r2k2nr/p2p3p/4np1b/1pq5/PQ1B1p2/RPP3pP/4P1b1/3K1BNR w - - 0 23
FEN state: r2k2nr/p2p3p/4np1b/1pq5/PQ1B1p2/RPP3pP/4P1b1/3K1BNR w - - 0 23 ; Best move: d4c5
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 a7, black pawn at d7 and black pawn at h7. Black knight at e6, black pawn at f6 and black bishop at h6. Black pawn at b5 and black queen at c5. White pawn at a4, white queen at b4, white bishop at d4 and black pawn at f4. White rook at a3, white pawn at b3, white pawn at c3, black pawn at g3 and white pawn at h3. White pawn at e2 and black bishop at g2. White king at d1, white bishop at f1, 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.