rnb2b1r/4p1pp/pp1k1n2/2qp1P2/P4QP1/BP3P2/N1P4P/1R2KBNR b K - 4 16
FEN state: rnb2b1r/4p1pp/pp1k1n2/2qp1P2/P4QP1/BP3P2/N1P4P/1R2KBNR b K - 4 16 ; Best move: e7e5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black bishop at f8 and black rook at h8. Black pawn at e7, black pawn at g7 and black pawn at h7. Black pawn at a6, black pawn at b6, black king at d6 and black knight at f6. Black queen at c5, black pawn at d5 and white pawn at f5. White pawn at a4, white queen at f4 and white pawn at g4. White bishop at a3, white pawn at b3 and white pawn at f3. White knight at a2, white pawn at c2 and white pawn at h2. White rook at b1, 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 4. Full move number is 16. Black to move.