I was concerned that I made the first quiz a bit hard, so this one was deliberately easier, in hindsight it was too easy except for one problem.
1) The ugly stack on the midpoint has to wait
  White is Player 2
score: 0 pip: 144  1 point match  pip: 157 score: 0
Blue is Player 1  
XGID=AaDaBcGdeaA:0:0:1:44:0:0:0:1:10 
Blue to play 44 
1.  Rollout^{1}  Bar/21 13/5* 5/1  eq: +0.079 
 Player: Opponent:  53.95% (G:18.78% B:0.97%) 46.05% (G:10.61% B:0.81%)  Conf.: ± 0.006 (+0.073...+0.085)  [100.0%] Duration: 18 minutes 43 seconds 

2.  Rollout^{1}  Bar/21 13/9(3)  eq: 0.066 (0.145) 
 Player: Opponent:  46.70% (G:10.65% B:0.64%) 53.30% (G:13.39% B:1.41%)  Conf.: ± 0.006 (0.072...0.060)  [0.0%] Duration: 20 minutes 49 seconds 


^{1} 648 Games rolled with Variance Reduction. Dice Seed: 11290312 Moves: 3ply, cube decisions: XG Roller Search interval: Huge

eXtreme Gammon Version: 2.10, MET: Kazaross XG2
2) Only really 2 rolls to consider again
  White is Player 2
score: 1 pip: 150  5 point match  pip: 135 score: 0
Blue is Player 1  
XGID=aaBBBBBAaAaaabbcbAB:1:1:1:61:0:1:0:5:10 
Blue to play 61 
1.  Rollout^{1}  23/22 7/1*  eq: +1.095 
 Player: Opponent:  66.70% (G:54.75% B:17.51%) 33.30% (G:11.81% B:2.93%)  Conf.: ± 0.017 (+1.078...+1.112)  [100.0%] Duration: 10 minutes 49 seconds 

2.  Rollout^{1}  23/22 23/17  eq: +0.934 (0.161) 
 Player: Opponent:  66.44% (G:46.28% B:13.67%) 33.56% (G:9.63% B:1.70%)  Conf.: ± 0.015 (+0.919...+0.949)  [0.0%] Duration: 10 minutes 46 seconds 


^{1} 1296 Games rolled with Variance Reduction. Dice Seed: 1150556 First 4 moves: 3ply, cube decisions: XG Roller Remaining moves and cube decisions: 3ply Red Search interval: Large

eXtreme Gammon Version: 2.10, MET: Kazaross XG2
3) This problem was the one that perplexed me the most. It came up between two Giants recently
  White is Player 2
score: 2 pip: 149  9 point match  pip: 138 score: 0
Blue is Player 1  
XGID=bbDFDAcacbb:0:0:1:55:0:2:0:9:10 
Blue to play 55 
1.  Rollout^{1}  14/4 6/1(2)  eq: 0.018 
 Player: Opponent:  50.44% (G:7.71% B:0.22%) 49.56% (G:16.09% B:0.40%)  Conf.: ± 0.013 (0.031...0.005)  [100.0%] Duration: 42 minutes 36 seconds 

2.  Rollout^{1}  14/4 13/8 6/1  eq: 0.053 (0.035) 
 Player: Opponent:  50.10% (G:6.39% B:0.16%) 49.90% (G:16.70% B:0.36%)  Conf.: ± 0.013 (0.066...0.040)  [0.0%] Duration: 39 minutes 11 seconds 

3.  Rollout^{1}  14/4 13/8(2)  eq: 0.056 (0.037) 
 Player: Opponent:  49.93% (G:6.32% B:0.16%) 50.07% (G:16.18% B:0.35%)  Conf.: ± 0.014 (0.069...0.042)  [0.0%] Duration: 40 minutes 59 seconds 

4.  Rollout^{2}  13/8(2) 6/1(2)  eq: 0.282 (0.264) 
 Player: Opponent:  43.13% (G:6.48% B:0.19%) 56.87% (G:20.04% B:0.50%)  Conf.: ± 0.029 (0.311...0.254)  [0.0%] Duration: 11 minutes 02 seconds 

5.  Rollout^{2}  13/8(4)  eq: 0.411 (0.393) 
 Player: Opponent:  41.15% (G:4.37% B:0.14%) 58.85% (G:21.36% B:0.40%)  Conf.: ± 0.034 (0.445...0.377)  [0.0%] Duration: 10 minutes 40 seconds 


^{1} 1296 Games rolled with Variance Reduction. Dice Seed: 11290312 Moves: 3ply, cube decisions: XG Roller Search interval: Huge
^{2} 324 Games rolled with Variance Reduction. Dice Seed: 11290312 Moves: 3ply, cube decisions: XG Roller Search interval: Huge

eXtreme Gammon Version: 2.10, MET: Kazaross XG2
4) I talked myself out of doubling this otb. O'Hagan's Rule is something I didn't know until now and that would have been useful
  White is Player 2
score: 0 pip: 76  3 point match  pip: 71 score: 0
Blue is Player 1  
XGID=DBAaBBBBaabbccb:0:0:1:00:0:0:0:3:10 
Blue on roll, cube action? 
Analyzed in Rollout  No double  Double/Take 
Player Winning Chances:  67.87% (G:2.06% B:0.02%)  68.40% (G:2.27% B:0.04%) 
Opponent Winning Chances:  32.13% (G:1.77% B:0.03%)  31.60% (G:2.12% B:0.04%) 
Cubeless Equities  +0.362  +0.931 
Cubeful Equities 
No double:  +0.583 (0.073)  ±0.005 (+0.578..+0.588) 
Double/Take:  +0.656  ±0.006 (+0.650..+0.662) 
Double/Pass:  +1.000 (+0.344) 

Best Cube action: Double / Take 
Rollout details 
2592 Games rolled with Variance Reduction. Dice Seed: 91660883 Moves: 3ply, cube decisions: XG Roller Search interval: Huge


Double Decision confidence:  100.0% 
Take Decision confidence:  100.0% 
Duration: 10 minutes 57 seconds 
eXtreme Gammon Version: 2.10, MET: Kazaross XG2
5) Easy, not making the point because you think you will have to clear it soon is the mistake
  White is Player 2
score: 0 pip: 118  3 point match Crawford  pip: 80 score: 2
Blue is Player 1  
XGID=CBBbBCCbacbbab:0:0:1:21:2:0:1:3:10 
Blue to play 21 
1.  Rollout^{1}  9/7 8/7  eq: +0.735 
 Player: Opponent:  86.77% (G:3.21% B:0.01%) 13.23% (G:0.36% B:0.01%)  Conf.: ± 0.002 (+0.733...+0.737)  [100.0%] Duration: 15 minutes 23 seconds 

2.  Rollout^{1}  9/6  eq: +0.676 (0.059) 
 Player: Opponent:  83.82% (G:4.24% B:0.02%) 16.18% (G:0.56% B:0.01%)  Conf.: ± 0.002 (+0.674...+0.678)  [0.0%] Duration: 15 minutes 23 seconds 


^{1} 1296 Games rolled with Variance Reduction. Dice Seed: 91660883 Moves: 3ply, cube decisions: XG Roller Search interval: Huge

eXtreme Gammon Version: 2.10, MET: Kazaross XG2
I'll do some harder problems next time ;)