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Individual Calculations August 2023 |
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| Friske, Thomas Total change: -78.40 | |   |
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| 13th annual World Open Senior Amateur | Philadelphia, PA | USA | 2023-06-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1690 | 1779 | 2.00 | 4 | -0.41 | 20 | -8.20 | |
|  Ruiz, Jorge C | | | 1645 | USA | 0.50 | 1 | -0.18 | 20 | -3.60 | |  Carey, Michael P | | | 1860 | USA | 0.00 | 1 | -0.39 | 20 | -7.80 | | | Perry, Andrew Blair | | | 1453 | USA | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Sharp, Dale Eugene | | | 1801 | USA | 0.50 | 1 | 0.03 | 20 | 0.60 | |
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) | | | | 51st annual World Open - U2200 | Philadelphia, PA | USA | 2023-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1668 | 1779 | 1.00 | 7 | -3.51 | 20 | -70.20 | |
| | Marshall, Calvin | | | 1740 | USA | 0.50 | 1 | -0.05 | 20 | -1.00 | | | Ray, Ujan | | | 1735 | USA | 0.00 | 1 | -0.56 | 20 | -11.20 | | | Winters, Lance A | | | 1808 | USA | 0.00 | 1 | -0.46 | 20 | -9.20 | | | Debmisra, Ariv | | | 1613 | USA | 0.00 | 1 | -0.72 | 20 | -14.40 | | | Qi, Jenny | | | 1614 | USA | 0.00 | 1 | -0.72 | 20 | -14.40 | | | Durbha, Antara | | | 1546 | USA | 0.00 | 1 | -0.79 | 20 | -15.80 | | | Bauza Mercere, Eduardo | | | 1617 | ARG | 0.50 | 1 | -0.21 | 20 | -4.20 | |
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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