Non-Natural System Discussion

2,672 topics in this forum

1. IMPrecision RHO interference

   By straube, May 21, 2014
   • 4 replies
   • 1.6k views
   • 
   • straube
   • May 23, 2014

2. 1S Defense

   By olien, September 16, 2009
   • 4 replies
   • 813 views
   • 
   • glen
   • September 16, 2009

3. Romex

   By Flame, October 28, 2008
   • 4 replies
   • 1.7k views
   • 
   • blackshoe
   • November 10, 2008

4. 3rd and 4th seath 1NT range playing matchpoints

   By cwiggins, February 22, 2011
   • 4 replies
   • 1.6k views
   • 
   • dake50
   • February 23, 2011

5. Silly 3C idea...

   By hrothgar, August 10, 2005
   • 4 replies
   • 1.2k views
   • 
   • glen
   • August 10, 2005

6. new BBO software

   By straube, May 23, 2019
   • 4 replies
   • 1.4k views
   • 
   • etha
   • May 23, 2019

7. Help with new system

   By straube, January 24, 2010
   • 4 replies
   • 973 views
   • 
   • straube
   • January 24, 2010

8. 1D (3C)

   By straube, May 15, 2016
   • 4 replies
   • 3.2k views
   • 
   • Zelandakh
   • May 16, 2016

9. Partner's Response to Opponent's take out double

   By Shugart23, January 26, 2017
   • 4 replies
   • 2.1k views
   • 
   • fromageGB
   • January 31, 2017

10. pard has hearts!

    By gwnn, May 11, 2009
    • 4 replies
    • 804 views
    • 
    • whereagles
    • May 11, 2009

11. Morphing dcb scan for quacks

    By Valardent, April 30, 2010
    • 4 replies
    • 1.5k views
    • 
    • spotlight7
    • May 1, 2010

12. 1D-1S-2H artificial spade raise

    By jmc, September 7, 2013
    • 4 replies
    • 2.3k views
    • 
    • Free
    • September 8, 2013

13. PCB Hand #6

    By straube, October 19, 2017
    • 4 replies
    • 2k views
    • 
    • nullve
    • November 1, 2017

14. Defense vs 2M as 4M, 5+C

    By Kungsgeten, January 27, 2017
    • 4 replies
    • 2.3k views
    • 
    • wank
    • January 28, 2017

15. L'Ecuyer and Marcinski's system?

    By rbforster, August 30, 2007
    • 4 replies
    • 1.6k views
    • 
    • han
    • August 30, 2007

16. meckwee jump rebids after 1H-1S

    By straube, December 12, 2010
    • 4 replies
    • 1.7k views
    • 
    • straube
    • December 15, 2010

17. Wha is the name of this defensive convention?

    By soldatoJ, April 12, 2004
    • 4 replies
    • 1.3k views
    • 
    • mishovnbg
    • April 12, 2004

18. CAB rebid question

    By chasetb, February 15, 2010
    • 4 replies
    • 974 views
    • 
    • chasetb
    • February 16, 2010

19. Life must go on

    By Codo, May 1, 2013
    • 4 replies
    • 1.9k views
    • 
    • jallerton
    • May 1, 2013

20. Magic Diamond

    By jgillispie, March 30, 2014
    • 4 replies
    • 2.4k views
    • 
    • steve2005
    • April 5, 2014

21. Precision 1D-1M-2C

    By frank0, February 4, 2013
    • 4 replies
    • 1.9k views
    • 
    • Free
    • February 5, 2013

22. More WJ05

    By TimG, December 29, 2008
    • 4 replies
    • 2.5k views
    • 
    • wclass___
    • December 30, 2008

23. Midchart defenses

    By straube, May 1, 2012
    • 4 replies
    • 1.9k views
    • 
    • Phil
    • May 1, 2012

24. safer alternatives to Lorenzo weak 2's?

    By rbforster, April 16, 2006
    • 4 replies
    • 2.2k views
    • 
    • han
    • April 17, 2006

25. 1MA - 1N (semi-forcing)

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