r1bqk2r/3p2bp/p3p1p1/1pp3N1/3P2PP/N1nP4/PPP2P2/R1BBK2R b Qkq - 5 18
FEN state: r1bqk2r/3p2bp/p3p1p1/1pp3N1/3P2PP/N1nP4/PPP2P2/R1BBK2R b Qkq - 5 18 ; Best move: c3d1
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at e8 and black rook at h8. Black pawn at d7, black bishop at g7 and black pawn at h7. Black pawn at a6, black pawn at e6 and black pawn at g6. Black pawn at b5, black pawn at c5 and white knight at g5. White pawn at d4, white pawn at g4 and white pawn at h4. White knight at a3, black knight at c3 and white pawn at d3. White pawn at a2, white pawn at b2, white pawn at c2 and white pawn at f2. White rook at a1, white bishop at c1, white bishop at d1, white king at e1 and white rook at h1. White queenside, black kingside and black queenside castles are available. Half move number is 5. Full move number is 18. Black to move.