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Individual Calculations July 2021 |
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| Kamenov, Valentin Total change: -7.20 | |   |
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| 19th Chess Weekend Tournament | Sofia | BUL | 2021-05-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1452 | 1695 | 1.00 | 4 | -2.00 | 20 | -40.00 | |
|  Zahariev, Velislav | | | 1295 * | BUL | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Nasar, Lazar | | | 1870 | BUL | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Arshinkova, Boryana | | | 1346 | BUL | 0.00 | 1 | -0.89 | 20 | -17.80 | | | Vorobyova, Sofia | | | 1295 * | RUS | 0.00 | 1 | -0.92 | 20 | -18.40 | | | * 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) | | | | Ropotamo Cup 2021 | Primorsko | BUL | 2021-06-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1798 | 1685 | 4.50 | 8 | 1.64 | 20 | 32.80 | |
| | Terzijski, Kiril | | | 2085 * | BUL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Kostadinova, Fabiyana | | | 1285 * | BUL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Ribarov, Valerij | | | 1945 | BUL | 0.50 | 1 | 0.32 | 20 | 6.40 | | | Tutekov, Teodor | | | 1285 * | BUL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Popov, Georgi | | | 1888 | BUL | 1.00 | 1 | 0.76 | 20 | 15.20 | | | Yanev, Yordan | | | 1926 | BUL | 1.00 | 1 | 0.80 | 20 | 16.00 | | | Dyakov, Martin | | | 2081 | BUL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Petricenco, Ana | | | 1885 | MDA | 0.00 | 1 | -0.24 | 20 | -4.80 | | | * 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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