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Subject: Re: Mate found by Rybka in 3 sec

Author: Vincent Lejeune

Date: 16:08:40 12/12/05

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Without EGTBs !!! ;o)

On December 12, 2005 at 19:00:44, Aaron Gordon wrote:

>You didn't specify to use EGTBs or not, so I used them anyway. :)
>
>Athlon 64 2.7GHz, 256mb hash, Win 64, etc..
>
>[D]5R2/6p1/8/8/1P3n1r/5k2/8/6K1 b - - 0 1
>
>Analysis by Hiarcs 9:
>
>1...Rh5 2.Rf7 g6 3.Rf6 Rb5 4.Rc6 Ne2+ 5.Kf1 Rxb4
>  -+  (-5.11)   Depth: 9/23   00:00:00  136kN, tb=156
>1...Rh5 2.Rf7 g6 3.Rf6 Rb5 4.Rc6 Ne2+ 5.Kf1 Rxb4
>  -+  (-5.36)   Depth: 10/23   00:00:00  164kN, tb=225
>1...Rh5 2.Rf7 g6 3.Rf6 Rd5 4.Kh2 Rd2+ 5.Kg1 Kg3 6.Rxf4 Kxf4
>  -+  (-6.27)   Depth: 10/27   00:00:00  285kN, tb=452
>1...Rh5 2.Rf7 g6 3.Rf6 Rd5 4.Kh2 Rd2+ 5.Kg1 Kg3 6.Rxf4 Kxf4
>  -+  (-7.48)   Depth: 11/27   00:00:00  367kN, tb=601
>1...Rh5 2.Rf7 g6 3.Rf6 Rd5 4.Kh2 Rf5 5.Kg1 Rxf6
>  -+  (-9.28)   Depth: 11/27   00:00:00  418kN, tb=694
>1...Rh5 2.Rf7 g6 3.Rf6 Rd5 4.Kh2 Rf5 5.Kg1 Rxf6
>  -+  (-9.53)   Depth: 12/27   00:00:00  586kN, tb=979
>1...Rh5 2.Rf7 g6 3.Rf6 Rd5 4.Kh2 Rf5 5.Kg1 Rxf6
>  -+  (-#19)   Depth: 12/27   00:00:00  604kN, tb=1027
>1...Rh5 2.Rf7 g6 3.Rf8 Rd5
>  -+  (-#14)   Depth: 12/29   00:00:00  1044kN, tb=1606
>1...Rh5 2.Rf7 g6 3.Rf8 Rd5
>  -+  (-#14)   Depth: 13/29   00:00:01  1491kN, tb=2206
>1...Rh5 2.Rf7 g6 3.Rf8 Rd5
>  -+  (-#14)   Depth: 14/35   00:00:02  3189kN, tb=5289
>1...Rh5 2.Rf7 g6 3.Rf8 Rd5
>  -+  (-#14)   Depth: 15/39   00:00:06  7950kN, tb=13672
>
>
>Shredder 9.1 UCI finds it as well, but slower..
>
>00:00:01.2	6.99	13	343019	Rh5 Rf7 g6 Rf8 Rb5 Ra8 Rxb4 Ra3+ Kg4 Ra2 Rb1+ Kf2 g5
>Ra5
>00:00:02.3	7.00	14	547018	Rh5 Rf7 g6 Rf8 Rb5 Ra8 Rxb4 Ra3+ Kg4 Kf2 Rb2+ Ke3 Re2+
>Kd4 g5 Ra1 Kf3
>00:00:03.2	7.25	15	1169795	Rh5 Rf7
>00:00:03.7	7.70	15	1380174	Rh5 Rf7 g6 Rf6 Rg5+ Kf1 Rd5 Ke1 g5 Rf7 g4 Rf8 g3 b5
>Rxb5 Kf1
>00:00:04.6	7.95	16	1702158	Rh5 Rf7
>00:00:04.7	8.45	16	1738210	Rh5 Rf7
>00:00:05.1	 Mate in 14	16	2000460	Rh5 Rf7 g6 Rf6 Rd5 Rf7 Kg3 Rxf4 Kxf4
>00:00:05.5	 Mate in 14	17	2264401	Rh5 Rf7 g6 Rf6 Rd5 Rf7 Kg3 Rxf4 Kxf4
>00:00:06.7	 Mate in 14	18	2800222	Rh5 Rf7 g6 Rf6 Rd5 Rf7 Kg3 Rxf4 Kxf4
>00:00:08.8	 Mate in 14	19	3795277	Rh5 Rf7 g6 Rf6 Rd5 Rf7 Kg3 Rxf4 Kxf4
>00:00:11.7	 Mate in 13	19	5263345	g5
>00:00:30.2	 Mate in 11	19	26993248	g5 b5 g4 b6 Rh7 Rxf4+ Kxf4
>00:00:31.9	 Mate in 11	20	29064991	g5 b5 g4 b6 Rh7 Rxf4+ Kxf4
>
>
>Fruit 2.2.1
>
>00:00:00.1	4.98	10	92951	Rh6 Rf7 g5 Rf8 Rb6 Rc8 Rxb4 Rc3+ Ke4 Rc2 g4
>00:00:00.2	9.49	11	204125	Rh6 Rf7 g5 Rf8 Rd6 Rh8 Kg3 Rh3+ Nxh3+ Kf1 Nf4 Ke1 Nd3+
>Ke2 Nxb4
>00:00:00.4	10.39	12	460799	Rh6 Rf7 g5 Rf5 Rd6 Kh2 Rd2+ Kg1 Rd1+ Kh2 g4 Rg5 Rd2+
>Kh1 g3 Rd5 Nxd5
>00:00:01.6	 Mate in 15	13	2169485	Rh6 Rf7 g5 b5 g4 Rf8 g3 Rf7 g2 Rxf4+ Kxf4
>00:00:12.2	 Mate in 15	14	17418894	Rh6 b5 g5 Re8 Ne2+ Rxe2 Kxe2
>00:00:30.9	 Mate in 12	15	45891497	Rh6 b5 Rd6 b6 Rxb6 Kh2 g5 Rf5 Rb2+ Kg1 Rb1+
>Kh2 g4 Rg5 Rb2+ Kh1 g3 Rb5 Rh2+ Kg1 Ne2+ Kf1 Rh1#
>00:00:56.3	 Mate in 12	16	86153304	Rh6 b5 Rd6 Re8 Ne2+ Rxe2 Kxe2



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