36. Ra1) 36... a4 {[%cal Ba5a4,Ba4a3,Ba3a2][%mdl 32] Black is clearly winning.} 37. Re2 Rd3+ 38. Kf4 a3 39. Kf5 Kf7 40. Rc2 Bb2 41. Rxc4 Rd5+ 42. Kf4 a2 43. Rc7+ Ke6 {[#] ( -> ...Be5+)} 44. Rc6+ Kd7 {Precision: White = 25%, Black = 65%.} 0-1

[Event "Saint Louis Invitational A 2017"]
[Site "Saint Louis"]
[Date "2017.11.22"]
[Round "9"]
[White "Sadorra, Julio-Catalino"]
[Black "Shetty, Atulya"]
[Result "1/2-1/2"]
[ECO "D10"]
[WhiteElo "2558"]
[BlackElo "2403"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,77,19,25,0,40,13,18,0,0,0,0,2,23,26,15,13,14,16,22,-11,-12,-10,0,-56,-32,-82,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bf4 Nf6 5. Nc3 Nc6 6. e3 a6 7. Bd3 Bg4 8. Nge2 e6 {[%cal Be7e6,Be6e5][%mdl 32]} 9. O-O Bd6 10. f3 {D10: Slav Defence: 3 cxd5 (without early Nf3) and 3 Nc3} Bh5 11. Rc1 O-O 12. Na4 e5 {LiveBook: 3 Games} 13. Bg5 {[#]} Bg6 $146 ({Predecessor:} 13... exd4 14. exd4 Bg6 15. Bxg6 hxg6 16. Nac3 Ne7 17. Qd2 Rc8 {½-½ (45) Blagojevic,D (2522)-Rodshtein,M (2609) Dresden 2008}) 14. Nc5 {Threatens to win with Bxg6.} Qe7 15. Nc3 {Nxd5! is the strong threat.} Bxc5 16. Bxg6 hxg6 17. Bxf6 $1 Qxf6 18. Nxd5 Qe6 $1 {[%cal Rc5d4] Strongly threatening ...Bxd4.} 19. dxc5 {aiming for Nc7.} Rad8 20. e4 Nb4 $1 {[%cal Rb4d5]} 21. Nxb4 Rxd1 22. Rfxd1 Qe8 23. Nd5 (23. Rc4 $11) 23... Qa4 $15 {[%mdl 1024] Black has compensation.} 24. Rd3 {[#]} g5 ({Don't blunder} 24... Qxa2 $2 25. Ne7+ Kh7 {[#]} 26. f4 $1 $18 {[%mdl 512]}) ({Better is} 24... f5 $1 $17 25. exf5 gxf5) 25. a3 {The position is equal.} g6 26. b4 a5 27. h3 axb4 28. axb4 Ra8 29. Rdc3 Rd8 30. c6 bxc6 $1 31. Rxc6 Qb3 32. Kh2 Kg7 33. Ra1 g4 34. hxg4 Qb2 35. Rac1 Qf2 {[%cal Rd8h8]} 36. Rc8 Rxc8 37. Rxc8 Qh4+ 38. Kg1 Qe1+ 39. Kh2 {Precision: White = 45%, Black = 79%.} 1/2-1/2

[Event "Saint Louis Invitational A 2017"]
[Site "Saint Louis"]
[Date "2017.11.22"]
[Round "9"]
[White "Hambleton, Aman"]
[Black "Burke, John M"]
[Result "0-1"]
[ECO "D45"]
[WhiteElo "2484"]
[BlackElo "2502"]
[Annotator "TA"]
[PlyCount "118"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,118,-18,-21,-10,-16,-17,-16,-4,-18,-16,-6,0,0,0,0,0,0,0,-5,-5,-13,-7,-7,-7,-9,-4,-9,-9,-27,-28,-64,-55,-99,-99,-99,-99,-99,-99,-99,-99,-99,-99,-99,-99,-99,-99,-99,-99,-99,-99,-99,-99,-99,-71,-99,-99,-108,-108,-108,-108,-108,-51,-1168,-1115,-1072,-536,-282,-251,-231,0,-5097,-2215,-1447,-69,-69,0,0,0,-69,-69,-69,-69,-69,-69,-69,-69,-266,-238,-5065,-5065,-5065,-4133,-1668,-1408]} 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Qc2 Bd6 7. e4 Nxe4 8. Nxe4 dxe4 9. Qxe4 e5 10. dxe5 O-O {D45: Semi-Slav: 5 e3} 11. Bd3 (11. exd6 Re8 12. Qxe8+ Qxe8+ 13. Be3 Nf6 14. Bd3 Be6 15. O-O-O b5 16. c5 Bxa2 17. Bg5 Nd7 18. Rhe1 Be6 19. Be3 h6 {1-0 (32) Mamedyarov,S (2729)-Brkic,A (2587) Istanbul 2012}) 11... f5 12. Qe2 Nxe5 13. Nxe5 Bxe5 14. O-O {LiveBook: 4 Games} Re8 15. Qf3 $146 ({Predecessor:} 15. Qc2 Qf6 16. Rb1 Be6 17. h3 Rad8 18. Be3 {0-1 (32) Bombek,P (2248)-Matsenko,S (2367) Pardubice 2006}) 15... Qf6 16. Rb1 Be6 17. b3 Rad8 18. Ba3 Rd7 (18... g5 {is interesting.} 19. Rbe1 g4 20. Qe2 Bc3 21. Rd1 Kg7) 19. Rbd1 Red8 20. Bc1 Bb2 21. Bxb2 Qxb2 $40 {[%mdl 128] Black is up to no good.} 22. Qe3 Bf7 23. Qe2 Qxe2 24. Bxe2 Rd2 25. f4 Kf8 26. Bf3 Ke7 27. Rfe1+ Be6 28. Rxd2 Rxd2 29. Re2 Rxe2 30. Bxe2 $17 {[%mdl 4096] Endgame KB-KB} Kd6 $1 31. b4 {[#]} a5 $1 {[%mdl 512]} 32. a3 (32. bxa5 Kc5) 32... axb4 33. axb4 c5 34. b5 Kc7 $1 35. Kf2 Kb6 $1 36. Ke3 Ka5 $1 {And now ...b6 would win.} 37. b6 Kxb6 38. Kd2 Ka5 39. Kc3 Ka4 40. Bd3 g6 41. h3 Bd7 42. Be2 h5 43. g3 Ka3 (43... Bc6 $17 44. Bd3 Ka5) 44. h4 $2 {[%mdl 8192]} (44. Bf3 $15) 44... Ka2 45. Bd3 Ba4 46. Be2 Kb1 47. Bf3 {[#]} Bc6 $2 (47... b6 $1 $19 48. Bd5 Be8) 48. Bd1 $2 {[%mdl 8192]} (48. Bd5 $11) 48... Kc1 $19 49. Bc2 Be4 $2 (49... b5 $19 50. cxb5 Bxb5) 50. Bb3 b6 (50... Bf3 $15 51. Ba4 Bc6) 51. Ba4 $11 Bf3 {Hoping for ...Be2.} 52. Be8 (52. Kd3 $1 $11) 52... Kd1 $15 {White must now prevent ...Ke1.} 53. Bxg6 Bg4 54. Kd3 $1 Ke1 $1 {[%cal Re1f2]} 55. Ke3 Kf1 $1 {[%cal Rf1g2] aiming for ...Kg2.} 56. Bf7 $2 (56. Be8 $1 $15) 56... Kg2 $19 57. Bd5+ $2 (57. Be8) 57... Kxg3 {Black is clearly winning.} 58. Be6 {[#]} Bh3 $1 59. Bd7 Kg4 {Precision: White = 51%, Black = 74%.} 0-1

[Event "Saint Louis Invitational A 2017"]
[Site "Saint Louis"]
[Date "2017.11.22"]
[Round "9"]
[White "Gurevich, Daniel"]
[Black "Ashwin, Jayaram"]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "2471"]
[BlackElo "2474"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,106,35,22,0,0,0,7,13,8,7,16,14,21,12,15,16,26,17,48,33,27,31,36,18,14,6,22,0,0,2,16,16,22,11,10,-16,0,-20,-3,-22,-39,-32,26,-25,0,-78,-71,-78,-42,-100,-98,-89,-70,-158,-20,-20,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. O-O Bg4 5. h3 Bh5 6. c4 {A07: Réti Opening: New York and Capablanca Systems} e6 7. d4 Be7 {LiveBook: 9 Games} 8. cxd5 cxd5 $146 ({Predecessor:} 8... Bxf3 9. Bxf3 cxd5 10. Qb3 Nc6 11. e3 O-O 12. Bd2 Qd7 {1-0 (45) Vachier Lagrave,M (2804)-Dreev,A (2652) Doha 2016}) 9. Qb3 Qb6 10. Qxb6 axb6 11. Nc3 Nc6 12. Be3 Nd7 13. Nb5 {[#] Strongly threatening Nc7+.} O-O 14. Rfc1 Rfc8 15. a3 Na5 16. Rxc8+ Rxc8 17. Rc1 Rc6 18. Rc3 Kf8 19. g4 Bg6 20. Nd2 Bc2 21. b4 Rxc3 22. Nxc3 Nc6 23. f4 Nf6 24. Kf2 Ne8 25. Nf3 Nd6 26. Bc1 (26. f5 $5) 26... Ne4+ 27. Nxe4 dxe4 (27... Bxe4 $15 28. Bb2 h6) 28. Ne5 (28. Ng5 $142) 28... Nxd4 29. Ke3 (29. Nd7+ $11 {keeps the balance.} Ke8 30. Nxb6) 29... Nb3 $17 30. Bb2 f5 31. g5 ({White should play} 31. Nd7+ $15 Ke8 32. Nxb6) 31... b5 32. Bc3 Bd6 33. Bf1 (33. h4 $15) 33... Bxe5 (33... Bc7 $17 {( -> ...Bb6+)} 34. Kf2 Bxe5 35. fxe5 Ke7) 34. Bxe5 {[%mdl 4096] Endgame KBB-KBN. The position is equal.} g6 35. Bb2 Ke7 36. h4 Kd6 37. Bh3 Kd5 38. Bg2 Bb1 39. Bh3 Kc4 40. Bf1 Bc2 41. Bg2 b6 42. Bf1 Bb1 43. Bg2 Ba2 44. Bf1 Kd5 45. Bg2 Kc6 46. Bh3 Kd6 47. Bg2 Kd5 48. Bh3 Bb1 49. Bg2 Kc4 50. Bf1 Ba2 51. Bg2 Bb1 52. Bf1 Bc2 53. Bg2 Bb1 {Precision: White = 50%, Black = 55%.} 1/2-1/2

[Event "Saint Louis Invitational A 2017"]
[Site "Saint Louis"]
[Date "2017.11.22"]
[Round "9"]
[White "Sturt, Raven"]
[Black "Zierk, Steven"]
[Result "0-1"]
[ECO "D19"]
[WhiteElo "2449"]
[BlackElo "2493"]
[Annotator "TA"]
[PlyCount "146"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,146,4,8,-11,0,-27,-20,-30,-19,-39,8,0,0,0,0,0,0,0,0,-20,-7,-26,0,0,10,10,6,21,19,-24,-24,-37,-25,-25,0,0,0,-19,0,0,0,0,0,-191,-195,-322,-295,-348,-361,-343,-327,-326,-338,-385,-169,-672,0,-377,-313,-300,-295,-671,-625,-538,0,-658,-647,-631,-382,-318,0,-616,-505,-471,-365,-1202,-1202,-1001,-984,-1001,-1001,-758,-343,-343,-343,-343,-336,-336,-259,-336,-331,-290,-277,-499,-503,-488,-479,-479,-437,-429,-429,-415,-399,-497,-495,-468,-424,-486,-472,-697,-670,-675,-671,-606,-602,-29982,-29983,-29998,-29998,-29998,-29999]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. O-O O-O 9. Qe2 Nbd7 10. e4 Bg6 11. Bd3 Bh5 12. Bf4 Re8 13. e5 Nd5 14. Nxd5 cxd5 15. Rfc1 {[#] D19: Slav Defence: 5 a4 Bf5 6 e3: Main line with 9 Qe2} Nb8 $146 ({Predecessor:} 15... a6 16. Rc2 Nb8 17. Qe3 Bxf3 18. Qxf3 Nc6 19. Be3 Be7 20. Rc3 g6 21. Qd1 Nxe5 22. dxe5 d4 23. Bxg6 dxc3 24. Bxh7+ Kxh7 25. Qh5+ Kg8 26. Qg4+ {½-½ (26) Bacrot,E (2714)-Mastrovasilis,D (2621) Warsaw 2011}) 16. h3 Nc6 {Threatens to win with ...Nxd4!} 17. g4 {The position is equal.} Bg6 18. h4 Qb6 19. Qe3 Rac8 20. h5 Bxd3 21. Qxd3 Be7 22. h6 g6 23. Be3 a6 24. Kg2 Rc7 25. Bd2 Rec8 26. a5 Qa7 27. Qe3 Qb8 28. Qb3 Na7 29. Rxc7 Rxc7 30. Bb4 Qf8 31. Bxe7 Qxe7 32. Qe3 Qf8 33. Rc1 Rxc1 34. Qxc1 Nc6 35. Qc3 $2 (35. g5 $11) 35... Qxh6 $19 36. g5 (36. Kg3 $142) 36... Qh5 37. Kg3 h6 38. gxh6 Ne7 (38... Qxh6 39. Qc5 $17) 39. Kg2 Nf5 (39... Qxh6 40. Qc7 $17) 40. Nh2 {If only White now had time for Qc8+....} Nh4+ (40... Qg5+ $142 41. Kf1 Qxh6) 41. Kg3 $2 (41. Kh3) 41... Nf5+ 42. Kg2 Qxh6 43. Qc8+ Kg7 44. Qxb7 $2 (44. Qd8) 44... Nh4+ 45. Kh3 Nf5+ 46. Kg2 Qg5+ 47. Kf1 Qc1+ 48. Kg2 Qg5+ $2 ({But not} 48... Nxd4 49. Qxa6 Qg5+ 50. Kh1 $19) (48... Nh4+ 49. Kh3 Qg1) 49. Kf1 Qf4 {[#] Strongly threatening ...Ng3+.} 50. Kg1 Nh4 51. Qxa6 $2 (51. Qb3) 51... Qg5+ 52. Kf1 Qc1+ 53. Ke2 Qc2+ 54. Ke1 Qxb2 (54... Ng2+ $142 55. Kf1 Nf4) 55. Qd3 Ng2+ 56. Kf1 Nf4 {[#] ( -> ...Qc1+)} 57. Qd1 {If White can now play Nf3 this consolidates a bit.} Qa3 58. Nf3 Qxa5 59. Kg1 Qa2 60. Qe1 $2 (60. Ne1 {was worth a try.}) 60... Qc2 {And now ...Qf5 would win.} 61. Qe3 Qf5 62. Ne1 Qg4+ 63. Kf1 g5 64. Qf3 Qf5 65. Kg1 Qb1 66. Qe3 Qd1 67. Kh2 Kg6 68. Nf3 (68. f3 $142) 68... Qf1 {[%csl Gf4][%cal Rf1g2]} 69. Nh4+ Kh5 ({Weaker is} 69... gxh4 70. Qxf4 Qe2 71. Qf6+ Kh5 72. Qxf7+ Kg5 73. Qf6+ Kh5 74. Qxe6 $11) 70. Qg3 {intending Nf3.} Ne2 ({Worse is} 70... gxh4 71. Qxf4 Qd3 72. Qxf7+ Qg6 73. Qf3+ Qg4 74. Qf7+ Qg6 75. Qf3+ Qg4 76. Qf7+ Qg6 $11) 71. Qf3+ Kxh4 {[%csl Ge2][%cal Rf1g1] Black mates.} 72. Qg4+ Kxg4 {[%csl Gg4][%cal Rf1h3]} 73. f3+ Kh4 {Precision: White = 37%, Black = 68%.} 0-1

[Event "Saint Louis Invitational A 2017"]
[Site "Saint Louis"]
[Date "2017.11.22"]
[Round "9"]
[White "Bartholomew, John"]
[Black "Chirila, Ioan-Cristian"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "2442"]
[BlackElo "2557"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,86,15,15,16,12,8,10,20,13,16,-24,-11,-8,-10,-15,-8,-18,-16,-14,-16,0,0,-25,-12,-17,-12,-10,-8,-8,0,0,19,-37,-37,-33,-35,-39,-20,-26,0,0,0,-2,0,-45,-45,-45,-45,-45,-17,-20,-22,-50,-20,-27,0,0,0,0,0,0,0,0,0,0,-1,-3,0,-8,-8,-8,-8]} 1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 O-O 5. e3 d6 6. Bd3 c5 7. c3 Nc6 8. O-O cxd4 {A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems} 9. cxd4 {LiveBook: 6 Games} h6 10. Bh4 e5 11. dxe5 (11. Bxf6 Bxf6 12. dxe5 dxe5 13. Be4 Be6 14. Bxc6 bxc6 {½-½ (62) Indjic,A (2591)-Melkumyan,H (2642) Heraklio 2017}) 11... dxe5 12. Bb5 Ne7 $146 ({Predecessor:} 12... Qe7 13. Bxc6 bxc6 14. Bxf6 Bxf6 {0-1 (41) Rajnak,D (2239)-Demeter,P (2348) Slovakia 2002}) 13. e4 ({Wrong is} 13. Nxe5 $2 Qd5 $19) 13... a6 14. Ba4 b5 15. Bb3 Nh5 16. a4 Bb7 17. axb5 axb5 18. Rxa8 Bxa8 19. Bg3 (19. Bxe7 $5 Qxe7 20. Qe2 $11) 19... Nf4 20. Bxf4 exf4 21. Qe2 Qb6 22. e5 Nf5 23. Re1 Kh7 24. h3 (24. h4 $11) 24... Nd4 $15 25. Nxd4 Qxd4 26. Nf3 Qb4 (26... Bxf3 $5 27. gxf3 b4 $15) 27. Ba2 Re8 28. Rd1 Bxf3 29. Qxf3 Re7 30. Qa3 (30. e6 $5 {[%cal Re6f7]}) 30... Qxa3 31. bxa3 Bxe5 {[%mdl 4096] Endgame KRB-KRB} 32. Rd5 Bc7 {And now ...Re1+ would win.} 33. Kf1 Ba5 {[%csl Ga5][%cal Re7e1] [#]} 34. f3 Re1+ 35. Kf2 Re3 36. Rxb5 {The position is equal.} Be1+ 37. Kf1 Bg3 {[%csl Gg3][%cal Re3e1] [#]} (37... Bh4 $5 38. Rb1 $8 Rxa3 39. Bxf7 g5 $11) 38. Rb1 Rxa3 39. Bxf7 Rc3 40. Rb6 Kg7 41. Bd5 Re3 {[%csl Gg3][%cal Re3e1]} 42. Re6 Rxe6 43. Bxe6 Kf6 {Precision: White = 65%, Black = 68%.} 1/2-1/2

