Chess South Africa Ratings Database

PLAYER PAGE

Personal

Donkerman, R (Reed)

Chess SA id

1100118928

FIDE id

Date of birth

2010-04-05 (U16)

Gender

Male

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-02-08

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1152.4	1141.6	1184	1200
Raw rating	1152.4	1141.6	1184	1200
Weighted rating	1152.4	1141.6	1184	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	180.2	169.6	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2018-02-01	1200 2018-02-01	1200 2020-01-01	1200 2024-02-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1200 2020-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1152.4	1141.6	1184	1200
Analysis
Rating	1152.4	1141.6	1184	1200
Raw rating	1152.4	1141.6	1184	1200
Weighted rating	1152.4	1141.6	1184
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	177.5	180.2	169.6	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	1152.4	1141.6	1184	1200
New weighted rating	1152.4	1141.6	1184	1200
New weighted performance	0	0	0	0
Temp new rating	1152.4	1141.6	1184	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1152.4	1141.6	1184	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	11	5	6

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
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	11	3.5	31.82	-154.5	1214.4	1059.9
Standard	5	1	20	-255	1200.5	945.5
Rapid	6	2.5	41.67	-70.8	1226	1155.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1152.4	1141.6	1184	1200
2025-09-01	1152.4	1141.6	1184	1200
2025-08-01	1152.4	1141.6	1184	1200
2025-07-01	1152.4	1141.6	1184	1200
2025-06-01	1152.4	1141.6	1184	1200
2025-05-01	1152.4	1141.6	1184	1200
2025-04-01	1152.4	1141.6	1184	1200
2025-03-01	1152.4	1141.6	1184	1200
2025-02-01	1152.4	1141.6	1184	1200
2025-01-01	1152.4	1141.6	1184	1200
2024-12-01	1152.4	1141.6	1184	1200
2024-11-01	1152.4	1141.6	1184	1200
2024-10-01	1152.4	1141.6	1184	1200
2024-09-01	1152.4	1141.6	1184	1200
2024-08-01	1152.4	1141.6	1184	1200
2024-07-01	1152.4	1141.6	1184	1200
2024-06-01	1152.4	1141.6	1184	1200
2024-08-01	1152.4	1141.6	1184	1200
2024-04-01	1152.4	1141.6	1184	1200
2024-03-01	1152.4	1141.6	1184	1200
2024-02-01	1152.4	1141.6	1184	1200
2024-01-01	1152.4	1141.6	1184	1200
2023-12-01	1152.4	1141.6	1184	1200
2023-11-01	1152.4	1141.6	1184	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	Cape Winelands Schools Trials 1 2020 (U11 Boys)	2020-02-08	2020-02-08	Rapid	Cape Winelands (WCW)	6	6	2.5	Yes	Analysis
2	Western Cape Top Schools 2019 (U9 Mix)	2019-08-31	2019-09-01	Standard	Cape Winelands (WCW)	5	5	1	Yes	Analysis

#	Games	Start				End
1	3	Tournament Cape Winelands Schools Trials 1 2020				Tournament Cape Winelands Schools Trials 1 2020
		date 2020-02-08	rnd 2	type Rapid	result 1	date 2020-02-08	rnd 4	type Rapid	result 0.5
		Opponent Russel, M (Max)				Opponent Daniels, M (Matthew)
2	1	Tournament Western Cape Top Schools 2019				Tournament Western Cape Top Schools 2019
		date 2019-08-31	rnd 2	type Standard	result 1	date 2019-08-31	rnd 2	type Standard	result 1
		Opponent Cloete, R (Roger)				Opponent Cloete, R (Roger)

#	Games	Start				End
1	1	Tournament Western Cape Top Schools 2019				Tournament Western Cape Top Schools 2019
		date 2019-08-31	rnd 2	type Standard	result 1	date 2019-08-31	rnd 2	type Standard	result 1
		Opponent Cloete, R (Roger)				Opponent Cloete, R (Roger)

#	Games	Start				End
1	3	Tournament Cape Winelands Schools Trials 1 2020				Tournament Cape Winelands Schools Trials 1 2020
		date 2020-02-08	rnd 2	type Rapid	result 1	date 2020-02-08	rnd 4	type Rapid	result 0.5
		Opponent Russel, M (Max)				Opponent Daniels, M (Matthew)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Cape Winelands Schools Trials 1 2020				Tournament Cape Winelands Schools Trials 1 2020
		date 2020-02-08	rnd 2	type Rapid	result 1	date 2020-02-08	rnd 3	type Rapid	result 1
		Opponent Russel, M (Max)				Opponent Raubenheimer, A (Aiden)
2	1	Tournament Western Cape Top Schools 2019				Tournament Western Cape Top Schools 2019
		date 2019-08-31	rnd 2	type Standard	result 1	date 2019-08-31	rnd 2	type Standard	result 1
		Opponent Cloete, R (Roger)				Opponent Cloete, R (Roger)

#	Games	Start				End
1	1	Tournament Western Cape Top Schools 2019				Tournament Western Cape Top Schools 2019
		date 2019-08-31	rnd 2	type Standard	result 1	date 2019-08-31	rnd 2	type Standard	result 1
		Opponent Cloete, R (Roger)				Opponent Cloete, R (Roger)

#	Games	Start				End
1	2	Tournament Cape Winelands Schools Trials 1 2020				Tournament Cape Winelands Schools Trials 1 2020
		date 2020-02-08	rnd 2	type Rapid	result 1	date 2020-02-08	rnd 3	type Rapid	result 1
		Opponent Russel, M (Max)				Opponent Raubenheimer, A (Aiden)

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	Du Raan ,C (Cobus)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Du Raan ,C (Cobus)	1	1229.8	804.8	1	1200	804.8	0	0	0	0	0	0
2	Cloete ,R (Roger)	1	1	425	1	1	425	0	0	0	0	0	0
2	Cloete ,R (Roger)	1	1163	1588	1	1200	1588	0	0	0	0	0	0
3	Syed ,R (Rania)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Syed ,R (Rania)	1	1200	775	1	1200	775	0	0	0	0	0	0
4	Viljoen ,L (Lienka)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Viljoen ,L (Lienka)	1	1143.3	718.3	1	1127.2	718.3	0	0	0	0	0	0
5	Roodt ,R (Ruben)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Roodt ,R (Ruben)	1	1266.4	841.4	1	1279	841.4	0	0	0	0	0	0
6	Daniels ,M (Matthew)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
6	Daniels ,M (Matthew)	1	1227.4	1227.4	0	0	0	1	1174.4	1227.4	0	0	0
7	De Klerk ,H (Hanro)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	De Klerk ,H (Hanro)	1	1120.3	695.3	0	0	0	1	1073.6	695.3	0	0	0
8	Russel ,M (Max)	1	1	425	0	0	0	1	1	425	0	0	0
8	Russel ,M (Max)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
9	Geldenhuys ,L (Leathon)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Geldenhuys ,L (Leathon)	1	1346.6	921.6	0	0	0	1	1328.5	921.6	0	0	0
10	Raubenheimer ,A (Aiden)	1	1	425	0	0	0	1	1	425	0	0	0
10	Raubenheimer ,A (Aiden)	1	1191.8	1616.8	0	0	0	1	1200	1616.8	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

Donkerman, R (Reed)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms