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Subject: Re: Closed pawn center and Kingsafety

Author: Bas Hamstra

Date: 12:57:59 03/07/04

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On March 05, 2004 at 23:01:56, Robert Hyatt wrote:

>On March 05, 2004 at 13:52:13, Gerd Isenberg wrote:
>
>>May be a interesting position for static eval.
>>
>>Topics: Closed pawn center and Kingsafety, pawn storm, good and bad bishops,
>>mobility and may be a trapped queen on g6 later on. Attacking Trajectories?
>>
>>Anyway, search should find h4 fast, but correct implemented knowledge helps to
>>become even faster. But h4 may be wrongly considered positionally weak due the
>>demaged potential pawn shields on both wings and may therefore penalize the
>>centered king, able to castle two ways.
>>
>>[D]rn2r1k1/pb1n1ppp/1p1p1q2/2pPpN2/2P1P3/P1PBBP2/6PP/R2QK2R w KQ - ; bm h4
>
>
>
>crafty fails high at 11 secs on my dual, score reaches +2 quickly

Here is Tao's analyses on a Athlon 1600+

  6.01	 0:00 	+0.87 	1.Qh4+ Qe7 2.Qd4+ Qd6 3.Qa1 Qg6 4.Qa8+ Kd7 5.Qa1 (34.173)
22.9
  7.01	 0:01 	+0.93 	1.Qh4+ Qe7 2.Qd4+ Qd6 3.Qa1 Qe6 4.Rh7 Qe1+ 5.Qxe1 Rxe1+
6.Kh2 (111.964) 60.0
  8.01	 0:03 	+0.88 	1.Qh4+ Qe7 2.Qd4+ Qd6 3.Qa1 Qe6 4.Rh8 Rxh8+ 5.Qxh8+ Qe8
6.Qd4+ Qd7 7.Qf4 (217.228) 65.7
best move: Qh3-h4 time: 0:04.916 min  n/s: 90.113  nodes: 442.367
  7.01	 0:00 	+0.93 	1.Qh4+ Qe7 2.Qd4+ Qd6 3.Qa1 Qe6 4.Rh7 Qe1+ 5.Qxe1 Rxe1+
6.Kh2 (75.221) 85.0
best move: Qh3-h4 time: 0:01.237 min  n/s: 112.122  nodes: 131.071
  8.01	 0:00 	+0.88 	1.Qh4+ Qe7 2.Qd4+ Qd6 3.Qa1 Qe6 4.Rh8 Rxh8+ 5.Qxh8+ Qe8
6.Qd4+ Qd7 7.Qf4 (132.757) 163.8
  9.01	 0:01 	+0.93 	1.Qh4+ Qe7 2.Qd4+ Qd6 3.Qa1 Qe6 4.Qa8+ Qc8 5.Qxc8+ Kxc8
6.Rh7 Re1+ 7.Kh2 Kd8 (336.022) 217.2
 10.01	 0:07 	+0.87 	1.Qh4+ Qe7 2.Qd4+ Qd6 3.Qa1 Qe6 4.Qa8+ Qc8 5.Qa5 Qd7 6.Rh6
Qd1+ 7.Kh2 Qg4 8.Qd5+ Qd7 9.Qxd7+ Kxd7 (1.577.278) 215.3
best move: Qh3-h4 time: 0:15.829 min  n/s: 224.140  nodes: 3.538.943
position:  ; bm h4

 10.01	 0:04 	+1.16 	1.O-O Na6 2.Bf2 Nc7 3.Qa4 Red8 4.Bh4 g5 5.Bf2 Kh8
(1.437.223) 322.9
 11.01	 0:09 	+1.09 	1.O-O Na6 2.Bf2 Nf8 3.Bh4 g5 4.Bg3 Ng6 5.Qd2 Ne7 6.Ne3
(3.285.551) 345.3
 11.03	 0:16 	+1.09++ 	1.Bf2 (5.959.680) 356.7
 11.03	 0:21 	+1.24 	1.Bf2 Kh8 2.Qd2 Rg8 3.Bh4 g5 4.Bf2 Na6 5.O-O Nc7 6.Rab1
(7.749.221) 365.1
 11.05	 0:22 	+1.24++ 	1.Qd2 (8.279.944) 367.3
 11.05	 0:23 	+1.37 	1.Qd2 h6 2.Bf2 Na6 3.Bh4 g5 4.Bf2 Nc7 5.O-O Rac8 6.Rab1
(8.821.063) 368.3
 11.19	 0:29 	+1.37++ 	1.h4 (10.715.991) 366.1
 11.19	 0:32 	+1.46 	1.h4 h6 2.Rh3 Kh8 3.Rg3 g6 4.Nxh6 Qxh4 5.Kf2 Rf8 6.Bg5
(11.955.169) 365.9
 12.01	 0:48 	+1.79 	1.h4 h6 2.Rh3 Kh7 3.Rg3 g6 4.Nxh6 Qxh4 5.Kf2 Rf8 6.Bg5 Qh2
(17.649.756) 364.1
 13.01	 1:51 	+1.96 	1.h4 h6 2.Rh3 Kh7 3.Qc2 Na6 4.Bg5 Qg6 5.Ne7 Rxe7 6.Bxe7 Re8
7.h5 (41.085.153) 367.3
 14.01	 4:02 	+2.02 	1.h4 h6 2.Rh3 Nf8 3.Qa4 Rd8 4.Rg3 Kh8 5.Nxg7 Bc8 6.h5 Qh4
7.Kf2 Bd7 (87.691.855) 360.9

Bas.



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