Author: Christophe Theron
Date: 11:33:57 06/18/02
Go up one level in this thread
On June 18, 2002 at 13:25:04, pavel wrote:
Any mention of solution times is pretty worthless if you do not say on WHAT
COMPUTER.
Still using an Apple II @ 2MHz?
Or a Pentium II - 233MHz?
Or a 3GHz Athlon?
Are we supposed to guess?
Christophe
>On June 18, 2002 at 12:30:13, Charlie GOLD wrote:
>
>> Here is a position that I gave to Fritz 6. After 7 minutes on infinite it
>>only comes up with Rxf4. I believe that Rxh5 leads to a win.
>> [D] 4r1k1/qp1r1p2/2pb1Bp1/p6p/2PP1n1R/1P3P2/P4P2/2Q2K1R w 0 1
>
>New game
>4r1k1/qp1r1p2/2pb1Bp1/p6p/2PP1n1R/1P3P2/P4P2/2Q2K1R w - - 0 1
>
>Analysis by Little Goliath 2000 v3.5c:
>
>1.Rxf4 Bxf4 2.Qxf4 Qb6
> -+ (-2.28) Depth: 6/15 00:00:00 14kN
>1.Rxf4 Bxf4 2.Qxf4 Qb6 3.Kg2
> -+ (-2.10) Depth: 6/15 00:00:00 17kN
>1.Rxf4 Bxf4 2.Qxf4 Qb6 3.Kg2
> -+ (-2.45) Depth: 7/19 00:00:01 47kN
>1.Rxf4 Bxf4 2.Qxf4 Re6 3.Kg2 Re2
> -+ (-2.49) Depth: 7/19 00:00:01 52kN
>1.Rxf4 Bxf4 2.Qxf4 Re6 3.Kg2 Re2
> -+ (-2.19) Depth: 8/25 00:00:03 246kN
>1.Rxf4 Re6 2.Rf5 Be7 3.Qg5 Bxf6 4.Rxf6 Rxf6 5.Qxf6 Rxd4
> -+ (-1.67) Depth: 8/25 00:00:03 422kN
>1.Rxh5
> -+ (-1.56) Depth: 8/29 00:00:03 1760kN
>1.Rxh5 gxh5 2.Qxf4 Bxf4 3.Rxh5 Re1+ 4.Kxe1 Bh6 5.Rxh6 Re7+ 6.Bxe7 Qxd4 7.Bf6 Qf4
> ³ (-0.42) Depth: 8/29 00:00:03 2331kN
>1.Rxh5 gxh5 2.Qxf4 Bxf4 3.Rxh5 Re1+ 4.Kxe1 Bh6 5.Rxh6 Re7+ 6.Bxe7 Qxd4 7.Bf6 Qf4
> = (-0.12) Depth: 9/37 00:00:04 4609kN
>1.Rxh5 gxh5 2.Qxf4 Bxf4 3.Rxh5 Re1+ 4.Kxe1 Bh6 5.Rxh6 Re7+ 6.Bxe7 Qxd4 7.Bf6 Qf4
> ² (0.68) Depth: 9/37 00:00:04 6087kN
>1.Rxh5 Re1+ 2.Qxe1 Nxh5 3.Rxh5
> +- (2.25) Depth: 9/37 00:00:16 19458kN
>1.Rxh5 Re1+ 2.Qxe1 Nxh5 3.Rxh5
> +- (2.55) Depth: 10/37 00:00:18 22646kN
>1.Rxh5 Re1+ 2.Qxe1 Nxh5 3.Rxh5
> +- (3.35) Depth: 10/37 00:00:20 25717kN
>1.Rxh5 Re1+ 2.Kxe1 Re7+ 3.Kf1 gxh5 4.Qxf4 Re1+
> +- (5.96) Depth: 10/37 00:00:24 33035kN
>1.Rxh5 Re1+ 2.Kxe1 Re7+ 3.Kf1 gxh5 4.Qxf4 Re1+
> +- (6.26) Depth: 11/37 00:00:31 45492kN
>1.Rxh5 Re1+ 2.Kxe1 Re7+ 3.Kf1 gxh5 4.Qxf4 Re1+
> +- (7.06) Depth: 11/37 00:00:37 55776kN
>
>(Mahamood, home 18.06.2002)
>
>
>finds it in 3seconds
>
>
>New game
>4r1k1/qp1r1p2/2pb1Bp1/p6p/2PP1n1R/1P3P2/P4P2/2Q2K1R w - - 0 1
>
>Analysis by Shredder 6.02:
>
>1.Rxf4 Bxf4 2.Qxf4 Qxd4
> -+ (-5.65) Depth: 1/2 00:00:00
>1.Rxf4 Bxf4 2.Qxf4 Rxd4
> -+ (-4.90) Depth: 1/2 00:00:00
>1.Rxf4 Bxf4 2.Qxf4 Rxd4 3.Bxd4
> -+ (-3.65) Depth: 1/2 00:00:00
>1.Rxf4 Bxf4 2.Qxf4 Rxd4 3.Bxd4
> -+ (-3.65) Depth: 2/4 00:00:00
>1.Rxf4 Bxf4 2.Qxf4 Rxd4 3.Bxd4
> -+ (-3.65) Depth: 3/6 00:00:00
>1.Rxf4 Bxf4 2.Qxf4 b6
> -+ (-3.59) Depth: 4/8 00:00:00
>1.Rxf4 Qxd4 2.Bxd4 Bxf4
> -+ (-3.34) Depth: 5/10 00:00:00
>1.Rxf4 Bxf4 2.Be5 Bxc1
> -+ (-3.34) Depth: 5/10 00:00:00
>1.Rxf4 Re6 2.Kg2 Bxf4 3.Qxf4 Re2
> -+ (-3.30) Depth: 6/12 00:00:00
>1.Rxf4 Re6 2.Kg2 Qxd4 3.Bxd4 Bxf4
> -+ (-3.05) Depth: 7/14 00:00:00 42kN
>1.Rxf4 Re6 2.Rf5 Qxd4 3.Bxd4 Re1+ 4.Kxe1
> -+ (-2.55) Depth: 7/14 00:00:00 71kN
>1.Rxf4 Bxf4 2.Qxf4 Re6 3.Qh6 Rxf6 4.Rxh5 gxh5 5.Qh8+ Kxh8
> -+ (-2.55) Depth: 7/14 00:00:01 88kN
>1.Rxf4 Bxf4 2.Rxh5 gxh5 3.Qxf4 Kf8 4.Qg5 Rdd8 5.Qg7#
> -+ (-2.30) Depth: 8/16 00:00:01 241kN
>1.Rxf4 Re6 2.Rf5 Be7 3.Qg5 Bxf6 4.Rxf6 Rxf6 5.Qxf6 Qxd4
> -+ (-1.98) Depth: 8/16 00:00:02 312kN
>1.Rxh5 gxh5 2.Rxh5 Re1+ 3.Kxe1 Nxh5 4.Qg5+ Kf8 5.Qxh5 Re7+ 6.Bxe7+ Ke8
> -+ (-1.97) Depth: 8/16 00:00:09 2020kN
>1.Rxh5 gxh5 2.Rxh5 Re1+ 3.Kxe1 Nxh5 4.Qg5+ Kf8 5.Qxh5 Re7+ 6.Bxe7+ Kxe7 7.Qg5+
>Ke8 8.Qg8+ Bf8
> -+ (-1.75) Depth: 8/16 00:00:11 2402kN
>1.Rxh5 gxh5 2.Rxh5 Re1+ 3.Kxe1 Nxh5 4.Qg5+ Kf8 5.Qxh5 Re7+ 6.Kf1 Ke8 7.Qh8+ Kd7
>8.Bxe7 Bxe7 9.Qe5
> -+ (-1.62) Depth: 9/18 00:00:13 2860kN
>
>(Mahamood, home 18.06.2002)
>
>
>finds it in 9sec.
>
>
>New game
>4r1k1/qp1r1p2/2pb1Bp1/p6p/2PP1n1R/1P3P2/P4P2/2Q2K1R w - - 0 1
>
>Analysis by Nimzo 8:
>
>1.a3
> -+ (-5.59) Depth: 1/11 00:00:00
>1.a4
> -+ (-5.53) Depth: 1/11 00:00:00
>1.a4
> -+ (-5.53) Depth: 1/11 00:00:00
>1.d5
> -+ (-5.24) Depth: 1/11 00:00:00
>1.d5
> -+ (-5.24) Depth: 1/11 00:00:00
>1.Rxf4
> -+ (-1.90) Depth: 1/11 00:00:00
>1.Rxf4
> -+ (-2.83) Depth: 1/11 00:00:00
>1.Rxf4 Bxf4 2.Qxf4
> -+ (-2.90) Depth: 3/14 00:00:00
>1.Rxf4
> -+ (-2.65) Depth: 5/17 00:00:00
>1.Rxf4 Bxf4 2.Qxf4 Re6 3.Be5 b5
> -+ (-2.61) Depth: 5/17 00:00:00
>1.Rxf4 Bxf4 2.Qxf4 Re6 3.a4 Rdd6 4.Be5
> -+ (-2.61) Depth: 6/19 00:00:00 31kN
>1.Rxf4
> -+ (-2.36) Depth: 7/20 00:00:00 31kN
>1.Rxf4 Re6 2.Rf5 Be7 3.Bxe7 gxf5 4.Qg5+ Rg6
> -+ (-1.95) Depth: 7/20 00:00:00 31kN
>1.Rxf4
> -+ (-1.70) Depth: 8/22 00:00:01 546kN
>1.Rxf4
> µ (-1.10) Depth: 8/22 00:00:01 546kN
>1.Rxf4 Re6 2.Rf5 Be7 3.Bxe7 Qxd4 4.Rg5 Qd1+ 5.Kg2 Qxc1
> µ (-0.96) Depth: 8/22 00:00:01 546kN
>1.Qxf4
> µ (-0.95) Depth: 8/22 00:00:02 1265kN
>1.Qxf4 Bxf4 2.Rxh5 Re1+ 3.Kxe1 Bd2+ 4.Kxd2 Rxd4+ 5.Kc1 Rd1+ 6.Kxd1
> ³ (-0.47) Depth: 8/22 00:00:03 1265kN
>1.Qxf4
> = (-0.22) Depth: 9/23 00:00:04 1869kN
>1.Qxf4
> ² (0.38) Depth: 9/23 00:00:04 2543kN
>1.Qxf4 Bxf4 2.Rxh5 Re1+ 3.Kg2 gxh5 4.Rxh5 Bh6 5.Rxa5
> ² (0.37) Depth: 9/23 00:00:04 2543kN
>1.Rxh5
> ² (0.38) Depth: 9/23 00:00:05 3223kN
>1.Rxh5
> ± (0.98) Depth: 9/23 00:00:06 3223kN
>1.Rxh5
> +- (3.38) Depth: 9/23 00:00:08 5324kN
>1.Rxh5 gxh5 2.Qxf4 Bxf4 3.Rxh5 Re1+ 4.Kxe1 Qc5 5.dxc5
> +- (6.77) Depth: 9/23 00:00:11 7335kN
>
>(Mahamood, home 18.06.2002)
>
>
>finds it in 5seconds
>
>New game
>4r1k1/qp1r1p2/2pb1Bp1/p6p/2PP1n1R/1P3P2/P4P2/2Q2K1R w - - 0 1
>
>Analysis by Chess Tiger 14.0:
>
>1.Rxf4 Bxf4 2.Qxf4 Re6 3.Rg1 Kh7 4.Rg5 Qb6 5.Be5
> -+ (-1.58) Depth: 8 00:00:00 106kN
>1.Rxf4 Re6 2.Be5 Bxe5 3.dxe5 Qc5 4.Re4 Rxe5 5.Reh4
> µ (-1.26) Depth: 8 00:00:00 161kN
>1.Rxf4 Re6 2.Be5 Bxe5 3.dxe5 Qc5 4.Rfh4 Rxe5 5.f4 Red5
> µ (-1.34) Depth: 9 00:00:00 219kN
>1.Rxf4 Re6 2.d5 cxd5 3.cxd5 Qa6+ 4.Kg1 Rc7 5.Qd1 Bxf4 6.dxe6 Qxe6 7.Bh4
> µ (-1.38) Depth: 10 00:00:01 433kN
>1.Rxf4 Re6 2.Rf5 Be7 3.Bxe7 Qxd4 4.Rxa5 Qd1+ 5.Qxd1 Rxd1+ 6.Kg2 Rxh1 7.Kxh1 Rxe7
> -+ (-1.44) Depth: 11 00:00:03 984kN
>1.Rxh5
> ³ (-0.48) Depth: 11 00:00:15 4252kN
>1.Rxh5 gxh5 2.Qxf4 Re1+ 3.Kxe1 Re7+ 4.Kf1 Re1+ 5.Kxe1 Bb4+ 6.Kd1 Kf8 7.Qh6+ Ke8
>8.Rxh5
> +- (9.12) Depth: 11 00:00:40 11068kN
>
>(Mahamood, home 18.06.2002)
>
>
>
>15seconds.
>
>
>New game
>4r1k1/qp1r1p2/2pb1Bp1/p6p/2PP1n1R/1P3P2/P4P2/2Q2K1R w - - 0 1
>
>Analysis by Comet B41:
>
>1.Rxf4 Bxf4 2.Qxf4
> -+ (-2.53) Depth: 1/6 00:00:00
>1.Rxf4 Bxf4 2.Qxf4
> -+ (-2.53) Depth: 2/11 00:00:00
>1.Rxf4 Bxf4 2.Qxf4
> -+ (-2.53) Depth: 3/11 00:00:00
>1.Rxf4 Bxf4 2.Qxf4 Re5 3.dxe5 Rd1+ 4.Ke2 Rxh1
> -+ (-2.40) Depth: 4/13 00:00:00
>1.Rxf4 Bxf4 2.Qxf4
> -+ (-2.40) Depth: 4/13 00:00:00
>1.Rxf4 Bxf4 2.Qxf4 Re6 3.Be5 b6
> -+ (-2.41) Depth: 5/19 00:00:00 17kN
>1.Rxf4 Bxf4 2.Qxf4 Re1+ 3.Kxe1 Qa6
> -+ (-2.28) Depth: 6/20 00:00:00 58kN
>1.Rxf4 Bxf4 2.Qxf4 Re6 3.Kg1 Qa6
> -+ (-2.28) Depth: 6/20 00:00:00 60kN
>1.Rxf4 Bxf4 2.Qxf4 Re6 3.Kg2 Kf8
> -+ (-2.15) Depth: 7/21 00:00:00 218kN
>1.Rxf4 Bxf4 2.Qxf4 Re6 3.Kg2 b6 4.Be5
> -+ (-2.11) Depth: 7/21 00:00:00 241kN
>1.Rxf4 Bxf4 2.Rxh5 Qxd4 3.Bxd4 Re6
> -+ (-1.98) Depth: 8/29 00:00:02 669kN
>1.Rxf4 Bxf4 2.Rxh5 Qxd4 3.Bxd4 Re6
> -+ (-1.71) Depth: 8/29 00:00:03 1041kN
>1.Rxf4 Re6 2.d5 cxd5 3.cxd5 Rc7 4.Rfh4 Rxc1+ 5.Kg2
> -+ (-1.59) Depth: 8/30 00:00:04 1398kN
>1.Rxf4 Re6 2.d5 cxd5 3.cxd5 Rc7 4.Rfh4 Rxc1+ 5.Kg2
> -+ (-1.73) Depth: 9/30 00:00:04 1656kN
>1.Rxh5 gxh5 2.Qxf4 Qxd4 3.Qxd4 Rc8
> -+ (-1.46) Depth: 9/33 00:00:17 7726kN
>
>(Mahamood, home 18.06.2002)
>
>
>17seconds.
>
>
>
>
>seems preety easy for most computers.
>Some thinks Qxf4 is good, any idea why?
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