Transfer 2♦
This 2♦ transfer from Ambra makes it easier for opener to judge the right contract.
- Invitational+ (10+) 5+♥
- Constructive (8–10) 6+♥
In standard bidding methods, 1♠ - 1NT may conceal a heart fit. Finding the right contract for a 3-5 heart fit is challenging. Bart-style gadgets try to fix it after a whole round of bidding.
| 1♠ - 2♦ - | |
|---|---|
| 2♥ | NF, 2–4♥ |
| 2♠ | NF, 0–2♥ |
| 2NT! | FG, 2+♥ |
| 3♣♦ | FG, 4+#, 0–1♥ |
| 3♥ | INV, 3–4♥ |
| 3♠ | FG, 6+♠, 0–1♥ |
| 3NT! | MIN SPL, 0–1♦, 4=♥ |
| 4♣! | MIN SPL, 0–1♣, 4=♥ |
| 4♦! | MIN SPL, 0–1♦, 5+♥ |
| 4♥! | MIN SPL, 0–1♣, 5+♥ |