standard 4 card major   ACOL    standard 4 card major

<>

Simon de Wijs

Bauke Muller

<>

1§=11-20HcP,3+§

    If 3:4333,18-19HcP

    Mostly 4§+4¨

1¨=11-20HcP,4+¨

    4¨+4©

1©=11-20HcP,4+©

1ª=11-20HcP,4+ª

1NT=(14)15-17HcP,bal,5©ª/6§¨ OK

2§=*5-10HcP,6+¨

     *Strong § © ª

     *22-23HcP,bal

     *26-27HcP,bal

2¨=*5-10HcP,6+©/6+ª

     *Strong 6+¨  

     *24-25HcP,bal

     *28-29HcP,bal

2©=non-VULN:5-10HcP,5© + 4+minor

        FAV.:3-8HcP,5©

        VULN:5-10HcP,5© + 5+minor

2ª=non-VULN:5-10HcP,5ª + 4+minor

        FAV.:3-8HcP,5ª

        VULN:5-10HcP,5ª + 5+minor

2NT=20-21HcP,bal,5©ª/6§¨ OK

3§=6-7§

3¨=6-7¨

3©=6-7©

3ª=6-7ª

3NT=A solid 7+card minor

4§=7+§

4¨=7+¨

4©=7+©

4ª=7+ª

<>

Opening-leads:

  • Opps/Partner: 1/3/5
  • Subsequent:Attitude
  • DBLof Splinter response:Lead highest unbid

Leads(suit):

A=AKx

K=KQx

Q=QJx

J=JTx

10=T9x,KJT9x

9=HT9,9x

Hi-x=HxSx,xxSx

Lo-x=HxS,xxxxS,xxS

Leads(NT):

A=AKx

K=KQx,AK(strong suit)

Q=QJx,rarely KQJx

J=AJT,KJT,JTx

10=HT9x,T9x(x)

9=9x,Q98(x),J98(x)

Hi-x=xSxx

Lo-x=HxxS,HxxxS

Signals to partners(Suit):

  • 1.Low=Even
  • 2.Low=Encourage

Signals to declarers(Suit):

  • 1.Low=Even
  • 2.Lavinthal

Signals to partners(NT):

  • Low=Encourage

Signals to declarers(NT):

  • 1.Low=Even
  • 2.Lavinthal

Discards:

  • 1.Odd=Enc. at 1stdiscard
  • 2.Count

<>

2004

ACOL standard

  • Reading interference handle: Disable ‘Constructive’ in ‘Settings’

<>

<>

<>