rnb1k2r/4b3/B1p1pnpp/2qp4/1p1P1pP1/1QP1P2N/PP1N1P1P/R1B1K1R1 b Qkq - 0 18
FEN state: rnb1k2r/4b3/B1p1pnpp/2qp4/1p1P1pP1/1QP1P2N/PP1N1P1P/R1B1K1R1 b Qkq - 0 18 ; Best move: c5d6
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8 and black rook at h8. Black bishop at e7. White bishop at a6, black pawn at c6, black pawn at e6, black knight at f6, black pawn at g6 and black pawn at h6. Black queen at c5 and black pawn at d5. Black pawn at b4, white pawn at d4, black pawn at f4 and white pawn at g4. White queen at b3, white pawn at c3, white pawn at e3 and white knight at h3. White pawn at a2, white pawn at b2, white knight at d2, white pawn at f2 and white pawn at h2. White rook at a1, white bishop at c1, white king at e1 and white rook at g1. White queenside, black kingside and black queenside castles are available. Half move number is 0. Full move number is 18. Black to move.