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Subject: Re: 9 interesting positions !!

Author: Robert Hyatt

Date: 20:55:56 07/25/00

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On July 24, 2000 at 12:13:08, Côme wrote:

>
>Hello there are 9 interesting positions for chess programs:
>
>r1bq1rk1/ppp3pp/2np4/4pp2/N1P1P3/3P2P1/PP2NKBP/R1BQ4 b - - bm f4!;
>2r1rb1k/3q1ppb/p2p4/1pn1p3/4P1QB/1PP1R2P/P3NPB1/3R2K1 w - - bm Ng3!;
>5b1k/2r2bp1/2rp1p2/1p2pB1P/pPn1PP2/2P4R/P6B/2NRK3 w - - bm fxe5!;
>2rqkb1r/1b1n1ppp/pn1pp3/1p6/3NP1P1/2NBBP2/PPP2Q1P/1K1R3R b k - bm Rxc3!;
>r1b3k1/1p4pp/pn3r2/2bpq3/3N4/PP2B1P1/2PQ2BP/R3KR2 b Q - bm Bg4!;
>r5k1/1p4pp/pn3r2/2bpqb2/P2N4/1P2B1P1/2PQ2BP/R3KR2 b Q - bm Rc8!;
>rn1q1rk1/pp1n1p2/3bp1p1/2pp2Pp/5N1P/1P1PP3/PBPNQP2/R3K2R w KQ - bm Nxh5!;
>r1b2rk1/pp4p1/4pb1B/2P5/Pq2B3/1P6/2QP1P2/2KR2R1 w - - bm Rxg7!;
>2k5/8/4p3/1p2q3/2p1P3/2P1Q1P1/5P2/6K1 b - - bm b4!;
>
>Best Regards
>Alexandre Côme


Here is crafty's output (epfpfga command) for 3 minutes per move on my
quad xeon.  Only one it didn't understand was the Rxc3 position.  But if
it ran into that in a game, it would play it instantly as it is a book
move...


r1bq1rk1/ppp3pp/2np4/4pp2/N1P1P3/3P2P1/PP2NKBP/R1BQ4 b - - acd 12; acn
172083013; acs 180; bm f4!; ce 30; pv f4 Nec3 f3 Bf1 Bd7 Be3 Nd4 Rc1 Qe8 h3 Qe6;

2r1rb1k/3q1ppb/p2p4/1pn1p3/4P1QB/1PP1R2P/P3NPB1/3R2K1 w - - acd 12; acn
164172579; acs 181; bm Ng3!; ce -2; pv Qxd7 Nxd7 Bf3 Nc5 Bg4 Rc6 Ng3 Kg8 b4 Ne6
Rf3 Nf4 Nf5;

5b1k/2r2bp1/2rp1p2/1p2pB1P/pPn1PP2/2P4R/P6B/2NRK3 w - - acd 14; acn 162618472;
acs 180; bm fxe5!; ce -69; pv fxe5 fxe5 Rdd3 a3 Bg1 Re7 Rdf3 Kg8 Kd1 d5 Bc5 dxe4
Bxe4 Rd7+ Nd3 Rcc7;

2rqkb1r/1b1n1ppp/pn1pp3/1p6/3NP1P1/2NBBP2/PPP2Q1P/1K1R3R b k - acd 13; acn
155107602; acs 181; bm Rxc3!; ce 29; pv Be7 Nb3 Nc4 Bf4 Qc7 Bxc4 bxc4 Nd2 O-O
Qe3 Rb8 Qd4 Nb6;

r1b3k1/1p4pp/pn3r2/2bpq3/3N4/PP2B1P1/2PQ2BP/R3KR2 b Q - acd 13; acn 176752192;
acs 180; bm Bg4!; ce 126; pv Bg4 Rxf6 Qxf6 c3 Re8 a4 a5 Nc2 Re5 h3 Bf3 Kf1 Bxe3
Nxe3;

r5k1/1p4pp/pn3r2/2bpqb2/P2N4/1P2B1P1/2PQ2BP/R3KR2 b Q - acd 12; acn 177377774;
acs 180; bm Rc8!; ce 113; pv Rc8 Rf3 Re6 c3 Bg4 Nxe6 Qxe6 Kf2 Bxf3 Bxc5 Bxg2
Bxb6 Qxb6+ Kxg2 Qxb3;

rn1q1rk1/pp1n1p2/3bp1p1/2pp2Pp/5N1P/1P1PP3/PBPNQP2/R3K2R w KQ - acd 13; acn
144921829; acs 181; bm Nxh5!; ce 84; pv Nxh5 gxh5 Qxh5 e5 Rg1 Bc7 g6 Kg7 c4 Kf6
g7 Rg8 cxd5 Ke7 Qf5;

r1b2rk1/pp4p1/4pb1B/2P5/Pq2B3/1P6/2QP1P2/2KR2R1 w - - acd 13; acn 214187290; acs
180; bm Rxg7!; ce 783; pv Rxg7+ Bxg7 Bh7+ Kh8 Bxg7+ Kxg7 Qg6+ Kh8 Rg1 Qa3+ Kc2
Qa2+ Kc3 Qa1+ Rxa1 a6 Qh6 Rxf2 Bg6+ Kg8 Qh7+ Kf8 Qh8+ Ke7 Qe8+ Kf6 Qf8+ Kxg6
Qxf2;

2k5/8/4p3/1p2q3/2p1P3/2P1Q1P1/5P2/6K1 b - - acd 16; acn 181266061; acs 181; bm
b4!; ce -142; pv b4 cxb4 c3 Qd3 Qc7 Qc2 Kb7 Kg2 Qc4 Kf3 Qxb4 Ke3 Qc4 g4 e5 f3;



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