Monthly Individual Rankings

May 2023

Daily Math Challenge

Rank Name Location Score
1 Mario Skrtic Zagreb, Croatia 150
2 Michael Ling Vancouver, Canada 143
3 Richard Atchley Bremerton, WA, USA 141
3 Mike Schieffer Austin, TX, USA 141
5 Jeff Sayah Jerusalem, Israel 138
6 Florence Rollins Houston, TX, USA 137
7 Sarah Hellman Louisville, KY, USA 133
8 Steve Hnidei Windsor, Canada 129
8 Iqbal Shahid Karachi, Pakistan 129
10 Bob Rugaber Rushville, NY, USA 126
11 Frank McGartland Saskatoon, Canada 125
12 Peter Phipps Worcester, UK 124
13 Carlos Alberto Miranda Pantoja Manzanillo, Cuba 123
14 Bill Mansfield North Boston, NY, USA 122
15 Raymond Chrisman San Francisco, CA, USA 117
15 James Duffy Gonzales, LA, USA 117
17 Patrick Costello Richmond, KY, USA 116
18 John Derikx Windsor, Canada 114
19 Jean-Guy Smith Sorel-Tracy, Canada 113
20 Morris Leibov Poulsbo, WA, USA 110
21 Khalil Dagher Beirut, Lebanon 108
21 Jim Stein Stratford, CT, USA 108
23 Ahu Canoğulları Trondheim, NORWAY 106
23 Sean Forbes Crest Hill, IL, USA 106
25 Sergio Leonardi Houston, TX, USA 101
26 Steven Ferry Mermaid Beach, Australia 100
27 Matt Gillespie Chicago, IL, USA 97
28 Jerome Cherry Vegreville, Canada 94
28 Rintoo Divakaran Ernakulam, India 94
30 Chris Evert Sugar Land, TX, USA 93
31 Mihir Tandon Grayslake, IL, USA 91
32 Bassel Baker Beirut, Lebanon 89
32 Jason Smith Decatur, IL, USA 89
34 Tom Jones New York, United States 84
35 Paul Larm Vancouver, Canada 82
36 Jerrold Greenberg New York, NY, USA 81
36 Cedie Portes Lucena, Philippines 81
38 Tom Hendricks Tifton, GA, USA 80
39 S Wolf North Haven, CT, USA 76
40 Fred Arrigoni Adairsville, GA, USA 71
41 Mitch Schieffer Austin, TX, USA 70
42 Srikanth M Chennai , India 69
42 Jae ​ Atlanta, GA, USA 69
44 Tristan Goodman manchester, VT, USA 65
44 Sam Vanhout Augusta , United States 65
46 Ed Wilson Richmond, KY, USA 62
47 Joseph Nelson Wailuku, HI, USA 59
48 Michael Cantatore East Rutherford, NJ, USA 54
49 Dennis Doble Burlington, MA, USA 53
50 Bob Mitchell Normal, IL, USA 51
51 Jeff DeKoter Chatham, Canada 48
52 Kevin Terry Tampa, FL, USA 40
53 Sergey Gleizer Perth Amboy, NJ, USA 39
54 Mia Chen South Pasadena, CA, USA 31
54 Phyllis Cormier Lubbock, TX, USA 31
56 Jon Robert Dallas, TX, USA 30
57 Kristin X Ankara, Turkey 28
58 Kyle Chen Tainan, Taiwan 26
58 Stuart Tao Calgary , Canada 26
60 John Biala Chicago, IL, USA 25
61 Abdelwahab Abdelhameed Cairo, Egypt 21
62 Marcus Neulander Towson, MD, USA 16
63 Anne Davis Los Angeles, CA, USA 14
63 Frank Stein Shelton, Connecticut, United States 14
65 Dan C. Vancouver, Canada 13
66 Team 1 SF, United States 12
67 I AM DEVIOUS San Francisco, CA, United States 11
67 Hamisi Jumanne Babati, Tanzania 11
67 Shadrach Lucky Jinja, Uganda 11
67 Parker Postol Grayslake, IL, USA 11
71 Vinoth M Sathyamangalam, India 10
71 Nathaniel Park San Francisco, CA, USA 10
71 Shubham Yadav New Delhi, India 10
74 Bob Peters Tel Aviv, Israel 7
75 Satvik Aggarwal Baltana, India 6
75 Margaret George Windsor, Canada 6
75 E Pertterson Houston, TX, USA 6
75 Charles Selph Hayes, VA, USA 6
75 Charlotte Sittig Ventura, CA, USA 6
75 Kelly Stubblefield Mobile, United States 6
81 Emma Bishop Victoria, Canada 5
81 Bellona Darah San Carlos city, Phillippines 5
81 Etaa Eugenia Kampala, Uganda 5
81 Rebecca G Tampa, FL, USA 5
81 Alexander Hung San Francisco, CA, USA 5
81 Brent Hurlas Brooklyn, NY, USA 5
81 Abhinav Iyer DUBLIN, CA, United States 5
81 Alicia Li South Pasadena, CA, United States 5
81 Kamugisha Obadiah Kampala, Uganda 5
81 Wensy Perez Atlanta, GA, USA 5
81 Mark Julius Salva Daet, Philippines 5
81 Rohan Shivakumar Oak Park, California, United States 5
81 Griffin Short Scottsdale, AZ, USA 5