Author: John Merlino
Date: 14:31:41 03/22/01
Go up one level in this thread
On March 21, 2001 at 21:56:13, John Merlino wrote: >On March 21, 2001 at 18:45:32, Eduard Nemeth wrote: > >>On March 21, 2001 at 17:33:12, James T. Walker wrote: >> >>>Here is a position where Deep Shredder blundered at G/30 minutes. >>>Deep Shredder played Kg3?? alowing Kf1 and quickly lost the game >>> >>>[D]2r5/5P2/4P2p/6p1/5k2/5P1P/8/6K1 b - a2 0 1 >> >>Hi! >> >>I tested this position on my P600. >> >>Deep Shredder, hash 128 MB, (with all TBs here): Kxf3 after 1:05 minutes. >>Deep Shredder, hash 128 MB, (without TBs): Kxf3 after 51 seconds. >> >>Deep Fritz, hash 128 MB, (without TBs): Kxf3 after 39 seconds. >> >>Chess Tiger 13.0, hash 96 MB: Kxf3 after 5 seconds! >> >>I played many games 30', and I think DS would Kg3 play on my PC on Blitz 30' >>(DF, i think not) but on tournament level never! Chess Tiger play Kxf3, too in >>blitz-games. >> >>Kind Regards, >>Eduard > >Chessmaster 8000 plays Kxf3 immediately. What I can't understand is why ANY >program would play Kg3 (but, then again, I'm not a very good chess player).... > >Time Depth Score Positions Moves >0:00 3/4 0.00 6919 1...Kxf3 2. e7 Rc1+ 3. Kh2 Rc2+ > 4. Kg1 Rc1+ >0:00 5/6 0.00 36901 1...Kxf3 2. e7 Rc1+ 3. Kh2 Rc2+ > 4. Kg1 Rc1+ >0:00 6/7 0.00 85282 1...Kxf3 2. e7 Rc1+ 3. Kh2 Rc2+ > 4. Kg1 Rc1+ >0:01 7/8 0.00 203709 1...Kxf3 2. e7 Rc1+ 3. Kh2 Rc2+ > 4. Kg1 Rc1+ >0:04 8/9 0.00 481872 1...Kxf3 2. e7 Rc1+ 3. Kh2 Rc2+ > 4. Kg1 Rc1+ >0:10 9/10 0.00 1091353 1...Kxf3 2. e7 Rc1+ 3. Kh2 Rc2+ > 4. Kg1 Rc1+ >0:21 10/11 0.00 2263455 1...Kxf3 2. e7 Rc1+ 3. Kh2 Rc2+ > 4. Kg1 Rc1+ >0:42 11/12 0.00 4425214 1...Kxf3 2. e7 Rc1+ 3. Kh2 Rc2+ > 4. Kg1 Rc1+ >1:22 12/13 0.00 8345320 1...Kxf3 2. e7 Rc1+ 3. Kh2 Rc2+ > 4. Kg1 Rc1+ > >jm Thanks to all you very much for the analysis. I understood that there was a mate threat, but it seemed to me a very weak one, and I'm quite a poor chess player! I guess I just didn't take into account how many moves it would take to dispel the threat and push e7, and the possibility that an engine might not see it quickly. jm
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