Saturday, October 10, 2009

Fritz 11 Analysis of Shaun Smith Vs Kavinayan Sivakumar

Week 5: Smith,Shaun (2038) - Sivakumar,Kavinayan (2048)
USCL 2009 30.09.2009

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Be2 b5 6.Be3 Bb7 7.Nd2 Nf6 8.Bd3 d6 9.0–0 Be7 10.N4b3N

Black has a cramped position
[10.h3 0–0 11.c3 Nbd7 12.N4b3 Qc7 13.f4 e5 14.Qe2 Rfe8 15.Qf2 Bf8 16.Rae1 d5 17.Bb1 dxe4 18.fxe5 Qxe5 19.Qh4 Qh5 20.Qxh5 Nxh5 21.Bd4 Ng3 22.Rf4 Bd6 23.Rg4 g6 24.Bf2 Nh5 Mudongo,B (1962)-Ohme,M (2225)/Ekaterinburg 2007/CBM 118 ext/0–1 (51); 10.a4!? b4 11.c3²]


Black castles and improves king safety


Black has a cramped position

11...Nbd7 12.g4 g6

[12...d5 was recommended by IM Bryan Smith after the game. 13.e5 Ne4 14.Qf3 Ndc5 15.Nxc5 Nxc5 16.Bd4 Qc7 17.f5 Bg5 18.Nb3 Ne4=]

13.c3 d5

Black threatens to win material: d5xe4


White threatens to win material: e5xf6


Black can be proud of that piece


White wins space


[15...Qc7 16.Bxe4 dxe4 17.Qe2=]


[16.Bxe4 Nxe4 17.Nxe4 dxe4 18.Qxd8 Rfxd8=]


[16...Qc7 17.Qe2³]


[17.Nxe4!? should be considered 17...dxe4 18.Qb1²]

17...Nxd2³ 18.Nxd2 Nb6 19.Bd3 Nc4 20.Bxc4

[20.Nxc4!? bxc4 21.Be2=]

20...dxc4µ 21.Nf3 Bxf3


22.Rxf3³ Qd5

Black threatens to win material: Qd5xf3

23.Qd1 Rfd8

[23...Qe4 24.Rg3³]

24.Qxd5= Rxd5 25.Kf2 Rad8 26.Ke2 Kf8 27.Rff1 Ke8 28.Rad1 b4

[28...Rxd1 29.Rxd1 Rxd1 30.Kxd1=]

29.cxb4 Bxb4 30.Rxd5 exd5

Black has a new passed pawn: d5 [Less advisable is 30...Rxd5 31.Rc1±]


A valuable piece

31...Be7 32.Rf3 Kf8 33.Rh3

White threatens to win material: Rh3xh7

33...Kg8 34.Rf3 Rb8 35.Kd2 a5 36.h4 h6 37.Kc2 a4 38.Rh3 h5 39.Rf3 Ra8 40.a3

White has a new backward pawn: b2

40...Ra5 41.f5 gxf5 42.Rxf5 Bc5

Black threatens to win material: Bc5xd4 [42...Rb5 43.Rf2=]


White threatens to win material: Bc3xa5 [43.Bxc5 Rxc5 44.Kc3 Kg7=]

43...Ra6 44.e6

[44.Rf1!?= is interesting]

44...fxe6µ 45.Rf6

[45.Rf4 Rb6µ]

45...d4 46.Bd2

[46.Rg6+ Kf7 47.Rf6+ Ke7µ]




another step towards the grave [¹47.Ba5 d3+ 48.Kc3µ]

47...e5–+ 48.Rxh5 Rg6 49.Ba5 e4

Black intends d3


[50.Kc1–+ there is nothing better in the position]


[50...d3+ 51.Kd1 Bd4 52.Bf6 Bxf6 53.gxf6–+]


[51.Kd1 e3 52.Ke2 Re6–+]

51...Bg7 52.Be7

[52.Kd1–+ is one last hope]


[52...d3+ 53.Kd1 e3 54.Bc5 e2+ 55.Ke1 Re6 56.Bf2 Bxb2 57.Rh8+ Kxh8 58.Bg3 Re3 59.Kd2 e1Q+ 60.Bxe1 Re2+ 61.Kd1 c3 62.Bxc3+ Bxc3 63.h5 Re1#]

53.Bb4 d3+ 54.Kc1 Be5 55.Bc5

[55.Be1 cannot undo what has already been done 55...Rb6 56.Rh6 Bxb2+ 57.Kb1 Rb3 58.Ba5 Bxa3+ 59.Ka2 d2 60.Rg6+ Kh7 61.Rh6+ Kg7 62.Rc6 d1Q 63.Rc7+ Kg8 64.Rc8+ Bf8 65.Rxf8+ Kxf8 66.Bb4+ Ke8 67.g6 Qb1#]

55...Bf4 56.Kd1

[56.Bb4 doesn't change anything anymore 56...e2+ 57.Kb1 d2 58.Ka2 e1Q 59.Rh6 Rxh6 60.h5 c3 61.b3 d1Q 62.gxh6 axb3#]

56...e2+ 57.Ke1 Re6

[57...Re6 58.Rh8+ Kxh8 59.Bd4+ Kg8 60.Bc5 d2+ 61.Kf2 e1Q+ 62.Kg2 Qg3+ 63.Kf1 d1Q#]


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