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Individual Calculations May 2018 |
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| Collins, Sam E. Total change: -4.10 | |   |
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| Armstrong Cup 2017-18 Rounds 9-10 | Various | IRL | 2018-02-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2153 | 2464 | 2.00 | 2 | 0.30 | 10 | 3.00 | |
|  O`cinneide, Mel | | | 2242 | IRL | 1.00 | 1 | 0.22 | 10 | 2.20 | | | Smith, Derek | | | 2064 * | IRL | 1.00 | 1 | 0.08 | 10 | 0.80 | | | * 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) | | | | Easter GM Norm Event 2018 | Dublin | IRL | 2018-03-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2388 | 2452 | 4.50 | 9 | -0.74 | 10 | -7.40 | |
|  Poghosyan, Suren | f | | 2251 | ARM | 0.50 | 1 | -0.26 | 10 | -2.60 | | | Ryan, Joe | f | | 2264 | IRL | 0.50 | 1 | -0.24 | 10 | -2.40 | | | Daly, Colm | f | | 2340 | IRL | 1.00 | 1 | 0.35 | 10 | 3.50 | | | Simantsev, Mikhail | g | | 2465 | UKR | 1.00 | 1 | 0.52 | 10 | 5.20 | | | Turner, Matthew | g | | 2537 | SCO | 0.50 | 1 | 0.12 | 10 | 1.20 | | | Fitzsimons, David | f | | 2325 | IRL | 0.00 | 1 | -0.67 | 10 | -6.70 | | | Longson, Alex | f | | 2319 | ENG | 0.50 | 1 | -0.18 | 10 | -1.80 | | | Lopez, Alex | m | | 2442 | IRL | 0.00 | 1 | -0.51 | 10 | -5.10 | | | Pert, Nicholas | g | | 2549 | ENG | 0.50 | 1 | 0.13 | 10 | 1.30 | |
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) | | | | National Club Championships 2018 | Athlone | IRL | 2018-04-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2259 | 2452 | 3.00 | 4 | 0.03 | 10 | 0.30 | |
| | Delaney, John | f | | 2217 | IRL | 1.00 | 1 | 0.21 | 10 | 2.10 | | | O`connell, Gerry | | | 2170 | IRL | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Mueller, Reinhold | f | | 2294 | IRL | 0.50 | 1 | -0.21 | 10 | -2.10 | | | Valdes Escobar, Alvaro | m | | 2354 | CHI | 0.50 | 1 | -0.13 | 10 | -1.30 | |
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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