brabo wrote on 10/17/13 at 19:11:35:
If this guy doesn't exceed the timelimit then I don't know. How can you do that for each move if you have 20 or more games running?
Besides I really ask myself how high the electricitybill is for correspondence players using such extensive use of engines. I remember one of my friends telling me that the electricity bill went down with 50% once the stopped playing correspondence chess and in West Europe that is quite some money.
Nope, he doesn't. He simply removes the old root and creates a new root (starting from the move that his opponent did). And the IDeA starts to analyse from this new root position, but all the previously analysed lines are stored, so it just continues to dig deeper. Like there is a constant hash which is never deleted (in comparison to the infinite analysis).
And what is more, one can establish more than one root, for example: there are three (or more) lines which are promising. First they go smoothly but after 5 or 6 plys they distract in different variations. So, I put the first root after the move which my opponent made. Next I put three more roots in the three promising lines right after the undisputed (already approved and well-analysed) moves. Thus, one core/engine keeps on analysing and generating moves from the starting (root) position, while the other three ones start to generate/analyse moves from their starting points, somewehere along the three promising lines.
And yes, the electricity bill is one of the biggest problems in my country, here in eastern Europe, too.
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