[Event "81st Tata Steel Challengers 2019"] [Site "Wijk aan Zee"] [Date "2019.01.12"] [Round "1"] [White "Kuipers, Stefan"] [Black "L'Ami, Erwin"] [Result "0-1"] [ECO "B62"] [WhiteElo "2470"] [BlackElo "2643"] [Annotator "TA"] [PlyCount "80"] [EventDate "2019.01.12"] [EventType "tourn"] [EventCountry "NED"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 19,80,29,30,8,17,-8,19,-22,-5,-46,0,-106,-81,-120,-107,-94,-54,-65,-60,-81,-72,-85,-83,-137,-137,-132,-128,-129,-127,-183,-117,-111,-125,-206,-223,-254,-241,-226,-223,-300,-295,-272,-264,-267,-250,-352,-336,-364,-349,-499,-508,-499,-481,-475,-487,-661,-646,-656,-643,-664,-641,-963,-897]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd3 a6 8. O-O-O Bd7 9. Be2 Rc8 {B62: Sicilian: Richter-Rauzer: 6...e6: Unusual White 7th moves} (9... h6 10. Bh4 Ne5 11. Qe3 g5 12. Bg3 b5 13. Nf3 Neg4 14. Qd3 b4 15. Nd5 exd5 16. exd5 Qa5 17. Kb1 {0-1 (51) Lampert,J (2514)-Sutovsky,E (2683) Douglas 2017}) 10. Nxc6 Bxc6 {LiveBook: 3 Games} 11. Rhe1 Be7 {The position is equal.} 12. f4 O-O 13. Bf3 Qc7 14. Kb1 Rfd8 15. Qe3 $146 (15. f5 $11 {keeps the balance.}) ({Predecessor:} 15. Qe2 h6 16. Bxf6 Bxf6 17. Rd3 {½-½ (33) Sirigos,N (2295)-Sutovsky,E (2340) Bratislava 1993}) 15... h6 $17 16. h4 d5 ({But not} 16... hxg5 17. hxg5 g6 18. gxf6 $11) 17. exd5 hxg5 (17... Bxd5 {feels hotter.} 18. Nxd5 Nxd5 19. Bxd5 hxg5 20. Be4 gxf4 21. Qf2 b5) 18. dxc6 gxf4 19. Rxd8+ Bxd8 20. Qd3 bxc6 21. Qxa6 (21. Ne4 $142) 21... Nd5 22. Ne4 Rb8 {[#] Strongly threatening ...Qe5.} 23. c3 Bxh4 24. Rh1 (24. Rc1 $17) 24... Be7 (24... f5 $19 25. Nd2 Nxc3+ 26. Kc1 Qe5) 25. Kc1 g6 26. Bd1 (26. Nd2 $17) 26... Kg7 $40 {[%mdl 128] Black has strong attack.} 27. Qd3 {[#] Threatens to win with Qh3.} Qb6 {[%csl Gb8][%cal Rb6b2]} 28. Bb3 Qe3+ 29. Kc2 Qxd3+ 30. Kxd3 f5 31. Nd2 e5 {[%cal Be6e5,Be5e4][%mdl 32]} 32. Nc4 (32. Bxd5 $142 cxd5 33. Nb3) 32... e4+ 33. Ke2 Bc5 34. Ne5 (34. Ba4 {was worth a try.}) 34... Ne3 {Black is clearly winning.} 35. Nd7 Rb5 36. Nxc5 Rxc5 37. g3 g5 {[%cal Bg6g5,Bg5f4,Bf4f3][%mdl 32]} 38. gxf4 gxf4 39. a4 Ng4 40. Ra1 f3+ {Accuracy: White = 33%, Black = 88%.} 0-1 [Event "81st Tata Steel Challengers 2019"] [Site "Wijk aan Zee"] [Date "2019.01.14"] [Round "3"] [White "Kuipers, Stefan"] [Black "Maghsoodloo, Parham"] [Result "0-1"] [ECO "B62"] [WhiteElo "2470"] [BlackElo "2679"] [Annotator "TA"] [PlyCount "82"] [EventDate "2019.01.12"] [EventType "tourn"] [EventCountry "NED"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 23,82,19,18,23,17,12,14,0,0,0,8,0,34,0,0,-37,-28,-53,-55,-41,-29,-29,-18,-18,-17,-15,-30,-26,-21,-16,0,-29,0,-80,-37,-54,-45,-45,-39,-33,0,-55,-58,-60,-40,-50,-60,-64,-60,-78,-69,-111,-112,-109,-93,-1250,-1308,-1233,-1263,-5106,-5110]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd3 Bd7 8. O-O-O a6 9. Be2 h6 {B62: Sicilian: Richter-Rauzer: 6...e6: Unusual White 7th moves} 10. Bh4 Be7 (10... Ne5 11. Qe3 g5 12. Bg3 b5 13. Nf3 Neg4 14. Qd3 b4 15. Nd5 exd5 16. exd5 Qa5 17. Kb1 {0-1 (51) Lampert,J (2514)-Sutovsky,E (2683) Douglas 2017}) 11. f4 Rc8 12. Nxc6 Bxc6 {LiveBook: 3 Games} 13. f5 O-O 14. fxe6 fxe6 15. Bf3 $146 ({Predecessor:} 15. Rhf1 Qc7 16. Qh3 Bd7 17. Kb1 {0-1 (85) Barbalic,Z (2062)-Zaas,P (2224) ICCF email 2014}) 15... Qa5 16. Kb1 Be8 17. Bg3 e5 18. Nd5 Nxd5 19. exd5 Bb5 20. Qg6 {[#] And now Qe6+ would win.} Rf6 21. Qe4 Be8 {White must now prevent ...Bg6.} 22. Qg4 Qc7 23. Be4 Qd7 24. Qe2 Bg6 25. Rhf1 Bxe4 26. Qxe4 b5 27. b3 a5 28. Bh4 (28. Rxf6 $11 {remains equal.} Bxf6 29. Be1) 28... Rff8 29. Bxe7 Qxe7 30. Rf5 Rxf5 31. Qxf5 Qf8 (31... Re8 {is more complex.} 32. Qe6+ Qxe6 33. dxe6 Rxe6 34. Rd5 Rf6) 32. Qxf8+ ({White should play} 32. Qd7 $11) 32... Kxf8 $11 {[%mdl 4096] Endgame KR-KR} 33. Rd3 b4 {[%cal Bb5b4,Bb4c3][%mdl 32]} 34. c4 bxc3 35. Kc2 Rc5 36. a3 Ke7 37. b4 axb4 38. axb4 Rc4 39. Rxc3 $2 {[%mdl 8192] [#]} (39. Rg3 $17) 39... Rxc3+ $19 {Black is clearly winning.} 40. Kxc3 Kd7 41. h4 h5 {Accuracy: White = 39%, Black = 75%.} 0-1 [Event "81st Tata Steel Challengers 2019"] [Site "Wijk aan Zee"] [Date "2019.01.16"] [Round "5"] [White "Kuipers, Stefan"] [Black "Korobov, Anton"] [Result "0-1"] [ECO "B32"] [WhiteElo "2470"] [BlackElo "2699"] [Annotator "TA"] [PlyCount "74"] [EventDate "2019.01.12"] [EventType "tourn"] [EventCountry "NED"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 23,74,23,9,14,64,24,49,1,13,21,27,20,63,51,35,-11,-12,-20,-13,-21,0,0,0,0,0,-20,-15,-35,-48,-122,-110,-145,-156,-141,-147,-156,-160,-122,-139,-277,-279,-237,-184,-473,-460,-460,-431,-387,-304,-475,-441,-615,-605]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 e6 6. Nc3 Nf6 7. Bd3 Be7 8. Qe2 {B33: Sicilian: Pelikan and Sveshnikov Variations} (8. Be3 Qc7 9. f4 d6 10. Qf3 a6 11. O-O O-O 12. a4 b6 13. g4 Re8 14. g5 Nd7 15. Qg3 Bf8 16. h4 Nb4 17. h5 Nc5 18. Nxc5 bxc5 19. g6 d5 20. gxf7+ Qxf7 {0-1 (59) Van Foreest,J (2600)-Iturrizaga Bonelli,E (2662) Vlissingen 2017}) 8... d6 9. O-O a6 10. Be3 Qc7 11. f4 b5 12. a4 b4 {LiveBook: 4 Games} 13. Nb1 {[%cal Bc3b1,Bb1d2,Bd2c4][%mdl 32]} O-O 14. N1d2 a5 15. Kh1 Bb7 16. Nc4 $146 ({Predecessor:} 16. Qf3 Ba6 17. g4 Bb7 18. g5 Nd7 19. Qh3 Rfe8 20. Kg1 Bf8 21. Qh4 g6 22. Rf3 Bg7 23. Raf1 f5 24. gxf6 Bxf6 {1-0 (42) Lagarde,M (2352)-Iwanesko,A (2101) Saint Affrique 2009}) 16... d5 17. Bb6 Qb8 18. exd5 Nxd5 19. Qf2 (19. f5 {is interesting.} e5 20. f6 Nxf6 21. Nc5 Nd4 22. Qxe5 Qxe5 23. Nxe5 Nd5 24. Ncd7) 19... g6 20. Bc5 Ba6 21. Rad1 Rd8 22. Ne5 Bxc5 $1 23. Nxc5 Bxd3 $1 24. Rxd3 Qc7 25. Rh3 Nf6 26. Ncd3 (26. c3 $15) 26... h5 $17 27. Re1 Rac8 28. c3 bxc3 29. bxc3 Ne7 30. c4 Nf5 31. Rf3 {[#]} (31. Qb2 $17 Rd4 32. c5) 31... Ng4 $1 $19 {[%cal Rg4f2]} 32. Qg1 Qe7 33. g3 $2 (33. Rff1) 33... Kg7 34. h3 Nxe5 35. Nxe5 f6 36. Nd3 (36. g4 $142 hxg4 37. Nxg6) 36... Rxc4 37. Qb6 Rd6 {Precision: White = 26%, Black = 72%.} 0-1 [Event "81st Tata Steel Challengers 2019"] [Site "Wijk aan Zee"] [Date "2019.01.18"] [Round "6"] [White "Kuipers, Stefan"] [Black "Esipenko, Andrey"] [Result "1/2-1/2"] [ECO "C54"] [WhiteElo "2470"] [BlackElo "2584"] [Annotator "TA"] [PlyCount "69"] [EventDate "2019.01.12"] [EventType "tourn"] [EventCountry "NED"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 16,69,28,-12,16,3,33,16,15,17,52,27,60,48,51,52,47,45,56,45,77,69,72,63,70,52,46,50,86,84,101,108,143,139,152,137,130,47,52,48,36,39,68,6,16,0,67,69,62,65,78,45,48,49,61,39]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. Bg5 h6 7. Bh4 g5 8. Bg3 O-O {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} 9. Bb3 {LiveBook: 4 Games} (9. a4 a6 10. Qd2 Nh5 11. h4 Nxg3 12. fxg3 g4 13. Qxh6 gxf3 14. Qg6+ Kh8 15. Qh6+ Kg8 16. Qg6+ Kh8 {½-½ (16) Vachier Lagrave,M (2796)-Karjakin,S (2781) Paris 2017}) 9... a6 10. Nbd2 Ba7 {The position is equal.} 11. Qe2 Nh5 12. h3 $146 {[%cal Bh2h3,Bh3h4,Bh4h5][%mdl 32]} ({Predecessor:} 12. O-O-O Qf6 13. h3 b5 14. Bh2 {0-1 (29) Koronowski,H (1991)-Giesemann,S (2079) GER email 2013}) 12... Ne7 13. Nh2 $1 Nf4 14. Bxf4 gxf4 15. g3 {And now Qh5 would win.} Ng6 16. h4 Qf6 17. Qf3 Kh8 18. h5 Ne7 19. gxf4 Qxf4 20. Qxf4 exf4 21. Nhf3 b5 22. Rh4 Be6 23. Rxf4 Bxb3 24. axb3 f5 25. Kf1 Bb6 26. Re1 (26. e5 $16) 26... fxe4 $14 27. Rxf8+ Rxf8 28. dxe4 d5 29. Kg2 (29. c4 $14) 29... Rg8+ $11 30. Kf1 ({White should play} 30. Kh3 $11) 30... Rf8 $14 31. c4 dxe4 32. Rxe4 Ng8 33. cxb5 axb5 34. Re5 Nf6 35. Rxb5 {Accuracy: White = 66%, Black = 57%.} 1/2-1/2 [Event "81st Tata Steel Challengers 2019"] [Site "Wijk aan Zee"] [Date "2019.01.18"] [Round "6.7"] [White "Kuipers, Stefan"] [Black "Esipenko, Andrey"] [Result "*"] [WhiteElo "2470"] [BlackElo "2584"] [PlyCount "0"] [EventDate "2019.01.12"] [EventType "tourn"] [EventCountry "NED"] [TimeControl "40/6000+30:20/3000+30:900+30"] * [Event "81st Tata Steel Challengers 2019"] [Site "Wijk aan Zee"] [Date "2019.01.20"] [Round "8"] [White "Kuipers, Stefan"] [Black "Chigaev, Maksim"] [Result "0-1"] [ECO "C54"] [WhiteElo "2470"] [BlackElo "2604"] [Annotator "TA"] [PlyCount "90"] [EventDate "2019.01.12"] [EventType "tourn"] [EventCountry "NED"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 20,90,12,0,11,-40,-20,-29,-29,-24,-25,-48,-56,-76,-64,-81,-89,-73,-73,-79,-72,-141,-136,-108,-102,-216,-148,-176,-162,-166,-137,-141,-139,-170,-179,-162,-179,-186,-184,-275,-282,-283,-275,-260,-260,-349,-337,-350,-333,-320,-277,-396,-399,-443,-454,-496,-470,-457,-457,-410,-401,-761,-786,-741,-781,-1014,-937,-4622,-4618,-29982,-29981,-29991,-29992]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 a6 6. O-O d6 7. Bg5 {[%cal Bc1g5,Bg5h4,Bh4g3][%mdl 32] C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} h6 {[%cal Bh7h6,Bh6h5][%mdl 32]} 8. Bh4 Ba7 9. Nbd2 Qe7 10. b4 g5 11. Bg3 {LiveBook: 4 Games} Nh7 $146 ({Predecessor:} 11... Bg4 12. h3 Bh5 13. Re1 Bg6 14. a4 Nh5 {1-0 (117) Demchenko,A (2596)-Jakovenko,D (2745) Khanty-Mansiysk 2014}) 12. d4 (12. a4 $11) 12... h5 $1 $15 {[%cal Rh5h4] aiming for ...h4.} 13. h4 g4 $1 {[%cal Rg4f3]} 14. Ne1 $1 exd4 15. cxd4 Bxd4 16. Nd3 Bxa1 17. Qxa1 O-O $1 18. Nf4 {[#]} Qf6 $1 19. Qc1 Be6 20. Bd5 (20. Nxh5 $142 Qh6 21. Nf4) 20... Bxd5 $17 21. Nxd5 Qg7 22. Ne3 (22. a4 $17 {keeps fighting.}) 22... Nd4 {Hoping for ...Ne2+.} 23. Qc4 b5 24. Qd3 Rad8 25. Nb3 {[#]} c5 $1 {[%cal Bc7c5,Bc5d4][%mdl 32]} 26. Nxd4 (26. bxc5 dxc5) 26... Qxd4 ({Stronger than} 26... cxd4 27. Nf5 $14) 27. Qxd4 cxd4 28. Nf5 Rfe8 29. f3 (29. Nxd6 $142 Re6 30. Nb7) 29... gxf3 $19 30. gxf3 d5 31. e5 f6 32. f4 fxe5 33. fxe5 Nf8 34. Nh6+ Kg7 35. Nf5+ (35. Nf7 $142 Rd7 36. Nd6) 35... Kh7 36. Nd6 Re7 37. Nf7 Rdd7 38. Ng5+ Kg8 39. Rf6 {and the idea e6 leaves White hopeful.} Nh7 40. Rxa6 (40. Nxh7 $142 Kxh7 41. Rf5) 40... Nxg5 41. hxg5 {KRR-KRB} Ra7 42. Rd6 Rxa2 43. e6 d3 44. Rd8+ Kh7 45. Rd7 Rxd7 {Accuracy: White = 29%, Black = 81%.} 0-1 [Event "81st Tata Steel Challengers 2019"] [Site "Wijk aan Zee"] [Date "2019.01.23"] [Round "10"] [White "Kuipers, Stefan"] [Black "Gledura, Benjamin"] [Result "1/2-1/2"] [ECO "B48"] [WhiteElo "2470"] [BlackElo "2615"] [Annotator "TA"] [PlyCount "93"] [EventDate "2019.01.12"] [EventType "tourn"] [EventCountry "NED"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 21,93,36,32,14,27,10,48,53,52,52,48,54,67,11,7,8,10,5,0,0,0,0,0,0,24,0,0,0,0,0,0,0,0,0,3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be3 a6 7. Qf3 {B48: Sicilian: Taimanov: 5 Nc3 Qc7 6 Be3 a6 without Be2} Bd6 8. O-O-O Be5 9. Nxc6 bxc6 10. Bd4 Nf6 11. Bxe5 Qxe5 {LiveBook: 16 Games} 12. Qe3 Ng4 13. Qe1 {[#]} Rb8 $146 ({Predecessor:} 13... Qc5 14. Rd2 Rb8 {0-1 (40) Timman,J (2593)-Van Kampen,R (2615) Wijk aan Zee 2015}) 14. f3 Nf6 15. Qg3 Qxg3 16. hxg3 d5 17. Bd3 (17. g4 $14) 17... h6 $11 18. g4 Rg8 19. Rhe1 Ke7 20. Na4 a5 21. c4 Rd8 22. b3 Rb4 23. exd5 cxd5 {The position is equal.} 24. cxd5 Nxd5 25. Bc4 {[#] Rxd5 is the strong threat.} Nf4 26. Re5 Rxd1+ 27. Kxd1 Nxg2 28. Ke2 Bd7 29. Rxa5 Bxa4 30. Rxa4 Rxa4 31. bxa4 {[%mdl 4096] Endgame KB-KN} Kd6 32. a5 Kc5 33. a6 Kb6 34. Kd3 g6 {[%cal Bg7g6,Bg6h5,Bh5h4][%mdl 32]} 35. Ke4 h5 36. gxh5 gxh5 37. Bf1 Nh4 38. f4 Nf5 {aiming for ...Ng3+.} 39. Ke5 Ne3 40. Bh3 h4 41. Kf6 Nd5+ 42. Kxf7 Nxf4 43. Bf1 e5 44. Kf6 h3 {[#]} 45. Bxh3 $1 {[%mdl 512]} Nxh3 46. Kxe5 Kxa6 47. Ke4 {Accuracy: White = 77%, Black = 89%.} 1/2-1/2 [Event "81st Tata Steel Challengers 2019"] [Site "Wijk aan Zee"] [Date "2019.01.26"] [Round "12"] [White "Kuipers, Stefan"] [Black "Bareev, Evgeny"] [Result "0-1"] [ECO "B13"] [WhiteElo "2470"] [BlackElo "2650"] [Annotator "TA"] [PlyCount "74"] [EventDate "2019.01.12"] [EventType "tourn"] [EventCountry "NED"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 18,74,29,20,44,16,33,19,37,27,27,23,24,33,18,20,22,14,14,17,24,25,18,20,25,39,31,26,23,0,18,-14,0,0,0,0,18,0,5,5,29,0,7,0,0,0,0,0,0,0,0,-17,-8,-20,-10,-102,-100,-1241,-1250]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nf6 5. h3 Nc6 6. c3 Qc7 7. Nf3 g6 8. Qc2 {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack} (8. O-O Bf5 9. Be2 Bg7 10. Nbd2 O-O 11. a3 Rad8 12. Re1 Rfe8 13. Nf1 Ne4 14. Be3 a6 15. a4 e5 16. dxe5 Nxe5 17. Nxe5 Bxe5 {½-½ (36) Giri,A (2783)-Cheparinov,I (2709) St Petersburg 2018}) 8... Bg7 9. O-O O-O 10. Be3 {LiveBook: 3 Games. White has an edge.} Bd7 11. Qc1 $146 ({Predecessor:} 11. Re1 Nh5 12. Qc1 e5 13. dxe5 Nxe5 14. Nxe5 Bxe5 15. Nd2 Nf4 {0-1 (69) Neuschmied,S (2227)-Hawkins,J (2521) Vienna 2013}) 11... Rfe8 12. Bf4 Qc8 13. Re1 Bf5 14. Bf1 Ne4 15. Na3 {[%cal Bb1a3,Ba3c2,Bc2e3][%mdl 32]} Qd8 16. Qd1 a6 17. Bd3 Nd6 18. Bxd6 Qxd6 19. Bxf5 gxf5 20. Nc2 Kh8 21. Ne3 Qd7 22. Nh4 e6 23. Kh1 Qc7 24. Rg1 Qf4 25. Nf3 {[%cal Bh4f3,Bf3e1,Be1d3][%mdl 32]} Qh6 26. Ne1 Qh4 27. Nd3 Rg8 28. Qf1 Bh6 29. Re1 Bf8 {[%cal Bh6f8,Bf8d6,Bd6c5,Bc5e7,Be7h4][%mdl 32]} 30. g3 Qh6 31. f4 Bd6 32. Kh2 Rg6 33. Qf3 Rag8 34. Ne5 Nxe5 35. dxe5 Bc5 36. h4 {[#]} (36. a4 $11 {remains equal.}) 36... Be7 $1 $17 {[%cal Re7h4] aiming for ...Bxh4!} 37. Ref1 $2 {[%mdl 8192] [#]} (37. h5 $17) 37... Bxh4 $1 {[%mdl 512] Accuracy: White = 42%, Black = 68%.} 0-1