RNG in Pokémon Yellow by split

NIDORAN
 Rival 1
   -55% 4 shot Eevee
   -20 seconds of variance
   -Best fight is 2 turn death
 Route 1
   -25/256 encounter chance per tile
   -2 immunity tiles after encounter
   -3.25 average encounters
 Route 2
   -1 yolo tile

BROCK
 Bug Catcher 1
   -About 55% range on first caterpie
   -Over 90% range 2nd caterpie
   -Need to hit 7-8 Tackles
   -25/256 chance per tile before bc2
 Bug Catcher 2
   -1 string shot makes you slower
   -1/3 for harden each turn
   -Have to leer to -1
   -Metapod 2 shot range over 60%
 Bug Catcher 3
   -About 30% range(need to hit tackle if miss range)
   -25/256 chance per tile after bc3
 Minion
   -Diglett has 20% crit chance
   -Sandshrew has 6% crit chance
 Brock
   -Onix bind is 1/4 and 15% to miss