Author: Robert Hyatt
Date: 10:18:55 11/13/01
Go up one level in this thread
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
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