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Individual Calculations October 2008 |
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| Sarkar, Justin Total change: 35.70 | |   |
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| NY Marshall CC International | New York, NY | USA | 2008-06-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2451 | 2411 | 5.00 | 9 | 1.00 | 10 | 10.00 | |
|  Tyehimba, Bem | | | 2240 | USA | 1.00 | 1 | 0.27 | 10 | 2.70 | |  Ehlvest, Jaan | g | | 2603 | USA | 0.50 | 1 | 0.25 | 10 | 2.50 | | | Ramirez, Alejandro | g | | 2528 | CRC | 0.00 | 1 | -0.34 | 10 | -3.40 | | | Treger, Yefim | | | 2207 | USA | 1.00 | 1 | 0.24 | 10 | 2.40 | | | Gonzalez, Renier | m | | 2507 | USA | 0.50 | 1 | 0.13 | 10 | 1.30 | | | Palermo, Carlos Garci | g | | 2465 | ITA | 0.50 | 1 | 0.08 | 10 | 0.80 | | | Ginsburg, Mark | m | | 2365 | USA | 1.00 | 1 | 0.44 | 10 | 4.40 | | | Erenburg, Sergey | g | | 2568 | ISR | 0.50 | 1 | 0.21 | 10 | 2.10 | | | Becerra, Julio J | g | | 2575 | USA | 0.00 | 1 | -0.28 | 10 | -2.80 | |
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) | | | | 36th Annual World Open (Open Section) | Philadelphia, Pennsylvania | USA | 2008-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2463 | 2411 | 4.50 | 8 | 1.02 | 10 | 10.20 | |
| | Ivanov, Alexander | g | | 2560 | USA | 0.00 | 1 | -0.30 | 10 | -3.00 | | | Homa, Seth | | | 2239 | USA | 1.00 | 1 | 0.27 | 10 | 2.70 | | | Stocek, Jiri | g | | 2584 | CZE | 0.00 | 1 | -0.27 | 10 | -2.70 | | | Maltese, Adam S | | | 2227 | USA | 1.00 | 1 | 0.26 | 10 | 2.60 | | | Ehlvest, Jaan | g | | 2603 | USA | 0.00 | 1 | -0.25 | 10 | -2.50 | | | Panjwani, Raja D | f | | 2298 | CAN | 1.00 | 1 | 0.35 | 10 | 3.50 | | | Milov, Vadim | g | | 2690 | SUI | 1.00 | 1 | 0.84 | 10 | 8.40 | | | Khachiyan, Melikset | g | | 2500 | USA | 0.50 | 1 | 0.12 | 10 | 1.20 | |
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) | | | | New England Masters | Pawtucket, Rhode Island | USA | 2008-08-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2433 | 2415 | 4.00 | 8 | 0.21 | 10 | 2.10 | |
| | Belliard, Luis | | | 2226 | DOM | 1.00 | 1 | 0.25 | 10 | 2.50 | | | Puntier, William | f | | 2298 | DOM | 1.00 | 1 | 0.34 | 10 | 3.40 | | | Kritz, Leonid | g | | 2610 | GER | 0.50 | 1 | 0.25 | 10 | 2.50 | | | Erenburg, Sergey | g | | 2563 | ISR | 0.00 | 1 | -0.30 | 10 | -3.00 | | | Kaminski, Victor | | | 2212 | CAN | 0.50 | 1 | -0.26 | 10 | -2.60 | | | Sammour-Hasbun, Jorge | f | | 2463 | PLE | 1.00 | 1 | 0.57 | 10 | 5.70 | | | Gareev, Timur | g | | 2570 | UZB | 0.00 | 1 | -0.29 | 10 | -2.90 | | | Friedel, Joshua E | m | | 2524 | USA | 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) | | | | Blackstone Chess Festival Open | Pawtucket, Rhode Island | USA | 2008-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2570 | 2415 | 0.50 | 1 | 0.21 | 10 | 2.10 | |
| | Gareev, Timur | g | | 2570 | UZB | 0.50 | 1 | 0.21 | 10 | 2.10 | |
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) | | | | 130th Annual New York State Championship | Albany, New York | USA | 2008-08-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2254 | 2415 | 4.50 | 5 | 1.07 | 10 | 10.70 | |
| | Tuhrim, Richard | | | 2065 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Aaron, Deepak | | | 2065 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Lenderman, Alex | m | | 2440 | USA | 0.50 | 1 | 0.03 | 10 | 0.30 | | | Bonin, Jay | m | | 2385 | USA | 1.00 | 1 | 0.46 | 10 | 4.60 | | | Nikolayev, Igor A | f | | 2316 | USA | 1.00 | 1 | 0.36 | 10 | 3.60 | |
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) | | | | The Miami Chess Open | Miami, Florida | USA | 2008-09-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2315 | 2415 | 5.00 | 8 | 0.06 | 10 | 0.60 | |
| | Prilleltensky, Matan | | | 2074 | USA | 0.50 | 1 | -0.38 | 10 | -3.80 | | | Galofre, Charles A | f | | 2320 | USA | 1.00 | 1 | 0.37 | 10 | 3.70 | | | Esserman, Marc R | | | 2294 | USA | 0.00 | 1 | -0.66 | 10 | -6.60 | | | Leburgue, Sylvain | | | 2168 | FRA | 1.00 | 1 | 0.19 | 10 | 1.90 | | | Krush, Irina | m | wg | 2470 | USA | 1.00 | 1 | 0.58 | 10 | 5.80 | | | Martinez, Marcel | f | | 2429 | USA | 0.50 | 1 | 0.02 | 10 | 0.20 | | | Sadvakasov, Darmen | g | | 2632 | KAZ | 0.00 | 1 | -0.22 | 10 | -2.20 | | | Goldstein, Brian | | | 2130 | USA | 1.00 | 1 | 0.16 | 10 | 1.60 | |
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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