Author: Dieter Buerssner
Date: 10:49:03 11/10/03
Go up one level in this thread
On November 10, 2003 at 03:37:58, Eduard Nemeth wrote:
>After move 47 (white):
>
>McDonald,N - Turner,M
>
>8/5p2/6k1/8/7p/5R1P/5PPK/3q4 b - - 0 1
>
>Interesting win is now Qxf3! (see game).
>
>Can your program this move find?
Yace PB needed 4:20 minutes to find Qxf3 (some seconds later with mate score).
260447778 4:18.5 5.03 18t 1...Qd2 2.Kg1 Qe1+ 3.Kh2 f5 4.Rf4 Kg5 5.Rd4
Qxf2 6.Rd3 f4 7.Rd5+ Kf6 8.Rd3 Ke5 9.Ra3 Qc2
10.Ra5+ Kd4 11.Rb5 Qe2 {HT} {501}
261960948 4:20.1 5.04 18t+ 1...Qxf3 2.Kg1 Kg5 3.Kh2 Kf4 4.Kh1
261961267 4:20.1 8.00 18++ 1...Qxf3 2.Kg1 Kg5 3.Kh2 Kf4 4.Kh1
261968444 4:20.2 9.02 18++ 1...Qxf3 2.Kg1 Kg5 3.Kf1
261983216 4:20.2 Mat30 18++ 1...Qxf3 2.g3 {921}
267229923 4:27.3 Mat27 18t 1...Qxf3 2.gxf3 Kg5 3.Kh1 Kf4 4.Kg2 f5 5.Kf1
Kxf3H 6.Kg1H Ke2H 7.f4H Kf3H 8.Kf1H Kxf4H
{EGTB} 9.Kf2! Ke4! 10.Ke2! f4! 11.Kf2! f3!
12.Kf1! Ke5 13.Kg1 Kf5! 14.Kf1! Ke4! 15.Kf2!
Kf4!! 16.Kf1! Kg3! 17.Kg1 Kxh3! 18.Kf2! Kg4!!
19.Kf1! h3 20.Kg1! Kf4! 21.Kf1 h2 22.Kf2 Ke4!
23.Ke1! f2+! 24.Kf1 h1=Q+! 25.Kxf2! Qh2+!
26.Kf1 Ke3 27.Ke1 Qe2# {1001}
351991068 5:45.5 Mat27 18. 1...Qxf3 2.gxf3 Kg5 3.Kh1 Kf4 4.Kg2 f5 5.Kf1
Kxf3 6.Kg1 Ke2 7.f4 Kf3 8.Kf1 Kxf4 {EGTB}
9.Kf2! Ke4! 10.Ke2! f4! 11.Kf2! f3! 12.Kf1! Ke5
13.Kg1 Kf5! 14.Kf1! Ke4! 15.Kf2! Kf4!! 16.Kf1!
Kg3! 17.Kg1 Kxh3! 18.Kf2! Kg4!! 19.Kf1! h3
20.Kg1! Kf4! 21.Kf1 h2 22.Kf2 Ke4! 23.Ke1! f2+!
24.Kf1 h1=Q+! 25.Kxf2! Qh2+! 26.Kf1 Ke3 27.Ke1
Qe2# {1001}
352145690 5:46.2 Mat24 19t 1...Qxf3 2.gxf3 Kg5 3.Kh1 Kf4 4.Kg2 f5 5.Kf1
Kxf3 6.Kg1 Ke2 7.f4 Kf3 8.Kf1 Kg3 9.Ke2 Kxh3
{EGTB} 10.Kf3! Kh2 11.Kf2! h3! 12.Kf1! Kg3!
13.Kg1! Kxf4! 14.Kf2 Kg4! 15.Kf1 f4 16.Kf2! f3!
17.Kg1! Kf4! 18.Kf1 h2 19.Kf2 Ke4! 20.Ke1! f2+!
21.Kf1 h1=Q+! 22.Kxf2! Qh2+! 23.Kf1 Ke3 24.Ke1
Qe2# {1001}
My current version can access KPPKP win/draw/loss info from RAM, and finds Qxf3
after 6 seconds (P4, 2.53 GHz):
5077122 5.305 4.00 14t 1...f5 2.Re3 Qf1 3.f3 Qf2 4.Re7 Kf6 5.Re8 Kf7
6.Rd8 f4 7.Rd6H Qg3+H 8.Kg1H {HT}
5841533 6.074 8.00 14++ 1...Qxf3 2.gxf3 Kg5 3.f4+ Kxf4 4.Kh1 Kf3 5.Kg1
f5 6.Kf1 f4 7.Kg1 Ke2 8.Kg2 f3+ 9.Kg1 Ke1
10.Kh2 Kxf2 {INTREC} 11.Kh1 Ke2! 12.Kh2 f2!
13.Kg2 f1=Q+! 14.Kh2 Qf4+ 15.Kg2 Qd4 16.Kh2
Kf1! 17.Kh1 Qg1#! {1001}
5850626 6.304 8.00 14t 1...Qxf3 2.gxf3 Kg5 3.f4+H Kxf4H 4.Kh1H Kf3H
5.Kg1H f5H 6.Kf1H f4H 7.Kg1H Ke2H 8.Kg2H f3+H
9.Kg1H Ke1H 10.Kh2H {0}
6246309 6.714 8.00 14. 1...Qxf3 2.gxf3 Kg5 3.f4+ Kxf4 4.Kh1 Kf3 5.Kg1
f5 6.Kf1 f4 7.Kg1 Ke2 8.Kg2 f3+ 9.Kg1 Ke1
10.Kh2 {0}
6261869 6.729 8.00 15t 1...Qxf3 2.gxf3 Kg5 3.f4+ Kxf4 4.Kh1 Kf3 5.Kg1
f5 6.Kf1 f4 7.Kg1 Ke2 8.Kg2 f3+ 9.Kg1 Ke1
10.Kh2 Kxf2 {HT} {80}
6956095 7.392 8.00 15. 1...Qxf3 2.gxf3 Kg5 3.f4+ Kxf4 4.Kh1 Kf3 5.Kg1
f5 6.Kf1 f4 7.Kg1 Ke2 8.Kg2 f3+ 9.Kg1 Ke1
10.Kh2 Kxf2 {HT} {80}
6960635 7.472 8.40 16++ 1...Qxf3 2.g3
6962610 7.496 9.42 16++ 1...Qxf3 2.Kh1
7333096 8.212 10.00 16t 1...Qxf3 2.gxf3 Kg5 3.Kh1 Kf4H 4.Kg1H Kxf3H
5.Kf1H f5H 6.Kg1H Ke2H 7.Kg2H f4H 8.Kg1H f3H
9.Kh2H Kxf2H 10.Kh1H {80}
9426284 11.559 10.00 16. 1...Qxf3 2.gxf3 Kg5 3.Kh1 Kf4 4.Kg1 Kxf3 5.Kf1
f5 6.Kg1 Ke2 7.Kg2 f4 8.Kg1 f3 9.Kh2 Kxf2
10.Kh1 {80}
9476385 11.666 10.00 17t 1...Qxf3 2.gxf3 Kg5 3.Kh1 Kf4 4.Kg1 Kxf3 5.Kf1
f5 6.Kg1 Ke2 7.Kg2 f4 8.Kg1 f3 9.Kh2 Kxf2
10.Kh1 {INTREC} 10...Ke2! 11.Kh2 f2! 12.Kg2
f1=Q+! 13.Kh2 Qf4+ 14.Kg2 Qd4 15.Kh2 Kf1!
16.Kh1 Qg1#! {1001}
13265523 18.759 10.00 17. 1...Qxf3 2.gxf3 Kg5 3.Kh1 Kf4 4.Kg1 Kxf3 5.Kf1
f5 6.Kg1 Ke2 7.Kg2 f4 8.Kg1 f3 9.Kh2 Kxf2
10.Kh1 {INTREC} 10...Ke2! 11.Kh2 f2! 12.Kg2
f1=Q+! 13.Kh2 Qf4+ 14.Kg2 Qd4 15.Kh2 Kf1!
16.Kh1 Qg1#! {1001}
13271935 18.830 10.40 18++ 1...Qxf3 2.Kh1
13279630 18.840 11.40 18++ 1...Qxf3 2.Kh1
13280491 18.859 20.46 18++ 1...Qxf3 2.Kh1
15988554 21.145 Mat24 18t 1...Qxf3 2.gxf3 Kg5 3.Kh1 Kf4 4.Kg1 Kxf3 5.Kf1
f5 6.Kg1 Ke2 7.f4H Kf3H 8.Kf1H Kg3H 9.Ke2H
Kxh3H {EGTB} 10.Kf3! Kh2 11.Kf2! h3! 12.Kf1!
Kg3! 13.Kg1! Kxf4! 14.Kf2 Kg4! 15.Kf1 f4
16.Kf2! f3! 17.Kg1! Kf4! 18.Kf1 h2 19.Kf2 Ke4!
20.Ke1! f2+! 21.Kf1 h1=Q+! 22.Kxf2! Qh2+!
23.Kf1 Ke3 24.Ke1 Qe2# {1001}
Regards,
Dieter
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