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Individual Calculations January 2010 |
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| Chiari, Arthur Gontijo Total change: -8.55 | |   |
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| World Youth Chess Championship-u12 | Antalya | TUR | 2009-11-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2008 | 1895 | 3.00 | 9 | -0.30 | 15 | -4.50 | |
|  Popov, Andrey | | | 2054 | RUS | 1.00 | 1 | 0.71 | 15 | 10.65 | |  Shen, Arthur | f | | 2057 | USA | 1.00 | 1 | 0.71 | 15 | 10.65 | | | Cheng, Bobby | | | 2202 | AUS | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Tran, Tuan Minh | f | | 2105 | VIE | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Castro, Jairo Antonio | | | 1993 | COL | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Das, Sayantan | f | | 2294 | IND | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Ersoz, Bartu | | | 1692 | TUR | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Akhmetov, Ayan | | | 1967 | KAZ | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Gupta, Bhaskar | | | 1710 | IND | 0.00 | 1 | -0.74 | 15 | -11.10 | |
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) | | | | Semifinal do Campeonato Mineiro Absoluto 2009 | Belo Horizonte/MG | BRA | 2009-11-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2066 | 1895 | 0.00 | 1 | -0.27 | 15 | -4.05 | |
| | Dos Santos, Maicon Ferreira | | | 2066 | BRA | 0.00 | 1 | -0.27 | 15 | -4.05 | |
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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