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Individual Calculations April 2009 |
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| Sarkar, Justin Total change: -45.40 | |   |
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| 2008 Berkeley International | Berkeley, California | USA | 2008-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2374 | 2451 | 4.00 | 8 | -0.78 | 10 | -7.80 | |
|  Haessel, Dale R | f | | 2199 | CAN | 0.50 | 1 | -0.31 | 10 | -3.10 | |  Evans, Bela | f | | 2258 | USA | 0.50 | 1 | -0.25 | 10 | -2.50 | | | Zenyuk, Iryna | c | wm | 2237 | USA | 1.00 | 1 | 0.23 | 10 | 2.30 | | | Kacheishvili, Gior | g | | 2572 | GEO | 0.00 | 1 | -0.34 | 10 | -3.40 | | | Naroditsky, Daniel | f | | 2382 | USA | 0.50 | 1 | -0.10 | 10 | -1.00 | | | Esserman, Marc R | | | 2348 | USA | 0.50 | 1 | -0.14 | 10 | -1.40 | | | Bhat, Vinay S | g | | 2497 | USA | 0.50 | 1 | 0.06 | 10 | 0.60 | | | Kraai, Jesse | g | | 2502 | USA | 0.50 | 1 | 0.07 | 10 | 0.70 | |
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 |
| 2275 | 2451 | 4.00 | 7 | -0.98 | 10 | -9.80 | |
| | Haessel, Dale R | f | | 2199 | CAN | 0.50 | 1 | -0.31 | 10 | -3.10 | | | Hanken, Jerome B | | | 2101 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Small, Gregg H | | | 2240 | USA | 0.50 | 1 | -0.27 | 10 | -2.70 | | | Aigner, Michael | | | 2229 | USA | 1.00 | 1 | 0.22 | 10 | 2.20 | | | Akobian, Varuzhan | g | | 2607 | USA | 0.00 | 1 | -0.29 | 10 | -2.90 | | | Anderson, Renard W | f | | 2186 | USA | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Hansen, Eric | f | | 2362 | CAN | 0.00 | 1 | -0.62 | 10 | -6.20 | |
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) | | | | 7th Parsvnath International Open Chess Tournament 2009 | Modern School, Barakhamba Road, New Delhi, India | IND | 2009-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2261 | 2455 | 6.50 | 10 | -0.92 | 10 | -9.20 | |
| | Shriwas, Bhushan | | | 2105 | IND | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Deric, Pinto | | | 2142 | IND | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Anwesh, Upadhyaya | | | 2269 | IND | 0.50 | 1 | -0.24 | 10 | -2.40 | | | Mohannad, Farhan | f | | 2279 | JOR | 1.00 | 1 | 0.27 | 10 | 2.70 | | | Joshi, G B | | | 2273 | IND | 1.00 | 1 | 0.26 | 10 | 2.60 | | | Roktim, Bandyopadhyay | m | | 2372 | IND | 0.00 | 1 | -0.61 | 10 | -6.10 | | | Premnath, R | | | 2303 | IND | 1.00 | 1 | 0.30 | 10 | 3.00 | | | Dutta, Joydeep | | | 2301 | IND | 0.00 | 1 | -0.71 | 10 | -7.10 | | | Lahiri, Atanu | m | | 2310 | IND | 1.00 | 1 | 0.31 | 10 | 3.10 | | | Arindam, Mukherjee | | | 2259 | IND | 0.00 | 1 | -0.75 | 10 | -7.50 | |
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) | | | | 1st Gurgaon International Open Chess Tournament - India | Suncity World School, Sector-54, Gurgaon, India | IND | 2009-01-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2243 | 2455 | 6.00 | 10 | -1.62 | 10 | -16.20 | |
| | Sanjay, Chhabra | | | 2105 | IND | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Shailendra, K Bajpai | | | 2204 | IND | 0.50 | 1 | -0.31 | 10 | -3.10 | | | Das, Sayantan | f | | 2223 | IND | 1.00 | 1 | 0.21 | 10 | 2.10 | | | Maheswaran, P | | | 2297 | IND | 1.00 | 1 | 0.29 | 10 | 2.90 | | | Das, Arghyadip | m | | 2404 | IND | 0.00 | 1 | -0.57 | 10 | -5.70 | | | Ramnathan, Balasubramaniam | m | | 2282 | IND | 0.50 | 1 | -0.23 | 10 | -2.30 | | | Saurabh, Kherdekar | | | 2238 | IND | 1.00 | 1 | 0.22 | 10 | 2.20 | | | Navin, Kanna T U | | | 2302 | IND | 0.00 | 1 | -0.70 | 10 | -7.00 | | | Muminova, Nafisa | | | 2220 | UZB | 0.00 | 1 | -0.79 | 10 | -7.90 | | | Singh, Arvinder Preet | | | 2155 | IND | 1.00 | 1 | 0.15 | 10 | 1.50 | |
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) | | | | 39th Annual World Amateur Team & US Team East | Parsippany, New Jersey | USA | 2009-02-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2188 | 2455 | 3.00 | 4 | -0.24 | 10 | -2.40 | |
| | Kis, Lorand Bela | | | 2181 | USA | 0.50 | 1 | -0.33 | 10 | -3.30 | | | Feuerstein, Arthur | | | 2105 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Farber, Nelson M | | | 2105 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Bonin, Jay | m | | 2361 | USA | 0.50 | 1 | -0.13 | 10 | -1.30 | |
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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