r1q1kb2/pb2p1p1/3nPp1r/1p1p3p/1n1P1P1P/2N3K1/PPP3PR/RQ3BN1 b q - 6 19
FEN state: r1q1kb2/pb2p1p1/3nPp1r/1p1p3p/1n1P1P1P/2N3K1/PPP3PR/RQ3BN1 b q - 6 19 ; Best move: d6f5
The current state of the chess board is: Black rook at a8, black queen at c8, black king at e8 and black bishop at f8. Black pawn at a7, black bishop at b7, black pawn at e7 and black pawn at g7. Black knight at d6, white pawn at e6, black pawn at f6 and black rook at h6. Black pawn at b5, black pawn at d5 and black pawn at h5. Black knight at b4, white pawn at d4, white pawn at f4 and white pawn at h4. White knight at c3 and white king at g3. White pawn at a2, white pawn at b2, white pawn at c2, white pawn at g2 and white rook at h2. White rook at a1, white queen at b1, white bishop at f1 and white knight at g1. Black queenside is the only castle move available. Half move number is 6. Full move number is 19. Black to move.