Author: John Merlino
Date: 22:57:35 09/02/03
Go up one level in this thread
On September 02, 2003 at 21:08:18, Richard Patterson wrote: >On September 02, 2003 at 20:12:21, John Merlino wrote: > >>On September 02, 2003 at 10:36:55, Richard Patterson wrote: >> >>>In this position Fritz 8 analysis took 8 minutes to find RD1-G1 but the move >>>score was not much different than the other two best moves QA7-C7 or RD1xD7. The >>>analysis was not much different 22 minutes with RD1-G1 still leading by .70 over >>>the other moves. The analysis at 30+ minutes gave RD1-G1 (+30.38) a decisive >>>advantage over moves #2 QA7-C7 (+16.06) and #3 RD1xD7 (+15.34). >>> >>>How does your favorite chess program see this position. >>> >>>Richard >>> >>>[d]2b5/Q2n3k/2p1p3/1p2Br2/p7/P3P2p/5P2/2KR4 w - - 0 27 >> >>Chessmaster 9000, on a P4-2.4, needs 7:34 to find Rg1, and announces Mate in 13 >>when it chooses it: >> >>Time Depth Score Positions Moves >>0:00 1/3 9.31 2917 27.Rxd7+ Kg6 28.Rg7+ Kh5 29.Rh7+ >> Kg4 30.Qd4+ Kf3 31.Rxh3+ Kxf2 >>0:00 1/4 11.75 9331 27.Rxd7+ Kg6 28.Rh7 Bb7 29.Qxb7 >> Rxf2 30.Qg7+ Kf5 31.Rxh3 >>0:00 1/5 12.20 39566 27.Rxd7+ Bxd7 28.Qxd7+ Kg6 29.Qxe6+ >> Kg5 30.f4+ Kg4 31.e4 Kg3 32.Qxf5 >>0:00 1/6 12.91 91329 27.Rxd7+ Bxd7 28.Qxd7+ Kg6 29.Qxe6+ >> Kg5 30.f4+ Kg4 31.Qg6+ Kf3 32.Qxf5 >> Kg3 33.Qg6+ Kf3 34.Qxc6+ Kxe3 35.Qxb5 >>0:00 1/7 12.91 179440 27.Rxd7+ Bxd7 28.Qxd7+ Kg6 29.Qxe6+ >> Kg5 30.f4+ Kg4 31.Qg6+ Kf3 32.Qxf5 >> Kg3 33.Qg6+ Kf3 34.Qxc6+ Kxe3 35.Qxb5 >>0:02 1/8 13.19 537656 27.Rxd7+ Bxd7 28.Qxd7+ Kg6 29.Qxe6+ >> Kg5 30.f4+ Kg4 31.Qg6+ Kf3 32.Qxf5 >> Kg3 33.Qe4 Kf2 34.f5 >>0:08 2/9 14.79 2023359 27.Rxd7+ Bxd7 28.Qxd7+ Kg6 29.Qxe6+ >> Kg5 30.f4+ Kg4 31.Qg6+ Kf3 32.Qxf5 >> Kg3 33.Qg5+ Kf3 34.Qh5+ Kxe3 35.Qxh3+ >> Ke4 36.Qh1+ Kf5 37.Qxc6 >>0:29 3/10 14.92 7585028 27.Rxd7+ Bxd7 28.Qxd7+ Kg6 29.Qxe6+ >> Kg5 30.f4+ Kg4 31.Qg6+ Kf3 32.Qxf5 >> Kg3 33.Qg5+ Kf3 34.Qh5+ Kxe3 35.Qxh3+ >> Ke4 36.Qg2+ Kf5 37.Qc2+ Kg4 38.Qxc6 >>1:45 4/11 15.11 28225270 27.Rxd7+ Bxd7 28.Qxd7+ Kg6 29.Qxe6+ >> Kg5 30.f4+ Kg4 31.Qg6+ Kf3 32.Qxf5 >> Kg3 33.Qg5+ Kf3 34.Qh5+ Ke4 35.Qh7+ >> Kf3 36.Qxh3+ Ke4 37.Bd6 >>7:10 5/12 15.33 116982788 27.Rxd7+ Bxd7 28.Qxd7+ Kg6 29.Qxe6+ >> Kg5 30.f4+ Kg4 31.Qg6+ Kf3 32.Qxf5 >> Kg3 33.Qg5+ Kf3 34.Qh5+ Kg2 35.f5 >> c5 36.Qe2+ Kg1 37.Qh2+ Kf1 38.Qxh3+ >> Ke2 >>7:34 5/12 Mate13 124074955 27.Rg1 h2 28.Bxh2 Rc5+ 29.Kb1 Bb7 >> 30.Qxb7 Rd5 31.Qc8 Nf6 32.Qxe6 >> Rd1+ 33.Rxd1 Nd5 34.Qf7+ Kh6 35.Bf4+ >> Nxf4 36.Rh1+ Kg5 37.exf4+ Kg4 38.Qh5+ >> Kxf4 39.Rh4# >> >>jm > >Hi John, > >That sure is nice. I have CM9000 so I tried it. I have one question since I am >learning how all this relates. My Pentium 4 2.66 got mate in 13 with the >following stats > >10:45 5/12 Mate13 202379725 > >My question is I have made no changes to CM9000 from a normal install and >updated on the internet but it shows 202379725 positions while you have >124074955. I knew nothing about chess programs and how they work a few months >ago, so I am trying to catch on quickly :) > >Richard I changed the Mentor engine's hash table size to 64MB. You can do this by going to "Mentor -> Preferences". It can make a fairly sizeable difference in speed when you are doing lengthy analysis. jm
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