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Individual Calculations July 2009 |
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| Rowley Ii, Robert Total change: -14.80 | |   |
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| 18th Annual Chicago Open - U2300 Section | Wheeling, Illinois | USA | 2009-05-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2118 | 2234 | 1.50 | 4 | -1.11 | 10 | -11.10 | |
|  Pappu, Ananth | | | 2149 | USA | 0.50 | 1 | -0.12 | 10 | -1.20 | |  Shetty, Atulya A | | | 1972 | USA | 0.50 | 1 | -0.32 | 10 | -3.20 | | | Burgess, Jon L | | | 2230 | ENG | 0.00 | 1 | -0.51 | 10 | -5.10 | | | Smith, Garrett L | | | 2119 | USA | 0.50 | 1 | -0.16 | 10 | -1.60 | |
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) | | | | The Copper State International | Mesa, Arizona | USA | 2009-05-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2248 | 2234 | 4.00 | 9 | -0.37 | 10 | -3.70 | |
| | Barcenilla Jr, Rogelio | m | | 2503 | PHI | 0.00 | 1 | -0.17 | 10 | -1.70 | | | Hortillosa, Andres | | | 2143 | USA | 0.50 | 1 | -0.12 | 10 | -1.20 | | | Mackinnon, Keith | | | 2145 | CAN | 0.50 | 1 | -0.12 | 10 | -1.20 | | | Haskel, Jeffrey | | | 2140 | USA | 0.50 | 1 | -0.13 | 10 | -1.30 | | | Morshedi, Ali | f | | 2347 | USA | 0.50 | 1 | 0.15 | 10 | 1.50 | | | Adelberg, David | | | 2158 | USA | 0.50 | 1 | -0.10 | 10 | -1.00 | | | Sarkar, Justin | m | | 2410 | USA | 0.00 | 1 | -0.27 | 10 | -2.70 | | | Ding, Richard | | | 2134 | USA | 1.00 | 1 | 0.36 | 10 | 3.60 | | | Ristovic, Nenad | f | | 2252 | CAN | 0.50 | 1 | 0.03 | 10 | 0.30 | |
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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