432 Chess testpositions of varying difficulty .
Extremely hard → Very hard → Hard → Hard enough → Medium → Relatively easy → Easy
Most are hard enough or medium.
(for easy navigation on the positions, press with the mouse the selection bar of them and then press it again and then with UP and DOWN arrow keys (▲▼) navigate to positions.)
Positions: -Ra5 -Rxf3+ -Ka2 Ka1 -hxg6 -Rd2 -g3 -fxg4 -Rf6 -Bh3 -Rxb2 -g3 -Qc4 -Kb1 -Bc2 -Bg2 -Qd7 -Kh7 -Nd2 -Rxe6+ -g4 -Ke6 -Rxb5 -Rxa7 -b4 -Rxg7+ -Bxe5+ -Rb7 -Bxg6 -Rxg7+ -Rb5 -Qe4 -Ng5+ -Bf3+ -Rxb1+ -Qf6+ -Bc3 -Kg3 -Qxg6+ -Rxg2+ -Rh1+ -Rxe7+ -Qf3 -Rg6+ -d4+ -Rd7 -Kb2 -Bh3 -Rf8 -Kh2 -Bh3 -h6 -b2 -Bxf8 -Kb5 -Qxg2 -c4 -Qxh5+ -Qf4+ -Kb2 -Rd2 -Kd7 -Nd5 -Ka4 -Rc8 -Rb7 -Rf6 -R1xd5 -Rf7 -Nc5 -Nfg5 -Qxh6+ -Qh5+ -Nc6 -Qxf6+ -Nc6 -e5+ -Qh6 -b4 -Rxh1 -Rd6+ -Bxh7+ -Rxf6 -Nc4 -Qf6+ -h4 -Bxh7+ -Ng5 -a5 -Rxb3+ -Rxc3 -e5 -Nf4 -Re8+ -Ra2 -Rxf6 -Rxc7+ -Nh5+ -Nd6+ -f6 -Qxg5 -Re6 -Rf6 -Kg2 -c5 -b4 -g4 -Qf3 -Qxe5 -Rf4 -Bxh7+ -Bxf7 -Bf4 -Ba4+ -Qa8 -Nd4 -Nxf7+ -Nf5 -f3 -Qxg3+ -Kd4 -Bc8 -e4+ -f4 -Qd8 -a8=B -h5 -g6 -Rxh4 -Na5 -Qxe5 -Bxg6 -Nf5+ -d5 -Rxb3 -h6 -c4+ -c8=N -Qe6 -Rxd2 -Bf8+ -Bxc5+ -Bd5 -Ncxe7+ -Nxb5 -b4 -Kf3 -Nd5 -Qf5 -Qxg3+ -a6 -Kh5 -hxg6 -Qh3+ -b8=R -Nc8 -Rxd4 -f5 -Bh5+ -Be2+ -Ke1 -e3 -Rc1 -Nf6+ -Nxd3 -Rg4+ -Nd3 -Ra7 -h5 -Nab3+ -Kf6 -Kd3 -Ng2 -Nc6 -Nxc4 -Ba5+ -f4+ -Nc7 -Qxc4 -Bf3+ -Rh6 -Bc7 -Ka6 -Nh5 -Qd4+ -Nc7 -Bd4 -Rxe7+ -Rd8 -Bxh7+ -Bxh7+ -Bxh7+ -Rxd7 -Nd4 -Nf3 -Bg6 -f5 -Nb5 -Bxh7+ -Rxh7+ -Qxe8+ -b7+ -Ng6+ -Nf6+ -Bxh7+ -Qf6+ -Rd3 -Nc6 -N3h4 -Bg5 -Rxd4 -O-O-O -h4 -Nh5 -Ng4 -Bg4 -Kg7 -Qxf4 -Qh5 -Bxh7+ -cxb2 -Rxh2+ -Nd5 -Qc2 -d6 -Bf4 -Bxh7+ -e6 -g3 -Bg5 -Rdg1 -Rf6 -Nd6 -Bd2 -Qh5+ -Qf3 -Qd3 -Nxf7 -exf6 -Ng7 -Qf8 -Ke6 -Bxb5 -h6 -Rf6 -Nf1 -g4 -Rg2 -Qf3 -Rf5 -Qa4 -Kf4 -R4f6 -Qf7 -h4 -Rfd4 -Nf7 -Qg6 -Nb4 -Rad1 -Rg6 -Rexe3 -Qd3 -Nxd7 -Bxh2 -g5 -Rf7 -Bf4 -Ncd5 -b5 -Nxg5 -Kb1 -Nf4 -Kf2 -Ba6 -Kh6 -Rb1 -Rg3 -f5 -b4 -bxc5 -g4 -Qh5 -a4 -Ng5 -f5 -Bh3 -Bxh6 -Kf8 -Rxg2+ -Rxf5 -Rd3 -Qf5+ -Rxh3+ -g4 -Rda2 -Nb6 -Rxc5 -Bg5 -Be4 -Nb3 -Kc2 -Rb8 -Ba5 -Rd1 -Ne5 -g7+ -Rxd2 -Rxf2+ -f5 -b3+ -d5 -Nd5 -Bg4 -Bd8 -Rxh7+ -Rc8 -Nd1 -g4 -Rxc3+ -Bd2 -Qf3 -Bb2 -Nxg6 -Nxe5 -Ng5+ -Ng5 -Qh4 -Bg6 -Bh6 -Qh5+ -Nce5 -Ng4+ -Qxc8+ -Nf5 -Ne5 -Rxf7 -Bxc5 -Rf7 -Rxe7 -Rc8 -e5 -Rxd5 -a3 -Bxh7+ -Qf7 -Rxd3 -e5 -Re2 -Kd3 -Re5 -b5 -b6 -Kg2 -Bg3 -Ka2 -Rxa7+ -Rh6 -g6 -Kb2 -Kh2 -Rh8 -a4 -Rxe6+ -Kc5 -Bxg7+ -g5 -h4 -Ke6 -b4 -Kc6 -Kb6 -e5 -Kg3 -exf4 -d4+ -b4 -Bd1 -Rxb3+ -e4 -Nxa5 -Ke5 -Ke7 -c5 -Ke4 -f4 -e4 -Rf5+ -Nc3 -a6 -Kg1 -Bc6+ -Rh1+ -Rg2 -bxa8B -d6+ -b4 -Rb1 -f4 -Re1 ACT3.004-Re8+ ACT3.005-Nh3 ACT3.006-Kc1 ACT3.008-Bb8 ACT3.009-Kh2 ACT3.010-Nd4 ACT3.011-Rc3 ACT3.012-Nxe4 ACT3.013-Bd8 ACT3.015-Nd6+ ACT3.019-Bg8 ACT3.020-f5 ACT3.022-c3 ACT3.024-Qxc5+ ACT3.025-Bxa5 ACT3.026-Re5 ACT3.032-Qd4 ACT3.033-Qxh8 ACT3.042-f6 ACT3.043-Rc8+ ACT3.045-Ne5 ACT3.046-exf4 -Rc6 -Rxd8 -Rxg7 -Qxb4 -Rf6 -Qxf6+ -Nxg6 -e5 -f5 -Ne8 -Kc6
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