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Individual Calculations September 2009 |
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| Studen, Damir Total change: -25.20 | |   |
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| 3rd Annual Philadelphia International | Philadelphia, Pennsylvania | USA | 2009-06-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2174 | 2208 | 4.50 | 9 | -0.42 | 15 | -6.30 | |
|  Bellaiche, Anthony | m | | 2450 | FRA | 0.00 | 1 | -0.20 | 15 | -3.00 | |  Me, Kevin | | | 2116 | CAN | 0.50 | 1 | -0.13 | 15 | -1.95 | | | Ng, Gary K | | | 2085 | CAN | 0.50 | 1 | -0.17 | 15 | -2.55 | | | Heung, Christopher | | | 1985 | USA | 0.50 | 1 | -0.28 | 15 | -4.20 | | | Clancy, Daniel J | | | 2081 | USA | 0.50 | 1 | -0.17 | 15 | -2.55 | | | Naroditsky, Alan J | | | 2120 | USA | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Tuhrim, Richard J | | | 2022 | USA | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Yeager, Daniel A | f | | 2372 | USA | 0.50 | 1 | 0.22 | 15 | 3.30 | | | Naroditsky, Daniel | f | | 2335 | USA | 0.00 | 1 | -0.33 | 15 | -4.95 | |
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) | | | | 37th Annual World Open - Under 2400 Section | Philadelphia, Pennsylvania | USA | 2009-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2105 | 2208 | 2.00 | 4 | -0.56 | 15 | -8.40 | |
| | Harris, Neal D | | | 2105 | USA | 0.50 | 1 | -0.14 | 15 | -2.10 | | | Tae, Patrick John | | | 2092 | USA | 0.50 | 1 | -0.16 | 15 | -2.40 | | | Chan, Julian M | | | 2080 | USA | 0.50 | 1 | -0.17 | 15 | -2.55 | | | Rosen, Eric S | | | 2142 | USA | 0.50 | 1 | -0.09 | 15 | -1.35 | |
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) | | | | 110th Annual US Open | Indianapolis, Indiana | USA | 2009-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2184 | 2219 | 1.50 | 4 | -0.70 | 15 | -10.50 | |
| | Hortillosa, Andres | | | 2115 | USA | 0.00 | 1 | -0.64 | 15 | -9.60 | | | Keating, Robert F | | | 2068 | USA | 0.50 | 1 | -0.20 | 15 | -3.00 | | | Wasiolek, Rory E | | | 2098 | USA | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Ippolito, Dean J | m | | 2455 | USA | 0.00 | 1 | -0.20 | 15 | -3.00 | |
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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