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Individual Calculations February 2023 |
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| Psaila, Ocean Total change: 102.40 | |   |
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| Chessfestival Groningen 2022 Open C | Groningen | NED | 2022-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1562 | 1298 | 3.50 | 5 | 2.56 | 40 | 102.40 | |
|  Heijmans, Merlijn | | | 1513 | NED | 0.50 | 1 | 0.27 | 40 | 10.80 | |  Pompstra, Henk | | | 1696 | NED | 1.00 | 1 | 0.92 | 40 | 36.80 | | | Graaff, Rob | | | 1533 | NED | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Smit, Tom | | | 1494 | NED | 1.00 | 1 | 0.75 | 40 | 30.00 | | | Jorritsma, Johan | | | 1572 | NED | 1.00 | 1 | 0.83 | 40 | 33.20 | |
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) | | |
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