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Subject: Re: Can your program find it?

Author: Ernst Walet

Date: 12:18:59 10/17/02

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On October 17, 2002 at 08:09:28, Grzegorz Sidorowicz wrote:

>
>This position is from the game Terra-Armageddon (after 36. Kf3)
>[D]8/6kp/pp3p2/5Qp1/1P2n3/P1P2KP1/3q3P/5B2 b - - bm Nf2
>
>[Event "AT1, DP733, 128/4/4, P=on"]
>[Site "Trier, 40/20"]
>[Date "2002.10.09"]
>[Round "10"]
>[White "Terra 2.9"]
>[Black "Armageddon 2.155"]
>[ECO "C00 "]
>[Result "1-0"]
>
>1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 b6 5. c3 c5 6. Be2 dxe4 7. Nxe4 Nxe4
>8. Qa4+ Bd7 9. Qxe4 Bc6 10. Qg4 Nd7 11. O-O g6 12. Qh3 Bg7 13. Rd1 Rc8
>14. Bh6 O-O 15. d4 Qc7 16. dxc5 Nxc5 17. Ng5 Bxh6 18. Qxh6 f6 19. Nf3 Bxf3
>20. Bxf3 Rfd8 21. Qh4 g5 22. Qh3 Rxd1+ 23. Rxd1 Rd8 24. Re1 e5 25. Qf5
>Rd6 26. Rd1 e4 27. Rxd6 Qxd6 28. Be2 Qd2 29. Bf1 e3 30. fxe3 Qxe3+ 31. Kh1
>Kg7 32. a3 a6 33. g3 Qc1 34. b4 Ne4 35. Kg2 Qd2+ 36. Kf3 Nd6 37. Qd3 Qxd3+
>38. Bxd3 b5 39. Ke3 h5 40. Kd4 h4 41. Kc5 hxg3 42. hxg3 Nf7 43. Bf5 Ne5
>44. Bc8 Nc4 45. a4 Nd2 46. a5 Ne4+ 47. Kb6 Nxc3 48. Bxa6 Nd5+ 49. Kxb5
>Nc3+ 50. Kc6 f5 51. Bc4 f4 52. gxf4 Nd1 53. a6 gxf4 54. a7 Ne3 55. Kc5
>Kg6 56. a8=Q Kf5 57. Bd3+ Kg4 58. b5 Kg3 59. b6 Ng4 60. b7 Nf2 61. Bf5
>Nd1 62. b8=Q Nc3 63. Qg8+ Kf2 64. Qag2+ Ke1 65. Qe6+ Ne4+ 66. Qexe4+ Kd1
>67. Qgc2#  1-0
>
>
>Analysis by Gambit Tiger 2.0:
>
>= (0.00): 36...Nf2 37.Be2 Nd1 38.Qd3 g4+ 39.Kg2 Ne3+ 40.Kf2 Nd1+ 41.Kf1 Ne3+
>42.Kf2
>² (0.53): 36...Nd6 37.Qd3 Qxd3+ 38.Bxd3 b5 39.Ke3 f5 40.Kd4 Kf6 41.Kd5 Nf7 42.c4
>Ne5 43.cxb5 Nxd3 44.bxa6
>² (0.56): 36...Nxc3 37.Bd3 Qd1+ 38.Kg2 Qh5 39.Bxa6 Qg6 40.Qd3 Qe8 41.Bc4 Qc6+
>42.Kf2 Nb1 43.Ba2 Nc3
>
>Armageddon play Nd6 and lose the game.
>
>Grzegorz

Hiacrs8 sees it immediately.

New game
8/6kp/pp3p2/5Qp1/1P2n3/P1P2KP1/3q3P/5B2 b - - 0 1

Analysis by Hiarcs 8:

1...Nd6 2.Qd7+
  ³  (-0.52)   Depth: 1   00:00:00
1...Nd6 2.Qd7+
  ³  (-0.27)   Depth: 2/11   00:00:00
1...Nd6 2.Qd3 Qe1
  ²  (0.39)   Depth: 2/11   00:00:00
1...Nxc3 2.Bxa6
  =  (-0.13)   Depth: 2/11   00:00:00
1...Nxc3 2.Bd3 Qd1+ 3.Kf2
  =  (0.00)   Depth: 3/11   00:00:00
1...Nxc3 2.Bd3
  =  (0.25)   Depth: 4/17   00:00:00
1...Nxc3 2.Bd3
  =  (0.25)   Depth: 4/17   00:00:00
1...Nf2 2.Be2
  =  (0.00)   Depth: 4/17   00:00:00
1...Nf2 2.Be2
  =  (0.00)   Depth: 5/17   00:00:00  4kN
1...Nf2 2.Be2
  =  (0.00)   Depth: 6/17   00:00:00  6kN
1...Nf2 2.Be2
  =  (0.00)   Depth: 7/17   00:00:00  10kN
1...Nf2 2.Be2 Nd1 3.Qd3 g4+ 4.Kg2 Ne3+ 5.Kf2 Nd1+ 6.Kg2
  =  (0.00)   Depth: 8/26   00:00:01  362kN
1...Nf2 2.Be2 Nd1 3.Qe6 Qxc3+ 4.Kg4 Ne3+ 5.Kh5 b5 6.Qe7+ Kg8 7.Qe8+ Kg7 8.Qe7+
  =  (0.00)   Depth: 9/28   00:00:08  1727kN
1...Nf2 2.Be2 Nd1 3.Qe6 Qxc3+ 4.Kg4 Ne3+ 5.Kh5 Qd2 6.Qe7+ Kg8 7.Qe8+ Kg7 8.Qe7+
  =  (0.00)   Depth: 10/31   00:00:29  5647kN

(Athlon 4 XP1500+, 64MB hash 17.10.2002)

Ernst.

• Re: Can your program find it? Dann Corbit 12:53:10 10/17/02

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