Hello Bruce, Welcome back to crokinole. I suggest that you review the competitive rules at
If you have any questions please ask. These rules have developed out of experience in the clubs and tournaments of Ontario. They are compatible with the rules for the world championships in Tavistock.
When I read Rule 3, a "valid shot" indicates that you MUST strike an opposing man (either directly or indirectly) if there are any opponent discs on the board.
If you miss, then your disc is removed and any of your discs that you struck (in an attempt to indirectly strike) are also removed. Any of your discs that were not stuck are left as they sit. No opposing discs are removed, since you failed to hit them.
If no opposing discs are on the board (ie your first turn), then you do not need to hit the non-existent disc.
I don't think the rules changed, just refined for those tricky situations that we would need Mom to rule on (back in the old days).
We play it that any strike is a good strike, so as long your opponent is stuck, it doesn't matter how. (Yes, you can hit your disc first)
We play that only those discs involved in a missed shot are removed, not necessarily all your discs, so any of your discs that move, are removed (even if one went into the 20 slot, it is removed and does not count).
But, I hope someone with judging expertise can provide some guidance if that is right or wrong....
Hello Adam, Rules coming with a crokinole board vary from maker to maker and are often based on what I call "Old Ontario Rules". It is better to use the modern competitive rules http://www.nationalcrokinoleassociation.com/resources/NCA%20Rules%2... which make for a more interesting game. In this case your interpretation sounds correct. I don't know where you are located but perhaps you would like to participate in one of the crokinole tournaments organized by the National Crokinole Association or in the "World Championships".
Hi Adam, to clarify removing "any 20's made", the NCA rule # 3.b states that:
"lf on any turn, a valid shot is not made, then the shooting disc and all of the other discs that were struck, including any 20's made, shall be removed, considered out-of-play, and shall not score "
The important word here is "turn" not round or game.therefore only a 20 made on that shot would be removed. Hope this helps.