Rapid:
Individual Calculations August 2021 |
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Velchev, Yoan Total change: 4.40 | | ![Rating chart](/imga/chart.gif) ![Personal card](/imga/card.gif) |
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Bulgarian Individual Chess Champoinship B10 Rapid | Apriltsi | BUL | 2021-07-02 |
Rc | Ro | w | n | change | K | K*chg | Game |
1109 | 1131 | 3.00 | 5 | 0.35 | 20 | 7.00 | |
| Marzakov, Rumen | | | 1009 | BUL | 1.00 | 1 | 0.33 | 20 | 6.60 | | Vasilev, Aleksandar | | | 1250 | BUL | 1.00 | 1 | 0.66 | 20 | 13.20 | | Emanuilov, Radoslav | | | 1072 | BUL | 1.00 | 1 | 0.42 | 20 | 8.40 | | Atanasov, Aleksandar | | | 1151 | BUL | 0.00 | 1 | -0.47 | 20 | -9.40 | | Dimitrov, Georgi Y | | | 1065 | BUL | 0.00 | 1 | -0.59 | 20 | -11.80 | | 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) | | Bulgarian Individual Chess Championship Boys 12-2021 Rapid | Asenovgrad | BUL | 2021-07-16 |
Rc | Ro | w | n | change | K | K*chg | Game |
1315 | 1131 | 1.00 | 4 | -0.13 | 20 | -2.60 | |
| Dimitrov, Martin | | | 1492 | BUL | 0.00 | 1 | -0.10 | 20 | -2.00 | | Ivanov, Stefan V | | | 1397 | BUL | 0.00 | 1 | -0.18 | 20 | -3.60 | | Valentinov, Aleksandar | | | 1165 | BUL | 0.00 | 1 | -0.45 | 20 | -9.00 | | Grigorov, Petar | | | 1207 | BUL | 1.00 | 1 | 0.60 | 20 | 12.00 | | 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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