rQb1k2r/np1pq1p1/2p1p3/P4p1p/1b6/3PK1P1/P1PnNP1P/RNB2BR1 w - - 2 18
FEN state: rQb1k2r/np1pq1p1/2p1p3/P4p1p/1b6/3PK1P1/P1PnNP1P/RNB2BR1 w - - 2 18 ; Best move: b8a8
The current state of the chess board is: Black rook at a8, white queen at b8, black bishop at c8, black king at e8 and black rook at h8. Black knight at a7, black pawn at b7, black pawn at d7, black queen at e7 and black pawn at g7. Black pawn at c6 and black pawn at e6. White pawn at a5, black pawn at f5 and black pawn at h5. Black bishop at b4. White pawn at d3, white king at e3 and white pawn at g3. White pawn at a2, white pawn at c2, black knight at d2, white knight at e2, white pawn at f2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white bishop at f1 and white rook at g1. Both players have exhausted their castles. Half move number is 2. Full move number is 18. White to move.