MODIFIED JACOBY 2NT (for ADVANCED-EXPERT LEVEL)
Most tournament players use "JACOBY 2NT" in conjunction with their 5-card major system. After an opening of 1-MAJ, a jump to 2NT is conventional. It promises a GF hand and at least 4-card support. This convention should not be used by a passed hand and should not be used if there is interference by the opponents. I can't warn you enough ho
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