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Suit Overcalls

Suit overcalls show 7–16+ points nonvulnerable and 9-16+ points vulnerable (double and bid the long suit with a stronger hand). In general an overcall shows 5+ cards but it may show a strong 4 (AKJx) at the one level.

Jump Overcalls

Jump overcalls are preemptive, showing the same value as an opening bid at the same level:

(1♦):

  • 2♠: a hand that would open a weak two-bid in spades.

  • 3♣: a hand that would open 3♣.

Balancing

A balancing bid means much the same as a direct seat bid, but it may be made with about a king less.

Cappelletti Cue Bids vs. Two Suits

When the opponents have bid two suits, there are four ways to enter the auction:

  • double: 4-4 in the unbid suits

  • 2NT: 5-5 in the unbid suits

  • lower cue bid: 5-4 in the unbid suits, with the lower suit being stronger

  • higher cue bid: 5-4 in the unbid suits, with the higher suit being stronger

Diamonds over 1♣

The one exception to overcalls is over 1♣ where an overcall of 1♦ does little to obstruct the opponents. (1♣):

  • 1♦: a less-than-sound overcall (insufficient strength, trump length, or trump strength), weak 2 (Vul only), or a maximum overcall (will bid again if possible)

    • 2♣: mixed raise or better (generally allows competing to the 3-level but overcaller will raise to game with a maximum)

  • 2♦: sound overcall (would make the same bid over 1♠)

    • 3♣: Western Cue Bid (generally shows a LR or better; bid 3NT with a stopper)

  • 3♦: standard preemptive bid OR weak 2 strength (NV only)

vs. Opening Preempt

Versus an opening preempt, an overcall is natural.

  • Two-level: any opening hand with a five-card suit

  • Three-level: extras: 15+ total points

  • Four-level: significant extras: 17+ total points

  • Jump overcall over a Weak-Two: significant extras, but non-forcing (with a Strong-Two hand, double first then jump to game.)

  • Jump overcall to game is to play and is semi-preemptive

  • In the balancing seat, an overcall can be a king lighter

Responses

Raises are natural and generally preemptive. A new suit is non-forcing but constructive.

A cuebid of opener’s suit by an unpassed hand shows any good hand and is forcing for one round. Advancer will return to Overcaller’s suit to show a limit raise or better. A cuebid of opener’s suit by a passed hand shows good support (limit raise or better).

Examples: (1♦) — 1♠ — (Pass) — 2♦:

  • (Pass) — 2♠: minimum overcall.

  • (Pass) — other: natural, game-forcing.