Chess South Africa Ratings Database

PLAYER PAGE

Personal

Khumalo, O (Olwethu)

Chess SA id

1120152403

FIDE id

Date of birth

2012-11-21 (U14)

Gender

Male

Region

Chess South Africa (CSA)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-16

Personal details last changed

1900-01-01

Junior GPX Games

31.6

Junior GPX Points

1064.8

Item	Main	Standard	Rapid	Blitz
Rating	1189.8	1182.6	1216.3	1200
Raw rating	1155.9	1132.5	1216.3	1200
Weighted rating	1189.8	1182.6	1209.6	1200
Weighted performance	1043.1	1002.8	0	0
Floor	706.8	700.8	716.3	700
K-factor	36	36	36	36
Min/Max rating change allowed	176.6	182.5	162	165.8
Highest rating	1206.8 2024-12-01	1200.8 2024-12-01	1340.6 2023-06-01	1200 2018-10-01
Highest raw rating	1206.8 2024-12-01	1200.8 2024-12-01	1216.3 2025-09-01	1200 2024-03-01
Highest weighted rating	1206.8 2018-10-01	1200.8 2018-10-01	1209 2025-09-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2019-12-01	1340.6 2023-06-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-3	-4.4	0	0
New rating	1186.8	1178.2	1216.3	1200
Analysis
Rating	1189.8	1182.6	1216.3	1200
Raw rating	1155.9	1132.5	1216.3	1200
Weighted rating	1189.8	1182.6	1209.6
Weighted performance	1043.1	1002.8	0
K-factor	36	36	36	36
Floor	706.8	700.8	716.3	700
Max/Min rating change allowed	176.6	182.5	162	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	1155.9	1132.5	1216.3	1200
New weighted rating	1186.8	1178.2	1210.2	1200
New weighted performance	1042.7	1002.5	0	0
Temp new rating	1186.8	1178.2	1216.3	1200
Temp new rating +/-	-3	-4.4	0	0
Final new rating +/-	-3	-4.4	0	0
New rating	1186.8	1178.2	1216.3	1200
New K-factor	36	36	36	36
New floor	706.8	700.8	716.3	700

Item	Main	Standard	Rapid
	0	0	0
	20	15	5
	17	12	5
	6	4	2
	0	0	0
	0	0	0
History	43	31	12

Games since
	Main 37	Standard 27		Rapid 10		Blitz 0
Gender	Male
Age group	U14
Region	Chess South Africa (CSA)
Province
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	20	5.5	27.5	-191.2	1284.8	1093.5
Standard	15	3	20	-255	1287.9	1032.9
Rapid	5	2.5	50	0	1275.5	1275.5
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	43	15.5	36.05	-118.6	1260.5	1141.9
Standard	31	9.5	30.65	-164.5	1263.3	1098.8
Rapid	12	6	50	0	1253	1253
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1155.9	1132.5	1216.3	1200
2025-09-01	1155.9	1132.5	1216.3	1200
2025-08-01	1196.3	1192.1	1208.4	1200
2025-07-01	1196.3	1192.1	1208.4	1200
2025-06-01	1196.3	1192.1	1208.4	1200
2025-05-01	1196.1	1191.9	1208.4	1200
2025-04-01	1193.6	1188.9	1208.4	1200
2025-03-01	1196.6	1192.5	1208.4	1200
2025-02-01	1195.1	1191.4	1208.1	1200
2025-01-01	1175	1176	1205.6	1200
2024-12-01	1206.8	1200.8	1208.8	1200
2024-11-01	1198.2	1193.6	1208.8	1200
2024-10-01	1198.2	1193.6	1208.8	1200
2024-09-01	1198.2	1193.6	1208.8	1200
2024-08-01	1198.2	1193.6	1208.8	1200
2024-07-01	1198.2	1193.6	1208.8	1200
2024-06-01	1198.2	1193.6	1208.8	1200
2024-08-01	1198.2	1193.6	1208.8	1200
2024-04-01	1198.2	1193.6	1208.8	1200
2024-03-01	1198.2	1193.6	1208.8	1200
2024-02-01	1198.2	1193.6	1208.8	1200
2024-01-01	1198.2	1193.6	1208.8	1200
2023-12-01	1198.2	1193.6	1208.8	1200
2023-11-01	1198.2	1193.6	1208.8	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	ILembe Youth Trials 2025 (U14-U18)	2025-08-16	2025-08-16	Standard	iLembe (KIK)	5	5	1.5	Yes	Analysis
2	The North Coast Open 2025 (Senior Primary)	2025-08-09	2025-08-09	Standard	iLembe (KIK)	5	5	1	Yes	Analysis
3	2025 Ashton Ballito Chess Champs (Senior Primary)	2025-08-02	2025-08-02	Rapid	iLembe (KIK)	5	5	2.5	Yes	Analysis
4	Nokukhanya Luthuli Chess Challenge 2025 (Senior Primary)	2025-03-08	2025-03-08	Standard	iLembe (KIK)	5	1	0.5	Yes	Analysis
5	Salt Rock 60/60 2025 (Boys)	2025-03-01	2025-03-01	Standard	iLembe (KIK)	5	4	0	Yes	Analysis
6	Dr Mhlanga Chess Challenge 2025 (Boys)	2025-02-08	2025-02-08	Standard	iLembe (KIK)	5	0	0	No	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	ILembe Youth Trials 2025 (U14-U18)	2025-08-16	2025-08-16	Standard	iLembe (KIK)	5	5	1.5	Yes	Analysis
2	The North Coast Open 2025 (Senior Primary)	2025-08-09	2025-08-09	Standard	iLembe (KIK)	5	5	1	Yes	Analysis
3	2025 Ashton Ballito Chess Champs (Senior Primary)	2025-08-02	2025-08-02	Rapid	iLembe (KIK)	5	5	2.5	Yes	Analysis
4	Nokukhanya Luthuli Chess Challenge 2025 (Senior Primary)	2025-03-08	2025-03-08	Standard	iLembe (KIK)	5	1	0.5	Yes	Analysis
5	Salt Rock 60/60 2025 (Boys)	2025-03-01	2025-03-01	Standard	iLembe (KIK)	5	4	0	Yes	Analysis
6	Dr Mhlanga Chess Challenge 2025 (Boys)	2025-02-08	2025-02-08	Standard	iLembe (KIK)	5	0	0	No	Analysis
7	Mzansi Interprovincial Youth Chess Championships 2024 (U14 Open Candidates)	2024-12-16	2024-12-19	Standard	Capricorn (LCP)	7	7	2.5	Yes	Analysis
8	Umhlali Preparatory Inter House Chess 2024 (Grade 6)	2024-11-26	2024-11-26	Rapid	iLembe (KIK)	5	5	2.5	Yes	Analysis
9	2024 ILembe Youth Trials (U14)	2024-10-19	2024-10-19	Standard	iLembe (KIK)	5	5	2.5	Yes	Analysis
10	Luthuli & Kennedy Chess Tournament 2023 (Senior Primary)	2023-06-23	2023-06-23	Rapid	iLembe (KIK)	5	2	1	Yes	Analysis
11	ILembe Youth Trials (II)	2023-05-13	2023-05-13	Standard	iLembe (KIK)	5	0	0	No	Analysis
12	ILembe Youth Trials 2023 (U12)	2023-04-22	2023-04-22	Standard	iLembe (KIK)	5	4	1.5	Yes	Analysis

#	Games	Start				End
1	3	Tournament Umhlali Preparatory Inter House Chess 2024				Tournament Umhlali Preparatory Inter House Chess 2024
		date 2024-11-26	rnd 2	type Rapid	result 0.5	date 2024-11-26	rnd 4	type Rapid	result 1
		Opponent Motsai, K (Kgosi)				Opponent Dlamini, A (Anelisa)
2	2	Tournament ILembe Youth Trials 2025				Tournament ILembe Youth Trials 2025
		date 2025-08-16	rnd 2	type Standard	result 0.5	date 2025-08-16	rnd 3	type Standard	result 1
		Opponent Ndumndum, L (Loyiso)				Opponent Madhoo, P (Prathana)
3	2	Tournament 2025 Ashton Ballito Chess Champs				Tournament 2025 Ashton Ballito Chess Champs
		date 2025-08-02	rnd 4	type Rapid	result 0.5	date 2025-08-02	rnd 5	type Rapid	result 1
		Opponent Mbatha, K (Khanysa)				Opponent Ramballi, A (Arav)

#	Games	Start				End
1	2	Tournament ILembe Youth Trials 2025				Tournament ILembe Youth Trials 2025
		date 2025-08-16	rnd 2	type Standard	result 0.5	date 2025-08-16	rnd 3	type Standard	result 1
		Opponent Ndumndum, L (Loyiso)				Opponent Madhoo, P (Prathana)
2	2	Tournament Mzansi Interprovincial Youth Chess Championships 2024				Tournament Mzansi Interprovincial Youth Chess Championships 2024
		date 2024-12-18	rnd 6	type Standard	result 1	date 2024-12-19	rnd 7	type Standard	result 0.5
		Opponent Ndumndum, L (Loyiso)				Opponent Schoeman, A (Anthony)
3	2	Tournament 2024 ILembe Youth Trials				Tournament 2024 ILembe Youth Trials
		date 2024-10-19	rnd 4	type Standard	result 0.5	date 2024-10-19	rnd 5	type Standard	result 1
		Opponent Petrie, J (Jessica)				Opponent Nzimande, Z (Zamukele)

#	Games	Start				End
1	3	Tournament Umhlali Preparatory Inter House Chess 2024				Tournament Umhlali Preparatory Inter House Chess 2024
		date 2024-11-26	rnd 2	type Rapid	result 0.5	date 2024-11-26	rnd 4	type Rapid	result 1
		Opponent Motsai, K (Kgosi)				Opponent Dlamini, A (Anelisa)
2	2	Tournament 2025 Ashton Ballito Chess Champs				Tournament 2025 Ashton Ballito Chess Champs
		date 2025-08-02	rnd 4	type Rapid	result 0.5	date 2025-08-02	rnd 5	type Rapid	result 1
		Opponent Mbatha, K (Khanysa)				Opponent Ramballi, A (Arav)
3	1	Tournament 2025 Ashton Ballito Chess Champs				Tournament 2025 Ashton Ballito Chess Champs
		date 2025-08-02	rnd 1	type Rapid	result 1	date 2025-08-02	rnd 1	type Rapid	result 1
		Opponent Lekha, M (Myra)				Opponent Lekha, M (Myra)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Umhlali Preparatory Inter House Chess 2024				Tournament Umhlali Preparatory Inter House Chess 2024
		date 2024-11-26	rnd 3	type Rapid	result 1	date 2024-11-26	rnd 4	type Rapid	result 1
		Opponent Sharp, L (Liam)				Opponent Dlamini, A (Anelisa)
2	1	Tournament ILembe Youth Trials 2025				Tournament ILembe Youth Trials 2025
		date 2025-08-16	rnd 3	type Standard	result 1	date 2025-08-16	rnd 3	type Standard	result 1
		Opponent Madhoo, P (Prathana)				Opponent Madhoo, P (Prathana)
3	1	Tournament The North Coast Open 2025				Tournament The North Coast Open 2025
		date 2025-08-09	rnd 3	type Standard	result 1	date 2025-08-09	rnd 3	type Standard	result 1
		Opponent Horsley, A (Alexa)				Opponent Horsley, A (Alexa)

#	Games	Start				End
1	1	Tournament ILembe Youth Trials 2025				Tournament ILembe Youth Trials 2025
		date 2025-08-16	rnd 3	type Standard	result 1	date 2025-08-16	rnd 3	type Standard	result 1
		Opponent Madhoo, P (Prathana)				Opponent Madhoo, P (Prathana)
2	1	Tournament The North Coast Open 2025				Tournament The North Coast Open 2025
		date 2025-08-09	rnd 3	type Standard	result 1	date 2025-08-09	rnd 3	type Standard	result 1
		Opponent Horsley, A (Alexa)				Opponent Horsley, A (Alexa)
3	1	Tournament Mzansi Interprovincial Youth Chess Championships 2024				Tournament Mzansi Interprovincial Youth Chess Championships 2024
		date 2024-12-18	rnd 6	type Standard	result 1	date 2024-12-18	rnd 6	type Standard	result 1
		Opponent Ndumndum, L (Loyiso)				Opponent Ndumndum, L (Loyiso)

#	Games	Start				End
1	2	Tournament Umhlali Preparatory Inter House Chess 2024				Tournament Umhlali Preparatory Inter House Chess 2024
		date 2024-11-26	rnd 3	type Rapid	result 1	date 2024-11-26	rnd 4	type Rapid	result 1
		Opponent Sharp, L (Liam)				Opponent Dlamini, A (Anelisa)
2	1	Tournament 2025 Ashton Ballito Chess Champs				Tournament 2025 Ashton Ballito Chess Champs
		date 2025-08-02	rnd 5	type Rapid	result 1	date 2025-08-02	rnd 5	type Rapid	result 1
		Opponent Ramballi, A (Arav)				Opponent Ramballi, A (Arav)
3	1	Tournament 2025 Ashton Ballito Chess Champs				Tournament 2025 Ashton Ballito Chess Champs
		date 2025-08-02	rnd 1	type Rapid	result 1	date 2025-08-02	rnd 1	type Rapid	result 1
		Opponent Lekha, M (Myra)				Opponent Lekha, M (Myra)

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	Ndumndum ,L (Loyiso)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
1	Ndumndum ,L (Loyiso)	2	1132.4	1344.9	2	1193.5	1344.9	0	0	0	0	0	0
2	Dawah ,D (Dhyan)	2	0	-425	1	0	-425	1	0	-425	0	0	0
2	Dawah ,D (Dhyan)	2	1453.9	1028.9	1	1445.6	1028.9	1	1280.7	1028.9	0	0	0
3	Moodley ,K (Kai)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Moodley ,K (Kai)	1	1269.2	844.2	1	1270.9	844.2	0	0	0	0	0	0
4	Maruma ,L (Lethabo)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Maruma ,L (Lethabo)	1	1357.4	932.4	1	1356.2	932.4	0	0	0	0	0	0
5	Bashford ,G (Genya)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Bashford ,G (Genya)	1	1207.8	782.8	1	1200	782.8	0	0	0	0	0	0
6	Rasego ,B (Bohlokwa)	1	1	425	1	1	425	0	0	0	0	0	0
6	Rasego ,B (Bohlokwa)	1	1182.5	1607.5	1	1179.2	1607.5	0	0	0	0	0	0
7	Manyelo ,K (Kgabo)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Manyelo ,K (Kgabo)	1	1309.3	884.3	1	1319.5	884.3	0	0	0	0	0	0
8	Bisram ,N (Neha)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Bisram ,N (Neha)	1	1221.8	796.8	1	1214	796.8	0	0	0	0	0	0
9	Nzimande ,Z (Zamukele)	1	1	425	1	1	425	0	0	0	0	0	0
9	Nzimande ,Z (Zamukele)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Mwandla ,A (Amukeleni)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Mwandla ,A (Amukeleni)	1	1202.7	777.7	1	1200	777.7	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Khumalo, O (Olwethu)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms