Chess South Africa Ratings Database

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Personal

Dreyer, A (Arnold)

Chess SA id

1540116377

FIDE id

Date of birth

1954-11-13 (Adult)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-12-12

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1121.2	1158.8	1037	1300
Raw rating	1121.2	1158.8	1037	1300
Weighted rating	1119.5	1158.8	1033.4	1299.7
Weighted performance	646.8	0	643.2	0
Floor	700	700	700	800
K-factor	36	36	36	36
Min/Max rating change allowed	185.5	175.8	209.2	143.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1300 2024-02-01
Highest raw rating	1200 2018-01-01	1200 2019-12-01	1200 2018-01-01	1300 2024-02-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1296.7 2025-08-01
Highest weighted performance	1200 2018-01-01	1200 2019-12-01	1200 2018-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1121.2	1158.8	1037	1300
Analysis
Rating	1121.2	1158.8	1037	1300
Raw rating	1121.2	1158.8	1037	1300
Weighted rating	1119.5	1158.8	1033.4
Weighted performance	646.8	0	643.2
K-factor	36	36	36	36
Floor	700	700	700	800
Max/Min rating change allowed	185.5	175.8	209.2	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	1121.2	1158.8	1037	1300
New weighted rating	1119.8	1158.8	1033.9	1300
New weighted performance	641	0	637.5	0
Temp new rating	1121.2	1158.8	1037	1300
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1121.2	1158.8	1037	1300
New K-factor	36	36	36	36
New floor	700	700	700	800

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	17	0	17
	5	5	0
	7	0	7
History	35	5	30

Games since
	Main 6	Standard 0		Rapid 6		Blitz 0
Gender	Male
Age group	Adult
Region	Cape Town (WCT)
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	35	11.5	32.86	-145.7	1219.2	1073.5
Standard	5	2	40	-85	1127.7	1042.7
Rapid	30	9.5	31.67	-155.8	1234.4	1078.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1121.2	1158.8	1037	1300
2025-09-30	1121.2	1158.8	1037	1300
2025-09-01	1121.2	1158.8	1037	1300
2025-08-01	1121.2	1158.8	1037	1300
2025-07-01	1121.2	1158.8	1037	1300
2025-06-01	1121.2	1158.8	1037	1300
2025-05-01	1121.2	1158.8	1037	1300
2025-04-01	1121.2	1158.8	1037	1300
2025-03-01	1121.2	1158.8	1037	1300
2025-02-01	1121.2	1158.8	1037	1300
2025-01-01	1116.5	1158.8	1026.8	1300
2024-12-01	1116.5	1158.8	1026.8	1300
2024-11-01	1116.5	1158.8	1026.8	1300
2024-10-01	1116.5	1158.8	1026.8	1300
2024-09-01	1116.5	1158.8	1026.8	1300
2024-08-01	1116.5	1158.8	1026.8	1300
2024-07-01	1116.5	1158.8	1026.8	1300
2024-09-01	1116.5	1158.8	1026.8	1300
2024-05-01	1116.5	1158.8	1026.8	1300
2024-04-01	1116.5	1158.8	1026.8	1300
2024-03-01	1116.5	1158.8	1026.8	1300
2024-02-01	1116.5	1158.8	1026.8	1300
2024-01-01	1116.5	1158.8	1026.8	1300
2023-12-01	1116.5	1158.8	1026.8	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 Town Open Chess Championship 2024 (Intermediate)	2024-03-16	2024-03-17	Standard	Cape Town (WCT)	6	0	0	No	Analysis
2	Rylib Summer Slam 2023 (Intermediate)	2023-12-12	2023-12-12	Rapid	Cape Town (WCT)	6	6	1	Yes	Analysis
3	Rylib Chess Winter Slam 2023 (B)	2023-07-06	2023-07-06	Rapid	Cape Town (WCT)	6	5	0	Yes	Analysis
4	Cape Town Open 2023 (Rapid)	2023-03-26	2023-03-26	Rapid	Cape Town (WCT)	6	6	3.5	Yes	Analysis
5	2022 Western Province Club League (D)	2022-08-27	2022-10-01	Standard	Cape Town (WCT)	7	5	2	Yes	Analysis
6	Summer Slam 2021 (Open)	2021-12-13	2021-12-13	Rapid	Cape Town (WCT)	7	7	3	Yes	Analysis
7	2019 Rylands Library Winter Slam (Intermediate)	2019-06-27	2019-06-27	Rapid	Cape Town (WCT)	6	6	2	Yes	Analysis

#	Games	Start				End
1	3	Tournament 2022 Western Province Club League				Tournament Cape Town Open 2023
		date 2022-10-01	rnd 7	type Standard	result 1	date 2023-03-26	rnd 2	type Rapid	result 1
		Opponent Fani, K (Khazimla)				Opponent Van Wyk, P (Pierre)
2	2	Tournament Cape Town Open 2023				Tournament Cape Town Open 2023
		date 2023-03-26	rnd 4	type Rapid	result 1	date 2023-03-26	rnd 5	type Rapid	result 1
		Opponent Calitz, Z (Zandre)				Opponent Van Wyk, W (Will)
3	2	Tournament Summer Slam 2021				Tournament Summer Slam 2021
		date 2021-12-13	rnd 2	type Rapid	result 1	date 2021-12-13	rnd 3	type Rapid	result 1
		Opponent Nduneni, S (Smamkele Jack)				Opponent Mayekiso, A (Amila)

#	Games	Start				End
1	1	Tournament 2022 Western Province Club League				Tournament 2022 Western Province Club League
		date 2022-10-01	rnd 7	type Standard	result 1	date 2022-10-01	rnd 7	type Standard	result 1
		Opponent Fani, K (Khazimla)				Opponent Fani, K (Khazimla)
2	1	Tournament 2022 Western Province Club League				Tournament 2022 Western Province Club League
		date 2022-08-27	rnd 2	type Standard	result 1	date 2022-08-27	rnd 2	type Standard	result 1
		Opponent Liu, A (Ava)				Opponent Liu, A (Ava)

#	Games	Start				End
1	2	Tournament Cape Town Open 2023				Tournament Cape Town Open 2023
		date 2023-03-26	rnd 4	type Rapid	result 1	date 2023-03-26	rnd 5	type Rapid	result 1
		Opponent Calitz, Z (Zandre)				Opponent Van Wyk, W (Will)
2	2	Tournament Cape Town Open 2023				Tournament Cape Town Open 2023
		date 2023-03-26	rnd 1	type Rapid	result 0.5	date 2023-03-26	rnd 2	type Rapid	result 1
		Opponent Doidge, D (Daniel)				Opponent Van Wyk, P (Pierre)
3	2	Tournament Summer Slam 2021				Tournament Summer Slam 2021
		date 2021-12-13	rnd 2	type Rapid	result 1	date 2021-12-13	rnd 3	type Rapid	result 1
		Opponent Nduneni, S (Smamkele Jack)				Opponent Mayekiso, A (Amila)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Cape Town Open 2023				Tournament Cape Town Open 2023
		date 2023-03-26	rnd 4	type Rapid	result 1	date 2023-03-26	rnd 5	type Rapid	result 1
		Opponent Calitz, Z (Zandre)				Opponent Van Wyk, W (Will)
2	2	Tournament Summer Slam 2021				Tournament Summer Slam 2021
		date 2021-12-13	rnd 2	type Rapid	result 1	date 2021-12-13	rnd 3	type Rapid	result 1
		Opponent Nduneni, S (Smamkele Jack)				Opponent Mayekiso, A (Amila)
3	1	Tournament Rylib Summer Slam 2023				Tournament Rylib Summer Slam 2023
		date 2023-12-12	rnd 5	type Rapid	result 1	date 2023-12-12	rnd 5	type Rapid	result 1
		Opponent Macilikishe, A (Ayabulela)				Opponent Macilikishe, A (Ayabulela)

#	Games	Start				End
1	1	Tournament 2022 Western Province Club League				Tournament 2022 Western Province Club League
		date 2022-10-01	rnd 7	type Standard	result 1	date 2022-10-01	rnd 7	type Standard	result 1
		Opponent Fani, K (Khazimla)				Opponent Fani, K (Khazimla)
2	1	Tournament 2022 Western Province Club League				Tournament 2022 Western Province Club League
		date 2022-08-27	rnd 2	type Standard	result 1	date 2022-08-27	rnd 2	type Standard	result 1
		Opponent Liu, A (Ava)				Opponent Liu, A (Ava)

#	Games	Start				End
1	2	Tournament Cape Town Open 2023				Tournament Cape Town Open 2023
		date 2023-03-26	rnd 4	type Rapid	result 1	date 2023-03-26	rnd 5	type Rapid	result 1
		Opponent Calitz, Z (Zandre)				Opponent Van Wyk, W (Will)
2	2	Tournament Summer Slam 2021				Tournament Summer Slam 2021
		date 2021-12-13	rnd 2	type Rapid	result 1	date 2021-12-13	rnd 3	type Rapid	result 1
		Opponent Nduneni, S (Smamkele Jack)				Opponent Mayekiso, A (Amila)
3	1	Tournament Rylib Summer Slam 2023				Tournament Rylib Summer Slam 2023
		date 2023-12-12	rnd 5	type Rapid	result 1	date 2023-12-12	rnd 5	type Rapid	result 1
		Opponent Macilikishe, A (Ayabulela)				Opponent Macilikishe, A (Ayabulela)

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	Peters ,V (Vanchasco)	2	0	-425	0	0	0	2	0	-425	0	0	0
1	Peters ,V (Vanchasco)	2	1123.4	698.4	0	0	0	2	1105.8	698.4	0	0	0
2	Fani ,K (Khazimla)	1	1	425	1	1	425	0	0	0	0	0	0
2	Fani ,K (Khazimla)	1	1297.9	1722.9	1	1300.1	1722.9	0	0	0	0	0	0
3	Gcuze ,K (Khanya)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Gcuze ,K (Khanya)	1	1188.3	763.3	1	1163.9	763.3	0	0	0	0	0	0
4	Liu ,A (Ava)	1	1	425	1	1	425	0	0	0	0	0	0
4	Liu ,A (Ava)	1	1131.3	1556.3	1	1104.4	1556.3	0	0	0	0	0	0
5	Budge ,R (Richard)	1	0	-425	0	0	0	1	0	-425	0	0	0
5	Budge ,R (Richard)	1	1218.8	793.8	0	0	0	1	1200	793.8	0	0	0
6	Doidge ,D (Daniel)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
6	Doidge ,D (Daniel)	1	1200	1200	0	0	0	1	1200	1200	0	0	0
7	Mutunhire ,R (Romeo)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Mutunhire ,R (Romeo)	1	1388.5	963.5	0	0	0	1	1219.4	963.5	0	0	0
8	Hartley ,E (Ebraheem)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Hartley ,E (Ebraheem)	1	1184.4	759.4	0	0	0	1	1101.2	759.4	0	0	0
9	Nduneni ,S (Smamkele Jack)	1	1	425	0	0	0	1	1	425	0	0	0
9	Nduneni ,S (Smamkele Jack)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
10	Dlamini ,N (Njabulo)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Dlamini ,N (Njabulo)	1	1288.2	863.2	0	0	0	1	1267.3	863.2	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Dreyer, A (Arnold)

Ratings

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Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms