1) What do u think abouth my play on this hand?
PartyPoker 10,00/20,00 Hold'em (8 handed) Recorded and converted with HandRecorder
Preflop: Hero is CO with K♣, K♥
2 folds, MP2 calls, 1 folds, Hero raises, BU calls, 1 folds, BB calls, MP2 calls.
Flop: (8,50 SB) 8♦, 4♠, 9♣ (4 players)
BB checks, MP2 checks, Hero bets, BU raises, BB folds, MP2 calls, Hero 3-bets, BU caps, MP2 calls, Hero calls.
Turn: (10,25 BB) 3♣ (3 players)
MP2 checks, Hero checks, MP2 calls, Hero calls.
River: (11,75 BB) 7♠ (3 players, 1 all-in)
MP2 checks, Hero checks.
Final Pot: 11,75 BB.
2) What abouth this one?
PartyPoker 10,00/20,00 Hold'em (9 handed) Recorded and converted with HandRecorder
Preflop: Hero is BB with 5♠, K♠
1 folds, UTG+2 calls, 4 folds, BU calls, SB calls, Hero checks.
Flop: (4,00 SB) J♣, 6♦, T♠ (4 players)
SB checks, Hero checks, UTG+2 checks, BU checks.
Turn: (2,00 BB) 5♦ (4 players)
SB bets, Hero calls, UTG+2 calls, BU folds.
River: (5,00 BB) 2♦ (3 players)
SB bets, Hero folds, UTG+2 raises, SB calls.
Final Pot: 9,00 BB.
3) Final hand 
PartyPoker 10,00/20,00 Hold'em (10 handed) Recorded and converted with HandRecorder
Preflop: Hero is CO with J♦, J♣
UTG calls, 2 folds, MP1 calls, 1 folds, MP3 calls, Hero raises, 2 folds, BB calls, UTG calls, MP1 calls, MP3 calls.
Flop: (10,50 SB) Q♥, T♦, 2♥ (5 players)
BB checks, UTG checks, MP1 folds, MP3 checks, Hero bets, BB folds, UTG calls, MP3 calls.
Turn: (6,75 BB) 8♠ (3 players)
UTG checks, MP3 checks, Hero bets, UTG calls, MP3 calls.
River: (9,75 BB) 9♥ (3 players)
UTG checks, MP3 checks, Hero checks.
Final Pot: 9,75 BB.
4) Edit: Have another hand to question. thx!
PartyPoker 10,00/20,00 Hold'em (9 handed) Recorded and converted with HandRecorder
Preflop: Hero is UTG+2 with K♦, Q♦
1 folds, Hero raises, 3 folds, CO 3-bets, 3 folds, Hero calls.
Flop: (7,50 SB) 9♦, T♥, K♣ (2 players)
Hero checks, CO bets, Hero raises, CO 3-bets, Hero calls.
Turn: (6,75 BB) 4♣ (2 players)
Hero checks, CO bets, Hero calls.
River: (8,75 BB) 5♠ (2 players)
Hero checks, CO bets, Hero calls.
Final Pot: 10,75 BB.