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Individual Calculations January 2014 |
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| Chumfwa, Kelvin Total change: 7.65 | |   |
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| AIRTEL CHESS CHALLENGE - SECTION A (Nov) | LUSAKA | ZAM | 2013-11-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2060 | 2213 | 1.50 | 2 | 0.09 | 15 | 1.35 | |
|  Midosantos, Chola | | | 2081 | ZAM | 1.00 | 1 | 0.32 | 15 | 4.80 | |  Siame, Kela | | | 2039 | ZAM | 0.50 | 1 | -0.23 | 15 | -3.45 | |
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) | | | | Phase 2 of the National Team trials - 2013 | LUSAKA | ZAM | 2013-12-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2180 | 2213 | 1.50 | 2 | 0.42 | 15 | 6.30 | |
| | Siame, Kela | | | 2039 | ZAM | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Chumfwa, Stanley | m | | 2320 | ZAM | 0.50 | 1 | 0.15 | 15 | 2.25 | |
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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