3qkb1r/2pb3p/np2pp1n/1B4p1/P2PP2P/B2Q3R/P1P1N1P1/2KR4 b k - 0 15
FEN state: 3qkb1r/2pb3p/np2pp1n/1B4p1/P2PP2P/B2Q3R/P1P1N1P1/2KR4 b k - 0 15 ; Best move: a6b4
The current state of the chess board is: Black queen at d8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at c7, black bishop at d7 and black pawn at h7. Black knight at a6, black pawn at b6, black pawn at e6, black pawn at f6 and black knight at h6. White bishop at b5 and black pawn at g5. White pawn at a4, white pawn at d4, white pawn at e4 and white pawn at h4. White bishop at a3, white queen at d3 and white rook at h3. White pawn at a2, white pawn at c2, white knight at e2 and white pawn at g2. White king at c1 and white rook at d1. Black kingside is the only castle move available. Half move number is 0. Full move number is 15. Black to move.