Sunday, September 9, 2018

Game of the Week, by Alan Lasser. Plus more...

Good news chess fans, 2461 rated Yixin Li has returned to UMass this semester and he intends to play in more USCF tournaments. He had a lot of fun at the Chinese national team tournament this summer. In this game he had to navigate through one of those treacherous more-pieces-than-pawns positions to score the point.

Yixin Li-Cuihao
8/8/18
2018 Libei Team Tournament
1.e4 c5
2.Nf3 d6
3.d4 cxd4
4.Nxd4 Nf6
5.Nc3 a6
6.f4 e6
7.Qf3 Qc7
8.Be3 Nc6
9.O-O-O Bd7
10.Kb1 Rc8
11.h3 b5
12.Bd3 Nxd4
13.Bxd4 Qb7
14.g4 b4
15.Ne2 Bb5
16.Bxf6 gxf6
17.f5 Be7
18.Nf4 Bd7
19.Nh5 e5
20.g5?! +1.13/24
20.Qe2 +1.51/21 20...Bb5 21.Qe3 21. Bxb5+ Qxb5 22. Rd3 h6 23. Qd2 Qb6 24. Rd1 a5 25. Ng3 Qc6 26. Qg2 Qb7 27. Nf1 Rc3 28. Ne3 Rxd3 29. Rxd3 +1.43 Stockfish 21...h6 22.Bxb5+ Qxb5 23.Rd3 Qc4 24.Rc1 a5 25.c3 b3 26.a3 Qc5 27.Qe1 Qc4
20.Qg3 Bc6 21.Rhe1 Rc7 22.Qh4 Kd8 23.Nxf6 h6 24.g5 Bxf6 25.gxf6 Kc8 26.Bc4 Qa7 27.Qg3 Rd8 28.Qe3 Kb8 29.Qxh6 +1.74 Stockfish
20…fxg5
21.f6 Bf8
22.Ng7+ Kd8
23.Qh5 Kc7
24.Qxg5?! +0.80/25
24.Qxf7 +1.38/22 24...Kb6 24...h6 25. Nf5 Kb6 26. Ne3 Ka7 27. Qh5 a5 28. b3 Kb8 29. Nd5 Rh7 30. h4 gxh4 +2.15 Stockfish 25.Qb3 25. Qh5 h6 26. h4 gxh4 27. Rxh4 Rg8 28. Qf7 Bxg7 29. fxg7 Qc7 30. Rxh6 Bc6 31. Qc4 Bb7 32. Qxb4+ Ka7 33. Qxd6 Rxg7 +2.43 Stockfish 25...Ka7 26.Ne6 h6 27.h4 g4 28.h5 Bc6 29.Rde1 Kb8 30.Rhg1 a5 31.Rxg4 a4 32.Qc4 Be8 33.Qd5 Bxh5 34.Qxb7+ Kxb7 35.Rh4 Bg6 36.Rg1 Bf7 37.Bc4 Kb6 38.Bd5 Rg8 39.Rxg8 Bxg8 40.Nxf8 Rxf8 41.Bxg8 Rxg8
24…Kb8
25.Qh5 Bc6
26.Qe2 Ka7
27.Rhe1 h6?! +1.37/25
27...Rg8 +0.85/21 28.Qf2+ 28. Qe3+ Kb8 29. Qh6 Rh8 30. Qh4 a5 31. b3 a4 32. Bc4 Qa7 33. Qg5 Rc7 34. Qg3 Rg8 35. Qh4 Rh8 36. Nf5 +1.15 Stockfish 28...Kb8 29.Qf1 Ka7 30.h4 Ba4 31.Bc4 Qb6 32.b3 Bb5 33.Bxb5 axb5 34.Nf5 Rg6 35.Ne7 Bxe7 36.fxe7 Qc7 37.Qf2+ Ka6 38.Qd2 Ka5 39.a3
27...Rc7 28.b3 Qb6 29.Qh5 a5 30.Nf5 a4 31.Bc4 axb3 32.axb3 Qc5 33.Kb2 Kb8 34.Qg4 Bd7 35.Rd5 Qb6 36.Ra1 Ra7 37.Rxa7 Qxa7 38.Qh5 +1.07 Stockfish
28.Nf5 Rg8?! +1.68/22
28...Bd7 +1.39/24 29.Bc4 Bxf5 30.exf5 30. Bd5 Qb5 31. Qxb5 axb5 32. exf5 Rg8 33. Re4 Rg5 34. Bxf7 +2.49 Stockfish 30...Rc5 31.Qe3 h5 32.Rd5 Bh6 33.Qf2 Qb6 34.Rxc5 Qxc5 35.Qxc5+ dxc5 36.Bxf7 Bf4 37.Bd5 Rh6 38.f7 Rf6 39.Be6 Kb6 40.Re4 Ka7 41.c3 bxc3 42.bxc3 Kb6 43.Kc2 Kc6 44.a3
28...h5 29.b3 Qb6 30.Bc4 Rc7 31.Nxd6 Bxd6 32.Rxd6 Qc5 33.Red1 a5 34.h4 a4 35.bxa4 Rg8 36.Rd8 Rg6 37.Bd5 Rxf6 38.Rc1 Qd4 39.a5 Rg6 40.Qb5 Rb7 41.Bxc6 Rxc6 42.Qxc6 Qxd8 43.Qc5+ Ka8 44.Rf1 +2.14 Stockfish
28...Rc7 29.Bc4 Qb6 30.Rg1 h5 31.b3 Bd7 32.Rg5 Bxf5 33.Rxf5 h4 34.Rg5 Qc6 35.Rd5 Qb6 36.Rd3 Rb7 37.Rd1 +1.76 Stockfish
29.Rg1?! +0.91/23
29.Bc4 +1.68/22 29...Bb5 29...Rd8 30. Qf2+ Qb6 31. Qxb6+ Kxb6 32. Bxf7 Rg2 33. Ne7 a5 34. Nxc6 Kxc6 35.Rg1 +2.19 Stockfish 30.Bxb5 30. Qe3+ Qb6 31. Qxb6+ Kxb6 32. Bxf7 Rg2 33. Ne3 Rf2 34. Be6 Re8 35. Nd5+ Kc5 36. Nc7 Rxf6 37. Nxe8 Bxe8 38. Bd5 +2.31 Stockfish 30...Qxb5 31.Qxb5 axb5 32.Rg1 Rg5 33.h4
29...Rg6?! +1.32/26
29...Rxg1 +0.91/23 30.Rxg1 Bd7 31.Re1 31. Rd1 Bxf5 32. Qf2+ Rc5 33. Qxf5 d5 34. b3 a5 35. Qh5 Qc7 36. Qg4 +1.14 Stockfish 31...Rc7 32.Qh5 Qc8 33.Ne3 Be6 34.Nd5 Bxd5 35.exd5 Qb7 36.Qf3 Qb6 37.Qg4 h5 38.Qxh5 Qf2 39.Rd1 Qxf6 40.Rf1 Qe7 41.Qe2 Qd7 42.Bxa6 Qxh3 43.Bc4 Kb7 44.Bd3
30.Rxg6 fxg6
31.Nh4 g5?! +1.75/23
31...Be8 +1.38/25 32.Bc4 Rc7 33.Bd5 33. b3 Qb6 34. Qf3 Qc5 35. Ng2 a5 36. Ne3 g5 37. f7 Bc6 38. Nd5 Bxd5 39. Rxd5 +2.20 Stockfish 33...Qb6 34.Ng2 Bd7 35.h4
32.Nf5?! +1.17/21
32.Ng6 +1.75/23 32...a5 33.Qf2+ 33. Bc4 Bxe4 34. Nxf8 Qc6 35. Nd7 Qxc4 36. Qf2+ Kb7 37. Qb6+ Ka8 38. Qxa5+ Kb7 39. Qb6+ Ka8 40. Rc1 +3.81 Stockfish 33...Ka8 34.Nxf8 Rxf8 35.Bc4 Qc7 36.Qf5
32…Bd7
33.Rf1?! +0.79/24
33.Ne7 +1.17/22 33...Bxe7 34.fxe7 Qc7 34...Bc6 35. Qf2+ Kb8 36. Bc4 Qxe7 37. Bxa6 Bb7 38. Bxb7 Kxb7 39. Qd2 d5 40. exd5 +1.84 Stockfish 35.Qf2+ 35. Bxa6 Re8 36. a3 Qb6 37. axb4 Rxe7 38. Bc4 Kb8 39. Qf1 Qxb4 40. Rd3 Qxc4 41. Qf8+ Re8 42. Qxd6+ +2.77 Stockfish 35...Kb7 36.Qf1 Ka7 37.Bxa6 Qxc2+ 38.Ka1 Rc5 39.Bd3
33.b3 Qb6 34.Ne3 Bc6 35.Qf3 a5 36.Bc4 a4 37.Bd5 Bd7 38.Nc4 +1.78 Stockfish
33…Be6
34.h4 Qf7?! +1.39/22
34...gxh4 +0.78/21 35.Qf2+ 35. Nxh4 Bf7 36. Nf5 h5 37. Ne3 Qc6 38. Nd5 a5 39. b3 Qc5 40. Ba6 Rb8 41. Bc4 Bh6 42. Ne7 Bxc4 43. Qxc4 Qxc4 44. bxc4 +1.77 Stockfish 35...Rc5 36.Qxh4 Rc7 37.Ne3 Bf7 38.Nd5 Rc5 39.Qe1 a5 40.c4 bxc3 41.Nxc3 Qb4 42.Qe3 Kb8 43.Rc1 a4 44.Qh3 a3 45.Rc2 Rxc3
35.b3 a5
36.hxg5 hxg5
37.Qe3+ Rc5
38.Qxg5 a4
39.Kb2 axb3? +3.04/24
39...Qc7 +1.16/20 40.Ne3 d5 40...Rc3 41. Nc4 Bxc4 42. bxc4 Qb6 43. Qg1 a3+ 44. Kc1 Qxg1 45. Rxg1 d5 46. cxd5 Rc7 +1.77 Stockfish 41.exd5 41. Kb1 a3 42. Rh1 dxe4 43. Bxe4 Qb6 44. Qh5 Rc7 45. Qe8 Bc8 46. Qd8 Bb7 47. Bxb7 Rxb7 48. Qxb6+ Rxb6 49. Ng4 +2.36 Stockfish 41...Bxd5 42.Kb1 axb3 43.cxb3 Bb7 44.Qg6 Qc6 45.Re1 Qd6 46.Nc4 Qd4 47.f7 Rc7
40.axb3 Kb7?! +3.64/23
40...Qc7 +3.05/25 41.Ra1+ 41. Qd2 Bxf5 42. Qxb4 Qb6 43. Qxb6+ Kxb6 44. Rxf5 Rc8 45. Rh5 d5 46. Rxe5 Rc6 47. Rf5 dxe4 48. Bxe4 +4.49 Stockfish 41...Ra5 42.Rxa5+ Qxa5 43.Kb1 Qc5 44.Ne7 Bf7 45.Ng6 Bxg6 46.Qxg6 d5 47.Qf7+ Kb6 48.exd5 Qd6 49.Ka2 Qd8 50.Be4 Qd6 51.Qe6 Ka5 52.Qf5 Kb6 53.Kb1 Kc7
41.Ne3 Rc3?! +4.44/23
41...Qh7 42.Ra1 Qh6 43.Qg1 Qxf6 44.Qe1 Rc3 45.Nd1 Qd8 46.Nxc3 bxc3+ 47.Qxc3 Qb6 48.Ra4 Qc5 49.Bc4 +8.05 Stockfish
41...Qc7 42.Bc4 Ra5 43.Ra1 Rxa1 44.Kxa1 Bxc4 45.Nxc4 Qf7 46.Kb1 Qe6 47.Ne3 Qh3 48.Qg1 +6.43 Stockfish
42.Nd1? +2.58/24
42.Bc4 Bxc4 43.Nxc4 Qh7 44.Qg2 Qh3 45.Qf2 Rxc4 46.bxc4 Qc3+ 47.Kb1 Qh3 48.Rd1 Qh5 49.Qd2 Qf7 50.Qxb4+ Kc8 51.Qa4 Qxf6 52.Qc6+ Kd8 53.c5 +12.51 Stockfish
42.Nc4 Bxc4 43.Bxc4 Rxc4 44.bxc4 Qxc4 45.Rd1 Qc3+ 46.Kb1 b3 47.Qd2 Qf3 48.Qd3 Qxf6 49.cxb3 +8.40 Stockfish
42...Rc5?! +3.86/26
42...Rc7 +2.58/24 43.Ne3 Qd7 44.Bc4 44. Nd5 Bxd5 45. exd5 e4 46. Bxe4 Qe8 47. Qf5 Kb6 48. Qe6 Qa8 49. Ra1 Ra7 50. Rxa7 Qxa7 51. Kb1 +5.85 Stockfish 44...Bxc4 45.bxc4 Qc6 46.Nd5 Qxc4 47.Nxc7 Qxf1 48.Nd5 Qf3 49.Qg1 Qa3+ 50.Kb1 Qa5 51.Qg4 b3 52.Qd7+ Kb8 53.cxb3 Qe1+ 54.Kb2 Qd2+ 55.Ka3 Qc1+ 56.Ka4 Qa1+ 57.Kb5 Qf1+ 58.Ka5
42...Rc8 43.Qd2 Qc7 44.Qxb4+ Qb6 45.Qxb6+ Kxb6 46.Ne3 Bh6 47.Bc4 Bxe3 48.Bxe6 Rf8 49.Rf3 Bh6 50.f7 +4.35 Stockfish
43.Qd2 Kc6?! +6.13/25
43...Ka8 +3.89/24 44.Qxb4 Qb7 45.Qxb7+ 45. Qa4+ Kb8 46. Nc3 Bd7 47. Qa3 Qa8 48. Ba6 d5 49. exd5 Bb5 50. Ra1 Qxa6 51. Qxa6 Bxa6 52. Rxa6 +8.09 Stockfish 45...Kxb7 46.Ne3 Rc7 47.Bc4 Bxc4 48.Nxc4 Rh7 49.f7 Rh4 50.Nd2 Rh2 51.Kc1 Kc6 52.b4 Kb5 53.c3 Re2 54.Rf6 Rg2 55.Kc2 Rh2 56.Kd3 Rh3+ 57.Rf3
43...Kb8 44.Ne3 Qb7 45.Rh1 Rc8 46.Nd5 Bxd5 47.exd5 Qb6 48.Bf5 Rc7 49.Rh8 Rf7 50.Rh4 Rb7 51.Qg5 +6.07 Stockfish
44.Qxb4 d5?! +9.30/22
44...Qb7 +6.13/25 45.Qa4+ Kc7 46.Rh1 46. Nc3 Rxc3 47. Qa5+ Qb6 48. Qxc3+ Qc5 49. Bc4 d5 50. Bxd5 +10.30 Stockfish 46...Bd7 47.Rh7 Kd8 48.Nc3 Bxa4 49.Rxb7 Bd7 50.Ba6 Rc8 51.Rxd7+ Kxd7 52.Bxc8+ Kxc8 53.Nd5 Kd8 54.c3 Ke8 55.b4 Bh6 56.b5 Kd8 57.f7 Bf8 58.b6 Kc8 59.c4 Bg7
45.Qa4+ Kd6
46.exd5 Bxd5
47.Ne3 e4
48.Nf5+? +4.73/26
48.Bc4 +9.91/20 48...Qd7 49.Qxd7+
48.Bxe4 Bxe4 49.Qxe4 Kc7 50.Qa8 Qe6 51.Ra1 Qxf6+ 52.Kb1 Qe7 53.Ra7+ Kd6 54.Rxe7 Bxe7 55.Qe4 +56.50 Stockfish
48…Kc7
49.Bxe4? +2.68/23
49.Qa7+ +4.62/23 49...Kd8 50.Qxf7 50. Ne7 Bxe7 51. Qb8+ Rc8 52. Qb6+ Rc7 53. fxe7+ Qxe7 54. Rf5 Bb7 55. Bf1 e3 56. Rh5 Qg7+ 57. Kb1 Kc8 58. Qxe3 +7.28 Stockfish 50...Bxf7 51.Bxe4 Re5 52.Bd3 Kd7 53.Nd4 Bc5 54.c3 Ke8 55.Ra1 Rh5 56.b4 Rh2+ 57.Nc2 Bb6 58.Ra8+ Kd7 59.Bf5+ Kd6
49.Bb5 Qe6 50.Nd4 Qb6 51.c3 Bb7 52.f7 Kb8 53.Be2 Bc6 54.Rf6 Bxa4 55.Rxb6+ Kc7 56.Rg6 Bd7 57.Rg8 Bd6 58.b4 Rd5 59.f8=Q Bxf8 60.Rxf8 +7.31 Stockfish
49...Qxf6+
50.Kb1 When it’s ten pieces with two pawns, the player with two pawns for king safety has the advantage.
50...Bxe4
51.Qxe4 Ra5
52.Qc4+ Bc5
53.c3 Qb6? +8.65/21
53...Qa6 +3.13/26 54.Qxa6 Rxa6 55.b4 Ba7 56.Kb2 Rg6 57.Kb3 Bg1 58.Ka4 Rg4 59.Kb5 +4.68 Stockfish
54.Nd4 Qg6+
55.Nf5? +2.92/24
55.Nc2 +8.19/23 55...Qc6 56.b4 Bxb4 57.Rf7+ Kb6 58.Qd4+ Bc5 59.Qd8+ Kb5 60.Qb8+ Qb6 61.Rb7 Ra6 62.Rxb6+ 62. Kc1 Kc6 63. Qc8+ Kd6 64. Qd7+ Ke5 65. Rxb6 Rxb6 66. c4 Kf6 67. Qd5 Bg1 68. Qh1 Bc5 69. Qh6+ Kf7 70. Qh5+ Rg6 71. Qxc5 Kf6 72. Qd4+ Kf7 73. c5 Ke7 74. Qd5 Kf6 75. c6 Rg1+ 76. Kb2 Rg7 77. Qd6+ Kg5 78. c7 Rxc7 79. Qxc7 Kf6 80. Qf4+ Ke6 81. Qe4+ Kd6 82. Qe8 Kc7 83. Qe7+ Kb6 84. Kc3 Kb5 85. Nb4 Ka4 86. Qb7 Ka3 87. Qa6# 62...Rxb6 63.Qc8 Rd6 64.Qc7 Rb6 65.Nd4+ Bxd4 66.cxd4
55...Qg2? +8.45/22
55...Kb6 +2.92/24 56.Qf4 Qe6 57.Nd4 Qd6 58.Qxd6+ Bxd6 59.b4 Rd5 60.Rf6 Kc7 61.Kc2
55...Qa6 56.Qxa6 Rxa6 57.b4 Ba7 +4.88 Stockfish
56.b4 Qb7?? #21/21
56...Ra2 +8.45/25 57.Qxc5+ Kb8 58.Qe5+ 58. Qb6+ Ka8 59. Qd8+ Ka7 60. Qd4+ Ka8 61. Qh8+ Ka7 62. Qg7+ Qxg7 63. Nxg7 +43.54 Stockfish 58...Ka8 59.Qh8+ Ka7 60.Qg7+ Qxg7 61.Nxg7 Rh2 62.Nf5 Rh3 63.Nd4 Rh4 64.Rd1 Rh5 65.c4
57.Qf7+ 1-0


[Event "2018 Libei Team Tournament"]
[Site "China"]
[Date "2018.08.08"]
[Round "?"]
[White "Yixin Li"]
[Black "Cuihao"]
[Result "1-0"]
[ECO "B82"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.f4 e6 7.Qf3 Qc7 8.Be3 Nc6 9.O-O-O Bd7
10.Kb1 Rc8 11.h3 b5 12.Bd3 Nxd4 13.Bxd4 Qb7 14.g4 b4 15.Ne2 Bb5 16.Bxf6 gxf6
17.f5 Be7 18.Nf4 Bd7 19.Nh5 e5 20.g5 $6 { +1.13/24 } ( 20.Qe2 { +1.51/21 }
20...Bb5 21.Qe3
{ 21. Bxb5+ Qxb5 22. Rd3 h6 23. Qd2 Qb6 24. Rd1 a5 25. Ng3 Qc6 26. Qg2 Qb7
27. Nf1 Rc3 28. Ne3 Rxd3 29. Rxd3 +1.43 Stockfish } 21...h6 22.Bxb5+ Qxb5
23.Rd3 Qc4 24.Rc1 a5 25.c3 b3 26.a3 Qc5 27.Qe1 Qc4 ) ( 20.Qg3 Bc6 21.Rhe1 Rc7
22.Qh4 Kd8 23.Nxf6 h6 24.g5 Bxf6 25.gxf6 Kc8 26.Bc4 Qa7 27.Qg3 Rd8 28.Qe3 Kb8
29.Qxh6 { +1.74 Stockfish } ) 20...fxg5 21.f6 Bf8 22.Ng7+ Kd8 23.Qh5 Kc7
24.Qxg5 $6 { +0.80/25 } ( 24.Qxf7 { +1.38/22 } 24...Kb6
{ 24...h6 25. Nf5 Kb6 26. Ne3 Ka7 27. Qh5 a5 28. b3 Kb8 29. Nd5 Rh7 30. h4
gxh4 +2.15 Stockfish } 25.Qb3
{ 25. Qh5 h6 26. h4 gxh4 27. Rxh4 Rg8 28. Qf7 Bxg7 29. fxg7 Qc7 30. Rxh6
Bc6 31. Qc4 Bb7 32. Qxb4+ Ka7 33. Qxd6 Rxg7 +2.43 Stockfish } 25...Ka7
26.Ne6 h6 27.h4 g4 28.h5 Bc6 29.Rde1 Kb8 30.Rhg1 a5 31.Rxg4 a4 32.Qc4 Be8
33.Qd5 Bxh5 34.Qxb7+ Kxb7 35.Rh4 Bg6 36.Rg1 Bf7 37.Bc4 Kb6 38.Bd5 Rg8 39.Rxg8
Bxg8 40.Nxf8 Rxf8 41.Bxg8 Rxg8 ) 24...Kb8 25.Qh5 Bc6 26.Qe2 Ka7 27.Rhe1 h6 $6
{ +1.37/25 } ( 27...Rg8 { +0.85/21 } 28.Qf2+
{ 28. Qe3+ Kb8 29. Qh6 Rh8 30. Qh4 a5 31. b3 a4 32. Bc4 Qa7 33. Qg5 Rc7 34.
Qg3 Rg8 35. Qh4 Rh8 36. Nf5 +1.15 Stockfish } 28...Kb8 29.Qf1 Ka7 30.h4
Ba4 31.Bc4 Qb6 32.b3 Bb5 33.Bxb5 axb5 34.Nf5 Rg6 35.Ne7 Bxe7 36.fxe7 Qc7
37.Qf2+ Ka6 38.Qd2 Ka5 39.a3 ) ( 27...Rc7 28.b3 Qb6 29.Qh5 a5 30.Nf5 a4
31.Bc4 axb3 32.axb3 Qc5 33.Kb2 Kb8 34.Qg4 Bd7 35.Rd5 Qb6 36.Ra1 Ra7 37.Rxa7
Qxa7 38.Qh5 { +1.07 Stockfish } ) 28.Nf5 Rg8 $6 { +1.68/22 } ( 28...Bd7
{ +1.39/24 } 29.Bc4 Bxf5 30.exf5
{ 30. Bd5 Qb5 31. Qxb5 axb5 32. exf5 Rg8 33. Re4 Rg5 34. Bxf7 +2.49
Stockfish } 30...Rc5 31.Qe3 h5 32.Rd5 Bh6 33.Qf2 Qb6 34.Rxc5 Qxc5 35.Qxc5+
dxc5 36.Bxf7 Bf4 37.Bd5 Rh6 38.f7 Rf6 39.Be6 Kb6 40.Re4 Ka7 41.c3 bxc3
42.bxc3 Kb6 43.Kc2 Kc6 44.a3 ) ( 28...h5 29.b3 Qb6 30.Bc4 Rc7 31.Nxd6 Bxd6
32.Rxd6 Qc5 33.Red1 a5 34.h4 a4 35.bxa4 Rg8 36.Rd8 Rg6 37.Bd5 Rxf6 38.Rc1 Qd4
39.a5 Rg6 40.Qb5 Rb7 41.Bxc6 Rxc6 42.Qxc6 Qxd8 43.Qc5+ Ka8 44.Rf1
{ +2.14 Stockfish } ) ( 28...Rc7 29.Bc4 Qb6 30.Rg1 h5 31.b3 Bd7 32.Rg5 Bxf5
33.Rxf5 h4 34.Rg5 Qc6 35.Rd5 Qb6 36.Rd3 Rb7 37.Rd1 { +1.76 Stockfish } )
29.Rg1 $6 { +0.91/23 } ( 29.Bc4 { +1.68/22 } 29...Bb5
{ 29...Rd8 30. Qf2+ Qb6 31. Qxb6+ Kxb6 32. Bxf7 Rg2 33. Ne7 a5 34. Nxc6
Kxc6 35.Rg1 +2.19 Stockfish } 30.Bxb5
{ 30. Qe3+ Qb6 31. Qxb6+ Kxb6 32. Bxf7 Rg2 33. Ne3 Rf2 34. Be6 Re8 35. Nd5+
Kc5 36. Nc7 Rxf6 37. Nxe8 Bxe8 38. Bd5 +2.31 Stockfish } 30...Qxb5 31.Qxb5
axb5 32.Rg1 Rg5 33.h4 ) 29...Rg6 $6 { +1.32/26 } ( 29...Rxg1 { +0.91/23 }
30.Rxg1 Bd7 31.Re1
{ 31. Rd1 Bxf5 32. Qf2+ Rc5 33. Qxf5 d5 34. b3 a5 35. Qh5 Qc7 36. Qg4
+1.14 Stockfish } 31...Rc7 32.Qh5 Qc8 33.Ne3 Be6 34.Nd5 Bxd5 35.exd5 Qb7
36.Qf3 Qb6 37.Qg4 h5 38.Qxh5 Qf2 39.Rd1 Qxf6 40.Rf1 Qe7 41.Qe2 Qd7 42.Bxa6
Qxh3 43.Bc4 Kb7 44.Bd3 ) 30.Rxg6 fxg6 31.Nh4 g5 $6 { +1.75/23 } ( 31...Be8
{ +1.38/25 } 32.Bc4 Rc7 33.Bd5
{ 33. b3 Qb6 34. Qf3 Qc5 35. Ng2 a5 36. Ne3 g5 37. f7 Bc6 38. Nd5 Bxd5 39.
Rxd5 +2.20 Stockfish } 33...Qb6 34.Ng2 Bd7 35.h4 ) 32.Nf5 $6 { +1.17/21 }
( 32.Ng6 { +1.75/23 } 32...a5 33.Qf2+
{ 33. Bc4 Bxe4 34. Nxf8 Qc6 35. Nd7 Qxc4 36. Qf2+ Kb7 37. Qb6+ Ka8 38.
Qxa5+ Kb7 39. Qb6+ Ka8 40. Rc1 +3.81 Stockfish } 33...Ka8 34.Nxf8 Rxf8
35.Bc4 Qc7 36.Qf5 ) 32...Bd7 33.Rf1 $6 { +0.79/24 } ( 33.Ne7 { +1.17/22 }
33...Bxe7 34.fxe7 Qc7
{ 34...Bc6 35. Qf2+ Kb8 36. Bc4 Qxe7 37. Bxa6 Bb7 38. Bxb7 Kxb7 39. Qd2 d5
40. exd5 +1.84 Stockfish } 35.Qf2+
{ 35. Bxa6 Re8 36. a3 Qb6 37. axb4 Rxe7 38. Bc4 Kb8 39. Qf1 Qxb4 40. Rd3
Qxc4 41. Qf8+ Re8 42. Qxd6+ +2.77 Stockfish } 35...Kb7 36.Qf1 Ka7 37.Bxa6
Qxc2+ 38.Ka1 Rc5 39.Bd3 ) ( 33.b3 Qb6 34.Ne3 Bc6 35.Qf3 a5 36.Bc4 a4 37.Bd5
Bd7 38.Nc4 { +1.78 Stockfish } ) 33...Be6 34.h4 Qf7 $6 { +1.39/22 } (
34...gxh4 { +0.78/21 } 35.Qf2+
{ 35. Nxh4 Bf7 36. Nf5 h5 37. Ne3 Qc6 38. Nd5 a5 39. b3 Qc5 40. Ba6 Rb8 41.
Bc4 Bh6 42. Ne7 Bxc4 43. Qxc4 Qxc4 44. bxc4 +1.77 Stockfish } 35...Rc5
36.Qxh4 Rc7 37.Ne3 Bf7 38.Nd5 Rc5 39.Qe1 a5 40.c4 bxc3 41.Nxc3 Qb4 42.Qe3 Kb8
43.Rc1 a4 44.Qh3 a3 45.Rc2 Rxc3 ) 35.b3 a5 36.hxg5 hxg5 37.Qe3+ Rc5 38.Qxg5
a4 39.Kb2 axb3 $2 { +3.04/24 } ( 39...Qc7 { +1.16/20 } 40.Ne3 d5
{ 40...Rc3 41. Nc4 Bxc4 42. bxc4 Qb6 43. Qg1 a3+ 44. Kc1 Qxg1 45. Rxg1 d5
46. cxd5 Rc7 +1.77 Stockfish } 41.exd5
{ 41. Kb1 a3 42. Rh1 dxe4 43. Bxe4 Qb6 44. Qh5 Rc7 45. Qe8 Bc8 46. Qd8 Bb7
47. Bxb7 Rxb7 48. Qxb6+ Rxb6 49. Ng4 +2.36 Stockfish } 41...Bxd5 42.Kb1
axb3 43.cxb3 Bb7 44.Qg6 Qc6 45.Re1 Qd6 46.Nc4 Qd4 47.f7 Rc7 ) 40.axb3 Kb7 $6
{ +3.64/23 } ( 40...Qc7 { +3.05/25 } 41.Ra1+
{ 41. Qd2 Bxf5 42. Qxb4 Qb6 43. Qxb6+ Kxb6 44. Rxf5 Rc8 45. Rh5 d5 46. Rxe5
Rc6 47. Rf5 dxe4 48. Bxe4 +4.49 Stockfish } 41...Ra5 42.Rxa5+ Qxa5 43.Kb1
Qc5 44.Ne7 Bf7 45.Ng6 Bxg6 46.Qxg6 d5 47.Qf7+ Kb6 48.exd5 Qd6 49.Ka2 Qd8
50.Be4 Qd6 51.Qe6 Ka5 52.Qf5 Kb6 53.Kb1 Kc7 ) 41.Ne3 Rc3 $6 { +4.44/23 } (
41...Qh7 42.Ra1 Qh6 43.Qg1 Qxf6 44.Qe1 Rc3 45.Nd1 Qd8 46.Nxc3 bxc3+ 47.Qxc3
Qb6 48.Ra4 Qc5 49.Bc4 { +8.05 Stockfish } ) ( 41...Qc7 42.Bc4 Ra5 43.Ra1
Rxa1 44.Kxa1 Bxc4 45.Nxc4 Qf7 46.Kb1 Qe6 47.Ne3 Qh3 48.Qg1
{ +6.43 Stockfish } ) 42.Nd1 $2 { +2.58/24 } ( 42.Bc4 Bxc4 43.Nxc4 Qh7
44.Qg2 Qh3 45.Qf2 Rxc4 46.bxc4 Qc3+ 47.Kb1 Qh3 48.Rd1 Qh5 49.Qd2 Qf7 50.Qxb4+
Kc8 51.Qa4 Qxf6 52.Qc6+ Kd8 53.c5 { +12.51 Stockfish } ) ( 42.Nc4 Bxc4
43.Bxc4 Rxc4 44.bxc4 Qxc4 45.Rd1 Qc3+ 46.Kb1 b3 47.Qd2 Qf3 48.Qd3 Qxf6
49.cxb3 { +8.40 Stockfish } ) 42...Rc5 $6 { +3.86/26 } ( 42...Rc7
{ +2.58/24 } 43.Ne3 Qd7 44.Bc4
{ 44. Nd5 Bxd5 45. exd5 e4 46. Bxe4 Qe8 47. Qf5 Kb6 48. Qe6 Qa8 49. Ra1 Ra7
50. Rxa7 Qxa7 51. Kb1 +5.85 Stockfish } 44...Bxc4 45.bxc4 Qc6 46.Nd5 Qxc4
47.Nxc7 Qxf1 48.Nd5 Qf3 49.Qg1 Qa3+ 50.Kb1 $6{When it’s ten pieces with two
pawns, the player with two pawns for king safety has the advantage} Qa5 51.Qg4 b3 52.Qd7+ Kb8 53.cxb3
Qe1+ 54.Kb2 Qd2+ 55.Ka3 Qc1+ 56.Ka4 Qa1+ 57.Kb5 Qf1+ 58.Ka5 ) ( 42...Rc8
43.Qd2 Qc7 44.Qxb4+ Qb6 45.Qxb6+ Kxb6 46.Ne3 Bh6 47.Bc4 Bxe3 48.Bxe6 Rf8
49.Rf3 Bh6 50.f7 { +4.35 Stockfish } ) 43.Qd2 Kc6 $6 { +6.13/25 } (
43...Ka8 { +3.89/24 } 44.Qxb4 Qb7 45.Qxb7+
{ 45. Qa4+ Kb8 46. Nc3 Bd7 47. Qa3 Qa8 48. Ba6 d5 49. exd5 Bb5 50. Ra1 Qxa6
51. Qxa6 Bxa6 52. Rxa6 +8.09 Stockfish } 45...Kxb7 46.Ne3 Rc7 47.Bc4 Bxc4
48.Nxc4 Rh7 49.f7 Rh4 50.Nd2 Rh2 51.Kc1 Kc6 52.b4 Kb5 53.c3 Re2 54.Rf6 Rg2
55.Kc2 Rh2 56.Kd3 Rh3+ 57.Rf3 ) ( 43...Kb8 44.Ne3 Qb7 45.Rh1 Rc8 46.Nd5 Bxd5
47.exd5 Qb6 48.Bf5 Rc7 49.Rh8 Rf7 50.Rh4 Rb7 51.Qg5 { +6.07 Stockfish } )
44.Qxb4 d5 $6 { +9.30/22 } ( 44...Qb7 { +6.13/25 } 45.Qa4+ Kc7 46.Rh1
{ 46. Nc3 Rxc3 47. Qa5+ Qb6 48. Qxc3+ Qc5 49. Bc4 d5 50. Bxd5 +10.30
Stockfish } 46...Bd7 47.Rh7 Kd8 48.Nc3 Bxa4 49.Rxb7 Bd7 50.Ba6 Rc8 51.Rxd7+
Kxd7 52.Bxc8+ Kxc8 53.Nd5 Kd8 54.c3 Ke8 55.b4 Bh6 56.b5 Kd8 57.f7 Bf8 58.b6
Kc8 59.c4 Bg7 ) 45.Qa4+ Kd6 46.exd5 Bxd5 47.Ne3 e4 48.Nf5+ $2 { +4.73/26 } (
48.Bc4 { +9.91/20 } 48...Qd7 49.Qxd7+ ) ( 48.Bxe4 Bxe4 49.Qxe4 Kc7 50.Qa8 Qe6
51.Ra1 Qxf6+ 52.Kb1 Qe7 53.Ra7+ Kd6 54.Rxe7 Bxe7 55.Qe4 { +56.50 Stockfish }
) 48...Kc7 49.Bxe4 $2 { +2.68/23 } ( 49.Qa7+ { +4.62/23 } 49...Kd8 50.Qxf7
{ 50. Ne7 Bxe7 51. Qb8+ Rc8 52. Qb6+ Rc7 53. fxe7+ Qxe7 54. Rf5 Bb7 55. Bf1
e3 56. Rh5 Qg7+ 57. Kb1 Kc8 58. Qxe3 +7.28 Stockfish } 50...Bxf7 51.Bxe4
Re5 52.Bd3 Kd7 53.Nd4 Bc5 54.c3 Ke8 55.Ra1 Rh5 56.b4 Rh2+ 57.Nc2 Bb6 58.Ra8+
Kd7 59.Bf5+ Kd6 ) ( 49.Bb5 Qe6 50.Nd4 Qb6 51.c3 Bb7 52.f7 Kb8 53.Be2 Bc6
54.Rf6 Bxa4 55.Rxb6+ Kc7 56.Rg6 Bd7 57.Rg8 Bd6 58.b4 Rd5 59.f8=Q Bxf8 60.Rxf8
{ +7.31 Stockfish } ) 49...Qxf6+ 50.Kb1 Bxe4 51.Qxe4 Ra5 52.Qc4+ Bc5 53.c3 Qb6 $2
{ +8.65/21 } ( 53...Qa6 { +3.13/26 } 54.Qxa6 Rxa6 55.b4 Ba7 56.Kb2 Rg6 57.Kb3
Bg1 58.Ka4 Rg4 59.Kb5 { +4.68 Stockfish } ) 54.Nd4 Qg6+ 55.Nf5 $2
{ +2.92/24 } ( 55.Nc2 { +8.19/23 } 55...Qc6 56.b4 Bxb4 57.Rf7+ Kb6 58.Qd4+
Bc5 59.Qd8+ Kb5 60.Qb8+ Qb6 61.Rb7 Ra6 62.Rxb6+
{ 62. Kc1 Kc6 63. Qc8+ Kd6 64. Qd7+ Ke5 65. Rxb6 Rxb6 66. c4 Kf6 67. Qd5
Bg1 68. Qh1 Bc5 69. Qh6+ Kf7 70. Qh5+ Rg6 71. Qxc5 Kf6 72. Qd4+ Kf7 73. c5
Ke7 74. Qd5 Kf6 75. c6 Rg1+ 76. Kb2 Rg7 77. Qd6+ Kg5 78. c7 Rxc7 79. Qxc7 Kf6
80. Qf4+ Ke6 81. Qe4+ Kd6 82. Qe8 Kc7 83. Qe7+ Kb6 84. Kc3 Kb5 85. Nb4
Ka4 86. Qb7 Ka3 87. Qa6# } 62...Rxb6 63.Qc8 Rd6 64.Qc7 Rb6 65.Nd4+ Bxd4
66.cxd4 ) 55...Qg2 $2 { +8.45/22 } ( 55...Kb6 { +2.92/24 } 56.Qf4 Qe6 57.Nd4
Qd6 58.Qxd6+ Bxd6 59.b4 Rd5 60.Rf6 Kc7 61.Kc2 ) ( 55...Qa6 56.Qxa6 Rxa6 57.b4
Ba7 { +4.88 Stockfish } ) 56.b4 Qb7 $4 { #21/21 } ( 56...Ra2 { +8.45/25 }
57.Qxc5+ Kb8 58.Qe5+
{ 58. Qb6+ Ka8 59. Qd8+ Ka7 60. Qd4+ Ka8 61. Qh8+ Ka7 62. Qg7+ Qxg7 63.
Nxg7 +43.54 Stockfish } 58...Ka8 59.Qh8+ Ka7 60.Qg7+ Qxg7 61.Nxg7 Rh2
62.Nf5 Rh3 63.Nd4 Rh4 64.Rd1 Rh5 65.c4 ) 57.Qf7+ 1-0

Alan Lasser
blacklightmazes@icloud.com

 

 

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