rq2kb1r/p2bp2p/n1p1N1p1/1pPp1p2/4nB2/P2PP1P1/1P3P1P/RN1QKB1R w KQkq - 1 13
FEN state: rq2kb1r/p2bp2p/n1p1N1p1/1pPp1p2/4nB2/P2PP1P1/1P3P1P/RN1QKB1R w KQkq - 1 13 ; Best move: f4b8
The current state of the chess board is: Black rook at a8, black queen at b8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black bishop at d7, black pawn at e7 and black pawn at h7. Black knight at a6, black pawn at c6, white knight at e6 and black pawn at g6. Black pawn at b5, white pawn at c5, black pawn at d5 and black pawn at f5. Black knight at e4 and white bishop at f4. White pawn at a3, white pawn at d3, white pawn at e3 and white pawn at g3. White pawn at b2, white pawn at f2 and white pawn at h2. White rook at a1, white knight at b1, white queen at d1, white king at e1, white bishop at f1 and white rook at h1. White kingside, white queenside, black kingside and black queenside castles are available. Half move number is 1. Full move number is 13. White to move.