Chess South Africa Ratings Database

PLAYER PAGE

Personal

Kruger, J (James)

Chess SA id

1110154023

FIDE id

Date of birth

2011-02-06 (U16)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-02-15

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1193.9	1174.8	1191.7	1200
Raw rating	1193.7	1174.8	1191.7	1200
Weighted rating	1193.9	1174.3	1190.3	1200
Weighted performance	1044.3	1023.2	0	0
Floor	705.6	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	167.3	171.9	167.8	165.8
Highest rating	1207.6 2024-04-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1205.6 2024-11-01	1200 2019-12-01	1200 2019-12-01	1200 2024-02-01
Highest weighted rating	1205.6 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1207.6 2024-04-01	1200 2019-12-01	1200 2019-12-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0.6	0.1	0	0
New rating	1194.5	1174.9	1191.7	1200
Analysis
Rating	1193.9	1174.8	1191.7	1200
Raw rating	1193.7	1174.8	1191.7	1200
Weighted rating	1193.9	1174.3	1190.3
Weighted performance	1044.3	1023.2	0
K-factor	36	36	36	36
Floor	705.6	700	700	700
Max/Min rating change allowed	167.3	171.9	167.8	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	1193.7	1174.8	1191.7	1200
New weighted rating	1194.5	1174.9	1190.9	1200
New weighted performance	1037.1	1016.3	0	0
Temp new rating	1194.5	1174.9	1191.7	1200
Temp new rating +/-	0.6	0.1	0	0
Final new rating +/-	0.6	0.1	0	0
New rating	1194.5	1174.9	1191.7	1200
New K-factor	36	36	36	36
New floor	705.6	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	5	5	0
	24	17	7
	22	13	9
	0	0	0
	0	0	0
History	51	35	16

Games since
	Main 29	Standard 22		Rapid 7		Blitz 0
Gender	Male
Age group	U16
Region	Ekurhuleni (GE)
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	5	2	40	-85	1230.3	1145.3
Standard	5	2	40	-85	1230.3	1145.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	51	21	41.18	-75	1239.7	1164.7
Standard	35	14	40	-85	1233.5	1148.5
Rapid	16	7	43.75	-53.1	1253.3	1200.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1193.7	1174.8	1191.7	1200
2025-09-30	1193.7	1174.8	1191.7	1200
2025-09-01	1193.7	1174.8	1191.7	1200
2025-08-01	1193.7	1174.8	1191.7	1200
2025-07-01	1193.7	1174.8	1191.7	1200
2025-06-01	1193.7	1174.8	1191.7	1200
2025-05-01	1193.7	1174.8	1191.7	1200
2025-04-01	1193.7	1174.8	1191.7	1200
2025-03-01	1193.7	1174.8	1191.7	1200
2025-02-01	1205.6	1187.1	1191.7	1200
2025-01-01	1205.6	1187.1	1191.7	1200
2024-12-01	1205.6	1187.1	1191.7	1200
2024-11-01	1205.6	1187.1	1191.7	1200
2024-10-01	1196.3	1172.3	1191.7	1200
2024-09-01	1196.3	1172.3	1191.7	1200
2024-08-01	1196.3	1172.3	1191.7	1200
2024-07-01	1196.3	1172.3	1191.7	1200
2024-09-01	1196.3	1172.3	1191.7	1200
2024-05-01	1196.3	1172.3	1191.7	1200
2024-04-01	1166.4	1125.1	1191.7	1200
2024-03-01	1128.4	1125.1	1150.3	1200
2024-02-01	1128.4	1125.1	1150.3	1200
2024-01-01	1148.7	1146.7	1150.3	1200
2023-12-01	1148.7	1146.7	1150.3	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	Benoni High School Cluster 15Feb 2025 (U15 Boys)	2025-02-15	2025-02-15	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Benoni High School Cluster 15Feb 2025 (U15 Boys)	2025-02-15	2025-02-15	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
2	Gauteng Top Schools 2024 (U13 Open)	2024-10-04	2024-10-04	Standard	Ekurhuleni (GE)	5	4	2	Yes	Analysis
3	Westwood Open 2024 (B)	2024-04-13	2024-04-13	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
4	Ekurhuleni Open 2024 (C)	2024-04-06	2024-04-06	Standard	Ekurhuleni (GE)	5	4	2	Yes	Analysis
5	Ekurhuleni North Chess Club Open Tournament 2024 (D)	2024-03-02	2024-03-02	Rapid	Ehlanzeni (MEN)	7	7	4	Yes	Analysis
6	2024 Gauteng Inter-Region Chess Championship (U14C)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	4	1	Yes	Analysis
7	Ekurhuleni Chess Spring Tournament 2023 (D)	2023-09-23	2023-09-23	Standard	Ekurhuleni (GE)	5	3	1	Yes	Analysis
8	Primrose Rapid 2023 (Grade 5-7)	2023-06-10	2023-06-10	Rapid	Ekurhuleni (GE)	5	5	2	Yes	Analysis
9	Ekurhuleni Chess Trial 3 2023 (U14)	2023-06-17	2023-06-17	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
10	Ithembelihle Open 2023 (B)	2023-05-13	2023-05-13	Rapid	Ekurhuleni (GE)	5	4	1	Yes	Analysis
11	Ekurhuleni Trials 2 2023 (U14)	2023-04-22	2023-04-22	Standard	Ekurhuleni (GE)	5	5	1	Yes	Analysis

#	Games	Start				End
1	3	Tournament Ekurhuleni North Chess Club Open Tournament 2024				Tournament Ekurhuleni North Chess Club Open Tournament 2024
		date 2024-03-02	rnd 4	type Rapid	result 1	date 2024-03-02	rnd 6	type Rapid	result 1
		Opponent Phiri, N (Natalie)				Opponent Buthelezi, Z (Zanokuhle)
2	2	Tournament Gauteng Top Schools 2024				Tournament Benoni High School Cluster 15Feb 2025
		date 2024-10-04	rnd 4	type Standard	result 1	date 2025-02-15	rnd 1	type Standard	result 1
		Opponent Moyo, H (Honour)				Opponent Matthews, J (James)
3	2	Tournament Westwood Open 2024				Tournament Westwood Open 2024
		date 2024-04-13	rnd 4	type Standard	result 1	date 2024-04-13	rnd 5	type Standard	result 1
		Opponent Kleynhans, C (Christine)				Opponent Marais, L (Lodewyk)

#	Games	Start				End
1	2	Tournament Gauteng Top Schools 2024				Tournament Benoni High School Cluster 15Feb 2025
		date 2024-10-04	rnd 4	type Standard	result 1	date 2025-02-15	rnd 1	type Standard	result 1
		Opponent Moyo, H (Honour)				Opponent Matthews, J (James)
2	2	Tournament Westwood Open 2024				Tournament Westwood Open 2024
		date 2024-04-13	rnd 4	type Standard	result 1	date 2024-04-13	rnd 5	type Standard	result 1
		Opponent Kleynhans, C (Christine)				Opponent Marais, L (Lodewyk)
3	2	Tournament Ekurhuleni Open 2024				Tournament Ekurhuleni Open 2024
		date 2024-04-06	rnd 4	type Standard	result 1	date 2024-04-06	rnd 5	type Standard	result 1
		Opponent Van Der Merwe, A (Adele)				Opponent Potgieter, L (Lienke)

#	Games	Start				End
1	3	Tournament Ekurhuleni North Chess Club Open Tournament 2024				Tournament Ekurhuleni North Chess Club Open Tournament 2024
		date 2024-03-02	rnd 4	type Rapid	result 1	date 2024-03-02	rnd 6	type Rapid	result 1
		Opponent Phiri, N (Natalie)				Opponent Buthelezi, Z (Zanokuhle)
2	2	Tournament Primrose Rapid 2023				Tournament Primrose Rapid 2023
		date 2023-06-10	rnd 1	type Rapid	result 1	date 2023-06-10	rnd 2	type Rapid	result 1
		Opponent Mofokeng, N (Neo Nkululeko)				Opponent Mashigo, W (Wayne)
3	1	Tournament Ekurhuleni North Chess Club Open Tournament 2024				Tournament Ekurhuleni North Chess Club Open Tournament 2024
		date 2024-03-02	rnd 2	type Rapid	result 1	date 2024-03-02	rnd 2	type Rapid	result 1
		Opponent Farkas, C (Coby)				Opponent Farkas, C (Coby)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Ekurhuleni North Chess Club Open Tournament 2024				Tournament Ekurhuleni North Chess Club Open Tournament 2024
		date 2024-03-02	rnd 4	type Rapid	result 1	date 2024-03-02	rnd 6	type Rapid	result 1
		Opponent Phiri, N (Natalie)				Opponent Buthelezi, Z (Zanokuhle)
2	2	Tournament Gauteng Top Schools 2024				Tournament Benoni High School Cluster 15Feb 2025
		date 2024-10-04	rnd 4	type Standard	result 1	date 2025-02-15	rnd 1	type Standard	result 1
		Opponent Moyo, H (Honour)				Opponent Matthews, J (James)
3	2	Tournament Westwood Open 2024				Tournament Westwood Open 2024
		date 2024-04-13	rnd 4	type Standard	result 1	date 2024-04-13	rnd 5	type Standard	result 1
		Opponent Kleynhans, C (Christine)				Opponent Marais, L (Lodewyk)

#	Games	Start				End
1	2	Tournament Gauteng Top Schools 2024				Tournament Benoni High School Cluster 15Feb 2025
		date 2024-10-04	rnd 4	type Standard	result 1	date 2025-02-15	rnd 1	type Standard	result 1
		Opponent Moyo, H (Honour)				Opponent Matthews, J (James)
2	2	Tournament Westwood Open 2024				Tournament Westwood Open 2024
		date 2024-04-13	rnd 4	type Standard	result 1	date 2024-04-13	rnd 5	type Standard	result 1
		Opponent Kleynhans, C (Christine)				Opponent Marais, L (Lodewyk)
3	2	Tournament Ekurhuleni Open 2024				Tournament Ekurhuleni Open 2024
		date 2024-04-06	rnd 4	type Standard	result 1	date 2024-04-06	rnd 5	type Standard	result 1
		Opponent Van Der Merwe, A (Adele)				Opponent Potgieter, L (Lienke)

#	Games	Start				End
1	3	Tournament Ekurhuleni North Chess Club Open Tournament 2024				Tournament Ekurhuleni North Chess Club Open Tournament 2024
		date 2024-03-02	rnd 4	type Rapid	result 1	date 2024-03-02	rnd 6	type Rapid	result 1
		Opponent Phiri, N (Natalie)				Opponent Buthelezi, Z (Zanokuhle)
2	2	Tournament Primrose Rapid 2023				Tournament Primrose Rapid 2023
		date 2023-06-10	rnd 1	type Rapid	result 1	date 2023-06-10	rnd 2	type Rapid	result 1
		Opponent Mofokeng, N (Neo Nkululeko)				Opponent Mashigo, W (Wayne)
3	1	Tournament Ekurhuleni North Chess Club Open Tournament 2024				Tournament Ekurhuleni North Chess Club Open Tournament 2024
		date 2024-03-02	rnd 2	type Rapid	result 1	date 2024-03-02	rnd 2	type Rapid	result 1
		Opponent Farkas, C (Coby)				Opponent Farkas, C (Coby)

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	De Vasconcelos ,T (Tiaana)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	De Vasconcelos ,T (Tiaana)	1	1453.7	1028.7	1	1449.9	1028.7	0	0	0	0	0	0
2	Rademeyer ,F (Frederick Paul)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Rademeyer ,F (Frederick Paul)	1	1407	982	1	1406.1	982	0	0	0	0	0	0
3	Van Der Merwe ,A (Adele)	1	1	425	1	1	425	0	0	0	0	0	0
3	Van Der Merwe ,A (Adele)	1	1142.5	1567.5	1	1143.2	1567.5	0	0	0	0	0	0
4	Mahlogonolo ,M (Matabane)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Mahlogonolo ,M (Matabane)	1	1200	775	1	1200	775	0	0	0	0	0	0
5	Singh ,A (Anamika)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Singh ,A (Anamika)	1	1242.5	817.5	1	1243.3	817.5	0	0	0	0	0	0
6	Chisango ,T (Trafford)	1	1	425	1	1	425	0	0	0	0	0	0
6	Chisango ,T (Trafford)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Theron ,C (Clea)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Theron ,C (Clea)	1	1220.5	795.5	1	1172.2	795.5	0	0	0	0	0	0
8	Marais ,L (Lodewyk)	1	1	425	1	1	425	0	0	0	0	0	0
8	Marais ,L (Lodewyk)	1	1212.5	1637.5	1	1200	1637.5	0	0	0	0	0	0
9	Pieterse ,JF (Jurgens Francois)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Pieterse ,JF (Jurgens Francois)	1	1360.2	935.2	1	1356.6	935.2	0	0	0	0	0	0
10	Swanevelder ,K (Krystel)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Swanevelder ,K (Krystel)	1	1331.4	906.4	1	1332.1	906.4	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

Kruger, J (James)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms