Author: Roy Eassa
Date: 08:58:38 05/02/02
Go up one level in this thread
On May 02, 2002 at 11:54:08, Roy Eassa wrote:
>On May 02, 2002 at 11:41:22, Ron Murawski wrote:
>
>>On May 02, 2002 at 11:28:57, Roy Eassa wrote:
>>
>>>On May 02, 2002 at 11:22:14, Ron Murawski wrote:
>>>
>>>>Hi all,
>>>>
>>>>This one is not too tough, but some engines don't see it.
>>>>
>>>>[D] 2b1r3/6kn/1q1p1pp1/1pnPb2p/r1pBP2P/2P3N1/P2QNRP1/1B3R1K w - - 0 43
>>>>
>>>>bm: Nxh5+
>>>>
>>>>This was from a game, it was Horizon's 43rd move.
>>>>
>>>>[Event "Computer chess game"]
>>>>[Site "JUBBY"]
>>>>[Date "2002.05.02"]
>>>>[Round "1"]
>>>>[White "Horizon"]
>>>>[Black "Quark v1.50"]
>>>>[Result "1-0"]
>>>>[TimeControl "40/900"]
>>>>
>>>>1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8.
>>>>c3 O-O 9. h3 h6 10. d4 Re8 11. Nbd2 Bf8 12. Nf1 Bb7 13. Ng3 Na5 14. Bc2 Nc4
>>>>15. Bd3 c5 16. d5 Nb6 17. Be3 c4 18. Bc2 Qc7 19. Nh4 g6 20. Qd2 Kh7 21. Kf1
>>>>Bg7 22. f4 exf4 23. Bxf4 Nfd7 24. Nf3 a5 25. Nd4 Ba6 26. Nc6 Na4 27. Rab1
>>>>Nac5 28. Kg1 Bb7 29. Nd4 Qb6 30. Be3 Be5 31. Bf2 Nf6 32. Nde2 a4 33. Rf1
>>>>Kg7 34. Rbe1 a3 35. bxa3 Rxa3 36. Bb1 Ra4 37. Bd4 Rh8 38. Rf3 Nh7 39. Ref1
>>>>f6 40. R3f2 Re8 41. Kh1 h5 42. h4 Bc8 43. Nxh5+ gxh5 44. Rxf6 Nxf6 45. Qg5+
>>>>Kh7 46. Rxf6 Bxf6 47. Bxf6 Re7 48. Qxh5+ Kg8 49. Qh8+ Kf7 50. Qg7+ Ke8 51.
>>>>Qxe7#
>>>>{White Mates} 1-0
>>>>
>>>>Ron
>>>
>>>
>>>Fritz 6 on 1.2 GHz Athlon chooses the move in under 2 seconds and evaluates it
>>>as a win in about 8 seconds.
>>>
>>>This might be an excellent position for handhelds.
>>
>>It takes the latest Horizon beta 20 seconds to find the move on an Athlon 1.67.
>>The position was intended for mid-level WinBoard engines (or commercial
>>handhelds) and is not so bad as a test position due to the fact that there is
>>one and only one best move and that the move cannot be found by some engines.
>>
>
>
>It's been 8 minutes and so far Pocket Fritz on iPAQ doesn't see it. 2.4 million
>nodes examined, 5050 nps
After forcing 1.Nxh5+, it still takes Pocket Fritz about 3:20 to see that this
line is good for White. About 5645 nps.
I'm a bit disappointed in Pocket Fritz, to be honest.
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.