r1b1n2k/p1p1r1pp/2np1q2/N3pp2/PP6/B4QPP/2P1PP1R/1R1K1BN1 w - - 9 18
FEN state: r1b1n2k/p1p1r1pp/2np1q2/N3pp2/PP6/B4QPP/2P1PP1R/1R1K1BN1 w - - 9 18 ; Best move: a5c6
The current state of the chess board is: Black rook at a8, black bishop at c8, black knight at e8 and black king at h8. Black pawn at a7, black pawn at c7, black rook at e7, black pawn at g7 and black pawn at h7. Black knight at c6, black pawn at d6 and black queen at f6. White knight at a5, black pawn at e5 and black pawn at f5. White pawn at a4 and white pawn at b4. White bishop at a3, white queen at f3, white pawn at g3 and white pawn at h3. White pawn at c2, white pawn at e2, white pawn at f2 and white rook at h2. White rook at b1, white king at d1, white bishop at f1 and white knight at g1. Both players have exhausted their castles. Half move number is 9. Full move number is 18. White to move.