[Event "Prague Festival Challengers 2020"] [Site "Prague"] [Date "2020.02.13"] [Round "2.3"] [White "Cernousek, Lukas"] [Black "Bartel, Mateusz"] [Result "1/2-1/2"] [ECO "C47"] [WhiteElo "2442"] [BlackElo "2639"] [Annotator "TA"] [PlyCount "98"] [EventDate "2020.02.12"] [EventType "tourn"] [EventCountry "CZE"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 22,98,26,10,2,-20,7,8,8,7,2,1,1,9,2,0,0,-6,-2,-6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,-8,-8,-8,-8,-8,-20,-3,-92,-100,-90,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 O-O 8. O-O Re8 9. Bg5 h6 10. Bh4 g5 11. Bg3 Bxc3 12. bxc3 {[#] e5 is the strong threat.} Nxe4 {C47: Scotch Four Knights and Four Knights with 4 g3.} 13. f4 d6 14. Qh5 {Strongly threatening fxg5.} Bf5 15. fxg5 Bg6 $1 {[%cal Rg6h5]} 16. Qxh6 Qxg5 17. Qxg5 Nxg5 {[#]} 18. Rab1 $146 ({Predecessor:} 18. c4 Ne4 19. Be1 Re5 20. Rf4 Rae8 21. Rh4 Nc5 22. Bc3 Nxd3 23. cxd3 Rh5 24. Rg4 {½-½ (32) Filippov,A (2617)-Saric,I (2637) Sibenik 2012}) 18... Rab8 19. Rb4 Ne4 20. Be1 a5 21. Rxb8 Rxb8 22. c4 a4 23. Ba5 Rb2 24. Re1 Nc5 25. Bc3 {White threatens Re8+ and mate.} Rb8 26. Bxg6 fxg6 $11 {[%mdl 4096] Endgame KRB-KRN} 27. Bd4 Rb4 28. Bxc5 dxc5 {KR-KR} 29. Re6 Kf7 30. Rxc6 {[%mdl 64] [#] Double Attack} Rxc4 31. Rxc7+ Ke6 32. Rc6+ Kf5 33. Kf2 (33. h4 $11) 33... Rxc2+ $17 34. Ke3 a3 ({But not} 34... Rxa2 $6 35. Rxc5+ Kf6 36. Rc6+ Kg7 37. Kf3 $11) (34... Rxg2 $17 35. Rxc5+ Kf6) 35. h4 $11 {The position is equal.} c4 ({Don't play} 35... Rxa2 36. Rxc5+ Kg4 37. Rc4+ Kg3 38. Rc6 $17) 36. g4+ Ke5 37. Rxg6 Rxa2 {White must now prevent ...Ra1.} 38. Rg5+ Ke6 39. Ra5 Ra1 {Threatens to win with ...a2.} 40. Kd2 a2 41. Kc2 Rg1 42. Rxa2 Rg2+ 43. Kb1 Rxg4 44. Rh2 Kf6 45. Kc2 Kg6 46. h5+ Kh6 47. Kc3 Rg5 48. Kxc4 Rxh5 49. Rxh5+ Kxh5 {Accuracy: White = 93%, Black = 93%.} 1/2-1/2 [Event "Prague Festival Challengers 2020"] [Site "Prague"] [Date "2020.02.15"] [Round "4.2"] [White "Cernousek, Lukas"] [Black "Piorun, Kacper"] [Result "1/2-1/2"] [ECO "B40"] [WhiteElo "2442"] [BlackElo "2611"] [Annotator "TA"] [PlyCount "149"] [EventDate "2020.02.12"] [EventType "tourn"] [EventCountry "CZE"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 16,149,7,6,32,32,32,32,45,37,73,68,68,74,83,35,35,27,28,33,38,33,73,87,82,68,60,25,24,35,33,8,12,8,43,38,48,0,40,0,28,14,20,18,58,33,39,0,0,0,0,0,0,0,0,0,0,-3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 e6 3. c4 Nc6 4. d4 cxd4 5. Nxd4 Nf6 6. Nc3 Bb4 7. Nxc6 bxc6 8. Bd3 e5 9. O-O Bc5 {B44: Sicilian: Taimanov: 5 Nb5.} 10. Re1 {[#]} d6 $146 ({Predecessor:} 10... O-O 11. Na4 Bd4 12. Be3 Bxe3 13. Rxe3 d5 14. exd5 cxd5 15. Rxe5 Ng4 16. Rh5 g6 17. Rh3 Nxf2 18. Kxf2 Bxh3 19. gxh3 dxc4 20. Bf1 Qc7 21. Kg1 Rad8 22. Qc2 {½-½ (22) Rambaldi,F (2558)-Milliet,S (2400) Brest 2019}) 11. Be3 Bxe3 {White is slightly better.} 12. Rxe3 Rb8 13. Qd2 O-O 14. Be2 Ne8 15. c5 Qe7 16. cxd6 Nxd6 17. Rd1 Nb7 $1 18. Na4 Nd8 19. Qc3 Qc7 20. Nc5 (20. Rd5 {looks sharper.} Re8 21. b3 Kh8 22. Ra5 f6 23. Nc5) 20... Ne6 21. Nxe6 Bxe6 22. b3 Rfd8 23. Rc1 h6 24. h3 Rbc8 25. Ba6 Rb8 26. Be2 Rbc8 27. Ba6 Rb8 28. Rd3 Rxd3 29. Bxd3 Qd6 30. Be2 Rb4 31. Bf3 a5 {The position is equal.} 32. Rd1 Qc7 33. Qc5 Rb5 $1 {[%cal Rb5c5]} 34. Qd6 (34. Qc2 {feels hotter.} Rb4 35. Rc1 a4 36. bxa4 Rc4 37. Qd1) 34... Qxd6 $1 35. Rxd6 $11 {[%mdl 4096] Endgame KRB-KRB} Rc5 36. Rd8+ Kh7 37. Rd2 Kg6 38. Bg4 Kf6 39. Kf1 a4 (39... Bxg4 {is more complex.} 40. hxg4 Rc1+ 41. Ke2 Kg5 42. Rd7 Rc2+) 40. Bxe6 {[#] Bc4 is the strong threat.} Kxe6 {KR-KR} 41. Ke2 axb3 42. axb3 Rb5 43. Rd3 Rb4 44. f3 g6 45. Kd2 c5 46. Kc3 Rd4 47. Rd2 f5 48. exf5+ gxf5 49. Ra2 e4 50. fxe4 fxe4 51. Ra6+ Kd5 52. Rxh6 Rd3+ 53. Kc2 Rg3 54. h4 Rxg2+ 55. Kc3 Rg3+ 56. Kc2 Kd4 57. Rd6+ Ke5 58. Rc6 Kd5 59. Rc8 Rh3 60. Rd8+ Ke5 61. Rc8 Kd4 62. Rd8+ Ke3 63. Rd5 Kf2 64. Rxc5 e3 {Threatens to win with ...e2.} 65. Re5 Ke1 66. b4 e2 67. b5 Rxh4 68. Kd3 Rh3+ 69. Kc4 Kd2 {[#]} 70. Rxe2+ $1 {[%mdl 512]} Kxe2 71. b6 Rh8 72. Kd5 Kd3 73. b7 Rb8 74. Kc6 Rxb7 75. Kxb7 {Accuracy: White = 90%, Black = 91%.} 1/2-1/2 [Event "Prague Festival Challengers 2020"] [Site "Prague"] [Date "2020.02.18"] [Round "6.5"] [White "Cernousek, Lukas"] [Black "Kriebel, Tadeas"] [Result "1-0"] [ECO "C47"] [WhiteElo "2442"] [BlackElo "2524"] [Annotator "TA"] [PlyCount "93"] [EventDate "2020.02.12"] [EventType "tourn"] [EventCountry "CZE"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 15,93,37,37,37,37,37,49,37,37,41,45,44,47,21,84,-12,0,-7,33,81,101,110,102,110,84,84,98,93,101,100,80,61,91,72,76,84,93,63,66,74,74,74,74,74,74,74,108,109,131,124,2114,2095,2057,1417,6249,6270,6503,5481,29977,1028,821,0,29977,29978,29977,29978,29968,29969,29988,6270,29994,29985,29985,29985,29985,6470,29997,29998,29998,29999]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Nxe4 6. Nxe4 Qe7 7. f3 d5 8. Bb5 {8.Bb5 is better than 8.Nxc6.} Bd7 9. O-O {Strongly threatening Re1. has lost popularity (9.Bxc6). C47: Scotch Four Knights and Four Knights with 4 g3.} dxe4 10. Bxc6 $1 bxc6 11. Re1 {White is slightly better.} O-O-O {Threatens to win with ...c5.} 12. Rxe4 Qb4 13. Nb3 Qb7 {[#]} 14. Qe2 $146 ({Predecessor:} 14. Be3 Bf5 15. Rd4 Bd6 16. Qf1 Be5 17. Ra4 Qb5 18. Rxa7 Qxf1+ 19. Rxf1 Kb8 20. Na5 {0-1 (35) Belenkaya,D (2323)-Eugene,F (2193) Avoine 2017}) 14... f5 (14... Bd6 $11) 15. Ra4 (15. Re5 $16) 15... c5 $11 16. Ra5 $36 {[%mdl 2048] White has some pressure.} Re8 (16... c4 $5 17. Qxc4 Qb6+ 18. Qd4 Be6 19. Qxb6 Rd1+ 20. Kf2 axb6 $11) 17. Qf2 c4 18. Rxa7 Re1+ 19. Qxe1 Qxa7+ 20. Be3 Qa4 21. Nd4 Bd6 22. Qd2 Re8 23. a3 Be5 24. Bf4 Bf6 25. c3 h6 26. Re1 Rxe1+ 27. Qxe1 Bxd4+ 28. cxd4 g5 29. Be5 Qc2 30. Qc3 Qd1+ 31. Kf2 Be6 32. h3 {aiming for Qa5.} Qb1 $2 {[%mdl 8192] [#]} (32... Qa4 $16 33. Qd2 Qb3) 33. d5 $1 $18 {[%mdl 512]} Bxd5 {[#]} 34. Qa5 $1 {[%csl Ge5][%cal Ra5c7][%mdl 576] Double Attack} Qc2+ {[#]} 35. Kg1 $1 {[%csl Ge5][%cal Ra5c7][%mdl 512]} Qd1+ 36. Kh2 {[%csl Ge5][%cal Ra5c7]} Kb7 37. Qb5+ (37. Qxc7+ $142 Ka6 38. Qd6+ Kb7 39. Qd7+ Ka6 40. a4 Qb3 41. Qxd5 h5 42. Qa8+ Kb6 43. a5+ Kc5 44. a6) 37... Kc8 {[#]} 38. Qa5 (38. Qc5 $1 $18 {[%mdl 512]} Bc6 39. Qxc6 {[%mdl 64] Double Attack}) 38... Kb7 $1 39. Qxc7+ Ka6 40. Qd6+ Kb5 41. Qd7+ Kb6 42. Bc7+ (42. a4 $142 Qxa4 43. Qxa4 Bg8 44. Qd7 g4 45. Bd4+ Ka5 46. Qb7 g3+ 47. Kh1 h5 48. Bc3+ Ka4 49. Qb4#) 42... Ka6 43. a4 Qd4 44. Qb5+ Ka7 45. Bd6 (45. Bb8+ $142 Ka8 46. Bd6 Ka7 47. Bc5+ Qxc5 48. Qxc5+ Kb8 49. Qxd5 Kc7 50. a5) 45... Qd2 46. Bc5+ Ka8 47. Qa6+ {[%mdl 64] Double Attack. Accuracy: White = 81%, Black = 63%.} 1-0 [Event "Prague Festival Challengers 2020"] [Site "Prague"] [Date "2020.02.21"] [Round "9.4"] [White "Cernousek, Lukas"] [Black "Nguyen, Thai Dai Van"] [Result "0-1"] [ECO "B56"] [WhiteElo "2442"] [BlackElo "2560"] [Annotator "TA"] [PlyCount "70"] [EventDate "2020.02.12"] [EventType "tourn"] [EventCountry "CZE"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 20,70,37,28,31,46,58,51,29,0,29,23,31,35,16,21,26,-93,-81,-93,-85,-91,-80,-86,-95,-117,-111,-135,-116,-127,-116,-201,-189,-179,-188,-234,-236,-235,-235,-205,-202,-307,-304,-300,-291,-321,-315,-296,-245,-311,-311,-354,-366]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. f3 e5 7. Nb3 Be6 8. Be3 Be7 9. Qd2 O-O 10. O-O-O a5 11. Bb5 {11.Bb5 scores better than 11.Kb1.} Qb8 {B56: Classical Sicilian: Unusual Lines.} 12. Kb1 Na7 13. Be2 Nc6 {White is slightly better.} 14. Bb5 Rc8 15. Nd5 Bxd5 $1 16. exd5 a4 17. Na1 a3 18. b3 {[#]} ({Wrong is} 18. dxc6 $2 bxc6 19. c3 cxb5 $19) (18. b4 $1 $11) 18... Nd4 $5 $146 {[%cal Rd4b5][%mdl 8] White is on the road to losing. An interesting novelty.} ({Predecessor:} 18... Na7 19. Be2 Qc7 20. c4 Rcb8 21. Nc2 Nc8 22. Qb4 Bd8 23. Bc1 Qe7 24. Qc3 Ba5 25. b4 Bc7 26. Nxa3 Nb6 {1-0 (48) Baules,J (2264)-Davila,C (2374) Turin 2006}) 19. Bxd4 exd4 20. Qxd4 {[#]} Rc5 $1 $36 {[%cal Rc5b5][%mdl 2048] Black is really pushing.} 21. c4 Nxd5 $1 22. cxd5 {And now Qd3 would win.} Rxb5 23. Rc1 Bf6 24. Qd3 Rc5 25. b4 {[#]} (25. Rhe1 $17) 25... Rxc1+ $1 $19 26. Rxc1 Qe8 27. f4 Bb2 28. Rd1 Rc8 29. Nc2 g6 30. Nxa3 (30. Qe3 $142) 30... Bxa3 31. Qxa3 {KQR-KQR} Qe4+ 32. Ka1 Qxg2 ({Much less strong is} 32... Qxf4 33. g3 $19) 33. Rc1 Re8 34. Qb2 Qxd5 35. Qf6 {[#]} Qd2 $1 {Accuracy: White = 47%, Black = 95%.} 0-1