Chess South Africa Ratings Database

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Personal

Cumbi, S (Sibulele)

Chess SA id

1110193413

FIDE id

Date of birth

2011-04-24 (U16)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-10-26

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1163.4	1179	1155	1200
Raw rating	1163.4	1179	1155	1200
Weighted rating	1158.8	1176.6	1149.1	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	174.7	170.9	176.8	165.8
Highest rating	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1163.4	1179	1155	1200
Analysis
Rating	1163.4	1179	1155	1200
Raw rating	1163.4	1179	1155	1200
Weighted rating	1158.8	1176.6	1149.1
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	174.7	170.9	176.8	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	1163.4	1179	1155	1200
New weighted rating	1158.6	1176.5	1148.8	1200
New weighted performance	0	0	0	0
Temp new rating	1163.4	1179	1155	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1163.4	1179	1155	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	17	3	14
	0	0	0
	0	0	0
	0	0	0
History	17	3	14

Games since
	Main 17	Standard 3		Rapid 14		Blitz 0
Gender	Male
Age group	U16
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-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	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
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	17	4	23.53	-225	1261.8	1036.8
Standard	3	0	0	-425	1275.4	850.4
Rapid	14	4	28.57	-182.1	1258.9	1076.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1163.4	1179	1155	1200
2025-09-01	1163.4	1179	1155	1200
2025-08-01	1163.4	1179	1155	1200
2025-07-01	1163.4	1179	1155	1200
2025-06-01	1163.4	1179	1155	1200
2025-05-01	1163.4	1179	1155	1200
2025-04-01	1163.4	1179	1155	1200
2025-03-01	1163.4	1179	1155	1200
2025-02-01	1161.7	1177.7	1153.3	1200
2025-01-01	1124.3	1152.8	1112	1200
2024-12-01	1124.3	1152.8	1112	1200
2024-11-01	1124.3	1152.8	1112	1200
2024-10-01	1145.5	1181.6	1112	1200
2024-09-01	1145.5	1181.6	1112	1200
2024-08-01	1145.5	1181.6	1112	1200
2024-07-01	1173.7	1181.6	1175.6	1200
2024-06-01	1173.7	1181.6	1175.6	1200
2024-08-01	1179.5	1181.6	1181.6	1200
2024-04-01	1185.1	1181.6	1200	1200
2024-03-01	1185.1	1181.6	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

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	Chess Elevation Series - October 2024 (Level 2)	2024-10-25	2024-10-26	Standard	Cape Town (WCT)	5	2	0	Yes	Analysis
2	Curro Durbanville Chess Rapid Open 2024 (Intermediate)	2024-07-13	2024-07-13	Rapid	Cape Town (WCT)	6	5	0.5	Yes	Analysis
3	Cape Town Junior League Finals 2024 (U13 Open B)	2024-05-18	2024-05-18	Rapid	Cape Town (WCT)	6	4	1.5	Yes	Analysis
4	Kraaifontein Schools Rapid 2024 (Beginner Boys)	2024-04-13	2024-04-13	Rapid	Cape Town (WCT)	5	5	2	Yes	Analysis
5	CT District East Schools Chess Individuals Trails 2024 (U15 Boys)	2024-02-03	2024-02-03	Standard	Cape Town (WCT)	5	1	0	Yes	Analysis

#	Games	Start				End
1	1	Tournament Curro Durbanville Chess Rapid Open 2024				Tournament Curro Durbanville Chess Rapid Open 2024
		date 2024-07-13	rnd 4	type Rapid	result 0.5	date 2024-07-13	rnd 4	type Rapid	result 0.5
		Opponent Kirthan, V (Venya)				Opponent Kirthan, V (Venya)
2	1	Tournament Cape Town Junior League Finals 2024				Tournament Cape Town Junior League Finals 2024
		date 2024-05-18	rnd 6	type Rapid	result 0.5	date 2024-05-18	rnd 6	type Rapid	result 0.5
		Opponent Martin, S (Seth)				Opponent Martin, S (Seth)
3	1	Tournament Cape Town Junior League Finals 2024				Tournament Cape Town Junior League Finals 2024
		date 2024-05-18	rnd 4	type Rapid	result 1	date 2024-05-18	rnd 4	type Rapid	result 1
		Opponent Du Preez, Z (Zolani)				Opponent Du Preez, Z (Zolani)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Curro Durbanville Chess Rapid Open 2024				Tournament Curro Durbanville Chess Rapid Open 2024
		date 2024-07-13	rnd 4	type Rapid	result 0.5	date 2024-07-13	rnd 4	type Rapid	result 0.5
		Opponent Kirthan, V (Venya)				Opponent Kirthan, V (Venya)
2	1	Tournament Cape Town Junior League Finals 2024				Tournament Cape Town Junior League Finals 2024
		date 2024-05-18	rnd 6	type Rapid	result 0.5	date 2024-05-18	rnd 6	type Rapid	result 0.5
		Opponent Martin, S (Seth)				Opponent Martin, S (Seth)
3	1	Tournament Cape Town Junior League Finals 2024				Tournament Cape Town Junior League Finals 2024
		date 2024-05-18	rnd 4	type Rapid	result 1	date 2024-05-18	rnd 4	type Rapid	result 1
		Opponent Du Preez, Z (Zolani)				Opponent Du Preez, Z (Zolani)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Cape Town Junior League Finals 2024				Tournament Cape Town Junior League Finals 2024
		date 2024-05-18	rnd 4	type Rapid	result 1	date 2024-05-18	rnd 4	type Rapid	result 1
		Opponent Du Preez, Z (Zolani)				Opponent Du Preez, Z (Zolani)
2	1	Tournament Kraaifontein Schools Rapid 2024				Tournament Kraaifontein Schools Rapid 2024
		date 2024-04-13	rnd 3	type Rapid	result 1	date 2024-04-13	rnd 3	type Rapid	result 1
		Opponent Ngesi, V (Victor)				Opponent Ngesi, V (Victor)
3	1	Tournament Kraaifontein Schools Rapid 2024				Tournament Kraaifontein Schools Rapid 2024
		date 2024-04-13	rnd 1	type Rapid	result 1	date 2024-04-13	rnd 1	type Rapid	result 1
		Opponent Hlukanisa, K (Kamva)				Opponent Hlukanisa, K (Kamva)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Cape Town Junior League Finals 2024				Tournament Cape Town Junior League Finals 2024
		date 2024-05-18	rnd 4	type Rapid	result 1	date 2024-05-18	rnd 4	type Rapid	result 1
		Opponent Du Preez, Z (Zolani)				Opponent Du Preez, Z (Zolani)
2	1	Tournament Kraaifontein Schools Rapid 2024				Tournament Kraaifontein Schools Rapid 2024
		date 2024-04-13	rnd 3	type Rapid	result 1	date 2024-04-13	rnd 3	type Rapid	result 1
		Opponent Ngesi, V (Victor)				Opponent Ngesi, V (Victor)
3	1	Tournament Kraaifontein Schools Rapid 2024				Tournament Kraaifontein Schools Rapid 2024
		date 2024-04-13	rnd 1	type Rapid	result 1	date 2024-04-13	rnd 1	type Rapid	result 1
		Opponent Hlukanisa, K (Kamva)				Opponent Hlukanisa, K (Kamva)

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	Mboyisa ,A (Ayanda)	2	0	-425	1	0	-425	1	0	-425	0	0	0
1	Mboyisa ,A (Ayanda)	2	1192.7	767.7	1	1176.8	767.7	1	1220.4	767.7	0	0	0
2	Lin ,J (Junming)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Lin ,J (Junming)	1	1426.9	1001.9	1	1427.2	1001.9	0	0	0	0	0	0
3	Oliver ,Z (Zach)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Oliver ,Z (Zach)	1	1203.7	778.7	1	1200	778.7	0	0	0	0	0	0
4	Pieters ,E (Eli)	1	0	-425	0	0	0	1	0	-425	0	0	0
4	Pieters ,E (Eli)	1	1149.3	724.3	0	0	0	1	1181.3	724.3	0	0	0
5	Gxilishe ,B (Bunono)	1	0	-425	0	0	0	1	0	-425	0	0	0
5	Gxilishe ,B (Bunono)	1	1200	775	0	0	0	1	1200	775	0	0	0
6	Butau ,C (Claude)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Butau ,C (Claude)	1	1364.8	939.8	0	0	0	1	1255	939.8	0	0	0
7	Rossouw ,M (Matthew)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Rossouw ,M (Matthew)	1	1200	775	0	0	0	1	1200	775	0	0	0
8	Pretorius ,A (Amanda Karen)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Pretorius ,A (Amanda Karen)	1	1381.6	956.6	0	0	0	1	1303.5	956.6	0	0	0
9	Calitz ,S (Steyn)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Calitz ,S (Steyn)	1	1388.4	963.4	0	0	0	1	1433.8	963.4	0	0	0
10	Kirthan ,V (Venya)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
10	Kirthan ,V (Venya)	1	1309.4	1309.4	0	0	0	1	1155.3	1309.4	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Cumbi, S (Sibulele)

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