DEFENSIVE AND COMPETITIVE BIDDING
OVERCALLS (Style, Responses, ½ Level, Reopening)
Style: natural, on 1 level can be 4 cards
Responses: cue=good support with defence values, cue on 3-level
good 4+ support, jump fits
Reopening: natural
1NT OVERCALL (2nd /4th Live; Responses, Reopening)
nd
2 position: 15-17
Responses: 1 NT system on
4th position: 11-14 HP
Responses: system on
JUMP OVERCALLS (Style, Responses, Unusual NT)
Style: weak
Responses:
Unusual notrump: 2 NT: lowest remaining suits (5/5+)
Reopening:
DIRECT and JUMP CUE BIDS (Style, Resp., Reopening)
Style: Michael's
Responses: best fit
Reopening:
VS. NT (vs. Strong / Weak; Reopening; PH)
Strong : Multi Landy 2nd hand
Weak : Multi Landy : idem
Reopening : Landy - dbl take-out
Passed Hand: same as above
VS. PREEMPTS (Doubles, Cue-bids, Jumps, NT bids)
Standard
LEADS AND SIGNALS
Suit
NT
Subseq
Other:
WBF Convention Card
OPENING LEADS AND SIGNALS
Lead
In Partners’ suit
3rd/5th
count
4th
ATT: small promises
LEADS
Lead
Ace
King
Queen
Jack
10
9
vs. Suit
AKx(, Ax(+)
vs. NT
AKx(+), AKQJ
AKJ10(+), KQ+J or 109
KQJ(+),KQ(+)
(A/K)J109x, (A/K)J10xxx
A109+,K109+,109xx
SIGNALS IN ORDER OF PRIORITY
Partner’s Lead Declarer’s Lead
Discarding
Lo=enc
count
count
count
count
SPECIAL BIDS THAT MAY REQUIRE DEFENCE
Openings:
2/ = weak
l
Defense: Multi Landy against 1 NT
Michael's
DOUBLES
SPECIAL FORCING PASS SEQUENCES
TAKEOUT DOUBLES (Style, Responses, Reopening)
Style: standard
extravalues after(range of) strength has been shown.
Support dbl
Reopening: hand with extravalues
SPECIAL, ARTIFICIAL AND COMPETITIVE DOUBLES
VS. ARTIFICIAL STRONG OPENINGS
GENERAL APPROACH AND STYLE:
Natural
KQxx, QJ10, QJ9xx
QJx(+), Qx, QJ10
J10x, Jx
109xx, 10x
98xx, 9x
Suit:1ST
2ND
3RD
NT: 1ST
Low=enc
2ND
count
3RD
Count H-L even
Category:
NBO (Country): Belgium
Event: TEAMS I
Players: De Schrijver Herman– Vandenbussche Carlo – Depret U
10010
13529
24848
SYSTEM SUMMARY
Majors 5 cards long minor
.
OVER OPPONENTS’ TAKE OUT DOUBLE
New suit=F1; RDBL=forcing (8 HP+).
Version 8/02/2016
IMPORTANT NOTES THAT DOESN’T FIT ELSEWHERE
Lebensohl after interference on 1 NT.
Min.
Neg.
Double
1♣
2
4♠
CBS
1♦
4
4♠
CBS.
1/♠
5
4
Opening
Artificial
Description
Response
2NT : forcing with fit 
3♣ 7-9 fit 4 c fit ; 3♦ 10-11 3+fit
Subsequent Auction
other suit 3 level sgton/void
bid 4 level 5/5
3/ weak 4-c support
4♦
1NT
15-17HP
balanced
5M poss.
2♣: Stayman (can be weak, does not promise 4-card M)
2♦/♥:transfer, 2♠: transfer ♣ ; 2NT transfer 
After 2/ 2NT fit 3-c with honours,
jump with 4-c fit
Puppet
Smolen
2♣
0
2♦
0
GF
2♥: relay
2 5- cards with 2 or 1 ½ topH; 3// id 5/6 cards
2♥/♠
5
Weak (5)6cards
2 NT = asking for side Honour
3 = asking for sgton
20-21
Puppet – TRF - 3♠ = 5c♠+4c ♥
preëmpting
New suit F
2NT
3X
(6)7
3NT
X
4♣/♦/♥/♠
X
4
8/9 tricks
2NT 22-23
or
2♦ : relay ;
2/ 5- cards with 2 or 1 ½ topH; 3/ id 6 cards
Gambling, 7+m
(7)8
Preëmpting
HIGH LEVEL BIDDING
Roman key card asking 3041
Mixed controls

Passed Hand Bidding