Inverted Minor
To get an opening 1m and inverted response
(clubs(south)>=4&&diamonds(south)<=3&&hearts(south)<=3&&spades(south)<=3&&hcp(south)>=10)&& (clubs(north)>=1&&diamonds(north)<=4&&hearts(north)<=4&&spades(north)<=4&& ((hcp(north)>=12&&hcp(north)<=14)||(hcp(north)>=18&&hcp(north)<=19))) || (diamonds(south)>=4&&hearts(south)<=3&&spades(south)<=3&&clubs(south)<=4&&hcp(south)>=10)&& (diamonds(north)>=4&&clubs(north)<=3&&hearts(north)<=4&&spades(north)<=4&&((hcp(north)>=12&&hcp(north)<=14)||(hcp(north)>=18&&hcp(north)<=19)))
Major Suits – To get an opening 1 M bid
(hearts(north)>=5||spades(north)>=5)&&hcp(north)>=12&&hcp(north)<=19&&!(shape(north, any 5332)&&hcp(north)>=15&&hcp(north)<=17)
To get an opening 1C bid (NB most of the hands will provide a 1NT 12-14 opening as it is far more common than the 18-19 hand).
(clubs(north)>=1&&diamonds(north)<=3&&hearts(north)<=4&&spades(north)<=4&&((hcp(north)>=12&&hcp(north)<=14)||(hcp(north)>=18&&hcp(north)<=19)))|| (clubs(north)>=4&&diamonds(north)<clubs(north)&&hearts(north)<clubs(north)&&spades(north)<clubs(north)&&hcp(north)>=12&&!(hcp(north)>=15||hcp(north)<=17))
To get an opening 1C bid that is NOT a weak 12-14 1NT
hcp(north)>11&& ((!shape(north, any 4333 + any 4432 + any 5332)&& clubs(north)>=1&&diamonds(north)<=4&&hearts(north)<=4&&spades(north)<=4)|| (shape(north, any 4333 + any 4432 + any 5332)&&hcp(north)>17&&hcp(north)<20))
To get an opening 1C bid and a 4-4 major suit fit.
(clubs(north)>=1&&diamonds(north)<=3&&hearts(north)<=4&&spades(north)<=4&&((hcp(north)>=12&&hcp(north)<=14)||(hcp(north)>=18&&hcp(north)<=19)))|| (clubs(north)>=4&&diamonds(north)<clubs(north)&&hearts(north)<clubs(north)&&spades(north)<clubs(north)&&hcp(north)>=12&&!(hcp(north)>=15||hcp(north)<=17))&& ((spades(south)>=4&&spades(north)==4)||(hearts(south)>=4&&hearts(north)==4))&&hcp(south)>=6
To get an opening 1C bid and a 4-4 major suit fit and opener is 18-19
(clubs(north)>=1&&diamonds(north)<=3&&hearts(north)<=4&&spades(north)<=4&&(hcp(north)>=18&&hcp(north)<=19))&& ((spades(south)>=4&&spades(north)==4)||(hearts(south)>=4&&hearts(north)==4))&&hcp(south)>=6
To get an opening 1C bid and inverted 2C response.
(clubs(south)>=4&&hearts(south)<=3&&spades(south)<=3&&hcp(south)>=10)&&(clubs(north)>=1&&diamonds(north)<=3&&hearts(north)<=4&&spades(north)<=4&&((hcp(north)>=12&&hcp(north)<=14)||(hcp(north)>=18&&hcp(north)<=19)))
To get an opening 1C bid and responder hold 4+ clubs.
(hcp(north)+hcp(south)>=22)&&(clubs(south)>=4&&hearts(south)<=3&&spades(south)<=3&&diamonds(south)<=3)&&(clubs(north)>=1&&diamonds(north)<=3&&hearts(north)<=4&&spades(north)<=4&&((hcp(north)>=12&&hcp(north)<=14)||(hcp(north)>=18&&hcp(north)<=19)))
To get a natural opening 1C bid that isn’t a strong NT
(clubs(north)>=4&&hearts(north)<=3&&spades(north)<=3&&diamonds(north)<=3&&hcp(north)>=12&&hcp(north)<=19&&!(hcp(north)>=15&&hcp(north)<=17))
To get a responding hand to 1 M with 7+ points
(hearts(north)>=5||spades(north)>=5)&&hcp(north)>=12&&hcp(north)<=19&&!(shape(north, any 5332)&&hcp(north)>=15&&hcp(north)<=17)&&hcp(south)>=7
To get an opening 1M and responding hand with 10-12 HCP
(hearts(north)>=5||spades(north)>=5)&&hcp(north)>=12&&hcp(north)<=19&&!(shape(north, any 5332)&&hcp(north)>=15&&hcp(north)<=17)&&(hcp(south)>=10&&hcp(south)<=12)
To get a 1NT responding hand to 1M
((hearts(north)>=5&&hearts(south)<3&&spades(south)<4)||(spades(north)>=5&&spades(south)<3))&&hcp(north)>=12&&hcp(north)<=19&&!(shape(north, any 5332)&&hcp(north)>=15&&hcp(north)<=17)&&hcp(south)<13&&hcp(south)>4
To get a responding hand to 1M with 3+ card support and 4+ HCP
((hearts(north)>=5&&hearts(south)>=3)||(spades(north)>=5&&spades(south)>=3))&&hcp(north)>=12&&hcp(north)<=19&&!(shape(north, any 5332)&&hcp(north)>=15&&hcp(north)<=17)&&hcp(south)>4
To get a responding hand to 1M with 3+ card support and 2+ HCP with intervention
((hearts(north)>=5&&hearts(south)>=3)||(spades(north)>=5&&spades(south)>=3))&&hcp(north)>=12&&hcp(north)<=19&&!(shape(north, any 5332)&&hcp(north)>=15&&hcp(north)<=17)&&hcp(south)>=2&&hcp(east)>=13&&shape(east, any 5xxx + any 4441)
To get a 5 card Major with shape 5422
hcp(north)>=12&&hcp(north)<=19&&shape(north, 5422 + 4522 + 5242 +5224 + 2542 + 2524)
1 SA Eröffnung
To get an opening 1NT with a 5 card Major with shape 5422 or 5332
hcp(north)>=15&&hcp(north)<=17 && ( (shape(north, 5422 + 4522) && hcp(north, clubs)>4 && hcp(north, diamonds)>4)|| (shape(north, 5242) && hcp(north, clubs)>4 && hcp(north, hearts)>4)|| (shape(north, 5224) && hcp(north, hearts)>4 && hcp(north, diamonds)>4)|| (shape(north, 2542) && hcp(north, clubs)>4 && hcp(north, spades)>4)|| (shape(north, 2524) && hcp(north, spades)>4 && hcp(north, diamonds)>4)|| (shape(north, 5332 + 5233 + 5323 + 3532 + 3523 + 2533)) )
To get an opening 1NT with the balance of points
condition strongNT&&hcp(south)>6
To get an opening 1NT with the balance of points and responder no more than 4 cards in majors
condition strongNT&&(shape(south,22xx + 31xx + 13xx + 21xx + 12xx + 30xx + 03xx))&&hcp(south)>6
To get an opening 1NT with the balance of points and responder with a 5+ card minor
condition strongNT&&shape(south, 22xx +31xx + 13xx + xx5x + xxx5) &&hcp(south)>6
An opening 1NT with the balance of points and responder with any 5 card suit or 4441
condition strongNT&&shape(south, any 5xxx + any 4441) &&hcp(south)>6
An opening 1NT with a 2 suiter responding Hand
condition strongNT&&shape(south, any 54xx + any 55xx + any 64xx)&&hcp(south)>=6
Opening 1NT with a 2S, 3x or 2NT response
condition strongNT&& ( ( shape(south, any 4333 + any 4432)&& hcp(south)>15 )|| ( shape(south, xx6x + xxx6 + xx7x + xxx7)&& hcp(south)<7 )|| ( hcp(south)<9&& ((shape(south, xxx6)&&hcp(south,clubs)>4&&hascard(south,TC))|| (shape(south, xx6x)&&hcp(south,diamonds)>4&&hascard(south,TD))|| (shape(south, x6xx)&&hcp(south,hearts)>4&&hascard(south,TH))|| (shape(south, 6xxx)&&hcp(south,spades)>4&&hascard(south,TS))) ) )
Opening 1NT with the balance of points and a Robot intervention
condition strongNT&& hcp(east)>12&&shape(east, any 6xxx + any 5440 + any 55xx)&& (hcp(north)+hcp(south)>=21)
Reversreizung
Reversing shape where the responding hand has GF values
(hcp(south)>=12)&& ( (hcp(north)>=16&&hcp(north)<=21) || (hcp(north)>=11&&hcp(north)<=15) ) && ( (hearts(north)>=5&&spades(north)==4&&(clubs(south)>=5||diamonds(south)>=5) )|| (diamonds(north)>=5&&hearts(north)==4&&spades(south)>=4)|| (clubs(north)>=5&&diamonds(north)==4&&(hearts(south)>=4||spades(south)>=4))|| (clubs(north)>=5&&hearts(north)==4&&spades(south)>=4) )
reversing shape where the responding hand has a 2/1 GF response
(hcp(south)>=13)&& ( (hcp(north)>=16&&hcp(north)<=21) || (hcp(north)>=11&&hcp(north)<=15) ) && ( (hearts(north)>=5&&spades(north)==4&&(clubs(south)>=5||diamonds(south)>=5) )|| (diamonds(north)>=5&&hearts(north)==4&&clubs(south)>=5)|| (diamonds(north)>=5&&spades(north)==4&&clubs(south)>=5) )
Nonforcing free Bids
Eröffnung 1C and 1M overcall and responder have 5+ cards in a displaced suit with 6+ HCP
(clubs(north)>=1&&diamonds(north)<=3&&hearts(north)<=4&&spades(north)<=4&&((hcp(north)>=12&&hcp(north)<=14)||(hcp(north)>=18&&hcp(north)<=19))) && ( (hearts(east)>=5&&diamonds(south)>=5)|| (spades(east)>=5&&(diamonds(south)>=5||hearts(south)>=5)) ) &&hcp(east)>=12 &&hcp(south)>=6
4441 Hände
(shape(north, 4441)||shape(north, 4414)||shape(north, 4144)||shape(north, 1444))&& hcp(north)>=12&&hcp(south)>=6
2 über 1 partieforcierend
(hcp(south)>=13)&& ( (hcp(north)>=16&&hcp(north)<=21) || (hcp(north)>=11&&hcp(north)<=14) ) && ( (hearts(north)>=5&&(clubs(south)>=5||diamonds(south)>=5) )|| (spades(north)>=5&&(clubs(south)>=5||diamonds(south)>=5||hearts(south)>=5) ) )
Michaels Cue bid or Unusual 2NT
( (hearts(west)>=5&&shape(north, 5x5x+5xx5+xx55))|| (spades(west)>=5&&shape(north, x55x+x5x5+xx55))|| (clubs(west)>=4&&hearts(west)<=4&&spades(west)<=4&&shape(north, 55xx+5x5x+x55x))|| (diamonds(west)>=4&&hearts(west)<=4&&spades(west)<=4&&shape(north, 55xx+5xx5+x5x5)) )&& hcp(west)>=12&&hcp(west)<=19&&!(shape(west, any 5332 + any 4432 + any 4333)&&hcp(west)>=15&&hcp(west)<=17) &&hcp(north)>=6
1D/M opening with 1NT response
( (hearts(north)>=5&&shape(south, 3244 + 3253 + 3235 + 31xx + 21xx))|| (spades(north)>=5&&shape(south, 2344 + 2353 + 2335 + 1xxx + 2xxx))|| ((diamonds(north)>=5||shape(north, 3343))&&shape(south, 3235 + 2335 + 3325)) )&& hcp(north)>=12&&hcp(north)<=19&& !(shape(north, any 5332)&&hcp(north)>=15&&hcp(north)<=17)&& hcp(south)>=6&&hcp(south)<=11
2 Treff stark
( ( loser(south)<5&&hcp(south)>19 )|| hcp(south)>=23 )&& shape(north, any 6xxx + any 7xxx)
Hands that qualify for a 2C opening – i.e. satisfy the ‘Rule of 25’ but are less than 22 HCP
loser(south)<5&&hcp(south)>16&&hcp(south)<22&&shape(south, any 6xxx + any 7xxx + any 55xx)
2C opening, either less than 5 loser hand & 19+ HCP or any 23+ HCP with a potential overcall
((loser(south)<5&&hcp(south)>19)||hcp(south)>=23)&& ( (shape(east,xxx6)&&hcp(east,clubs)>=5)|| (shape(east,xx6x)&&hcp(east,diamonds)>=5)|| (shape(east,x6xx)&&hcp(east,hearts)>=5)|| (shape(east,6xxx)&&hcp(east,spades)>=5) )
Ekren opening with a responding 15 HCP opposite
( hearts(north)>=4&&spades(north)>=4&& hcp(north)>=5&&hcp(north)<=9 )&& hcp(south)>=15
2 SA Eröffnung
opening2NT = ( shape(north, any 5332 + any 4432 + any 4333)&& hcp(north)>=20&&hcp(north)<=22 ) condition opening2NT
Opening 2NT and responder has both minors
condition opening2NT&& ( (shape(south, xx54 + xx45 + xx55 + xx65 + xx56)&&hcp(south)>3)|| (shape(south, 2344 + 3244)&&hcp(south)>10) )
Opening 1NT or 2NT with a 2/3C, 2/3S or 2N response
( shape(north, any 5332 + any 4432 + any 4333)&& ((hcp(north)>=15&&hcp(north)<=17)||(hcp(north)>=20&&hcp(north)<=22)) )&& ( ( shape(south, any 4333 + any 4432 + any 4441)&& hcp(south)>7 )|| ( shape(south, xx6x + xxx6 + xx7x + xxx7)&& hcp(south)<8 )|| ( shape(south, xx54 + xx45 + xx55 + xx65 + xx56)&& hcp(south)>7 ) )
Against a weak-only Multi 2D
# They (West) open a weak only Multi 2D – 5-9pts, 6 card suit, 3+pts in suit, no outside 4 card major or 5 card suit. # East has a maximum of 8pts # Max EW total pts =9+8=17pts. Min EW pts =5+0=5pts. condition (shape(west, 6x4x + 6xx4 -64xx +63xx +6x3x +6xx3) and hcp(west)>=5 and hcp(west)<=9 and hcp(west, spades)>=3 and hcp(east)<=8) or (shape(west, x64x + x6x4 -46xx +36xx +x63x +x6x3) and hcp(west)>=5 and hcp(west)<=9 and hcp(west, hearts)>=3 and hcp(east)<=8)
1NT or 2NT opening with balanced hands and minor suit 2 suiters
shape(north, any 5332 + any 4432 + any 4333)&& ( hcp(north)>=20&&hcp(north)<=22&& ( (shape(south, any 4333 + any 2344)&&hcp(south)>11)|| (shape(south, 2344 + 3244 + 1354 + 3154 + 2254)&&hcp(south)>10) ) )|| ( hcp(north)>=15&&hcp(north)<=17&& ( (shape(south, any 4333 + any 2344)&&hcp(south)>16)|| (shape(south, 2344 + 3244 + 1354 + 3154 + 2254)&&hcp(south)>15) ) )
Weak 2 M opening
hcp(south)>3&&hcp(south)<=9&& ( (shape(south,x6xx)&&hcp(south, hearts)>2)||(shape(south,6xxx)&&hcp(south, spades)>2) )
Weak 2M or 2 suited opening
hcp(south)>4&&hcp(south)<=9&& ( ((shape(south,x6xx)&&hcp(south, hearts)>2)||(shape(south,6xxx)&&hcp(south, spades)>2))|| (shape(south, any 55xx)||shape(south, any 54xx)||shape(south, 44xx)) )
Weak 2 opening with a takeout double and Lebensohl opposite double
( hcp(east)>5&&hcp(east)<=9&& ( ((shape(east,xx6x)&&spades(east)<4&&hearts(east)<4)&&hcp(east,diamonds)>4&&shape(south, 4414+4504+5404+4405+4513+5413+3415+4315))|| (shape(east,26xx)&&hcp(east,hearts)>4&&shape(south, 4144+5044+4054+4045+4153+4135+5143+5134))|| (shape(east,62xx)&&hcp(east,spades)>4&&shape(south, 1444+0544+0454+0445+1453+1435+1543+1534)) )&& hcp(south)>13&& shape(north, any 5xxx) )
Weak 2 opening with a Leaping Michaels overall
( hcp(east)>5&&hcp(east)<=9&& ( ((shape(east,xx6x)&&spades(east)<4&&hearts(east)<4)&&hcp(east,diamonds)>4&&shape(south, 55xx+5xx5+x5x5+65xx+56xx+5xx6+6xx5+x5x6+x6x5))|| (shape(east,26xx)&&hcp(east,hearts)>4&&shape(south, 5x5x+5xx5+xx55+6x5x+5x6x+5xx6+6xx5+xx56+xx65))|| (shape(east,62xx)&&hcp(east,spades)>4&&shape(south, x55x+x5x5+xx55+x65x+x56x+x5x6+x6x5+xx56+xx65)) )&& hcp(south)>17 )
Weak 3 opening with a takeout double
( hcp(east)>5&&hcp(east)<=9&& ( ((shape(east,xxx7)&&spades(east)<4&&hearts(east)<4)&&hcp(east,clubs)>4&&shape(south, 4441+4540+5440+4450+4531+5431+3451+4351))|| ((shape(east,xx7x)&&spades(east)<4&&hearts(east)<4)&&hcp(east,diamonds)>4&&shape(south, 4414+4504+5404+4405+4513+5413+3415+4315))|| (shape(east,27xx)&&hcp(east,hearts)>4&&shape(south, 4144+5044+4054+4045+4153+4135+5143+5134))|| (shape(east,72xx)&&hcp(east,spades)>4&&shape(south, 1444+0544+0454+0445+1453+1435+1543+1534)) )&& hcp(south)>13 )
Weak 3 opening with a Non-Leaping Michaels overcall
( hcp(east)>5&&hcp(east)<=9&& ( ((shape(east,xxx7)&&spades(east)<4&&hearts(east)<4)&&hcp(east,clubs)>4&&shape(south, 55xx+5x5x+x55x+65xx+56xx+5x6x+6x5x+x56x+x65x))|| ((shape(east,xx7x)&&spades(east)<4&&hearts(east)<4)&&hcp(east,diamonds)>4&&shape(south, 55xx+5xx5+x5x5+65xx+56xx+5xx6+6xx5+x5x6+x6x5))|| (shape(east,27xx)&&hcp(east,hearts)>4&&shape(south, 5x5x+5xx5+xx55+6x5x+5x6x+5xx6+6xx5+xx56+xx65))|| (shape(east,72xx)&&hcp(east,spades)>4&&shape(south, x55x+x5x5+xx55+x65x+x56x+x5x6+x6x5+xx56+xx65)) )&& hcp(south)>17 )
2-level opening bids
( hcp(north)>=22 or (( hcp(north)>=6 and hcp(north)<=10) and ( (spades(north)==6 and hcp(north,spades)>=5) or (hearts(north)==6 and hcp(north,hearts)>=5) or (diamonds(north)==6 and hcp(north,diamonds)>=5 ))))
1m opening bid + simple overcall
(( hcp(north)>=11 and clubs(north)>=5 and spades(north)<=4 and hearts(north)<=4 ) or ( hcp(north)>=11 and diamonds(north)>=5 and spades(north)<=4 and hearts(north)<=4 ) or ( hcp(north)>=12 and hcp(north)<=14 and spades(north)<=4 and hearts(north)<=4 ) or ( hcp(north)>=18 and hcp(north)<=19 and spades(north)<=4 and hearts(north)<=4 ) ) and (( hcp(east)>=9 and spades(east)>=5 ) or ( hcp(east)>=9 and hearts(east)>=5 ) or ( hcp(east)>=11 and clubs(east)>=6) or ( hcp(east)>=11 and diamonds(east)>=6))