rnq2b1r/1b1np2p/1pp1k1p1/1Q1pP1P1/3P4/NP3p1P/P2K1PB1/1RB3NR b - - 6 20
FEN state: rnq2b1r/1b1np2p/1pp1k1p1/1Q1pP1P1/3P4/NP3p1P/P2K1PB1/1RB3NR b - - 6 20 ; Best move: f3g2
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at c8, black bishop at f8 and black rook at h8. Black bishop at b7, black knight at d7, black pawn at e7 and black pawn at h7. Black pawn at b6, black pawn at c6, black king at e6 and black pawn at g6. White queen at b5, black pawn at d5, white pawn at e5 and white pawn at g5. White pawn at d4. White knight at a3, white pawn at b3, black pawn at f3 and white pawn at h3. White pawn at a2, white king at d2, white pawn at f2 and white bishop at g2. White rook at b1, white bishop at c1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 6. Full move number is 20. Black to move.