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Individual Calculations January 2023 |
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| Widjaja, Luke Total change: 56.00 | |   |
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| 57th American Open - Under 2200 | Orange, CA | USA | 2022-11-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1700 | 1786 | 2.00 | 3 | 0.16 | 40 | 6.40 | |
|  Sabyrov, Muradhan Emir | | | 1641 | USA | 1.00 | 1 | 0.31 | 40 | 12.40 | |  Wu, Wentao | | | 1644 | USA | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Kodarapu, Ishaan | | | 1816 | USA | 0.00 | 1 | -0.46 | 40 | -18.40 | |
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) | | | | Felix German Memorial Tuesday Night Marathon - 2000 and up Round 4-7 | San Francisco, California | USA | 2022-11-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2141 | 1786 | 1.50 | 2 | 1.24 | 40 | 49.60 | |
| | Seitzer, Phillip | | | 2005 | USA | 1.00 | 1 | 0.78 | 40 | 31.20 | | | Chen, Richard | f | | 2276 | CAN | 0.50 | 1 | 0.46 | 40 | 18.40 | |
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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