Mine is 4th in the list and is so very wrong for several reasons. In comparison to XG's preferred choices my play of 63O fails to bring the 12th man into the zone, makes a point (and the wrong one at that), fails to slot the important bar and fails to unstack 8pt heavy.
I believe ther are two conflicting ideas at work here. Although given the differential the conflict is negligible.
NBM

              
 
              
 | | White is XG Roller
score: 4 pip: 94 | 5 point match Crawford | pip: 166 score: 2
Blue is Mr Majestyk | | | XGID=----A-D-E-aa-Ba---bbbbbbC-:0:0:1:63:2:4:1:5:10 | | Blue to play 63 | | | 1. | Rollout1 | 13/7 13/10* | eq: -0.638 | | Player: Opponent: | 18.08% (G:0.26% B:0.01%) 81.92% (G:55.85% B:29.87%) | Conf.: ± 0.006 (-0.644...-0.632) - [61.2%] Duration: 6 minutes 51 seconds |
| | 2. | Rollout1 | 13/7 8/5 | eq: -0.639 (-0.001) | | Player: Opponent: | 18.03% (G:0.24% B:0.01%) 81.97% (G:46.75% B:16.30%) | Conf.: ± 0.004 (-0.644...-0.635) - [37.2%] Duration: 5 minutes 43 seconds |
| | 3. | Rollout1 | 13/7 6/3 | eq: -0.644 (-0.006) | | Player: Opponent: | 17.76% (G:0.27% B:0.01%) 82.24% (G:46.68% B:16.63%) | Conf.: ± 0.005 (-0.649...-0.639) - [1.6%] Duration: 5 minutes 28 seconds |
| | 4. | Rollout1 | 13/10* 10/4 | eq: -0.660 (-0.022) | | Player: Opponent: | 16.97% (G:0.49% B:0.02%) 83.03% (G:51.46% B:22.51%) | Conf.: ± 0.005 (-0.665...-0.655) - [0.0%] Duration: 6 minutes 02 seconds |
| | 5. | 4-ply | 13/4 | eq: -0.682 (-0.044) | | Player: Opponent: | 15.88% (G:0.28% B:0.01%) 84.12% (G:35.08% B:3.06%) | |
| | | 1 1296 Games rolled with Variance Reduction. Dice Seed: 84714416 Moves and cube decisions: 3-ply
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eXtreme Gammon Version: 2.03, MET: Kazaross XG2