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Individual Calculations September 2009 |
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| Kobese, Watu Kw. Total change: -6.30 | |   |
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| South African Open Chess Championship | Cape Town | RSA | 2009-07-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2070 | 2391 | 4.00 | 6 | -1.16 | 10 | -11.60 | |
|  Louvrier Saint-Mary, Jean-Roger | | | 2017 | FRA | 1.00 | 1 | 0.10 | 10 | 1.00 | |  Makoto, Rodwell | | | 2157 | ZIM | 1.00 | 1 | 0.21 | 10 | 2.10 | | | Mosethle, Kgaugelo K. | | | 2085 | RSA | 0.00 | 1 | -0.86 | 10 | -8.60 | | | Lochte, Thomas | | | 2176 | GER | 1.00 | 1 | 0.23 | 10 | 2.30 | | | Van Rensburg, Ryan P. | | | 1991 * | RSA | 0.00 | 1 | -0.92 | 10 | -9.20 | | | Steyn, Hans | | | 1991 * | RSA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | * 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) | | | | 2009 African Individual Chess Championship (gen) | Tripoli | LBA | 2009-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2391 | 2391 | 5.00 | 9 | 0.53 | 10 | 5.30 | |
| | Humrana, Mostafa | | | 2114 | LBA | 1.00 | 1 | 0.17 | 10 | 1.70 | | | Adly, Ahmed | g | | 2548 | EGY | 0.50 | 1 | 0.21 | 10 | 2.10 | | | Simutowe, Amon | g | | 2481 | ZAM | 0.50 | 1 | 0.12 | 10 | 1.20 | | | Amin, Bassem | g | | 2551 | EGY | 0.00 | 1 | -0.29 | 10 | -2.90 | | | Chahrani, Ibrahim | f | | 2280 | LBA | 1.00 | 1 | 0.35 | 10 | 3.50 | | | Rizouk, Aimen | g | | 2506 | ALG | 0.50 | 1 | 0.16 | 10 | 1.60 | | | Njili, Kamel | f | | 2318 | TUN | 1.00 | 1 | 0.40 | 10 | 4.00 | | | Haddouche, Mohamed | m | | 2329 | ALG | 0.00 | 1 | -0.59 | 10 | -5.90 | | | Sarwat, Walaa | m | | 2390 | EGY | 0.50 | 1 | 0.00 | 10 | 0.00 | |
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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