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Subject: Re: Test Position (CM9K

Author: Steven J. Brann

Date: 18:45:03 11/17/04

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On November 16, 2004 at 23:38:00, Anthony Cozzie wrote:

>[D]3r3r/pp4k1/4b1q1/2pnP3/7P/1P4P1/P2RQ1BK/R7 b - - 0 36
>
>Today Zappa got its first win against Shredder at slow timecontrols (opponent
>was on a dual opteron at 45 10).  Here it uncorked Nf4! and white is lost.
>
>1... Rh8-f8 2. Ra1-e1 Be6-g4 3. Qe2-e4 Bg4-f5 4. Qe4-f3 Bf5-c2 5. Qf3-e2 Nd5-c3
>6. Qe2-e3 Rd8xd2
> = (2.24)	Depth: 11/30	00:00:19.18	26758kN (1395 KN/s, 717 splits, 79 aborts)
>1 ...Nd5-f4++
> + (2.63)	Depth: 11/30	00:00:26.78	37848kN (1413 KN/s, 921 splits, 98 aborts)
>1... Nd5-f4 2. g3xf4 Rh8xh4 3. Kh2-g1 Rd8xd2 4. Qe2xd2 Qg6-g3 5. Kg1-f1 Rh4xf4
>6. Kf1-g1 Be6-d5 7. Ra1-f1 Bd5-f3
> = (2.93)	Depth: 11/30	00:00:27.49	38942kN (1416 KN/s, 940 splits, 99 aborts)
>1... Nd5-f4 2. Qe2-f2 Nf4xg2 3. Rd2xd8 Rh8xd8 4. Qf2xg2 b7-b6 5. Ra1-f1 Qg6-g4
>6. Kh2-g1 Rd8-d3 7. Rf1-f4 Qg4xg3 8. Qg2xg3 Rd3xg3
> = (3.25)	Depth: 15/35	00:02:07.13	196517kN (1546 KN/s, 2388 splits, 211 aborts)
>
>anthony

CM9K_SJB-A on a P4 3.0G machine finds 36...Nf4 in 22 seconds and sticks with it.

Time	Depth	Score	Positions	Moves
0:00	1/6	-1.46	149220		36...Qg5 37.Qe1 Qe3 38.Re2 Qc3
					39.Rd1 Qxe1 40.Rexe1
0:01	1/7	-1.23	276696		36...Qg5 37.Qe1 Qe3 38.Re2 Qc3
					39.Qf1 Rhf8
0:02	1/8	-1.07	684519		36...Qg5 37.Qe1 Qe3 38.Re2 Qd3
					39.Rd1 Qf5 40.Rf2
0:12	1/9	-0.97	3067177		36...Qg5 37.Qe1 Qe3 38.Re2 Qc3
					39.Qxc3 Nxc3 40.Rc2 Nd5 41.Rxc5
					Rhf8
0:22	1/9	-1.25	5804335		36...Nf4 37.gxf4 Rxh4+ 38.Kg1 Rdh8
					39.Rad1 Qg3 40.Rd7+ Bxd7 41.Rxd7+
					Kf8 42.Rd8+ Ke7 43.Rxh8 Qh2+ 44.Kf2
					Qxf4+ 45.Qf3 Qxf3+ 46.Bxf3 Rxh8
					47.Bxb7
0:25	1/10	-1.08	6941873		36...Nf4 37.gxf4 Rxh4+ 38.Kg1 Rxd2
					39.Qxd2 Qg3 40.Kf1 Qh2 41.Qf2 Rxf4
					42.Bf3
1:01	1/11	-1.26	17145678	36...Nf4 37.gxf4 Rxh4+ 38.Kg1 Rxd2
					39.Qxd2 Qg3 40.Kf1 Rxf4+ 41.Kg1
					Rh4 42.Qe2 Qh2+ 43.Kf1 Qf4+ 44.Qf3
					Qxe5 45.Qxb7+ Bf7
1:53	1/12	-1.49	33212742	36...Nf4 37.gxf4 Rxh4+ 38.Kg1 Rxd2
					39.Qxd2 Qg3 40.Kf1 Rh2 41.f5 Bxf5
					42.Qd5 Rh1+ 43.Bxh1 Bd3+ 44.Qxd3
					Qxd3+ 45.Kg1
4:35	1/13	-1.91	82469060	36...Nf4 37.Qf2 Nxg2 38.Rxd8 Rxd8
					39.Qxg2 b6 40.Rf1 Qh5 41.Qb2 Rf8
					42.Rxf8 Kxf8 43.Qg2 Qf5
7:43	2/14	-1.98	140970973	36...Nf4 37.Qf2 Nxg2 38.Rxd8 Rxd8
					39.Qxg2 Bd5 40.Qf2 Rf8 41.Qxc5
					Qg4 42.Re1 Qf3 43.Qe7+ Kg6 44.Qg5+
					Kh7 45.Qd2 Qf2+ 46.Qxf2 Rxf2+ 47.Kh3
					Be6+ 48.g4 Rxa2

Steve



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