© Chiel Verwoest JACOBY TRANSFERS after 1 NT   OPENING RESPONSE REBID 2nd RESPONSE 2nd REBID 1 2 3 4 5             1 NT 2 ¨   tranfer >=0 2 © relay pass weak, 5+© < 8 a: 4-3-3-3   5+©   2 ª 5-© +4-ª and weak < 8 b: 4-4-3-2   2 NT 5-©, limit 8 - 9 c: 5-3-3-2 3 § 5-© and 4-Kl, forcing >=12 d: 5-4-2-2 3 ¨ 5-© and 4-¨, forcing >=12   3 © 6+©, limit 8 - 9 3 ª splinter >=12 3 NT play 3 NT or 4 © ? >=10 pass choice   4 © choice 4 § splinter * >=12   4 ¨ splinter >=12 4 © to play, 6+© 10-22   1 NT 2 ©   tranfer >=0 2 ª relay pass weak, 5+ª < 8   a: 4-3-3-3   5+ª   2 NT 5-ª limit 8 - 9 b: 4-4-3-2   3 § 5-ª and 4-Kl, forcing >=12 c: 5-3-3-2 3 ¨ 5-ª and 4-¨, forcing >=12 d: 5-4-2-2 3 © 5-ª and 4-©, forcing >=12   3 ª 6+ª, limit 8 - 9 3 NT play 3 NT or 4 ª ? >=10 pass choice   4 ª choice 4 § splinter * >=12   4 ¨ splinter >=12 4 © splinter >=12 4 ª to play, 6+ª 10-22   1 NT 2 ª transfer >=0 3 § relay pass weak, 6+Kl < 8       6+Kl     3 ¨ controls ? >=12 cheapest control   3 ª 3 NT or more? ~12 choice   1 NT 2 NT transfer >=0 3 ¨ relay pass weak, 6+¨ < 8         6+¨     3 © controls ? >=12 cheapest control   3 ª 3 NT or more? ~12 choice   1 NT 2 « any transfer 2 DN** transfer refused, 4-© support, 17p DN=doubleton 3 « the cheapest suit <= 9 pass a: 4-3-3-3     3 NT*** please call the established suit on 4-level, or pass if you prefer >=10 choice b: 4-4-3-2       c: 5-3-3-2   d: 5-4-2-2 2 NT** transfer refused, 4-© support, 17 p. 4-3-3-3-distribution 3 « the cheapest suit <= 9 pass     3 NT*** please call the established suit on 4-level, or pass if you prefer >=10 choice           1 NT 3 § 5Kl, 4 ¨ >=10 3 NT 4/5LK pass           singelton HK 3 « fit in « 3/4 « the singleton suit >=12   1 NT 3 ¨ 5¨, 4Kl >=10 3 NT 4/5LK pass             singleton HK 3 « fit in « 3/4 « the singleton suit >=12   1 NT 3 © 6+© >=12 3 NT*** stop bid pass         3/4 « controls ? 3/4 «   1 NT 3 ª 6+ª >=12 3 NT*** stop bid pass         4 « controls ? 3/4 «   * When the trump suit has been established by a tranfer bid, Gerber is not applied any more. A splinter asks for controls. ** The 1 NT opener with 17 HCP's and 4+ in the established trump suit must refuse the tranfer always, and call in his weakest doubleton. In case of "a:" he calls 2 or 3 NT *** Every different bid is a control bid which starts exchanging controls and stops when the game has been reached, 4 NT is called or 4 NT is surpassed.   RETURN to 1NT