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Individual Calculations July 2012 |
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| Ostrovskiy, Aleksandr Total change: 29.10 | |   |
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| 2012 MCC May Grand Prix | New York, New York | USA | 2012-05-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2218 | 2322 | 2.50 | 3 | 0.64 | 15 | 9.60 | |
|  Barsky, Sam Alex | | | 2020 | USA | 1.00 | 1 | 0.15 | 15 | 2.25 | |  Carre, Sylvain | | | 2140 | FRA | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Kekelidze, Mikheil | g | | 2494 | GEO | 0.50 | 1 | 0.23 | 15 | 3.45 | |
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) | | | | 2nd Annual New Yorker Open | New York, New York | USA | 2012-05-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2342 | 2322 | 4.50 | 6 | 1.73 | 15 | 25.95 | |
| | Wu, Francois Yiwei | | | 1950 | FRA | 1.00 | 1 | 0.10 | 15 | 1.50 | | | Markzon, Gregory | f | | 2223 | USA | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Kudrin, Sergey | g | | 2550 | USA | 0.50 | 1 | 0.29 | 15 | 4.35 | | | Benjamin, Joel | g | | 2559 | USA | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Shen, Victor C | f | | 2333 | USA | 1.00 | 1 | 0.52 | 15 | 7.80 | | | Rohde, Michael A | g | | 2439 | USA | 1.00 | 1 | 0.66 | 15 | 9.90 | |
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) | | | | 2012 MCC June Grand Prix | New York, New York | USA | 2012-06-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2110 | 2322 | 3.00 | 4 | 0.05 | 15 | 0.75 | |
| | Kumar, Aravind | c | | 1925 | USA | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Berg, George P | | | 2088 | USA | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Karas, Nicholas | | | 2014 | USA | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Sarkar, Justin | m | | 2411 | USA | 0.00 | 1 | -0.38 | 15 | -5.70 | |
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) | | | | 5th New York International - Open Section | New York, New York | USA | 2012-06-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2192 | 2322 | 5.50 | 9 | -0.48 | 15 | -7.20 | |
| | Mateer, Amanda | | wf | 2097 | USA | 0.00 | 1 | -0.78 | 15 | -11.70 | | | Williams, Justus D | | | 2189 | USA | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Wang, Kevin | | | 2171 | USA | 0.00 | 1 | -0.70 | 15 | -10.50 | | | Chiang, Michael | | | 2152 | USA | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Gershenov, Ben | | | 2173 | USA | 0.50 | 1 | -0.20 | 15 | -3.00 | | | Chiang, Sarah | | wc | 2033 | USA | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Quan, Zhe | m | | 2424 | CAN | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Qin, Ziyi | | | 2179 | CAN | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Perez, Robert | | | 2314 | USA | 0.50 | 1 | -0.01 | 15 | -0.15 | |
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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