r1b1k1nr/pppp1p2/q1P3p1/6b1/4p2p/1P3PBN/3PP1PP/R2QKB1R w KQkq - 3 18
FEN state: r1b1k1nr/pppp1p2/q1P3p1/6b1/4p2p/1P3PBN/3PP1PP/R2QKB1R w KQkq - 3 18 ; Best move: a1a6
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at c7, black pawn at d7 and black pawn at f7. Black queen at a6, white pawn at c6 and black pawn at g6. Black bishop at g5. Black pawn at e4 and black pawn at h4. White pawn at b3, white pawn at f3, white bishop at g3 and white knight at h3. White pawn at d2, white pawn at e2, white pawn at g2 and white pawn at h2. White rook at a1, 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 3. Full move number is 18. White to move.