rn2k2r/pp2npb1/1q2p3/1bpN1P2/1P2P1pp/3P2PP/P1P1B3/R1BQK1NR w KQkq - 1 13
FEN state: rn2k2r/pp2npb1/1q2p3/1bpN1P2/1P2P1pp/3P2PP/P1P1B3/R1BQK1NR w KQkq - 1 13 ; Best move: d5b6
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8 and black rook at h8. Black pawn at a7, black pawn at b7, black knight at e7, black pawn at f7 and black bishop at g7. Black queen at b6 and black pawn at e6. Black bishop at b5, black pawn at c5, white knight at d5 and white pawn at f5. White pawn at b4, white pawn at e4, black pawn at g4 and black pawn at h4. White pawn at d3, white pawn at g3 and white pawn at h3. White pawn at a2, white pawn at c2 and white bishop at e2. White rook at a1, white bishop at c1, white queen at d1, white king at e1, white knight at g1 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.