Chess South Africa Ratings Database

PLAYER PAGE

Personal

De Vries, G (Gideon)

Chess SA id

1110312151

FIDE id

Date of birth

2011-02-04 (U16)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-21

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1253.9

Item	Main	Standard	Rapid	Blitz
Rating	1220.3	1218	1200	1200
Raw rating	1220.3	1218	1200	1200
Weighted rating	1214.3	1214.1	1200	1200
Weighted performance	1184.3	1178.9	0	0
Floor	725.8	727.7	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	161.1	161.6	165.8	165.8
Highest rating	1306.1 2024-10-01	1306.5 2024-10-01	1200 2024-10-01	1200 2024-10-01
Highest raw rating	1225.8 2025-03-01	1227.7 2025-03-01	1200 2024-10-01	1200 2024-10-01
Highest weighted rating	1214.3 2025-09-30	1214.1 2025-09-30	1200 2024-10-01	1200 2024-10-01
Highest weighted performance	1306.1 2024-10-01	1306.5 2024-10-01	1200 2024-10-01	1200 2024-10-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1220.3	1218	1200	1200
Analysis
Rating	1220.3	1218	1200	1200
Raw rating	1220.3	1218	1200	1200
Weighted rating	1214.3	1214.1	1200
Weighted performance	1184.3	1178.9	0
K-factor	36	36	36	36
Floor	725.8	727.7	700	700
Max/Min rating change allowed	161.1	161.6	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	1220.3	1218	1200	1200
New weighted rating	1215.2	1214.8	1200	1200
New weighted performance	1183.9	1178.5	0	0
Temp new rating	1220.3	1218	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1220.3	1218	1200	1200
New K-factor	36	36	36	36
New floor	725.8	727.7	700	700

Item	Main	Standard
	0	0
	20	20
	4	4
	0	0
	0	0
	0	0
History	24	24

Games since
	Main 24	Standard 24		Rapid 0		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	20	9	45	-42.5	1271.2	1228.7
Standard	20	9	45	-42.5	1271.2	1228.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	24	11	45.83	-35.4	1276.8	1241.4
Standard	24	11	45.83	-35.4	1276.8	1241.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1220.3	1218	1200	1200
2025-09-01	1217.3	1213.7	1200	1200
2025-08-01	1217.3	1213.7	1200	1200
2025-07-01	1217.3	1213.7	1200	1200
2025-06-01	1216.6	1213.3	1200	1200
2025-05-01	1225.8	1227.7	1200	1200
2025-04-01	1225.8	1227.7	1200	1200
2025-03-01	1225.8	1227.7	1200	1200
2025-02-01	1216.3	1219.6	1200	1200
2025-01-01	1216.3	1219.6	1200	1200
2024-12-01	1216.3	1219.6	1200	1200
2024-11-01	1216.3	1219.6	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
2024-06-01	1200	1200	1200	1200
2024-08-01	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
2023-11-01	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	Ekurhuleni Trial 4 2025 (D)	2025-09-21	2025-09-21	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
2	Ekurhuleni Trial 2 2025 (D)	2025-06-21	2025-06-21	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
3	Benoni High School Cluster 2025 (U15)	2025-05-10	2025-05-10	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
4	Benoni High School Cluster 15Feb 2025 (U15 Boys)	2025-02-15	2025-02-15	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Ekurhuleni Trial 4 2025 (D)	2025-09-21	2025-09-21	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
2	Ekurhuleni Trial 2 2025 (D)	2025-06-21	2025-06-21	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
3	Benoni High School Cluster 2025 (U15)	2025-05-10	2025-05-10	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
4	Benoni High School Cluster 15Feb 2025 (U15 Boys)	2025-02-15	2025-02-15	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
5	Gauteng Top Schools 2024 (U13 Open)	2024-10-04	2024-10-04	Standard	Ekurhuleni (GE)	5	4	2	Yes	Analysis

#	Games	Start				End
1	2	Tournament Benoni High School Cluster 2025				Tournament Ekurhuleni Trial 2 2025
		date 2025-05-10	rnd 5	type Standard	result 1	date 2025-06-21	rnd 1	type Standard	result 1
		Opponent Sundram, H (Hriday)				Opponent Cloete, A (Andrew)
2	2	Tournament Benoni High School Cluster 15Feb 2025				Tournament Benoni High School Cluster 15Feb 2025
		date 2025-02-15	rnd 1	type Standard	result 1	date 2025-02-15	rnd 2	type Standard	result 1
		Opponent Majorobela, N (Neo Moeketsi)				Opponent Stevens, S (Sebastian)
3	2	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-04	rnd 1	type Standard	result 1	date 2024-10-04	rnd 2	type Standard	result 1
		Opponent Vermaak, GJ (Gerhardus Jacobus (Eckhard))				Opponent Fourie, F (Fabian)

#	Games	Start				End
1	2	Tournament Benoni High School Cluster 2025				Tournament Ekurhuleni Trial 2 2025
		date 2025-05-10	rnd 5	type Standard	result 1	date 2025-06-21	rnd 1	type Standard	result 1
		Opponent Sundram, H (Hriday)				Opponent Cloete, A (Andrew)
2	2	Tournament Benoni High School Cluster 15Feb 2025				Tournament Benoni High School Cluster 15Feb 2025
		date 2025-02-15	rnd 1	type Standard	result 1	date 2025-02-15	rnd 2	type Standard	result 1
		Opponent Majorobela, N (Neo Moeketsi)				Opponent Stevens, S (Sebastian)
3	2	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-04	rnd 1	type Standard	result 1	date 2024-10-04	rnd 2	type Standard	result 1
		Opponent Vermaak, GJ (Gerhardus Jacobus (Eckhard))				Opponent Fourie, F (Fabian)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Benoni High School Cluster 2025				Tournament Ekurhuleni Trial 2 2025
		date 2025-05-10	rnd 5	type Standard	result 1	date 2025-06-21	rnd 1	type Standard	result 1
		Opponent Sundram, H (Hriday)				Opponent Cloete, A (Andrew)
2	2	Tournament Benoni High School Cluster 15Feb 2025				Tournament Benoni High School Cluster 15Feb 2025
		date 2025-02-15	rnd 1	type Standard	result 1	date 2025-02-15	rnd 2	type Standard	result 1
		Opponent Majorobela, N (Neo Moeketsi)				Opponent Stevens, S (Sebastian)
3	2	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-04	rnd 1	type Standard	result 1	date 2024-10-04	rnd 2	type Standard	result 1
		Opponent Vermaak, GJ (Gerhardus Jacobus (Eckhard))				Opponent Fourie, F (Fabian)

#	Games	Start				End
1	2	Tournament Benoni High School Cluster 2025				Tournament Ekurhuleni Trial 2 2025
		date 2025-05-10	rnd 5	type Standard	result 1	date 2025-06-21	rnd 1	type Standard	result 1
		Opponent Sundram, H (Hriday)				Opponent Cloete, A (Andrew)
2	2	Tournament Benoni High School Cluster 15Feb 2025				Tournament Benoni High School Cluster 15Feb 2025
		date 2025-02-15	rnd 1	type Standard	result 1	date 2025-02-15	rnd 2	type Standard	result 1
		Opponent Majorobela, N (Neo Moeketsi)				Opponent Stevens, S (Sebastian)
3	2	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-04	rnd 1	type Standard	result 1	date 2024-10-04	rnd 2	type Standard	result 1
		Opponent Vermaak, GJ (Gerhardus Jacobus (Eckhard))				Opponent Fourie, F (Fabian)

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	Erasmus ,M (Max)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Erasmus ,M (Max)	2	1321.2	896.2	2	1315.6	896.2	0	0	0	0	0	0
2	Cloete ,A (Andrew)	2	2	425	2	2	425	0	0	0	0	0	0
2	Cloete ,A (Andrew)	2	1332.8	1757.8	2	1318.9	1757.8	0	0	0	0	0	0
3	Nolan ,C (Christopher)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Nolan ,C (Christopher)	2	1305.6	880.6	2	1292.7	880.6	0	0	0	0	0	0
4	Ngcongolo ,T (Thamsanqa)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Ngcongolo ,T (Thamsanqa)	2	1338.4	913.4	2	1350	913.4	0	0	0	0	0	0
5	Dankaert ,A (Alexis)	2	2	425	2	2	425	0	0	0	0	0	0
5	Dankaert ,A (Alexis)	2	1304.2	1729.2	2	1313.6	1729.2	0	0	0	0	0	0
6	Stevens ,S (Sebastian)	1	1	425	1	1	425	0	0	0	0	0	0
6	Stevens ,S (Sebastian)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Chisango ,T (Trafford)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Chisango ,T (Trafford)	1	1227.3	802.3	1	1224	802.3	0	0	0	0	0	0
8	Pillay ,L (Lushen)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Pillay ,L (Lushen)	1	1086.5	661.5	1	1096	661.5	0	0	0	0	0	0
9	Infante ,C (Cruz)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Infante ,C (Cruz)	1	1200	775	1	1200	775	0	0	0	0	0	0
10	Nhleko ,Z (Ziyanda)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Nhleko ,Z (Ziyanda)	1	1311.7	886.7	1	1242.5	886.7	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

De Vries, G (Gideon)

Ratings

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Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms