Chess South Africa Ratings Database

PLAYER PAGE

Personal

Sibhema, O (Owethu)

Chess SA id

1080157517

FIDE id

Date of birth

2008-01-24 (U20)

Gender

Male

Region

Amajuba (KAN)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-12-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1498	1362.8	1504.2	1200
Raw rating	1476.8	1362.8	1450.4	1200
Weighted rating	1314.2	1287.8	1252.5	1200
Weighted performance	1498	0	1504.2	0
Floor	976.8	862.8	950.4	700
K-factor	32	36	32	36
Min/Max rating change allowed	111.8	131.5	116.1	165.8
Highest rating	1498 2026-01-01	1450.8 2024-09-01	1497.6 2025-11-30	1200 2018-10-01
Highest raw rating	1476.8 2026-01-01	1362.8 2026-01-01	1450.4 2025-11-30	1200 2024-02-01
Highest weighted rating	1314.2 2026-01-01	1287.8 2026-01-01	1234 2025-11-30	1200 2018-10-01
Highest weighted performance	1498 2026-01-01	1450.8 2024-09-01	1521.3 2025-11-30	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-21.8	0	-10.2	70.6
New rating	1476.1	1362.8	1494	1270.6
Analysis
Rating	1498	1362.8	1504.2	1200
Raw rating	1476.8	1362.8	1450.4	1200
Weighted rating	1314.2	1287.8	1252.5
Weighted performance	1498	0	1504.2
K-factor	32	36	32	36
Floor	976.8	862.8	950.4	700
Max/Min rating change allowed	111.8	131.5	116.1	165.8
Games	7	0	0	7
Score	5.5	0	0	5.5
Expected score	5.52	0	0	3.54
Score-Expected	-0.02	0	0	1.96
Temp raw +/-	-0.7	0	0	70.6
Final raw +/-	-0.7	0	0	70.6
New raw rating	1476.1	1362.8	1450.4	1270.6
New weighted rating	1330.1	1295.7	1270.3	1205.6
New weighted performance	1440.9	0	1494	0
Temp new rating	1476.1	1362.8	1494	1270.6
Temp new rating +/-	-21.8	0	-10.2	70.6
Final new rating +/-	-21.8	0	-10.2	70.6
New rating	1476.1	1362.8	1494	1270.6
New K-factor	32	36	32	36
New floor	976.8	862.8	950.4	770.6

Item	Main	Standard	Rapid
	0	0	0
	26	0	26
	12	12	0
	7	0	7
	0	0	0
	0	0	0
History	45	12	33

Games since
	Main 38	Standard 12		Rapid 26		Blitz 0
Gender	Male
Age group	U18
Region	Amajuba (KAN)
Province	KwaZulu Natal (KZ)
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	236		29		1
Male	217		28		1
U18	22		5		1
U18 Male	21		5		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	26	24	92.31	359.6	1218.2	1577.8
Standard	0	0	0	0	0	0
Rapid	26	24	92.31	359.6	1218.2	1577.8
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	45	34.5	76.67	226.7	1258.8	1485.5
Standard	12	7	58.33	70.8	1370.7	1441.5
Rapid	33	27.5	83.33	283.3	1218.1	1501.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1476.8	1362.8	1450.4	1200
2025-11-30	1449.2	1298	1450.4	1200
2025-11-01	1419.8	1298	1366.9	1200
2025-09-30	1292	1298	1201.4	1200
2025-09-01	1292	1298	1201.4	1200
2025-08-01	1292	1298	1201.4	1200
2025-07-01	1292	1298	1201.4	1200
2025-06-01	1292	1298	1201.4	1200
2025-05-01	1292	1298	1201.4	1200
2025-04-01	1292	1298	1201.4	1200
2025-03-01	1292	1298	1201.4	1200
2025-02-01	1292	1298	1201.4	1200
2025-01-01	1292	1298	1201.4	1200
2024-12-01	1257.9	1261.6	1201.4	1200
2024-11-01	1257.9	1261.6	1201.4	1200
2024-10-01	1257.9	1261.6	1201.4	1200
2024-09-01	1204.1	1200	1201.4	1200
2024-11-01	1204.1	1200	1201.4	1200
2024-07-01	1204.1	1200	1201.4	1200
2024-06-01	1204.1	1200	1201.4	1200
2024-05-01	1204.1	1200	1201.4	1200
2024-04-01	1204.1	1200	1201.4	1200
2024-03-01	1204.1	1200	1201.4	1200
2024-02-01	1204.1	1200	1201.4	1200

Comming soon.

Tournaments

History

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Osizweni Library Chess Blitz I Open 2026	2026-01-10	2026-01-10	Blitz	Amajuba (KAN)	7	7	5.5	Yes	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Osizweni Library Chess Blitz I Open 2026	2026-01-10	2026-01-10	Blitz	Amajuba (KAN)	7	7	5.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Osizweni Library Chess Blitz I Open 2026	2026-01-10	2026-01-10	Blitz	Amajuba (KAN)	7	7	5.5	Yes	Analysis
2	2025 SALGA KZN DSAC Games (U20 Male)	2025-12-05	2025-12-07	Standard	Umgungunglovu (KUP)	7	7	4.5	Yes	Analysis
3	Amajuba Mayoral Cup 2025 (U20 Boys)	2025-11-15	2025-11-15	Rapid	Amajuba (KAN)	7	7	6.5	Yes	Analysis
4	Isukile Amajuba 2025 (U20)	2025-10-26	2025-10-26	Rapid	Amajuba (KAN)	7	7	6	Yes	Analysis
5	Newcastle Mayoral Cup 2025 (U20)	2025-10-18	2025-10-18	Rapid	Amajuba (KAN)	6	6	5.5	Yes	Analysis
6	Newcastle Zone 3 Osizweni 2025 (U20)	2025-10-12	2025-10-12	Rapid	Amajuba (KAN)	6	6	6	Yes	Analysis
7	2024 SALGA KZN DSAC Games	2024-12-06	2024-12-08	Standard	Ethekwini (KED)	7	6	3	Yes	Analysis
8	2024 KZN Schools District Selections (U18 Boys)	2024-09-13	2024-09-15	Standard	Ethekwini (KED)	6	6	4	Yes	Analysis
9	2023 KZN Winter Schools Selections (U15 Boys)	2023-06-24	2023-06-24	Rapid	Ethekwini (KED)	7	7	3.5	Yes	Analysis

#	Games	Start				End
1	16	Tournament Newcastle Zone 3 Osizweni 2025				Tournament Isukile Amajuba 2025
		date 2025-10-12	rnd 1	type Rapid	result 1	date 2025-10-26	rnd 4	type Rapid	result 1
		Opponent Mtshali, S (Siphosethu)				Opponent Sukazi, S (Sifundo)
2	4	Tournament 2024 KZN Schools District Selections				Tournament 2024 SALGA KZN DSAC Games
		date 2024-09-14	rnd 4	type Standard	result 1	date 2024-12-06	rnd 2	type Standard	result 1
		Opponent Mathonsi, A (Andile)				Opponent Mnqondo, M (Mpumelelo)
3	3	Tournament 2024 SALGA KZN DSAC Games				Tournament 2024 SALGA KZN DSAC Games
		date 2024-12-07	rnd 4	type Standard	result 0.5	date 2024-12-07	rnd 6	type Standard	result 0.5
		Opponent Sunder, K (Kiyaan)				Opponent Mpanza, M (Masimbonge)

#	Games	Start				End
1	4	Tournament 2024 KZN Schools District Selections				Tournament 2024 SALGA KZN DSAC Games
		date 2024-09-14	rnd 4	type Standard	result 1	date 2024-12-06	rnd 2	type Standard	result 1
		Opponent Mathonsi, A (Andile)				Opponent Mnqondo, M (Mpumelelo)
2	3	Tournament 2024 SALGA KZN DSAC Games				Tournament 2024 SALGA KZN DSAC Games
		date 2024-12-07	rnd 4	type Standard	result 0.5	date 2024-12-07	rnd 6	type Standard	result 0.5
		Opponent Sunder, K (Kiyaan)				Opponent Mpanza, M (Masimbonge)
3	1	Tournament 2024 KZN Schools District Selections				Tournament 2024 KZN Schools District Selections
		date 2024-09-14	rnd 2	type Standard	result 1	date 2024-09-14	rnd 2	type Standard	result 1
		Opponent Mbatha, B (Bayanda)				Opponent Mbatha, B (Bayanda)

#	Games	Start				End
1	2	Tournament 2023 KZN Winter Schools Selections				Tournament 2023 KZN Winter Schools Selections
		date 2023-06-24	rnd 5	type Rapid	result 1	date 2023-06-24	rnd 6	type Rapid	result 0.5
		Opponent Dlamini, N (Ntandoyenkosi)				Opponent Chetty, L (Luke)
2	2	Tournament 2023 KZN Winter Schools Selections				Tournament 2023 KZN Winter Schools Selections
		date 2023-06-24	rnd 2	type Rapid	result 1	date 2023-06-24	rnd 3	type Rapid	result 1
		Opponent Ho, R (Ryan)				Opponent Khumalo, M (Melokuhle)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament 2024 KZN Schools District Selections				Tournament 2024 SALGA KZN DSAC Games
		date 2024-09-14	rnd 4	type Standard	result 1	date 2024-12-06	rnd 2	type Standard	result 1
		Opponent Mathonsi, A (Andile)				Opponent Mnqondo, M (Mpumelelo)
2	2	Tournament 2023 KZN Winter Schools Selections				Tournament 2023 KZN Winter Schools Selections
		date 2023-06-24	rnd 2	type Rapid	result 1	date 2023-06-24	rnd 3	type Rapid	result 1
		Opponent Ho, R (Ryan)				Opponent Khumalo, M (Melokuhle)
3	1	Tournament 2024 SALGA KZN DSAC Games				Tournament 2024 SALGA KZN DSAC Games
		date 2024-12-07	rnd 5	type Standard	result 1	date 2024-12-07	rnd 5	type Standard	result 1
		Opponent Mbatha, N (Ntobeko)				Opponent Mbatha, N (Ntobeko)

#	Games	Start				End
1	4	Tournament 2024 KZN Schools District Selections				Tournament 2024 SALGA KZN DSAC Games
		date 2024-09-14	rnd 4	type Standard	result 1	date 2024-12-06	rnd 2	type Standard	result 1
		Opponent Mathonsi, A (Andile)				Opponent Mnqondo, M (Mpumelelo)
2	1	Tournament 2024 SALGA KZN DSAC Games				Tournament 2024 SALGA KZN DSAC Games
		date 2024-12-07	rnd 5	type Standard	result 1	date 2024-12-07	rnd 5	type Standard	result 1
		Opponent Mbatha, N (Ntobeko)				Opponent Mbatha, N (Ntobeko)
3	1	Tournament 2024 KZN Schools District Selections				Tournament 2024 KZN Schools District Selections
		date 2024-09-14	rnd 2	type Standard	result 1	date 2024-09-14	rnd 2	type Standard	result 1
		Opponent Mbatha, B (Bayanda)				Opponent Mbatha, B (Bayanda)

#	Games	Start				End
1	2	Tournament 2023 KZN Winter Schools Selections				Tournament 2023 KZN Winter Schools Selections
		date 2023-06-24	rnd 2	type Rapid	result 1	date 2023-06-24	rnd 3	type Rapid	result 1
		Opponent Ho, R (Ryan)				Opponent Khumalo, M (Melokuhle)
2	1	Tournament 2023 KZN Winter Schools Selections				Tournament 2023 KZN Winter Schools Selections
		date 2023-06-24	rnd 5	type Rapid	result 1	date 2023-06-24	rnd 5	type Rapid	result 1
		Opponent Dlamini, N (Ntandoyenkosi)				Opponent Dlamini, N (Ntandoyenkosi)

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	Sukazi ,S (Sifundo)	3	2	141.7	0	0	0	3	2	141.7	0	0	0
1	Sukazi ,S (Sifundo)	3	1233.9	1375.6	0	0	0	3	1255.2	1375.6	0	0	0
2	Sibiya ,S (Sbongakonke)	3	3	425	0	0	0	3	3	425	0	0	0
2	Sibiya ,S (Sbongakonke)	3	1216.8	1641.8	0	0	0	3	1226.2	1641.8	0	0	0
3	Kazadi ,E (Elisha)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Kazadi ,E (Elisha)	2	1587.3	1162.3	2	1583.1	1162.3	0	0	0	0	0	0
4	Memela ,S (Sphelele)	2	2	425	0	0	0	2	2	425	0	0	0
4	Memela ,S (Sphelele)	2	1233.7	1658.7	0	0	0	2	1262.2	1658.7	0	0	0
5	Nxumalo ,S (Sibusiso)	2	2	425	0	0	0	2	2	425	0	0	0
5	Nxumalo ,S (Sibusiso)	2	1249.2	1674.2	0	0	0	2	1282.9	1674.2	0	0	0
6	Mtshali ,S (Siphosethu)	2	2	425	0	0	0	2	2	425	0	0	0
6	Mtshali ,S (Siphosethu)	2	1226.7	1651.7	0	0	0	2	1241.8	1651.7	0	0	0
7	Mpanza ,M (Masimbonge)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Mpanza ,M (Masimbonge)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
8	Muzanenhamo ,Y (Yamkela)	1	1	425	1	1	425	0	0	0	0	0	0
8	Muzanenhamo ,Y (Yamkela)	1	1241.6	1666.6	1	1240.5	1666.6	0	0	0	0	0	0
9	Sunder ,K (Kiyaan)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
9	Sunder ,K (Kiyaan)	1	1419.2	1419.2	1	1371	1419.2	0	0	0	0	0	0
10	Mbatha ,B (Bayanda)	1	1	425	1	1	425	0	0	0	0	0	0
10	Mbatha ,B (Bayanda)	1	1200	1625	1	1200	1625	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Sibhema, O (Owethu)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms