BOARD #11 [space]N NORTH [space] [space]Jul [space]9 [space] [space] [space] [space]RESULTS OF BOARD 11 [space] [space] [space] [space] [space] [space]S K3 [space] [space] [space] Evening [space] [space] [space] [space] [space] [space] [space] [space] [space]H K84 [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space]SCORES [space] [space] [space]MATCHPOINTS [space] N WEST [space] [space] D T8652 [space] [space]N EAST [space] [space] [space] [space] N-S [space] E-W [space] [space]N-S [space] [space]E-W S JT964 [space] [space]C QJ5 [space] [space] [space]S AQ2 [space] [space] [space] [space] [space] [space] [space] [space]400 [space] [space]3.00 [space] 5.00 1 vs 8 H 6 [space] [space] [space] [space] [space] [space] [space] [space] [space] H AQJ [space] [space] [space] [space] [space] [space] [space] [space]400 [space] [space]3.00 [space] 5.00 2 vs 10 D 974 [space] [space] [space]D SOUTH [space] [space]D KQJ [space] [space] [space] [space] [space] [space] [space] [space]150 [space] [space]6.00 [space] 2.00 3 vs 2 C K987 [space] [space] S 875 [space] [space] [space]C T643 [space] [space] [space] [space] [space] [space] [space] 420 [space] [space]0.50 [space] 7.50 4 vs 4 [space] [space] [space] [space] [space] [space]H T97532 [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space]200 [space] [space]5.00 [space] 3.00 6 vs 7 [space] [space] [space] [space] [space] [space]D A3 [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space]140 [space] [space]7.00 [space] 1.00 7 vs 9 [space] [space] [space] [space] [space] [space]C A2 [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space]420 [space] [space]0.50 [space] 7.50 8 vs 1 [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space]100 [space] [space]8.00 [space] 0.00 9 vs 3 [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space]400 [space] [space]3.00 [space] 5.00 10 vs 6 [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] ---------------------------------------------------------------------- BOARD #12 [space]V NORTH [space] [space]Jul [space]9 [space] [space] [space] [space]RESULTS OF BOARD 12 [space] [space] [space] [space] [space] [space]S 976 [space] [space] [space]Evening [space] [space] [space] [space] [space] [space] [space] [space] [space]H KQT [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space]SCORES [space] [space] [space]MATCHPOINTS [space] NAMES D WEST [space] [space] D AJ865 [space] [space]N EAST [space] [space] [space] [space] N-S [space] E-W [space] [space]N-S [space] [space]E-W S 8542 [space] [space] C A6 [space] [space] [space] S QJ3 [space] [space] [space] [space] 2220 [space] [space] [space] [space] [space]8.00 [space] 0.00 1 vs 8 H 8652 [space] [space] [space] [space] [space] [space] [space] [space]H J93 [space] [space] [space] [space] 1440 [space] [space] [space] [space] [space]2.00 [space] 6.00 2 vs 10 D K4 [space] [space] [space] V SOUTH [space] [space]D T972 [space] [space] [space] [space]1470 [space] [space] [space] [space] [space]6.00 [space] 2.00 3 [space]vs 2 C 532 [space] [space] [space]S AKT [space] [space] [space]C J87 [space] [space] [space] [space] 1440 [space] [space] [space] [space] [space]2.00 [space] 6.00 4 vs 4 [space] [space] [space] [space] [space] [space]H A74 [space] [space] [space] [space] [space] [space] [space] [space] [space] [space]1470 [space] [space] [space] [space] [space]6.00 [space] 2.00 6 vs 7 [space] [space] [space] [space] [space] [space]D Q3 [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] 1440 [space] [space] [space] [space] [space]2.00 [space] 6.00 7 vs 9 [space] [space] [space] [space] [space] [space]C KQT94 [space] [space] [space] [space] [space] [space] [space] [space] [space]1440 [space] [space] [space] [space] [space]2.00 [space] 6.00 8 vs 1 [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] 1440 [space] [space] [space] [space] [space]2.00 [space] 6.00 9 vs 3 [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] [space] 1470 [space] [space] [space] [space] [space]6.00 [space] 2.00 10 vs 6
In round 2 of a nine round game, I was called to the table where Board 12 had just been played. Declarer North had played 6NT and received a low diamond lead from East, queen, king, ace. When the clubs broke North claimed thirteen tricks without a line of play, but with cards back in the slot the defenders recounted and came to only twelve. When East admitted to holding the QJx of spades, TD was called and North-South appealed that no competent declarer could come to only twelve after that start. Tensions rose and eventually North pulled out his hand and slapped it face up on the table...
...not realizing in his excitement that his hand was already on the table face up and he had removed the Board 11 North hand and slapped it on top. Of course, previous players had cooperated by shuffling green-backed cards into both decks. Luckily, it was easy to reconstruct the deal. Or so we thought.
Seven rounds later, in the final round, South declared 3♥ and midway through the hand, East led the six of clubs through declarer and around to dummy's holding of...QJ6! A quick peek by North into his Board 12 hand revealed the five of clubs and they unswapped it.
Side note, just to add to the coincidence: between the two incidents involving these boards, I entered the player-dealt deals into our computer using a program I wrote. The user removes the West, South and East hands one by one and enters the cards in them into the machine, so you can leave the traveler in the North slot. It then deals the remaining cards to the North hand. So (of course) I did not catch the swap. (Neither did six more rounds of players!)
So:
1) Does the first North get to make 1470 on Board 12, based on section 2 of Law 71? Or is there a normal line that doesn't lead to thirteen tricks while East gets squeezed in spades and diamonds?
2) Is there another possibility other than Board 11's 5♣ swapped with Board 12's 6♣ that I have not considered that has some degree of probability?
3) Is the swap at all likely to affect any results on the board, given that nobody noticed it? Most played 3NT by East on Board 11, and the extra six of clubs might not have appeared at all before a claim. On Board 12, the five of clubs is in declarer's hand at most tables and is led towards the dummy as declarer cashes dummy's suit. Defenders will be looking ahead to discards once declarer plays a second club and they know the suit is breaking.
4) Is there a Law that covers this situation?
5) Is it just the ACBL Lawbook that divides Law 71 into section 1 and 2 instead of A and B?

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