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Individual Calculations November 2023 |
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| Sferruggia, Serge Total change: 33.40 | |   |
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| Challenge Lalevitch 2023 Ronde 4 | Liege | BEL | 2023-09-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1717 | 1498 | 1.00 | 1 | 0.78 | 20 | 15.60 | |
|  Morard, Ambroise | | | 1717 | BEL | 1.00 | 1 | 0.78 | 20 | 15.60 | |
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) | | | | Challenge Lalevitch 2023 Ronde 5 | Liege | BEL | 2023-10-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1897 | 1497 | 0.00 | 1 | -0.08 | 20 | -1.60 | |
|  Da Ces, Philippe | | | 1897 * | BEL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | * 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) | | | | Challenge Lalevitch 2023 Ronde 6 | Liege | BEL | 2023-10-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1724 | 1497 | 0.00 | 1 | -0.21 | 20 | -4.20 | |
| | Arabia, Allan | | | 1724 | BEL | 0.00 | 1 | -0.21 | 20 | -4.20 | |
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 7 | Liege | BEL | 2023-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1411 | 1497 | 1.00 | 1 | 0.38 | 20 | 7.60 | |
| | Jorissen, Lucas | | | 1411 | BEL | 1.00 | 1 | 0.38 | 20 | 7.60 | |
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) | | | | Challenge Lalevitch 2023 Ronde 8 | Liege | BEL | 2023-10-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1737 | 1497 | 1.00 | 1 | 0.80 | 20 | 16.00 | |
| | Moranduzzo, Marino | | | 1737 | BEL | 1.00 | 1 | 0.80 | 20 | 16.00 | |
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) | | |
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