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Individual Calculations September 2023 |
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| Spieker, Otavio Schmidt Total change: 4.80 | |   |
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| XXXIII Pan-American Youth Chess Festival - Under 12 Open | Chicago, IL | USA | 2023-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1690 | 1384 | 1.00 | 4 | 0.12 | 40 | 4.80 | |
|  Polanco Fernandez, Sahiean | | | 1876 | DOM | 0.00 | 1 | -0.04 | 40 | -1.60 | | | Rajendran, Ishaan | | | 1755 | USA | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Sethuraman, Roshan | | | 1902 | USA | 0.00 | 1 | -0.03 | 40 | -1.20 | |  Atiencia Merino, Jose Luis | | | 1225 | ECU | 1.00 | 1 | 0.29 | 40 | 11.60 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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