Buggy, John M. December 2017 FIDE Individual Chess Calculations

Individual Calculations December 2017

Buggy, John M. Total change: -11.20

Heidenfeld Trophy 2017-18 Rounds 1-2			Various		IRL	2017-09-16
Rc	Ro			w	n	change	K	*Kchg**	Game
1877	1760			0.00	1	-0.34	20	-6.80

O`brien, George		1877	IRL	0.00	1	-0.34	20	-6.80
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 1-2			Various		IRL	2017-09-16
Rc	Ro			w	n	change	K	*Kchg**	Game
1637	1760			1.50	2	0.26	20	5.20

McMahon, Frank		1874	IRL	0.50	1	0.16	20	3.20
Freer, Patrick		1400	IRL	1.00	1	0.10	20	2.00
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)

Ennis Shield 2017-18 Rounds 3-4			Various		IRL	2017-10-23
Rc	Ro			w	n	change	K	*Kchg**	Game
1767	1760			0.50	2	-0.48	20	-9.60

Aldridge, Dan		1771	IRL	0.00	1	-0.48	20	-9.60
O`shea, Niall		1762	IRL	0.50	1	0.00	20	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)

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