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Individual Calculations September 2017 |
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| Razanadratovo, Iorvice Total change: -58.00 | |   |
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| Championnat Regional Boeny 2017 | Mahajanga | MAD | 2017-07-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1767 | 1817 | 1.50 | 4 | -0.77 | 40 | -30.80 | |
|  Rakotoarinosy, Williams | | | 1666 | MAD | 0.50 | 1 | -0.20 | 40 | -8.00 | |  Rafenohery, Lova | | | 1963 | MAD | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Rajonson, Andry | | | 1717 | MAD | 0.00 | 1 | -0.64 | 40 | -25.60 | | | Andrianarisoa, Luc Narda | | | 1721 | MAD | 1.00 | 1 | 0.37 | 40 | 14.80 | |
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) | | | | Madagscar National Chess Championship 2017 | Arivonimamo | MAD | 2017-08-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1667 | 1817 | 4.00 | 7 | -0.68 | 40 | -27.20 | |
| | Henikasina, Richard | | | 1939 | MAD | 0.00 | 1 | -0.33 | 40 | -13.20 | | | Andriatahina, Serge | | | 1581 | MAD | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Randriamahefa, Fenitra Anthony | | | 1902 | MAD | 0.00 | 1 | -0.38 | 40 | -15.20 | | | Ralaiarisoa, Derarilaza Petera | | | 1720 | MAD | 0.00 | 1 | -0.63 | 40 | -25.20 | | | Raharison , Rindra Fitiavana | | | 1417 * | MAD | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Rakotoarisoa, Rinah Fanomezantsoa | | | 1459 | MAD | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Valisoa, Jean Herve | | | 1654 | MAD | 1.00 | 1 | 0.28 | 40 | 11.20 | | | * 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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