mw64ahw, on 2026-January-28, 16:12, said:
Much of the content is comparing methods and a resource I used when starting out. I'm not sure I use much of any conclusions in my current approach.
When I defined our current approach to NT developments five years ago (time flies) I decided to privilege mainstream compatibility and retained 2♠ for clubs/Range Ask, 2NT for diamonds, 4♣ for Aces and 4♦/♥ for majors. If and when I have the presumption to repeat the exercise, I don't think any will survive

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