r1bq2nr/1pppk1p1/n4p2/1B2p3/3P1P1p/b1P1P1P1/RQ5P/1NBK2NR b - - 0 13
FEN state: r1bq2nr/1pppk1p1/n4p2/1B2p3/3P1P1p/b1P1P1P1/RQ5P/1NBK2NR b - - 0 13 ; Best move: a3b2
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black knight at g8 and black rook at h8. Black pawn at b7, black pawn at c7, black pawn at d7, black king at e7 and black pawn at g7. Black knight at a6 and black pawn at f6. White bishop at b5 and black pawn at e5. White pawn at d4, white pawn at f4 and black pawn at h4. Black bishop at a3, white pawn at c3, white pawn at e3 and white pawn at g3. White rook at a2, white queen at b2 and white pawn at h2. White knight at b1, white bishop at c1, white king at d1, 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.