Chess South Africa Ratings Database

PLAYER PAGE

Personal

Kruger, J (Johannes)

Chess SA id

1130315411

FIDE id

Date of birth

2013-07-22 (U14)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-07-19

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1292.9

Item	Main	Standard	Rapid	Blitz
Rating	1261.4	1266.2	1200	1200
Raw rating	1261.4	1266.2	1200	1200
Weighted rating	1231.7	1235.3	1200	1200
Weighted performance	1220.5	1219.9	0	0
Floor	761.4	767.7	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	151.9	150.9	165.8	165.8
Highest rating	1261.4 2025-08-01	1267.7 2025-04-01	1200 2025-03-01	1200 2025-03-01
Highest raw rating	1261.4 2025-08-01	1267.7 2025-04-01	1200 2025-03-01	1200 2025-03-01
Highest weighted rating	1220.2 2025-08-01	1223.2 2025-08-01	1200 2025-03-01	1200 2025-03-01
Highest weighted performance	1261.4 2025-08-01	1260.8 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	1261.4	1266.2	1200	1200
Analysis
Rating	1261.4	1266.2	1200	1200
Raw rating	1261.4	1266.2	1200	1200
Weighted rating	1231.7	1235.3	1200
Weighted performance	1220.5	1219.9	0
K-factor	36	36	36	36
Floor	761.4	767.7	700	700
Max/Min rating change allowed	151.9	150.9	165.8	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	1261.4	1266.2	1200	1200
New weighted rating	1235.1	1238.9	1200	1200
New weighted performance	1212.9	1212.3	0	0
Temp new rating	1261.4	1266.2	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1261.4	1266.2	1200	1200
New K-factor	36	36	36	36
New floor	761.4	767.7	700	700

Item	Main	Standard
	0	0
	24	24
	0	0
	0	0
	0	0
	0	0
History	24	24

Games since
	Main 24	Standard 24		Rapid 0		Blitz 0
Gender	Male
Age group	U14
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	24	13.5	56.25	53.1	1236	1289.1
Standard	24	13.5	56.25	53.1	1236	1289.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	24	13.5	56.25	53.1	1236	1289.1
Standard	24	13.5	56.25	53.1	1236	1289.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1261.4	1266.2	1200	1200
2025-09-30	1261.4	1266.2	1200	1200
2025-09-01	1261.4	1266.2	1200	1200
2025-08-01	1261.4	1266.2	1200	1200
2025-07-01	1247.6	1254	1200	1200
2025-06-01	1247.6	1254	1200	1200
2025-05-01	1257.4	1267.7	1200	1200
2025-04-01	1257.4	1267.7	1200	1200
2025-03-01	1207.7	1209.2	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	MCA Winter Chill Classic 2025 (Junior)	2025-07-19	2025-07-19	Standard	Johannesburg Metro (GJM)	5	4	2.5	Yes	Analysis
2	Mzansi Africa Classic 2025 (Junior)	2025-05-17	2025-05-17	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
3	MCA Summer March 2025 (Intermediate)	2025-03-08	2025-03-08	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
4	JMC Crawford Ruimsig 2025 (D)	2025-03-01	2025-03-01	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
5	MCA Welcome 2025 (Junior)	2025-02-15	2025-02-15	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	MCA Winter Chill Classic 2025 (Junior)	2025-07-19	2025-07-19	Standard	Johannesburg Metro (GJM)	5	4	2.5	Yes	Analysis
2	Mzansi Africa Classic 2025 (Junior)	2025-05-17	2025-05-17	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
3	MCA Summer March 2025 (Intermediate)	2025-03-08	2025-03-08	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
4	JMC Crawford Ruimsig 2025 (D)	2025-03-01	2025-03-01	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
5	MCA Welcome 2025 (Junior)	2025-02-15	2025-02-15	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	4	Tournament JMC Crawford Ruimsig 2025				Tournament MCA Summer March 2025
		date 2025-03-01	rnd 4	type Standard	result 1	date 2025-03-08	rnd 2	type Standard	result 1
		Opponent Modzelwana, T (Thabelo)				Opponent Moletsane, O (Oabile)
2	3	Tournament MCA Winter Chill Classic 2025				Tournament MCA Winter Chill Classic 2025
		date 2025-07-19	rnd 2	type Standard	result 1	date 2025-07-19	rnd 4	type Standard	result 0.5
		Opponent Mhlomi, A (Ahlumile)				Opponent Steyn, M (Mari-Louise)
3	3	Tournament Mzansi Africa Classic 2025				Tournament Mzansi Africa Classic 2025
		date 2025-05-17	rnd 2	type Standard	result 0.5	date 2025-05-17	rnd 4	type Standard	result 1
		Opponent Alade, E (Emmanuel)				Opponent Ramsundhar, P (Pravaal)

#	Games	Start				End
1	4	Tournament JMC Crawford Ruimsig 2025				Tournament MCA Summer March 2025
		date 2025-03-01	rnd 4	type Standard	result 1	date 2025-03-08	rnd 2	type Standard	result 1
		Opponent Modzelwana, T (Thabelo)				Opponent Moletsane, O (Oabile)
2	3	Tournament MCA Winter Chill Classic 2025				Tournament MCA Winter Chill Classic 2025
		date 2025-07-19	rnd 2	type Standard	result 1	date 2025-07-19	rnd 4	type Standard	result 0.5
		Opponent Mhlomi, A (Ahlumile)				Opponent Steyn, M (Mari-Louise)
3	3	Tournament Mzansi Africa Classic 2025				Tournament Mzansi Africa Classic 2025
		date 2025-05-17	rnd 2	type Standard	result 0.5	date 2025-05-17	rnd 4	type Standard	result 1
		Opponent Alade, E (Emmanuel)				Opponent Ramsundhar, P (Pravaal)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament JMC Crawford Ruimsig 2025				Tournament MCA Summer March 2025
		date 2025-03-01	rnd 4	type Standard	result 1	date 2025-03-08	rnd 2	type Standard	result 1
		Opponent Modzelwana, T (Thabelo)				Opponent Moletsane, O (Oabile)
2	2	Tournament MCA Winter Chill Classic 2025				Tournament MCA Winter Chill Classic 2025
		date 2025-07-19	rnd 2	type Standard	result 1	date 2025-07-19	rnd 3	type Standard	result 1
		Opponent Mhlomi, A (Ahlumile)				Opponent Surukanti, A (Arin Jay)
3	2	Tournament Mzansi Africa Classic 2025				Tournament Mzansi Africa Classic 2025
		date 2025-05-17	rnd 3	type Standard	result 1	date 2025-05-17	rnd 4	type Standard	result 1
		Opponent Vig, H (Himansh)				Opponent Ramsundhar, P (Pravaal)

#	Games	Start				End
1	4	Tournament JMC Crawford Ruimsig 2025				Tournament MCA Summer March 2025
		date 2025-03-01	rnd 4	type Standard	result 1	date 2025-03-08	rnd 2	type Standard	result 1
		Opponent Modzelwana, T (Thabelo)				Opponent Moletsane, O (Oabile)
2	2	Tournament MCA Winter Chill Classic 2025				Tournament MCA Winter Chill Classic 2025
		date 2025-07-19	rnd 2	type Standard	result 1	date 2025-07-19	rnd 3	type Standard	result 1
		Opponent Mhlomi, A (Ahlumile)				Opponent Surukanti, A (Arin Jay)
3	2	Tournament Mzansi Africa Classic 2025				Tournament Mzansi Africa Classic 2025
		date 2025-05-17	rnd 3	type Standard	result 1	date 2025-05-17	rnd 4	type Standard	result 1
		Opponent Vig, H (Himansh)				Opponent Ramsundhar, P (Pravaal)

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	Surukanti ,A (Arin Jay)	1	1	425	1	1	425	0	0	0	0	0	0
1	Surukanti ,A (Arin Jay)	1	1194.3	1619.3	1	1193.1	1619.3	0	0	0	0	0	0
2	Steyl ,J (Juan)	1	1	425	1	1	425	0	0	0	0	0	0
2	Steyl ,J (Juan)	1	1235.2	1660.2	1	1237.6	1660.2	0	0	0	0	0	0
3	Steyn ,M (Mari-Louise)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
3	Steyn ,M (Mari-Louise)	1	1292	1292	1	1284.4	1292	0	0	0	0	0	0
4	Joseph ,D (David)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Joseph ,D (David)	1	1214.9	789.9	1	1215.5	789.9	0	0	0	0	0	0
5	Lochner ,C (Calitz)	1	1	425	1	1	425	0	0	0	0	0	0
5	Lochner ,C (Calitz)	1	1245.7	1670.7	1	1242.7	1670.7	0	0	0	0	0	0
6	Zhang ,H (Harry)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Zhang ,H (Harry)	1	1198.5	773.5	1	1200	773.5	0	0	0	0	0	0
7	Moletsane ,O (Oabile)	1	1	425	1	1	425	0	0	0	0	0	0
7	Moletsane ,O (Oabile)	1	1259.3	1684.3	1	1291.2	1684.3	0	0	0	0	0	0
8	Simao ,R (Raul)	1	1	425	1	1	425	0	0	0	0	0	0
8	Simao ,R (Raul)	1	1347.8	1772.8	1	1324.4	1772.8	0	0	0	0	0	0
9	Ramsundhar ,P (Pravaal)	1	1	425	1	1	425	0	0	0	0	0	0
9	Ramsundhar ,P (Pravaal)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	WIlliams ,L (Levi)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	WIlliams ,L (Levi)	1	1200	775	1	1200	775	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Kruger, J (Johannes)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms