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Bad tactical positions
- 5r2/4k3/1q2pp2/3p3p/1p1Rr3/1B4P1/P1PQ2bP/1K1R4 w - - 2 37
- 8/8/3b4/3k1P2/8/3K4/8/8 w - - 0 139
- KBvKp is most likely a draw
- limit evaluation if no mating material.
- r5r1/1b1n1pk1/2qN1np1/2p3Qp/4PR2/P3B2P/1PP3P1/3R2K1 b - - 2 23
- avoid move g8e8 (Rge8)
- 8/P7/8/qNKP4/2P5/1P6/8/3k4 b - - 0 63
- Eval >= 0, till depth 13 then huge drop < -500.
- 8/2R3pp/1q3pk1/p1R1n3/P1b1P3/2B3P1/6BP/6K1 w - - 5 36
- seldepth stuck at 13.
- 5bk1/5p2/7p/1Kp5/2P2B2/1Pqp3P/Q5P1/8 b - - 4 47
- nodes explosion
- seldepth explosion
- rq3rk1/p1bb2p1/1pp1ppnp/2PpP3/3PP2P/1Q1BB1P1/PP1N4/2R2RK1 b - - 1 22
- qs explosion (2345 nodes)
- rq3rk1/p1bb2p1/1pp1ppnp/2PpP3/3PP2P/1Q1BB1P1/PP1N4/2R2RK1 b - - 1 22
- qs explosion (4546 nodes)
- r4rk1/2qnbppp/bpp2n2/p1PPp3/1P1P4/P1N2N2/1BQ1BPPP/R4RK1 b - - 2 15
- qs explosion (2849 nodes)
- 2k5/2P3p1/1Pb5/3r4/4p1p1/4P3/3R1PK1/8 w - - 10 61
- Rd2-c2 is the best move
- rnq3kr/pp3pp1/4pb2/7p/2R5/4PN2/PP1BBnPP/3Q1RK1 b - - 0 1
- QS doesn't find a move, but at depth 1 there are only captures.
Bad evalution position
- Player can promote and keep the queen
- 8/5k1p/p4Np1/1p2R3/3n1PBP/P5P1/2pr4/5K2 w - - 0 1
- 4k3/p7/1p1B4/8/KPp2N2/8/PP3p2/8 w - - 0 1
- rn1q1k2/pp2bppP/3pb3/2p1p3/4P3/P1N5/1PPP1P2/R1B1KBN1 b Q - 0 1
- 8/2kp4/7P/8/1pN1K3/8/pb3P2/1n2R3 w - - 0 1
- rnQ5/p2p1pkp/2pPp1r1/q7/3P3P/8/Pp3PPN/R3KB1R w KQ - 0 1
- 8/1p6/1R6/5p2/2k5/8/2p3K1/8 w - - 0 1
- King and Queen under attack
- r3r1k1/1p3ppp/p1p2N2/4nb2/1bP2NP1/4P2P/PB2BP2/R2q1RK1 b - - 0 1
- 4Q3/2R5/1k5p/3R4/7P/2K5/4r3/q7 w - - 0 1
- Fork
- 2q2nk1/2b1Bpp1/4p1p1/p2p4/Q2P4/2n1PNPP/2P1BPK1/8 w - - 0 1
- r3kb1r/4qp2/p1b1p1pp/2Pp4/P7/1Nn1P1PP/4BP2/1RBQ1RK1 w kq -
- 8/6k1/1Q3p2/8/4q2P/8/4B3/7K w - -
- Hanging piece
- side to move gets a free pass
- 3r4/p7/1p1P1k1p/1Pp5/2n5/P4N1P/3K4/1R6 w - - 0 1
- 8/8/1K3Q2/5bk1/8/8/8/8 b - - 0 1
- rnQ5/p2p1pkp/2pPp1r1/q7/3P3P/8/Pp3PPN/R3KB1R w KQ - 0 1
- 5r1k/pp2ppR1/7p/2Pr4/5N1P/8/PP3P2/R3K3 b Q - 0 1
- r1bqk2r/3p1ppp/1pp5/3Q4/8/2b5/PP2KPPP/R1B3NR w kq - 0 1
- 8/6k1/1Q3p2/8/4q2P/8/4B3/7K w - - 0 1
- King safety
- 8/1p4k1/p3p2r/3pP1pp/2pP2n1/P3b1P1/1qB1NRP1/5RKQ w - - 0 31
- 6k1/ppQ2pp1/7p/8/1P1Pr3/P4q2/1B5P/1NR3K1 b - - 2 33
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