r1bq2nr/2pp1k2/1p3P2/1P2PpP1/5bp1/7N/1RnP1R2/1NB2K2 b - - 1 23
FEN state: r1bq2nr/2pp1k2/1p3P2/1P2PpP1/5bp1/7N/1RnP1R2/1NB2K2 b - - 1 23 ; Best move: f4e5
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black knight at g8 and black rook at h8. Black pawn at c7, black pawn at d7 and black king at f7. Black pawn at b6 and white pawn at f6. White pawn at b5, white pawn at e5, black pawn at f5 and white pawn at g5. Black bishop at f4 and black pawn at g4. White knight at h3. White rook at b2, black knight at c2, white pawn at d2 and white rook at f2. White knight at b1, white bishop at c1 and white king at f1. Both players have exhausted their castles. Half move number is 1. Full move number is 23. Black to move.