We need a good structure over 1M - 2NT
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Gazzilli write-up
We play an light initial action 2/1 GF system, with 1NT forcing and weak notrumps in most positions. We open most UNBAL 10HCP hands, and most 11HCP BAL.
| Bid | Meaning |
| 1m | 10-20HCP, 4+cards, or 14-19HCP BAL, better minor |
| 1M | 10-20HCP, 5+cards |
| 1NT | 10-13HCP BAL or SEMIBAL, 1st and 2nd NV |
| 1NT | 14-16HCP BAL or SEMIBAL, 1st/2nd RED, 3rd/4th any |
| 2♣ | Majors weak 5+/4+ OR SemiGF 1 minor, or 22-23 BAL |
| 2♦ | Game forcing |
| 2M | Pressure weak 2 – depending on VUL and POS |
| 2NT | 20-21 BAL |
| Bid | Meaning | Subsequent |
| 3♣ | MIN, or accept with 0-2CTRL | 3♦ RE-INV, 3M, 4M to play, else=CUE |
| 3♦ | GF, shortage | 3♥ shortage ask, else = CUE |
| 3M | (SEMI)BAL, 4+CTRL | |
| 3NT | (SEMI)BAL, 3 CTRL | |
| 4M | GOOD 6+ CARDS, little else | |
Shows 15-17 HCP, bal
| Bid | Meaning | Subsequent |
| 2♣ | Checkback Stayman | 2M 3 cards |
| 2♦ | Stayman, GF | 2M 3 cards |
| 2M | 5+ cards, NF | |
| 2NT | Transfer to ♣ | |
Used in 1st, 2nd and 3rd not vul positions
| Bid | Meaning | Subsequent |
| 2♣ | Stayman | 2M 4 card |
| 2♦ | GF, Stayman | |
| 2M | To play | |
| 2NT | Bal, INV | |
Used in 3rd vul and 4th positions
| Bid | Meaning | Subsequent |
| 2♣ | Stayman | 2M 4/5 cards |
| 2♦ | Transfer to ♥ | |
| 2♥ | Transfer to ♠ | |
| 2♠ | Transfer to ♣ | |
| 2NT | Transfer to ♦ | |
| Bid | Meaning | Subsequent |
| 3♣ | Stayman | 3♦ 4♥/♠, 3M 5 cards, 3NT no 4-card major |
| 3♦ | Transfer to ♥ | |
| 3♥ | Transfer to ♠ | |
| 3♠ | | |
== 1M - (DBL) ==
Transfers from 1NT to one suit below partener’s. 2M (partener’s suit) - competitive, 3 card support Suit below partener’s - 3 card support
| Bid | Meaning | Subsequent |
| 1NT | Tranfser to ♣ | |
| 2♣ | Transfer to ♦ | |
| 2♦ | 3 hearts 7-10 HCP | |
| 2♥ | 3 hearts 0-7 HCP | |
| 2♠ | 3 hearts 11+ HCP | |
| 2NT | 4 hearts, inv+ | |
| 3♣ | Fit-jump | |
| 3♦ | Fit-jump | |
| 3♥ | Preempt | |
| 3♠ | Splinter | |
| 4♣ | Fit-jump | |
| 4♦ | Fit-jump | |
| 4♥ | Preempt | |
| 5m | To play | |
== 1M - (1NT) ==
| Bid | Meaning | Subsequent |
| DBL | Penalty | |
| 2♣ | 5 cards in the unbid major, 3 cards or doubleton honour in parterer’s suit | |
| 2♦ | Sound raise to two-major | |
| 2M (partener’s suit) | 3 hearts 0-7 HCP | |
| 2M (new major) | natural, NF, no fit | |
== 1M - (simple two-level overcall) ==
2M (partener’s suit) - 3-card support
2M (new major) - Natural, forcing
2NT - 4-card support, inv+
Cue-bid - 3-card support, inv+
3M (partener’s suit) - Preempt
3M (new major) - Fit-jump
Jump cue-bid - Splinter
4M (partener’s suit) - Preempt
4M (new major) - To play
4 other suit - Fit jump
== 1M - (2♣) ==
| Bid | Meaning | Subsequent |
| 2♦ | Natural, forcing | |
| 3♦ | Fit-jump | |
== 1M - (2♦) ==
| Bid | Meaning | Subsequent |
| 3♣ | FNJ | |
| 4♣ | Fit-jump | |
== 1♠ - (2♥) ==
| Bid | Meaning | Subsequent |
| 3m | FNJ | |
| 4m | Fit-jump | |
| Bid | Meaning | Subsequent |
| 2NT |
| 3m | FNJ | |
| 4m | Fit-jump | |
| Bid | Meaning | Subsequent |
| 3♣ | GF, no fit, good 5-card suit in the unbid major | |
| 3♦ | 3-card support, inv+ | |
| 3M (partener’s suit) | competitive, 0-8HCP | |
| 3M (new major) | natural, constructive, NF | |
| 4m | splinter-jump | |
All preempts are standard in 2nd position after initial pass.
The lightest preempts are made in ‘green’ position after two initial passes.
min 5 cards
| Bid | Meaning | Subsequent |
| 2NT | asking | 3♣ 5 cards, bad hand; 3♦ 5 cards good hand; 3♥ 6 cards bad hand; 3♠ 6 cards good hand |
| 3M | preempt | |
| Other | Forcing | |