Author: leonid
Date: 18:09:19 04/25/01
Go up one level in this thread
On April 25, 2001 at 17:12:06, John Merlino wrote: >On April 25, 2001 at 11:48:17, leonid wrote: > >>Hello! >> >>If you want to know how much others understand what you are been talking about, >>then ask your computer to solve this problem. >> >>[D]3k4/r2b2r1/3b4/1Q1Q1Q2/1qnqnq2/1N1B1N2/QpQBQpQ1/q1RKR1q1 b - - >> >>Please indicate your result. >> >>Thanks, >>Leonid. > >This one actually held CM8000 up for a while! Don't worry! Even mine in selective was able to find the mate only after 64 sec., in 9 moves. Celeron 600Mhz. No hash. Brute force also looked like to be very slow for 9 moves. 7 moves took already 16 min and 3 sec. After branching factor, could expect to see all 8 moves by brute force in around 3 or 4 hours. Our NPS are very close. Your is 47910 nodes/sec. Mine for 7 moves was 46k. Mine is for brute force search. Cheers, Leonid. >Time Depth Score Positions Moves >0:01 1/3 -1.56 76915 1...fxe1=Q+ 2. Nxe1 bxc1=Q+ 3. > Nxc1 Qxd5 4. Qbxd7+ Raxd7 5. Qxf4 > Qxd2+ 6. Qexd2 Ncxd2 >0:19 1/4 -1.91 954097 1...fxe1=Q+ 2. Nxe1 bxc1=Q+ 3. > Nxc1 Qxd5 4. Qfxd5 Bxb5 5. Qxa1 > Rxg2 6. Bxf4 Rxa1 >1:14 1/4 -Mate09 3552121 1...Qbxd2+ 2. Qexd2 Qxd2+ 3. Qxd2 > Ne3+ 4. Qxe3 Nc3+ 5. Kd2 Qxe3+ > 6. Kc2 bxc1=Q+ 7. Nxc1 Qexc1+ 8. > Rxc1 Qgxc1+ 9. Kb3 Qxa2# >1:31 2/5 -Mate09 4359837 1...Qbxd2+ 2. Qexd2 Qxd2+ 3. Qxd2 > Ne3+ 4. Qxe3 Nc3+ 5. Kd2 Qxe3+ > 6. Kc2 bxc1=Q+ 7. Nxc1 Qexc1+ 8. > Rxc1 Qgxc1+ 9. Kb3 Qxa2# > >jm
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