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Individual Calculations January 2010 |
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| Piper, Matthew S Total change: 15.75 | |   |
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| London Chess Classic Open | London | ENG | 2009-12-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2351 | 2304 | 4.50 | 8 | 1.05 | 15 | 15.75 | |
|  Doran, Chris | | | 1963 | ENG | 0.50 | 1 | -0.38 | 15 | -5.70 | |  Bass, John W | | | 2068 | ENG | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Summerscale, Aaron P | g | | 2449 | ENG | 1.00 | 1 | 0.69 | 15 | 10.35 | | | Cherniaev, Alexander | g | | 2465 | RUS | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Conquest, Stuart C | g | | 2563 | ENG | 1.00 | 1 | 0.82 | 15 | 12.30 | | | Berzinsh, Roland | m | | 2424 | LAT | 0.50 | 1 | 0.16 | 15 | 2.40 | | | Ferguson, Mark | m | | 2410 | ENG | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Arkell, Keith C | g | | 2464 | ENG | 0.00 | 1 | -0.29 | 15 | -4.35 | |
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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