r1bk1b1r/pp1p1p2/B3p2n/2p1N2p/3PP1pq/2P5/PP3PPP/1RBQ1KNR b - - 0 13
FEN state: r1bk1b1r/pp1p1p2/B3p2n/2p1N2p/3PP1pq/2P5/PP3PPP/1RBQ1KNR b - - 0 13 ; Best move: b7a6
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at d8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at d7 and black pawn at f7. White bishop at a6, black pawn at e6 and black knight at h6. Black pawn at c5, white knight at e5 and black pawn at h5. White pawn at d4, white pawn at e4, black pawn at g4 and black queen at h4. White pawn at c3. White pawn at a2, white pawn at b2, white pawn at f2, white pawn at g2 and white pawn at h2. White rook at b1, white bishop at c1, white queen at d1, white king at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 13. Black to move.