r2q2n1/nppk2pr/4pp1p/1b6/p5P1/bQP1N3/3PPP1P/1RB1KBNR b K - 3 16
FEN state: r2q2n1/nppk2pr/4pp1p/1b6/p5P1/bQP1N3/3PPP1P/1RB1KBNR b K - 3 16 ; Best move: a4b3
The current state of the chess board is: Black rook at a8, black queen at d8 and black knight at g8. Black knight at a7, black pawn at b7, black pawn at c7, black king at d7, black pawn at g7 and black rook at h7. Black pawn at e6, black pawn at f6 and black pawn at h6. Black bishop at b5. Black pawn at a4 and white pawn at g4. Black bishop at a3, white queen at b3, white pawn at c3 and white knight at e3. White pawn at d2, white pawn at e2, white pawn at f2 and white pawn at h2. White rook at b1, white bishop at c1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 3. Full move number is 16. Black to move.