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END:STANDARD BEGIN:STANDARD TZNAME:GMT TZOFFSETFROM:+0000 TZOFFSETTO:+0000 DTSTART:19960101T000000 END:STANDARD BEGIN:STANDARD TZNAME:GMT TZOFFSETFROM:+0100 TZOFFSETTO:+0000 DTSTART:19961027T020000 RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU END:STANDARD END:VTIMEZONE BEGIN:VEVENT DTSTAMP:20260609T191412Z DTSTART;VALUE=DATE-TIME:20260528T140000 DTEND;VALUE=DATE-TIME:20260528T150000 SUMMARY:CRiSM colloquium - Nicholas Polson TZID:Europe/London UID:20260528-8ac672c69c8a6b40019c8f08bc590b26@warwick.ac.uk CREATED:20260507T114340Z DESCRIPTION:Chess has long been a proving ground for AI and statistical r easoning. This talk takes a Bayesian look at two recent flashpoints in e lite play. The centerpiece is joint work with Shiva Maharaj (Chess Ed) a nd Vadim Sokolov (George Mason) on the 2023 Kramnik–Nakamura controversy \, in which former world champion Vladimir Kramnik publicly questioned H ikaru Nakamura’s 45.5 out of 46 streak in 3+0 online blitz on chess.com. Combining Anand’s prior on the prevalence of online cheating with the s treak evidence\, we compute a posterior of roughly 99.6% that Nakamura d id not cheat. The case study illustrates two classic fallacies — the Pro secutor’s Fallacy on Kramnik’s side\, and a misuse of cherry-picking tha t violates the likelihood principle on Nakamura’s side — and connects to the broader literature on fraud detection and streaks in sports. I will then survey related work with the same group: a Brownian-motion model f or the probability that Magnus Carlsen reaches an Elo of 2900 and its im plications for the K-factor\; a neural-network valuation of (piece\, squ are) combinations\; and a comparison of Stockfish and Leela Chess Zero a s competing paradigms — handcrafted search versus deep reinforcement lea rning — through Plaskett’s endgame study. LOCATION:MB0.07 CATEGORIES:Colloquium,CRiSM LAST-MODIFIED:20260507T114340Z ORGANIZER;CN=Kathrin Schutrumpf: END:VEVENT BEGIN:VEVENT DTSTAMP:20260609T191412Z DTSTART;VALUE=DATE-TIME:20260610T140000 DTEND;VALUE=DATE-TIME:20260610T150000 SUMMARY:CRiSM colloquium - Bin Yu TZID:Europe/London UID:20260610-8ac672c69c8a6b40019c8f143d1e0cba@warwick.ac.uk CREATED:20260224T095634Z DESCRIPTION:tbc LOCATION:B3.03 URL:/fac/sci/statistics/news/crismcolloquium/ ATTACH:/fac/sci/statistics/news/crismcolloquium/ CATEGORIES:Colloquium,CRiSM LAST-MODIFIED:20260224T095634Z ORGANIZER;CN=Kathrin Schutrumpf: END:VEVENT END:VCALENDAR