r1b2b1r/Npp2k1p/2nq3n/P3p3/1P1p1p1p/R2P3N/2P1PPP1/2BQKB1R b - - 0 13
FEN state: r1b2b1r/Npp2k1p/2nq3n/P3p3/1P1p1p1p/R2P3N/2P1PPP1/2BQKB1R b - - 0 13 ; Best move: a8a7
The current state of the chess board is: Black rook at a8, black bishop at c8, black bishop at f8 and black rook at h8. White knight at a7, black pawn at b7, black pawn at c7, black king at f7 and black pawn at h7. Black knight at c6, black queen at d6 and black knight at h6. White pawn at a5 and black pawn at e5. White pawn at b4, black pawn at d4, black pawn at f4 and black pawn at h4. White rook at a3, white pawn at d3 and white knight at h3. White pawn at c2, white pawn at e2, white pawn at f2 and white pawn at g2. White bishop at c1, white queen at d1, white king at e1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 13. Black to move.