r1bk1bnr/pp1pp3/n1p3p1/2q2p2/N4PP1/3PPN1p/PPP1BK1P/1RBQ1R2 w - - 1 15
FEN state: r1bk1bnr/pp1pp3/n1p3p1/2q2p2/N4PP1/3PPN1p/PPP1BK1P/1RBQ1R2 w - - 1 15 ; Best move: a4c5
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at d8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at d7 and black pawn at e7. Black knight at a6, black pawn at c6 and black pawn at g6. Black queen at c5 and black pawn at f5. White knight at a4, white pawn at f4 and white pawn at g4. White pawn at d3, white pawn at e3, white knight at f3 and black pawn at h3. White pawn at a2, white pawn at b2, white pawn at c2, white bishop at e2, white king at f2 and white pawn at h2. White rook at b1, white bishop at c1, white queen at d1 and white rook at f1. Both players have exhausted their castles. Half move number is 1. Full move number is 15. White to move.