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Rapid:
Individual Calculations May 2018 |
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| Kostev, Alex Total change: 4.80 | |   |
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| Bulgarian chess championship for juniors U14 - 2018 - rapid | Plovdiv, Bulgaria | BUL | 2018-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1471 | 1369 | 2.50 | 6 | 0.24 | 20 | 4.80 | |
|  Mitev, Valentin | | | 1758 | FID | 0.00 | 1 | -0.09 | 20 | -1.80 | |  Kostov, Mihail | | | 1050 | FID | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Bozhkov, Miroslav | | | 1445 | FID | 0.50 | 1 | 0.10 | 20 | 2.00 | | | Stoyanov, Encho | | | 1410 | FID | 1.00 | 1 | 0.56 | 20 | 11.20 | | | Nikolov, Yavor | | | 1595 | FID | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Kolev, Lachezar | | | 1566 | FID | 0.00 | 1 | -0.25 | 20 | -5.00 | |
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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