Chess South Africa Ratings Database

PLAYER PAGE

Personal

Nyirenda, SS (Stanford Siheriden)

Chess SA id

162028606

FIDE id

Date of birth

1962-02-09 (Adult)

Gender

Male

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-04-06

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1304.6	1260.2	1312.8	1217.8
Raw rating	1304.6	1259.8	1312.8	1217.8
Weighted rating	1275.6	1260.2	1273.6	1214.3
Weighted performance	1154.5	0	1158.5	0
Floor	804.6	800	812.8	800
K-factor	36	36	36	36
Min/Max rating change allowed	142.9	152.3	141.2	161.7
Highest rating	1304.6 2025-05-05	1300 2024-02-01	1312.8 2025-05-05	1300 2024-02-01
Highest raw rating	1304.6 2025-05-05	1300 2024-02-01	1312.8 2025-05-05	1300 2024-02-01
Highest weighted rating	1304.6 2024-08-01	1259.8 2025-08-01	1312.8 2024-08-01	1300 2024-07-01
Highest weighted performance	1267.8 2025-06-01	1235.2 2024-06-01	1269.1 2024-05-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	-0.3	0	0
New rating	1304.6	1260	1312.8	1217.8
Analysis
Rating	1304.6	1260.2	1312.8	1217.8
Raw rating	1304.6	1259.8	1312.8	1217.8
Weighted rating	1275.6	1260.2	1273.6
Weighted performance	1154.5	0	1158.5
K-factor	36	36	36	36
Floor	804.6	800	812.8	800
Max/Min rating change allowed	142.9	152.3	141.2	161.7
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	1304.6	1259.8	1312.8	1217.8
New weighted rating	1278.4	1260	1277.2	1213.6
New weighted performance	1189.2	0	1146.5	0
Temp new rating	1304.6	1260	1312.8	1217.8
Temp new rating +/-	0	-0.3	0	0
Final new rating +/-	0	-0.3	0	0
New rating	1304.6	1260	1312.8	1217.8
New K-factor	36	36	36	36
New floor	804.6	800	812.8	800

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	12	0	12	0
	38	14	17	7
	0	0	0	0
	0	0	0	0
	0	0	0	0
History	50	14	29	7

Games since
	Main 50	Standard 14		Rapid 29		Blitz 7
Gender	Male
Age group	Adult
Region	Sedibeng (GSV)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	3228		1082		120
Male	2522		839		95
Adult	594		185		19
Adult Male	541		170		18
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	988		169		21
Male	810		134		16
Adult	198		62		4
Adult Male	189		59		4
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-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	12	6	50	0	1583.9	1583.9
Standard	0	0	0	0	0	0
Rapid	12	6	50	0	1583.9	1583.9
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	50	18.5	37	-110.5	1371	1260.5
Standard	14	6.5	46.43	-30.4	1236	1205.6
Rapid	29	12	41.38	-73.3	1460.5	1387.2
Blitz	7	0	0	-425	1270.5	845.5

Date	Main	Standard	Rapid	Blitz
2025-11-01	1304.6	1259.8	1312.8	1217.8
2025-09-30	1304.6	1259.8	1312.8	1217.8
2025-09-01	1304.6	1259.8	1312.8	1217.8
2025-08-01	1304.6	1259.8	1312.8	1217.8
2025-07-01	1304.6	1259.2	1312.8	1217.8
2025-06-01	1304.6	1258.5	1312.8	1217.8
2025-05-01	1304.6	1257.7	1312.8	1217.8
2025-04-01	1273.2	1257.2	1244.4	1217.8
2025-03-01	1243.1	1257.2	1236.4	1217.8
2025-02-01	1241.3	1257.2	1233.6	1214.1
2025-01-01	1225.5	1257.2	1200.2	1162.1
2024-12-01	1225.5	1257.2	1200.2	1162.1
2024-11-01	1225.5	1257.2	1200.2	1162.1
2024-10-01	1225.5	1257.2	1200.2	1162.1
2024-09-01	1225.5	1257.2	1200.2	1162.1
2024-08-01	1231.8	1257.2	1230.8	1162.1
2024-07-01	1273.8	1257.2	1290.6	1300
2024-09-01	1247.5	1228.4	1290.6	1300
2024-05-01	1300	1300	1300	1300
2024-04-01	1300	1300	1300	1300
2024-03-01	1300	1300	1300	1300
2024-02-01	1300	1300	1300	1300
2024-01-01	1300	1300	1300	1300
2023-12-01	1200	1200	1200	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Lenasia Chess Academy Rapid Rated 2025 (A)	2025-04-06	2025-04-06	Rapid	Johannesburg Metro (GJM)	7	7	4	Yes	Analysis
2	Lawley Chess tournament 2nd 2025	2025-03-28	2025-03-28	Rapid	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Lenasia Chess Academy Rapid Rated 2025 (A)	2025-04-06	2025-04-06	Rapid	Johannesburg Metro (GJM)	7	7	4	Yes	Analysis
2	Lawley Chess tournament 2nd 2025	2025-03-28	2025-03-28	Rapid	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
3	Lawley vs Lehae 2024	2024-07-21	2024-07-21	Rapid	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis
4	Lawley vs Lehae 2024	2024-07-21	2024-07-21	Rapid	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis
5	Lawley Blitz Tournament 2024	2024-07-21	2024-07-21	Blitz	Johannesburg Metro (GJM)	7	7	0	Yes	Analysis
6	Lawley Chess Tournament 2024	2024-06-27	2024-06-30	Standard	Johannesburg Metro (GJM)	7	7	4	Yes	Analysis
7	Lenasia Chess Academy Rapid Tournament 2024 (A)	2024-05-19	2024-05-19	Rapid	Johannesburg Metro (GJM)	7	7	4	Yes	Analysis
8	Lawley Chess Tournament 2024	2024-03-30	2024-03-30	Standard	Johannesburg Metro (GJM)	7	7	2.5	Yes	Analysis

#	Games	Start				End
1	4	Tournament Lenasia Chess Academy Rapid Tournament 2024				Tournament Lenasia Chess Academy Rapid Tournament 2024
		date 2024-05-19	rnd 3	type Rapid	result 1	date 2024-05-19	rnd 6	type Rapid	result 1
		Opponent Narsi, H (Harshil)				Opponent Swart, R (Rohin)
2	3	Tournament Lenasia Chess Academy Rapid Rated 2025				Tournament Lenasia Chess Academy Rapid Rated 2025
		date 2025-04-06	rnd 2	type Rapid	result 1	date 2025-04-06	rnd 4	type Rapid	result 1
		Opponent Zekry, L (Lior)				Opponent Nakeng, T (Thomas)
3	2	Tournament Lawley Chess Tournament 2024				Tournament Lawley Chess Tournament 2024
		date 2024-06-27	rnd 1	type Standard	result 1	date 2024-06-27	rnd 2	type Standard	result 1
		Opponent Damari, M (Mpho)				Opponent Williams, M (Mohua Benton)

#	Games	Start				End
1	2	Tournament Lawley Chess Tournament 2024				Tournament Lawley Chess Tournament 2024
		date 2024-06-27	rnd 1	type Standard	result 1	date 2024-06-27	rnd 2	type Standard	result 1
		Opponent Damari, M (Mpho)				Opponent Williams, M (Mohua Benton)
2	2	Tournament Lawley Chess Tournament 2024				Tournament Lawley Chess Tournament 2024
		date 2024-03-30	rnd 5	type Standard	result 1	date 2024-03-30	rnd 6	type Standard	result 0.5
		Opponent Williams, S (Shepard)				Opponent Zhou, A (Author)
3	1	Tournament Lawley Chess Tournament 2024				Tournament Lawley Chess Tournament 2024
		date 2024-06-30	rnd 7	type Standard	result 1	date 2024-06-30	rnd 7	type Standard	result 1
		Opponent Hlongwane, S (Sandile)				Opponent Hlongwane, S (Sandile)

#	Games	Start				End
1	4	Tournament Lenasia Chess Academy Rapid Tournament 2024				Tournament Lenasia Chess Academy Rapid Tournament 2024
		date 2024-05-19	rnd 3	type Rapid	result 1	date 2024-05-19	rnd 6	type Rapid	result 1
		Opponent Narsi, H (Harshil)				Opponent Swart, R (Rohin)
2	3	Tournament Lenasia Chess Academy Rapid Rated 2025				Tournament Lenasia Chess Academy Rapid Rated 2025
		date 2025-04-06	rnd 2	type Rapid	result 1	date 2025-04-06	rnd 4	type Rapid	result 1
		Opponent Zekry, L (Lior)				Opponent Nakeng, T (Thomas)
3	1	Tournament Lenasia Chess Academy Rapid Rated 2025				Tournament Lenasia Chess Academy Rapid Rated 2025
		date 2025-04-06	rnd 6	type Rapid	result 1	date 2025-04-06	rnd 6	type Rapid	result 1
		Opponent Whitten, J (Jerome)				Opponent Whitten, J (Jerome)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Lenasia Chess Academy Rapid Tournament 2024				Tournament Lenasia Chess Academy Rapid Tournament 2024
		date 2024-05-19	rnd 3	type Rapid	result 1	date 2024-05-19	rnd 6	type Rapid	result 1
		Opponent Narsi, H (Harshil)				Opponent Swart, R (Rohin)
2	3	Tournament Lenasia Chess Academy Rapid Rated 2025				Tournament Lenasia Chess Academy Rapid Rated 2025
		date 2025-04-06	rnd 2	type Rapid	result 1	date 2025-04-06	rnd 4	type Rapid	result 1
		Opponent Zekry, L (Lior)				Opponent Nakeng, T (Thomas)
3	2	Tournament Lawley Chess Tournament 2024				Tournament Lawley Chess Tournament 2024
		date 2024-06-27	rnd 1	type Standard	result 1	date 2024-06-27	rnd 2	type Standard	result 1
		Opponent Damari, M (Mpho)				Opponent Williams, M (Mohua Benton)

#	Games	Start				End
1	2	Tournament Lawley Chess Tournament 2024				Tournament Lawley Chess Tournament 2024
		date 2024-06-27	rnd 1	type Standard	result 1	date 2024-06-27	rnd 2	type Standard	result 1
		Opponent Damari, M (Mpho)				Opponent Williams, M (Mohua Benton)
2	1	Tournament Lawley Chess Tournament 2024				Tournament Lawley Chess Tournament 2024
		date 2024-06-30	rnd 7	type Standard	result 1	date 2024-06-30	rnd 7	type Standard	result 1
		Opponent Hlongwane, S (Sandile)				Opponent Hlongwane, S (Sandile)
3	1	Tournament Lawley Chess Tournament 2024				Tournament Lawley Chess Tournament 2024
		date 2024-06-29	rnd 5	type Standard	result 1	date 2024-06-29	rnd 5	type Standard	result 1
		Opponent Mashale, N (Nsuku)				Opponent Mashale, N (Nsuku)

#	Games	Start				End
1	4	Tournament Lenasia Chess Academy Rapid Tournament 2024				Tournament Lenasia Chess Academy Rapid Tournament 2024
		date 2024-05-19	rnd 3	type Rapid	result 1	date 2024-05-19	rnd 6	type Rapid	result 1
		Opponent Narsi, H (Harshil)				Opponent Swart, R (Rohin)
2	3	Tournament Lenasia Chess Academy Rapid Rated 2025				Tournament Lenasia Chess Academy Rapid Rated 2025
		date 2025-04-06	rnd 2	type Rapid	result 1	date 2025-04-06	rnd 4	type Rapid	result 1
		Opponent Zekry, L (Lior)				Opponent Nakeng, T (Thomas)
3	1	Tournament Lenasia Chess Academy Rapid Rated 2025				Tournament Lenasia Chess Academy Rapid Rated 2025
		date 2025-04-06	rnd 6	type Rapid	result 1	date 2025-04-06	rnd 6	type Rapid	result 1
		Opponent Whitten, J (Jerome)				Opponent Whitten, J (Jerome)

No games found.

#	Games	Start				End

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	Mazibuko ,S (Sanele)	3	0	-425	2	0	-425	0	0	0	1	0	-425
1	Mazibuko ,S (Sanele)	3	1289.9	864.9	2	1245.7	864.9	0	0	0	1	1200	864.9
2	Damari ,M (Mpho)	3	1	-141.7	2	1	0	0	0	0	1	0	-425
2	Damari ,M (Mpho)	3	1197	1055.3	2	1209.6	1197	0	0	0	1	1200	772
3	Williams ,MB (Mohau Benton)	3	2	141.7	2	2	425	0	0	0	1	0	-425
3	Williams ,MB (Mohau Benton)	3	1183.9	1325.6	2	1175.1	1608.9	0	0	0	1	1300	758.9
4	Ranoto ,T (Tumelo)	3	0	-425	1	0	-425	1	0	-425	1	0	-425
4	Ranoto ,T (Tumelo)	3	1561.9	1136.9	1	1527.6	1136.9	1	1244	1136.9	1	1367.4	1136.9
5	Nakeng ,T (Thomas)	3	1	-141.7	0	0	0	3	1	-141.7	0	0	0
5	Nakeng ,T (Thomas)	3	1421.9	1280.2	0	0	0	3	1356.9	1280.2	0	0	0
6	Mashale ,N (Nsuku)	2	1	0	2	1	0	0	0	0	0	0	0
6	Mashale ,N (Nsuku)	2	1157.6	1157.6	2	1148.3	1157.6	0	0	0	0	0	0
7	Terblanche ,L (Lione)	2	0	-425	1	0	-425	0	0	0	1	0	-425
7	Terblanche ,L (Lione)	2	1260.9	835.9	1	1200	835.9	0	0	0	1	1200	835.9
8	Zhou ,A (Author)	2	0.5	-212.5	1	0.5	0	0	0	0	1	0	-425
8	Zhou ,A (Author)	2	1197.2	984.7	1	1165.2	1197.2	0	0	0	1	1300	772.2
9	Hlongwane ,S (Sandile)	2	1	0	1	1	425	0	0	0	1	0	-425
9	Hlongwane ,S (Sandile)	2	1174.2	1174.2	1	1200	1599.2	0	0	0	1	1200	749.2
10	Israel ,L (Leo)	2	0	-425	0	0	0	2	0	-425	0	0	0
10	Israel ,L (Leo)	2	1426.6	1001.6	0	0	0	2	1251.5	1001.6	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Nyirenda, SS (Stanford Siheriden)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms