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Individual Calculations September 2023 |
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| Chiku-Ratte, Olivier-Kenta Total change: -10.00 | |   |
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| 2023 Championnat ouvert d'echecs du Quebec A | Montreal | CAN | 2023-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2139 | 2318 | 5.50 | 9 | -0.82 | 10 | -8.20 | |
|  Peloquin, Charli | | | 1918 * | CAN | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Duong, Thanh Nha | m | | 2116 | CAN | 0.50 | 1 | -0.26 | 10 | -2.60 | | | Zhang, Chu Hang | | | 1953 | CAN | 0.50 | 1 | -0.40 | 10 | -4.00 | | | Zhu, Hong Rui | f | | 2176 | CAN | 0.50 | 1 | -0.19 | 10 | -1.90 | | | Batorshyn, Ilia | | | 2014 | CAN | 0.50 | 1 | -0.36 | 10 | -3.60 | | | Libersan, Thierry | | | 1920 | CAN | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Perez Rodriguez, Luis Manuel | g | | 2328 | CUB | 0.50 | 1 | 0.01 | 10 | 0.10 | | | Lawson, Eric | m | | 2221 | CAN | 1.00 | 1 | 0.37 | 10 | 3.70 | | | Bruzon Batista, Lazaro | g | | 2609 | USA | 0.00 | 1 | -0.15 | 10 | -1.50 | | | * 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) | | | | 2023 Excelsior August Open | Etobicoke, ON | CAN | 2023-08-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2021 | 2326 | 4.00 | 5 | -0.18 | 10 | -1.80 | |
| | Oancea, Nicolae | | | 1926 * | CAN | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Bordas, Gyula | | | 1951 | HUN | 1.00 | 1 | 0.09 | 10 | 0.90 | | | Li, William | c | | 2115 | CAN | 0.50 | 1 | -0.27 | 10 | -2.70 | | | Vettese, Nicholas | m | | 2220 | CAN | 0.50 | 1 | -0.14 | 10 | -1.40 | | | Ning, Eric | | | 1892 | CAN | 1.00 | 1 | 0.06 | 10 | 0.60 | | | * 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) | | |
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