• 2019 - Position 202

    XGID=---BCcE-BC--c---ab-b-bb---:0:0:1:00:2:6:0:7:10

    Match Play. Red trails 2-6 (post- Crawford). Should Red double? If doubled, should White take?

    This is posted as a reminder that you can wait too long to double post-Crawford. Red held on the cube too long before doubling. Now, because of the gammon threat, White must drop the double and play from 6-3 ahead. A salutary tale indeed!

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    6 comments

  • 2019 - Position 201

    XGID=aBBB-CB-A---bAa----cccb-B-:0:0:1:00:0:0:3:0:10

    Money Play. Should Red double? If doubled, should White take?

    It is close but Red should double. The double is based on activating his gammon threat as more than half of his wins are gammons.

    White has a trivial take based upon entering very quickly combined with the games where Red crashes his board when he can’t escape his rear checkers.

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    1 comment

  • 2019 - Position 200

    XGID=-BABAACCAA--a---ab-cbcab--:0:0:1:00:3:1:0:7:10

    Match Play. Red leads 3-1 to 7. Should Red double? If doubled, should White take?

    For money this a close but correct take. The Trice formula gets this wrong, but Reichert gets it right.

    The match score changes things completely. Now White’s redoubles to 4 are hindered because four points give Red the match with perfect efficiency. White will need to be more circumspect than usual when redoubling.

    This turns the position into a very clear drop and it is a blunder to take.

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    2 comments

  • 2019 - Position 199

    XGID=----bAD-C--BdC---dAe----A-:0:0:1:22:0:0:3:0:10

    Money Play. How should Red play 22?

    This position came up in a lesson this week and we discussed the merits of (a) 13/5 (b) 24/18, 5/3 (c) 18/16, 11/5 and (d) 24/18, 13/11.

    There was no clear favourite and 13/5 was played.

    In fact, all four moves are within 0.010 equity points of each other so the decision should rest on your playing style and that of your opponent.

    Sometimes in backgammon there is no clearly correct play. This position is a good example of that concept.

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    3 comments

  • 2019 - Position 198

    XGID=-BCDa-D--b--bB-----bbb-ca-:1:1:1:00:0:0:3:0:10

    Money Play. Should Red redouble? If redoubled, should White take?

    I wouldn’t blame anybody for holding the cube here but technically this a redouble and a take.

    The take is very clear, but I think many would be surprised by the fact that this is a redouble. However, if Red is hit there will life after death in most instances.

    Move the spare checker on White’s 2-pt to his ace-point, giving White a four-point home board, then the position becomes a no double. Always remember to look at all four quadrants of the board when making doubling decisions.

    The key is to consider the redouble at all. Many would miss the opportunity.

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    2 comments

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Welcome to my blog of interesting backgammon positions.

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