1# 2# This is a set of tactical problems. I tried to select problems that 3# are not too easy (like mate in 2) and also not too hard to solve. 4# 5# You can find more tests like this one in a distribution of Gnu Chess 4.0 6# 7 81k5r/Npn2p2/1N1p4/R1pPp3/4P1q1/1P2Pb2/1PPK4/5Q2/w Qf1xBf3 91r1rb1k1/2p3pp/p2q1p2/3PpP1Q/Pp1bP2N/1B5R/1P4PP/2B4K/w Qh5xPh7+ 101r2r1k1/p4p1p/6pB/q7/8/3Q2P1/PbP2PKP/1R3R2/w Rb1xBb2 111rr3k1/p3ppbp/3pbnp1/7P/qP1BP1P1/5P2/1PPQ4/1NKR1B1R/b Bg7h6 122r3rk/3q1p1p/5p2/1p1p1b2/2pN3R/P1P1R3/1P3PPP/3Q2K1/w Re3e7 133r2k1/Q4p2/Bp2p1pp/3r4/1P1n3q/P7/1P3PPP/2R1R1K1/b Nd4f3+ 143rnr1k/pp3ppp/4b3/2p1qNP1/P2pPR2/1P1P2Q1/2P3BP/5RK1/w Nf5h6 154r1k1/p1qr1p2/2pb1Bp1/1p5p/3P1n1R/1B3P2/PP3PK1/2Q4R/w Qc1xNf4 164r3/p2qppkp/3p2b1/1p1N4/2r1P1RQ/2P4P/PP4P1/5RK1/w Rg4xBg6+ 174rrk1/ppp2qpp/3b4/3p4/6b1/2P1B3/PP1Q1PPP/R3KN1R/b Pd5d4 185q1k/8/8/7r/1P2Q3/8/7P/6RK/b Rh5xPh2+ 195rk1/1p2ppbp/p2pb1p1/q7/P1rBPPn1/5B2/1PP1N1PP/R2QR1K1/b Rc4xBd4 206k1/1b2qpbp/3P2p1/Q7/N3r3/6B1/PP2r1PP/3RR2K/b Re2xPg2 216k1/ppr1r2p/1nq2pp1/3p4/6NR/1PPQ1PP1/P4PK1/7R/w Rh4xPh7 226r1/4kp2/p1bRpp2/1pr1P3/5b1p/PBP1N3/1P4PP/1K1R4/w Ne3f5+ 236rk/pp2pp1p/3q2rb/3P1b2/3P1P2/1P3Q1P/PB1N1R1K/2R5/b Bh6xPf4+ 247Q/1bq1kp2/p3p2p/8/PNp1r3/6P1/1P3P2/3R2K1/b Qc7d6 257k/6rp/5qb1/1pQp2R1/p4p2/P1P2p2/1P5P/3n1BRK/b Rg7c7 268/2R4p/6pk/2R2b2/8/5KP1/7r/8/w Pg3g4 278/8/3p4/3P2p1/3kBp2/5P1b/3r3P/6RK/b Kd4e3 288/p3k2p/1p2pnPP/5p2/P1PP1N2/5K2/8/8/w Nf4h5 298/p5Q1/2ppq2p/3n1ppk/3B4/2P2P1P/P5P1/6K1/w Pg2g4+ 30R4n2/pp2qpp1/2p3pk/6N1/7P/2P2P2/P5P1/3R2K1/w Ra8xNf8 31n1k1n2r/Qb1r2q1/1p1p1p2/1PpPpPp1/2P1P1P1/6R1/3B1KB1/R1N5/w Qa7xNa8+ 32r1b1k2r/pp2qppp/2pb1n2/3p4/4P3/3B1N2/PPP2PPP/R1BQ1RK1/w Pe4e5 33r1b1r1k1/ppq2p1p/3b1ppQ/2n5/8/3B2N1/PPP2PPP/R1B2RK1/w Ng3h5 34r1b1rk2/pp3ppQ/1np5/4q3/2B4N/4P3/PP3PP1/2R2K1R/w Qh7g8+ 35r1b4Q/ppp2kpp/3b4/8/4RP1q/8/PPP3PP/3R2K1/b Bc8h3 36r1bnr2k/4q1pp/p2Rp3/1p2Qp2/1P5P/P3P3/1B3PP1/1BR3K1/w Rc1c7 37r1bq4/1p4kp/3p1n2/5pB1/p1pQ4/8/1P4PP/4RRK1/w Re1e8 38r1bqkbnr/2pp2pp/p1n5/4p3/N3p3/1B3N2/PPPP1PPP/R1BQK2R/w Nf3xPe5 39r1k4r/ppp1b3/5Npp/4pb1Q/8/1B2B3/PqP2PPP/2RR2K1/w Qh5xBf5+ 40r1r1k3/pp1qn2p/5pp1/3p2N1/6Q1/8/PP3PPP/2R1R1K1/w Re1xNe7+ 41r1r3k1/1q2bp1p/4p1p1/1b2B3/1p4Q1/1P1BR3/P4PPP/R5K1/w Bd3xPg6 42r1r3k1/2pq2pp/bp3p2/p7/P1NPp3/1P2P3/2R1QPPP/2R3K1/w Nc4xPb6 43r1r3k1/Bn2qp1p/2p3pb/1p2n3/1P2Pp2/1NP4P/4B1P1/R2R1QK1/b Pf4f3 44r2q1rk1/6p1/3p3p/p2Pp3/5bP1/1PNR1p1P/PQ3P2/5R1K/b Pe5e4 45r2q1rk1/ppp2ppp/3b2n1/1N1P4/2BBP3/P4pP1/1PQ2PbP/R3R1K1/b Ng6f4 46r2q3r/pp1nbkpp/4p3/3p3P/b1p2B2/2P2N1R/PP1RQPP1/1BK5/w Bb1g6+ 47r2qk2r/ppp2pp1/2np1n2/2b1p1B1/2B1P3/3P1Np1/PPP2PP1/RN1Q1RK1/b Nf6g4 48r2qkbnr/ppp1pppp/8/3Pn3/6b1/2N2N2/PPP2PPP/R1BQKB1R/w Nf3xNe5 49r2qr1k1/pp3pbp/3p1np1/2pP1bB1/2P1N3/3Q1PN1/PP4PP/R4RK1/b Nf6xNe4 50r2r2k1/pq3ppp/1p1bpn2/8/2PN3Q/1P6/PB3PPP/3RR1K1/w Nd4xPe6 51r3k2r/pp1bppbp/1qnp2p1/1N6/3NnPP1/4B3/PPP1B2P/R2QK2R/w Nd4e6 52r3kb1r/1bq1nppp/p7/1pp5/4Q3/1B3N2/PP3PPP/R1BR2K1/w Bb3xPf7+ 53r3r1k1/pp1Rbpnp/q1p1p1p1/4P3/1PP2QP1/P3B2P/4BP2/R5K1/w Be3c5 54r3r3/5qpk/ppR2B1p/3p3P/n2P4/P2P2Q1/5PP1/2R3K1/w Bf6xPg7 55r4k1r/4Rppp/n1N2n2/1q1p1Q2/5B2/8/PPP2PPP/2KR4/w Qf5xNf6 56r4r1k/p6p/1pq2bb1/n2pB3/2pP2Q1/2P3N1/PP4PP/R4RK1/w Rf1xBf6 57r4rk1/4npp1/p1b1p3/qpp1P1P1/4NBQ1/2PP2P1/P4P2/R3R1K1/w Ne4f6+ 58r4rk1/pp2ppbp/6p1/8/Qnq1P3/2N1BPPb/PP4NP/R4RK1/b Bh3xNg2 59r4rk1/ppp3p1/2bpq3/5pPR/3Qn3/5N2/PPP2PP1/2K4R/w Nf3e5 60r5k1/1ppq1pb1/p2p1n1p/3P2p1/7Q/1P1B2RP/PBP2PP1/6K1/w Bb2xNf6 61r5k1/3rbpnp/p3q1pB/1pp1P3/3p1PP1/3P2NP/PP2Q3/R1R3K1/w Bh6xNg7 62r5k1/pp3pbp/2pprnp1/q3n3/2P1P3/P1N1B1PP/1P3P2/R2QRBK1/b Nf6xPe4 63r7/5k1p/2pP2p1/1p6/1q3B2/1p2Q1P1/1P6/rNK1R2R/b Ra1xNb1+ 64rn2kbr1/pp3p1p/2p5/q2Pp3/6b1/1BN2Q2/PPP1NPPP/R3K2R/w Qf3xPf7+ 65rnbq1rk1/pp2b1pp/5n2/2pPp3/2P1N3/3B1N2/PP4PP/R1BQK2R/w Pd5d6 66rrq1k3/2p2p2/3pb1p1/3N2Pp/p1PpPR2/P2P3P/1P6/K2Q1R2/w Rf4xPf7 672r3k1/1q1rbpp1/p2p1n2/nppPpPN1/8/1PP1B2P/P1BQ1P2/5KRR w Ng5e6 68