Chess South Africa Ratings Database

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Personal

Joseph, C (Cohen-Lee)

Chess SA id

195014475

FIDE id

Date of birth

1995-05-03 (Adult)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-06-15

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1447.5	1377.6	1247	1390
Raw rating	1447.5	1377.6	1247	1390
Weighted rating	1435.6	1372	1246.4	1350.6
Weighted performance	1291.7	1000.7	516.6	1271
Floor	947.5	904.2	747	890
K-factor	32	32	36	36
Min/Max rating change allowed	116.5	128.8	155.1	126.5
Highest rating	1447.5 2025-07-01	1404.2 2023-11-01	1247 2024-02-01	1390 2025-07-01
Highest raw rating	1447.5 2025-07-01	1404.2 2023-11-01	1247 2024-02-01	1390 2025-07-01
Highest weighted rating	1432.4 2025-08-01	1404.2 2024-01-01	1244.8 2025-08-01	1338.9 2025-08-01
Highest weighted performance	1433.2 2022-07-01	1392.6 2022-10-01	718.3 2025-01-01	1388.2 2025-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1447.5	1377.6	1247	1390
Analysis
Rating	1447.5	1377.6	1247	1390
Raw rating	1447.5	1377.6	1247	1390
Weighted rating	1435.6	1372	1246.4
Weighted performance	1291.7	1000.7	516.6
K-factor	32	32	36	36
Floor	947.5	904.2	747	890
Max/Min rating change allowed	116.5	128.8	155.1	126.5
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	1447.5	1377.6	1247	1390
New weighted rating	1437.1	1372.5	1246.8	1355.7
New weighted performance	1291.2	1000.2	516.2	1270.5
Temp new rating	1447.5	1377.6	1247	1390
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1447.5	1377.6	1247	1390
New K-factor	32	32	36	36
New floor	947.5	904.2	747	890

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	10	4	0	6
	38	8	0	30
	16	10	0	6
	43	22	11	10
	11	11	0	0
History	278	165	55	58

Games since
	Main 64	Standard 22		Rapid 0		Blitz 42
Gender	Male
Age group	Adult
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	1681		507		130
Male	1417		412		107
Adult	465		127		27
Adult Male	432		114		26
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	192		80		28
Male	184		76		27
Adult	147		64		21
Adult Male	141		61		20


	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	10	6.5	65	127.5	1530.1	1657.6
Standard	4	1.5	37.5	-106.2	1527.1	1420.8
Rapid	0	0	0	0	0	0
Blitz	6	5	83.33	283.3	1532.1	1815.4
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	163	83	50.92	7.8	1407.4	1415.2
Standard	75	36.5	48.67	-11.3	1388.9	1377.6
Rapid	30	17	56.67	56.7	1267.4	1324.1
Blitz	58	29.5	50.86	7.3	1503.7	1511

Date	Main	Standard	Rapid	Blitz
2025-09-30	1447.5	1377.6	1247	1390
2025-09-01	1447.5	1377.6	1247	1390
2025-08-01	1447.5	1377.6	1247	1390
2025-07-01	1447.5	1377.6	1247	1390
2025-06-01	1433.8	1372.2	1247	1349.8
2025-05-01	1433.8	1372.2	1247	1349.8
2025-04-01	1433.8	1372.2	1247	1349.8
2025-03-01	1433.8	1372.2	1247	1349.8
2025-02-01	1433.8	1372.2	1247	1349.8
2025-01-01	1433.8	1367.4	1247	1349.8
2024-12-01	1433.8	1367.4	1247	1349.8
2024-11-01	1433.8	1367.4	1247	1349.8
2024-10-01	1429.3	1366.8	1247	1326.4
2024-09-01	1429.3	1366.8	1247	1326.4
2024-08-01	1429.3	1366.8	1247	1326.4
2024-07-01	1424.6	1366.8	1247	1313.9
2024-06-01	1424.6	1366.8	1247	1313.9
2024-08-01	1426.4	1366.8	1247	1317.4
2024-04-01	1419	1366.8	1247	1272.6
2024-03-01	1419	1366.8	1247	1272.6
2024-02-01	1419	1366.8	1247	1272.6
2024-01-01	1433.1	1378.3	1247	1272.6
2023-12-01	1396.9	1378.3	1182.1	1226.8
2023-11-01	1396.9	1378.3	1182.1	1226.8

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 WC Rural Cup (Open)	2025-06-14	2025-06-15	Standard	Eden (WEG)	6	4	1.5	Yes	Analysis
2	InterClub Blitz 3 2025	2025-06-12	2025-06-12	Blitz	Eden (WEG)	6	6	5	Yes	Analysis
3	InterClub Blitz 2 2025	2025-05-08	2025-05-08	Blitz	Eden (WEG)	10	0	0	No	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 WC Rural Cup (Open)	2025-06-14	2025-06-15	Standard	Eden (WEG)	6	4	1.5	Yes	Analysis
2	InterClub Blitz 3 2025	2025-06-12	2025-06-12	Blitz	Eden (WEG)	6	6	5	Yes	Analysis
3	InterClub Blitz 2 2025	2025-05-08	2025-05-08	Blitz	Eden (WEG)	10	0	0	No	Analysis
4	Eden Chess Union League 2024 (Premier)	2024-10-12	2024-10-12	Standard	Eden (WEG)	5	2	0.5	Yes	Analysis
5	InterClub Blitz 5 2024	2024-10-07	2024-10-07	Blitz	Eden (WEG)	6	6	3.5	Yes	Analysis
6	InterClub Blitz 3 Open 2024	2024-07-18	2024-07-18	Blitz	Eden (WEG)	10	8	5.5	Yes	Analysis
7	InterClub Blitz 2 2024	2024-05-16	2024-05-16	Blitz	Eden (WEG)	10	8	2	Yes	Analysis
8	InterClub Blitz 1 2024	2024-04-17	2024-04-17	Blitz	Eden (WEG)	10	8	4.5	Yes	Analysis
9	Eden Closed 2024 (Men)	2024-01-20	2024-01-21	Standard	Eden (WEG)	6	6	2	Yes	Analysis
10	Eden Chess Union League 2023 (Premier Division)	2023-11-11	2023-11-11	Standard	Eden (WEG)	5	5	1	Yes	Analysis
11	Western Cape Club Championships 2023 (Tier 2)	2023-10-21	2023-10-22	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis
12	InterClub Blitz 2023	2023-10-11	2023-10-11	Blitz	Eden (WEG)	6	6	2.5	Yes	Analysis
13	Mossel Bay Open 2022 (A)	2022-09-30	2022-10-02	Standard	Eden (WEG)	6	6	3	Yes	Analysis
14	Pacaltsdorp Chess Club 2022 (A)	2022-08-27	2022-08-27	Rapid	Eden (WEG)	6	6	3	Yes	Analysis
15	South African Open 2022 (B)	2022-07-09	2022-07-17	Standard	Cape Town (WCT)	11	11	6	Yes	Analysis
16	South African Open 2022 (Blitz)	2022-07-14	2022-07-14	Blitz	Cape Town (WCT)	10	10	5	Yes	Analysis
17	OCF Youth Day Tournament 2022 (A)	2022-06-18	2022-06-18	Rapid	Overberg (WOS)	5	5	3.5	Yes	Analysis
18	George Open 2022 (A)	2022-06-11	2022-06-11	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis
19	Western Cape Club Championships 2021 (A)	2021-10-15	2021-10-17	Standard	Eden (WEG)	6	6	2	Yes	Analysis
20	Eden Chess League 2021 (Premier)	2021-08-14	2021-08-15	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis
21	Mossel Bay Chess Open 2019 (B)	2019-10-04	2019-10-05	Standard	Eden (WEG)	6	6	5	Yes	Analysis
22	Eden Chess League 2019 (1st Division)	2019-08-17	2019-08-24	Standard	Eden (WEG)	6	3	2	Yes	Analysis
23	Oyster Rapid Chess Festival 2019	2019-06-30	2019-06-30	Rapid	Eden (WEG)	6	6	3.5	Yes	Analysis
24	Eden Chess League 2018 (2nd Division)	2018-09-01	2018-09-01	Rapid	Eden (WEG)	7	7	3	Yes	Analysis
25	Oyster Rapid 2018	2018-07-07	2018-07-07	Rapid	Eden (WEG)	6	6	4	Yes	Analysis
26	Pacaltsdorp Chess Club Open 2018 (B)	2018-05-25	2018-05-26	Standard	Eden (WEG)	6	6	5	Yes	Analysis
27	Western Cape Club Championships 2018	2018-03-16	2018-03-17	Standard	Eden (WEG)	6	5	1	Yes	Analysis
28	South African Junior Blitz 2017 Championships (A)	2018-01-07	2018-01-07	Blitz	4 Knights (4K)	7	6	1.5	Yes	Analysis

#	Games	Start				End
1	7	Tournament InterClub Blitz 3 Open 2024				Tournament InterClub Blitz 5 2024
		date 2024-07-18	rnd 3	type Blitz	result 1	date 2024-10-07	rnd 1	type Blitz	result 0.5
		Opponent Quirk, T (Terence)				Opponent Claassen, M (Maurice)
2	6	Tournament Eden Chess Union League 2024				Tournament InterClub Blitz 3 2025
		date 2024-10-12	rnd 5	type Standard	result 0.5	date 2025-06-12	rnd 5	type Blitz	result 1
		Opponent Nortje, P (Pieter)				Opponent Bukula, S (Sivuyisile)
3	6	Tournament South African Open 2022				Tournament South African Open 2022
		date 2022-07-09	rnd 2	type Standard	result 1	date 2022-07-13	rnd 7	type Standard	result 1
		Opponent Preston, W (Waylon)				Opponent Du Plessis, A (Arno)

#	Games	Start				End
1	6	Tournament South African Open 2022				Tournament South African Open 2022
		date 2022-07-09	rnd 2	type Standard	result 1	date 2022-07-13	rnd 7	type Standard	result 1
		Opponent Preston, W (Waylon)				Opponent Du Plessis, A (Arno)
2	4	Tournament Mossel Bay Chess Open 2019				Tournament Eden Chess League 2021
		date 2019-10-05	rnd 4	type Standard	result 1	date 2021-08-14	rnd 1	type Standard	result 1
		Opponent Kruger, S (Sachin)				Opponent Barnard, B (Brendon)
3	4	Tournament Pacaltsdorp Chess Club Open 2018				Tournament Pacaltsdorp Chess Club Open 2018
		date 2018-05-25	rnd 1	type Standard	result 1	date 2018-05-26	rnd 4	type Standard	result 1
		Opponent Plaatjies, S (Shaamilah)				Opponent Jacobs, V (Vaudan)

#	Games	Start				End
1	5	Tournament Oyster Rapid Chess Festival 2019				Tournament OCF Youth Day Tournament 2022
		date 2019-06-30	rnd 4	type Rapid	result 1	date 2022-06-18	rnd 2	type Rapid	result 1
		Opponent Greef, J (Joran)				Opponent Harmse, J (Jaques)
2	3	Tournament Pacaltsdorp Chess Club 2022				Tournament Pacaltsdorp Chess Club 2022
		date 2022-08-27	rnd 4	type Rapid	result 1	date 2022-08-27	rnd 6	type Rapid	result 1
		Opponent Du Plessis, A (Arno)				Opponent Swart, S (Sune)
3	3	Tournament Eden Chess League 2018				Tournament Eden Chess League 2018
		date 2018-09-01	rnd 1	type Rapid	result 0.5	date 2018-09-01	rnd 3	type Rapid	result 1
		Opponent Jaars, T (Thomas)				Opponent Witbooi, L (Leighton)

#	Games	Start				End
1	8	Tournament InterClub Blitz 5 2024				Tournament InterClub Blitz 3 2025
		date 2024-10-07	rnd 4	type Blitz	result 1	date 2025-06-12	rnd 5	type Blitz	result 1
		Opponent Jaars, T (Thomas)				Opponent Bukula, S (Sivuyisile)
2	7	Tournament InterClub Blitz 3 Open 2024				Tournament InterClub Blitz 5 2024
		date 2024-07-18	rnd 3	type Blitz	result 1	date 2024-10-07	rnd 1	type Blitz	result 0.5
		Opponent Quirk, T (Terence)				Opponent Claassen, M (Maurice)
3	5	Tournament InterClub Blitz 1 2024				Tournament InterClub Blitz 2 2024
		date 2024-04-17	rnd 5	type Blitz	result 1	date 2024-05-16	rnd 1	type Blitz	result 1
		Opponent Campbell, G (Grant)				Opponent Hone, R (Ryan)

#	Games	Start				End
1	5	Tournament InterClub Blitz 3 2025				Tournament InterClub Blitz 3 2025
		date 2025-06-12	rnd 1	type Blitz	result 1	date 2025-06-12	rnd 5	type Blitz	result 1
		Opponent Rens, B (Beauwin)				Opponent Bukula, S (Sivuyisile)
2	5	Tournament InterClub Blitz 1 2024				Tournament InterClub Blitz 2 2024
		date 2024-04-17	rnd 5	type Blitz	result 1	date 2024-05-16	rnd 1	type Blitz	result 1
		Opponent Campbell, G (Grant)				Opponent Hone, R (Ryan)
3	4	Tournament Mossel Bay Chess Open 2019				Tournament Eden Chess League 2021
		date 2019-10-05	rnd 4	type Standard	result 1	date 2021-08-14	rnd 1	type Standard	result 1
		Opponent Kruger, S (Sachin)				Opponent Barnard, B (Brendon)

#	Games	Start				End
1	4	Tournament Mossel Bay Chess Open 2019				Tournament Eden Chess League 2021
		date 2019-10-05	rnd 4	type Standard	result 1	date 2021-08-14	rnd 1	type Standard	result 1
		Opponent Kruger, S (Sachin)				Opponent Barnard, B (Brendon)
2	4	Tournament Pacaltsdorp Chess Club Open 2018				Tournament Pacaltsdorp Chess Club Open 2018
		date 2018-05-25	rnd 1	type Standard	result 1	date 2018-05-26	rnd 4	type Standard	result 1
		Opponent Plaatjies, S (Shaamilah)				Opponent Jacobs, V (Vaudan)
3	3	Tournament South African Open 2022				Tournament South African Open 2022
		date 2022-07-11	rnd 5	type Standard	result 1	date 2022-07-13	rnd 7	type Standard	result 1
		Opponent Beukes, J (Jamie-Nicole)				Opponent Du Plessis, A (Arno)

#	Games	Start				End
1	3	Tournament Pacaltsdorp Chess Club 2022				Tournament Pacaltsdorp Chess Club 2022
		date 2022-08-27	rnd 4	type Rapid	result 1	date 2022-08-27	rnd 6	type Rapid	result 1
		Opponent Du Plessis, A (Arno)				Opponent Swart, S (Sune)
2	3	Tournament Oyster Rapid 2018				Tournament Oyster Rapid 2018
		date 2018-07-07	rnd 1	type Rapid	result 1	date 2018-07-07	rnd 3	type Rapid	result 1
		Opponent Stafford, P (Paul)				Opponent Matthee, M (Morne)
3	2	Tournament OCF Youth Day Tournament 2022				Tournament OCF Youth Day Tournament 2022
		date 2022-06-18	rnd 1	type Rapid	result 1	date 2022-06-18	rnd 2	type Rapid	result 1
		Opponent Crookes, J (Jonas)				Opponent Harmse, J (Jaques)

#	Games	Start				End
1	8	Tournament InterClub Blitz 5 2024				Tournament InterClub Blitz 3 2025
		date 2024-10-07	rnd 4	type Blitz	result 1	date 2025-06-12	rnd 5	type Blitz	result 1
		Opponent Jaars, T (Thomas)				Opponent Bukula, S (Sivuyisile)
2	5	Tournament InterClub Blitz 1 2024				Tournament InterClub Blitz 2 2024
		date 2024-04-17	rnd 5	type Blitz	result 1	date 2024-05-16	rnd 1	type Blitz	result 1
		Opponent Campbell, G (Grant)				Opponent Hone, R (Ryan)
3	3	Tournament InterClub Blitz 3 Open 2024				Tournament InterClub Blitz 3 Open 2024
		date 2024-07-18	rnd 3	type Blitz	result 1	date 2024-07-18	rnd 5	type Blitz	result 1
		Opponent Quirk, T (Terence)				Opponent Van Wyngaard, L (Luke Jarryd)

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	Jaars ,T (Thomas)	8	1.5	-265.6	1	0	-425	1	0.5	0	6	1	-283.3
1	Jaars ,T (Thomas)	8	1555.3	1289.7	1	1510.4	1130.3	1	1255.2	1555.3	6	1500.8	1272
2	Meyer ,J (Jared)	5	1.5	-170	5	1.5	-170	0	0	0	0	0	0
2	Meyer ,J (Jared)	5	1516.4	1346.4	5	1507.2	1346.4	0	0	0	0	0	0
3	Cloete ,R (Ralph)	4	0	-425	2	0	-425	2	0	-425	0	0	0
3	Cloete ,R (Ralph)	4	1436.8	1011.8	2	1486.6	1011.8	2	1418.1	1011.8	0	0	0
4	Campbell ,G (Grant)	4	2	0	2	0	-425	0	0	0	2	2	425
4	Campbell ,G (Grant)	4	1478.7	1478.7	2	1429.6	1053.7	0	0	0	2	1565.9	1903.7
5	Botha ,R (Ralph)	4	1	-212.5	1	0	-425	1	0	-425	2	1	0
5	Botha ,R (Ralph)	4	1284.7	1072.2	1	830	859.7	1	830	859.7	2	1778.8	1284.7
6	Swart ,S (Sune)	4	1.5	-106.2	0	0	0	1	1	425	3	0.5	-283.3
6	Swart ,S (Sune)	4	1476.2	1369.9	0	0	0	1	1215.1	1901.2	3	1423.9	1192.9
7	Van Wyngaard ,L (Luke Jarryd)	4	3.5	318.8	0	0	0	0	0	0	4	3.5	318.8
7	Van Wyngaard ,L (Luke Jarryd)	4	1249.7	1568.4	0	0	0	0	0	0	4	1212.8	1568.4
8	Campher ,K (Keegan)	3	0.5	-283.3	2	0	-425	0	0	0	1	0.5	0
8	Campher ,K (Keegan)	3	1654.5	1371.1	2	1666.9	1229.5	0	0	0	1	1207.7	1654.5
9	Jansen Van Rensburg ,R (Ruan)	3	1.5	0	2	1	0	0	0	0	1	0.5	0
9	Jansen Van Rensburg ,R (Ruan)	3	1441.5	1441.5	2	1395.8	1441.5	0	0	0	1	1345.1	1441.5
10	Johnson ,A (Azriel)	3	1.5	0	1	0.5	0	1	0	-425	1	1	425
10	Johnson ,A (Azriel)	3	1336.3	1336.3	1	1346	1336.3	1	1056.1	911.3	1	1041.3	1761.3

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Joseph, C (Cohen-Lee)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms