I wonder why he hasn't withdrawn yet?
BitDice cold wallets don't seem to have moved any coins close to the amount won even though he won a huge percent of the bankroll
https://www.blocktrail.com/BTC/address/146syqE3vnfQp4VauBRUnUuAgvxMoitxcK, https://www.blocktrail.com/BTC/address/1P8yKwe4LMRfy1kCBgC97w6Z3D3cNLYbxg

When Greystroke and his alt accounts were betting up to 1000 Bitcoin at a time at PRC people were seeing proof of his multiple large withdrawals per day by viewing the blockchain.