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William Jackson (2023JACK04) has 31 nemeses in the world:

	WCA ID	Name
2012MCNE01: Jayden McNeill View WCA profile Head to head with 2023JACK04 See who I nemesize (273296)	2012MCNE01	Jayden McNeill	View Jayden McNeill's WCA profile	Compare Jayden McNeill with William Jackson
2013EGDA02: Martin Vædele Egdal View WCA profile Head to head with 2023JACK04 See who I nemesize (277859)	2013EGDA02	Martin Vædele Egdal	View Martin Vædele Egdal's WCA profile	Compare Martin Vædele Egdal with William Jackson
2013LANG03: Mason Langenderfer View WCA profile Head to head with 2023JACK04 See who I nemesize (272102)	2013LANG03	Mason Langenderfer	View Mason Langenderfer's WCA profile	Compare Mason Langenderfer with William Jackson
2013SAVA01: Harry Savage View WCA profile Head to head with 2023JACK04 See who I nemesize (274509)	2013SAVA01	Harry Savage	View Harry Savage's WCA profile	Compare Harry Savage with William Jackson
2014CHIC01: Christopher Chi View WCA profile Head to head with 2023JACK04 See who I nemesize (274773)	2014CHIC01	Christopher Chi	View Christopher Chi's WCA profile	Compare Christopher Chi with William Jackson
2014FRIT02: Oliver Fritz View WCA profile Head to head with 2023JACK04 See who I nemesize (276438)	2014FRIT02	Oliver Fritz	View Oliver Fritz's WCA profile	Compare Oliver Fritz with William Jackson
2014HOLU01: Lev Golub (Лев Голуб) View WCA profile Head to head with 2023JACK04 See who I nemesize (275329)	2014HOLU01	Lev Golub (Лев Голуб)	View Lev Golub (Лев Голуб)'s WCA profile	Compare Lev Golub (Лев Голуб) with William Jackson
2014MAUR06: Lorenzo Mauro View WCA profile Head to head with 2023JACK04 See who I nemesize (273849)	2014MAUR06	Lorenzo Mauro	View Lorenzo Mauro's WCA profile	Compare Lorenzo Mauro with William Jackson
2014SCHO02: Cale Schoon View WCA profile Head to head with 2023JACK04 See who I nemesize (269066)	2014SCHO02	Cale Schoon	View Cale Schoon's WCA profile	Compare Cale Schoon with William Jackson
2014SCHW02: Fabio Schwandt View WCA profile Head to head with 2023JACK04 See my nemeses (1) See who I nemesize (274693)	2014SCHW02	Fabio Schwandt	View Fabio Schwandt's WCA profile	Compare Fabio Schwandt with William Jackson
2015CHER07: Tommy Cherry View WCA profile Head to head with 2023JACK04 See who I nemesize (277637)	2015CHER07	Tommy Cherry	View Tommy Cherry's WCA profile	Compare Tommy Cherry with William Jackson
2015FUSH01: Firstian Fushada (符逢城) View WCA profile Head to head with 2023JACK04 See who I nemesize (277830)	2015FUSH01	Firstian Fushada (符逢城)	View Firstian Fushada (符逢城)'s WCA profile	Compare Firstian Fushada (符逢城) with William Jackson
2015GUNN01: Jakob Gunnarsson View WCA profile Head to head with 2023JACK04 See who I nemesize (274138)	2015GUNN01	Jakob Gunnarsson	View Jakob Gunnarsson's WCA profile	Compare Jakob Gunnarsson with William Jackson
2015KUCA01: Carter Kucala View WCA profile Head to head with 2023JACK04 See who I nemesize (277515)	2015KUCA01	Carter Kucala	View Carter Kucala's WCA profile	Compare Carter Kucala with William Jackson
2015MACK06: Zeke Mackay View WCA profile Head to head with 2023JACK04 See who I nemesize (277149)	2015MACK06	Zeke Mackay	View Zeke Mackay's WCA profile	Compare Zeke Mackay with William Jackson
2015QUAN03: Ng Jia Quan (黄佳铨) View WCA profile Head to head with 2023JACK04 See who I nemesize (277291)	2015QUAN03	Ng Jia Quan (黄佳铨)	View Ng Jia Quan (黄佳铨)'s WCA profile	Compare Ng Jia Quan (黄佳铨) with William Jackson
2015WITM01: Mattheo de Wit View WCA profile Head to head with 2023JACK04 See who I nemesize (275257)	2015WITM01	Mattheo de Wit	View Mattheo de Wit's WCA profile	Compare Mattheo de Wit with William Jackson
2016BARO04: Ben Baron View WCA profile Head to head with 2023JACK04 See who I nemesize (277569)	2016BARO04	Ben Baron	View Ben Baron's WCA profile	Compare Ben Baron with William Jackson
2016CHAP04: Stanley Chapel View WCA profile Head to head with 2023JACK04 See who I nemesize (277813)	2016CHAP04	Stanley Chapel	View Stanley Chapel's WCA profile	Compare Stanley Chapel with William Jackson
2016JENS09: William Jensen View WCA profile Head to head with 2023JACK04 See who I nemesize (276490)	2016JENS09	William Jensen	View William Jensen's WCA profile	Compare William Jensen with William Jackson
2016KELL12: Simon Kellum View WCA profile Head to head with 2023JACK04 See who I nemesize (274475)	2016KELL12	Simon Kellum	View Simon Kellum's WCA profile	Compare Simon Kellum with William Jackson
2016KRAF01: Noah Kraft View WCA profile Head to head with 2023JACK04 See who I nemesize (271689)	2016KRAF01	Noah Kraft	View Noah Kraft's WCA profile	Compare Noah Kraft with William Jackson
2016PILA03: Ryan Pilat View WCA profile Head to head with 2023JACK04 See who I nemesize (278138)	2016PILA03	Ryan Pilat	View Ryan Pilat's WCA profile	Compare Ryan Pilat with William Jackson
2016THOR08: Elvin Thorsen View WCA profile Head to head with 2023JACK04 See who I nemesize (273651)	2016THOR08	Elvin Thorsen	View Elvin Thorsen's WCA profile	Compare Elvin Thorsen with William Jackson
2017AGGA01: Sameer Aggarwal View WCA profile Head to head with 2023JACK04 See who I nemesize (276237)	2017AGGA01	Sameer Aggarwal	View Sameer Aggarwal's WCA profile	Compare Sameer Aggarwal with William Jackson
2017CHOI07: Kyeongmin Choi (최경민) View WCA profile Head to head with 2023JACK04 See who I nemesize (275486)	2017CHOI07	Kyeongmin Choi (최경민)	View Kyeongmin Choi (최경민)'s WCA profile	Compare Kyeongmin Choi (최경민) with William Jackson
2017GARR05: Luke Garrett View WCA profile Head to head with 2023JACK04 See who I nemesize (278223)	2017GARR05	Luke Garrett	View Luke Garrett's WCA profile	Compare Luke Garrett with William Jackson
2017SWOR01: Noah Swor View WCA profile Head to head with 2023JACK04 See who I nemesize (276923)	2017SWOR01	Noah Swor	View Noah Swor's WCA profile	Compare Noah Swor with William Jackson
2019MORG10: Danny Morgan View WCA profile Head to head with 2023JACK04 See who I nemesize (275608)	2019MORG10	Danny Morgan	View Danny Morgan's WCA profile	Compare Danny Morgan with William Jackson
2020MCDO01: Jack McDougall View WCA profile Head to head with 2023JACK04 See who I nemesize (274782)	2020MCDO01	Jack McDougall	View Jack McDougall's WCA profile	Compare Jack McDougall with William Jackson
2021ELIA01: Niklas Aasen Eliasson View WCA profile Head to head with 2023JACK04 See who I nemesize (276214)	2021ELIA01	Niklas Aasen Eliasson	View Niklas Aasen Eliasson's WCA profile	Compare Niklas Aasen Eliasson with William Jackson

Based on data export from 25th February 2026
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