82. ch-GEO 2023 Tbilisi GEO· Jan 4 – 13, 2023 | Jan 4 – 13, 2023 | Classical | 10 | 2482 | 41 |
21. Prague Open 2023 Prague CZE· Jan 6 – 13, 2023 | Jan 6 – 13, 2023 | Classical | 101 | 2095 | 179 |
| FICGS__CHESS__CLASS_C__000308FICGS· Jan 10, 2023 | Jan 10, 2023 | Classical | 8 | 1615 | 13 |
Australian Open 2023 Scarborough, WA AUS· Jan 2 – 10, 2023 | Jan 2 – 10, 2023 | Classical | 49 | 1941 | 97 |
130. ch-NZL Open 2023 Wellington NZL· Jan 2 – 10, 2023 | Jan 2 – 10, 2023 | Classical | 43 | 1961 | 129 |
| FICGS__CHESS__RAPID_A__000291FICGS· Jan 9, 2023 | Jan 9, 2023 | Classical | 6 | 2020 | 14 |
White Rook Cup GM 2023 Baku AZE· Jan 3 – 9, 2023 | Jan 3 – 9, 2023 | Classical | 10 | 2383 | 43 |
27. Bosnjaci Open Bosnjaci CRO· Jan 3 – 9, 2023 | Jan 3 – 9, 2023 | Classical | 82 | 1977 | 170 |
Excelsior January U1600 Toronto CAN· Jan 6 – 8, 2023 | Jan 6 – 8, 2023 | Classical | 15 | 1281 | 13 |
Excelsior January Open Toronto CAN· Jan 6 – 8, 2023 | Jan 6 – 8, 2023 | Classical | 17 | 1886 | 33 |
3. Parma City of Culture Parma ITA· Jan 6 – 8, 2023 | Jan 6 – 8, 2023 | Classical | 19 | 2155 | 23 |
Januariturneringen 2023 Sundsvall SWE· Jan 7 – 8, 2023 | Jan 7 – 8, 2023 | Classical | 23 | 2158 | 28 |
| Nordsjaellands Weekend EMT 2023Allerod· Jan 6 – 8, 2023 | Jan 6 – 8, 2023 | Classical | 16 | 2251 | 40 |
Hastings W/e Op 2023 Hastings ENG· Jan 7 – 8, 2023 | Jan 7 – 8, 2023 | Classical | 51 | 1922 | 110 |
| 26. Greek Junior Championship U18 2023· Jan 2 – 8, 2023 | Jan 2 – 8, 2023 | Classical | 26 | 1813 | 48 |
Irish New Year IM 2023 Dublin IRL· Jan 4 – 8, 2023 | Jan 4 – 8, 2023 | Classical | 11 | 2274 | 52 |
Pan-Am Intercollegiate Seattle, WA USA· Jan 5 – 8, 2023 | Jan 5 – 8, 2023 | Classical | 108 | 2200 | 131 |
Irish New Year GM 2023 Dublin IRL· Jan 4 – 8, 2023 | Jan 4 – 8, 2023 | Classical | 10 | 2311 | 45 |
| 5. Evoiki Open· Jan 5 – 8, 2023 | Jan 5 – 8, 2023 | Classical | 61 | 1713 | 116 |
Etoiles montantes 4 Montreal CAN· Jan 7 – 8, 2023 | Jan 7 – 8, 2023 | Classical | 44 | 1623 | 76 |
32. Keres Mem Rapid Tallinn EST· Jan 7 – 8, 2023 | Jan 7 – 8, 2023 | Rapid | 48 | 2182 | 99 |
Cape Town Masters IM 2023 Cape Town RSA· Jan 4 – 8, 2023 | Jan 4 – 8, 2023 | Classical | 10 | 2237 | 45 |
Excelsior January U1900 Toronto CAN· Jan 6 – 8, 2023 | Jan 6 – 8, 2023 | Classical | 11 | 1489 | 13 |
World Chess Woman Summit Xi'an CHN· Jan 7 – 8, 2023 | Jan 7 – 8, 2023 | Classical | 12 | 2316 | 66 |
2. SKG White Tower Open Thessaloniki GRE· Jan 2 – 8, 2023 | Jan 2 – 8, 2023 | Classical | 42 | 2012 | 148 |
NOR Ch Rapid 2023 Drammen NOR· Jan 7 – 8, 2023 | Jan 7 – 8, 2023 | Rapid | 57 | 2137 | 132 |
| Nordsjaellands Weekend EMT Gr1 2023Allerod· Jan 6 – 8, 2023 | Jan 6 – 8, 2023 | Classical | 9 | 2054 | 13 |
34. Roquetas de Mar Open Roquetas de Mar ESP· Jan 3 – 8, 2023 | Jan 3 – 8, 2023 | Classical | 90 | 2241 | 179 |
8. Gulf Coast New Year Estero, FL USA· Jan 7 – 8, 2023 | Jan 7 – 8, 2023 | Classical | 21 | 2158 | 24 |
| 2. Open White Tower B· Jan 2 – 7, 2023 | Jan 2 – 7, 2023 | Classical | 7 | 1612 | 6 |
| 2. Open '' White Tower '' Chess Academy· Jan 2 – 6, 2023 | Jan 2 – 6, 2023 | Classical | 24 | 1860 | 23 |
Hastings Masters 2022-23 Hastings ENG· Jan 2 – 6, 2023 | Jan 2 – 6, 2023 | Classical | 90 | 2047 | 242 |
33. Staufer-Open 2023 Schwaebisch Gmuend GER· Jan 2 – 6, 2023 | Jan 2 – 6, 2023 | Classical | 120 | 2155 | 270 |
NOR Ch Blitz 2023 Drammen NOR· Jan 6, 2023 | Jan 6, 2023 | Blitz | 55 | 2187 | 116 |
7. Gutman Memorial Augsburg GER· Jan 2 – 5, 2023 | Jan 2 – 5, 2023 | Classical | 6 | 2472 | 18 |
48. ch-IND w 2022 Hatkanangale IND· Jan 2 – 5, 2023 | Jan 2 – 5, 2023 | Classical | 80 | 1764 | 140 |
50. Rilton Cup Match Stockholm SWE· Jan 3 – 5, 2023 | Jan 3 – 5, 2023 | Classical | 3 | 2675 | 12 |
130. ch-NZL Rapid 2023 Wellington NZL· Jan 4 – 5, 2023 | Jan 4 – 5, 2023 | Rapid | 64 | 1722 | 121 |
50. Rilton Cup 2022-23 Stockholm SWE· Jan 2 – 5, 2023 | Jan 2 – 5, 2023 | Classical | 131 | 2296 | 234 |
33. Cracovia Open A Krakow POL· Jan 2 – 4, 2023 | Jan 2 – 4, 2023 | Classical | 69 | 2207 | 129 |
59. ch-IND 2022-23 New Delhi IND· Jan 2 – 3, 2023 | Jan 2 – 3, 2023 | Classical | 159 | 2029 | 206 |
35. Augsburg Inv Masters Augsburg GER· Jan 2, 2023 | Jan 2, 2023 | Classical | 7 | 1949 | 6 |
| Helsingin mestaruus M 2023· Jan 2, 2023 | Jan 2, 2023 | Classical | 6 | 2072 | 5 |
SWE Ch Blitz 2023 Stockholm SWE· 2023 | 2023 | Blitz | 80 | 2213 | 182 |