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Individual Calculations November 2010 |
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| Perepelitsky, Edward Total change: 2.85 | |   |
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| Peter Grey Tuesday Night Marathon | San Francisco, California | USA | 2010-08-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2100 | 2152 | 2.50 | 5 | -0.34 | 15 | -5.10 | |
|  Zavadsky, Peter | | | 2258 | SVK | 0.00 | 1 | -0.36 | 15 | -5.40 | |  Krasnov, Steven | | | 1955 | USA | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Gaffagan, Steven | | | 2010 | USA | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Fuentes, Romulo | | | 2197 | USA | 0.50 | 1 | 0.06 | 15 | 0.90 | | | Traub, Igor | | | 2082 | USA | 0.00 | 1 | -0.60 | 15 | -9.00 | |
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) | | | | 2010 CalChess Labor Day Championships | San Francisco, California | USA | 2010-09-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2296 | 2150 | 3.50 | 6 | 1.62 | 15 | 24.30 | |
| | Uesugi, Shinsaku | f | | 2332 | JPN | 1.00 | 1 | 0.74 | 15 | 11.10 | | | Zilberstein, Dmitry | m | | 2384 | USA | 0.50 | 1 | 0.29 | 15 | 4.35 | | | Liou, Yian | | | 2249 | USA | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Lee, Andy C | f | | 2287 | USA | 1.00 | 1 | 0.68 | 15 | 10.20 | | | Zierk, Steven C | f | | 2391 | USA | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Heiserman, Jimmy P | | | 2131 | USA | 1.00 | 1 | 0.47 | 15 | 7.05 | |
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) | | | | 19th Annual Midwest Class Championships | Wheeling, Illinois | USA | 2010-10-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2141 | 2150 | 1.50 | 5 | -1.09 | 15 | -16.35 | |
| | Kleiman, Jake | m | | 2402 | USA | 0.50 | 1 | 0.31 | 15 | 4.65 | | | Karklins, Andrew | f | | 2208 | USA | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Ulrich, Thomas M | | | 2086 | USA | 0.00 | 1 | -0.59 | 15 | -8.85 | | | Veech, John | | | 2035 | USA | 0.00 | 1 | -0.66 | 15 | -9.90 | | | Auger, Michael W | | | 1974 | USA | 1.00 | 1 | 0.27 | 15 | 4.05 | |
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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