This is one of the most replayed hands in Main Event history, and it is worth studying precisely because the player who lost it did almost everything right. The player who won it, Jonathan Duhamel, went on to win the whole tournament.

The setup

Deep in the 2010 Main Event, with 15 players remaining, Duhamel opened from the cutoff. Affleck, on the button, three-bet to 1.55 million. The blinds folded, Duhamel four-bet to 3,925,000, and Affleck simply called. About 8 million chips were in the pot before the flop.

Affleck held A♣ A♠. Duhamel held J♥ J♣. Before the flop, aces are roughly an 81% favorite against this pair of jacks.

Street by street

  • Flop: 10♦ 9♣ 7♥. Duhamel checked. Affleck bet 5 million and Duhamel called. The board is connected: Duhamel's jacks picked up an open-ended straight draw (any eight), and a jack would give him a set. Aces are still about a 74% favorite here, by our count of every possible turn and river.
  • Turn: Q♦. Duhamel checked again, and Affleck moved all in for about 11.6 million. The queen added a second straight card for the jacks: now a king also makes Duhamel a straight. His outs were four eights, four kings and the two remaining jacks — 10 cards out of 44 unseen, or about 23%. Affleck was about 77% to win.
  • The call. Duhamel, who had Affleck covered, thought for around five minutes and called.
  • River: 8♦. Duhamel made a queen-high straight. Affleck was eliminated in 15th place, and the pot of roughly 42 million chips made Duhamel the chip leader with about 51 million.

The odds at each point

Here is how the hand looked to someone who could see both players' cards:

  • Before the flop: aces about 81%, jacks about 19%.
  • After the flop: aces about 74%, jacks about 26%.
  • After the turn: aces about 77%, jacks about 23%.

Now look at the call on the turn from Duhamel's side. Before Affleck's shove there were about 18 million chips in the pot (8 million preflop plus two 5 million flop bets). Calling 11.6 million to win about 29.6 million means Duhamel needed roughly 28% equity to break even on pot odds alone. Against aces he had about 23%. Against Affleck's whole range, which could include hands that jacks beat, the call looks better, and only Duhamel knows what he put Affleck on. But against the hand Affleck actually held, the call cost money on average, and the river paid him anyway.

What the losing player did right

  • He kept his range wide preflop. Flatting the four-bet in position, rather than five-betting, kept hands like jacks, queens and ace-king in the pot instead of folding them.
  • He bet the flop for value and protection. On a wet, connected board, checking behind would have given a free card to every draw. Betting made those draws pay.
  • He got the money in as a big favorite. All in on the turn at about 77% is exactly where a strong player wants to be. If this exact spot were played a hundred times, aces would win about three of every four.

None of that changes the river. That is the hard truth about bad beats: a correct decision can still produce the worst possible result, and the result says almost nothing about the quality of the decision.

The lesson

When an opponent makes a call that is wrong on the numbers and wins, that is not proof you misplayed the hand. It is the money you will earn back over many hands, because the same call loses most of the time. The danger is emotional, not mathematical. A player who leaves a hand like this convinced the game is unfair is a candidate for tilt in the next one.

Three habits help:

  • Review the decision, not the river. Write down where the money went in and what your equity was. If you were the favorite, the decision was good.
  • Take a moment before the next hand. A short pause protects the rest of your session. Our tilt guide covers practical ways to reset.
  • Size your play so one hand can't hurt you. Losing a 77% spot happens about one time in four. A sensible bankroll makes that a statistic rather than a crisis.

Sources

Hand details are as reported by the outlets above. Percentages are our own calculations from the cards shown; where suits were not reported, figures are approximate.