rn1q1k1r/2pbp2p/1P4p1/R2pbp1n/3PP3/5PPP/1PPKB3/1NBQ2NR b - - 0 12
FEN state: rn1q1k1r/2pbp2p/1P4p1/R2pbp1n/3PP3/5PPP/1PPKB3/1NBQ2NR b - - 0 12 ; Best move: a8a5
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at d8, black king at f8 and black rook at h8. Black pawn at c7, black bishop at d7, black pawn at e7 and black pawn at h7. White pawn at b6 and black pawn at g6. White rook at a5, black pawn at d5, black bishop at e5, black pawn at f5 and black knight at h5. White pawn at d4 and white pawn at e4. White pawn at f3, white pawn at g3 and white pawn at h3. White pawn at b2, white pawn at c2, white king at d2 and white bishop at e2. 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 0. Full move number is 12. Black to move.