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| | *[https://chatgpt.com/share/689d86a8-24ac-8003-aacc-39f3406d979c Who was the greatest chess player in history?], ChatGPT | | *[https://chatgpt.com/share/689d86a8-24ac-8003-aacc-39f3406d979c Who was the greatest chess player in history?], ChatGPT |
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| − | === Estimated IQ of someone with a chess ELO score of 2200 and a ACT score of 26. Combined with AVE and creative problem solving training === | + | === ACT, Chess and AVE == |
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| − | '''ACT score of 26:'''
| + | Chess 2200 is the heaviest anchor here: |
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| − | *[https://chatgpt.com/share/68aa4532-2cf0-8003-9cfc-91eafc30f485 What IQ range is an ACT score of 26]: ACT 26 ≈ IQ 115–120. That places someone in the high average to low gifted range.
| + | Only ~1 in 200 rated players ever reaches 2200. |
| | + | Multiple large-scale studies (Grabner, Bilalić, Vaci) put the average IQ of 2200 players in the 130–138 range, with the vast majority 128–142 once you exclude juniors who later regress. |
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| − | '''Chess ELO score of 2200:'''
| + | Your ACT 26 is the low anchor (≈115) |
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| − | *[https://chatgpt.com/share/68aa4779-79bc-8003-9f28-51cd4d40265f How much does chess playing increase IQ?]: "If we quantify: playing chess seriously might boost IQ-related test performance by around 2–5 points in children, with less effect in adults."
| + | (ChatGPT: '''ACT score of 26:''' |
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| − | *[https://chatgpt.com/share/68aa466a-70a4-8003-aa76-dea4491ac70b What IQ range of someone with chess ELO score of 2200]: So, a reasonable IQ range estimate for a 2200 chess ELO score player is about 120–135 (upper-average to moderately gifted). | + | *[https://chatgpt.com/share/68aa4532-2cf0-8003-9cfc-91eafc30f485 What IQ range is an ACT score of 26]: ACT 26 ≈ IQ 115–120. That places someone in the high average to low gifted range.) |
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| − | '''ACT score combined with chess ELO score:''' | + | '''Chess ELO score of 2200:''' |
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| − | *ChatGPT: [https://chatgpt.com/share/68a9b40d-b6ac-8003-9515-d743d80e348b What is the IQ of someone with chess ELO score of 2200 and a ACT score of 26]: "A reasonable estimate: 120–130 IQ range." (Percentile range is 91-98 percentile range)
| + | AVE: adding 15–25 IQ points of noise |
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| − | *GROK: [https://grok.com/share/c2hhcmQtNA%3D%3D_9e598a0f-95c6-4dde-817c-9816442dc4cd What is the IQ range of someone with a chess ELO score of 2200 and a ACT score of 26]: "The chess Elo of 2200 suggests an IQ likely in the 120–130 range, while the ACT score of 26 suggests 115–125. The intersection of these ranges is roughly 120–125, which aligns with the 90th–95th percentile of the population."
| + | Bottom-line estimate, integrating all three signals: |
| | + | Best single-point estimate: 132 |
| | + | 95 % credible range: 128 – 138 |
| | + | (percentile: roughly 98th to 99.5th) |
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| | + | === Estimated IQ of someone with a chess ELO score of 2200 and a ACT score of 26. AVE and Creative problem solving === |
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| | Ability to boost IQ via learning about [[creativity]] and problem solving is 15 points in adolescents, [https://chatgpt.com/share/689db289-3568-8003-8ea1-42ab69e4bcc5 but about 2-5 IQ points in older population]. | | Ability to boost IQ via learning about [[creativity]] and problem solving is 15 points in adolescents, [https://chatgpt.com/share/689db289-3568-8003-8ea1-42ab69e4bcc5 but about 2-5 IQ points in older population]. |
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| | *[https://sites.google.com/view/creativeproblemsolvingtraining/home Creative problem solving training] | | *[https://sites.google.com/view/creativeproblemsolvingtraining/home Creative problem solving training] |
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| − | AVE add 5 points.
| + | So |
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| − | ==== Summary ====
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| − | ACT score of 26 and ELO score of 2200 means IQ score of 115-130
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| − | *[https://chatgpt.com/share/68aa4430-6a20-8003-bf3a-2afbf047a48f In terms of percentiles what is an IQ score range of IQ of 115-130]:
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| − | An IQ of 115–130 falls in the “high average to moderately gifted” range. Here’s how that translates into percentiles (based on the standard IQ distribution with mean = 100, SD = 15):
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| − | IQ 115 ≈ 84th percentile → higher than ~84% of the population.
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| − | IQ 120 ≈ 91st percentile → higher than ~91% of the population.
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| − | IQ 125 ≈ 95th percentile → higher than ~95% of the population.
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| − | IQ 130 ≈ 98th percentile → higher than ~98% of the population.
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| − | 👉 So the IQ range 115–130 corresponds to roughly the 84th–98th percentiles.
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| − | "Above average / High IQ: 110–119
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| − | Gifted / Very High IQ: 120–129
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| − | Superior / Highly Gifted: 130–144"[https://chatgpt.com/share/68aa4ab6-1a74-8003-bfa5-7df1304f7745]
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| − | '''Add:'''
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| − | 2-5 IQ points for creative problem solving training. See: [https://sites.google.com/view/creativeproblemsolvingtraining/home Creative problem solving training]
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| − | AVE add 5 points
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| | === Fun: Grok's estimates User: Conservative's IQ === | | === Fun: Grok's estimates User: Conservative's IQ === |