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Individual Calculations September 2011 |
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| Karklins, Andrew Total change: -5.10 | |   |
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| 39th Annual World Open - U2400 Section | Philadelphia, Pennsylvania | USA | 2011-06-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2119 | 2215 | 1.00 | 4 | -1.50 | 15 | -22.50 | |
|  De Fotis, Gary C | | | 2032 | USA | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Liu, Elliott J | f | | 2291 | USA | 0.00 | 1 | -0.40 | 15 | -6.00 | |  Kogen, Jonathan S | | | 1998 | USA | 0.00 | 1 | -0.78 | 15 | -11.70 | | | Ross, Laura | | wf | 2154 | USA | 0.00 | 1 | -0.58 | 15 | -8.70 | |
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) | | | | 4th Annual Chicago Class | Wheeling, Illinois | USA | 2011-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2271 | 2210 | 2.00 | 4 | 0.33 | 15 | 4.95 | |
| | Sharevich, Anna | | wg | 2344 | BLR | 0.50 | 1 | 0.18 | 15 | 2.70 | | | Sarkar, Justin | m | | 2376 | USA | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Ni, Viktorija | | wm | 2185 | LAT | 1.00 | 1 | 0.47 | 15 | 7.05 | | | Stamnov, Aleksanda | f | | 2178 | MKD | 0.50 | 1 | -0.04 | 15 | -0.60 | |
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) | | | | 6th Annual Indianapolis Open | Indianapolis, Indiana | USA | 2011-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2282 | 2210 | 3.00 | 5 | 0.83 | 15 | 12.45 | |
| | Thomas, Kenneth P | | | 2144 | USA | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Mills, James A | | | 2124 | USA | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Gareyev, Timur | g | | 2610 * | UZB | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Ofek, Ariel | | | 2051 | USA | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Gurevich, Dmitry | g | | 2479 | USA | 0.00 | 1 | -0.17 | 15 | -2.55 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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