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Subject: Re: Two interesting positions from Massy 2004

Author: Steffen Jakob

Date: 07:23:40 06/21/04

Go up one level in this thread


On June 21, 2004 at 09:02:50, Frederic Louguet wrote:

>As always, the semi-rapid Massy tournament was very friendly and interesting.
>And it was a real pleasure to see you again Christophe !
>
>Now the positions :

// ...

>The second position occured in the game The Crazy Bishop - Chess Wizard. Black
>played 25..Nxg2. Is it the best move ? What do other programs play ?
>
>[D] 2q1r1k1/3bbpp1/3p1n1p/2p5/p3PP2/P2Rn2P/N1P1B1P1/NQ2B1K1 b

Hossa wants to play 25... Nxg2 after 59817 nodes on my very busy machine and
keeps it:

 depth   value    time    nodes pv
    1    -0.57    0.01        3 1... f6xe4 2.d3xe3<qs>
  2/1    +1.26    0.01        5 1... e3c4
   <1>   +1.26    0.01       48 1... e3c4
    2    +1.40    0.01      144 1... e3c4 2.e2f3
   <2>   +1.40    0.01      351 1... e3c4 2.e2f3
?   3    +0.75    0.02     2228 1... e3c4 2.d3c3 c4a5
?20/3    +1.23    0.02     3505 1... e3xg2 2.Kxg2 f6xe4
   <3>   +1.23    0.02     3523 1... e3xg2 2.Kxg2 f6xe4
?   4    +0.87    0.07     9529 1... e3xg2 2.Kxg2 f6xe4 3.c3
   <4>   +0.87    0.08     9566 1... e3xg2 2.Kxg2 f6xe4 3.c3
    5    +0.66    0.12    14821 1... e3xg2 2.Kxg2 f6xe4 3.a2c3 e4xc3
                                4.e1xc3<qs>
  6/5    +0.74    0.20    24098 1... e3c4 2.d3c3 c4a5 3.b1b6 a5b7
   <5>   +0.74    0.26    32208 1... e3c4 2.d3c3 c4a5 3.b1b6 a5b7
    6    +0.46    0.34    43248 1... e3c4 2.d3c3 c4a5 3.c3e3 a5b7
                                4.a2c3
  2/6    +0.61    0.42    59817 1... e3xg2 2.Kxg2 f6xe4 3.c4 d7e6
                                4.a2c3
   <6>   +0.61    0.57    88529 1... e3xg2 2.Kxg2 f6xe4 3.c4 d7e6
                                4.a2c3
    7    +0.77    0.97   149200 1... e3xg2 2.Kxg2 d7c6 3.c4 f6xe4
                                4.Kh2 c8f5
   <7>   +0.77    1.37   246932 1... e3xg2 2.Kxg2 d7c6 3.c4 f6xe4
                                4.Kh2 c8f5
    8    +0.81    1.90   403276 1... e3xg2 2.Kxg2 d7c6 3.c4 c6xe4
                                4.e2f3<check> e4f5 5.f3e2 f6e4
   <8>   +0.81    2.15   477603 1... e3xg2 2.Kxg2 d7c6 3.c4 c6xe4
                                4.e2f3<check> e4f5 5.f3e2 f6e4
    9    +0.71    3.67   931459 1... e3xg2 2.Kxg2 d7c6 3.e2f3 c6xe4
                                4.f3xe4 f6xe4<recap > 5.a2c3 e4xc3 6.e1xc3<qs>
   <9>   +0.71    4.58  1244388 1... e3xg2 2.Kxg2 d7c6 3.e2f3 c6xe4
                                4.f3xe4 f6xe4<recap > 5.a2c3 e4xc3 6.e1xc3<qs>
   10    +0.71    6.65  1771128 1... e3xg2 2.Kxg2 d7c6 3.e2f3 c6xe4
                                4.f3xe4 f6xe4<recap > 5.a2c3 e4xc3 6.e1xc3<recap
>
  <10>   +0.71    8.13  2262208 1... e3xg2 2.Kxg2 d7c6 3.e2f3 c6xe4
                                4.f3xe4 f6xe4<recap > 5.a2c3 e4xc3 6.e1xc3<recap
>
   11    +0.51   15.74  4511357 1... e3xg2 2.Kxg2 d7c6 3.e2f3 c6xe4
                                4.a2c3 e4c6 5.e1f2 c6xf3 6.d3xf3<check> c8d7
                                7.f3e3
  <11>   +0.51   28.48  7961010 1... e3xg2 2.Kxg2 d7c6 3.e2f3 c6xe4
                                4.a2c3 e4c6 5.e1f2 c6xf3 6.d3xf3<check> c8d7
                                7.f3e3
   12    +0.43   56.79 15769837 1... e3xg2 2.Kxg2 d7c6 3.e2f3 c6xe4
                                4.a2c3 e4f5 5.b1b7 c8e6 6.f3e2 f6h5
                                7.e1d2
  <12>   +0.43    1:07 19539458 1... e3xg2 2.Kxg2 d7c6 3.e2f3 c6xe4
                                4.a2c3 e4f5 5.b1b7 c8e6 6.f3e2 f6h5
                                7.e1d2
   13    +0.45    2:02 34652652 1... e3xg2 2.Kxg2 d7c6 3.e2f3 c6xe4
                                4.a2c3 d5 5.e1f2 c8f5 6.b1b5 e4xd3
                                7.c2xd3 f5xf4 8.c3xd5<qs>
  <13>   +0.45    2:32 43149166 1... e3xg2 2.Kxg2 d7c6 3.e2f3 c6xe4
                                4.a2c3 d5 5.e1f2 c8f5 6.b1b5 e4xd3
                                7.c2xd3 f5xf4 8.c3xd5<qs>
   14    +0.51    5:23 85244910 1... e3xg2 2.Kxg2 d7c6 3.e2f3 c6xe4
                                4.a2c3 e4xf3 5.d3xf3<check> f6h5 6.c3d5 e7f6
                                7.c4 c8e6 8.e1f2 e6e2
  <14>   +0.51    6:27 102813341 1... e3xg2 2.Kxg2 d7c6 3.e2f3 c6xe4
                                4.a2c3 e4xf3 5.d3xf3<check> f6h5 6.c3d5 e7f6
                                7.c4 c8e6 8.e1f2 e6e2
   15    +0.71   25:37 389936189 1... e3xg2 2.Kxg2 f6xe4 3.c4 d7c6
                                4.Kg1 c8f5 5.b1b6 c6a8 6.b6a6 e4f6
                                7.e1d2 f5e4 8.e2f1 e4h1 9.Kf2<qs>
  <15>   +0.71   28:47 425653833 1... e3xg2 2.Kxg2 f6xe4 3.c4 d7c6
                                4.Kg1 c8f5 5.b1b6 c6a8 6.b6a6 e4f6
                                7.e1d2 f5e4 8.e2f1 e4h1 9.Kf2<qs>


>[Event "Computer chess game"]
>[Site "Massy"]
>[Date "2004.06.20"]
>[Round "6"]
>[White "TCB"]
>[Black "ChessWizard"]
>[Result "0-1"]
>[TimeControl "1200"]
>
>1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Be2 O-O 7. O-O a6
>8. Bf4 Re8 9. Qd2 Bd7 10. Rfd1 Nc6 11. Qc1 b5 12. a3 Qc8 13. Be3 h6 14. Rb1
>Rb8 15. f3 Ne5 16. Bf2 c6 17. f4 Neg4 18. Be1 c5 19. Nb3 a5 20. h3 a4 21.
>Na1 b4 22. Na2 bxa3 23. bxa3 Rxb1 24. Qxb1 Ne3 25. Rd3 Nxg2 26. Kxg2 Nxe4
>27. Bf1 c4 28. Re3 Bc6 29. Kg1 Qf5 30. Qb6 Qxf4 31. Bg2 Bd8 32. Qa7 Bf6 33.
>c3 Be5 34. Re2 Re6 35. Bh4 Qh2+ 36. Kf1 Ng3+ 37. Ke1 Nxe2 38. Qb8+ Re8 39.
>Qxe8+ Bxe8 40. Nc2 Qxg2 41. Ne3 Qf3 42. Kd2 Bf4 43. Bf2 Qxf2 44. Kd1 Qxe3
>45. Kc2 Nxc3 46. h4 Qd2# 0-1

Greetings,
Steffen.



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