Chess South Africa Ratings Database

PLAYER PAGE

Personal

Kees, R (Riaan)

Chess SA id

1050150688

FIDE id

Date of birth

2005-05-23 (Adult)

Gender

Male

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-10-28

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1152.2	1200	1082.5	1200
Raw rating	1152.2	1200	1082.5	1200
Weighted rating	1152.1	1200	1082.5	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	177.5	165.8	196	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1200 2024-03-01	1200 2019-12-01	1200 2024-03-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2024-03-01	1200 2019-12-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1152.2	1200	1082.5	1200
Analysis
Rating	1152.2	1200	1082.5	1200
Raw rating	1152.2	1200	1082.5	1200
Weighted rating	1152.1	1200	1082.5
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	177.5	165.8	196	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	1152.2	1200	1082.5	1200
New weighted rating	1152.1	1200	1082.5	1200
New weighted performance	0	0	0	0
Temp new rating	1152.2	1200	1082.5	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1152.2	1200	1082.5	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Rapid
	0	0
	0	0
	0	0
	19	19
	0	0
	0	0
History	19	19

Games since
	Main 5	Standard 0		Rapid 5		Blitz 0
Gender	Male
Age group	Adult
Region	Overberg (WOS)
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	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	19	6	31.58	-156.6	1210	1053.4
Standard	0	0	0	0	0	0
Rapid	19	6	31.58	-156.6	1210	1053.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1152.2	1200	1082.5	1200
2025-09-01	1152.2	1200	1082.5	1200
2025-08-01	1152.2	1200	1082.5	1200
2025-07-01	1152.2	1200	1082.5	1200
2025-06-01	1152.2	1200	1082.5	1200
2025-05-01	1152.2	1200	1082.5	1200
2025-04-01	1152.2	1200	1082.4	1200
2025-03-01	1152.2	1200	1082.4	1200
2025-02-01	1152.2	1200	1082.4	1200
2025-01-01	1152	1200	1082.4	1200
2024-12-01	1152	1200	1082.4	1200
2024-11-01	1152	1200	1082.4	1200
2024-10-01	1152	1200	1082.4	1200
2024-09-01	1152	1200	1082.4	1200
2024-08-01	1152	1200	1082.4	1200
2024-07-01	1152	1200	1082.4	1200
2024-06-01	1152	1200	1082.4	1200
2024-08-01	1152	1200	1082.4	1200
2024-04-01	1152	1200	1082.4	1200
2024-03-01	1152	1200	1082.4	1200
2024-02-01	1152	1200	1082.4	1200
2024-01-01	1152	1200	1082.4	1200
2023-12-01	1152	1200	1082.4	1200
2023-11-01	1152	1200	1082.4	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	Kingsway Open 2023 (Open)	2023-10-28	2023-10-28	Rapid	Overberg (WOS)	5	5	2	Yes	Analysis
2	Hermanus Chess Club Rapid 2023 (A)	2023-08-26	2023-08-26	Rapid	Overberg (WOS)	5	4	2	Yes	Analysis
3	Overberg High Schools Trails 2023 (U17)	2023-02-24	2023-02-24	Rapid	Overberg (WOS)	5	5	0	Yes	Analysis
4	Overberg Schools Open Tournament 2023 (U18)	2023-02-11	2023-02-11	Rapid	Overberg (WOS)	5	5	2	Yes	Analysis

#	Games	Start				End
1	3	Tournament Hermanus Chess Club Rapid 2023				Tournament Kingsway Open 2023
		date 2023-08-26	rnd 3	type Rapid	result 1	date 2023-10-28	rnd 1	type Rapid	result 1
		Opponent Thompson, G (Gerrit)				Opponent Laing, E (Elizma)
2	2	Tournament Overberg Schools Open Tournament 2023				Tournament Overberg Schools Open Tournament 2023
		date 2023-02-11	rnd 4	type Rapid	result 1	date 2023-02-11	rnd 5	type Rapid	result 1
		Opponent Dyanti, J (Jonte)				Opponent Marinus, L (Letecia)
3	1	Tournament Kingsway Open 2023				Tournament Kingsway Open 2023
		date 2023-10-28	rnd 4	type Rapid	result 1	date 2023-10-28	rnd 4	type Rapid	result 1
		Opponent Pietersen, B (Beverly)				Opponent Pietersen, B (Beverly)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Hermanus Chess Club Rapid 2023				Tournament Kingsway Open 2023
		date 2023-08-26	rnd 3	type Rapid	result 1	date 2023-10-28	rnd 1	type Rapid	result 1
		Opponent Thompson, G (Gerrit)				Opponent Laing, E (Elizma)
2	2	Tournament Overberg Schools Open Tournament 2023				Tournament Overberg Schools Open Tournament 2023
		date 2023-02-11	rnd 4	type Rapid	result 1	date 2023-02-11	rnd 5	type Rapid	result 1
		Opponent Dyanti, J (Jonte)				Opponent Marinus, L (Letecia)
3	1	Tournament Kingsway Open 2023				Tournament Kingsway Open 2023
		date 2023-10-28	rnd 4	type Rapid	result 1	date 2023-10-28	rnd 4	type Rapid	result 1
		Opponent Pietersen, B (Beverly)				Opponent Pietersen, B (Beverly)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Hermanus Chess Club Rapid 2023				Tournament Kingsway Open 2023
		date 2023-08-26	rnd 3	type Rapid	result 1	date 2023-10-28	rnd 1	type Rapid	result 1
		Opponent Thompson, G (Gerrit)				Opponent Laing, E (Elizma)
2	2	Tournament Overberg Schools Open Tournament 2023				Tournament Overberg Schools Open Tournament 2023
		date 2023-02-11	rnd 4	type Rapid	result 1	date 2023-02-11	rnd 5	type Rapid	result 1
		Opponent Dyanti, J (Jonte)				Opponent Marinus, L (Letecia)
3	1	Tournament Kingsway Open 2023				Tournament Kingsway Open 2023
		date 2023-10-28	rnd 4	type Rapid	result 1	date 2023-10-28	rnd 4	type Rapid	result 1
		Opponent Pietersen, B (Beverly)				Opponent Pietersen, B (Beverly)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Hermanus Chess Club Rapid 2023				Tournament Kingsway Open 2023
		date 2023-08-26	rnd 3	type Rapid	result 1	date 2023-10-28	rnd 1	type Rapid	result 1
		Opponent Thompson, G (Gerrit)				Opponent Laing, E (Elizma)
2	2	Tournament Overberg Schools Open Tournament 2023				Tournament Overberg Schools Open Tournament 2023
		date 2023-02-11	rnd 4	type Rapid	result 1	date 2023-02-11	rnd 5	type Rapid	result 1
		Opponent Dyanti, J (Jonte)				Opponent Marinus, L (Letecia)
3	1	Tournament Kingsway Open 2023				Tournament Kingsway Open 2023
		date 2023-10-28	rnd 4	type Rapid	result 1	date 2023-10-28	rnd 4	type Rapid	result 1
		Opponent Pietersen, B (Beverly)				Opponent Pietersen, B (Beverly)

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	Thompson ,G (Gerrit)	3	1	-141.7	0	0	0	3	1	-141.7	0	0	0
1	Thompson ,G (Gerrit)	3	1162.7	1021	0	0	0	3	1120.7	1021	0	0	0
2	Laing ,E (Elizma)	2	2	425	0	0	0	2	2	425	0	0	0
2	Laing ,E (Elizma)	2	1182.4	1607.4	0	0	0	2	1160.4	1607.4	0	0	0
3	Marinus ,L (Letecia)	2	1	0	0	0	0	2	1	0	0	0	0
3	Marinus ,L (Letecia)	2	1200	1200	0	0	0	2	1200	1200	0	0	0
4	Hendricks ,P (Philando)	2	0	-425	0	0	0	2	0	-425	0	0	0
4	Hendricks ,P (Philando)	2	1166.5	741.5	0	0	0	2	1099.6	741.5	0	0	0
5	Brand ,F (Francois)	1	0	-425	0	0	0	1	0	-425	0	0	0
5	Brand ,F (Francois)	1	1187.8	762.8	0	0	0	1	1151.4	762.8	0	0	0
6	Pietersen ,B (Beverly)	1	1	425	0	0	0	1	1	425	0	0	0
6	Pietersen ,B (Beverly)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
7	Stander ,D (Divan)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Stander ,D (Divan)	1	1238.6	813.6	0	0	0	1	1059.6	813.6	0	0	0
8	Dyanti ,J (Jonte)	1	1	425	0	0	0	1	1	425	0	0	0
8	Dyanti ,J (Jonte)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
9	Pappas ,C (Clayton)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Pappas ,C (Clayton)	1	1200	775	0	0	0	1	1200	775	0	0	0
10	Samuels ,Z (Zeldo)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Samuels ,Z (Zeldo)	1	1076.4	651.4	0	0	0	1	1110.4	651.4	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

Kees, R (Riaan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms