Monthly Individual Rankings

February 2021

Daily Math Challenge


Rank Name Location Score
1 Cees Otto Oegstgeest, Netherlands 136
2 Mario Skrtic Zagreb, Croatia 129
3 Matt Gillespie Chicago, IL, USA 127
4 Jean-Guy Smith Sorel-Tracy, Canada 123
5 Pavel Gushchin Chelyabinsk, Russia 117
6 Khalil Dagher Beirut, Lebanon 116
6 Mike Schieffer Austin, TX, USA 116
8 Sarah Hellman Louisville, KY, USA 115
9 Dordy Chrysanthemum San Francisco, CA, USA 114
10 Bassel Baker Beirut, Lebanon 113
11 Mihir Tandon Grayslake, IL, USA 109
12 Paul Larm Vancouver, Canada 106
12 Iqbal Shahid Karachi, Pakistan 106
14 Frank McGartland Saskatoon, Canada 105
15 Patrick Costello Richmond, KY, USA 103
15 Tom Hendricks Tifton, GA, USA 103
15 Carlos Alberto Miranda Pantoja Manzanillo, Cuba 103
18 Bill Mansfield North Boston, NY, USA 102
19 Raymond Chrisman San Francisco, CA, USA 101
19 Samuel Elias Ciudad Victoria, Mexico 101
21 Jerome Cherry Mundare, Canada 100
21 Robert Siddon Annapolis, MD, USA 100
23 Greg D'Entremont Quispamsis, Canada 99
23 Florence Rollins Houston, TX, USA 99
23 Bob Rugaber Rushville, NY, USA 99
26 Richard Atchley Bremerton, WA, USA 98
26 Chris Evert Sugar Land, TX, USA 98
28 Ed Wilson Richmond, KY, USA 96
29 Arlon Georger Eden, NY, USA 95
30 Michael Li St. Louis, MO, USA 94
31 Zlatko Brkljaca Zagreb, Croatia 93
32 Michael Ling Vancouver, Canada 91
32 Betsy Siddon Brooklyn, NY, USA 91
34 Sean Forbes Crest Hill, IL, USA 89
34 Sergio Leonardi Houston, TX, USA 89
34 Isabela Loredo :D Potente Cd Victoria , Mexico 89
34 Roman Sány Bánovce nad Bebravou, Slovakia 89
38 Morris Leibov Poulsbo, WA, USA 88
39 Jason Smith Decatur, IL, USA 86
40 Mrinal Agarwal Dublin, CA, USA 84
41 Sergey Gleizer Perth Amboy, NJ, USA 83
42 Steven Ferry Mermaid Beach, Australia 82
43 Ricardo Torres Ciudad Victoria, Mexico 80
44 Jimmy Rong San Diego, CA, USA 79
45 Phyllis Cormier Lubbock, TX, USA 77
46 Mitch Schieffer Austin, TX, USA 76
47 Doug Massey Weaverville, NC, USA 70
48 Jerrold Greenberg New York, NY, USA 68
48 S Wolf North Haven, CT, USA 68
48 Aaron Ye San Diego, CA, USA 68
51 Tim Poe Puerto Vallarta, Mexico 66
52 Michael Cantatore East Rutherford, NJ, USA 65
52 Maulik Rastogi Dublin, CA, USA 65
54 Henry Tran Houston, TX, USA 64
55 Connor Chang Pittsburgh, PA, USA 63
55 Anurup Das Dhaka, Bangladesh 63
55 Dennis Doble Burlington, MA, USA 63
55 Salehe Mzava Kilimanjaro, Tanzania 63
59 Crispin Pereira Toronto, Canada 61
60 James Haas San Francisco, CA, USA 60
61 Diane Eagle Lubbock, TX, USA 56
62 Tristan Goodman manchester, VT, USA 52
63 Bedis Benlakhdar Rades , Tunisia 50
64 Jason Pu San Diego, CA, USA 49
65 Ceaser Kabila Livingston, Zambia 44
66 Fred Arrigoni Adairsville, GA, USA 40
67 Nick Langston Fort Smith, AR, USA 37
68 Giang Tran Houston, TX, USA 36
69 Elijah Lockwood Shaw, DC, USA 35
69 Charles Selph Hayes, VA, USA 35
71 Bob The Builder Dublin, CA, USA 34
72 Hamisi Jumanne Morogoro, Tanzania 33
73 Lucy Ling Vancouver, Canada 32
74 Ed Groth Mountain Top, PA, USA 31
75 Archisman Nandy Kharagpur, India 29
76 Poptart Christmas San Francisco, CA, USA 23
77 Ismail Mdimi Kihonda, Tanzania 22
77 Joseph Nelson Wailuku, HI, USA 22
77 Vishnu Vasudeva Danville, CA, USA 22
80 Bob Mitchell Normal, IL, USA 21
81 John Adams Gainesville, GA, USA 20
82 Tiger Han San Diego, CA, USA 19
82 Ximena Pineda Guatemala City, Mixco 19
82 Samwel Prosper Morogoro, Tanzania 19
82 Aryu Reddy San Francisco, CA, USA 19
86 Joy Cooper San Francisco, CA, USA 18
87 Daniel Škrtić Zagreb, Croatia 17
87 Brent Hurlas Brooklyn, NY, USA 17
89 Sahaana Vasudevan San Ramon, California, USA 16
89 Angel Zheng East Amherst, NY, USA 16
91 Maulik Rastogi Dublin, CA, USA 13
92 Jack Hanling Augusta, GA, USA 12
92 Peter Klivnoy Bergen, Norway 12
92 Alexn Nuntiyagul Bangkok, Thailand 12
95 Dan C. Vancouver, Canada 10
95 Atharv Upadhyay Pleasanton, CA, USA 10
95 Fiona Zhang San Diego, CA, USA 10
98 Marcus Neulander Towson, MD, USA 9
98 Dylan Waddle Lubbock, TX, USA 9
100 Jamie Grim Oakley, CA, USA 8
101 Mrinal Agarwal Dublin, CA, USA 6
101 Lisa Kalmer Louisville, KY, USA 6
101 William MacLean Houston, TX, USA 6
104 Ima Banker San Francisco, CA, USA 5
104 Holly Ceci Kinsman, OH, USA 5
104 Travis Krahn Rochester, MN, USA 5
104 Claire Lee San Diego, CA, USA 5
104 Ryan Li San Diego, CA, USA 5
104 Mirka Naomi Moreno Camacho Mexicali, México 5
104 Jaclyn Ortiz Lubbock, TX, USA 5
104 E Pertterson Houston, TX, USA 5
104 Robert Plant II Lubbock, TX, USA 5
104 Thomas Workman Medford, OR, USA 5
104 Lylia Z San Diego, CA, USA 5
115 Lekha Anand Pleasanton, CA, USA 4
115 Sienna C Weaverville, NC, USA 4
115 Rohan Dipesh Columbus, OH, USA 4
115 Park EPP Worthington, OH, USA 4
115 Sandra Fleming Tustin, CA, USA 4
115 Raunak Ghosh Roorkee, India 4
115 Neil Govekar Dublin, California, United States 4
115 Ishaan Kambala Columbus, OH, USA 4
115 Ella Lin San Francisco, CA, USA 4
115 Riyana Malhotra San Ramon, CA, USA 4
115 Jishnu Nayak Mountain House, CA, USA 4
115 Mansi Padimiti San Ramon, CA, USA 4
115 Sanvi Padimiti San Ramon, CA, USA 4
115 Ameya Paliwal Dublin, CA, USA 4
115 Jacob Q Weaverville, NC, USA 4
115 Nicholas Stakoun Toronto, Canada 4
115 Bishal Yadav Kathmandu, Nepal 4