1r2k3/3p1p1p/p3p1pn/1np5/1pP1bqP1/1P1P3B/PB5P/bN1K2NR w - - 0 25
FEN state: 1r2k3/3p1p1p/p3p1pn/1np5/1pP1bqP1/1P1P3B/PB5P/bN1K2NR w - - 0 25 ; Best move: b2a1
The current state of the chess board is: Black rook at b8 and black king at e8. Black pawn at d7, black pawn at f7 and black pawn at h7. Black pawn at a6, black pawn at e6, black pawn at g6 and black knight at h6. Black knight at b5 and black pawn at c5. Black pawn at b4, white pawn at c4, black bishop at e4, black queen at f4 and white pawn at g4. White pawn at b3, white pawn at d3 and white bishop at h3. White pawn at a2, white bishop at b2 and white pawn at h2. Black bishop at a1, white knight at b1, white king at d1, 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. White to move.