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Subject: The arbitrary 16 {let's call them plies anyway} analysis so far:

Author: Dann Corbit

Date: 19:31:42 09/19/00


Someone (Vincent, I think) asked for a running status.  Don't know if anyone
wants to try any additional positions, but here is what has been accomplished:

Not deep enough yet:
2rqk2r/pb1nbp1p/4p1p1/1B1n4/Np1N4/7Q/PP3PPP/R1B1R1K1 w k - acd 14; acn
-1602788425; ce -22; pv Bh6 a6 Bf1 Qa5 b3 Bf6 Rad1 Nc5 Nxc5 Qxc5 Nxe6 fxe6 Qxe6+
Be7 Bxa6 Bxa6 Rxd5; pm Bh6; id "C.A.P. 615636";
2rqk2r/pb1nbp1p/4p1pB/1B1n4/Np1N4/7Q/PP3PPP/R3R1K1 b k - acd 14; acn
-1849201082; ce -20; pv a6 Bf1 Bf6 Rad1 Ne7 Nb3 Qc7 Rd2 Nf5 Rc1 Qd8 Nac5 Nxh6
Rxd7; pm a6; id "C.A.P. 1456475";
2rqk2r/pb1nbp1p/4R1p1/1B1n4/Np1N4/7Q/PP3PPP/R1B3K1 b k - acd 14; acn
-1712846349; ce 3; pv fxe6 Nxe6 Qa5 Bxd7+ Kxd7 Nec5+ Ke8 Qd7+ Kf7 Nxb7 Rc7 Nd6+
Kg7 Qe6 Bxd6 Qxd6 Re8 Bg5 Kg8; pm fxe6; id "C.A.P. 1456477";
N1bk2nr/pp1p1ppp/2n5/8/1b6/5B1q/PPPN1P1P/R1BQK2R b KQ - acd 14; acn -786852736;
ce -64; pv Nf6 a3 Re8+ Be2 Ba5 b4 Nd4 bxa5 Qg2 Rf1 b5 axb6 Rxe2+ Qxe2 Nxe2 Kxe2
Ba6+ c4 Qxa8; pm Nf6; id "C.A.P. 21";
N1bk3r/pp1p1ppp/2n2n2/8/1b6/5B1q/PPPN1P1P/R1BQK2R w KQ - acd 14; acn -537828089;
ce -69; pv a3 Re8+ Be2 Qg2 axb4 Nd4 Rf1 Qf3 Ne4 Qxe4 Ra3 Qxe2+ Qxe2 Rxe2+ Kd1
Rxc2 Be3 Rc4 Rxa7 Rxb4 Bxd4 Rxd4+; pm a3; id "C.A.P. 441901";
r1b1k1nr/pppp1ppp/2n5/1N6/1b6/5B1q/PPPN1P1P/R1BQK2R w KQkq - acd 14; acn
-962233292; ce 75; pv Nxc7+ Kd8 Nxa8 Nf6 Be2 Re8 a3 Qg2 axb4 Nd4 Rf1 Qf3 Ne4
Qxe4 Be3 Nxc2+ Kd2 Nxa1 Qxa1 Qxb4+; pm Nxc7+; id "C.A.P. 45";
r1b2rk1/pp4p1/4pb1B/2P5/Pq2B3/1P6/2QP1P2/2KR2R1 w - - acd 14; acn -2039212006;
ce 1352; pv Rxg7+ Bxg7 Bh7+ Kh8 Bxg7+ Kxg7 Qg6+ Kh8 Qh5 Qa3+ Kc2 Qxc5+ Qxc5 Bd7
Qd4+ Kxh7 Qxd7+ Kg6 Qxe6+ Kh5 Qe5+ Rf5 Qxf5+ Kh6 Rh1+ Kg7 Rh7+ Kg8 Rxb7; pm
Rxg7+; bm Rxg7;
r1bq1b1r/ppn3pp/2p1k3/3np3/2BPQ3/P1N5/1PP2PPP/R1B1K2R w KQ - acd 8; acn
2147483647; ce -37; pv f4 b5 Ba2 Qh4+ g3 Qh5 O-O Ke7; pm f4; id "SC:DGD000140";
r1bq1b1r/ppp3pp/4k3/3np3/1nB5/2N2Q2/PPPP1PPP/R1B1K2R w KQ - acd 8; acn
2147483647; ce -43; pv Qe4 b5 Bb3 c5 d3 Bb7 Nxb5 Bc6 a4 g6 d4; pm Qe4; id
"SC:DGD000146";
r1bqk1nr/pppp1ppp/2n5/b3P3/2B5/2P2N2/P4PPP/RNBQK2R b KQkq - acd 14; acn
-899483107; ce 56; pv Nge7 Ng5 Nxe5 Bxf7+ Nxf7 Nxf7 Kxf7 Qh5+ Ng6 Qd5+ Ke8 Qxa5
c6 Qh5 Qh4 Qe2+ Qe7 Be3; pm Nge7; id "C.A.P. 442549";
r3qr1k/pp3pbp/2pn4/7Q/3pP3/2NB3P/PPP3P1/R4RK1 w - - acd 14; acn -2059324977; ce
369; pv Rf6 Nf5 Qxf5 Qc8 Ne2 Bxf6 Qxf6+ Kg8 Nxd4 Qd8 Qf2 Qg5 Rd1 Rad8 Nf5; pm
Rf6; bm Rf6; id "Mike's computer test 2: 0004";
r4r1k/bpq3pp/p1b2n2/8/2B5/PQ4NP/1P1B1PP1/R4RK1 b - - acd 14; acn -872875024; ce
109; pv Ng4 hxg4 Rf3 Qxf3 Bxf3 Be3 Bxe3 fxe3 Bxg4 Rf4 h5 Raf1 Qc5 Rd4 Rc8; pm
Ng4; bm Ng4; id "Soszynski 80 #45";
rn1q1rk1/ppp2ppp/8/2bP1b2/4nPP1/5N2/PPP1Q2P/RNB1KB1R w KQ - acd 14; acn
-387440191; ce 47; pv gxf5 Re8 Qg2 Ng3+ Kd1 Nxh1 Qxh1 Qxd5+ Bd3 Nc6 f6 gxf6 Qg2+
Kf8 Nc3 Qd6 Bd2; pm gxf5; id "C.A.P. 443745";
rn2kb1r/1bq2ppp/3ppn2/1B2P1B1/1p1N1P2/5Q2/PPP3PP/2KR3R b kq - acd 8; acn
2147483647; ce 200; pv Nfd7 Qg4 b3 Nxb3 dxe5 fxe5 Qxe5 a4 Bd5; pm Nfd7; id
"SC:DGD004972";
rnb1k2r/ppp2p1p/5n2/3qN3/1b1P1ppP/2N5/PPP2KP1/R1BQ1B1R b kq - acd 14; acn
-747779956; ce 60; pv Bxc3 bxc3 Ne4+ Kg1 Nxc3 Qd3 f6 Bxf4 Nxa2 c4 Qd8 Ng6 hxg6
Qxg6+ Kf8 Rxa2 Qxd4+ Rf2; pm Bxc3; id "C.A.P. 443970";
rnb1kbnr/ppp2p1p/8/3B2p1/4Pp1q/6P1/PPPP3P/RNBQ1KNR b kq - acd 14; acn
-1146319790; ce 6; pv Qh6 gxf4 gxf4 Qf3 Nf6 d4 Nxd5 exd5 Rg8 Bxf4 Qf6 Qe3+ Be7
Ke1 Qb6 Qe4; pm Qh6; id "C.A.P. 2165";
rnbqk1nr/pppp1ppp/8/8/2B1P2b/5N2/PPPP3p/RNBQ1RK1 w kq - acd 8; acn 2147483647;
ce -88; pv Kh1 Bg3 Ne5 Qe7 d4 Nf6 Bxf7+ Kd8 Bg5 d6 Nc3 Bxe5; pm Kh1; id
"SC:DGD000616";
rnbqk1nr/pppp1ppp/8/8/2BPPp1b/5N2/P1P3PP/RNBQK2R w KQkq - acd 8; acn 2147483647;
ce -50; pv Kf1 Nc6 Bxf4 d6 g3 Bf6 Kg2 Nge7 e5; pm Kf1; id "SC:DGD000627";
rnbqk2r/ppp2ppp/5P2/2b4Q/2pp4/2P5/PP3PPP/RNB1K1NR b KQkq - acd 14; acn
-836286879; ce 69; pv O-O Qxc5 Re8+ Ne2 d3 Be3 dxe2 Qd4 Qxd4 cxd4 g6 Kxe2 Nd7
Nd2 c3 bxc3 Nxf6; pm O-O; id "C.A.P. 444718";
rnbqkbnr/ppp2p1p/8/3pN3/3PPppP/8/PPP3P1/RNBQKB1R b KQkq d3 acd 14; acn
-1440907206; ce 54; pv Nf6 Nc3 Bb4 exd5 Nxd5 Bd2 f3 gxf3 Nxc3 Bxc3 Bxc3+ bxc3 g3
Bb5+ c6 Bc4 O-O Qd3; pm Nf6; id "C.A.P. 445659";

Dieter's Mercy rule:
[D]r1b1r1k1/ppq2p1p/3b1ppQ/2n5/8/3B2N1/PPP2PPP/R1B2RK1 w - - acd 15; acn
51483827; ce 736; pv Nh5 Bxh2+ Kh1 gxh5 Bxh7+ Kh8 Bg6+ Kg8 Qh7+ Kf8 Bh6+ Ke7
Qxf7+ Kd6 Qxe8 Nd7 Rad1+ Kc6 Qe4+ Kb5 Qd3+ Qc4 a4+ Kc5 Be3+ Kb4 Qxc4+ Kxc4 Kxh2;
pm Nh5; id "C.A.P. 620181"; c0 "Dieter Buerssner on September 15, 2000 at
05:17:38";

Solved, poems done:
[D]2r3k1/pp1b1p2/1q1pp1p1/2r3Pn/4P3/1BN2Q2/PPP5/1K1R3R w - - acd 16; acn
-1678479323; ce 438; pv Rxh5 gxh5 Rf1 Be8 Bxe6 Rxg5 Bxc8 Qc6 Bf5 Bd7 Bh3 Rg7
Bxd7 Qxd7 Qxh5 Rg2 Nd5; pm Rxh5; id "C.A.P. 1477341"; c0 "Michel Langeveld on
September 14, 2000 at 23:55:25";
[D]2r3kr/5pp1/7p/3PQRb1/ppq1B3/8/PPP3PP/1K1R4 w - - acd 16; acn 287155000; ce
1150; pv Rxf7 Bf6 Rxf6 gxf6 Qe6+ Kf8 Qxf6+ Kg8 Qe6+ Kf8; pm Rxf7; id "C.A.P.
1418836"; c0 "Mark Young on September 15, 2000 at 00:29:11";

Solved, poems still owed:
[D]r1bq1r2/ppp2pkp/3p2nn/2bN2NQ/2B1P3/8/PPp3PP/R1B2R1K w - - acd 16; acn
239964337; ce 652; pv Nxh7 Ng4 Ng5 Qxg5 Bxg5 Be6 Nf6 Rh8 Bxe6 Nf2+ Rxf2 Bxf2 Qf3
Bh4 Nh5+ Rxh5 Qxf7+ Kh8 Bxh4 Rxh4 Qxg6; pm Nxh7; id "C.A.P. 620389"; c0
"Gian-Carlo Pascutto on September 18, 2000 at 15:23:59";
[D]r1bqk1nr/pp1nbppp/2pp4/4p3/2BPP3/5N2/PPP2PPP/RNBQ1RK1 w kq - acd 16; acn
-2001406772; ce 41; pv dxe5 dxe5 Qe2 Ngf6 Rd1 b5 Bd3 O-O a4 b4 c3 c5 Bc4 Qc7
cxb4 cxb4 Bg5; pm dxe5; id "C.A.P. 442431"; c0 "Gian-Carlo Pascutto on September
18, 2000 at 15:23:59";
[D]r1bq1b1r/pp4pp/n1p1k3/3np3/2B1Q3/P1N5/1PPP1PPP/R1B1K2R w KQ - acd 16; acn
2127989527; ce -108; pv d4 Nc7 dxe5 Kf7 Qf3+ Kg8 Nxd5 Nxd5 Bg5 Qa5+ Bd2 Qc7
Bxd5+ cxd5 Qxd5+ Qf7 Qxf7+ Kxf7 O-O-O Be6; pm d4; id "C.A.P. 442120"; c0
"Gian-Carlo Pascutto on September 18, 2000 at 15:23:59";
[D]r4r2/q1pb1pkp/1p1p2p1/2nPpP1P/2P1P3/p1N2P2/PP1Q4/2KR1BR1 w - - acd 18; acn
31230467; ce 32750; pv f6+ Kh8 Qh6 axb2+ Kb1 Qxa2+ Nxa2 Ne6 dxe6 Rg8 hxg6 Rxg6
Rxg6 Rg8 Rxg8+ Kxg8 Qg7#; pm f6+; bm f6+; id "Soszynski 80 #19"; c0 "Michel
Langeveld on September 16, 2000 at 01:56:33";


The records with SC:DGD in the ID are from a supercomputer.  The acd is pretty
well meaningless from the standpoint of my challenge for those records.  It will
be hard for me to know if even a 16 ply answer is better than those suggested
moves, so I hope any deep analysis prefers the same pm.



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