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Individual Calculations March 2011 |
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| Itkis, Hana Total change: 43.50 | |   |
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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 |
| 2182 | 2087 | 3.00 | 6 | 0.74 | 15 | 11.10 | |
|  Landaw, Julian W | | | 2285 | USA | 0.00 | 1 | -0.24 | 15 | -3.60 | |  Markovits, Alex | | | 2102 | USA | 1.00 | 1 | 0.52 | 15 | 7.80 | | | Harmon-Vellotti, Luke | | | 2143 | USA | 0.50 | 1 | 0.08 | 15 | 1.20 | | | Tayar, Jonathan | m | | 2356 | CAN | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Sandberg, Evan M | | | 2164 | USA | 1.00 | 1 | 0.61 | 15 | 9.15 | | | Gershenov, Ben | | | 2044 | USA | 0.50 | 1 | -0.06 | 15 | -0.90 | |
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 |
| 2173 | 2084 | 3.50 | 7 | 0.81 | 15 | 12.15 | |
| | Mac Intyre, Paul | f | | 2288 | USA | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Dahl, Matthew D | | | 2121 | USA | 1.00 | 1 | 0.55 | 15 | 8.25 | | | Cao, Kevin Y | | | 2073 | USA | 0.50 | 1 | -0.02 | 15 | -0.30 | | | Minear, Peter | | | 2253 | USA | 1.00 | 1 | 0.72 | 15 | 10.80 | | | Shvartsman, Andrew | c | | 2204 | USA | 0.50 | 1 | 0.16 | 15 | 2.40 | | | Thaler, Michael | | | 2257 | USA | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Tom, George | | | 2017 | USA | 0.50 | 1 | -0.09 | 15 | -1.35 | |
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) | | | | Tradewise Chess Festival - Masters | Gibraltar | ENG | 2011-01-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2241 | 2084 | 4.50 | 10 | 1.35 | 15 | 20.25 | |
| | Gillespie, Gary | | | 1848 | SCO | 0.50 | 1 | -0.30 | 15 | -4.50 | | | Birkestrand, Odd | | | 1894 | NOR | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Jones, Richard S | f | | 2361 | WLS | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Avalos Parra, Joao | f | | 2252 | CHI | 1.00 | 1 | 0.72 | 15 | 10.80 | | | Melia, Salome | m | wg | 2449 | GEO | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Bergstrom, Rolf | f | | 2307 | SWE | 1.00 | 1 | 0.78 | 15 | 11.70 | | | Slavin, Alexei | m | | 2417 | RUS | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Sanchez, Louis | f | | 2262 | FRA | 1.00 | 1 | 0.73 | 15 | 10.95 | | | Karim, Ismael | m | | 2375 | MAR | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Meskovs, Nikita | | | 2242 | LAT | 0.00 | 1 | -0.29 | 15 | -4.35 | |
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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