rNb3nr/8/4k1qb/Ppp4p/1Np1p3/2B1PpP1/3PBP1P/1R2K1NR w K - 5 25
FEN state: rNb3nr/8/4k1qb/Ppp4p/1Np1p3/2B1PpP1/3PBP1P/1R2K1NR w K - 5 25 ; Best move: b4c6
The current state of the chess board is: Black rook at a8, white knight at b8, black bishop at c8, black knight at g8 and black rook at h8. Black king at e6, black queen at g6 and black bishop at h6. White pawn at a5, black pawn at b5, black pawn at c5 and black pawn at h5. White knight at b4, black pawn at c4 and black pawn at e4. White bishop at c3, white pawn at e3, black pawn at f3 and white pawn at g3. White pawn at d2, white bishop at e2, white pawn at f2 and white pawn at h2. White rook at b1, white king at e1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 5. Full move number is 25. White to move.