Chess South Africa Ratings Database

PLAYER PAGE

Personal

Viriah, M (Matthew)

Chess SA id

1160190995

FIDE id

534016163

Date of birth

2016-03-06 (U12)

Gender

Male

Region

iLembe (KIK)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-12-20

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1599.6	1605.9	1521.4	1206.4
Raw rating	1599.6	1595.9	1483.2	1205.5
Weighted rating	1462.8	1446.7	1393.5	1206.4
Weighted performance	1595.8	1605.9	1521.4	0
Floor	1099.6	1095.9	994.7	715
K-factor	32	32	32	36
Min/Max rating change allowed	93.8	94.3	110.8	164.5
Highest rating	1599.6 2026-01-01	1614.2 2023-11-01	1554.8 2025-11-01	1215 2025-03-01
Highest raw rating	1599.6 2026-01-01	1595.9 2026-01-01	1494.7 2025-09-01	1215 2025-03-01
Highest weighted rating	1462.8 2026-01-01	1446.7 2026-01-01	1367.2 2025-11-01	1215 2025-07-01
Highest weighted performance	1595.8 2026-01-01	1614.2 2023-11-01	1554.8 2025-11-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	-10	-10.4	0.1
New rating	1599.6	1595.9	1511.1	1206.4
Analysis
Rating	1599.6	1605.9	1521.4	1206.4
Raw rating	1599.6	1595.9	1483.2	1205.5
Weighted rating	1462.8	1446.7	1393.5
Weighted performance	1595.8	1605.9	1521.4
K-factor	32	32	32	36
Floor	1099.6	1095.9	994.7	715
Max/Min rating change allowed	93.8	94.3	110.8	164.5
Games	0	0	0	0
Score	0	0	0	0
Expected score	0	0	0	0
Score-Expected	0	0	0	0
Temp raw +/-	0	0	0	0
Final raw +/-	0	0	0	0
New raw rating	1599.6	1595.9	1483.2	1205.5
New weighted rating	1479.1	1463.5	1405.2	1206.4
New weighted performance	1585.3	1595.3	1511.1	0
Temp new rating	1599.6	1595.9	1511.1	1206.4
Temp new rating +/-	0	-10	-10.4	0.1
Final new rating +/-	0	-10	-10.4	0.1
New rating	1599.6	1595.9	1511.1	1206.4
New K-factor	40	32	32	36
New floor	1099.6	1095.9	994.7	715

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	81	48	21	12
	29	12	17	0
	4	4	0	0
	0	0	0	0
	0	0	0	0
History	114	64	38	12

Games since
	Main 110	Standard 60		Rapid 38		Blitz 12
Gender	Male
Age group	U10
Region	iLembe (KIK)
Province	KwaZulu Natal (KZ)
Main
	RSA		Province		Region
Overall	1025		71		4
Male	894		67		4
U10	45		3		1
U10 Male	38		3		1
Standard
	RSA		Province		Region
Overall	1076		74		3
Male	926		71		3
U10	54		4		1
U10 Male	46		4		1
Rapid
	RSA		Province		Region
Overall	163		21		4
Male	152		20		4
U10	2		1		1
U10 Male	2		1		1
Blitz
	RSA		Province		Region
Overall	463		32		5
Male	417		29		5
U10	14		1		1
U10 Male	12		1		1


	Games	Score	%	Dp	AvgOpp	Performance
Main	0	0	0	0	0	0
Standard	0	0	0	0	0	0
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

	Games	Score	%	Dp	AvgOpp	Performance
Main	81	60	74.07	204.6	1336.4	1541.1
Standard	48	35	72.92	194.8	1350.5	1545.3
Rapid	21	18.5	88.1	323.8	1295.4	1619.2
Blitz	12	6.5	54.17	35.4	1352	1387.4
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	114	86.5	75.88	220	1303.9	1523.9
Standard	64	48	75	212.5	1325.8	1538.3
Rapid	38	32	84.21	290.8	1251.8	1542.6
Blitz	12	6.5	54.17	35.4	1352	1387.4

Date	Main	Standard	Rapid	Blitz
2026-01-01	1599.6	1595.9	1483.2	1205.5
2025-11-30	1532.5	1516.5	1483.2	1205.5
2025-11-01	1576.6	1555.6	1483.2	1205.5
2025-09-30	1566	1555.6	1448.9	1205.5
2025-09-01	1551.6	1507.6	1494.7	1205.5
2025-08-01	1488.7	1470.5	1437.3	1205.5
2025-07-01	1491.2	1470.5	1437.3	1215
2025-06-01	1469.5	1470.5	1369.9	1215
2025-05-01	1470.4	1480.5	1369.9	1215
2025-04-01	1524.5	1545.9	1369.9	1215
2025-03-01	1455.8	1413.1	1369.9	1215
2025-02-01	1415.8	1351.9	1369.9	1200
2025-01-01	1415	1351.9	1369.9	1200
2024-12-01	1318.6	1291.1	1312.7	1200
2024-11-01	1291.7	1267.7	1312.7	1200
2024-10-01	1291.7	1267.7	1312.7	1200
2024-09-01	1275.6	1267.7	1255.8	1200
2024-11-01	1252.3	1267.7	1200	1200
2024-07-01	1252.3	1267.7	1200	1200
2024-06-01	1252.3	1267.7	1200	1200
2024-05-01	1252.3	1267.7	1200	1200
2024-04-01	1252.3	1267.7	1200	1200
2024-03-01	1252.3	1267.7	1200	1200
2024-02-01	1252.3	1267.7	1200	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Mzansi Individual Championships (U10 Open)	2025-12-17	2025-12-20	Standard	Nelson Mandela Bay (ENM)	6	6	4.5	Yes	Analysis
2	2025 Mzansi Inter Provincial Team Championships (U10 Combined)	2025-12-15	2025-12-17	Standard	Nelson Mandela Bay (ENM)	6	6	5.5	Yes	Analysis
3	North Coast Chess Club Term 4 Swiss 2025 (Open)	2025-10-06	2025-11-11	Standard	iLembe (KIK)	6	6	2	Yes	Analysis
4	Crawford North Coast Chess Champs 2025 (Junior Primary)	2025-10-18	2025-10-18	Rapid	iLembe (KIK)	5	5	5	Yes	Analysis
5	2025 Umhlanga Heritage Open (Junior Primary)	2025-09-27	2025-09-27	Standard	Ethekwini (KED)	5	5	5	Yes	Analysis
6	2025 KZN Provincial Trials (U10)	2025-09-06	2025-09-06	Rapid	Ethekwini (KED)	6	6	3.5	Yes	Analysis
7	North Coast Term 3 Open 2025	2025-07-28	2025-09-01	Standard	iLembe (KIK)	6	2	2	Yes	Analysis
8	The North Coast Open 2025 (Junior Primary)	2025-08-09	2025-08-09	Standard	iLembe (KIK)	5	5	5	Yes	Analysis
9	2025 Ashton Ballito Chess Champs (Junior Primary)	2025-08-02	2025-08-02	Rapid	iLembe (KIK)	5	5	5	Yes	Analysis
10	Luthuli Walk Fun Run & Bltz Chess Tournament Open 2025	2025-07-18	2025-07-18	Blitz	iLembe (KIK)	5	5	2.5	Yes	Analysis
11	Umhlali Chess Festival 2025 (Grade 2+3)	2025-06-21	2025-06-21	Rapid	iLembe (KIK)	5	5	5	Yes	Analysis
12	2025 KZN Open (C)	2025-05-02	2025-05-04	Standard	Ethekwini (KED)	7	7	5	Yes	Analysis
13	South African Junior Closed Chess Championships 2025 (U10 Open)	2025-03-31	2025-04-05	Standard	Cape Winelands (WCW)	9	9	4	Yes	Analysis
14	Knight's Quest 2025 (U8+U10)	2025-03-15	2025-03-15	Standard	iLembe (KIK)	5	5	5	Yes	Analysis
15	Salt Rock 60/60 2025 (Boys)	2025-03-01	2025-03-01	Standard	iLembe (KIK)	5	4	2	Yes	Analysis
16	North Coast Blitz Open 2025	2025-02-10	2025-02-10	Blitz	iLembe (KIK)	7	7	4	Yes	Analysis
17	Dr Mhlanga Chess Challenge 2025 (Junior Primary)	2025-02-08	2025-02-08	Standard	iLembe (KIK)	5	5	5	Yes	Analysis
18	Mzansi Interprovincial Youth Chess Championships 2024 (U10 Open Candidates)	2024-12-16	2024-12-19	Standard	Capricorn (LCP)	7	7	5.5	Yes	Analysis
19	Umhlali Preparatory Inter House Chess 2024 (Grade 2)	2024-11-27	2024-11-27	Rapid	iLembe (KIK)	5	5	4.5	Yes	Analysis
20	2024 ILembe Youth Trials (U8+U10)	2024-10-19	2024-10-19	Standard	iLembe (KIK)	5	5	3.5	Yes	Analysis
21	Westville Senior Primary Chess Tournament 2024 (Junior Primary)	2024-09-07	2024-09-07	Rapid	Ethekwini (KED)	7	7	5	Yes	Analysis
22	Ashton International College Chess Champs 2024 (Junior Primary)	2024-08-17	2024-08-17	Rapid	Ethekwini (KED)	5	5	4	Yes	Analysis
23	Umhlali Prep Inter House Chess 2023 (Grade 1)	2023-11-29	2023-11-29	Standard	iLembe (KIK)	4	4	4	Yes	Analysis

#	Games	Start				End
1	13	Tournament Luthuli Walk Fun Run & Bltz Chess Tournament Open 2025				Tournament North Coast Term 3 Open 2025
		date 2025-07-18	rnd 5	type Blitz	result 0.5	date 2025-09-01	rnd 6	type Standard	result 1
		Opponent Mkhwanazi, A (Aphile)				Opponent Ndumndum, L (Loyiso)
2	10	Tournament 2025 Umhlanga Heritage Open				Tournament Crawford North Coast Chess Champs 2025
		date 2025-09-27	rnd 1	type Standard	result 1	date 2025-10-18	rnd 5	type Rapid	result 1
		Opponent Biyela, T (Thempeli)				Opponent Singh, V (Viyara)
3	10	Tournament 2025 KZN Open				Tournament Luthuli Walk Fun Run & Bltz Chess Tournament Open 2025
		date 2025-05-03	rnd 5	type Standard	result 1	date 2025-07-18	rnd 2	type Blitz	result 1
		Opponent Gumede, N (Ntobeko)				Opponent Ntuli, S (Siphosethu)

#	Games	Start				End
1	10	Tournament 2025 KZN Open				Tournament North Coast Term 3 Open 2025
		date 2025-05-03	rnd 5	type Standard	result 1	date 2025-09-01	rnd 6	type Standard	result 1
		Opponent Gumede, N (Ntobeko)				Opponent Ndumndum, L (Loyiso)
2	8	Tournament Mzansi Interprovincial Youth Chess Championships 2024				Tournament Salt Rock 60/60 2025
		date 2024-12-18	rnd 6	type Standard	result 1	date 2025-03-01	rnd 2	type Standard	result 1
		Opponent Nkabinde, L (Landile)				Opponent Naidoo, S (Shivam)
3	8	Tournament Umhlali Prep Inter House Chess 2023				Tournament 2024 ILembe Youth Trials
		date 2023-11-29	rnd 1	type Standard	result 1	date 2024-10-19	rnd 4	type Standard	result 1
		Opponent Leitch, N (Noa)				Opponent Chen, N (Neo)

#	Games	Start				End
1	16	Tournament Westville Senior Primary Chess Tournament 2024				Tournament 2025 Ashton Ballito Chess Champs
		date 2024-09-07	rnd 7	type Rapid	result 1	date 2025-08-02	rnd 5	type Rapid	result 1
		Opponent Power, A (Amber)				Opponent Gabriels, A (Amrienta)
2	4	Tournament 2025 KZN Provincial Trials				Tournament 2025 KZN Provincial Trials
		date 2025-09-06	rnd 2	type Rapid	result 1	date 2025-09-06	rnd 5	type Rapid	result 0.5
		Opponent Naidoo, T (Thierra)				Opponent Ntshakala, H (Hlelolwenkosi)
3	4	Tournament Westville Senior Primary Chess Tournament 2024				Tournament Westville Senior Primary Chess Tournament 2024
		date 2024-09-07	rnd 2	type Rapid	result 1	date 2024-09-07	rnd 5	type Rapid	result 1
		Opponent Maseko, T (Taddeus)				Opponent Clifford, B (Benedict)

#	Games	Start				End
1	3	Tournament North Coast Blitz Open 2025				Tournament Luthuli Walk Fun Run & Bltz Chess Tournament Open 2025
		date 2025-02-10	rnd 7	type Blitz	result 1	date 2025-07-18	rnd 2	type Blitz	result 1
		Opponent Muragijeyesu, D (Daniel)				Opponent Ntuli, S (Siphosethu)
2	3	Tournament North Coast Blitz Open 2025				Tournament North Coast Blitz Open 2025
		date 2025-02-10	rnd 2	type Blitz	result 1	date 2025-02-10	rnd 4	type Blitz	result 1
		Opponent Ndumndum, L (Loyiso)				Opponent Bell, A (Aiden)
3	1	Tournament Luthuli Walk Fun Run & Bltz Chess Tournament Open 2025				Tournament Luthuli Walk Fun Run & Bltz Chess Tournament Open 2025
		date 2025-07-18	rnd 5	type Blitz	result 0.5	date 2025-07-18	rnd 5	type Blitz	result 0.5
		Opponent Mkhwanazi, A (Aphile)				Opponent Mkhwanazi, A (Aphile)

#	Games	Start				End
1	12	Tournament 2025 Ashton Ballito Chess Champs				Tournament North Coast Term 3 Open 2025
		date 2025-08-02	rnd 1	type Rapid	result 1	date 2025-09-01	rnd 6	type Standard	result 1
		Opponent Premrajh, H (Himani)				Opponent Ndumndum, L (Loyiso)
2	10	Tournament 2025 KZN Open				Tournament Luthuli Walk Fun Run & Bltz Chess Tournament Open 2025
		date 2025-05-03	rnd 5	type Standard	result 1	date 2025-07-18	rnd 2	type Blitz	result 1
		Opponent Gumede, N (Ntobeko)				Opponent Ntuli, S (Siphosethu)
3	7	Tournament Mzansi Interprovincial Youth Chess Championships 2024				Tournament Dr Mhlanga Chess Challenge 2025
		date 2024-12-18	rnd 6	type Standard	result 1	date 2025-02-08	rnd 5	type Standard	result 1
		Opponent Nkabinde, L (Landile)				Opponent Theunissen, N (Nate)

#	Games	Start				End
1	10	Tournament 2025 KZN Open				Tournament North Coast Term 3 Open 2025
		date 2025-05-03	rnd 5	type Standard	result 1	date 2025-09-01	rnd 6	type Standard	result 1
		Opponent Gumede, N (Ntobeko)				Opponent Ndumndum, L (Loyiso)
2	8	Tournament Mzansi Interprovincial Youth Chess Championships 2024				Tournament Salt Rock 60/60 2025
		date 2024-12-18	rnd 6	type Standard	result 1	date 2025-03-01	rnd 2	type Standard	result 1
		Opponent Nkabinde, L (Landile)				Opponent Naidoo, S (Shivam)
3	6	Tournament Salt Rock 60/60 2025				Tournament Knight's Quest 2025
		date 2025-03-01	rnd 5	type Standard	result 1	date 2025-03-15	rnd 5	type Standard	result 1
		Opponent Ramlachan, K (Kairav)				Opponent Chen, N (Neo)

#	Games	Start				End
1	10	Tournament Umhlali Chess Festival 2025				Tournament 2025 Ashton Ballito Chess Champs
		date 2025-06-21	rnd 1	type Rapid	result 1	date 2025-08-02	rnd 5	type Rapid	result 1
		Opponent Chonan, K (Kedhar)				Opponent Gabriels, A (Amrienta)
2	5	Tournament Westville Senior Primary Chess Tournament 2024				Tournament Umhlali Preparatory Inter House Chess 2024
		date 2024-09-07	rnd 7	type Rapid	result 1	date 2024-11-27	rnd 4	type Rapid	result 1
		Opponent Power, A (Amber)				Opponent Wills, P (Paxton)
3	4	Tournament Westville Senior Primary Chess Tournament 2024				Tournament Westville Senior Primary Chess Tournament 2024
		date 2024-09-07	rnd 2	type Rapid	result 1	date 2024-09-07	rnd 5	type Rapid	result 1
		Opponent Maseko, T (Taddeus)				Opponent Clifford, B (Benedict)

#	Games	Start				End
1	3	Tournament North Coast Blitz Open 2025				Tournament Luthuli Walk Fun Run & Bltz Chess Tournament Open 2025
		date 2025-02-10	rnd 7	type Blitz	result 1	date 2025-07-18	rnd 2	type Blitz	result 1
		Opponent Muragijeyesu, D (Daniel)				Opponent Ntuli, S (Siphosethu)
2	3	Tournament North Coast Blitz Open 2025				Tournament North Coast Blitz Open 2025
		date 2025-02-10	rnd 2	type Blitz	result 1	date 2025-02-10	rnd 4	type Blitz	result 1
		Opponent Ndumndum, L (Loyiso)				Opponent Bell, A (Aiden)

Top 10 opponents most often played

#	Opponent	Main			Standard			Rapid			Blitz
		Gms	Score	Dp	Gms	Score	Dp	Gms	Score	Dp	Gms	Score	Dp
		Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat
1	Chen ,N (Neo)	8	6.5	265.6	4	4	425	4	2.5	106.2	0	0	0
1	Chen ,N (Neo)	8	1317.6	1583.2	4	1210.3	1742.6	4	1370.3	1423.8	0	0	0
2	Maseko ,T (Taddeus)	5	4	255	3	3	425	2	1	0	0	0	0
2	Maseko ,T (Taddeus)	5	1273	1528	3	1237.7	1698	2	1239.8	1273	0	0	0
3	Asghar ,G (Gabriel)	4	4	425	2	2	425	2	2	425	0	0	0
3	Asghar ,G (Gabriel)	4	1276.2	1701.2	2	1225.4	1701.2	2	1296.2	1701.2	0	0	0
4	Asghar ,L (Luca)	3	3	425	3	3	425	0	0	0	0	0	0
4	Asghar ,L (Luca)	3	1324.2	1749.2	3	1251.8	1749.2	0	0	0	0	0	0
5	Power ,A (Amber)	3	2	141.7	2	1	0	1	1	425	0	0	0
5	Power ,A (Amber)	3	1209.5	1351.2	2	1102.5	1209.5	1	1371.7	1634.5	0	0	0
6	Tipping ,K (Kayden)	3	3	425	1	1	425	2	2	425	0	0	0
6	Tipping ,K (Kayden)	3	1291	1716	1	1236	1716	2	1290.9	1716	0	0	0
7	Chonan ,K (Kedhar)	3	3	425	1	1	425	2	2	425	0	0	0
7	Chonan ,K (Kedhar)	3	1199.7	1624.7	1	1200	1624.7	2	1215.2	1624.7	0	0	0
8	Soojay ,J (Josiah)	2	1	0	2	1	0	0	0	0	0	0	0
8	Soojay ,J (Josiah)	2	1442.3	1442.3	2	1463.9	1442.3	0	0	0	0	0	0
9	Singh ,V (Viyara)	2	2	425	1	1	425	1	1	425	0	0	0
9	Singh ,V (Viyara)	2	1235.9	1660.9	1	1198.6	1660.9	1	1250.4	1660.9	0	0	0
10	Gabriels ,A (Amrienta)	2	2	425	1	1	425	1	1	425	0	0	0
10	Gabriels ,A (Amrienta)	2	1463.2	1888.2	1	1408.8	1888.2	1	1355.7	1888.2	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Viriah, M (Matthew)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms