• 1,000,000

    One person to this site last week had the honour of becoming the 1,000,000th visitor.

    Thank you to everybody who has visited the site over the last 6 years. I wasn't sure when I started "Position of the Day" how long it would run for but it seems to have a healthy audience so I intend to continue to write it until either I or the audoence tire of it.

    It has immeasurably improved my own game over the years. Problem 130 was from the 2018 Othello Quiz where I scored 7 out of 10, my highest ever score. That score is in no little part due to all the analysis I have done for this site.

    So, Happy Reading and Studying to one and all.

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  • 2019 - Position 131

    XGID=-a-b-cE-C--BdB---aBbb--A--:0:0:1:62:0:0:3:0:10

    Money Play. How should Red play 62?

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  • 2019 - Position 130

    XGID=-a-ABBB-BBA--A---abccbabB-:0:0:1:12:3:4:0:11:10

    Match Play. Red trails 3-4 to 11. How should Red play 21?

    This problem is taken from the 2018 Othello Quiz. The Quiz is set annually and is generally reckoned to be the most difficult quiz in the world. From time to time I will include some Othello problems from previous years.

    This is a question of technique and it is helpful if you have seen a problem like this before, which in my case I had, and so I got this one correct.

    Amy play other than 9/7, 8/7 is a double blunder or far worse. Red needs to play this position as a prime-versus-prime game. If he is not hit on White’s first roll, he will hope that White will crash by rolling large numbers. He must hold his ace-point anchor and stick to the p-v-p game plan.

    9/7, 8/7 makes him a favourite to win the game. Any other play loses at least 5% game winning chances.

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  • 2019 - Position 129

    XGID=--A--bEBB---bC---cbdB---b-:0:0:1:33:0:0:3:0:10

    Money Play. How should Red play 33?

    I failed the test here by playing 7/4(2), 6/3(2). This creates a strong board but disconnects the checkers.

    Red needs time to escape his rear checkers, preferably by throwing a double.

    The two plays 13/10(3), 6/3 and 13/10(2), 13/7 are identical in equity so take your pick. Incidentally both plays block White’s 55 which is certainly a positive.

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  • 2019 - Position 128

    XGID=ab-BBCBBA---bB---b-bbbb-A-:0:0:1:00:4:0:0:7:10

    Match Play. Red leads 4-0 to 7. Should Red double? If doubled, should White take?

    For money this is a huge double and a huge pass but the match score changes things dramatically.

    I was watching when Red doubled and White took very quickly. Of course White will be redoubling very swiftly if he gets an opportunity. In the game Red won a gammon and the match but were the cube actions correct?

    White was correct, it is a trivial take at this score. XG indicates no double by a very small margin – Red should play for an undoubled gammon.

    In practice I would always double this – you are going to get a lot of passes.

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