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Individual Rankings

How are Rankings Calculated?

Rankings are calculated using a weekly point system. Each time a participant submits a correct answer to a current* problem they will receive:

  • 10 points for number 1 on a weekly list
  • 9 points for numbers 2 - 5
  • 8 points for numbers 6 - 10
  • 7 points for numbers 11 - 20
  • 6 points for numbers 21 - 40
  • 5 points for numbers 41 - 60
  • 4 points for numbers 61 - 80
  • 3 points for numbers 81 - 99
  • 2 points for numbers 100 - 199
  • 1 point for numbers 200+

Weekly points are added to the monthly and annual totals.

* Problems are considered current if they are less than 7 days old. Current problems begin 8am Central on Monday and expire at 7am Central the following Monday.

Displaying results for January, February, March, April, May, June, July, August, September, October, November, December, 2025 in categories: Problem of the Week

Rank User Location Score
1 Steve Hnidei Windsor, ON, Canada 260
2 Brady Wern Indianapolis, IN, USA 238
3 Mario Skrtic Zagreb, Croatia 233
4 Patrick Costello Richmond, KY, USA 227
5 Florence Rollins Houston, TX, USA 225
6 Mike Schieffer Austin, TX, USA 217
7 Jeff Sayah Jerusalem, M, Israel 214
7 Jeff Esposito Columbus, OH, USA 214
9 Iqbal Shahid Karachi, Sindh, Pakistan 208
10 Reggie Blatz Columbus, OH, USA 203
11 Carl Mungan Annapolis, MD, USA 199
12 Sarah Hellman Louisville, KY, USA 198
13 Carlos Alberto Miranda Pantoja Manzanillo, Granma, Cuba 197
13 James Duffy Gonzales, LA, USA 197
15 Greg D'Entremont Quispamsis, New Brunswick, Canada 195
16 Collin Esposito Columbus, OH, USA 192
16 Bob Rugaber Rushville, NY, USA 192
16 Peter Phipps Worcester, UK 192
19 Jean-Guy Smith Sorel-Tracy, QC, Canada 191
20 Morris Leibov Poulsbo, WA, USA 187
20 Dave Loy Eureka, MT, USA 187
22 Khalil Dagher Beirut, Mount Lebanon, Lebanon 183
23 Mary Russo Deland, FL, United States 178
24 Richard Atchley Bremerton, WA, USA 176
25 Jeff DeKoter Chatham, ON, Canada 173
26 Michael Ling Vancouver, BC, Canada 169
26 Raymond Chrisman San Francisco, CA, USA 169
28 Jason Smith Decatur, IL, USA 168
29 Bassel Baker Beirut, Lebanon, Lebanon 167
29 Paul Larm Vancouver, BC, Canada 167
31 Sergio Leonardi Houston, TX, USA 164
31 Eric Erlandson Lincoln, NE, USA 164
31 Mitch Schieffer Austin, TX, USA 164
34 Sergey Gleizer Perth Amboy, NJ, USA 160
35 Steven Ferry Elanora, QLD, Australia 158
35 John Derikx Windsor, ON, Canada 158
37 Frank McGartland Saskatoon, SK, Canada 157
37 Sean Forbes Crest Hill, IL, USA 157
39 Dan C. Vancouver, BC, Canada 138
40 Fred Arrigoni Adairsville, GA, USA 137
41 Michael Cantatore East Rutherford, NJ, USA 135
41 Kevin Terry Tampa, FL, USA 135
43 Clay Foster Austin, TX, USA 133
44 Rintoo Divakaran Ernakulam, KL, India 124
45 Bill Mansfield North Boston, NY, USA 122
46 Ed Wilson Richmond, KY, USA 112
47 Sherry Wolf North Haven, CT, USA 106
48 Jim Stein Stratford, CT, USA 105
49 Parth K Mumbai, Maharashtra, India 102
50 Jerrold Greenberg New York, NY, USA 100
51 Chris Evert Sugar Land, TX, USA 98
52 Mia Chen South Pasadena, CA, USA 94
53 Dream N Bangkok, Thailand 91
54 Phyllis Cormier Lubbock, TX, USA 87
55 nexic turbo Cedar Creek, Texas, United States 81
56 Angel Akhilomen Richardson, TX, United States 78
57 Kaleb Dye Gainesville, Georgia, United States 75
58 Maya Salama-Caro NYC, New York, United States 74
59 Noah Parent Tecumseh, Ontario, Canada 72
59 Kevin Hall Columbus, OH, USA 72
61 precious Akhilomen Richardson, TX, usa 67
62 Tristan Goodman manchester, VT, USA 59
62 Kevin Hall Columbus, OH, United States 59
64 Praveen Kumar visakhapatnam, Andhara Pradesh, India 58
65 Joseph Nelson Wailuku, HI, USA 56
66 Abraham Daramola AKURE, ONDO STATE, Nigeria 54
67 Edward Freeman West Hartford, CT, USA 53
68 Yanyu He Houston, TX, USA 51
68 Declan Obioma Newry, Northern Ireland, United Kingdom 51
68 Robert Jordan 51
71 Noah Chessler New York, New York, United States 50
71 Jack Steinberg New York, New York, United States of America 50
71 Perry Knafo New York, NY, USA 50
74 Frank Stern Shelton, Connecticut, United States 49
75 Mihir Tandon Grayslake, IL, USA 48
76 John O'Keefe MOUNTAIN VIEW, CA, United States 46
77 Yonatan Halevy Englewood, NJ, USA 45
78 Stuart Tao Calgary , AB, Canada 44
79 Holly Saye Eureka, MT, USA 42
80 Scott Witkowsky Canon City, CO, USA 41
80 Edward Lopez Drop Out City, Texas, USA 41
80 John Ellen Kure Beach, NC, USA 41
83 Roman Sány Bánovce nad Bebravou, Trenčiansky kraj, Slovakia 39
83 Rebecca Chu Taipei, Taiwan, Taiwan 39
85 Anne Davis Los Angeles, CA, US 38
86 Murtuza Iqbal San Jose, California, America 37
87 Daniel Senecal Montreal, QC, Canada 35
88 Lulu Silber New York, NY, USA 34
89 Szabolcs Hever kecskemet, FE, hungary 33
89 Ella Schlessinger Manhattan, NY, USA 33
91 Yair Cohen New York, New York, United States 31
91 Amudhan Aroul Ottawa, Ontario, Canada 31
93 Andrea Battistoni Rome, Lazio, Italy 30
93 Zach Teo ottawa, ontario, canada 30
95 Cassie Oleniacz Marlton, NJ, USA 29
96 Tin Lam Saint Louis, MO, USA 28
96 Maurice Gnarl Stevenson Johns Creek, Georgia, United States 28
98 Seraphine Penso Manhattan, NY, USA 27
99 Suneeta Mishra Indore, Madhya Pradesh, India 25
99 Brian Ngiju Sworo Kampala, Central, Uganda 25
101 Anni Green new york, new york, united states 24
101 Dennis Doble Burlington, MA, USA 24
103 Alejandro Lorite Jaen, Andalusia, Spain 22
104 Abdelilah Hati Azemmour, El jadida, Maroc 20
104 Harshil M. Chennai, Tamil Nadu, India 20
106 Cees Otto Oegstgeest, Zuid-Holland, Netherlands 19
106 Ephraim Teketel Shinshicho, Central Ethiopia, Ethiopia 19
106 B B Avon, IN, USA 19
109 Parker Postol Grayslake, IL, USA 18
109 Shlok Shah Nairobi, Nairobi, Kenya 18
111 Bella Kalimian Manhattan, NY, USA 17
111 Ellie Cohen-Mintz Manhattan, NY, USA 17
111 Sophie Hammerschlag Manhattan, NY, USA 17
114 JEREMIAH ITCHAGBE Lagos, LA, NIGERIAN 16
115 Luke Zhang Lakeville, Minnesota, USA 14
115 Z A London, UK 14
115 Momo Saito Taicung, Central Taiwan, Taiwan 14
115 Julia Hammerschlag Manhattan, NY, USA 14
115 Owen Fish Columbus, Ohio, USA 14
115 Nguyen Duc Binh Hanoi, Ho Tung Mau, Vietnam 14
121 Thiago Estrela Montenegro São Paulo, SP, Brasil 13
121 Isaac Podhoretz Manhattan, NY, USA 13
121 Abel Samuel Shinshicho, Central Ethiopia, Ethiopia 13
121 Bedis Benlakhdar Rades , Ben Arous, Tunisia 13
125 Justin Thomas Newcastle, Tyne, United Kingdom 12
125 Break Ciciron Dakar, DK, Senegal 12
125 aaa aaa montreal, quebec, canada 12
125 Sabarni Paul kolkata, West Bengal, India 12
125 Isabelle Mi Barcelona, Catalunya, Spain 12
125 Rw Hodgins London, Ontario, Canada 12
131 Manav Mishra Hyderabad, Telangana, India 11
131 Riddhi Jain 11
131 Houston Hayes Eureka, Montana, United States 11
131 Alan Cabrera Baruch Corregidora, Querétaro de Arteaga, México 11
135 Eitan Bergman-Dardick New York, NY, United States 10
135 pebby zzz Hurghada, Red Sea, Egypt 10
135 Mfoniso Sylvester Abak, Akwa Ibom State, Nigeria 10
135 Rishab Jain Lakeville, Minnesota, United States of America 10
135 Leo Luke Adjud, Vrancea, Romania 10
135 Ehsan Ismail Kampala, Kampala, Uganda 10
135 Jocelyn Holland Pasadena, CA, United States 10
135 Tutor Japan Tokyo, Tokyo, Japan 10
135 Cynthia Sloan Austin, TX, USA 10
144 Kyle Chen Tainan, Taiwan 9
144 Atizaz Ahmed Rawalpindi, Punjab, Pakistan 9
144 Ashton Maffett Pontotoc, MS, U.S.A. 9
144 Abigail Siderow New York, New York, United States 9
144 Jashanpreet Kaur Chahal Brampton, State, Canada 9
144 Qamalek Lalek 9
144 Nathaniel Rodriguez East Brunswick, New Jersey, United States 9
144 Diego Garcia Spain 9
152 cool guy asf, adqd, united states 8
152 Samiul Karim Rajshahi, Rajshahi, Bangladesh 8
152 Nicole Dong Ann Arbor, Michigan, United States 8
152 Ian Du Pittsburgh, Pennsylvania, United States 8
152 Lui B 8
152 Ni Chang Calgary, Alberta, Canada 8
152 Robert Siddon Annapolis, MD, USA 8
152 Leslie Yep Atlanta, GA, United States 8
160 Saxon Sauvey Box hill north, Vic, Australia 7
160 Jamal Coleman Montreal, Quebec, Canada 7
160 Carmelo Calabro Vaughan, ON, Canada 7
163 Travis Krahn Rochester, MN, USA 6
163 Benjamin Hughes Eureka, Montana, United States 6
163 Tom Jones New York, United States 6
163 joe smith Stamford, CT, United States 6
163 João Paulo V. F. Fortaleza, Ceará, Brasil 6
163 Elijah F Caseyville, Illinois, United States 6
163 Team 1 Cs, B, United States 6
163 Eli May 6
163 suhyun bae vatican, holy, vatican 6
163 Aidan amcam Goshen, Kentucky, United States of America 6
163 Manoj Kumar Bhadra, Hanumangarh, Rajasthan, India 6
163 PJ Abramson New York, New York, USA 6
175 Ayoub El bendali Souk sebt, Fkih bensaleh, Morocco 5
175 Aiswarya Satish Ernakulam, Kerala, India 5
175 Toban Harnish Lebanon, PA, United States 5
175 Alivia Jones barboo, wisconsin, america 5
175 Lucas Edwards Bargersville, IN, United States 5
175 Eli Culbertson Baraboo, Wisconsin, United States 5
175 Sardor Rasulov Tashkent, Tashkent, Uzbekistan 5
175 ret baz 5
175 Chr Z NY, NY, Greece 5
175 Aidan Waters Hendersonville, Tennessee, USA 5
175 Ashley Jacobs Newburgh, IN, United States 5
175 Tyler Whitaker Oxford, Mississippi, United States 5
175 Emma Mask Oxford, MS, United States 5
175 Ahmad Zakim Machang, Kelantan, Malaysia 5
175 colm godwin winthrop, WASHINGTON, Usa 5
175 Pratul Saini San Mateo, CA, United States 5
175 Mary Mart 5
175 Alex Chan 5
175 No Body Nowhere, Nowhere, Nowhere 5
175 Teresa Norris Mount Savage, USA 5
175 Danni Jankelson New York, NY, United States of America 5
175 Ayoub Ben Hadj Ali Sfax, Sakkiet ezziet, Tunisia 5
175 Nathaniel Park San Francisco, California, United States 5
175 Yura Mishchuk Rivne, Ukraine 5
175 Mahbubur Rahman Durlov Dhaka , Bangladesh 5
175 Owen Schmidt Olathe, KS, USA 5
175 Robert Covit New york, Ny, USA 5
175 Oleksii Diachenko Frederick, MD, USA 5
175 Michael Aurelius München, Ger, Germany 5
175 Linh Nguyen 5
175 Pedro Oliveira 5
175 Ben Dekoter Chatham, ON, Canada 5
175 Maxwell Dickson American Fork, UT, United States 5
175 Michael Kaiser Munich, Germany, Germany 5
175 Robert Murray COPPER CENTER, Alaska, USA 5
175 Mailen Pochettino Landeta, Santa Fe, Argentina 5
175 Patty Keefe Grayslake, IL, USA 5
175 Lucas Edwards Bargersville, IN, United States 5
175 kaiser yagami 5
175 Ruby Tepper Manhattan, NY, USA 5
175 Vo Minh Ha Noi, HN, Viet Nam 5
175 Adam Martin 5
175 Aroosa Shakil Islamabad, Pakistan 5
175 Damien Wrench Highfields, Queensland, Australia 5
175 Takia Binte Enam Gazipur, Dhaka, Bangladesh 5
175 Som Za Delhi, Delhi, India 5
175 Waleed Ahmed Gad Mekhemar Biala, Kafer alshikh, مصر 5
175 Avdhesh Kumar Mahawar Dausa, Rajasthan, India 5
175 Alexei Potter XXXXXXXXXX, CT, United States 5
175 Martin Paul Nairobi, Nairobi, Kenya 5
175 Hansana W.M. Anacapri, Campania, Italy 5
175 a b Washington DC, Ohio, Malta 5
175 Hans Hellner Stockholm, Sweden 5
175 Rob Brady McLean, VA, USA 5
175 Elan Suttiratana Stamford, CT, United States 5
175 victoria okafor lagos, delta state, Nigeria 5
175 Eric Cabós tarragona, Catalonia, Spain 5
232 Emi Yumori South Pasadena, CA, USA 4
232 Ali Kavaklı Istanbul, Sisli, Turkiye 4
232 Ashita Agarwal Singapore, South East Asia, Singapore 4
232 Marcuzzu Mirqury Metro Manila, NCR, Philippines 4
232 Sri Hari Krishna Hyderabad, Telangana, India 4
232 Math Math N/A, N/A, N/A 4
232 Dr Joxide Zarahemla, The Nephite Lands, Central/South America 4
232 Oliver Cho 4
232 Sam Vanhout Augusta , Maine , United States 4
232 Kristina Clark Lakeville, MN, USA 4
232 Erin Mahon Thousand Oaks, California, United States 4
232 Divit Sharma Mountain House, California, America 4
232 Calvin Ippensen Cartersville, Georgia, United States of America 4
232 Chandan Chatarjee Pirojpur, Barishal, Bangladesh 4
232 Rishi Vithlani Great Neck, New York, United States 4
232 Rudeus Greyrat Istanbul, Turkey 4
232 Olaedo Nweze abakaliki, ebonyi, nigeria 4
232 ed Kerekes Gallatin, Tennessee, United States 4
232 Abel Wade Ukarumpa, EHP, Papua New Guinea 4
232 Arijey Chaporkar Shelby Township, Michigan, United States 4
232 ayush r.singh visakhapatnam, andhra pradesh, india 4
232 Bohdan Temnik Zwolle, Gelderland, Netherlands 4
232 Tabassum Akter Mithila Cumilla, Bangladesh, Bangladesh 4
232 Grayson Krause Athens, GA, US 4
232 Jane Lozano Austin, Texas, USA 4
232 Calli Hull St. Louis, MO, USA 4
232 Kacey King Oxford, Mississippi, United States 4
232 Madeline Malone Oxford, MS, United States 4
232 Benjamin Chen 4
232 José Martínez Donostia - San Sebastián, Gipuzkoa, Spain 4
232 MD. KASHEM MOLLA 4
232 Karol Matyka Wrocław, Dolnośląskie, Poland 4
232 Daniel Agatan Jakarta, Indonesia 4
232 Tahmeed Bhuiyan Naas, Co. Kildare, Ireland 4
232 Jacob Limdon Ft Wayne, IN, United States 4
232 Aiden Ng Kuala Lumpur, Kuala Lumpur, Malaysia 4
232 Saul Sapadin New York, New York, United States 4
232 Mk Mk Haha, Nice try, Pff 4
232 Nawshad Shaheed Osama Tangail, Dhaka, Bangladesh 4
232 Hanah Rahman Redwood City, CA, United States 4
232 Finn S CA, United States of America 4
232 Melvin Mugambi Nairobi, Nairobi, Kenya 4
232 NOMENJANAHARY Mahery Tiavina Antananarivo, Soalandy, Madagascar 4
232 Nathanel Fetene Atlanta, Georgia, USA 4
232 Ayden Olic Wellington, Ohio, United States 4
232 Axel Sirait Medan, Sumatera Utara, Indonesia 4
232 reigns lesnar machakos, mlolongo, kenya 4
232 Park EPP Worthington, OH, USA 4
232 Oreo Plushie Dubai, Dubai, UAE 4
232 Laura Pennington Portage, MI, US 4
232 Rube Van Uythem Belgium 4
232 Adam Flack Effingham, IL, United States 4
232 Deepanshu Sharma Mohali, Punjab, India 4
232 Silverio Perez Lerdo, Durango, Mexico 4
232 Arsemawit Girma Bahirdar, Amhara, Ethiopia 4
232 Brian Onyango Nairobi City, Nairobi, Kenya 4
232 Jayden Latema Nairobi city, Machakos Mavoko sub county, Kenya 4
232 Othman AlRasheed Riyadh, Riyadh, Saudi Arabia 4
232 Aayan Shaikh Lahore, Punjab, Pakistan 4
232 Isaac Gabriel Gatineau, QC, Canada 4
232 Varun Puttagunta Frisco, TX, United States 4
232 Lark Kun Singapore, Singapore, Singapore 4
294 Julie Chin Walpole, MA, United States 3
294 Kim Kiekens Leuven, Belgium 3
294 kyoen Yao Guangdong, 中国 3
294 Keziah Elizabeth Mathai London, England, Southwark 3
294 Nevaan Shah Gooberland, The Moon, The United Republic of Potatoes 3
294 Corné Geyer Aurora, western cape, South Africa 3
294 Sean Chen Taipei, Taiwan, Taiwan 3
301 Ashton K Australia 2