psyck Posted April 9, 2013 Report Share Posted April 9, 2013 OK, the title was just to get you interested, it didn't actually happen at the table where South was sillafu, North was borno & they did not have much of a role to play. [hv=pc=n&s=sa876ht73dt8764c9&w=skqt53hk986dk2c84&n=sj9haj5dqj53ck652&e=s42hq42da9caqjt73&d=w&v=0&b=8&a=1sp2cp2hp3cp3nppp&p=d3d9dtdkc8c2cqc9s2s7sq]399|300[/hv] At the table, the declarer just went after ♣'s & ended with 8 tricks. However, as the cards lie, if he went for a Morton's fork in ♠ & followed it with a fork in ♥, he could make the hand. South has to duck the ♠ to prevent 4♠, 2♦, 3♣ tricks; North has to duck the ♥ to prevent 1♠, 3♥, 2♦, 3♣ tricks & after both duck, declarer can go after ♣ to get 1♠, 1♥, 2♦, 5♣ tricks. I was wondering what would be the best single dummy line of play here & how well the above line fares against it... 1 Quote Link to comment Share on other sites More sharing options...
Cyberyeti Posted April 9, 2013 Report Share Posted April 9, 2013 What exactly are you proposing as the Morton's fork line ? The timing is slightly off as W doesn't have a sure entry to hand to cash the spades if S flies the A♠ on the second round with N retaining the A♥. Quote Link to comment Share on other sites More sharing options...
WellSpyder Posted April 9, 2013 Report Share Posted April 9, 2013 What exactly are you proposing as the Morton's fork line ? The timing is slightly off as W doesn't have a sure entry to hand to cash the spades if S flies the A♠ on the second round with N retaining the A♥.The entries are tricky, which prevents a double fork in spades. But a single fork in spades followed by a single fork in hearts still qualifies as a double fork, I think. You only need one trick in each major if you haven't yet lost the lead since now you can just establish the clubs. Quote Link to comment Share on other sites More sharing options...
psyck Posted April 9, 2013 Author Report Share Posted April 9, 2013 Correct WellSpyder. Cyberyeti, I specified the 9 possible tricks after each critical point - ♠ through South, ♥ though North, and after both those win - so I hope is clear enough now... Quote Link to comment Share on other sites More sharing options...
Free Posted April 9, 2013 Report Share Posted April 9, 2013 That's a nice DD line, but SD this line sucks. If either Ace is in the wrong hand you could easily end up with a disaster. Quote Link to comment Share on other sites More sharing options...
WellSpyder Posted April 9, 2013 Report Share Posted April 9, 2013 That's a nice DD line, but SD this line sucks. If either Ace is in the wrong hand you could easily end up with a disaster.A spade at T3 looks OK to me. If ♠A is offside (or indeed it is onside and taken immediately, but the suit now doesn't run) then you are back to relying on 6 ♣ tricks. Since you have 3 ♦ and 2 aces to lose once the defence gets going you don't have time to give up a ♣ trick anyway. Now if ♠K wins T3 then I don't see what you lose by playing a heart at T4 since if ♥A is offside you still have ♥K as an entry to hand to repeat the ♣ finesse and play for 6 ♣ tricks. If you win tricks 3 & 4 in the majors then you can afford to give up a ♣ trick. It is hard to see how you can lose more than 4 tricks this way. Suppose someone can win ♣K, play a major through your remaining honour, regain the lead in the other major and then play the first major again. I think that means the suit has to be 3-3 anyway, so you can't lose 3 tricks in it. So despite having doubts of my own that this could possible be the right line to play, I haven't actually seen a better SD line yet - though I'm fully expecting someone to point out something obvious I have missed... 2 Quote Link to comment Share on other sites More sharing options...
Cyberyeti Posted April 9, 2013 Report Share Posted April 9, 2013 The only time this line falls down is where the heart loses to the ace and they play a diamond, you play a heart to hand, hook the club and it loses, now you may only make about 5 tricks. You didn't specify pairs/teams, but -200 will look very silly at pairs. You have a similar problem if the spade loses to the ace and they remove your dummy entry, but I don't think that can sensibly be avoided. Quote Link to comment Share on other sites More sharing options...
psyck Posted April 9, 2013 Author Report Share Posted April 9, 2013 It was a team match on BBO, & as Spyder pointed, the suggested line is reasonable single dummy; unless someone can come up with something better... Quote Link to comment Share on other sites More sharing options...
PhilKing Posted April 9, 2013 Report Share Posted April 9, 2013 The winning line only caters for clubs 4-1 onside, and hearts 3-3 onside (you can't sensibly play restricted choice), so it is a bit dubious. Both black nines appearing early make it far from absurd, though. Quote Link to comment Share on other sites More sharing options...
cnszsun Posted April 10, 2013 Report Share Posted April 10, 2013 The spot cards in ♠ and ♥ make the suggested line perfect. I've found no faults. It's not intuitive so that maybe it's hard to find at the table. Quote Link to comment Share on other sites More sharing options...
HeartA Posted April 10, 2013 Report Share Posted April 10, 2013 I don't get it. What is the opening lead (I assume it was a ♦)? And which side won the ♦ lead? If it were East, there would be no (sure) entry to ♣. So I would assume it was West who won the opening lead. A ♥ lead toward dummy? North can take ♥A, and continue with ♦. What EW can get is 3♥+2♦+3♣. If East won the first ♦ (♠ toward West ducked, ♥ toward East also got ducked), declarer had to play ♣ from dummy, North can win 2nd ♣ (as East has no more entries) and continue with ♦. I don't see a way EW can get 9 tricks. Quote Link to comment Share on other sites More sharing options...
Cyberyeti Posted April 10, 2013 Report Share Posted April 10, 2013 I don't get it. What is the opening lead (I assume it was a ♦)? And which side won the ♦ lead? If it were East, there would be no (sure) entry to ♣. So I would assume it was West who won the opening lead. A ♥ lead toward dummy? North can take ♥A, and continue with ♦. What EW can get is 3♥+2♦+3♣. If East won the first ♦ (♠ toward West ducked, ♥ toward East also got ducked), declarer had to play ♣ from dummy, North can win 2nd ♣ (as East has no more entries) and continue with ♦. I don't see a way EW can get 9 tricks.Clue, use the next button to see how the play started. ♦K♣Q♠K♥QClubs from dummy to make 4 more ♣ with the ♦A as entry. Quote Link to comment Share on other sites More sharing options...
HeartA Posted April 10, 2013 Report Share Posted April 10, 2013 What "I don't get it" is the "double fork ". It does not exist. if dummy (east) wins first ♦, ♣ cant set up. if west wins first ♦, he cant play a ♠ toward hand. There is no line that can get ew 9 tricks, double dummy or single dummy. Quote Link to comment Share on other sites More sharing options...
Cyberyeti Posted April 10, 2013 Report Share Posted April 10, 2013 What "I don't get it" is the "double fork ". It does not exist. if dummy (east) wins first ♦, ♣ cant set up. if west wins first ♦, he cant play a ♠ toward hand. There is no line that can get ew 9 tricks, double dummy or single dummy.The double fork is one in spades, one in hearts, they can't fly either ace in the line I've given in the previous post. W wins the first diamond in hand, hooks the club then leads a spade towards hand. Quote Link to comment Share on other sites More sharing options...
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