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Individual Calculations July 2009 |
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| Hortillosa, Andres Total change: -28.00 | |   |
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| 19th NA FIDE Invitational | Skokie, Illinois | USA | 2009-03-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2276 | 2141 | 4.00 | 9 | 1.03 | 25 | 25.75 | |
|  Muradian, Sevan A | | | 1925 | USA | 0.50 | 1 | -0.28 | 25 | -7.00 | |  Young, Angelo | m | | 2361 | PHI | 0.50 | 1 | 0.28 | 25 | 7.00 | | | Pasalic, Mehmed | m | | 2365 | GER | 1.00 | 1 | 0.78 | 25 | 19.50 | | | Tennant, Steven | | | 2203 | USA | 0.50 | 1 | 0.09 | 25 | 2.25 | | | Boor, Carl B | f | | 2318 | USA | 1.00 | 1 | 0.73 | 25 | 18.25 | | | Felecan, Florin | f | | 2380 | USA | 0.00 | 1 | -0.20 | 25 | -5.00 | | | Amanov, Mesgen | m | | 2453 | TKM | 0.00 | 1 | -0.14 | 25 | -3.50 | | | Chow, Albert C | f | | 2203 | USA | 0.00 | 1 | -0.41 | 25 | -10.25 | | | Shankar, Gauri | f | | 2272 | IND | 0.50 | 1 | 0.18 | 25 | 4.50 | |
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 |
| 2217 | 2143 | 1.50 | 9 | -2.15 | 25 | -53.75 | |
| | Pruess, David | m | | 2400 | USA | 0.00 | 1 | -0.18 | 25 | -4.50 | | | Rowley Ii, Robert | f | | 2234 | USA | 0.50 | 1 | 0.12 | 25 | 3.00 | | | Atoufi, Pedram | f | | 2306 | IRI | 0.00 | 1 | -0.28 | 25 | -7.00 | | | Harmon-Vellotti, Luke | | | 2011 | USA | 0.50 | 1 | -0.18 | 25 | -4.50 | | | Mueller, Jason L | | | 2174 | USA | 0.00 | 1 | -0.46 | 25 | -11.50 | | | Haskel, Jeffrey | | | 2140 | USA | 0.00 | 1 | -0.50 | 25 | -12.50 | | | Ding, Richard | | | 2134 | USA | 0.50 | 1 | -0.01 | 25 | -0.25 | | | Adelberg, David | | | 2158 | USA | 0.00 | 1 | -0.48 | 25 | -12.00 | | | Rensch, Daniel M | f | | 2400 | USA | 0.00 | 1 | -0.18 | 25 | -4.50 | |
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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