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Wesley So vs Diego Flores
Khanty-Mansiysk Olympiad (2010), Khanty-Mansiysk RUS, rd 10, Oct-01
Benoni Defense: Czech Benoni Defense (A56)  ·  1-0

ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
Oct-02-10  shintaro go: Knight for 3 pawns.
Oct-20-10  SugarDom: Wesley So (2668) - Diego Flores (2615) [A56]
Chess Olympiad Khanty-Mansiysk RUS (10), 01.10.2010
[Houdini 1.03a x64 8_CPU (5m)]
A56: Czech Benoni

1.d4 Nf6

2.c4 c5

3.d5 e5

4.Nc3 d6

5.e4 Nbd7

6.Be2 Be7

7.Nf3 a6

8.0–0 0–0

9.a3 Ne8

10.b4 b6

11.Rb1 g6

12.Bh6 Ng7 13.Qd2 <0.57> Black has a cramped position

13...Nf6N <0.74>
[13...f6 14.Ne1 Qc7 15.Nd3 Rf7 16.Be3 f5 17.f4 Bf6 18.bxc5 bxc5 19.Bf3 Re7 20.exf5 gxf5 21.fxe5 Nxe5 22.Nxe5 Bxe5 23.Bg5 Re8 24.Ne2 Bd7 25.Nf4 Rab8 26.h4 Rxb1 27.Rxb1 Rb8 28.Rf1 Sharavdorj,D (2453)-Kurosaki,T (2073)/Las Vegas 2005/CBM 106 ext/½–½ (53)]

14.Ne1 <0.41> [14.h3 Qc7± <0.75>]

14...Kh8

15.Nd3 Ng8

16.Be3 f5 The typical lever

17.f3 Nf6 <0.66>

18.Kh1 f4 Black threatens to win material: f4xe3

19.Bf2 Ngh5

20.Na4<0.44>
[20.a4 a5 21.bxc5 bxc5±]


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Oct-20-10  SugarDom: 20...Nd7

21.g4 White threatens to win material: g4xh5 [21.Rb3 Bh4]

21...Ng7

22.Rg1 Ne8

23.Rgc1 Bh4 <0.94 weak move> [23...Ra7 24.Nxb6 Nxb6 25.bxc5 dxc5 26.Nxe5 ]

24.Qe1 <0.16 weak move> [24.Bxh4!? Qxh4 25.Nxb6 Nxb6 26.bxc5±]

24...Bxf2=

25.Qxf2 g5 <0.45> [25...Kg7 26.Rb2=]

26.Nxb6 Qxb6

27.bxc5 Qa7

28.cxd6 Qxf2

29.Nxf2 Nc5

30.Rb6 <0.38> 30...Rf6

31.Nd3 Nxd3

32.Bxd3 Rxd6

33.Rcb1 <0.08 weak move>

33...Rxb6 <0.41 weak move>

34.Rxb6 Black wins a piece

34...Kg7

35.c5 Nf6

36.Bc4 h5 <1.02 weak move> [36...h6 37.d6²]

37.gxh5= Bh3 [37...Nxh5 38.c6 g4 39.d6 gxf3 40.c7 ]

38.Kg1 [38.h6+ Kg6±] 38...g4² Black undermines the pawn chain

39.h6+ [39.Bxa6 gxf3 40.h6+ Kf7 41.Rb7+ Kg8 42.Rg7+ Kf8–+]

39...Kg6

40.Be2 <0.20 weak move> 40...Kg5


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Oct-20-10  SugarDom: 41.c6 <0.00>


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41...Kxh6? <3.48 blundered. the losing move> [¹41...gxf3 is a viable option 42.Bxf3 Kxh6=]

42.c7 gxf3?? Black has lost his nerve... understandable when you consider his position [42...Kg5 43.fxg4 Ne8 ]

43.Bf1 [43.Rxf6+ Kg7 44.Bf1 Bxf1±]

43...Rg8+ [43...Bg4 does not solve anything 44.Rxf6+ Kg5 45.Rxa6 f2+ 46.Kxf2 ]

44.Kf2 Bxf1 [44...Bc8 doesn't get the bull off the ice 45.Rxf6+ Kg5 46.Rxa6 ]

45.Kxf1 [45.Rxf6+ Kg7 46.Rf5 Rc8 ]

45...Kg5 [45...Rc8 praying for a miracle 46.Rxf6+ Kg7 ]

46.Rb8 Rg6 [46...Rg7 47.c8Q Kh4 48.Qf5 ]

47.c8Q Nxe4

48.Qc2 Nf6 [48...Nd6 a fruitless try to alter the course of the game 49.h4+! Mate attack 49...Kf6 50.Rf8+ Kg7 51.Rg8+ Kxg8 52.Qxg6+ Kf8 53.Qxd6+ Ke8 54.Qxa6 ]

49.h4+! Deflection: g6. . . . . [49.h4+ Kh6 50.Qf5 ] 1–0

Oct-20-10  licuan: nice analysis sir <sugardom>

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