Chess South Africa Ratings Database

PLAYER PAGE

Personal

De Kock, S (Stephan)

Chess SA id

111091995

FIDE id

Date of birth

2011-05-13 (U16)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-02-18

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1122.2	1141.2	1128.4	1088.8
Raw rating	1122.2	1141.2	1128.4	1088.8
Weighted rating	1122.2	1141.2	1128.4	1088.8
Weighted performance	414.3	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	185.3	180.3	183.6	194.3
Highest rating	1200 2018-02-01	1200 2018-10-01	1200 2018-02-01	1200 2018-10-01
Highest raw rating	1200 2018-02-01	1200 2018-02-01	1200 2018-02-01	1200 2020-01-01
Highest weighted rating	1200 2018-02-01	1200 2018-10-01	1200 2018-02-01	1200 2018-10-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1200 2018-02-01	1200 2020-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1122.2	1141.2	1128.4	1088.8
Analysis
Rating	1122.2	1141.2	1128.4	1088.8
Raw rating	1122.2	1141.2	1128.4	1088.8
Weighted rating	1122.2	1141.2	1128.4
Weighted performance	414.3	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	185.3	180.3	183.6	194.3
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	1122.2	1141.2	1128.4	1088.8
New weighted rating	1122.2	1141.2	1128.4	1088.8
New weighted performance	407.8	0	0	0
Temp new rating	1122.2	1141.2	1128.4	1088.8
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1122.2	1141.2	1128.4	1088.8
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	0	0	0	0
	5	5	0	0
	0	0	0	0
	0	0	0	0
History	56	32	18	6

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Johannesburg Metro (GJM)
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	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	41	14	34.15	-134.8	1199.5	1064.7
Standard	17	6	35.29	-125	1215.3	1090.3
Rapid	18	7	38.89	-94.4	1188	1093.6
Blitz	6	1	16.67	-283.3	1189.2	905.9

Date	Main	Standard	Rapid	Blitz
2025-11-01	1122.2	1141.2	1128.4	1088.8
2025-09-30	1122.2	1141.2	1128.4	1088.8
2025-09-01	1122.2	1141.2	1128.4	1088.8
2025-08-01	1122.2	1141.2	1128.4	1088.8
2025-07-01	1122.2	1141.2	1128.4	1088.8
2025-06-01	1122.2	1141.2	1128.4	1088.8
2025-05-01	1122.2	1141.2	1128.4	1088.8
2025-04-01	1122.2	1141.2	1128.4	1088.8
2025-03-01	1122.2	1141.2	1128.4	1088.8
2025-02-01	1122.2	1141.2	1128.4	1088.8
2025-01-01	1122.2	1141.2	1128.4	1088.8
2024-12-01	1122.2	1141.2	1128.4	1088.8
2024-11-01	1122.2	1141.2	1128.4	1088.8
2024-10-01	1122.2	1141.2	1128.4	1088.8
2024-09-01	1122.2	1141.2	1128.4	1088.8
2024-08-01	1122.2	1141.2	1128.4	1088.8
2024-07-01	1122.2	1141.2	1128.4	1088.8
2024-09-01	1122.2	1141.2	1128.4	1088.8
2024-05-01	1122.2	1141.2	1128.4	1088.8
2024-04-01	1122.2	1141.2	1128.4	1088.8
2024-03-01	1122.2	1141.2	1128.4	1088.8
2024-02-01	1122.2	1141.2	1128.4	1088.8
2024-01-01	1122.2	1141.2	1128.4	1088.8
2023-12-01	1122.2	1141.2	1128.4	1088.8

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	Cape Winelands Schools Chess - Trials 1 2023 (U13 Boys)	2023-02-18	2023-02-18	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
2	Paul Roos Blitz 2020	2020-02-22	2020-02-22	Blitz	Cape Winelands (WCW)	9	6	1	Yes	Analysis
3	Cape Winelands Schools Trials 1 2020 (U9 Boys)	2020-02-08	2020-02-08	Rapid	Cape Winelands (WCW)	6	6	2.5	Yes	Analysis
4	Western Cape Schools Individuals 2019 (U9 Boys)	2019-05-18	2019-05-19	Standard	Eden (WEG)	6	6	2	Yes	Analysis
5	Cape Winelands Schools Closed 2019 (U9 Boys)	2019-03-16	2019-03-17	Standard	Cape Winelands (WCW)	7	6	2	Yes	Analysis
6	CW Schools Open 2019 (U7+U9 Boys)	2019-02-02	2019-02-02	Rapid	Cape Winelands (WCW)	6	6	2.5	Yes	Analysis
7	Cape Winelands Schools Trials 1 2018 (U9 Boys)	2018-03-03	2018-03-03	Rapid	Cape Winelands (WCW)	6	6	2	Yes	Analysis

#	Games	Start				End
1	2	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-18	rnd 3	type Standard	result 1	date 2023-02-18	rnd 4	type Standard	result 1
		Opponent Grobbelaar, A (Aidan)				Opponent Mostert, R (Ruan)
2	2	Tournament Cape Winelands Schools Trials 1 2020				Tournament Cape Winelands Schools Trials 1 2020
		date 2020-02-08	rnd 4	type Rapid	result 1	date 2020-02-08	rnd 5	type Rapid	result 1
		Opponent Boshoff, M (Matthew)				Opponent De Villiers, P (Peter-Alan)
3	2	Tournament CW Schools Open 2019				Tournament CW Schools Open 2019
		date 2019-02-02	rnd 4	type Rapid	result 0.5	date 2019-02-02	rnd 5	type Rapid	result 1
		Opponent Hanekom, R (Ricus)				Opponent Titus, J (Jordyn)

#	Games	Start				End
1	2	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-18	rnd 3	type Standard	result 1	date 2023-02-18	rnd 4	type Standard	result 1
		Opponent Grobbelaar, A (Aidan)				Opponent Mostert, R (Ruan)
2	1	Tournament Western Cape Schools Individuals 2019				Tournament Western Cape Schools Individuals 2019
		date 2019-05-19	rnd 6	type Standard	result 1	date 2019-05-19	rnd 6	type Standard	result 1
		Opponent Hansen, D (Damian)				Opponent Hansen, D (Damian)
3	1	Tournament Western Cape Schools Individuals 2019				Tournament Western Cape Schools Individuals 2019
		date 2019-05-18	rnd 2	type Standard	result 1	date 2019-05-18	rnd 2	type Standard	result 1
		Opponent Witbooi, S (Sergio)				Opponent Witbooi, S (Sergio)

#	Games	Start				End
1	2	Tournament Cape Winelands Schools Trials 1 2020				Tournament Cape Winelands Schools Trials 1 2020
		date 2020-02-08	rnd 4	type Rapid	result 1	date 2020-02-08	rnd 5	type Rapid	result 1
		Opponent Boshoff, M (Matthew)				Opponent De Villiers, P (Peter-Alan)
2	2	Tournament CW Schools Open 2019				Tournament CW Schools Open 2019
		date 2019-02-02	rnd 4	type Rapid	result 0.5	date 2019-02-02	rnd 5	type Rapid	result 1
		Opponent Hanekom, R (Ricus)				Opponent Titus, J (Jordyn)
3	1	Tournament Cape Winelands Schools Trials 1 2020				Tournament Cape Winelands Schools Trials 1 2020
		date 2020-02-08	rnd 2	type Rapid	result 0.5	date 2020-02-08	rnd 2	type Rapid	result 0.5
		Opponent Haai, C (Caiden)				Opponent Haai, C (Caiden)

#	Games	Start				End
1	1	Tournament Paul Roos Blitz 2020				Tournament Paul Roos Blitz 2020
		date 2020-02-22	rnd 2	type Blitz	result 1	date 2020-02-22	rnd 2	type Blitz	result 1
		Opponent Ncetezo, L (Lilitha)				Opponent Ncetezo, L (Lilitha)

#	Games	Start				End
1	2	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-18	rnd 3	type Standard	result 1	date 2023-02-18	rnd 4	type Standard	result 1
		Opponent Grobbelaar, A (Aidan)				Opponent Mostert, R (Ruan)
2	2	Tournament Cape Winelands Schools Trials 1 2020				Tournament Cape Winelands Schools Trials 1 2020
		date 2020-02-08	rnd 4	type Rapid	result 1	date 2020-02-08	rnd 5	type Rapid	result 1
		Opponent Boshoff, M (Matthew)				Opponent De Villiers, P (Peter-Alan)
3	1	Tournament Paul Roos Blitz 2020				Tournament Paul Roos Blitz 2020
		date 2020-02-22	rnd 2	type Blitz	result 1	date 2020-02-22	rnd 2	type Blitz	result 1
		Opponent Ncetezo, L (Lilitha)				Opponent Ncetezo, L (Lilitha)

#	Games	Start				End
1	2	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-18	rnd 3	type Standard	result 1	date 2023-02-18	rnd 4	type Standard	result 1
		Opponent Grobbelaar, A (Aidan)				Opponent Mostert, R (Ruan)
2	1	Tournament Western Cape Schools Individuals 2019				Tournament Western Cape Schools Individuals 2019
		date 2019-05-19	rnd 6	type Standard	result 1	date 2019-05-19	rnd 6	type Standard	result 1
		Opponent Hansen, D (Damian)				Opponent Hansen, D (Damian)
3	1	Tournament Western Cape Schools Individuals 2019				Tournament Western Cape Schools Individuals 2019
		date 2019-05-18	rnd 2	type Standard	result 1	date 2019-05-18	rnd 2	type Standard	result 1
		Opponent Witbooi, S (Sergio)				Opponent Witbooi, S (Sergio)

#	Games	Start				End
1	2	Tournament Cape Winelands Schools Trials 1 2020				Tournament Cape Winelands Schools Trials 1 2020
		date 2020-02-08	rnd 4	type Rapid	result 1	date 2020-02-08	rnd 5	type Rapid	result 1
		Opponent Boshoff, M (Matthew)				Opponent De Villiers, P (Peter-Alan)
2	1	Tournament CW Schools Open 2019				Tournament CW Schools Open 2019
		date 2019-02-02	rnd 5	type Rapid	result 1	date 2019-02-02	rnd 5	type Rapid	result 1
		Opponent Titus, J (Jordyn)				Opponent Titus, J (Jordyn)
3	1	Tournament CW Schools Open 2019				Tournament CW Schools Open 2019
		date 2019-02-02	rnd 1	type Rapid	result 1	date 2019-02-02	rnd 1	type Rapid	result 1
		Opponent Myburg, H (Handre)				Opponent Myburg, H (Handre)

#	Games	Start				End
1	1	Tournament Paul Roos Blitz 2020				Tournament Paul Roos Blitz 2020
		date 2020-02-22	rnd 2	type Blitz	result 1	date 2020-02-22	rnd 2	type Blitz	result 1
		Opponent Ncetezo, L (Lilitha)				Opponent Ncetezo, L (Lilitha)

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	Myburg ,H (Handre)	2	2	425	1	1	425	1	1	425	0	0	0
1	Myburg ,H (Handre)	2	1186	1611	1	1200	1611	1	1187.2	1611	0	0	0
2	Goosen ,R (Ruan)	2	0	-425	1	0	-425	1	0	-425	0	0	0
2	Goosen ,R (Ruan)	2	1193.3	768.3	1	1200	768.3	1	1200	768.3	0	0	0
3	Milhomem ,L (Lucas)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Milhomem ,L (Lucas)	1	1248.6	823.6	1	1224.4	823.6	0	0	0	0	0	0
4	Arafat ,S (Salah)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Arafat ,S (Salah)	1	1214.9	789.9	1	1192	789.9	0	0	0	0	0	0
5	Arpin ,L (Lukas)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Arpin ,L (Lukas)	1	1336.9	911.9	1	1342	911.9	0	0	0	0	0	0
6	Niemand ,J (Jansu)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Niemand ,J (Jansu)	1	1213.2	788.2	1	1223.7	788.2	0	0	0	0	0	0
7	Small ,Q (Quade)	1	1	425	1	1	425	0	0	0	0	0	0
7	Small ,Q (Quade)	1	1143.1	1568.1	1	1200	1568.1	0	0	0	0	0	0
8	Hansen ,D (Damian)	1	1	425	1	1	425	0	0	0	0	0	0
8	Hansen ,D (Damian)	1	1209	1634	1	1209.6	1634	0	0	0	0	0	0
9	Viljoen ,L (Lucca)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Viljoen ,L (Lucca)	1	1200	775	1	1200	775	0	0	0	0	0	0
10	Grobbelaar ,A (Aidan)	1	1	425	1	1	425	0	0	0	0	0	0
10	Grobbelaar ,A (Aidan)	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 Kock, S (Stephan)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms