1n2kbn1/rb2p1pQ/p1pq1p2/1p1p3p/P1BPP2P/1PP5/R2K1PP1/1NB3NR b - - 4 13
FEN state: 1n2kbn1/rb2p1pQ/p1pq1p2/1p1p3p/P1BPP2P/1PP5/R2K1PP1/1NB3NR b - - 4 13 ; Best move: b5c4
The current state of the chess board is: Black knight at b8, black king at e8, black bishop at f8 and black knight at g8. Black rook at a7, black bishop at b7, black pawn at e7, black pawn at g7 and white queen at h7. Black pawn at a6, black pawn at c6, black queen at d6 and black pawn at f6. Black pawn at b5, black pawn at d5 and black pawn at h5. White pawn at a4, white bishop at c4, white pawn at d4, white pawn at e4 and white pawn at h4. White pawn at b3 and white pawn at c3. White rook at a2, white king at d2, white pawn at f2 and white pawn at g2. White knight at b1, white bishop at c1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 4. Full move number is 13. Black to move.