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BGonline.org Forums
Checker play problem
Posted By: Daniel Murphy In Response To: Checker play problem (PersianLord)
Date: Saturday, 14 June 2008, at 11:01 p.m.
The reason I didn't provide the Position and Match IDs was that I was eager to know how others think about this position and analyze it
Did you want comments with everyone assuming it was a money game, or at the 0-0/3 with Blue holding a 2-cube score that you had in your match? With gammon losses not counting as much at 0-0/3, there's less reason to advance the anchor. According to Dave's rollout, advancing the anchor is wrong anyway. If the rollout holds up, then we who move up have misjudged the balance of staying back to win more games vs. moving up to lose fewer gammmons.
0-0/3, Blue holds 2-cube:
Alert: doubtful move ( -0.018)
# Ply Move Equity 1 2 6/4(2) -0.338 0.366 0.048 0.001 - 0.634 0.291 0.036 2 2 8/7 6/4 5/4 -0.343 ( -0.005) 0.366 0.046 0.001 - 0.634 0.297 0.038 3 2 24/23(2) 8/7 6/5 -0.344 ( -0.005) 0.364 0.042 0.001 - 0.636 0.288 0.016 4 2 8/4 -0.354 ( -0.016) 0.361 0.043 0.001 - 0.639 0.291 0.034 • 5 2 24/23(2) 6/4 -0.356 ( -0.018) 0.363 0.044 0.001 - 0.637 0.301 0.020 -0.018 = -0.45% match equity here.
Alert: doubtful move ( -0.006)
# Ply Move Equity 1 3 8/7 6/4 5/4 -0.480 0.319 0.038 0.001 - 0.681 0.310 0.035 • 2 3 24/23(2) 6/4 -0.486 ( -0.006) 0.318 0.038 0.001 - 0.682 0.311 0.017 3 3 8/4 -0.488 ( -0.008) 0.315 0.037 0.001 - 0.685 0.307 0.033 4 3 6/4(2) -0.492 ( -0.011) 0.316 0.039 0.001 - 0.684 0.313 0.035 5 3 24/23(2) 8/7 6/5 -0.503 ( -0.023) 0.306 0.034 0.000 - 0.694 0.296 0.014 Alert: doubtful move ( -0.030)
# Ply Move Equity 1 4 6/4(2) -0.334 0.367 0.047 0.001 - 0.633 0.290 0.038 2 4 8/4 -0.344 ( -0.010) 0.363 0.045 0.001 - 0.637 0.289 0.035 3 4 8/7 6/4 5/4 -0.354 ( -0.020) 0.363 0.045 0.001 - 0.637 0.298 0.039 • 4 4 24/23(2) 6/4 -0.364 ( -0.030) 0.362 0.046 0.001 - 0.638 0.307 0.021 5 4 24/23(2) 8/7 6/5 -0.369 ( -0.034) 0.355 0.044 0.001 - 0.645 0.292 0.017 Money game, centered cube:
Alert: doubtful move ( -0.033)
# Ply Move Equity 1 2 24/23(2) 8/7 6/5 -0.821 0.364 0.042 0.001 - 0.636 0.288 0.016 2 2 6/4(2) -0.851 ( -0.031) 0.364 0.045 0.001 - 0.636 0.289 0.034 • 3 2 24/23(2) 6/4 -0.854 ( -0.033) 0.361 0.044 0.001 - 0.639 0.297 0.019 4 2 8/7 6/4 5/4 -0.860 ( -0.039) 0.365 0.045 0.001 - 0.635 0.294 0.036 Alert: doubtful move ( +0.000)
# Ply Move Equity • 1 3 24/23(2) 6/4 -1.000 0.315 0.038 0.001 - 0.685 0.307 0.016 2 3 24/23(2) 8/7 6/5 -1.000 ( +0.000) 0.306 0.034 0.000 - 0.694 0.295 0.013 3 3 8/7 6/4 5/4 -1.000 ( +0.000) 0.318 0.037 0.001 - 0.682 0.308 0.033 4 3 6/4(2) -1.000 ( +0.000) 0.314 0.037 0.001 - 0.686 0.312 0.033 Alert: doubtful move ( -0.034)
# Ply Move Equity 1 4 6/4(2) -0.837 0.366 0.045 0.001 - 0.634 0.286 0.035 2 4 24/23(2) 8/7 6/5 -0.869 ( -0.032) 0.354 0.044 0.001 - 0.646 0.291 0.016 • 3 4 24/23(2) 6/4 -0.871 ( -0.034) 0.358 0.045 0.001 - 0.642 0.301 0.019 4 4 8/7 6/4 5/4 -0.880 ( -0.043) 0.361 0.044 0.001 - 0.639 0.293 0.036 Money game, Blue holds 2-cube:
Annotation1. Cubeful 2-ply 24/23(2) 8/7 6/5 Eq.: -0.410
0.364 0.042 0.001 - 0.636 0.288 0.016
2-ply cubeful prune [world class]
2. Cubeful 2-ply 6/4(2) Eq.: -0.426 ( -0.015)
0.364 0.045 0.001 - 0.636 0.289 0.034
2-ply cubeful prune [world class]
3. Cubeful 2-ply 24/23(2) 6/4 Eq.: -0.427 ( -0.016)
0.361 0.044 0.001 - 0.639 0.297 0.019
2-ply cubeful prune [world class]
4. Cubeful 2-ply 8/7 6/4 5/4 Eq.: -0.430 ( -0.019)
0.365 0.045 0.001 - 0.635 0.294 0.036
2-ply cubeful prune [world class]
1. Cubeful 3-ply 24/23(2) 6/4 Eq.: -0.548
0.315 0.038 0.001 - 0.685 0.307 0.016
3-ply cubeful prune [grandmaster]
2. Cubeful 3-ply 24/23(2) 8/7 6/5 Eq.: -0.559 ( -0.011)
0.306 0.034 0.000 - 0.694 0.295 0.013
3-ply cubeful prune [grandmaster]
3. Cubeful 3-ply 8/7 6/4 5/4 Eq.: -0.561 ( -0.013)
0.318 0.037 0.001 - 0.682 0.309 0.033
3-ply cubeful prune [grandmaster]
4. Cubeful 3-ply 6/4(2) Eq.: -0.571 ( -0.023)
0.314 0.037 0.001 - 0.686 0.312 0.033
3-ply cubeful prune [grandmaster]
1. Cubeful 4-ply 6/4(2) Eq.: -0.419
0.366 0.045 0.001 - 0.634 0.287 0.035
4-ply cubeful prune
2. Cubeful 4-ply 24/23(2) 8/7 6/5 Eq.: -0.434 ( -0.015)
0.354 0.044 0.001 - 0.646 0.291 0.016
4-ply cubeful prune
3. Cubeful 4-ply 24/23(2) 6/4 Eq.: -0.436 ( -0.017)
0.359 0.045 0.001 - 0.641 0.301 0.019
4-ply cubeful prune
4. Cubeful 4-ply 8/7 6/4 5/4 Eq.: -0.440 ( -0.021)
0.361 0.044 0.001 - 0.639 0.294 0.037
4-ply cubeful prune
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