r3kbnr/p1q5/np1pp3/P1p3pp/3P4/1NP2N2/bP1BPKPP/1R1Q1B1R b kq - 1 13
FEN state: r3kbnr/p1q5/np1pp3/P1p3pp/3P4/1NP2N2/bP1BPKPP/1R1Q1B1R b kq - 1 13 ; Best move: c5c4
The current state of the chess board is: Black rook at a8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7 and black queen at c7. Black knight at a6, black pawn at b6, black pawn at d6 and black pawn at e6. White pawn at a5, black pawn at c5, black pawn at g5 and black pawn at h5. White pawn at d4. White knight at b3, white pawn at c3 and white knight at f3. Black bishop at a2, white pawn at b2, white bishop at d2, white pawn at e2, white king at f2, white pawn at g2 and white pawn at h2. White rook at b1, white queen at d1, white bishop at f1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 1. Full move number is 13. Black to move.