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Individual Calculations October 2008 |
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| Friedel, Joshua E Total change: -26.50 | |   |
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| 36th Annual World Open (Open Section) | Philadelphia, Pennsylvania | USA | 2008-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2367 | 2484 | 4.50 | 8 | -0.56 | 10 | -5.60 | |
|  Uesugi, Shinsaku | | | 2222 | JPN | 0.50 | 1 | -0.32 | 10 | -3.20 | |  Yang, Darwin | f | | 2134 | USA | 0.00 | 1 | -0.89 | 10 | -8.90 | | | Critelli, James | f | | 2343 | USA | 1.00 | 1 | 0.31 | 10 | 3.10 | | | Yeager, Daniel A | f | | 2300 | USA | 1.00 | 1 | 0.26 | 10 | 2.60 | | | Karell, Leif Kazuo | | | 2134 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Jussupow, Artur | g | | 2572 | GER | 0.50 | 1 | 0.12 | 10 | 1.20 | | | Izoria, Zviad | g | | 2625 | GEO | 0.50 | 1 | 0.19 | 10 | 1.90 | | | Ehlvest, Jaan | g | | 2603 | USA | 0.00 | 1 | -0.34 | 10 | -3.40 | |
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) | | | | 3rd Edmonton International | Edmonton | CAN | 2008-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2436 | 2524 | 4.50 | 8 | -0.31 | 10 | -3.10 | |
| | Reeve, Jeff | | | 2243 | CAN | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Haessel, Dale R. | | | 2174 | CAN | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Panjwani, Raja | f | | 2310 | CAN | 0.50 | 1 | -0.27 | 10 | -2.70 | | | Ganguly, Surya Shekhar | g | | 2631 | IND | 0.50 | 1 | 0.15 | 10 | 1.50 | | | Shabalov, Alexander | g | | 2611 | USA | 0.00 | 1 | -0.38 | 10 | -3.80 | | | Hungaski, Robert Andrew | m | | 2407 | USA | 1.00 | 1 | 0.34 | 10 | 3.40 | | | Porper, Eduard | m | | 2476 | ISR | 0.50 | 1 | -0.07 | 10 | -0.70 | | | Moiseenko, Alexander | g | | 2632 | UKR | 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) | | | | New England Masters | Pawtucket, Rhode Island | USA | 2008-08-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2323 | 2524 | 6.00 | 9 | -0.71 | 10 | -7.10 | |
| | Thavandiran, Shiyam | f | | 2288 | CAN | 0.50 | 1 | -0.30 | 10 | -3.00 | | | Rosenberg, Evan S | | | 2182 | USA | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Kaminski, Victor | | | 2212 | CAN | 0.00 | 1 | -0.86 | 10 | -8.60 | | | Macintyre, Paul | f | | 2290 | USA | 1.00 | 1 | 0.21 | 10 | 2.10 | | | Panjwani, Raja D | f | | 2310 | CAN | 1.00 | 1 | 0.23 | 10 | 2.30 | | | Erenburg, Sergey | g | | 2563 | ISR | 0.00 | 1 | -0.45 | 10 | -4.50 | | | Hansen, Eric | | | 2267 | CAN | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Vigorito, David | m | | 2381 | USA | 0.50 | 1 | -0.19 | 10 | -1.90 | | | Sarkar, Justin | m | | 2415 | USA | 1.00 | 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) | | | | The Miami Chess Open | Miami, Florida | USA | 2008-09-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2307 | 2524 | 5.00 | 8 | -1.07 | 10 | -10.70 | |
| | Santalla, Andres | | | 2174 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Robson, Ray S | m | | 2441 | USA | 0.00 | 1 | -0.61 | 10 | -6.10 | | | Ruppert, Artem E | | | 2215 | USA | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Kiewra, Keaton | f | | 2336 | USA | 0.00 | 1 | -0.74 | 10 | -7.40 | | | Rodriguez, Eric | | | 2259 | USA | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Heung, Christopher | | | 2174 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Martinez, Marcel | f | | 2429 | USA | 1.00 | 1 | 0.37 | 10 | 3.70 | | | Bercys, Salvijus | m | | 2429 | USA | 0.00 | 1 | -0.63 | 10 | -6.30 | |
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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