1nb1kb1r/5ppp/1qp1p3/1p1p4/4nPPP/r1PBP3/RP1QK3/1NB1NR2 b k - 0 15
FEN state: 1nb1kb1r/5ppp/1qp1p3/1p1p4/4nPPP/r1PBP3/RP1QK3/1NB1NR2 b k - 0 15 ; Best move: a3a2
The current state of the chess board is: Black knight at b8, black bishop at c8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at f7, black pawn at g7 and black pawn at h7. Black queen at b6, black pawn at c6 and black pawn at e6. Black pawn at b5 and black pawn at d5. Black knight at e4, white pawn at f4, white pawn at g4 and white pawn at h4. Black rook at a3, white pawn at c3, white bishop at d3 and white pawn at e3. White rook at a2, white pawn at b2, white queen at d2 and white king at e2. White knight at b1, white bishop at c1, white knight at e1 and white rook at f1. Black kingside is the only castle move available. Half move number is 0. Full move number is 15. Black to move.