Two lines heads up after the flop with AKo and ATo

[mowz]

I am having trouble with these two situations as to when to bet the river and when not to. Does anyone rely on a stat like how often the oponnent goes to showdown or on the opponent's agression factor here? I don't feel very well about either of these hands. Any comments on these two lines are greatly appreciated.

Party Poker 2/4 Hold'em (8 handed) converter (http://www.selachian.com/tools/bisonconverter/hhconverter.cgi)

Preflop: Hero is CO with A/images/graemlins/heart.gif, T/images/graemlins/spade.gif.
UTG folds, UTG+1 folds, MP1 calls, MP2 folds, <font color="#CC3333">Hero raises</font>, Button folds, SB folds, BB folds, MP1 calls.

Flop: (5.50 SB) 4/images/graemlins/spade.gif, 6/images/graemlins/diamond.gif, 9/images/graemlins/spade.gif <font color="#0000FF">(2 players)</font>
MP1 checks, <font color="#CC3333">Hero bets</font>, MP1 calls.

Turn: (3.75 BB) 7/images/graemlins/diamond.gif <font color="#0000FF">(2 players)</font>
MP1 checks, <font color="#CC3333">Hero bets</font>, MP1 calls.

River: (5.75 BB) 6/images/graemlins/club.gif <font color="#0000FF">(2 players)</font>
MP1 checks, Hero checks.

Final Pot: 5.75 BB

Results in white below: <font color="#FFFFFF">
MP1 has Ac 4h (two pair, sixes and fours).
Hero has Ah Ts (one pair, sixes).
Outcome: MP1 wins 5.75 BB. </font>

Here is a similar situation w/AKo where I decide to bet the river:

Party Poker 2/4 Hold'em (9 handed) converter (http://www.selachian.com/tools/bisonconverter/hhconverter.cgi)

Preflop: Hero is MP1 with K/images/graemlins/heart.gif, A/images/graemlins/club.gif.
UTG folds, UTG+1 folds, <font color="#CC3333">Hero raises</font>, MP2 folds, MP3 folds, CO folds, Button folds, SB calls, BB folds.

Flop: (5 SB) 3/images/graemlins/heart.gif, 4/images/graemlins/club.gif, Q/images/graemlins/heart.gif <font color="#0000FF">(2 players)</font>
SB checks, <font color="#CC3333">Hero bets</font>, SB calls.

Turn: (3.50 BB) 6/images/graemlins/spade.gif <font color="#0000FF">(2 players)</font>
SB checks, <font color="#CC3333">Hero bets</font>, SB calls.

River: (5.50 BB) J/images/graemlins/diamond.gif <font color="#0000FF">(2 players)</font>
SB checks, <font color="#CC3333">Hero bets</font>, SB calls.

Final Pot: 7.50 BB

Results in white below: <font color="#FFFFFF">
Hero has Kh Ac (high card, ace).
SB has 7d 7c (one pair, sevens).
Outcome: SB wins 7.50 BB. </font>

[Nick C]

I think I'd check behind on the river in both hands. If your opponents have you beat, they seem determined to call down. Possibly in Hand 1 your opponent will fold a better ace, and maybe in Hand 2 your opponent will call with a worse one. But I don't think you'll benefit from a river bet often enough in these hands.