Thursday, July 9, 2015

chanakam2000 (1829) - nbbsa (1818) [B42] Team match http://gameknot.com/chess.pl?b, 09.07.2015

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Qc7 6.0-0 last book move

6...h6
Controls g5

7.c4 Nf6 8.Nc3 b6 9.h3
Secures g4

9...Bb7 10.Be3 d6 11.Qb3
Black has a cramped position [11.f4!?+/= ]

11...Nbd7=
Black should quickly conclude development.

12.Rac1
White has a very active position

12...Nc5
Can e4 get defended?. Black threatens to win material: Nc5xb3


13.Qc2 g5 14.f3
Consolidates g4

14...Nh5
[14...Bg7 15.Qd2+/= ]

15.b4+/= Nxd3 16.Qxd3
Black has the pair of bishops

16...Ng3
[16...Bg7 17.Nde2+/- ]

17.Rfd1+/- Rd8
[17...Bg7!?+/- ]

18.Bf2+- Nh5 19.Nde2 Bg7
[19...Be7+- ]

20.Na4 Qe7 21.Nxb6
[21.Bxb6 seems even better 21...Rc8+- ]

21...Be5?
[>=21...0-0+- ]

22.c5 dxc5 23.Qxd8+ 
[23.Qb3!? might be the shorter path 23...Rxd1+ 24.Rxd1 Qc7 25.Bxc5 Nf6+-]



                                                                        23.Qb3!?

23...Qxd8 24.Rxd8+ Kxd8 25.Bxc5
[25.Rd1+ Ke8 26.bxc5 Rg8+- ]

25...Nf6
[25...Nf4 26.Kf1 Nxe2 27.Kxe2+- ]

26.Nd4
[26.Nc4 Bb8+- ]

26...Nd7
[26...Bf4 27.Rd1 Kc7+- ]

27.Nxd7
[>=27.Rd1 keeps an even firmer grip 27...Nxc5 28.Nxe6+ Ke7 29.Nxc5+- ]

27...Kxd7+/- 28.Nb3 Rc8 29.Na5 Ba8 30.Nc4 Bc7 31.a3 Bc6 32.Rd1+ Ke8 33.Kf2 Bb5 34.Ne3
[34.Nd6+!? Bxd6 35.Rxd6+/- ]

34...h5+/= 35.Nc2 Ba4 36.Rd2 Bf4 37.Ne3 h4
Black gets more space

38.Rd3 Bb5
Black threatens to win material: Bb5xd3

39.Rd4 a5
[>=39...Be5 40.Rd2 Bg3+ 41.Kg1 Bf4= ]

40.Nc2??
White is ruining his position [>=40.Nc4 would be a reprieve 40...axb4 41.axb4+/= ]

40...axb4-+ 41.axb4 Ra8 42.Ke1
[42.Bd6 doesn't get the bull off the ice 42...Ra2 43.Bxf4 gxf4-+ ]

42...Ra2 43.Kd1
[43.Bd6 cannot undo what has already been done 43...Rxc2 44.Bxf4 gxf4-+ ]

43...Ba4
[>=43...Rb2 and the result of the game is clear: Black will win 44.Ne3 Bxe3 45.Rd8+ Kxd8 46.Bxe3 Rxg2-+ ]

44.Rc4 Rb2 45.Bd4 Rb1+ 46.Ke2 Bb5 47.Kd3
[47.Na3 Rxb4 48.Nxb5 Rxc4 49.Bf2-+ ]

47...e5 48.Bc3
[48.Kc3 doesn't get the cat off the tree 48...Bxc4 49.Kxc4 exd4 50.Kxd4 Kd7-+ ]

48...Rd1+
[48...Rd1+ 49.Ke2 Rc1-+ ] 0-1

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