Chess South Africa Ratings Database

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Personal

De Vries, G (Gustav)

Chess SA id

1120110485

FIDE id

Date of birth

2012-10-17 (U14)

Gender

Male

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-06-11

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1205.8	1204	1205.7	1200
Raw rating	1205.8	1204	1205.7	1200
Weighted rating	1205.8	1204	1205.7	1200
Weighted performance	626.2	0	670.5	0
Floor	747	704	778.4	700
K-factor	36	36	36	36
Min/Max rating change allowed	164.5	164.9	164.5	165.8
Highest rating	1377.8 2019-02-01	1204 2024-02-01	1450.3 2019-02-01	1200 2018-10-01
Highest raw rating	1247 2019-03-01	1204 2024-02-01	1278.4 2020-01-01	1200 2024-02-01
Highest weighted rating	1247 2021-09-01	1204 2025-02-01	1278.4 2021-02-01	1200 2018-10-01
Highest weighted performance	1377.8 2019-02-01	1200 2018-02-01	1450.3 2019-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1205.8	1204	1205.7	1200
Analysis
Rating	1205.8	1204	1205.7	1200
Raw rating	1205.8	1204	1205.7	1200
Weighted rating	1205.8	1204	1205.7
Weighted performance	626.2	0	670.5
K-factor	36	36	36	36
Floor	747	704	778.4	700
Max/Min rating change allowed	164.5	164.9	164.5	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	1205.8	1204	1205.7	1200
New weighted rating	1205.8	1204	1205.7	1200
New weighted performance	625.8	0	670.1	0
Temp new rating	1205.8	1204	1205.7	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1205.8	1204	1205.7	1200
New K-factor	36	36	36	36
New floor	747	704	778.4	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	19	0	19
	10	0	10
History	47	11	36

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U14
Region	West Coast (WCU)
Province	Western Cape (WC)
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	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
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	47	24.5	52.13	18.1	1216.1	1234.2
Standard	11	5.5	50	0	1196.6	1196.6
Rapid	36	19	52.78	23.6	1222.1	1245.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1205.8	1204	1205.7	1200
2025-09-01	1205.8	1204	1205.7	1200
2025-08-01	1205.8	1204	1205.7	1200
2025-07-01	1205.8	1204	1205.7	1200
2025-06-01	1205.8	1204	1205.7	1200
2025-05-01	1205.8	1204	1205.7	1200
2025-04-01	1205.8	1204	1205.7	1200
2025-03-01	1205.8	1204	1205.7	1200
2025-02-01	1205.8	1204	1205.7	1200
2025-01-01	1205.8	1204	1205.7	1200
2024-12-01	1205.8	1204	1205.7	1200
2024-11-01	1205.8	1204	1205.7	1200
2024-10-01	1205.8	1204	1205.7	1200
2024-09-01	1205.8	1204	1205.7	1200
2024-08-01	1205.8	1204	1205.7	1200
2024-07-01	1205.8	1204	1205.7	1200
2024-06-01	1205.8	1204	1205.7	1200
2024-08-01	1205.8	1204	1205.7	1200
2024-04-01	1205.8	1204	1205.7	1200
2024-03-01	1205.8	1204	1205.7	1200
2024-02-01	1205.8	1204	1205.7	1200
2024-01-01	1205.8	1204	1205.7	1200
2023-12-01	1205.8	1204	1205.7	1200
2023-11-01	1205.8	1204	1205.7	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	Bo-Weskus Top Skole 2022 (O11)	2022-06-11	2022-06-11	Rapid	West Coast (WCU)	5	4	1	Yes	Analysis
2	West Coast Schools Chess Prestige Leg 2 2022 (U11 Boys)	2022-04-23	2022-04-23	Rapid	West Coast (WCU)	5	5	2	Yes	Analysis
3	West Coast Schools Chess Prestige Leg 1 2022 (U11 Boys)	2022-04-09	2022-04-09	Rapid	West Coast (WCU)	5	5	2.5	Yes	Analysis
4	Bo Weskus Skole Skaak Prestige (O11 Seuns)	2022-03-19	2022-03-19	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
5	West Coast Primary Schools Prestige 2021 (U7+U9)	2021-09-18	2021-09-18	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
6	Upper West Coast 2021 (U9)	2021-09-04	2021-09-04	Rapid	West Coast (WCU)	6	5	2	Yes	Analysis
7	Bo-Weskus Skole Prestige 2020 (O9 Seuns)	2020-02-15	2020-02-15	Standard	West Coast (WCU)	6	6	3.5	Yes	Analysis
8	Weskus Skole Prestige Skaak Kampioenskappe 2019 (O7 Seuns)	2019-03-02	2019-04-06	Standard	West Coast (WCU)	6	5	2	Yes	Analysis
9	Bo-Weskus Skole Skaak Prestige 2019 (O7)	2019-02-16	2019-02-16	Rapid	West Coast (WCU)	7	7	5.5	Yes	Analysis

#	Games	Start				End
1	4	Tournament Bo Weskus Skole Skaak Prestige				Tournament West Coast Schools Chess Prestige Leg 1 2022
		date 2022-03-19	rnd 4	type Rapid	result 1	date 2022-04-09	rnd 2	type Rapid	result 1
		Opponent Skippers, G (Gerano)				Opponent Warries, T (Tyreese)
2	3	Tournament West Coast Schools Chess Prestige Leg 1 2022				Tournament West Coast Schools Chess Prestige Leg 2 2022
		date 2022-04-09	rnd 5	type Rapid	result 0.5	date 2022-04-23	rnd 2	type Rapid	result 1
		Opponent Lindeque, C (Carlos)				Opponent Warries, T (Tyreese)
3	3	Tournament Bo-Weskus Skole Skaak Prestige 2019				Tournament Bo-Weskus Skole Skaak Prestige 2019
		date 2019-02-16	rnd 5	type Rapid	result 1	date 2019-02-16	rnd 7	type Rapid	result 1
		Opponent Coetzee, X (Xavier)				Opponent Gribble, S (Sergio)

#	Games	Start				End
1	2	Tournament Bo-Weskus Skole Prestige 2020				Tournament Bo-Weskus Skole Prestige 2020
		date 2020-02-15	rnd 3	type Standard	result 1	date 2020-02-15	rnd 4	type Standard	result 1
		Opponent Jacobs, N (Nicholas)				Opponent Mabala, L (Lubabalo)
2	2	Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019				Tournament Bo-Weskus Skole Prestige 2020
		date 2019-04-06	rnd 6	type Standard	result 1	date 2020-02-15	rnd 1	type Standard	result 1
		Opponent Ellman, A (Andries)				Opponent Joseph, J (Jc)
3	1	Tournament Bo-Weskus Skole Prestige 2020				Tournament Bo-Weskus Skole Prestige 2020
		date 2020-02-15	rnd 6	type Standard	result 0.5	date 2020-02-15	rnd 6	type Standard	result 0.5
		Opponent Smal, W (William)				Opponent Smal, W (William)

#	Games	Start				End
1	4	Tournament Bo Weskus Skole Skaak Prestige				Tournament West Coast Schools Chess Prestige Leg 1 2022
		date 2022-03-19	rnd 4	type Rapid	result 1	date 2022-04-09	rnd 2	type Rapid	result 1
		Opponent Skippers, G (Gerano)				Opponent Warries, T (Tyreese)
2	3	Tournament West Coast Schools Chess Prestige Leg 1 2022				Tournament West Coast Schools Chess Prestige Leg 2 2022
		date 2022-04-09	rnd 5	type Rapid	result 0.5	date 2022-04-23	rnd 2	type Rapid	result 1
		Opponent Lindeque, C (Carlos)				Opponent Warries, T (Tyreese)
3	3	Tournament Bo-Weskus Skole Skaak Prestige 2019				Tournament Bo-Weskus Skole Skaak Prestige 2019
		date 2019-02-16	rnd 5	type Rapid	result 1	date 2019-02-16	rnd 7	type Rapid	result 1
		Opponent Coetzee, X (Xavier)				Opponent Gribble, S (Sergio)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Bo Weskus Skole Skaak Prestige				Tournament West Coast Schools Chess Prestige Leg 1 2022
		date 2022-03-19	rnd 4	type Rapid	result 1	date 2022-04-09	rnd 2	type Rapid	result 1
		Opponent Skippers, G (Gerano)				Opponent Warries, T (Tyreese)
2	3	Tournament Bo-Weskus Skole Skaak Prestige 2019				Tournament Bo-Weskus Skole Skaak Prestige 2019
		date 2019-02-16	rnd 5	type Rapid	result 1	date 2019-02-16	rnd 7	type Rapid	result 1
		Opponent Coetzee, X (Xavier)				Opponent Gribble, S (Sergio)
3	2	Tournament West Coast Schools Chess Prestige Leg 2 2022				Tournament West Coast Schools Chess Prestige Leg 2 2022
		date 2022-04-23	rnd 1	type Rapid	result 1	date 2022-04-23	rnd 2	type Rapid	result 1
		Opponent Pieters, C (Coburn-Lee)				Opponent Warries, T (Tyreese)

#	Games	Start				End
1	2	Tournament Bo-Weskus Skole Prestige 2020				Tournament Bo-Weskus Skole Prestige 2020
		date 2020-02-15	rnd 3	type Standard	result 1	date 2020-02-15	rnd 4	type Standard	result 1
		Opponent Jacobs, N (Nicholas)				Opponent Mabala, L (Lubabalo)
2	2	Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019				Tournament Bo-Weskus Skole Prestige 2020
		date 2019-04-06	rnd 6	type Standard	result 1	date 2020-02-15	rnd 1	type Standard	result 1
		Opponent Ellman, A (Andries)				Opponent Joseph, J (Jc)
3	1	Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019				Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019
		date 2019-03-02	rnd 3	type Standard	result 1	date 2019-03-02	rnd 3	type Standard	result 1
		Opponent Gribble, S (Sergio)				Opponent Gribble, S (Sergio)

#	Games	Start				End
1	4	Tournament Bo Weskus Skole Skaak Prestige				Tournament West Coast Schools Chess Prestige Leg 1 2022
		date 2022-03-19	rnd 4	type Rapid	result 1	date 2022-04-09	rnd 2	type Rapid	result 1
		Opponent Skippers, G (Gerano)				Opponent Warries, T (Tyreese)
2	3	Tournament Bo-Weskus Skole Skaak Prestige 2019				Tournament Bo-Weskus Skole Skaak Prestige 2019
		date 2019-02-16	rnd 5	type Rapid	result 1	date 2019-02-16	rnd 7	type Rapid	result 1
		Opponent Coetzee, X (Xavier)				Opponent Gribble, S (Sergio)
3	2	Tournament West Coast Schools Chess Prestige Leg 2 2022				Tournament West Coast Schools Chess Prestige Leg 2 2022
		date 2022-04-23	rnd 1	type Rapid	result 1	date 2022-04-23	rnd 2	type Rapid	result 1
		Opponent Pieters, C (Coburn-Lee)				Opponent Warries, T (Tyreese)

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	Maletta ,S (Sherevitho)	5	0.5	-340	2	0	-425	3	0.5	-283.3	0	0	0
1	Maletta ,S (Sherevitho)	5	1219.8	879.8	2	1197.1	794.8	3	1220.8	936.5	0	0	0
2	Gribble ,S (Sergio)	2	2	425	1	1	425	1	1	425	0	0	0
2	Gribble ,S (Sergio)	2	1194	1619	1	1200	1619	1	1200	1619	0	0	0
3	Dirks ,R (Ryan)	2	0	-425	1	0	-425	1	0	-425	0	0	0
3	Dirks ,R (Ryan)	2	1228.3	803.3	1	1200	803.3	1	1215.1	803.3	0	0	0
4	Van Helsdingen ,L (Lene)	2	2	425	0	0	0	2	2	425	0	0	0
4	Van Helsdingen ,L (Lene)	2	1200	1625	0	0	0	2	1200	1625	0	0	0
5	Booysen ,C (Chadlin)	2	0	-425	0	0	0	2	0	-425	0	0	0
5	Booysen ,C (Chadlin)	2	1457.2	1032.2	0	0	0	2	1516.2	1032.2	0	0	0
6	Pieters ,C (Coburn-Lee)	2	2	425	0	0	0	2	2	425	0	0	0
6	Pieters ,C (Coburn-Lee)	2	1211.5	1636.5	0	0	0	2	1218.8	1636.5	0	0	0
7	Warries ,T (Tyreese)	2	2	425	0	0	0	2	2	425	0	0	0
7	Warries ,T (Tyreese)	2	1209.1	1634.1	0	0	0	2	1216.8	1634.1	0	0	0
8	Engelbrecht ,J (Janke)	2	1	0	0	0	0	2	1	0	0	0	0
8	Engelbrecht ,J (Janke)	2	1163.5	1163.5	0	0	0	2	1114.8	1163.5	0	0	0
9	Jacobs ,N (Nicholas)	1	1	425	1	1	425	0	0	0	0	0	0
9	Jacobs ,N (Nicholas)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Joseph ,J (Jc)	1	1	425	1	1	425	0	0	0	0	0	0
10	Joseph ,J (Jc)	1	1200	1625	1	1200	1625	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

De Vries, G (Gustav)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms