5
2.4yr
2

Black to play and mate in 4 (Answer in comments)

Ragdoll X - 2.4yr

::: spoiler Answer The sequence that happened in my game was 1... Qxc2+ 2. Kb4 Rb8+ 3. Ka5 Qc5+ 4. Ka4 Bc6#

Though there are several other variations. :::

2
OddFed @feddit.de - 2.3yr

This is the worst board theme I've ever seen

1