Non-Natural System Discussion

2,672 topics in this forum

1. Use of transfers after opening 1 of suit and an overcall under GCC in ACBL

   By steve2005, May 14, 2015
   • 7 replies
   • 6.9k views
   • 
   • fromageGB
   • May 31, 2015

2. relay continuations

   By straube, May 23, 2015
   • 13 replies
   • 5.4k views
   • 
   • benlessard
   • May 29, 2015

3. Kaplan Inversion + Gazzilli and relays

   By Kungsgeten, May 27, 2015
   • 0 replies
   • 2.2k views
   • 
   • Kungsgeten
   • May 27, 2015

4. Hand patter after 1D precision (2+)

   By benlessard, May 17, 2015
   • 15 replies
   • 4.9k views
   • 
   • Trick13
   • May 22, 2015

5. 1c-1d relay (montreal relay with nobs on)

   By wank, May 22, 2015
   • 2 replies
   • 2.3k views
   • 
   • Zelandakh
   • May 22, 2015

6. Big Diamond in the USBF Open

   By glen, May 10, 2015
   • 10 replies
   • 6.2k views
   • 
   • steve2005
   • May 17, 2015

7. double after 2-suited preempt

   By yunling, May 14, 2015
   • 5 replies
   • 3.4k views
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   • Vampyr
   • May 17, 2015

8. King of trumps closer to the Q of trumps or to an ace ?.

   By benlessard, May 12, 2015
   • 10 replies
   • 4.5k views
   • 
   • benlessard
   • May 14, 2015

9. 1N or 2C as a GF relay starter

   By Schultz112, April 21, 2015
   • 19 replies
   • 8.9k views
   • 
   • yunling
   • April 27, 2015

10. Unbalanced nebulous diamond 1 2

    By Kungsgeten, April 14, 2015
    • 25 replies
    • 11.9k views
    • 
    • Kungsgeten
    • April 26, 2015

11. Meta Rules for artificial interference over 1C

    By straube, April 13, 2015
    • 6 replies
    • 4.1k views
    • 
    • SteelWheel
    • April 14, 2015

12. Precision club

    By keithhus, April 13, 2015
    • 9 replies
    • 6.3k views
    • 
    • mgoetze
    • April 13, 2015

13. Precision After 1c/1d/1h what bid is double negative

    By tommylee, April 1, 2015
    • 16 replies
    • 9.3k views
    • 
    • Trick13
    • April 10, 2015

14. 1M-2N as LR+

    By straube, April 6, 2015
    • 14 replies
    • 7.3k views
    • 
    • Trick13
    • April 9, 2015

15. Welland-Auken system

    By DJNeill, March 13, 2015
    • 2 replies
    • 5.8k views
    • 
    • DJNeill
    • April 6, 2015

16. Kaplan Inversion variants over limited 1H

    By Kungsgeten, April 2, 2015
    • 3 replies
    • 3.4k views
    • 
    • awm
    • April 4, 2015

17. 1MA - 1N (semi-forcing)

    By Schultz112, March 21, 2015
    • 4 replies
    • 4.4k views
    • 
    • Shugart23
    • March 31, 2015

18. Four-tunes

    By Poky, March 21, 2015
    • 10 replies
    • 7.8k views
    • 
    • steve2005
    • March 28, 2015

19. Multi 2D as 5 or 6 card major

    By Trick13, March 28, 2015
    • 2 replies
    • 3.1k views
    • 
    • Free
    • March 28, 2015

20. Wide ranging preempts in 3rd/4th position

    By Trick13, March 28, 2015
    • 0 replies
    • 1.8k views
    • 
    • Trick13
    • March 28, 2015

21. Should there be a gap

    By Trick13, March 25, 2015
    • 9 replies
    • 6.3k views
    • 
    • Trick13
    • March 28, 2015

22. a nebulous diamond structure 1 2

    By straube, February 23, 2015
    • 37 replies
    • 16.6k views
    • 
    • etha
    • March 20, 2015

23. Strong club interference agreements after GF...

    By foobar, March 7, 2015
    • 9 replies
    • 4.9k views
    • 
    • straube
    • March 17, 2015

24. What would your two-level openings be?

    By Kungsgeten, March 4, 2015
    • 21 replies
    • 9.4k views
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    • mycroft
    • March 9, 2015

25. Yet another canapé structure

    By Kungsgeten, March 9, 2015
    • 2 replies
    • 2.6k views
    • 
    • Free
    • March 9, 2015