Chess South Africa Ratings Database

PLAYER PAGE

Personal

Sitonga, O (Owam)

Chess SA id

1080300969

FIDE id

Date of birth

2008-10-06 (U18)

Gender

Male

Region

Nelson Mandela Bay (ENM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-03-01

Personal details last changed

1900-01-01

Junior GPX Games

12.8

Junior GPX Points

1306.5

Item	Main	Standard	Rapid	Blitz
Rating	1258.8	1262.1	1205	1200
Raw rating	1258.8	1262.1	1204.8	1200
Weighted rating	1235.1	1235.1	1205	1200
Weighted performance	1166	0	0	0
Floor	758.8	762.1	721.6	700
K-factor	36	36	36	36
Min/Max rating change allowed	152.5	151.8	164.7	165.8
Highest rating	1271.3 2024-03-01	1265.7 2024-03-01	1289 2024-08-01	1200 2024-04-01
Highest raw rating	1258.8 2025-04-01	1262.1 2025-04-01	1221.6 2024-09-01	1200 2024-04-01
Highest weighted rating	1258.8 2024-10-01	1228.3 2025-08-01	1221.6 2024-10-01	1200 2024-04-01
Highest weighted performance	1271.3 2024-03-01	1265.7 2024-03-01	1289 2024-08-01	1200 2024-04-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0.1	0
New rating	1258.8	1262.1	1205.1	1200
Analysis
Rating	1258.8	1262.1	1205	1200
Raw rating	1258.8	1262.1	1204.8	1200
Weighted rating	1235.1	1235.1	1205
Weighted performance	1166	0	0
K-factor	36	36	36	36
Floor	758.8	762.1	721.6	700
Max/Min rating change allowed	152.5	151.8	164.7	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	1258.8	1262.1	1204.8	1200
New weighted rating	1237.9	1238.1	1205.1	1200
New weighted performance	1165.5	0	0	0
Temp new rating	1258.8	1262.1	1205.1	1200
Temp new rating +/-	0	0	0.1	0
Final new rating +/-	0	0	0.1	0
New rating	1258.8	1262.1	1205.1	1200
New K-factor	36	36	36	36
New floor	758.8	762.1	721.6	700

Item	Main	Standard	Rapid
	0	0	0
	5	5	0
	21	11	10
	0	0	0
	0	0	0
	0	0	0
History	26	16	10

Games since
	Main 26	Standard 16		Rapid 10		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	5	2.5	50	0	1464.6	1464.6
Standard	5	2.5	50	0	1464.6	1464.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	26	12	46.15	-32.7	1316.2	1283.5
Standard	16	6.5	40.62	-79.7	1392	1312.3
Rapid	10	5.5	55	42.5	1194.9	1237.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
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
2024-08-01	1213.9	1215.2	1200	1200
2024-07-01	1213.9	1215.2	1200	1200
2024-06-01	1213.9	1215.2	1200	1200
2024-08-01	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
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200
2023-11-01	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	UCC Strategic Moves 2025 (A)	2025-02-28	2025-03-01	Standard	Nelson Mandela Bay (ENM)	5	5	2.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	UCC Strategic Moves 2025 (A)	2025-02-28	2025-03-01	Standard	Nelson Mandela Bay (ENM)	5	5	2.5	Yes	Analysis
2	Township Chess 204 (A)	2024-11-29	2024-11-30	Standard	Nelson Mandela Bay (ENM)	5	4	1	Yes	Analysis
3	NMBCU Top Schools 2024 (High School)	2024-10-12	2024-10-12	Rapid	Nelson Mandela Bay (ENM)	5	5	2.5	Yes	Analysis
4	NMBCU Club League 2024 (A)	2024-07-24	2024-09-22	Standard	Nelson Mandela Bay (ENM)	6	2	0	Yes	Analysis
5	DSRAC Trials (Nelson Mandela Metro)	2024-08-10	2024-08-10	Rapid	Nelson Mandela Bay (ENM)	5	5	3	Yes	Analysis
6	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 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)
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)
3	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)

#	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	Dakin ,BR (Brett Russell)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Dakin ,BR (Brett Russell)	1	1582.6	1157.6	1	1617.1	1157.6	0	0	0	0	0	0
3	Mthwazi ,N (Nande)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Mthwazi ,N (Nande)	1	1212.9	787.9	1	1214.4	787.9	0	0	0	0	0	0
4	Dugmore ,D (Deacon)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Dugmore ,D (Deacon)	1	1529.2	1104.2	1	1531.7	1104.2	0	0	0	0	0	0
5	Maya ,S (Simbulele)	1	1	425	1	1	425	0	0	0	0	0	0
5	Maya ,S (Simbulele)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Bolonti ,B (Buhle)	1	1	425	1	1	425	0	0	0	0	0	0
6	Bolonti ,B (Buhle)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Ngumbela ,S (Sibulele)	1	1	425	1	1	425	0	0	0	0	0	0
7	Ngumbela ,S (Sibulele)	1	1118.3	1543.3	1	1101.2	1543.3	0	0	0	0	0	0
8	Coetzee ,S (Schalk)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
8	Coetzee ,S (Schalk)	1	1489.9	1489.9	1	1481	1489.9	0	0	0	0	0	0
9	Barry ,T (Tyler)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Barry ,T (Tyler)	1	1384.6	959.6	1	1377.6	959.6	0	0	0	0	0	0
10	Van Huyssteen ,H (Hermanus)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Van Huyssteen ,H (Hermanus)	1	1488	1063	1	1464.3	1063	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

Game statistics

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms