Individual Calculations September 2009 |
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Pressman, Leif A Total change: 12.90 | | |
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37th Annual World Open - Open Section | Philadelphia, Pennsylvania | USA | 2009-06-29 |
Rc | Ro | w | n | change | K | K*chg | Game |
2250 | 2057 | 0.50 | 3 | -0.37 | 15 | -5.55 | |
| Zapata, Alonso | g | | 2407 | COL | 0.00 | 1 | -0.11 | 15 | -1.65 | | Yeager, Daniel A | f | | 2372 | USA | 0.00 | 1 | -0.14 | 15 | -2.10 | | Freix, Andrew J | | | 1972 | USA | 0.50 | 1 | -0.12 | 15 | -1.80 | | 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 |
2245 | 2057 | 2.00 | 3 | 1.23 | 15 | 18.45 | |
| Rodriguez, Eric | | | 2247 | USA | 1.00 | 1 | 0.75 | 15 | 11.25 | | Zierk, Steven C | | | 2296 | USA | 0.50 | 1 | 0.30 | 15 | 4.50 | | Kahn, Aaron E | | | 2192 | USA | 0.50 | 1 | 0.18 | 15 | 2.70 | | 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) | |
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