1Q5r/r2pbkpp/b7/2p2B2/1RP2P2/N5P1/P2P2qP/2B1K1NR w - - 1 21
FEN state: 1Q5r/r2pbkpp/b7/2p2B2/1RP2P2/N5P1/P2P2qP/2B1K1NR w - - 1 21 ; Best move: b8a7
The current state of the chess board is: White queen at b8 and black rook at h8. Black rook at a7, black pawn at d7, black bishop at e7, black king at f7, black pawn at g7 and black pawn at h7. Black bishop at a6. Black pawn at c5 and white bishop at f5. White rook at b4, white pawn at c4 and white pawn at f4. White knight at a3 and white pawn at g3. White pawn at a2, white pawn at d2, black queen at g2 and white pawn at h2. White bishop at c1, white king at e1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 21. White to move.