rn3q1r/2pp1k1p/bp2pnp1/p4p2/1P1b4/5P2/PBNQP1PP/3RKB1R b K - 7 18
FEN state: rn3q1r/2pp1k1p/bp2pnp1/p4p2/1P1b4/5P2/PBNQP1PP/3RKB1R b K - 7 18 ; Best move: d4b2
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at f8 and black rook at h8. Black pawn at c7, black pawn at d7, black king at f7 and black pawn at h7. Black bishop at a6, black pawn at b6, black pawn at e6, black knight at f6 and black pawn at g6. Black pawn at a5 and black pawn at f5. White pawn at b4 and black bishop at d4. White pawn at f3. White pawn at a2, white bishop at b2, white knight at c2, white queen at d2, white pawn at e2, white pawn at g2 and white pawn at h2. White rook at d1, white king at e1, white bishop at f1 and white rook at h1. White kingside is the only castle move available. Half move number is 7. Full move number is 18. Black to move.