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    Gerber - A slam convention using the bid of 4 Clubs to ask partner to 
    disclose the Aces held.  Also see 
    Super Gerber, which requires a 
    Club jump to initiate Gerber.  The most common usage of Gerber to investigate 
    Ace "controls" is when the partnership has not found a suit fit and have bid Notrump.  
    While some players reserve Gerber to only include 1 or 2 Notrump opening bids, 
    many others allow auctions where responder first bids Notrump. 
Gerber Slam Bidding - Part 1
     
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    videos:Gerber, Day 1 - Introduction    
    Blog 
    
    Part 1  (login to Blog to see Part 2 and 3)
 Gerber, Day 2 - Details inside    Blog 
    
    Part 1  (login to Blog to see Part 2 and 3)
 
    Examples: 
      
        | 2N - 4C  |  1N - 2C; (Stayman)
 2H - 4C
 
 | 1S  - 3N; 4C
 |   The 
    responses to the Gerber 4 Club inquiry are: 
      
        | Response | Meaning |  
        | 4D | 0 or 4 Aces |  
        | 4H | 1 Ace |  
        | 4S | 2 Aces |  
        | 4N | 3 Aces |  
    
    Mini Max Gerber 
    Note: Many advanced players use "keycard" responses instead of the 
    traditional "Blackwood-like responses" (0314 or 1430).  Sometimes 
    referred to as "Mini-Max Gerber", the third step shows minimum hand, with 
    the fourth step showing a maximum hand.  If, and only if, the partnership holds all four Aces, the 
    4 Club Gerber bidder 
    may next bid 5 Clubs to make a similar inquiry about partner's King 
    holdings.  Conversely, if the 4 Club bidder discovers a partnership 
    holding of less than four Aces, the player makes a signoff bid of 5 Notrump.  Notes:
 
      
        | 1. | Voids are not considered controls and should 
        not be bid as Aces. |  
        | 2. | With a useful "working" 
        void (not in partner's long suit), Gerber responder may bid:- 5C with an even number of Aces (5th step)
 - With an odd number of Aces, if the void suit is Diamonds or Hearts, and 
        the trump suit is above the void suit, bid the void suit
 |  
        | 3. | Otherwise, bid trump at the 
        6 level (showing an unspecified void).  Partner is left to deduce 
        the void suit. |  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. 
      
        | 
          
            
              | The ACBL nominated John Gerber to the "Hall of Fame", offering the 
              following testimonial:
 
 John Gerber won fame as a player, as a strong team captain and as 
              the inventor of the ace-asking 4 bid that bears his name. A more 
              important legacy to bridge may be found in the lives he influenced 
              and continues to influence.
 
 “Chances are that I wouldn't be playing bridge today if it hadn't 
              been for Gerber,” says Sidney Lazard, considered one of the 
              all-time greats of the game.
 Bobby Wolff, another legendary bridge figure, calls Gerber “a 
              father figure.” Gerber, Wolff says, “may have had the most 
              influence on me when I first started to play.”  Gerber (1906–1981) was a strong captain of North American teams 
              and a fine player in his own right. He won four NABC titles, was 
              nine times a runner-up and won many regional events. He 
              represented North America in the Bermuda Bowl in 1961.  In recognition of these achievements, Gerber has been elected 
              to the ACBL Bridge Hall of Fame, the fourth Texan to be so honored 
              (Wolff, Oswald Jacoby and Jim Jacoby are the others)  Lazard recalls playing with Gerber early in his own career. “I 
              had about five mentors and he was certainly one of the main ones. 
              The two strengths of my game — defense and tactics — I learned 
              from Gerber. “His offensive bidding might have left something to 
              be desired, but he was a fine defensive player and fine tactical 
              player.”  Gerber was one of the first to realize that if an opponent 
              discarded a suit and there were four of that suit in dummy, the 
              opponent likely had five or more. “And that was more than 30 years 
              ago,” adds Lazard, “long before anyone else even thought about 
              it.”  Wolff recalls kibitzing Gerber. “He had a tremendous feel for 
              the game. I remember kibitzing once when the bidding went 
              1–Pass–2–Pass; Pass and he balanced with 3?. He was vulnerable and 
              if the opponents had stopped to double him, he would have gone 
              down a bunch.  “Instead, they went to 3 and went down themselves. I asked him 
              later why he had taken such a risk and his reply was: ‘Did you 
              check to see what our matchpoint score would have been for minus 
              110'?” Wolff says Gerber was “a dynamic matchpoint player. It 
              seemed his score was always 200-plus with 156 average.”  Gerber was no slouch at board-a-match play either. His team 
              (Mervin Key, Harold Rockaway and Paul Hodge) won the 1964 
              Reisinger, averaging 71% over four sessions.  His regular Texas Team — Hodge, Ben Fain and George Heath — was 
              “a very fine team in the Fifties and early Sixties,” recalls Dan 
              Morse, a fellow Texan who now represents District 16 on the ACBL 
              Board of Directors.  He also remembers Gerber, an early riser, sitting in the hotel 
              lobby at NABCs “willing to give advice. He was better at giving 
              advice than taking it.”  Morse, who has enjoyed considerable success as a non-playing 
              captain, notes that Gerber was npc of North American teams in 
              Bermuda Bowl competition in 1962, 1963 and 1965.  In New York in 1962, he split the partnerships of Bobby Nail–Mervyn 
              Key and Lew Mathe–Ron Von der Porten, putting Mathe and Nail 
              together as partners in an unusual move that worked well and 
              almost captured the title from Italy. Gerber, says Morse, 
              “believed in good card play rather than long-established 
              partnerships.”  
                
                  | June 16, 2006 - EMAIL from Mervin Key to BridgeHands:
 Worked well you 
                  say? A little research would have told you that, at the time 
                  Gerber played God by splitting Nail-Key, they had played only 
                  one session, the first, against Italy. They played that 
                  session was against Garozzo-Forquet and, when it was over, NA 
                  led by a substantial number of victory points. Believe me - 
                  I’ve still got the hand records. [clip] I don’t think 
                  that Dan meant to demean my card play by his add-on remark. In 
                  1962, I was known as being able to play the cards on a par 
                  with anyone – ask Al Roth – ask Ledeen - ask Stucker – ask 
                  Lazard – ask Weed. I wish that Nail, Rockaway, either Jacoby, 
                  Carter, Hubble, Schenken, Crawford, Rapee, Leventritt, Ogust, 
                  Stone, Sobel, Fain,Hodge, Heath and/or whomever I’m temporarily forgetting were 
                  still around to be asked.
 
 I’ll close by signing my name, but spelled correctly.
 
 Mervin Key
 
 |  The next year in St. Vincent, Italy, he again broke up a long 
              established partnership, pairing Nail with Howard Schenken and 
              benching Peter Leventritt and Jim Jacoby. This move was not 
              successful and may have cost the Americans the championship.  It followed a little known incident that occurred at the time 
              Gerber arrived at the Grand Hotel Bilia. An anonymous letter 
              written in Italian was delivered to him. He secured a translator, 
              but after the first paragraph was read to him, he asked the 
              translator to stop; to deliver the letter to Italy's captain, 
              Carl' Alberto Perroux and to explain that Gerber had listened only 
              to the first paragraph.  The writer had accused the Blue Team of cheating. Perroux, 
              after reading the letter to his team, suggested that the match be 
              played with screens running across the tables (this was 12 years 
              before present-day screens were employed) - but Gerber would have 
              none of it.  The goodwill engendered by this exchange inspired Perroux and 
              his team to present their championship trophies to Gerber and the 
              American team in what was described as the greatest act of 
              sportsmanship in bridge history.  When Gerber's daring move to pair Schenken with Nail backfired, 
              he faced a lot of flak, but the Board nevertheless appointed him 
              captain of the next Bermuda Bowl team in 1965. That was the time 
              when 2 members of his team brought cheating charges against a 
              British partnership.  Gerber spent 10 minutes in the grandstand watching the famous 
              British pair who were accused of using finger signals to tell each 
              other how many hearts were held. The 10 minutes were enough to 
              convince him and he became one of the strongest witnesses against 
              the pair when the World Bridge Federation suspended them.  A very strong captain, Gerber was a great player in his own 
              right. He represented North America in the Bermuda Bowl in Buenos 
              Aires 1961 and won the Chicago (now the Reisinger) 1964, Master 
              Mixed Teams 1964, Men's Pairs 1959, Men's Teams 1953 and placed 
              2nd in the Spingold 1954, 67; Chicago 1957, 59; Men's Pairs 1957, 
              Master Mixed Teams 1967, Mixed Pairs 1953, 68; Life Master Men's 
              Pairs 1974. (See BUENOS AIRES AFFAIR) |  |  |