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Individual Calculations April 2018 |
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| Parkhov, Yair Total change: -10.60 | |   |
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| Petah Tikva Winter IM 2018 | Petah Tikva | ISR | 2018-02-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2315 | 2380 | 5.00 | 9 | -0.30 | 10 | -3.00 | |
|  Libman, Guy | | | 2264 | ISR | 0.50 | 1 | -0.16 | 10 | -1.60 | |  Aroesti, Roee | f | | 2225 | ISR | 1.00 | 1 | 0.29 | 10 | 2.90 | | | Nisman, Boris I | m | | 2286 | RUS | 0.50 | 1 | -0.13 | 10 | -1.30 | | | Globus, Or | f | | 2382 | ISR | 0.00 | 1 | -0.50 | 10 | -5.00 | | | Bronstein, Or | f | | 2346 | ISR | 0.50 | 1 | -0.05 | 10 | -0.50 | | | Kaganskiy, Gleb | f | | 2283 | RUS | 0.50 | 1 | -0.13 | 10 | -1.30 | | | Chernomordik, Pavel | f | | 2307 | ISR | 1.00 | 1 | 0.40 | 10 | 4.00 | | | Kudischewitsch, David | m | | 2348 | RUS | 0.50 | 1 | -0.04 | 10 | -0.40 | | | Nedobora, Mikhail | m | | 2396 | UKR | 0.50 | 1 | 0.02 | 10 | 0.20 | |
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) | | | | Israel National Team Championship 2018 Round 11 | Tel Aviv | ISR | 2018-03-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2274 | 2384 | 1.00 | 1 | 0.35 | 10 | 3.50 | |
| | Cohen Revivo, Shoham | | | 2274 | ISR | 1.00 | 1 | 0.35 | 10 | 3.50 | |
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) | | | | Israel Youth Championship Final 2018 U16 | Hakfar Hayarok | ISR | 2018-03-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2128 | 2384 | 6.00 | 9 | -1.11 | 10 | -11.10 | |
| | Ehrlich, Roy | | | 1984 * | ISR | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Slobodiansky, Steven | | | 2064 | ISR | 1.00 | 1 | 0.13 | 10 | 1.30 | | | Tzidkiya, Yeshaayahu | | | 2096 | ISR | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Gorshtein, Ido | f | | 2334 | ISR | 0.50 | 1 | -0.07 | 10 | -0.70 | | | Zhimalov, Adam | | | 2001 | ISR | 0.50 | 1 | -0.41 | 10 | -4.10 | | | Emanuel, Yahav | | | 2169 | ISR | 0.50 | 1 | -0.27 | 10 | -2.70 | | | Gabizon, Eyal | | | 2127 | ISR | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Globus, Or | f | | 2389 | ISR | 0.50 | 1 | 0.01 | 10 | 0.10 | | | Fainman, Tomer | | | 1984 * | ISR | 0.00 | 1 | -0.92 | 10 | -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) | | |
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