"the player in question appears to be allowing quick draws in particular situations"
++ Maybe to reduce tournament load: number of simultaneous games.
The problem with this is it casts doubt on the games themselves.
How can we look at the tournament results and declare, "See the number of draws? This proves something about the nature of chess" - when some of the participants are, apparently, deliberately seeking such draws?
Risk mitigation appears to be tainting the evidence. We cannot declare that this is the strongest chess available, when some of the participants appear to be purposefully ending their games early.
This is the problem with having humans as part of the equation - they are, naturally, going to place their tournament standing as a priority, and will use individual games as a means to that end.
If we're seeking the objective truth about chess, we need to use evidence in which tournament strategy isn't a factor ...
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"This makes many of the draws in the ICCF WC suspect."
++ No. I do not see any possible improvement on any game.
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AND he's got a big red telephone.