Highest Average Centipawn Loss EVER

Here's mine:

[FEN "2B5/p5kp/6p1/8/2q1PQ2/8/3r1bPP/5R1K w - - 4 25"]
[Variant "From Position"]

25. Qxd2 Qe2 26. Qa2 Qc4 27. Qc2 Qd3 28. Qc5 Qxf1# { 0-1 Black wins by checkmate. } *

Check it out: 2000 centipawn vs. 1754 centipawn

mine: [Variant "From Position"]
[FEN "4k3/8/8/2q5/1Q6/5P2/P1PPPPP1/4K3 w - - 0 1"]

1. Qc4 Qb4 2. Qb5+ Ke7 3. Qb6 Qb5 4. Qc6 Qb6 5. Qc5+ Kd7 6. Qc6+ Kd8 7. Qc7+ Ke8 8. Qc6+ Kf7 9. Qc5 Qb2 10. Qc3 Qb1#

This isn't a very interesting problem, because it's trivial to find an absolute maximum:
[Variant "From Position"]
[FEN "k7/p1Q5/8/8/8/8/5q1P/7K w - - 0 1"]

1. Qd7 Qe2 2. Qc7 Qf2

Unless you mean from an actual game. Then I would guess the max from any of my games is 100 or so.