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Subject: Re: would someone test this position with Tiger15 and latest crafty version

Author: Gerd Isenberg

Date: 07:01:36 11/08/02

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On November 08, 2002 at 03:59:49, Ulrich Tuerke wrote:

>On November 07, 2002 at 17:09:58, Gerd Isenberg wrote:
>
>>On November 07, 2002 at 12:09:49, Ulrich Tuerke wrote:
>>
>>>The DOS-Comet (on AMD/700) selects Bxg6 immediately and sticks to it although
>>>the score keeps on oscillating a bit:
>>>
>>>Comet-B.50    Thu Nov  7 18:01:04 2002
>>>
>>>depth	score	  sec	  nodes		  pv
>>> 1.	+2.29	    0	      920	 c2c6
>>> 2.	+1.85	    0	     1495	 c2c6  e8d6
>>> 3.	+2.53	    0	     3989	 c2c6  e8d6  h5g4
>>> 4.	+2.27	    0	    16545	 h5g6  h7g6  c2g6  e8g7
>>> 4.	+2.27	    0	    18567	 h5g6  h7g6  c2g6  e8g7
>>> 5.	+2.81	    0	    53927	 h5g6  h7g6  c2g6  e8g7  a1c1  a8c8  c1c2
>>> 5.	+2.81	    0	    56939	 h5g6  h7g6  c2g6  e8g7  a1c1  a8c8  c1c2
>>> 6?	+2.67	    1	   372685	 h5g6  h7g6  c2g6  e8g7  g6g7  e7g7  g5g6
>>> 6?	+2.40	    3	   625143	 h5g6  h7g6  c2g6  e8g7  g6g7  e7g7  a1c1
>>> 6.	+2.39	    3	   687663	 h5g6  h7g6  c2g6  e8g7  a1c1  e7d6
>>> 6.	+2.39	    3	   698427	 h5g6  h7g6  c2g6  e8g7  a1c1  e7d6
>>> 7?	+2.25	    4	   796132	 h5g6  h7g6  c2g6  e8g7  a1c1
>>> 7?	+1.98	    5	  1015341	 h5g6  h7g6  c2g6  e8g7  a1c1
>>> 7!	+1.98	    7	  1211842	 h5g6  h7g6  c2g6  e8g7  g6h7  g8f7  h1h6
>>> 7.	+1.98	    7	  1211842	 h5g6  h7g6  c2g6  e8g7  g6h7  g8f7  h1h6
>>> 8!	+2.11	    7	  1285067	 h5g6  h7g6  c2g6  e8g7  g6h7  g8f7  h1h6
>>> 8?	+2.11	   11	  2002215	 h5g6  h7g6  c2g6  e8g7  g6h7  g8f7  h1h6
>>> 8.	+2.11	   14	  2362916	 h5g6  h7g6  c2g6  e8g7  g6h7  g8f7  h1h6
>>> 9?	+1.97	   33	  6194490	 h5g6  h7g6  c2g6  e8g7  g6h7  g8f7  h1h6
>>> 9!	+1.97	   43	  7604098	 h5g6  h7g6  c2g6  e8g7  a1c1  f8c8  g6h7
>>> 9.	+1.97	   43	  7604098	 h5g6  h7g6  c2g6  e8g7  a1c1  f8c8  g6h7
>>>10!	+2.10	   47	  8511407	 h5g6  h7g6  c2g6  e8g7  a1c1  f8c8  g6h7
>>>10?	+2.10	  134	 27955236	 h5g6  h7g6  c2g6  e8g7  a1c1  f8c8  g6h7
>>>10.	+2.10	  148	 30110201	 h5g6  h7g6  c2g6  e8g7  a1c1  f8c8  g6h7
>>>11.	+2.10	  200	 40603934	 h5g6  h7g6  c2g6  e8g7  a1c1  f8c8  g6h7
>>>
>>>==> My Move: h5g6 in 3:20
>>
>>Hi Uli,
>>
>>Interesting position, thanks kburcham. Nice for tuning king safety.
>>
>>IsiChessMMX found it instantly too, at Depth 0 with +2 score!
>>Guess blacks king safety penalty after Bxg6 hxg Qxg6+ Ng7 is a bit too huge or
>>speculative (new paradigm :-)
>>Open h-file with is rather expensive here, two heavy pieces controlling adjacent
>>king squares, the white queen near the black king, a pinned knight, domination
>>of an adjacent king square (h7), the ability to castle queenside, the g5 passer
>>(pawnstorm)...
>>
>>Oscillating like Comet from +2.48 at depth 5 via +1.75 at 9 and +2.04 at 11.
>>
>>Regards,
>>Gerd
>
>Hi Gerd,
>
>agreed. Finding this move is purely a matter of static evaluation. Search and
>tactical extensions can't find a quick win here, it seems.
>
>See you in PB (hopefully),
>Uli

Yes, i intend to participate.
See you,
Gerd



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