Chess South Africa Ratings Database

PLAYER PAGE

Personal

Brown, D (David)

Chess SA id

175064824

FIDE id

Date of birth

1975-12-28 (Adult)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-02-23

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1250.5	1221.5	1300	1300
Raw rating	1250.5	1221.5	1300	1300
Weighted rating	1249.7	1220.8	1299	1299
Weighted performance	0	0	0	0
Floor	750.5	721.5	800	800
K-factor	36	36	36	36
Min/Max rating change allowed	154.3	160.8	143.8	143.8
Highest rating	1250.5 2024-02-01	1221.5 2024-02-01	1300 2024-02-01	1300 2024-02-01
Highest raw rating	1250.5 2024-02-01	1221.5 2024-02-01	1300 2024-02-01	1300 2024-02-01
Highest weighted rating	1247.6 2025-08-01	1219.3 2025-08-01	1296.7 2025-08-01	1296.7 2025-08-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1250.5	1221.5	1300	1300
Analysis
Rating	1250.5	1221.5	1300	1300
Raw rating	1250.5	1221.5	1300	1300
Weighted rating	1249.7	1220.8	1299
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	750.5	721.5	800	800
Max/Min rating change allowed	154.3	160.8	143.8	143.8
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	1250.5	1221.5	1300	1300
New weighted rating	1250.2	1221.3	1299.7	1299.7
New weighted performance	0	0	0	0
Temp new rating	1250.5	1221.5	1300	1300
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1250.5	1221.5	1300	1300
New K-factor	36	36	36	36
New floor	750.5	721.5	800	800

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	27	27

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
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	11	4.5	40.91	-77.3	1160	1082.8
Standard	11	4.5	40.91	-77.3	1160	1082.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1250.5	1221.5	1300	1300
2025-09-01	1250.5	1221.5	1300	1300
2025-08-01	1250.5	1221.5	1300	1300
2025-07-01	1250.5	1221.5	1300	1300
2025-06-01	1250.5	1221.5	1300	1300
2025-05-01	1250.5	1221.5	1300	1300
2025-04-01	1250.5	1221.5	1300	1300
2025-03-01	1250.5	1221.5	1300	1300
2025-02-01	1250.5	1221.5	1300	1300
2025-01-01	1250.5	1221.5	1300	1300
2024-12-01	1250.5	1221.5	1300	1300
2024-11-01	1250.5	1221.5	1300	1300
2024-10-01	1250.5	1221.5	1300	1300
2024-09-01	1250.5	1221.5	1300	1300
2024-08-01	1250.5	1221.5	1300	1300
2024-07-01	1250.5	1221.5	1300	1300
2024-06-01	1250.5	1221.5	1300	1300
2024-08-01	1250.5	1221.5	1300	1300
2024-04-01	1250.5	1221.5	1300	1300
2024-03-01	1250.5	1221.5	1300	1300
2024-02-01	1250.5	1221.5	1300	1300
2024-01-01	1250.5	1221.5	1300	1300
2023-12-01	1161.5	1155.6	1200	1200
2023-11-01	1161.5	1155.6	1200	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	JNW Club - Trinityhouse Little Falls Open 2019 (Adult)	2019-02-23	2019-02-23	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
2	JNW Club - Trinityhouse Little Falls Open 2018 (B)	2018-02-16	2018-02-17	Standard	Johannesburg Metro (GJM)	6	6	1.5	Yes	Analysis

#	Games	Start				End
1	3	Tournament JNW Club - Trinityhouse Little Falls Open 2019				Tournament JNW Club - Trinityhouse Little Falls Open 2019
		date 2019-02-23	rnd 2	type Standard	result 1	date 2019-02-23	rnd 4	type Standard	result 1
		Opponent Dinham, J (Jenny)				Opponent Bester, M (Morne)
2	1	Tournament JNW Club - Trinityhouse Little Falls Open 2018				Tournament JNW Club - Trinityhouse Little Falls Open 2018
		date 2018-02-17	rnd 6	type Standard	result 0.5	date 2018-02-17	rnd 6	type Standard	result 0.5
		Opponent Potgieter, E (Edward)				Opponent Potgieter, E (Edward)
3	1	Tournament JNW Club - Trinityhouse Little Falls Open 2018				Tournament JNW Club - Trinityhouse Little Falls Open 2018
		date 2018-02-16	rnd 1	type Standard	result 1	date 2018-02-16	rnd 1	type Standard	result 1
		Opponent Rust, A (Alrich)				Opponent Rust, A (Alrich)

#	Games	Start				End
1	3	Tournament JNW Club - Trinityhouse Little Falls Open 2019				Tournament JNW Club - Trinityhouse Little Falls Open 2019
		date 2019-02-23	rnd 2	type Standard	result 1	date 2019-02-23	rnd 4	type Standard	result 1
		Opponent Dinham, J (Jenny)				Opponent Bester, M (Morne)
2	1	Tournament JNW Club - Trinityhouse Little Falls Open 2018				Tournament JNW Club - Trinityhouse Little Falls Open 2018
		date 2018-02-17	rnd 6	type Standard	result 0.5	date 2018-02-17	rnd 6	type Standard	result 0.5
		Opponent Potgieter, E (Edward)				Opponent Potgieter, E (Edward)
3	1	Tournament JNW Club - Trinityhouse Little Falls Open 2018				Tournament JNW Club - Trinityhouse Little Falls Open 2018
		date 2018-02-16	rnd 1	type Standard	result 1	date 2018-02-16	rnd 1	type Standard	result 1
		Opponent Rust, A (Alrich)				Opponent Rust, A (Alrich)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament JNW Club - Trinityhouse Little Falls Open 2019				Tournament JNW Club - Trinityhouse Little Falls Open 2019
		date 2019-02-23	rnd 2	type Standard	result 1	date 2019-02-23	rnd 4	type Standard	result 1
		Opponent Dinham, J (Jenny)				Opponent Bester, M (Morne)
2	1	Tournament JNW Club - Trinityhouse Little Falls Open 2018				Tournament JNW Club - Trinityhouse Little Falls Open 2018
		date 2018-02-16	rnd 1	type Standard	result 1	date 2018-02-16	rnd 1	type Standard	result 1
		Opponent Rust, A (Alrich)				Opponent Rust, A (Alrich)

#	Games	Start				End
1	3	Tournament JNW Club - Trinityhouse Little Falls Open 2019				Tournament JNW Club - Trinityhouse Little Falls Open 2019
		date 2019-02-23	rnd 2	type Standard	result 1	date 2019-02-23	rnd 4	type Standard	result 1
		Opponent Dinham, J (Jenny)				Opponent Bester, M (Morne)
2	1	Tournament JNW Club - Trinityhouse Little Falls Open 2018				Tournament JNW Club - Trinityhouse Little Falls Open 2018
		date 2018-02-16	rnd 1	type Standard	result 1	date 2018-02-16	rnd 1	type Standard	result 1
		Opponent Rust, A (Alrich)				Opponent Rust, A (Alrich)

No games found.

#	Games	Start				End

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	Laureles ,R (Raymundo)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Laureles ,R (Raymundo)	1	1694.8	1269.8	1	1691.9	1269.8	0	0	0	0	0	0
2	Kies ,M (Marko)	1	1	425	1	1	425	0	0	0	0	0	0
2	Kies ,M (Marko)	1	1066.1	1491.1	1	1066.8	1491.1	0	0	0	0	0	0
3	Moolman ,C (Conri)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Moolman ,C (Conri)	1	1200	775	1	1200	775	0	0	0	0	0	0
4	Khumalo ,L (Leeroy Duma)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Khumalo ,L (Leeroy Duma)	1	1225.2	800.2	1	1231.2	800.2	0	0	0	0	0	0
5	Bester ,M (Morne)	1	1	425	1	1	425	0	0	0	0	0	0
5	Bester ,M (Morne)	1	500	925	1	500	925	0	0	0	0	0	0
6	Rust ,A (Alrich)	1	1	425	1	1	425	0	0	0	0	0	0
6	Rust ,A (Alrich)	1	1116.7	1541.7	1	1116.7	1541.7	0	0	0	0	0	0
7	Dinham ,J (Jenny)	1	1	425	1	1	425	0	0	0	0	0	0
7	Dinham ,J (Jenny)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Jain ,P (Parth)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Jain ,P (Parth)	1	1145.4	720.4	1	1142.2	720.4	0	0	0	0	0	0
9	Steyn ,A (Alicia)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Steyn ,A (Alicia)	1	1306.4	881.4	1	1306.4	881.4	0	0	0	0	0	0
10	Van Deventer ,WG (Wilrich Gerdus)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Van Deventer ,WG (Wilrich Gerdus)	1	1304.1	879.1	1	1305.7	879.1	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Brown, D (David)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms