Scoring: IMP
The auction went undisturbed:
1♥-2NT
3♦-3♠
4♣-4NT
5♣-5♦
5♥-6♥
2NT was explained as inv+ with 4 card support
3♦ was explained as extras, no shortness
3♠ was explained as ♠shortness by N, frivolous by S
4♣ was explained as cue by N, cue, denying ♠ cue by S
the rest were standard 1430 bids, explained properly.
East lead a ♣, N took it, played a high trump, tanked for quite a while and went for the dubious line of playing a low ♥ to the T, took the ♦ return with the ace, ruffed a diamond high, finessed hearts and claimed.
East calls you, the TD, after the board and tells you they were mislead by the explanation of "shortness" and that this particular declarer might have gone down after a ♠ lead. You ask NS for a system file, and they give one to you.
-2NT is described as inv+ with 4 cards, denies a source of tricks and may only have shortness if too strong for a 10-13 or 13-16 splinter.
-3♠ is described as ♠ shortness, exactly limit raise values.

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