| pass after double | Natural, nothing to say. |
| redouble | Strong 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 suit | Natural, shows five of first-bid major and four of second suit. |
| Rebid | 6-card suit, denies en route second suit unless at least 7-4 shape. |
| 2S | Natural with reversing strength (even though the opposition have overcalled in the suit), shows five of first-bid major and four of second suit. |
| 2NT | Invitational to 3NT. Game-forcing would have been more consistent with the rest of the system, mind you. |
| Jump rebid | Good 6-card suit, at least reversing strength. Any continuation over this by responder in an uncontested auction is game-forcing. |
| 3 of a minor | game-forcing, 5+ hearts and 4+ of second suit, or 5-5 if a game-forcing 2NT rebid was available |
| 3S | Auto-splinter, unilaterally agreeing opener's hearts and showing a singleton spade. |
| Jump shift above reverse | Auto-splinter, showing a singleton/void and a self-supporting trump suit. Game-forcing. |
| 3NT | to play |
| Game-level rebid | to play |
| 4NT | quantitative invitation to 6NT |
| 5-level rebid | quantitative invitation to 6 of suit |
| Jump shift to Blackwood Level | Exclusion Blackwood |
| 5NT | quantitative invitation to 7NT |
| Jump shift to Grand-Hunting Level | Complete 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 slam | No systemic agreement; the natural interpretation |