Chess South Africa Ratings Database

PLAYER PAGE

Personal

De Vries, C (Cheslin)

Chess SA id

198006885

FIDE id

Date of birth

1998-11-15 (Adult)

Gender

Male

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-01-26

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1535.4	1518.1	1305.4	1298.6
Raw rating	1535.4	1518.1	1305.4	1298.6
Weighted rating	1535.1	1518.1	1305.4	1298.6
Weighted performance	1224.2	1207.9	0	0
Floor	1065.4	1057.6	805.4	805.4
K-factor	32	32	36	36
Min/Max rating change allowed	102.8	105.4	142.7	144.1
Highest rating	1582.8 2023-01-01	1557.6 2023-02-01	1305.4 2019-06-01	1305.4 2019-06-01
Highest raw rating	1565.4 2023-02-01	1557.6 2023-02-01	1305.4 2024-02-01	1305.4 2019-12-01
Highest weighted rating	1565.4 2024-10-01	1557.6 2024-09-01	1305.4 2019-06-01	1305.4 2019-06-01
Highest weighted performance	1582.8 2023-01-01	1554.5 2023-01-01	1200 2024-02-01	1211.5 2022-07-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0.1	0	0
New rating	1535.4	1518.2	1305.4	1298.6
Analysis
Rating	1535.4	1518.1	1305.4	1298.6
Raw rating	1535.4	1518.1	1305.4	1298.6
Weighted rating	1535.1	1518.1	1305.4
Weighted performance	1224.2	1207.9	0
K-factor	32	32	36	36
Floor	1065.4	1057.6	805.4	805.4
Max/Min rating change allowed	102.8	105.4	142.7	144.1
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	1535.4	1518.1	1305.4	1298.6
New weighted rating	1535.2	1518.2	1305.4	1298.6
New weighted performance	1223.7	1207.4	0	0
Temp new rating	1535.4	1518.2	1305.4	1298.6
Temp new rating +/-	0	0.1	0	0
Final new rating +/-	0	0.1	0	0
New rating	1535.4	1518.2	1305.4	1298.6
New K-factor	32	32	36	36
New floor	1065.4	1057.6	805.4	805.4

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	6	6	0	0
	14	14	0	0
	29	29	0	0
	60	55	0	5
	12	12	0	0
History	344	259	66	19

Games since
	Main 24	Standard 24		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	6	4.5	75	212.5	1319.1	1531.6
Standard	6	4.5	75	212.5	1319.1	1531.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	173	101.5	58.67	73.7	1430	1503.7
Standard	168	98.5	58.63	73.4	1431.2	1504.5
Rapid	0	0	0	0	0	0
Blitz	5	3	60	85	1389.4	1474.4

Date	Main	Standard	Rapid	Blitz
2025-09-30	1535.4	1518.1	1305.4	1298.6
2025-09-01	1535.4	1518.1	1305.4	1298.6
2025-08-01	1535.4	1518.1	1305.4	1298.6
2025-07-01	1535.4	1518.1	1305.4	1298.6
2025-06-01	1535.4	1518.1	1305.4	1298.6
2025-05-01	1535.4	1518.1	1305.4	1298.6
2025-04-01	1535.4	1518.1	1305.4	1298.6
2025-03-01	1535.4	1518.1	1305.4	1298.6
2025-02-01	1535.4	1518.1	1305.4	1298.6
2025-01-01	1533.3	1516.7	1305.4	1298.6
2024-12-01	1533.3	1516.7	1305.4	1298.6
2024-11-01	1533.3	1516.7	1305.4	1298.6
2024-10-01	1533.3	1516.7	1305.4	1298.6
2024-09-01	1537.5	1521.5	1305.4	1298.6
2024-08-01	1537.5	1521.5	1305.4	1298.6
2024-07-01	1537.5	1521.5	1305.4	1298.6
2024-06-01	1537.5	1521.5	1305.4	1298.6
2024-08-01	1537.5	1521.5	1305.4	1298.6
2024-04-01	1537.5	1521.5	1305.4	1298.6
2024-03-01	1537.5	1521.5	1305.4	1298.6
2024-02-01	1537.5	1521.5	1305.4	1298.6
2024-01-01	1514.9	1493	1305.4	1298.6
2023-12-01	1514.9	1493	1305.4	1298.6
2023-11-01	1533	1518.6	1305.4	1298.6

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	Marie Delport Memorial 2025 (Open)	2025-01-25	2025-01-26	Standard	Cape Winelands (WCW)	6	6	4.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Marie Delport Memorial 2025 (Open)	2025-01-25	2025-01-26	Standard	Cape Winelands (WCW)	6	6	4.5	Yes	Analysis
2	CT League 2024 (B)	2024-07-20	2024-09-07	Standard	Cape Town (WCT)	11	8	4	Yes	Analysis
3	Cape Winelands - Marie Delport Memorial 2024 (Open)	2024-01-27	2024-01-28	Standard	Cape Winelands (WCW)	6	6	4	Yes	Analysis
4	2023 Western Cape Rural Cup (Open)	2023-12-09	2023-12-10	Standard	Cape Winelands (WCW)	5	4	0.5	Yes	Analysis
5	WP Club League 2023 (C)	2023-07-29	2023-09-09	Standard	Cape Town (WCT)	11	7	4	Yes	Analysis
6	Cape Winelands Open 2023 (Advanced)	2023-07-22	2023-07-23	Standard	Cape Winelands (WCW)	6	6	2.5	Yes	Analysis
7	Cape Town Open 2023 (Advanced)	2023-03-24	2023-03-26	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
8	Marie Delport Memorial 2023 (Open)	2023-01-21	2023-01-21	Standard	Cape Winelands (WCW)	6	6	6	Yes	Analysis
9	Robertson Strategema Club 2022 (Open)	2022-10-29	2022-10-29	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
10	Drakenstein Pioneers Club Championship 2022 (Open)	2022-09-20	2022-10-11	Standard	Cape Winelands (WCW)	5	3	3	Yes	Analysis
11	2022 Western Province Club League (Premier)	2022-08-20	2022-10-01	Standard	Cape Town (WCT)	11	2	1	Yes	Analysis
12	2022 Western Province Club League (B)	2022-08-20	2022-10-01	Standard	Cape Town (WCT)	11	6	2	Yes	Analysis
13	2022 Western Province Club League (C)	2022-08-20	2022-10-01	Standard	Cape Town (WCT)	11	1	0	Yes	Analysis
14	Western Cape Closed Championship 2022 (Prestige)	2022-09-24	2022-09-25	Standard	Cape Winelands (WCW)	6	6	3.5	Yes	Analysis
15	WCCA Rural Cup 2022 (Open)	2022-08-13	2022-08-14	Standard	Overberg (WOS)	5	4	3	Yes	Analysis
16	WCCA Rural Cup Blitz 2022	2022-07-12	2022-07-12	Blitz	Overberg (WOS)	5	5	3	Yes	Analysis
17	Steinitz Open 2022 (C)	2022-05-21	2022-05-22	Standard	Cape Town (WCT)	5	5	4	Yes	Analysis
18	Drakenstein Pioneers Open 2022 (A)	2022-03-26	2022-03-26	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
19	Cape Winelands Open 2022 (Advanced)	2022-02-12	2022-02-13	Standard	Cape Winelands (WCW)	6	6	3	Yes	Analysis
20	Kraaifontein Open 2022 (Advanced)	2022-01-07	2022-01-09	Standard	Cape Town (WCT)	6	6	4.5	Yes	Analysis
21	2022 Cape Of Good Hope Open (Advanced)	2022-01-28	2022-01-30	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
22	Western Cape Closed 2021 (Prestige)	2021-09-24	2021-09-26	Standard	Cape Winelands (WCW)	6	6	2.5	Yes	Analysis
23	Western Cape Closed 2020 (Prestige)	2021-03-27	2021-03-28	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
24	2020 Western Province Open (Elite)	2020-03-07	2020-03-08	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
25	Robertson Chess 2020 (Open)	2020-03-07	2020-03-07	Rapid	Cape Winelands (WCW)	5	0	0	No	Analysis
26	Drakenstein Pioneers Inaugural 2020 (A)	2020-03-14	2020-03-14	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
27	2019 Western Cape Closed Chess Championships (C)	2019-09-21	2019-09-22	Standard	Cape Winelands (WCW)	6	6	4.5	Yes	Analysis
28	2019 Western Province League (Premier)	2019-07-27	2019-09-07	Standard	Cape Town (WCT)	11	1	0	Yes	Analysis
29	2019 Western Province League (B)	2019-07-27	2019-09-07	Standard	Cape Town (WCT)	11	4	2	Yes	Analysis
30	2019 Western Province League (C)	2019-07-27	2019-09-07	Standard	Cape Town (WCT)	11	6	4	Yes	Analysis
31	2018 Western Province League (B)	2018-08-04	2018-09-15	Standard	Cape Town (WCT)	11	2	2	Yes	Analysis
32	2018 Western Province League (C)	2018-08-04	2018-09-15	Standard	Cape Town (WCT)	11	7	4	Yes	Analysis
33	2018 Western Province League (D)	2018-08-04	2018-09-15	Standard	Cape Town (WCT)	11	2	2	Yes	Analysis
34	Paul Roos Open Championship 2018 (B)	2018-09-22	2018-09-23	Standard	Cape Winelands (WCW)	6	6	3	Yes	Analysis
35	PHBS Rememberance Tournament 2018 (Open)	2018-02-23	2018-02-24	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
36	2018 Cape of Good Hope Open Chess Championships (Prestige)	2018-01-26	2018-01-28	Standard	Cape Town (WCT)	6	1	0	Yes	Analysis

#	Games	Start				End
1	7	Tournament Marie Delport Memorial 2023				Tournament Cape Town Open 2023
		date 2023-01-21	rnd 1	type Standard	result 1	date 2023-03-24	rnd 1	type Standard	result 1
		Opponent Mqolo, A (Awonke)				Opponent Goosen, P (Pierre)
2	7	Tournament WCCA Rural Cup Blitz 2022				Tournament 2022 Western Province Club League
		date 2022-07-12	rnd 5	type Blitz	result 1	date 2022-08-20	rnd 2	type Standard	result 0.5
		Opponent Kruger, S (Sachin)				Opponent Kedama, S (Sandiso)
3	6	Tournament Drakenstein Pioneers Open 2022				Tournament Steinitz Open 2022
		date 2022-03-26	rnd 4	type Standard	result 0.5	date 2022-05-21	rnd 4	type Standard	result 1
		Opponent Kariem, S (Shakir)				Opponent Ziegers, Z (Zaskia)

#	Games	Start				End
1	7	Tournament Marie Delport Memorial 2023				Tournament Cape Town Open 2023
		date 2023-01-21	rnd 1	type Standard	result 1	date 2023-03-24	rnd 1	type Standard	result 1
		Opponent Mqolo, A (Awonke)				Opponent Goosen, P (Pierre)
2	6	Tournament WCCA Rural Cup 2022				Tournament 2022 Western Province Club League
		date 2022-08-13	rnd 1	type Standard	result 1	date 2022-08-20	rnd 2	type Standard	result 0.5
		Opponent Floris, L (Lionel)				Opponent Kedama, S (Sandiso)
3	6	Tournament Drakenstein Pioneers Open 2022				Tournament Steinitz Open 2022
		date 2022-03-26	rnd 4	type Standard	result 0.5	date 2022-05-21	rnd 4	type Standard	result 1
		Opponent Kariem, S (Shakir)				Opponent Ziegers, Z (Zaskia)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament WCCA Rural Cup Blitz 2022				Tournament WCCA Rural Cup Blitz 2022
		date 2022-07-12	rnd 1	type Blitz	result 1	date 2022-07-12	rnd 2	type Blitz	result 1
		Opponent Jaftha, D (Duwayne)				Opponent Ligwa, A (Anastacia)
2	1	Tournament WCCA Rural Cup Blitz 2022				Tournament WCCA Rural Cup Blitz 2022
		date 2022-07-12	rnd 5	type Blitz	result 1	date 2022-07-12	rnd 5	type Blitz	result 1
		Opponent Kruger, S (Sachin)				Opponent Kruger, S (Sachin)

#	Games	Start				End
1	7	Tournament Marie Delport Memorial 2023				Tournament Cape Town Open 2023
		date 2023-01-21	rnd 1	type Standard	result 1	date 2023-03-24	rnd 1	type Standard	result 1
		Opponent Mqolo, A (Awonke)				Opponent Goosen, P (Pierre)
2	5	Tournament Drakenstein Pioneers Club Championship 2022				Tournament Robertson Strategema Club 2022
		date 2022-10-11	rnd 2	type Standard	result 1	date 2022-10-29	rnd 3	type Standard	result 1
		Opponent Nel, H (Herman)				Opponent Davids, JW (Jo-Wayne)
3	5	Tournament 2018 Western Province League				Tournament Paul Roos Open Championship 2018
		date 2018-09-01	rnd 7	type Standard	result 1	date 2018-09-22	rnd 1	type Standard	result 1
		Opponent Willenberg, K (Keagan)				Opponent Rass, R (Reagan)

#	Games	Start				End
1	7	Tournament Marie Delport Memorial 2023				Tournament Cape Town Open 2023
		date 2023-01-21	rnd 1	type Standard	result 1	date 2023-03-24	rnd 1	type Standard	result 1
		Opponent Mqolo, A (Awonke)				Opponent Goosen, P (Pierre)
2	5	Tournament Drakenstein Pioneers Club Championship 2022				Tournament Robertson Strategema Club 2022
		date 2022-10-11	rnd 2	type Standard	result 1	date 2022-10-29	rnd 3	type Standard	result 1
		Opponent Nel, H (Herman)				Opponent Davids, JW (Jo-Wayne)
3	5	Tournament 2018 Western Province League				Tournament Paul Roos Open Championship 2018
		date 2018-09-01	rnd 7	type Standard	result 1	date 2018-09-22	rnd 1	type Standard	result 1
		Opponent Willenberg, K (Keagan)				Opponent Rass, R (Reagan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament WCCA Rural Cup Blitz 2022				Tournament WCCA Rural Cup Blitz 2022
		date 2022-07-12	rnd 1	type Blitz	result 1	date 2022-07-12	rnd 2	type Blitz	result 1
		Opponent Jaftha, D (Duwayne)				Opponent Ligwa, A (Anastacia)
2	1	Tournament WCCA Rural Cup Blitz 2022				Tournament WCCA Rural Cup Blitz 2022
		date 2022-07-12	rnd 5	type Blitz	result 1	date 2022-07-12	rnd 5	type Blitz	result 1
		Opponent Kruger, S (Sachin)				Opponent Kruger, S (Sachin)

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	Crotz ,G (Greagan)	5	4	255	5	4	255	0	0	0	0	0	0
1	Crotz ,G (Greagan)	5	1395.7	1650.7	5	1323.1	1650.7	0	0	0	0	0	0
2	Matthys ,A (Allistair)	3	0.5	-283.3	3	0.5	-283.3	0	0	0	0	0	0
2	Matthys ,A (Allistair)	3	1456	1172.7	3	1454.1	1172.7	0	0	0	0	0	0
3	Ncethelo ,B (Bongolethu)	3	1.5	0	3	1.5	0	0	0	0	0	0	0
3	Ncethelo ,B (Bongolethu)	3	1609.9	1609.9	3	1587.7	1609.9	0	0	0	0	0	0
4	Braaf ,J (Jiraan)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
4	Braaf ,J (Jiraan)	3	1538.4	1396.7	3	1524.2	1396.7	0	0	0	0	0	0
5	Esau ,O (Omar Omar)	2	1	0	2	1	0	0	0	0	0	0	0
5	Esau ,O (Omar Omar)	2	1383.9	1383.9	2	1379.4	1383.9	0	0	0	0	0	0
6	Bell ,A (Ayakha)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
6	Bell ,A (Ayakha)	2	1429.1	1641.6	2	1395.9	1641.6	0	0	0	0	0	0
7	Willenberg ,A (Athon)	2	0	-425	2	0	-425	0	0	0	0	0	0
7	Willenberg ,A (Athon)	2	1797.2	1372.2	2	1784.5	1372.2	0	0	0	0	0	0
8	Nel ,RA (Rowan)	2	1	0	2	1	0	0	0	0	0	0	0
8	Nel ,RA (Rowan)	2	1419.8	1419.8	2	1412.4	1419.8	0	0	0	0	0	0
9	Lewaks ,A (Andre)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
9	Lewaks ,A (Andre)	2	1344.2	1556.7	2	1318.8	1556.7	0	0	0	0	0	0
10	Masoka ,A (Ayema)	2	0	-425	2	0	-425	0	0	0	0	0	0
10	Masoka ,A (Ayema)	2	1619.8	1194.8	2	1601.6	1194.8	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

De Vries, C (Cheslin)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms