6n1/pbr1bpp1/1p1qk2r/1Bp1p1Pp/2PpP3/7P/PPQP1PN1/RNB1K1R1 b - - 9 20
FEN state: 6n1/pbr1bpp1/1p1qk2r/1Bp1p1Pp/2PpP3/7P/PPQP1PN1/RNB1K1R1 b - - 9 20 ; Best move: d4d3
The current state of the chess board is: Black knight at g8. Black pawn at a7, black bishop at b7, black rook at c7, black bishop at e7, black pawn at f7 and black pawn at g7. Black pawn at b6, black queen at d6, black king at e6 and black rook at h6. White bishop at b5, black pawn at c5, black pawn at e5, white pawn at g5 and black pawn at h5. White pawn at c4, black pawn at d4 and white pawn at e4. White pawn at h3. White pawn at a2, white pawn at b2, white queen at c2, white pawn at d2, white pawn at f2 and white knight at g2. White rook at a1, white knight at b1, white bishop at c1, white king at e1 and white rook at g1. Both players have exhausted their castles. Half move number is 9. Full move number is 20. Black to move.