Chess South Africa Ratings Database

PLAYER PAGE

Personal

Nxumalo, J (Jonathan Nyiko)

Chess SA id

1090327793

FIDE id

Date of birth

2009-05-18 (U18)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-18

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1189.5	1200	1182.8	1200
Raw rating	1104.5	1200	1043.6	1200
Weighted rating	1189.5	1200	1182.8	1200
Weighted performance	0	0	0	0
Floor	699	700	699	700
K-factor	40	40	40	40
Min/Max rating change allowed	190	165.8	207.2	165.8
Highest rating	1199 2025-09-16	1199 2025-09-16	1199 2025-09-16	1199 2025-09-16
Highest raw rating	1199 2025-09-16	1199 2025-09-16	1199 2025-09-16	1199 2025-09-16
Highest weighted rating	1197 2025-09-30	0 2025-09-16	1195.1 2025-09-30	0 2025-09-16
Highest weighted performance	0 2025-09-16	0 2025-09-16	0 2025-09-16	0 2025-09-16

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-7.2	0	-11.8	0
New rating	1182.3	1200	1171	1200
Analysis
Rating	1189.5	1200	1182.8	1200
Raw rating	1104.5	1200	1043.6	1200
Weighted rating	1189.5	1200	1182.8
Weighted performance	0	0	0
K-factor	40	40	40	40
Floor	699	700	699	700
Max/Min rating change allowed	190	165.8	207.2	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	1104.5	1200	1043.6	1200
New weighted rating	1182.3	1200	1171	1200
New weighted performance	0	0	0	0
Temp new rating	1182.3	1200	1171	1200
Temp new rating +/-	-7.2	0	-11.8	0
Final new rating +/-	-7.2	0	-11.8	0
New rating	1182.3	1200	1171	1200
New K-factor	40	36	40	36
New floor	699	700	699	700

Item	Main	Rapid
	0	0
	10	10
	0	0
	0	0
	0	0
	0	0
History	10	10

Games since
	Main 10	Standard 0		Rapid 10		Blitz 0
Gender	M
Age group	U18
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
M	-1		-1		-1
U18	-1		-1		-1
U18 M	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
M	-1		-1		-1
U18	-1		-1		-1
U18 M	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
M	-1		-1		-1
U18	-1		-1		-1
U18 M	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
M	-1		-1		-1
U18	-1		-1		-1
U18 M	-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	10	1	10	-340	1207.2	867.2
Standard	0	0	0	0	0	0
Rapid	10	1	10	-340	1207.2	867.2
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	10	1	10	-340	1207.2	867.2
Standard	0	0	0	0	0	0
Rapid	10	1	10	-340	1207.2	867.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1104.5	1200	1043.6	1200
2025-09-30	1163	1200	1138.4	1200
2025-09-01	1200	1200	1200	1200
2025-08-01	1200	1200	1200	1200
2025-07-01	1200	1200	1200	1200
2025-06-01	1200	1200	1200	1200
2025-05-01	1200	1200	1200	1200
2025-04-01	1200	1200	1200	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	SACSSA Nationals 2025 (U17+U19 Boys)	2025-10-18	2025-10-18	Rapid	Ekurhuleni (GE)	6	5	0	Yes	Analysis
2	G7 Regional Chess Tournament 2025 (U19)	2025-09-13	2025-09-13	Rapid	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	SACSSA Nationals 2025 (U17+U19 Boys)	2025-10-18	2025-10-18	Rapid	Ekurhuleni (GE)	6	5	0	Yes	Analysis
2	G7 Regional Chess Tournament 2025 (U19)	2025-09-13	2025-09-13	Rapid	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis

#	Games	Start				End
1	1	Tournament G7 Regional Chess Tournament 2025				Tournament G7 Regional Chess Tournament 2025
		date 2025-09-13	rnd 1	type Rapid	result 1	date 2025-09-13	rnd 1	type Rapid	result 1
		Opponent Zikalala, L (Lwazi)				Opponent Zikalala, L (Lwazi)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament G7 Regional Chess Tournament 2025				Tournament G7 Regional Chess Tournament 2025
		date 2025-09-13	rnd 1	type Rapid	result 1	date 2025-09-13	rnd 1	type Rapid	result 1
		Opponent Zikalala, L (Lwazi)				Opponent Zikalala, L (Lwazi)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament G7 Regional Chess Tournament 2025				Tournament G7 Regional Chess Tournament 2025
		date 2025-09-13	rnd 1	type Rapid	result 1	date 2025-09-13	rnd 1	type Rapid	result 1
		Opponent Zikalala, L (Lwazi)				Opponent Zikalala, L (Lwazi)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament G7 Regional Chess Tournament 2025				Tournament G7 Regional Chess Tournament 2025
		date 2025-09-13	rnd 1	type Rapid	result 1	date 2025-09-13	rnd 1	type Rapid	result 1
		Opponent Zikalala, L (Lwazi)				Opponent Zikalala, L (Lwazi)

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	Lephadi ,O (Orefile)	2	0	-425	0	0	0	2	0	-425	0	0	0
1	Lephadi ,O (Orefile)	2	1218.4	793.4	0	0	0	2	1230.8	793.4	0	0	0
2	Zimu ,L (Lwandle)	1	0	-425	0	0	0	1	0	-425	0	0	0
2	Zimu ,L (Lwandle)	1	1200	775	0	0	0	1	1200	775	0	0	0
3	Mpapele ,B (Believe)	1	0	-425	0	0	0	1	0	-425	0	0	0
3	Mpapele ,B (Believe)	1	1200	775	0	0	0	1	1200	775	0	0	0
4	Molotsane ,R (Refilwe)	1	0	-425	0	0	0	1	0	-425	0	0	0
4	Molotsane ,R (Refilwe)	1	1200	775	0	0	0	1	1200	775	0	0	0
5	Gomez ,M (Miron)	1	0	-425	0	0	0	1	0	-425	0	0	0
5	Gomez ,M (Miron)	1	1200	775	0	0	0	1	1200	775	0	0	0
6	Zikalala ,L (Lwazi)	1	1	425	0	0	0	1	1	425	0	0	0
6	Zikalala ,L (Lwazi)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
7	Yusuf ,J (Jonathan)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Yusuf ,J (Jonathan)	1	1199	774	0	0	0	1	1199.2	774	0	0	0
8	Musi ,N (Neo)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Musi ,N (Neo)	1	1200	775	0	0	0	1	1200	775	0	0	0
9	Peter ,M (Michael)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Peter ,M (Michael)	1	1236.4	811.4	0	0	0	1	1260.2	811.4	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Nxumalo, J (Jonathan Nyiko)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms