With 7-0-1-5, try to play in the 7-card suit OR I fail to count out the opponent's hand

Dlr: S Vul: Nil KQT9743 void 2 AJT83 J82 2 AJT9873 97 6 A9876543 54 Q2 A5 KQJT KQ6 K654

I opened the SOUTH hand ONE CLUB, LHO bid THREE DIAMONDS, partner THREE SPADES, RHO FOUR HEARTS, I DOUBLE, Pass, Pass, RHO removes himself to FIVE DIAMONDS, I DOUBLE , Pass, Partner Jeffrey Removes my DOUBLE to SIX CLUBS !

A heart was led, and I played a loser on loser, throwing the singleton diamond from dummy, as Righty won with his ACE. RHO plays a spade which I take with the ACE. I cash the CLUB KING, small cards appearing. Next I play another trump, NINE from lefty, should I go for the drop or the finesse?

I got it wrong, putting in the Jack.
Let us count. Why did W lead a heart? From the bidding (a seemingly insane FOUR HEARTS), and the lead, it should be clear that LHO has one and RHO has eight hearts.
From the bid of THREE DIAMONDS, we should place LHO with seven diamonds.
Now, the spade SIX return, and the appearance of the DEUCE, should strongly suggest the suit is breaking LHO- RHO , 3-1, or J82 - 6. So LHO is 3-1-6-2 and RHO 1-8-2-2.


Partner, asked why he chose clubs over spades, said that I need have no spades at all for my ONE CLUB opener. True, but I rate to have a couple, and even if I am missing one of the pointed suit Aces, I rate to have the other. So, SIX SPADES, is laydown if the lead is the HA, whereas, if diamonds are led, the slam is no worse than the club slam, needing you to find the CQ.

jeffreyg finds an endplay in 3NT, our opp fails to unblock.

Dlr: N Vul: Nil 843 KJT Q75 A987 QJ96 Q2 J9632 JT 2 9643 K1084 KQ63 AKT75 A875 A 542

Partner deals and opens the dreaded (both by us and the opponents) mini-NT (10-12 HCP). Now, standard treatments would allow me to show a game going 5-4 hand in the majors, but I have always marched to my own beat and try Stayman instead, When partner denies a 4-card major, I settle for THREE NOTRUMP.

The soft underbelly of DIAMONDS is attacked (D4 led). Note that this hand is played by NORTH. Next Jeffrey plays a H to the J succesfully. Next comes a spade to the A, next a H to the Q perforce and the HK. Now comes the HT, dummy playing small, a diamond pitched by W. The spade break comes to light, as E pitches a heart on the spade to the King. The HA is cashed, another D pitch from W. Clubs pitched from S and by E. In the six card ending, a Club is led from the dummy, W playing the JACK, to declarer's ACE. Now with the endplay looming, E MUST pitch CK from CKQx hoping that his partner can win the next club and put a diamond through.
Instead he discards down to this position.

Dlr: N Vul: Nil 4 none Q7 98 QJ none J9 T none none K108 KQ T75 none none 54

Now declarer, jeffrey, plays nicely, by exiting with a club, TWO clubs, CK, CQ are cashed but declarer must get a DIAMOND. Making 3NT. Note that FOUR SPADES would have no chance on the actual break.

Slam in 5-4 fit trumps breaking 4-0 better than the 7-2 fit with 2-2 break

Dlr: N Vul: N/S void K7432 10 AQ76542 QJ9752 void QJ842 K8 A103 A965 K963 103 K864 QJ108 A75 J9

Partner (jeffreyg) (N) opened his distributional hand ONE CLUB, Righty DOUBLEd, I bid ONE HEART, LHO FOUR SPADES, and I was already licking my chops, and I am surprised to hear partner bid in front of me FIVE HEARTS, PASS, PASS, FIVE SPADES. Incredible I think, and indeed I am slightly annoyed to hear a more incredible SIX HEARTS from partner. It is DOUBLED on my right, and we all pass, as I hold my peace and await dummy.

Interesting.

The SPADE Q is led and ruffed in dummy. T2: H to the TEN as Lefty shows out! pitching a spade. T3. I persist with trump, HJ driving out the A, as Lefty pitches another Spade. RHO returns the SPADE ACE, I trump in dummy, Cash the HK, (diamond pitch on my left). I cross to hand via the DIAMOND ACE, Draw the last trump with my last trump, pitching a club (West a spade). I now have remaining S:K8 D:75 C:J9 and dummy C:AQ7654. The next play is for all the marbles. CJ advanced, COVERED, CA, C3. Now on the CQ, the TEN falls from the right and the EIGHT from the left. All the clubs are now good.

Two things to note. Partner's judgement was aggresive but accurate. On the other hand, he had not given sufficient thought to playing in clubs, which slam as it happens would have been defeated by HA and H ruff.

Thus, it is better to have trumps split 4-0 than 2-2. Plus 1660 is worth 98.5%