Author: Uri Blass
Date: 09:16:45 10/24/05
Go up one level in this thread
On October 24, 2005 at 11:59:20, Günther Simon wrote:
>On October 24, 2005 at 11:44:29, Laurence Chen wrote:
>
>>On October 24, 2005 at 10:05:33, Mike Hood wrote:
>>
>>>On October 24, 2005 at 09:55:40, Kurt Utzinger wrote:
>>>
>>>>On October 24, 2005 at 09:51:01, Jouni Uski wrote:
>>>>
>>>>>[D]N7/PPPPPPPP/K1k3qB/brpnn3/7N/6rb/8/8 w - -
>>>>>
>>>>>I don't know if it's legal (from old CSS magazine).
>>>>>
>>>>>Jouni
>>>>
>>>> This position is of no practical interest
>>>> and therefore (for me) not worth testing.
>>>> It's also an illegal (impossible) position.
>>>> Regards
>>>> Kurt
>>>
>>>Kurt, I agree that it's a highly unlikely position. But illegal? Impossible? If
>>>you'll lay your money on the table, I bet that I can give you the notation for a
>>>legal chess game resulting in this position. It won't be a sensible game, but I
>>>only want to prove the possibility of reaching this position.
>>>
>>>Apart from this, extreme positions are often useful to highlight the strengths
>>>and weaknesses of engines.
>>
>>I agree with Kurt. The position is impossible to achieve. If you don't see why,
>>then look again. What guarantees would Kurt or anyone have in collect the money
>>when you lose the bet?
>
>Of course it's impossible and that took me less than 10 seconds ;)
>
>Guenther
It is possible to achieve it by legal moves
Here is a game that I played against myself when this position happened.
Of course I am a bad player so there were a lot of mistakes of both sides during
the game ;)
[Event "Blitz:3'"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "New game"]
[Black "Fruit 2.2"]
[Result "*"]
[PlyCount "150"]
[TimeControl "180"]
{512MB, Fritz8.ctg, URI-AMD} 1. c4 h5 2. a4 h4 3. Ra3 g5 4. Qc2 f5 5. Qxf5 g4
6. Qxg4 h3 7. Qxh3 Nf6 8. Rd3 Na6 9. Rd6 cxd6 10. c5 e5 11. c6 e4 12. Qg4 b5
13. h4 b4 14. Rh3 Rb8 15. Qxe4+ Kf7 16. Qxb4 Ra8 17. Qb7 Kg6 18. Qxa7 Rb8 19.
Qxd7 Ra8 20. Qa7 Rb8 21. Qc5 dxc5 22. d3 Kf7 23. Kd2 Bxh3 24. Kc3 Ke6 25. h5
Kd6 26. h6 Kc7 27. h7 Kb6 28. c7 Kc6 29. g4 Rc8 30. g5 Nb8 31. Kb3 Nbd7 32. a5
Bd6 33. a6 Be5 34. Ka4 Rf8 35. Ka5 Nd5 36. a7 Rf5 37. Nc3 Rf8 38. Na4 Rf5 39.
Nb6 Rf8 40. Na8 Rf3 41. Ka6 Ne7 42. b4 Kd5 43. b5 Qh8 44. b6 Rcf8 45. b7 R8f4
46. g6 Bc3 47. e3 Qd4 48. Bg2 Bxg2 49. e4+ Kd6 50. e5+ Kd5 51. e6 Kd6 52. g7
Qb4 53. d4 Qb1 54. d5 Ke5 55. d6 Nd5 56. e7 N7f6 57. d7 Kd6 58. Ba3 Rh3 59. f3
Rd4 60. f4 Ne4 61. f5 Kc6 62. f6 Rb4 63. f7 Rb5 64. Ne2 Ba5 65. Ng3 Nef6 66.
Nh5 Ng4 67. Bc1 Qg6 68. Bh6 Ne5 69. Nf4 Bf3 70. Ng2 Rg3 71. Nh4 Bg2 72. Nf3 Bh3
73. Nh4 Re3 74. Nf5 Rf3 75. Nh4 Rg3 *
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.