r1b3nr/p1pp1kpp/n3pp2/1pb2Pq1/P5P1/R1P1PK2/1P1P2BP/1NBQ2NR b - - 1 13
FEN state: r1b3nr/p1pp1kpp/n3pp2/1pb2Pq1/P5P1/R1P1PK2/1P1P2BP/1NBQ2NR b - - 1 13 ; Best move: c8b7
The current state of the chess board is: Black rook at a8, black bishop at c8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at c7, black pawn at d7, black king at f7, black pawn at g7 and black pawn at h7. Black knight at a6, black pawn at e6 and black pawn at f6. Black pawn at b5, black bishop at c5, white pawn at f5 and black queen at g5. White pawn at a4 and white pawn at g4. White rook at a3, white pawn at c3, white pawn at e3 and white king at f3. White pawn at b2, white pawn at d2, white bishop at g2 and white pawn at h2. White knight at b1, white bishop at c1, white queen at d1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 13. Black to move.