r1b1kb1r/p1p2ppp/8/Bpnpp2n/P5B1/1P1P2P1/2PQPK1P/RN4NR b kq - 1 13
FEN state: r1b1kb1r/p1p2ppp/8/Bpnpp2n/P5B1/1P1P2P1/2PQPK1P/RN4NR b kq - 1 13 ; Best move: c8g4
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 c7, black pawn at f7, black pawn at g7 and black pawn at h7. White bishop at a5, black pawn at b5, black knight at c5, black pawn at d5, black pawn at e5 and black knight at h5. White pawn at a4 and white bishop at g4. White pawn at b3, white pawn at d3 and white pawn at g3. White pawn at c2, white queen at d2, white pawn at e2, white king at f2 and white pawn at h2. White rook at a1, white knight at b1, white knight at g1 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.