Transcript Bridge % Percentage % Plays - Bridge with Jack : ACBL

Declarer Play – Suit Combinations
Purpose:
- To present the message to Bridge Players that :
”You should learn and study bridge card combinations
and percentages to become a better bridge player”
Disclaimer:
- The content here is taken and interpreted from :
Watson’s “Play of the Hand”
Bridgebase.com “Learn to Play Bridge 2”
and may contain incompleteness and errors
and I welcome feedback to correct them.
Bridge Percentage % Plays
Novice/Intermediate:
(9) Cards, Missing K,Q
(8) Cards, Missing Q,J
(9) Cards, Missing K,J
(9) Cards, Missing J,10
(9) Cards, Missing J
(10) Cards, Missing K
One Loser Play
One Loser Play
One Loser Play
NO Loser Play
NO Loser Play
NO Loser Play
1
2
3
4
5
6
(9) Cards, Missing Q,J
(9) Cards, Missing A,Q
(8) Cards, Missing K,J
(8) Cards, Missing Q,10
(10) Cards, Missing K,10
(11) Cards, Missing K
NO Loser Play
One Loser Play
One Loser Play
One Loser Play
NO Loser Play
NO Loser Play
Bonus Safety Play: (9) Cards, Missing Q,J
One Loser
7
8
9
10
11
12
13
(9) Cards, Missing K,Q
One Loser Play
NORTH:
A J 10 9 x
SOUTH:
8 4 3 2
1
(9) Cards, Missing K,Q
One Loser Play
NORTH:
A J 10 9 x
W:
First Play::
• Lead small ,Finesse with Jack,
covering the ‘honor’ if played in
West hand
SOUTH:
8 4 3 2
1
(9) Cards, Missing K,Q
One Loser Play
NORTH:
A J 10 9 x
W:
SOUTH:
Second Play::
• Finesse the ’10’, covering the
‘honor’ if played in West hand
• Note: This play is most likely to
have in Bridge, finesse in North twice
8 4 3 2
1
(8) Cards, Missing Q,J
One Loser Play
NORTH:
9 2
SOUTH:
A K 10 8 x x
2
NORTH:
First Play:
9 2
•Lead ‘small’ toward 10
E:
Playing the 10 and finesse
the Q,J in East hand.
SOUTH:
A K 10 8 x x
2
NORTH:
Second Play::
9 2
E:
SOUTH:
•Lead the ‘9’ and finesse
the Q,J again East hand
Note:
playing for ‘split honors’.
A K 10 8 x x
2
(9) Cards, Missing K,J
One Loser Play
NORTH:
A Q 10 9 8 7
SOUTH:
x x x
3
(9) Cards, Missing K,J
One Loser Play
W:
J
K
Kx
Jx
KJxx
Jxx
Kxx
KJx
xx
KJ
E:
W:
Kxx
Jxx
Jx
Kx
K
J
x
KJ
xx
x
E:
K J x x (NO Play)
KJx
(NO Play)
10/12 83.3% Winning Play
3
(9) Cards, Missing K,J
One Loser Play
NORTH:
A Q 10 9 8 7
•
First Play::
Play the Ace
- To drop any singleton honor
SOUTH:
x x x
3
(9) Cards, Missing K,J
One Loser Play
NORTH:
A Q 10 9 8 7
Second Play::
• Finesse with the Queen,
covering the ‘Jack’ if played in
West hand
SOUTH:
x x x
3
(9) Cards, Missing J,10
NO Loser Play
NORTH:
A 5 4 3 2
SOUTH:
K Q 9 8
4
(9) Cards, Missing J,10
NO Loser Play
NORTH:
A 5 4 3 2
First Play::
• Win in hand with one High honor
Note:
In this hand, Play Ace first
SOUTH:
K Q 9 8
4
(9) Cards, Missing J,10
NO Loser Play
NORTH:
A 5 4 3 2
SOUTH:
K Q 9 8
Second Play::
• Lead small from North
Note: This play wins
With 4-0 in East hand
• Can’t prevent 4-0 West
hand with a winner
4
(9) Cards, Missing J
NO Loser Play
NORTH:
A 5 4 3 2
SOUTH:
K Q 10 9
5
(9) Cards, Missing J
NO Loser Play
W:
J
xxx
Jxxx
xx
Jx
Jxx
x
E:
xxx
J
Jxxx
Jx
xx
x
Jxx
100%
GUARANTEE:
( NO LOSERs)
5
(9) Cards, Missing J
NO Loser Play
NORTH:
A 5 4 3 2
SOUTH:
First Play:
• Play ‘King’ from
hand with two honors
• Note: looking for
worst case 4-0 split
K Q 10 9
5
(9) Cards, Missing J
NO Loser Play
NORTH:
A 5 4 3 2
SOUTH:
K Q 10 9
Second Play:
• Note: this play is based upon the
hand with 4-0 holding
• If East has 4 trump holding,
then Lead the ‘9’ and Play Ace
• If West has 4 trump holding, then
lead the ‘9’ and finesse the ‘Jack’
playing Ace if Jack is played
5
(10) Cards, Missing K
NO Loser Play
NORTH:
A 5 4 3 2
SOUTH:
Q J 10 9 8
6
10 Cards missing K,
No Loser
W:
K
K6
K7
K76
76
7
6
E:
76
7
80%
6
K (losing)
K6 (no play)
K76 (no play)
K7 (no play)
6
(10) Cards, Missing K
NO Loser Play
NORTH:
West:
K
K6
K7
K76
A 5 4 3 2
SOUTH:
Q J 10 9 8
Evaluate the ‘%’:
• Lead the ‘Queen’
and and finesse K
in West hand wins
With K,Kx,Kxx ;
loses to only one
case in East hand
6
(10) Cards, Missing K
NO Loser Play
NORTH:
A 5 4 3 2
Best Percentage play::
• Lead the ‘Queen’ and
and finesse K in West
SOUTH:
Q J 10 9 8
6
(9) Cards, Missing Q,J
NO Loser Play
NORTH:
A K 10
SOUTH:
7 6 5 x x x
7
(9) Cards, Missing Q,J
NO Loser Play
W:
E:
QJ
Qx
Jx
Qxx
Jxx
xx
QJx
QJ xx
Q
J
X
xx
Jx
Qx
J
(Restricted Choice)
Q
(Restricted Choice)
Q J (Losing Play)
x
(Losing)
- ( Losing)
Jxx
( NO Win Play)
Q x x ( NO Win Play)
Q J x x ( NO Win Play)
QJx
( NO Win Play)
3/8 37.5 % Win
vs
5/8 62.5% Win Play
7
(9) Cards, Missing Q,J
NO Loser Play
NORTH:
A K 10
East:
SOUTH:
First Play::
• Lead Ace from North hand
Note: Look for honor from
East hand on 1st lead
- see second play
7 6 5 x x x
7
(9) Cards, Missing Q,J
NO Loser Play
NORTH:
A K 10
SOUTH:
7 6 5 x x x
Second Play::
• From South hand,
lead small toward 10
• If you see honor from
East hand on 1st lead,
then play the 10
• If No honor from East,
Then play the King
7
(9) Cards, Missing Q,J
NO Loser Play
NORTH:
A K 10
SOUTH:
Principle of Restricted Choice::
• The previous play approach is
called the “Principle of Restricted
Choice” and is well documented
in many pages of explanation
7 6 5 x x x
7
(9) Cards, Missing A,Q
One Loser Play
NORTH:
K J 10 9 8 7
SOUTH:
x x x
IE: 6NT , cant lose two tricks
8
9 Cards missing A,Q
one Loser
W:
A
Q
Ax
Qx
AQx
AQxx
Qxx
AQ
xx
Axx
x
E:
Qxx
Axx
Qx
Ax
x
A
xx
AQ (losing)
Q (losing)
AQxx (no play)
AQx (no play)
80%
8
(9) Cards, Missing A,Q
One Loser Play
NORTH:
K J 10 9 8 7
SOUTH:
x x x
First Play::
• Finesse ‘Q’ twice
•Lead ‘small’
toward the Jack ,
and If ‘no Q’
play the Jack
8
(9) Cards, Missing A,Q
One Loser Play
NORTH:
K J 10 9 8 7
SOUTH:
x x x
Second Play::
• Finesse ‘Q’ again
•Lead ‘small’
toward the ’10’,
and If no ‘Q’,
play the ‘10’
8
(8) Cards, Missing K,J
One Loser Play
NORTH:
A 4 3 2
SOUTH:
Q 10 9 8
9
8 Cards missing K,J
one Loser
W:
E:
Kxxx
J
Jxxx
K
KJ
xxx
Kxx
Jx
Jx
Kxx
xx
KJx
xxx
KJ
Jxx
Kx
J
Kxxx
K
Jxxx
KJxxx
Win Play: 68.7% 11/16
KJxx
x
KJxxx
Kx
KJx
x (losing)
KJxx (losing)
- (losing)
Jxx (losing)
xx (losing)
Note: 3-2 split is 68%
9
(8) Cards, Missing K,J
One Loser Play
NORTH:
A 4 3 2
SOUTH:
First Play::
• Lead the Ten(10)
toward the Ace ,
and If ‘no cover’ ,
Play the Ace
Q 10 9 8
9
(8) Cards, Missing K,J
One Loser Play
NORTH:
Second Play::
A 4 3 2
•Lead ‘small’
toward the ‘Queen’ .
SOUTH:
Q 10 9 8
9
(8) Cards, Missing Q,10
One Loser Play
NORTH:
A 4 3 2
SOUTH:
KJ 9 8
10
(8) Cards, Missing Q,10
One Loser Play
W:
X
XX
XXX
10 XXX
QXXX
Q 10 XX
Q 10 X
Q 10
Q
10
-QX
10 X
QXX
10 X X
E:
Q 10 X X
Q 10 X
Q 10
Q
10
X
XX
XXX
10 X X X
QXXX
Q 10 X X X
10 X X
QXX
10 X
QX
NO Play:
W:
Q 10 X X X
E:
--
Win Play: 93.7% 15/16
10
(8) Cards, Missing Q,10
One Loser Play
NORTH:
First Play::
A 4 3 2
• Play the ‘K’
SOUTH:
Note: Start with hand
containing the ‘Jack’, and
play honor.
KJ 9 8
10
(8) Cards, Missing Q,10
One Loser Play
NORTH:
Second Play::
A 4 3 2
•Lead ‘9’ toward the Ace.
Note:
W:
SOUTH:
KJ 9 8
If ‘cover’ ‘9’, Play Ace
If no cover, don’t play Ace
and with this play , have
not seen the Q or 10 yet
10
(8) Cards, Missing Q,10
One Loser Play
NORTH:
Third Play::
A 4 3 2
•.If East hand has Q 10 x x ,
playing the King followed by
Ace and leading toward the
Jack insures only one loser.
E:
SOUTH:
KJ 9 8
10
(10) Cards, Missing K,10
NO Loser Play
NORTH:
A J 4 3 2
SOUTH:
Q 9 8 7x
11
(10) Cards, Missing K,10
No Loser Play
W:
K 10
K
K 10 x
Kx
10
X
10 x
E:
x
10 x
10
Kx
No Play
K 10 No Play
K 10 x No Play)
K
Losing Play
Win Play: 80 % 4/5
11
(10) Cards, Missing K,10
No Loser Play
NORTH:
First Play::
A J 4 3 2
•.Lead the ‘Queen’, finesse the
King in West hand
SOUTH:
Q 9 8 7x
• note: same as with 10 cards
just missing the King.
• If West plays King, play Ace
11
(10) Cards, Missing K,10
No Loser Play
Second Play::
NORTH:
A J 4 3 2
W:
SOUTH:
•.If play of King and Ace, Play
the ‘9’ toward the Jack finesse the
’10’ in West hand
note: this handles the 3-0 split
in West hand
Q 9 8 7x
11
(11) Cards, Missing K
One Loser Play
NORTH:
A J 4 3 2
SOUTH:
Q 10 9 8 7 x
12
(11) Cards, Missing K
No Loser Play
NORTH:
A J 4 3 2
First Play::
•.With an 11-card fit missing
the King, Play the ‘Ace’ .
• Same % as finesse
SOUTH:
Q 10 9 8 7 x
• Lead the Queen, and play
the Ace
12
Bridge Percentage % Plays
Summary:
9 Cards, Missing K,Q
•
Lead Small, play Jack, finesse the K,Q
8 Cards, Missing Q,J
•
- No Loser
Play the honor in hand with two honors
10 Cards, Missing K
•
- No Loser
Play the honor in hand with one honor
9 Cards, Missing J
•
- One Loser
Play Ace first
9 Cards, Missing J,10
•
- One Loser
Lead Small, finesse the Q,J twice
9 Cards, Missing K,J
•
- One Loser
- No Loser
Lead the Queen, finesse the King
Bridge Percentage % Plays
Summary:
9 Cards, Missing Q,J
•
Play the honor in hand with two honors
9 Cards, Missing A,Q
•
•
- No Loser
Lead the Queen, finesse the King
11 Cards, Missing K
•
- One Loser
Play the honor in hand with Jack first
Lead small toward the Ace, if cover, play Ace
10 Cards, Missing K,10
•
- One Loser
Lead the ’10’ toward the Ace first
8 Cards, Missing Q,10
•
- One Loser
Finesse the Queen twice
8 Cards, Missing K,J
•
- No Loser
Play the Ace always
- No Loser
Declarer Play – Suit Combinations
Percentage Plays
Safety Plays
Presented by:
Jack Whetstone
Bronze Life Master - L045803
References:
Email: [email protected]
Watson’s “Play of the Hand” – ©1934
Bridgebase.com “Learn to Play Bridge 2” .exe
File: BridgePercentagePlays.ppt
Appendix A
Probability of Suit divisions
5 Cards missing:
2 Cards missing:
1-1 52%
2-0 48%
3 Cards missing:
2-1 78%
3-0 22%
4 Cards missing:
2-2 40%
3-1 50%
4-0 10%
3-2 68%
4-1 28%
5-0 4%
6 Cards missing:
3-3
4-2
5-1
6-0
36%
48%
15%
1%
7 Cards missing:
4-3
5-2
6-1
7-0
62%
31%
7%
1%
Bonus Safety Play: (9) Cards, Missing Q,J
One Loser
13
NORTH:
First Play::
A 10 7 5
•.With ‘6S’ contract, missing the
Q,J, finesse the ‘7’ . safety play
W:
• looking for 4-0 split in West
SOUTH:
K 9 8 6 2
13
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