1r1k1b2/1pp5/3ppnpr/p1P2p1P/R2nP2R/1P6/3P1P2/BN2KBq1 b - - 2 20
FEN state: 1r1k1b2/1pp5/3ppnpr/p1P2p1P/R2nP2R/1P6/3P1P2/BN2KBq1 b - - 2 20 ; Best move: d4f3
The current state of the chess board is: Black rook at b8, black king at d8 and black bishop at f8. Black pawn at b7 and black pawn at c7. Black pawn at d6, black pawn at e6, black knight at f6, black pawn at g6 and black rook at h6. Black pawn at a5, white pawn at c5, black pawn at f5 and white pawn at h5. White rook at a4, black knight at d4, white pawn at e4 and white rook at h4. White pawn at b3. White pawn at d2 and white pawn at f2. White bishop at a1, white knight at b1, white king at e1, white bishop at f1 and black queen at g1. Both players have exhausted their castles. Half move number is 2. Full move number is 20. Black to move.