1. It appears that, except on the first move, no adjustment for the board position is being made. (In other words, the static valuation is raw score plus rack leave valuation.) Is that true? If so, are there plans to add board position adjustments in the future?
2. It seems that rack leaves are evaluated without regard to what remains in the bag. If so, are there plans to add adjustments in the future?
3. Once the game reaches a pure endgame, the static valuations change drastically, and almost every leave seems to have an extreme negative value. Is there a reason for that?
4. If there are more than one move tied for first place in static evaluation, does Quackle choose randomly among them? Does it choose moves any differently within a sim than within a game?
For today's interesting sims, I'm revisiting Kenji's famous WEBWEBV opening rack. 10,000+ TWL98 2-ply iterations give WEB 8G a 1.17-point advantage over exchanging seven (.72 in TWL06). A comparable Maven sim had an over 4-point advantage to WEB 8G. Part of the difference seems to be the static evaluations: Maven values BEVW at -5.1 and Quackle says -9.6. Of course, BEVW won't be left at the end of each iteration, but often something similarly ugly will be, and Maven will be more tolerant of that than Quackle. A 15,000-iteration 6-ply Quackle sim restores some of WEB's former sim glory, showing it 2.6 points ahead of x7, which appears to indicate that the true value of BEVW is somewhere between Maven's estimate and Quackle's. It initially looked a lot worse to me, as I'm sure it does to most players, but I think the key is that once you have any two of BVW, the third one doesn't do that much harm. You aren't going to bingo right away anyway, and though the third bad tile will add some to the process of clearing up the rack, it will also give you more scoring opportunities as you play through. Given that, it may make some sense that the best-simming play is actually WEB 8H (and 8F also outsims 8G): the funky placement may optimize the likelihood of using your remaining tiles for bigger scores.
All the best,
Jim Kramer __._,_.___
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