r2k2nr/2p1pqb1/1Nn2p2/7p/2PpPp1P/3PB2P/PP2K1BR/5RN1 b - - 0 23
FEN state: r2k2nr/2p1pqb1/1Nn2p2/7p/2PpPp1P/3PB2P/PP2K1BR/5RN1 b - - 0 23 ; Best move: a8a2
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 c7, black pawn at e7, black queen at f7 and black bishop at g7. White knight at b6, black knight at c6 and black pawn at f6. Black pawn at h5. White pawn at c4, black pawn at d4, white pawn at e4, black pawn at f4 and white pawn at h4. White pawn at d3, white bishop at e3 and white pawn at h3. White pawn at a2, white pawn at b2, white king at e2, white bishop at g2 and white rook at h2. White rook at f1 and white knight at g1. Both players have exhausted their castles. Half move number is 0. Full move number is 23. Black to move.