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Individual Calculations November 2017 |
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| Birkisson, Bjorn Holm Total change: -20.80 | |   |
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| Chess.com Isle of Man International Masters 2017 | Isle of Man | ENG | 2017-09-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2211 | 2023 | 3.00 | 9 | 0.56 | 40 | 22.40 | |
|  Shirov, Alexei | g | | 2423 * | LAT | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Vaishali, R | | wm | 2329 | IND | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Lorscheid, Gerhard | f | | 2192 | GER | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Kruse, Janik | | | 2096 | GER | 0.50 | 1 | 0.10 | 40 | 4.00 | | | Mannion, Stephen R | m | | 2320 | SCO | 0.50 | 1 | 0.35 | 40 | 14.00 | | | Coathup, Roger H | | | 2125 | ENG | 0.00 | 1 | -0.36 | 40 | -14.40 | | | Bianco, Valerio | | | 2086 | ITA | 1.00 | 1 | 0.59 | 40 | 23.60 | | | Babar, Michael | f | | 2130 | GER | 0.50 | 1 | 0.15 | 40 | 6.00 | | | Oyama, Akito | | | 2198 | ENG | 0.50 | 1 | 0.23 | 40 | 9.20 | | | * 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) | | | | Icelandic Team Championship 2017-18 - 1st division Round 1-5 | Reykjavik | ISL | 2017-10-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2074 | 2023 | 0.00 | 2 | -0.87 | 40 | -34.80 | |
| | Teitsson, Magnus | | | 2168 | ISL | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Haraldsson, Haraldur | | | 1979 | ISL | 0.00 | 1 | -0.56 | 40 | -22.40 | |
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 Championship 2017-18 - 2nd division Round 1-4 | Reykjavik | ISL | 2017-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2125 | 2023 | 1.00 | 3 | -0.21 | 40 | -8.40 | |
| | Fivelstad, Jon Olav | | | 1950 | ISL | 1.00 | 1 | 0.40 | 40 | 16.00 | | | Johannesson, Gisli Holmar | | | 2003 | ISL | 0.00 | 1 | -0.53 | 40 | -21.20 | | | Norowitz, Yaacov | m | | 2423 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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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