r1b4r/pp2b2p/3ppk2/6p1/Pn3PP1/1B4RP/2PP4/1N2KQNR w K - 0 25
FEN state: r1b4r/pp2b2p/3ppk2/6p1/Pn3PP1/1B4RP/2PP4/1N2KQNR w K - 0 25 ; Best move: h3h4
The current state of the chess board is: Black rook at a8, black bishop at c8 and black rook at h8. Black pawn at a7, black pawn at b7, black bishop at e7 and black pawn at h7. Black pawn at d6, black pawn at e6 and black king at f6. Black pawn at g5. White pawn at a4, black knight at b4, white pawn at f4 and white pawn at g4. White bishop at b3, white rook at g3 and white pawn at h3. White pawn at c2 and white pawn at d2. White knight at b1, white king at e1, white queen at f1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 0. Full move number is 25. White to move.