r3kbnr/2q1pp2/n2p2p1/1pB2b1p/5P2/2NP4/PPP1PKPP/R2Q1BR1 b kq - 5 10
FEN state: r3kbnr/2q1pp2/n2p2p1/1pB2b1p/5P2/2NP4/PPP1PKPP/R2Q1BR1 b kq - 5 10 ; Best move: a6c5
The current state of the chess board is: Black rook at a8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black queen at c7, black pawn at e7 and black pawn at f7. Black knight at a6, black pawn at d6 and black pawn at g6. Black pawn at b5, white bishop at c5, black bishop at f5 and black pawn at h5. White pawn at f4. White knight at c3 and white pawn at d3. White pawn at a2, white pawn at b2, white pawn at c2, white pawn at e2, white king at f2, white pawn at g2 and white pawn at h2. White rook at a1, white queen at d1, white bishop at f1 and white rook at g1. Black kingside and black queenside castles are available. Half move number is 5. Full move number is 10. Black to move.