r3kb2/1bpq3r/p4n2/3p1p2/pQ1nppp1/RP5P/2P1PKB1/1NB3NR w - - 0 23
FEN state: r3kb2/1bpq3r/p4n2/3p1p2/pQ1nppp1/RP5P/2P1PKB1/1NB3NR w - - 0 23 ; Best move: b4d4
The current state of the chess board is: Black rook at a8, black king at e8 and black bishop at f8. Black bishop at b7, black pawn at c7, black queen at d7 and black rook at h7. Black pawn at a6 and black knight at f6. Black pawn at d5 and black pawn at f5. Black pawn at a4, white queen at b4, black knight at d4, black pawn at e4, black pawn at f4 and black pawn at g4. White rook at a3, white pawn at b3 and white pawn at h3. White pawn at c2, white pawn at e2, white king at f2 and white bishop at g2. White knight at b1, white bishop at c1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 23. White to move.