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Individual Calculations August 2017 |
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| Kostev, Alex Total change: 18.80 | |   |
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| National team championship for youth to 16 years old 2017 | Borovets | BUL | 2017-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1578 | 1351 | 1.50 | 4 | 0.47 | 40 | 18.80 | |
|  Tsvetanov, David | | | 1751 * | BUL | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Nedkov, Kaloyan | | | 1255 | BUL | 0.50 | 1 | -0.13 | 40 | -5.20 | | | Dichev, Kaloyan | | | 1554 | BUL | 1.00 | 1 | 0.76 | 40 | 30.40 | | | Stoyanov, Stoyan Or | | | 1751 * | 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) | | |
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