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Individual Calculations January 2010 |
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| Eng, Randel Total change: -13.00 | |   |
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| 27th Annual Sands Regency - Western States Open | Reno, Nevada | USA | 2009-10-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2210 | 2001 | 2.00 | 6 | 0.54 | 25 | 13.50 | |
|  Zierk, Steven C | f | | 2303 | USA | 0.00 | 1 | -0.15 | 25 | -3.75 | |  Greanias, Steven D | | | 2161 | USA | 0.50 | 1 | 0.21 | 25 | 5.25 | | | Feinstein, Michael | f | | 2296 | USA | 0.50 | 1 | 0.35 | 25 | 8.75 | | | Shipman, Walter J | m | | 2209 | USA | 0.50 | 1 | 0.27 | 25 | 6.75 | | | Jayakumar, Adarsh | | | 2037 | USA | 0.50 | 1 | 0.05 | 25 | 1.25 | | | Formanek, Edward W | m | | 2253 | USA | 0.00 | 1 | -0.19 | 25 | -4.75 | |
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) | | | | 45th Annual American Open | Los Angeles, California | USA | 2009-11-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2148 | 2010 | 0.00 | 3 | -1.06 | 25 | -26.50 | |
| | Sevillano, Enrico | m | | 2410 * | USA | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Yanayt, Eugene | f | | 2165 | USA | 0.00 | 1 | -0.29 | 25 | -7.25 | | | Bolm, Carl E | | | 1868 | USA | 0.00 | 1 | -0.69 | 25 | -17.25 | | | * 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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