rnb1k1r1/6bp/pp2p2n/2q1P3/N1p2pp1/BP6/P1PP3P/1R1QK1NR w Kq - 0 18
FEN state: rnb1k1r1/6bp/pp2p2n/2q1P3/N1p2pp1/BP6/P1PP3P/1R1QK1NR w Kq - 0 18 ; Best move: a3c5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8 and black rook at g8. Black bishop at g7 and black pawn at h7. Black pawn at a6, black pawn at b6, black pawn at e6 and black knight at h6. Black queen at c5 and white pawn at e5. White knight at a4, black pawn at c4, black pawn at f4 and black pawn at g4. White bishop at a3 and white pawn at b3. White pawn at a2, white pawn at c2, white pawn at d2 and white pawn at h2. White rook at b1, white queen at d1, white king at e1, white knight at g1 and white rook at h1. White kingside and black queenside castles are available. Half move number is 0. Full move number is 18. White to move.