Shortest-proof-game challenge

i didnt see this, i was doing that anyways lol

what

that doesnt even make sense

besides, how would that help white

part 3

what if a promoted black pawn captured a piece on g2

white will castle

21.5

this is the best i got

where does black do a mistake

not black

then i get this:

3654

#3654 in 23.5

find 21.5

how??

0-0-0 has black max out at 23 (third one btw) so 23.5

then the no castling has white max out at 24 so 23.5

i officially give up until more hints

white castles

white never move g2

i was experimenting with castling ideas

will try no g4 tho

wait

white needs the knights to be ng1-h3, nb1-c3 (or d2?)-e4-g5, right?

white needs to castle before hxg, because hxg makes castling illegal (on g2)

but the knight can only go to h3, so how could this work

also third variation has h4 before nh3 anyways

so the only way is if the g pawn is captured by something else

but then where is the h pawn captured?

how??

h pawn is captured on e2

ok?