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Individual Calculations June 2023 |
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| Walder, Michael Total change: -1.80 | |   |
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| 2023 Spring Tuesday Night Marathon - 1600-1999 Rounds 4-7 | San Francisco, CA | USA | 2023-03-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1699 | 1843 | 2.50 | 3 | 0.46 | 20 | 9.20 | |
|  Kingma, Karl Stuart | | | 1651 | USA | 1.00 | 1 | 0.25 | 20 | 5.00 | |  Gray, William | | | 1872 | USA | 1.00 | 1 | 0.54 | 20 | 10.80 | | | Mahooti, James J | | | 1575 | USA | 0.50 | 1 | -0.33 | 20 | -6.60 | |
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) | | | | 2023 Summer Tuesday Night Marathon - 1600-1999 Rounds 1-4 | San Francisco, CA | USA | 2023-05-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1491 | 1856 | 3.00 | 4 | -0.55 | 20 | -11.00 | |
| | Casares, Nick, Jr | | | 1456 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Wong, Wilson | | | 1528 | USA | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Benaid, Henry | | | 1380 | USA | 0.00 | 1 | -0.95 | 20 | -19.00 | | | Admassu, Yonathan | | | 1601 | USA | 1.00 | 1 | 0.19 | 20 | 3.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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