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Individual Calculations September 2009 |
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| Poobalasingam, Peter S Total change: 87.75 | |   |
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| Big Slick London | Purley | ENG | 2009-06-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2404 | 2240 | 5.00 | 9 | 2.41 | 15 | 36.15 | |
|  Arkell, Keith C | g | | 2517 | ENG | 0.50 | 1 | 0.33 | 15 | 4.95 | |  Eames, Robert S | f | | 2312 | ENG | 0.50 | 1 | 0.10 | 15 | 1.50 | | | Slavin, Alexei | | | 2308 | RUS | 0.50 | 1 | 0.09 | 15 | 1.35 | | | Gormally, Daniel W | g | | 2487 | ENG | 0.50 | 1 | 0.31 | 15 | 4.65 | | | Ansell, Simon T | m | | 2394 | ENG | 1.00 | 1 | 0.71 | 15 | 10.65 | | | Galego, Luis | g | | 2454 | POR | 0.50 | 1 | 0.27 | 15 | 4.05 | | | Cherniaev, Alexander | g | | 2423 | RUS | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Rudd, Jack | m | | 2357 | ENG | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Kjartansson, Gudmundur | f | | 2388 | ISL | 1.00 | 1 | 0.70 | 15 | 10.50 | |
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) | | | | 116th Open Scottish Chess Championship | Edinburgh | SCO | 2009-07-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2198 | 2224 | 4.00 | 8 | -0.21 | 15 | -3.15 | |
| | Walker, Duncan | | | 1993 | SCO | 0.50 | 1 | -0.29 | 15 | -4.35 | | | McClement, Andrew | | | 1893 | SCO | 1.00 | 1 | 0.12 | 15 | 1.80 | | | McNab, Colin A | g | | 2475 | SCO | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Parks, Joe | | | 1919 | SCO | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Motwani, Paul A | g | | 2503 | SCO | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Neave, George | | | 2090 | SCO | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Morrison, Graham J | f | | 2366 | SCO | 0.50 | 1 | 0.19 | 15 | 2.85 | | | Eggleston, David J | f | | 2343 | ENG | 0.00 | 1 | -0.34 | 15 | -5.10 | |
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) | | | | Arctic Chess Challenge 2009 | Tromsø | NOR | 2009-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2294 | 2224 | 4.50 | 8 | 1.16 | 15 | 17.40 | |
| | Turner, Matthew J | g | | 2517 | ENG | 0.50 | 1 | 0.35 | 15 | 5.25 | | | Radulski, Julian | g | | 2539 | BUL | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Demac, Elias | | | 2089 | NOR | 0.50 | 1 | -0.18 | 15 | -2.70 | | | Hansen, Pal Andreas | | | 2042 | NOR | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Skage, Oystein Aagedal | | | 1966 | NOR | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Zdebskaja, Natalia | | wg | 2412 | UKR | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Hansen, Torbjorn Ringdal | m | | 2440 | NOR | 0.50 | 1 | 0.28 | 15 | 4.20 | | | Stokke, Kjetil | f | | 2347 | NOR | 0.50 | 1 | 0.17 | 15 | 2.55 | |
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) | | | | Uxbridge International Group B | Uxbridge | ENG | 2009-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2271 | 2224 | 6.50 | 9 | 2.49 | 15 | 37.35 | |
| | Briscoe, Chris | | | 2268 | ENG | 1.00 | 1 | 0.56 | 15 | 8.40 | | | McNab, Colin A | g | | 2475 | SCO | 1.00 | 1 | 0.81 | 15 | 12.15 | | | Lalic, Bogdan | g | | 2517 | CRO | 0.50 | 1 | 0.35 | 15 | 5.25 | | | Andreev, Peter | | | 1901 | ENG | 1.00 | 1 | 0.13 | 15 | 1.95 | | | Tserendorj, Sainbayar | | | 2032 | MGL | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Khandelwal, Ankush | | | 2160 | ENG | 0.50 | 1 | -0.09 | 15 | -1.35 | | | Doncea, Vladimir | m | | 2460 | ROU | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Arun Prasad, S. | g | | 2556 | IND | 0.50 | 1 | 0.38 | 15 | 5.70 | | | Chevannes, Sabrina L | | wf | 2073 | ENG | 1.00 | 1 | 0.30 | 15 | 4.50 | |
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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