Author: William Kerr
Date: 18:39:06 02/21/05
What follows is a large collection of positions posted here concerning for solving on portables and standalone chess computers. I also threw in many of my own. Many positions also include solve times by various chess machines. I'm sure some people here will recoginize these positions that they posted. These positions came from an excel file which also includes the chess diagram from EPD2diag program. To save space I stripped out the diagrams. Enjoy Bill r3qr1k/pp3pbp/2pn4/7Q/3pP3/2NB3P/PPP3P1/R4RK1 w - - bm Rf6; Novag Amber finds Rf6 in about 40 sec. at 6 ply. Mach 3 in 3:34 min. score 4.24; Novag Sapphire2 does find Rc8+ in about 56 seconds, 29 sec, Novag Scorpio......1 min. Mach3 found it at 2 minutes and 16 sec.; k7/8/PP6/K7/4p3/2Rp4/2r5/8 w - - bm Rc8+;id Mate in 9. Novag Sapphire 2 can only find...Bg5 - even at 8 ply.; 3r1rk1/pbp1b1pp/8/5q1n/2P1p1N1/1N2Q2P/PP3BP1/R1R4K b - - bm Rd3; Novag Sapphire 2 can only find...Bg5 - even at 8 ply.; 3r1rk1/pbp1b1pp/8/5q1n/2P1p1N1/1N2Q2P/PP3BP1/R1R4K b - - bm Rd3; 7k/1p3p2/4pNpB/1b2K3/3p4/8/8/8 w - - bm Kd6;id mate in 4, TurboStar432 takes about 9 minutes, Novag Scorpio takes 7.8 sec, Scisys 1850 worked it out in 3 minutes using the mate solving level, Scisys Chess Champion 2150L finds the solution in 35 sec; mscp 3 sec star diamond 6 sec m4 3r3k/p4Qp1/7p/1b1Bp3/4Pp2/7R/4nqPP/4R2K w - - id Mate in 10. Saitek Travel Champion takes just 5 ply and finds it in 17 sec, Novag Amber takes about 25 sec, Fidelity Par Excellence (5 Mhz) takes 6 ply ....3 min. and 21 sec, Fidelity Mach 3 (16 Mhz) finds it in 27.5 sec; atlanta 47 sec m11 Rxh6 star diamond 2 sec m11 pf1 12 sec crafty 6 sec 8/6k1/1P1p2p1/3Ppn2/3q4/8/6PP/rR2QB1K b - - bm Ng3; mach3 0 sec risc 2500 11 sec sel, 2 sec brute r1b2rk1/3n1ppp/p7/Qp1q2B1/P1pPp3/2P1P3/2B2PPP/R3R1K1 w - - bm axb5; designer 2100 can't find 30 min; r1bq1rk1/pp3pbp/2pp1np1/2n3B1/2PNP3/2N2P2/PP1QB1PP/R4RK1 b - - bm Nfxe4;; designer 2100 can't find 20 min r2qk2r/ppp2p1p/3p1np1/2b1P3/2BnP3/2NP3P/PPP3P1/R1BQK2R b KQkq - bm Nh5; Bq1B1K2/3PpN2/P3Pp2/P1p2P2/2Pk1b1R/1p6/pN1P1P2/QR6 w - - id Babson Task mate in 4; 2b1nrk1/pr3ppp/1q2p3/2p1N1P1/2P5/1P2Q3/P1B2P1P/2KR2R1 w - - bm Bxh7+; Saitel Risc takes 7 ply 3:38; junior5 2:33 mscp > 17:00 pf2 e125 37 sec 2rq1rk1/pp3ppp/2n2b2/4NR2/3P4/PB5Q/1P4PP/3R2K1 w - - bm Qxh7+;id portables mate in 6; novag scorpio 6:26 mach3 7ply 44:00 saitek risc 28 sec saitek cougar 7ply 3:40 super novag 6mhz 3 hrs 3q1rk1/5pp1/3p3p/1Q1N3P/2p3P1/R4n2/rPP5/2K4R b - - bm Ra1;id for portables; sapphire2 12 sec 6ply mach3 27 sec novag scorpio 33 sec 1r5k/2q2p1p/p2p3B/n4PQ1/2p5/2b4P/PrB3P1/2R1R1K1 w - - bm Re5;id for portables; saitek risc 44 sec saitek cougar 90 sec r3kb1r/pRnnpppp/8/3p4/Q7/2qBB2P/P1PN1PP1/5RK1 w kq - bm Bd4;id for portables; turbostar432 12 min super novag 6mhz 3:33 mach3 1:52 radio shack 2200x 47 sec novag amber 10sec saitek risc 7 sec mondial 3 sec 1b2r1k1/6pp/pp6/7Q/1n2r3/Pq1NB3/1P2P2P/R5RK w - - bm Rxg7+;id for portables; excel 5 sec, very good 10 sec, good 15 sec, avg 30 sec super constelation 28 sec novag emerald 11 sec star ruby 11 sec sapphire2 13 sec kasparov capella 10 sec sapphire 3 sec 3k4/p2p2q1/2rN1n1r/2P5/8/5Q2/PP1K1P1P/4R3 w - - bm Qxf6+;id portables; turbostar432 40 sec novag vip 21 sec polger 23 sec mondial 3 sec excellance 18 sec comet 22 sec 2r1rnk1/ppqb1ppp/5n2/8/3PP3/P2B2N1/3Q2PP/1RB2R1K w - - bm Rxf6;id move for portable; r2r1nk1/2p3p1/p1P1pq1p/1p1bNp1Q/3P1P1b/3BB3/PP5P/2KR2R1 w - - bm Rxg7+;id for portables 1nbq1r1k/3rbp1p/p1p1pp1Q/1p6/P1pPN3/5NP1/1P2PPBP/R4RK1 w - - id tough mate in 4 crafty 25 sec; crafty 25 sec rebel 0 sec star diamond 1:17:00 no solve, 58 sec mate level pf1 9 sec m4 mscp 11:08 3r3k/p4Qp1/7p/1b1Bp3/4Pp2/7R/4nqPP/4R2K w - - id mate in 10 for portables; 1r4k1/p1p2pp1/7p/3q3P/7b/KN2Q2P/PPP5/RN5R b - - bm Be7+;id For PDA mate in 6; star diamond 1 sec m5 pf1 4 sec m8, 20 sec m6 chess tiger palm 66mhz 90 sec pf1 206mhz m6 20 sec 4rrk1/p1p2pp1/7p/6qP/7b/1N2PQ1P/PPP1K3/RN5R b - - bm Rxe3+;id for PDA; black winning star diamond < 14 sec -1.14 8ply Rxe3+ fritz7 30 sec athlon1.2 8/5K2/3N3N/8/5k2/7B/5B2/8 w - - id mate in 4, tough for null movers; 8/8/8/8/8/6P1/6k1/4KR1R w K - bm Rf4;id sam loyd mate in 3; mscp 0 sec rn1qr1k1/pbp2pb1/1p4p1/3p4/3P4/2NBPN2/PPQ2PP1/R3K2R w - - bm BxP;id for portables,; star diamond 0 sec 1.76 7ply pf2 36 sec Bxg6 1.63 7 ply old novag Bxp 5:38 super novag 2:10 sapphire2 1 sec 3 ply pocket grandmaster 4 ply 2 sec with gromit 3.10.16 engine 2q2QB1/4p1R1/2p1N1r1/4pb2/2N5/B1Kp4/P3R3/rk5n w - - bm Nc7;id very tough mate in 2; mscp 1 sec 3r4/pr2n3/1p3kp1/8/3NP1b1/3BK3/P4P1R/1R6 w - - bm Rh4!!; Karpov vs Kasparov Mephisto found move (pocketfritz 7:00); star diamond 57 sec +.5 8 ply pf2 1:14 +1.11 craft 12 sec pf1 7:00 cm9k 13 sec sapphire2 42 sec 0.15 7ply, 0.5 8ply atlanta < 21 min 8/6N1/K2k3B/4p3/8/p7/2PP4/8 w - - bm Nf5;id for PDA's White to move and win >+2.10; 1b6/kPp5/p1P5/R5Rr/P1N1P3/8/6p1/6Kb w - - id mate in 5; star diamond 8 sec m5 sapphire2 12 sec m5 6bk/PPPP1R1p/3rp2N/4p3/4P3/4K3/3rP3/8 w - - id mate in 5 with 4 consecutive under-promotions; pf2 0 sec m12 star diamond 15 min no solve 9ply +24.3 3nn3/2p2p1k/1p1pp1p1/p2B3p/r2B2N1/7N/8/7K w - - id mate in 12, all checks; pf2 0 sec m12 star diamond 0 sec m11 r2r3k/p1p1p2p/2Q5/3PKp2/2P1bP2/BP5B/P4q1P/3R2R1 w - - bm Bxe7; belle announces mate in 8; pf2 e125 46 sec m10, 1:06 m8, 1:20 m7 star diamond 14:00 m6 R5Nk/7p/4pbpP/n1p4n/2p1b3/K1p3pq/8/8 w - - bm Rb8;id saphire ii mate in 6 IN-6 0:46; pf2 e125 0 sec m6 4K3/3pPP2/7p/3PB3/6pP/pP6/prP3P1/kb4R1 w - - id mate in 5; 2r3k1/1p2q2p/p6Q/3pp1p1/2r1n3/2P2P1R/PP4PP/R5K1 b - - id mate in 5; r3r3/pp2qpkp/3R3p/2p5/P3p3/1P5P/2PQ1PP1/4R1K1 w - - id mate in 5; 8/8/2K5/p1n1ppp1/1bN3n1/2kr3P/P1N2p2/2Q2B2 w - - id mate in 4; 5nR1/r3q3/p6k/1pp2p1P/4pP2/PP2P3/2P1B3/Q5K1 w - - id mate in 4; 7r/7p/7P/8/2Q5/PB2p3/PpN1N3/1k2K3 w - - id mate in 3; rnbq1bnr/ppp3pp/6k1/3BQ3/4P3/8/PPPP1PPP/RNB1K2R w KQ - bm h4; one of the oldest analyzed positions; 5Kbk/6pp/6P1/8/8/8/8/7R w - - bm Rh6; first mate in 2 solved by a computer. MADM in 15 min in 1951; 1r4k1/1rqb1pb1/p2p1npB/3Pp3/2p1P1P1/2N2P2/PP1Q4/1KNR3R w - - bm Bxg7; score keeps increasing by big jumps; 2kr1b1r/1pp1qp1p/3p2p1/1P1Pp3/2Q1P1n1/R4N2/1PP2PPP/5RK1 w - - bm Qc6;id mate in 4; pf1 6 min no solve star diamond 40 min b5b6 +2.53 10ply atlanta 4 sec m5 Qc6 crafty 6 sec 8/8/8/2ppp3/2pkp3/2ppp3/7K/5N1Q w - - id mate in 4; 7k/1p3p2/4pNpB/1b2K3/3p4/8/8/8 w - - id tough mate in 4 for some engines; 1kbr3r/pp6/8/P1n2ppq/2N3n1/R3Q1P1/3B1P2/2R2BK1 w - - id easy mate in 11; star diamond 6:18 m10 pf2 13 min no solve 1n6/8/8/R3Np1K/1N3k2/1R6/1P5P/3n4 w - - id tough mate in 5 for CM9K; r4rk1/1ppq1pp1/p2bbn1p/nP1pp3/P1P5/3P1NP1/1B1NPPBP/R2Q1RK1 b - - bm dxc4; longest consecutive captures (17); r2qk2r/pp1nbRpp/4Q3/1B6/8/3p4/PPP3PP/5RK1 w kq - bm Kh1;id tough mate in 4; 8/p1p2n1k/1p1b1R1p/1r1q1PPQ/1N1B3K/2P4P/8/8 w - - id mate in 2; k1K5/1b6/pP6/8/8/8/R7/8 w - - id zugswang null move mate 3 7/19/99; 8/8/6P1/8/8/7n/5k1n/7K b - - id crafty 17.5 prob mate 3 12/23/99; 2r3k1/qp1bnnbr/4p1Q1/p2P3P/7N/PN4B1/5PP1/1R2R1K1 w - - bm dxe6; id personel computing 2/00 (do 10 ply search); pv dxe6 Nxg6 exf7+ Kxf7 hxg6+ Kg8 gxh7+ Kxh7 Re7 Bg4 Be5 Rg8 Nd4 Qc5 Rb1xb7 Qc1+ Kh2 Kh6 Bxg7+; 1k1r4/pp1b1R2/3q2pp/4p3/2B5/4Q3/PPP2B2/2K5 b - - bm Qd1+;id advances in CC3 #1; 3r1k2/4npp1/1ppr3p/p6P/P2PPPP1/1NR5/5K2/2R5 w - - bm d5;id advances in CC3 #2; 2q1rr1k/3bbnnp/p2p1pp1/2pPp3/PpP1P1P1/1P2BNNP/2BQ1PRK/7R b - - bm f5; advances in CC3 #3; rnbqkb1r/p3pppp/1p6/2ppP3/3N4/2P5/PPP1QPPP/R1B1KB1R w - - bm e6;id advances in CC3 #4; r1b2rk1/2q1b1pp/p2ppn2/1p6/3QP3/1BN1B3/PPP3PP/R4RK1 w - - bm Nd5;id advances in CC3 05; 2r3k1/pppR1pp1/4p3/4P1P1/5P2/1P4K1/P1P5/8 w - - bm g6;id advances in CC3 #6; 1nk1r1r1/pp2n1pp/4p3/q2pPp1N/b1pP1P2/B1P2R2/2P1B1PP/R2Q2K1 w - - bm Nf6; advances in CC3 #7; 2bnN1k1/6P1/4p3/1P2N1P1/3K4/8/8/8 w - - bm g6;id how long mate in 4 02/08/00; pf2 e125 3 sec m4 3r4/1P2R3/3P2k1/3n4/1B4pp/8/6K1/8 b - - bm Nxe7;id levy vs chess 4.7; 3R4/4k1p1/1b6/2b2P2/5PP1/5K2/Pr3B2/8 w - - bm Bh4+;id chess 4.7 vs levy; 1q2kr2/rB2bbp1/3p1n2/1NpP2BN/P4P1p/1P2Q3/6PP/R3K2R w - - id mate in 6 02/12/00; 3q3k/5pp1/p1b2n2/2p3P1/1pP1p3/1P2P1Q1/P2r1N1P/2RB2K1 b - - bm Nh7?; browne vs chess 4.6 comp thought 9:20, 2,158,456 moves; 3nr1k1/p6p/2n1pRpB/3pP3/2pP2P1/q1P4P/6BK/5Q2 w - - bm Rxg6+; Fidelity Mach 3 takes 8 hours; r4rk1/1pp3q1/2n1b2p/8/3Pp1p1/NPQ3P1/2N1R1PP/1R4K1 b - - bm Rxa3!; 15 sec on Radio Shack dedicated machine; 6k1/2q2rp1/p1r1pbQp/1p2p2P/4P3/1PPR1RPB/5P2/6K1 w - - bm Rxf6!; 1 min 12 sec on Radio Shack dedicated machine; r5k1/pbq2ppp/1p2pn2/2brN1B1/8/2PB4/PP2QPPP/3RR1K1 b - - bm Rxe5!; id 1 min 23 sec on Radio Shack dedicated machine; r2r3k/1p1q1pn1/2p3p1/p3P2p/P2PQP2/2PB3P/7K/1R4R1 w - - bm Rxg6!; id 1 min 43 sec on Radio Shack dedicated machine; r3nnk1/5pp1/1qp4p/p1N1P3/1pB2P2/P4QP1/1P5P/3R3K w - - bm Bxf7+!;i d 49 min 48 sec on Radio Shack dedicated machine; r6r/pp2kp2/3p4/2pPb3/2P1P1Qp/Pq1B3P/1P4P1/1R3RK1 w - - bm Rxf7+!; id 7 hours 59 min 12 sec on Radio Shack dedicated machine; 8/8/8/8/8/6P1/6k1/4KR1R w - - id Sam Loyd mate in 3; rkB5/ppp4R/3B1P2/3PpK2/8/5Q2/8/8 w - - id mate in 2; 5Nk1/5pPp/4PB1p/1KpP2p1/6R1/1B5p/P7/8 w - - id mate in 2; 2r1r1k1/1bq2ppp/3R4/p1n1pNB1/2p1P3/2P2QNP/1P3PP1/6K1 w - - bm Bf6;id for portables; r4rk1/2p1b1p1/p3q3/np1p4/3P1BR1/2P2Q1P/P1B2P2/R6K w - - bm Rxg7+;id for portable; pf1 1 sec pocket grandmaster ipac 2 sec for Rxg7+, +7.96 at 13 sec 8/8/6kN/8/6NK/8/p4P2/B7 w - - bm f3;id mate in 6; pf1 7 sec m7 star diamond 24 sec m5 chess tiger14.9 palm 54mhz m6 1 min R7/5prp/4pk2/1p2P3/5p1P/1B1n1P2/P4Pr1/5R1K b - - id black mate in 8; 3Rn3/8/8/5r1b/n1pPN3/1r3kPP/p2P3K/4Q3 w - - id mate in 6 from CCR 1986; 1r2r1k1/3b1p1p/p4PpB/2qPp3/p1P1R2Q/P7/6PP/5R1K w - - bm Bg7;id for portables; pf1 50 sec +1.28, +4.89 at 2:20 chess tiger14.9 @54mhz Bg7 in 24 sec, 2 min +4.60 4qb1k/2n1r2p/4pp1B/3n3Q/1p1PN3/5PR1/5P1P/6RK b - - id tough mate in 5; pf1 30 sec m10, 40 sec m7, 50 sec m5 star diamond 20 sec n1rb4/1p3p1p/1p6/1R5K/8/p3p1PN/1PP1R3/N6k w - - id very tough mate in 5; pf2 e125 1:30 m5 mach3 master 15 min 5rk1/1p3ppp/1p6/p1q1PR2/2B1b3/1PP5/6PP/3Q3K w - - bm Rxf7;id for portables; 2r1r1k1/1p1q1ppp/3p1b2/p2P4/3Q4/5N2/PP2RPPP/4R1K1 w - - bm Qg4;id pocket computers; travel companion Qg4 2 sec 4ply, 22sec +3.7 pocket grandmaster ipaq 5 sec 8/p1r1qpk1/b3p1p1/2n1P1N1/1Q2B2P/P1R5/5PP1/6K1 w - - bm Bxg6;id for handhelds; pf1 >10 min Rf3 2.07 10ply, 15 min Bxg6 2.08 10ply cm8k 1:07 star diamond 7:20 e4f3 +1.57 9ply novag sapphire 6:46 3rnqk1/5r1p/2pbQ1p1/2ppBN2/2P2P2/pP1PPR1P/P7/6RK w - - bm Rxg6+;id for handhelds; 3qrrnk/ppnbbppp/2p5/2PpBP2/1P1P3R/P2B2N1/6PP/R2Q2K1 w - - bm Bxp+; id for portables mate in 7; star diamond 3 sec m6 Bxg7+ pf1 6 sec m7 tiger palm sony 42 mhz m7 13 sec r4rk1/p4ppp/2b1p3/1p2P3/1qNQ4/4R3/5PPP/1BR3K1 w - - id test for portables; chess genius palm1.5 16 mhz 2:17 chess tiger 14.9a 16mhz 7:30 pf1 33 sec Bxh7+ +3.30 sapphire2 15 sec b1h7 +5.61 mach3 27 sec novag super vip 5:00 pocket grandmaster ipaq 2 sec r3r1k1/1pp2ppp/p1bp4/8/4nPq1/1Q2BN2/PPP3PP/4RRK1 b - - bm Re6;id for portables; b7/2brn3/pp3B1k/6R1/P6N/1B5P/5PP1/6K1 w - - bm g4;id for portables mate in 8; chess tiger on palm 10 sec mephisto 68030,pf, pocket genius 2 sec chess tiger14.9a @ 54mhz g4 0 sec, m8 in 7 sec rq1r4/2nn1p1k/2b1p1pP/1pPp2Q1/1P3NB1/2N2P2/3RP2P/3R2K1 w - - bm Bxe6;id For portables; novag > 12 hrs no solve chess tiger14.a 42mhz Qe7 from start pf1 on ipac e4 even after 5 min 1k1r4/1pp4p/2n5/P6R/2R1p1r1/2P2p2/1PP2B1P/4K3 b - - bm e3;id portables -4.0; star diamond 5 min d8e8 9ply no solve pf1 8 sec e3 atlanta < 24 min e3 pocket geinous 221mhz 2 sec pf1 221mhz 2 sec palm genius 28mhz 63 sec mephisto roma 133 sec palm chess tiger14.9a 42 mhz 8:30 6k1/2b2p1p/ppP3p1/4p3/PP1B4/5PP1/7P/7K w - - bm Bxb6;id portables +3.24; mephisto roma 35 sec pf1 221mhz 47 sec palm chess tiger14.9a 42 mhz 6:26 r3rn1k/pbqnb1pp/1pp2p2/2P2P2/2BPQ2N/P3PR2/1P4PP/R1B3K1 w - - bm Qe6;id portables; novag emerald 55 sec novag amber 45 sec super novag 6 mhz 43 sec saitek cougar 6ply 25 sec novag scorpio 24 sec star ruby 28 sec 7ply star diamond 11 sec radio shack 2250xl 54 sec rn1qk2r/1b2bppp/p2ppn2/8/Np1NP3/1B2BP2/PPP3PP/R2QK2R w KQkq - bm Bxe6;id portables; R40 plays Bxe6 atlanta 40 sec 3q1rk1/p2b1p1p/1r1R3Q/4p1pP/1p2P3/1P3P2/1PP1N1P1/2K4R b - - bm f6;id traps the queen; Rr6/6k1/2PK1p2/6p1/4p3/4P3/4bP2/R7 w - - bm Rxb8;id tough mate in 9; atlanta 1:15:00 no solve fritz2 xp3k 25 sec m12 yacepdb 43 sec m?, 1:44 m9 pf2 e125 6 min no solve r2qk2r/ppp2p1p/3p1np1/2b1P3/2BnP3/2NP3P/PPP3P1/R1BQK2R b - - bm Nh5; atlanta 15 sec r1b1k2r/2p2ppp/p1Q5/2b5/7q/2n5/PPPP1PPP/R1B2RK1 b kq - bm Bd7;id portables; excellance 7:50:00 novag super constellation 1 hr mach3 35 min 8 ply saitek cougar 3:45 8 ply radio shack 2200x 51:22 h8 @ 10mhz, saitek gk 2000@ 16mhz atlanta < 1:00 pf2 e125 1:33 +2.55 rr1q2k1/1p2bpp1/2p1p2p/P1Pn4/2NP4/3Q1RP1/5PKP/2B1R3 w - - bm Rf6;id portables; novag scorpio 1:30:00 8 ply saitek risc 18:33 8 ply novag star ruby 38 min no solve crafty xp3k 2 sec pocket fritz2 Bf6 2 min 2r1r1k1/2b3p1/pp6/7Q/Pn2N2P/1q6/7P/2B3RK w - - bm Rxg7+;id portables; mach3 5 min saitek cougar 7 min 5k2/1pp2ppp/5n2/3r4/7Q/r4P2/q5PP/2B1RB1K w - - bm Qxf6;id portables; novag star ruby 14 sec 5 ply novag emerald 25 sec 5 ply sapphire ii 6 sec novag scorpio 39 sec mach3 1:25 1kbr3r/pp6/8/P1n2ppq/2N3n1/R3Q1P1/3B1P2/2R2BK1 w - - bm Qf4+;id mate in 11; n1rb4/1p3p1p/1p6/1R5K/8/p3p1PN/1PP1R3/N6k w - - bm b4;id mate in 5; r4rk1/p3qppp/5n2/p2pP3/8/R2BP3/5PPP/3Q1RK1 w - - bm exf6;id portables; mach3 30 min novag scorpio 25 min risc 1:28 (saitek 2500) star diamond > 1 hr no solve palm tungsten saitek cougar Qa1 108 pocket fritz2 < 1:51 +4.00 atlanta < 30 sec 2r4k/ppqbpp1p/3p1npQ/3R4/2r1P1P1/2N2P2/PPP1N3/1K5R w - - bm Rf5!!;id portables; dell axim 560 mhz overclocked atlanta < 25 min mach3 1:09:00 2r3kb/ppqb3p/3pp1pB/8/2r1P3/1NP2P2/PP1Q2P1/2KR3R b - - bm Rxc3;id portables; pocket fritz2 e125 1:55 pocket fritz2 dell axim (590 mhz) 30 sec, GC no solve in 4 min palm hiarc on tungsten t3 (400 mhz) 4 sec +2 eval 2q3k1/1p4pp/3p1b2/pb1Pp3/r5P1/1P1nQN1P/P2N1P2/R1B3K1 b - - bm Rxg4+;id deep blue 1995; hitech vs deep blue novag scorpio RxPck 85 sec risc 2500 78 sec 6 ply super novag (6 mhz) 12 sec 1r3k1r/6pp/p3Qp2/P7/q1P5/8/1n4PP/1R3R1K w - - bm Rxf6+;id portables white wins; mach3 19:27 novag scorpio 5 min cougar 120 sec novag sapphire2 40 sec saitek RISC 25 sec CM9k M16 @ 0:06, m14 @ 0:20 r1b1qnk1/ppp2p2/1b5Q/2npP1N1/8/2P5/PP3PPP/RN2R1K1 w - - bm Re3;id portables; Re3 .. Be6 saitek cougar plays both moves at 5 ply novag amber plays both moves at 6 ply mach3 49 sec to find Re3 polgar (5 mhz) 3:20 to find Re3 r4knr/5pp1/p1p3q1/3p4/5Bp1/1QP4P/PP3P2/R3R1K1 w - - bm Qb7;id portables; Fischer played Qb7 (1961) mach3 31 sec mondial 2:35 tubostar432 15 min novag amber 40 sec novag scorpio 19 sec saitek cougar 15 sec 7k/8/5N1P/8/8/5bp1/8/B5K1 w - - bm Be5;id mate in 5; cm9k piii-733 1 sec pf1 7 sec m5 star diamond 36 sec m4 fritz & junior have hard time r5k1/ppp2r1p/3p3b/3Pn3/1n2PPp1/1P2K1P1/PBB1N2q/R2Q3R b - - bm Rxf4; id portables; yace 26 sec pocket genous 1:27 pf1 < 50 sec -1.64 cm8k piii-600 < 10 min mate 4r1k1/p1qr1p2/2pb1Bp1/1p5p/3P1n1R/1B3P2/PP3PK1/2Q4R w - - bm Qxf4;id mate in 6; pf2 11:15 m6 pf1 18:10 m13, 18:47 m7 atlanta - can't set up since king in check cm9k piii-600 1 sec m6 crafty 4:14 m6 1k6/pp3p2/5P2/1p6/1p6/1P6/7P/1K6 w - - bm h4;id portables; pf1 3 sec +7, 30 sec +3, 3:30 +2.71 28ply, 5:00 30ply star diamond h4 0 sec, 1:36 0.00 8/p3q1kp/1p2Pnp1/3pQ3/2pP4/1nP3N1/1B4PP/6K1 w - - bm Ba3; id score jumps to +3.18 after 2 min (rebel 2:41 to see move 3:21 for score); r4rk1/pp3ppp/2p4q/2P5/1b1P4/1B3NPb/PP2Q2P/R4RK1 w - - bm Ne5;id portables; novag constelation forte 22 sec star ruby 5 min 9ply Rf2 no solve 3r1rk1/bpq2pp1/p1b1p3/2P4Q/1P6/P7/1B3PPP/2R2RK1 w - - bm Bxg7;id for portables; mach3 62 sec novag scorpio 41 sec star ruby 5 min Qg4 8ply 7k/qbp2ppp/1Nr1pn2/4Q3/8/2B2P2/8/1R5K w - - bm Qxn;id mate in 6 for portables; mach3 49 sec star ruby 23 sec novag scorpio 28 sec 5r1k/pp4p1/2q3Pp/8/4r2Q/1B6/PP6/3R2RK w - - bm Qxh6+; portables - mate in 4, knight promotion; most novags 2 to 3 seconds star ruby m6 in 6 sec 6r1/2rp1kpp/2qQp3/p3Pp1P/1pP2P2/1P2KP2/P5R1/6R1 w - - bm Rxf7+; id mate in 14 GM Shirov said no computer find this move; craft 11 sec m15 ruffian 12 sec m yacepdb 4 sec m pocket fritz2 no solve 2 min 8/2pB4/6p1/1PK2pPb/1P3pk1/5N1p/4Q2P/8 w - - id mate in 4; mscp 14 sec 1kB5/p1p5/P1P5/PKp5/P1P5/8/7p/6bR w - - id quick mate in 7 sapphire ii 38 sec m6; star diamond 25 sec m5 k1n5/p1K1P3/P7/8/8/8/8/8 w - - bm e8=B;id mate in 5; star diamond 0 sec e8=B 8/8/6k1/2p1p3/2P1P1K1/3N4/8/b7 w - - am Nxc5; id Pachman 3rd vol Complete Chess Strategy (great computer diff); star diamond 10 min Nxc5 1.30 D15 atlanta 2 sec +1.30 8/1p3pp1/7p/5P1P/2k3P1/8/2K2P2/8 w - - bm f6; id LCT II fin.1 -3.17 neg score then turns positive +5.27; star diamond 2:33 +3.96 D15 r4rk1/4Rppp/p1P5/1p6/3P1n2/1BP2b2/PP3PpP/RN4K1 w - - id mate in 5; star diamond 0 sec Bxf7+ no mate 7K/7P/8/8/4Q2p/8/4R1rp/6rk w - - bm Rb2;id mate in 6, tough for null movers; star diamond 15 sec m6 rnbqr1k1/pp3pp1/3b1n1p/4N3/2Np4/2PB4/PP4PP/R1BQ1RK1 w - - bm Nxf7!!;id handheld; star diamond 10 min c3xd4 D9 0.23 3k1KRB/3p1PP1/B1pP4/2P5/p7/8/8/8 w - - id mate in 6; star diamond 1 sec m6 7K/8/7P/8/k7/3R4/3p2r1/4q3 w - - id mate in 6 star diamond 7 sec no mate 8/p6p/1p4p1/2pk4/P1R1rp1P/1P1K2P1/2n2P2/8 w - - am Rxe4; bm Rxc2;id If white plays Rxe4, loses; star diamond Rxe4 34 min D14 -0.76 2rr2k1/1b3ppp/pb2p3/1p2P3/1P2BPnq/P1N3P1/1B2Q2P/R4R1K b - - bm Rxc3;id for portables; 8/1p6/3k1bb1/2R3p1/2B2p1p/1Pn1pPP1/7P/4NK2 w - - bm Ra5;id Fidelity Elite AvandGarde ver 10 2kr1bnr/ppp1pppp/2n5/3P4/2P5/4BB2/Pq3PPP/RN1QK2R w KQ - bm o-o; Fidelity Elite AvantGarde ver 10 Crafty 1:14 0.48; 1br3k1/p4p2/2p1r2q/3p1bp1/3Bn3/1P2P1P1/P3Q1BP/2R1NRK1 b - - bm Qxh2; Fidelity Elite AvantGarde ver 10; 1q1rr1k1/1b3ppp/1p6/p7/PnBN4/4QP2/1P4PP/2R1R1K1 w - - bm Qg5!; DT-Cooke position for dedicated chess computers; 8/1B6/8/5p2/8/8/5Qrq/1K1R2bk w - - bm Qa7;id very very tough mate in 3; rs2250xl 13 sec m3 tlcd 10 sec m3 star diamond 15 sec m2 chess station 2:03 pocket fritz2 2:20 m12 5545 nps pocket fritz 10 min no solve 8700 nps Qxf5 11.96 super forte 3 sec m2 8/3p1p2/5Ppp/K2R2bk/4pPrr/6Pp/4B2P/3N4 w - - bm Kc3; id #1097 mate in 4 very-very tough (Double Indian); novag obsidean mate in 4 level 11 sec chess station > 30 min no solve 3B2k1/pb3p1p/1p4p1/8/8/P1Q2PqP/1P2r1P1/3R2K1 w - - bm Qh8+;id mate in 4 sargon 3 c64; r3k2r/ppp1b1pp/4Bp2/n3p3/8/2qPBQ1P/P1P2PP1/R3R1K1 b kq - am Qxc2??; portables (crafty many PV changes); 6Q1/8/8/7k/8/8/3p1pp1/3Kbrrb w - - id mate in 4 null move toughie 1.Qg7 Kh4 2.Qg6 Kh3 3.Qg5 Kh2 4.Qh4#; 1nbq1r1k/3rbp1p/p1p1pp1Q/1p6/P1pPN3/5NP1/1P2PPBP/R4RK1 w - - id Nfg5 tough mate in 4 crafty 25 sec; mscp 11:19 8/4kp2/8/3K4/2BBNN2/8/8/8 w - - bm Kc6;id mate in 5; 5R2/2K5/1pP5/4k2p/3pp3/2p5/B4N1b/n1R1B2b w - - bm Rxc3;id very tough mate in 4 BB # 1217; r2qkb2/5p1p/p1npb1r1/1p1Np2Q/4Pp2/N2B4/PPP2PPP/R4R1K w q - bm Qd1; r2b1rk1/2q2p1p/p3b2Q/1pn3B1/4Pp2/P1NB4/1PP3PP/R4R1K w - - id mate in 6; r2qkb2/5p1p/p1npb1r1/1p1Np2Q/4Pp2/N2B4/PPP2PPP/R4R1K w q - bm Qd1; r2b1rk1/2q2p1p/p3b2Q/1pn3B1/4Pp2/P1NB4/1PP3PP/R4R1K w - - id mate in 6; rqb2r1n/ppn1kpbp/2p3p1/4p3/3PP3/1QP2NBP/BP3PP1/3RR1K1 w - - id white winning at high depths; r4rk1/p2q1ppp/n1pb4/1p1p3Q/3P2NB/P3P2P/1PP3P1/2R2R1K w - - bm Nf6+; mate in 6 for portables; mach3 2:00 wchess plays Bf6 r1b2rk1/p4ppp/1p1Qp3/4P2N/1P6/8/P3qPPP/3R1RK1 w - - bm Nf6+;id portables; novag vip 1:30 novag emerald 6 ply 33 sec mondial 27 sec star ruby 1:55 9 ply novag scorpio & amber take > 3 min rq2rbk1/6p1/p2p2Pp/1p1Rn3/4PB2/6Q1/PPP1B3/2K3R1 w - - bm Bxh6!; htuctiyc p35 amd 850Mhz Bxh6 gxh6 g7 Be7 Rxe5 dxe5 Qb3+ Kh7Qf7 nimzo8 2 sec 625kN/s shredder7 4 sec 143kN/s Gandalf5 5 sec 112kN/s cm9k 5 sec 119 kN/s hiarcs 37 sec 37 sec 73kN/s junior7 37 sec 700kN/s crafty1903 58 sec 355kN/s fritz8 109 sec 396kN/s chess tiger 342 sec 209kN/s gambit tiger2 726 sec 238kN/s
This page took 0.01 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.