Not one of my hands but one that I am curious about. What does Player2 have? How should Player1 have played this? How should Player1 have played the turn after how the flop was played? Here it is from memory...

10NL

Player1 is UTG ~ $21
Player2 is Button ~ $21

Player1 has
Player1 raises to $.60.
Folds to Player2.
Player2 raises to $1.20.
Folds to Player1 who calls.
Flop: (Pot=$2.55)

Player1 checks.
Player2 bets $4.00.
Player1 calls.
Turn: (Pot=$10.55)

Player1 bets $7.00.
Player2 raises to $14.00.
Player1 calls.
River: (Pot=$38.55)

Player1 bets AI $2.00.
Player2 calls AI $2.00.