Highest average centipawn loss on Lichess?

it stops evaluating after 100 moves, so there's not much point. here's my best effort for now anyway because why not

http://en.lichess.org/GZ1EKrJR (average centipawn loss 1970 for white, 1980 for black)

Oh Jeez! What looks like a joke, however, is actually a clever method of injecting "structure".

This is my best attempt so far (failed to improve on #11, with 1947 for white and 1957 for black). Will anyone surpass 2000 average centipawn loss for both sides, or even 2100?

en.lichess.org/HHityEBV/white

http://en.lichess.org/jmWCkewo (slight improvement on #13 from 1947/1957 to 1950/1960, but #11 is still better at 1970/1980)

I'd be seriously impressed if someone reaches 2000+ for both sides. This is hard! Does anyone have any further input?

i am quite sure that 2000 is literally impossible with the way the analysis is designed. there might be some improvement over my attempt, though i can't really see it :o

I think Lichess allows a maximum blunder of -20.0 (from +9.9 to -9.9). If 99 out of a game's 100 moves are blunders, then the average centipawn loss will be about 1980. If we try to make the first move a blunder/mistake/inaccuracy, we might be able to improve a few points over 1980, but I don't think 2000 will ever be reached. That would require the very first move to lose from 9.9 to -9.9. This is not possible, since both sides start at 0.0 advantage.

The following attempt is not optimal, but because I couldn't achieve a first-move blunder, the average centipawn loss will not rise over 1980.

http://en.lichess.org/8e5IN4x7/white (1964/1974)

I am fairly convinced that #11's 1970/1980 is the best possible 'solution' under Lichess's current analysis system. (Good job Lightsss!) A 'proof' follows.

White can't blunder on the first move (from experimentation). On the second move, White blunders from 0 to -10 (from 0 and not -10 because no blunder has been made yet). On every move after that, White blunders from +10 to -10. Averaging over 100 moves, we get 1970 average centipawn loss. This is the highest possible for White.

Similarly, Black also can't blunder on the first move; on every move after that, Black blunders from -10 to +10. Averaging over 100 moves, we get 1980 average centipawn loss. This is the highest possible for Black.

However useless this thread was, it surely was interesting to think about. :)