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Super Gerber (High Gerber) - In response to partner's Notrump bid, a double-raise (jump) in Clubs above 3 Notrump to 5C asks partner to show Aces held.  Some players find regular Gerber reduces ambiguity and allows a non-jump bid of 4C to be used naturally or cuebid to show a Club control.  While many non-jump Gerber players find the jump gets the auction unnecessarily too high, Super Gerber bidders feel comfortable making a 5 Notrump contract regardless of Aces disclosed.

 Here are some illustrative auctions:

1C - 3N;
4C           
2N - 3C;
3D - 4C;
1C - 2D;
3C - 4C;
1C - 1H;
2D - 2S;
3C - 3S;
3N - 4C;

Playing Super Gerber, slam Ace asking sequences always begin with a Club jump above 3 Notrump.  Using the above examples, Super Gerber Ace asking sequences are:

1C - 3N;
5C           
2N - 3C;
3D - 5C;
1C - 2D;
3C - 5C;
1C - 1H;
2D - 2S;
3C - 3S;
3N - 5C;

 

Note: Players using RKC or 1430 Blackwood systems must agree whether Super Gerber uses natural or key card responses, such as Key Card Gerber.

Also see books on Slam and other slam conventions: 1430, Baby Blackwood, Blackwood, Controls, Exclusion Blackwood/Voidwood, Gerber, Grand Slam Force, Jacoby 2 Notrump, Key Card Blackwood, Kickback, Last Train,  NAMYATS, Pick a Slam, Quantitative Notrump Bid, Rolling Blackwood, Serious 3 Notrump, Slam Try - Stayman, Splinters, Opener Jump Shift, Strong Jump Shift, and legacy treatments as Roman Asking Bids, Roman Blackwood, Roman Gerber.  Slam treatments also include interference of an overcall by opponents, as Negative Slam Double, DOPI, DEPO, ROPI.

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