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Rapid:
Individual Calculations September 2023 |
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| Belmadani, Naim Total change: 27.20 | |   |
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| 31. tournoi d'echec Martigny | Martigny | SUI | 2023-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2008 | 1510 | 1.00 | 3 | 0.68 | 40 | 27.20 | |
|  Olivier, Jean-Christophe | m | | 2305 | FRA | 0.00 | 1 | 0.00 | 40 | 0.00 | |  Emery, Michel | | | 1667 | SUI | 1.00 | 1 | 0.71 | 40 | 28.40 | | | Vianin, Pascal | | | 2053 | SUI | 0.00 | 1 | -0.03 | 40 | -1.20 | |
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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