r2k2nr/1pq1pp1b/2n4b/1p5p/3PpPPR/P1N1B3/2N5/R1Q1K3 w - - 0 23
FEN state: r2k2nr/1pq1pp1b/2n4b/1p5p/3PpPPR/P1N1B3/2N5/R1Q1K3 w - - 0 23 ; Best move: a1b1
The current state of the chess board is: Black rook at a8, black king at d8, black knight at g8 and black rook at h8. Black pawn at b7, black queen at c7, black pawn at e7, black pawn at f7 and black bishop at h7. Black knight at c6 and black bishop at h6. Black pawn at b5 and black pawn at h5. White pawn at d4, black pawn at e4, white pawn at f4, white pawn at g4 and white rook at h4. White pawn at a3, white knight at c3 and white bishop at e3. White knight at c2. White rook at a1, white queen at c1 and white king at e1. Both players have exhausted their castles. Half move number is 0. Full move number is 23. White to move.