rnb2bnr/1p1pk1p1/6Bp/1qp1p2P/PpPPPN2/R5P1/2K1QP2/1NB1R3 w - - 4 25
FEN state: rnb2bnr/1p1pk1p1/6Bp/1qp1p2P/PpPPPN2/R5P1/2K1QP2/1NB1R3 w - - 4 25 ; Best move: a4b5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at b7, black pawn at d7, black king at e7 and black pawn at g7. White bishop at g6 and black pawn at h6. Black queen at b5, black pawn at c5, black pawn at e5 and white pawn at h5. White pawn at a4, black pawn at b4, white pawn at c4, white pawn at d4, white pawn at e4 and white knight at f4. White rook at a3 and white pawn at g3. White king at c2, white queen at e2 and white pawn at f2. White knight at b1, white bishop at c1 and white rook at e1. Both players have exhausted their castles. Half move number is 4. Full move number is 25. White to move.