Chess South Africa Ratings Database

PLAYER PAGE

Personal

Wijnbeek, J (Johannes)

Chess SA id

1080162021

FIDE id

Date of birth

2008-02-07 (U18)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-16

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1187.1	1180.2	1193	1237.4
Raw rating	1174.9	1164.3	1193	1237.4
Weighted rating	1187.1	1180.2	1191.9	1237.4
Weighted performance	1015.7	1025.2	0	0
Floor	717	708.6	700	737.4
K-factor	36	36	36	36
Min/Max rating change allowed	171.8	174.5	167.5	157.2
Highest rating	1228.7 2023-09-01	1258 2024-05-01	1200 2018-10-01	1308.4 2023-09-01
Highest raw rating	1217 2024-06-01	1208.6 2024-06-01	1200 2024-03-01	1237.4 2024-03-01
Highest weighted rating	1217 2024-07-01	1208.6 2024-09-01	1200 2018-10-01	1237.4 2025-08-01
Highest weighted performance	1228.7 2023-09-01	1258 2024-05-01	1200 2024-03-01	1308.4 2023-09-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-1.5	-1.7	0	0
New rating	1185.7	1178.5	1193	1237.4
Analysis
Rating	1187.1	1180.2	1193	1237.4
Raw rating	1174.9	1164.3	1193	1237.4
Weighted rating	1187.1	1180.2	1191.9
Weighted performance	1015.7	1025.2	0
K-factor	36	36	36	36
Floor	717	708.6	700	737.4
Max/Min rating change allowed	171.8	174.5	167.5	157.2
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	1174.9	1164.3	1193	1237.4
New weighted rating	1185.7	1178.5	1191.9	1237.4
New weighted performance	1009.2	1018.7	0	0
Temp new rating	1185.7	1178.5	1193	1237.4
Temp new rating +/-	-1.5	-1.7	0	0
Final new rating +/-	-1.5	-1.7	0	0
New rating	1185.7	1178.5	1193	1237.4
New K-factor	36	36	36	36
New floor	717	708.6	700	737.4

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	9	9	0	0
	18	14	4	0
	8	0	0	8
	0	0	0	0
	0	0	0	0
History	35	23	4	8

Games since
	Main 27	Standard 23		Rapid 4		Blitz 0
Gender	Male
Age group	U18
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	9	3	33.33	-141.7	1276.5	1134.8
Standard	9	3	33.33	-141.7	1276.5	1134.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	35	15	42.86	-60.7	1231.6	1170.9
Standard	23	7.5	32.61	-147.8	1276.1	1128.3
Rapid	4	2	50	0	1041.3	1041.3
Blitz	8	5.5	68.75	159.4	1198.8	1358.2

Date	Main	Standard	Rapid	Blitz
2025-11-01	1174.9	1164.3	1193	1237.4
2025-09-30	1174.9	1164.3	1193	1237.4
2025-09-01	1174.9	1164.3	1193	1237.4
2025-08-01	1198.8	1192.9	1193	1237.4
2025-07-01	1198.8	1192.9	1193	1237.4
2025-06-01	1193.4	1186.8	1193	1237.4
2025-05-01	1193.4	1186.8	1193	1237.4
2025-04-01	1193.4	1186.8	1193	1237.4
2025-03-01	1193.4	1186.8	1193	1237.4
2025-02-01	1191.4	1185	1192.6	1237.4
2025-01-01	1158.7	1153.5	1184.9	1237.4
2024-12-01	1158.7	1153.5	1184.9	1237.4
2024-11-01	1158.7	1153.5	1184.9	1237.4
2024-10-01	1158.7	1153.5	1184.9	1237.4
2024-09-01	1202.3	1208.6	1184.9	1237.4
2024-08-01	1202.3	1208.6	1184.9	1237.4
2024-07-01	1217	1208.6	1200	1237.4
2024-09-01	1217	1208.6	1200	1237.4
2024-05-01	1213.4	1200	1200	1237.4
2024-04-01	1213.4	1200	1200	1237.4
2024-03-01	1213.4	1200	1200	1237.4
2024-02-01	1213.4	1200	1200	1237.4
2024-01-01	1213.4	1200	1200	1237.4
2023-12-01	1213.4	1200	1200	1237.4

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	D6 High School Teams Final 2025 (U17)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	5	5	1	Yes	Analysis
2	D6 HS Teams 2025 (U17)	2025-05-31	2025-05-31	Standard	Ekurhuleni (GE)	5	4	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	D6 High School Teams Final 2025 (U17)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	5	5	1	Yes	Analysis
2	D6 HS Teams 2025 (U17)	2025-05-31	2025-05-31	Standard	Ekurhuleni (GE)	5	4	2	Yes	Analysis
3	2024 D6 Team Finals (U19)	2024-08-02	2024-08-02	Standard	Ekurhuleni (GE)	5	5	1.5	Yes	Analysis
4	Gauteng Schools Individuals Finals 2024 (U18 Boys)	2024-08-17	2024-08-17	Standard	Ekurhuleni (GE)	5	5	1	Yes	Analysis
5	2024 D6 Teams (Pool C U19)	2024-07-20	2024-07-20	Rapid	Ekurhuleni (GE)	5	4	2	Yes	Analysis
6	D6 High School Individual Final 2024 (U18 Boys)	2024-05-18	2024-05-18	Standard	Ekurhuleni (GE)	5	4	2	Yes	Analysis
7	Helpmekaar Kollege Blitz Chess Invitational Sep 2023	2023-09-16	2023-09-16	Blitz	Johannesburg Metro (GJM)	9	8	5.5	Yes	Analysis

#	Games	Start				End
1	2	Tournament 2024 D6 Teams				Tournament 2024 D6 Teams
		date 2024-07-20	rnd 1	type Rapid	result 1	date 2024-07-20	rnd 2	type Rapid	result 1
		Opponent Onalina, M (Mabuwa)				Opponent De Wee, JM (Jared)
2	2	Tournament D6 High School Individual Final 2024				Tournament D6 High School Individual Final 2024
		date 2024-05-18	rnd 3	type Standard	result 1	date 2024-05-18	rnd 4	type Standard	result 1
		Opponent Ranchhod, B (Bhavesh)				Opponent Masethe, T (Tshenolo)
3	2	Tournament Helpmekaar Kollege Blitz Chess Invitational Sep 2023				Tournament Helpmekaar Kollege Blitz Chess Invitational Sep 2023
		date 2023-09-16	rnd 8	type Blitz	result 1	date 2023-09-16	rnd 9	type Blitz	result 1
		Opponent Kooy, B (Bertu)				Opponent Sotheni, L (Lusiba)

#	Games	Start				End
1	2	Tournament D6 High School Individual Final 2024				Tournament D6 High School Individual Final 2024
		date 2024-05-18	rnd 3	type Standard	result 1	date 2024-05-18	rnd 4	type Standard	result 1
		Opponent Ranchhod, B (Bhavesh)				Opponent Masethe, T (Tshenolo)
2	1	Tournament D6 High School Teams Final 2025				Tournament D6 High School Teams Final 2025
		date 2025-08-16	rnd 2	type Standard	result 1	date 2025-08-16	rnd 2	type Standard	result 1
		Opponent Malungana, D (Dzunisani)				Opponent Malungana, D (Dzunisani)
3	1	Tournament D6 HS Teams 2025				Tournament D6 HS Teams 2025
		date 2025-05-31	rnd 5	type Standard	result 1	date 2025-05-31	rnd 5	type Standard	result 1
		Opponent De Jesus, CL (Chandler Luiz)				Opponent De Jesus, CL (Chandler Luiz)

#	Games	Start				End
1	2	Tournament 2024 D6 Teams				Tournament 2024 D6 Teams
		date 2024-07-20	rnd 1	type Rapid	result 1	date 2024-07-20	rnd 2	type Rapid	result 1
		Opponent Onalina, M (Mabuwa)				Opponent De Wee, JM (Jared)

#	Games	Start				End
1	2	Tournament Helpmekaar Kollege Blitz Chess Invitational Sep 2023				Tournament Helpmekaar Kollege Blitz Chess Invitational Sep 2023
		date 2023-09-16	rnd 8	type Blitz	result 1	date 2023-09-16	rnd 9	type Blitz	result 1
		Opponent Kooy, B (Bertu)				Opponent Sotheni, L (Lusiba)
2	2	Tournament Helpmekaar Kollege Blitz Chess Invitational Sep 2023				Tournament Helpmekaar Kollege Blitz Chess Invitational Sep 2023
		date 2023-09-16	rnd 5	type Blitz	result 1	date 2023-09-16	rnd 6	type Blitz	result 0.5
		Opponent Kleynhans, R (Ruan)				Opponent Coulter, J (Justine)
3	2	Tournament Helpmekaar Kollege Blitz Chess Invitational Sep 2023				Tournament Helpmekaar Kollege Blitz Chess Invitational Sep 2023
		date 2023-09-16	rnd 1	type Blitz	result 1	date 2023-09-16	rnd 2	type Blitz	result 1
		Opponent Akaloo, D (Deya)				Opponent Vallabh, K (Kavi)

#	Games	Start				End
1	2	Tournament 2024 D6 Teams				Tournament 2024 D6 Teams
		date 2024-07-20	rnd 1	type Rapid	result 1	date 2024-07-20	rnd 2	type Rapid	result 1
		Opponent Onalina, M (Mabuwa)				Opponent De Wee, JM (Jared)
2	2	Tournament D6 High School Individual Final 2024				Tournament D6 High School Individual Final 2024
		date 2024-05-18	rnd 3	type Standard	result 1	date 2024-05-18	rnd 4	type Standard	result 1
		Opponent Ranchhod, B (Bhavesh)				Opponent Masethe, T (Tshenolo)
3	2	Tournament Helpmekaar Kollege Blitz Chess Invitational Sep 2023				Tournament Helpmekaar Kollege Blitz Chess Invitational Sep 2023
		date 2023-09-16	rnd 8	type Blitz	result 1	date 2023-09-16	rnd 9	type Blitz	result 1
		Opponent Kooy, B (Bertu)				Opponent Sotheni, L (Lusiba)

#	Games	Start				End
1	2	Tournament D6 High School Individual Final 2024				Tournament D6 High School Individual Final 2024
		date 2024-05-18	rnd 3	type Standard	result 1	date 2024-05-18	rnd 4	type Standard	result 1
		Opponent Ranchhod, B (Bhavesh)				Opponent Masethe, T (Tshenolo)
2	1	Tournament D6 High School Teams Final 2025				Tournament D6 High School Teams Final 2025
		date 2025-08-16	rnd 2	type Standard	result 1	date 2025-08-16	rnd 2	type Standard	result 1
		Opponent Malungana, D (Dzunisani)				Opponent Malungana, D (Dzunisani)
3	1	Tournament D6 HS Teams 2025				Tournament D6 HS Teams 2025
		date 2025-05-31	rnd 5	type Standard	result 1	date 2025-05-31	rnd 5	type Standard	result 1
		Opponent De Jesus, CL (Chandler Luiz)				Opponent De Jesus, CL (Chandler Luiz)

#	Games	Start				End
1	2	Tournament 2024 D6 Teams				Tournament 2024 D6 Teams
		date 2024-07-20	rnd 1	type Rapid	result 1	date 2024-07-20	rnd 2	type Rapid	result 1
		Opponent Onalina, M (Mabuwa)				Opponent De Wee, JM (Jared)

#	Games	Start				End
1	2	Tournament Helpmekaar Kollege Blitz Chess Invitational Sep 2023				Tournament Helpmekaar Kollege Blitz Chess Invitational Sep 2023
		date 2023-09-16	rnd 8	type Blitz	result 1	date 2023-09-16	rnd 9	type Blitz	result 1
		Opponent Kooy, B (Bertu)				Opponent Sotheni, L (Lusiba)
2	2	Tournament Helpmekaar Kollege Blitz Chess Invitational Sep 2023				Tournament Helpmekaar Kollege Blitz Chess Invitational Sep 2023
		date 2023-09-16	rnd 1	type Blitz	result 1	date 2023-09-16	rnd 2	type Blitz	result 1
		Opponent Akaloo, D (Deya)				Opponent Vallabh, K (Kavi)
3	1	Tournament Helpmekaar Kollege Blitz Chess Invitational Sep 2023				Tournament Helpmekaar Kollege Blitz Chess Invitational Sep 2023
		date 2023-09-16	rnd 5	type Blitz	result 1	date 2023-09-16	rnd 5	type Blitz	result 1
		Opponent Kleynhans, R (Ruan)				Opponent Kleynhans, R (Ruan)

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	Nxele ,M (Miracle)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Nxele ,M (Miracle)	2	1258.9	833.9	2	1250.2	833.9	0	0	0	0	0	0
2	Saunders ,W (Wayde)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Saunders ,W (Wayde)	1	1481.7	1056.7	1	1491.4	1056.7	0	0	0	0	0	0
3	Mabuya ,T (Thapelo Lerato)	1	1	425	1	1	425	0	0	0	0	0	0
3	Mabuya ,T (Thapelo Lerato)	1	1317.3	1742.3	1	1343.1	1742.3	0	0	0	0	0	0
4	Grootboom ,C (Chante)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Grootboom ,C (Chante)	1	1292.3	867.3	1	1289.1	867.3	0	0	0	0	0	0
5	Bezuidenhout ,A (Anru)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Bezuidenhout ,A (Anru)	1	1246	821	1	1284	821	0	0	0	0	0	0
6	De Jesus ,CL (Chandler Luiz)	1	1	425	1	1	425	0	0	0	0	0	0
6	De Jesus ,CL (Chandler Luiz)	1	1235	1660	1	1202	1660	0	0	0	0	0	0
7	Ranchhod ,B (Bhavesh)	1	1	425	1	1	425	0	0	0	0	0	0
7	Ranchhod ,B (Bhavesh)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Skosana ,G (Gomolemo)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Skosana ,G (Gomolemo)	1	1250.5	825.5	1	1260.4	825.5	0	0	0	0	0	0
9	Scheepers ,D (Divan)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
9	Scheepers ,D (Divan)	1	1192.4	1192.4	1	1186.1	1192.4	0	0	0	0	0	0
10	Mpofu ,N (Nyasha)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Mpofu ,N (Nyasha)	1	1200	775	1	1200	775	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

Wijnbeek, 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