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BGonline.org Forums
Daily Quiz 3/16/11
Posted By: Chuck Bower In Response To: Daily Quiz 3/16/11 (Stick)
Date: Wednesday, 16 March 2011, at 5:53 p.m.
...It's possible you've seen them before.
'See' and 'remember' are far apart with me.
Problem 1 When I see this kind of position (centered live cube) I must force myself to look for the play that wins with the cube. The back checkers don't necessarily need to escape. I like the hit+shift: 11/9*, 3/2*(2).
Problem 2 6/5*, 13/11 is a feast or famine kind of play. However it does a couple good things when it works: It takes advantage of your (better) homeboard and it paves the way for negating opp's 18-point (which can't hurt you when you're on the bar). Other plays seem to take the slow road to the graveyard.
Problem 3 It's hard to out-time your opponent when your anchor/outpost is 5 pips deeper than his and you're not behind in the race. That (among other things) tells me to hit. Then you must decide whether or not to lift. More gammons (for both sides) if you don't, but there's so much ground to cover without cube access that I close my eyes and stay. 18/17*, 18/13.
Problem 4 I'm going to improvise here, so WARNING: don't try this at home. Trice position for sure, and Blondie's is easy: pipcount + 5.2 (call it 37 since who can use the extra precision here??) Brownie's takepoint is 39 and that means the redoubling point (for Blondie) is 38. 7n+1 for 9 checkers (5 rolls) is 36. Is there more wastage here than that? 2 points of wastage? 3? 4? Note only 5-5 and 6-6 are really working doublets. Penalizing 1/2 effective pip for each non-working doublet (this is the improvisation) and Brownie has 38. Maybe it's worse than that but I'll settle -- R+T.
Problem 5 Trivia question: who first said "when it looks like you're in a backgame, look for ways to get out of it?" (I don't know the answer to that.) Best way I see out of this one is tripling up on the 18-point -- 21/18, 21/18, 24/18.
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