Chess South Africa Ratings Database

PLAYER PAGE

Personal

Diedericks, J (Jordan)

Chess SA id

1070138858

FIDE id

Date of birth

2007-05-11 (U20)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-03-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1239.3	1230.5	1243.2	1200
Raw rating	1237.6	1228.4	1243.2	1200
Weighted rating	1239.3	1230.5	1243.2	1200
Weighted performance	1040.1	1036.1	0	0
Floor	777	764.3	743.2	700
K-factor	36	36	36	36
Min/Max rating change allowed	157.2	159.2	155.9	165.8
Highest rating	1303.9 2022-03-01	1330.5 2023-02-01	1358.9 2022-03-01	1200 2018-10-01
Highest raw rating	1277 2023-04-01	1264.3 2023-04-01	1243.2 2024-02-01	1200 2024-02-01
Highest weighted rating	1277 2023-10-01	1264.3 2023-10-01	1243.2 2024-03-01	1200 2018-10-01
Highest weighted performance	1303.9 2022-03-01	1330.5 2023-02-01	1358.9 2022-03-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0.2	0.3	0	0
New rating	1239.5	1230.8	1243.2	1200
Analysis
Rating	1239.3	1230.5	1243.2	1200
Raw rating	1237.6	1228.4	1243.2	1200
Weighted rating	1239.3	1230.5	1243.2
Weighted performance	1040.1	1036.1	0
K-factor	36	36	36	36
Floor	777	764.3	743.2	700
Max/Min rating change allowed	157.2	159.2	155.9	165.8
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	1237.6	1228.4	1243.2	1200
New weighted rating	1239.5	1230.8	1243.2	1200
New weighted performance	1032.1	1028.1	0	0
Temp new rating	1239.5	1230.8	1243.2	1200
Temp new rating +/-	0.2	0.3	0	0
Final new rating +/-	0.2	0.3	0	0
New rating	1239.5	1230.8	1243.2	1200
New K-factor	36	36	36	36
New floor	777	764.3	743.2	700

Item	Main	Standard	Rapid
	0	0	0
	12	12	0
	11	11	0
	28	23	5
	12	6	6
	0	0	0
History	63	52	11

Games since
	Main 23	Standard 23		Rapid 0		Blitz 0
Gender	Male
Age group	U20
Region	Cape Town (WCT)
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	12	5	41.67	-70.8	1281.8	1211
Standard	12	5	41.67	-70.8	1281.8	1211
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	63	30.5	48.41	-13.5	1273.5	1260
Standard	52	24	46.15	-32.7	1279.8	1247.1
Rapid	11	6.5	59.09	77.3	1243.4	1320.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1237.6	1228.4	1243.2	1200
2025-11-30	1237.6	1228.4	1243.2	1200
2025-11-01	1237.6	1228.4	1243.2	1200
2025-09-30	1237.6	1228.4	1243.2	1200
2025-09-01	1237.6	1228.4	1243.2	1200
2025-08-01	1237.6	1228.4	1243.2	1200
2025-07-01	1237.5	1228.1	1243.2	1200
2025-06-01	1237.4	1228	1243.2	1200
2025-05-01	1237.4	1227.9	1243.2	1200
2025-04-01	1237.1	1227.6	1243.2	1200
2025-03-01	1258.8	1256.6	1243.2	1200
2025-02-01	1250.4	1243.8	1243.2	1200
2025-01-01	1250.4	1243.8	1243.2	1200
2024-12-01	1250.4	1243.8	1243.2	1200
2024-11-01	1250.4	1243.8	1243.2	1200
2024-10-01	1250.4	1243.8	1243.2	1200
2024-09-01	1250.4	1243.8	1243.2	1200
2024-11-01	1250.4	1243.8	1243.2	1200
2024-07-01	1204.1	1188.7	1243.2	1200
2024-06-01	1204.1	1188.7	1243.2	1200
2024-05-01	1204.1	1188.7	1243.2	1200
2024-04-01	1204.1	1188.7	1243.2	1200
2024-03-01	1204.1	1188.7	1243.2	1200
2024-02-01	1225.9	1211.4	1243.2	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	CT Metro Schools Individual Closed 2025 (U19 Open)	2025-03-01	2025-03-02	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
2	CT Metro District East Schools Chess Individuals Trials 2025 (U18 Boys)	2025-02-01	2025-02-02	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
3	CT Metro District East Top Schools Chess 2024 (U18 Mixed)	2024-07-27	2024-07-28	Standard	Cape Town (WCT)	7	6	4.5	Yes	Analysis
4	CT District East Schools Chess Individuals Trails 2024 (U18 Boys)	2024-02-03	2024-02-03	Standard	Cape Town (WCT)	5	5	2	Yes	Analysis
5	Paarl Boys High Chess Festival 2023 (2nd Division)	2023-10-13	2023-10-14	Standard	Cape Winelands (WCW)	6	6	2	Yes	Analysis
6	CT Metro District East Top Schools Chess 2023 (U17+U19 Mixed)	2023-07-29	2023-07-29	Rapid	Cape Town (WCT)	5	5	2.5	Yes	Analysis
7	Western Cape HS Individuals 2023 (U17 Boys)	2023-04-01	2023-04-02	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
8	Cape Town Metro Schools Chess Closed Individuals 2023 (U17 Boys)	2023-03-03	2023-03-04	Standard	Cape Town (WCT)	6	5	2	Yes	Analysis
9	District East Schools Chess Individual Trials 2023 (U17 Boys)	2023-02-03	2023-02-04	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
10	Stellenberg Chess Championship 2022 (Challengers 2)	2022-06-24	2022-06-25	Standard	Cape Town (WCT)	6	6	2.5	Yes	Analysis
11	2022 East Dist Individuals (U15)	2022-03-13	2022-03-13	Rapid	Cape Town (WCT)	6	6	4	Yes	Analysis

#	Games	Start				End
1	4	Tournament CT Metro District East Top Schools Chess 2024				Tournament CT Metro District East Top Schools Chess 2024
		date 2024-07-27	rnd 1	type Standard	result 1	date 2024-07-27	rnd 4	type Standard	result 1
		Opponent Sive, M (Mathiso)				Opponent Kabuanga, A (Andre)
2	3	Tournament CT Metro District East Top Schools Chess 2024				Tournament CT Metro District East Schools Chess Individuals Trials 2025
		date 2024-07-28	rnd 6	type Standard	result 1	date 2025-02-01	rnd 2	type Standard	result 1
		Opponent Greyling, J (Johnathan)				Opponent Mphunzisa, M (Masimbonge)
3	3	Tournament Stellenberg Chess Championship 2022				Tournament District East Schools Chess Individual Trials 2023
		date 2022-06-25	rnd 6	type Standard	result 0.5	date 2023-02-03	rnd 2	type Standard	result 1
		Opponent Sobada, A (Anelisa)				Opponent Zikithi, L (Lwandle)

#	Games	Start				End
1	4	Tournament CT Metro District East Top Schools Chess 2024				Tournament CT Metro District East Top Schools Chess 2024
		date 2024-07-27	rnd 1	type Standard	result 1	date 2024-07-27	rnd 4	type Standard	result 1
		Opponent Sive, M (Mathiso)				Opponent Kabuanga, A (Andre)
2	3	Tournament CT Metro District East Top Schools Chess 2024				Tournament CT Metro District East Schools Chess Individuals Trials 2025
		date 2024-07-28	rnd 6	type Standard	result 1	date 2025-02-01	rnd 2	type Standard	result 1
		Opponent Greyling, J (Johnathan)				Opponent Mphunzisa, M (Masimbonge)
3	3	Tournament Stellenberg Chess Championship 2022				Tournament District East Schools Chess Individual Trials 2023
		date 2022-06-25	rnd 6	type Standard	result 0.5	date 2023-02-03	rnd 2	type Standard	result 1
		Opponent Sobada, A (Anelisa)				Opponent Zikithi, L (Lwandle)

#	Games	Start				End
1	3	Tournament 2022 East Dist Individuals				Tournament CT Metro District East Top Schools Chess 2023
		date 2022-03-13	rnd 5	type Rapid	result 1	date 2023-07-29	rnd 1	type Rapid	result 0.5
		Opponent Van Der Scholtz, T (Tino)				Opponent Davids, J (Justin)
2	2	Tournament CT Metro District East Top Schools Chess 2023				Tournament CT Metro District East Top Schools Chess 2023
		date 2023-07-29	rnd 3	type Rapid	result 1	date 2023-07-29	rnd 4	type Rapid	result 1
		Opponent Ngcwangu, U (Uman)				Opponent Valentyn, S (Shuaib Farouk)
3	1	Tournament 2022 East Dist Individuals				Tournament 2022 East Dist Individuals
		date 2022-03-13	rnd 3	type Rapid	result 1	date 2022-03-13	rnd 3	type Rapid	result 1
		Opponent Schaap, R (Ruben)				Opponent Schaap, R (Ruben)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament CT Metro District East Top Schools Chess 2024				Tournament CT Metro District East Schools Chess Individuals Trials 2025
		date 2024-07-28	rnd 6	type Standard	result 1	date 2025-02-01	rnd 2	type Standard	result 1
		Opponent Greyling, J (Johnathan)				Opponent Mphunzisa, M (Masimbonge)
2	3	Tournament 2022 East Dist Individuals				Tournament Stellenberg Chess Championship 2022
		date 2022-03-13	rnd 5	type Rapid	result 1	date 2022-06-24	rnd 1	type Standard	result 1
		Opponent Van Der Scholtz, T (Tino)				Opponent Naude, J (Jan-Daniel)
3	2	Tournament CT Metro District East Top Schools Chess 2024				Tournament CT Metro District East Top Schools Chess 2024
		date 2024-07-27	rnd 1	type Standard	result 1	date 2024-07-27	rnd 2	type Standard	result 1
		Opponent Sive, M (Mathiso)				Opponent Meloy, B (Beverline)

#	Games	Start				End
1	3	Tournament CT Metro District East Top Schools Chess 2024				Tournament CT Metro District East Schools Chess Individuals Trials 2025
		date 2024-07-28	rnd 6	type Standard	result 1	date 2025-02-01	rnd 2	type Standard	result 1
		Opponent Greyling, J (Johnathan)				Opponent Mphunzisa, M (Masimbonge)
2	2	Tournament CT Metro District East Top Schools Chess 2024				Tournament CT Metro District East Top Schools Chess 2024
		date 2024-07-27	rnd 1	type Standard	result 1	date 2024-07-27	rnd 2	type Standard	result 1
		Opponent Sive, M (Mathiso)				Opponent Meloy, B (Beverline)
3	2	Tournament Paarl Boys High Chess Festival 2023				Tournament Paarl Boys High Chess Festival 2023
		date 2023-10-13	rnd 3	type Standard	result 1	date 2023-10-14	rnd 4	type Standard	result 1
		Opponent Swartbooi, C (Curwin)				Opponent Moko, K (Khaya)

#	Games	Start				End
1	2	Tournament CT Metro District East Top Schools Chess 2023				Tournament CT Metro District East Top Schools Chess 2023
		date 2023-07-29	rnd 3	type Rapid	result 1	date 2023-07-29	rnd 4	type Rapid	result 1
		Opponent Ngcwangu, U (Uman)				Opponent Valentyn, S (Shuaib Farouk)
2	2	Tournament 2022 East Dist Individuals				Tournament 2022 East Dist Individuals
		date 2022-03-13	rnd 5	type Rapid	result 1	date 2022-03-13	rnd 6	type Rapid	result 1
		Opponent Van Der Scholtz, T (Tino)				Opponent Williams, A (Ashton)
3	1	Tournament 2022 East Dist Individuals				Tournament 2022 East Dist Individuals
		date 2022-03-13	rnd 3	type Rapid	result 1	date 2022-03-13	rnd 3	type Rapid	result 1
		Opponent Schaap, R (Ruben)				Opponent Schaap, R (Ruben)

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	Van Staaden ,D (Darren)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Van Staaden ,D (Darren)	1	1397.9	972.9	1	1391.4	972.9	0	0	0	0	0	0
2	Van Der Hoven ,K (Kai)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Van Der Hoven ,K (Kai)	1	1234	809	1	1238.5	809	0	0	0	0	0	0
3	Snyman ,MM (Mila Marie)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Snyman ,MM (Mila Marie)	1	1423.4	998.4	1	1406.3	998.4	0	0	0	0	0	0
4	Zeeman ,Y (Yoshua Gerber)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Zeeman ,Y (Yoshua Gerber)	1	1129	704	1	1114	704	0	0	0	0	0	0
5	Kabuanga ,A (Andre)	1	1	425	1	1	425	0	0	0	0	0	0
5	Kabuanga ,A (Andre)	1	1272.9	1697.9	1	1199.6	1697.9	0	0	0	0	0	0
6	Mntwelizwe ,K (Khaya)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Mntwelizwe ,K (Khaya)	1	1238.5	813.5	1	1216.4	813.5	0	0	0	0	0	0
7	Mphunzisa ,M (Masimbonge)	1	1	425	1	1	425	0	0	0	0	0	0
7	Mphunzisa ,M (Masimbonge)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Greyling ,J (Johnathan)	1	1	425	1	1	425	0	0	0	0	0	0
8	Greyling ,J (Johnathan)	1	1154	1579	1	1208.2	1579	0	0	0	0	0	0
9	Zikithi ,L (Lwandle)	1	1	425	1	1	425	0	0	0	0	0	0
9	Zikithi ,L (Lwandle)	1	1220.9	1645.9	1	1225.2	1645.9	0	0	0	0	0	0
10	Ezau ,W (Wade)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Ezau ,W (Wade)	1	1269.7	844.7	1	1268.6	844.7	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

Diedericks, J (Jordan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms