Author: Tony Hedlund
Date: 08:26:11 05/02/03
Go up one level in this thread
On May 02, 2003 at 09:27:04, Uri Blass wrote:
>On May 02, 2003 at 09:16:13, Uri Blass wrote:
>
>>On May 02, 2003 at 09:08:08, Uri Blass wrote:
>>
>>>On May 02, 2003 at 09:01:29, Mogens Larsen wrote:
>>>
>>>>On May 02, 2003 at 08:36:30, Djordje Vidanovic wrote:
>>>>
>>>>>Hello Tony,
>>>>>
>>>>>which book is Ruffian using? Sorry if I am pestering you with a question
>>>>>already asked, but I am really interested. Fritz 8 must be using its own Fritz
>>>>>8 book (by A. Kure), how about Ruffian?
>>>>>
>>>>>Thanks in advance.
>>>>
>>>>Ruffian is using its own book available at the website. And since it's installed
>>>>as an UCI engine there's no book learning. Essentials from answers to similar
>>>>questions like the one above :-).
>>>>
>>>>Regards,
>>>>Mogens
>>>
>>>Does Ruffian has some other kind of learning that is not book learning to
>>>prevent losing another game in the same way?
>>>
>>>I can think about positional learning that is based only on the scores.
>>>
>>>Uri
>>
>>For example using more time in move 51 when you remember that you had a fail low
>>at move 52
>>
>>I am interested to know what are the practical results of the following way of
>>learning:
>>
>>1)playing many the moves that you played in a previous games in 0 seconds
>>2)starting to calculate and using more time one move before the move that you
>>remember a negative evaluation of more than 0.5 pawn against yourself.
>>
>>What is the probability that a program that lose is going to lose again in these
>>conditions?
>>
>>Note that one of the possibilities may be that the opponent may have no time to
>>use on your time so the opponent may play a different move earlier.
>>
>>Uri
>
>I can add that maybe this kind of learning could help here
>
>[Event "SSDF"]
>[Site "Tony Hedlund"]
>[Date "2003.05.02"]
>[Round "5"]
>[White "Fritz 8 A1200"]
>[Black "Ruffian 1.0.1 A1200"]
>[BlackElo "2671"]
>[ECO "C11"]
>[Result "1-0"]
>
>1. e4 {0s} e6 {book 0s} 2. d4 {0s} d5 {book 0s} 3. Nc3 {0s}
>Nf6 {book 0s} 4. Bg5 {0s} dxe4 {book 0s} 5. Nxe4 {0s} Be7
>{book 0s} 6. Bxf6 {0s} Bxf6 {book 0s} 7. Nf3 {0s} O-O {book
>0s} 8. Qd2 {0s} Nd7 {book 0s} 9. O-O-O {0s} b6 {book 0s}
>10. Bc4 {0s} c6 {-0.13/13 4:23m} 11. Qf4 {9:34m (Nxf6+)}
>Be7 {-0.05/14 2:44m} 12. Ne5 {4:48m} Qc7 {-0.06/14 0s}
>13. Qg3 {4:02m} Bd8 {-0.09/13 28s} 14. Kb1 {9:39m (Ng5)} a5
>{-0.14/13 7:50m} 15. Rhe1 {3:21m} a4 {-0.14/13 3s} 16. a3
>{9:18m (Re3)} Nf6 {-0.17/13 5:07m} 17. Bd3 {11:13m} Nd7
>{-0.25/14 0s} 18. f4 {4:12m} Ba6 {-0.40/13 4:09m} 19. Bxa6
>{6:00m (Qf3)} Rxa6 {-0.48/16 22:50m} 20. Qf3 {0s (Qc3)}
>Nxe5 {-0.44/15 17:21m} 21. dxe5 {0s} Be7 {-0.45/14 2:11m}
>22. Qg4 {4:00m} Ra5 {-0.30/13 1:51m} 23. h4 {1:01m (c4)}
>Rd8 {-0.16/13 2:02m} 24. h5 {2:52m} Rad5 {0.00/14 0s}
>25. Nc3 {5:21m (Nf6+)} Rd4 {+0.04/13 1:07m} 26. Rxd4
>{3:21m} Rxd4 {-0.02/17 0s} 27. h6 {3:46m (Re4)} g6
>{+0.05/15 1:26m} 28. Ne4 {4:10m (Qf3)} Qd8 {+0.08/14 56s}
>29. Qe2 {6:26m} b5 {0.00/16 0s} 30. c3 {3:52m} Rd5 {0.00/16
>0s} 31. Rc1 {3:28m (g4)} Kf8 {+0.01/13 1:11m} 32. Rf1
>{5:16m (g4)} Qd7 {+0.01/13 53s} 33. Ka1 {1:43m (Kc1)} c5
>{+0.07/14 1:00m} 34. g4 {6:28m} c4 {0.00/16 42s} 35. Ka2
>{1:04m (g5)} Ke8 {0.00/13 49s} 36. Qg2 {1:08m (Ng5)} Qc7
>{0.00/14 54s} 37. Qf2 {50s (Ng5)} Kf8 {-0.04/13 49s} 38. f5
>{1:41m} gxf5 {-1.78/16 7:40m} 39. gxf5 {0s} Qxe5 {-1.74/15
>45s} 40. f6 {0s} Qxe4 {-1.95/15 1:13m} 41. fxe7+ {0s} Kxe7
>{-4.84/18 21:26m} 42. Qxf7+ {0s} Kd6 {-4.34/16 4:57m}
>43. Qb7 {0s} Qc2 {-6.28/16 6:40m} 44. Qb6+ {1:00m} Ke7
>{-9.01/18 2:22m} 45. Qc7+ {0s} Rd7 {-9.01/16 2:09m}
>46. Qc5+ {0s} 1-0
>
>Ruffian lost after Kf8
>With more time Ruffian says
>
>depth=13 -0.04 Kf8 f5 gxf5 gxf5 Qxe5 f6 Bd6 Qg2 Ke8 Qg8+ Bf8 Qxh7 Qh2 Re1 Bxh6
>Nodes: 22661583 NPS: 499153
>Time: 00:00:45.40
>
>depth=14 +0.00 Qd7 g5 Kf8 Re1 Kg8 Nf6+ Bxf6 exf6 Rd2 Re2 Rd1 Qc5 Ra1+ Kxa1 Qd1+
>Ka2 Qb3+ Ka1 Qd1+
>Nodes: 72064174 NPS: 498196
>Time: 00:02:24.65
>
>depth=15 -0.01 Qd7 Re1 Qc7 g5 Kf8 Nf6 Bxf6 gxf6 Qd7 Rg1 Rd2 Qc5+ Ke8 Qb6 Kf8
>Qb8+ Qe8 Qc7
>Nodes: 147861573 NPS: 508954
>Time: 00:04:50.52
>
>Note also that I do not understand the reason that Ruffian used so little time
>because based on the reported time it had time on the clock.
This is Ruffian's main problem. In one game it had used 21 minutes at move 33!
Tony
>I wonder if Ruffian's time management is better in Leo's tournament(40/40 time
>control).
>
>Uri
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