OpenChess

3rr1k1/5pp1/p1q4p/1pP5/1P6/P3P1PP/1Q2KP2/3R3R b - - 0 29

29... -- ({+2.83:} 29... Ra8 30. Qb3 )

In a real game black moved now strong 29. ..Re3+!! After this move the game is forced draw! But Stockfish 9 (android version) hase a problem with this move. I do not know why?
I hope, the stockfish-programners can help in the future.

Best,
Eduard

Btw, here is a analysis on my android device:

Stockfish 9 (T=28) : 29... Ra8 30. Qb3 a5 31. Rhg1 Re6 32. Qd5
Kf8 33. Qxc6 Rxc6 34. Rd2 axb4 35. axb4 Ra4 36. Rb1 Ke7 37. g4 Rf6 38. Rbb2 Rfa6
39. Kf3 g6 40. Rd4 Ra2 41. Rxa2 Rxa2 42. Kg3 Ke8 43. f4 Rc2 44. Kf3 Ke7
(+2.67)