Chess South Africa Ratings Database

PLAYER PAGE

Personal

Zange, J (Jabulani)

Chess SA id

1110318634

FIDE id

Date of birth

2011-08-02 (U16)

Gender

Male

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-18

Personal details last changed

1900-01-01

Junior GPX Games

18.5

Junior GPX Points

1082.3

Item	Main	Standard	Rapid	Blitz
Rating	1227.3	1199.8	1218.5	1200
Raw rating	1227.3	1199.3	1218.5	1200
Weighted rating	1202.6	1199.8	1201.2	1200
Weighted performance	1172.9	0	0	0
Floor	727.3	700	718.5	700
K-factor	36	36	36	36
Min/Max rating change allowed	159.5	166	161.5	165.8
Highest rating	1227.3 2025-11-01	1200 2025-04-01	1218.5 2025-11-01	1200 2025-04-01
Highest raw rating	1227.3 2025-11-01	1200 2025-04-01	1218.5 2025-11-01	1200 2025-04-01
Highest weighted rating	1202.6 2025-11-01	1200 2025-04-01	1201.2 2025-11-01	1200 2025-04-01
Highest weighted performance	1172.9 2025-11-01	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	-0	0	0
New rating	1227.3	1199.7	1218.5	1200
Analysis
Rating	1227.3	1199.8	1218.5	1200
Raw rating	1227.3	1199.3	1218.5	1200
Weighted rating	1202.6	1199.8	1201.2
Weighted performance	1172.9	0	0
K-factor	36	36	36	36
Floor	727.3	700	718.5	700
Max/Min rating change allowed	159.5	166	161.5	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	1227.3	1199.3	1218.5	1200
New weighted rating	1204.7	1199.7	1202.7	1200
New weighted performance	1165.9	0	0	0
Temp new rating	1227.3	1199.7	1218.5	1200
Temp new rating +/-	0	-0	0	0
Final new rating +/-	0	-0	0	0
New rating	1227.3	1199.7	1218.5	1200
New K-factor	36	36	36	36
New floor	727.3	700	718.5	700

Item	Main	Standard	Rapid
	0	0	0
	27	10	17
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	27	10	17

Games since
	Main 27	Standard 10		Rapid 17		Blitz 0
Gender	Male
Age group	U16
Region	Sedibeng (GSV)
Province	Gauteng (GT)
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	27	11.5	42.59	-63	1253.1	1190.2
Standard	10	4.5	45	-42.5	1235.1	1192.6
Rapid	17	7	41.18	-75	1263.7	1188.7
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	27	11.5	42.59	-63	1253.1	1190.2
Standard	10	4.5	45	-42.5	1235.1	1192.6
Rapid	17	7	41.18	-75	1263.7	1188.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1227.3	1199.3	1218.5	1200
2025-09-30	1209.6	1199.3	1202.3	1200
2025-09-01	1199.5	1199.3	1199.5	1200
2025-08-01	1199.5	1199.3	1199.5	1200
2025-07-01	1199.7	1200	1199.5	1200
2025-06-01	1199.7	1200	1199.5	1200
2025-05-01	1199.6	1200	1199.3	1200
2025-04-01	1197.1	1200	1195.3	1200
2025-03-01	1200	1200	1200	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-05-01	1200	1200	1200	1200
2024-04-01	1200	1200	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

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 Sedibeng Municipality OR Tambo Soncini Chess Finals (Boys)	2025-10-18	2025-10-18	Rapid	Sedibeng (GSV)	6	6	3	Yes	Analysis
2	2025 Emfuleni Local Municipality Soncini Chess Trials (U14 Boys)	2025-09-24	2025-09-24	Rapid	Sedibeng (GSV)	6	6	3	Yes	Analysis
3	2025 The ELM Rustervaal Community Library Chess Tournament (C)	2025-07-18	2025-07-18	Standard	Sedibeng (GSV)	5	5	2.5	Yes	Analysis
4	2025 The ELM Zone 7 Community Library Chess Tournament (C)	2025-07-11	2025-07-11	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
5	Sebokeng Chess Rapid 21 Mar 2025 (B)	2025-03-21	2025-03-21	Rapid	Sedibeng (GSV)	6	5	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Sedibeng Municipality OR Tambo Soncini Chess Finals (Boys)	2025-10-18	2025-10-18	Rapid	Sedibeng (GSV)	6	6	3	Yes	Analysis
2	2025 Emfuleni Local Municipality Soncini Chess Trials (U14 Boys)	2025-09-24	2025-09-24	Rapid	Sedibeng (GSV)	6	6	3	Yes	Analysis
3	2025 The ELM Rustervaal Community Library Chess Tournament (C)	2025-07-18	2025-07-18	Standard	Sedibeng (GSV)	5	5	2.5	Yes	Analysis
4	2025 The ELM Zone 7 Community Library Chess Tournament (C)	2025-07-11	2025-07-11	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
5	Sebokeng Chess Rapid 21 Mar 2025 (B)	2025-03-21	2025-03-21	Rapid	Sedibeng (GSV)	6	5	1	Yes	Analysis

#	Games	Start				End
1	5	Tournament 2025 Emfuleni Local Municipality Soncini Chess Trials				Tournament 2025 Sedibeng Municipality OR Tambo Soncini Chess Finals
		date 2025-09-24	rnd 5	type Rapid	result 1	date 2025-10-18	rnd 3	type Rapid	result 1
		Opponent Rikhotso, M (Mohau)				Opponent Viviers, W (Wiaan)
2	2	Tournament 2025 The ELM Rustervaal Community Library Chess Tournament				Tournament 2025 The ELM Rustervaal Community Library Chess Tournament
		date 2025-07-18	rnd 2	type Standard	result 1	date 2025-07-18	rnd 3	type Standard	result 0.5
		Opponent Jacobs, Z (Zeyandre)				Opponent Mkhwanazi, T (Thokozani)
3	1	Tournament 2025 Sedibeng Municipality OR Tambo Soncini Chess Finals				Tournament 2025 Sedibeng Municipality OR Tambo Soncini Chess Finals
		date 2025-10-18	rnd 6	type Rapid	result 0.5	date 2025-10-18	rnd 6	type Rapid	result 0.5
		Opponent Mkwanazi, N (Nkosinathi)				Opponent Mkwanazi, N (Nkosinathi)

#	Games	Start				End
1	2	Tournament 2025 The ELM Rustervaal Community Library Chess Tournament				Tournament 2025 The ELM Rustervaal Community Library Chess Tournament
		date 2025-07-18	rnd 2	type Standard	result 1	date 2025-07-18	rnd 3	type Standard	result 0.5
		Opponent Jacobs, Z (Zeyandre)				Opponent Mkhwanazi, T (Thokozani)
2	1	Tournament 2025 The ELM Rustervaal Community Library Chess Tournament				Tournament 2025 The ELM Rustervaal Community Library Chess Tournament
		date 2025-07-18	rnd 5	type Standard	result 1	date 2025-07-18	rnd 5	type Standard	result 1
		Opponent Mbelle, S (Siphosethu Neo-Entle)				Opponent Mbelle, S (Siphosethu Neo-Entle)
3	1	Tournament 2025 The ELM Zone 7 Community Library Chess Tournament				Tournament 2025 The ELM Zone 7 Community Library Chess Tournament
		date 2025-07-11	rnd 5	type Standard	result 1	date 2025-07-11	rnd 5	type Standard	result 1
		Opponent Mbelle, S (Siphosethu Neo-Entle)				Opponent Mbelle, S (Siphosethu Neo-Entle)

#	Games	Start				End
1	2	Tournament 2025 Emfuleni Local Municipality Soncini Chess Trials				Tournament 2025 Emfuleni Local Municipality Soncini Chess Trials
		date 2025-09-24	rnd 5	type Rapid	result 1	date 2025-09-24	rnd 6	type Rapid	result 1
		Opponent Rikhotso, M (Mohau)				Opponent Mofokeng, T (Tshiamo)
2	1	Tournament 2025 Emfuleni Local Municipality Soncini Chess Trials				Tournament 2025 Emfuleni Local Municipality Soncini Chess Trials
		date 2025-09-24	rnd 2	type Rapid	result 1	date 2025-09-24	rnd 2	type Rapid	result 1
		Opponent Ferreira, L (Levandre)				Opponent Ferreira, L (Levandre)
3	1	Tournament Sebokeng Chess Rapid 21 Mar 2025				Tournament Sebokeng Chess Rapid 21 Mar 2025
		date 2025-03-21	rnd 5	type Rapid	result 1	date 2025-03-21	rnd 5	type Rapid	result 1
		Opponent Lenono, I (Itumeleng)				Opponent Lenono, I (Itumeleng)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament 2025 Emfuleni Local Municipality Soncini Chess Trials				Tournament 2025 Emfuleni Local Municipality Soncini Chess Trials
		date 2025-09-24	rnd 5	type Rapid	result 1	date 2025-09-24	rnd 6	type Rapid	result 1
		Opponent Rikhotso, M (Mohau)				Opponent Mofokeng, T (Tshiamo)
2	1	Tournament 2025 Emfuleni Local Municipality Soncini Chess Trials				Tournament 2025 Emfuleni Local Municipality Soncini Chess Trials
		date 2025-09-24	rnd 2	type Rapid	result 1	date 2025-09-24	rnd 2	type Rapid	result 1
		Opponent Ferreira, L (Levandre)				Opponent Ferreira, L (Levandre)
3	1	Tournament 2025 The ELM Rustervaal Community Library Chess Tournament				Tournament 2025 The ELM Rustervaal Community Library Chess Tournament
		date 2025-07-18	rnd 5	type Standard	result 1	date 2025-07-18	rnd 5	type Standard	result 1
		Opponent Mbelle, S (Siphosethu Neo-Entle)				Opponent Mbelle, S (Siphosethu Neo-Entle)

#	Games	Start				End
1	1	Tournament 2025 The ELM Rustervaal Community Library Chess Tournament				Tournament 2025 The ELM Rustervaal Community Library Chess Tournament
		date 2025-07-18	rnd 5	type Standard	result 1	date 2025-07-18	rnd 5	type Standard	result 1
		Opponent Mbelle, S (Siphosethu Neo-Entle)				Opponent Mbelle, S (Siphosethu Neo-Entle)
2	1	Tournament 2025 The ELM Rustervaal Community Library Chess Tournament				Tournament 2025 The ELM Rustervaal Community Library Chess Tournament
		date 2025-07-18	rnd 2	type Standard	result 1	date 2025-07-18	rnd 2	type Standard	result 1
		Opponent Jacobs, Z (Zeyandre)				Opponent Jacobs, Z (Zeyandre)
3	1	Tournament 2025 The ELM Zone 7 Community Library Chess Tournament				Tournament 2025 The ELM Zone 7 Community Library Chess Tournament
		date 2025-07-11	rnd 5	type Standard	result 1	date 2025-07-11	rnd 5	type Standard	result 1
		Opponent Mbelle, S (Siphosethu Neo-Entle)				Opponent Mbelle, S (Siphosethu Neo-Entle)

#	Games	Start				End
1	2	Tournament 2025 Emfuleni Local Municipality Soncini Chess Trials				Tournament 2025 Emfuleni Local Municipality Soncini Chess Trials
		date 2025-09-24	rnd 5	type Rapid	result 1	date 2025-09-24	rnd 6	type Rapid	result 1
		Opponent Rikhotso, M (Mohau)				Opponent Mofokeng, T (Tshiamo)
2	1	Tournament 2025 Emfuleni Local Municipality Soncini Chess Trials				Tournament 2025 Emfuleni Local Municipality Soncini Chess Trials
		date 2025-09-24	rnd 2	type Rapid	result 1	date 2025-09-24	rnd 2	type Rapid	result 1
		Opponent Ferreira, L (Levandre)				Opponent Ferreira, L (Levandre)
3	1	Tournament Sebokeng Chess Rapid 21 Mar 2025				Tournament Sebokeng Chess Rapid 21 Mar 2025
		date 2025-03-21	rnd 5	type Rapid	result 1	date 2025-03-21	rnd 5	type Rapid	result 1
		Opponent Lenono, I (Itumeleng)				Opponent Lenono, I (Itumeleng)

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	Mbelle ,S (Siphosethu Neo-Entle)	2	2	425	2	2	425	0	0	0	0	0	0
1	Mbelle ,S (Siphosethu Neo-Entle)	2	1199.8	1624.8	2	1199.7	1624.8	0	0	0	0	0	0
2	Mkwanazi ,N (Nkosinathi)	2	0.5	-212.5	1	0	-425	1	0.5	0	0	0	0
2	Mkwanazi ,N (Nkosinathi)	2	1212.5	1000	1	1200	787.5	1	1204.4	1212.5	0	0	0
3	Mokele ,RB (Reabetsoe Bojothle)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Mokele ,RB (Reabetsoe Bojothle)	1	1376.6	951.6	1	1333	951.6	0	0	0	0	0	0
4	Mokoena ,M (Muziwakhe Glad Blessing)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Mokoena ,M (Muziwakhe Glad Blessing)	1	1158.2	733.2	1	1149.4	733.2	0	0	0	0	0	0
5	More ,O (Ofentse)	1	1	425	1	1	425	0	0	0	0	0	0
5	More ,O (Ofentse)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Jacobs ,Z (Zeyandre)	1	1	425	1	1	425	0	0	0	0	0	0
6	Jacobs ,Z (Zeyandre)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Mkhanazi ,M (Mthokozisi)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Mkhanazi ,M (Mthokozisi)	1	1199.8	774.8	1	1200	774.8	0	0	0	0	0	0
8	Mkhwanazi ,T (Thokozani)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
8	Mkhwanazi ,T (Thokozani)	1	1204.7	1204.7	1	1200	1204.7	0	0	0	0	0	0
9	Viviers ,W (Wiaan)	1	1	425	0	0	0	1	1	425	0	0	0
9	Viviers ,W (Wiaan)	1	1308.8	1733.8	0	0	0	1	1220.9	1733.8	0	0	0
10	Lempe ,R (Rorisang)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Lempe ,R (Rorisang)	1	1179.8	754.8	0	0	0	1	1200	754.8	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Zange, J (Jabulani)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms