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Individual Calculations December 2017 |
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| Ben Ari, Yannay Total change: 13.20 | |   |
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| Start of Season RG Masters 2017 A | Ramat Gan | ISR | 2017-09-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1924 | 1951 | 4.50 | 7 | 0.79 | 40 | 31.60 | |
|  Uritsky, Yonathan | | | 1662 | ISR | 1.00 | 1 | 0.16 | 40 | 6.40 | |  Kochavi, Ori | | | 1892 | ISR | 0.50 | 1 | -0.08 | 40 | -3.20 | | | Adar, Idan | | | 2082 | ISR | 1.00 | 1 | 0.68 | 40 | 27.20 | | | Parnes, Nadav | | | 1936 | ISR | 1.00 | 1 | 0.48 | 40 | 19.20 | | | Levi, Netanel | | | 2113 | ISR | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Kadria, Shay | | | 1784 | ISR | 0.50 | 1 | -0.22 | 40 | -8.80 | | | Zemach, Roee | | | 1996 | ISR | 0.50 | 1 | 0.06 | 40 | 2.40 | |
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) | | | | Kiryat Ono Autumn 2017 main tournament | Kiryat Ono | ISR | 2017-09-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1956 | 1951 | 3.50 | 7 | -0.02 | 40 | -0.80 | |
| | Yablonko, Eyal | | | 1769 | ISR | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Poleg, Dan | f | | 2271 | ISR | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Verny, David | | | 1828 | ISR | 0.50 | 1 | -0.17 | 40 | -6.80 | | | Vaisgur, Alon | | | 1739 | ISR | 0.50 | 1 | -0.27 | 40 | -10.80 | | | Sherman, Reem | | | 1769 | ISR | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Friedland, Omer | | | 2148 | ISR | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Philosoph, Assi | | | 2171 | ISR | 0.50 | 1 | 0.28 | 40 | 11.20 | |
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) | | | | Liga Noar Ilit South 2017-18 Round 3-4 | various | ISR | 2017-11-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2220 | 1969 | 0.00 | 2 | -0.44 | 40 | -17.60 | |
| | Gorodetzky, David | f | | 2369 * | ISR | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Hochman, Elnatan | | | 2071 | ISR | 0.00 | 1 | -0.36 | 40 | -14.40 | | | * 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) | | |
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