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Subject: Re: Test Positions

Author: John Merlino

Date: 13:23:07 02/08/04

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On February 08, 2004 at 15:38:28, Darren Rushton wrote:

>[D]3rr1k1/1b1q1p1p/p2b1npB/2pP4/1p2n3/4N1P1/PPQ1NPBP/R2R2K1 b KQkq - 0 24
>
>Cifuentes Parada,R vs. Zvjaginsev,V
>Wijk aan Zee / Hoogovens
>Immortal Game,
>1995
>
>24...Nxf2!!

Chessmaster 9000, SKR personality on a P4-2.4, finds them in 12, 2, and 4
seconds, respectively:

Time	Depth	Score	Positions	Moves
0:00	1/3	-0.19	1689		1...Ng4 2.Bxe4 Nxh6 3.Nc4
0:00	1/4	-0.31	7811		1...Ng4 2.Bxe4 Nxh6 3.Nc4 Bc7
0:00	1/5	-0.08	22132		1...Ng4 2.Bxe4 Nxh6 3.Nc4 Bc7 4.Bg2
0:00	1/6	-0.19	53784		1...Ng4 2.Nxg4 Qxg4 3.f3 Qh5 4.Bf4
					Bxf4 5.Nxf4
0:01	1/7	-0.14	131567		1...Ng4 2.Nxg4 Qxg4 3.Nf4 Ng5 4.h3
					Nf3+ 5.Kh1 b3 6.Qxb3
0:02	1/8	-0.14	332475		1...Ng4 2.Nxg4 Qxg4 3.Nf4 Ng5 4.h3
					Nf3+ 5.Kh1 b3 6.Qxb3
0:07	1/9	-0.12	1128304		1...Ng4 2.Bxe4 Nxh6 3.Bg2 Ng4 4.Nc4
					Nf6 5.Nxd6 Qxd6 6.Nf4
0:12	1/9	-0.73	2022768		1...Nxf2 2.Kxf2 Rxe3 3.Kxe3 Ng4+
					4.Kd2 Nxh6 5.Kc1 Ng4 6.Kb1 Ne3
0:23	1/10	-0.75	4295598		1...Nxf2 2.Kxf2 Rxe3 3.Bxe3 Ng4+
					4.Kf3 Nxh2+ 5.Kf2 Ng4+ 6.Kf3 Qe6
					7.Bf4 f5 8.Qd3 Re8 9.Bxd6 Qxd6
0:59	1/11	-0.85	11348006	1...Nxf2 2.Kxf2 Rxe3 3.Kxe3 Ng4+
					4.Kd2 Nxh6 5.a3 Re8 6.Kc1 Qe7 7.Rd2
					Ng4 8.axb4 cxb4

>[D]r3b1nr/ppqn1k1p/4p1p1/1P1pPpP1/1B1N1P1P/R7/3Q4/R3KB2 w KQkq - 0 1
>
>1.Rc3! {1... Qd8 2. Nxe6!! Kxe6 3. Qxd5+ Kxd5 4. Rd1+ Ke4 5. Rc4+ Kf3 6. Rd3+
>Kg4 7. Be2+ Kxh4 8. Rcc3 }

Time	Depth	Score	Positions	Moves
0:00	1/4	1.40	4868		1.Rxa7 Rxa7 2.Rxa7 Qb6 3.Ra8 Nc5
					4.Be2
0:00	1/4	1.50	11505		1.Rc1 Qd8 2.Be2 Qb6 3.Bd6
0:00	1/5	1.43	17713		1.Rc1 Qd8 2.Be2 Qb6 3.Bd6 Ne7
0:00	1/6	1.50	67738		1.Rc1 Qd8 2.Be2 Ne7 3.Bd6 Qb6 4.Rc7
0:00	1/6	1.89	146095		1.Bd6 Qb6 2.Rc1 a5 3.bxa6ep Ne7
0:01	1/7	1.71	178053		1.Bd6 Qb6 2.Rc1 a5 3.bxa6ep bxa6
					4.Bb5 Ne7
0:02	1/7	2.96	377878		1.Rc3 Qb8 2.Bd6 Qd8 3.Nxe6 Qb6
					4.Qxd5
0:02	1/8	4.66	438754		1.Rc3 Nc5 2.Bxc5 Qd8 3.Bd6 Bd7
					4.Rc7 Rc8 5.Rxb7
0:04	1/9	4.66	869017		1.Rc3 Nc5 2.Bxc5 Qd8 3.Bd6 Bd7
					4.Rc7 Rc8 5.Rxb7
0:09	1/10	4.60	2225645		1.Rc3 Nc5 2.Bxc5 Qd8 3.Bd6 Bd7
					4.Rc7 b6 5.Raxa7 Rxa7 6.Rxa7 Ne7
					7.Be2
0:30	1/11	4.67	7299932		1.Rc3 Nc5 2.Rxc5 Qd8 3.b6 Ne7 4.Rc7
					Bd7 5.Rxb7 a5 6.Rxa5
1:37	1/12	5.30	23595743	1.Rc3 Nc5 2.Rxc5 Qd8 3.b6 Bc6 4.Nxc6
					Qxb6 5.Nd4 Ne7 6.Bb5 a5

>[D]2rr2k1/1b3ppp/pb2p3/1p2P3/1P2BPnq/P1N3P1/1B2Q2P/R4R1K b KQkq - 0 1
>
>Rotlevei vs. Rubinstein
>
>The most famous combination in chess history(?)
>
>1....Rxc3!!
>
>{2. gxh4 Rd2! 3. Qxd2 Bxe4+ 4. Qg2 Rh3!}

Time	Depth	Score	Positions	Moves
0:00	1/4	-1.45	4013		1...Bxe4+ 2.Nxe4 Qxh2+ 3.Qxh2 Nxh2
					4.Rfd1 Rc2 5.Rxd8+ Bxd8
0:00	1/5	-1.42	12142		1...Bxe4+ 2.Nxe4 Qxh2+ 3.Qxh2 Nxh2
					4.Rfd1 Ng4 5.Rxd8+ Rxd8 6.Rf1
0:00	1/6	-1.44	31373		1...Bxe4+ 2.Nxe4 Qxh2+ 3.Qxh2 Nxh2
					4.Rfd1 Ng4 5.Rxd8+ Rxd8 6.Rc1
0:00	1/6	-1.66	88691		1...Qe7 2.Rad1 Rxd1 3.Nxd1 Ne3
					4.Bxb7 Qxb7+ 5.Rf3
0:01	1/7	-1.38	228626		1...Qe7 2.Rf3 Nf2+ 3.Rxf2 Bxf2
					4.Qxf2 Rxc3 5.Bxc3 Bxe4+ 6.Kg1
					Rd3 7.Rc1 Qb7
0:02	1/8	-1.30	522348		1...Qe7 2.Rf3 Nf2+ 3.Rxf2 Bxf2
					4.Qxf2 Rxc3 5.Bxc3 Bxe4+ 6.Kg1
					Rd3 7.Bb2 Qb7 8.Re1
0:03	1/8	-1.55	687065		1...Bxe4+ 2.Nxe4 Qxh2+ 3.Qxh2 Nxh2
					4.Rfd1 Ng4 5.Rxd8+ Rxd8 6.Rc1 Nf2+
					7.Nxf2 Bxf2 8.Kg2 Be3
0:04	1/8	-3.45	954948		1...Rxc3 2.Bxb7 Rxg3 3.Rf3 Rxf3
					4.Bxf3 Nf2+ 5.Kg1 Ne4+ 6.Kg2 Rd2
0:06	1/9	-4.36	1358943		1...Rxc3 2.Bxb7 Rxg3 3.Rac1 Rh3
					4.Rc2 Nf2+ 5.Qxf2 Bxf2 6.Rcxf2
					Qg3 7.Bxa6 Qd3
0:10	1/10	-4.90	2352744		1...Rxc3 2.Bxb7 Rxg3 3.Rac1 Rh3
					4.Rc2 Qg3 5.Be4 Nf2+ 6.Qxf2 Bxf2
					7.Rcxf2 Rh4
0:21	1/11	-5.38	4882772		1...Rxc3 2.Bxb7 Rxg3 3.Rac1 Rh3
					4.Rc2 Nxh2 5.Qxh2 Be3 6.Bc1 Bxc1
					7.Rfxc1 Rxh2+ 8.Rxh2 Qxf4
0:45	1/12	-5.89	11602915	1...Rxc3 2.Bxb7 Rxg3 3.Rac1 Rh3
					4.Rc2 Re3 5.Qg2 Re1 6.Bc3 Qxh2+
					7.Qxh2 Rxf1+ 8.Kg2 Nxh2 9.Kxh2
					Rxf4 10.Bxa6

jm



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