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Individual Calculations March 2011 |
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| Gershenov, Ben Total change: 24.60 | |   |
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| 20th Annual North American Open | Las Vegas, Nevada | USA | 2010-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2128 | 2044 | 3.50 | 7 | 0.59 | 15 | 8.85 | |
|  Arnold, Marc Tyler | m | | 2425 | USA | 0.50 | 1 | 0.41 | 15 | 6.15 | |  Gurevich, Dmitry | g | | 2444 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Itkin, David | | | 1829 | CAN | 0.00 | 1 | -0.77 | 15 | -11.55 | | | Helfst, Matt | | | 1919 | USA | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Belliard, Luis M | | | 2218 | DOM | 0.50 | 1 | 0.23 | 15 | 3.45 | | | Eng, Randel | | | 1977 | USA | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Itkis, Hana | | wf | 2087 | USA | 0.50 | 1 | 0.06 | 15 | 0.90 | | | * 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) | | | | 43rd Annual Liberty Bell Open | Philadelphia, Pennsylvania | USA | 2011-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2215 | 2047 | 1.00 | 3 | 0.06 | 15 | 0.90 | |
| | Kudrin, Sergey | g | | 2447 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Mucerino Jr, Joseph | | | 2076 | USA | 0.00 | 1 | -0.46 | 15 | -6.90 | | | Dahl, Matthew D | | | 2121 | USA | 1.00 | 1 | 0.60 | 15 | 9.00 | | | * 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) | | | | 43rd Annual Liberty Bell - U2300 Section | Philadelphia, Pennsylvania | USA | 2011-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2102 | 2047 | 1.50 | 3 | 0.22 | 15 | 3.30 | |
| | Defibaugh, Jared | | | 2134 | USA | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Hua, David | | | 1989 | USA | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Waidyaratne, Kasun D | | | 2184 | 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) | | | | Bermuda International Open 2011 | Southampton | BER | 2011-02-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2233 | 2047 | 2.00 | 4 | 0.77 | 15 | 11.55 | |
| | Charbonneau, P | g | | 2447 * | CAN | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Radford, M | | | 1856 | BER | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Moffat, A | | | 2182 | CAN | 1.00 | 1 | 0.68 | 15 | 10.20 | | | Schneider, D | m | | 2447 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | * 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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