Monthly Individual Rankings

September 2021

Problem of the Week


Rank Name Location Score
1 Florence Rollins Houston, TX, USA 28
2 Bill Mansfield North Boston, NY, USA 27
3 Cees Otto Oegstgeest, Netherlands 26
4 Patrick Costello Richmond, KY, USA 25
4 Jeff Sayah Jerusalem, Israel 25
4 Mario Skrtic Zagreb, Croatia 25
7 Reggie Blatz Columbus, OH, USA 22
7 Dordy Chrysanthemum San Francisco, CA, USA 22
9 Raymond Chrisman San Francisco, CA, USA 21
9 Sarah Hellman Louisville, KY, USA 21
9 Frank McGartland Saskatoon, Canada 21
9 Mike Schieffer Austin, TX, USA 21
13 Richard Atchley Bremerton, WA, USA 20
13 Arlon Georger Eden, NY, USA 20
13 Tom Hendricks Tifton, GA, USA 20
13 Dennis Muniz Huntington, NY, USA 20
17 Greg D'Entremont Quispamsis, Canada 19
17 Sergio Leonardi Houston, TX, USA 19
17 Carl Mungan Annapolis, MD, USA 19
17 Bob Rugaber Rushville, NY, USA 19
21 Jerrold Greenberg New York, NY, USA 18
21 Morris Leibov Poulsbo, WA, USA 18
21 Mitch Schieffer Austin, TX, USA 18
21 Jean-Guy Smith Sorel-Tracy, Canada 18
25 Collin Esposito Columbus, OH, USA 17
25 Steven Ferry Mermaid Beach, Australia 17
25 Sean Forbes Crest Hill, IL, USA 17
25 Henry Tran Houston, TX, USA 17
29 Diane Eagle Lubbock, TX, USA 16
29 Sergey Gleizer Perth Amboy, NJ, USA 16
31 Khalil Dagher Beirut, Lebanon 15
31 Matt Gillespie Chicago, IL, USA 15
31 Jason Smith Decatur, IL, USA 15
34 Jerome Cherry Mundare, Canada 14
34 Iqbal Shahid Karachi, Pakistan 14
36 Bassel Baker Beirut, Lebanon 13
36 Paul Larm Vancouver, Canada 13
36 Carlos Alberto Miranda Pantoja Manzanillo, Cuba 13
39 Fred Arrigoni Adairsville, GA, USA 12
39 Rintoo Divakaran Ernakulam, India 12
39 Michael Ling Vancouver, Canada 12
42 Dennis Doble Burlington, MA, USA 11
42 John Ellen Kure Beach, NC, USA 11
42 Giang Tran Houston, TX, USA 11
42 S Wolf North Haven, CT, USA 11
46 Mikel Brunner Medford, OR, USA 10
46 Chris Evert Sugar Land, TX, USA 10
46 Travis Krahn Rochester, MN, USA 10
46 Robert Siddon Annapolis, MD, USA 10
46 Betsy Siddon Brooklyn, NY, USA 10
51 Courtney Baker Lubbock, TX, USA 9
51 Tristan Goodman manchester, VT, USA 9
51 Debra Hastings Math Class Jackson, MS, USA 9
51 William MacLean Houston, TX, USA 9
51 Joseph Nelson Wailuku, HI, USA 9
51 Cody Rollins Puyallup, WA, USA 9
57 Bob Peters Tel Aviv, Israel 8
57 Jon Robert Dallas, TX, USA 8
59 Stuart Tao Calgary , Canada 7
60 Jason Barnes Chicago, IL, USA 6
60 Dan C. Vancouver, Canada 6
60 Phyllis Cormier Lubbock, TX, USA 6
60 Anurup Das Dhaka, Bangladesh 6
60 Math Goddess Belaire, TX, USA 6
60 James Haas San Francisco, CA, USA 6
60 Cabrel Ngueguim Yaoundé, Cameroon 6
60 Hung Nguyen Vinh, Nghệ An, Viet Nam 6
60 Isaiah Stuart Medford, OR, USA 6
60 Sean Tompkins St Louis, MO, USA 6
70 Graham Anderson Coochiemudlo Island, Australia 5
70 Dotted Calculator Ahmedabad, India 5
70 Ana Dy Manila, Philippines 5
70 Jeff Esposito Columbus, OH, USA 5
70 Joshua Fang South Pasadena, CA, USA 5
70 Steve Hnidei Windsor, Canada 5
70 Hussain Hussain Manama, Bahrain 5
70 Math Lover Jaipur, India 5
70 Vig O'Rous Chattanooga, TN, USA 5
70 Cedie Portes Lucena, Philippines 5
70 Charles Selph Hayes, VA, USA 5
70 Pwarzival T Carmichael, CA, USA 5
70 Justin Tsai Carmichael, CA, USA 5
70 Tyler Yuen Plymouth Meeting, PA, USA 5
84 Crispin Pereira Toronto, Canada 4
84 Nina S Brussels, Belgium 4
84 Harshil Sanklecha Ahmedabad, India 4