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Subject: Re: 13 positions that could spoil your weekend

Author: Ed Schröder

Date: 01:11:22 03/11/01

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On March 10, 2001 at 17:23:16, Pete Galati wrote:

>On March 10, 2001 at 09:06:35, Ed Schröder wrote:
>
>>Quite difficult ones. I don't know if all of them are correct
>>but they from existing games.
>>
>>Have fun.
>>
>>Ed
>>
>>==================
>>
>>1r6/4k3/r2p2p1/2pR1p1p/2P1pP1P/pPK1P1P1/P7/1B6 b - - id Brzozka - Bronstein; bm
>>b8b3;
>>8/8/4kpp1/3p1b2/p6P/2B5/6P1/6K1 b - - id Topalov - Shirov; bm f5h3;
>>r4k1r/1b2bPR1/p4n2/3p4/4P2P/1q2B2B/PpP5/1K4R1 w - - id Vladimirov - Epishin; bm
>>e3h6;
>>r1b2r1k/4qp1p/p2ppb1Q/4nP2/1p1NP3/2N5/PPP4P/2KR1BR1 w - - id Kholmov -
>>Bronstein; bm d4c6;
>>rqb1rnk1/4n1pp/2p5/2PpPpPP/1p3N2/1P1BP3/1BQ5/1K4RR w - - id Bischoff -
>>Nogueiras; bm e5e6;
>>r2q1rk1/pp2bpp1/4p2p/2pPB2P/2P3n1/3Q2N1/PP3PP1/2KR3R w - - id Karpov - Huebner;
>>bm e5g7;
>>2kr3r/ppp1qpp1/2p5/2b2b1p/2P1pPn1/1P2P1PP/PBQPB3/RN2K2R b KQ - id Larsen -
>>Spassky; bm h5h4;
>>6r1/3bbk2/4p2p/1p1pPp2/2pP1Pr1/P4K2/1P4NP/1R2B1R1 b - - id Janowsky -
>>Capablanca; bm b5b4;
>>r2q1rk1/3nbpp1/4p2p/p1p1P3/1p1P3P/3B1b1R/PPQB1PP1/R3K3 w Q - id Portisch -
>>Johannessen; bm d2h6;
>>r1bqr1k1/pppnbpp1/7p/2P5/3PN3/3Q1N2/PPB1p1PP/R4RK1 w - - id Spassky - Bronstein;
>>bm e4d6;
>>4n3/3b3r/1p1p1k2/p1pPp1R1/P1P1P1p1/2NKN1P1/1P3P2/8 w - - id Alburt - Lerner; bm
>>g5g4;
>>4r3/2q2pk1/2pp2pp/1b1P4/1P2N3/rB1n3P/3Q1PP1/2R1R1K1 w - - id Timman - Kasparov;
>>bm e4f6;
>>1r4nk/1p1qb2p/3p1r2/p1pPp3/2P1Pp2/5P1P/PP1QNBRK/5R2 b - - id Averbakh - Kotov;
>>bm d7h3;
>
>Who or what determined the best moves on these positions?  Were they all the
>moves played in the games?

All the given best moves comes from games.


>Here's what Comet said when fed these positions with a batch file allowing 15
>minutes per game.  I copied your best moves to the end of each line and marked
>the ones where Comet agreed with a "*", fwiw, only 3 times.  I suppose with
>longer times it might have agreed with more of them.

Yes, all these positions are hard maybe except the last one (Averbakh - Kotov)
but then I could not resist including it because of the beauty.

Ed


>Pete
>
>Comet V B.31  Stil: selective search      Hash-Tab:64593K
>	Datei: ed		Sat Mar 10 09:35:13 2001
>
>01:	 score: +2.62 	Nodes/Sec: 202503 [19] 	a6b6 in 0:00 [1] -bm b8b3;
>02:	 score: +2.73 	Nodes/Sec: 276206 [15] 	a4a3 in 0:00 [4] -bm f5h3;
>03:	 score: +3.77 	Nodes/Sec: 331599 [12] 	e3h6 in 0:17 [8] -bm e3h6;*
>04:	 score: +0.35 	Nodes/Sec: 228678 [12] 	f5e6 in 0:04 [6] -bm d4c6;
>05:	 score: +0.20 	Nodes/Sec: 182027 [12] 	h1h4 in 3:48 [10] -bm e5e6;
>06:	 score: -0.14 	Nodes/Sec: 180135 [13] 	d3e2 in 0:00 [3] -bm e5g7;
>07:	 score: +0.69 	Nodes/Sec: 154596 [12] 	g4f6 in 0:00 [4] -bm h5h4;
>08:	 score: +0.97 	Nodes/Sec: 172936 [13] 	g4g6 in 14:39 [13] -bm b5b4;
>09:	 score: -1.53 	Nodes/Sec: 186774 [12] 	h3f3 in 0:02 [6] -bm d2h6;
>10:	 score: +0.04 	Nodes/Sec: 199824 [12] 	f1f2 in 10:28 [11] -bm e4d6;
>11:	 score: +0.75 	Nodes/Sec: 227849 [15] 	g5g4 in 0:46 [12] -bm g5g4;*
>12:	 score: -0.24 	Nodes/Sec: 232671 [13] 	c1c6 in 0:00 [4] -bm e4f6;
>13:	 score: +1.24 	Nodes/Sec: 311793 [14] 	d7h3 in 1:22 [11] -bm d7h3;*



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