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Individual Calculations October 2015 |
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| Simonska, Gergana Total change: -8.40 | |   |
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| National team championship 2015 boys U12 | Golden sands | BUL | 2015-08-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1405 | 1216 | 1.00 | 4 | -0.14 | 40 | -5.60 | |
|  Minev, Preslav | | | 1138 | BUL | 1.00 | 1 | 0.39 | 40 | 15.60 | |  Kan, Efim | | | 1473 | BUL | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Demirov, Todor | | | 1393 | BUL | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Stoyanov, Georgi | | | 1616 * | BUL | 0.00 | 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) | | | | 150th MGU open | Sofia | BUL | 2015-09-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1468 | 1216 | 1.00 | 5 | -0.07 | 40 | -2.80 | |
| | Kamenov, Valentin | | | 1616 * | BUL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Sapareva, Magdalena | | | 1567 | BUL | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Tagarev, Ivan | | | 1551 | BUL | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Simonski, Plamen | | | 1306 | BUL | 1.00 | 1 | 0.62 | 40 | 24.80 | | | Petkov, Gabriel | | | 1301 | BUL | 0.00 | 1 | -0.38 | 40 | -15.20 | | | * 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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