Was this too aggresive?
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HAND #1
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Full Tilt, $1.25 Buy-in (20/40 blinds) NL Hold'em Sit'N'Go, 8 Players
Hand History Converter by Stoxpoker
MP1: 1,830 (45.8 bb)
Hero (MP2): 1,717 (42.9 bb)
MP3: 105 (2.6 bb)
CO: 1,425 (35.6 bb)
BTN: 1,425 (35.6 bb)
SB: 2,775 (69.4 bb)
BB: 1,380 (34.5 bb)
UTG+2: 2,843 (71.1 bb)
Pre-Flop: Hero is MP2 with

UTG+2 folds, MP1 calls 40, Hero calls 40, MP3 folds, CO calls 40, BTN calls 40, SB completes, BB checks
Flop: (240)

As

(6 players)
SB checks, BB checks, MP1 checks, Hero bets 240, CO raises to 480, BTN folds, SB folds, BB calls 480, MP1 folds, Hero raises to 1,677 and is all-in, CO calls 905 and is all-in, BB calls 860 and is all-in
Turn: (4,350)

(3 players, 3 are all-in)
River: (4,350)

(3 players, 3 are all-in)
Results: 4,350 pot
Hero showed

(three of a kind, Aces) and won 45 (-1,380 net)
CO showed

(three of a kind, Aces) and won 45 (-1,380 net)
BB showed

(a flush, Ace high) and won 4,260 (2,880 net)
UTAC