Author: Heiner Marxen
Date: 13:10:36 05/26/04
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On May 24, 2004 at 10:54:21, Heiner Marxen wrote: >On May 24, 2004 at 10:15:34, F. Huber wrote: > >>On May 24, 2004 at 09:53:58, Heiner Marxen wrote: >> >>>On May 23, 2004 at 18:24:40, Drexel,Michael wrote: >>> >>>>[D] 2rq1k1r/2pb1p2/3p2p1/3Pp3/4P3/2N1QpP1/PPP2P2/R4RK1 b - - 0 19 >>>> >>>>New game, >>>>2rq1k1r/2pb1p2/3p2p1/3Pp3/4P3/2N1QpP1/PPP2P2/R4RK1 b - - 0 1 >>>> >>>>Analysis by ChestUCI Ver.3.5: >>>> >>>>19...Qf6 >>>> -+ (-#6) Depth: 6 00:00:11 2404kN >>>>19...Qf6 20.Qh6+ Rxh6 21.Rab1 Qh8 22.a3 Rh1# >>>> -+ (-#6) Depth: 6/6 00:00:11 4103kN >>>> >>>>The mainline is a mate in 4. >>> >>>Yes, that is incorrect, 20.Qh6+ is inferior. Neither Chest 3.19 nor my >>>current development version exhibit this bug: >>> >>>2rq1k1r/2pb1p2/3p2p1/3Pp3/4P3/2N1QpP1/PPP2P2/R4RK1 b - - acn 4103219; acs 17; bm >>> Qf6; ce 32756; dm 6; pv Qf6 Na4 Bh3 Qh6+ Rxh6 Nb6 cxb6 g4 Bg2 g5 Rh1#; >>> >>>Franz? Any idea what's going on? >>> >>>>Michael >>> >>>Thanks for pointing out! >>> >>>Cheers >>>Heiner >> >>Hello Heiner! >> >>I´ve already ´analyzed´ the whole day long ... :-( >> >>Detailed email already on the way to you ... ;-) > >Ah, just saw the email... I can explain the effect... detailed email >will follow in a few minutes. This bug is due to the fact, that the complete solution tree grows larger than the 30000 moves, which the tree sorting module uses to represent the tree. As a result, the printed tree is not sorted optimally, although it is otherwise ok. Currently I know of no easy bugfix. Cheers, Heiner
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