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Individual Calculations October 2023 |
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| Lazzari, Irene Total change: -26.80 | |   |
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| Challenge Lalevitch 2023 Ronde 1 | Liege | BEL | 2023-09-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1630 | 1221 | 0.00 | 1 | -0.08 | 40 | -3.20 | |
|  Katumwa, Iko | | | 1630 | BEL | 0.00 | 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) | | | | Challenge Lalevitch 2023 Ronde 2 | Liege | BEL | 2023-09-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1415 | 1221 | 0.00 | 1 | -0.25 | 40 | -10.00 | |
|  Lievens, Robert | | | 1415 | BEL | 0.00 | 1 | -0.25 | 40 | -10.00 | |
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) | | | | 2eme tournoi d'echecs des Trois Vallees Automne 2023 Ronde 1 | Tihange | BEL | 2023-09-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1743 | 1221 | 0.00 | 1 | -0.03 | 40 | -1.20 | |
| | Gheury, Jean-Marie | | | 1743 | BEL | 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) | | | | Challenge Lalevitch 2023 Ronde 3 | Liege | BEL | 2023-09-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1362 | 1221 | 0.00 | 1 | -0.31 | 40 | -12.40 | |
| | Orban, Didier | | | 1362 | BEL | 0.00 | 1 | -0.31 | 40 | -12.40 | |
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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