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Individual Calculations December 2023 |
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| Kara, Petr S. Total change: -108.40 | |   |
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| SPb B17 Championship Semifinal 2023 | St. Petersburg | RUS | 2023-10-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1289 | 1298 | 1.50 | 4 | -0.56 | 40 | -22.40 | |
|  Gerchikov, Matvey | | | 1269 | RUS | 0.50 | 1 | -0.04 | 40 | -1.60 | |  Perminov, Yaroslav Art. | | | 1181 | RUS | 0.00 | 1 | -0.66 | 40 | -26.40 | | | Tiulyagin, Matvey | | | 1479 | RUS | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Bondarenko, Martin | | | 1225 | RUS | 1.00 | 1 | 0.40 | 40 | 16.00 | |
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) | | | | SPb B17 Championship 2023 | St. Petersburg | RUS | 2023-11-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1336 | 1298 | 1.50 | 8 | -2.15 | 40 | -86.00 | |
| | Yarmolenko, Aleksandr | | | 1578 | RUS | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Tiulyagin, Matvey | | | 1479 | RUS | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Afanasiev, Mikhail V | | | 1246 | RUS | 0.00 | 1 | -0.57 | 40 | -22.80 | | | Perminov, Yaroslav Art. | | | 1181 | RUS | 0.00 | 1 | -0.66 | 40 | -26.40 | | | Spiridonov, Sergey | | | 1226 | RUS | 0.00 | 1 | -0.60 | 40 | -24.00 | | | Nikitin, Andrey I. | | | 1266 | RUS | 0.50 | 1 | -0.04 | 40 | -1.60 | | | Santarov, Alexander | | | 1197 | RUS | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Lezin, Aleksandr | | | 1515 | RUS | 0.00 | 1 | -0.22 | 40 | -8.80 | |
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) | | |
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