Chess South Africa Ratings Database

PLAYER PAGE

Personal

Ndumndum, O (Olwethu)

Chess SA id

2110131143

FIDE id

Date of birth

2011-11-23 (U16)

Gender

Female

Region

Buffalo City (EBC)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-04-20

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1263.5	1273.5	1155.1	1200
Raw rating	1263.5	1273.5	1155.1	1200
Weighted rating	1263.5	1273.2	1153.6	1200
Weighted performance	992.3	989.6	761.9	0
Floor	803	819.6	707.2	700
K-factor	36	36	36	36
Min/Max rating change allowed	151.5	149.3	176.8	165.8
Highest rating	1311 2023-09-01	1327.3 2024-04-01	1207.2 2023-07-01	1200 2018-10-01
Highest raw rating	1303 2024-05-01	1319.6 2024-05-01	1207.2 2023-07-01	1200 2024-03-01
Highest weighted rating	1303 2025-04-01	1319.6 2024-08-01	1207.2 2018-10-01	1200 2018-10-01
Highest weighted performance	1311 2023-09-01	1327.3 2024-04-01	1200 2019-12-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1263.5	1273.5	1155.1	1200
Analysis
Rating	1263.5	1273.5	1155.1	1200
Raw rating	1263.5	1273.5	1155.1	1200
Weighted rating	1263.5	1273.2	1153.6
Weighted performance	992.3	989.6	761.9
K-factor	36	36	36	36
Floor	803	819.6	707.2	700
Max/Min rating change allowed	151.5	149.3	176.8	165.8
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	1263.5	1273.5	1155.1	1200
New weighted rating	1263.4	1273.1	1153.8	1200
New weighted performance	992	989.2	761.6	0
Temp new rating	1263.5	1273.5	1155.1	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1263.5	1273.5	1155.1	1200
New K-factor	36	36	36	36
New floor	803	819.6	707.2	700

Item	Main	Standard	Rapid
	0	0	0
	6	6	0
	26	26	0
	35	23	12
	37	19	18
	0	0	0
History	113	83	30

Games since
	Main 37	Standard 32		Rapid 5		Blitz 0
Gender	Female
Age group	U16
Region	Buffalo City (EBC)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	3310		460		147
Female	723		82		29
U16	543		75		16
U16 Female	146		13		6
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-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	6	1	16.67	-283.3	1200.2	916.9
Standard	6	1	16.67	-283.3	1200.2	916.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	113	53	46.9	-26.3	1241.8	1215.4
Standard	83	40.5	48.8	-10.2	1237.6	1227.4
Rapid	30	12.5	41.67	-70.8	1253.2	1182.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1263.5	1273.5	1155.1	1200
2025-09-01	1263.5	1273.5	1155.1	1200
2025-08-01	1263.5	1273.5	1155.1	1200
2025-07-01	1263.5	1273.4	1155.1	1200
2025-06-01	1263	1272.7	1155.1	1200
2025-05-01	1257.2	1266.2	1155.1	1200
2025-04-01	1263.5	1272.9	1155.1	1200
2025-03-01	1262.8	1272.1	1155.1	1200
2025-02-01	1261.1	1270	1155	1200
2025-01-01	1247	1251.9	1151.4	1200
2024-12-01	1247	1251.9	1151.4	1200
2024-11-01	1247	1251.9	1151.4	1200
2024-10-01	1247	1251.9	1151.4	1200
2024-09-01	1247	1251.9	1151.4	1200
2024-08-01	1303	1319.6	1151.4	1200
2024-07-01	1303	1319.6	1151.4	1200
2024-06-01	1303	1319.6	1151.4	1200
2024-08-01	1303	1319.6	1151.4	1200
2024-04-01	1266.4	1278.9	1151.4	1200
2024-03-01	1266.7	1281.8	1151.4	1200
2024-02-01	1250	1266.7	1151.4	1200
2024-01-01	1250	1266.7	1151.4	1200
2023-12-01	1250	1266.7	1151.4	1200
2023-11-01	1250	1266.7	1151.4	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	UFH Open 2025 (B)	2025-04-19	2025-04-20	Standard	Buffalo City (EBC)	7	6	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	UFH Open 2025 (B)	2025-04-19	2025-04-20	Standard	Buffalo City (EBC)	7	6	1	Yes	Analysis
2	7th Annual UFH Heritage Open 2024 (B)	2024-09-21	2024-09-22	Standard	Amathole (EAL)	7	0	0	No	Analysis
3	5th BC Trails 2024 (U14A)	2024-08-17	2024-08-17	Standard	Buffalo City (EBC)	5	5	3	Yes	Analysis
4	Hackers Open 2024 (B)	2024-08-10	2024-08-11	Standard	Buffalo City (EBC)	6	5	1	Yes	Analysis
5	UFH Open 2024 (B)	2024-04-13	2024-04-14	Standard	Amathole (EAL)	7	6	4	Yes	Analysis
6	2nd BC Trials 2024 (U14A)	2024-03-09	2024-03-09	Standard	Buffalo City (EBC)	5	5	2.5	Yes	Analysis
7	Buffalo City Vikings Chess Trials 2024 (U14A)	2024-02-03	2024-02-03	Standard	Buffalo City (EBC)	5	5	3	Yes	Analysis
8	Gompo Library Chess Club Launch 2023 (U14)	2023-10-28	2023-10-28	Rapid	Buffalo City (EBC)	5	5	1	Yes	Analysis
9	BC 5th Trials 2023 (U14A)	2023-09-02	2023-09-02	Standard	Buffalo City (EBC)	5	5	3	Yes	Analysis
10	2nd BC Trials 2023 (U14A)	2023-06-03	2023-06-03	Rapid	Buffalo City (EBC)	7	7	4.5	Yes	Analysis
11	BC Chess Trials 1 of 5 2023 (U14A)	2023-04-22	2023-04-22	Standard	Buffalo City (EBC)	5	5	3	Yes	Analysis
12	UFH Open 2023 (B)	2023-03-25	2023-03-25	Standard	Amathole (EAL)	5	4	2	Yes	Analysis
13	2nd Junior Vikings 2023 (U14A+U16A)	2023-02-23	2023-02-23	Standard	Buffalo City (EBC)	5	5	2	Yes	Analysis
14	Junior Vikings 2023 (U14A+U16A)	2023-02-11	2023-02-11	Standard	Buffalo City (EBC)	5	4	1	Yes	Analysis
15	Slum Knights 2nd Open 2022 (B)	2022-09-17	2022-09-17	Rapid	Buffalo City (EBC)	6	6	2	Yes	Analysis
16	LCC Open 2022 (B)	2022-06-25	2022-06-25	Standard	Buffalo City (EBC)	5	5	2	Yes	Analysis
17	BC Chess Trials 5 of 5 2022 (B)	2022-06-11	2022-06-11	Rapid	Buffalo City (EBC)	7	6	3	Yes	Analysis
18	BC Chess 4th Border Trials 2022 (B)	2022-05-21	2022-05-21	Rapid	Buffalo City (EBC)	6	6	2	Yes	Analysis
19	BC Trials 3 2022 (U10B+U12B)	2022-03-05	2022-03-05	Standard	Buffalo City (EBC)	5	4	2	Yes	Analysis
20	BC Trials 2 2022 (U10B+U12B)	2022-02-19	2022-02-19	Standard	Buffalo City (EBC)	5	5	3.5	Yes	Analysis
21	BC Trials 1 2022 (U10B+U12B)	2022-02-11	2022-02-11	Standard	Buffalo City (EBC)	5	5	4	Yes	Analysis
22	BC Trials 2 2020 (U10B)	2020-02-29	2020-02-29	Standard	Buffalo City (EBC)	5	5	2.5	Yes	Analysis
23	BC Trials 1 2020 (U10B)	2020-02-15	2020-02-15	Standard	Buffalo City (EBC)	5	4	1	Yes	Analysis

#	Games	Start				End
1	6	Tournament BC Trials 2 2020				Tournament BC Trials 1 2022
		date 2020-02-29	rnd 4	type Standard	result 0.5	date 2022-02-11	rnd 4	type Standard	result 1
		Opponent Tengwa, L (Luphawu)				Opponent Ndwandwa, L (Luhlumile)
2	4	Tournament 2nd BC Trials 2023				Tournament 2nd BC Trials 2023
		date 2023-06-03	rnd 3	type Rapid	result 1	date 2023-06-03	rnd 6	type Rapid	result 1
		Opponent Foslara, M (Minentle)				Opponent Joseph, A (Aahaana)
3	4	Tournament UFH Open 2023				Tournament BC Chess Trials 1 of 5 2023
		date 2023-03-25	rnd 5	type Standard	result 1	date 2023-04-22	rnd 3	type Standard	result 1
		Opponent Matshoba, L (Lisakhanya)				Opponent Ndumndum, E (Eyabo)

#	Games	Start				End
1	6	Tournament BC Trials 2 2020				Tournament BC Trials 1 2022
		date 2020-02-29	rnd 4	type Standard	result 0.5	date 2022-02-11	rnd 4	type Standard	result 1
		Opponent Tengwa, L (Luphawu)				Opponent Ndwandwa, L (Luhlumile)
2	4	Tournament UFH Open 2023				Tournament BC Chess Trials 1 of 5 2023
		date 2023-03-25	rnd 5	type Standard	result 1	date 2023-04-22	rnd 3	type Standard	result 1
		Opponent Matshoba, L (Lisakhanya)				Opponent Ndumndum, E (Eyabo)
3	3	Tournament UFH Open 2024				Tournament Hackers Open 2024
		date 2024-04-14	rnd 6	type Standard	result 1	date 2024-08-10	rnd 1	type Standard	result 1
		Opponent Foslara, Z (Ziminathi)				Opponent Magazi, S (Sipahle)

#	Games	Start				End
1	4	Tournament 2nd BC Trials 2023				Tournament 2nd BC Trials 2023
		date 2023-06-03	rnd 3	type Rapid	result 1	date 2023-06-03	rnd 6	type Rapid	result 1
		Opponent Foslara, M (Minentle)				Opponent Joseph, A (Aahaana)
2	2	Tournament BC Chess Trials 5 of 5 2022				Tournament BC Chess Trials 5 of 5 2022
		date 2022-06-11	rnd 5	type Rapid	result 1	date 2022-06-11	rnd 6	type Rapid	result 1
		Opponent Slater, J (James)				Opponent Slater, C (Charlie)
3	2	Tournament BC Chess 4th Border Trials 2022				Tournament BC Chess Trials 5 of 5 2022
		date 2022-05-21	rnd 6	type Rapid	result 1	date 2022-06-11	rnd 2	type Rapid	result 1
		Opponent Msimka, T (Tshepo)				Opponent Ndwandwa, L (Luhlumile)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament BC Trials 2 2020				Tournament BC Trials 1 2022
		date 2020-02-29	rnd 5	type Standard	result 1	date 2022-02-11	rnd 4	type Standard	result 1
		Opponent Yobudoss, S (Sarah)				Opponent Ndwandwa, L (Luhlumile)
2	4	Tournament UFH Open 2023				Tournament BC Chess Trials 1 of 5 2023
		date 2023-03-25	rnd 5	type Standard	result 1	date 2023-04-22	rnd 3	type Standard	result 1
		Opponent Matshoba, L (Lisakhanya)				Opponent Ndumndum, E (Eyabo)
3	3	Tournament UFH Open 2024				Tournament Hackers Open 2024
		date 2024-04-14	rnd 6	type Standard	result 1	date 2024-08-10	rnd 1	type Standard	result 1
		Opponent Foslara, Z (Ziminathi)				Opponent Magazi, S (Sipahle)

#	Games	Start				End
1	5	Tournament BC Trials 2 2020				Tournament BC Trials 1 2022
		date 2020-02-29	rnd 5	type Standard	result 1	date 2022-02-11	rnd 4	type Standard	result 1
		Opponent Yobudoss, S (Sarah)				Opponent Ndwandwa, L (Luhlumile)
2	4	Tournament UFH Open 2023				Tournament BC Chess Trials 1 of 5 2023
		date 2023-03-25	rnd 5	type Standard	result 1	date 2023-04-22	rnd 3	type Standard	result 1
		Opponent Matshoba, L (Lisakhanya)				Opponent Ndumndum, E (Eyabo)
3	3	Tournament UFH Open 2024				Tournament Hackers Open 2024
		date 2024-04-14	rnd 6	type Standard	result 1	date 2024-08-10	rnd 1	type Standard	result 1
		Opponent Foslara, Z (Ziminathi)				Opponent Magazi, S (Sipahle)

#	Games	Start				End
1	2	Tournament 2nd BC Trials 2023				Tournament 2nd BC Trials 2023
		date 2023-06-03	rnd 5	type Rapid	result 1	date 2023-06-03	rnd 6	type Rapid	result 1
		Opponent Mabongo, I (Isiphile)				Opponent Joseph, A (Aahaana)
2	2	Tournament BC Chess Trials 5 of 5 2022				Tournament BC Chess Trials 5 of 5 2022
		date 2022-06-11	rnd 5	type Rapid	result 1	date 2022-06-11	rnd 6	type Rapid	result 1
		Opponent Slater, J (James)				Opponent Slater, C (Charlie)
3	2	Tournament BC Chess 4th Border Trials 2022				Tournament BC Chess Trials 5 of 5 2022
		date 2022-05-21	rnd 6	type Rapid	result 1	date 2022-06-11	rnd 2	type Rapid	result 1
		Opponent Msimka, T (Tshepo)				Opponent Ndwandwa, L (Luhlumile)

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	Joseph ,A (Aahaana)	5	4	255	3	3	425	2	1	0	0	0	0
1	Joseph ,A (Aahaana)	5	1227	1482	3	1219.3	1652	2	1255.1	1227	0	0	0
2	Ndumndum ,E (Eyabo)	4	2	0	3	2	141.7	1	0	-425	0	0	0
2	Ndumndum ,E (Eyabo)	4	1232.8	1232.8	3	1216	1374.4	1	1200	807.8	0	0	0
3	Ndwandwa ,L (Luhlumile)	4	2	0	2	1	0	2	1	0	0	0	0
3	Ndwandwa ,L (Luhlumile)	4	1337.3	1337.3	2	1365.1	1337.3	2	1220.2	1337.3	0	0	0
4	Naidoo ,D (Dharshan)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
4	Naidoo ,D (Dharshan)	3	1225.5	1367.1	3	1230.3	1367.1	0	0	0	0	0	0
5	Petzer ,J (Jayden)	3	1.5	0	2	1.5	212.5	1	0	-425	0	0	0
5	Petzer ,J (Jayden)	3	1187.7	1187.7	2	1136.8	1400.2	1	1200	762.7	0	0	0
6	Beecum ,V (Viha)	3	0	-425	2	0	-425	1	0	-425	0	0	0
6	Beecum ,V (Viha)	3	1454.7	1029.7	2	1429.6	1029.7	1	1391.8	1029.7	0	0	0
7	Mabhera ,JP (Jedidiah Panashe)	3	0	-425	2	0	-425	1	0	-425	0	0	0
7	Mabhera ,JP (Jedidiah Panashe)	3	1563.3	1138.3	2	1547	1138.3	1	1195.7	1138.3	0	0	0
8	Ngewu ,E (Elowo)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
8	Ngewu ,E (Elowo)	2	1209.9	1422.4	2	1214.1	1422.4	0	0	0	0	0	0
9	Sokupe ,K (Kamvelihle)	2	0	-425	2	0	-425	0	0	0	0	0	0
9	Sokupe ,K (Kamvelihle)	2	1429.5	1004.5	2	1421.7	1004.5	0	0	0	0	0	0
10	Brown ,C (Christopher)	2	0	-425	2	0	-425	0	0	0	0	0	0
10	Brown ,C (Christopher)	2	1200	775	2	1200	775	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Ndumndum, O (Olwethu)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms