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Individual Calculations April 2023 |
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| Jortay, Olivier Total change: 1.80 | |   |
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| CRELEL Soultanbeieff 2023 Ronde 1 | Liege | BEL | 2023-03-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1220 | 1625 | 1.00 | 1 | 0.08 | 20 | 1.60 | |
|  Habran, Arthur | | | 1220 | BEL | 1.00 | 1 | 0.08 | 20 | 1.60 | |
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) | | | | CRELEL Soultanbeieff 2023 Ronde 2 | Liege | BEL | 2023-03-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1225 | 1625 | 1.00 | 1 | 0.08 | 20 | 1.60 | |
|  Lazzari, Irene | | | 1225 * | BEL | 1.00 | 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) | | | | Belgian Interclubs 2022-2023 Ronde 9 | Various Places | BEL | 2023-03-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1456 | 1625 | 0.50 | 1 | -0.22 | 20 | -4.40 | |
| | Delmee, Pierre | | | 1456 | BEL | 0.50 | 1 | -0.22 | 20 | -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) | | | | CRELEL Soultanbeieff 2023 Ronde 4 | Liege | BEL | 2023-03-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1327 | 1625 | 1.00 | 1 | 0.15 | 20 | 3.00 | |
| | Van Onckelen, Noam | | | 1327 | BEL | 1.00 | 1 | 0.15 | 20 | 3.00 | |
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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