07-12-2009 07:55 UTC-12 Four-Bet Works for Shak donpeters Abraham Mourshaki raised to 23,000 from middle position before John Martin reraised to 60,000 from the cutoff seat. Dan Shak then four-bet to 260,000. Both his opponents folded and Shak showed pocket aces, moving up to 445,000. Tags: Abraham MourshakiDan ShakJohn Martin