Monthly Individual Rankings

September 2021

Daily Math Challenge


Rank Name Location Score
1 Florence Rollins Houston, TX, USA 149
1 Mario Skrtic Zagreb, Croatia 149
3 Matt Gillespie Chicago, IL, USA 142
4 Cees Otto Oegstgeest, Netherlands 140
5 Jean-Guy Smith Sorel-Tracy, Canada 139
6 Tom Hendricks Tifton, GA, USA 134
6 Michael Ling Vancouver, Canada 134
8 Richard Atchley Bremerton, WA, USA 131
8 Sarah Hellman Louisville, KY, USA 131
10 Carlos Alberto Miranda Pantoja Manzanillo, Cuba 129
11 Dordy Chrysanthemum San Francisco, CA, USA 126
11 Mike Schieffer Austin, TX, USA 126
11 Iqbal Shahid Karachi, Pakistan 126
14 Rintoo Divakaran Ernakulam, India 123
15 Patrick Costello Richmond, KY, USA 122
16 Bassel Baker Beirut, Lebanon 121
17 Bill Mansfield North Boston, NY, USA 120
18 Jerome Cherry Mundare, Canada 118
18 Khalil Dagher Beirut, Lebanon 118
18 Chris Evert Sugar Land, TX, USA 118
18 Bob Rugaber Rushville, NY, USA 118
22 Steven Ferry Mermaid Beach, Australia 117
23 Raymond Chrisman San Francisco, CA, USA 116
23 Robert Siddon Annapolis, MD, USA 116
25 Sean Forbes Crest Hill, IL, USA 113
26 Frank McGartland Saskatoon, Canada 111
27 Greg D'Entremont Quispamsis, Canada 110
28 Arlon Georger Eden, NY, USA 108
28 Mitch Schieffer Austin, TX, USA 108
30 Jason Smith Decatur, IL, USA 107
31 Sergio Leonardi Houston, TX, USA 104
32 Diane Eagle Lubbock, TX, USA 98
33 Morris Leibov Poulsbo, WA, USA 96
34 Sergey Gleizer Perth Amboy, NJ, USA 93
35 Jerrold Greenberg New York, NY, USA 87
36 Betsy Siddon Brooklyn, NY, USA 83
37 Dennis Doble Burlington, MA, USA 82
37 Paul Larm Vancouver, Canada 82
39 Henry Tran Houston, TX, USA 81
39 S Wolf North Haven, CT, USA 81
41 Giang Tran Houston, TX, USA 79
42 James Haas San Francisco, CA, USA 68
43 Tristan Goodman manchester, VT, USA 66
44 Fred Arrigoni Adairsville, GA, USA 58
45 Phyllis Cormier Lubbock, TX, USA 44
46 Anurup Das Dhaka, Bangladesh 42
46 Cody Rollins Puyallup, WA, USA 42
48 Ana Dy Manila, Philippines 41
49 Advait Razdan Mumbai, India 40
50 Alex Dolzhenko Kyiv, Ukraine 34
51 Sarah Seales Phoenix, AZ, USA 33
52 Ed Wilson Richmond, KY, USA 31
53 Siddhant Mukherji Bangalore, India 30
54 Math Lover Jaipur, India 29
55 Stuart Tao Calgary , Canada 28
56 Joseph Nelson Wailuku, HI, USA 27
57 Bob Mitchell Normal, IL, USA 25
58 Nina S Brussels, Belgium 24
59 Daniel Škrtić Zagreb, Croatia 21
59 Timileyin Emmanuel Owode, Nigeria 21
59 Math Goddess Belaire, TX, USA 21
59 Marcus Neulander Towson, MD, USA 21
63 DEBORAH OMOWUNMI owode, Nigeria 19
64 Mikel Brunner Medford, OR, USA 18
64 Steve Hnidei Windsor, Canada 18
66 Isaiah Stuart Medford, OR, USA 17
67 Andreas Parry Lietara Jakarta, Indonesia 16
67 Crispin Pereira Toronto, Canada 16
69 Keely Langley Lubbock, TX, USA 15
69 Jessica Mbenji Lubbock, TX, USA 15
69 Y S Chd, India 15
69 Angel Zheng East Amherst, NY, USA 15
73 James Duffy Gonzales, LA, USA 14
74 Travis Krahn Rochester, MN, USA 12
74 Daaruk Kumarasamy Durban, South Africa 12
74 Harshil Sanklecha Ahmedabad, India 12
77 Debra Hastings Math Class Jackson, MS, USA 11
77 Cooper Howell Lubbock, TX, USA 11
77 Ceaser Kabila Livingston, Zambia 11
77 Charles Selph Hayes, VA, USA 11
77 Tyler Yuen Plymouth Meeting, PA, USA 11
82 Michael Kunz Gaggenau, Deutschland 10
82 Pwarzival T Carmichael, CA, USA 10
84 Jason Barnes Chicago, IL, USA 6
84 Mathew Chethimattom Columbus, GA, USA 6
84 Doug Massey Weaverville, NC, USA 6
84 Amirreza Mazinani Dāmghān, Iran 6
84 Ali Mirrokni Tehran, Iran 6
84 E Pertterson Houston, TX, USA 6
84 Gideon Sanni Abuja, Nigeria 6
84 Nayan Santheepan Watford, UK 6
84 Ben Tell Hood River, OR, USA 6
84 Sean Tompkins St Louis, MO, USA 6
94 Aditya Datta Kolkata, India 5
94 Megan Elliott Lubbock, TX, USA 5
94 Park EPP Worthington, OH, USA 5
94 Brent Hurlas Brooklyn, NY, USA 5
94 Ameya Paliwal Dublin, CA, USA 5
94 Sama Rawy Cairo, Egypt 5
94 Ryan Rowell Lubbock, TX, USA 5
94 Abhigyan Sarkar Pleasanton, CA, USA 5
94 Riley Spoon Lubbock, TX, USA 5
94 Justin Tsai Carmichael, CA, USA 5
94 David Zhang Katy, Texas, United States 5