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Individual Calculations April 2018 |
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| Protkin, Boris Total change: -49.60 | |   |
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| Nat. Ch. Quarterfinal 2017-18 Kiryat Bialik | Kiryat Bialik | ISR | 2017-12-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1909 | 2106 | 3.00 | 7 | -2.11 | 20 | -42.20 | |
|  Gov, Guy | | | 1759 | ISR | 1.00 | 1 | 0.11 | 20 | 2.20 | |  Gordon, Evgeny | | | 2009 | ISR | 0.00 | 1 | -0.63 | 20 | -12.60 | | | Rakita, Efim | | | 1992 | ISR | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Dayan, Prosper | | | 1796 | ISR | 0.00 | 1 | -0.86 | 20 | -17.20 | | | Gershkowich, David | f | | 2242 | ISR | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Weintraub, Amit | | | 1775 | ISR | 0.00 | 1 | -0.88 | 20 | -17.60 | | | Maman, Emanuel | | | 1788 | ISR | 1.00 | 1 | 0.13 | 20 | 2.60 | |
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 Alef North (Thursdays) 2018 Round 5-6 | various | ISR | 2018-03-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2204 | 2108 | 0.00 | 1 | -0.37 | 20 | -7.40 | |
| | Roitman, Moshe | | | 2204 | ISR | 0.00 | 1 | -0.37 | 20 | -7.40 | |
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) | | |
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