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Subject: Re: Testposition in the Sicilian, avoid 15..c4

Author: John Merlino

Date: 18:23:58 07/02/05

Go up one level in this thread


On July 02, 2005 at 11:52:11, Eelco de Groot wrote:

>
>This is from a game Pro Deo 1.1 Vulcan {9k8} - Gandalf 6.01, Noomen 06 opening
>
>Gandalf's evaluation went up to +1.21 after Pro Deo played 15..c4 and
>essentially Pro Deo could never come back in the game after that. Actually I
>have issues with the played before move, 13..b4 too, to my human eyes it looks
>suspect to push your pawns forward in this position.
>
>Pro Deo is not in bad company playing 15..c4; Fruit 2.1 plays it even longer
>than some of the different settings for Pro Deo, before finally going to
>15..Bxa4 which seems a bit better.
>
>[D]3rk1nr/2q1bppp/p1b1p3/2p1P2Q/Np3P2/1P1BB3/P1P3PP/R4RK1 b k - 0 1

Well, it takes some time, but CM9_R1 on a P4-2.4 finally gets it in just over
ten minutes:

Time	Depth	Score	Positions	Moves
0:00	1/4	0.96	9775		1...Qb7 2.Qe2 Qa7 3.Bxa6 Nh6
0:00	1/4	0.32	16853		1...Nh6 2.Rad1 O-O 3.Nxc5 Bxg2
					4.Nxa6
0:00	1/5	0.43	61444		1...Nh6 2.Rad1 O-O 3.Nxc5 Bxc5
					4.Bxc5 Bxg2
0:00	1/5	-0.27	75182		1...c4 2.Be2 Bxa4 3.bxa4 Bc5 4.Bxc5
					Qxc5+ 5.Kh1
0:00	1/6	0.03	89442		1...c4 2.Be2 Bxa4 3.bxa4 Bc5 4.Qh3
					Ne7 5.Rad1
0:01	1/7	-0.44	146308		1...c4 2.Be2 Bxa4 3.bxa4 Bc5 4.Qf3
					Ne7 5.Qf2 Bxe3 6.Qxe3
0:01	1/8	-0.44	296642		1...c4 2.Be2 Bxa4 3.bxa4 Bc5 4.Qf3
					Ne7 5.Qf2 Bxe3 6.Qxe3
0:04	1/9	-0.64	817696		1...c4 2.Be2 Bxa4 3.bxa4 Bc5 4.Bf2
					Bxf2+ 5.Rxf2 Ne7 6.a3 g6 7.Qh3
0:11	1/10	-0.73	2172869		1...c4 2.Be2 Bxa4 3.bxa4 Bc5 4.Bf2
					Rd2 5.Qf3 Rxc2 6.Qa8+ Ke7 7.Bf3
					Bxf2+ 8.Rxf2 Rxf2 9.Kxf2
0:30	1/11	-0.63	5773140		1...c4 2.Be2 Bxa4 3.bxa4 Bc5 4.Qf3
					Ne7 5.Bxc5 Qxc5+ 6.Qf2 Qxf2+ 7.Rxf2
					Rd4 8.a3 b3
1:29	1/12	-0.35	17318566	1...c4 2.Bb6 Bc5+ 3.Bxc5 Bxa4 4.Bd6
					Qb6+ 5.Kh1 cxd3 6.bxa4 dxc2 7.Qe2
					Ne7 8.Bxe7 Kxe7 9.Qxc2
4:23	1/13	-0.04	48707043	1...c4 2.Bb6 Bc5+ 3.Bxc5 Bxa4 4.Bd6
					Qb6+ 5.Kh1 cxd3 6.bxa4 Nh6 7.cxd3
					Nf5 8.Rae1 Nxd6 9.exd6 Rxd6
10:05	1/13	-0.29	113141333	1...Bxa4 2.Qg4 Kf8 3.bxa4 c4 4.Be4
					Bc5 5.Qe2 Qb6 6.Bxc5+ Qxc5+ 7.Kh1
					f5 8.Bf3 Ne7 9.Rad1

jm



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