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Problem authors

Problem Source
Problems
Average Difficulty
Gordon V. Cormack464.9Medium
Graeme Kemkes12.9Medium
Graeme Zinck24Medium
Grayden Price34Medium
Greg Hamerly1063.6Medium
Gregor Behnke95.3Medium
Gregor Matl24.2Medium
Gregor Schwarz36.2Hard
Grzegorz Herman37.2Hard
Gu Jin37Hard
Gunnar Kreitz115.2Medium
Gustav Kalander96.3Hard
Gustav Matula14Medium
Gustav Nilsson Gisleskog55.9Hard
Hannes Kristján Hannesson422.7Easy
Hans Wennborg13.7Medium
Hao Guo14.1Medium
Haochen Chen45.6Hard
Harrison Fang22.6Easy
Harry Smit95.8Hard
Harry Zhang283.8Medium
Harry Zhou56.5Hard
Hazem Issa26.7Hard
Henrik Eriksson43.2Medium
Henry Huang76.4Hard
Henry Wang24.5Medium
Henry Xia46.3Hard
Hjalti Magnússon33.1Medium
Hlíf Arnbjargardóttir13.7Medium
Ho Lyun Jeong106.4Hard
Hon Man Hin36.2Hard
Honwi (Kenneth) Zhen15.9Hard
Honwi Zhen12.1Easy
Howard Cheng453.9Medium
Howard Whitston33Medium
Huang Xing Chen18.5Hard
Hubert Teo Hua Kian36.7Hard
Hugo Eberhard16.3Hard
Hugo Söderbergh32.2Easy
Hung Chun Ho17.9Hard
Håkan Strömberg12.3Easy
Hélène Verhaeghe12.5Easy
Ian DeHaan134.9Medium
Ian Munro12.9Medium
Ian Parrish15Medium
Ignas Kancleris16.2Hard
Igor Naverniouk17.2Hard
Ike Erdman11.4Easy
Illia Shkirko35.8Hard
Inda++1816.8Hard
Ioana Ilena18.5Hard
Irina Kostitsyna15.2Medium
Irvan Jahja85.9Hard
Isaac Arvestad43.9Medium
Isaac Chan13.2Medium
Isaac Lee66.3Hard
Ivan Fefer24.2Medium
Ivan Fever11.6Easy
Ivan Gaspardy14.4Medium
Ivan Katanić65.8Hard
Ivan Paljak75.2Medium
Ivona Bezakova86.2Hard
Ivona Bezáková14.2Medium
Ivor Page34.7Medium
Jaap Eldering55.7Hard
Jack Garner62.6Easy
Jack Golden15.3Medium
Jack Rosenthal92.8Medium
Jacob Merizia14Medium
Jacob Plachta34.7Medium
Jacob Skitsko16.8Hard
Jacob Zhang85Medium
Jacques-Henri Jourdan17.3Hard
Jaehyun Park17.4Hard
Jakob Israelsen24.3Medium
Jakob Krainz35.1Medium
Jakub Onufry Wojtaszczyk75.5Hard
Jakub Pachocki28.1Hard
Jakub Radoszewski15.3Medium
Jakub Tarnawski17.2Hard
Jakub Závodný18.2Hard
Jalal Almhana25Medium
James Feher52.6Easy
James Hughes15.2Medium
James R (Bob) Bradley12Easy
James Rettie17.6Hard
James Stanley13.2Medium
Jan Elffers45.4Medium
Jan Kuipers85.9Hard
Jan Stoklasa17.5Hard
Jannik Olbrich45Medium
Jared Lincenberg14.1Medium
Jasmin Studer14.3Medium
Jason Cannon43.2Medium
Jason Huang25.2Medium
Jason Liu34.4Medium
Jason Oliphant62.9Medium
Jason Pham13.6Medium
Javier Gómez Serrano36.2Hard
Jayden Pahukula42.3Easy
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