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Individual Calculations September 2023 |
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| Soltani, Mohammad Total change: 8.00 | |   |
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| 2023 Calchess Senior Championship | Berkeley, Ca | USA | 2023-06-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1558 | 1339 | 2.00 | 4 | 1.09 | 20 | 21.80 | |
|  Mahooti, James J | | | 1589 | USA | 1.00 | 1 | 0.81 | 20 | 16.20 | | | Gran, Rahim | | | 1629 | USA | 0.00 | 1 | -0.16 | 20 | -3.20 | |  Henderson, Se, Jr | | | 1489 | USA | 1.00 | 1 | 0.70 | 20 | 14.00 | | | Vale Cruz, Armin | | | 1526 | USA | 0.00 | 1 | -0.26 | 20 | -5.20 | |
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) | | | | July BAC Real Championship - AB | Milpitas, California | USA | 2023-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1292 | 1340 | 1.00 | 3 | -0.69 | 20 | -13.80 | |
| | Mori-Khan, Camran | | | 1376 | USA | 0.00 | 1 | -0.45 | 20 | -9.00 | | | Kim, Taewoo Lumen | | | 1181 | KOR | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Fan, Jimmy Qinmo | | | 1318 | USA | 0.00 | 1 | -0.53 | 20 | -10.60 | |
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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