Bocchi-Duboin Club

Norberto Bocchi

Norberto Bocchi

Giorgio Duboin

Giorgio Duboin

Bocchi-Duboin  Club  -  system summary

Bocchi-Duboin club 2001

  • Variable balanced

  • Preemptive balanced

  • Inverted doubles

  • Canape' overcalls

  • Multi's strong/weak

Bocchi-Duboin club 2003

  • Variable balanced

  • Inverted doubles

  • Canape' overcalls

 Bocchi-Duboin club 2006

  • Variable balanced

2001

1=

  • non-Vuln: 13-16HcP, balanced 
  •        Vuln: 12-14HcP, balanced 
  • 11+HcP, 4+, unbalanced
  • 11+HcP, 4-4-1-4
  • Any Game Force 

1=

  • 11-23HcP, (4)5+
  • 11+HcP, 3-suiter w/
  • 17-19HcP, balanced

1=11-23HcP, 5+

1=11-23HcP, 5+

1NT=Semi-balanced

  • 1-2 seat, non-Vuln: 9-12HcP, balanced 
  •                       Vuln: 15-17HcP, balanced
  •    3 seat: 15-17HcP
  •    4 seat: 12-14HcP 

2=4-10HcP, 4+  +  4+, balanced or unbalanced

2=

  • 5-10HcP, 6+ or 6+
  • 20-22HcP, balanced

2=5-10HcP, 5+  +  4+minor

2=5-10HcP, 5+  +  4+minor

2NT=Bad preempt in a minor. 6+/ 6+

3=6+, Good preempt

3=6+, Good preempt

3=7+, Preempt, undisciplined

3=7+, Preempt, undisciplined

3NT=7+card minor, good

4=7+, Preempt, undisciplined

4=7+, Preempt, undisciplined

4=7+, Preempt, undisciplined

4=7+, Preempt, undisciplined

 2003 / 2006

1=No 5M332

  • 3. seat: 12-14HcP, balanced 
  • 4. seat: 15-17HcP, balanced 
  • 11+HcP, 4+, unbalanced 

1=

  • 10-22HcP, unbalanced
  • 11+HcP, 3-suiter w/

1=11-23HcP, 5+

1=11-23HcP, 5+

1NT=Semi-balanced

  • 3. seat: 15-17HcP, balanced 
  • 4. seat: 12-14HcP, balanced 

2=18-19HcP, Semi-balanced  

2=

  • 23+HcP, balanced
  • Any game force

2=5-10HcP,(5)6+

2=5-10HcP,(5)6+

2NT=20-22HcP,Semi-balanced 

3=6+, Preempt, undisciplined

3=6+, Preempt, undisciplined

3=7+, Preempt, undisciplined

3=7+, Preempt, undisciplined

3NT=7+card minor, good

4=7+, Preempt, undisciplined

4=7+, Preempt, undisciplined

4=7+, Preempt, undisciplined

4=7+, Preempt, undisciplined

 

2001

2003

Canape' overcall over 1§

 

2001

2003

Canape' overcall over 1¨

 

2001

2003

Inverted doubles after 1§¨

 

2001

2003

Inverted doubles after 1İŞ/1NT