O`shea, Niall December 2017 FIDE Individual Chess Calculations

Individual Calculations December 2017

O`shea, Niall Total change: 51.60

Ennis Shield 2017-18 Rounds 1-2			Various		IRL	2017-09-16
Rc	Ro			w	n	change	K	*Kchg**	Game
1851	1762			1.50	2	0.75	40	30.00

McMahon, Anthony		1856	IRL	0.50	1	0.13	40	5.20
Plaza Reino, Mercedes		1846	IRL	1.00	1	0.62	40	24.80
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)

Ennis Shield 2017-18 Rounds 3-4			Various		IRL	2017-10-23
Rc	Ro			w	n	change	K	*Kchg**	Game
1807	1762			1.50	2	0.63	40	25.20

Galligan, Sean		1854	IRL	1.00	1	0.63	40	25.20
Buggy, John M.		1760	IRL	0.50	1	0.00	40	0.00
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)

Armstrong Cup 2017-18 Rounds 3-4			Various		IRL	2017-10-28
Rc	Ro			w	n	change	K	*Kchg**	Game
1695	1762			0.50	1	-0.09	40	-3.60

Cooney, Brendan		1695	IRL	0.50	1	-0.09	40	-3.60
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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