1H OPENER'S REBID AFTER A 7.5-10 CONSTRUCTIVE 1NT RESPONSE OVER THE OPPONENTS' 1S OVERCALL

pass after doubleNatural, nothing to say.
redoubleStrong and unbalanced, shows interest in doubling the opponents for penalties and likely to hold values in any suit that partner has denied with their 1NT response.
New suitNatural, shows five of first-bid major and four of second suit.
Rebid6-card suit, denies en route second suit unless at least 7-4 shape.
2SNatural with reversing strength (even though the opposition have overcalled in the suit), shows five of first-bid major and four of second suit.
2NTInvitational to 3NT. Game-forcing would have been more consistent with the rest of the system, mind you.
Jump rebidGood 6-card suit, at least reversing strength. Any continuation over this by responder in an uncontested auction is game-forcing.
3 of a minorgame-forcing, 5+ hearts and 4+ of second suit, or 5-5 if a game-forcing 2NT rebid was available
3SAuto-splinter, unilaterally agreeing opener's hearts and showing a singleton spade.
Jump shift above reverseAuto-splinter, showing a singleton/void and a self-supporting trump suit. Game-forcing.
3NTto play
Game-level rebidto play
4NTquantitative invitation to 6NT
5-level rebidquantitative invitation to 6 of suit
Jump shift to Blackwood LevelExclusion Blackwood
5NTquantitative invitation to 7NT
Jump shift to Grand-Hunting LevelComplete two-suiter. If the partnership had previously bid more than one suit and so there's ambiguity about which suits are being promised, then the other one is the first-bid suit of the player who just jumped.
Any slamNo systemic agreement; the natural interpretation
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Copyright 2015 Finn Clark.