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Rapid:
Individual Calculations September 2020 |
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| Boychev, Petar Total change: -3.60 | |   |
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| Bulgarian individual chess championship U18 - 2020 Rapid | Asenovgrad | BUL | 2020-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1585 | 1296 | 1.00 | 5 | -0.18 | 20 | -3.60 | |
|  Stoyanov, Stoyan Or | | | 1969 | BUL | 0.00 | 1 | -0.01 | 20 | -0.20 | |  Stoyanov, Daniel | | | 1767 | BUL | 0.00 | 1 | -0.05 | 20 | -1.00 | | | Sheytanov, Radoslav | | | 1491 | BUL | 1.00 | 1 | 0.75 | 20 | 15.00 | | | Nasar, Lazar | | | 1514 | BUL | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Milev, Raicho | | | 1183 | BUL | 0.00 | 1 | -0.65 | 20 | -13.00 | |
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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