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Individual Calculations April 2009 |
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| Strenzwilk, Denis Total change: 16.50 | |   |
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| 35th Annual Eastern Open | Washington DC | USA | 2008-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2319 | 2066 | 2.00 | 5 | 1.05 | 15 | 15.75 | |
|  Zhao, Parker | | | 2317 | USA | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Betaneli, Alex | f | | 2318 | USA | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Gorman, Dov | f | | 2306 | USA | 1.00 | 1 | 0.80 | 15 | 12.00 | |  Figler, Ilye | f | | 2322 | USA | 0.50 | 1 | 0.31 | 15 | 4.65 | | | Andrews, Todd D | f | | 2331 | USA | 0.50 | 1 | 0.32 | 15 | 4.80 | |
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) | | | | 41st Annual Liberty Bell Open | Philadelphia, Pennsylvania | USA | 2009-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2098 | 2062 | 3.00 | 6 | 0.20 | 15 | 3.00 | |
| | Shabalov, Alexander | g | | 2412 | USA | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Sells, Philip G | | | 1847 | USA | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Vulis, Daniel | | | 2035 | USA | 0.00 | 1 | -0.54 | 15 | -8.10 | | | McVay, Karsten A | | | 1863 | USA | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Guo, Gill Y | | | 2106 | USA | 1.00 | 1 | 0.56 | 15 | 8.40 | | | Zlotnikov, Mikhail | m | | 2327 | USA | 0.00 | 1 | -0.18 | 15 | -2.70 | |
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) | | | | Bermuda International Open | hamilton | BER | 2009-01-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1964 | 2062 | 2.50 | 4 | 0.01 | 15 | 0.15 | |
| | Ebbin, Larry | | | 1712 | BER | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Mufundaedza, Moses | | | 1955 | BER | 0.50 | 1 | -0.15 | 15 | -2.25 | | | Bradshaw, Kumi | | | 1825 | BER | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Cummings, David | m | | 2362 | CAN | 0.00 | 1 | -0.15 | 15 | -2.25 | |
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 |
| 2343 | 2062 | 0.00 | 1 | -0.16 | 15 | -2.40 | |
| | Zaremba, Andrei A | f | | 2343 | USA | 0.00 | 1 | -0.16 | 15 | -2.40 | |
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) | | |
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