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Tough cube in Pittsburgh chouette

Posted By: Timothy Chow
Date: Sunday, 19 February 2012, at 9:05 p.m.

In Response To: Tough cube in Pittsburgh chouette (Daniel Murphy)

Daniel wrote:

You mentioned some -- 66, 44/miss, 33/miss, 65/miss, 64/miss, 63/miss -- that seem to make Blue too good.

It's possible that you already understand the point that I was making, but your remark here makes me uncertain, so at the risk of belaboring the point, let me try to explain it again.

Forget about the particular position here for a moment. Suppose I'm trying to decide whether to double. I therefore look for market losers and market freezers, and try to figure out which counts for more equity.

The point is that market losers aren't just those sequences that lead to D/P. Market losers are sequences after which the D/T equity is higher than both the D/P and ND equities. In particular, if, after some particular sequence, you happen to be TG (i.e., the ND equity is higher than the D/P equity), it can still be a market loser if the D/T equity is higher still.

More succinctly, you lose your market as long as you can't find a buyer, regardless of whether you're willing to sell.

The point is that in such situations, you still lost something on the previous turn by failing to double. Though you currently prefer to play on rather than cash, you would be even happier if your opponent were holding the cube now.

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