[Iconoclastic]

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raising the turn given the flop check is actually very very likely to result in the perception of 'oh, it's a bluff'.

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It could as easily be 'oh, it's a set'

A few things:

1) What does 'PCed' mean?

2) The single biggest "error" was the overrating of CO's tightness. I mean, a Tight player should fold KTo to a preflop raise for fear of domination/out of position, not to mention to a Turn-checkraise with medium pair.

3) You mentioned that by the time the River came up the entire table had breaked and it was just you two and the dealer. I noticed that there may be a psychological difference between making a tough call at a full table and just heads up. One would generally play Tighter at a full table due to the perception that since there are more people there is a higher chance of a better hand as well as not wanting to embaress oneself in front of the entire table. When you're heads up one loses the fear of embarressment and there's a vibe that since it's only 2 players the quality of hands out there decreases as well so a Call is more likely.

4) For close decisions such as deciding between 5k and 7k, just follow the old rule 'Trust ur first instinct- don’t 2nd guess yourself'.

5) Are we going to get new "masters" for the next hand or the same guys?