Author: Dieter Buerssner
Date: 13:56:50 04/11/02
Go up one level in this thread
On April 11, 2002 at 15:35:06, Art Basham wrote:
>White plays 1. Nd8 and mates in 12...!
>
>[D]6n1/1N4p1/6Pp/1B1NpP2/P2kP3/1p3PpK/2P4P/rb2b3 w - -
I (and my engine) like this more, than other "Mate in ..." positions posted
recently. Often the positions were like: The engine can see, that this is an
easy win. Here, it seems not that trivial to win. So, I believe, this is more
suited to test "playing" programs.
Yace, K6-2 475, 20M hash (run in the background with perhaps 60% of the CPU)
1122228 11.205 0.00 9. 1. Nd8 Kc5 2. Nb7+ Kd4 {-350}
1281204 13.096 0.40 10++ 1. Nd8 Kc5 2. Ne6+ Kd6 3. c4 Bf2 4. c5+ Bxc5 5.
Nd8 Bxe4 6. fxe4 Rxa4 7. Bxa4 Bd4 {260}
1747861 17.979 0.67 10t 1. Nd8 Kc5 2. Ne6+ Kd6 3. c4 Bxe4 4. fxe4 Rc1
5. Nd8 Kc5 6. hxg3 b2 7. Ne6+ Kd6 8. c5+ Rxc5
9. Nxc5 Kxc5 10. Bd3 {80}
2485208 25.704 0.67 10. 1. Nd8 Kc5 2. Ne6+ Kd6 3. c4 Bxe4 4. fxe4 Rc1
5. Nd8 Kc5 6. hxg3 b2 7. Ne6+ Kd6 8. c5+ Rxc5
9. Nxc5 Kxc5 10. Bd3 {80}
3619387 38.411 1.02 11t 1. Nd8 Kc5 2. Ne6+ Kd6 3. Nb6 Ke7 4. c4 Bxe4 5.
fxe4 Rd1 6. Nd5+ Rxd5 7. cxd5 gxh2 8. Kxh2 b2
9. Bd3 Kf6 {80}
5813363 1:05.0 1.02 11. 1. Nd8 Kc5 2. Ne6+ Kd6 3. Nb6 Ke7 4. c4 Bxe4 5.
fxe4 Rd1 6. Nd5+ Rxd5 7. cxd5 gxh2 8. Kxh2 b2
9. Bd3 Kf6 {80}
9096128 1:38.7 1.11 12t 1. Nd8 Kc5 2. Ne6+ Kd6 3. Nb6 Ke7 4. c4 Bxe4 5.
fxe4 Rd1 6. Nd5+ Rxd5 7. cxd5 gxh2 8. Kxh2 b2
9. Bd3 Kf6 10. Bb1 {80}
15251052 2:50.7 1.11 12. 1. Nd8 Kc5 2. Ne6+ Kd6 3. Nb6 Ke7 4. c4 Bxe4 5.
fxe4 Rd1 6. Nd5+ Rxd5 7. cxd5 gxh2 8. Kxh2 b2
9. Bd3 Kf6 10. Bb1 {80}
16037776 3:01.8 1.51 13++ 1. Nd8 Kc5 2. Ne6+ Kd6 3. Nb6 Ke7 4. hxg3 Rxa4
5. Nc8+ Kf6 6. Bxa4 bxc2 7. Bxc2 Ne7 8. Nxe7
Bxc2 9. Nc6 Bd2
16827342 3:11.1 Mat12 13++ 1. Nd8 Kc5 2. Ne6+ Kd6 3. Nb6 Ke7 4. Nc8+ Kf6
5. Nf8 Kg5 6. hxg3 Bxg3 7. Ne6+ Kf6 8. Nb6 Ke7
9. Nd5+ Kd6H 10. Nd8H {HT} {-350}
25092067 4:07.0 Mat12 13t 1. Nd8 Kc5 2. Ne6+ Kd6 3. Nb6 Ke7 4. Nc8+ Kf6
5. Nf8 Kg5 6. hxg3 Bxg3 7. Ne6+ Kf6 8. Nb6 Ke7
9. Nd5+ Kd6 10. Nd8 Kc5 11. Nb7+ Kd4 12. c3#
{-350}
Soon John Merlino will come and show a few seconds for CM :-)
Regards,
Dieter
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