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Individual Calculations May 2023 |
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| Zhu, Pengxiao Total change: -7.56 | |   |
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| Bristol Open Spring Congress - 89th Bristol League Championship | Bristol | ENG | 2023-03-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1865 | 1494 | 1.00 | 4 | 0.59 | 36 | 21.24 | |
|  Baer, Bruce L | | | 1963 | ENG | 0.00 | 1 | -0.05 | 36 | -1.80 | |  Miller, George | | | 1841 | ENG | 0.00 | 1 | -0.11 | 36 | -3.96 | | | Williams, Stephen M | | | 1837 | ENG | 1.00 | 1 | 0.88 | 36 | 31.68 | | | Pal, Rohan | | | 1817 | ENG | 0.00 | 1 | -0.13 | 36 | -4.68 | |
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) | | | | Turnaj sachovych nadeji 2023 - U12 | Frydek-Mistek | CZE | 2023-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1269 | 1494 | 4.00 | 7 | -1.28 | 36 | -46.08 | |
| | Baluh, Alina | | | 1187 | UKR | 0.00 | 1 | -0.86 | 36 | -30.96 | | | Mojzisova, Barbora | | | 1139 | CZE | 1.00 | 1 | 0.11 | 36 | 3.96 | | | Sotek, Matej | | | 1358 | CZE | 0.50 | 1 | -0.18 | 36 | -6.48 | | | Wang, Luoke | | | 1627 | ENG | 0.50 | 1 | 0.18 | 36 | 6.48 | | | Kaminska, Zuzanna | | | 1330 | POL | 0.00 | 1 | -0.72 | 36 | -25.92 | | | Walder, Hugo | | | 1117 | CZE | 1.00 | 1 | 0.09 | 36 | 3.24 | | | Slivka, Martin | | | 1122 | SVK | 1.00 | 1 | 0.10 | 36 | 3.60 | |
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) | | | | 2023 World School Chess Championships - open U13 | Rhodes | GRE | 2023-04-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1579 | 1494 | 3.50 | 8 | 0.48 | 36 | 17.28 | |
| | Ozbulbul, Dikran | | | 1615 | TUR | 0.50 | 1 | 0.16 | 36 | 5.76 | | | Skodras, Marios Konstantinos | | | 1651 | GRE | 1.00 | 1 | 0.71 | 36 | 25.56 | | | Costache, Andrei Eugeniu | | | 1743 | ROU | 0.50 | 1 | 0.31 | 36 | 11.16 | | | Zhauynbay, Aldiyar | | | 1717 | KAZ | 0.00 | 1 | -0.22 | 36 | -7.92 | | | Makrylakis, Iason | | | 1630 | GRE | 1.00 | 1 | 0.68 | 36 | 24.48 | | | Koyuncu, Omer Arda | | | 1570 | TUR | 0.00 | 1 | -0.40 | 36 | -14.40 | | | Ben Salha, Ahmed | | | 1094 * | TUN | 0.50 | 1 | -0.42 | 36 | -15.12 | | | Kostov, Troyan | | | 1609 | BUL | 0.00 | 1 | -0.34 | 36 | -12.24 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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