DONT
Defense to a 1NT opening.
8+ points (consider, seat and vulnerability).
DONT is OFF when opponents 1NT is weak and they are vulnerable. Here Double is for penalty and suit bids are natural (5+).
Overcalling 1NT
| Overcall | Meaning |
|---|---|
| Double | Single-suited (6+ cards), relay to 2♣ |
| 2♣ | ♣s and a higher suit (at least 5-4 or 4-5) |
| 2♦ | ♦s and a higher suit (at least 5-4 or 4-5) |
| 2♥ | ♥s and ♠s (at least 5-4 or 4-5) |
| 2♠ | 6+♠s (weaker than a double followed by a 2 rebid) |
Partner Response to Overcall
| Response After Double | Meaning |
|---|---|
| 2♣ | Pass-or-correct relay |
| 2♦ | 6+♦s, non-forcing |
| 2♥ | 6+♥s, non-forcing |
| 2♠ | 6+♠s, non-forcing |
| Response After 2♣ overcall | Meaning |
|---|---|
| pass | To play (min 3 card support) |
| 2♦ | Denies ♣ support, pass or correct |
| 2♥ | 6+♥s, non-forcing |
| 2♠ | 6+♠s, non-forcing |
| 2NT | Artificial and forcing. Overcaller’s rebids: 3♣s (weak) 3♦s (♦s & strong) 3♥s (♥s & strong) 3♠s (♠s & strong) |
| 3♣ | Preemptive raise, non-forcing |
| Response After 2♦ overcall | Meaning |
|---|---|
| pass | To play (min 3 card support) |
| 2♥ | Denies ♦ support, pass or correct |
| 2♠ | 6+♠s, non-forcing |
| 2NT | Artificial and forcing. Overcaller’s rebids: 3♣s (weak, equal-length or shorter major) 3♦s (weak, longer major) 3♥s (strong & ♥s) 3♠s (strong & ♠s) |
| 3♣ | Preemptive raise, non-forcing |
| Response After 2♥ overcall | Meaning |
|---|---|
| pass | To play (min 3 card support) |
| 2♠ | To play, denies heart support |
| 2NT | Artificial and forcing. Overcaller’s rebids: 3♣s (weak, equal-length or shorter ♠s) 3♦s (weak, longer ♠s) 3♥s (strong, equal-length or shorter ♠s) 3♠s (strong, longer ♠s) |
| 3♣ | 6+ good ♣s, non-forcing |
| 3♦ | 6+ good ♦s, non-forcing |
| Response After 2♠ overcall (this is a weak bid) |
Meaning |
|---|---|
| pass | to play (the usual resoponse) |
| 3♣ | 6+ good ♣s, non-forcing |
| 3♦ | 6+ good ♦s, non-forcing |
| 3♥ | 6+ good ♥s, non-forcing |
| 3♠ | natural, non-forcing |
In Competition
| LHO | Partner | RHO |
|---|---|---|
| 1NT | Double | Redouble |
| Bid | Meaning |
|---|---|
| pass | let partner run to his suit as he now has another bid (2♣ relay is off) |
| Any new suit | 6+ cards, non-forcing. This includes 2♣s |
| 2NT | Still the artificial ask (even against weak 1nt, there are not enough points for this to ever be bid) |
| LHO | Partner | RHO |
|---|---|---|
| 1NT | Double | 2♣/2♦/2♥/2♠ |
| Bid | Meaning |
|---|---|
| pass | nothing to say (is not encouraging partner to run to his suit) |
| Double | Asks partner to pass with the opponents’ suit, or bid own. |
| Any new suit | 6+ cards, non-forcing. Additional length or strength to bid at the 3-level |
| 2NT | Still the artificial ask (unlikley to ever be bid) |
| LHO | Partner | RHO |
|---|---|---|
| 1NT | 2♣/2♦/2♥ | Double |
| Bid | Meaning |
|---|---|
| pass | tolerance for partner’s suit |
| Redouble | SOS, partner to bid 2nd suit |
| Any new suit | 6+ cards, non-forcing (except if partner has bid 2♥, then 2♠ is suit preference) (Additional length or strength to bid at the 3-level) |
| 2NT | Still the artificial ask (unlikley to ever be bid) |
| LHO | Partner | RHO |
|---|---|---|
| 1NT | 2♣/2♦/2♥ | suit bid |
| Bid | Meaning |
|---|---|
| pass | nothing to say |
| Double | Takeout, partner to bid 2nd suit |
| Any new suit | 6+ cards, non-forcing (except if partner has bid 2♦ and RHO 2♥, and you hold 3+♥s, then it can probably be inferred that partner’s 2nd suit is ♠s and so 2♠ is suit preference) (Additional length or strength to bid at the 3-level) |
| 2NT | Still the artificial ask (unlikley to ever be bid) |