Chess South Africa Ratings Database

PLAYER PAGE

Personal

De Villiers, J (Jean)

Chess SA id

1080153732

FIDE id

Date of birth

2008-04-19 (U20)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1256.6	1263.8	1200	1200
Raw rating	1256.6	1263.8	1200	1200
Weighted rating	1242.2	1246.4	1200	1200
Weighted performance	0	0	0	0
Floor	765.2	774.1	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	153	151.4	165.8	165.8
Highest rating	1469.4 2023-03-01	1452.9 2023-03-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1265.2 2023-10-01	1274.1 2023-10-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1265.2 2024-06-01	1274.1 2024-05-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1469.4 2023-03-01	1452.9 2023-03-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1256.6	1263.8	1200	1200
Analysis
Rating	1256.6	1263.8	1200	1200
Raw rating	1256.6	1263.8	1200	1200
Weighted rating	1242.2	1246.4	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	765.2	774.1	700	700
Max/Min rating change allowed	153	151.4	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	1256.6	1263.8	1200	1200
New weighted rating	1243.4	1247.9	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1256.6	1263.8	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1256.6	1263.8	1200	1200
New K-factor	36	36	36	36
New floor	765.2	774.1	700	700

Item	Main	Standard
	0	0
	1	1
	1	1
	15	15
	0	0
	0	0
History	17	17

Games since
	Main 2	Standard 2		Rapid 0		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	1	1	100	425	1215	1640
Standard	1	1	100	425	1215	1640
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	17	9	52.94	25	1294	1319
Standard	17	9	52.94	25	1294	1319
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1256.6	1263.8	1200	1200
2025-11-30	1256.6	1263.8	1200	1200
2025-11-01	1241.4	1245.5	1200	1200
2025-09-30	1241.4	1245.5	1200	1200
2025-09-01	1241.4	1245.5	1200	1200
2025-08-01	1241.4	1245.5	1200	1200
2025-07-01	1241.4	1245.5	1200	1200
2025-06-01	1241.4	1245.5	1200	1200
2025-05-01	1241.4	1245.5	1200	1200
2025-04-01	1241.4	1245.5	1200	1200
2025-03-01	1241.4	1245.5	1200	1200
2025-02-01	1241.3	1245.4	1200	1200
2025-01-01	1233.9	1236.3	1200	1200
2024-12-01	1233.9	1236.3	1200	1200
2024-11-01	1233.9	1236.3	1200	1200
2024-10-01	1233.9	1236.3	1200	1200
2024-09-01	1233.9	1236.3	1200	1200
2024-11-01	1233.9	1236.3	1200	1200
2024-07-01	1233.9	1236.3	1200	1200
2024-06-01	1233.9	1236.3	1200	1200
2024-05-01	1233.9	1236.3	1200	1200
2024-04-01	1251.8	1258.3	1200	1200
2024-03-01	1251.8	1258.3	1200	1200
2024-02-01	1251.8	1258.3	1200	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	JCC St Davids Marist Schools League 2025 (A)	2025-09-08	2025-10-27	Standard	Johannesburg Metro (GJM)	6	1	1	Yes	Analysis
2	Dainfern College Chess League 2024 (A)	2024-01-29	2024-03-11	Standard	Johannesburg Metro (GJM)	6	1	0	Yes	Analysis
3	St Peters College Chess League 2023 (A)	2023-09-11	2023-10-23	Standard	Johannesburg Metro (GJM)	6	5	1.5	Yes	Analysis
4	Steyn City School Chess League 2023 (A)	2023-05-05	2023-05-29	Standard	Johannesburg Metro (GJM)	6	4	2	Yes	Analysis
5	Dainfern College Chess League 2023 (A)	2023-01-30	2023-03-13	Standard	Johannesburg Metro (GJM)	6	6	4.5	Yes	Analysis

#	Games	Start				End
1	4	Tournament Dainfern College Chess League 2023				Tournament Dainfern College Chess League 2023
		date 2023-02-13	rnd 3	type Standard	result 1	date 2023-03-13	rnd 6	type Standard	result 0.5
		Opponent Donaldson, K (Kiera)				Opponent Dowse, D (Daniel)
2	2	Tournament St Peters College Chess League 2023				Tournament St Peters College Chess League 2023
		date 2023-10-16	rnd 5	type Standard	result 1	date 2023-10-23	rnd 6	type Standard	result 0.5
		Opponent Pauwels, P (Piper)				Opponent Pagenkopf, C (Christian)
3	2	Tournament Steyn City School Chess League 2023				Tournament Steyn City School Chess League 2023
		date 2023-05-15	rnd 4	type Standard	result 1	date 2023-05-22	rnd 5	type Standard	result 1
		Opponent Pauwels, P (Piper)				Opponent Pagenkopf, C (Christian)

#	Games	Start				End
1	4	Tournament Dainfern College Chess League 2023				Tournament Dainfern College Chess League 2023
		date 2023-02-13	rnd 3	type Standard	result 1	date 2023-03-13	rnd 6	type Standard	result 0.5
		Opponent Donaldson, K (Kiera)				Opponent Dowse, D (Daniel)
2	2	Tournament St Peters College Chess League 2023				Tournament St Peters College Chess League 2023
		date 2023-10-16	rnd 5	type Standard	result 1	date 2023-10-23	rnd 6	type Standard	result 0.5
		Opponent Pauwels, P (Piper)				Opponent Pagenkopf, C (Christian)
3	2	Tournament Steyn City School Chess League 2023				Tournament Steyn City School Chess League 2023
		date 2023-05-15	rnd 4	type Standard	result 1	date 2023-05-22	rnd 5	type Standard	result 1
		Opponent Pauwels, P (Piper)				Opponent Pagenkopf, C (Christian)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Dainfern College Chess League 2023				Tournament Dainfern College Chess League 2023
		date 2023-02-13	rnd 3	type Standard	result 1	date 2023-03-06	rnd 5	type Standard	result 1
		Opponent Donaldson, K (Kiera)				Opponent Mahlatsi, R (Remothabetse)
2	2	Tournament Steyn City School Chess League 2023				Tournament Steyn City School Chess League 2023
		date 2023-05-15	rnd 4	type Standard	result 1	date 2023-05-22	rnd 5	type Standard	result 1
		Opponent Pauwels, P (Piper)				Opponent Pagenkopf, C (Christian)
3	1	Tournament St Peters College Chess League 2023				Tournament St Peters College Chess League 2023
		date 2023-10-16	rnd 5	type Standard	result 1	date 2023-10-16	rnd 5	type Standard	result 1
		Opponent Pauwels, P (Piper)				Opponent Pauwels, P (Piper)

#	Games	Start				End
1	3	Tournament Dainfern College Chess League 2023				Tournament Dainfern College Chess League 2023
		date 2023-02-13	rnd 3	type Standard	result 1	date 2023-03-06	rnd 5	type Standard	result 1
		Opponent Donaldson, K (Kiera)				Opponent Mahlatsi, R (Remothabetse)
2	2	Tournament Steyn City School Chess League 2023				Tournament Steyn City School Chess League 2023
		date 2023-05-15	rnd 4	type Standard	result 1	date 2023-05-22	rnd 5	type Standard	result 1
		Opponent Pauwels, P (Piper)				Opponent Pagenkopf, C (Christian)
3	1	Tournament St Peters College Chess League 2023				Tournament St Peters College Chess League 2023
		date 2023-10-16	rnd 5	type Standard	result 1	date 2023-10-16	rnd 5	type Standard	result 1
		Opponent Pauwels, P (Piper)				Opponent Pauwels, P (Piper)

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	Pauwels ,P (Piper)	2	2	425	2	2	425	0	0	0	0	0	0
1	Pauwels ,P (Piper)	2	1142.6	1567.6	2	1133.4	1567.6	0	0	0	0	0	0
2	Ramlall ,S (Sanjana)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Ramlall ,S (Sanjana)	2	1571.6	1146.6	2	1577.2	1146.6	0	0	0	0	0	0
3	Pagenkopf ,C (Christian)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
3	Pagenkopf ,C (Christian)	2	1387	1599.5	2	1427.5	1599.5	0	0	0	0	0	0
4	Reddy ,K (Kamran)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Reddy ,K (Kamran)	1	1200	775	1	1200	775	0	0	0	0	0	0
5	Shubham ,K (Kale)	1	1	425	1	1	425	0	0	0	0	0	0
5	Shubham ,K (Kale)	1	1145.7	1570.7	1	1161.2	1570.7	0	0	0	0	0	0
6	Paiker ,J (Joey)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Paiker ,J (Joey)	1	1212.3	787.3	1	1214	787.3	0	0	0	0	0	0
7	Moustakis ,C (Costa)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Moustakis ,C (Costa)	1	1402.6	977.6	1	1394.9	977.6	0	0	0	0	0	0
8	Dowse ,D (Daniel)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
8	Dowse ,D (Daniel)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
9	Muthuselvan ,J (Jayanthan)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Muthuselvan ,J (Jayanthan)	1	1259.8	834.8	1	1272	834.8	0	0	0	0	0	0
10	Mahlatsi ,R (Remothabetse)	1	1	425	1	1	425	0	0	0	0	0	0
10	Mahlatsi ,R (Remothabetse)	1	1200	1625	1	1200	1625	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

De Villiers, J (Jean)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms