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Individual Calculations September 2012 |
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| Poobalasingam, Peter Total change: -51.75 | |   |
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| South Wales International Open 2012 | Penarth | WLS | 2012-07-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2106 | 2263 | 6.00 | 9 | -0.18 | 15 | -2.70 | |
|  Elwin, Adrian G | | | 1985 | ENG | 1.00 | 1 | 0.17 | 15 | 2.55 | |  Thorpe, Thomas | | | 1863 * | WLS | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Iyengar, Ilya | | | 2003 | ENG | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Petrov, Marijan | g | | 2522 | BUL | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Jackson, James P | | | 2126 | ENG | 0.00 | 1 | -0.68 | 15 | -10.20 | | | Phillips, William | | | 1984 | ENG | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Rayner, Francis | | | 2160 | WLS | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Rudd, Jack | m | | 2295 | ENG | 0.00 | 1 | -0.46 | 15 | -6.90 | | | Van Kemenade, Rudy | | | 2014 | WLS | 1.00 | 1 | 0.19 | 15 | 2.85 | | | * 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 2012 | North Shields | ENG | 2012-07-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2167 | 2263 | 4.00 | 10 | -2.37 | 15 | -35.55 | |
| | Jones, Gawain C | g | | 2655 | ENG | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Maroroa, Sue | | wm | 2035 | NZL | 0.50 | 1 | -0.29 | 15 | -4.35 | | | Foster, James M | | | 2037 | ENG | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Coathup, Roger H | | | 2136 | ENG | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Waters, Clive L | | | 2106 | ENG | 0.00 | 1 | -0.71 | 15 | -10.65 | | | Bhatia, Kanwal K | | wf | 2103 | ENG | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Osborne, Marcus | | | 2245 | ENG | 0.50 | 1 | -0.03 | 15 | -0.45 | | | Weller, Jean-Luc | | | 2115 | ENG | 0.00 | 1 | -0.70 | 15 | -10.50 | | | Mackle, Dominic | | | 2130 | ENG | 0.00 | 1 | -0.68 | 15 | -10.20 | | | Batchelor, Peter | | | 2103 | ENG | 0.00 | 1 | -0.71 | 15 | -10.65 | |
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) | | | | e2e4 Gatwick International Masters B. | London | ENG | 2012-08-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2268 | 2263 | 3.50 | 9 | -0.90 | 15 | -13.50 | |
| | Lenier, Jude A | | | 2016 | ENG | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Wall, Gavin | m | | 2338 | IRL | 1.00 | 1 | 0.60 | 15 | 9.00 | | | Snape, Ian L | | | 2274 | ENG | 0.00 | 1 | -0.48 | 15 | -7.20 | | | Venkataramanan, T.s. | f | | 2287 | IND | 1.00 | 1 | 0.53 | 15 | 7.95 | | | Ghasi, Ameet K | f | | 2418 | ENG | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Michielsen, Joost | m | | 2367 | NED | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Klaric, Zlatko | g | | 2427 | CRO | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Brown, Martin | | | 2241 | ENG | 0.00 | 1 | -0.53 | 15 | -7.95 | | | Burke, Steven J | | | 2041 | ENG | 0.50 | 1 | -0.28 | 15 | -4.20 | |
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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