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Subject: Re: Testposition from Smirin - ChessTiger

Author: Dan Ellwein

Date: 19:49:11 04/28/02

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On April 28, 2002 at 16:53:14, Gian-Carlo Pascutto wrote:

>[D]r4k2/1p2q2p/1Q2bp1P/rP2p1p1/P2pP3/2bP2P1/3N1PBK/R1R5 b - - 0 29
>
>Avoid mode : Bxa1

CMLite goes from Bxa1 to g4 to R5a7 after 1 min and stays there...

(approx 18,000,000 positions)

Celeron 400Mhz

Time	Depth	Score	Positions	Moves
0:05	1/7	-1.30	147769		1...Bxa1 2. Rc7 Qd8 3. Qxb7 Rb8
					4. Qc6 Rxa4 5. Rxh7
0:11	1/8	-1.45	374460		1...Bxa1 2. Rc7 Qd8 3. Qxb7 Rb8
					4. Qc6 Rxa4 5. Rxh7 Qb6
0:29	1/8	-1.54	959834		1...g4 2. Ra3 Bxd2 3. Rc7 Bd7 4.
					Ra2 Rxb5 5. Qxb5 Bxb5 6. Rxe7 Kxe7
					7. Rxd2 Rxa4
0:42	1/9	-1.44	1458558		1...g4 2. Rc2 Bxa1 3. Rc7 Qd8 4.
					Qxb7 Rb8 5. Qc6 Rxa4 6. Rxh7
1:00	1/9	-1.57	2126839		1...R5a7 2. a5 Bxa5 3. Rxa5 Rxa5
					4. Rc7 Rxb5 5. Rxe7 Rxb6 6. Rxh7
					Ra2
1:37	1/10	-1.57	3542766		1...R5a7 2. a5 Bxa5 3. Rxa5 Rxa5
					4. Rc7 Rxb5 5. Rxe7 Rxb6 6. Rxh7
					Ra2
4:04	1/11	-1.75	9439274		1...R5a7 2. Rxc3 dxc3 3. Nb1 Rxa4
					4. Rxa4 Rxa4 5. Nxc3 Ra3 6. Bh3
					Rxc3 7. Bxe6 Rxd3 8. Bd5
7:42	1/12	-1.77	18529145	1...R5a7 2. a5 Bxa5 3. Rxa5 Rxa5
					4. Rc5 Kg8 5. Nc4 Bxc4 6. Rxc4
					g4 7. f3 gxf3 8. Bxf3

>
>27 seconds to fail low for Sjeng, 57 to find a new move. I do
>not know if it is really better though.
>
>Ilya Smirin - Gambit Tiger
>r4k2/1p2q2p/1Q2bp1P/rP2p1p1/P2pP3/2bP2P1/3N1PBK/R1R5 b - - 0 1
>
>Analysis by Sjeng 12.12:
>
>29...Bxa1 30.Rc7 Qd8 31.Qxe6 Qxc7 32.Qxf6+ Qf7 33.Qh8+ Qg8 34.Qf6+ Ke8 35.Qxe5+
>Kd8
>  -+  (-3.18)   Depth: 8/22   00:00:04  1314kN
>29...Bxa1 30.Rc7 Qd8 31.Qxe6 Qxc7 32.Qxf6+ Qf7 33.Qh8+ Qg8 34.Qf6+ Ke8 35.Qxe5+
>Kd8
>  -+  (-3.18)   Depth: 8/26   00:00:06  2204kN
>29...Bxa1 30.Rc7 Qd8 31.Qxe6 Qxc7 32.Qxf6+ Qf7 33.Qh8+ Qg8 34.Qf6+ Ke8 35.Qxe5+
>Kd7 36.Qf5+ Kd8
>  -+  (-3.22)   Depth: 9/26   00:00:06  2721kN
>29...Bxa1 30.Rc7 Qd8 31.Qxe6 Qxc7 32.Qxf6+ Qf7 33.Qh8+ Qg8 34.Qf6+ Ke8 35.Qxe5+
>Kd7 36.Qf5+ Kd8
>  -+  (-3.22)   Depth: 9/30   00:00:11  5091kN
>29...Bxa1 30.Rc7 Qd8 31.Qxe6 Qxc7 32.Qxf6+ Qf7 33.Qh8+ Qg8 34.Qf6+ Ke8 35.Qxe5+
>Kd7 36.Qf5+ Kd8 37.e5 Rxa4 38.Bxb7
>  -+  (-2.99)   Depth: 10/30   00:00:12  5988kN
>29...Bxa1 30.Rc7 Qd8 31.Qxe6 Qxc7 32.Qxf6+ Qf7 33.Qh8+ Qg8 34.Qf6+ Ke8 35.Qxe5+
>Kd7 36.Qf5+ Kd8 37.e5 Rxa4 38.Bxb7
>  -+  (-2.99)   Depth: 10/30   00:00:25  14201kN
>29...Bxa1
>  -+  (-2.49)   Depth: 11/30   00:00:27  15486kN
>29...Bf7 30.Bh3 R5a7 31.Nf3 g4 32.Bxg4 Bxa1 33.Rxa1 Rxa4 34.Rxa4 Rxa4 35.Bc8 Ra3
>  -+  (-2.61)   Depth: 11/30   00:00:57  33290kN
>29...R5a7 30.Nf3 g4 31.Nh4 Bxa1 32.Rc7 Bd7 33.Nf5 Qe6 34.Qxe6 Bxe6 35.Rxh7 Rxa4
>36.Rxb7
>  -+  (-2.98)   Depth: 11/32   00:01:26  51315kN
>29...R5a7 30.Nf3 g4 31.Nh4 Bxa1 32.Rc7 Bd7 33.Nf5 Qe6 34.Qxe6 Bxe6 35.Rxh7 Rxa4
>36.Rxb7
>  -+  (-2.98)   Depth: 11/35   00:02:13  81141kN
>
>--
>GCP



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