Saturday, October 14, 2017

Alan Lasser's Game Of The Week

  When you are watching chess tournaments on the internet, note the grandmaster’s choice of openings, they tend to play the better ones.  By inference, there is usually a reason why some openings aren’t seen, so I paid attention when a Benko Gambit appeared at the Isle of Man Open.  I guess the lesson here is that the Benko is still okay to play, as long as you outrate your opponent by a couple hundred points. 
 
GM Dronavalli Harika-GM Vladimir Kramnik
9/29/17
Isle of Man Open
2.c4 c5 
3.d5 b5 
53.Kxb5 d3 0-1
 
 
[Event "Isle of Man Open"]
[Site "?"]
[Date "2017.09.29"]
[Round "7"]
[White "GM Dronavalli Harika"]
[Black "GM Vladimir Kramnik"]
[Result "0-1"]
[BlackElo "2803"]
[ECO "A58"]
[WhiteElo "2528"]
 
1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6 g6 $6 { +1.00/20 } ( 5...e6
{ +0.48/19 } 6.a7 Rxa7 7.e4 Nxe4 8.dxe6 dxe6 9.Qxd8+ Kxd8 10.Nf3 Na6 11.Na3
Nb4 12.Ne5 f6 ) 6.Nc3 Bg7 7.g3 $6 { +0.41/20 } ( 7.e4 { +1.24/19 } 7...O-O
8.Be2 d6 9.Nf3 Nxa6 10.O-O Qb6 11.e5 Ne8 ) 7...d6 8.Bg2 O-O 9.Nf3 Nbd7 10.O-O
Nb6 11.e4 Bxa6 12.Re1 Nc4 13.Bf1 Nd7 14.Nd2 Nde5 15.Nxc4 Nxc4 16.Bd3 Qb6
17.Rb1 Rfb8 18.Na4 $6 { -0.38/23 } ( 18.b3 { -0.11/21 } 18...Ne5 19.Bxa6 Qxa6
20.Bb2
{ 20. Bd2 Nd3 21. Re2 c4 22. Na4 Qb7 23. Nc3 Qc8 24. Na4 h5 25. Bc3 Bxc3
26. Nxc3 Ra3 -0.25 Stockfish } 20...Qd3 21.Kg2 c4
{ 21...Qxd1 22. Rexd1 Nd7 23. Rdc1 Bxc3 24. Bxc3 Rxa2 25. Ra1 Rxa1 26. Rxa1
  -0.37   Stockfish } 22.Na4 cxb3 ) 18...Qb4 19.Kg2 Ne5 20.Bd2 Qd4 21.Bc2 $6
{ -1.01/23 } ( 21.Bxa6 { -0.64/23 } 21...Rxa6 22.Nc3 Nc4 23.Re2
{ 23. Qe2 Nxd2 24. Qxa6 Nxb1 25. Rxb1 Qb4 26. a3 Qb3    -0.47   Stockfish }
23...Rxb2 24.Rxb2 Nxb2 25.Qb3 Qb4 26.Qc2 Nc4 27.Be1 Na3 28.Qb2 Qxb2 29.Rxb2
Ra8 30.f4 Bd4 31.Re2 e5 32.fxe5 Bxe5 33.g4 Rb8 34.h3 ) 21...Nd3 22.Re3 Bh6
23.Rf3 Bxd2 24.Qxd2 Ne5 25.Qxd4
cxd4 26.Rb3 Bb5 ( 26...Rxb3 27.Bxb3 Bd3 28.Rc1 Bxe4+ 29.Kf1 Kg7 30.Rc7 Bd3+
31.Kg2 Rb8 32.f4 Ng4 33.Rxe7 Bf5 { -1.56   Stockfish } ) 27.a3 Be2 28.Rxb8+ Rxb8 29.b4 ( 
29.Re1 Bf3+ 30.Kf1 d3 31.Bd1 d2 32.Re2 Nc4 33.b3 Bxe2+ 34.Kxe2 Nxa3 35.Kxd2
{ -1.41   Stockfish } ) 29...Bf3+ 30.Kf1 Rc8 31.Bd1 $6 { -2.14/28 } ( 31.Bb3
{ -1.77/26 } 31...Bxe4 32.Ra1 Nf3
{ 32...Bd3+ 33. Ke1 Bb5 34. Nb2 Nf3+ 35. Kd1 Rc3 36. Bc2 d3 37. Bb1 Rb3 38.
a4 Rxb2 39. axb5 Ne5   -1.93   Stockfish } 33.Ke2 Nxh2 34.f4 Bf5 35.Rh1 Ng4
36.Rd1 d3+ 37.Kf3 h5 38.b5 Kg7 39.b6 Rb8 40.Rd2 Nf6 41.Ke3 Nd7 42.Bc4 Nxb6
43.Nxb6 Rxb6 44.Kd4 Kf6 45.Bxd3 ) 31...Bxe4 32.Ra1 Nc4 33.Ke1 Bxd5 34.Be2 Be4
35.f3 $6 { -2.90/24 } ( 35.Ra2 { -2.21/23 } 35...e5 36.Bxc4 Rxc4 37.Kd2 Kg7
38.Nb6 Rc6 39.Na4 Bf5 40.b5 Rc8 41.Rb2 Rb8 42.Rb4 Bd7 43.Nb2 Rxb5 44.Nc4 f5
45.Nxd6 Rd5 46.Nc4 Bb5 47.Nb6 Rc5 48.a4 ) ( 35.Bd1 e5 36.Bb3 Bf5 37.Ra2 e4
38.Rc2 Nxa3 39.Rxc8+ Bxc8 40.Bd5 Nc2+ 41.Kd2 Nxb4 42.Bxe4 Kg7
{ -1.88    Stockfish } ) 35...Ne3 36.fxe4 $6 { -4.15/27 } ( 36.Kf2
{ -2.91/23 } 36...Bd5 37.Bd1 Nxd1+ 38.Rxd1 Rc2+ 39.Ke1 Rxh2 40.Rxd4 Bxf3
41.Nb6 Re2+ 42.Kf1 Rb2 43.a4 h5 44.b5 Kf8 45.Ke1 Re2+ 46.Kf1 Ra2 47.Rb4 f6
48.Rf4 Bg2+ 49.Kg1 Bh3 50.Rf3 Ke8 51.Rc3 ) ( 36.Ra2 Bf5 37.g4 Be6 38.Rd2 Ra8
39.Nb6 Rxa3 40.Kf2 Rb3 41.Rxd4 Nc2 42.Rd2 Nxb4 { -2.59   Stockfish } )
36...Nc2+ 37.Kd2 Nxa1 38.Bd1 f5 39.exf5 gxf5 40.Nb6 Rb8 41.Nc4 Kf7 42.g4 Kf6
43.gxf5 Kxf5 44.Bf3 Kf4 45.Bd5 $6 { -6.64/24 } ( 45.Bc6 { -4.51/24 } 45...e5
{ 45... Rc8 46. b5 Nb3+ 47. Ke2 Rc7 48. Nb2 Na5 49. Nd3+ Kf5 50. Ba8 Rc8
51. Bh1 Rc2+ 52. Kd1 Rxh2   -7.57  Stockfish } 46.Kd3 Rc8 47.b5 Nb3 48.Nxd6
Rg8 49.Ne4 Rg2 50.h4 Rb2 51.h5 Na5 52.Nc5 Ra2 53.a4 Ra3+ ) 45...e5 46.Kd3 Rc8
47.a4 $2 { -12.58/24 } ( 47.Be6 { -6.87/24 } 47...Rc7 48.a4 e4+ 49.Kxd4 Nc2+
50.Kd5 Nxb4+ 51.Kxd6 Rc6+ 52.Ke7
{ 52. Kd7 Ra6 53. Bh3 Rxa4 54. Kd6 e3 55. Nxe3 Kxe3   -11.12   Stockfish }
52...Ra6 53.Bf7 Rxa4 54.Kf8 Nc2 55.Kg8 Ra7 56.Nb6 e3 ) 47...e4+ 48.Bxe4 Rxc4
49.Kxc4 Kxe4 50.a5 Nc2 51.b5 Na3+ 52.Kb4 Nxb5 53.Kxb5 d3 0-1

 

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