[Event "Varennes Open-ch 2017"]
[Site "Varennes"]
[Date "2017.10.06"]
[Round "1.1"]
[White "Bruzon Batista, Lazaro"]
[Black "Libersan, Thierry"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "2660"]
[BlackElo "2086"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2017.10.06"]
[EventCountry "CAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,62,66,70,64,88,53,71,66,132,142,225,235,304,307,297,211,223,206,249,210,218,225,237,227,275,281,281,288,274,284,275,287,275,214,273,274,382,375,383,385,452,454,595,607,606,592,589,586,638,635,1035]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 b5 6. O-O Bb7 7. a4 {B42: Sicilian: Kan Variation: 5 Bd3} b4 {LiveBook: 17 Games} 8. Re1 (8. Nd2 d6 9. a5 Nd7 10. Nc4 Ngf6 11. Qe2 Be7 12. Bd2 d5 13. exd5 Nxd5 14. Rfe1 Nc5 {½-½ (90) Sai,K (2358)-Deepan Chakkravarthy,J (2509) Mumbai 2014}) 8... Nf6 9. e5 $146 {White is better.} ({Predecessor:} 9. c3 Nc6 10. e5 Nd5 11. Nxc6 Bxc6 12. c4 {0-1 (37) Nwachukwu,C (1926)-Campos Calvo,S (2028) Caleta 2012}) 9... Nd5 $1 10. Nd2 Qc7 (10... Nc6 $14 11. Nxc6 Bxc6) 11. Nc4 $16 {aiming for Nf5!} Nc6 {[#]} (11... Be7 $16 {might work better.} 12. Qg4 Kf8) 12. Nf5 $1 $18 {[%mdl 512]} O-O-O (12... exf5 13. Nd6+) 13. Nfd6+ Kb8 14. Nxf7 Bc5 15. Nxh8 Rxh8 16. Qh5 Rf8 17. Rf1 g6 18. Qg5 Bd4 19. Qh6 Bc5 20. Nd6 ({Don't take} 20. Qxh7 $6 Nxe5 21. Nxe5 Qxe5 $18) 20... Bxd6 21. exd6 Qxd6 22. Qxh7 Ne5 {[%cal Bc6e5,Be5d3,Bd3f4,Bf4e2][%mdl 32]} 23. Be2 {[%cal Bd3e2,Be2d1,Bd1f3][%mdl 32]} Rc8 24. Bd1 b3 25. cxb3 Nd3 26. Bf3 Qe5 {Strongly threatening ...Rh8.} 27. Qxg6 {White is clearly winning.} N5f4 28. Bxf4 $1 Nxf4 29. Qg3 Bxf3 30. Qxf3 Ne2+ 31. Kh1 Qxh2+ {Precision: White = 79%, Black = 47%.} 1-0

[Event "Varennes Open-ch 2017"]
[Site "Varennes"]
[Date "2017.10.06"]
[Round "1.2"]
[White "Ouellet, Maili-Jade"]
[Black "Lenderman, Aleksandr"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2084"]
[BlackElo "2591"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2017.10.06"]
[EventCountry "CAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,68,3,10,0,-6,8,4,33,-4,8,-27,-17,-52,-50,-46,-40,-162,-116,-160,-150,-197,-204,-197,-188,-215,-215,-218,-218,-243,-218,-209,-204,-534,-527,-528,-534,-534,-534,-527,-527,-518,-518,-503,-493,-579,-564,-563,-545,-548,-524,-725,-711,-733,-747,-942,-887,-974,-967,-1398,-1424]} 1. d4 e6 2. c4 b6 3. Nc3 Bb7 4. e4 Bb4 5. Qc2 Qh4 6. Bd3 {Black should prevent Nf3.} Bxc3+ {A40: Unusual replies to 1 d4} 7. bxc3 f5 $1 {[%cal Rb7e4]} 8. g3 Qh5 {The position is equal.} 9. f3 $1 {[%cal Re4f5]} Ne7 10. Qg2 $146 ({Predecessor:} 10. Ne2 Qxf3 11. Rf1 Qg4 12. exf5 Nbc6 13. Nf4 O-O-O 14. fxe6 dxe6 {0-1 (57) Chabanon,J (2485)-Edouard,R (2680) Nimes 2014}) 10... fxe4 11. Bxe4 Bxe4 12. fxe4 O-O 13. Ne2 ({White should play} 13. Qe2 $1 $15 Qf7 14. Nh3) 13... Nbc6 {[%cal Bb8c6,Bc6e7,Be7d5,Bd5e3][%mdl 32]} 14. Nf4 Qa5 15. Bd2 e5 16. Nd5 Qa4 17. Qe2 exd4 {aiming for ...Nxd5.} 18. Nxe7+ Nxe7 19. cxd4 Rae8 20. Bc3 {[#]} d5 $1 {[%mdl 512] Strongly threatening ...c5.} 21. cxd5 $2 {[#]} (21. Rf1) 21... Nxd5 $1 $19 {[%mdl 512] Black is clearly winning.} 22. Rc1 {[#] If only White now had time for Rf1....} (22. exd5 Rxe2+) 22... Rxe4 $1 {[%mdl 512]} 23. Qxe4 Re8 24. Qxe8+ Qxe8+ 25. Kd1 Qe4 26. Re1 Ne3+ 27. Ke2 {Now Kf2 and White clings on.} Ng2+ 28. Kd2 Nxe1 29. Rxe1 {[%mdl 4096] Endgame KQ-KRB} Qd5 30. Re2 Qxa2+ 31. Ke1 Qc4 32. Bb2 a5 {[%cal Ba7a5,Ba5a4][%mdl 32]} 33. Kd1 a4 34. Re3 b5 {Precision: White = 30%, Black = 96%.} 0-1

[Event "Varennes Open-ch 2017"]
[Site "Varennes"]
[Date "2017.10.06"]
[Round "1.3"]
[White "Sambuev, Bator"]
[Black "Bassel, Charaf"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2535"]
[BlackElo "2083"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2017.10.06"]
[EventCountry "CAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,71,9,11,20,25,19,18,22,18,33,14,29,29,39,38,47,37,37,24,15,17,17,22,124,118,124,122,224,166,166,167,156,161,162,165,164,154,190,183,193,186,189,188,251,250,316,265,260,242,247,233,351,322,469,467,629,595,628,611]} 1. Nf3 Nf6 2. c4 c6 3. d4 d5 4. e3 Bg4 5. cxd5 Bxf3 6. Qxf3 cxd5 7. Nc3 {D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4} e6 8. Bd3 {LiveBook: 32 Games} Bb4 9. O-O {The position is equal.} Nc6 10. Bd2 O-O 11. Qh3 $146 ({Predecessor:} 11. Rac1 Rc8 12. a3 Ba5 13. b4 Bc7 14. Qh3 Bd6 {0-1 (26) Leitao,R (2645)-Carlsen,M (2881) Caxias do Sul 2014}) 11... e5 12. dxe5 Nxe5 13. Bc2 {Black must now prevent Nxd5!} g6 14. a3 Ba5 15. b4 Nc4 16. Be1 Bb6 17. Bb3 Rc8 18. Rd1 Nb2 {[#]} (18... Re8 $11 19. Na4 h5) 19. Rxd5 $1 $16 Nxd5 20. Nxd5 Nc4 {[#]} (20... Qd6 $16) 21. Qxc8 $1 {[%mdl 512]} Qxc8 22. Ne7+ Kg7 23. Bc3+ f6 24. Nxc8 Rxc8 {[#]} 25. Rc1 $1 Ne5 26. Kf1 a5 27. Ke2 ({Worse is} 27. bxa5 Bxa5 28. f4 Rxc3 $11) 27... axb4 28. axb4 Ra8 (28... Rc7 {was necessary.} 29. h3 Nf7) 29. Bd5 $18 Ra7 30. Ra1 Rxa1 31. Bxa1 {KBB-KBN} Nc6 32. Bc3 Nd8 (32... Bd8 {is a better defense.} 33. g4 Kf8) 33. f4 Bc7 (33... h6 {was worth a try.} 34. b5 g5) 34. g4 {[%cal Bg2g4,Bg4g5][%mdl 32] White is clearly winning.} Bd6 35. g5 Be7 36. b5 {Precision: White = 85%, Black = 27%.} 1-0

[Event "Varennes Open-ch 2017"]
[Site "Varennes"]
[Date "2017.10.06"]
[Round "1.4"]
[White "Drolet, Stephane"]
[Black "Ortiz Suarez, Isan Reynaldo"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "2076"]
[BlackElo "2528"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2017.10.06"]
[EventCountry "CAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,71,8,17,6,43,34,68,37,35,0,15,15,19,17,17,17,17,17,23,23,23,23,23,0,20,25,11,19,24,19,14,18,8,23,39,29,50,52,50,51,50,49,47,32,41,27,33,22,22,31,36,23,24,31,46,46,46,46,50,40,117,117,183,95]} 1. d4 Nf6 2. Nf3 c5 3. c3 Qc7 4. Bg5 Ne4 5. Bh4 d5 {LiveBook: 5 Games} 6. Nbd2 {A46: 1 d4 Nf6 2 Nf3 e6: Torre, London and Colle Systems} Nc6 7. e3 e6 (7... Bf5 8. Nxe4 dxe4 9. Nd2 e6 10. Bg3 Qd8 11. Bb5 Be7 12. dxc5 Bxc5 {½-½ (73) So,W (2770)-Vachier Lagrave,M (2789) Paris 2016}) 8. Bd3 {White is slightly better.} f5 $146 ({Predecessor:} 8... Nxd2 9. Qxd2 Bd6 10. Bg3 Bd7 11. O-O b6 12. Rfe1 O-O 13. Bxd6 Qxd6 {0-1 (34) Kohtz,A (2129)-Hoffman,A (2454) playchess.com INT 2004}) 9. Bg3 Bd6 10. Bxd6 Qxd6 11. Bb5 O-O 12. Bxc6 bxc6 13. Ne5 Rb8 14. f3 {[%cal Bf2f3,Bf3f4,Bf4e5][%mdl 32]} Nf6 15. Qc2 cxd4 16. exd4 c5 17. Nb3 cxd4 18. cxd4 Nd7 19. f4 Nxe5 20. fxe5 Qb4+ 21. Qc3 Qb5 22. O-O-O Bd7 23. Rd2 Rfc8 24. Nc5 Be8 25. h4 Bh5 26. Re1 Rc7 27. Rc2 Bg6 28. b3 a5 29. a4 Qb6 30. Kb2 Rc6 31. Rec1 Qd8 32. Qe1 h6 33. Rc3 $36 {[%mdl 2048] White is pushing.} Kh7 34. g3 {[%cal Bg2g3,Bg3g4][%mdl 32]} f4 (34... Rcb6 $14) 35. g4 $16 Kh8 (35... h5 $16) 36. Rh3 {Precision: White = 67%, Black = 55%.} (36. Qf2 $18) 1/2-1/2

[Event "Varennes Open-ch 2017"]
[Site "Varennes"]
[Date "2017.10.06"]
[Round "1.5"]
[White "Alvarez Pedraza, Aramis"]
[Black "Robichaud, Louis"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2489"]
[BlackElo "2056"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2017.10.06"]
[EventCountry "CAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,71,35,-6,39,40,110,102,124,114,101,100,137,137,137,135,135,137,135,137,150,94,216,222,380,379,547,370,327,226,257,241,258,258,254,247,254,199,201,162,135,124,170,125,223,222,360,362,338,347,581,567,1060,1047,1044,1022]} 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. Be2 O-O 6. O-O Nbd7 7. h3 Re8 8. c4 b6 9. Nc3 Bb7 10. d5 {LiveBook: 3 Partien. E61: Königsindisch (Abweichungen der Hauptvariante)} (10. Bh2 e5 11. d5 a5 12. b3 Nc5 13. Qc2 Bc8 14. Rad1 Bf5 15. Qc1 Nfe4 16. Nb5 Bd7 17. Ne1 f5 18. f3 {½-½ (72) Nakamura,H (2793)-Caruana,F (2787) Saint Louis 2015}) 10... e5 11. Bg5 e4 $146 ({Günstiger ist} 11... a5 $14) ({Vorgänger:} 11... h6 12. Bh4 a5 13. a3 Qb8 14. Qc2 Nf8 15. Nd2 N6d7 16. e4 g5 17. Bg3 Ng6 {1-0 (28) Gvanceladze,A (2183)-Suslova,A (2194) Loo 2013}) 12. Nd4 $16 {Weiß steht besser.} h6 {[#]} 13. Bh4 $1 g5 14. Bg3 Ne5 15. Qc2 Qd7 16. Rad1 g4 17. hxg4 Nexg4 18. b4 a6 19. Bf4 ({Besser ist} 19. Bh4) 19... Re7 {[#]} (19... Bc8 $16) 20. c5 $1 $18 {[%cal Bc4c5,Bc5c6][%mdl 32]} Nxd5 $2 (20... dxc5 {ist wohl besser.} 21. bxc5 bxc5) 21. c6 Nxb4 (21... Bxc6 $142 22. Bxg4 Qxg4) 22. cxd7 Nxc2 23. Nxc2 ({Bloß nicht} 23. Bxg4 Nxd4 24. exd4 Bc6) 23... Ne5 24. Nd4 Rxd7 25. Nf5 Re8 26. Nd5 Re6 27. Nb4 b5 28. Nxg7 Kxg7 29. Nd5 f5 30. f3 c6 (30... exf3 $16 {war einen Versuch wert.} 31. Bxf3 (31. gxf3 Bxd5 32. Rxd5 c6 $16) 31... Rf7) 31. Nb6 Rd8 (31... Rde7 $142 32. fxe4 fxe4 33. Bxe5+ Rxe5 34. Rxd6 R5e6 35. Rxe6 Rxe6) 32. fxe4 fxe4 33. Bh5 Nd3 $2 (33... Ng6 34. Bg3 d5) 34. Bg3 {Weiß steht klar auf Gewinn.} Rf8 35. Rxf8 Kxf8 36. Rf1+ {Precision: Weiß = 64%, Schwarz = 27%.} 1-0

[Event "Varennes Open-ch 2017"]
[Site "Varennes"]
[Date "2017.10.06"]
[Round "1.6"]
[White "Zotkin, Daniel"]
[Black "Hambleton, Aman"]
[Result "0-1"]
[ECO "B44"]
[WhiteElo "2039"]
[BlackElo "2479"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2017.10.06"]
[EventCountry "CAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,96,28,1,54,-22,-24,-22,0,0,0,-7,5,4,2,11,4,4,12,-14,-7,-13,0,0,0,0,10,0,0,0,26,0,0,-40,5,-21,-24,-19,-19,-39,-48,-45,-34,-77,-63,-166,-169,-164,-164,-169,-168,-167,-161,-167,-169,-160,-160,-156,-159,-317,-317,-345,-350,-344,-308,-362,-351,-363,-362,-430,-422,-439,-422,-520,-553,-531,-528,-750,-746,-865,-845,-801,-824,-839,-825,-1287,-1226,-1243,-1212]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nb5 d6 6. Bf4 {Threatens to win with N1c3.} Ne5 {B44: Sicilian: Taimanov: 5 Nb5} ({Black should try} 6... e5 $11 7. Bg5 Be7 8. Bxe7 Kxe7) (6... e5 7. Be3 Nf6 8. Bg5 Be6 9. c4 Be7 10. N1c3 O-O 11. Be2 a6 12. Na3 Nxe4 13. Bxe7 Nxc3 14. Bxd8 Nxd1 15. Bc7 Nxb2 16. Bxd6 Rfd8 {0-1 (27) Leko,P (2730)-Grischuk,A (2783) Beijing 2013}) 7. Qd4 ({White should play} 7. N1a3 $14) 7... a6 $1 $11 {[%cal Ra6b5]} 8. N5c3 Qc7 {The position is equal.} 9. Na3 $146 ({Predecessor:} 9. a4 Nf6 10. Be2 Be7 11. O-O O-O 12. Na3 b6 13. Rad1 Bb7 14. Qe3 {0-1 (28) Zubov,A (2586)-Dubov,D (2416) Voronezh 2010}) 9... Nf6 10. O-O-O Be7 11. Nc4 Nxc4 12. Qxc4 ({Don't blunder} 12. Bxc4 $2 e5 $19) 12... Qxc4 13. Bxc4 b5 14. Bd3 Bb7 15. f3 Nd7 16. a3 Rc8 17. Be2 Ne5 18. Kb1 g5 19. Bg3 Rg8 20. Rd2 Bc6 21. Bd3 Ng6 22. Ne2 h5 {[%cal Bh7h5,Bh5h4,Bh4h3][%mdl 32]} 23. Nd4 Bb7 24. Nb3 h4 25. Bf2 h3 26. g3 Ne5 27. Be2 (27. Nd4 $1 $15) 27... g4 $19 28. Na5 {[#]} Ba8 $1 ({Much less strong is} 28... gxf3 29. Nxb7 fxe2 30. Rxe2 $15) 29. f4 Bxe4 30. Re1 Nf3 $36 {[%mdl 2048] Keeping White busy.} 31. Bxf3 Bxf3 32. Nb3 d5 33. Bd4 Be4 34. Bc3 $2 {[#]} (34. Ka1 $17) 34... Bxa3 $1 {[%mdl 512]} 35. bxa3 {Black must now prevent Bb4.} Rxc3 36. Kb2 Rc4 37. Na5 Rc7 38. Nb3 Ke7 39. Nd4 Rgc8 {Black is clearly winning.} 40. Ree2 f6 {[%cal Bf7f6,Bf6e5,Be5e4][%mdl 32]} 41. Rf2 e5 42. fxe5 fxe5 43. Nf5+ Ke6 44. Ne3 Bf3 45. Nd1 d4 46. Kb1 Rc4 47. Nb2 e4 48. Nxc4 Rxc4 {Precision: White = 37%, Black = 69%.} 0-1

[Event "Varennes Open-ch 2017"]
[Site "Varennes"]
[Date "2017.10.06"]
[Round "1.7"]
[White "Vera Gonzalez-Quevedo, Reynaldo"]
[Black "Durette, Francis"]
[Result "1-0"]
[ECO "E94"]
[WhiteElo "2446"]
[BlackElo "2032"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2017.10.06"]
[EventCountry "CAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,65,37,39,52,36,39,36,39,37,34,22,58,23,27,18,57,69,54,58,113,54,72,46,27,21,23,19,54,0,0,5,182,184,1218,1218,1152,1156,1052,1051,29991,29992,29992,29993]} 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d6 5. e4 O-O 6. Be2 e5 7. O-O exd4 8. Nxd4 Re8 9. f3 Nc6 10. Be3 Nh5 11. Qd2 f5 12. Rfd1 {E94: King's Indian: Classical: 6 Be2 e5 7 0-0: Various Black 7th moves} (12. Nxc6 bxc6 13. c5 d5 14. Bg5 Nf6 15. exf5 gxf5 16. Bd3 Qe7 17. b4 Bd7 18. Rae1 Qf8 19. Bf4 a5 20. a3 axb4 21. axb4 {1-0 (53) Arsovic,Z (2577)-Smolovic,M (2418) Belgrade 2016}) 12... Nf4 13. Bf1 {LiveBook: 3 Games. aiming for Nxc6.} Ne6 14. Nxe6 {White is slightly better.} Bxe6 15. exf5 Bxf5 16. Nd5 Qd7 17. Rac1 $146 ({Predecessor:} 17. Bh6 Be6 18. Bxg7 Qxg7 19. Rac1 Rad8 20. Qc3 {1-0 (40) Spiess,G (2410)-Hoffmann,H (2300) Germany 1997}) 17... Ne7 18. Bd4 {Strongly threatening Bxg7.} Nxd5 $1 19. cxd5 {Threatens to win with g4.} Qf7 20. Bxg7 Qxg7 21. Qc3 Qh6 (21... Re7 $14) 22. Re1 ({Better is} 22. Qb3 $16) 22... Rac8 23. Bb5 Rxe1+ 24. Rxe1 {And now Re7 would win.} a6 25. Ba4 Qh4 26. Bb3 ({White should play} 26. g4 $14 b5 27. gxf5 bxa4 28. fxg6 Qg5+ 29. Kh1 hxg6 30. Re6) 26... Kf7 $11 27. Re6 {Hoping for g4.} Qg5 $2 {[#]} (27... h5 $11 {and Black stays safe.}) 28. g4 $1 $18 Bxe6 $2 (28... Bxg4 29. fxg4 Qxg4+ 30. Kh1 Qf5) 29. dxe6+ {[%cal Bd5e6,Be6e7][%mdl 32]} Kg8 30. e7+ $1 d5 {[#]} 31. h4 $1 {[%cal Rh4g5][%mdl 512]} Qf4 (31... Qxh4 32. Bxd5#) 32. Bxd5+ Qf7 33. Qb3 {Precision: White = 61%, Black = 31%.} 1-0

[Event "Varennes Open-ch 2017"]
[Site "Varennes"]
[Date "2017.10.06"]
[Round "1.8"]
[White "Dukic, Zachary"]
[Black "Ruiz Sanchez, Orlen"]
[Result "0-1"]
[ECO "B66"]
[WhiteElo "2020"]
[BlackElo "2409"]
[Annotator "TA"]
[PlyCount "114"]
[EventDate "2017.10.06"]
[EventCountry "CAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 28,114,0,-18,0,0,0,0,0,0,0,0,5,-248,23,23,23,23,23,23,23,23,23,14,23,0,23,23,117,114,143,0,23,23,23,0,23,0,23,23,23,0,43,23,23,0,23,0,23,0,42,0,47,0,23,0,23,23,49,23,67,31,58,58,58,42,77,35,62,47,47,35,42,41,170,0,60,-284,-315,-367,-361,-726,-682,-785,-753,-1706,-1076,-29977,-29977]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nc6 7. Qd2 e6 8. O-O-O Be7 9. f3 Nxd4 10. Qxd4 b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 11. h4 Bb7 12. Kb1 Rc8 13. g4 O-O 14. Qd2 {B63: Sicilian: Richter-Rauzer: 7...Be7 and unusual Black 7th moves} (14. Bd3 Nd7 15. a3 Rc5 16. Be2 Rc6 17. Na2 f6 18. Bc1 Qb6 19. c3 Qxd4 20. cxd4 d5 21. exd5 exd5 {1-0 (80) Morozevich,A (2774)-Timofeev,A (2664) Sarajevo 2008}) 14... Qc7 15. Bd3 {LiveBook: 5 Games} b4 16. Ne2 {The position is equal.} d5 {[%cal Rd5e4]} 17. e5 $1 {[%cal Re5f6]} Ne4 $1 {[%cal Re4d2]} 18. Qe1 $1 Nc5 $146 ({But not} 18... Nxg5 $2 19. hxg5 h6 20. gxh6 $18) 19. Bxe7 Nxd3 20. Rxd3 $4 {[%mdl 8192]} (20. Qd2 $11 Qxe7 21. Qxd3) 20... Qxe7 $2 (20... Qxc2+ $19 21. Ka1 Qxd3 22. Bxf8 Rxf8) 21. Nd4 $11 a5 {[%cal Ba6a5,Ba5a4,Ba4a3][%mdl 32]} 22. f4 Ba6 23. Rd2 a4 24. Qe3 a3 {aiming for ...axb2.} 25. b3 $1 Rc3 26. Qf2 Rfc8 27. g5 Qc5 (27... R3c7 $11) 28. h5 $1 $16 Re8 {[#]} 29. Rh4 ({Only move:} 29. g6 $1 $16 {[%mdl 512]}) 29... Bc8 30. Rh2 Bd7 31. Rh4 Bc8 32. Rh2 Rf8 33. Rh1 Bd7 34. Rh2 Qe7 35. Qg1 Rfc8 36. Qf2 Qc5 37. Rh1 Rf8 38. Rh2 Qe7 39. Rh1 (39. Rd1 {feels hotter.} Rc7 40. Qd2 Qc5 41. Rh3 Rfc8 42. Re1) 39... Rfc8 40. Rh2 Re8 41. Rh1 Rf8 42. Ne2 Rc7 43. Rh3 Kh8 44. Rg3 Bc8 45. Nd4 Bd7 46. Rd1 Rfc8 47. Rdd3 Rc5 48. Qd2 R5c7 $1 49. Rh3 Kg8 50. Rdg3 Qc5 (50... Be8 $14) 51. Rg2 $2 (51. g6 $18) 51... Bb5 (51... Qb6 $11) 52. g6 $2 {[%mdl 8192] [#]} (52. Re3 $14) 52... Bf1 $1 $19 {[%cal Bb5f1,Bf1g2,Bg2e4][%mdl 32]} 53. gxf7+ Rxf7 54. Nxe6 $2 (54. Rhg3 Bxg2 55. Rxg2) 54... Qe7 55. Ng5 Bxg2 56. Rg3 {[#]} Be4 $1 57. Nxf7 Qxf7 {Precision: White = 30%, Black = 31%.} 0-1

[Event "Varennes Open-ch 2017"]
[Site "Varennes"]
[Date "2017.10.06"]
[Round "1.9"]
[White "Thavandiran, Shiyam"]
[Black "Saha, Ananda"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "2385"]
[BlackElo "2018"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2017.10.06"]
[EventCountry "CAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,71,25,30,32,59,24,66,60,72,66,88,77,84,69,104,87,181,133,190,175,191,194,207,233,218,184,214,232,211,218,210,189,180,177,183,183,180,153,169,151,167,165,146,106,99,47,354,347,329,314,273,239,480,468,29998,29999]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5 6. Nb3 Be7 7. Be3 {B42: Sicilian: Kan Variation: 5 Bd3} Qc7 (7... Nf6 8. N1d2 d6 9. g4 h5 10. gxh5 Nxh5 11. Qe2 Bg5 12. Nc4 Nf4 13. Qg4 Rh4 14. Qg3 Rh3 15. Bxf4 Rxg3 16. hxg3 {0-1 (49) Vachier Lagrave,M (2798)-Svidler,P (2759) Biel 2016}) 8. N1d2 d6 9. f4 Nf6 {LiveBook: 9 Games} 10. g4 $146 {[%cal Bg2g4,Bg4g5][%mdl 32]} ({Predecessor:} 10. Qe2 O-O 11. O-O-O e5 12. h3 a5 13. Nc4 Nbd7 14. Na3 a4 15. Nd2 {0-1 (70) Socko,B (2647)-Nikolov,M (2550) Plovdiv 2012}) 10... Nc6 11. c3 b6 12. g5 Nd7 13. h4 {[%cal Bh2h4,Bh4h5][%mdl 32]} Bb7 14. Qe2 Nc5 15. Nxc5 bxc5 16. h5 Kd8 (16... d5 $16) 17. Nf3 Qa5 (17... Kc8 $16 18. O-O-O Kb8) 18. O-O $18 h6 19. g6 c4 20. Bxc4 Qxh5 21. Ne5 Qxe2 22. Nxf7+ Kc7 23. Bxe2 Rhf8 24. Bg4 Nd8 25. Nxd8 Raxd8 26. Bxe6 Bxe4 27. Bf7 Bf6 28. Rad1 Rb8 29. b4 Rb5 30. Bd4 {[#] Strongly threatening Bxf6.} Rf5 31. c4 (31. Kh2 $16) 31... Kc6 $2 {[%mdl 8192]} ({Better is} 31... Bc2 $1 $14) 32. Rfe1 Bf3 33. Bxf6 Rxf6 34. Rd4 {Black must now prevent Re7.} Bh5 $2 (34... a5) 35. Re7 {[#] Intending Bd5+ and mate.} Bxg6 (35... R8xf7 $18 36. gxf7 Bxf7) 36. Bd5+ {Precision: White = 69%, Black = 37%.} 1-0

[Event "Varennes Open-ch 2017"]
[Site "Varennes"]
[Date "2017.10.06"]
[Round "1.10"]
[White "Tanaka, Taira Tyler"]
[Black "Hebert, Jean"]
[Result "0-1"]
[ECO "B44"]
[WhiteElo "1990"]
[BlackElo "2376"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2017.10.06"]
[EventCountry "CAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,68,30,23,66,43,46,22,51,45,46,0,0,0,0,-48,-63,-53,-65,-92,-77,-97,-76,-122,-108,-106,-98,-102,-103,-102,-112,-104,-93,-112,-112,-146,-136,-267,-266,-366,-339,-591,-591,-581,-583]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nb5 d6 6. c4 Nf6 7. N1c3 a6 8. Na3 Be7 9. Be3 b6 10. Be2 Bb7 11. O-O O-O 12. Rc1 Ne5 13. f3 Ned7 {B44: Sizilianisch (Paulsen/Taimanow-Variante)} (13... Rc8 14. Qd2 Qc7 15. Rfd1 Rfe8 16. Bf1 h6 17. Kh1 Ba8 18. Qf2 Rb8 19. h3 h5 20. Rc2 h4 21. Bg5 Ng6 22. Rcd2 Red8 23. Nc2 {0-1 (49) Henriquez Villagra,C (2517)-Matlakov,M (2694) Doha 2016}) 14. Nc2 {LiveBook: 3 Partien} Qb8 $146 ({Vorgänger:} 14... Qc7 15. Nd4 Rac8 16. a4 Rfe8 17. Bf2 Qb8 18. Nb3 Bd8 19. Kh1 Ne5 20. Nd2 Bc7 21. f4 {½-½ (21) Bagonyai,A (2371)-Kallai,G (2464) Hungary 2007}) 15. a3 Re8 {Weiß steht etwas besser.} 16. Qd2 Bd8 {[%cal Be7d8,Bd8c7,Bc7g3,Bg3d6][%mdl 32]} 17. b4 Bc7 18. g3 d5 19. cxd5 exd5 20. Nxd5 Nxd5 21. exd5 Bxg3 $1 22. Bc4 Bd6 23. Rce1 Re5 24. Rf2 Qc7 25. Bb3 Rae8 26. Bd4 Rxe1+ 27. Nxe1 Bf4 28. Qd1 Qd6 $36 {[%mdl 2048] Läuft bei Schwarz.} 29. Rg2 g6 (29... Bxd5 30. Bxg7 Bxb3 31. Be5+ Qg6 32. Qxd7 $18 (32. Qxb3 Bxe5 33. Rxg6+ hxg6 $16)) 30. Bb2 Nf6 31. Bxf6 (31. Re2 $17) 31... Qxf6 $19 32. Nc2 Qc3 33. Rg4 $2 {[#]} (33. Ba2 {ist der einzige Weg für Weiss..}) 33... Be3+ 34. Nxe3 Rxe3 {Precision: Weiß = 11%, Schwarz = 70%.} 0-1

[Event "Varennes Open-ch 2017"]
[Site "Varennes"]
[Date "2017.10.07"]
[Round "2.1"]
[White "Perez Garcia, Rodney Oscar"]
[Black "Bruzon Batista, Lazaro"]
[Result "1/2-1/2"]
[ECO "B46"]
[WhiteElo "2315"]
[BlackElo "2660"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2017.10.06"]
[EventCountry "CAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,46,6,20,0,23,10,30,0,7,-51,-38,-33,-33,-36,-18,-30,0,0,0,0,14,7,6,10,5711]} 1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. d4 cxd4 5. Nxd4 Nc6 6. Be2 d6 7. O-O Nf6 8. Be3 Be7 9. f4 O-O 10. Kh1 Bd7 11. Qe1 b5 12. a3 Qb8 13. Bd3 {B85: Sicilian Scheveningen: 6 Be2 a6, lines with early Be3} (13. Rd1 Nxd4 14. Bxd4 e5 15. Be3 Bc6 16. Bf3 a5 17. Qg3 Kh8 18. Nd5 Bxd5 19. exd5 Nd7 20. Qh3 f5 {½-½ (72) Lintchevski,D (2554)-Artemiev,V (2671) St Petersburg 2015}) 13... b4 14. Nxc6 Bxc6 15. axb4 {White has an edge.} Qxb4 16. e5 (16. f5 $11) 16... dxe5 $15 17. fxe5 Nd7 18. Qg3 g6 $146 ({Predecessor:} 18... Qh4 19. Qxh4 Bxh4 20. Bxa6 Nxe5 {1-0 (37) Bragin,A (2441)-Tyutyunnikov,A (2332) Gagarin 2009}) 19. Bh6 (19. Rxa6 Rxa6 20. Bxa6 Qxb2 $17) 19... Rfb8 20. Rf4 {The position is equal.} ({Much weaker is} 20. Rxa6 Rxa6 21. Bxa6 Bh4 $15) 20... Qb7 21. Re1 Nc5 22. Ref1 Nxd3 23. Rxf7 Nxe5 $2 {[%mdl 40960] Precision: White = 50%, Black = 31%. . An unexpected result.} ({Wrong is} 23... Nxb2 $2 24. Rg7+ Kh8 25. Rff7 $18) (23... Ne1 $11 24. Rg7+ Kh8) 1/2-1/2

[Event "Varennes Open-ch 2017"]
[Site "Varennes"]
[Date "2017.10.07"]
[Round "2.2"]
[White "Lenderman, Aleksandr"]
[Black "Chiku-Ratte, Olivier-Kenta"]
[Result "1/2-1/2"]
[ECO "E91"]
[WhiteElo "2591"]
[BlackElo "2317"]
[Annotator "TA"]
[PlyCount "110"]
[EventDate "2017.10.06"]
[EventCountry "CAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,110,65,60,57,60,51,81,53,53,42,73,47,144,129,140,137,152,139,136,135,234,230,235,18,24,14,49,46,57,56,52,48,74,31,86,16,51,53,62,61,58,0,0,0,0,0,0,0,8,8,8,8,119,119,119,119,119,119,119,8,8,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,2,1,1,1,1,1,1,1,1,1,1,7,7]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 c5 7. O-O cxd4 8. Nxd4 Nc6 9. Be3 Nxd4 10. Bxd4 Bd7 11. Qd3 {B38: Sicilian: Maroczy Bind with 5...Bg7 and 7...0-0} Bc6 12. b4 b6 {LiveBook: 9 Games} 13. f4 {White is slightly better.} Qc7 $146 ({Predecessor:} 13... Re8 14. Rad1 e5 15. fxe5 dxe5 16. Be3 Qxd3 17. Bxd3 Ng4 18. Bd2 Red8 {1-0 (50) Zakhartsov,V (2536)-Beletsky,A (2284) Tomsk 2013}) 14. Rac1 Rfc8 15. Be3 Nd7 16. Bg4 h5 17. Nd5 Qd8 (17... Bxd5 $1 $14 18. cxd5 Qb7) 18. Bxd7 $1 $16 Bxd7 19. f5 $1 {[%cal Rf5g6] fxg6 is the strong threat.} e6 20. fxg6 $1 fxg6 21. Nf4 e5 (21... Qe8 $16) 22. Qd5+ Kh7 {[#]} 23. Ne6 $2 (23. Nxg6 $1 $18 {[%mdl 512] Black must now prevent Qf7.} Kxg6 24. Qxd6+ Bf6 25. Rxf6+ Qxf6 26. Qxd7) 23... Bxe6 $1 $11 24. Qxe6 Qg8 (24... Rc7 {keeps more tension.} 25. Rfd1 Bf8 26. c5 bxc5 27. bxc5 Qc8) 25. Qf7 Rf8 26. Qxg8+ Kxg8 27. Rfd1 Rf6 28. a4 (28. Bg5 $5 {[%cal Rg5f6]} Re6 29. a3 $14) 28... Bf8 ({Black should play} 28... Kh7 $14) 29. Rd5 (29. a5 $16) 29... Rf7 30. a5 Rc8 31. axb6 axb6 32. Rb5 (32. b5 $14) 32... Rfc7 33. Kf2 Rxc4 34. Rxc4 Rxc4 {[%mdl 4096] Endgame KRB-KRB} 35. Kf3 d5 36. exd5 e4+ 37. Ke2 Rxb4 (37... Bxb4 $11 {keeps the balance.} 38. Rxb6 Kf7) 38. Rxb4 $16 ({Much weaker is} 38. Rxb6 $6 Kf7 $11) 38... Bxb4 39. Bxb6 $11 {KB-KB} Bd6 {[#]} 40. h3 $1 Bf4 {[#]} 41. Be3 ({Better is} 41. h4 $1 $16) 41... Bd6 {The position is equal.} 42. Bg5 {Black should prevent Ke3.} Bc5 43. Kd2 Kf7 44. Kc3 Ke8 45. Kc4 Bf2 46. Bf6 Kd7 47. Bd4 Bg3 48. Be3 {next Kd4 is good for White.} Be5 $1 49. Kc5 Bb2 50. Bf4 Bg7 51. g3 Bb2 52. Kc4 Bf6 53. g4 hxg4 54. hxg4 Bg7 55. Kc5 Bb2 {Precision: White = 48%, Black = 57%.} 1/2-1/2

[Event "Varennes Open-ch 2017"]
[Site "Varennes"]
[Date "2017.10.07"]
[Round "2.3"]
[White "Cazelais, Marc"]
[Black "Sambuev, Bator"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "2174"]
[BlackElo "2535"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2017.10.06"]
[EventCountry "CAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,66,16,7,-24,0,-34,-29,-57,-54,-53,-47,-65,-58,-75,-38,-53,-41,-48,-43,-50,-45,-60,-41,-50,-63,-95,-48,-44,-24,-115,-107,-103,-104,-160,-98,-84,-42,-137,-75,-296,-295,-577,-519,-541,-550,-546,-553,-547,-526,-1493,-1056,-1450,-1317,-1729,-1482,-1318,-966,-2165,-2101]} 1. e4 {[%cal Be2e4,Be4e5][%mdl 32]} Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. dxc3 d6 5. Bf4 Nc6 {LiveBook: 29 Games} 6. exd6 {B02: Alekhine's Defence: Chase Variation and lines with early Nc3} cxd6 7. Qd2 e5 8. Bg5 {Black has an edge.} f6 9. Be3 Be6 $146 ({Predecessor:} 9... d5 10. Ne2 Be6 11. g3 Qd7 12. Bg2 Rd8 {½-½ (47) Dekar,L (2186)-Gozzoli,Y (2433) Port Barcares 2005}) 10. c4 Rc8 11. Nf3 a6 12. Be2 Be7 13. O-O O-O 14. Rfd1 Qc7 15. b3 Rfd8 16. Qe1 h6 17. Qd2 g5 18. h4 Kg7 19. g3 (19. c3 $11 {remains equal.}) 19... d5 $1 $17 {[%cal Rd5d4]} 20. cxd5 Bxd5 21. Qc3 (21. Qc1 $142) 21... b5 (21... Nd4 $142 $1 {[%cal Rd4e2]} 22. Bxd4 Qxc3 23. Bxc3 Rxc3) 22. Qb2 Qb7 23. Ne1 ({White should play} 23. c3 $15) 23... gxh4 24. gxh4 $2 {[#]} (24. Bg4 $17) 24... Kh8 $19 25. Bxh6 $2 (25. Rxd5 Rxd5 26. Bf3) 25... Nd4 {Black is clearly winning.} 26. Rxd4 exd4 27. Qxd4 Be4 28. Qe3 Rg8+ 29. Kh2 Bd6+ 30. Bf4 Bc5 31. Qc3 Qg7 {[#] ( -> ...Qg1+)} 32. Qg3 Qh7 33. Qh3 Bxf2 {Precision: White = 19%, Black = 71%.} 0-1

[Event "Varennes Open-ch 2017"]
[Site "Varennes"]
[Date "2017.10.07"]
[Round "2.4"]
[White "Bannon, Eric"]
[Black "Alvarez Pedraza, Aramis"]
[Result "0-1"]
[ECO "B18"]
[WhiteElo "2154"]
[BlackElo "2489"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2017.10.06"]
[EventCountry "CAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,54,0,15,-12,-12,-16,0,-4,-4,-7,-16,-46,0,-26,57,38,39,19,25,22,30,16,42,6,51,41,55,64,47,62,86,-370,-357]} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 e6 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 Nf6 11. Bf4 Qa5+ {B19: Classical Caro-Kann: 4...Bf5 main line} (11... Be7 12. O-O-O O-O 13. Kb1 c5 14. Qe2 Nd5 15. Bd2 cxd4 16. Nxd4 Qb6 17. c4 Nb4 18. Bc3 N8c6 19. a3 {½-½ (36) Amonatov,F (2592)-Motylev,A (2648) St Petersburg 2015}) 12. Bd2 Bb4 {LiveBook: 36 Games} 13. Ne5 O-O {The position is equal.} 14. c3 {[#]} Be7 $146 ({Predecessor:} 14... Bd6 15. Nc4 Qa6 16. Ne2 Nbd7 17. Rh3 Bc7 18. Bf4 Bxf4 19. Nxf4 {0-1 (66) Ruefenacht,M (2328)-Medvegy,Z (2542) Germany 2016}) 15. Ne4 Nbd7 16. Nxf6+ Nxf6 17. Rh3 Qd5 18. O-O-O Qe4 ({Much worse is} 18... Qxg2 $6 19. Rg3 $16) (18... c5 $11 19. Rg3 Kh8) 19. Qxe4 (19. g4 {feels hotter.} Qxd3 20. Nxd3 Ne4 21. Kc2 a5 22. Bf4) 19... Nxe4 20. Re1 (20. Be3 {is interesting.} Rfc8 21. Kc2 b5 22. g4 a5 23. Re1) 20... Nxd2 ({But not} 20... Nxf2 $6 21. Rf3 $16) 21. Kxd2 Rad8 22. Rd3 Rfe8 23. Rf3 f6 24. Ng6 Bd6 25. Rfe3 Kf7 26. f4 c5 {[#]} 27. dxc5 $2 {[%mdl 8192]} (27. f5 $1 $16 {and life is bright.}) 27... Bxf4+ $1 {Precision: White = 29%, Black = 28%.} 0-1

[Event "Varennes Open-ch 2017"]
[Site "Varennes"]
[Date "2017.10.07"]
[Round "2.5"]
[White "Hambleton, Aman"]
[Black "Morella Cabrera, Julio Antonio"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2479"]
[BlackElo "2248"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2017.10.06"]
[EventCountry "CAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,63,34,4,60,45,77,50,66,65,57,22,45,38,47,31,198,200,315,311,462,452,471,468,466,455,467,452,457,444,460,466,548,549,600,613,1031,1033,1031,1004,1269,1202,2146,1945,29981,1400,6311,1399,1395,1253]} 1. Nf3 c5 2. c4 Nc6 3. Nc3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Nc2 Nf6 7. e4 d6 8. Be2 O-O 9. O-O a5 {B37: Sicilian: Maroczy Bind with 5...Bg7, sidelines} (9... Nd7 $11) (9... Be6 10. Bd2 Nd7 11. Rc1 Nc5 12. b4 Bxc3 13. Bxc3 Nxe4 14. Ba1 a5 15. b5 Ne5 16. Qd4 Nf6 17. Ne3 Ned7 18. Bf3 {1-0 (33) Aronian,L (2785)-Flores,D (2579) Doha 2016}) 10. Be3 a4 11. f3 Qa5 {White is slightly better.} 12. Rb1 Be6 13. Qd2 Nd7 $146 ({Predecessor:} 13... Rfc8 14. Nd5 Qxd2 15. Bxd2 Nd7 16. Bc3 Bxc3 17. Nxc3 {1-0 (58) Matsuura,E (2500)-Diamant,A (2407) Sao Paulo 2008}) 14. Rfd1 Rfc8 15. Na3 Qh5 $2 {[#]} ({Better is} 15... Bxc3 $14 16. bxc3 (16. Qxc3 Qxc3 17. bxc3 Na5 $11) 16... b6) 16. Nd5 $1 $18 Bxd5 (16... b6 $142 17. Nb5 Rab8) 17. cxd5 Nd8 (17... Nce5 {is a better defense.} 18. f4 Qh4) 18. Bg5 f6 19. f4 {[%cal Bf3f4,Bf4g5][%mdl 32]} Qxe2 20. Qxe2 fxg5 21. fxg5 Nf7 22. Rbc1 Nc5 23. Nc4 Rd8 24. e5 {[%cal Be4e5,Be5d6,Bd6e7][%mdl 32]} b5 25. exd6 bxc4 26. dxe7 Re8 27. d6 Nd3 28. Rxc4 Nxd6 29. Qxd3 Nxc4 30. Qxc4+ (30. Qd5+ $142 Kh8 {[#]} 31. Qxa8 $1 {[%mdl 512]} Bd4+ 32. Rxd4 Rxa8 33. Rd8+ Kg7 34. e8=Q Rxd8 35. Qe7+ Kg8 36. Qxd8+ Kf7 37. Qf6+ Ke8 38. Qe6+ Kf8 39. Qxc4) 30... Kh8 31. Qf7 Bxb2 32. Qxe8+ {Precision: White = 65%, Black = 42%.} 1-0

[Event "Varennes Open-ch 2017"]
[Site "Varennes"]
[Date "2017.10.07"]
[Round "3"]
[White "Bruzon Batista, Lazaro"]
[Black "Hua, Eugene"]
[Result "1-0"]
[ECO "A33"]
[WhiteElo "2660"]
[BlackElo "2220"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2017.10.06"]
[EventCountry "CAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,93,0,0,-22,-16,-25,-25,-18,-27,-34,47,-5,-8,-5,-4,-13,0,-6,0,0,0,0,0,0,0,0,0,0,0,0,0,-2,10,12,12,11,11,9,9,9,9,9,9,9,9,9,9,9,9,9,10,0,67,60,60,35,210,202,295,298,784,696,12839,12839,12841,12842,12842,12843,12843,12843]} 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. g3 Qb6 7. Ndb5 Ne5 8. Bg2 a6 9. Qa4 Rb8 {A33: Symmetrical English: 2 Nf3 Nf6 3 d4 cxd4 4 Nxd4 e6 5 Nc3 Nc6} (9... Bc5 10. O-O O-O 11. b4 axb5 12. Qxa8 Bxb4 13. Nxb5 Nxc4 14. Qa4 Qa5 15. Qxa5 Bxa5 16. Rd1 d5 17. Na3 {1-0 (34) Matlakov,M (2694)-Vachier Lagrave,M (2804) Doha 2016}) 10. Be3 Bc5 11. Bxc5 Qxc5 12. Qa3 Qxa3 13. Nxa3 g5 {LiveBook: 3 Games} 14. O-O Ke7 15. Rad1 $146 ({Predecessor:} 15. f4 gxf4 16. gxf4 Ng6 17. h3 b6 18. Kh2 Bb7 19. e4 {½-½ (19) Fillon,D (2306)-Epinoux,J (2081) ICCF email 2007}) 15... b6 16. b3 Bb7 17. f3 d5 (17... d6 $15) 18. cxd5 (18. f4 $1 $14 gxf4 19. cxd5 (19. gxf4 Neg4 $17)) 18... Nxd5 $11 19. Nxd5+ Bxd5 20. Nc2 a5 21. Ne3 Bb7 22. Kf2 Rhd8 23. Rxd8 Rxd8 24. Rc1 Rc8 25. Rxc8 Bxc8 {[%mdl 4096] Endgame KBN-KBN} 26. f4 gxf4 27. gxf4 Nd7 28. Be4 Nf6 29. Bd3 h6 30. Nc4 Nd5 31. Kg3 f5 32. a3 Bd7 33. e4 fxe4 34. Bxe4 Nc3 35. Kf3 a4 $1 36. bxa4 Nxa4 37. Ke3 Bb5 38. Ne5 Kf6 ({Black should try} 38... Nc3 $11) 39. Kd4 Nc5 40. Bc2 Be2 $2 {[#]} (40... Ke7 $14) 41. a4 $1 $18 {[%cal Ba3a4,Ba4a5][%mdl 32]} Ke7 {[#]} (41... Na6 {was called for.} 42. Nd7+ Ke7) 42. a5 $1 {[%mdl 512]} Nd7 $2 (42... Bh5 43. axb6 Kd6) (42... bxa5 43. Kxc5) 43. Nxd7 {White is clearly winning.} Kxd7 44. axb6 Kc6 45. Ke5 Bc4 46. Bd1 Kxb6 47. Kd6 {Precision: White = 81%, Black = 45%.} 1-0

[Event "Varennes Open-ch 2017"]
[Site "Varennes"]
[Date "2017.10.07"]
[Round "3"]
[White "Sambuev, Bator"]
[Black "Perez Rodriguez, Luis Manuel"]
[Result "1-0"]
[ECO "A22"]
[WhiteElo "2535"]
[BlackElo "2368"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2017.10.06"]
[EventCountry "CAN"]

{[%evp 9,99,0,0,0,8,10,10,0,0,-8,14,8,46,39,33,-7,-16,-14,-10,-16,-20,-16,17,6,10,7,11,11,15,0,0,-19,-8,-34,0,0,14,-18,0,0,0,0,0,-18,-18,-33,-8,-12,-29,-8,-7,0,8,13,8,17,16,-33,8,1,7,7,0,0,0,0,0,0,102,96,204,203,217,210,218,206,218,222,235,233,233,239,323,323,319,308,354,332,333,346,335,334]} 1. c4 e5 2. Nc3 Nf6 3. e3 d5 4. cxd5 Nxd5 5. Qc2 Nb4 (5... Nxc3 6. bxc3 {½-½ (6) Ivanisevic,I (2624)-Naiditsch,A (2706) Deizisau 2014}) 6. Qb1 {A22: English Opening: 1...e5 2 Nc3 Nf6} Bd6 $146 ({Predecessor:} 6... c5 7. Nf3 N4c6 8. a3 Be7 9. Be2 O-O 10. O-O Be6 11. d3 Na5 12. Nd2 Nb3 13. Nxb3 Bxb3 {1-0 (49) Wirig,A (2477)-Shirazi,K (2448) Metz 2008}) 7. a3 N4c6 8. b4 {The position is equal.} O-O 9. Nf3 a6 10. Bc4 Bg4 11. Ne4 Bf5 12. Rg1 Nd7 13. Bd3 Bg6 14. g4 Nf6 15. h4 Bxe4 16. Bxe4 Nxe4 17. Qxe4 f6 18. Bb2 Qe7 19. h5 Qf7 20. Nh4 a5 {[%cal Ra5b4]} 21. b5 Nd8 {[%cal Bc6d8,Bd8e6,Be6c5,Bc5a4][%mdl 32]} 22. Nf5 Ne6 23. Qc4 Nc5 24. Qxf7+ Kxf7 25. Ke2 Na4 26. Bc1 g6 27. Ng3 Rfd8 28. Rh1 Kg7 29. Ra2 Rac8 30. Rc2 c6 31. bxc6 Rxc6 32. Rxc6 bxc6 33. Kd1 c5 34. hxg6 hxg6 35. Rh4 Nb6 36. Kc2 Be7 {[#]} 37. g5 $1 {[%mdl 512]} f5 (37... fxg5 38. Re4) 38. Bb2 Bxg5 (38... Rd5 $1 $11) 39. Bxe5+ $16 Bf6 {[#]} (39... Kf8 $16 {keeps fighting.} 40. Rh8+ Kf7) 40. Nxf5+ $1 $18 {[%mdl 512]} Kf7 (40... gxf5 41. Bxf6+) 41. Nh6+ Ke6 42. Bxf6 Kxf6 {[%mdl 4096] Endgame KRN-KRN} 43. Rf4+ Ke6 44. Ng4 Nd7 45. Re4+ Kd5 46. Re7 Nb6 47. Re5+ Kc6 48. Rg5 Nc4 49. Ne5+ ({Less strong is} 49. Rxg6+ Kb5 $16) 49... Nxe5 50. Rxe5 {Precision: White = 67%, Black = 52%.} 1-0

[Event "Varennes Open-ch 2017"]
[Site "Varennes"]
[Date "2017.10.07"]
[Round "3"]
[White "Alvarez Pedraza, Aramis"]
[Black "Duong, Thanh Nha"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "2489"]
[BlackElo "2132"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2017.10.06"]
[EventCountry "CAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,86,13,20,17,35,0,17,4,58,59,56,35,88,81,83,55,93,84,137,135,139,122,134,111,129,98,97,84,85,48,104,77,118,107,123,117,117,110,131,129,136,104,106,106,130,127,158,154,166,172,219,212,235,292,296,115,128,114,122,143,186,142,123,98,102,70,121,129,268]} 1. d4 Nf6 2. Nf3 e6 3. Bf4 c5 4. e3 Be7 5. h3 b6 6. c3 Bb7 7. Bd3 O-O 8. O-O d6 9. Nbd2 Nc6 10. Bh2 {A47: 1 d4 Nf6 2 Nf3 b6: Torre, London and Colle Systems} (10. Re1 Re8 11. Bg3 Rc8 12. a3 cxd4 13. cxd4 g6 14. e4 Nb8 15. Qe2 Nbd7 16. Rac1 Rxc1 17. Rxc1 Qa8 {1-0 (51) Nguyen,N (2635)-Xu,J (2506) Jakarta 2012}) 10... Re8 {LiveBook: 3 Games} 11. a3 Bf8 12. Qc2 $146 {White is slightly better.} ({Predecessor:} 12. e4 a6 13. Re1 b5 14. Bc2 e5 15. d5 Nb8 16. c4 Nbd7 17. b4 Qb6 {1-0 (37) Wall,T (2183)-Ledger,A (2377) Reading 2017}) 12... Rc8 13. Rad1 Rc7 (13... d5 $11) 14. dxc5 $14 bxc5 15. e4 e5 (15... Qc8 $14) 16. Nc4 $16 {[%cal Bd2c4,Bc4e3,Be3d5][%mdl 32]} Rd7 17. Ne3 g6 18. Nd2 Nh5 ({Black should play} 18... a6) 19. Bb5 Qc8 20. Nd5 Bg7 21. Qa4 Re6 22. Nb3 {Hoping for Na5.} Rd8 23. Bc4 Ree8 24. Bg3 {[%cal Bh2g3,Bg3f2,Bf2h4][%mdl 32] Threatens to win with Bh4.} h6 (24... Ne7 $14) 25. Bb5 Re6 26. Be2 Nf6 27. f3 $36 {[%mdl 2048] Black is under strong pressure.} Ree8 28. Ne3 Nh5 29. Bf2 Nf4 30. Bb5 {[%cal Be2b5,Bb5c4,Bc4f1][%mdl 32]} a6 31. Bc4 Rf8 32. Rd2 Qc7 33. Rfd1 Kh8 34. Bh4 f6 {[#]} 35. Bf1 $1 Ne7 36. Qa5 ({Resist} 36. Bxa6 Bxa6 37. Qxa6 Nc6) 36... Qb8 {[#]} 37. Nxc5 $2 (37. Nc4 $1 $18 {is the precise move to win.}) 37... Nc6 {[%cal Be7c6,Bc6a5,Ba5b3][%mdl 32]} 38. Nxa6 Nxa5 ({Avoid the trap} 38... Qa7 $2 39. Qb5 $18) 39. Nxb8 {Strongly threatening Na6.} Rxb8 40. Rxd6 Nb3 41. Bf2 {[%mdl 1024] White has strong compensation.} Bc8 42. h4 h5 (42... f5 $14) 43. a4 Ne6 {[%mdl 32768] Precision: White = 52%, Black = 36%. . An unexpected result.} (43... Kh7 $16 {might work better.}) 1/2-1/2

[Event "Varennes Open-ch 2017"]
[Site "Varennes"]
[Date "2017.10.07"]
[Round "3"]
[White "Thavandiran, Shiyam"]
[Black "Hambleton, Aman"]
[Result "1/2-1/2"]
[ECO "B47"]
[WhiteElo "2385"]
[BlackElo "2479"]
[Annotator "TA"]
[PlyCount "112"]
[EventDate "2017.10.06"]
[EventCountry "CAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 37,112,5,1,4,0,20,12,0,0,-1,0,0,0,-7,-2,-25,-5,-4,0,0,0,0,0,-10,-10,-10,-10,-10,-10,-10,-10,-9,-9,-9,-9,-77,0,-29,-18,-27,-15,-16,-17,-18,-15,-16,-15,-15,-15,-20,-20,-35,-35,-37,-8,-8,-8,-23,-8,-8,-8,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,29978]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be2 a6 7. O-O Nf6 8. Be3 {[%cal Bc1e3,Be3d4,Bd4e5][%mdl 32]} Bb4 9. Na4 Be7 10. Nxc6 bxc6 11. Nb6 Rb8 12. Nxc8 Qxc8 13. Bd4 c5 14. Be5 Rb6 15. Qd3 d6 {B49: Sicilian: Taimanov: 5 Nc3 Qc7 6 Be3 a6 7 Be2} 16. Bc3 O-O 17. b3 Qc6 18. e5 Nd5 19. Bf3 Qb5 {[#] LiveBook: 3 Games} 20. Bxd5 $146 ({Predecessor:} 20. Qxb5 axb5 21. exd6 Bxd6 22. Bb2 Nb4 23. Bd1 {½-½ (75) Harikrishna,P (2688)-Najer,E (2664) Germany 2012}) 20... Qxd3 21. cxd3 {[#] Strongly threatening Bf3.} exd5 22. exd6 Bxd6 23. Rfe1 Rc8 24. Rac1 f6 25. Kf1 Kf7 ({Reject} 25... Bxh2 $6 26. g3 $16) 26. Bd2 h5 ({Worse is} 26... Bxh2 27. g3 $16) 27. Rc2 Rbc6 ({Don't blunder} 27... Bxh2 $2 28. g3 $16) 28. h3 c4 29. dxc4 dxc4 30. bxc4 Rxc4 31. Rxc4 Rxc4 $11 {[%mdl 4096] Endgame KRB-KRB} 32. Rc1 Ra4 33. Rc2 g5 34. Ke2 Ke6 35. Kd3 Kd5 36. Kc3 (36. Be3 $11 {keeps the balance.}) 36... Ra3+ 37. Kb2 Rd3 38. Bc3 f5 39. Re2 $1 Kc4 40. Bf6 g4 41. hxg4 fxg4 42. Kc2 Ra3 43. Kb2 Ra5 44. Bc3 Rf5 45. Kc2 Bc5 46. f3 gxf3 47. gxf3 Bd6 48. Re4+ {The position is equal.} Kb5 49. a4+ Kc5 (49... Kc6 {looks sharper.} 50. Re6 Kd5 51. Rh6 Bf8 52. Rh8 Kc4) 50. Bb4+ Kd5 51. Bxd6 Kxd6 {KR-KR} 52. Rh4 Ke5 53. Kd2 Kf6 54. Ke3 Rc5 55. Kf2 a5 56. Kg3 Ke5 $2 {[%mdl 40960] Precision: White = 72%, Black = 64%. . An unexpected result.} (56... Rg5+ $11 57. Kf2 Ke6) 1/2-1/2

[Event "Varennes Open-ch 2017"]
[Site "Varennes"]
[Date "2017.10.07"]
[Round "3"]
[White "Sai Krishna G V"]
[Black "Ruiz Sanchez, Orlen"]
[Result "1/2-1/2"]
[ECO "B66"]
[WhiteElo "2369"]
[BlackElo "2409"]
[Annotator "ChessBase"]
[PlyCount "111"]
[EventDate "2017.10.06"]
[EventCountry "CAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nc6 7. Qd2 e6 8. O-O-O Be7 9. f3 Nxd4 10. Qxd4 b5 11. Kb1 Bb7 12. Bxf6 Bxf6 13. Qxd6 Qxd6 14. Rxd6 Bxc3 15. bxc3 Ke7 16. Rd3 Rac8 17. Be2 Rc7 18. Rhd1 Rhc8 19. R1d2 g5 20. Kb2 h5 21. Rd4 Kf6 22. a4 Rc5 23. axb5 axb5 24. Rd8 Rxc3 25. Rxc8 Rxc8 26. Bxb5 g4 27. c4 Ke5 28. Rd7 Rb8 29. Rxf7 Ba6 30. Rh7 Kd4 31. Rxh5 gxf3 32. gxf3 e5 33. h4 Bxb5 34. cxb5 Rxb5+ 35. Ka3 Rb6 36. Rf5 Rh6 37. h5 Rb6 38. Ka4 Ra6+ 39. Kb3 Rc6 40. Kb2 Ke3 41. Kb3 Kd4 42. Kb4 Rb6+ 43. Ka5 Rc6 44. Rg5 Rf6 45. Rf5 Rc6 46. Kb5 Re6 47. Rg5 Rh6 48. Kb4 Rb6+ 49. Ka4 Rf6 50. Rf5 Rb6 51. Ka3 Kc3 52. Ka4 Kd4 53. Ka5 Rc6 54. Rg5 Rf6 55. Rg3 Rh6 56. Rg5 1/2-1/2

[Event "Varennes Open-ch 2017"]
[Site "Varennes"]
[Date "2017.10.07"]
[Round "3"]
[White "Chiku-Ratte, Olivier-Kenta"]
[Black "Vettese, Nicholas"]
[Result "1/2-1/2"]
[ECO "D90"]
[WhiteElo "2317"]
[BlackElo "2155"]
[Annotator "TA"]
[PlyCount "115"]
[EventDate "2017.10.06"]
[EventCountry "CAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,115,0,48,35,26,18,16,28,33,0,0,0,3,-9,-16,-12,38,46,52,39,36,33,54,53,42,41,69,43,37,13,20,17,20,0,0,0,0,0,5,-12,-11,-13,-16,-14,-5,-7,0,-4,0,-17,0,-7,0,-14,-14,-15,-6,-7,0,-29,-36,-28,-27,-28,-28,-36,-35,-24,-29,-54,-8,-8,-6,-6,-6,-8,0,-8,0,0,0,0,0,0,0,0,0,-8,-8,-8,0,-11,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. h4 e6 $146 ({Vorgänger:} 5... c6 6. Bg5 dxc4 7. e4 Be6 8. e5 Nd5 9. h5 Nd7 10. h6 Bf8 11. Ne4 f6 12. Bd2 b5 {0-1 (37) Kasparov,G (2812)-Nepomniachtchi,I (2751) Saint Louis 2017}) 6. Bg5 {D90: Grünfeldindisch (Flohr-Variante)} h6 7. Bxf6 Bxf6 8. e3 O-O 9. Bd3 dxc4 10. Bxc4 c5 11. Qd2 cxd4 12. exd4 Nc6 {[%cal Rc6d4]} 13. Qxh6 {[#] Weiss droht Sg5 und Matt.} Bg7 14. Qe3 {Und weiter mit 0-0-0 wäre nett.} Bxd4 15. Nxd4 Qxd4 16. Qxd4 Nxd4 17. O-O-O Nc6 18. h5 gxh5 19. Rxh5 {[#] Beabsichtigt Tg5+ und Matt.} Rd8 20. Rdh1 Kf8 21. R1h4 b6 22. Rh7 Ne5 23. Re4 Ng6 24. g3 Kg8 25. Rh5 Bb7 26. Re3 Kg7 27. Bd3 Rh8 28. Rg5 Kf6 29. f4 Rhg8 30. Kc2 Rac8 31. b4 Ne7 {...Sd5 ist eine echte Drohung.} 32. Rxg8 Nxg8 33. Kb3 Ne7 34. g4 Nd5 35. Nxd5+ Bxd5+ $15 {[%mdl 4096] Endspiel KTL-KTL} 36. Kb2 Rh8 37. g5+ Ke7 38. f5 Rh2+ 39. Bc2 Rg2 40. g6 $1 {Die Stellung ist ausgeglichen.} fxg6 41. fxg6 Kf6 42. Kc3 Rf2 43. Kb2 Bxa2 44. Ra3 Bd5 {Und ...Le4 würde nun gewinnen.} 45. Rxa7 {Droht Tf7+ und aus.} e5 46. Kc3 Rf3+ 47. Kd2 Rf2+ 48. Kd1 Rf4 49. b5 Rb4 50. g7 Rg4 51. Rd7 Bf3+ 52. Kd2 Rxg7 53. Rd6+ Ke7 54. Rxb6 Kd7 55. Ke3 Rg3 56. Kf2 Rg2+ 57. Kxf3 Rxc2 58. Ke4 {Precision: Weiß = 52%, Schwarz = 63%.} 1/2-1/2

[Event "Varennes Open-ch 2017"]
[Site "Varennes"]
[Date "2017.10.07"]
[Round "3"]
[White "Nicula, Marius"]
[Black "Lenderman, Aleksandr"]
[Result "0-1"]
[ECO "A64"]
[WhiteElo "2190"]
[BlackElo "2591"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2017.10.06"]
[EventCountry "CAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,64,6,-31,-29,-31,-32,-36,-28,-31,-28,-52,-55,-72,0,-41,-40,-72,-68,-80,-52,-169,-155,-170,-173,-207,-212,-393,-397,-599,-578,-604,-618,-611,-612,-591,-474,-559,-530,-537,-518,-485,402]} 1. d4 Nf6 2. g3 c5 3. d5 e6 4. c4 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O Re8 10. Nd2 a6 11. a4 Nbd7 12. Nc4 {A64: Modern Benoni: Fianchetto Variation: 9...Nbd7 10 Nd2 a6 11 a4 Re8} (12. h3 Rb8 13. Nc4 Ne5 14. Na3 Nh5 15. e4 Bd7 16. g4 Nf6 17. g5 Nh5 18. f4 b5 19. fxe5 b4 20. Nc4 bxc3 21. bxc3 Bxe5 22. Qf3 f5 23. gxf6 Qxf6 24. Nxe5 Qxe5 {0-1 (60) So,W (2812)-Nakamura,H (2785) Stavanger 2017}) 12... Ne5 13. Ne3 {LiveBook: 5 Games} Nfg4 14. Nxg4 {Black has an edge.} Bxg4 15. a5 $146 ({Predecessor:} 15. h3 Bd7 16. Ne4 Bf5 17. Bg5 f6 18. Bc1 Bxe4 19. Bxe4 f5 {0-1 (36) Dancevski,O (2395)-Dvirnyy,D (2530) Skopje 2013}) 15... Bd7 16. Qb3 Rb8 17. Ra3 f5 18. h3 h5 (18... g5 $17) 19. f4 Nf7 20. e3 h4 {[%cal Bh5h4,Bh4g3][%mdl 32]} 21. Rf3 g5 {Hoping for ...g4.} 22. fxg5 ({White should try} 22. Ne2 $1 $15) 22... Nxg5 $19 23. Rf4 hxg3 24. Qd1 Be5 25. Qh5 $2 (25. e4 {might work better.}) 25... Bxf4 26. Qg6+ {[#]} (26. exf4 $142 Re1+ 27. Bf1) 26... Kf8 $1 {[%cal Bg8f8,Bf8f7,Bf7g7][%mdl 32] Black is clearly winning.} 27. Qh6+ Kf7 28. Qh5+ Kg7 29. exf4 {Ne4 is the strong threat.} Re1+ 30. Bf1 {[#] Black must now prevent Bd2.} Be8 31. Qxg5+ Qxg5 32. fxg5 {And now Bd2 would win.} f4 $4 {[%mdl 40960] Precision: White = 20%, Black = 67%. . Loss on Time!?} (32... Rxc1 $19 33. Ne2 Rb1 34. Nxg3 Bb5) 0-1

[Event "Varennes Open-ch 2017"]
[Site "Varennes"]
[Date "2017.10.07"]
[Round "3"]
[White "Bolduc, Steve"]
[Black "Ortiz Suarez, Isan Reynaldo"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2173"]
[BlackElo "2528"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2017.10.06"]
[EventCountry "CAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,62,16,23,12,12,13,9,24,29,36,25,-2,0,-26,0,-52,-33,-49,-24,-102,-49,-68,-70,-70,-69,-89,-71,-124,-112,-172,-160,-310,-301,-306,-332,-295,-291,-402,-330,-312,-375,-616,-594,-614,-531,-644,-657,-649,-646,-936,-943,-919,-929,-927,-927]} 1. d4 Nf6 2. Bg5 d5 3. e3 Nbd7 4. Nf3 g6 (4... h6 5. Bf4 g5 6. Bg3 Ne4 7. Nc3 Nxg3 8. hxg3 g4 9. Nd2 Nf6 10. Qe2 c6 11. e4 dxe4 12. O-O-O {½-½ (41) Rapport,R (2691)-Aronian,L (2812) Wijk aan Zee 2014}) 5. Be2 Bg7 6. O-O {D03: 1 d4 d5 2 Nf3 Nf6 3 Bg5, including Torre Attack with early ...d5} O-O 7. c4 dxc4 8. Bxc4 {The position is equal.} c5 9. Nc3 a6 10. Bb3 $146 ({Predecessor:} 10. a4 cxd4 11. Nxd4 Qa5 12. Bh4 e5 13. Nc2 {1-0 (48) Stiller,J (2167)-Miller,E (2145) Buechenbach/Roth 2011}) 10... b5 11. a4 c4 12. Bc2 (12. Ba2 $11) 12... b4 $36 {[%mdl 2048] Black has good play.} 13. Ne4 Bb7 14. Nxf6+ (14. Bxf6 $11 {remains equal.} exf6 15. Nd6) 14... Nxf6 (14... exf6 $17 15. Bh4 b3) 15. Qe2 Rc8 16. e4 a5 17. Rfd1 Nd7 18. e5 (18. Bf4 $142) 18... Bd5 19. Nd2 (19. h4 $17) 19... f6 $19 20. exf6 (20. Bh4 $17) 20... exf6 {[%cal Be7f6,Bf6f5][%mdl 32]} 21. Bh4 Re8 22. Qg4 Qc7 23. Nf1 f5 24. Qg5 b3 {[%cal Bb4b3,Bb3b2][%mdl 32]} 25. Bb1 $2 {[#]} (25. Bxf5 gxf5 26. Ne3 Rxe3 27. fxe3) 25... c3 {Black is clearly winning.} 26. bxc3 Qxc3 27. Bd3 b2 28. Rab1 Ba2 29. Qg3 Bxb1 30. Rxb1 Qxd4 31. Bg5 Rc3 {Precision: White = 41%, Black = 73%.} 0-1

[Event "Varennes Open-ch 2017"]
[Site "Varennes"]
[Date "2017.10.07"]
[Round "3"]
[White "Tomb, Maroun"]
[Black "Perez Garcia, Rodney Oscar"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2155"]
[BlackElo "2315"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2017.10.06"]
[EventCountry "CAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,100,45,47,37,31,31,29,-23,-43,-96,-46,-114,-110,-100,-110,-175,-160,-145,-149,-180,-186,-168,-175,-180,-170,-172,-156,-182,-179,-171,-168,-364,-116,-206,-196,-159,-105,-104,-114,-102,-94,-195,-75,-230,-208,-292,-290,-292,-288,-461,-470,-435,-295,-639,-386,-453,-463,-451,-431,-414,-430,-408,-398,-385,-286,-500,-409,-518,-509,-564,-386,-372,-379,-361,-291,-276,-131,-243,-210,-440,-397,-639,-554,-1329,-1202,-953,-945,-29990,-29991]} 1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Nf3 d5 5. Be2 Bg4 6. Be3 Nf6 7. e5 Nfd7 {LiveBook: 6 Games} 8. h3 {B15: Caro-Kann: 3 Nc3: 3...g6 and 3...dxe4 4 Nxe4 Nf6 5 Nxf6+ exf6} Bxf3 $1 9. Bxf3 e6 10. Be2 (10. Ne2 $142) 10... c5 $146 ({Predecessor:} 10... a6 11. O-O c5 12. f4 Nc6 13. dxc5 Bf8 14. Na4 Qa5 15. c4 Nxc5 16. cxd5 exd5 17. Nc3 d4 18. Nd5 O-O-O 19. Bd2 d3 20. Bg4+ {1-0 (20) Repkova,E (2434)-Khotenashvili,B (2461) Bucharest 2010}) 11. f4 ({White should try} 11. dxc5 $15 Bxe5 12. Nb5) 11... Qh4+ $17 12. Bf2 (12. Kf1 $15) 12... Qxf4 13. Nb5 {Threatens to win with Nc7+.} O-O {aiming for ...a6.} 14. Nc7 (14. c3 $17 {keeps fighting.} a6 15. g3) 14... cxd4 $19 15. Nxa8 {Black should prevent Nc7.} Qxe5 16. Qd3 Nc6 {[%mdl 1024] Black has strong compensation.} 17. Bg3 Qg5 {...Nb4 is the strong threat.} 18. h4 {[#]} Qe7 $1 19. Qb5 Nde5 20. Nb6 axb6 21. Qxb6 Nb4 22. O-O $2 (22. Bxe5 Bxe5 23. O-O-O) 22... Rc8 $2 (22... Nxc2 $19 23. Rac1 Ne3) 23. c3 (23. Rac1 $17 {is the only way for White.}) 23... dxc3 24. bxc3 Nc2 (24... Rxc3 $142 25. Rab1 Nec6) 25. Rab1 $17 Rxc3 26. Bf2 Rc7 27. a4 (27. Rfc1 $17) 27... h5 (27... Na3 $19 {has better winning chances.} 28. Rb3 Nac4) 28. a5 $2 (28. Rfc1 $17) 28... Na3 $19 29. Rbc1 (29. Rb3 $142 Nac4 30. Qb4) 29... Nac4 30. Qa7 Kh7 31. Qa8 $2 (31. a6 {was worth a try.}) 31... Bh6 32. Rc3 Qb4 33. Rg3 $2 (33. Qb8 Qxa5 34. Be1 Qc5+ 35. Bf2) 33... Bg7 34. a6 bxa6 35. Qxa6 Nd2 36. Rd1 Ne4 37. Qa3 Qb8 {White must now prevent ...Rc2.} 38. Rb3 Qd8 39. Be1 $2 (39. Bb6) 39... Bf8 40. Qb2 Qf6 41. Kh1 Bg7 42. Rc1 Rxc1 43. Qxc1 Nf2+ 44. Kg1 {[#]} Nfg4 (44... Bh6 $1 $19 {[%cal Rh6c1] is more deadly.} 45. Qb2 Ne4) 45. Bg3 (45. Qg5 $17 {was the only defense.}) 45... Bh6 46. Qb2 $2 {[#]} (46. Qf1 Qe7 47. Qe1) 46... d4 $1 {[%cal Bd5d4,Bd4d3,Bd3e2][%mdl 32]} 47. Kh1 $2 (47. Bxg4 Nxg4 48. Rf3 Be3+ 49. Kh1) (47. Qxd4 Nf3+) 47... Be3 48. Qb1 Nf2+ 49. Kh2 d3 50. Rb5 dxe2 {Precision: White = 20%, Black = 69%.} 0-1

[Event "Varennes Open-ch 2017"]
[Site "Varennes"]
[Date "2017.10.07"]
[Round "3"]
[White "Luksza, Arkadiusz"]
[Black "Hebert, Jean"]
[Result "1-0"]
[ECO "E46"]
[WhiteElo "2081"]
[BlackElo "2376"]
[Annotator "TA"]
[PlyCount "135"]
[EventDate "2017.10.06"]
[EventCountry "CAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,135,-14,0,-1,30,11,15,0,7,0,0,-8,0,-2,31,6,17,-13,0,-2,-6,-2,18,0,41,12,34,34,26,24,26,27,39,40,70,30,30,33,33,30,31,35,39,35,52,12,14,0,45,41,43,0,0,0,0,0,0,-18,7,0,52,58,20,21,162,158,168,127,129,128,129,140,135,123,131,110,140,107,124,99,93,67,221,221,222,222,218,225,225,225,222,218,279,296,293,278,270,248,244,244,238,214,236,237,244,244,243,236,229,222,222,0,221,196,435,444,29989,266,2331,512,2049,1566,5712,4358]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nge2 d5 6. a3 Be7 7. Ng3 Re8 {LiveBook: 7 Games. E46: Nimzo-Indian: Rubinstein: 4 e3 0-0 5 Ne2 without early Bd3} (7... c5 8. cxd5 Nxd5 9. Nxd5 Qxd5 10. e4 Qd8 11. Be3 Qb6 12. Qd2 Rd8 13. dxc5 Rxd2 14. cxb6 Rxb2 15. bxa7 Nc6 {1-0 (81) Usmanov,V (2459)-Inarkiev,E (2694) Sochi 2017}) 8. Be2 Nbd7 9. O-O c6 {The position is equal.} 10. e4 $146 ({Predecessor:} 10. b4 e5 11. cxd5 cxd5 12. dxe5 Nxe5 13. Bb2 Bf8 14. Rc1 Bg4 15. f3 {0-1 (44) Mokin,N-Romanov,E (2329) Kazan 2003}) 10... dxe4 11. Ngxe4 Nxe4 12. Nxe4 Nf6 13. Nc3 b6 14. Bf3 Qc7 15. Qb3 Bb7 16. Rd1 Rad8 17. Be3 Rd7 18. Rac1 Qb8 19. Qa4 b5 20. Qb3 ({Of course not} 20. cxb5 cxb5 21. Nxb5 a6 $15) 20... bxc4 21. Qxc4 Nd5 22. Ne4 Red8 23. b4 a5 24. Nc5 (24. bxa5 {keeps more tension.} Bxa3 25. Ra1 Be7 26. a6 Bc8 27. Qxc6 Rc7 28. Qa4) 24... Bxc5 $1 25. bxc5 Qa8 26. Bg5 Ba6 27. Qc2 Rb8 28. Rb1 Rdb7 29. Bxd5 exd5 30. Bf4 Re8 31. Rb6 Rbe7 {[#] ( -> ...Re1+)} 32. Qc3 (32. h3 {is more complex.} Re4 33. Bd6 Re2 34. Qb3 a4 35. Qxa4 Bb5 36. Qb4) 32... Bb5 33. h3 a4 34. Qg3 f6 35. Qc3 Bc4 36. Qb4 Kf7 (36... h6 $11) 37. Bd6 $14 Rd7 $1 38. Re1 {[#] Hoping for Rxe8.} Rxe1+ (38... Bb5 $1 $11 {and Black has nothing to worry.}) 39. Qxe1 $18 Qe8 40. Qxe8+ Kxe8 41. Rxc6 {[%mdl 4096] Endgame KRB-KRB} Rb7 {White must now prevent ...Kd7.} 42. Rc8+ Kd7 43. Ra8 Bb5 44. f3 Bc6 {aiming for ...Rb1+.} 45. Rg8 g6 46. Rh8 Ke6 47. Kf2 Ra7 $2 (47... Rb2+ $14 48. Kg1 Rb1+ 49. Kh2 h5) 48. g4 {[%cal Bg2g4,Bg4h5,Bh5h6][%mdl 32]} Rb7 49. Kg3 Bb5 50. h4 Bc6 51. Kf4 Bb5 52. h5 gxh5 53. gxh5 Bc6 54. h6 Bb5 55. Kg3 Bc6 56. Bf4 Bb5 57. Bd2 Bc6 58. Kf4 Bb5 59. Ba5 Bc6 60. Bb6 Bb5 61. Rg8 Bc6 62. Rh8 Bb5 63. Kg4 Bc6 $2 (63... Re7 64. Kf4 Rd7) 64. f4 {[%cal Bf3f4,Bf4f5][%mdl 32] Threatens to win with f5+.} Re7 (64... f5+ $18 65. Kg5 Rf7) 65. Rg8 $2 (65. f5+ {mates} Kf7 66. Rxh7+ Kf8 67. Rxe7 Kxe7 68. h7 Bb5 69. h8=Q Be2+ 70. Kf4) 65... Rb7 $2 (65... Kf7 66. Rg7+ Kf8) 66. Rd8 (66. f5+ $142 Ke7 67. Kf4) 66... Bd7 (66... Kf7 $142 67. f5 Re7) 67. f5+ Ke7 68. Rh8 {Precision: White = 61%, Black = 30%.} 1-0

[Event "Varennes Open-ch 2017"]
[Site "Varennes"]
[Date "2017.10.08"]
[Round "4"]
[White "Lenderman, Aleksandr"]
[Black "Sambuev, Bator"]
[Result "1/2-1/2"]
[ECO "B21"]
[WhiteElo "2591"]
[BlackElo "2535"]
[Annotator "TA"]
[PlyCount "128"]
[EventDate "2017.10.06"]
[EventCountry "CAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,128,-24,0,-35,-22,-46,-49,-65,-43,-109,-110,-110,-121,-118,-120,-118,-120,-135,-136,-133,-135,-118,-82,-149,-135,-114,-135,-103,-16,-330,-277,-322,-20,-14,-21,-17,-19,-64,-77,-98,-70,-112,-87,-110,-41,-33,-55,-54,-12,-116,-19,-133,-108,-203,0,0,0,-6,0,-96,-91,-100,-20,-20,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,41,45,64,64,64,64,64,15,16,39,283,39,39,15,15,15,22,22,22,22,22,22,22,24,100,100,91,8,8,8,8,0,0,0,8]} 1. Nf3 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. e4 e6 6. Bc4 a6 7. O-O Nge7 8. Bg5 d6 {LiveBook: 6 Partien. B21: Sizilianisch (Morra-Gambit 2.d4 und 2.f4)} (8... h6 {feels hotter.} 9. Bh4 g5 10. Bg3 Bg7 11. Bb3 b5) (8... f6 9. Be3 b5 10. Bb3 Na5 11. Bc2 Ng6 12. h4 Be7 13. h5 Ne5 14. Nxe5 fxe5 15. Qf3 Nc4 16. Bc1 Bb7 17. a4 {0-1 (45) Cuartas,J (2492)-Bachmann,A (2653) Medellin 2017}) 9. Re1 h6 {[%cal Bh7h6,Bh6h5,Bh5g4][%mdl 32]} 10. Bh4 g5 {Schwarz steht etwas besser.} 11. Bg3 Ng6 $1 12. Rc1 (12. h3 $15) 12... h5 $146 ({Vorgänger:} 12... Be7 13. Bb3 h5 14. h3 g4 15. hxg4 hxg4 16. Nd4 {0-1 (23) Lorenz,O (1962)-Blodig,C (1946) Bad Neustadt 2003}) 13. h3 g4 14. hxg4 hxg4 15. Nh2 Bh6 16. Rc2 Nce5 $36 {[%mdl 2048] Schwarz ist am Drücker.} 17. Ne2 b5 18. Bb3 Qb6 19. Nd4 (19. Nc3 $142) 19... Bf4 20. Bxf4 Nxf4 21. Nxg4 Bb7 ({Minderwertig wäre} 21... Ned3 22. Nc6 $16) (21... Qd8 $1 $17 {[%cal Rd8h4]} 22. g3 (22. Nxe5 $2 Qh4 $19) 22... Bb7 23. Nxe5 (23. gxf4 $2 Qh4 $19) 23... dxe5 24. gxf4 exd4) 22. Nxe5 $4 {[%mdl 8192]} (22. Qd2 $1 $11 {und Weiss steht sicher.} Ned3 23. Nf3 Nxe1 24. Nxe1) 22... dxe5 $19 23. Nf3 Rg8 $2 ({Schwächer ist} 23... Rd8 24. Rd2 $11) (23... Ke7 $1 $19 {zielt auf ...Tag8 ab.} 24. Nxe5 Rag8) 24. Nxe5 $11 {Weiss will mit Dd7+ Matt setzen.} Rxg2+ 25. Kf1 $1 {jetzt Dd7+ und aus.} Qd8 $1 {[%cal Rd8e7]} ({Falsch wäre} 25... Rd8 $2 26. Qf3 $18) 26. Qxd8+ Rxd8 27. Nf3 Rd3 28. Rc3 {Schwarz muss nun Txd3 beachten.} Rg8 29. Re3 Rxc3 (29... Rd7 $1 $17 {Und weiter mit ...Th8 wäre nett.} 30. Ne5 Rh8 $1 {[%mdl 512]}) 30. Rxc3 $15 Rh8 31. Ng1 Rh2 32. Bc2 {[#]} (32. f3 $1 $11) 32... Kd7 (32... f5 $1 $17 {[%mdl 512]} 33. Ne2 (33. exf5 Bg2+) 33... Rh1+ 34. Ng1 Kd7) 33. b4 (33. Rg3 $11) 33... Kd6 34. Rc5 {[#]} (34. Ra3 $17) 34... e5 $2 {[#]} (34... f5 $1 $19 {[%mdl 512]} 35. f3 (35. exf5 Bg2+) 35... e5) 35. Rxe5 $1 $11 {[%mdl 512]} Bc8 (35... Kxe5 36. Nf3+) 36. Rg5 f6 37. Rg3 (37. Nf3 $11) 37... Rh1 $17 {Droht stark ...Lh3+.} 38. e5+ fxe5 ({Besser ist} 38... Kxe5 $17 {...Lh3+ ist eine echte Drohung.} 39. Re3+ Kd4 40. Re4+ Kc3 41. Rxf4 Kxc2) 39. Be4 $11 Rh6 40. Ke1 Be6 41. Ra3 Bc8 42. Rc3 Bd7 43. Ne2 Nxe2 44. Kxe2 {[%mdl 4096] Endspiel KTL-KTL} Rh4 45. Ke3 Rh3+ 46. f3 Rh2 47. a3 Ra2 48. Bb7 Be6 49. Rc6+ Kd7 {Droht ...Ld5 und aus.} 50. Rxa6 Bc4 {[%csl Gc4][%cal Ra2e2]} 51. Ke4 Kc7 52. Ba8 Re2+ 53. Kf5 {Und Le4 würde nun gewinnen.} Re3 54. Kg4 Be2 55. Kg3 Rc3 56. Kf2 Bd1 57. Bd5 Ba4 58. Re6 Rxa3 59. Rxe5 Kd6 (59... Rd3 $1 $11 {bleibt in der Remisbreite.}) 60. f4 $16 Rc3 61. Ke2 ({Günstiger ist} 61. Bg8 $16) 61... Rc2+ $1 $11 {Die Stellung ist ausgeglichen.} 62. Kd3 Rb2 63. Kc3 Rc2+ 64. Kd3 Rb2 {Precision: Weiß = 43%, Schwarz = 50%.} 1/2-1/2

[Event "Varennes Open-ch 2017"]
[Site "Varennes"]
[Date "2017.10.08"]
[Round "4"]
[White "Ortiz Suarez, Isan Reynaldo"]
[Black "Thavandiran, Shiyam"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "2528"]
[BlackElo "2385"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2017.10.06"]
[EventCountry "CAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,81,43,46,43,49,46,46,44,45,0,0,-25,0,0,-11,-14,0,-46,-30,-30,-19,-21,-29,-39,-41,-30,-19,-54,-43,-58,-52,-54,-43,-41,-17,-25,-15,-31,0,0,0,0,0,0,17,0,86,80,101,39,39,58,49,0,23,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-24,-27,-21]} 1. Nf3 Nf6 2. c4 e6 3. g3 c5 4. Bg2 a6 5. Nc3 Qc7 6. O-O {A30: Symmetrical English: Double Fianchetto and Hedgehog} d6 7. d4 cxd4 8. Nxd4 {White is slightly better.} Be7 9. Nb3 $146 ({Predecessor:} 9. e4 O-O 10. Be3 Nc6 11. Rc1 Ne5 12. b3 Bd7 13. h3 Rad8 14. f4 Ng6 15. Qe2 h6 16. Qf2 Rb8 17. a4 Rfe8 18. Nde2 b6 19. g4 {1-0 (34) Zhao,X (2506)-Mkrtchian,L (2434) Huaian 2016}) 9... Qxc4 10. Be3 {next Rc1 is good for White.} Qc7 11. Rc1 Nc6 12. Na4 d5 13. Nd4 O-O 14. Nb6 Rb8 15. Qa4 $1 {[%cal Rd4c6]} Bd7 16. Nxd7 Qxd7 17. Nxc6 bxc6 18. Rxc6 Rxb2 19. Rfc1 Ra8 20. Bd4 Rb4 21. Qd1 Rb7 22. e3 a5 23. a4 Ba3 24. R1c2 Rab8 25. Bf1 Rb1 26. Qd3 Bf8 27. Qa6 h6 {[#]} (27... Re1 $11 {keeps the balance.} 28. Rc8 Reb1) 28. Kg2 $1 $16 Qb7 29. Bb5 (29. Qxa5 $16 Ne8 30. Bd3) 29... Qxa6 $14 30. Rxa6 Bb4 31. Rac6 {[%mdl 1024] White has compensation.} Rb3 32. Rc7 Ne4 33. h4 Bd6 34. Ra7 Bb4 35. Be5 Rf8 36. Bd7 {Black must now prevent Bxe6!} Nc5 {[#] And now ...Nd3 would win.} 37. Bb5 Nd3 38. Bxd3 $1 Rxd3 39. Ra2 Rc8 40. Bc7 Bc5 41. Rb7 {Precision: White = 61%, Black = 59%.} 1/2-1/2

[Event "Varennes Open-ch 2017"]
[Site "Varennes"]
[Date "2017.10.08"]
[Round "4"]
[White "Hambleton, Aman"]
[Black "Sai Krishna G V"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2479"]
[BlackElo "2369"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2017.10.06"]
[EventCountry "CAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,95,19,16,25,24,18,30,18,39,34,36,38,69,72,61,61,77,77,111,115,155,149,168,165,156,85,96,96,99,107,106,102,125,116,104,117,129,117,160,169,151,131,210,46,44,0,0,0,0,6,37,37,126,114,125,118,123,122,145,156,188,189,188,188,187,183,239,254,381,400,664,663,650,641,641,617,29987,29988,29988,756,756,756,756,645,29980,29980,29980,29981]} 1. d4 Nf6 2. Bf4 g6 3. Nc3 d5 4. e3 Nh5 $146 ({Predecessor:} 4... Bg7 5. h4 c6 6. Nf3 Bg4 7. Be2 Nbd7 8. Ne5 Bxe2 9. Qxe2 h5 10. O-O-O Qa5 11. Kb1 {1-0 (44) Karjakin,S (2781)-Giri,A (2771) Stavanger 2017}) 5. Bg5 h6 6. Bh4 {A45: Trompowsky Attack} Bg7 7. Be2 Nf6 8. Nf3 {White has an edge.} Nbd7 9. Ne5 c6 10. f4 Ne4 11. Nxe4 dxe4 12. Bc4 $36 {[%mdl 2048] White has good play.} Nxe5 13. fxe5 g5 14. O-O e6 15. Qh5 {[%csl Gf1][%cal Rh5f7]} O-O 16. Bg3 b5 17. Bb3 ({White should play} 17. Be2) 17... c5 18. c3 b4 19. Qg4 Ba6 20. Qxe4 Bxf1 21. Rxf1 bxc3 22. bxc3 Rc8 23. c4 f5 24. exf6 $1 Rxf6 25. Rd1 {Threatens to win with Bc2.} Qe8 (25... Qe7 $16 {might work better.} 26. d5 Qe8) 26. h3 $2 ({White has to play} 26. Bc2 $18 Rd8 27. Bc7 (27. Qh7+ Kf8 $18)) 26... Qg6 $1 $14 {[%cal Rg6e4]} 27. Qb7 Rff8 28. dxc5 g4 29. hxg4 {Strongly threatening Bd6.} Qxg4 30. Bd6 Qe2 {[#]} (30... Rcd8 $14) 31. Qe4 $1 $16 ({Don't play} 31. Bxf8 $6 Qxe3+ 32. Kh1 Rxf8 $11) 31... Qf2+ 32. Kh1 Qf5 33. Bc2 Qxe4 34. Bxe4 Rfd8 35. c6 Bc3 {And now ...Bb4! would win.} 36. c5 Bb4 {Hoping for ...Bxc5!} 37. Rd4 a5 (37... Ba5 $142 38. Kh2 Bc7) 38. Bf3 $18 Kf7 (38... Bc3 $142 39. c7 Rd7) 39. Rf4+ Kg7 (39... Kg8 $142 40. Rf6 Rxd6 41. cxd6 Bxd6 42. Rxe6 Bc7) 40. Be5+ Kg8 41. Rf6 Bxc5 42. Rxh6 {White wants to mate with Bh5.} Bxe3 43. Rh8+ Kf7 44. Rxd8 (44. Bh5+ $142 Ke7 45. Rh7+ Kf8 46. Bf6 Rd1+ 47. Bxd1 Bd4 48. Rh8+ Kf7 49. Rxc8 Bxf6 50. c7) 44... Rxd8 45. c7 Rc8 46. Bb7 Bd4 47. Bxc8 Bxe5 {[#]} 48. Bxe6+ $1 {[%mdl 512] Precision: White = 78%, Black = 42%.} 1-0

[Event "Varennes Open-ch 2017"]
[Site "Varennes"]
[Date "2017.10.08"]
[Round "4"]
[White "Ruiz Sanchez, Orlen"]
[Black "Luksza, Arkadiusz"]
[Result "1/2-1/2"]
[ECO "C11"]
[WhiteElo "2409"]
[BlackElo "2081"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2017.10.06"]
[EventCountry "CAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,96,0,0,0,22,23,13,15,41,21,22,22,42,22,67,57,57,57,55,50,72,58,60,60,66,49,57,35,52,38,36,15,16,0,0,0,18,0,0,0,-7,-8,-6,-13,-14,-36,6,12,25,0,0,0,0,0,0,0,0,0,0,0,0,3,3,3,3,0,0,0,0,4,4,4,4,4,8,0,0,0,0,0,29999]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 a6 8. Qd2 b5 9. g3 Bb7 {LiveBook: 4 Games. C11: French: Classical System: 4 e5 and 4 Bg5 dxe4} (9... b4 10. Ne2 a5 11. f5 cxd4 12. Nexd4 Nxd4 13. Nxd4 Nxe5 14. O-O-O Bd7 15. Bf4 Nc4 16. Qe2 Qf6 17. Bg2 Be7 18. Rhe1 {1-0 (26) Inarkiev,E (2684)-Vitiugov,N (2617) Dagomys 2008}) 10. Bh3 cxd4 11. Nxd4 Nxd4 {White has an edge.} 12. Bxd4 Bc5 13. Ne2 Bxd4 $146 ({Predecessor:} 13... O-O 14. O-O-O Be7 15. Kb1 Nc5 16. Qe3 Ne4 17. Bg2 {0-1 (55) Plump,D (2255)-Holzke,F (2400) Berlin 1997}) 14. Nxd4 Qb6 15. O-O-O g6 16. Rhe1 Nc5 17. Kb1 O-O-O 18. Qe3 Qc7 19. Bg2 Kb8 20. Rd2 Rc8 21. Bf3 Rhd8 22. g4 Ne4 23. Bxe4 dxe4 24. g5 Rh8 25. Ne2 h6 26. gxh6 Rxh6 27. Ng3 Rh3 28. Qd4 Rh4 29. Qf2 Qc5 30. Qxc5 Rxc5 31. Nxe4 (31. Rf2 {feels hotter.} Rc4 32. Re3 b4 33. Kc1 Kc7 34. b3) 31... Bxe4 32. Rxe4 $11 {[%mdl 4096] Endgame KRR-KRR} g5 33. b4 Rd5 {The position is equal.} 34. Rf2 Kc7 35. Kb2 Kd7 36. c4 bxc4 37. Rxc4 Rxe5 38. fxe5 Rxc4 39. Rxf7+ {KR-KR} Kc6 $1 40. Kb3 Re4 41. a4 {And now a5 would win.} Rxe5 42. a5 {[#] Threatens to win with Ra7.} Re3+ 43. Ka4 {aiming for Ra7.} Re1 $1 44. Ra7 Ra1+ 45. Kb3 Rb1+ 46. Ka3 Kb5 47. Rb7+ Kc4 48. Rc7+ Kb5 $2 {[%mdl 40960] Precision: White = 37%, Black = 66%. . An unexpected result.} (48... Kd4 $11) 1/2-1/2

[Event "Varennes Open-ch 2017"]
[Site "Varennes"]
[Date "2017.10.08"]
[Round "4"]
[White "Perez Rodriguez, Luis Manuel"]
[Black "Rodrigue-Lemieux, Shawn"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "2368"]
[BlackElo "2151"]
[Annotator "TA"]
[PlyCount "125"]
[EventDate "2017.10.06"]
[EventCountry "CAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,125,32,54,29,41,-4,35,0,14,-16,24,31,30,21,29,19,37,28,64,39,76,40,37,0,31,41,72,61,69,74,79,31,28,0,0,0,36,14,31,25,24,25,60,44,58,45,40,27,28,22,22,0,33,16,20,-1,29,0,19,0,28,32,36,12,57,37,61,74,55,44,85,34,34,0,95,37,192,207,369,361,348,340,326,322,272,187,209,131,136,128,146,146,146,146,373,372,411,391,492,491,479,472,469,445,550,546,545,528,708,778,748,738,716,705,620,562,891,885]} 1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nf6 5. Qe2 Qd5 (5... Bf5 6. Nxf6+ gxf6 7. d3 Nd7 8. g3 Ne5 9. Nxe5 Qa5+ 10. Bd2 Qxe5 11. Qxe5 fxe5 12. Bg2 h5 13. O-O {½-½ (48) Vachier Lagrave,M (2783)-Carlsen,M (2851) Leuven 2017}) 6. Nxf6+ {B11: Caro-Kann: Two Knights Variation} gxf6 7. h3 $146 ({Predecessor:} 7. d4 Bg4 8. Be3 e6 9. h3 Bxf3 10. Qxf3 Qxf3 11. gxf3 Nd7 12. Rg1 Bd6 13. Bd3 {½-½ (57) Zarubitski,V (2325)-Hakobyan,A (2449) Kirishi 2017}) 7... Bh6 8. b3 {White is slightly better.} Bf5 9. c4 Qe4 (9... Qd6 {is more complex.} 10. d4 Bxc1 11. Rxc1 Na6 12. Qd2 Be4) 10. d3 {[%cal Bd2d3,Bd3d4][%mdl 32]} Qxe2+ 11. Bxe2 Bxc1 12. Rxc1 c5 13. d4 Nd7 14. O-O Rg8 15. Kh2 (15. Nh4 $5 {[%cal Rh4f5]} Bxh3 16. Rc3 Bxg2 17. Nxg2 $16) 15... Be4 16. Rfd1 O-O-O 17. d5 Ne5 18. Ne1 Kc7 19. f3 {[%cal Bf2f3,Bf3f4][%mdl 32]} Bf5 20. f4 Ng6 21. Bd3 Bc8 22. Bxg6 Rxg6 23. Rd3 Rdg8 24. Rcd1 Kd6 25. R1d2 a6 26. Re3 b6 27. Rde2 Re8 28. Nf3 h5 29. Nd2 Bf5 30. Nf3 {Black must now prevent Nh4.} Bc8 31. Nh4 Rgg8 32. Rb2 b5 33. Rd2 Bd7 34. Rde2 Bc8 35. Nf3 Bf5 36. Nd2 b4 37. Re1 a5 38. Nf1 $1 {[%cal Rf1g3]} Bc2 39. R1e2 Bb1 40. Rb2 (40. Ng3 $16) 40... Bh7 41. Rbe2 Rh8 (41... Bb1 $11) 42. Rf2 (42. Ng3 $16) 42... h4 $2 {[#]} (42... e6 $14) 43. f5 $1 $18 Ref8 $2 (43... e6 {keeps fighting.}) 44. Nd2 Kd7 45. Re4 Bg8 46. Rfe2 Re8 47. Nf3 Rh5 48. Nxh4 Bh7 49. Rf2 Ra8 50. g3 {[%cal Bg2g3,Bg3g4][%mdl 32]} Kd6 51. Ref4 a4 $2 {[#]} (51... Rh8 $16 52. Rg4 Rf8) 52. Ng2 $1 axb3 53. axb3 Ra3 54. g4 {White is clearly winning.} Rg5 55. R4f3 Rg8 56. Re3 Rga8 57. Rfe2 R8a7 58. Nf4 Ra2 {[#]} 59. Rxe7 $1 {[%mdl 512]} Rxe7 60. Rxa2 Re3 61. Nh5 Rxb3 62. Nxf6 Ke5 63. Rd2 {Precision: White = 44%, Black = 29%.} 1-0

[Event "Varennes Open-ch 2017"]
[Site "Varennes"]
[Date "2017.10.08"]
[Round "4"]
[White "Perez Garcia, Rodney Oscar"]
[Black "Alvarez Pedraza, Aramis"]
[Result "0-1"]
[ECO "B10"]
[WhiteElo "2315"]
[BlackElo "2489"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2017.10.06"]
[EventCountry "CAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,62,-23,-16,0,-20,-25,-22,0,-104,-103,-125,-133,-220,-212,-226,-200,-186,-125,-119,-111,-114,-117,-115,-106,-235,-232,-218,-216,-418,-395,-412,-414,-397,-385,-454,-383,-530,-495,-608,-595,-539,-528]} 1. e4 c6 2. c4 d5 3. exd5 cxd5 4. cxd5 Nf6 5. Bb5+ Nbd7 6. Nc3 a6 7. Qa4 g6 8. Nf3 Bg7 9. O-O O-O 10. Bxd7 Nxd7 11. Qh4 {B10: Caro-Kann: 2 d3 and 2 c4} (11. d3) 11... Nf6 12. d4 {LiveBook: 3 Games} b5 13. Bg5 {The position is equal.} Bb7 14. a3 Bxd5 15. Bxf6 $146 (15. Ne5 $11) ({Predecessor:} 15. Nxd5 Nxd5 16. Rac1 Qd6 17. Rc5 Rfc8 18. Rfc1 Rxc5 19. Rxc5 {½-½ (49) Fuksik,J (2275)-Mlynek,P (2199) Czechia 2000}) 15... Bxf6 $17 16. Ng5 {[%csl Gg5][%cal Rh4h7] [#]} h5 {...e6 is the strong threat.} 17. Rfe1 (17. Qg3 $17 {was necessary.}) 17... e6 $19 18. Re5 Bxe5 19. dxe5 f6 (19... Rc8 $19 {Threatens to win with ...Rc4.} 20. Qf4 Rc4) 20. Nge4 {[%cal Re4f6]} fxe5 21. Qg3 Qe8 22. Nd6 Qe7 ({Much worse is} 22... h4 $6 23. Qg4 $15 (23. Qg5 Qd7 $17)) 23. Qxg6+ (23. Nxd5 $17 exd5 24. Qxg6+ Qg7 25. Qxh5) 23... Qg7 24. Qxg7+ Kxg7 25. f3 $2 {[#]} (25. Re1) 25... Rfd8 26. Nde4 Bxe4 27. Nxe4 Rac8 28. Kf1 a5 29. h4 Rc2 {Black is clearly winning.} 30. Rb1 Rd3 31. b3 Kg6 {Precision: White = 13%, Black = 68%.} 0-1

[Event "Varennes Open-ch 2017"]
[Site "Varennes"]
[Date "2017.10.08"]
[Round "4"]
[White "Vettese, Nicholas"]
[Black "Vera Gonzalez-Quevedo, Reynaldo"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2155"]
[BlackElo "2446"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2017.10.06"]
[EventCountry "CAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,48,17,33,10,18,18,54,18,46,29,26,-15,25,25,20,27,164,152,151,99,105,63,49,52,164,135,324,321,327,320,315,293,292,275,29999]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Nb3 e6 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} 7. g4 h6 (7... b5 8. Bg2 Bb7 9. g5 Nfd7 10. O-O Be7 11. f4 O-O 12. Qg4 Re8 13. Be3 Nc6 14. Rad1 {1-0 (51) Demchenko,A (2645)-Areshchenko,A (2652) Tbilisi 2017}) 8. h4 Nc6 {LiveBook: 3 Games. The position is equal.} 9. Bg2 Nd7 10. Qe2 $146 ({Predecessor:} 10. g5 b5 11. Be3 Nce5 12. Qe2 b4 13. Na4 a5 14. Nd4 {0-1 (29) Pogorelskikh,S (2233)-Raja,H (2334) Kazan 2017}) 10... Be7 11. Bf4 Qc7 12. O-O-O b5 13. g5 hxg5 14. hxg5 Rxh1 15. Rxh1 g6 (15... b4 $11 16. Nd5 exd5) 16. Rh8+ $18 Bf8 17. e5 ({White should play} 17. Be3) 17... dxe5 $16 18. Bxc6 Qxc6 19. Bxe5 {Hoping for Ne4.} Qg2 {[#]} (19... Bb7 $14) 20. Ne4 $1 $36 {[%mdl 2048] White is in control.} Nxe5 $2 (20... Bb7 $16 {was worth a try.} 21. Nd6+ Ke7 22. Nxb7 Qxb7) 21. Nf6+ Ke7 22. Qxe5 Qf1+ 23. Kd2 {Intending Qc7+ and mate.} Qxf2+ 24. Kc3 {[#] Threatening mate with Qc7+.} Bb7 $2 (24... b4+ $18 25. Kxb4 Qb6+ 26. Ka3 Bb7) 25. Qc7# {Precision: White = 64%, Black = 38%.} 1-0

[Event "Varennes Open-ch 2017"]
[Site "Varennes"]
[Date "2017.10.08"]
[Round "4"]
[White "Chabot, Roland"]
[Black "Morella Cabrera, Julio Antonio"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "2153"]
[BlackElo "2248"]
[Annotator "TA"]
[PlyCount "153"]
[EventDate "2017.10.06"]
[EventCountry "CAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,153,31,33,26,35,29,52,51,56,47,65,48,74,50,59,52,93,81,97,85,122,124,139,143,155,141,152,145,156,155,154,141,174,138,140,140,143,133,169,136,208,202,230,39,39,39,39,39,39,39,39,39,39,39,39,39,39,39,39,0,39,39,39,39,39,39,39,0,39,39,39,0,39,39,39,39,39,39,39,39,39,39,39,39,39,39,39,39,39,39,39,39,39,39,39,39,39,0,39,0,39,39,39,39,39,38,39,38,39,39,39,0,39,0,39,39,69,39,69,39,39,39,39,0,69,0,39,0,69,69,96,96,116,15,15,15,97,109,118,8]} 1. d4 d5 2. c4 e6 3. Nf3 c6 4. e3 f5 5. Bd3 Nf6 6. O-O Bd6 7. b3 Qe7 8. Bb2 O-O 9. Nc3 {A84: Dutch Defence: 2 c4 Miscellaneous} (9. Ne5 Bd7 10. Nd2 Be8 11. f3 Bh5 12. Qe1 Nbd7 13. Kh1 Rad8 14. Nxd7 Nxd7 15. e4 dxe4 16. fxe4 f4 {1-0 (43) Bu,X (2710)-Wei,Y (2734) Zaozhuang 2015}) 9... Ne4 10. Ne2 Bd7 11. Ne5 {White is slightly better.} Be8 12. f3 Ng5 13. Qc2 (13. Bc2 {keeps more tension.} Nd7 14. Nd3 b6 15. Qd2 a5 16. a4) 13... Nf7 $146 ({Predecessor:} 13... Nd7 14. Kh1 Nf7 15. f4 Nf6 16. c5 Bc7 17. b4 Ne4 18. a4 a6 19. Nc3 Nxe5 20. fxe5 Bh5 21. Nxe4 {½-½ (21) Farago,I (2486)-Izsak,G (2471) Hungary 2013}) 14. Nxf7 Bxf7 15. e4 g6 16. e5 Bc7 17. c5 Kh8 18. b4 {[%cal Bb3b4,Bb4b5][%mdl 32]} Rg8 19. a4 Be8 20. b5 g5 21. g4 fxg4 22. fxg4 Nd7 23. Ng3 Bg6 24. Rf2 Raf8 25. Raf1 Rxf2 26. Rxf2 Bd8 27. Bc1 Bxd3 (27... Nf8 $16 28. Bxg6 Nxg6) 28. Qxd3 $18 Rf8 {[#]} 29. Rxf8+ $2 ({White should try} 29. bxc6 $1 $18 bxc6 30. Rb2) 29... Nxf8 $14 30. Nh5 Qf7 31. bxc6 bxc6 32. Qf1 Qxf1+ 33. Kxf1 {[%mdl 4096] Endgame KBN-KBN} Kg8 34. Bd2 Kf7 35. Kf2 Ng6 36. Ke2 Nh8 37. Kf2 Kg6 38. Kf3 Nf7 39. Bc3 h6 40. Bd2 Bc7 41. Bc3 Bd8 42. Ke3 Nh8 43. Kf3 Kf7 44. Bd2 Ng6 45. Kf2 Nf8 46. Ke2 Nd7 47. Kd3 Bc7 48. Bc3 Bd8 49. Ke3 Nf8 50. Bd2 Ng6 51. Kf3 Nh4+ 52. Kf2 Kg6 53. Ng3 Kh7 54. Bc3 Ng6 55. Nh5 Nh8 56. Ke3 Kg8 57. Kf3 Kf8 58. Ng3 Ke8 59. Ne2 Kd7 60. Nc1 Bc7 61. Nd3 Nf7 62. Bd2 Bd8 63. Bc3 Kc8 64. Bd2 Be7 65. Kg2 Nd8 66. Nc1 Kb7 67. Nb3 (67. h4 $5) 67... Nf7 68. Na5+ Kc7 69. Nb3 Bd8 (69... Kb7 $11) 70. Na5 ({Better is} 70. h4 $14) 70... Nh8 71. Nb3 Kb7 (71... Nf7 $11) 72. h4 gxh4 73. Bxh6 Nf7 74. Bg7 (74. Bf4 $16) 74... Ng5 $1 $11 75. Bf6 Bxf6 (75... Kc7 $11) 76. exf6 $16 {aiming for Nd2.} Kc7 {[#]} 77. f7 {[%mdl 32768] Precision: White = 50%, Black = 54%. . Loss on Time!?} ({White has to play} 77. Nc1 $1 $16) 1-0

[Event "Varennes Open-ch 2017"]
[Site "Varennes"]
[Date "2017.10.08"]
[Round "4"]
[White "Huang, Qiuyu"]
[Black "Chiku-Ratte, Olivier-Kenta"]
[Result "1-0"]
[ECO "B44"]
[WhiteElo "2153"]
[BlackElo "2317"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2017.10.06"]
[EventCountry "CAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,93,0,12,-52,48,44,65,63,57,51,63,48,59,35,53,45,104,102,96,34,39,51,47,0,0,-35,-34,-35,-19,-31,-24,-60,128,103,200,206,340,333,379,377,366,355,1368,373,364,379,388,354,437,434,432,418,489,472,500,457,433,369,485,485,556,529,618,527,628,618,593,599,609,532,532,532,532,532,630,600,782,779,711,679,1177,1167]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nxc6 bxc6 6. Bd3 Nf6 7. O-O Qc7 {LiveBook: 20 Games} 8. b3 {B40: Sicilian: 2...e6, Unusual lines} ({Better is} 8. c4 $11) (8. c4 e5 9. Nc3 Bc5 10. Rb1 a5 11. Na4 Bd4 12. c5 O-O 13. Bg5 d6 14. Nb6 Rb8 15. Nxc8 Qxc8 16. Bxf6 gxf6 17. cxd6 {1-0 (76) Dehmelt,K (2246)-Ortiz Suarez,I (2625) Philadelphia 2015}) 8... h5 $146 (8... Qe5 $15 9. c3 Nxe4) ({Predecessor:} 8... d5 9. exd5 cxd5 10. Bb2 Be7 11. Nd2 O-O 12. Re1 Rd8 13. Be5 Qa5 14. a3 Ba6 15. b4 Qa4 {½-½ (42) Kristinardottir,E (1819)-Purgar,I (2136) Warsaw 2013}) 9. Nd2 $14 {[%cal Bb1d2,Bd2f3,Bf3d4][%mdl 32]} d5 10. Bb2 {White is slightly better.} Bd6 11. h3 $1 Bf4 12. Re1 Bb7 13. exd5 cxd5 14. Nf3 O-O-O (14... Kf8 $14) 15. Qe2 $16 Ne4 16. Ba6 ({White should try} 16. Rad1 $16) 16... Rhg8 $14 17. Bxb7+ Kxb7 18. Nd4 a6 19. Qf3 {aiming for Rxe4.} e5 20. Rxe4 dxe4 21. Qxe4+ Kb6 22. g3 Bd2 $2 (22... Qb7 $1 $15 {keeps the upper hand.} 23. Qxb7+ Kxb7) 23. a4 $16 {[%cal Ba2a4,Ba4a5][%mdl 1056] White has strong compensation.} Qc5 {[#]} ({Not} 23... exd4 $2 24. Bxd4+ Rxd4 25. Qxd4+ Kb7 26. Qd5+ Kb8 27. Qxd2 $18) (23... Rc8 $16 {was worth a try.}) 24. a5+ $1 $18 {[%mdl 512]} Kc7 (24... Bxa5 {keeps fighting.} 25. b4 Qxb4 26. Qc6+ Ka7) 25. Nf3 f6 {[#]} 26. Ra4 $1 {[%cal Ra4c4]} Qd5 {Hoping for ...Qxe4.} 27. Rc4+ ({Resist} 27. Nxd2 Qxe4 28. Nxe4 Kc6 $18) 27... Kd6 $2 (27... Kb8) 28. Qxd5+ $2 (28. Ba3+ Ke6 29. Rc6+ Qxc6 30. Qxc6+ Kf5 31. Nh4+ Kg5 32. Be7) 28... Kxd5 29. Nxd2 Ke6 30. Ne4 Kf5 31. Nc5 Rd6 32. Kg2 Re8 33. Ne4 Rd5 34. Ba3 Red8 35. Nc5 R8d6 36. Nd3 {White is clearly winning.} Re6 37. Bc5 g5 38. Nb4 Rd1 39. Bb6 Red6 40. Rc6 R6d2 {[#]} 41. g4+ $1 hxg4 42. hxg4+ Kxg4 43. Rxf6 Re2 44. Nd3 e4 45. Ne5+ Kh5 46. Rf7 {[%cal Rf7h7]} g4 47. Be3 {Precision: White = 70%, Black = 24%.} 1-0

[Event "Varennes Open-ch 2017"]
[Site "Varennes"]
[Date "2017.10.08"]
[Round "4"]
[White "Duong, Thanh Nha"]
[Black "Bruzon Batista, Lazaro"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "2132"]
[BlackElo "2660"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2017.10.06"]
[EventCountry "CAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,46,13,-7,37,0,11,0,25,-25,4,8,17,14,22,0,12,-18,14,0,22,0,19,19,19,19,19,12,38,39,42,35,38,-12,-12,-32,45]} 1. c4 e5 2. Nc3 d6 3. g3 g6 4. Bg2 Bg7 5. d3 Ne7 6. Nf3 O-O 7. O-O h6 {A21: English Opening: 1...e5 2 Nc3} 8. Rb1 f5 9. Nd2 (9. Bd2 Nd7 10. b4 Nf6 11. Qb3 Be6 12. Rfc1 Qd7 13. Ne1 c6 14. b5 c5 15. b6 a6 16. Qa4 Qc8 17. f4 exf4 18. gxf4 Kh8 {0-1 (35) Maletin,P (2575)-Kurnosov,I (2633) Khanty-Mansiysk 2011}) 9... Nd7 {The position is equal.} 10. Nd5 $146 ({Predecessor:} 10. b4 Nf6 11. b5 g5 12. e3 Ng6 13. Nd5 Nxd5 14. cxd5 g4 15. f4 exf4 16. exf4 h5 17. Bb2 Bxb2 18. Rxb2 h4 19. Re1 Qf6 {1-0 (46) Erdogdu,M (2441)-Yilmazyerli,M (2443) Gebze 2016}) 10... c6 (10... a5 {keeps more tension.} 11. b3 c6 12. Nc3 Nc5 13. Bb2 Rb8) 11. Nxe7+ Qxe7 12. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} Nf6 13. a4 {[%cal Ba2a4,Ba4a5,Ba5a6][%mdl 32]} Be6 14. Ba3 Rac8 15. a5 Rfd8 16. Qa4 Qd7 17. b5 c5 18. a6 b6 19. Bb2 Qe7 20. Rbe1 Bf7 21. Bb7 Rc7 22. e4 f4 $1 23. Nf3 h5 {[%mdl 32768] Precision: White = 24%, Black = 39%. . Loss on Time!?} (23... Be6 $15) 0-1

[Event "Varennes Open-ch 2017"]
[Site "Varennes"]
[Date "2017.10.08"]
[Round "5"]
[White "Bruzon Batista, Lazaro"]
[Black "Hambleton, Aman"]
[Result "1-0"]
[ECO "E15"]
[WhiteElo "2660"]
[BlackElo "2479"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2017.10.06"]
[EventCountry "CAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,101,13,18,0,17,18,23,13,19,22,24,12,43,21,12,8,40,25,66,8,31,14,58,28,85,82,90,79,154,160,145,53,94,56,64,63,79,64,64,64,63,59,54,41,49,58,52,52,52,22,27,44,27,26,228,212,210,216,593,589,591,566,586,541,537,529,514,518,503,493,468,441,419,255,446,399,675,716,29991,29992,29992,29993]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb7 6. Bg2 Bb4+ 7. Bd2 c5 8. O-O O-O 9. Bxb4 cxb4 10. Qd3 a5 {E15: Queen's Indian: 4 g3 sidelines, 4 g3 Ba6 and 4 g3 Bb7 early deviations} 11. Nbd2 d6 {LiveBook: 16 Games} 12. Nh4 (12. e4 e5 13. Ne1 Nc6 14. Nc2 {1-0 (46) Jakovenko,D (2724)-Bologan,V (2712) Poikovsky 2012}) 12... Bxg2 {The position is equal.} 13. Nxg2 Re8 14. Rfd1 Nbd7 $146 ({Predecessor:} 14... Nc6 15. Ne3 Qd7 {½-½ (15) Schmidt,T (2572)-Hiltunen,R (2469) ICCF email 2008}) 15. e4 e5 16. Ne3 Nf8 17. f3 Ne6 18. Nc2 h5 19. Nf1 h4 20. Qe3 (20. dxe5 $14 dxe5 21. Qxd8 Rexd8 22. Nfe3) 20... Qc7 21. Rd2 Rad8 22. Rad1 Qb8 (22... Qe7 $11 {remains equal.}) 23. d5 $16 Nf8 {[%cal Be6f8,Bf8d7,Bd7c5][%mdl 32]} 24. Qg5 hxg3 ({Black should play} 24... Ng6) 25. hxg3 (25. Nxg3 $6 N6h7 $11) 25... N6h7 26. Qe3 (26. Qh5 $16) 26... Qc7 27. a3 bxa3 28. Nxa3 Nd7 29. Nb5 Qc5 30. Kg2 Qxe3 31. Nxe3 Nc5 32. Nf5 Nb7 33. Nc7 {aiming for Rh1.} Rf8 34. Ne7+ Kh8 35. Rh1 g6 $1 (35... Rd7 $6 36. Kf1 $16 (36. Ne6 Re8 $11)) 36. Nc6 Rd7 37. Nb5 $36 {[%mdl 2048] Black is under pressure.} f5 $2 {[#]} (37... Nc5 $11 {and Black is okay.}) 38. f4 $1 $18 exf4 39. e5 {[%cal Be4e5,Be5e6,Be6e7][%mdl 32]} ({Worse is} 39. gxf4 fxe4 40. Rh4 Nc5 $11) 39... fxg3 $2 (39... dxe5 {is more resistant.} 40. Nxe5 f3+ 41. Kxf3 Rg7) 40. e6 Rg7 41. e7 Re8 {[#]} 42. Re2 $1 Rgg8 {If only Black now had time for ...Kg7....} 43. c5 Nxc5 44. Nxd6 Kg7 45. Nxe8+ Rxe8 46. d6 {[%cal Bd5d6,Bd6d7,Bd7e8][%mdl 32]} Nf6 47. Ne5 Nd5 $2 (47... Nfe4) 48. Nd3 {Threatens to win with Nxc5.} Nxd3 $2 (48... Nb7 49. d7 (49. Re5 Nf6 $16) 49... Rxe7 50. Rxe7+ Nxe7) 49. d7 N5f4+ 50. Kf3 g2 51. dxe8=N+ {Precision: White = 52%, Black = 39%.} 1-0

[Event "Varennes Open-ch 2017"]
[Site "Varennes"]
[Date "2017.10.08"]
[Round "5"]
[White "Sambuev, Bator"]
[Black "Ruiz Sanchez, Orlen"]
[Result "1-0"]
[ECO "A35"]
[WhiteElo "2535"]
[BlackElo "2409"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2017.10.06"]
[EventCountry "CAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,61,60,11,15,13,37,12,33,15,34,29,79,83,79,85,82,62,83,76,133,131,114,125,218,225,189,185,202,189,377,379,343,332,316,326,338,320,359,362,518,502,497,422,489,483,474,468,448,442,548,543,537,537]} 1. Nf3 c5 2. c4 Nc6 3. Nc3 Nd4 4. e3 Nxf3+ 5. Qxf3 g6 6. g4 {LiveBook: 4 Games. A35: Symmetrical English: 2 Nc3 Nc6 3 Nf3} (6. b3 Bg7 7. Bb2 d6 8. g3 e6 9. Bg2 Ne7 10. O-O O-O 11. Rad1 Nc6 12. Qe2 e5 13. a3 Re8 14. Nd5 a5 15. Rb1 Be6 16. Bc3 {0-1 (79) Rodshtein,M (2652)-Caruana,F (2767) Plovdiv 2012}) 6... h5 $146 ({Predecessor:} 6... d6 7. Bg2 Bg7 8. Qe2 Nh6 9. h3 Rb8 10. O-O f5 11. g5 Nf7 12. f4 O-O 13. d3 Bd7 {½-½ (21) Medvegy,Z (2531)-Galyas,M (2484) Germany 2011}) 7. g5 Bg7 8. b3 {White is slightly better.} Rb8 9. Bb2 d6 10. Qe2 Bd7 11. Bg2 $36 {[%mdl 2048] White is really pushing.} h4 12. f4 a6 13. O-O Qc8 14. d3 Bg4 ({Black should play} 14... Rh7) 15. Bf3 $16 Bxf3 16. Rxf3 f5 (16... Rh5 $16 17. Ne4 Bxb2 18. Qxb2 Kf8) 17. Nd5 $18 Bxb2 18. Qxb2 Rh7 19. e4 fxe4 $2 {[#]} (19... e6 {might work better.}) 20. dxe4 Rf7 21. Qh8 Qg4+ 22. Kf2 Kd7 23. h3 Qe6 24. Re1 Rbf8 (24... Kc6 $142 25. b4 (25. Qxh4 b5 $18) 25... b6) 25. Qc3 {White is clearly winning.} Kc8 26. e5 Kb8 27. exd6 Qxd6 {With the idea ...e6.} 28. Qe5 Rd8 29. Rfe3 Rd7 30. Qxd6+ Rxd6 31. Re6 {Precision: White = 90%, Black = 26%.} 1-0

[Event "Varennes Open-ch 2017"]
[Site "Varennes"]
[Date "2017.10.08"]
[Round "5"]
[White "Alvarez Pedraza, Aramis"]
[Black "Ortiz Suarez, Isan Reynaldo"]
[Result "1/2-1/2"]
[ECO "A81"]
[WhiteElo "2489"]
[BlackElo "2528"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2017.10.06"]
[EventCountry "CAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,101,38,12,27,39,38,27,36,27,37,40,50,37,45,33,53,50,69,63,67,66,81,75,120,121,118,120,130,115,115,131,232,238,235,241,235,233,234,235,245,245,261,279,286,273,279,264,283,279,279,261,298,230,230,230,265,230,214,0,276,262,325,257,237,191,193,185,299,290,291,291,298,0,0,0,0,0,0,0,0,0,480,2,6161,-29977]} 1. d4 f5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. b3 d6 7. Bb2 c6 8. Nbd2 a5 9. a4 Na6 10. Re1 {LiveBook: 6 Partien. A81: Holländische Verteidigung (Leningrader Variante)} (10. Nc4 Nb4 11. Ne1 Be6 12. Nd3 Bd5 13. f3 Qc7 14. Qd2 Nxd3 15. Qxd3 Bf7 16. e3 b5 17. Nd2 Nd5 {1-0 (35) Rakhmanov,A (2663)-Laznicka,V (2664) Linares 2017}) 10... Nb4 11. c3 Nbd5 12. e3 {Weiß steht etwas besser.} Qc7 13. Qc2 Bd7 14. Ba3 $146 ({Vorgänger:} 14. e4 fxe4 15. Nxe4 Nxe4 16. Qxe4 Bf5 17. Qe2 Rae8 {1-0 (53) Cuellar Gacharna,M (2345)-Gutierrez Castillo,J (2320) Bogota 1976}) 14... Kh8 15. Rac1 Rae8 16. Qb1 Qb8 17. Ng5 {[%cal Bf3g5,Bg5h3,Bh3f2,Bf2d3,Bd3e5][%mdl 32]} h6 18. Nh3 g5 19. f4 g4 20. Nf2 b5 {[#]} 21. axb5 $1 cxb5 22. c4 Nb4 23. Bxb4 axb4 24. Nd3 e5 (24... e6 $16 25. c5 (25. Nxb4 Qb6 $16) 25... dxc5) 25. fxe5 $18 ({Nicht} 25. Nxb4 exd4 26. exd4 bxc4 $14) 25... dxe5 26. Nxe5 Rxe5 27. dxe5 Qxe5 28. Qd3 bxc4 29. Nxc4 Qe7 30. Nd6 Ne8 31. Nxe8 Bxe8 32. Rc8 Bg6 33. Rxf8+ Qxf8 34. Rc1 Qe7 35. Rc8+ Kh7 36. Rc6 h5 37. Rb6 Qc5 38. Rc6 Qe7 $1 39. Kf2 Qa7 40. Bd5 Qa1 41. Qc2 Bc3 {[#]} 42. Kg2 $1 Qe1 (42... Kg7 {war nötig.} 43. Rc7+ Kf6) 43. Qf2 Qd1 44. Rd6 {Droht stark Lg8+.} Kg7 {Jetzt ...Le5 und Schwarz darf weiter klammern.} 45. Qf4 $2 ({Besser ist} 45. e4 $18 f4 46. Qxf4 Qe2+ 47. Qf2 Bxe4+ 48. Bxe4 Qxe4+ 49. Kg1) 45... Qe2+ 46. Kg1 Qe1+ 47. Kg2 Qd2+ 48. Kg1 {Weiss droht Td7+ und Matt.} Qe1+ 49. Kg2 Qd1 $2 {[%mdl 8192]} (49... Qe2+ $11 {und Schwarz steht sicher.} 50. Qf2 Qd3 51. Rd7+ Kf6) 50. Qf2 $2 ({Günstiger ist} 50. Bc4 $18 Qf3+ 51. Qxf3 gxf3+ 52. Kxf3) 50... Bd4 $2 {[%mdl 8192]} (50... Be5 $11 51. Rd7+ Kh6) 51. e4 $4 {[%mdl 40960] Precision: Weiß = 56%, Schwarz = 35%. . An unexpected result.} (51. Rd7+ $18 Kh8 52. exd4) 1/2-1/2

[Event "Varennes Open-ch 2017"]
[Site "Varennes"]
[Date "2017.10.08"]
[Round "5"]
[White "Thavandiran, Shiyam"]
[Black "Vettese, Nicholas"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2385"]
[BlackElo "2155"]
[Annotator "RC"]
[PlyCount "52"]
[EventDate "2017.10.06"]
[EventCountry "CAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 h6 8. Nd2 d5 9. exd5 Nxd5 10. Bc4 Nxc3 11. bxc3 Be7 12. Qh5 O-O 13. Ne4 Qc7 14. Bd5 Qd7 15. Qxe5 Rd8 16. O-O Qxd5 17. Qxe7 Nc6 18. Qh4 Bf5 19. f3 Bxe4 20. fxe4 Qc5+ 21. Qf2 Qxf2+ 22. Kxf2 Rac8 23. Be3 Re8 24. Rab1 Rxe4 25. Rxb7 Rxa4 26. Ke2 f6 1/2-1/2

[Event "Varennes Open-ch 2017"]
[Site "Varennes"]
[Date "2017.10.08"]
[Round "5"]
[White "Sai Krishna G V"]
[Black "Huang, Qiuyu"]
[Result "1-0"]
[ECO "B35"]
[WhiteElo "2369"]
[BlackElo "2153"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2017.10.06"]
[EventCountry "CAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 33,59,28,28,41,58,58,194,172,283,287,438,436,426,396,410,415,392,391,1098,1151,29978,29979,1735,288,400,312,29997,29998]} 1. Nc3 c5 2. e4 Nc6 3. Nf3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Bc4 O-O 8. Bb3 d6 9. f3 Bd7 10. Qd2 Rc8 11. O-O-O Nxd4 12. Bxd4 b5 13. h4 {[%cal Bh2h4,Bh4h5][%mdl 32] B78: Sicilian Dragon: Yugoslav Attack, 9 Bc4 Bd7 10 0-0-0 Rc8} (13. e5 dxe5 14. Bxe5 Bc6 15. Qxd8 Rfxd8 16. Ne2 Bh6+ 17. Kb1 Nd7 18. Bd4 a5 19. a3 b4 20. axb4 axb4 {0-1 (47) Yu,Y (2744)-Jones,G (2625) Gibraltar 2016}) 13... a5 {[%cal Ba7a5,Ba5a4][%mdl 32]} 14. h5 a4 15. Bxf6 exf6 16. Bd5 f5 17. hxg6 hxg6 {LiveBook: 11 Games} 18. g4 f4 $146 ({Predecessor:} 18... fxg4 19. fxg4 Be6 20. Bxe6 fxe6 {1-0 (43) Wei,Y (2526)-Pham,C (2327) Ho Chi Minh City 2013}) 19. Qxf4 b4 ({Better is} 19... Qe7 $14) 20. Qxd6 $18 Qg5+ (20... Qf6 $142 21. Qxd7 (21. Qh2 Rfd8 $15) 21... bxc3) 21. f4 {[%cal Bf3f4,Bf4e5][%mdl 32]} Be5 (21... Qf6 {is a better defense.} 22. Qxd7 bxc3) 22. Qxe5 ({Not} 22. fxg5 Bxd6 23. Bb7 Bf4+ 24. Kb1 Rcd8 $16) (22. Qxd7 Qxf4+ 23. Kb1 Rc7 $18) 22... Qxe5 23. fxe5 bxc3 24. Rh6 {[#] Threatening mate with Rdh1.} cxb2+ 25. Kxb2 {Hoping for Rdh1.} Kg7 $2 (25... g5 26. Rdh1 Be6) 26. Rdh1 {Rh7+ would kill now.} g5 27. Rh7+ Kg8 28. R1h5 $2 {[#]} (28. R7h5 {[%cal Rh5g5]} Rxc2+ 29. Kxc2 Rc8+ 30. Kd2) 28... Rb8+ 29. Kc1 Rfe8 $2 (29... Be6 $18 30. R7h6 Kg7) 30. Rh8+ {Precision: White = 88%, Black =  4%.} 1-0

[Event "Varennes Open-ch 2017"]
[Site "Varennes"]
[Date "2017.10.08"]
[Round "5"]
[White "Gordon, David"]
[Black "Lenderman, Aleksandr"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2199"]
[BlackElo "2591"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2017.10.06"]
[EventCountry "CAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,68,-8,0,0,0,-3,0,0,0,-25,-21,-42,-33,-85,-82,-83,-104,-96,-96,-170,-171,-161,-168,-162,-160,-163,-197,-233,-200,-192,-213,-181,-183,-265,-266,-475,-471,-496,-501,-550,-550,-625,-620,-613,-504,-570,-450,-29961,-9708,-29963,-29966]} 1. d4 Nf6 2. Bg5 d5 3. Bxf6 exf6 4. e3 Bd6 5. g3 O-O 6. Bg2 {D00: 1 d4 d5: Unusual lines} c6 7. Nd2 f5 (7... Be6 8. Ne2 Nd7 9. O-O f5 10. Rc1 Nf6 11. c4 dxc4 12. Nxc4 Bd5 13. Bxd5 Nxd5 {½-½ (22) Safarli,E (2657)-Iturrizaga Bonelli,E (2641) Berlin 2015}) 8. Ne2 Nd7 {[%cal Bb8d7,Bd7f6,Bf6g4][%mdl 32]} 9. O-O Nf6 10. c4 dxc4 {LiveBook: 17 Games} 11. Nxc4 Bc7 12. b4 h5 $146 ({Predecessor:} 12... Be6 13. Qc2 {1-0 (45) Lavanant,A (2021)-Toux,S (1877) Bretagne 2006}) 13. h4 Be6 14. Nb2 Ng4 15. Qc1 a5 $36 {[%mdl 2048] Black fights for an advantage.} 16. bxa5 (16. Nd3 $15) 16... Rxa5 $17 17. a4 {[#]} g5 $1 18. hxg5 Qxg5 19. e4 (19. Nf4 $17 {was called for.} h4 20. Nxe6 fxe6 21. f4) 19... fxe4 $19 {And now ...Qg7 would win.} 20. Qxg5+ Rxg5 21. Bxe4 {[#]} h4 $1 {[%mdl 512]} 22. f4 {[#]} (22. gxh4 Rg7) 22... Rg7 $1 {White must now prevent ...Re8.} 23. f5 Bd7 24. f6 Rg5 {aiming for ...Re8.} 25. gxh4 Rh5 {...Re8 is the strong threat.} 26. Bf3 (26. Nc4 $142) 26... Rxh4 27. Bxg4 $2 (27. Nd3 {might work better.}) 27... Bxg4 (27... Rxg4+ $2 28. Kf2 $19) 28. Nf4 Rd8 29. Nbd3 Rxd4 30. Rae1 Bf5 31. Re8+ Kh7 32. Re7 Bxf4 33. Rxf7+ (33. Rxf4 $19 Rhxf4 34. Nxf4 Rxf4 35. Rxf7+ Kg6 36. Rxb7) 33... Kg6 34. Rg7+ Kxf6 {Precision: White = 36%, Black = 94%.} 0-1

[Event "Varennes Open-ch 2017"]
[Site "Varennes"]
[Date "2017.10.08"]
[Round "5"]
[White "Bolduc, Steve"]
[Black "Duong, Thanh Nha"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "2173"]
[BlackElo "2132"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2017.10.06"]
[EventCountry "CAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,86,27,0,41,43,34,39,41,37,38,63,66,65,97,-6,-14,-7,0,-78,-70,-67,24,7,10,0,0,0,0,0,0,0,0,0,0,0,0,-12,-23,-16,-17,-20,-20,-22,0,-27,-31,-225,-214,-275,-275,-275,-275,-275,-264,-258,-262,-253,-229,-587,-579,-560,-545,-529,-507,-505,-456,-900,-725,-1107,-1240,-1121,-911]} 1. d4 e6 2. e4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Bd3 Qb6 7. dxc5 Bxc5 8. O-O a5 9. a4 Nge7 {C02: French: Advance Variation} (9... f6 $5 {[%cal Rf6e5]}) 10. Na3 Ng6 (10... h6 11. Nb5 O-O 12. Bf4 Ng6 13. Bg3 Nce7 14. h4 Bxb5 15. axb5 Nf5 16. Bxf5 exf5 17. Qa4 {1-0 (48) Nun,J (2376)-Kucera,P (2379) Czechia 2013}) 11. Qe2 O-O {White is slightly better.} 12. Nb5 f6 13. exf6 Rxf6 $146 ({Predecessor:} 13... gxf6 14. Bh6 Rf7 15. Rad1 Nce7 16. b4 axb4 17. cxb4 Bxb4 {0-1 (50) Belleau,D (1911)-Barclay,W (2243) Edmonton 2005}) 14. Bg5 Rf7 15. Qc2 (15. Bxg6 $16 hxg6 16. Qd3) 15... Raf8 $11 16. Bxg6 hxg6 17. Rae1 {[#]} ({Avoid the trap} 17. Qxg6 $2 Rxf3 18. gxf3 Ne5 $19) (17. Qd1 $11 {keeps the balance.}) 17... e5 $1 $17 {[%mdl 512]} 18. Be3 (18. Nxe5 Rxf2) 18... d4 (18... e4 $15 19. Bxc5 Qxc5) 19. cxd4 $11 exd4 20. Rc1 (20. Bc1 {is more complex.} Bb4 21. Bd2 Qc5 22. Qb3 Bxd2 23. Nxd2 Bf5 24. Ne4) 20... dxe3 21. Qxc5 Qxc5 22. Rxc5 exf2+ 23. Rxf2 Rf4 24. b3 Be6 25. Rb2 Bg4 26. Rc4 Bxf3 27. Rxf4 Rxf4 28. gxf3 Rxf3 {[%mdl 4096] Endgame KRN-KRN} 29. Nd6 Nd8 30. b4 Rd3 31. Nc4 $2 ({Better is} 31. Nb5 $15) 31... axb4 $19 32. Rxb4 Rd4 33. a5 Nc6 34. Ra4 {[#]} Ne5 $1 {[%mdl 512]} 35. Nb6 (35. Nxe5 Rxa4) 35... Rxa4 36. Nxa4 {With the idea Nc5. KN-KN} Nc6 37. a6 $2 (37. Kf2 {is more resistant.}) 37... bxa6 {Black is clearly winning.} 38. Kf2 Kf7 39. Ke3 a5 40. Kf4 Ke6 41. Kg5 (41. Ke4 $142 Kd6 42. Kd3) 41... Ne5 42. h4 Kd5 43. Kf4 Nf7 {Precision: White = 44%, Black = 73%.} 0-1

[Event "Varennes Open-ch 2017"]
[Site "Varennes"]
[Date "2017.10.08"]
[Round "5"]
[White "Tomb, Maroun"]
[Black "Hua, Eugene"]
[Result "1/2-1/2"]
[ECO "B47"]
[WhiteElo "2155"]
[BlackElo "2220"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2017.10.06"]
[EventCountry "CAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,74,28,28,43,39,13,48,43,61,56,79,79,174,163,170,161,154,154,175,78,47,39,41,39,82,86,89,52,80,19,20,19,18,25,78,84,79,52,56,55,65,24,24,23,45,31,38,23,23,22,22]} 1. e4 c5 2. Ne2 Nc6 3. Nbc3 e6 4. d4 cxd4 5. Nxd4 Qc7 6. g3 a6 7. Bg2 d6 8. O-O Bd7 9. Nce2 Nf6 10. b3 Be7 11. c4 O-O 12. Bb2 Rac8 13. Rc1 {B80: Sizilianisch (Scheveninger System)} Qb8 {LiveBook: 5 Partien} 14. a4 (14. Qd2 b5 15. cxb5 Nxd4 16. Nxd4 axb5 17. a3 Rxc1 18. Rxc1 Rc8 19. Rxc8+ Qxc8 20. Nc2 e5 {½-½ (43) Huebner,R (2612)-Chernuschevich,A (2524) Switzerland 2011}) 14... Rfd8 15. Qd2 {Weiß steht etwas besser.} Nxd4 16. Nxd4 e5 $146 ({Vorgänger:} 16... Bc6 17. Qe2 Ne8 18. Rfd1 Nc7 19. Qg4 {½-½ (49) Murga,J (2209)-Jukemura,L (2089) Santos 2008}) 17. Nf5 Bxf5 18. exf5 b5 (18... Nd7 $16) 19. cxb5 $18 axb5 20. Rxc8 Rxc8 21. a5 d5 22. Ra1 (22. Re1 $18 {und Weiss behält klar die Oberhand.}) 22... Bc5 $16 23. b4 Ba7 $1 24. Qe2 ({Doch nicht} 24. Bxd5 Rd8 $17) 24... e4 25. Rd1 Rd8 26. Bxf6 gxf6 {[#]} 27. Bf1 (27. Qc2 $1 $16) 27... Qe5 28. Qg4+ Kh8 29. Bxb5 d4 (29... Qb2 $11) 30. Bc6 e3 31. fxe3 Qxe3+ 32. Kg2 {Droht stark b5.} Qc3 33. b5 {[#] Und Df4 würde nun gewinnen.} Qxa5 34. Qe4 Qc7 35. Kf3 Qd6 36. Rd3 Bb6 37. Kg2 Qc5 {Precision: Weiß = 53%, Schwarz = 42%.} 1/2-1/2

[Event "Varennes Open-ch 2017"]
[Site "Varennes"]
[Date "2017.10.08"]
[Round "5"]
[White "Chabot, Roland"]
[Black "Perez Rodriguez, Luis Manuel"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "2153"]
[BlackElo "2368"]
[Annotator "TA"]
[PlyCount "145"]
[EventDate "2017.10.06"]
[EventCountry "CAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,145,22,22,16,17,0,21,15,43,44,48,37,51,41,26,0,0,-19,-22,-57,-53,-124,-9,-104,-26,-109,-55,-47,-49,-55,-52,-44,-50,-68,-68,-97,-93,-75,-87,-81,-97,-104,-101,-103,-77,-81,-62,-70,-21,-115,-50,-48,-48,-46,-35,-62,-57,-59,-51,-108,-108,-108,-98,-116,-96,-76,-59,-97,-59,-71,-72,-86,-55,-86,-93,-84,-40,-67,-20,-28,-20,-30,-20,-20,-20,-20,-20,-20,-20,-20,-20,-20,-20,-20,-20,-20,-20,-20,-84,-46,-59,-29978,-29979,-29979,0,-29980,-29981,-29982,-29983,-29983,-29984,-29984,-29985,-29985,-29986,-29986,-29987,-29989,0,-29990,-29991,-29991]} 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bf4 Nc6 5. e3 Nf6 6. Nc3 a6 7. Be2 e6 8. Bd3 Be7 9. h3 O-O 10. Nf3 Bd6 11. Bxd6 Qxd6 12. O-O Bd7 13. a3 Rac8 14. Na4 {D13: Slav Defence: Exchange variation without ...Bf5} Rc7 $146 ({Predecessor:} 14... Na5 15. Nc5 Rc7 16. b4 Nc6 17. Qb3 Nb8 18. a4 Bc8 19. a5 Nbd7 20. Rfd1 Nxc5 21. bxc5 Qe7 {1-0 (41) Wiley,T (2294)-Halldorsson,J (2173) Reykjavik 2000}) 15. b4 Rfc8 16. Nc5 {The position is equal.} g6 17. Qd2 e5 {And now ...e4 would win.} 18. dxe5 Nxe5 19. Nxe5 Qxe5 20. f4 Qe7 21. Nxd7 Qxd7 22. f5 Qe7 23. Qf2 (23. Rae1 $15) 23... Rc6 (23... g5 $1 $17 24. Qg3 h6) 24. Rad1 (24. Qf4 $11) 24... Re8 ({Black should try} 24... g5 $17 25. Qg3 h6) 25. Rfe1 (25. b5 $11 {keeps the balance.} Rd6 26. bxa6) 25... Qe5 (25... Rc3 $17 26. a4 Ra3 27. fxg6 hxg6) 26. b5 Rc3 {[%cal Bc6c3,Bc3a3,Ba3a2,Ba2b2,Bb2b3][%mdl 32]} 27. bxa6 bxa6 28. fxg6 hxg6 29. a4 Re6 30. Qh4 Kg7 31. a5 Ra3 32. Qb4 Ra2 33. Bb1 Rb2 34. Qd4 Qxd4 (34... Rb5 {seems wilder.} 35. Qxe5 Rxe5 36. Bd3 Rxa5 37. Ra1 Rxa1 38. Rxa1 Rxe3 39. Bxa6 Ne4) 35. Rxd4 Rc6 36. Rf1 Rb3 37. Ba2 (37. e4 $11) 37... Rxe3 (37... Rb5 $1 $17 38. Rfd1 Rcc5) 38. Bxd5 $15 Rd6 39. Rfd1 Re5 40. Bb3 Rxd4 41. Rxd4 Rxa5 42. Ra4 ({Better is} 42. Kf2 $15) 42... Rxa4 $17 43. Bxa4 {[%mdl 4096] Endgame KB-KN} Ne4 44. Bc6 Nc5 45. Kf2 Kf6 46. Ke3 Ke5 47. Be8 Ke6 $1 48. Bc6 f6 49. Kd4 Kd6 50. Bf3 Ne6+ 51. Kc4 Ke5 52. Bb7 a5 {...Nd4 is the strong threat.} 53. Kb5 Kf4 54. Kxa5 Kg3 {White must now prevent ...f5.} 55. Kb4 Nf4 56. Kc5 $1 Nxg2 57. Kd6 $1 f5 58. Ke5 Nh4 59. Kf6 Kxh3 {Strongly threatening ...Kg4.} 60. Kg5 Kg3 61. Bd5 f4 {aiming for ...Nf5.} 62. Bb7 f3 63. Bxf3 $2 {[%mdl 8192]} (63. Bc6 $15) 63... Kxf3 ({Not} 63... Nxf3+ 64. Kxg6 $11) 64. Kxh4 $15 {KP-K} Kf4 65. Kh3 {[#]} g5 $1 {[%cal Bg6g5,Bg5g4,Bg4g3,Bg3g2][%mdl 32]} 66. Kh2 Kf3 {[%cal Bf4f3,Bf3f2,Bf2g3,Bg3h3][%mdl 32]} 67. Kh3 {[#]} g4+ $1 68. Kh2 Kf2 69. Kh1 Kg3 70. Kg1 Kh3 71. Kh1 g3 72. Kg1 {intending Kh1.} g2 73. Kf2 {Precision: White = 46%, Black = 56%.} 0-1

[Event "Varennes Open-ch 2017"]
[Site "Varennes"]
[Date "2017.10.08"]
[Round "5"]
[White "Luksza, Arkadiusz"]
[Black "Perez Garcia, Rodney Oscar"]
[Result "1/2-1/2"]
[ECO "D10"]
[WhiteElo "2081"]
[BlackElo "2315"]
[Annotator "RC"]
[PlyCount "39"]
[EventDate "2017.10.06"]
[EventCountry "CAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. e3 Nf6 4. Qc2 e6 5. Nf3 a6 6. Nbd2 Nbd7 7. Bd3 c5 8. b3 cxd4 9. exd4 b6 10. O-O Bb7 11. Re1 Be7 12. Bb2 Rc8 13. Ne5 Nxe5 14. dxe5 Nd7 15. Qd1 Bb4 16. Re3 Nc5 17. Bf1 Bxd2 18. Qxd2 dxc4 19. Qxd8+ Rxd8 20. Bxc4 1/2-1/2

