I watched all 720 boards during the European Championships. I was probably the only one (idiot?) who did, but I have no regrets. It is no surprise that one can find lots of exciting hands over that many boards, but the one you see in the diagram above must simply be the deal of the championships. A gem, nothing less, at least it is in my view.
Say you are declarer in 3NT after an uncontested auction where you have shown clubs and hearts and partner the other two suits. LHO finds the devastating lead of ♦K. A Merrimac Coup on the blind lead; amazing!
You can obviously run it through a double dummy solver to see if you can make it or not, but try not to. Do you still want to be declarer after that lead, or do you want Bocchi or Duboin to take over and let you have one of their seats as defender?
Roland

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S: 3NT
Lead: DK