Frisian puzzle 65 has another way of winning: 2...26-31 3.41x21 16x7 4.12x1 33-39 5.40x38 3-8

Also winning is 4.39-33, 5.37-31, 6.38-32 7.40-34

After 2.37-31 4.33-29 5.43-39 it is also possible to play 6.39-33 and 7.41-37 iso 6.41-37 and 8.39-33 etc.

7.38-33 8.43x32 is also winning

+1.8 is 100% winning though, even if it's hard for humans to find the right moves. I don't think 1. 33-29 should be marked incorrect.

The combination you found is beautiful indeed. But I think this line in the puzzle is better because: After the puzzel line of 34-29 (24-30 35x13 18x9), on depth 34 the evaluation is around the +3.…

1.25-20 2. 33-29 is also good

33-29 is also good 24*33 *33 *24 34-29 42-38 32-27 and so on and it's more beautiful

after 27-21 and 33-39, the move sequence 30-34, 48-43 and 42-38 also lead to a winning position.

Additionally, 25-20, 33-28, 44-40 wins a piece