Begin Rating:
400
Present Rating:
19
Highest Rating ever:
385 (2024-10-03, position: 129)
Lowest Rating ever:
5 (2025-02-24, position: 203)
Matches played (51):
| [date] | [player A] | [player B] | [gms A] | [gms B] | [pnt A] | [pnt B] |
| 2025-03-18 | Aaron Wang | John Tjia | 1 | 3 | -18 | 18 |
| 2025-03-18 | Serena Lin | John Tjia | 3 | 0 | 3 | -3 |
| 2025-03-18 | Ayman Elgamal | John Tjia | 3 | 0 | 6 | -6 |
| 2025-03-18 | Sammy Fink | John Tjia | 3 | 0 | 10 | -10 |
| 2025-03-11 | Alex Geyer | John Tjia | 3 | 1 | 6 | -6 |
| 2025-03-11 | Neil Dave-Syed | John Tjia | 3 | 1 | -7 | 7 |
| 2025-03-11 | Sammy Fink | John Tjia | 3 | 0 | 16 | -16 |
| 2025-02-25 | Sammy Fink | John Tjia | 3 | 1 | -1 | 1 |
| 2025-02-25 | Arthur Jacobs | John Tjia | 0 | 3 | -32 | 32 |
| 2025-02-25 | Jacob Fink | John Tjia | 3 | 0 | 13 | -13 |
| 2025-02-25 | Amin Eshtiaghi | John Tjia | 3 | 2 | -10 | 10 |
| 2025-01-28 | Ayman Elgamal | John Tjia | 3 | 0 | 13 | -13 |
| 2025-01-28 | Aaron Wang | John Tjia | 3 | 1 | 4 | -4 |
| 2025-01-28 | Amin Eshtiaghi | John Tjia | 2 | 3 | -22 | 22 |
| 2025-01-28 | Matthew Miller | John Tjia | 3 | 0 | 8 | -8 |
| 2025-01-28 | Neil Dave-Syed | John Tjia | 3 | 0 | 7 | -7 |
| 2025-01-28 | Fred Ellman (LH) | John Tjia | 3 | 0 | 6 | -6 |
| 2025-01-21 | Neil Dave-Syed | John Tjia | 3 | 0 | 9 | -9 |
| 2025-01-21 | Neil Dave-Syed | John Tjia | 3 | 0 | 9 | -9 |
| 2025-01-21 | David Teich | John Tjia | 3 | 0 | 5 | -5 |
| 2025-01-21 | Fred Ellman (LH) | John Tjia | 3 | 0 | 7 | -7 |
| 2025-01-21 | Amin Eshtiaghi | John Tjia | 3 | 1 | -4 | 4 |
| 2025-01-21 | Lucian Iacob | John Tjia | 3 | 0 | 1 | -1 |
| 2024-12-19 | Bishwa Raj Bhetuwal | John Tjia | 3 | 1 | 8 | -8 |
| 2024-12-19 | Jacob Fink | John Tjia | 3 | 0 | 25 | -25 |
| 2024-12-19 | Sammy Fink | John Tjia | 3 | 2 | 3 | -3 |
| 2024-12-19 | Teddy Hertzmark | John Tjia | 3 | 1 | 8 | -8 |
| 2024-10-24 | Julia Zhou | John Tjia | 3 | 0 | 12 | -12 |
| 2024-10-24 | Teddy Hertzmark | John Tjia | 3 | 1 | 9 | -9 |
| 2024-10-24 | Jim Boslett | John Tjia | 3 | 0 | 12 | -12 |
| 2024-10-24 | Bishwa Raj Bhetuwal | John Tjia | 3 | 0 | 25 | -25 |
| 2024-10-22 | Rick Kriska | John Tjia | 3 | 0 | 1 | -1 |
| 2024-10-22 | Sung Kang | John Tjia | 3 | 0 | 2 | -2 |
| 2024-10-17 | Sung Kang | John Tjia | 3 | 0 | 2 | -2 |
| 2024-10-17 | John Tjia | Anirudh Gautham | 2 | 3 | -11 | 11 |
| 2024-10-17 | John Tjia | Serena Lin | 0 | 3 | -26 | 26 |
| 2024-10-17 | Jeremy Perton | John Tjia | 3 | 0 | 2 | -2 |
| 2024-10-15 | Jose Gutierrez | John Tjia | 3 | 0 | 2 | -2 |
| 2024-10-15 | Jake Slewett | John Tjia | 3 | 0 | 9 | -9 |
| 2024-10-10 | Russel Stram | John Tjia | 3 | 0 | 12 | -12 |
| 2024-10-10 | John Tjia | Anirudh Gautham | 3 | 1 | 3 | -3 |
| 2024-10-10 | John Tjia | Serena Lin | 0 | 3 | -39 | 39 |
| 2024-10-10 | John Tjia | Julia Zhou | 0 | 3 | -28 | 28 |
| 2024-10-10 | John Tjia | Carol Hansen | 0 | 3 | -27 | 27 |
| 2024-10-08 | Margie Alley | John Tjia | 3 | 0 | 11 | -11 |
| 2024-10-08 | Victor Lee | John Tjia | 3 | 0 | 13 | -13 |
| 2024-10-03 | Jeremy Perton | John Tjia | 3 | 0 | 20 | -20 |
| 2024-10-03 | Margie Alley | John Tjia | 3 | 0 | 12 | -12 |
| 2024-10-03 | Aditya Dargan | John Tjia | 3 | 0 | 21 | -21 |
| 2024-09-24 | Rick Kriska | John Tjia | 3 | 0 | 3 | -3 |
| 2024-09-24 | Margie Alley | John Tjia | 3 | 0 | 12 | -12 |