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Individual Calculations November 2023 |
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| Kafedzhiyski, Stefan Total change: 17.60 | |   |
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| 23rd Chess Weekend | Sofia | BUL | 2023-09-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1391 | 1203 | 2.00 | 5 | 0.58 | 40 | 23.20 | |
|  Ignatov, Bojidar | | | 1641 | BUL | 0.00 | 1 | -0.06 | 40 | -2.40 | |  Vasileva, Cveta | | | 1422 | BUL | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Parvanov, Rumen | | | 1390 | BUL | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Stefanov, Georgi S | | | 1119 | BUL | 1.00 | 1 | 0.38 | 40 | 15.20 | | | Stoyanov, Ivan | | | 1384 | BUL | 1.00 | 1 | 0.74 | 40 | 29.60 | |
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) | | | | 24th Chess Weekend | Sofia | BUL | 2023-10-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1676 | 1203 | 0.00 | 2 | -0.14 | 40 | -5.60 | |
| | Danov, Valentin | | | 1829 | BUL | 0.00 | 1 | -0.01 | 40 | -0.40 | | | Mladenov, Andrey | | | 1523 | BUL | 0.00 | 1 | -0.13 | 40 | -5.20 | |
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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