I practice my two handed delivery on fill shots if my team has already lost or winning by a big margin, it is not illegal and i always get laughs when i do this. Sometimes i gutter it by 40 feet other times i take the 1 or 2 board and get it recover and hit the pocket. I honestly do this for fun and have never had anyone whine about the gutters or strikes, last year in a roll off after being down 150 pins in a game and half i rolled this way the last 15 frames.

I had no complaints then since I was all over the place and we were getting killed by the other team, i shot around 130 and 150 something doing this. It was done in fun and the other teams just watch and laugh with me, i am sure there are whiners that think it is wrong to do this.

Have fun and enjoy life why make a big deal over nothing really

I do not see the problem with this since he had his right hand in ball for both shots.  I think this deviation of approach is totally garbage.  I guess the rule can be against someone switching from cranker to tweener midgame.  What if I change my amount of steps in my approach, is that a deviation?  I think is just stupid to have someone forfeit a game that they had dominated.  I am the anchor bowler in most of my leagues and you dont know how many times that were are up by a lot that i put my left hand in my ball, bowl it w/ both my left and right hand to cover the whole lane to strike, just for fun (im a lefty).  No one ever complains.

Also, sandbagging is just the nature of the beast in handicap leagues.  If you don't enjoy it then join a scratch league and try to compete.  Theres two thoughts on this, its kind of damned if you do and damned if you dont.  Ill give you a recent scenario:   In a 3 person handicap league a few wks ago, my team bowled a high scratch score, cant remember exactly, but it was a little over an 800.  With handicap it turned out to be a 878.  The other team we bowled had a very bad game and threw a 500 or so scratch and a <578 game.  So we beat the other team by over 300 pins.  After the game they were "complaining" that we poured it on them after we had clearly won and clearly won wood (was the 3rd game of the series).  I believe I threw a 278 that game, if I threw all balls in the gutter or at least missed the headpin on my tenth frame and missed marking, they would have complained that i was sandbagging.  Its really a damned if you do and a damned if you dont.  

I have now decided to play the way I WANT to play and to not care what anyone else thinks.  In the handicap league, if my avg is getting over a 210 and it looks like we are clearly going to dominate, i change my line and try to throw my ball differently (ie if i start on 3rd arrow from the right and swing it to the 6board on the left all game, ill now stand between the 1st and 2nd arrow on the right and swing it to the 12-15 board.  It usually takes me a while to adjust, lowering my score, but it also makes me a better bowler because it helps my accuracy and overall ability to adjust if an adjustment is really needed.  

I hate when people try to use the rules against someone who is clearly just a better bowler.  Why try to edge out a win and disqualify a whole team because of 1 bowler holds the ball with 2 hands.  Its cowardly and poor sportsmanship.  If your not good enough to win you should spend your time bowling more games rather than researching the rule book and bothering your league president.   This is just my opinion.

I had a problem last season like this.

I called USBC about this rule is unclear.
rule 118b.
any change in delivery is a violation and
cause a forfeit.
in new rule book page 69 118b/2 I had a little
to do with that because the old rule was unclear.
I challenged the rule I had a bowler on my team
threw at a split between his legs with right hand
I said so USBC sais  not normal delivery that would be
sandbagging average down like he had a chance to
pick up a 4-6 leave.

the rule said bowl with right hand only thats
what he did and also he can pick a spare doing
it not all the time.

USBC said give a warning 1st time then forfeit
is does it again. so we cleared that up
no clowning around but
I see bowlers get mad then throw the ball pass
the arrows at a split or ?
USBC said as long as do it the same then its ok.

hopes this helps.

pros are different there was a 2 handed bowler
on TV 3 years ago and used 1 hand a spares.

have fun and good bowling

RB

I think someone is blowing this way out of proportion. First of all, there are many ways to change your normal delivery that are, and should be legal. For example, a few years ago I was bowling in a trio league. One night, for whatever reason, the lanes were exceedingly oily (later found out the machine broke and dumped about 5x the amount of oil they wanted on the lanes), my teammate who normally uses a 4 step approach, began using a 1 step approach to reduce his ball speed. Obviously a large change from his "normal" delivery. Should we have forfeited the game because of that? What about someone going from 4 step to a 6 step delivery to generate more ball speed on a drier condition?

The intent of this rule is this:
Once a bowler begins a league season with a particular hand, they must stay with that hand. Those that are fortunate enough to be able to bowl with both hands get upset, but from a USBC standpoint, it would be like bringing in a totally new bowler to shoot 1 frame or part of one frame. You wouldn't allow that, so why allow someone to switch hands.
Also, it is designed to stop super-obvious sandbagging, the person throwing every ball for the last game between their legs, etc. But most true sandbaggers aren't that obvious anyway.
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Jorge300

 "Some time, when the crew is up against it, and the breaks are beating the boys, tell 'em to get out there and give it all they've got. And win just one for the Zipper. I don't know where I'll be then Doc, he said. But I won't smell too good, that's for sure."