r1b1k1n1/pp3p2/nN1p3B/5r2/2B5/2P2P1P/PP6/1RK3NR b - - 0 25
FEN state: r1b1k1n1/pp3p2/nN1p3B/5r2/2B5/2P2P1P/PP6/1RK3NR b - - 0 25 ; Best move: a7b6
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8 and black knight at g8. Black pawn at a7, black pawn at b7 and black pawn at f7. Black knight at a6, white knight at b6, black pawn at d6 and white bishop at h6. Black rook at f5. White bishop at c4. White pawn at c3, white pawn at f3 and white pawn at h3. White pawn at a2 and white pawn at b2. White rook at b1, white king 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 25. Black to move.