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Individual Calculations March 2019 |
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| Wemmers, Xander Total change: -14.90 | |   |
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| Gibraltar International Chess Festival 2019 Masters | Gibraltar | ENG | 2019-01-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2290 | 2418 | 5.00 | 10 | -1.50 | 10 | -15.00 | |
|  Obiamiwe, Paul | | | 2018 * | NGR | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Santos Ruiz, Miguel | g | | 2543 | ESP | 0.00 | 1 | -0.33 | 10 | -3.30 | | | De Seroux, Camille | | wf | 2145 | SUI | 1.00 | 1 | 0.17 | 10 | 1.70 | | | Zanan, Evgeny | m | | 2528 | ISR | 0.00 | 1 | -0.35 | 10 | -3.50 | | | Valhondo Morales, Ruben | | | 2231 | ESP | 0.00 | 1 | -0.74 | 10 | -7.40 | | | Priyanka, Nutakki | | wm | 2195 | IND | 1.00 | 1 | 0.22 | 10 | 2.20 | | | Zuo, Yifan | c | | 2298 | CHN | 1.00 | 1 | 0.34 | 10 | 3.40 | | | Krysa, Leandro | g | | 2499 | ARG | 0.00 | 1 | -0.39 | 10 | -3.90 | | | Risting, Eivind Olav | f | | 2281 | NOR | 0.50 | 1 | -0.18 | 10 | -1.80 | | | Byron, Alan M | | | 2157 | ENG | 0.50 | 1 | -0.32 | 10 | -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) | | | | Belgian Interclubs 2018-2019 Round 6 | Various | BEL | 2019-02-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2082 | 2418 | 1.00 | 1 | 0.12 | 10 | 1.20 | |
| | Tomme, Lowie | | | 2082 | BEL | 1.00 | 1 | 0.12 | 10 | 1.20 | |
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) | | | | Dutch Team Competition 2018-2019 Klasse 1A Round 6 | Various | NED | 2019-02-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2331 | 2418 | 0.50 | 1 | -0.12 | 10 | -1.20 | |
| | De Boer, Eelke | f | | 2331 | NED | 0.50 | 1 | -0.12 | 10 | -1.20 | |
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) | | | | Belgian Interclubs 2018-2019 Round 7 | Various | BEL | 2019-02-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2195 | 2418 | 0.50 | 1 | -0.28 | 10 | -2.80 | |
| | Van Mechelen, Jan | f | | 2195 | BEL | 0.50 | 1 | -0.28 | 10 | -2.80 | |
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) | | | | Belgian Interclubs 2018-2019 Round 8 | Various | BEL | 2019-02-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2257 | 2418 | 1.00 | 1 | 0.29 | 10 | 2.90 | |
| | Ratsma, Rosa | | wm | 2257 | NED | 1.00 | 1 | 0.29 | 10 | 2.90 | |
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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