Author: chandler yergin
Date: 20:27:43 02/01/06
Go up one level in this thread
On January 31, 2006 at 13:15:16, Rob Basham wrote: >[D]3Q4/5q1k/4ppp1/2Kp1N1B/RR6/3P1r2/4nP1b/3b4 w - - 0 1 > >Hint...Give away all your pieces, but hang on to the pawn at d3....:-) > >Fritz 8 takes 2 min and 38 sec. to find... > >1. Rb7!...on my old computer....133 Mhz > >The solution is as beautiful as the problem! > >composed By C. Bayer...1856 > >Rob Thanks Rob for giving credit to the Composer! You are a Gentleman! Here is some analysis from various Engines. New game, [D]3Q4/5q1k/4ppp1/2Kp1N1B/RR6/3P1r2/4nP1b/3b4 w - - 0 1 Analysis by Rybka 1.0 Beta 32-bit: 1.Bxf3 +- (7.96) Depth: 3 00:00:00 1.Bxf3 +- (7.73) Depth: 4 00:00:00 1.Rb7 +- (320.00) Depth: 4 00:00:00 1.Rb7 Qxb7 +- (320.00) Depth: 4 00:00:00 (, 01.02.2006) Rybka stalled here... and I dodn't want to wait.. New game, [D]3Q4/5q1k/4ppp1/2Kp1N1B/RR6/3P1r2/4nP1b/3b4 w - - 0 1 Analysis by Fritz 5.32: 1.Bxf3! ³ (-0.66) Depth: 1/5 00:00:00 1.Bxf3 Bf4 2.Bxe2 Bxe2 3.Rxf4 exf5 +- (3.84) Depth: 4/22 00:00:00 13kN 1.Bxf3 Bf4 2.Bxe2 Bxe2 3.Rxf4 exf5 +- (3.84) Depth: 4/22 00:00:00 13kN 1.Bxf3 Bf4 2.Bxe2 Bxe2 3.Rxf4 exf5 +- (3.84) Depth: 4/22 00:00:00 13kN 1.Bxf3 Bf4 2.Bxe2 Bxe2 3.Rxf4 exf5 +- (3.84) Depth: 4/22 00:00:00 13kN 1.Bxf3 Bf4 2.Bxe2 Bxe2 3.Rxf4 exf5 +- (3.84) Depth: 4/22 00:00:00 13kN 1.Bxf3 Bf4 2.Bxe2 Bxe2 3.Rxf4 exf5 +- (3.84) Depth: 4/22 00:00:00 13kN 1.Bxf3! +- (4.16) Depth: 5/16 00:00:00 34kN 1.Bxf3 d4 2.Ra8 Qc7+ +- (4.44) Depth: 5/21 00:00:00 52kN 1.Bxf3! +- (4.75) Depth: 6/26 00:00:00 206kN 1.Bxf3 d4 2.Rb7 Qxb7 3.Bxb7 exf5 4.Qe7+ Kh6 +- (5.47) Depth: 6/26 00:00:00 299kN 1.Bxf3! +- (5.78) Depth: 7/25 00:00:00 493kN 1.Bxf3 Nf4 2.Ra8 g5 3.Bxd1 Nxd3+ 4.Kd4 Nf4 5.Bc2 exf5 +- (6.41) Depth: 7/27 00:00:00 905kN 1.Bxf3! +- (6.72) Depth: 8/27 00:00:01 1579kN 1.Bxf3 d4 2.Ra8 Qc7+ 3.Qxc7+ Bxc7 4.Bxe2 gxf5 5.Bxd1 e5 +- (7.00) Depth: 8/30 00:00:01 2721kN 1.Bxf3! +- (7.31) Depth: 9/32 00:00:03 7425kN 1.Bxf3 Nf4 2.Ra8 gxf5 3.Qh8+ Kg6 4.Rg8+ Qxg8 5.Qxg8+ Kh6 +- (7.56) Depth: 9/32 00:00:06 14757kN 1.Bxf3! +- (7.88) Depth: 10/32 00:00:12 29050kN 1.Bxf3 d4 2.Rb7 Qxb7 3.Bxb7 gxf5 4.Ra8 Bd6+ 5.Qxd6 e5 +- (9.47) Depth: 10/37 00:00:40 96498kN 1.Bxf3! +- (9.78) Depth: 11/38 00:01:04 156116kN 1.Bxf3 d4 2.Rb7 Qxb7 3.Bxb7 Bd6+ 4.Kxd6 gxf5 5.Ra1 Nc3 +- (9.88) Depth: 11/38 00:01:20 195424kN (, 01.02.2006) Fritz stalled here.. and I didn't want to wait.. New game, [D]3Q4/5q1k/4ppp1/2Kp1N1B/RR6/3P1r2/4nP1b/3b4 w - - 0 1 Analysis by Shredder 8: 1.Bxf3 Bxa4 ³ (-0.32) Depth: 1/2 00:00:27 1.Rb7 Qxb7 +- (#9) Depth: 2/2 00:00:27 1.Rb7 Qxb7 +- (#9) Depth: 2/2 00:00:27 1.Rb7 Qxb7 +- (#9) Depth: 2/2 00:00:27 1.Rb7 Qxb7 +- (#9) Depth: 2/2 00:00:27 1.Rb7 Qxb7 +- (#9) Depth: 2/2 00:00:27 1.Rb7 Qxb7 +- (#9) Depth: 3/3 00:00:27 1.Rb7 Qxb7 +- (#9) Depth: 4/4 00:00:28 1.Rb7 Qxb7 +- (#9) Depth: 5/5 00:00:28 1.Rb7 Qxb7 +- (#9) Depth: 6/6 00:00:28 1.Rb7 Qxb7 +- (#9) Depth: 7/7 00:00:32 1.Rb7 Qxb7 +- (#9) Depth: 8/8 00:00:33 1kN 1.Rb7 Qxb7 +- (#9) Depth: 9/9 00:00:36 2kN 1.Rb7 Qxb7 +- (#9) Depth: 10/10 00:00:41 4kN 1.Rb7 Qxb7 +- (#9) Depth: 11/11 00:00:49 11kN 1.Rb7 Qxb7 +- (#9) Depth: 12/12 00:00:59 20kN 1.Rb7 Qxb7 +- (#9) Depth: 13/13 00:01:08 35kN 1.Rb7 Qxb7 +- (#9) Depth: 14/14 00:01:15 62kN 1.Rb7 Qxb7 +- (#9) Depth: 15/15 00:01:20 101kN 1.Rb7 Qxb7 +- (#9) Depth: 16/16 00:01:23 166kN 1.Rb7 Qxb7 +- (#9) Depth: 17/17 00:01:24 271kN (, 01.02.2006) Shredder stalled here and I didn't want to wait.. New game, [D]3Q4/5q1k/4ppp1/2Kp1N1B/RR6/3P1r2/4nP1b/3b4 w - - 0 1 Analysis by Hiarcs 8: 1.Bxf3 Nf4 2.Nd6 Qg7 3.Rxf4 Bxf4 4.Rxf4 Bxf3 5.Rxf3 +- (6.31) Depth: 4/17 00:00:00 1.Bxf3 Nf4 2.Nd6 Qg7 3.Rxf4 Bxf4 4.Rxf4 Bxf3 5.Rxf3 +- (6.31) Depth: 4/17 00:00:00 1.Bxf3 Nf4 2.Nd6 Qg7 3.Rxf4 Bxf4 4.Rxf4 Bxf3 5.Rxf3 +- (6.31) Depth: 4/17 00:00:00 1.Bxf3 Nf4 2.Nd6 Qg7 3.Rxf4 Bxf4 4.Rxf4 Bxf3 5.Rxf3 +- (6.31) Depth: 4/17 00:00:00 1.Bxf3 Nf4 2.Nd6 Qg7 3.Rxf4 Bxf4 4.Rxf4 Bxf3 5.Rxf3 +- (6.31) Depth: 4/17 00:00:00 1.Bxf3 Nf4 2.Nd6 Qg7 3.Rxf4 Bxf4 4.Rxf4 Bxf3 5.Rxf3 +- (6.31) Depth: 4/17 00:00:00 1.Bxf3 Ng3 +- (6.56) Depth: 5/18 00:00:00 22kN 1.Bxf3 g5 2.Rh4+ +- (8.36) Depth: 5/25 00:00:00 49kN 1.Bxf3 Nf4 2.Ra8 Nxd3+ 3.Kd4 gxf5 4.Qh8+ +- (8.77) Depth: 7/25 00:00:01 188kN 1.Bxf3 Nf4 +- (9.02) Depth: 7/25 00:00:01 252kN 1.Bxf3 Nf4 +- (9.02) Depth: 7/25 00:00:01 252kN 1.Bxf3 Nf4 2.Ra8 Nxd3+ 3.Kd4 gxf5 4.Qh8+ Kg6 5.Bxd1 Nxb4 6.Bh5+ +- (9.26) Depth: 7/30 00:00:02 466kN 1.Rb7 Qxb7 2.Bxg6+ Kxg6 3.Qg8+ Kxf5 4.Qg4+ Ke5 5.d4+ Nxd4 6.Qxd4+ Kf5 7.Qg4+ Ke5 8.Qh5+ Rf5 9.Qxh2+ Rf4 10.Qxf4# +- (#10) Depth: 7/30 00:00:03 618kN 1.Rb7 Qxb7 2.Bxg6+ Kxg6 3.Qg8+ Kxf5 4.Qg4+ Ke5 5.d4+ Nxd4 6.Qxd4+ Kf5 7.Qg4+ Ke5 8.Qh5+ Rf5 9.Qxh2+ Rf4 10.Qxf4# +- (#10) Depth: 7/30 00:00:04 1002kN (, 01.02.2006) Hiarcs didn't stall but found it a Mate in 4 seconds! I could let it run longer.. and maybe it will find Mate in 9
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