r2q1b1r/p1p1kpnp/1p2p3/RP4p1/2Pp3P/3P4/1BQNPP2/4KBNb w - - 2 15
FEN state: r2q1b1r/p1p1kpnp/1p2p3/RP4p1/2Pp3P/3P4/1BQNPP2/4KBNb w - - 2 15 ; Best move: a5a4
The current state of the chess board is: Black rook at a8, black queen at d8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at c7, black king at e7, black pawn at f7, black knight at g7 and black pawn at h7. Black pawn at b6 and black pawn at e6. White rook at a5, white pawn at b5 and black pawn at g5. White pawn at c4, black pawn at d4 and white pawn at h4. White pawn at d3. White bishop at b2, white queen at c2, white knight at d2, white pawn at e2 and white pawn at f2. White king at e1, white bishop at f1, white knight at g1 and black bishop at h1. Both players have exhausted their castles. Half move number is 2. Full move number is 15. White to move.