Author: Slater Wold
Date: 12:18:12 11/13/01
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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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