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Individual Calculations May 2019 |
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| Chiku-Ratte, Olivier Kenta Total change: -28.30 | |   |
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| 2019 RA March Open | Ottawa | CAN | 2019-03-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2154 | 2391 | 4.50 | 5 | 0.68 | 20 | 13.60 | |
|  Molnar, Jozsef | | | 2058 | HUN | 1.00 | 1 | 0.12 | 20 | 2.40 | |  Yao, Houji | | | 2051 | CAN | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Ning, Alwin | | | 1991 * | CAN | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Tomb, Maroun | c | | 2180 | LBN | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Sambuev, Bator | g | | 2489 | CAN | 0.50 | 1 | 0.13 | 20 | 2.60 | | | * 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) | | | | Championnat invitation du Quebec 2019 | Montreal | CAN | 2019-03-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2088 | 2391 | 0.00 | 2 | -1.72 | 20 | -34.40 | |
| | Huang, Qiuyu | f | | 2088 | CAN | 0.00 | 1 | -0.86 | 20 | -17.20 | | | Huang, Qiuyu | f | | 2088 | CAN | 0.00 | 1 | -0.86 | 20 | -17.20 | |
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) | | | NOTE: K factor changed | | 2019 Canada Zonal | Kingston | CAN | 2019-04-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2289 | 2406 | 5.00 | 9 | -0.75 | 10 | -7.50 | |
| | Huang, Qiuyu | f | | 2145 | CAN | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Javidfard, Amirsalar | | | 2024 | IRI | 1.00 | 1 | 0.09 | 10 | 0.90 | | | Yang, Kaiqi | g | | 2505 | CAN | 0.50 | 1 | 0.14 | 10 | 1.40 | | | Thavandiran, Shiyam | m | | 2412 | CAN | 0.50 | 1 | 0.01 | 10 | 0.10 | | | Hambleton, Aman | g | | 2484 | CAN | 0.50 | 1 | 0.11 | 10 | 1.10 | | | Dukic, Zachary | | | 2167 | CAN | 0.00 | 1 | -0.80 | 10 | -8.00 | | | Plotkin, Victor | f | | 2304 | CAN | 1.00 | 1 | 0.36 | 10 | 3.60 | | | Findlay, Ian | f | | 2233 | CAN | 0.50 | 1 | -0.23 | 10 | -2.30 | | | Plotkin, Mark | f | | 2326 | CAN | 0.00 | 1 | -0.61 | 10 | -6.10 | |
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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