r1q2b1r/p1ppNp1n/bQ1kP3/7p/PnP1P1PP/1P1P4/4B3/RNB2KR1 b - - 0 20
FEN state: r1q2b1r/p1ppNp1n/bQ1kP3/7p/PnP1P1PP/1P1P4/4B3/RNB2KR1 b - - 0 20 ; Best move: a7b6
The current state of the chess board is: Black rook at a8, black queen at c8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at c7, black pawn at d7, white knight at e7, black pawn at f7 and black knight at h7. Black bishop at a6, white queen at b6, black king at d6 and white pawn at e6. Black pawn at h5. White pawn at a4, black knight at b4, white pawn at c4, white pawn at e4, white pawn at g4 and white pawn at h4. White pawn at b3 and white pawn at d3. White bishop at e2. White rook at a1, white knight at b1, white bishop at c1, white king at f1 and white rook at g1. Both players have exhausted their castles. Half move number is 0. Full move number is 20. Black to move.