Chess South Africa Ratings Database

PLAYER PAGE

Personal

Sibiya, N (Nombulelo)

Chess SA id

2130139355

FIDE id

Date of birth

2013-01-05 (U14)

Gender

Female

Region

Lejweleputswa (FLW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-04

Personal details last changed

1900-01-01

Junior GPX Games

27.8

Junior GPX Points

1224

Item	Main	Standard	Rapid	Blitz
Rating	1310.6	1293.3	1251.8	1200
Raw rating	1310.6	1293.3	1251.8	1200
Weighted rating	1277	1284.1	1204.1	1200
Weighted performance	1252.6	1188.8	0	0
Floor	810.6	806.5	751.8	700
K-factor	36	36	36	36
Min/Max rating change allowed	141.6	145.2	154	165.8
Highest rating	1310.6 2025-11-01	1307.3 2024-09-01	1251.8 2025-11-01	1200 2018-10-01
Highest raw rating	1310.6 2025-11-01	1306.5 2024-10-01	1251.8 2025-11-01	1200 2024-03-01
Highest weighted rating	1277 2025-11-01	1278.5 2025-09-01	1204.1 2025-11-01	1200 2018-10-01
Highest weighted performance	1307.9 2024-09-01	1307.3 2024-09-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1310.6	1293.3	1251.8	1200
Analysis
Rating	1310.6	1293.3	1251.8	1200
Raw rating	1310.6	1293.3	1251.8	1200
Weighted rating	1277	1284.1	1204.1
Weighted performance	1252.6	1188.8	0
K-factor	36	36	36	36
Floor	810.6	806.5	751.8	700
Max/Min rating change allowed	141.6	145.2	154	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	1310.6	1293.3	1251.8	1200
New weighted rating	1281.2	1286.4	1208.1	1200
New weighted performance	1245.1	1181.5	0	0
Temp new rating	1310.6	1293.3	1251.8	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1310.6	1293.3	1251.8	1200
New K-factor	36	36	36	36
New floor	810.6	806.5	751.8	700

Item	Main	Standard	Rapid
	0	0	0
	30	25	5
	15	15	0
	5	5	0
	5	5	0
	0	0	0
History	55	50	5

Games since
	Main 45	Standard 40		Rapid 5		Blitz 0
Gender	Female
Age group	U14
Region	Lejweleputswa (FLW)
Province	Free State (FS)
Main
	RSA		Province		Region
Overall	3161		52		11
Female	644		8		1
U14	589		7		1
U14 Female	157		3		1
Standard
	RSA		Province		Region
Overall	3243		46		17
Female	667		9		3
U14	608		9		3
U14 Female	168		4		2
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-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	30	17	56.67	56.7	1241.8	1298.5
Standard	25	13	52	17	1247.6	1264.6
Rapid	5	4	80	255	1212.7	1467.7
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	55	32.5	59.09	77.3	1226.3	1303.6
Standard	50	28.5	57	59.5	1227.7	1287.2
Rapid	5	4	80	255	1212.7	1467.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1310.6	1293.3	1251.8	1200
2025-09-30	1286.9	1293.3	1200	1200
2025-09-01	1286.9	1293.3	1200	1200
2025-08-01	1265.9	1275	1200	1200
2025-07-01	1263.9	1272.7	1200	1200
2025-06-01	1261.4	1269.2	1200	1200
2025-05-01	1296.4	1304.8	1200	1200
2025-04-01	1291	1300.5	1200	1200
2025-03-01	1291	1300.5	1200	1200
2025-02-01	1293.7	1306.5	1200	1200
2025-01-01	1293.7	1306.5	1200	1200
2024-12-01	1293.7	1306.5	1200	1200
2024-11-01	1293.7	1306.5	1200	1200
2024-10-01	1293.7	1306.5	1200	1200
2024-09-01	1260.4	1273.4	1200	1200
2024-08-01	1260.4	1273.4	1200	1200
2024-07-01	1260.4	1273.4	1200	1200
2024-09-01	1260.4	1273.4	1200	1200
2024-05-01	1208.4	1210.8	1200	1200
2024-04-01	1185.9	1184.4	1200	1200
2024-03-01	1185.9	1184.4	1200	1200
2024-02-01	1185.9	1184.4	1200	1200
2024-01-01	1185.9	1184.4	1200	1200
2023-12-01	1185.9	1184.4	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	2025 Lejweleputswa Closed Chess Chamionship (C)	2025-09-04	2025-09-04	Rapid	Lejweleputswa (FLW)	5	5	4	Yes	Analysis
2	Free State Closed 2025 (U14 Girls)	2025-08-14	2025-08-15	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
3	Spartan Bishops Championships Maidens 2025 (Championship)	2025-05-23	2025-05-25	Standard	Frances Baard (NCF)	5	5	1	Yes	Analysis
4	Lejweleputswa Chess 4th Qualifying Swiss Open Tournament 2025 (B)	2025-04-12	2025-04-12	Standard	Lejweleputswa (FLW)	5	5	3	Yes	Analysis
5	Lejweleputswa Chess 3rd Qualifying Swiss Open Tournament 2025 (U14)	2025-03-29	2025-03-29	Standard	Lejweleputswa (FLW)	5	5	3	Yes	Analysis
6	HTS Welkom Open Chess Tournament 2025 (C)	2025-02-22	2025-02-22	Standard	Lejweleputswa (FLW)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Lejweleputswa Closed Chess Chamionship (C)	2025-09-04	2025-09-04	Rapid	Lejweleputswa (FLW)	5	5	4	Yes	Analysis
2	Free State Closed 2025 (U14 Girls)	2025-08-14	2025-08-15	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
3	Spartan Bishops Championships Maidens 2025 (Championship)	2025-05-23	2025-05-25	Standard	Frances Baard (NCF)	5	5	1	Yes	Analysis
4	Lejweleputswa Chess 4th Qualifying Swiss Open Tournament 2025 (B)	2025-04-12	2025-04-12	Standard	Lejweleputswa (FLW)	5	5	3	Yes	Analysis
5	Lejweleputswa Chess 3rd Qualifying Swiss Open Tournament 2025 (U14)	2025-03-29	2025-03-29	Standard	Lejweleputswa (FLW)	5	5	3	Yes	Analysis
6	HTS Welkom Open Chess Tournament 2025 (C)	2025-02-22	2025-02-22	Standard	Lejweleputswa (FLW)	5	5	3	Yes	Analysis
7	Lejweleputswa Closed Chess Championships 2024 (U12)	2024-09-21	2024-09-21	Standard	Lejweleputswa (FLW)	5	5	4	Yes	Analysis
8	Lejweleputswa 4th Qualifying Tournament 2024 (U12)	2024-05-11	2024-05-11	Standard	Lejweleputswa (FLW)	5	5	4	Yes	Analysis
9	Lejweleputswa 3rd Qualifieng Tournament 2024 (U12)	2024-04-20	2024-04-20	Standard	Lejweleputswa (FLW)	5	5	3	Yes	Analysis
10	Lejweleputswa 4th Qualifying Tournament 2023 (U12)	2023-05-26	2023-05-26	Standard	Lejweleputswa (FLW)	5	5	3	Yes	Analysis
11	Lejweleputswa 2nd Qualifieng Tournament 2022 (E)	2022-03-19	2022-03-19	Standard	Lejweleputswa (FLW)	5	5	1.5	Yes	Analysis

#	Games	Start				End
1	6	Tournament HTS Welkom Open Chess Tournament 2025				Tournament Lejweleputswa Chess 3rd Qualifying Swiss Open Tournament 2025
		date 2025-02-22	rnd 3	type Standard	result 1	date 2025-03-29	rnd 3	type Standard	result 1
		Opponent Sithole, E (Ellen)				Opponent Mokhathi, O (Oratile)
2	4	Tournament Lejweleputswa Closed Chess Championships 2024				Tournament Lejweleputswa Closed Chess Championships 2024
		date 2024-09-21	rnd 2	type Standard	result 1	date 2024-09-21	rnd 5	type Standard	result 1
		Opponent Montsho, O (Ogorogile)				Opponent Morwe, M (Moalahi)
3	4	Tournament Lejweleputswa 4th Qualifying Tournament 2024				Tournament Lejweleputswa 4th Qualifying Tournament 2024
		date 2024-05-11	rnd 2	type Standard	result 1	date 2024-05-11	rnd 5	type Standard	result 1
		Opponent Molefi, K (Kamohelo)				Opponent Mlangeni, P (Precious)

#	Games	Start				End
1	6	Tournament HTS Welkom Open Chess Tournament 2025				Tournament Lejweleputswa Chess 3rd Qualifying Swiss Open Tournament 2025
		date 2025-02-22	rnd 3	type Standard	result 1	date 2025-03-29	rnd 3	type Standard	result 1
		Opponent Sithole, E (Ellen)				Opponent Mokhathi, O (Oratile)
2	4	Tournament Lejweleputswa Closed Chess Championships 2024				Tournament Lejweleputswa Closed Chess Championships 2024
		date 2024-09-21	rnd 2	type Standard	result 1	date 2024-09-21	rnd 5	type Standard	result 1
		Opponent Montsho, O (Ogorogile)				Opponent Morwe, M (Moalahi)
3	4	Tournament Lejweleputswa 4th Qualifying Tournament 2024				Tournament Lejweleputswa 4th Qualifying Tournament 2024
		date 2024-05-11	rnd 2	type Standard	result 1	date 2024-05-11	rnd 5	type Standard	result 1
		Opponent Molefi, K (Kamohelo)				Opponent Mlangeni, P (Precious)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament HTS Welkom Open Chess Tournament 2025				Tournament Lejweleputswa Chess 3rd Qualifying Swiss Open Tournament 2025
		date 2025-02-22	rnd 3	type Standard	result 1	date 2025-03-29	rnd 3	type Standard	result 1
		Opponent Sithole, E (Ellen)				Opponent Mokhathi, O (Oratile)
2	4	Tournament Lejweleputswa Closed Chess Championships 2024				Tournament Lejweleputswa Closed Chess Championships 2024
		date 2024-09-21	rnd 2	type Standard	result 1	date 2024-09-21	rnd 5	type Standard	result 1
		Opponent Montsho, O (Ogorogile)				Opponent Morwe, M (Moalahi)
3	4	Tournament Lejweleputswa 4th Qualifying Tournament 2024				Tournament Lejweleputswa 4th Qualifying Tournament 2024
		date 2024-05-11	rnd 2	type Standard	result 1	date 2024-05-11	rnd 5	type Standard	result 1
		Opponent Molefi, K (Kamohelo)				Opponent Mlangeni, P (Precious)

#	Games	Start				End
1	6	Tournament HTS Welkom Open Chess Tournament 2025				Tournament Lejweleputswa Chess 3rd Qualifying Swiss Open Tournament 2025
		date 2025-02-22	rnd 3	type Standard	result 1	date 2025-03-29	rnd 3	type Standard	result 1
		Opponent Sithole, E (Ellen)				Opponent Mokhathi, O (Oratile)
2	4	Tournament Lejweleputswa Closed Chess Championships 2024				Tournament Lejweleputswa Closed Chess Championships 2024
		date 2024-09-21	rnd 2	type Standard	result 1	date 2024-09-21	rnd 5	type Standard	result 1
		Opponent Montsho, O (Ogorogile)				Opponent Morwe, M (Moalahi)
3	4	Tournament Lejweleputswa 4th Qualifying Tournament 2024				Tournament Lejweleputswa 4th Qualifying Tournament 2024
		date 2024-05-11	rnd 2	type Standard	result 1	date 2024-05-11	rnd 5	type Standard	result 1
		Opponent Molefi, K (Kamohelo)				Opponent Mlangeni, P (Precious)

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	Mokhathi ,O (Oratile)	4	2.5	106.2	4	2.5	106.2	0	0	0	0	0	0
1	Mokhathi ,O (Oratile)	4	1294.1	1400.3	4	1307.4	1400.3	0	0	0	0	0	0
2	Seutloali ,B (Botshelo)	4	1	-212.5	4	1	-212.5	0	0	0	0	0	0
2	Seutloali ,B (Botshelo)	4	1343.8	1131.2	4	1348.5	1131.2	0	0	0	0	0	0
3	Mlangeni ,P (Precious)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
3	Mlangeni ,P (Precious)	3	1181.8	1323.5	3	1179.3	1323.5	0	0	0	0	0	0
4	Liebenberg ,A (Aj)	2	1	0	2	1	0	0	0	0	0	0	0
4	Liebenberg ,A (Aj)	2	1252.4	1252.4	2	1260.1	1252.4	0	0	0	0	0	0
5	Sithole ,E (Ellen)	2	2	425	2	2	425	0	0	0	0	0	0
5	Sithole ,E (Ellen)	2	1153.4	1578.4	2	1148.5	1578.4	0	0	0	0	0	0
6	Malisa ,K (Kealeboha)	2	1	0	1	1	425	1	0	-425	0	0	0
6	Malisa ,K (Kealeboha)	2	1220.7	1220.7	1	1200	1645.7	1	1200	795.7	0	0	0
7	Maseko ,L (Letlotlo)	2	2	425	1	1	425	1	1	425	0	0	0
7	Maseko ,L (Letlotlo)	2	1217.4	1642.4	1	1216	1642.4	1	1200	1642.4	0	0	0
8	Steyn ,A (Almarie)	1	1	425	1	1	425	0	0	0	0	0	0
8	Steyn ,A (Almarie)	1	1195.3	1620.3	1	1194.5	1620.3	0	0	0	0	0	0
9	Montsho ,O (Ogorogile)	1	1	425	1	1	425	0	0	0	0	0	0
9	Montsho ,O (Ogorogile)	1	1108.9	1533.9	1	1090	1533.9	0	0	0	0	0	0
10	Moloantwa ,I (Itumeleng)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Moloantwa ,I (Itumeleng)	1	1200	775	1	1200	775	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Sibiya, N (Nombulelo)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms