Seat 1 Clowis (82,273)

Seat 2 turncatcher (37,477)

Seat 3 7days7 (76,368)

Seat 4 Cash Magnetic (237,975)

Clowis antes 250

turncatcher antes 250

7days7 antes 250

Cash Magnetic antes 250

7days7 posts the small blind of 1,000

Cash Magnetic posts the big blind of 2,000

The button is in seat #2

 HOLE CARDS 

Dealt to Clowis [8s Ad]

Clowis raises to 4,400

turncatcher folds

7days7 folds

Cash Magnetic calls 2,400

 FLOP  [Qh 2s 8h] (Total Pot 10,800, 2 Players)

Cash Magnetic checks

Clowis bets 4,555

Cash Magnetic has 15 seconds left to act

Cash Magnetic raises to 11,000

Clowis calls 6,445

 TURN  [Qh 2s 8h] [7c] (Total Pot 32,800, 2 Players)

Cash Magnetic has 15 seconds left to act

Cash Magnetic bets 19,000

Clowis calls 19,000

 RIVER  [Qh 2s 8h 7c] [2d] (Total Pot 70,800, 2 Players)

Cash Magnetic bets 203,325, and is all in

Clowis calls 47,623, and is all in

Uncalled bet of 155,702 returned to Cash Magnetic

MiniFtops 4 max deep in . New table ,already raised twise in a row, that was my 3rd time . Guy from BB uknown , probably not reg. 

What do you think ? Should i give him free card on the flop with checking or my line is complitely fine against unknown ?