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Individual Calculations May 2023 |
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| Kostov, Troyan Total change: -8.80 | |   |
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| Basel Easter Experts Open | Basel | SUI | 2023-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1728 | 1609 | 2.00 | 5 | 0.28 | 40 | 11.20 | |
|  Eropunov, Gleb | | | 1934 | UKR | 0.00 | 1 | -0.13 | 40 | -5.20 | |  Schaumberger, Lily | | | 1233 | SUI | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Kaser, Nicolas | | | 1853 | SUI | 1.00 | 1 | 0.80 | 40 | 32.00 | | | Sperzel, Bernd | | | 1831 | SUI | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Proietti Tocca, Tosca | | | 1790 | ITA | 0.00 | 1 | -0.26 | 40 | -10.40 | |
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) | | | | 2023 World School Chess Championships - open U13 | Rhodes | GRE | 2023-04-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1475 | 1609 | 5.50 | 9 | -0.50 | 40 | -20.00 | |
| | Aghayev, Seymur | | | 1244 | KAZ | 0.50 | 1 | -0.40 | 40 | -16.00 | | | Mezni, Elyes | | | 1457 | TUN | 0.00 | 1 | -0.70 | 40 | -28.00 | | | Luk, Danbe | | | 1315 | HKG | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Sailaubay, Aldiyar | | | 1494 | KAZ | 1.00 | 1 | 0.34 | 40 | 13.60 | | | Mukhsinov, Mukhammad Yusuf | | | 1560 | UZB | 1.00 | 1 | 0.43 | 40 | 17.20 | | | Di Bartolomeo, Adrian Mikail | | | 1809 | ITA | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Leung, Hao Ran | | | 1410 | HKG | 0.00 | 1 | -0.76 | 40 | -30.40 | | | Morrison, Joseph | | | 1490 | ENG | 1.00 | 1 | 0.34 | 40 | 13.60 | | | Zhu, Pengxiao | | | 1494 | ENG | 1.00 | 1 | 0.34 | 40 | 13.60 | |
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) | | |
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