1rb2k2/p2pp2p/1p6/1n3pQ1/1NP3nP/N5PR/P1K1PPB1/q7 b - - 0 20
FEN state: 1rb2k2/p2pp2p/1p6/1n3pQ1/1NP3nP/N5PR/P1K1PPB1/q7 b - - 0 20 ; Best move: a1c3
The current state of the chess board is: Black rook at b8, black bishop at c8 and black king at f8. Black pawn at a7, black pawn at d7, black pawn at e7 and black pawn at h7. Black pawn at b6. Black knight at b5, black pawn at f5 and white queen at g5. White knight at b4, white pawn at c4, black knight at g4 and white pawn at h4. White knight at a3, white pawn at g3 and white rook at h3. White pawn at a2, white king at c2, white pawn at e2, white pawn at f2 and white bishop at g2. Black queen at a1. Both players have exhausted their castles. Half move number is 0. Full move number is 20. Black to move.