Rajapaksha, Isum Asitha December 2017 FIDE Individual Chess Calculations

Individual Calculations December 2017

Rajapaksha, Isum Asitha Total change: -8.40

Colombo District Youth Chess Championship - 2017 Under 15 Boys (2002 - 2003)			Colombo		SRI	2017-10-27
Rc	Ro			w	n	change	K	*Kchg**	Game
1090	1103			1.00	2	-0.03	40	-1.20

Devinda, D W M Dinupa		1020	SRI	0.50	1	-0.11	40	-4.40
Mahipala, N A Pamudu Sasanka		1160	SRI	0.50	1	0.08	40	3.20
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)

Sri Lanka Junior National Chess Championship 2017			Colombo		SRI	2017-11-02
Rc	Ro			w	n	change	K	*Kchg**	Game
1386	1103			0.50	4	-0.18	40	-7.20

Kithmal, P M Kalindhu		1379	SRI	0.00	1	-0.17	40	-6.80
Nethmina, S A Indura		1279	SRI	0.50	1	0.23	40	9.20
Thenuka, Kuruwita Gamalathge Kin		1503 *	SRI	0.00	1	-0.08	40	-3.20
Pathmasiri, R D Isuru Saranga		1382	SRI	0.00	1	-0.16	40	-6.40
* 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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