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Individual Calculations October 2023 |
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| Zhelyazkov, Borislav Total change: 46.00 | |   |
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| Bulgarian Team Chess Championship U10 Boys | Kranevo | BUL | 2023-08-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1275 | 1338 | 2.00 | 4 | -0.32 | 40 | -12.80 | |
|  Mihaylov, Bozhidar | | | 1537 | BUL | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Nurvet, Zhulin | | | 1333 | BUL | 0.50 | 1 | -0.01 | 40 | -0.40 | | | Stefanov, Georgi S | | | 1100 | BUL | 1.00 | 1 | 0.20 | 40 | 8.00 | |  Stoyadinov, Viktor | | | 1130 | BUL | 0.50 | 1 | -0.27 | 40 | -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) | | | | European Youth Championship - Open 10 | Mamaia | ROU | 2023-09-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1448 | 1338 | 4.50 | 8 | 1.47 | 40 | 58.80 | |
| | Cazacu, Iustin-Nicolas | | | 1758 | ROU | 0.50 | 1 | 0.43 | 40 | 17.20 | | | Stepanyan, Davit | | | 1487 | ARM | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Balan, Vladimir | | | 1171 | ROU | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Larion, Iustin | | | 1596 | ROU | 0.50 | 1 | 0.32 | 40 | 12.80 | | | Hallmundarson, Birkir | | | 1565 | ISL | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Orujzade, Omar | | | 1169 | AZE | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Dumitrescu, Alexandru-Petru | | | 1206 | ROU | 0.50 | 1 | -0.18 | 40 | -7.20 | | | Gazic, Petar | | | 1634 | BIH | 1.00 | 1 | 0.85 | 40 | 34.00 | |
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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