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Individual Calculations January 2009 |
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| Kacheishvili, Giorgi Total change: 17.80 | |   |
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| Edward Lasker Memorial and 92nd Annual Marshall Chess Club Championship | New York, New York | USA | 2008-10-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2381 | 2572 | 7.50 | 9 | 0.92 | 10 | 9.20 | |
|  Hulse, Brian | | | 2224 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | |  Rosenberg, Evan S | | | 2222 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Lenderman, Alex | m | | 2443 | USA | 1.00 | 1 | 0.33 | 10 | 3.30 | | | Izoria, Zviad | g | | 2610 | GEO | 0.50 | 1 | 0.05 | 10 | 0.50 | | | Bonin, Jay | m | | 2353 | USA | 1.00 | 1 | 0.22 | 10 | 2.20 | | | Sarkar, Justin | m | | 2451 | USA | 0.50 | 1 | -0.16 | 10 | -1.60 | | | Molner, Mackenzie | | | 2382 | USA | 0.50 | 1 | -0.25 | 10 | -2.50 | | | Naranja, Renato C | m | | 2274 | PHI | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Rohde, Michael A | g | | 2467 | 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) | | | | What-A-Turkey Open | New York, NY | USA | 2008-11-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2502 | 2572 | 1.50 | 2 | 0.31 | 10 | 3.10 | |
| | Sarkar, Justin | m | | 2451 | USA | 1.00 | 1 | 0.34 | 10 | 3.40 | | | Kudrin, Sergey | g | | 2553 | USA | 0.50 | 1 | -0.03 | 10 | -0.30 | |
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) | | | | 39th Annual National Chess Congress | Philadelphia, Pennsylvania | USA | 2008-11-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2457 | 2572 | 2.50 | 3 | 0.55 | 10 | 5.50 | |
| | Zaikov, Oleg N | f | | 2380 | USA | 1.00 | 1 | 0.25 | 10 | 2.50 | | | Shabalov, Alexander | g | | 2585 | USA | 1.00 | 1 | 0.52 | 10 | 5.20 | | | Smith, Bryan G | m | | 2406 | USA | 0.50 | 1 | -0.22 | 10 | -2.20 | |
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) | | |
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