Chess South Africa Ratings Database

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Personal

Johnson, A (Azriel)

Chess SA id

183060789

FIDE id

Date of birth

1983-04-23 (Adult)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-08-26

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1442.7	1429	1106.6	1068.9
Raw rating	1442.7	1429	1106.6	1068.9
Weighted rating	1442.7	1429	1106.5	1068.9
Weighted performance	1004	998.7	664.5	0
Floor	942.7	929	625.7	568.9
K-factor	32	32	40	40
Min/Max rating change allowed	117.3	119.7	189.4	199.9
Highest rating	1442.7 2024-02-01	1429 2024-02-01	1200 2018-02-01	1200 2020-01-01
Highest raw rating	1442.7 2024-02-01	1429 2024-02-01	1125.7 2023-08-01	1068.9 2024-02-01
Highest weighted rating	1442.7 2025-07-01	1429 2025-07-01	1125.7 2024-11-01	1068.9 2024-11-01
Highest weighted performance	1426.9 2023-08-01	1427.2 2019-08-01	1200 2018-02-01	1200 2020-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1442.7	1429	1106.6	1068.9
Analysis
Rating	1442.7	1429	1106.6	1068.9
Raw rating	1442.7	1429	1106.6	1068.9
Weighted rating	1442.7	1429	1106.5
Weighted performance	1004	998.7	664.5
K-factor	32	32	40	40
Floor	942.7	929	625.7	568.9
Max/Min rating change allowed	117.3	119.7	189.4	199.9
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	1442.7	1429	1106.6	1068.9
New weighted rating	1442.7	1429	1106.5	1068.9
New weighted performance	1003.5	998.2	664.1	0
Temp new rating	1442.7	1429	1106.6	1068.9
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1442.7	1429	1106.6	1068.9
New K-factor	32	32	40	40
New floor	942.7	929	625.7	568.9

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	0	0	0	0
	19	11	8	0
	46	21	15	10
	14	14	0	0
History	182	143	29	10

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Eden (WEG)
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	163	71.5	43.87	-52.1	1375	1322.9
Standard	124	54.5	43.95	-51.4	1386.5	1335.1
Rapid	29	13.5	46.55	-29.3	1314.5	1285.2
Blitz	10	3.5	35	-127.5	1408	1280.5

Date	Main	Standard	Rapid	Blitz
2025-09-30	1442.7	1429	1106.6	1068.9
2025-09-01	1442.7	1429	1106.6	1068.9
2025-08-01	1442.7	1429	1106.6	1068.9
2025-07-01	1442.7	1429	1106.6	1068.9
2025-06-01	1442.7	1429	1106.6	1068.9
2025-05-01	1442.7	1429	1106.5	1068.9
2025-04-01	1442.7	1429	1106.5	1068.9
2025-03-01	1442.7	1429	1106.5	1068.9
2025-02-01	1442.7	1429	1106.5	1068.9
2025-01-01	1442.7	1429	1106.5	1068.9
2024-12-01	1442.7	1429	1106.5	1068.9
2024-11-01	1442.7	1429	1106.5	1068.9
2024-10-01	1442.7	1429	1106.5	1068.9
2024-09-01	1442.7	1429	1106.5	1068.9
2024-08-01	1442.7	1429	1106.5	1068.9
2024-07-01	1442.7	1429	1106.5	1068.9
2024-06-01	1442.7	1429	1106.5	1068.9
2024-08-01	1442.7	1429	1106.5	1068.9
2024-04-01	1442.7	1429	1106.5	1068.9
2024-03-01	1442.7	1429	1106.5	1068.9
2024-02-01	1442.7	1429	1106.5	1068.9
2024-01-01	1442.7	1429	1106.5	1068.9
2023-12-01	1442.7	1429	1106.5	1068.9
2023-11-01	1442.7	1429	1106.5	1068.9

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	Pacaltsdorp Chess Club Open 2023 (A)	2023-08-26	2023-08-26	Rapid	Eden (WEG)	6	6	2.5	Yes	Analysis
2	CW Top Schools 2023 (Advanced)	2023-08-11	2023-08-13	Standard	West Coast (WCU)	6	6	3	Yes	Analysis
3	Knysna Oyster Festival 2023 (Open)	2023-07-01	2023-07-01	Rapid	Eden (WEG)	6	2	2	Yes	Analysis
4	George Chess Club Winter Open 2023 (A)	2023-05-20	2023-05-20	Standard	Eden (WEG)	5	5	1.5	Yes	Analysis
5	George Open 2022 (A)	2022-12-03	2022-12-03	Standard	Eden (WEG)	5	5	2	Yes	Analysis
6	Mossel Bay Open 2022 (A)	2022-09-30	2022-10-02	Standard	Eden (WEG)	6	6	4	Yes	Analysis
7	Pacaltsdorp Chess Club 2022 (A)	2022-08-27	2022-08-27	Rapid	Eden (WEG)	6	6	2.5	Yes	Analysis
8	South African Open 2022 (B)	2022-07-09	2022-07-17	Standard	Cape Town (WCT)	11	10	4.5	Yes	Analysis
9	South African Open 2022 (Blitz)	2022-07-14	2022-07-14	Blitz	Cape Town (WCT)	10	10	3.5	Yes	Analysis
10	Knysna Oyster Festival Rapid Chess 2022 (A)	2022-07-02	2022-07-02	Rapid	Eden (WEG)	5	5	2.5	Yes	Analysis
11	OCF Youth Day Tournament 2022 (A)	2022-06-18	2022-06-18	Rapid	Overberg (WOS)	5	4	1	Yes	Analysis
12	Western Cape Club Championships 2021 (A)	2021-10-15	2021-10-17	Standard	Eden (WEG)	6	6	1	Yes	Analysis
13	Eden Chess League 2021 (Premier)	2021-08-14	2021-08-15	Standard	Eden (WEG)	5	2	1	Yes	Analysis
14	Eden Closed 2021 (Men)	2021-03-26	2021-03-28	Standard	Eden (WEG)	6	6	1.5	Yes	Analysis
15	George Open Chess Tournament 2019 (A)	2019-11-30	2019-12-01	Standard	Eden (WEG)	6	6	2.5	Yes	Analysis
16	Mossel Bay Chess Open 2019 (A)	2019-10-04	2019-10-05	Standard	Eden (WEG)	6	6	3	Yes	Analysis
17	2019 Western Cape Club Championship (A+B)	2019-10-25	2019-10-27	Standard	Overberg (WOS)	6	5	1	Yes	Analysis
18	Spring Open 2019 (Open)	2019-09-14	2019-09-14	Standard	Overberg (WOS)	5	5	2.5	Yes	Analysis
19	Eden Chess League 2019 (Premier)	2019-08-17	2019-08-24	Standard	Eden (WEG)	5	2	1	Yes	Analysis
20	Western Cape Womans Month Tournament 2019 (Elite)	2019-08-09	2019-08-11	Standard	West Coast (WCU)	7	7	5	Yes	Analysis
21	West Coast Open 2019 (A)	2019-04-27	2019-04-27	Standard	West Coast (WCU)	5	5	2	Yes	Analysis
22	2019 Boardwalk Pearson Open (Open)	2019-03-28	2019-03-31	Standard	Nelson Mandela Bay (ENM)	9	9	4	Yes	Analysis
23	Western Cape Chess Club Championship Dec 2018	2018-12-08	2018-12-09	Standard	Eden (WEG)	6	6	3	Yes	Analysis
24	Mossel Bay Open 2018 (A)	2018-09-28	2018-09-29	Standard	Eden (WEG)	6	6	2	Yes	Analysis
25	Eden Chess League 2018 (Premier)	2018-08-18	2018-09-01	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis
26	Oyster Rapid 2018	2018-07-07	2018-07-07	Rapid	Eden (WEG)	6	6	3	Yes	Analysis
27	Pacaltsdorp Chess Club Open 2018 (A)	2018-05-25	2018-05-26	Standard	Eden (WEG)	6	5	1.5	Yes	Analysis
28	Calitzdorp Ope 2018	2018-05-05	2018-05-05	Standard	Eden (WEG)	5	5	3	Yes	Analysis
29	Western Cape Club Championships 2018	2018-03-16	2018-03-17	Standard	Eden (WEG)	6	6	3	Yes	Analysis

#	Games	Start				End
1	9	Tournament West Coast Open 2019				Tournament Eden Chess League 2019
		date 2019-04-27	rnd 5	type Standard	result 0.5	date 2019-08-24	rnd 4	type Standard	result 1
		Opponent Julies, LR (Lyndon)				Opponent Daniels, R (Reuben)
2	6	Tournament Mossel Bay Open 2022				Tournament George Open 2022
		date 2022-10-01	rnd 2	type Standard	result 0.5	date 2022-12-03	rnd 1	type Standard	result 1
		Opponent Joseph, C (Cohen-Lee)				Opponent Taute, C (Clayden)
3	4	Tournament South African Open 2022				Tournament South African Open 2022
		date 2022-07-10	rnd 3	type Standard	result 1	date 2022-07-12	rnd 6	type Standard	result 1
		Opponent Khulu, SS (Sibahle)				Opponent Meiring, V (Victor)

#	Games	Start				End
1	9	Tournament West Coast Open 2019				Tournament Eden Chess League 2019
		date 2019-04-27	rnd 5	type Standard	result 0.5	date 2019-08-24	rnd 4	type Standard	result 1
		Opponent Julies, LR (Lyndon)				Opponent Daniels, R (Reuben)
2	6	Tournament Mossel Bay Open 2022				Tournament George Open 2022
		date 2022-10-01	rnd 2	type Standard	result 0.5	date 2022-12-03	rnd 1	type Standard	result 1
		Opponent Joseph, C (Cohen-Lee)				Opponent Taute, C (Clayden)
3	4	Tournament South African Open 2022				Tournament South African Open 2022
		date 2022-07-10	rnd 3	type Standard	result 1	date 2022-07-12	rnd 6	type Standard	result 1
		Opponent Khulu, SS (Sibahle)				Opponent Meiring, V (Victor)

#	Games	Start				End
1	3	Tournament Pacaltsdorp Chess Club 2022				Tournament Knysna Oyster Festival 2023
		date 2022-08-27	rnd 6	type Rapid	result 1	date 2023-07-01	rnd 2	type Rapid	result 1
		Opponent Kerspuy, G (Gurswin)				Opponent Raubenheimer, M (Michael)
2	2	Tournament Pacaltsdorp Chess Club Open 2023				Tournament Pacaltsdorp Chess Club Open 2023
		date 2023-08-26	rnd 5	type Rapid	result 1	date 2023-08-26	rnd 6	type Rapid	result 1
		Opponent Frans, LG (Llewellyn)				Opponent Van Staden, P (Pearson)
3	1	Tournament Pacaltsdorp Chess Club Open 2023				Tournament Pacaltsdorp Chess Club Open 2023
		date 2023-08-26	rnd 2	type Rapid	result 0.5	date 2023-08-26	rnd 2	type Rapid	result 0.5
		Opponent Malgas, G (Gladwin)				Opponent Malgas, G (Gladwin)

#	Games	Start				End
1	3	Tournament South African Open 2022				Tournament South African Open 2022
		date 2022-07-14	rnd 3	type Blitz	result 0.5	date 2022-07-14	rnd 5	type Blitz	result 1
		Opponent Mizen, D (Daniel)				Opponent Hermelin, E (Eyal)
2	1	Tournament South African Open 2022				Tournament South African Open 2022
		date 2022-07-14	rnd 9	type Blitz	result 1	date 2022-07-14	rnd 9	type Blitz	result 1
		Opponent Russell, C (Christopher)				Opponent Russell, C (Christopher)

#	Games	Start				End
1	3	Tournament Knysna Oyster Festival 2023				Tournament CW Top Schools 2023
		date 2023-07-01	rnd 1	type Rapid	result 1	date 2023-08-11	rnd 1	type Standard	result 1
		Opponent Conradie, M (Magda)				Opponent Johnson, A (Amy)
2	3	Tournament Mossel Bay Open 2022				Tournament George Open 2022
		date 2022-10-02	rnd 5	type Standard	result 1	date 2022-12-03	rnd 1	type Standard	result 1
		Opponent Claassen, R (Raynier)				Opponent Taute, C (Clayden)
3	2	Tournament Pacaltsdorp Chess Club Open 2023				Tournament Pacaltsdorp Chess Club Open 2023
		date 2023-08-26	rnd 5	type Rapid	result 1	date 2023-08-26	rnd 6	type Rapid	result 1
		Opponent Frans, LG (Llewellyn)				Opponent Van Staden, P (Pearson)

#	Games	Start				End
1	3	Tournament Mossel Bay Open 2022				Tournament George Open 2022
		date 2022-10-02	rnd 5	type Standard	result 1	date 2022-12-03	rnd 1	type Standard	result 1
		Opponent Claassen, R (Raynier)				Opponent Taute, C (Clayden)
2	2	Tournament South African Open 2022				Tournament South African Open 2022
		date 2022-07-10	rnd 3	type Standard	result 1	date 2022-07-10	rnd 4	type Standard	result 1
		Opponent Khulu, SS (Sibahle)				Opponent Van Tonder, W (Wium)
3	2	Tournament George Open Chess Tournament 2019				Tournament Eden Closed 2021
		date 2019-12-01	rnd 6	type Standard	result 1	date 2021-03-26	rnd 1	type Standard	result 1
		Opponent Grispe, I (Ivor)				Opponent Jaars, T (Thomas)

#	Games	Start				End
1	3	Tournament Pacaltsdorp Chess Club 2022				Tournament Knysna Oyster Festival 2023
		date 2022-08-27	rnd 6	type Rapid	result 1	date 2023-07-01	rnd 2	type Rapid	result 1
		Opponent Kerspuy, G (Gurswin)				Opponent Raubenheimer, M (Michael)
2	2	Tournament Pacaltsdorp Chess Club Open 2023				Tournament Pacaltsdorp Chess Club Open 2023
		date 2023-08-26	rnd 5	type Rapid	result 1	date 2023-08-26	rnd 6	type Rapid	result 1
		Opponent Frans, LG (Llewellyn)				Opponent Van Staden, P (Pearson)
3	1	Tournament Pacaltsdorp Chess Club 2022				Tournament Pacaltsdorp Chess Club 2022
		date 2022-08-27	rnd 2	type Rapid	result 1	date 2022-08-27	rnd 2	type Rapid	result 1
		Opponent Joseph, C (Cohen-Lee)				Opponent Joseph, C (Cohen-Lee)

#	Games	Start				End
1	2	Tournament South African Open 2022				Tournament South African Open 2022
		date 2022-07-14	rnd 4	type Blitz	result 1	date 2022-07-14	rnd 5	type Blitz	result 1
		Opponent Greeff, R (Reginald)				Opponent Hermelin, E (Eyal)
2	1	Tournament South African Open 2022				Tournament South African Open 2022
		date 2022-07-14	rnd 9	type Blitz	result 1	date 2022-07-14	rnd 9	type Blitz	result 1
		Opponent Russell, C (Christopher)				Opponent Russell, C (Christopher)

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	Cloete ,R (Ralph)	7	1	-303.6	5	1	-255	2	0	-425	0	0	0
1	Cloete ,R (Ralph)	7	1433	1129.4	5	1398.7	1178	2	1417.8	1008	0	0	0
2	Jaars ,T (Thomas)	6	2	-141.7	5	2	-85	1	0	-425	0	0	0
2	Jaars ,T (Thomas)	6	1407.3	1265.7	5	1408.7	1322.3	1	1181.3	982.3	0	0	0
3	Daniels ,R (Reuben)	4	1.5	-106.2	4	1.5	-106.2	0	0	0	0	0	0
3	Daniels ,R (Reuben)	4	1398.1	1291.8	4	1421.8	1291.8	0	0	0	0	0	0
4	Botha ,R (Ralph)	4	1	-212.5	2	1	0	2	0	-425	0	0	0
4	Botha ,R (Ralph)	4	1467	1254.5	2	1264.4	1467	2	1114.8	1042	0	0	0
5	Kleinhans ,T (Theo)	3	0.5	-283.3	3	0.5	-283.3	0	0	0	0	0	0
5	Kleinhans ,T (Theo)	3	1502.4	1219	3	1513.7	1219	0	0	0	0	0	0
6	Agulhas ,J (Justin)	3	0	-425	3	0	-425	0	0	0	0	0	0
6	Agulhas ,J (Justin)	3	1361.5	936.5	3	1345.2	936.5	0	0	0	0	0	0
7	Joseph ,C (Cohen-Lee)	3	1.5	0	1	0.5	0	1	1	425	1	0	-425
7	Joseph ,C (Cohen-Lee)	3	1377.2	1377.2	1	1365.1	1377.2	1	1212.2	1802.2	1	1208.9	952.2
8	Stephanus ,M (Melissa)	2	2	425	2	2	425	0	0	0	0	0	0
8	Stephanus ,M (Melissa)	2	1065.6	1490.6	2	1064.4	1490.6	0	0	0	0	0	0
9	October ,B (Bjorn)	2	0	-425	2	0	-425	0	0	0	0	0	0
9	October ,B (Bjorn)	2	1570.3	1145.3	2	1572.1	1145.3	0	0	0	0	0	0
10	Stanley ,F (Flip)	2	1	0	2	1	0	0	0	0	0	0	0
10	Stanley ,F (Flip)	2	862.2	862.2	2	862.2	862.2	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Johnson, A (Azriel)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms