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Individual Calculations December 2021 |
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| Maina, Chris Total change: 138.40 | |   |
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| 2021 Mombasa Open Chess Championship - Open Section | Mombasa | KEN | 2021-10-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1844 | 1598 | 2.00 | 5 | 1.00 | 40 | 40.00 | |
|  Musasizi, Emmanuel | | | 1933 | UGA | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Singe, Philip Mbawala | | | 1867 | KEN | 1.00 | 1 | 0.83 | 40 | 33.20 | | | Adorwa, Brian Kadenge | | | 1866 | KEN | 0.50 | 1 | 0.33 | 40 | 13.20 | |  Okeyo, Austin Steve | | | 1845 | KEN | 0.50 | 1 | 0.31 | 40 | 12.40 | | | Amatalo, Moses Abasa | | | 1709 | KEN | 0.00 | 1 | -0.35 | 40 | -14.00 | |
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) | | | | Village Market Open Chess Championship | Nairobi | KEN | 2021-11-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1836 | 1598 | 2.50 | 4 | 1.63 | 40 | 65.20 | |
| | Mugoda, Solomon | | | 1827 | UGA | 0.50 | 1 | 0.29 | 40 | 11.60 | | | Riungu, Kevin | | | 1786 | KEN | 1.00 | 1 | 0.74 | 40 | 29.60 | | | Methu, Joseph Muragu | | | 1998 * | KEN | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Sinoya, Evans | | | 1731 | KEN | 1.00 | 1 | 0.68 | 40 | 27.20 | | | * 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) | | | | Muranga Open Chess Championship 2021 - Open Section | Muranga | KEN | 2021-11-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1795 | 1598 | 2.00 | 4 | 0.83 | 40 | 33.20 | |
| | Gitau, Eric Ngechua | | | 1198 * | KEN | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Hinga, Githinji | | | 1984 | KEN | 1.00 | 1 | 0.91 | 40 | 36.40 | | | Namale, Ben Nguku | | | 1998 * | KEN | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Gohil, Mehul | | | 1998 * | KEN | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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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