Advantages
XY Notrump gives very good control finding both games and slams, as the final "mission" of the sequence is established at a relatively early stage of bidding.
Playing, as very common in combination with XY no trump, the Walsh convention or even Transfer Walsh, one still has the chance of stopping in 2♦ on weak hands, often impossible using for example Checkback Stayman.
Read more about this topic: XY Notrump Convention
Famous quotes containing the word advantages:
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—Ralph Waldo Emerson (1803–1882)
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—Mary F. Eastman, U.S. suffragist. As quoted in History of Woman Suffrage, vol. 4 ch. 5, by Susan B. Anthony and Ida Husted Harper (1902)
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—Ralph Waldo Emerson (1803–1882)