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Individual Calculations January 2023 |
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| Starr, Albert Martin Total change: -58.40 | |   |
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| Felix German Memorial Tuesday Night Marathon - U1600 Round 4-7 | San Francisco, California | USA | 2022-11-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1373 | 1430 | 1.00 | 4 | -1.30 | 20 | -26.00 | |
|  Wei, Brian | | | 1377 | USA | 0.00 | 1 | -0.57 | 20 | -11.40 | |  Tsolias, Yorgos | | | 1475 | USA | 0.00 | 1 | -0.44 | 20 | -8.80 | | | Bakke, Erik | | | 1398 | USA | 1.00 | 1 | 0.46 | 20 | 9.20 | | | Ahrens, Richard William | | | 1240 | USA | 0.00 | 1 | -0.75 | 20 | -15.00 | |
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) | | | | 4th Annual Donaldson Championship - U1600 | San Francisco, California | USA | 2022-12-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1169 | 1418 | 0.00 | 2 | -1.62 | 20 | -32.40 | |
| | Kachakji, Tony | | | 1145 | USA | 0.00 | 1 | -0.83 | 20 | -16.60 | | | Cao, Danny Du Uy | | | 1192 | USA | 0.00 | 1 | -0.79 | 20 | -15.80 | |
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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