Monthly Individual Rankings

January 2021

Daily Math Challenge


Rank Name Location Score
1 Matt Gillespie Chicago, IL, USA 133
2 Richard Atchley Bremerton, WA, USA 130
3 Mike Schieffer Austin, TX, USA 128
3 Mario Skrtic Zagreb, Croatia 128
3 Jean-Guy Smith Sorel-Tracy, Canada 128
6 Dordy Chrysanthemum San Francisco, CA, USA 125
7 Tom Hendricks Tifton, GA, USA 123
7 Florence Rollins Houston, TX, USA 123
7 Robert Siddon Annapolis, MD, USA 123
10 Pavel Gushchin Chelyabinsk, Russia 120
10 Mihir Tandon Grayslake, IL, USA 120
12 Sarah Hellman Louisville, KY, USA 119
13 Bassel Baker Beirut, Lebanon 118
14 Khalil Dagher Beirut, Lebanon 117
15 Patrick Costello Richmond, KY, USA 115
16 Samuel Elias Ciudad Victoria, Mexico 114
17 Isabela Loredo :D Potente Cd Victoria , Mexico 112
18 Raymond Chrisman San Francisco, CA, USA 111
18 Frank McGartland Saskatoon, Canada 111
20 Chris Evert Sugar Land, TX, USA 110
20 Arlon Georger Eden, NY, USA 110
20 Michael Li St. Louis, MO, USA 110
23 Bill Mansfield North Boston, NY, USA 108
24 Mrinal Agarwal Dublin, CA, USA 107
24 Greg D'Entremont Quispamsis, Canada 107
26 Carlos Alberto Miranda Pantoja Manzanillo, Cuba 106
26 Iqbal Shahid Karachi, Pakistan 106
28 Maulik Rastogi Dublin, CA, USA 104
28 Bob Rugaber Rushville, NY, USA 104
30 Sergio Leonardi Houston, TX, USA 101
31 Jerome Cherry Mundare, Canada 99
32 Jason Smith Decatur, IL, USA 98
33 Salehe Mzava Kilimanjaro, Tanzania 96
34 Betsy Siddon Brooklyn, NY, USA 95
34 Ricardo Torres Ciudad Victoria, Mexico 95
36 Sean Forbes Crest Hill, IL, USA 92
36 Ed Wilson Richmond, KY, USA 92
38 Morris Leibov Poulsbo, WA, USA 91
39 Sergey Gleizer Perth Amboy, NJ, USA 89
40 Doug Massey Weaverville, NC, USA 88
41 Steven Ferry Mermaid Beach, Australia 87
42 Henry Tran Houston, TX, USA 86
43 Mitch Schieffer Austin, TX, USA 85
44 Phyllis Cormier Lubbock, TX, USA 81
45 Anurup Das Dhaka, Bangladesh 80
46 Jerrold Greenberg New York, NY, USA 79
47 James Haas San Francisco, CA, USA 77
48 BIDISHA CHAKRABORTY Kolkata, INDIA 72
49 Diane Eagle Lubbock, TX, USA 71
49 Hamisi Jumanne Morogoro, Tanzania 71
51 Tristan Goodman manchester, VT, USA 70
51 Ceaser Kabila Livingston, Zambia 70
53 Michael Cantatore East Rutherford, NJ, USA 69
53 Paul Larm Vancouver, Canada 69
55 Dennis Doble Burlington, MA, USA 67
56 Cees Otto Oegstgeest, Netherlands 62
57 Manoj Kumar Bhadra, Rajasthan, India 61
58 Tim Poe Puerto Vallarta, Mexico 60
58 Aryu Reddy San Francisco, CA, USA 60
60 Crispin Pereira Toronto, Canada 59
61 Bob Mitchell Normal, IL, USA 54
62 Daniel Škrtić Zagreb, Croatia 51
63 Giang Tran Houston, TX, USA 50
64 May Wong San Francisco, CA, USA 49
65 Angel Zheng East Amherst, NY, USA 45
66 Bob The Builder Dublin, CA, USA 44
67 Mikel Brunner Medford, OR, USA 40
68 Dênis Silva Oliveira Joinville , Brazil 37
69 Ben Tell Hood River, OR, USA 32
70 Fred Arrigoni Adairsville, GA, USA 31
70 Bedis Benlakhdar Rades , Tunisia 31
72 Ima Banker San Francisco, CA, USA 30
72 Wensy Perez Atlanta, GA, USA 30
74 Jamie Grim Oakley, CA, USA 28
75 Aapeksh Tyagi Saharanpur, India 26
75 Thomas Workman Medford, OR, USA 26
77 Ximena Pineda Guatemala City, Mixco 25
77 PRASHIK SHENDE NAGPUR, India 25
77 Aaron Ye San Diego, CA, USA 25
80 Abdelwahab Abdelhameed Cairo, Egypt 24
81 Maulik Rastogi Dublin, CA, USA 23
82 Zlatko Brkljaca Zagreb, Croatia 22
83 Kwadwo Adomako Dwamena Kumasi, Ghana 21
83 Archisman Nandy Kharagpur, India 21
85 Pranav Chandar Evansville, IN, USA 20
85 Chris Fox Norwalk, CT, USA 20
85 Charles Selph Hayes, VA, USA 20
88 Mathew Chethimattom Columbus, GA, USA 17
88 Brent Hurlas Brooklyn, NY, USA 17
90 Patrice Mudimu Marlborough , Zimbabwe 16
90 Atharv Upadhyay Pleasanton, CA, USA 16
92 Amya Ceetherum San Francisco, CA, USA 15
92 Michael Ling Vancouver, Canada 15
92 Jimmy Rong San Diego, CA, USA 15
92 Noah Theobald Aiken, SC, USA 15
96 Riyana Malhotra San Ramon, CA, USA 14
96 Pratibha Malhotra Delhi, India 14
96 Joseph Nelson Wailuku, HI, USA 14
96 Jason Pu San Diego, CA, USA 14
100 Anil Byar Kathmandu , Nepal 13
100 S Wolf North Haven, CT, USA 13
102 Hyteshk K Crypton, FL, USA 12
103 Oliver Di-Marcello Bolton, UK 11
103 Jack Hanling Augusta, GA, USA 11
105 Park EPP Worthington, OH, USA 10
105 Wensy Perez NY, NY, USA 10
105 Parker Postol Grayslake, IL, USA 10
108 Tiger Han San Diego, CA, USA 9
109 MW Budge Los Alamos, NM, USA 8
109 Lucy Ling Vancouver, Canada 8
109 Juan Pina Lubbock, TX, USA 8
109 Vedanth Pothina San Ramon, CA, USA 8
109 Loise Antonitte Suyat Culasi, Philippines 8
109 Lylia Z San Diego, CA, USA 8
109 Jie Zhou New Haven, CT, USA 8
116 Rohan Dipesh Columbus, OH, USA 7
117 Mrinal Agarwal Dublin, CA, USA 6
117 Basil Kilisav Rochester, NY, USA 6
119 Sophie B Weaverville, NC, USA 5
119 Jason Barnes Chicago, IL, USA 5
119 Katsumi CBDBC San Francisco, CA, USA 5
119 TIm Dyer San Francisco, CA, USA 5
119 Travis Krahn Rochester, MN, USA 5
119 Jacey Martinez Lubbock , TX, USA 5
119 Saeed Nemati Sutton, UK 5
119 Marcus Neulander Towson, MD, USA 5
119 SOCHIKAIMA EMMANUELLA ORAMAEZE Port Harcourt, Nigeria 5
119 T P Marietta, GA, USA 5
119 Jacob Q Weaverville, NC, USA 5
119 Nadia Silva São Paulo, Brasil 5
119 Dylan Waddle Lubbock, TX, USA 5
119 George Wilson Cairo, Egypt 5
119 Andy Zheng East Amherst, NY, USA 5
119 Angel Zheng East Amherst, NY, USA 5
135 Hackerunit 2099 San Diego, CA, USA 4
135 Abdullah Farhan Arefin Dhaka, Bangladesh 4
135 Sienna C Weaverville, NC, USA 4
135 John Dall New York, NY, USA 4
135 Danupon Drake Wilmington, NC, USA 4
135 Dan Drake (Wolfy) Wilmington, NC, USA 4
135 Daniel Ferreira Barcelos, Portugal 4
135 Riley Harding Athens, GA, USA 4
135 Aahana Jaiswal San Diego, CA, USA 4
135 Mariam Kasradze Tbilisi, Georgia 4
135 Krishiv Kothari Overland Park, KS, USA 4
135 Nisrine Kurdi Beirut, LEBANON 4
135 Aadarsh Lakshmanan Charlotte, NC, USA 4
135 Ryan Li San Diego, CA, USA 4
135 Aiden Liu San Diego, CA, USA 4
135 VINOTH M Erode, India 4
135 Zeal Okechukwu Port Harcourt, Nigeria 4
135 Dalia Oliver Santa Clara, Cuba 4
135 Ameya Paliwal Dublin, CA, USA 4
135 Peter Phipps Worcester, UK 4
135 Van Pines Hanoi, Vietnam 4
135 Ronnan Angelo Revillosa Pagbilao, Philippines 4
135 Maria Alejandra Rodelo Vivas Bogotá, Colombia 4
135 Trishnika Sen Kharagpur, India 4
135 Omer Enes Yavuz Etimesgut, Turkey 4
135 Alice Zeal Port Harcourt, Nigeria 4
135 Barah Zeal Port Harcourt, Nigeria 4
162 Amine Ihya Casablanca, Morocco 3
162 Ismail Mdimi Kihonda, Tanzania 3