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Individual Calculations January 2009 |
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| Pamatmat, Jarod M Total change: 27.45 | |   |
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| TexOhma FIDE Open | Richardson, Texas | USA | 2008-09-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1905 | 1844 | 1.50 | 3 | 0.21 | 15 | 3.15 | |
|  Chiang, Sarah | | wc | 1564 | USA | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Bantic, Mihail | | | 2192 | SRB | 0.00 | 1 | -0.11 | 15 | -1.65 | |  Phillips, David W | | | 1958 | USA | 0.50 | 1 | 0.16 | 15 | 2.40 | |
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) | | | | Dallas Open | Richardson, Texas | USA | 2008-10-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2207 | 1955 | 2.00 | 3 | 1.43 | 15 | 21.45 | |
| | Nonchev, Kalin K | | | 2171 | USA | 1.00 | 1 | 0.78 | 15 | 11.70 | | | Yang, Darwin | f | | 2182 | USA | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Vedrickas, Tautvydas | | | 2268 | LTU | 1.00 | 1 | 0.86 | 15 | 12.90 | |
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) | | | | World Youth Chess Championships 2008 - Open 12 | Vung Tau | VIE | 2008-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1899 | 1955 | 2.00 | 3 | 0.28 | 15 | 4.20 | |
| | Papakonstantinou, Dimitrios | | | 1759 | GRE | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Vigram, M | | | 1776 | IND | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Girish, A Koushik | f | | 2161 | IND | 0.00 | 1 | -0.24 | 15 | -3.60 | |
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) | | | | 8th Annual Ken Smith Memorial Open | Fort Worth, Texas | USA | 2008-11-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1923 | 1955 | 2.00 | 4 | -0.09 | 15 | -1.35 | |
| | Chiang, Jonathan | | | 1605 | USA | 0.50 | 1 | -0.39 | 15 | -5.85 | | | Chiang, Sarah | | wc | 1605 | USA | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Chua, Alexander J | | | 2249 | USA | 0.50 | 1 | 0.35 | 15 | 5.25 | | | Salman, Mohammad Y | | | 2234 | JOR | 0.00 | 1 | -0.16 | 15 | -2.40 | |
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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