r2q1k1r/p3np1Q/3pb3/Ppp3p1/1nPb2P1/B6P/3NPP2/R3KBNR w KQ - 1 18
FEN state: r2q1k1r/p3np1Q/3pb3/Ppp3p1/1nPb2P1/B6P/3NPP2/R3KBNR w KQ - 1 18 ; Best move: h7b1
The current state of the chess board is: Black rook at a8, black queen at d8, black king at f8 and black rook at h8. Black pawn at a7, black knight at e7, black pawn at f7 and white queen at h7. Black pawn at d6 and black bishop at e6. White pawn at a5, black pawn at b5, black pawn at c5 and black pawn at g5. Black knight at b4, white pawn at c4, black bishop at d4 and white pawn at g4. White bishop at a3 and white pawn at h3. White knight at d2, white pawn at e2 and white pawn at f2. White rook at a1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 1. Full move number is 18. White to move.