rnb1kr2/1pp2n1p/4p1p1/1p1P1pq1/P1B5/2P2P2/1b1P1NPP/RN1QK2R w KQq - 1 13
FEN state: rnb1kr2/1pp2n1p/4p1p1/1p1P1pq1/P1B5/2P2P2/1b1P1NPP/RN1QK2R w KQq - 1 13 ; Best move: c4b5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8 and black rook at f8. Black pawn at b7, black pawn at c7, black knight at f7 and black pawn at h7. Black pawn at e6 and black pawn at g6. Black pawn at b5, white pawn at d5, black pawn at f5 and black queen at g5. White pawn at a4 and white bishop at c4. White pawn at c3 and white pawn at f3. Black bishop at b2, white pawn at d2, white knight at f2, white pawn at g2 and white pawn at h2. White rook at a1, white knight at b1, white queen at d1, white king at e1 and white rook at h1. White kingside, white queenside and black queenside castles are available. Half move number is 1. Full move number is 13. White to move.