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[Event "BC L13 Intermediate Jump Overcalls"]
[Site ""]
[Date ""]
[Board "1"]
[West ""]
[North ""]
[East ""]
[South ""]
[Dealer "N"]
[Vulnerable "None"]
[Deal "N:A6.KQJ32.K753.63 KQ9432.A5.QJ6.J8 JT8.764.A92.Q752 75.T98.T84.AKT94"]
[Scoring ""]
[Declarer ""]
[Contract ""]
{

By partnership agreement, East's 2\S jump overcall shows 6+ spades and opening
values 11-15 HCPs. This would typically be a 7 loser hand.

Neither South nor West have enough strength to enter the auction.}
[Result ""]
{

Only one trick will be lost in spades if declarer leads twice towards KQ. \n
Four tricks will be lost to \SA, \HK, \DA,\DK.}
[BCFlags "df"]
[DoubleDummyTricks "34763337636965869658"]
[OptimumScore "EW 140"]
[ParContract "EW 2S+1"]
[Auction "N"]
1H 2S AP
[OptimumResultTable "Declarer;Denomination\2R;Result\1R"]
N NT 3
N  S 4
N  H 7
N  D 6
N  C 3
S NT 3
S  S 3
S  H 7
S  D 6
S  C 3
E NT 6
E  S 9
E  H 6
E  D 5
E  C 8
W NT 6
W  S 9
W  H 6
W  D 5
W  C 8

[Event "BC L13 Intermediate Jump Overcalls"]
[Site ""]
[Date ""]
[Board "2"]
[West ""]
[North ""]
[East ""]
[South ""]
[Dealer "E"]
[Vulnerable "NS"]
[Deal "E:KJ.QJT.AJ7632.Q6 Q82.K98764.K5.AK A9764.2.84.J8542 T53.A53.QT9.T973"]
[Scoring ""]
[Declarer ""]
[Contract ""]
{

By partnership agreement, South's 2\H jump overcall shows 6+ hearts and opening
values 11-15 HCPs. Neither West nor North have enough strength to enter the
auction. This would typically be a 7 loser hand.}
[Result ""]
{

Declarer should lose only four tricks: \SA, \SK, \HQ, \DA.}
[BCFlags "df"]
[DoubleDummyTricks "86956869564748747477"]
[OptimumScore "NS 140"]
[ParContract "NS 3H="]
[Auction "E"]
1D 2H AP
[OptimumResultTable "Declarer;Denomination\2R;Result\1R"]
N NT 8
N  S 6
N  H 9
N  D 5
N  C 6
S NT 8
S  S 6
S  H 9
S  D 5
S  C 6
E NT 4
E  S 7
E  H 4
E  D 8
E  C 7
W NT 4
W  S 7
W  H 4
W  D 7
W  C 7

[Event "BC L13 Intermediate Jump Overcalls"]
[Site ""]
[Date ""]
[Board "3"]
[West ""]
[North ""]
[East ""]
[South ""]
[Dealer "S"]
[Vulnerable "EW"]
[Deal "S:5.AKQ73.A943.875 AQ9842.96.T6.Q64 K63.T842.QJ7.AJT JT7.J5.K852.K932"]
[Scoring ""]
[Declarer ""]
[Contract ""]
{

West is not strong enough for a jump overcall so settles for 1\S. This would
typically be a 9 loser hand.

North has 4-card heart support and 11 HCPs, so makes a stretch bid to 4\H.

North/South are not vulnerable, so their game is worth around 420, if they can
make it. East/West are vulnerable. If they bid 4\S and are doubled, two down is
500. It is not worth a sacrificial bid. However if the vulnerability were
reversed.....}
[Result ""]
{

The diamonds are located favourably for declarer: \DK is onside and \D10 is in
a doubleton, so it is possible to make four tricks in diamonds. The only losing
tricks are \SA and \CK.}
[BCFlags "df"]
[DoubleDummyTricks "a7ba8a7ba82623426234"]
[OptimumScore "NS 450"]
[ParContract "NS 4H+1"]
[Auction "S"]
1H 1S 4H AP
[OptimumResultTable "Declarer;Denomination\2R;Result\2R"]
N NT 10
N  S  7
N  H 11
N  D 10
N  C  8
S NT 10
S  S  7
S  H 11
S  D 10
S  C  8
E NT  2
E  S  6
E  H  2
E  D  3
E  C  4
W NT  2
W  S  6
W  H  2
W  D  3
W  C  4

[Event "BC L13 Intermediate Jump Overcalls"]
[Site ""]
[Date ""]
[Board "4"]
[West ""]
[North ""]
[East ""]
[South ""]
[Dealer "W"]
[Vulnerable "All"]
[Deal "W:Q.KQ987.85432.AJ K76532.J65.AJ.KQ 9.T43.K76.975432 AJT84.A2.QT9.T86"]
[Scoring ""]
[Declarer ""]
[Contract ""]
{

By partnership agreement, North's 2\S jump overcall shows 6+ spades and opening
values 11-15 HCPs. This would typically be a 7 loser hand.

South has excellent 5-card spade support and 11 HCPs, so raises to 4\S. }
[Result ""]
{

After clearing trumps in one round, declarer can play \CK and \CQ. Note that
both \CA and \CJ appear from West leaving \C10 as a winner which can be used to
discard \DJ from hand. This means that only two tricks will be lost to \HK and
\CA.}
[BCFlags "df"]
[DoubleDummyTricks "8b566ab6562277722777"]
[OptimumScore "NS 650"]
[ParContract "NS 4S+1"]
[Auction "W"]
1H 2S Pass 4S
AP
[OptimumResultTable "Declarer;Denomination\2R;Result\2R"]
N NT  8
N  S 11
N  H  5
N  D  6
N  C  6
S NT 10
S  S 11
S  H  6
S  D  5
S  C  6
E NT  2
E  S  2
E  H  7
E  D  7
E  C  7
W NT  2
W  S  2
W  H  7
W  D  7
W  C  7

[Event "BC L13 Intermediate Jump Overcalls"]
[Site ""]
[Date ""]
[Board "5"]
[West ""]
[North ""]
[East ""]
[South ""]
[Dealer "N"]
[Vulnerable "NS"]
[Deal "N:AQJ95.J8.J6.KQ32 43.K962.AKQ983.4 KT86.T753.T.JT98 72.AQ4.7542.A765"]
[Scoring ""]
[Declarer ""]
[Contract ""]
{

By partnership agreement, East's 3\D jump overcall shows 6+ diamonds and
opening values 11-15 HCPs. This would typically be a 7 loser hand.

Knowing the partnership has a 10-card diamond suit West can reduce an initial
losing trick count of 8 down to 7 and bid an invitational 4\D. East is happy to
accept the invitation and raises to 5\D.}
[Result ""]
{

After drawing trumps in two rounds, declarer can cash \HAKQ and ruff \H2 in
dummy. This leaves only two losing tricks: \SA and \SK.}
[BCFlags "df"]
[DoubleDummyTricks "373283732884ab584ab5"]
[OptimumScore "EW 420"]
[ParContract "EW 4H="]
[Auction "N"]
1S 3D Pass 4D
Pass 5D AP
[OptimumResultTable "Declarer;Denomination\2R;Result\2R"]
N NT  3
N  S  7
N  H  3
N  D  2
N  C  8
S NT  3
S  S  7
S  H  3
S  D  2
S  C  8
E NT  8
E  S  4
E  H 10
E  D 11
E  C  5
W NT  8
W  S  4
W  H 10
W  D 11
W  C  5

[Event "BC L13 Intermediate Jump Overcalls"]
[Site ""]
[Date ""]
[Board "6"]
[West ""]
[North ""]
[East ""]
[South ""]
[Dealer "E"]
[Vulnerable "EW"]
[Deal "E:T765.AQ842.K54.A 42.KJ.QJT.KQ9852 QJ83.T65.962.J63 AK9.973.A873.T74"]
[Scoring ""]
[Declarer ""]
[Contract ""]
{

By partnership agreement, South's 3\C jump overcall shows 6+ clubs and opening
values 11-15 HCPs. This would typically be a 7 loser hand.

Neither West nor North have enough strength to enter the auction.}
[Result ""]
{

Only one trick will be lost in clubs if declarer leads twice towards KQ. Three
tricks will be lost to \HA, \DK, \CA.}
[BCFlags "df"]
[DoubleDummyTricks "8559a8559a4883347833"]
[OptimumScore "NS 130"]
[ParContract "NS 3C+1"]
[Auction "E"]
1H 3C AP
[OptimumResultTable "Declarer;Denomination\2R;Result\2R"]
N NT  8
N  S  5
N  H  5
N  D  9
N  C 10
S NT  8
S  S  5
S  H  5
S  D  9
S  C 10
E NT  4
E  S  8
E  H  8
E  D  3
E  C  3
W NT  4
W  S  7
W  H  8
W  D  3
W  C  3

[Event "BC L13 Intermediate Jump Overcalls"]
[Site ""]
[Date ""]
[Board "7"]
[West ""]
[North ""]
[East ""]
[South ""]
[Dealer "S"]
[Vulnerable "All"]
[Deal "S:5.AKQ73.A943.875 AQ9842.96.T6.Q64 K63.T842.QJ7.AJT JT7.J5.K852.K932"]
[Scoring ""]
[Declarer ""]
[Contract ""]
{

West is not strong enough for a jump overcall so settles for 1\S. This would
typically be a 9 loser hand.

North has 4-card heart support and 11 HCPs, so makes a stretch bid to 4\H.

North/South are vulnerable, so their game is worth around 620, if they can make
it. East/West are vulnerable. If they bid 4\S and are doubled, two down is 500.
They might bid 4\S.....}
[Result ""]
{

The diamonds are located favourably for declarer: \DK is onside and \D10 is in
a doubleton, so it is possible to make four tricks in diamonds. The only losing
tricks are \SA and \CK.}
[BCFlags "df"]
[DoubleDummyTricks "a7ba8a7ba82623426234"]
[OptimumScore "NS 650"]
[ParContract "NS 4H+1"]
[Auction "S"]
1H 1S 4H AP
[OptimumResultTable "Declarer;Denomination\2R;Result\2R"]
N NT 10
N  S  7
N  H 11
N  D 10
N  C  8
S NT 10
S  S  7
S  H 11
S  D 10
S  C  8
E NT  2
E  S  6
E  H  2
E  D  3
E  C  4
W NT  2
W  S  6
W  H  2
W  D  3
W  C  4
