Author: Jim Monaghan
Date: 11:28:24 07/29/04
Hi Jon,
You had worked with IQ2, so some of your ideas were already done in IQ3.
New IQ4 out after reviewing your suggestions:
suggested actions:
"18.5.IQ.1075": remove; there are 2 mate solutions. Plus
this test is probably too easy (mate in 4). Gone in iq3.
"19.5.IQ.1077": remove, multiple moves are close in score. Gone in iq3.
"21.5.IQ.1081": remove, multiple moves are close in score. Gone in iq3.
"27.5.IQ.1120": keep, Crafty thinks solution Rb8 is best. Gone in iq3.
"38.5.IQ.1234": remove, multiple moves are close in score. Keep. Sol'n here:
1...Bxg2 2.Rb1 Bxh3 3.Kh2 Qe6 4.Qxe6 Bxe6 5.Rxb6 h5 -+
2.Nxg2 Nf3+ 3.Kf1 Qc4+ 4.Re2 Nd2+ 5.Ke1 Qc1#
2.Kxg2 Qc6+ 3.Kg1 Nf3+ 4.Kf1 Qb5+ 5.Re2 Nd4 -+
"52.6.IQ.949": remove, or add Qe5+ as 2nd solution. Agreed, removed in iq4.
"85.6.IQ.1146": add Rb3 as solution. Agreed, added Rb3 in iq4.
"52.6.IQ.949": remove, not clear solution move Rxd7 is best. Duplicate, removed
in iq4.
"101.7.IQ.997": remove, or add f3 as solution. Agreed, f3 sol'n added.
"105.7.IQ.1005": add Qg4 to solution set. Agreed, Qg4 added.
"116.7.IQ.1094": remove, multiple moves are close in score. Agreed, remove as
1...Rc8 2.Qd7! saves.
"143.8.IQ.1044": remove, multiple moves are close in score. Agreed, remove. In
your line 1...Qh8 2.Bxd7 Rh6 3.Rg2! saves.
"145.8.IQ.1061": remove, best move differs from 2nd best by small amount.
Agreed, ambigous ... move order doesn't seem to matter. The idea is Nxd5 and
Rxa5 in main line. Not a clear example.
"147.8.IQ.1104": add Rd1 as solution. Done Rd1 added.
"149.8.IQ.1131": remove, multiple moves are close in score. Done, removed.
"160.8.IQ.1282": remove, too many solutions. Agreed, done.
"166.9.IQ.965": remove, multiple moves are close in score. Agreed, done.
"172.9.IQ.1148": keep, looks like Qxe4 is best (Crafty). Yes, keep:
1...Qxe4 2.Nxe4 Bxe4 3.Nc3 Bf3 4.Qd3 b4 5.Rfe1 bxc3 6.bxc3 Ra3 7.Rab1 Ba8 -+
Here's the new text file:
Chess IQ Test, Version 4
by Jim Monaghan
Tactical IQ4 Test for Chess Programs
This test is based on a test suite from the master section of Livshits' book
"Test Your Chess IQ". It has been debugged and improved. The positions are
carefully
balanced with medium to hard examples.
Changes:
IQ to IQ2
I dropped 131 "easy" positions solvable in 4 ply or less
I dropped 16 "hard" positions requiring 12 ply or more
I dropped 12 "avoid move" positions due to their negative focus
Resulted in 360 positions down to 201.
IQ2 to IQ3
Andreas Hermann pointed out 6 duplicate positions.
Resulted in 201 down to 195.
IQ3 to IQ4
Jon Dart pointed identified 7 problematical positions.
Resulted in 195 down to 188.
IQ5?
I'm going to work on the 16 hard 12 ply problems. Ensure they are correct, add
them back
in, and increase the rating range of the test.
The test as presented here is intended to estimate the tactical strength of
chess engines.
The test duration is 31 minutes and 20 seconds. Run the test on a chess engine
at 10
seconds per position, note the percentage score achieved and calculate the
engine's IQ4 score:
IQ4 score = (percent_correct x 6.7) + 1995
The scoring range of the test suite is from 1995 to 2641
Information and Improvements
If you run the test and would like to share your results please send them
along. If you find any alternative solutions or questionable ones please send
this data so the test can be improved. My thanks to the posters at CCC and the
WB forum for pointing out errors and omissions. Enjoy the test.
Email: okelly58@hotmail.com
Here's the new epd (IQ4) file:
5rk1/1p6/q2P3p/2p2rp1/p1nbQ3/P1N3BP/1PR1B1P1/4K3 b - - bm Rf1+; id "1.5.IQ.918";
4r1k1/1pq2p1p/2p2npb/2N5/1PPQn1P1/7P/6B1/B2R2K1 b - - bm Ng3; id "2.5.IQ.921";
2q1r2k/5R1p/pp1B2pN/2p1P3/1n1b4/3P2Q1/1P4K1/8 w - - bm Qh4; id "3.5.IQ.931";
6rk/7p/Q2R1p2/1p2n3/4b3/1P4NP/P1P2PPK/2q5 b - - bm Qf1; id "4.5.IQ.934";
2k1r2r/ppn3pq/b7/5p2/5Qn1/2N1B1P1/1P3PB1/2RR2K1 w - - bm Qxc7+; id "5.5.IQ.936";
2k4r/pp3ppp/2p2n2/5PBb/P3P3/2Nr3P/1PB2bP1/R3R2K b - - bm Rxh3+; id
"6.5.IQ.1009";
r5k1/pq2pn2/3pN1pp/n2P4/1rp1PQ2/1P3PP1/PN4K1/2R4R w - - bm Rxh6 Nd3; id
"7.5.IQ.1010";
3r1r2/p4pk1/bp2p1P1/4P2p/Pq1N1P2/2p4Q/2P3P1/3RK2R w - - bm Qxh5; id
"8.5.IQ.1014";
rr4k1/2q2ppp/p1b1p3/2b1pPPN/1p2P1R1/3B3Q/PPP4P/1K1R4 w - - bm Nf6+; id
"9.5.IQ.1017";
2r1qrk1/3n3p/b3pPp1/4P3/1pp1nBN1/pP4PQ/P1P2PK1/3RR3 w - - bm Qxh7+; id
"10.5.IQ.1021";
4rrk1/1b3p1p/pp2p1p1/2qnN1Pn/3N1P2/2P4R/PPB1Q2P/5RK1 w - - bm Rxh5; id
"11.5.IQ.1026";
6k1/pp3p1p/3b3r/3p3q/P2n2p1/1P1Pp1P1/1N2P1QP/2R2RK1 b - - bm Bxg3; id
"12.5.IQ.1030";
4r3/pbrq1p1k/1p3Bpp/3pPn2/5PQ1/P6R/1P4PP/1B3RK1 w - - bm Rh5 Qg5; id
"13.5.IQ.1051";
r1r3k1/1p1b1nq1/6p1/pN1p4/P2Np2R/1P2P3/1Q3PP1/1K5R w - - bm Nd6; id
"14.5.IQ.1065";
r2q1rk1/pb2Bppp/4p3/1p6/2pnP1n1/6N1/PPPN2PP/R1Q1RBK1 b - - bm Qb6; id
"15.5.IQ.1072";
6k1/5qp1/pN5p/3pRp2/3QnP2/2r4P/r5P1/6RK b - - bm Qh5 Nf2+; id "16.5.IQ.1073";
2b2rk1/pp2R1bp/1qpp2p1/6N1/2P2PP1/3Q1B2/PP4PK/8 w - - bm Bd5+; id
"17.5.IQ.1074";
1q3rnk/5p2/3p1P1p/p3n3/Np1r2P1/1P1B4/1PP4Q/1K1R3R w - - bm Qxh6+; id
"18.5.IQ.1075";
3r3k/p5qp/bp2B1p1/n2P1p2/5N2/Q1R5/P4PPP/6K1 w - - bm Qb2; id "19.5.IQ.1077";
r4qk1/1b3rpp/1pn1p3/p1b5/2P5/2NQ1N2/PP2BPPP/3R1RK1 b - - bm Ne5; id
"20.5.IQ.1078";
4k3/pp2pp2/4n1p1/3RP1P1/2r1N3/P1P5/1P2q3/1K5Q w - - bm Nc5; id "21.5.IQ.1081";
5rk1/5pp1/3b4/1pp2qB1/4R2Q/1BPn4/1P3PPP/6K1 b - - bm Bf4 Ra8; id
"22.5.IQ.1091";
3r2k1/p1rq1pp1/1pR1p2p/8/Q2P4/4P3/P4PPP/2R3K1 b - - bm Rdc8; id "23.5.IQ.1095";
1q4r1/3Q1Npk/p6p/1p5N/8/7P/Pn3PP1/6K1 w - - bm Qf5+; id "24.5.IQ.1106";
5k2/1pp2b1p/2p5/r3PPR1/pr6/2N5/1PP4P/2KR4 w - - bm f6; id "25.5.IQ.1113";
6k1/6p1/7p/8/pb5N/2B1p2P/PP4P1/3K1b2 b - - bm e2+; id "26.5.IQ.1118";
r1bq1rk1/5pbp/pB1p1np1/3Pp3/4P3/2p1QP2/PP4PP/1KNR1B1R b - - bm Rb8; id
"27.5.IQ.1120";
7r/8/3p1p1r/p1kP2p1/Pp2P1P1/1PpR3P/5R1K/8 b - - bm Re8; id "28.5.IQ.1121";
4R3/5Bq1/7p/5p2/1n3k1B/7P/6PK/8 w - - bm g3+; id "29.5.IQ.1128";
2r2rk1/4p2p/bq1P2p1/p4p2/3R1P1B/2N5/P2Qp1PP/6K1 b - - bm Rxc3; id
"30.5.IQ.1135";
2q1n1kr/6b1/1r1p2B1/2p2pP1/2P1bP1N/1P1QB2P/6RK/1R6 w - - bm Qxe4; id
"31.5.IQ.1142";
2r5/1p6/pq2p2p/3rN3/k2P2Q1/3R2P1/1P3PP1/1K6 b - - bm Qxb2+ Qd6; id
"32.5.IQ.1157";
3r2k1/3rppb1/p1R1b1p1/qp1NP3/8/1P2QB2/P5PP/5RK1 w - - bm Rxe6; id
"33.5.IQ.1190";
r1bqkn1r/p3bpp1/1p2pn1p/2pPN1B1/2P5/3B2N1/PP3PPP/R2QR1K1 w kq - bm Nf5 Nh5 dxe6;
id "34.5.IQ.1200";
r3kb1r/2q2ppp/pn2p3/4P3/pPPN4/P3BQ2/6PP/R4RK1 w kq - bm Nxe6 Rf2 Rad1; id
"35.5.IQ.1201";
1r5r/p2bbk1p/4pnp1/q1ppQ1B1/7P/2N3P1/PPP2PB1/1K1R3R w - - bm Nxd5; id
"36.5.IQ.1206";
r1b1k1nr/2R1b1pp/1p2pp2/1N2p3/q3P3/3Q1N2/PP3PPP/3R2K1 w kq - bm b3 Nd6+; id
"37.5.IQ.1218";
2q5/1b2Q3/1p3pkp/4p1p1/3n4/4N2P/5PP1/4R1K1 b - - bm Bxg2; id "38.5.IQ.1234";
r4rk1/pp2bpp1/1qp1b2p/4B2Q/n7/3B4/PPP2PPP/3RR1K1 w - - bm Bxg7; id
"39.5.IQ.1236";
r1b2k1r/1p4pp/p4B2/2bpN3/8/q2n4/P1P2PPP/1R1QR1K1 w - - bm Bxg7+ Qh5; id
"40.5.IQ.1244";
1r3r1k/1b2bppp/p1qp4/5PP1/1p1B3Q/1PN2R2/1PP4P/5RK1 w - - bm Bxg7+; id
"41.5.IQ.1245";
2r2rk1/1bq1bpp1/pn2p2p/1pn3P1/3NNP1Q/P6R/1PP3BP/R1B4K w - - bm Nf6+; id
"42.5.IQ.1265";
1r2b3/pp1rqppk/3b3p/3Bp2Q/4P1N1/5R1P/PP3PP1/3R2K1 w - - bm Rf6; id
"43.5.IQ.1272";
r1n1nrk1/p4p1p/1q4pQ/2p1pN2/1pB1P1P1/5P2/PPP4P/1K1R3R w - - bm Rd6 Rhg1; id
"44.5.IQ.1276";
4Q3/p4pk1/2p3p1/8/3P1N2/4PBR1/q4P1K/r3r3 w - - bm Rxg6+ Qe5+; id "45.5.IQ.1281";
3rr1k1/5p2/1p1q2pQ/p2Pb3/1pPp3P/6P1/P4P2/1R1R1BK1 b - - bm Bxg3; id
"46.5.IQ.1283";
2r1r1k1/5pbp/p5p1/3Pn3/3QP3/N1B5/PP4qP/1K1R3R b - - bm Rxc3; id "47.5.IQ.1289";
3r2k1/p2r1p1p/1p2p1p1/q4n2/3P4/PQ1R3P/1P2NPP1/3R2K1 b - - bm Nxd4; id
"48.6.IQ.923";
5r1k/1p2qp1p/p4R1Q/P1p5/2Prp3/7P/1P4P1/5R1K w - - bm Re6; id "49.6.IQ.940";
5rk1/q5pp/4p3/r1bp1p2/1p1B1P2/1P1QP3/P4RPP/2R3K1 w - - bm Rxc5; id
"50.6.IQ.943";
r1r3k1/1p1bnp1p/p5pQ/q5P1/3Bp3/1P4R1/1PP1KP1P/3R4 b - - bm Bg4+; id
"51.6.IQ.946";
4k3/1bQ3p1/pp2P3/2nP1qp1/8/2P3P1/P6P/5BK1 w - - bm Bd3; id "52.6.IQ.951";
2rq1r2/pp1b1pkp/8/P2Q2P1/n1nN4/2P5/2P3BP/R1B2RK1 w - - bm Rxa4; id
"53.6.IQ.954";
1k1r4/ppq2p2/8/2pPb1r1/2P1Q1B1/6P1/PP3PK1/R4R2 b - - bm f5; id "54.6.IQ.957";
8/5p1k/4p1b1/4P3/2Pq4/2Q2KP1/r3P3/2R2B2 b - - bm Ra3; id "55.6.IQ.962";
1k1r2r1/pp3p1p/B2q1n2/8/3Pb1p1/2Q5/PR3PPP/2B1R1K1 w - - bm Bf4; id
"56.6.IQ.966";
r2qrn2/1p2nbkp/2p1pp2/p7/3PP1BN/2N4R/PP1Q1P2/2KR4 w - - bm Qh6+; id
"57.6.IQ.976";
r2qk2r/1pp2ppp/p3pnn1/6N1/1B1P2P1/1Q2P2P/PP3PK1/R6R b kq - bm Nh4+; id
"58.6.IQ.978";
7R/5Q2/6pp/4rp1k/P3P3/5Pb1/4KPq1/3R4 w - - bm Rxh6+; id "59.6.IQ.980";
rnb4r/p1pq1Pkp/1pn1p1p1/3p2N1/3P4/P1PB3Q/2P2PPP/R1B1K2R w KQ - bm Qh6+; id
"60.6.IQ.981";
4rr1k/pQ4pp/8/7q/2B2BbP/P1P2nP1/5PK1/R6R b - - bm Rxf4; id "61.6.IQ.999";
1k6/p1p3Q1/2qp1P2/2p5/rp6/3P3P/1BP1rP2/2KR3R b - - bm Ra1+; id "62.6.IQ.1002";
4r3/1r2ppk1/p2p1np1/2qP4/PpP5/1P1Q4/2B1R1PP/5R1K w - - bm Rxf6; id
"63.6.IQ.1018";
4r3/5pk1/2Q2n2/3B2pp/2b2q2/P6P/6P1/R2R2K1 b - - bm Ng4; id "64.6.IQ.1025";
6rk/6bp/p3p1r1/3p4/4p3/2P1N1Pq/PP2QP1P/4RRK1 b - - bm Bxc3 Bf8; id
"65.6.IQ.1029";
r1r1q2k/pp3pbp/4p3/2npPp1Q/3P1P1N/2P2RR1/P1P3PP/6K1 w - - bm Rxg7; id
"66.6.IQ.1038";
2R5/r3b1k1/p2p4/P1pPp2p/6q1/2P2N1r/4Q1P1/5RK1 w - - bm Nxe5; id "67.6.IQ.1042";
r1bn1r2/1pp3k1/p2p3p/6p1/2qNB3/2P2PP1/P1Q2KP1/1R5R w - - bm Rxh6; id
"68.6.IQ.1052";
r4rk1/pp3pbp/3Qbnp1/q1p5/4P1P1/2N1BP2/PPP4P/2KR1B1R b - - bm Nxe4; id
"69.6.IQ.1053";
r5k1/4p2p/pp1qNnp1/2pPb3/2P1p1P1/4B3/PP1Q2P1/5R1K w - - bm Bxc5; id
"70.6.IQ.1059";
r7/1pqbr1pk/p1n4p/5p1P/2P1p3/2B3R1/PP1Q1PP1/1B2R1K1 w - - bm Rxe4; id
"71.6.IQ.1063";
5Bk1/pr2pp1p/2b3pQ/2p1q3/8/2P4P/PP4P1/1B1Rb1K1 w - - bm Bg7; id "72.6.IQ.1067";
k1n1r3/p2R2bb/2p2qpp/4pp2/2P5/2B1Q1P1/PP3PBP/6K1 w - - bm Qc5 Bxe5; id
"73.6.IQ.1085";
rr4k1/3nbp1p/p3p1p1/q2pPPP1/bp1B3R/1B2Q3/PPP4P/2K3R1 w - - bm fxe6; id
"74.6.IQ.1086";
7k/p2rq2p/1p3R1P/2p5/2P2P1Q/8/6PK/8 w - - bm Qe1; id "75.6.IQ.1087";
b1R2nk1/5ppp/1p3n2/5N2/1b2p3/1P2BP2/q3BQPP/6K1 w - - bm Bc5; id "76.6.IQ.1089";
2b1r1k1/1r1n1pp1/q2p3p/1p1P4/1P1N1RPP/2Q1P3/5PBK/2R5 w - - bm Qxc8; id
"77.6.IQ.1096";
8/6kp/8/5r2/1QP1q3/1P3pP1/P3rP1P/5RKB b - - bm Rxf2; id "78.6.IQ.1105";
7r/1pR5/p5k1/3p4/4n1np/8/PPP3PP/5R1K b - - bm Ng3+; id "79.6.IQ.1124";
8/kp6/4R3/1P2K3/8/3pp3/8/8 w - - bm Kd6; id "80.6.IQ.1125";
5r1k/p5bp/1p6/4P3/P2B4/3n2PB/1PR4K/8 w - - bm e6; id "81.6.IQ.1127";
1r1q1rk1/Nb1n1pbp/p5p1/3P4/PPB2p2/4B3/6PP/2RQ1RK1 w - - bm Nc6; id
"82.6.IQ.1130";
r3k2r/1nqb1pp1/p3p3/1p1pP1P1/3R1P2/2N2Q2/PPP3B1/2KR4 w kq - bm Nxd5; id
"83.6.IQ.1145";
1r2r1k1/p1p2p1p/6p1/8/8/4NBPb/qBQ2K1P/1R6 b - - bm Rxe3 Rb3; id "84.6.IQ.1146";
r7/1p3k1p/3RRp1P/1qr1p1p1/4P1P1/P3QP2/1P6/1K6 b - - bm Qf1+; id "85.6.IQ.1156";
1rb1r1k1/3n1ppp/p1p1p3/q3P3/7P/2N1Q1R1/PPP3P1/2KR1B2 w - - bm Rxd7; id
"86.6.IQ.1182";
rq2r1k1/pp2RNp1/1bp2n1p/8/1Q6/7P/PPB2PP1/5RK1 w - - bm Nxh6+; id "87.6.IQ.1195";
r2qk2r/1b1n1p2/p6n/1pp1p1Np/4P2P/2QBNP2/PPP5/2KR2R1 w kq - bm Bxb5 Bc4 Bf1; id
"88.6.IQ.1210";
2r1r3/pbq1bpk1/1pn3p1/6Bp/4Q3/PB3N2/1P3PPP/R3R1K1 w - - bm Bxf7; id
"89.6.IQ.1225";
4r3/p2qppkp/3p2b1/1p1N4/2r1P1RQ/2P4P/PP4P1/5RK1 w - - bm Rxg6+; id
"90.6.IQ.1227";
8/1p4pk/6rp/p1q1pr2/2P1b3/P1Q1P3/1B2R1PP/2R3K1 b - - bm Bxg2; id "91.6.IQ.1239";
2r5/3nr1pk/p2qpp1p/1p5Q/3P1PN1/2P3RP/P5PK/4R3 w - - bm Nxh6; id "92.6.IQ.1260";
3rk1nr/1p3q2/p1n2P1p/P1ppp3/3b4/2N2QPB/1PP4P/R1B2R1K w k - bm Nxd5; id
"93.7.IQ.917";
3r4/p2nrpkp/2B1p3/2P2pP1/3R3Q/q7/6PP/6RK w - - bm g6; id "94.7.IQ.927";
6k1/pp2q2r/2r1p3/1RPpPpp1/3P4/P5P1/3Q1PK1/7R w - - bm Rxb7; id "95.7.IQ.960";
b3k3/2q1b1p1/p3p2r/1pPpP2p/1P1N3P/6P1/P3Q3/1BR3K1 w - - bm Bg6+; id
"96.7.IQ.984";
8/2bP1Q1p/6pk/p3p3/P1Bp4/1P1R2KP/5PP1/2q4r w - - bm Re3; id "97.7.IQ.985";
r3k2r/pppqnpbp/4p1p1/3nP1B1/Q2PN2P/5P2/PP2BP2/2R1K1R1 w - - bm Nd6+; id
"98.7.IQ.990";
r1b2r1k/1pq3bp/8/3Qp2n/1P1n1pp1/2NP2P1/3BPPBP/1R2NRK1 b - - bm Qxc3 f3; id
"99.7.IQ.997";
r1b2rk1/1p2qppp/2pb1n2/p3n1N1/2BR4/1PN1P3/PBQ2PPP/2K4R w - - bm Rxd6; id
"100.7.IQ.998";
r1b2Q2/1p4pk/pB3pq1/4p3/3p4/6P1/PP2PP1P/2R3K1 b - - bm Bh3; id "101.7.IQ.1000";
r4rk1/5pp1/p2R1Bb1/1pq1Pp1p/7Q/1Bn5/P5PP/5R1K w - - bm Bxg7; id "102.7.IQ.1001";
r3r3/pp2bBkp/6p1/q3p2Q/4n3/2N2R2/PPP3PP/2KR4 w - - bm Bxg6 Qg4; id
"103.7.IQ.1005";
r2q1rk1/1p1bbppp/p1n1p3/2p1P2Q/4N3/6P1/PPPB1PBP/3RR1K1 w - - bm Nf6+; id
"104.7.IQ.1008";
r1b1rb2/1p3kpQ/p1p1p3/q1P1P3/3P4/4P1R1/PP4PP/R1B3K1 w - - bm Bd2; id
"105.7.IQ.1013";
r1r2k2/1q1n1p2/3PpPp1/4P2p/pbpN3R/2N3K1/1P2Q2P/3R4 w - - bm Rxh5; id
"106.7.IQ.1022";
r2qrnk1/1b2bppp/2p5/1p1pN1Pn/p2P1B2/3BP2P/PPQ2P2/2K3RR w - - bm Bxh7+; id
"107.7.IQ.1034";
r4rk1/pppq2pp/1nbpp3/6B1/2PP2P1/3B3P/P1P2P2/1R1QR1K1 w - - bm d5; id
"108.7.IQ.1036";
r3r1k1/pp1q1p2/6pp/3N4/3b4/1Q3PPb/PP3R1P/1B1R2K1 b - - bm Re2; id
"109.7.IQ.1039";
4rrk1/1p3p1p/p5pb/3P4/2Pp3q/N6P/PPQ1BP1P/R3K2R b KQ - bm d3; id "110.7.IQ.1041";
2br1rk1/2qnQ2p/p4pp1/4p3/P1p1P1N1/2Pn1N1P/2B2PP1/1R1R1K2 w - - bm Rxd3; id
"111.7.IQ.1056";
r7/pp2pkbp/2pq2p1/8/2P2N2/1P2R1PP/P3QPK1/8 w - - bm c5; id "112.7.IQ.1060";
5r1k/pb2r1bp/1p2B1p1/n7/4qNQ1/4B3/P4PPP/2RR2K1 w - - bm Rd4; id "113.7.IQ.1083";
b1n1r1k1/2q2p1p/p4Pp1/1pBP4/4B1P1/2P1Q3/P4K1P/4R3 w - - bm Qh6 Kg2; id
"114.7.IQ.1097";
r1b2r1k/2q2pp1/2pb3p/p1n1NB2/1pP5/1P5P/PBQ2PP1/3RR1K1 w - - bm Rxd6; id
"115.7.IQ.1101";
r4bk1/pbq2pp1/1pn1p2p/8/4N3/1P2P1P1/PB2QPBP/3R2K1 w - - bm Nf6+; id
"116.7.IQ.1192";
r3k2r/1bqnBppp/p3p3/1p2P3/3N2Q1/3B4/PPP3PP/2KnR3 w kq - bm Nxe6; id
"117.7.IQ.1199";
4k1r1/1q1r1p2/4pQp1/3pP1B1/2p3P1/1nP2BP1/1P5K/3R4 w - - bm Bxd5; id
"118.7.IQ.1203";
r1b2k1r/p2n1pp1/1q2p3/2ppP1B1/1b1N1Q1P/2N5/PPP2P2/R3K1R1 w Q - bm Bd8; id
"119.7.IQ.1212";
r4r2/1b4pk/p5pp/1pb1N3/4P3/2P1N1Pq/PPB1QP2/3R2K1 b - - bm Rxf2 Rad8; id
"120.7.IQ.1219";
4r1k1/1p2qrpb/p1p4p/2Pp1p2/1Q1Rn3/PNN1P1P1/1P3PP1/3R2K1 b - - bm Nxf2; id
"121.7.IQ.1221";
rn1q1rk1/1b2bppp/p3p3/1pn1P2Q/3N4/1BN1B3/PPP3PP/R4RK1 w - - bm Rxf7; id
"122.7.IQ.1224";
r1bq1rk1/pp2ppbp/2p2np1/3p4/2PPn3/1PN3P1/PBQNPPBP/R3K2R b KQ - bm Nxf2; id
"123.7.IQ.1229";
r3k3/2pb1p1p/p2p4/6rq/4P3/2P5/PP1Q1PP1/R3RNK1 b q - bm Rxg2+; id
"124.7.IQ.1241";
r2q1rk1/pp1b1Rp1/4p2p/4PnNQ/2pP4/2P1B3/P5PP/5RK1 w - - bm R1xf5; id
"125.7.IQ.1249";
r1b2rk1/pppn2bp/3p1qp1/3p2N1/3P4/3BB3/PPP2PPP/R2QR1K1 w - - bm Nxh7; id
"126.7.IQ.1252";
4rb2/1p1q1ppk/p1n1p2p/2p1Pn2/3PNR2/2P2K2/P2QBP2/6R1 w - - bm Rxf5; id
"127.7.IQ.1266";
4rr1k/pp4b1/4P2p/5p1R/3q4/3B2P1/PP1R4/1K5Q w - - bm Rxh6+; id "128.7.IQ.1271";
r1r1n3/5p1k/1n1P2pp/ppq1pN2/2p1P3/1PP1R2P/P1B2QPK/5R2 w - - bm Nxh6; id
"129.7.IQ.1275";
r2q1r1k/p3pn1p/3p2pQ/1ppP1p1n/4P3/2N2P2/PPP1BP2/2K3RR w - - bm Qxg6; id
"130.7.IQ.1280";
r4rk1/4ppbp/1q2bnp1/n1p4P/4P1P1/2NBBP2/PP1Q4/1K1R2NR b - - bm Bxa2+ Rfb8; id
"131.7.IQ.1290";
r3rnk1/4qpp1/p5np/4pQ2/Pb2N3/1B5P/1P3PP1/R1BR2K1 w - - bm Bxh6; id
"132.8.IQ.894";
1r2q1k1/1p6/pN2p1p1/P3p3/2PbQ3/1P5P/6P1/5R1K w - - bm Nd7; id "133.8.IQ.958";
r1b2rk1/p1q2ppp/1p2p3/4n3/3bP3/1B3N1P/PP2QPP1/R1B2RK1 b - - bm Ba6; id
"134.8.IQ.963";
7r/p5k1/4pr2/4Np2/1p1Pn1p1/4P3/PP3PP1/2R2RK1 b - - bm Nc3; id "135.8.IQ.987";
5bk1/5p1p/Q5p1/1B4n1/8/2q1p3/6PP/3R2K1 b - - bm e2; id "136.8.IQ.1048";
6k1/1p3ppp/1PbNp3/3rP1q1/2Q5/8/5PPP/1R4K1 w - - bm Qxc6; id "137.8.IQ.1090";
3r4/5pkp/B5p1/PPn1p3/2P1P3/4qP1P/1Q4P1/4NK2 b - - bm Rd2 Rd1; id
"138.8.IQ.1104";
6k1/p4pp1/Pp2r3/1QPq3p/8/6P1/2P2P1P/1R4K1 w - - bm cxb6; id "139.8.IQ.1122";
8/1p3b2/8/p1b1pN2/P1P1P1p1/1P6/6Bk/5K2 b - - bm b5; id "140.8.IQ.1137";
2r1r3/3qppkp/pp1p2p1/3PnP2/2PN4/1P5P/P2Q2P1/4RRK1 w - - bm Rxe5; id
"141.8.IQ.1185";
1n2rk2/1qr1pp2/pp1p1npp/3P4/1PPN1P2/P2QR1P1/7P/4RBK1 w - - bm Ne6+; id
"142.8.IQ.1186";
Q1b1r3/1p3pbk/1p3npp/7q/1BPpp1P1/1P5P/P3PPB1/R3R1K1 b - - bm Bxg4; id
"143.8.IQ.1197";
r3kbnr/p4p2/1p2p2p/3qP1p1/3Nn1QB/8/PP2NPPP/R4RK1 w kq - bm Nxe6; id
"144.8.IQ.1217";
r1bqr1k1/1p1nbppp/p1n1p3/3pP2Q/3N1P2/1BN1B3/PPP3PP/R4RK1 w - - bm Nxd5; id
"145.8.IQ.1222";
2r1r1k1/5ppp/pq3b2/2pB1P2/2p2B2/5Q1P/Pn3PP1/2R1R1K1 w - - bm Bxf7+; id
"146.8.IQ.1223";
r2r1bk1/1ppq2pp/2p2B2/p1n2N1b/P3P1R1/3PN3/2P3PP/R2Q2K1 w - - bm Ne7+; id
"147.8.IQ.1233";
1nb2r1k/2r1qppp/p3p2n/1p1BP3/3N1Q2/2N5/PPP4P/2KR2R1 w - - bm Rxg7; id
"148.8.IQ.1240";
2q3k1/3b1p2/1b1p3p/1p1Pp1p1/1P2Pn2/QN3P2/2r3PP/1R2BB1K b - - bm Rxg2; id
"149.8.IQ.1242";
2r1k2r/3bbp1p/p3pp1Q/q2P4/1p3P1B/8/1PP3PP/1K1R1B1R b k - bm Rxc2; id
"150.8.IQ.1288";
1rb2r2/1p1nppk1/2p1n1p1/p3P2p/2qP3R/2N3NP/PP1Q2B1/5RK1 w - - bm Bd5; id
"151.9.IQ.926";
3r2k1/1p3pp1/1p6/7p/q2NP1P1/2Q2P1b/rP5P/2RR2K1 w - - bm Nf5; id "152.9.IQ.929";
2qr1r2/p2n1ppk/1p2p2p/5b2/2PP2NQ/1B4R1/P4PPP/R5K1 w - - bm Bc2; id
"153.9.IQ.956";
5r1k/p5b1/1qp4p/1r2p3/4N1P1/2Pn2B1/QP2R1PP/R6K b - - bm Ra5; id "154.9.9IQ.959";
r4rk1/1nqb1pbn/6pB/pppPp2p/8/1PP2NNP/P1BQ2P1/R4RK1 w - - bm Nxh5; id
"155.9.IQ.1020";
4r1k1/p4ppp/1p2q3/n2R4/2r1p3/Pn2B1P1/1Q2PPBP/3R2K1 w - - bm Re5; id
"156.9.IQ.1099";
r1br2k1/1pq2ppp/p3pP2/8/1n3PP1/1NpB4/PPP2Q1P/2KR2R1 w - - bm Bxh7+; id
"157.9.IQ.1112";
8/5p1p/6p1/3P4/1k3P2/pp1B2P1/7P/1K6 b - - bm Kc3; id "158.9.IQ.1115";
r4r1k/6pp/3p3b/1p1Npb2/3nB2q/2N3P1/PP3P1P/R2Q1RK1 b - - bm Qxe4; id
"159.9.IQ.1148";
r2q1rk1/3nbppp/p1bpp3/6PQ/1p1BP3/1BN5/PPP2P1P/2KR2R1 w - - bm Rd3; id
"160.9.IQ.1179";
r3kb1r/pp3p1p/4pp2/q2pN3/2P5/8/PP3PPP/R2QR1K1 w kq - bm Nxf7; id
"161.9.IQ.1216";
r1qr2k1/p3bppp/b1p5/3nN3/NP1P4/P3B3/5PPP/1B1QR1K1 w - - bm Bxh7+; id
"162.9.IQ.1254";
3r1rk1/1bq1bp1p/p3p1p1/3pP3/3N1P2/2PBB2R/n1P1Q1PP/5RK1 w - - bm Rxh7; id
"163.9.IQ.1255";
2rq1rk1/pp3pp1/4pb1p/3bN3/3P4/PnPB3R/2Q2PPP/R1B3K1 w - - bm Bh7+; id
"164.9.IQ.1269";
1b4k1/1pnq1r1p/4p1p1/1pPpP2Q/1P5B/3BPP2/7P/6RK w - - bm Bxg6; id
"165.9.IQ.1278";
2r2rn1/p3q1bk/n2p2pp/1b1PPp2/1pp2P1N/1P2N1P1/P1QB2BP/4RRK1 w - - bm Nxg6; id
"166.9.IQ.1279";
5r2/1pr1ppk1/1n1q2p1/p2P3p/5R2/1BP1RQ2/5PP1/6K1 w - - bm Re6; id
"167.9.IQ.1284";
2k5/1p2b3/2p1p3/3pP1p1/nP1P2P1/NKP5/3B4/q3Q3 b - - bm Qb2+; id "168.10.IQ.937";
1r5r/3b1pk1/3p1np1/p1qPp3/p1N1PbP1/2P2PN1/1PB1Q1K1/R3R3 b - - bm Nxg4; id
"169.10.IQ.950";
r2qk2r/1bp2pQp/p7/1p1pP3/4n3/1B2b3/PPP2PPP/RN3RK1 b kq - bm Qg5; id
"170.10.IQ.953";
r2qrbk1/p2b2pp/1pn1pn2/3p4/2pP1P2/2P2NN1/PPQ3PP/RBB2RK1 w - - bm Ng5; id
"171.10.IQ.993";
3qr1k1/4r1pp/2pp1p2/p1p2P2/2PnPNPP/1P1Q4/P5R1/4R1K1 b - - bm d5; id
"172.10.IQ.1032";
rq6/1r1k4/1pRp1p1p/1P1Pp1pP/p1R1P1P1/PpQ2P2/1K6/8 w - - bm f4; id
"173.10.IQ.1043";
r4rk1/3bpp1p/pqp3p1/4P2n/2B5/1P6/PBPbQ1PP/4RR1K w - - bm e6; id
"174.10.IQ.1054";
4rr1k/ppp3pp/3bBqb1/3P4/3Pn1PP/4BN2/PP3PK1/R2Q1R2 b - - bm Rxe6; id
"175.10.IQ.1070";
2r3k1/1rq2p1p/pp1p1bp1/2pP2N1/2P1R3/1Q6/PP3PP1/4R1K1 w - - bm Nxh7; id
"176.10.IQ.1076";
8/8/pp1pPkpp/3P4/2P1K1P1/8/P7/8 w - - bm g5+; id "177.10.IQ.1117";
5rk1/2rnqp1p/b3p1pP/2ppP3/1p3QN1/pP1P1BP1/P1P2P2/R3R1K1 w - - bm Bxd5; id
"178.10.IQ.1126";
8/1Rb2r1k/6p1/6qp/4QP2/3p3K/7P/3B4 b - - bm Rxf4; id "179.10.IQ.1136";
r5k1/1p3p1p/p1pqrPp1/3bN3/8/P1P3Q1/1P4PP/4RRK1 w - - bm Nxf7; id
"180.10.IQ.1231";
2r2bk1/1bq1rppp/pp1p4/4n1P1/Pn1BP1N1/2N3Q1/1PP2RBP/5RK1 w - - bm Bxe5; id
"181.10.IQ.1251";
2r1r1k1/pbq2ppp/1p2pn2/2b1N3/2P5/2B5/PPB1QPPP/3RR1K1 w - - bm Bxh7+; id
"182.10.IQ.1257";
1k1r4/1bp4Q/p7/8/1pP2p2/1P2bNrP/1P4P1/5R1K b - - bm Bxf3; id "183.11.IQ.930";
7r/4q1k1/1p1p1ppr/p1nRp3/P1P1P1BP/1P4P1/2Q3K1/3R4 b - - bm f5; id
"184.11.IQ.1033";
2r1r1k1/pp1b1ppp/1q6/3P4/7N/Pn1Q4/1P3PPP/1RB2RK1 b - - bm Nxc1; id
"185.11.IQ.1080";
rnb2rk1/pp3p1p/3q2pQ/3pN3/2pP4/2PB4/P1P2PPP/4RRK1 w - - bm Nxf7; id
"186.11.IQ.1232";
r1q2r1k/p1ppb1p1/1p2p1Qp/3n3P/3PN3/2P1B3/PP3PP1/3R1RK1 w - - bm Bxh6; id
"187.11.IQ.1261";
r4rk1/pp2qpp1/2p1bn1p/8/1bP4Q/5N1P/PPB2PP1/R1BR2K1 w - - bm Bxh6; id
"188.11.IQ.1263";
Thanks for your input Jon.
Cheers,
Jim
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Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.