Chess South Africa Ratings Database

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Personal

Lehasa, O (Onalenna)

Chess SA id

1110162325

FIDE id

534035915

Date of birth

2011-04-01 (U16)

Gender

Male

Region

Dr Kenneth Kaunda (NWP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-12-17

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1612	1614.9	1200	1200
Raw rating	1612	1614.9	1200	1200
Weighted rating	1554.9	1562.2	1200	1200
Weighted performance	1591.9	1587.1	0	0
Floor	1115.2	1125	700	700
K-factor	28	28	36	36
Min/Max rating change allowed	92.2	91.8	165.8	165.8
Highest rating	1615.2 2025-09-30	1625 2025-09-30	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1615.2 2025-09-30	1625 2025-09-30	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1554.9 2026-01-01	1562.2 2026-01-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1591.9 2026-01-01	1587.1 2026-01-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1612	1614.9	1200	1200
Analysis
Rating	1612	1614.9	1200	1200
Raw rating	1612	1614.9	1200	1200
Weighted rating	1554.9	1562.2	1200
Weighted performance	1591.9	1587.1	0
K-factor	28	28	36	36
Floor	1115.2	1125	700	700
Max/Min rating change allowed	92.2	91.8	165.8	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	1612	1614.9	1200	1200
New weighted rating	1564.9	1571.7	1200	1200
New weighted performance	1581.3	1576.5	0	0
Temp new rating	1612	1614.9	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1612	1614.9	1200	1200
New K-factor	28	28	36	36
New floor	1115.2	1125	700	700

Item	Main	Standard
	0	0
	20	20
	25	25
	5	5
	0	0
	0	0
History	50	50

Games since
	Main 45	Standard 45		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Dr Kenneth Kaunda (NWP)
Province	Northwest (NW)
Main
	RSA		Province		Region
Overall	578		51		5
Male	527		45		4
U16	64		6		1
U16 Male	56		6		1
Standard
	RSA		Province		Region
Overall	510		52		7
Male	466		46		6
U16	54		5		1
U16 Male	47		5		1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	18	90	340	1267.7	1607.7
Standard	20	18	90	340	1267.7	1607.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	50	43	86	306	1276.1	1582.1
Standard	50	43	86	306	1276.1	1582.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1612	1614.9	1200	1200
2025-11-30	1615.2	1625	1200	1200
2025-11-01	1615.2	1625	1200	1200
2025-09-30	1615.2	1625	1200	1200
2025-09-01	1585.4	1588.5	1200	1200
2025-08-01	1585.4	1588.5	1200	1200
2025-07-01	1585.4	1588.5	1200	1200
2025-06-01	1585.4	1588.5	1200	1200
2025-05-01	1585.4	1588.5	1200	1200
2025-04-01	1571.4	1570.2	1200	1200
2025-03-01	1582.8	1583.5	1200	1200
2025-02-01	1582.8	1583.5	1200	1200
2025-01-01	1582.8	1583.5	1200	1200
2024-12-01	1556.5	1558.2	1200	1200
2024-11-01	1556.5	1558.2	1200	1200
2024-10-01	1413.7	1450.9	1200	1200
2024-09-01	1335.7	1360.2	1200	1200
2024-11-01	1335.7	1360.2	1200	1200
2024-07-01	1335.7	1360.2	1200	1200
2024-06-01	1335.7	1360.2	1200	1200
2024-05-01	1335.7	1360.2	1200	1200
2024-04-01	1335.7	1360.2	1200	1200
2024-03-01	1265.2	1277.4	1200	1200
2024-02-01	1182.1	1175.2	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 (U16 Open)	2025-12-17	2025-12-20	Standard	Nelson Mandela Bay (ENM)	6	0	0	No	Analysis
2	2025 Mzansi Inter Provincial Team Championships (U20 Open)	2025-12-15	2025-12-17	Standard	Nelson Mandela Bay (ENM)	6	6	4.5	Yes	Analysis
3	Gauteng Inter-Region at Emerald Resort 2025 (U16 Championship)	2025-12-06	2025-12-07	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
4	Dr KK Regional Trials 2025 (U16)	2025-09-06	2025-09-06	Standard	Dr Kenneth Kaunda (NWP)	5	5	5	Yes	Analysis
5	Ashton John 2025 (U16)	2025-08-23	2025-08-23	Standard	Dr Kenneth Kaunda (NWP)	5	5	4	Yes	Analysis
6	CURRO Tournament 2025 (U16)	2025-04-12	2025-04-12	Standard	Dr Kenneth Kaunda (NWP)	5	5	5	Yes	Analysis
7	Dr Kenneth Kaunda La Hoff PS 2025 (U16+U18)	2025-03-01	2025-03-01	Standard	Dr Kenneth Kaunda (NWP)	5	5	4	Yes	Analysis
8	Gauteng Inter-Region at UJ 2024 (U14 Candidates)	2024-12-07	2024-12-08	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
9	DR KKD Trails 2 2024 (U14)	2024-10-12	2024-10-12	Standard	Dr Kenneth Kaunda (NWP)	5	5	4	Yes	Analysis
10	DR KKD Curro Agegroup 2024 (U14)	2024-08-31	2024-08-31	Standard	Dr Kenneth Kaunda (NWP)	5	5	5	Yes	Analysis
11	DR KKD Ferdies Mar 2024 (C)	2024-03-02	2024-03-02	Standard	Dr Kenneth Kaunda (NWP)	5	5	5	Yes	Analysis
12	DR KKD Curro Feb 2024 (U14)	2024-02-10	2024-02-10	Standard	Dr Kenneth Kaunda (NWP)	5	5	5	Yes	Analysis
13	2023 Thomas Lechelele North West Open (C)	2023-09-15	2023-09-16	Standard	Dr Kenneth Kaunda (NWP)	5	5	2	Yes	Analysis

#	Games	Start				End
1	19	Tournament DR KKD Curro Feb 2024				Tournament DR KKD Trails 2 2024
		date 2024-02-10	rnd 1	type Standard	result 1	date 2024-10-12	rnd 4	type Standard	result 1
		Opponent Fidytek, S (Sebastian)				Opponent Scholtz, R (Rohann)
2	9	Tournament Dr Kenneth Kaunda La Hoff PS 2025				Tournament Ashton John 2025
		date 2025-03-01	rnd 5	type Standard	result 1	date 2025-08-23	rnd 3	type Standard	result 1
		Opponent Ward, A (Ashton)				Opponent Greeff, S (Sean)
3	6	Tournament Ashton John 2025				Tournament Dr KK Regional Trials 2025
		date 2025-08-23	rnd 5	type Standard	result 1	date 2025-09-06	rnd 5	type Standard	result 1
		Opponent Mvubu, L (Lucky)				Opponent Ndaga, T (Tshepiso)

#	Games	Start				End
1	19	Tournament DR KKD Curro Feb 2024				Tournament DR KKD Trails 2 2024
		date 2024-02-10	rnd 1	type Standard	result 1	date 2024-10-12	rnd 4	type Standard	result 1
		Opponent Fidytek, S (Sebastian)				Opponent Scholtz, R (Rohann)
2	9	Tournament Dr Kenneth Kaunda La Hoff PS 2025				Tournament Ashton John 2025
		date 2025-03-01	rnd 5	type Standard	result 1	date 2025-08-23	rnd 3	type Standard	result 1
		Opponent Ward, A (Ashton)				Opponent Greeff, S (Sean)
3	6	Tournament Gauteng Inter-Region at UJ 2024				Tournament Dr Kenneth Kaunda La Hoff PS 2025
		date 2024-12-07	rnd 3	type Standard	result 1	date 2025-03-01	rnd 3	type Standard	result 1
		Opponent Vogt, A (Arran Michael)				Opponent Mokoena, B (Bokamoso)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	19	Tournament DR KKD Curro Feb 2024				Tournament DR KKD Trails 2 2024
		date 2024-02-10	rnd 1	type Standard	result 1	date 2024-10-12	rnd 4	type Standard	result 1
		Opponent Fidytek, S (Sebastian)				Opponent Scholtz, R (Rohann)
2	9	Tournament Dr Kenneth Kaunda La Hoff PS 2025				Tournament Ashton John 2025
		date 2025-03-01	rnd 5	type Standard	result 1	date 2025-08-23	rnd 3	type Standard	result 1
		Opponent Ward, A (Ashton)				Opponent Greeff, S (Sean)
3	6	Tournament Gauteng Inter-Region at UJ 2024				Tournament Dr Kenneth Kaunda La Hoff PS 2025
		date 2024-12-07	rnd 3	type Standard	result 1	date 2025-03-01	rnd 3	type Standard	result 1
		Opponent Vogt, A (Arran Michael)				Opponent Mokoena, B (Bokamoso)

#	Games	Start				End
1	19	Tournament DR KKD Curro Feb 2024				Tournament DR KKD Trails 2 2024
		date 2024-02-10	rnd 1	type Standard	result 1	date 2024-10-12	rnd 4	type Standard	result 1
		Opponent Fidytek, S (Sebastian)				Opponent Scholtz, R (Rohann)
2	9	Tournament Dr Kenneth Kaunda La Hoff PS 2025				Tournament Ashton John 2025
		date 2025-03-01	rnd 5	type Standard	result 1	date 2025-08-23	rnd 3	type Standard	result 1
		Opponent Ward, A (Ashton)				Opponent Greeff, S (Sean)
3	6	Tournament Gauteng Inter-Region at UJ 2024				Tournament Dr Kenneth Kaunda La Hoff PS 2025
		date 2024-12-07	rnd 3	type Standard	result 1	date 2025-03-01	rnd 3	type Standard	result 1
		Opponent Vogt, A (Arran Michael)				Opponent Mokoena, B (Bokamoso)

No games found.

#	Games	Start				End

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	Gweshe ,T (Tafadzwa)	3	3	425	3	3	425	0	0	0	0	0	0
1	Gweshe ,T (Tafadzwa)	3	1330.5	1755.5	3	1335.5	1755.5	0	0	0	0	0	0
2	Mochoanchoeng ,T (Tshego)	3	3	425	3	3	425	0	0	0	0	0	0
2	Mochoanchoeng ,T (Tshego)	3	1186	1611	3	1185.4	1611	0	0	0	0	0	0
3	Greeff ,S (Sean)	2	1	0	2	1	0	0	0	0	0	0	0
3	Greeff ,S (Sean)	2	1385.2	1385.2	2	1383.4	1385.2	0	0	0	0	0	0
4	Ralebenya ,L (Lebenya)	2	2	425	2	2	425	0	0	0	0	0	0
4	Ralebenya ,L (Lebenya)	2	1403.4	1828.4	2	1409.4	1828.4	0	0	0	0	0	0
5	Fouche ,N (Nathan)	2	2	425	2	2	425	0	0	0	0	0	0
5	Fouche ,N (Nathan)	2	1142.2	1567.2	2	1158.6	1567.2	0	0	0	0	0	0
6	Havenga ,C (Carmie)	1	1	425	1	1	425	0	0	0	0	0	0
6	Havenga ,C (Carmie)	1	1184.7	1609.7	1	1186.7	1609.7	0	0	0	0	0	0
7	Chalimans ,H (Hlomla)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Chalimans ,H (Hlomla)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Fidytek ,S (Sebastian)	1	1	425	1	1	425	0	0	0	0	0	0
8	Fidytek ,S (Sebastian)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Habangana ,B (Bushe)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Habangana ,B (Bushe)	1	1593.1	1168.1	1	1594.6	1168.1	0	0	0	0	0	0
10	Ward ,A (Ashton)	1	1	425	1	1	425	0	0	0	0	0	0
10	Ward ,A (Ashton)	1	1265.9	1690.9	1	1275.8	1690.9	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Lehasa, O (Onalenna)

Ratings

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Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms