Monthly Individual Rankings

April 2023

Problem of the Week

Rank Name Location Score
1 Florence Rollins Houston, TX, USA 39
2 Jeff Sayah Jerusalem, Israel 33
3 Khalil Dagher Beirut, Lebanon 32
3 Mario Skrtic Zagreb, Croatia 32
5 Jean-Guy Smith Sorel-Tracy, Canada 31
6 Bill Mansfield North Boston, NY, USA 30
7 Bassel Baker Beirut, Lebanon 29
7 Sarah Hellman Louisville, KY, USA 29
7 Bob Rugaber Rushville, NY, USA 29
7 Mary Russo Deland, FL, United States 29
11 Peter Phipps Worcester, UK 28
12 Richard Atchley Bremerton, WA, USA 27
12 Patrick Costello Richmond, KY, USA 27
12 Tom Hendricks Tifton, GA, USA 27
12 Steve Hnidei Windsor, Canada 27
12 Frank McGartland Saskatoon, Canada 27
12 Carlos Alberto Miranda Pantoja Manzanillo, Cuba 27
12 Carl Mungan Annapolis, MD, USA 27
12 Dennis Muniz Huntington, NY, USA 27
12 Jason Smith Decatur, IL, USA 27
21 Raymond Chrisman San Francisco, CA, USA 26
21 Collin Esposito Columbus, OH, USA 26
21 Jeff Esposito Columbus, OH, USA 26
21 Sergio Leonardi Houston, TX, USA 26
21 Mike Schieffer Austin, TX, USA 26
26 James Duffy Gonzales, LA, USA 25
26 Morris Leibov Poulsbo, WA, USA 25
26 Michael Ling Vancouver, Canada 25
26 Iqbal Shahid Karachi, Pakistan 25
30 Reggie Blatz Columbus, OH, USA 24
30 Jerome Cherry Vegreville, Canada 24
32 Mia Chen South Pasadena, CA, USA 23
33 John Derikx Windsor, Canada 22
33 Rintoo Divakaran Ernakulam, India 22
33 Sean Forbes Crest Hill, IL, USA 22
33 Cedie Portes Lucena, Philippines 22
33 Jim Stein Stratford, CT, USA 22
38 Fred Arrigoni Adairsville, GA, USA 21
38 Mitch Schieffer Austin, TX, USA 21
40 Eric Erlandson Lincoln, NE, USA 20
40 Kevin Terry Tampa, FL, USA 20
42 Sam Vanhout Augusta , United States 19
43 Zoe Chen South Pasadena, CA, USA 18
43 Sergey Gleizer Perth Amboy, NJ, USA 18
45 S Wolf North Haven, CT, USA 17
46 Kevin Hall Columbus, OH, USA 16
46 Paul Larm Vancouver, Canada 16
46 Srikanth M Chennai , India 16
46 Bob Peters Tel Aviv, Israel 16
46 Ed Wilson Richmond, KY, USA 16
51 Kyle Chen Tainan, Taiwan 15
51 Steven Ferry Mermaid Beach, Australia 15
51 Matt Gillespie Chicago, IL, USA 15
51 Tristan Goodman manchester, VT, USA 15
51 Alicia Li South Pasadena, CA, United States 15
51 Darth Vader Vero Beach, FL, USA 15
57 Phyllis Cormier Lubbock, TX, USA 14
57 Joseph Nelson Wailuku, HI, USA 14
57 Mihir Tandon Grayslake, IL, USA 14
60 Eric Blom Pueblo, CO, USA 13
61 Chris Evert Sugar Land, TX, USA 12
61 Roopaum Mal Fremont, CA, USA 12
63 Jeff DeKoter Chatham, Canada 11
63 Dennis Doble Burlington, MA, USA 11
63 Margaret George Windsor, Canada 11
63 Jerrold Greenberg New York, NY, USA 11
67 Venugopal Bommareddy Bengaluru, India 9
67 John Ellen Kure Beach, NC, USA 9
67 Hamisi Jumanne Babati, Tanzania 9
67 David Li Honolulu, HI, USA 9
67 Isabelle Mi South Pasadena, CA, USA 9
72 Rishi Choubey Herndon, VA, USA 6
72 Gabriela Hernandez Rockford, United States of America 6
72 Tom Jones New York, United States 6
75 John Biala Chicago, IL, USA 5
75 Dan C. Vancouver, Canada 5
75 Tano Chun McLean, VA, USA 5
75 Anne Davis Los Angeles, CA, USA 5
75 Sawyer DeYoung Rockford, michagan, USA 5
75 Edward Freeman West Hartford, CT, USA 5
75 Bob Mitchell Normal, IL, USA 5
75 Kieran Slabbekoorn Rockford, MI, United States 5
75 Mustafa Tajammul lombard, illinois, USA 5
75 Hayden Weber Phoenix, AZ, USA 5
75 Lizzie Yates Houston, TX, USA 5
86 Ms. Naughton's 5th Graders San Rafael, CA, USA 4
86 Rimon Ahsan Jashore, Bangladesh 4
86 Abdullah Amir Karachi, Pakistan 4
86 Michael Cantatore East Rutherford, NJ, USA 4
86 Eugen Fostiak London, UK 4
86 Vishal Govindani Pune, India 4
86 Vlad Khalin Kharkiv, Ukraine 4
86 Vinoth M Sathyamangalam, India 4
86 Parker Postol Grayslake, IL, USA 4
86 Jason Pu San Diego, CA, USA 4
86 Theo Sittig Ventura, CA, USA 4
86 JJ Streem cartersville, america 4
86 Anika Varadharajan Dallas, TX, USA 4
86 Elizabeth Yates Houston, TX, USA 4