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Individual Calculations April 2023 |
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| Helgadottir, Idunn Total change: -14.40 | |   |
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| The 7th International Youth ChessMates Tournament | Navan | IRL | 2023-03-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1658 | 1636 | 2.00 | 5 | -0.31 | 40 | -12.40 | |
|  Haubold, Sebastian Marcel | | | 1946 | GER | 0.00 | 1 | -0.14 | 40 | -5.60 | |  Verheij, Dana | | | 1881 | NED | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Kien, Lancelot | | | 1480 | MNC | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Sachdeva, Ronit | | | 1755 | ENG | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Nonnenmacher, Philipp | | | 1230 | GER | 1.00 | 1 | 0.08 | 40 | 3.20 | |
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) | | | | Icelandic Team Championship 2022-23 - 2nd div. Round 5-7 | Reykjavik | ISL | 2023-03-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1820 | 1636 | 0.50 | 2 | -0.05 | 40 | -2.00 | |
| | Sigurdsson, Pall | | | 1926 | ISL | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Masson, Kjartan | | | 1713 | ISL | 0.50 | 1 | 0.11 | 40 | 4.40 | |
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) | | |
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