r1b2b1r/p2k3n/n2pp1q1/1P3ppp/3P1P2/RP2P1PP/2N2K1R/2BQ1BN1 w - - 2 25
FEN state: r1b2b1r/p2k3n/n2pp1q1/1P3ppp/3P1P2/RP2P1PP/2N2K1R/2BQ1BN1 w - - 2 25 ; Best move: b5a6
The current state of the chess board is: Black rook at a8, black bishop at c8, black bishop at f8 and black rook at h8. Black pawn at a7, black king at d7 and black knight at h7. Black knight at a6, black pawn at d6, black pawn at e6 and black queen at g6. White pawn at b5, black pawn at f5, black pawn at g5 and black pawn at h5. White pawn at d4 and white pawn at f4. White rook at a3, white pawn at b3, white pawn at e3, white pawn at g3 and white pawn at h3. White knight at c2, white king at f2 and white rook at h2. White bishop at c1, white queen at d1, white bishop at f1 and white knight at g1. Both players have exhausted their castles. Half move number is 2. Full move number is 25. White to move.