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Individual Calculations March 2010 |
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| Rabin, Evan Z Total change: 0.00 | |   |
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| Edward Lasker Memorial and 93rd Annual Marshall Chess Club Championship | New York, New York | USA | 2009-12-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2229 | 2021 | 2.00 | 6 | 0.36 | 15 | 5.40 | |
|  Panchanathan, Magesh | g | | 2421 * | IND | 0.00 | 1 | -0.08 | 15 | -1.20 | |  Farber, Nelson M | | | 1979 | USA | 0.50 | 1 | -0.06 | 15 | -0.90 | | | Fedorowicz, John P | g | | 2421 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Bonin, Jay | m | | 2370 | USA | 0.00 | 1 | -0.11 | 15 | -1.65 | | | West, James R | | | 2159 | USA | 1.00 | 1 | 0.69 | 15 | 10.35 | | | Sobo, Henry C | | | 2023 | USA | 0.50 | 1 | 0.00 | 15 | 0.00 | | | * 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) | | | | 19th Annual North American Open | Las Vegas, Nevada | USA | 2009-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2185 | 2021 | 1.00 | 4 | -0.23 | 15 | -3.45 | |
| | Kretchetov, Alexander | f | | 2395 | RUS | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Harmon-Vellotti, Luke | | | 2029 | USA | 0.50 | 1 | 0.01 | 15 | 0.15 | | | Sapozhnikov, Roman | | | 2223 | CAN | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Tanner, Robert B | | | 2093 | USA | 0.50 | 1 | 0.10 | 15 | 1.50 | |
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) | | | | 42nd Annual Liberty Bell Open | Philadelphia, Pennsylvania | USA | 2010-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2080 | 2021 | 2.50 | 6 | -0.13 | 15 | -1.95 | |
| | Cencetti, Arthur | | | 2022 | USA | 1.00 | 1 | 0.50 | 15 | 7.50 | | | Ippolito, Dean J | m | | 2421 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Sells, Philip G | | | 1900 | USA | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Sakai, Hibiki | | | 1990 | JPN | 0.00 | 1 | -0.54 | 15 | -8.10 | | | Guevara, Robert N | | | 2085 | USA | 0.00 | 1 | -0.41 | 15 | -6.15 | | | Smarty, Sylvester | | | 2062 | 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) | | |
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