1rb2b1r/1p1qp1k1/p1np1p2/3p2Np/Q1P3nP/5P2/PP2B1P1/RNBKR3 b - - 0 20
FEN state: 1rb2b1r/1p1qp1k1/p1np1p2/3p2Np/Q1P3nP/5P2/PP2B1P1/RNBKR3 b - - 0 20 ; Best move: g4f2
The current state of the chess board is: Black rook at b8, black bishop at c8, black bishop at f8 and black rook at h8. Black pawn at b7, black queen at d7, black pawn at e7 and black king at g7. Black pawn at a6, black knight at c6, black pawn at d6 and black pawn at f6. Black pawn at d5, white knight at g5 and black pawn at h5. White queen at a4, white pawn at c4, black knight at g4 and white pawn at h4. White pawn at f3. White pawn at a2, white pawn at b2, white bishop at e2 and white pawn at g2. White rook at a1, white knight at b1, white bishop at c1, white king at d1 and white rook at e1. Both players have exhausted their castles. Half move number is 0. Full move number is 20. Black to move.