Chess South Africa Ratings Database

PLAYER PAGE

Personal

Sitonga, O (Owam)

Chess SA id

1080300969

FIDE id

534003649

Date of birth

2008-10-06 (U20)

Gender

Male

Region

Nelson Mandela Bay (ENM)

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	1277.2	1245.2	1233.3	1200
Raw rating	1260.9	1245.2	1233.3	1200
Weighted rating	1247.9	1243	1211.7	1200
Weighted performance	1277.2	1206.2	0	0
Floor	794	771.1	733.3	700
K-factor	36	36	36	36
Min/Max rating change allowed	152	155.5	158.1	165.8
Highest rating	1319.1 2025-11-30	1271.1 2025-11-30	1289 2024-08-01	1200 2024-04-01
Highest raw rating	1294 2025-11-30	1271.1 2025-11-30	1233.3 2025-11-01	1200 2024-04-01
Highest weighted rating	1258.8 2024-10-01	1243 2026-01-01	1221.6 2024-10-01	1200 2024-04-01
Highest weighted performance	1319.1 2025-11-30	1265.7 2024-03-01	1289 2024-08-01	1200 2024-04-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-8.6	0	0	0
New rating	1268.6	1245.2	1233.3	1200
Analysis
Rating	1277.2	1245.2	1233.3	1200
Raw rating	1260.9	1245.2	1233.3	1200
Weighted rating	1247.9	1243	1211.7
Weighted performance	1277.2	1206.2	0
K-factor	36	36	36	36
Floor	794	771.1	733.3	700
Max/Min rating change allowed	152	155.5	158.1	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	1260.9	1245.2	1233.3	1200
New weighted rating	1250.1	1244.1	1213.7	1200
New weighted performance	1268.6	1197.9	0	0
Temp new rating	1268.6	1245.2	1233.3	1200
Temp new rating +/-	-8.6	0	0	0
Final new rating +/-	-8.6	0	0	0
New rating	1268.6	1245.2	1233.3	1200
New K-factor	36	36	36	36
New floor	794	771.1	733.3	700

Item	Main	Standard	Rapid
	0	0	0
	15	9	6
	21	11	10
	0	0	0
	0	0	0
	0	0	0
History	36	20	16

Games since
	Main 36	Standard 20		Rapid 16		Blitz 0
Gender	Male
Age group	U18
Region	Nelson Mandela Bay (ENM)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	15	8	53.33	28.3	1447.5	1475.8
Standard	9	4.5	50	0	1404.8	1404.8
Rapid	6	3.5	58.33	70.8	1511.5	1582.3
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	36	17.5	48.61	-11.8	1350.3	1338.5
Standard	20	8.5	42.5	-63.8	1379.6	1315.8
Rapid	16	9	56.25	53.1	1313.7	1366.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1260.9	1245.2	1233.3	1200
2025-11-30	1294	1271.1	1233.3	1200
2025-11-01	1289.5	1262.1	1233.3	1200
2025-09-30	1258.8	1262.1	1204.8	1200
2025-09-01	1258.8	1262.1	1204.8	1200
2025-08-01	1258.8	1262.1	1204.8	1200
2025-07-01	1258.8	1262.1	1204.7	1200
2025-06-01	1258.8	1262.1	1204.6	1200
2025-05-01	1258.8	1262.1	1204.5	1200
2025-04-01	1258.8	1262.1	1204.4	1200
2025-03-01	1211	1207.7	1204.3	1200
2025-02-01	1211	1207.5	1204.3	1200
2025-01-01	1211	1207	1204.3	1200
2024-12-01	1211.6	1206.6	1204.3	1200
2024-11-01	1211.6	1206.6	1204.3	1200
2024-10-01	1216.9	1206.6	1221.6	1200
2024-09-01	1226.4	1215.2	1221.6	1200
2024-11-01	1213.9	1215.2	1200	1200
2024-07-01	1213.9	1215.2	1200	1200
2024-06-01	1213.9	1215.2	1200	1200
2024-05-01	1213.9	1215.2	1200	1200
2024-04-01	1213.9	1215.2	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	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 (U18 Open)	2025-12-17	2025-12-20	Standard	Nelson Mandela Bay (ENM)	6	5	1	Yes	Analysis
2	Township Chess Academy Annual Tournament 2025 (A)	2025-11-28	2025-11-29	Standard	Nelson Mandela Bay (ENM)	5	4	2	Yes	Analysis
3	UCC Rapid Open Oct 2025 (A)	2025-10-25	2025-10-25	Rapid	Nelson Mandela Bay (ENM)	6	6	3.5	Yes	Analysis
4	UCC Strategic Moves 2025 (A)	2025-02-28	2025-03-01	Standard	Nelson Mandela Bay (ENM)	5	5	2.5	Yes	Analysis
5	Township Chess 204 (A)	2024-11-29	2024-11-30	Standard	Nelson Mandela Bay (ENM)	5	4	1	Yes	Analysis
6	NMBCU Top Schools 2024 (High School)	2024-10-12	2024-10-12	Rapid	Nelson Mandela Bay (ENM)	5	5	2.5	Yes	Analysis
7	NMBCU Club League 2024 (A)	2024-07-24	2024-09-22	Standard	Nelson Mandela Bay (ENM)	6	2	0	Yes	Analysis
8	DSRAC Trials (Nelson Mandela Metro)	2024-08-10	2024-08-10	Rapid	Nelson Mandela Bay (ENM)	5	5	3	Yes	Analysis
9	Township Chess Academy Open 2024 (A)	2024-03-21	2024-03-21	Standard	Nelson Mandela Bay (ENM)	5	5	3	Yes	Analysis

#	Games	Start				End
1	4	Tournament UCC Strategic Moves 2025				Tournament UCC Rapid Open Oct 2025
		date 2025-03-01	rnd 5	type Standard	result 0.5	date 2025-10-25	rnd 3	type Rapid	result 1
		Opponent Coetzee, S (Schalk)				Opponent Mndai, O (Okuhle)
2	4	Tournament NMBCU Top Schools 2024				Tournament Township Chess 204
		date 2024-10-12	rnd 3	type Rapid	result 1	date 2024-11-30	rnd 2	type Standard	result 1
		Opponent Milani, A (Alwaba)				Opponent Maya, S (Simbulele)
3	3	Tournament DSRAC Trials				Tournament DSRAC Trials
		date 2024-08-10	rnd 2	type Rapid	result 1	date 2024-08-10	rnd 4	type Rapid	result 1
		Opponent Kelembe, Z (Zukhanye)				Opponent Mletshe, S (Sibu)

#	Games	Start				End
1	3	Tournament Township Chess Academy Open 2024				Tournament Township Chess Academy Open 2024
		date 2024-03-21	rnd 3	type Standard	result 1	date 2024-03-21	rnd 5	type Standard	result 1
		Opponent Ngumbela, S (Sibulele)				Opponent Bolonti, B (Buhle)
2	1	Tournament UCC Strategic Moves 2025				Tournament UCC Strategic Moves 2025
		date 2025-03-01	rnd 5	type Standard	result 0.5	date 2025-03-01	rnd 5	type Standard	result 0.5
		Opponent Coetzee, S (Schalk)				Opponent Coetzee, S (Schalk)
3	1	Tournament UCC Strategic Moves 2025				Tournament UCC Strategic Moves 2025
		date 2025-03-01	rnd 3	type Standard	result 1	date 2025-03-01	rnd 3	type Standard	result 1
		Opponent Botlhole, E (Erato)				Opponent Botlhole, E (Erato)

#	Games	Start				End
1	3	Tournament NMBCU Top Schools 2024				Tournament NMBCU Top Schools 2024
		date 2024-10-12	rnd 3	type Rapid	result 1	date 2024-10-12	rnd 5	type Rapid	result 0.5
		Opponent Milani, A (Alwaba)				Opponent Fogarty, S (Simon)
2	3	Tournament DSRAC Trials				Tournament DSRAC Trials
		date 2024-08-10	rnd 2	type Rapid	result 1	date 2024-08-10	rnd 4	type Rapid	result 1
		Opponent Kelembe, Z (Zukhanye)				Opponent Mletshe, S (Sibu)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament DSRAC Trials				Tournament DSRAC Trials
		date 2024-08-10	rnd 2	type Rapid	result 1	date 2024-08-10	rnd 4	type Rapid	result 1
		Opponent Kelembe, Z (Zukhanye)				Opponent Mletshe, S (Sibu)
2	3	Tournament Township Chess Academy Open 2024				Tournament Township Chess Academy Open 2024
		date 2024-03-21	rnd 3	type Standard	result 1	date 2024-03-21	rnd 5	type Standard	result 1
		Opponent Ngumbela, S (Sibulele)				Opponent Bolonti, B (Buhle)
3	2	Tournament NMBCU Top Schools 2024				Tournament NMBCU Top Schools 2024
		date 2024-10-12	rnd 3	type Rapid	result 1	date 2024-10-12	rnd 4	type Rapid	result 1
		Opponent Milani, A (Alwaba)				Opponent Mbane, A (Asikelelwe)

#	Games	Start				End
1	3	Tournament Township Chess Academy Open 2024				Tournament Township Chess Academy Open 2024
		date 2024-03-21	rnd 3	type Standard	result 1	date 2024-03-21	rnd 5	type Standard	result 1
		Opponent Ngumbela, S (Sibulele)				Opponent Bolonti, B (Buhle)
2	1	Tournament UCC Strategic Moves 2025				Tournament UCC Strategic Moves 2025
		date 2025-03-01	rnd 3	type Standard	result 1	date 2025-03-01	rnd 3	type Standard	result 1
		Opponent Botlhole, E (Erato)				Opponent Botlhole, E (Erato)
3	1	Tournament UCC Strategic Moves 2025				Tournament UCC Strategic Moves 2025
		date 2025-02-28	rnd 1	type Standard	result 1	date 2025-02-28	rnd 1	type Standard	result 1
		Opponent Banda, B (Benjamin)				Opponent Banda, B (Benjamin)

#	Games	Start				End
1	3	Tournament DSRAC Trials				Tournament DSRAC Trials
		date 2024-08-10	rnd 2	type Rapid	result 1	date 2024-08-10	rnd 4	type Rapid	result 1
		Opponent Kelembe, Z (Zukhanye)				Opponent Mletshe, S (Sibu)
2	2	Tournament NMBCU Top Schools 2024				Tournament NMBCU Top Schools 2024
		date 2024-10-12	rnd 3	type Rapid	result 1	date 2024-10-12	rnd 4	type Rapid	result 1
		Opponent Milani, A (Alwaba)				Opponent Mbane, A (Asikelelwe)

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	Banda ,B (Benjamin)	2	1	0	2	1	0	0	0	0	0	0	0
1	Banda ,B (Benjamin)	2	1542.1	1542.1	2	1552.8	1542.1	0	0	0	0	0	0
2	Dugmore ,D (Deacon)	2	0	-425	1	0	-425	1	0	-425	0	0	0
2	Dugmore ,D (Deacon)	2	1574.6	1149.6	1	1531.7	1149.6	1	1192.8	1149.6	0	0	0
3	Peter ,NM (Neathan Mninawa)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Peter ,NM (Neathan Mninawa)	1	1907.7	1482.7	1	1912.9	1482.7	0	0	0	0	0	0
4	Mdledle ,L (Luniko)	1	1	425	1	1	425	0	0	0	0	0	0
4	Mdledle ,L (Luniko)	1	1199.8	1624.8	1	1196.7	1624.8	0	0	0	0	0	0
5	Phokela ,O (Osia)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Phokela ,O (Osia)	1	1777.5	1352.5	1	1807.1	1352.5	0	0	0	0	0	0
6	Phillip ,E (Endinako)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Phillip ,E (Endinako)	1	1157.5	732.5	1	1148	732.5	0	0	0	0	0	0
7	Coetzee ,S (Schalk)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Coetzee ,S (Schalk)	1	1489.9	1489.9	1	1481	1489.9	0	0	0	0	0	0
8	Botlhole ,E (Erato)	1	1	425	1	1	425	0	0	0	0	0	0
8	Botlhole ,E (Erato)	1	1337.5	1762.5	1	1326.7	1762.5	0	0	0	0	0	0
9	Ngwane ,S (Sibabalwe)	1	1	425	1	1	425	0	0	0	0	0	0
9	Ngwane ,S (Sibabalwe)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Maya ,S (Simbulele)	1	1	425	1	1	425	0	0	0	0	0	0
10	Maya ,S (Simbulele)	1	1200	1625	1	1200	1625	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Sitonga, O (Owam)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms