r1b1k1n1/1p1p1p1r/1qp3pp/p1bNp3/2P1P3/3nQ1PP/PP1PBP2/R1B2KNR b q - 2 12
FEN state: r1b1k1n1/1p1p1p1r/1qp3pp/p1bNp3/2P1P3/3nQ1PP/PP1PBP2/R1B2KNR b q - 2 12 ; Best move: c6d5
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8 and black knight at g8. Black pawn at b7, black pawn at d7, black pawn at f7 and black rook at h7. Black queen at b6, black pawn at c6, black pawn at g6 and black pawn at h6. Black pawn at a5, black bishop at c5, white knight at d5 and black pawn at e5. White pawn at c4 and white pawn at e4. Black knight at d3, white queen at e3, white pawn at g3 and white pawn at h3. White pawn at a2, white pawn at b2, white pawn at d2, white bishop at e2 and white pawn at f2. White rook at a1, white bishop at c1, white king at f1, white knight at g1 and white rook at h1. Black queenside is the only castle move available. Half move number is 2. Full move number is 12. Black to move.