r1b1kb2/pp2ppBp/2pp4/qNn2Pp1/2P5/P2B4/3PQPPP/R3K1NR w KQq - 3 13
FEN state: r1b1kb2/pp2ppBp/2pp4/qNn2Pp1/2P5/P2B4/3PQPPP/R3K1NR w KQq - 3 13 ; Best move: b5d6
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8 and black bishop at f8. Black pawn at a7, black pawn at b7, black pawn at e7, black pawn at f7, white bishop at g7 and black pawn at h7. Black pawn at c6 and black pawn at d6. Black queen at a5, white knight at b5, black knight at c5, white pawn at f5 and black pawn at g5. White pawn at c4. White pawn at a3 and white bishop at d3. White pawn at d2, white queen at e2, white pawn at f2, white pawn at g2 and white pawn at h2. White rook at a1, white king at e1, white knight at g1 and white rook at h1. White kingside, white queenside and black queenside castles are available. Half move number is 3. Full move number is 13. White to move.