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BGonline.org Forums
Posiition 9 (Šibenik Backgammon Quiz 2015.)
Posted By: Wolfgang In Response To: Šibenik Backgammon Quiz 2015. (Timothy Chow)
Date: Monday, 14 September 2015, at 9:08 p.m.
9. This is the other one that I still find difficult. Even if he breaks his board it's not game over yet. He also wins a lot of gammons. It doesn't take too much more timing to turn this into a clear double.
Kit Woolsey's Cube Encyclopedia (chapter 4) gives instructive examples of this position type. In most cases one player has either one or even two checkers on the bar against a closed board. The other player has to overcome a 5-pt prime with either one or two checkers on the acepoint. In my opinion, those positions are certainly great reference positions which can be applied to position 9 of the quiz.
If the player on roll (quiz position 9) had his checker on the 23-point instead of on the 24-point, he could double, and the opponent could easily take. The player on roll will likely hit one of the blots; then the opponent would have two checkers on the bar, and the player on roll would need only two specific numbers (two sixes) to escape. Yet, in the original position the player on roll needs three specific numbers to get free (one six, and one one and one six). Three specific numbers to escape (against a 5-pt prime) versus two men on the bar (against a closed boared) are way too many. One specific number less, and some reasonable timing, then it is a Double/Take.
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