r1b1kb1r/pp1n1p2/5qpn/3p3p/2p4P/P1PPB1PB/1P2PP2/1R2K1NR b Kkq - 0 18
FEN state: r1b1kb1r/pp1n1p2/5qpn/3p3p/2p4P/P1PPB1PB/1P2PP2/1R2K1NR b Kkq - 0 18 ; Best move: c4d3
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at b7, black knight at d7 and black pawn at f7. Black queen at f6, black pawn at g6 and black knight at h6. Black pawn at d5 and black pawn at h5. Black pawn at c4 and white pawn at h4. White pawn at a3, white pawn at c3, white pawn at d3, white bishop at e3, white pawn at g3 and white bishop at h3. White pawn at b2, white pawn at e2 and white pawn at f2. White rook at b1, white king at e1, white knight at g1 and white rook at h1. White kingside, black kingside and black queenside castles are available. Half move number is 0. Full move number is 18. Black to move.