Mano absurda de la noche

Yo no entiendo...

PokerStars Game #7158198949: Hold'em No Limit ($0.50/$1.00) - 2006/11/24 - 17:33:58 (ET)
Table 'Larink' 6-max Seat #2 is the button
Seat 1: parce80 ($38.20 in chips)
Seat 2: Darace ($98.50 in chips)
Seat 4: ogravity ($307.70 in chips)
Seat 5: racks ($51.95 in chips)
Seat 6: MuckeDBoY ($105.75 in chips)
Guds-Fader will be allowed to play after the button
ogravity: posts small blind $0.50
racks: posts big blind $1
*** HOLE CARDS ***
Dealt to MuckeDBoY [Kc Ah]
MuckeDBoY: raises $3 to $4
parce80: calls $4
Darace has timed out
Darace: folds
Darace is sitting out
ogravity: folds
Darace leaves the table
racks: calls $3
*** FLOP *** [4d 3c 7s]
racks: checks
MuckeDBoY: bets $6
parce80: calls $6
racks: calls $6
*** TURN *** [4d 3c 7s] [9s]
racks: checks
MuckeDBoY: checks
parce80: bets $4
racks: calls $4
MuckeDBoY: calls $4
*** RIVER *** [4d 3c 7s 9s] [8h]
racks: checks
MuckeDBoY: checks
parce80: bets $4
racks: folds
MuckeDBoY: calls $4
*** SHOW DOWN ***
parce80: shows [2c Qc] (high card Queen)
MuckeDBoY: shows [Kc Ah] (high card Ace)
MuckeDBoY collected $48.50 from pot
*** SUMMARY ***
Total pot $50.50 | Rake $2
Board [4d 3c 7s 9s 8h]
Seat 1: parce80 showed [2c Qc] and lost with high card Queen
Seat 2: Darace (button) folded before Flop (didn't bet)
Seat 4: ogravity (small blind) folded before Flop
Seat 5: racks (big blind) folded on the River
Seat 6: MuckeDBoY showed [Kc Ah] and won ($48.50) with high card Ace