2rqkbnr/p3p1p1/Qppp4/2n2p2/P1bP1P2/5N1P/RP1BP1P1/1N2KB1R w K - 0 16
FEN state: 2rqkbnr/p3p1p1/Qppp4/2n2p2/P1bP1P2/5N1P/RP1BP1P1/1N2KB1R w K - 0 16 ; Best move: a6c4
The current state of the chess board is: Black rook at c8, black queen at d8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at e7 and black pawn at g7. White queen at a6, black pawn at b6, black pawn at c6 and black pawn at d6. Black knight at c5 and black pawn at f5. White pawn at a4, black bishop at c4, white pawn at d4 and white pawn at f4. White knight at f3 and white pawn at h3. White rook at a2, white pawn at b2, white bishop at d2, white pawn at e2 and white pawn at g2. White knight at b1, white king at e1, white bishop at f1 and white rook at h1. White kingside is the only castle move available. Half move number is 0. Full move number is 16. White to move.