Chess South Africa Ratings Database

PLAYER PAGE

Personal

Coetzee, D (David)

Chess SA id

107093485

FIDE id

Date of birth

2007-06-05 (U20)

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	1048.6	1064	1104.4	1110.4
Raw rating	1048.6	1064	1104.4	1110.4
Weighted rating	1048.6	1064	1104.4	1110.4
Weighted performance	195.2	0	0	0
Floor	700	700	718.8	700
K-factor	36	36	36	36
Min/Max rating change allowed	205.7	201.3	190	188.4
Highest rating	1200 2024-11-01	1200 2024-11-01	1244.9 2018-02-01	1200 2024-11-01
Highest raw rating	1200 2018-01-01	1200 2018-01-01	1218.8 2018-03-01	1200 2018-01-01
Highest weighted rating	1200 2024-11-01	1200 2024-11-01	1218.8 2018-03-01	1200 2024-11-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1244.9 2018-02-01	1200 2024-12-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1048.6	1064	1104.4	1110.4
Analysis
Rating	1048.6	1064	1104.4	1110.4
Raw rating	1048.6	1064	1104.4	1110.4
Weighted rating	1048.6	1064	1104.4
Weighted performance	195.2	0	0
K-factor	36	36	36	36
Floor	700	700	718.8	700
Max/Min rating change allowed	205.7	201.3	190	188.4
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	1048.6	1064	1104.4	1110.4
New weighted rating	1048.6	1064	1104.4	1110.4
New weighted performance	194.8	0	0	0
Temp new rating	1048.6	1064	1104.4	1110.4
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1048.6	1064	1104.4	1110.4
New K-factor	36	36	36	36
New floor	700	700	718.8	700

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
History	60	33	21	6

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U20
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	51	26.5	51.96	16.7	937.4	954.1
Standard	24	11.5	47.92	-17.7	936.3	918.6
Rapid	21	11.5	54.76	40.5	996.6	1037
Blitz	6	3.5	58.33	70.8	735	805.8

Date	Main	Standard	Rapid	Blitz
2025-09-30	1048.6	1064	1104.4	1110.4
2025-09-01	1048.6	1064	1104.4	1110.4
2025-08-01	1048.6	1064	1104.4	1110.4
2025-07-01	1048.6	1064	1104.4	1110.4
2025-06-01	1048.6	1064	1104.4	1110.4
2025-05-01	1048.6	1064	1104.4	1110.4
2025-04-01	1048.6	1064	1104.4	1110.4
2025-03-01	1048.6	1064	1104.4	1110.4
2025-02-01	1048.6	1064	1104.4	1110.4
2025-01-01	1048.6	1064	1104.4	1110.4
2024-12-01	1048.6	1064	1104.4	1110.4
2024-11-01	1048.6	1064	1104.4	1110.4
2024-10-01	1048.6	1064	1104.4	1110.4
2024-09-01	1048.6	1064	1104.4	1110.4
2024-08-01	1048.6	1064	1104.4	1110.4
2024-07-01	1048.6	1064	1104.4	1110.4
2024-06-01	1048.6	1064	1104.4	1110.4
2024-08-01	1048.6	1064	1104.4	1110.4
2024-04-01	1048.6	1064	1104.4	1110.4
2024-03-01	1048.6	1064	1104.4	1110.4
2024-02-01	1048.6	1064	1104.4	1110.4
2024-01-01	1048.6	1064	1104.4	1110.4
2023-12-01	1048.6	1064	1104.4	1110.4
2023-11-01	1048.6	1064	1104.4	1110.4

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 (U13 Boys)	2020-02-08	2020-02-08	Rapid	Cape Winelands (WCW)	6	6	3	Yes	Analysis
2	Cape Winelands Open 2019 (B)	2019-04-27	2019-04-27	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
3	Cape Winelands Schools Chess - Top Schools 2018 (U13 Mix)	2018-07-28	2018-07-28	Rapid	Cape Winelands (WCW)	5	4	0.5	Yes	Analysis
4	Western Cape Schools Individuals 2018 (U11 Boys)	2018-05-19	2018-05-20	Standard	Overberg (WOS)	6	6	3	Yes	Analysis
5	Cape Winelands Schools Trials 1 2018 (U11 Boys)	2018-03-03	2018-03-03	Rapid	Cape Winelands (WCW)	6	6	4	Yes	Analysis
6	Cape Winelands Schools Prestige 2018 (U11 Boys)	2018-03-24	2018-03-25	Standard	Cape Winelands (WCW)	7	7	4	Yes	Analysis
7	North Boland Trials 2018 (U11 Boys)	2018-02-17	2018-02-17	Rapid	Cape Winelands (WCW)	5	5	4	Yes	Analysis
8	South African Junior Blitz 2017 Championships (B)	2018-01-07	2018-01-07	Blitz	4 Knights (4K)	7	6	3.5	Yes	Analysis
9	South African Junior Team Championships 2017 (U12D)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	6	1.5	Yes	Analysis

#	Games	Start				End
1	7	Tournament North Boland Trials 2018				Tournament Cape Winelands Schools Trials 1 2018
		date 2018-02-17	rnd 3	type Rapid	result 1	date 2018-03-03	rnd 4	type Rapid	result 1
		Opponent Fortuin, R (Robin)				Opponent Geyser, JM (Jacobus)
2	3	Tournament Western Cape Schools Individuals 2018				Tournament Western Cape Schools Individuals 2018
		date 2018-05-19	rnd 4	type Standard	result 1	date 2018-05-20	rnd 6	type Standard	result 1
		Opponent Isaacs, L (Lucas)				Opponent Pretorius, JB (Johnny)
3	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 Jimlongo, L (Lolwethu)				Opponent Louw, T (Tyrique)

#	Games	Start				End
1	3	Tournament Western Cape Schools Individuals 2018				Tournament Western Cape Schools Individuals 2018
		date 2018-05-19	rnd 4	type Standard	result 1	date 2018-05-20	rnd 6	type Standard	result 1
		Opponent Isaacs, L (Lucas)				Opponent Pretorius, JB (Johnny)
2	2	Tournament Cape Winelands Open 2019				Tournament Cape Winelands Open 2019
		date 2019-04-27	rnd 2	type Standard	result 1	date 2019-04-27	rnd 3	type Standard	result 1
		Opponent Conradie, R (Robyn)				Opponent Williams, J (Jaydin)
3	2	Tournament Cape Winelands Schools Prestige 2018				Tournament Cape Winelands Schools Prestige 2018
		date 2018-03-25	rnd 6	type Standard	result 1	date 2018-03-25	rnd 7	type Standard	result 1
		Opponent Velem, R (Renico)				Opponent Roos, D (Dehan)

#	Games	Start				End
1	7	Tournament North Boland Trials 2018				Tournament Cape Winelands Schools Trials 1 2018
		date 2018-02-17	rnd 3	type Rapid	result 1	date 2018-03-03	rnd 4	type Rapid	result 1
		Opponent Fortuin, R (Robin)				Opponent Geyser, JM (Jacobus)
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 Jimlongo, L (Lolwethu)				Opponent Louw, T (Tyrique)
3	1	Tournament Cape Winelands Schools Trials 1 2020				Tournament Cape Winelands Schools Trials 1 2020
		date 2020-02-08	rnd 1	type Rapid	result 1	date 2020-02-08	rnd 1	type Rapid	result 1
		Opponent De Bruyn, F (Furlin)				Opponent De Bruyn, F (Furlin)

#	Games	Start				End
1	2	Tournament South African Junior Blitz 2017 Championships				Tournament South African Junior Blitz 2017 Championships
		date 2018-01-07	rnd 2	type Blitz	result 0.5	date 2018-01-07	rnd 3	type Blitz	result 1
		Opponent Van Zyl, WA (Waldo)				Opponent Beesley, C (Cameron)
2	1	Tournament South African Junior Blitz 2017 Championships				Tournament South African Junior Blitz 2017 Championships
		date 2018-01-07	rnd 7	type Blitz	result 1	date 2018-01-07	rnd 7	type Blitz	result 1
		Opponent Gwangwa, Q (Quraisha)				Opponent Gwangwa, Q (Quraisha)
3	1	Tournament South African Junior Blitz 2017 Championships				Tournament South African Junior Blitz 2017 Championships
		date 2018-01-07	rnd 5	type Blitz	result 1	date 2018-01-07	rnd 5	type Blitz	result 1
		Opponent Snyman, A (Alex)				Opponent Snyman, A (Alex)

#	Games	Start				End
1	7	Tournament North Boland Trials 2018				Tournament Cape Winelands Schools Trials 1 2018
		date 2018-02-17	rnd 3	type Rapid	result 1	date 2018-03-03	rnd 4	type Rapid	result 1
		Opponent Fortuin, R (Robin)				Opponent Geyser, JM (Jacobus)
2	3	Tournament Western Cape Schools Individuals 2018				Tournament Western Cape Schools Individuals 2018
		date 2018-05-19	rnd 4	type Standard	result 1	date 2018-05-20	rnd 6	type Standard	result 1
		Opponent Isaacs, L (Lucas)				Opponent Pretorius, JB (Johnny)
3	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 Jimlongo, L (Lolwethu)				Opponent Louw, T (Tyrique)

#	Games	Start				End
1	3	Tournament Western Cape Schools Individuals 2018				Tournament Western Cape Schools Individuals 2018
		date 2018-05-19	rnd 4	type Standard	result 1	date 2018-05-20	rnd 6	type Standard	result 1
		Opponent Isaacs, L (Lucas)				Opponent Pretorius, JB (Johnny)
2	2	Tournament Cape Winelands Open 2019				Tournament Cape Winelands Open 2019
		date 2019-04-27	rnd 2	type Standard	result 1	date 2019-04-27	rnd 3	type Standard	result 1
		Opponent Conradie, R (Robyn)				Opponent Williams, J (Jaydin)
3	2	Tournament Cape Winelands Schools Prestige 2018				Tournament Cape Winelands Schools Prestige 2018
		date 2018-03-25	rnd 6	type Standard	result 1	date 2018-03-25	rnd 7	type Standard	result 1
		Opponent Velem, R (Renico)				Opponent Roos, D (Dehan)

#	Games	Start				End
1	7	Tournament North Boland Trials 2018				Tournament Cape Winelands Schools Trials 1 2018
		date 2018-02-17	rnd 3	type Rapid	result 1	date 2018-03-03	rnd 4	type Rapid	result 1
		Opponent Fortuin, R (Robin)				Opponent Geyser, JM (Jacobus)
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 Jimlongo, L (Lolwethu)				Opponent Louw, T (Tyrique)
3	1	Tournament Cape Winelands Schools Trials 1 2020				Tournament Cape Winelands Schools Trials 1 2020
		date 2020-02-08	rnd 1	type Rapid	result 1	date 2020-02-08	rnd 1	type Rapid	result 1
		Opponent De Bruyn, F (Furlin)				Opponent De Bruyn, F (Furlin)

#	Games	Start				End
1	1	Tournament South African Junior Blitz 2017 Championships				Tournament South African Junior Blitz 2017 Championships
		date 2018-01-07	rnd 7	type Blitz	result 1	date 2018-01-07	rnd 7	type Blitz	result 1
		Opponent Gwangwa, Q (Quraisha)				Opponent Gwangwa, Q (Quraisha)
2	1	Tournament South African Junior Blitz 2017 Championships				Tournament South African Junior Blitz 2017 Championships
		date 2018-01-07	rnd 5	type Blitz	result 1	date 2018-01-07	rnd 5	type Blitz	result 1
		Opponent Snyman, A (Alex)				Opponent Snyman, A (Alex)
3	1	Tournament South African Junior Blitz 2017 Championships				Tournament South African Junior Blitz 2017 Championships
		date 2018-01-07	rnd 3	type Blitz	result 1	date 2018-01-07	rnd 3	type Blitz	result 1
		Opponent Beesley, C (Cameron)				Opponent Beesley, C (Cameron)

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	Davids ,R (Rafael)	3	1	-141.7	1	0	-425	2	1	0	0	0	0
1	Davids ,R (Rafael)	3	988.1	846.4	1	929.8	563.1	2	909.6	988.1	0	0	0
2	Ismail ,A (Amar)	2	0	-425	1	0	-425	1	0	-425	0	0	0
2	Ismail ,A (Amar)	2	1187.1	762.1	1	1192.8	762.1	1	1200	762.1	0	0	0
3	Sikiti ,Y (Yolani)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Sikiti ,Y (Yolani)	1	1204.9	779.9	1	1200	779.9	0	0	0	0	0	0
4	Pretorius ,JB (Johnny Barend)	1	1	425	1	1	425	0	0	0	0	0	0
4	Pretorius ,JB (Johnny Barend)	1	742.2	1167.2	1	766.8	1167.2	0	0	0	0	0	0
5	Conradie ,R (Robyn)	1	1	425	1	1	425	0	0	0	0	0	0
5	Conradie ,R (Robyn)	1	1201	1626	1	1200	1626	0	0	0	0	0	0
6	Van Der Heever ,CM (Christiaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Van Der Heever ,CM (Christiaan)	1	1200	775	1	1200	775	0	0	0	0	0	0
7	Rennie ,D (David)	1	1	425	1	1	425	0	0	0	0	0	0
7	Rennie ,D (David)	1	500	925	1	500	925	0	0	0	0	0	0
8	Isaacs ,L (Lucas)	1	1	425	1	1	425	0	0	0	0	0	0
8	Isaacs ,L (Lucas)	1	1159.8	1584.8	1	1151.6	1584.8	0	0	0	0	0	0
9	Fritz ,S (She-Earl)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Fritz ,S (She-Earl)	1	995.6	570.6	1	956.3	570.6	0	0	0	0	0	0
10	Archer ,J (Jasmyn)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
10	Archer ,J (Jasmyn)	1	633.2	633.2	1	633.2	633.2	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Coetzee, D (David)

Ratings

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Historical performance

Last 24 raw ratings

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Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms