Abeyrathne, K W A M G Dinod Uthsa February 2023 FIDE Individual Chess Calculations

Individual Calculations February 2023

Abeyrathne, K W A M G Dinod Uthsa Total change: 67.27

Ethugalpura Open International Rating Chess Championships 2022				Kurunegala		SRI	2022-12-20
Rc	Ro				w	n	change	K	*Kchg**	Game
1155	1354				5.50	8	-0.44	31	-13.64

Wickramasinghe, D P A L			1086	SRI	1.00	1	0.17	31	5.27
Wickramathilaka, H C D			1115	SRI	1.00	1	0.20	31	6.20
Induwara, T H D Thisarindu			1554	SRI	0.00	1	-0.24	31	-7.44
Somarathne, Subhaga Kushali			1133	SRI	0.00	1	-0.78	31	-24.18
Chethaka, D G Ovindu			1033	SRI	1.00	1	0.13	31	4.03
Wijesinghe, Amesha Shenali			1090	SRI	0.50	1	-0.32	31	-9.92
Wijesinghe, Yonal			1135	SRI	1.00	1	0.22	31	6.82
Dissanayake, D A Thavinsa Archani			1096	SRI	1.00	1	0.18	31	5.58
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
1337	1354				6.00	8	1.87	31	57.97

Praveeshgaran, P			1030	SRI	1.00	1	0.13	31	4.03
Weerasekara, Dishal Nimsara			1714	SRI	0.00	1	-0.10	31	-3.10
Ekanayake, E M Sahiru Deeptha			1093	SRI	1.00	1	0.18	31	5.58
Nanayakkara, N W P K W			1049	SRI	1.00	1	0.14	31	4.34
Sahasra, A P Sasindu			1535	SRI	0.00	1	-0.26	31	-8.06
Jayasuriya, Ruvin			1139	SRI	1.00	1	0.23	31	7.13
Alwala, A D Hansaja Ramith			1591	SRI	1.00	1	0.80	31	24.80
Suranjith, K W A			1547	SRI	1.00	1	0.75	31	23.25
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
1533	1354				2.50	6	0.74	31	22.94

Gunawardhana, Devindya Oshini			1574	SRI	0.50	1	0.28	31	8.68
Kodikara, K K M Sachintha		wf	1545	SRI	0.50	1	0.25	31	7.75
De Silva, Osheen			1763	SRI	0.00	1	-0.08	31	-2.48
Madurawala, M G D S Shamaya			1066	SRI	1.00	1	0.16	31	4.96
Lamahewa, S			1723	SRI	0.50	1	0.40	31	12.40
Newansa, M Esandi			1527	SRI	0.00	1	-0.27	31	-8.37
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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