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Individual Calculations September 2014 |
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| Ostrovskiy, Aleksandr Total change: -9.20 | |   |
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| 13th Annual Manhattan Open | New York, New York | USA | 2014-07-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2321 | 2423 | 3.50 | 5 | 0.41 | 10 | 4.10 | |
|  Abe, Mahiro | | | 2090 | JPN | 1.00 | 1 | 0.12 | 10 | 1.20 | |  Awatramani, Janak | | | 2208 | CAN | 1.00 | 1 | 0.23 | 10 | 2.30 | | | Kudrin, Sergey | g | | 2515 | USA | 0.00 | 1 | -0.37 | 10 | -3.70 | | | Goldenberg, Ryan D | | | 2314 | USA | 1.00 | 1 | 0.35 | 10 | 3.50 | | | Kekelidze, Mikheil | g | | 2478 | GEO | 0.50 | 1 | 0.08 | 10 | 0.80 | |
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) | | | | 2014 MCC August Super FIDE Grand Prix | New York, New York | USA | 2014-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2140 | 2410 | 2.00 | 3 | -0.42 | 10 | -4.20 | |
| | Kopiecki, Edward | | | 2010 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Sena, Juan | | | 2111 | DOM | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Bonin, Jay Richard | m | | 2298 | USA | 0.00 | 1 | -0.65 | 10 | -6.50 | | | * 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) | | | | 3rd Annual Washington International - Section A | Rockville, Maryland | USA | 2014-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2364 | 2410 | 4.50 | 9 | -0.50 | 10 | -5.00 | |
| | Zhang, Yuanchen | f | | 2130 | CAN | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Troff, Kayden W | g | | 2514 | USA | 0.00 | 1 | -0.36 | 10 | -3.60 | | | Shen, Arthur | f | | 2336 | USA | 1.00 | 1 | 0.40 | 10 | 4.00 | | | Zherebukh, Yaroslav | g | | 2625 | UKR | 0.00 | 1 | -0.23 | 10 | -2.30 | | | Brattain, Mika A | | | 2352 | USA | 0.50 | 1 | -0.08 | 10 | -0.80 | | | Hua, David | | | 2304 | USA | 1.00 | 1 | 0.36 | 10 | 3.60 | | | Barbosa, Oliver A | g | | 2540 | PHI | 0.00 | 1 | -0.32 | 10 | -3.20 | | | Kaufman, Lawrence | g | | 2320 | USA | 0.50 | 1 | -0.12 | 10 | -1.20 | | | Pandya, Karma | | | 2156 | IND | 0.50 | 1 | -0.31 | 10 | -3.10 | |
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) | | | | 46th Annual Atlantic Open | Washington DC | USA | 2014-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2200 | 2410 | 2.50 | 4 | -0.41 | 10 | -4.10 | |
| | Fischer, Robert | | | 2082 | USA | 1.00 | 1 | 0.13 | 10 | 1.30 | | | Davydov, Alexander | | | 2010 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Stripunsky, Alexander | g | | 2549 | USA | 0.00 | 1 | -0.31 | 10 | -3.10 | | | Prilleltensky, Matan | | | 2157 | USA | 0.50 | 1 | -0.31 | 10 | -3.10 | | | * 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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