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Individual Calculations September 2009 |
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| Yudasin, Leonid G Total change: -18.10 | |   |
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| 2nd New York International | New York, NY | USA | 2009-06-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2302 | 2550 | 5.00 | 9 | -2.16 | 10 | -21.60 | |
|  Zenyuk, Iryna | c | wm | 2305 | USA | 1.00 | 1 | 0.20 | 10 | 2.00 | |  Braylovskiy, Grigory | | | 2358 | USA | 0.00 | 1 | -0.75 | 10 | -7.50 | | | Yang, Darwin | f | | 2231 | USA | 0.00 | 1 | -0.87 | 10 | -8.70 | | | Markzon, Gregory | f | | 2203 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Jacobs, Jon | f | | 2307 | USA | 0.50 | 1 | -0.30 | 10 | -3.00 | | | Maltese, Adam S | | | 2222 | USA | 1.00 | 1 | 0.13 | 10 | 1.30 | | | Harper, Ryan | f | | 2206 | TRI | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Gerzhoy, Leonid | m | | 2420 | CAN | 0.50 | 1 | -0.18 | 10 | -1.80 | | | Milman, Lev | m | | 2462 | USA | 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) | | | | 37th Annual World Open - Open Section | Philadelphia, Pennsylvania | USA | 2009-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2478 | 2550 | 3.00 | 4 | 0.70 | 10 | 7.00 | |
| | Bareev, Evgeny | g | | 2636 | RUS | 0.50 | 1 | 0.12 | 10 | 1.20 | | | Rohde, Michael A | g | | 2463 | USA | 0.50 | 1 | -0.12 | 10 | -1.20 | | | Lau, Robert | c | | 2200 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Kacheishvili, Giorgi | g | | 2613 | GEO | 1.00 | 1 | 0.59 | 10 | 5.90 | |
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) | | | | 2009 NJ Futurity | Branchburg, New Jersey | USA | 2009-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2445 | 2554 | 5.50 | 10 | -0.94 | 10 | -9.40 | |
| | Scekic, Milos | m | | 2382 | SRB | 0.50 | 1 | -0.23 | 10 | -2.30 | | | Scekic, Milos | m | | 2382 | SRB | 0.00 | 1 | -0.73 | 10 | -7.30 | | | Ju, Evan D | f | | 2316 | USA | 1.00 | 1 | 0.20 | 10 | 2.00 | | | Ju, Evan D | f | | 2316 | USA | 1.00 | 1 | 0.20 | 10 | 2.00 | | | Benjamin, Joel | g | | 2575 | USA | 1.00 | 1 | 0.53 | 10 | 5.30 | | | Benjamin, Joel | g | | 2575 | USA | 0.50 | 1 | 0.03 | 10 | 0.30 | | | Kraai, Jesse | g | | 2498 | USA | 0.50 | 1 | -0.08 | 10 | -0.80 | | | Kraai, Jesse | g | | 2498 | USA | 0.50 | 1 | -0.08 | 10 | -0.80 | | | Ippolito, Dean J | m | | 2455 | USA | 0.00 | 1 | -0.64 | 10 | -6.40 | | | Ippolito, Dean J | m | | 2455 | USA | 0.50 | 1 | -0.14 | 10 | -1.40 | |
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) | | | | 39th Annual Continental Open | Sturbridge, Massachusetts | USA | 2009-08-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2450 | 2554 | 2.50 | 3 | 0.59 | 10 | 5.90 | |
| | Paschall, William | m | | 2385 | USA | 1.00 | 1 | 0.28 | 10 | 2.80 | | | Sarkar, Justin | m | | 2388 | USA | 1.00 | 1 | 0.28 | 10 | 2.80 | | | Kudrin, Sergey | g | | 2578 | 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) | | |
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