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Individual Calculations May 2011 |
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| Perelshteyn, Eugene Total change: 1.40 | |   |
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| 2011 St. Louis Invitational | St. Louis, Missouri | USA | 2011-03-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2521 | 2533 | 4.00 | 9 | -0.66 | 10 | -6.60 | |
|  Yang, Darwin | f | | 2416 | USA | 0.00 | 1 | -0.66 | 10 | -6.60 | |  Brooks, Michael | m | | 2451 | USA | 0.50 | 1 | -0.11 | 10 | -1.10 | | | Kaidanov, Gregory | g | | 2569 | USA | 0.00 | 1 | -0.45 | 10 | -4.50 | | | Benjamin, Joel | g | | 2564 | USA | 0.50 | 1 | 0.04 | 10 | 0.40 | | | Kraai, Jesse | g | | 2509 | USA | 0.50 | 1 | -0.03 | 10 | -0.30 | | | Khachiyan, Melikset | g | | 2511 | USA | 1.00 | 1 | 0.47 | 10 | 4.70 | | | Becerra, Julio J | g | | 2549 | USA | 0.50 | 1 | 0.02 | 10 | 0.20 | | | Robson, Ray | g | | 2522 | USA | 0.50 | 1 | -0.02 | 10 | -0.20 | | | Ramirez, Alejandro | g | | 2594 | USA | 0.50 | 1 | 0.08 | 10 | 0.80 | |
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) | | | | 2nd Annual Philadelphia Open | Philadelphia, Pennsylvania | USA | 2011-04-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2429 | 2533 | 6.50 | 9 | 0.80 | 10 | 8.00 | |
| | Ostrovskiy, Aleksandr | f | | 2295 | USA | 1.00 | 1 | 0.20 | 10 | 2.00 | | | Kiewra, Keaton | f | | 2380 | USA | 1.00 | 1 | 0.30 | 10 | 3.00 | | | Ludwig, Daniel J | m | | 2450 | USA | 0.50 | 1 | -0.11 | 10 | -1.10 | | | Bonin, Jay | m | | 2296 | USA | 1.00 | 1 | 0.20 | 10 | 2.00 | | | Gelashvili, Tamaz | g | | 2596 | GEO | 0.00 | 1 | -0.41 | 10 | -4.10 | | | Vucic, Mladen | m | | 2332 | USA | 1.00 | 1 | 0.24 | 10 | 2.40 | | | Lapshun, Yury | m | | 2438 | USA | 0.50 | 1 | -0.13 | 10 | -1.30 | | | Mitkov, Nikola | g | | 2529 | MKD | 1.00 | 1 | 0.49 | 10 | 4.90 | | | Becerra, Julio J | g | | 2549 | USA | 0.50 | 1 | 0.02 | 10 | 0.20 | |
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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