1r2k2r/pqp2pp1/1p2p3/N2p3p/4nP1R/3bP3/PP1B2P1/RN1QKB2 w Qk - 1 18
FEN state: 1r2k2r/pqp2pp1/1p2p3/N2p3p/4nP1R/3bP3/PP1B2P1/RN1QKB2 w Qk - 1 18 ; Best move: a5b7
The current state of the chess board is: Black rook at b8, black king at e8 and black rook at h8. Black pawn at a7, black queen at b7, black pawn at c7, black pawn at f7 and black pawn at g7. Black pawn at b6 and black pawn at e6. White knight at a5, black pawn at d5 and black pawn at h5. Black knight at e4, white pawn at f4 and white rook at h4. Black bishop at d3 and white pawn at e3. White pawn at a2, white pawn at b2, white bishop at d2 and white pawn at g2. White rook at a1, white knight at b1, white queen at d1, white king at e1 and white bishop at f1. White queenside and black kingside castles are available. Half move number is 1. Full move number is 18. White to move.