Author: Michel Langeveld
Date: 13:43:11 11/13/01
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On November 13, 2001 at 15:18:12, Slater Wold wrote: >On November 13, 2001 at 13:18:55, Robert Hyatt wrote: > >>On November 13, 2001 at 12:00:47, Michel Langeveld wrote: >> >>>How long does your program need to see that Nxf1 is deadly lost: >>> >>>[D] 2r3k1/1b3p2/p4q2/2bp1NpQ/Pr6/3BP2P/3n1PPB/1R3RK1 b - - 0 30 >> >> >>Should take crafty this long: >> >> 9 13.25 -1.53 1. ... Nxf1 2. Rxb4 Bxb4 3. Be5 Ng3 >> 4. Nh6+ Kf8 5. Bxg3 Rc1+ <HT> >> 9-> 14.45 -1.53 1. ... Nxf1 2. Rxb4 Bxb4 3. Be5 Ng3 >> 4. Nh6+ Kf8 5. Bxg3 Rc1+ <HT> >> 10 16.55 -- 1. ... Nxf1 >> 10 37.19 -0.47 1. ... Nxf1 2. Be5 Rxb1 3. Bxb1 Ng3 >> 4. fxg3 Bxe3+ 5. Kh2 Bg1+ 6. Kxg1 Qxe5 >> 7. Ne7+ Kg7 8. Nxc8 Bxc8 >> 10-> 43.73 -0.47 1. ... Nxf1 2. Be5 Rxb1 3. Bxb1 Ng3 >> 4. fxg3 Bxe3+ 5. Kh2 Bg1+ 6. Kxg1 Qxe5 >> 7. Ne7+ Kg7 8. Nxc8 Bxc8 >> 11 44.67 -- 1. ... Nxf1 >> 11 57.23 3.07 1. ... Nxf1 2. Be5 Rxb1 3. Bxb1 Ng3 >> 4. fxg3 Bxe3+ 5. Kh2 Rc1 6. Ne7+ Kf8 >> 7. Ng6+ fxg6 8. Qh6+ Ke7 9. Bxf6+ Kxf6 >> 10. Bxg6 >> >> >>IE it fails low at 44 seconds, at 57 seconds it sees white is winning... >> >>quad 700 > >I am guessing this game was played on an 800mhz computer. (Michel's computer.) >Which means it would take about 4 minutes for it to get this correct, on his >machine. > >What does Crafty do when its time limit is up, and it's currently failing low on >a move? I am guessing it extends the time, but what if the move time is >exhausted and it's still failing low? > >The reason I ask, is because if I am correct, and this was a game that was >played on Michel's computer, it was more than likely failing low when it made >the move.
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