I used the default spread in the calc since i don't have any experience using chinchou/munch etc. , Also it's berry juice lax , I accidently spelt it out , Also a high roll on that lax (27+24(or higher) vs 31 + 20) makes a 2hko
Edit:84 SpA Life Orb Murkrow Dark Pulse vs. 232 HP / 0 SpD Eviolite...