rnbqk3/pppp3N/2nQp3/2b3pp/1P1PP2P/P4r2/R1P2PPR/1NB1KB2 b q - 3 15
FEN state: rnbqk3/pppp3N/2nQp3/2b3pp/1P1PP2P/P4r2/R1P2PPR/1NB1KB2 b q - 3 15 ; Best move: c5d6
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at d8 and black king at e8. Black pawn at a7, black pawn at b7, black pawn at c7, black pawn at d7 and white knight at h7. Black knight at c6, white queen at d6 and black pawn at e6. Black bishop at c5, black pawn at g5 and black pawn at h5. White pawn at b4, white pawn at d4, white pawn at e4 and white pawn at h4. White pawn at a3 and black rook at f3. White rook at a2, white pawn at c2, white pawn at f2, white pawn at g2 and white rook at h2. White knight at b1, white bishop at c1, white king at e1 and white bishop at f1. Black queenside is the only castle move available. Half move number is 3. Full move number is 15. Black to move.