Perera , A A Sethun Senhas February 2023 FIDE Individual Chess Calculations

Individual Calculations February 2023

Perera , A A Sethun Senhas Total change: -30.80

Asia Schools CC 2022- U 9 O			Kaluthara		SRI	2022-12-05
Rc	Ro			w	n	change	K	*Kchg**	Game
1231	1019			0.00	2	-0.58	40	-23.20

Aarav, Sarbalia		1458	IND	0.00	1	-0.06	40	-2.40
Samarakoon, Sasndu Ayod		1004	SRI	0.00	1	-0.52	40	-20.80
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)

Kandy Open International Rating Chess Championships 2022			Kandy		SRI	2022-12-27
Rc	Ro			w	n	change	K	*Kchg**	Game
1548	1019			0.00	1	-0.03	40	-1.20

Attanayake, Chanindi Mewna		1548	SRI	0.00	1	-0.03	40	-1.20
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)

Kaluthara International Chess Festival 2023			Kaluthara		SRI	2023-01-20
Rc	Ro			w	n	change	K	*Kchg**	Game
1429	1019			0.00	2	-0.16	40	-6.40

Deshappriya, D Kalindu		1486	SRI	0.00	1	-0.05	40	-2.00
Francis, U M Senal Vishmin		1371	SRI	0.00	1	-0.11	40	-4.40
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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