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Individual Calculations October 2008 |
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| Rathnakaran, K. Total change: 4.90 | |   |
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| Philadelphia International | Philadelphia, Pennsylvania | USA | 2008-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2382 | 2488 | 5.50 | 9 | -0.20 | 10 | -2.00 | |
|  Katz, Michael S | | | 2236 | USA | 1.00 | 1 | 0.19 | 10 | 1.90 | |  Galofre, Charles A | f | | 2318 | USA | 0.50 | 1 | -0.22 | 10 | -2.20 | | | Karavade, Eesha | | wg | 2302 | IND | 1.00 | 1 | 0.26 | 10 | 2.60 | | | Prasad, Arun | m | | 2465 | IND | 0.00 | 1 | -0.53 | 10 | -5.30 | | | Bick, John D | f | | 2201 | USA | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Ganguly, Surya She | g | | 2614 | IND | 0.50 | 1 | 0.17 | 10 | 1.70 | | | Battaglini, Gabriel | | | 2356 | FRA | 0.50 | 1 | -0.18 | 10 | -1.80 | | | Mulyar, Michael A | m | | 2381 | USA | 0.50 | 1 | -0.15 | 10 | -1.50 | | | Gopal, Geetha Narayana | g | | 2562 | IND | 0.50 | 1 | 0.10 | 10 | 1.00 | |
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) | | | | 36th Annual World Open (Open Section) | Philadelphia, Pennsylvania | USA | 2008-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2411 | 2488 | 5.50 | 9 | 0.19 | 10 | 1.90 | |
| | Thaler, Michael | | | 2159 | USA | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Battaglini, Gabriel | | | 2356 | FRA | 1.00 | 1 | 0.32 | 10 | 3.20 | | | Becerra, Julio J | g | | 2575 | USA | 0.50 | 1 | 0.12 | 10 | 1.20 | | | Ivanov, Alexander | g | | 2560 | USA | 0.00 | 1 | -0.40 | 10 | -4.00 | | | Zhao, Parker B | | | 2226 | USA | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Stocek, Jiri | g | | 2584 | CZE | 0.00 | 1 | -0.37 | 10 | -3.70 | | | Coleman, Teddy | f | | 2244 | USA | 1.00 | 1 | 0.20 | 10 | 2.00 | | | Smith, Bryan G | m | | 2395 | USA | 1.00 | 1 | 0.37 | 10 | 3.70 | | | Mikhalevski, Victor | g | | 2597 | ISR | 0.00 | 1 | -0.35 | 10 | -3.50 | |
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) | | | | 2008 Canadian Open Section A | Montreal | CAN | 2008-07-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2450 | 2453 | 5.00 | 9 | 0.50 | 10 | 5.00 | |
| | Yuan, Yuanling | | wf | 2146 | CAN | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Kovalyov, Anton | m | | 2548 | ARG | 0.50 | 1 | 0.13 | 10 | 1.30 | | | Rozentalis, Eduardas | g | | 2599 | LTU | 0.50 | 1 | 0.20 | 10 | 2.00 | | | Swathi, Ghate | | wg | 2351 | IND | 0.50 | 1 | -0.14 | 10 | -1.40 | | | Ganguly, Surya Shekhar | g | | 2631 | IND | 0.00 | 1 | -0.27 | 10 | -2.70 | | | Mohota, Nisha | | wg | 2354 | IND | 1.00 | 1 | 0.36 | 10 | 3.60 | | | Thavandiran, Shiyam | f | | 2288 | CAN | 1.00 | 1 | 0.28 | 10 | 2.80 | | | Istratescu, Andrei | g | | 2636 | ROU | 0.00 | 1 | -0.26 | 10 | -2.60 | | | Sambuev, Bator | g | | 2496 | RUS | 0.50 | 1 | 0.06 | 10 | 0.60 | |
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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