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Individual Calculations February 2018 |
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| Vaisberg, Michael Total change: -33.40 | |   |
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| Nat. Ch. Quarterfinal 2017-18 Jeruchess | Jerusalem | ISR | 2017-11-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1940 | 2208 | 4.00 | 8 | -2.44 | 20 | -48.80 | |
|  Vazana, Yochay | | | 1910 | ISR | 0.50 | 1 | -0.35 | 20 | -7.00 | |  Goldberg, Shmuel | | | 1808 * | RSA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Rudnev, Nikolay | | | 1962 | ISR | 0.50 | 1 | -0.31 | 20 | -6.20 | | | Weinstein, Shaul | | | 1951 | ISR | 0.00 | 1 | -0.82 | 20 | -16.40 | | | Mazar, Ariel | | | 1808 * | ISR | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Slonimskij, Arkadij | | | 2138 | RUS | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Bronfman, Shmuel | | | 2134 | ISR | 0.50 | 1 | -0.10 | 20 | -2.00 | | | Zholti, Alon | | | 1808 * | ISR | 0.00 | 1 | -0.92 | 20 | -18.40 | | | * 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) | | | | Liga Artzit South 2018 Round 1-2 | various | ISR | 2018-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2306 | 2208 | 1.50 | 2 | 0.77 | 20 | 15.40 | |
| | Lederer, Yoav | | | 2248 | ISR | 0.50 | 1 | 0.06 | 20 | 1.20 | | | Birnboim, Nathan | m | | 2364 | ISR | 1.00 | 1 | 0.71 | 20 | 14.20 | |
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) | | |
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