rnb1qb1r/1ppp4/p3kpp1/1N2p2p/1PPP1B2/7P/P3PPPR/2RQKBN1 b - - 3 12
FEN state: rnb1qb1r/1ppp4/p3kpp1/1N2p2p/1PPP1B2/7P/P3PPPR/2RQKBN1 b - - 3 12 ; Best move: a6b5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at e8, black bishop at f8 and black rook at h8. Black pawn at b7, black pawn at c7 and black pawn at d7. Black pawn at a6, black king at e6, black pawn at f6 and black pawn at g6. White knight at b5, black pawn at e5 and black pawn at h5. White pawn at b4, white pawn at c4, white pawn at d4 and white bishop at f4. White pawn at h3. White pawn at a2, white pawn at e2, white pawn at f2, white pawn at g2 and white rook at h2. White rook at c1, white queen at d1, white king at e1, white bishop at f1 and white knight at g1. Both players have exhausted their castles. Half move number is 3. Full move number is 12. Black to move.