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Blitz:
Individual Calculations August 2021 |
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| Toshkin, Stanislav Total change: 17.20 | |   |
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| Bulgarian Individual Chess Champoinship B10 Blitz | Apriltsi | BUL | 2021-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1042 | 1037 | 2.00 | 2 | 1.01 | 20 | 20.20 | |
|  Marzakov, Rumen | | | 1018 | BUL | 1.00 | 1 | 0.47 | 20 | 9.40 | | | Dimitrov, Georgi Y | | | 1065 | BUL | 1.00 | 1 | 0.54 | 20 | 10.80 | |
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 Blitz | Asenovgrad | BUL | 2021-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1331 | 1037 | 0.00 | 1 | -0.15 | 20 | -3.00 | |
| | Tsolov, Aleksandar | | | 1331 | BUL | 0.00 | 1 | -0.15 | 20 | -3.00 | |
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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