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Individual Calculations September 2021 |
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| Chen, Jonathan Total change: 144.80 | |   |
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| IM Round Robin "Akva Gold 3" | Arandjelovac | SRB | 2021-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2262 | 2103 | 6.00 | 9 | 3.34 | 40 | 133.60 | |
|  Brkljaca, Ante | m | | 2247 | SRB | 0.00 | 1 | -0.31 | 40 | -12.40 | |  Cabrilo, Goran | g | | 2377 | SRB | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Ivanovic, Marko | | | 2245 | SRB | 1.00 | 1 | 0.69 | 40 | 27.60 | | | Efremov, Vladislav | f | | 2173 | RUS | 1.00 | 1 | 0.60 | 40 | 24.00 | | | Lekic, Miodrag | | | 2219 | SRB | 1.00 | 1 | 0.66 | 40 | 26.40 | | | Vojinovic, Luka | | | 2265 | SRB | 0.50 | 1 | 0.21 | 40 | 8.40 | | | Ilincic, Zlatko | g | | 2395 | SRB | 1.00 | 1 | 0.85 | 40 | 34.00 | | | Rakshitta, Ravi | | wm | 2190 | IND | 0.50 | 1 | 0.12 | 40 | 4.80 | | | Vlajkovic, Stanko | f | | 2245 | SRB | 1.00 | 1 | 0.69 | 40 | 27.60 | |
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) | | | | 11th Annual Central California Open - Open | Fresno, California | USA | 2021-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1777 | 2157 | 3.00 | 3 | 0.28 | 40 | 11.20 | |
| | Wang, Jeffery | | | 1757 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Zhang, Cindy | | | 1817 | USA | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Lee, Yesun Kate | | | 1757 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | * 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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