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Individual Calculations May 2011 |
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| Collins, Sam E. Total change: 21.90 | |   |
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| Armstrong Cup 2011 | Dublin | IRL | 2010-09-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2170 | 2431 | 9.00 | 11 | 0.19 | 10 | 1.90 | |
|  Quinn, Mark | m | | 2377 | IRL | 0.50 | 1 | -0.08 | 10 | -0.80 | |  Brady, Stephen | f | | 2350 | IRL | 0.50 | 1 | -0.11 | 10 | -1.10 | | | Osborne, Sam C. | | | 2038 | IRL | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Daly, Colm | f | | 2277 | IRL | 0.50 | 1 | -0.21 | 10 | -2.10 | | | Skrzypnik, Tomasz | | | 2048 | POL | 1.00 | 1 | 0.09 | 10 | 0.90 | | | Lane, John | | | 2031 * | IRL | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Daly, Justin | | | 2031 * | IRL | 1.00 | 1 | 0.08 | 10 | 0.80 | | | O`Connell, Gerard | | | 2138 | IRL | 1.00 | 1 | 0.15 | 10 | 1.50 | | | O`Connor, Jonathan | | | 2148 | IRL | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Harding, Tim | | | 2205 | IRL | 1.00 | 1 | 0.21 | 10 | 2.10 | | | Fitzsimons, David | | | 2229 | IRL | 0.50 | 1 | -0.26 | 10 | -2.60 | | | * 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) | | | | Irish National Chess Club Championship 2011 | Dublin | IRL | 2011-02-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2248 | 2436 | 3.50 | 4 | 0.67 | 10 | 6.70 | |
| | Walsh, Paul | | | 2047 | IRL | 1.00 | 1 | 0.09 | 10 | 0.90 | | | Fitzsimons, David | | | 2240 | IRL | 1.00 | 1 | 0.25 | 10 | 2.50 | | | Madynski, Pawel | | | 2146 | POL | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Hebden, Mark | g | | 2558 | ENG | 0.50 | 1 | 0.17 | 10 | 1.70 | |
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) | | | | 34 Open Internacional Ciudad de San Sebastian | Donostia-San Sebastian | ESP | 2011-04-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2308 | 2426 | 7.00 | 9 | 1.33 | 10 | 13.30 | |
| | Zaballa Zarzosa, Jon | | | 2026 * | ESP | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Hilarius, Sander | | | 2096 | NED | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Moreno Ruiz, Javier | m | | 2527 | ESP | 0.00 | 1 | -0.36 | 10 | -3.60 | | | Diaz Herrero, Alvaro | | | 2126 | ESP | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Velten, Paul | | | 2281 | FRA | 0.50 | 1 | -0.19 | 10 | -1.90 | | | Ibar, Marcelo | f | | 2217 | ARG | 1.00 | 1 | 0.23 | 10 | 2.30 | | | Starostits, Ilmars | g | | 2486 | LAT | 1.00 | 1 | 0.58 | 10 | 5.80 | | | Korchnoi, Viktor | g | | 2557 | SUI | 1.00 | 1 | 0.68 | 10 | 6.80 | | | Venkatesh, M.r. | m | | 2455 | IND | 0.50 | 1 | 0.04 | 10 | 0.40 | | | * 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) | | |
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