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Subject: Re: couple positions

Author: Eelco de Groot

Date: 15:14:11 04/26/05

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On April 26, 2005 at 11:30:48, Eelco de Groot wrote:

>On April 26, 2005 at 00:06:53, Will Singleton wrote:
>
>>[Black "crafty"]
>>[Result "1-0"]
>>[ICCResult "Black resigns"]
>>[WhiteElo "2616"]
>>[BlackElo "2744"]
>>[Opening "Sicilian: Richter-Rauzer, Rauzer attack, 7...a6"]
>>[ECO "B66"]
>>[NIC "SI.29"]
>>[Time "21:41:32"]
>>[TimeControl "300+3"]
>>
>>1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8.
>>O-O-O h6 9. Be3 Be7 10. f4 Nxd4 11. Bxd4 b5 12. Qe3 Qc7 13. e5 dxe5 14. fxe5
>>Nd5 15. Nxd5 exd5 16. h4 O-O 17. Qf3 Be6 18. g4 Qd7 19. Be2 Rac8 20. Kb1 b4
>>21. Rd2 Qa4 22. g5 hxg5
>>
>>... at this point the game is essentially over.  With Crafty's book-learning,
>>I'd have thought that a game as short as this would have come up.  Maybe white
>>never played 18.g4 before.
>>
>>Some positions:
>>
>>2r2rk1/4bpp1/p3b2p/3pP1P1/qp1B3P/5Q2/PPPRB3/1K5R b - - am hxg5
>>2r2rk1/4bpp1/p3b3/3pP1p1/qp1B3P/5Q2/PPPRB3/1K5R w - - bm Qh5
>>2r2rk1/5pp1/p3b2b/3pP2Q/qp1B4/8/PPPRB3/1K5R w - - bm b3
>
>I just looked with the Betazoid personality at the first position after 22.g5.
>Pro Deo 1.1 Betazoid T8 fails low on avoid move 22..hxg5 at ply 11, but the
>score for 22..Qa5 or 22..g6 is also not very high, so Crafty with Black should
>probably have chosen a different line before this. The purpose of 22..g7-g6 is I
>suppose that it prevents White to play Qf3-h5?
>
>[D]2r2rk1/4bpp1/p3b2p/3pP1P1/qp1B3P/5Q2/PPPRB3/1K5R b - - 0 1
>
>
>00:00:00.5	0,62	1	4	hxg5
>00:00:00.6	-0,36	2	191	hxg5 hxg5 Bxg5
>00:00:00.6	0,03	2	1460	b3 cxb3
>00:00:00.6	-0,43	3	2707	b3 Qxb3 Qa5
>00:00:00.6	-0,14	3	3289	hxg5 hxg5 Bxg5 b3
>00:00:00.7	-0,12	3	7430	Bc5 Bxc5 Rxc5 Bd3
>00:00:00.7	-0,21	4	11875	Bc5 Qb3 Qa5 gxh6 Bxd4
>00:00:00.8	0,10	4	14400	hxg5 hxg5 Bxg5 Be3 Bxe3 Qxe3
>00:00:00.9	0,37	5	28676	hxg5 hxg5 Bxg5 b3 Qa3 Bb2
>00:00:01.1	0,26	6	70170	hxg5 hxg5 Bxg5 b3 Qa5 Be3 Bxe3 Qxe3
>00:00:02.8	0,28	7	234513	hxg5 Qh5 gxh4 Bd3 g6 Qh6 b3
>00:00:04.6	-0,11	8	457538	hxg5 Qh5 g6 Qh6 gxh4
>00:00:12.6	-0,50	9	1630040	hxg5 Qh5 g6 Qh6 gxh4
>00:00:23.6	-0,41	9	3205162	Qa5 Qf4 Rfe8
>00:01:04.1	-0,99	10	9324443	Qa5 Qf4 Rc6 gxh6
>00:01:09.8	-0,51	10	10232789	hxg5 Qh5 g6 Qh6 gxh4
>00:03:33.7	-1,91	11	33086631	hxg5 Qh5 g6 Qh6 gxh4
>00:04:57.9	-0,96	11	46357420	Qa5 Qf4 b3 axb3
>00:08:46.5	-0,93	11	81661442	g6 gxh6 Bf5 b3 Qc6 Bd3
>00:17:45.9	-0,95	12	167536090	g6 gxh6 Bf5 b3 Qc6 Bd3

This is what Gandalf 6.0 had to say (Celeron 500 MHz, 32 Mb Ht)

00:00:01.8	-1,50	5	57850	Bc5 gxh6 Bxd4 hxg7 Rfd8 Rxd4 Rxc2
00:00:01.9	-1,50	5	68112	hxg5 hxg5
00:00:02.2	-0,25	5	84127	hxg5 hxg5 Bxg5 Qh5 Bh6 Bd3 b3
00:00:02.9	-0,70	6	135444	hxg5 hxg5 Bxg5 Qh5 Bh6 b3 Qa3 Bd3
00:00:05.1	-0,41	7	297223	hxg5 hxg5 Bxg5 Qh5 Bh6 Rh4 Bd7 Be3 Bg4 Rxg4 Bxe3
00:00:09.7	-0,35	8	655287	hxg5 hxg5 Bxg5 Qh5 Bh6 Rh4 Rfe8 Bd3 Kf8 Rg2
00:00:13.1	-0,67	9	904576	hxg5 hxg5 Bxg5 Qh5 Bh6 Rh4 Rfe8 Bd3 Kf8 Rg2
00:00:14.4	-0,99	9	999982	hxg5 hxg5 Bxg5 Qh5 Bh6 Rh4 Rfe8 Bd3 Kf8 Rg2
00:00:19.1	-0,86	9	1440664	hxg5 hxg5 Bxg5 Qh5 Bh6 Bd3 Rfd8 Rg2 Kf8 Ka1 b3
00:00:41.5	-1,18	10	3157715	hxg5 hxg5 Bxg5 Qh5 Bh6 Bd3 Rfd8 b3 Qa3 Bb2 Qa5 Rf2
00:02:15.1	-0,96	11	10419158	hxg5 hxg5 Bxg5 Qh5 Bh6 Bd3 Rfd8 b3 Qa3 Rg2 Kf8 Ka1
Rc3 Bxc3 bxc3
00:04:39.4	-0,99	12	21399606	hxg5 hxg5 Bxg5 Qh5 Bh6 Bd3 Rfd8 Ka1 Kf8 b3 Qa3 Rf2
Rc3 Bxc3 bxc3
00:08:46.5	-1,34	13	38052076	hxg5 hxg5 Bxg5 Qh5 Bh6 Bd3 Rfd8 Ka1 Kf8 b3 Qa3 Rf2
Rc3 Bxc3 bxc3
00:13:01.9	-1,40	13	57286401	hxg5 hxg5 Bxg5 Qh5 Bh6 b3 Qc6 Be3 Bd7 Bxh6 Qxh6
Qxh6 gxh6 Bxa6 Rc6 Bb5 Rc7 Rxh6
00:43:41.2	-1,98	14	180106140	hxg5 hxg5 Bxg5 Qh5 Bh6 b3 Qc6 Be3 Bd7 Bxh6 Qxh6
Qxh6 gxh6 Bxa6 Rc6 Bb5 Rc7 Rxh6
00:47:46.3	-2,56	14	193558871	hxg5 hxg5 Bxg5 Qh5 Bh6 b3 Qc6 Be3 Bd7 Bxh6 Qxh6
Qxh6 gxh6 Bxa6 Rc6 Bb5 Rc7 Rxh6
01:01:07.9	-3,71	14	251135719	Bc5 b3
01:17:29.4	-2,49	14	317356994	Bc5 Bxc5 Rxc5 b3 Qc6 gxh6 Rc8 Bd1 gxh6 Rg1+ Kf8
Qf4 Bd7 Rdg2 d4 Rg8+ Ke7 Qxd4 Rxg8 Rxg8
01:18:49.1	-2,49	14	324570377	h5 Qd3
01:31:48.8	-1,34	14	375596516	h5 b3 Qc6 Qxh5 g6 Qf3 Bf5 Bd3 Be4 Bxe4 dxe4 Qe3
Rfd8 Rhd1 Kh8
01:58:28.2	-1,44	15	473837165	h5 b3 Qc6 Qxh5 Bf5 Bd3

Pro Deo 1.1 default 28 MB HT, eventually also plays 22..g6 like Pro Deo Betazoid
T8, the deeper iterations for all three are slow because of little HT. But I
think Pro Deo 1.1 Betazoid T8 was a little better in evaluating the position and
avoiding hxg5!


00:00:00.7	-0,27	2	191	hxg5 hxg5 Bxg5
00:00:00.7	-0,04	2	850	b3 cxb3
00:00:00.7	0,00	2	997	Rfe8 gxh6 gxh6
00:00:00.7	0,04	2	1715	Bc5 b3
00:00:00.8	-0,12	3	2622	Bc5 Bxc5 Rxc5 Bd3
00:00:00.8	-0,09	3	3254	hxg5 hxg5 Bxg5 b3
00:00:00.8	0,16	4	7987	hxg5 hxg5 Bxg5 Be3 Bxe3 Qxe3
00:00:00.9	0,37	5	23834	hxg5 hxg5 Bxg5 b3 Qa3 Bb2
00:00:01.2	0,28	6	72755	hxg5 hxg5 Bxg5 b3 Qa5 Be3 Bxe3 Qxe3
00:00:02.7	0,38	7	210947	hxg5 Qh5 g6 Qh6 gxh4
00:00:05.1	0,00	8	526997	hxg5 Qh5 g6 Qh6 gxh4
00:00:10.8	-0,66	9	1327080	hxg5 hxg5 Bxg5 Qh5 Bh6 Be3 d4 b3 dxe3 bxa4 exd2
00:00:39.8	-0,79	10	5751749	hxg5 hxg5 Bxg5 Qh5 Bh6 Be3 d4 b3 dxe3 bxa4 exd2
00:01:29.7	-0,79	11	13494939	hxg5 hxg5 Bxg5 Qh5 Bh6 Be3 d4 b3 dxe3 bxa4 exd2
00:04:06.8	-0,78	12	38140820	hxg5 Qh5 g6 Qh6 gxh4
00:09:30.6	-1,99	13	89934239	hxg5 Qh5 g6 Qh6 g4 Bxg4 Rc6 Bxe6 Rxe6
00:23:23.7	-1,85	13	222966902	Rfd8 gxh6 Qa5 Qe3
00:25:16.6	-1,73	13	240378640	Bc5 b3 Qa5 Bxc5 Qxc5 gxh6 Qc3 Qxc3 bxc3
00:32:34.7	-1,31	13	306945487	Qa5 Qf4
00:48:56.5	-1,28	13	465224518	h5 b3 Qc6 Qxh5 Bf5 Bd3 Bg6 Bxg6 fxg6 Qe2
00:59:42.9	-1,13	13	569225615	g6 gxh6 Bf5 b3 Qc6 Bd3 Be4 Bxe4 dxe4 Qg2

 Eelco



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