r1bk4/pp1p1pbr/n4n1p/1Bp1p1pP/4P1P1/2P3N1/PP1PK3/RNBQ3R b - - 0 13
FEN state: r1bk4/pp1p1pbr/n4n1p/1Bp1p1pP/4P1P1/2P3N1/PP1PK3/RNBQ3R b - - 0 13 ; Best move: a6c7
The current state of the chess board is: Black rook at a8, black bishop at c8 and black king at d8. Black pawn at a7, black pawn at b7, black pawn at d7, black pawn at f7, black bishop at g7 and black rook at h7. Black knight at a6, black knight at f6 and black pawn at h6. White bishop at b5, black pawn at c5, black pawn at e5, black pawn at g5 and white pawn at h5. White pawn at e4 and white pawn at g4. White pawn at c3 and white knight at g3. White pawn at a2, white pawn at b2, white pawn at d2 and white king at e2. White rook at a1, white knight at b1, white bishop at c1, white queen at d1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 13. Black to move.