WPT Poker Corner: The Matt Matros A5 hand & Game Theory

[DonkeyKong]

Matros apparently wrote a book on Game Theory & Poker...

In the hand he went out on:
3-Handed
Chip Counts:
deKnijff $10.5mm
Habib: $4.1mm
Matros: $2.5mm
Blinds 80k/160k
Ante: $15k

Matros had the button and first to act:
A[img]/images/graemlins/spade.gif[/img]5[img]/images/graemlins/diamond.gif[/img]
Bets $500k

Habib mucks
deKnjiff Calls with K[img]/images/graemlins/heart.gif[/img]J[img]/images/graemlins/diamond.gif[/img]

Pot $1,125,000

Flop: 2 [img]/images/graemlins/heart.gif[/img]T [img]/images/graemlins/diamond.gif[/img]J [img]/images/graemlins/club.gif[/img]

Check
Check

Turn: 9[img]/images/graemlins/club.gif[/img]

deKnijffe bets $500k
Matros moves all-in
deKnijffe calls

River: 2[img]/images/graemlins/diamond.gif[/img]

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On WPT Poker Corner, Dan Negeanu called this a donkey-play as he should not have put one more chip into this pot. He left himself with 3 outs on an all-in...

WPT had just run a little vignette about how Matros used game theory.

So clearly, it looked like Matros was using the 9 as a bluff card given that he thought it was unlikely that deKnijffe had enough to call him....

Donkey play or proper game theory play and just unlucky???