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Individual Calculations April 2009 |
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| Akobian, Varuzhan Total change: -7.20 | |   |
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| XXI Torneo GM Carlos Torre Repetto In Memoriam - KO | MERIDA, YUCATAN | MEX | 2008-12-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2582 | 2607 | 5.00 | 8 | 0.76 | 10 | 7.60 | |
|  Ibarra Chami, Luis Fernand | m | | 2389 | MEX | 0.50 | 1 | -0.28 | 10 | -2.80 | |  Ibarra Chami, Luis Fernand | m | | 2389 | MEX | 1.00 | 1 | 0.22 | 10 | 2.20 | | | Shulman, Yuri | g | | 2616 | USA | 1.00 | 1 | 0.51 | 10 | 5.10 | | | Shulman, Yuri | g | | 2616 | USA | 0.50 | 1 | 0.01 | 10 | 0.10 | | | Moiseenko, Alexander | g | | 2678 | UKR | 0.50 | 1 | 0.10 | 10 | 1.00 | | | Moiseenko, Alexander | g | | 2678 | UKR | 0.50 | 1 | 0.10 | 10 | 1.00 | | | Onischuk, Alexander | g | | 2644 | USA | 0.50 | 1 | 0.05 | 10 | 0.50 | | | Onischuk, Alexander | g | | 2644 | USA | 0.50 | 1 | 0.05 | 10 | 0.50 | |
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) | | | | 18th Annual North American Open | Las vegas, Nevada | USA | 2008-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2352 | 2607 | 4.00 | 6 | -0.77 | 10 | -7.70 | |
| | Zierk, Steven C | | | 2257 | USA | 0.50 | 1 | -0.39 | 10 | -3.90 | | | Huang, Richard | | | 2257 | CAN | 0.50 | 1 | -0.39 | 10 | -3.90 | | | Karklins, Andrew | f | | 2257 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Lein, Anatoly Y | g | | 2317 | USA | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Sarkar, Justin | m | | 2451 | USA | 1.00 | 1 | 0.29 | 10 | 2.90 | | | Kacheishvili, Giorgi | g | | 2572 | GEO | 0.00 | 1 | -0.55 | 10 | -5.50 | |
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) | | | | Gibraltar Master 2009 | Gibraltar | ENG | 2009-01-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2448 | 2620 | 7.50 | 10 | 0.40 | 10 | 4.00 | |
| | Klinova, Masha | m | wg | 2328 | ISR | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Devereaux, Maxim L | m | | 2437 | ENG | 1.00 | 1 | 0.26 | 10 | 2.60 | | | Gordon, Stephen J | m | | 2524 | ENG | 0.50 | 1 | -0.13 | 10 | -1.30 | | | Gashimov, Vugar | g | | 2723 | AZE | 0.00 | 1 | -0.36 | 10 | -3.60 | | | Spence, David J | | | 2270 | ENG | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Dzagnidze, Nana | g | wg | 2518 | GEO | 0.50 | 1 | -0.14 | 10 | -1.40 | | | Hommeles, Theo | f | | 2410 | NED | 1.00 | 1 | 0.23 | 10 | 2.30 | | | Al Sayed, Mohamad N. | m | | 2488 | QAT | 0.50 | 1 | -0.18 | 10 | -1.80 | | | Szabo, Krisztian | m | | 2508 | HUN | 1.00 | 1 | 0.35 | 10 | 3.50 | | | Kozlov, Oleg | m | | 2270 | RUS | 1.00 | 1 | 0.11 | 10 | 1.10 | |
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) | | | | Aeroflot open A1 | Moscow | RUS | 2009-02-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2571 | 2620 | 4.00 | 9 | -1.11 | 10 | -11.10 | |
| | Wen, Yang | g | | 2504 | CHN | 0.50 | 1 | -0.16 | 10 | -1.60 | | | Melkumyan, Hrant | g | | 2519 | ARM | 0.50 | 1 | -0.14 | 10 | -1.40 | | | Maslak, Konstantin | g | | 2541 | RUS | 0.50 | 1 | -0.11 | 10 | -1.10 | | | Yudin, Sergei | m | | 2562 | RUS | 0.50 | 1 | -0.08 | 10 | -0.80 | | | Dziuba, Marcin | g | | 2556 | POL | 0.50 | 1 | -0.09 | 10 | -0.90 | | | Robson, Ray | m | | 2455 | USA | 0.00 | 1 | -0.72 | 10 | -7.20 | | | Naiditsch, Arkadij | g | | 2693 | GER | 0.50 | 1 | 0.10 | 10 | 1.00 | | | Rodshtein, Maxim | g | | 2650 | ISR | 1.00 | 1 | 0.54 | 10 | 5.40 | | | Grachev, Boris | g | | 2655 | RUS | 0.00 | 1 | -0.45 | 10 | -4.50 | |
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) | | |
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