r4rk1/pp1n1pp1/2p2np1/2b5/2PBp1Pq/1PN1P2P/P1Q2PB1/R3KR2 b Q - bm b7b5; id "Covax 1.01";
r4rk1/p3pp1p/4Nnp1/q3n2P/1p2p1P1/4NP2/PPPQB3/R3K2R b KQ - bm a8d8; id "Covax 1.02";
r3k1r1/pp1n1pp1/2pqp2p/4N2P/2PP1P2/4Q3/PP6/1K1R2R1 w - - bm d4d5; id "Covax 1.03";
r1nq1r1k/p2b1pbp/1p4p1/2pNp3/RP1PP3/4BN1P/2P2PP1/2QR2K1 w - - bm d4e5; id "Covax 1.04";
r4rk1/1bqnbp1p/pp1ppnpB/8/2P1P1P1/2N2P2/PPN1BQ1P/R4RK1 b - - bm d6d5; id "Covax 1.05";
r1b1k2r/2qpbp2/p3p3/1p2Pp1p/3Q1P2/2N5/PPP1B1PP/3R1R1K w kq - bm c3d5; id "Covax 1.06";
2r1qrk1/4bpp1/3pnn1p/pp2p3/4P3/P1N1BP2/RPP1Q1PP/2NR2K1 b - - bm e6d4; id "Covax 1.07";
5rk1/1pr1b1pp/nq2b3/p2pNp1P/Pn1P1P2/1P4N1/4R1K1/1BBQ3R w - - bm e5g6; id "Covax 1.08";
3rr3/1p3k2/pqppn1p1/4pp1P/P1P1Pb2/1PN1NP1b/1BPR1Q1P/4R2K b - - bm e8h8; id "Covax 1.09";
rn1q1rk1/pbpnbpp1/1p2p2p/4N3/2BP3B/1QN1P3/PP3PPP/R3K2R w KQ - bm e5f7; id "Covax 1.10";
2k2b1r/pb1r1p2/5P2/1qnp4/Npp3Q1/4B1P1/1P3PBP/R4RK1 w - - bm g4g7; id "Covax 1.11";
3r2k1/1pp2ppp/2nr4/1P1npq2/8/3PPP2/1BQ1BP1P/2RR3K b - - bm c6d4; id "Covax 1.12";
r1r3k1/pb2ppbp/qp4p1/n7/3PP3/1B2QN2/3B1PPP/1R2R1K1 w - - bm b3f7; id "Covax 1.13";
1nrr2k1/pb2qp2/1p2pn1p/6p1/2BP3B/P2Q1PN1/1P4PP/R3R1K1 w - - bm c4e6; id "Covax 1.14";
rnb2rk1/ppp3bp/3p4/3P4/2P2p2/2N2N1q/PP2BP2/R2QK1R1 w Q - bm g1g7; id "Covax 1.15";
r1b2rk1/1pN1q1b1/1B1p1nn1/P2Pp3/4Pp1p/5P2/1P2B1Pp/R2QNR1K b - - bm f6h5; id "Covax 1.16";
rn1qr1k1/1p2bppp/p3p3/3pP3/P2P1B2/2RB1Q1P/1P3PP1/R5K1 w - - bm d3h7; id "Covax 1.17";
r4rk1/1pp2ppp/2n5/p1b1p3/2N1P3/1BP1Bq2/PPQ2P1K/R4R2 b - - bm a8a6; id "Covax 1.18";
r1b2rk1/p3qpbp/1p1pn1p1/2n5/P1NNP3/4B2P/1P3PP1/R2QRBK1 w - - bm d4f5; id "Covax 1.19";
rn3k1r/pb1p1ppp/5n2/qp1PQ3/1bp5/P1N1PP2/1P4PP/R1B1KBNR w KQ - bm a3b4; id "Covax 1.20";
3r4/4qpk1/1Q1pn1p1/p2Rp1p1/P1B1P3/1P3P1P/2r3P1/3R3K b - - bm g5g4; id "Covax 1.21";
4rrk1/1bp1q1pp/1p1pp3/pP3p2/2PPn1n1/3N2P1/PBQ1PPBP/2RR2K1 b - - bm f5f4; id "Covax 1.22";
r2qk2r/1pn2p2/2pbpp2/p5Pb/P2P3p/1BP2N1P/1P1BQP2/2K1R1R1 w kq - bm g5g6; id "Covax 1.23";
r7/n2nqpk1/4p1pp/p1rpP3/P4NBP/1P2Q1P1/5PK1/2R4R w - - bm g4e6; id "Covax 1.24";
r3k2r/pp1nbppp/2p3b1/q2nP3/5B2/2NB1N1P/PPP3P1/R3QRK1 w kq - bm e5e6; id "Covax 1.25";
