r1b1kr2/p1bp2pP/2n5/1pP1pq2/5Pn1/2NPB2P/P1P1K1N1/RQ3B1R b - - 0 20
FEN state: r1b1kr2/p1bp2pP/2n5/1pP1pq2/5Pn1/2NPB2P/P1P1K1N1/RQ3B1R b - - 0 20 ; Best move: g4e3
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8 and black rook at f8. Black pawn at a7, black bishop at c7, black pawn at d7, black pawn at g7 and white pawn at h7. Black knight at c6. Black pawn at b5, white pawn at c5, black pawn at e5 and black queen at f5. White pawn at f4 and black knight at g4. White knight at c3, white pawn at d3, white bishop at e3 and white pawn at h3. White pawn at a2, white pawn at c2, white king at e2 and white knight at g2. White rook at a1, white queen at b1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 20. Black to move.