r3kb1r/1p1np2p/3p1p2/2p2np1/p3P2P/P1P3PB/bP1N1P2/R1B1KR2 w Qkq - 1 18
FEN state: r3kb1r/1p1np2p/3p1p2/2p2np1/p3P2P/P1P3PB/bP1N1P2/R1B1KR2 w Qkq - 1 18 ; Best move: a1a2
The current state of the chess board is: Black rook at a8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at b7, black knight at d7, black pawn at e7 and black pawn at h7. Black pawn at d6 and black pawn at f6. Black pawn at c5, black knight at f5 and black pawn at g5. Black pawn at a4, white pawn at e4 and white pawn at h4. White pawn at a3, white pawn at c3, white pawn at g3 and white bishop at h3. Black bishop at a2, white pawn at b2, white knight at d2 and white pawn at f2. White rook at a1, white bishop at c1, white king at e1 and white rook at f1. White queenside, black kingside and black queenside castles are available. Half move number is 1. Full move number is 18. White to move.