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Individual Calculations September 2015 |
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| Rakotomaharo, Tahina Total change: 38.40 | |   |
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| International Chess Open 2015 - Madagascar | Antananarivo | MAD | 2015-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1899 | 2002 | 2.50 | 5 | -0.65 | 40 | -26.00 | |
|  Razafimahefa, Hariniaina | | | 1602 * | MAD | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Beanjara , James Stephen | | | 1723 | MAD | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Rakotomaharo, Fy Antenaina | f | | 2402 * | MAD | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Andriamandimbisoa, Harison | | | 1955 | MAD | 0.50 | 1 | -0.07 | 40 | -2.80 | | | Andriafidison, Ranto | | | 1815 | MAD | 0.00 | 1 | -0.74 | 40 | -29.60 | | | * 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) | | | | Tana Chess Championships | Antananarivo | MAD | 2015-08-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1944 | 2002 | 4.50 | 5 | 1.61 | 40 | 64.40 | |
| | Andrianiaina, Heritiana | | | 1836 | MAD | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Andriniaina, Nantenaina | | | 1908 | MAD | 1.00 | 1 | 0.37 | 40 | 14.80 | | | Andriamandimbisoa, Harison | | | 1955 | MAD | 1.00 | 1 | 0.43 | 40 | 17.20 | | | Raharison, Dina Fanomezana | | | 1906 | MAD | 1.00 | 1 | 0.37 | 40 | 14.80 | | | Andriamasoandro, Miora | | | 2117 | MAD | 0.50 | 1 | 0.16 | 40 | 6.40 | |
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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