I guess I'll answer...
Generation I to Generation II
Bug super effective against Poison-> Bug not very effective effective against Poison
Bug normal effective against Ghost-> Bug not very effective against Ghost
Poison super effective against Bug-> Poison normal effective Ghost
Ghost no effect against Psychic-> Ghost super effective against Psychic
Ice normal effective against Fire-> Ice not very effective against Fire
Blizzard 90% accuracy-> 70% accuracy
Rock Throw 65% accuracy-> 90% accuracy
Dig 100 base power->60 base power
Double Edge 100 base power-> 120 base power
Explosion 170 base power->250 base power
Selfdestruct 130 base power-> 200 base power
Wing Attack 35 base power-> 60 base power
Karate Chop Normal type->Fighting type
Sand Attack Normal type-> Ground type
Bite Normal type-> Dark type
Gust Normal type-> Flying type
Bite Physical-> Special
Roar 0 priority-> -1
Whirlwind 0 priority->-1
Generation II to Generation III
Roar -1 priority-> -5
Whirlwind -1 priority-> -5
Vital Throw priority 0->-1
Generation III to Generation IV
Flash 70 accuracy->100 accuracy
Hypnosis 60 accuracy->70 accuracy(DP only)
Disable 55 accuracy-> 80 accuracy
Dig 60 base power-> 80 base power
Dive 60 base power->80 base power
Fly 70 base power-> 90 base power
Hi Jump Kick 85 base power-> 100 base power
Jump Kick 70 accuracy-> 85 base power
Leaf Blade 70 base power-> 90 base power
Outrage 90 base power-> 120 base power
Petal Dance 70 base power-> 90 base power
Rock Smash 20 base power-> 40 base power
Zap Cannon 100 base power-> 120 base power
Acid Physical->Special
Aeroblast Physical->Special
Air Cutter Physical->Special
AncientPower Physical->Special
Beat Up Special->Physical
Bite Special->Physical
Blaze Kick Special->Physical
Bullet Seed Special->Physical
Clamp Special->Physical
Crabhammer Special->Physical
Crunch Special->Physical
Dive Special->Physical
Doom Desire Physical->Special
Dragon Claw Special->Physical
Faint Attack Special->Physical
Fire Punch Special->Physical
Flame Wheel Special->Physical
Gust Physical->Special
Hidden Power Physical->Special
Hyper Beam Physical->Special
Hyper Voice Physical->Special
Ice Ball Special->Physical
Ice Punch Special->Physical
Icicle Spear Special->Physical
Knock Off Special->Physical
Leaf Blade Special->Physical
Mud Shot Physical->Special
Mud Sport Physical->Special
Mud-Slap Physical->Special
Needle Arm Special->Physical
Night Shade Physical->Special
Outrage Special->Physical
Pursuit Special->Physical
Razor Leaf Special->Physical
Razor Wind Physical->Special
Sacred Fire Special->Physical
Shadow Ball Physical->Special
Signal Beam Physical->Special
Silver Wind Physical->Special
Sludge Physical->Special
Sludge Bomb Physical->Special
Smog Physical->Special
Snore Physical->Special
SonicBoom Physical->Special
Spark Special->Physical
Spit Up Physical->Special
Swift Physical->Special
Thief Special->Physical
ThunderPunch Special->Physical
Tri Attack Physical->Special
Uproar Physical->Special
Vine Whip Special->Physical
Volt Tackle Special->Physical
Waterfall Special->Physical
Weather Ball Physical->Special
Surf didn't hit ally-> hits ally
Roar -5 priority-> -6 priority
Whirlwind -5 priority-> -6 priority
Bide 0 priority-> 1 priority
Giga Drain 5PP-> 10 PP
Recover 20PP->10 PP
Generation IV to Generation V
Bind 75% accuracy->85% accuracy
Tackle 95%accuracy-> 100% accuracy
Wrap 85%accuracy->90% accuracy
Disable 80%accuracy->100% accuracy
Fire Spin 70%accuracy->85% accuracy
Toxic 85% accuracy->90% accuracy
Clamp 75% accuracy->85% accuracy
Glare 75% accuracy->90% accuracy
Poison Gas 55% accuracy->80% accuracy
Crabhammer 85%accuracy->90% accuracy
Cotton Spore 85%accuracy->100% accuracy
Scary Face 90%accuracy->100% accuracy
Bone Rush 80%accuracy->90% accuracy
Future Sight 90%accuracy->100% accuracy
Whirlpool 70%accuracy->85% accuracy
Sand Tomb 70%accuracy->85% accuracy
Rock Blast 80%accuracy->90% accuracy
Doom Desire 85%accuracy->100% accuracy
Magma Storm 70%accuracy->75% accuracy
Beat Up 10 base power->Variable
Bullet Seed 10 base power->25 base power
Covet 40 base power->60 base power
Doom Desire 120base power->140 base power
Drain Punch 60 base power->75 base power
Feint 50base power->30 base power
Fire Spin 15base power->35 base power
Fury Cutter 10 base power->20 base power
Future Sight 80 base power->100 base power
Giga Drain 60 base power->75 base power
Hi Jump Kick 100base power->130 base power
Icicle Spear 10 base power->25 base power
Jump Kick 85base power->100 base power
Last Resort 130 base power->140 base power
Petal Dance 90 base power->120 base power
Sand Tomb 15 base power->35 base power
Tackle 35 base power->50 base power
Thrash 90 base power->120 base power
Uproar 50 base power->90 base power
Whirlpool 15base power->35
Curse ??? type-> Ghost type
Extremespeed +1 priority->+2 priority
Fake Out +1 priority-> +3 priority
Protect + 3 priority-> +4 priority
Drain Punch 5PP-> 10 PP