2rq1b1r/3bp3/p1pp1n2/P2knpBp/1Pp4P/R4PP1/4P3/1NN1KB1R b - - 5 20
FEN state: 2rq1b1r/3bp3/p1pp1n2/P2knpBp/1Pp4P/R4PP1/4P3/1NN1KB1R b - - 5 20 ; Best move: d5e6
The current state of the chess board is: Black rook at c8, black queen at d8, black bishop at f8 and black rook at h8. Black bishop at d7 and black pawn at e7. Black pawn at a6, black pawn at c6, black pawn at d6 and black knight at f6. White pawn at a5, black king at d5, black knight at e5, black pawn at f5, white bishop at g5 and black pawn at h5. White pawn at b4, black pawn at c4 and white pawn at h4. White rook at a3, white pawn at f3 and white pawn at g3. White pawn at e2. White knight at b1, white knight at c1, white king at e1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 5. Full move number is 20. Black to move.