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Individual Calculations September 2010 |
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| Wells, Peter K Total change: -1.20 | |   |
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| 7th South Wales International Open | Trefforest | WLS | 2010-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2320 | 2488 | 6.50 | 9 | 0.25 | 10 | 2.50 | |
|  Jaunooby, Ali R | | | 2155 | ENG | 1.00 | 1 | 0.12 | 10 | 1.20 | |  Kett, Tim | | | 2222 | WLS | 0.50 | 1 | -0.32 | 10 | -3.20 | | | Fathallah, Joe | | | 2088 * | WLS | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Arkell, Keith C | g | | 2465 | ENG | 0.50 | 1 | -0.03 | 10 | -0.30 | | | Rudd, Jack | m | | 2236 | ENG | 1.00 | 1 | 0.19 | 10 | 1.90 | | | Georgiev, Vladimir | g | | 2586 | MKD | 0.50 | 1 | 0.13 | 10 | 1.30 | | | Zhou, Yang-Fan | f | | 2349 | ENG | 1.00 | 1 | 0.31 | 10 | 3.10 | | | Rusev, Krasimir | g | | 2543 | BUL | 0.00 | 1 | -0.42 | 10 | -4.20 | | | Marusenko, Petr | m | | 2233 | UKR | 1.00 | 1 | 0.19 | 10 | 1.90 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | British Championship | Canterbury | ENG | 2010-07-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2355 | 2488 | 7.00 | 11 | -0.37 | 10 | -3.70 | |
| | Spence, David J | | | 2247 | ENG | 1.00 | 1 | 0.20 | 10 | 2.00 | | | Tymrakiewicz, Rafal | f | | 2301 | POL | 0.50 | 1 | -0.24 | 10 | -2.40 | | | Dorrington, Chris J | | | 2255 | ENG | 1.00 | 1 | 0.21 | 10 | 2.10 | | | Hunt, Adam C | m | | 2408 | ENG | 0.00 | 1 | -0.61 | 10 | -6.10 | | | Ledger, Dave J | f | | 2233 | ENG | 1.00 | 1 | 0.19 | 10 | 1.90 | | | Constantinou, Peter | f | | 2302 | ENG | 0.50 | 1 | -0.24 | 10 | -2.40 | | | Littlewood, Paul E | m | | 2361 | ENG | 0.50 | 1 | -0.17 | 10 | -1.70 | | | Bates, Richard A | m | | 2382 | ENG | 0.50 | 1 | -0.14 | 10 | -1.40 | | | McMichael, Richard J | c | | 2287 | ENG | 1.00 | 1 | 0.24 | 10 | 2.40 | | | Hawkins, Jonathan | f | | 2423 | ENG | 0.50 | 1 | -0.09 | 10 | -0.90 | | | Adams, Michael | g | | 2706 | ENG | 0.50 | 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) | | |
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