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Individual Calculations November 2009 |
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| Thorfinnsson, Bragi Total change: 40.90 | |   |
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| Icelandic Chess Championship - Master Section | Bolungarvik | ISL | 2009-09-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2366 | 2360 | 7.50 | 11 | 2.08 | 10 | 20.80 | |
|  Johannesson, Ingvar Thor | f | | 2323 | ISL | 1.00 | 1 | 0.45 | 10 | 4.50 | |  Olafsson, David | f | | 2327 | ISL | 0.00 | 1 | -0.55 | 10 | -5.50 | | | Ornolfsson, Magnus P | | | 2214 | ISL | 1.00 | 1 | 0.30 | 10 | 3.00 | | | Danielsen, Henrik | g | | 2473 | ISL | 1.00 | 1 | 0.65 | 10 | 6.50 | | | Arngrimsson, Dagur | m | | 2396 | ISL | 0.00 | 1 | -0.45 | 10 | -4.50 | | | Lagerman, Robert | f | | 2351 | ISL | 1.00 | 1 | 0.49 | 10 | 4.90 | | | Gunnarsson, Jon Viktor | m | | 2462 | ISL | 0.50 | 1 | 0.14 | 10 | 1.40 | | | Bjornsson, Sigurbjorn | f | | 2287 | ISL | 0.50 | 1 | -0.10 | 10 | -1.00 | | | Kjartansson, Gudmundur | f | | 2413 | ISL | 1.00 | 1 | 0.57 | 10 | 5.70 | | | Thorhallsson, Throstur | g | | 2433 | ISL | 0.50 | 1 | 0.10 | 10 | 1.00 | | | Gislason, Gudmundur | | | 2348 | ISL | 1.00 | 1 | 0.48 | 10 | 4.80 | |
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) | | | | Bolungarvik Chess Club International | Reykjavik | ISL | 2009-09-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2348 | 2360 | 5.50 | 9 | 0.99 | 10 | 9.90 | |
| | Rodriguez Fonseca, Jorge | | | 2018 | ESP | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Arngrimsson, Dagur | m | | 2396 | ISL | 1.00 | 1 | 0.55 | 10 | 5.50 | | | Gunnarsson, Jon Viktor | m | | 2462 | ISL | 0.00 | 1 | -0.36 | 10 | -3.60 | | | Thorhallsson, Throstur | g | | 2433 | ISL | 1.00 | 1 | 0.60 | 10 | 6.00 | | | Johannesson, Ingvar Thor | f | | 2323 | ISL | 0.50 | 1 | -0.05 | 10 | -0.50 | | | Miezis, Normunds | g | | 2558 | LAT | 0.00 | 1 | -0.24 | 10 | -2.40 | | | Glud, Jakob Vang | m | | 2476 | DEN | 1.00 | 1 | 0.66 | 10 | 6.60 | | | Thorfinnsson, Bjorn | f | | 2395 | ISL | 0.50 | 1 | 0.05 | 10 | 0.50 | | | Bergsson, Stefan | | | 2070 | ISL | 0.50 | 1 | -0.34 | 10 | -3.40 | |
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) | | | | Icelandic Team Champ 2009-2010 1 div (r1-4) | Reykjavik | ISL | 2009-09-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2255 | 2360 | 3.00 | 4 | 0.56 | 10 | 5.60 | |
| | Kjartansson, David | f | | 2303 | ISL | 1.00 | 1 | 0.42 | 10 | 4.20 | | | Sigfusson, Sigurdur | f | | 2335 | ISL | 1.00 | 1 | 0.47 | 10 | 4.70 | | | Hardarson, Marteinn Thor | | | 1960 * | ISL | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Ahlander, Bjorn | m | | 2423 | SWE | 0.00 | 1 | -0.41 | 10 | -4.10 | | | * 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) | | | | 25th European Club Cup for Men | Ohrid | MKD | 2009-10-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2299 | 2360 | 4.50 | 7 | 0.46 | 10 | 4.60 | |
| | Haba, Petr | g | | 2541 | CZE | 0.50 | 1 | 0.24 | 10 | 2.40 | | | Koskinen, Henri | f | | 2297 | FIN | 0.00 | 1 | -0.59 | 10 | -5.90 | | | Brown, Thomas | | | 2051 | WLS | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Bosman, Michiel | f | | 2356 | NED | 0.50 | 1 | -0.01 | 10 | -0.10 | | | Joyce, John | | | 2251 | IRL | 1.00 | 1 | 0.35 | 10 | 3.50 | | | Upton, Timothy J | f | | 2229 | SCO | 1.00 | 1 | 0.32 | 10 | 3.20 | | | Michalczak, Thomas | f | | 2365 | GER | 0.50 | 1 | 0.01 | 10 | 0.10 | |
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) | | |
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