Author: Uri Blass
Date: 23:54:42 11/20/05
Go up one level in this thread
On November 21, 2005 at 00:57:13, enrico carrisco wrote: >On November 21, 2005 at 00:07:38, A. Steen wrote: > >>On November 20, 2005 at 23:23:14, enrico carrisco wrote: >> >>>On November 20, 2005 at 23:03:44, A. Steen wrote: >>> >>>>On November 20, 2005 at 22:42:02, enrico carrisco wrote: >> >> >> ::: snipped ten examples of engines analysing a KRK position; all found the >>best move (Ke3) immediately in a tiny fraction of a second and gave it a high >>evaluation ::: >> >> >>>>>Please -- will the die-hard "EGTB files are a waste" believers please stand-up. >>>>> >>>>>Regards, >>>>> >>>>>Enrico. >>>> >>>> >>>>I think EGTBs are useful, but I think your examples illustrate the opposite of >>>>what you are trying to prove. :) >>>> >>> >>>Or perhaps you miss my point and need a clearer path of explanation. >> >>We'll see what I missed. :) > >Or what I missed... And why it is clear to me that I should have put forth a >more solid (and clear) foundation to begin with. Then, the obvious point that >the position is "won" would not arise. > >http://www.talkchess.com/forums/1/message.html?463265 > >> >>>>Good chess engines are not optimised mate-finders, but optimised win-finders, >>>>and there is a big difference! >>> >>>So, after viewing the example below, your definition of win-finder would be >>>taking the scenic route? Your statement is nonsense as finding mate is >winning. >> >>My statement is not "nonsense". :) >> >>You are confusing at least four potentially distinct things: >>*a) winning by the fastest method available, and knowing it is fastest and a >>100% sure win (i.e. a seen mate) >>*b) winning by the fastest method available but not knowing it is fastest or a >>100% sure win >>*c) winning by a more "scenic route" and knowing it is a 100% sure win (a seen >>mate) >>*d) winning by a more "scenic route" and not knowing it is a 100% sure win. >> >>A tablebase result would be of type (a). >> >>All your chosen engine analysis examples were of type (b), with the move found >>(and potentially made, if the TC was demanding enough) as fast as a tablebase >>lookup would be. Whether directly (root position) or while carrying out an >>evaluation/search. >> >>So in the single position example given by you, the EGTBs have no advantage. >> >>Had you chosen examples of types (c) or (d), you may likely have had a point. >> >>But you did not. >> >>Whether the program knows or not it is a fastest win is usually irrelevant as >>long as it makes the perfect move fast enough. As Rhett Butler put it: "Frankly >>my dear, I don't give a damn." In a manner of speaking. > >So, in your words, it is unimportant if 21 extra moves are made as long as they >are made "fast enough." Unfortunately, I think many would "give a damn", >especially if trying to analyze a position for greater insight. (Especially a >self-proclaimed "almost patzer.") Or is it genius? (See: >http://www.talkchess.com/forums/1/message.html?463281) > >Here's another example -- perhaps you will find it a worthy one: > >With EGTBs it finds an instant mate in 14 (Rg6.) Without, however: > >[D]8/1k6/8/8/8/8/6R1/7K w - - 0 1 > >Analysis by Fruit 2.2.1: > >1.Kg1 > +- (5.00) Depth: 1/1 00:00:00 >1.Kg1 Kc6 > +- (5.03) Depth: 2/4 00:00:00 >1.Kg1 Kc6 2.Kf1 > +- (4.95) Depth: 3/6 00:00:00 >1.Rb2+ Kc6 2.Kg2 Kd5 3.Rb5+ Kd4 > +- (5.09) Depth: 3/8 00:00:00 >1.Rb2+ Kc6 2.Kg2 Kd5 3.Rb5+ Kd4 > +- (5.09) Depth: 4/9 00:00:00 >1.Kg1 Kc6 2.Kf2 Kd6 3.Rg6+ Kd5 > +- (5.18) Depth: 4/9 00:00:00 >1.Rg6 Kc7 2.Kg2 Kd7 > +- (5.21) Depth: 4/9 00:00:00 >1.Rg6 Kc7 2.Kg2 Kd7 3.Kf3 > +- (5.25) Depth: 5/9 00:00:00 >1.Rb2+ Kc6 2.Kg2 Kd6 3.Kf3 Ke5 4.Re2+ Kd5 > +- (5.28) Depth: 5/10 00:00:00 >1.Rb2+ Kc6 2.Kg2 Kd6 3.Kf3 Ke5 4.Re2+ Kd5 > +- (5.28) Depth: 6/12 00:00:00 21kN >1.Rg6 Kc7 2.Kg2 Kd7 3.Kf3 Ke7 > +- (5.47) Depth: 6/12 00:00:00 22kN >1.Rg6 Kc7 2.Kh2 Kb7 3.Kg3 Kc8 4.Rg7 > +- (5.73) Depth: 7/12 00:00:00 52kN >1.Rg6 Kc7 2.Kh2 Kb7 3.Kg3 Kc8 4.Rg7 Kd8 > +- (5.86) Depth: 8/14 00:00:01 156kN >1.Rg6 Kc7 2.Kh2 Kb7 3.Kg3 Kc8 4.Rg7 Kd8 5.Kf4 > +- (5.95) Depth: 9/16 00:00:01 472kN >1.Rg6 Kc8 2.Rg7 Kd8 3.Kg2 Ke8 4.Kf2 Kd8 5.Ke3 Ke8 > +- (6.16) Depth: 10/18 00:00:01 1323kN >1.Rg6 Kc8 2.Rg7 Kd8 3.Kg2 Ke8 4.Rb7 Kf8 5.Kg3 Kg8 6.Kf4 > +- (6.14) Depth: 11/18 00:00:01 1560kN >1.Rg6 Kc7 2.Kh2 Kb7 3.Rh6 Ka7 4.Kg2 Kb8 5.Kf3 Kc8 6.Rh7 Kd8 > +- (6.06) Depth: 12/20 00:00:04 9878kN >1.Rg6 Kc7 2.Kg2 Kd7 3.Kf3 Ke7 4.Ke4 Kf7 5.Rd6 Kg7 6.Kf5 Kf7 7.Rd7+ Ke8 > +- (6.16) Depth: 13/22 00:00:14 34907kN >1.Rg6 Kc7 2.Kg2 Kd7 3.Kf3 Ke7 4.Ra6 Kd7 5.Ke4 Kc7 6.Kd3 Kd8 7.Ra7 Ke8 > +- (6.16) Depth: 14/24 00:00:23 55353kN >1.Rg6 Kc7 2.Kg2 Kd7 3.Kf3 Ke7 4.Kf4 Kf7 5.Rc6 Ke7 6.Ke5 Kd7 7.Rc4 Ke7 8.Rc7+ Kd8 > +- (6.25) Depth: 15/24 00:00:46 109994kN >1.Rg6 Kc7 2.Kg2 Kd7 3.Kf3 Ke7 4.Kf4 Kf7 5.Rd6 Kg7 6.Rb6 Kh7 7.Ra6 Kg8 8.Ra7 Kf8 > +- (6.26) Depth: 16/26 00:01:54 270223kN >1.Kg1 Ka6 2.Kf2 Ka5 3.Rg5+ Kb6 4.Ke3 Kc7 5.Rb5 Kd8 6.Rd5+ Ke8 7.Kf4 Kf8 8.Re5 >Kg8 9.Re7 Kf8 > +- (6.27) Depth: 16/26 00:02:41 389657kN >1.Rg4 Kb6 2.Kg2 Kc6 3.Kf3 Kd7 4.Rd4+ Ke6 5.Kf4 Ke7 6.Kf5 Kf7 7.Rd7+ Ke8 8.Ke6 >Kf8 9.Rh7 Kg8 > +- (6.32) Depth: 16/26 00:03:11 463143kN >1.Rg4 Kb6 2.Kg2 Kc6 3.Kf3 Kd7 4.Rc4 Ke6 5.Kf4 Kd7 6.Ke5 Ke7 7.Rc7+ Kd8 8.Rg7 Kc8 >9.Kd6 Kb8 > +- (6.32) Depth: 17/28 00:03:49 552376kN >1.Rb2+ Kc6 2.Kg2 Kd6 3.Kf3 Kd7 4.Kf4 Kd6 5.Rd2+ Ke6 6.Rd3 Ke7 7.Ke5 Kf7 8.Rf3+ >Kg6 9.Rf6+ Kg7 10.Ke6 Kh8 11.Rf7 > +- (6.34) Depth: 17/28 00:06:11 900639kN >1.Rb2+ Kc6 2.Kg2 Kd6 3.Kf3 Kd7 4.Ke4 Kc6 5.Ke5 Kd7 6.Rc2 Ke7 7.Rc7+ Kd8 8.Rg7 >Kc8 9.Kd6 Kb8 10.Rc7 Ka8 > +- (6.55) Depth: 18/29 00:09:05 1339108kN > >-elc. Fruit learned from analysis of other lines not to find the mate and you do not start with clear hash. I have no idea what you changed but fruit with no tablebases and 512 mbytes hash does not need so many nodes to get depth 18 New game, 8/1k6/8/8/8/8/6R1/7K w - - 0 1 Analysis by Fruit 2.2.1: 1.Kg1 +- (5.00) Depth: 1/1 00:00:00 1.Kg1 Kc6 +- (5.03) Depth: 2/4 00:00:00 1.Kg1 Kc6 2.Kf1 +- (4.95) Depth: 3/6 00:00:00 1.Rb2+ Kc6 2.Kg2 Kd5 3.Rb5+ Kd4 +- (5.09) Depth: 3/6 00:00:00 1.Rb2+ Kc6 2.Kg2 Kd5 3.Rb5+ Kd4 +- (5.09) Depth: 4/9 00:00:00 1.Kg1 Kc6 2.Kf2 Kd6 3.Rg6+ Kd5 +- (5.18) Depth: 4/9 00:00:00 1.Rc2 Kb6 2.Kg2 Kb5 +- (5.20) Depth: 4/9 00:00:00 1.Rg6 Kc7 2.Kg2 Kd7 +- (5.21) Depth: 4/9 00:00:00 1.Rg6 Kc7 2.Kg2 Kd7 3.Kf3 +- (5.25) Depth: 5/9 00:00:00 1.Rb2+ Kc6 2.Kg2 Kd5 3.Kf3 Kd4 +- (5.28) Depth: 5/10 00:00:00 1.Rb2+ Kc6 2.Kg2 Kd5 3.Kf3 Kd4 4.Rd2+ Ke5 +- (5.28) Depth: 6/12 00:00:00 12kN 1.Rg6 Kc7 2.Kg2 Kd7 3.Kf3 Ke7 +- (5.47) Depth: 6/12 00:00:00 13kN 1.Rg6 Kc7 2.Kg2 Kd7 3.Kf3 Ke7 4.Ke4 +- (5.45) Depth: 7/12 00:00:00 23kN 1.Rb2+ Kc6 2.Kg2 Kd5 3.Kf3 Kd4 4.Kf4 Kd5 5.Rd2+ Kc5 +- (5.47) Depth: 7/12 00:00:01 31kN 1.Rb2+ Kc6 2.Kg2 Kd5 3.Kf3 Kd4 4.Rd2+ Ke5 5.Ke3 Ke6 +- (5.47) Depth: 8/14 00:00:01 56kN 1.Rg6 Kc7 2.Kg2 Kd7 3.Kf3 Ke7 4.Ke4 Kd7 +- (5.66) Depth: 8/14 00:00:01 60kN 1.Rg6 Kc7 2.Kg2 Kd7 3.Kf3 Ke7 4.Ke4 Kf7 5.Rd6 +- (5.55) Depth: 9/14 00:00:01 106kN 1.Rc2 Kb6 2.Kg2 Kb5 3.Kf3 Kb4 4.Ke4 Kb5 5.Rb2+ Kc5 +- (5.56) Depth: 9/16 00:00:01 132kN 1.Rd2 Kc6 2.Kg2 Kc5 3.Kf3 Kc6 4.Ke4 Kc7 5.Rc2+ Kd6 +- (5.57) Depth: 9/16 00:00:01 169kN 1.Rd2 Kc6 2.Kg2 Kc5 3.Kf3 Kb5 4.Ke4 Kb4 5.Kd4 Kb3 +- (5.60) Depth: 10/16 00:00:01 193kN 1.Rc2 Kb6 2.Kg2 Kb5 3.Kf3 Kb4 4.Ke4 Kb3 5.Rc1 Kb4 +- (5.67) Depth: 10/16 00:00:01 197kN 1.Rc2 Kb6 2.Kg2 Kb5 3.Kf3 Kb4 4.Ke4 Kb3 5.Rg2 Kb4 6.Rb2+ Kc5 7.Rc2+ Kd6 +- (5.57) Depth: 11/18 00:00:01 501kN 1.Rd2 Kc6 2.Kg2 Kc5 3.Kf3 Kb5 4.Ke4 Kb4 5.Rd4+ Kc5 6.Rd8 Kb5 +- (5.66) Depth: 11/18 00:00:01 572kN 1.Rd2 Kc6 2.Kg2 Kc5 3.Kf3 Kb5 4.Ke4 Kc6 5.Rd5 Kb6 6.Rf5 Kc6 +- (5.67) Depth: 12/18 00:00:02 940kN 1.Rc2 Kb6 2.Kg2 Kb5 3.Kf3 Kb4 4.Rc1 Kb5 5.Ke4 Kb4 6.Kd5 Kb3 +- (5.78) Depth: 12/18 00:00:02 964kN 1.Rc2 Kb6 2.Kg2 Kb5 3.Kf3 Kb4 4.Ke4 Kb3 5.Rc7 Kb4 6.Kd5 Kb3 7.Rb7+ Kc3 +- (5.68) Depth: 13/21 00:00:02 1739kN 1.Rc2 Kb6 2.Kg2 Kb5 3.Kf3 Kb4 4.Ke4 Kb5 5.Kd4 Kb6 6.Rc1 Kb5 7.Rc7 Kb6 +- (5.76) Depth: 14/22 00:00:02 2896kN 1.Rc2 Kb6 2.Kg2 Kb5 3.Kf3 Kb4 4.Ke4 Kb5 5.Kd5 Kb4 6.Rc4+ Kb5 7.Rg4 Kb6 8.Rg7 Kb5 9.Rb7+ Ka5 +- (5.88) Depth: 15/22 00:00:03 3071kN 1.Rc2 Kb6 2.Kg2 Kb5 3.Kf3 Kb4 4.Ke4 Kb5 5.Kd5 Kb4 6.Rc4+ Kb5 7.Rg4 Kb6 8.Rb4+ Kc7 9.Rb3 Kd8 +- (5.87) Depth: 16/26 00:00:11 20462kN 1.Rc2 Kb6 2.Kg2 Kb5 3.Kf3 Kb4 4.Ke4 Kb5 5.Kd4 Kb6 6.Kd5 Ka5 7.Kc5 Ka6 8.Rg2 Kb7 9.Rg7+ Ka6 +- (5.89) Depth: 17/28 00:00:20 38575kN 1.Rc2 Kb6 2.Kg2 Kb5 3.Kf3 Kb4 4.Ke4 Kb5 5.Kd5 Kb4 6.Rc4+ Kb3 7.Kd4 Kb2 8.Rc3 Ka2 9.Rc2+ Kb3 10.Rc6 Kb4 11.Rb6+ Ka4 +- (5.89) Depth: 18/28 00:00:21 40717kN 1.Rc2 Kb6 2.Kg2 Kb5 3.Kf3 Kb4 4.Ke4 Kb3 5.Rc6 Ka4 6.Kd4 Kb4 7.Rb6+ Ka5 8.Rb1 Ka4 9.Kc5 Ka3 10.Kc4 Ka2 +- (6.04) Depth: 19/28 00:00:22 41227kN 1.Rc2 Kb6 2.Kg2 Kb5 3.Kf3 Kb4 4.Ke4 Kb3 5.Rc6 Ka4 6.Kd4 Kb3 7.Rc4 Kb2 8.Rc3 Ka2 9.Kc4 Ka1 10.Rb3 Ka2 +- (6.04) Depth: 20/28 00:00:23 44880kN 1.Rg6 Kc7 2.Kg2 Kd7 3.Kf3 Ke7 4.Ke4 Kf7 5.Rb6 Ke7 6.Kd5 Kf7 7.Ke5 Kg7 8.Kf5 Kf7 9.Rb7+ Ke8 10.Ke6 Kd8 11.Rd7+ Ke8 +- (6.14) Depth: 20/28 00:00:24 45162kN 1.Rg6 Kc7 2.Kg2 Kd7 3.Kf3 Ke7 4.Ke4 Kf7 5.Rd6 Ke7 6.Ke5 Kf7 7.Kf5 Ke7 8.Rd1 Kf7 9.Rd7+ Ke8 10.Ke6 Kf8 11.Rb7 Kg8 +- (6.32) Depth: 21/28 00:00:24 45978kN 1.Rg6 Kc7 2.Kg2 Kd7 3.Kf3 Ke7 4.Ke4 Kf7 5.Rd6 Ke7 6.Ke5 Kf7 7.Rc6 Kg7 8.Rf6 Kh7 9.Kf5 Kg7 10.Ke6 Kh8 11.Rf7 Kg8 +- (6.32) Depth: 22/31 00:00:47 85131kN 1.Rg6 Kc7 2.Kg2 Kd7 3.Kf3 Ke7 4.Ke4 Kf7 5.Rd6 Ke7 6.Ke5 Kf7 7.Kf5 Ke7 8.Rd1 Kf7 9.Rd7+ Ke8 10.Ke6 Kf8 11.Kf6 Kg8 12.Rd8+ Kh7 13.Rb8 Kh6 14.Rh8# +- (#14) Depth: 23/32 00:00:48 86193kN 1.Rg6 Kc7 2.Kg2 Kd7 3.Kf3 Ke7 4.Ke4 Kf7 5.Rd6 Ke7 6.Ke5 Kf7 7.Kf5 Ke7 8.Rd1 Kf7 9.Rd7+ Ke8 10.Ke6 Kf8 11.Kf6 Kg8 12.Rd8+ Kh7 13.Rb8 Kh6 14.Rh8# +- (#14) Depth: 24/32 00:00:48 86894kN 1.Rg6 Kc7 2.Kg2 Kd7 3.Kf3 Ke7 4.Ke4 Kf7 5.Rd6 Ke7 6.Ke5 Kf7 7.Kf5 Ke7 8.Rd1 Kf7 9.Rd7+ Ke8 10.Ke6 Kf8 11.Rc7 Kg8 12.Kf6 Kh8 13.Kg6 Kg8 14.Rc8# +- (#14) Depth: 25/32 00:00:49 87815kN 1.Rg6 Kc7 2.Kg2 Kd7 3.Kf3 Ke7 4.Ke4 Kf7 5.Rd6 Ke7 6.Ke5 Kf7 7.Kf5 Ke7 8.Rd1 Kf7 9.Rd7+ Ke8 10.Ke6 Kf8 11.Rc7 Kg8 12.Kf6 Kh8 13.Kg6 Kg8 14.Rc8# +- (#14) Depth: 26/32 00:00:50 89002kN 1.Rg6 Kc7 2.Kg2 Kd7 3.Kf3 Ke7 4.Ke4 Kf7 5.Rd6 Ke7 6.Ke5 Kf7 7.Kf5 Ke7 8.Rd1 Kf7 9.Rd7+ Ke8 10.Ke6 Kf8 11.Rc7 Kg8 12.Kf6 Kh8 13.Kg6 Kg8 14.Rc8# +- (#14) Depth: 27/32 00:00:50 90543kN 1.Rg6 Kc7 2.Kg2 Kd7 3.Kf3 Ke7 4.Ke4 Kf7 5.Rd6 Ke7 6.Ke5 Kf7 7.Kf5 Ke7 8.Rd1 Kf7 9.Rd7+ Ke8 10.Ke6 Kf8 11.Rc7 Kg8 12.Kf6 Kh8 13.Kg6 Kg8 14.Rc8# +- (#14) Depth: 28/32 00:00:51 92519kN 1.Rg6 Kc7 2.Kg2 Kd7 3.Kf3 Ke7 4.Ke4 Kf7 5.Rd6 Ke7 6.Ke5 Kf7 7.Kf5 Ke7 8.Rd1 Kf7 9.Rd7+ Ke8 10.Ke6 Kf8 11.Rc7 Kg8 12.Kf6 Kh8 13.Kg6 Kg8 14.Rc8# +- (#14) Depth: 29/32 00:00:52 94579kN 1.Rg6 Kc7 2.Kg2 Kd7 3.Kf3 Ke7 4.Ke4 Kf7 5.Rd6 Ke7 6.Ke5 Kf7 7.Kf5 Ke7 8.Rd1 Kf7 9.Rd7+ Ke8 10.Ke6 Kf8 11.Rc7 Kg8 12.Kf6 Kh8 13.Kg6 Kg8 14.Rc8# +- (#14) Depth: 30/32 00:00:53 97117kN 1.Rg6 Kc7 2.Kg2 Kd7 3.Kf3 Ke7 4.Ke4 Kf7 5.Rd6 Ke7 6.Ke5 Kf7 7.Kf5 Ke7 8.Rd1 Kf7 9.Rd7+ Ke8 10.Ke6 Kf8 11.Rc7 Kg8 12.Kf6 Kh8 13.Kg6 Kg8 14.Rc8# +- (#14) Depth: 31/32 00:00:54 100063kN 1.Rg6 Kc7 2.Kg2 Kd7 3.Kf3 Ke7 4.Ke4 Kf7 5.Rd6 Ke7 6.Ke5 Kf7 7.Kf5 Ke7 8.Rd1 Kf7 9.Rd7+ Ke8 10.Ke6 Kf8 11.Rc7 Kg8 12.Kf6 Kh8 13.Kg6 Kg8 14.Rc8# +- (#14) Depth: 32/32 00:00:55 103457kN 1.Rg6 Kc7 2.Kg2 Kd7 3.Kf3 Ke7 4.Ke4 Kf7 5.Rd6 Ke7 6.Ke5 Kf7 7.Kf5 Ke7 8.Rd1 Kf7 9.Rd7+ Ke8 10.Ke6 Kf8 11.Rc7 Kg8 12.Kf6 Kh8 13.Kg6 Kg8 14.Rc8# +- (#14) Depth: 33/32 00:00:56 106950kN 1.Rg6 Kc7 2.Kg2 Kd7 3.Kf3 Ke7 4.Ke4 Kf7 5.Rd6 Ke7 6.Ke5 Kf7 7.Kf5 Ke7 8.Rd1 Kf7 9.Rd7+ Ke8 10.Ke6 Kf8 11.Rc7 Kg8 12.Kf6 Kh8 13.Kg6 Kg8 14.Rc8# +- (#14) Depth: 34/32 00:00:58 110546kN 1.Rg6 Kc7 2.Kg2 Kd7 3.Kf3 Ke7 4.Ke4 Kf7 5.Rd6 Ke7 6.Ke5 Kf7 7.Kf5 Ke7 8.Rd1 Kf7 9.Rd7+ Ke8 10.Ke6 Kf8 11.Rc7 Kg8 12.Kf6 Kh8 13.Kg6 Kg8 14.Rc8# +- (#14) Depth: 35/32 00:00:59 114206kN 1.Rg6 Kc7 2.Kg2 Kd7 3.Kf3 Ke7 4.Ke4 Kf7 5.Rd6 Ke7 6.Ke5 Kf7 7.Kf5 Ke7 8.Rd1 Kf7 9.Rd7+ Ke8 10.Ke6 Kf8 11.Rc7 Kg8 12.Kf6 Kh8 13.Kg6 Kg8 14.Rc8# +- (#14) Depth: 36/32 00:01:01 117848kN 1.Rg6 Kc7 2.Kg2 Kd7 3.Kf3 Ke7 4.Ke4 Kf7 5.Rd6 Ke7 6.Ke5 Kf7 7.Kf5 Ke7 8.Rd1 Kf7 9.Rd7+ Ke8 10.Ke6 Kf8 11.Rc7 Kg8 12.Kf6 Kh8 13.Kg6 Kg8 14.Rc8# +- (#14) Depth: 37/32 00:01:02 121460kN 1.Rg6 Kc7 2.Kg2 Kd7 3.Kf3 Ke7 4.Ke4 Kf7 5.Rd6 Ke7 6.Ke5 Kf7 7.Kf5 Ke7 8.Rd1 Kf7 9.Rd7+ Ke8 10.Ke6 Kf8 11.Rc7 Kg8 12.Kf6 Kh8 13.Kg6 Kg8 14.Rc8# +- (#14) Depth: 38/32 00:01:03 125082kN 1.Rg6 Kc7 2.Kg2 Kd7 3.Kf3 Ke7 4.Ke4 Kf7 5.Rd6 Ke7 6.Ke5 Kf7 7.Kf5 Ke7 8.Rd1 Kf7 9.Rd7+ Ke8 10.Ke6 Kf8 11.Rc7 Kg8 12.Kf6 Kh8 13.Kg6 Kg8 14.Rc8# +- (#14) Depth: 39/32 00:01:05 128713kN 1.Rg6 Kc7 2.Kg2 Kd7 3.Kf3 Ke7 4.Ke4 Kf7 5.Rd6 Ke7 6.Ke5 Kf7 7.Kf5 Ke7 8.Rd1 Kf7 9.Rd7+ Ke8 10.Ke6 Kf8 11.Rc7 Kg8 12.Kf6 Kh8 13.Kg6 Kg8 14.Rc8# +- (#14) Depth: 40/32 00:01:06 132344kN 1.Rg6 Kc7 2.Kg2 Kd7 3.Kf3 Ke7 4.Ke4 Kf7 5.Rd6 Ke7 6.Ke5 Kf7 7.Kf5 Ke7 8.Rd1 Kf7 9.Rd7+ Ke8 10.Ke6 Kf8 11.Rc7 Kg8 12.Kf6 Kh8 13.Kg6 Kg8 14.Rc8# +- (#14) Depth: 41/32 00:01:07 135975kN 1.Rg6 Kc7 2.Kg2 Kd7 3.Kf3 Ke7 4.Ke4 Kf7 5.Rd6 Ke7 6.Ke5 Kf7 7.Kf5 Ke7 8.Rd1 Kf7 9.Rd7+ Ke8 10.Ke6 Kf8 11.Rc7 Kg8 12.Kf6 Kh8 13.Kg6 Kg8 14.Rc8# +- (#14) Depth: 42/32 00:01:09 139605kN 1.Rg6 Kc7 2.Kg2 Kd7 3.Kf3 Ke7 4.Ke4 Kf7 5.Rd6 Ke7 6.Ke5 Kf7 7.Kf5 Ke7 8.Rd1 Kf7 9.Rd7+ Ke8 10.Ke6 Kf8 11.Rc7 Kg8 12.Kf6 Kh8 13.Kg6 Kg8 14.Rc8# +- (#14) Depth: 43/32 00:01:10 143235kN (, 21.11.2005)
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