Kirk wrote: ↑Fri Apr 05, 2019 5:04 pm
Hi Ferdy!
How difficult would it be to add some tactical tips to Chess Artist?
Examples would be:
“This move would pin the Knight”
Tried to implement this with comment "Pins the knight"
Six sample games.
[pgn]
[Event "69th ch-RUS 2016"]
[Site "Novosibirsk RUS"]
[Date "2016.10.25"]
[Round "9.2"]
[White "Goganov,A"]
[Black "Riazantsev,A"]
[Result "1/2-1/2"]
[BlackElo "2651"]
[BlackFideId "4125029"]
[BlackTitle "GM"]
[ECO "A07"]
[EventDate "2016.10.16"]
[Opening "Reti"]
[Variation "King's Indian attack (Barcza system)"]
[WhiteElo "2635"]
[WhiteFideId "24109959"]
[WhiteTitle "GM"]
1. Nf3 d5 2. g3 Nd7 3. c4 dxc4 4. Na3 e5 5. Nxc4 e4 6. Nd4 $2 $15 { -0.92/15 } ( { Excellent is } 6. Nh4 h6 7. b3 $14 { +0.37/19 } ) 6... Nb6 { -0.21/17 } ( { Also playable is } 6... Nc5 7. Nb3 Be6 $15 { -0.52/20 } ) 7. e3 $6 $17 { -1.35/16 } ( { Better is } 7. Nxb6 axb6 8. Nc2 $15 { -0.58/20 } ) 7... Nf6 8. Bg2 Bc5 $6 { -0.04/16 } ( { Better is } 8... Nxc4 9. Qa4+ Bd7 $15 { -0.81/20 } ) 9. Nb3 $2 $17 { -1.26/16 } ( { Excellent is } 9. d3 exd3 10. Qxd3 { -0.18/22 } ) 9... Be7 $15 { -0.9/17 } ( { Also playable is } 9... Bb4 10. Ne5 Qd5 $17 { -1.19/20 } ) 10. Ne5 $17 { -1.29/18 } ( { Also playable is } 10. Nxb6 axb6 11. Nd4 $15 { -0.94/19 } ) 10... c5 11. O-O $6 $17 { -1.59/18 } ( { Better is } 11. d4 exd3 12. Nd2 $15 { -0.74/22 } ) 11... O-O $15 { -0.75/18 } ( { Also playable is } 11... Bd6 12. f4 Qc7 $15 { -0.97/21 } ) 12. f4 $6 $17 { -1.55/18 } ( { Better is } 12. d4 exd3 13. Nd2 $15 { -0.98/21 } ) 12... exf3 $4 $15 { -0.48/17 } ( { Better is } 12... a5 13. a4 Re8 $17 { -1.46/22 } ) 13. Qxf3 $2 $15 { -0.87/19 } ( { Excellent is } 13. Nxf3 Re8 14. d4 { +0.2/20 } ) 13... c4 14. Na5 Qc7 15. d4 cxd3 16. Nxd3 Rd8 17. Nf4 $17 { -1.6/18 } ( { Also playable is } 17. Qf4 Bd6 18. Qh4 $17 { -1.2/21 } ) 17... Rb8 $4 $15 { -0.33/17 } ( { Excellent is } 17... Nbd7 18. Bd2 Ne5 $17 { -1.89/22 } ) 18. Nb3 $17 { -1.0/17 } ( { Also playable is } 18. Qf2 Ng4 19. Qe2 $15 { -0.53/19 } ) 18... Bf5 $15 { -0.49/19 } ( { Also playable is } 18... Nc4 19. Nd4 Ne5 $15 { -0.75/20 } ) 19. Nd4 $2 $17 { -1.44/19 } ( { Excellent is } 19. Qe2 Be4 20. Bd2 $15 { -0.37/21 } ) 19... Be4 20. Qe2 $6 $17 { -1.48/18 } ( { Better is } 20. Qf2 Bxg2 21. Nxg2 $15 { -0.89/21 } ) 20... Bxg2 21. Qxg2 $6 $17 { -1.4/18 } ( { Better is } 21. Kxg2 Na4 22. Nd3 $15 { -0.59/20 } ) 21... Qe5 $6 $15 { -0.56/18 } ( { Better is } 21... Bc5 22. Bd2 Nc4 $17 { -1.38/20 } ) 22. g4 $6 $17 { -1.39/15 } ( { Better is } 22. Qf3 Nbd5 23. Bd2 $15 { -0.75/22 } ) 22... Qe4 $6 $15 { -0.7/19 } ( { Better is } 22... Rbc8 23. Nd3 Qe4 $17 { -1.26/20 } ) 23. Nf5 $6 $17 { -1.34/16 } ( { Better is } 23. Qxe4 Nxe4 24. b3 $15 { -0.58/23 } ) 23... Bc5 $4 $15 { -0.25/19 } ( { Excellent is } 23... Bf8 24. Qxe4 Nxe4 $17 { -1.68/23 } ) 24. Qxe4 Nxe4 25. b3 g6 $4 { -0.21/20 } ( { Better is } 25... Nd5 26. Nxd5 Rxd5 $17 { -1.06/23 } ) 26. Ng3 $2 $17 { -1.58/18 } ( { Excellent is } 26. Nh6+ Kg7 27. g5 $15 { -0.27/24 } ) 26... Nxg3 27. hxg3 Nd5 $15 { -0.94/20 } ( { Also playable is } 27... Rd6 28. Kg2 f6 $17 { -1.01/20 } ) 28. Kf2 Rd6 $15 { -0.33/19 } ( { Also playable is } 28... Nb4 29. Kf3 Nd3 $15 { -0.44/20 } ) 29. Kf3 Nb4 $6 { -0.14/18 } ( { Better is } 29... Nc3 30. Re1 Re8 $15 { -0.84/22 } ) 30. Ba3 Re8 { -0.09/19 } ( { Also playable is } 30... Rbd8 31. Rac1 b6 { -0.15/25 } ) 31. Rfe1 $6 $15 { -0.84/17 } ( { Better is } 31. Bxb4 Bxb4 32. e4 { -0.12/23 } ) 31... Rf6 $6 $14 { +0.41/17, Pins the knight } ( { Better is } 31... g5 32. Nh5 b6 $15 { -0.54/23 } ) 32. Kg2 $6 { -0.14/16 } ( { Better is } 32. Rad1 h6 33. Re2 $14 { +0.62/22 } ) 32... Ra6 $6 { +0.1/19 } ( { Better is } 32... Nd3 33. Nxd3 Bxa3 $15 { -0.47/21 } ) 33. Bxb4 Bxb4 34. Re2 Rd6 35. Rc1 Ba5 { +0.0/19 } ( { Also playable is } 35... g5 36. Nh5 Ba5 { -0.09/27 } ) 36. Kf3 { -0.19/19 } ( { Also playable is } 36. Rc5 Bb6 37. Rd5 { +0.0/26 } ) 36... Bb6 37. e4 Rd4 38. Rcc2 $15 { -0.48/19 } ( { Also playable is } 38. Rc3 Kg7 39. Nd5 { -0.1/24 } ) 38... Kg7 $6 { +0.0/19 } ( { Better is } 38... h6 39. Rc3 Rd1 $15 { -0.5/24 } ) 39. Nd5 $15 { -0.5/19 } ( { Also playable is } 39. g5 Bd8 40. Rc5 { -0.2/24 } ) 39... Rd3+ { -0.11/21 } ( { Also playable is } 39... Bd8 40. Nf4 Bf6 { -0.11/23 } ) 40. Kg2 Bd4 { +0.0/21 } ( { Also playable is } 40... Ba5 41. Rc5 Bd8 { -0.12/25 } ) 41. Nf4 Rc3 { +0.0/21 } ( { Also playable is } 41... Rd1 42. Rc7 g5 { +0.0/28 } ) 42. Rxc3 { -0.2/20 } ( { Also playable is } 42. Rcd2 Be5 43. g5 { +0.0/24 } ) 42... Bxc3 43. Rc2 Be5 44. Kf3 Rd8 45. Nd5 h6 { +0.0/29 } ( { Also playable is } 45... a6 46. a4 h6 { +0.0/34 } ) 46. a4 { +0.0/28 } ( { Also playable is } 46. Rc5 a6 47. a4 { +0.0/30 } ) 46... Kf8 { +0.0/25 } ( { Also playable is } 46... Bb8 47. Rc5 Be5 { +0.0/30 } ) 1/2-1/2
[Event "69th ch-RUS 2016"]
[Site "Novosibirsk RUS"]
[Date "2016.10.25"]
[Round "9.5"]
[White "Bocharov,D"]
[Black "Svidler,P"]
[Result "1/2-1/2"]
[BlackElo "2745"]
[BlackFideId "4102142"]
[BlackTitle "GM"]
[ECO "A13"]
[EventDate "2016.10.16"]
[Opening "English"]
[Variation "Romanishin gambit"]
[WhiteElo "2611"]
[WhiteFideId "4138716"]
[WhiteTitle "GM"]
1. Nf3 Nf6 2. c4 e6 3. g3 a6 4. Bg2 b5 5. b3 Bb7 6. O-O { -0.02/15 } ( { Also playable is } 6. Qc2 c5 7. O-O $14 { +0.33/19 } ) 6... c5 $2 $16 { +1.04/17 } ( { Excellent is } 6... Be7 7. a4 bxc4 $15 { -0.35/21 } ) 7. Nc3 $14 { +0.25/18 } ( { Also playable is } 7. Bb2 bxc4 8. bxc4 $14 { +0.36/21 } ) 7... Qb6 $14 { +0.88/17 } ( { Also playable is } 7... b4 8. Na4 Be7 $14 { +0.47/21 } ) 8. e3 $6 { +0.15/17 } ( { Better is } 8. Bb2 Nc6 9. e3 $14 { +0.67/20 } ) 8... Be7 $14 { +0.63/16 } ( { Also playable is } 8... d6 9. Qe2 bxc4 $14 { +0.45/20 } ) 9. Qe2 $6 { +0.0/17 } ( { Better is } 9. d4 O-O 10. d5 $14 { +0.5/22 } ) 9... Ne4 $6 $14 { +0.79/17 } ( { Better is } 9... O-O 10. cxb5 axb5 { +0.16/24 } ) 10. Bb2 $6 { -0.07/20 } ( { Better is } 10. Nxe4 Bxe4 11. d3 $14 { +0.66/21 } ) 10... O-O $6 $14 { +0.9/19 } ( { Better is } 10... Nxc3 11. Bxc3 O-O { +0.0/22 } ) 11. d4 $6 { -0.07/19 } ( { Better is } 11. Nxe4 Bxe4 12. d3 $14 { +0.44/21 } ) 11... Nxc3 12. Bxc3 cxd4 $2 $16 { +1.02/15 } ( { Excellent is } 12... b4 13. dxc5 Qxc5 { -0.11/21 } ) 13. exd4 Bf6 14. Rac1 $14 { +0.51/17 } ( { Also playable is } 14. Qd2 Be4 15. d5 $14 { +0.83/21 } ) 14... d6 $6 $16 { +1.01/17 } ( { Better is } 14... b4 15. Ba1 a5 { +0.07/21 } ) 15. c5 $4 { +0.23/18 } ( { Better is } 15. Qd2 a5 16. d5 $16 { +1.2/22 } ) 15... Qd8 $14 { +0.57/17 } ( { Also playable is } 15... Qc7 16. Bd2 Bxf3 { +0.19/23 } ) 16. Rfd1 $6 { +0.11/20 } ( { Better is } 16. Bb2 Bxf3 17. Bxf3 $14 { +0.66/21 } ) 16... Bd5 $1 $14 { +0.4/20 } ( { Inferior is } 16... Bxf3 17. Bxf3 d5 $14 { +0.73/21 } ) 17. Ne1 { +0.18/20 } ( { Also playable is } 17. h3 Nc6 18. Nh2 $14 { +0.46/22 } ) 17... Bxg2 $14 { +0.79/20 } ( { Also playable is } 17... Nc6 18. Bxd5 exd5 $14 { +0.36/22 } ) 18. Kxg2 d5 19. h4 $6 { +0.18/17 } ( { Better is } 19. Nf3 Nc6 20. a3 $14 { +0.88/22 } ) 19... Nc6 $14 { +0.86/19 } ( { Also playable is } 19... Qd7 20. Qg4 Nc6 $14 { +0.43/22 } ) 20. h5 $2 $17 { -1.08/17 } ( { Excellent is } 20. a3 Qd7 21. Nf3 $14 { +0.85/22 } ) 20... b4 21. Bb2 a5 $1 { -0.24/17 } ( { Inferior is } 21... Qa5 22. h6 g6 { +0.16/23 } ) 22. f4 $6 $15 { -0.51/19 } ( { Better is } 22. h6 g6 23. f4 $14 { +0.37/22 } ) 22... Qc7 { +0.02/18 } ( { Also playable is } 22... Qb8 23. Rb1 a4 { -0.18/21 } ) 23. Nf3 { -0.13/17 } ( { Also playable is } 23. Qd2 a4 24. g4 { +0.1/21 } ) 23... a4 { +0.06/18 } ( { Also playable is } 23... h6 24. Qe3 a4 { +0.0/20 } ) 24. Rc2 { +0.05/14 } ( { Also playable is } 24. Qd2 Qc8 25. Rb1 { +0.19/21 } ) 24... Rfe8 $14 { +0.52/17 } ( { Also playable is } 24... Qb7 25. Bc1 Qa6 $14 { +0.35/20 } ) 25. Qe3 $6 { -0.12/15 } ( { Better is } 25. Bc1 Bd8 26. Ne5 $14 { +0.86/21 } ) 25... Bd8 $14 { +0.55/16 } ( { Also playable is } 25... h6 26. Bc1 Rec8 $14 { +0.26/19 } ) 26. g4 $6 $14 { +0.36/16 } ( { Better is } 26. Ne5 Na5 27. h6 $14 { +0.87/19 } ) 26... f5 $16 { +1.45/17 } ( { Also playable is } 26... a3 27. Bc1 Ra7 $16 { +1.03/19 } ) 27. g5 Qb7 $16 { +1.53/18 } ( { Also playable is } 27... Re7 28. Bc1 Qd7 $16 { +1.15/21 } ) 28. Re2 $16 { +1.12/18 } ( { Also playable is } 28. Bc1 axb3 29. axb3 $16 { +1.55/22 } ) 28... Bc7 $16 { +1.46/18 } ( { Also playable is } 28... Qf7 29. Rh1 Bc7 $16 { +1.15/21 } ) 29. Rde1 $16 { +1.15/20 } ( { Also playable is } 29. h6 g6 30. Bc1 $16 { +1.36/26 } ) 29... Re7 $16 { +1.43/19 } ( { Interesting is } 29... Qc8 30. Bc1 Ra7 $16 { +1.48/20 } ) 30. Bc1 Kf8 $6 $16 { +1.99/21 } ( { Better is } 30... Qc8 31. Kh1 Bb8 $16 { +1.25/21 } ) 31. Qd3 $16 { +1.32/19 } ( { Also playable is } 31. bxa4 Kg8 32. Qd3 $16 { +1.58/21 } ) 31... Qc8 $16 { +1.59/19 } ( { Also playable is } 31... Qa6 32. Qd2 Qc8 $16 { +1.11/23 } ) 32. g6 h6 33. Bd2 $2 $14 { +0.85/19 } ( { Excellent is } 33. bxa4 Qa6 34. Qd2 $16 $18 { +2.12/23 } ) 33... axb3 34. axb3 Rb8 $16 { +1.98/19 } ( { Also playable is } 34... Kg8 35. Qb1 Re8 $16 { +1.62/24 } ) 35. Ra1 Ke8 $2 $16 $18 { +2.55/21 } ( { Excellent is } 35... Ra8 36. Rae1 Kg8 $16 { +1.32/28 } ) 36. Ne1 $6 $16 { +1.65/19 } ( { Better is } 36. Be1 Kf8 37. Kg3 $16 $18 { +2.17/24 } ) 36... Ra8 $16 { +1.83/23 } ( { Also playable is } 36... Qb7 37. Nc2 Qb5 $16 { +1.75/24 } ) 37. Rxa8 Qxa8 38. Qb5 { Pins the knight } 38... Kd7 $6 $16 $18 { +2.74/22 } ( { Better is } 38... Kf8 39. Nc2 Ba5 $16 { +1.81/26 } ) 39. Nd3 Kc8 40. Be3 Bb8 $16 $18 { +2.89/22 } ( { Also playable is } 40... Nb8 41. Bf2 Nc6 $16 $18 { +2.4/25 } ) 41. Nxb4 $2 $16 $18 { +2.32/18 } ( { Excellent is } 41. Bf2 Bc7 42. Nxb4 $16 $18 { +3.38/25 } ) 41... Nxb4 42. Qxb4 Rb7 $6 $16 $18 { +2.9/20 } ( { Better is } 42... Qc6 43. Rc2 Rb7 $16 $18 { +2.14/24 } ) 43. Qa4 $2 $16 { +1.47/22 } ( { Excellent is } 43. Qe1 Qa6 44. Bf2 $16 $18 { +3.19/25 } ) 43... Qxa4 44. bxa4 Rb3 $16 $18 { +2.62/22 } ( { Also playable is } 44... Kd7 45. Ra2 Ra7 $16 $18 { +2.25/27 } ) 45. a5 $6 $16 $18 { +2.14/18 } ( { Better is } 45. Bf2 Kd7 46. Ra2 $16 $18 { +2.82/28 } ) 45... Kd7 $16 $18 { +3.01/23 } ( { Also playable is } 45... Ra3 46. Bd2 Ra2 $16 $18 { +2.6/22 } ) 46. Bc1 $2 $16 $18 { +2.58/19 } ( { Excellent is } 46. Ra2 Rxe3 47. a6 $16 $18 { +3.76/27 } ) 46... Rc3 $16 $18 { +3.34/21 } ( { Also playable is } 46... Rb1 47. Ba3 Ba7 $16 $18 { +3.25/23 } ) 47. Bd2 $2 $16 { +1.33/19 } ( { Excellent is } 47. Rb2 Kc8 48. Bd2 $16 $18 { +3.87/25 } ) 47... Rc4 $16 { +1.87/20 } ( { Also playable is } 47... Rc2 48. Rf2 Rc4 $16 { +1.58/26 } ) 48. Be1 Bxf4 $2 $16 $18 { +3.79/22 } ( { Excellent is } 48... Ra4 49. Rb2 Bc7 $16 { +1.52/25 } ) 49. Ra2 Kc8 50. a6 Kb8 51. Re2 $6 $16 $18 { +3.0/20 } ( { Better is } 51. Rb2+ Ka8 52. Rb7 $16 $18 { +3.89/25 } ) 51... Ka7 $1 $16 $18 { +3.36/22 } ( { Inferior is } 51... Bg5 52. Bf2 Ka7 $16 $18 { +3.76/24 } ) 52. Rxe6 Bg5 53. Rd6 $2 $16 $18 { +2.41/17 } ( { Excellent is } 53. Bf2 Rc2 54. Re5 $16 $18 { +4.37/26 } ) 53... Rxd4 $1 $16 $18 { +2.68/18 } ( { Inferior is } 53... Be3 54. Rd7+ Kxa6 $16 $18 { +3.26/23 } ) 54. Bf2 $16 $18 { +2.86/18 } ( { Also playable is } 54. Rd7+ Kxa6 55. Rxg7 $16 $18 { +3.09/26 } ) 54... Rd2 $6 $16 $18 { +3.8/18 } ( { Better is } 54... Rg4+ 55. Kf3 Bh4 $16 $18 { +3.09/25 } ) 55. Kf3 Rd3+ 56. Ke2 Rd2+ 57. Ke1 Ra2 $16 $18 { +4.62/20 } ( { Also playable is } 57... Rc2 58. Rd7+ Kxa6 $16 $18 { +4.48/23 } ) 58. Bd4 f4 59. Rxd5 $16 $18 { +4.49/17 } ( { Also playable is } 59. Bxg7 f3 60. Rxd5 $16 $18 { +4.83/23 } ) 59... f3 60. Rf5 $6 $16 $18 { +4.38/18 } ( { Better is } 60. Bxg7 Re2+ 61. Kd1 $16 $18 { +4.88/22 } ) 60... Rd2 61. Bf2 $2 $16 $18 { +3.04/19 } ( { Excellent is } 61. Bxg7 Rg2 62. Rxf3 $16 $18 { +7.87/22 } ) 61... Rd3 $6 $16 $18 { +3.75/17 } ( { Better is } 61... Kxa6 62. Rxf3 Rd8 $16 $18 { +3.24/23 } ) 62. Rf7+ Kxa6 63. Rxg7 $4 { -0.09/20 } ( { Excellent is } 63. c6 Bd2+ 64. Kf1 $16 $18 { +4.72/24 } ) 63... Bd2+ $4 $16 $18 { +2.75/19 } ( { Excellent is } 63... Bf6 64. Rf7 Bc3+ { +0.0/27 } ) 64. Kf1 Rd5 $2 $16 $18 { +5.88/21 } ( { Excellent is } 64... Bg5 65. Bg3 Bf6 $16 $18 { +3.85/24 } ) 65. c6 Bc3 66. Rd7 Rxh5 67. c7 $2 $16 { +1.0/18 } ( { Excellent is } 67. Be3 Rh4 68. Ra7+ $16 $18 { +11.57/24 } ) 67... Kb7 $16 { +1.06/17 } ( { Also playable is } 67... Rh1+ 68. Bg1 Kb7 $14 { +0.99/29 } ) 68. Bg3 $2 $16 $18 { +4.3/19 } ( { Excellent is } 68. Bb6 Be5 69. g7 $16 $18 { +6.61/27 } ) 68... Rh1+ 69. Kf2 Be1+ 70. Kxf3 $4 { +0.14/23 } ( { Excellent is } 70. Ke3 Bxg3 71. g7 $16 $18 { +4.32/28 } ) 70... Rh3 71. Ke2 { +0.14/28 } ( { Also playable is } 71. g7 Rxg3+ 72. Ke4 { +0.14/31 } ) 71... Rxg3 72. g7 Ba5 73. Rd8 Bxc7 74. g8=Q Rxg8 75. Rxg8 1/2-1/2
[Event "69th ch-RUS 2016"]
[Site "Novosibirsk RUS"]
[Date "2016.10.26"]
[Round "10.4"]
[White "Tomashevsky,E"]
[Black "Jakovenko,D"]
[Result "1/2-1/2"]
[BlackElo "2714"]
[BlackFideId "4122356"]
[BlackTitle "GM"]
[ECO "C50"]
[EventDate "2016.10.16"]
[Opening "Giuoco Pianissimo"]
[WhiteElo "2724"]
[WhiteFideId "4147235"]
[WhiteTitle "GM"]
1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. O-O O-O 6. h3 { -0.01/15 } ( { Also playable is } 6. c3 Bb6 7. Bg5 $14 { +0.46/20 } ) 6... d6 $14 { +0.67/16 } ( { Also playable is } 6... a6 7. Nbd2 Ba7 { +0.2/20 } ) 7. c3 { +0.12/16 } ( { Also playable is } 7. a4 a5 8. Nc3 { +0.24/21 } ) 7... a6 $2 $14 { +0.77/16 } ( { Excellent is } 7... a5 8. Bg5 h6 $15 { -0.49/22 } ) 8. a4 { +0.16/17 } ( { Also playable is } 8. Bb3 b5 9. Qe2 $14 { +0.3/18 } ) 8... Ba7 $14 { +0.44/15 } ( { Also playable is } 8... Bb6 9. Nbd2 Ne7 $14 { +0.4/20 } ) 9. Nbd2 $6 $14 { +0.25/17 } ( { Better is } 9. b4 Ne7 10. Nbd2 $14 { +0.92/19 } ) 9... Ne7 $14 { +0.84/18 } ( { Also playable is } 9... Qe8 10. b4 Be6 $14 { +0.43/19 } ) 10. Re1 $6 { +0.19/17 } ( { Better is } 10. d4 Ng6 11. b4 $14 { +0.72/19 } ) 10... Ng6 $14 { +0.7/17 } ( { Also playable is } 10... h6 11. Bb3 c6 $14 { +0.33/20 } ) 11. Bb3 $2 $15 { -0.51/18 } ( { Excellent is } 11. Nf1 c6 12. Bb3 $14 { +0.74/21 } ) 11... c6 $2 $14 { +0.82/18 } ( { Excellent is } 11... Bxh3 12. gxh3 Nf4 $15 { -0.55/21 } ) 12. Nf1 $14 { +0.31/18 } ( { Also playable is } 12. d4 Re8 13. Bc2 $14 { +0.72/20 } ) 12... d5 13. Ng3 $6 { +0.09/19 } ( { Better is } 13. exd5 Nxd5 14. Ng3 $14 { +0.81/21 } ) 13... h6 $14 { +0.72/18 } ( { Also playable is } 13... dxe4 14. dxe4 Qc7 $14 { +0.45/21 } ) 14. exd5 Nxd5 15. d4 exd4 16. Nxd4 Re8 $6 $14 { +0.85/17 } ( { Better is } 16... Be6 17. Bc2 Ndf4 { +0.19/22 } ) 17. Rxe8+ Qxe8 18. Bxd5 cxd5 19. Be3 Bb8 20. Nf1 { +0.0/18 } ( { Also playable is } 20. Qd2 Bc7 21. a5 { +0.18/19 } ) 20... Be6 $6 $14 { +0.46/17 } ( { Better is } 20... Bc7 21. Qh5 Qd7 { -0.14/22 } ) 21. Qh5 { +0.06/17 } ( { Also playable is } 21. Nh2 Bc7 22. Qb3 $14 { +0.46/21 } ) 21... Be5 22. Nd2 { +0.0/19 } ( { Interesting is } 22. Qd1 Qe7 23. Qd2 { -0.03/20 } ) 22... Bd7 { +0.18/19 } ( { Also playable is } 22... Bxd4 23. Bxd4 Bd7 { -0.03/23 } ) 23. N2f3 { +0.15/21 } ( { Also playable is } 23. a5 f6 24. Qd1 $14 { +0.43/22 } ) 23... f6 $14 { +0.37/18 } ( { Also playable is } 23... Bxd4 24. Nxd4 Qe4 { +0.09/24 } ) 24. a5 { -0.22/19 } ( { Also playable is } 24. Nf5 Ne7 25. Nxe7+ $14 { +0.25/23 } ) 24... Nf8 $14 { +0.25/20 } ( { Also playable is } 24... Ne7 25. Qxe8+ Rxe8 { -0.19/24 } ) 25. Qxe8 { Pins the knight } 25... Rxe8 26. Nxe5 { -0.13/19 } ( { Also playable is } 26. Nc2 Bd6 27. Rd1 { +0.09/26 } ) 26... fxe5 27. Nb3 Ne6 $14 { +0.43/20 } ( { Also playable is } 27... Bc6 28. f3 Ng6 { +0.09/23 } ) 28. Nc5 Nxc5 29. Bxc5 Kf7 $14 { +0.29/21 } ( { Also playable is } 29... Bb5 30. Re1 Kf7 { +0.21/25 } ) 30. Re1 { +0.14/22 } ( { Also playable is } 30. h4 Bb5 31. f3 $14 { +0.35/24 } ) 30... g5 { +0.21/22 } ( { Also playable is } 30... h5 31. h4 Kf6 { +0.0/26 } ) 31. Re3 { +0.0/21 } ( { Also playable is } 31. g4 Rc8 32. b4 { +0.12/25 } ) 31... Re6 { +0.1/19 } ( { Also playable is } 31... Bb5 32. g4 Rc8 { +0.0/24 } ) 32. Bb6 { +0.0/23 } ( { Also playable is } 32. Rf3+ Kg6 33. Rf8 { +0.0/28 } ) 32... Bb5 { +0.0/24 } ( { Also playable is } 32... Re8 33. f3 h5 { +0.0/29 } ) 33. Rf3+ Rf6 { +0.0/28 } ( { Also playable is } 33... Kg6 34. Rf8 Re8 { +0.0/31 } ) 34. Rxf6+ { +0.0/30 } ( { Also playable is } 34. Re3 Re6 35. h4 { +0.17/27 } ) 34... Kxf6 35. f3 { +0.0/32 } ( { Also playable is } 35. g4 Be2 36. Kg2 { +0.0/36 } ) 35... e4 { +0.17/19 } ( { Also playable is } 35... h5 36. g4 h4 { +0.0/37 } ) 36. fxe4 { +0.0/24 } ( { Also playable is } 36. Kf2 h5 37. fxe4 { +0.0/29 } ) 36... dxe4 37. Kf2 { +0.0/28 } ( { Also playable is } 37. Bd4+ Kf5 38. b3 { +0.0/35 } ) 37... Kg6 { +0.0/29 } ( { Also playable is } 37... h5 38. Bd4+ Kg6 { +0.0/36 } ) 38. g3 { +0.0/29 } ( { Also playable is } 38. Kg3 Bf1 39. b3 { +0.0/36 } ) 38... Bd7 39. h4 gxh4 40. gxh4 h5 { +0.04/30 } ( { Also playable is } 40... Bb5 41. b3 Bd3 { +0.0/41 } ) 1/2-1/2
[Event "66th ch-RUS w 2016"]
[Site "Novosibirsk RUS"]
[Date "2016.10.25"]
[Round "9.2"]
[White "Charochkina,D"]
[Black "Galliamova,A"]
[Result "0-1"]
[BlackElo "2450"]
[BlackFideId "4129725"]
[BlackTitle "IM"]
[ECO "D52"]
[EventDate "2016.10.16"]
[Opening "QGD"]
[WhiteElo "2366"]
[WhiteFideId "4180917"]
[WhiteTitle "IM"]
1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. Bg5 Nbd7 6. e3 h6 $6 $16 { +1.0/16 } ( { Better is } 6... a6 7. cxd5 exd5 $14 { +0.47/20 } ) 7. Bf4 $6 { +0.21/15 } ( { Better is } 7. Bh4 Bd6 8. Bd3 $14 { +0.92/18 } ) 7... Nh5 $6 $14 { +0.74/17 } ( { Better is } 7... Bb4 8. Qb3 Qa5 { +0.18/20 } ) 8. Be5 Nhf6 9. Bg3 $14 { +0.35/17 } ( { Also playable is } 9. Bd3 dxc4 10. Bxc4 $14 { +0.78/20 } ) 9... Nh5 $14 { +0.79/17 } ( { Also playable is } 9... Bb4 10. Bd3 dxc4 $14 { +0.43/21 } ) 10. Bh4 $6 { +0.18/17 } ( { Better is } 10. Be5 Nhf6 11. Bg3 $14 { +0.68/20 } ) 10... g5 11. Nd2 $6 { +0.08/16 } ( { Better is } 11. Bg3 Nxg3 12. hxg3 $14 { +0.82/21 } ) 11... Ng7 $6 $16 { +1.03/16 } ( { Better is } 11... Ndf6 12. Bg3 Nxg3 $14 { +0.4/20 } ) 12. Bg3 Nf5 13. e4 $6 { -0.23/16 } ( { Better is } 13. Qf3 Nxg3 14. hxg3 $14 { +0.54/20 } ) 13... Nxg3 $2 $14 { +0.68/16 } ( { Excellent is } 13... Nxd4 14. cxd5 exd5 $15 { -0.4/21 } ) 14. hxg3 Bg7 $14 { +0.92/18 } ( { Also playable is } 14... dxc4 15. a4 Rb8 $14 { +0.57/22 } ) 15. e5 $2 $17 { -1.21/16 } ( { Excellent is } 15. exd5 exd5 16. cxd5 { +0.14/19 } ) 15... c5 16. cxd5 $2 $17 { -1.72/16 } ( { Excellent is } 16. f4 cxd4 17. Nb5 $14 { +0.73/20 } ) 16... cxd4 17. dxe6 dxc3 18. exd7+ Bxd7 19. bxc3 Bxe5 20. Bc4 Bxc3 { Pins the knight } 21. O-O Bc6 22. Qh5 $17 { -1.3/17 } ( { Also playable is } 22. Qe2+ Qe7 23. Rae1 $15 { -0.85/24 } ) 22... O-O 23. Rad1 Bg7 $4 { +0.09/19 } ( { Excellent is } 23... Qf6 24. Bb3 Rad8 $17 { -1.62/22 } ) 24. Ne4 Qc7 { +0.16/20 } ( { Also playable is } 24... Qe7 25. Nd6 Ba4 { -0.11/24 } ) 25. Nd6 Ba4 26. Rd2 b5 27. Bd5 Rab8 $14 { +0.39/16 } ( { Also playable is } 27... Rad8 28. Nxf7 Rxd5 { +0.0/28 } ) 28. Nf5 $6 { +0.0/21 } ( { Better is } 28. Rd3 Rbd8 29. Nf5 $14 { +0.55/23 } ) 28... Rb6 $14 { +0.33/17 } ( { Also playable is } 28... Qc3 29. Nxh6+ Bxh6 { +0.0/31 } ) 29. Re1 $4 { +0.12/18 } ( { Excellent is } 29. f4 gxf4 30. Qg4 $16 $18 { +2.12/23 } ) 29... Rf6 30. g4 $15 { -0.42/19 } ( { Also playable is } 30. Qg4 Qc3 31. Rde2 { +0.0/24 } ) 30... b4 31. Rde2 a5 { +0.0/19 } ( { Also playable is } 31... Kh8 32. Qh3 Rd8 $15 { -0.38/23 } ) 32. Re7 $6 $15 { -0.68/18 } ( { Better is } 32. Qh3 Rd8 33. Bb3 { +0.0/23 } ) 32... Qc5 33. R1e5 $6 $15 { -0.82/18 } ( { Better is } 33. R7e5 Qb6 34. Re7 { -0.1/24 } ) 33... Qc1+ $6 { +0.0/21 } ( { Better is } 33... Qc3 34. Qh3 Qd2 $15 { -0.7/21 } ) 34. Kh2 $17 { -1.0/16 } ( { Also playable is } 34. Re1 Qc3 35. R7e3 $15 { -0.51/22 } ) 34... Qf4+ $6 $15 { -0.65/18 } ( { Better is } 34... Kh8 35. Re3 Bc2 $17 { -1.59/21 } ) 35. Kh3 $2 $17 { -1.85/17 } ( { Excellent is } 35. Kg1 Qd2 36. Qh3 $15 { -0.58/23 } ) 35... Qxf2 36. Rxf7 R8xf7 37. Re7 Rxf5 38. gxf5 Qxf5+ 39. Kh2 Qxd5 0-1
[Event "66th ch-RUS w 2016"]
[Site "Novosibirsk RUS"]
[Date "2016.10.25"]
[Round "9.1"]
[White "Ubiennykh,E"]
[Black "Kosteniuk,A"]
[Result "0-1"]
[BlackElo "2537"]
[BlackFideId "4128125"]
[BlackTitle "GM"]
[ECO "E46"]
[EventDate "2016.10.16"]
[Opening "Nimzo-Indian"]
[Variation "Reshevsky variation"]
[WhiteElo "2346"]
[WhiteFideId "4137582"]
[WhiteTitle "WIM"]
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Ne2 d5 6. a3 { -0.07/15 } ( { Also playable is } 6. cxd5 exd5 7. a3 { -0.01/20 } ) 6... Be7 $6 $14 { +0.33/15 } ( { Better is } 6... Bd6 7. cxd5 exd5 $15 { -0.44/21 } ) 7. cxd5 $15 { -0.39/18 } ( { Also playable is } 7. Ng3 c5 8. cxd5 { -0.13/22 } ) 7... exd5 8. Nf4 $15 { -0.37/17 } ( { Also playable is } 8. Ng3 c5 9. dxc5 { +0.05/21 } ) 8... c6 { +0.17/17 } ( { Also playable is } 8... h6 9. Bd3 c6 $15 { -0.31/20 } ) 9. Bd3 Na6 { +0.19/16 } ( { Also playable is } 9... h6 10. O-O Re8 $15 { -0.26/20 } ) 10. O-O $6 $15 { -0.51/17 } ( { Better is } 10. Bc2 b5 11. O-O $14 { +0.46/21 } ) 10... Nc7 11. Bc2 $15 { -0.37/18 } ( { Also playable is } 11. b4 Bd6 12. Bd2 { -0.14/19 } ) 11... b6 $6 $14 { +0.37/16 } ( { Better is } 11... Re8 12. f3 c5 { -0.23/20 } ) 12. f3 $6 $15 { -0.38/17 } ( { Better is } 12. e4 dxe4 13. Nxe4 $14 { +0.34/20 } ) 12... c5 13. Rf2 $2 $15 { -0.96/16 } ( { Excellent is } 13. b3 Ba6 14. Re1 { +0.24/21 } ) 13... Bd6 14. Nce2 $15 { -0.92/14 } ( { Also playable is } 14. Rb1 Ba6 15. dxc5 $15 { -0.64/19 } ) 14... Re8 $15 { -0.72/15 } ( { Interesting is } 14... a5 15. g4 h6 $15 { -0.68/18 } ) 15. Bd2 $6 $15 { -0.97/15 } ( { Better is } 15. b4 c4 16. Nc3 $15 { -0.43/20 } ) 15... Bb7 $6 { -0.05/16 } ( { Better is } 15... Bd7 16. g4 h6 $15 { -0.83/20 } ) 16. b4 $17 { -1.07/17 } ( { Also playable is } 16. dxc5 bxc5 17. Rb1 $15 { -0.71/19 } ) 16... c4 17. g4 Nd7 $15 { -0.52/16 } ( { Also playable is } 17... Qe7 18. Qf1 h6 $15 { -0.58/20 } ) 18. Rg2 $6 $17 { -1.03/16 } ( { Better is } 18. Qf1 Qh4 19. Rg2 { -0.12/20 } ) 18... Ne6 $4 { +0.06/17 } ( { Excellent is } 18... Nf8 19. Qf1 Be7 $17 { -1.22/19 } ) 19. Qe1 $4 $17 $19 { -3.02/20 } ( { Excellent is } 19. Nxe6 Rxe6 20. Nc3 { +0.24/21 } ) 19... Bxf4 20. exf4 Nxd4 21. Nxd4 Rxe1+ 22. Rxe1 c3 $4 { -0.18/18 } ( { Excellent is } 22... Qf6 23. Be3 Re8 $17 $19 { -2.77/21 } ) 23. Bxc3 Qc7 24. Bb2 Nf8 25. f5 Bc8 $6 $14 { +0.59/18 } ( { Better is } 25... Rc8 26. Ba4 a5 $15 { -0.37/20 } ) 26. Re8 { -0.05/19, Pins the knight } ( { Also playable is } 26. Bb3 Bb7 27. Rge2 $14 { +0.29/22 } ) 26... Bb7 27. Re3 $1 { -0.12/18 } ( { Interesting is } 27. Re1 Rc8 28. Ba4 $15 { -0.27/21 } ) 27... Rc8 { -0.1/20 } ( { Interesting is } 27... a5 28. b5 Nd7 { -0.07/22 } ) 28. Bd3 $15 { -0.48/17 } ( { Also playable is } 28. Rge2 Qf4 29. Bd3 { +0.0/22 } ) 28... Qf4 { -0.19/19 } ( { Also playable is } 28... Qd6 29. Bb5 a6 $15 { -0.25/21 } ) 29. Rge2 h5 $6 { -0.09/21 } ( { Better is } 29... Bc6 30. Ba6 Rc7 $15 { -0.61/24 } ) 30. gxh5 Nh7 31. Re7 Ng5 $2 $16 { +1.39/16 } ( { Excellent is } 31... Qg5+ 32. Kf1 Rb8 { +0.0/26 } ) 32. Rxb7 $4 { +0.0/19 } ( { Excellent is } 32. f6 Bc6 33. Nxc6 $16 $18 { +2.38/23 } ) 32... Nh3+ 33. Kg2 Qh4 34. Ne6 fxe6 35. Rxg7+ Kf8 36. Rg4 $4 $17 $19 { -2.89/17 } ( { Excellent is } 36. fxe6 Nf4+ 37. Kh1 $16 $18 { +7.47/27 } ) 36... Nf4+ 37. Rxf4 Qxf4 38. fxe6 Ke7 $2 $17 { -1.86/19 } ( { Excellent is } 38... Qg5+ 39. Kf2 Ke7 $17 $19 { -3.0/23 } ) 39. Be5 Qg5+ 40. Bg3 Rc3 41. Bg6 d4 42. f4 $2 $17 $19 { -4.74/18 } ( { Excellent is } 42. Re4 Qd2+ 43. Kh3 $17 $19 { -3.65/23 } ) 42... Qg4 $6 $17 $19 { -4.24/17 } ( { Better is } 42... Qd5+ 43. Be4 Qxh5 $17 $19 { -5.23/22 } ) 43. Rf2 d3 44. f5 Rc2 45. f6+ Kxe6 46. Bxd3 Rxf2+ 47. Kxf2 Qxh5 48. Ke3 $1 $17 $19 { -4.37/22 } ( { Interesting is } 48. a4 Qd1 49. Ke3 $17 $19 { -4.48/25 } ) 48... Qh6+ $17 $19 { -4.37/20 } ( { Also playable is } 48... Qd1 49. b5 Qc1+ $17 $19 { -4.48/26 } ) 49. Kd4 $1 $17 $19 { -4.48/23 } ( { Interesting is } 49. Bf4 Qxf6 50. Ke4 $17 $19 { -4.58/25 } ) 49... Qxf6+ 50. Kc4 $6 $17 $19 { -5.55/20 } ( { Better is } 50. Ke4 Qc3 51. b5 $17 $19 { -4.69/29 } ) 50... Qb2 51. Be1 b5+ 52. Kxb5 Qe5+ 53. Ka6 Qxe1 54. Bc4+ Kd6 55. Ka5 Qc3 0-1
[Event "chess.com Blitz Final 5m+2spm 2016"]
[Site "chess.com INT"]
[Date "2016.10.27"]
[Round "4"]
[White "Carlsen,M"]
[Black "Nakamura,Hi"]
[Result "1/2-1/2"]
[BlackElo "2787"]
[BlackFideId "2016192"]
[BlackTitle "GM"]
[ECO "A05"]
[EventDate "2016.10.27"]
[Opening "Reti opening"]
[WhiteElo "2853"]
[WhiteFideId "1503014"]
[WhiteTitle "GM"]
1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. O-O Be7 5. d3 b6 6. Nbd2 $6 $15 { -0.46/17 } ( { Better is } 6. e4 dxe4 7. Ne5 { +0.22/20 } ) 6... Bb7 $6 { +0.11/17 } ( { Better is } 6... c5 7. Ne5 Nfd7 $15 { -0.53/21 } ) 7. e4 c5 $6 $14 { +0.25/16 } ( { Better is } 7... O-O 8. e5 Nfd7 $15 { -0.68/21 } ) 8. Re1 $6 $15 { -0.45/19 } ( { Better is } 8. Ne5 O-O 9. f4 $14 { +0.32/20 } ) 8... Nc6 $1 { -0.04/17 } ( { Interesting is } 8... O-O 9. exd5 Nxd5 { +0.06/21 } ) 9. c3 Qc7 $14 { +0.27/18 } ( { Also playable is } 9... O-O 10. exd5 Nxd5 { -0.11/22 } ) 10. Nf1 $2 $15 { -0.79/17 } ( { Excellent is } 10. exd5 Nxd5 11. a4 $14 { +0.44/23 } ) 10... dxe4 $1 { -0.16/18 } ( { Interesting is } 10... d4 11. cxd4 cxd4 { +0.0/21 } ) 11. dxe4 Rd8 $6 { -0.04/17 } ( { Better is } 11... h6 12. e5 Nd7 $15 { -0.72/20 } ) 12. Qa4 $15 { -0.43/17, Pins the knight } ( { Also playable is } 12. Qe2 O-O 13. e5 { +0.02/22 } ) 12... a6 $6 $14 { +0.32/18 } ( { Better is } 12... h6 13. Bf4 Qc8 $15 { -0.53/22 } ) 13. e5 $6 $15 { -0.5/18 } ( { Better is } 13. Bf4 Qd7 14. Rad1 $14 { +0.25/22 } ) 13... Nd7 $6 { +0.13/18 } ( { Better is } 13... b5 14. Qf4 Nd7 $15 { -0.67/22 } ) 14. Qg4 Kf8 15. Qh5 $6 $15 { -0.42/16 } ( { Better is } 15. h4 b5 16. Bg5 { +0.13/21 } ) 15... h6 $2 $14 { +0.75/19 } ( { Excellent is } 15... Kg8 16. Bg5 h6 $15 { -0.71/22 } ) 16. Bf4 $2 $17 { -1.5/19 } ( { Excellent is } 16. Ng5 Bxg5 17. Bxg5 $16 { +1.16/24 } ) 16... Kg8 $4 { -0.09/18 } ( { Excellent is } 16... g6 17. Qh3 Kg7 $17 { -1.46/23 } ) 17. h4 Nf8 18. Ne3 $6 $15 { -0.47/17 } ( { Better is } 18. N3h2 Na5 19. Bxb7 $14 { +0.33/21 } ) 18... Ng6 $15 { -0.29/16 } ( { Also playable is } 18... b5 19. Qg4 h5 $15 { -0.41/21 } ) 19. Rad1 $15 { -0.49/17 } ( { Also playable is } 19. Nc4 Na5 20. Nd6 { +0.0/21 } ) 19... b5 { -0.09/19 } ( { Interesting is } 19... Rxd1 20. Rxd1 Kh7 { -0.01/21 } ) 20. Rxd8+ Bxd8 { +0.0/18 } ( { Also playable is } 20... Nxd8 21. Rd1 a5 { -0.18/21 } ) 21. Qg4 $6 $15 { -0.48/20 } ( { Better is } 21. Rd1 Bc8 22. Bf1 $14 { +0.36/22 } ) 21... h5 22. Qh3 c4 $6 $14 { +0.28/16 } ( { Better is } 22... Qb6 23. Nf1 Nb8 $15 { -0.26/19 } ) 23. Rd1 $6 { -0.22/17 } ( { Better is } 23. a4 Na5 24. axb5 $14 { +0.58/21 } ) 23... Be7 $1 { +0.01/18 } ( { Inferior is } 23... Qc8 24. Qh1 Na5 $14 { +0.39/22 } ) 24. Qh1 $15 { -0.54/18 } ( { Also playable is } 24. a4 Kh7 25. Kh2 { -0.18/20 } ) 24... Kh7 $6 $14 { +0.57/18 } ( { Better is } 24... Nxf4 25. gxf4 g6 { -0.2/21 } ) 25. Ng5+ Bxg5 26. hxg5 $2 $17 { -1.74/19 } ( { Excellent is } 26. Bxg5 Rb8 27. f4 $14 { +0.77/23 } ) 26... Rd8 $2 $14 { +0.94/19 } ( { Excellent is } 26... Kg8 27. Be4 h4 $17 { -1.09/24 } ) 27. Qxh5+ Kg8 28. Rxd8+ $6 { +0.0/20 } ( { Better is } 28. Be4 Rxd1+ 29. Qxd1 $14 { +0.95/27 } ) 28... Nxd8 29. Bxb7 $15 { -0.41/21 } ( { Also playable is } 29. Qh1 Bxg2 30. Qxg2 { +0.02/23 } ) 29... Nxb7 30. Qf3 Nc5 $6 { +0.0/21 } ( { Better is } 30... Qc8 31. Ng2 Nc5 $15 { -0.5/23 } ) 31. Qa8+ Kh7 32. Qh1+ { +0.0/28 } ( { Also playable is } 32. a3 Qd7 33. Qh1+ { +0.0/30 } ) 32... Kg8 33. Qa8+ Kh7 34. Ng4 { +0.0/21 } ( { Also playable is } 34. Nc2 Nd3 35. Qh1+ { +0.0/28 } ) 34... Qd7 { +0.0/22 } ( { Also playable is } 34... Nd3 35. Be3 Nxb2 { +0.0/25 } ) 35. Qh1+ Kg8 36. Qa8+ Kh7 37. Qh1+ Kg8 1/2-1/2
[/pgn]
Ohh I just saw "Rook attacks along the open file" this can be detected too. See black's 11th move.
[pgn]
[Event "chess.com Blitz Final 5m+2spm 2016"]
[Site "chess.com INT"]
[Date "2016.10.27"]
[Round "4"]
[White "Carlsen,M"]
[Black "Nakamura,Hi"]
[Result "1/2-1/2"]
[BlackElo "2787"]
[BlackFideId "2016192"]
[BlackTitle "GM"]
[ECO "A07"]
[EventDate "2016.10.27"]
[Opening "Reti opening"]
[WhiteElo "2853"]
[WhiteFideId "1503014"]
[WhiteTitle "GM"]
1.Nf3 Nf6 2.g3 d5 3.Bg2 e6 4.O-O Be7 5.d3 b6 6.Nbd2 $6 $15 { -0.46/17 } ( { Better is } 6.e4 dxe4 7.Ne5 { +0.22/20 } ) 6...Bb7 $6 { +0.11/17 } ( { Better is } 6...c5 7.Ne5 Nfd7 $15 { -0.53/21 } ) 7.e4 c5 $6 $14 { +0.25/16 } ( { Better is } 7...O-O 8.e5 Nfd7 $15 { -0.68/21 } ) 8.Re1 $6 $15 { -0.45/19 } ( { Better is } 8.Ne5 O-O 9.f4 $14 { +0.32/20 } ) 8...Nc6 $1 { -0.04/17 } ( { Interesting is } 8...O-O 9.exd5 Nxd5 { +0.06/21 } ) 9.c3 Qc7 $14 { +0.27/18 } ( { Also playable is } 9...O-O 10.exd5 Nxd5 { -0.11/22 } ) 10.Nf1 $2 $15 { -0.79/17 } ( { Excellent is } 10.exd5 Nxd5 11.a4 $14 { +0.44/23 } ) 10...dxe4 $1 { -0.16/18 } ( { Interesting is } 10...d4 11.cxd4 cxd4 { +0.0/21 } ) 11.dxe4 Rd8 $6 { -0.04/17 } ( { Better is } 11...h6 12.e5 Nd7 $15 { -0.72/20 } ) 1/2-1/2
[/pgn]