Chess South Africa Ratings Database

PLAYER PAGE

Personal

Diedericks, M (Michael)

Chess SA id

1130109827

FIDE id

Date of birth

2013-12-10 (U14)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-18

Personal details last changed

1900-01-01

Junior GPX Games

19.8

Junior GPX Points

1107.5

Item	Main	Standard	Rapid	Blitz
Rating	1158.6	1151.6	1178.2	1200
Raw rating	1158.6	1151.6	1178.2	1200
Weighted rating	1132.8	1145.9	1133.6	1200
Weighted performance	1131.8	989	996	0
Floor	700	724.8	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	175.9	177.6	171.1	165.8
Highest rating	1200 2018-10-01	1311.6 2024-02-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2018-02-01	1224.8 2024-03-01	1200 2018-02-01	1200 2024-02-01
Highest weighted rating	1200 2018-10-01	1224.8 2024-03-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2018-02-01	1311.6 2024-02-01	1200 2018-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1158.6	1151.6	1178.2	1200
Analysis
Rating	1158.6	1151.6	1178.2	1200
Raw rating	1158.6	1151.6	1178.2	1200
Weighted rating	1132.8	1145.9	1133.6
Weighted performance	1131.8	989	996
K-factor	36	36	36	36
Floor	700	724.8	700	700
Max/Min rating change allowed	175.9	177.6	171.1	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	1158.6	1151.6	1178.2	1200
New weighted rating	1135.1	1145.9	1138.2	1200
New weighted performance	1124.8	982.7	989.1	0
Temp new rating	1158.6	1151.6	1178.2	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1158.6	1151.6	1178.2	1200
New K-factor	36	36	36	36
New floor	700	724.8	700	700

Item	Main	Standard	Rapid
	0	0	0
	16	11	5
	20	14	6
	12	0	12
	0	0	0
	0	0	0
History	52	25	27

Games since
	Main 42	Standard 25		Rapid 17		Blitz 0
Gender	Male
Age group	U14
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	4346		1469		557
Male	3206		1021		428
U14	870		294		113
U14 Male	598		181		79
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	16	7.5	46.88	-26.6	1250.4	1223.8
Standard	11	4.5	40.91	-77.3	1251.3	1174
Rapid	5	3	60	85	1248.4	1333.4
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	52	18.5	35.58	-122.6	1245	1122.4
Standard	25	8.5	34	-136	1250.1	1114.1
Rapid	27	10	37.04	-110.2	1240.3	1130.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1158.6	1151.6	1178.2	1200
2025-09-30	1158.9	1152.3	1178.2	1200
2025-09-01	1135.9	1152.3	1136.4	1200
2025-08-01	1135.9	1152.3	1136.4	1200
2025-07-01	1135.9	1152.3	1136.4	1200
2025-06-01	1135.9	1152.3	1136.4	1200
2025-05-01	1135.9	1152.3	1136.4	1200
2025-04-01	1135.9	1152.3	1136.4	1200
2025-03-01	1135.9	1152.3	1136.4	1200
2025-02-01	1123.8	1149.5	1136.4	1200
2025-01-01	1119.4	1111.8	1136.4	1200
2024-12-01	1119.4	1111.8	1136.4	1200
2024-11-01	1119.4	1111.8	1136.4	1200
2024-10-01	1112	1136.6	1094	1200
2024-09-01	1112	1136.6	1094	1200
2024-08-01	1112	1136.6	1094	1200
2024-07-01	1112	1136.6	1094	1200
2024-09-01	1112	1136.6	1094	1200
2024-05-01	1112	1136.6	1094	1200
2024-04-01	1112	1136.6	1094	1200
2024-03-01	1176.7	1224.8	1094	1200
2024-02-01	1135.5	1200	1094	1200
2024-01-01	1135.5	1200	1094	1200
2023-12-01	1135.5	1200	1094	1200

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	Grant East Annual Primary School Invitational Chess Tournament 2025 (U13 Boys)	2025-10-18	2025-10-18	Standard	Cape Town (WCT)	5	5	2	Yes	Analysis
2	Rhenish Primary 2025 (U14+Over)	2025-09-20	2025-09-20	Rapid	Cape Winelands (WCW)	5	5	3	Yes	Analysis
3	CT Metro District East Schools Chess Individuals Trials 2025 (U13 Boys)	2025-02-01	2025-02-02	Standard	Cape Town (WCT)	6	6	2.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Grant East Annual Primary School Invitational Chess Tournament 2025 (U13 Boys)	2025-10-18	2025-10-18	Standard	Cape Town (WCT)	5	5	2	Yes	Analysis
2	Rhenish Primary 2025 (U14+Over)	2025-09-20	2025-09-20	Rapid	Cape Winelands (WCW)	5	5	3	Yes	Analysis
3	CT Metro District East Schools Chess Individuals Trials 2025 (U13 Boys)	2025-02-01	2025-02-02	Standard	Cape Town (WCT)	6	6	2.5	Yes	Analysis
4	Laerskool Welgemoed Rapid 2024 (U12)	2024-10-19	2024-10-19	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
5	Grant East Annual Primary School Invitational Chess Tournament 2024 (U11)	2024-10-05	2024-10-05	Standard	Cape Town (WCT)	5	4	1	Yes	Analysis
6	Cape Town Metro Schools Chess Closed Individuals 2024 (U11 Boys)	2024-03-02	2024-03-03	Standard	Cape Town (WCT)	6	5	0	Yes	Analysis
7	CT District East Schools Chess Individuals Trails 2024 (U11 Boys)	2024-02-03	2024-02-03	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
8	Grant East Primary School Invitational Chess Tournament 2023 (U11 Mixed)	2023-11-04	2023-11-04	Rapid	Cape Town (WCT)	6	6	2	Yes	Analysis
9	Laerskool Welgemoed Rapid 2023 (U12)	2023-02-11	2023-02-11	Rapid	Cape Town (WCT)	6	6	2	Yes	Analysis
10	Welgemoed Chess Challenge 2019 (U10)	2019-02-23	2019-02-23	Rapid	Cape Town (WCT)	5	4	0	Yes	Analysis

#	Games	Start				End
1	3	Tournament Laerskool Welgemoed Rapid 2024				Tournament Laerskool Welgemoed Rapid 2024
		date 2024-10-19	rnd 3	type Rapid	result 1	date 2024-10-19	rnd 5	type Rapid	result 1
		Opponent Smith, L (Llewellyn)				Opponent Faure, B (Brodie)
2	2	Tournament Rhenish Primary 2025				Tournament Rhenish Primary 2025
		date 2025-09-20	rnd 2	type Rapid	result 1	date 2025-09-20	rnd 3	type Rapid	result 1
		Opponent September, J (Jamie-Leigh)				Opponent Andrag, A (Albert)
3	2	Tournament CT District East Schools Chess Individuals Trails 2024				Tournament CT District East Schools Chess Individuals Trails 2024
		date 2024-02-03	rnd 4	type Standard	result 1	date 2024-02-03	rnd 5	type Standard	result 1
		Opponent Du Plooy, A (Alwin)				Opponent Mynhardt, W (Wihan)

#	Games	Start				End
1	2	Tournament CT District East Schools Chess Individuals Trails 2024				Tournament CT District East Schools Chess Individuals Trails 2024
		date 2024-02-03	rnd 4	type Standard	result 1	date 2024-02-03	rnd 5	type Standard	result 1
		Opponent Du Plooy, A (Alwin)				Opponent Mynhardt, W (Wihan)
2	1	Tournament CT Metro District East Schools Chess Individuals Trials 2025				Tournament CT Metro District East Schools Chess Individuals Trials 2025
		date 2025-02-02	rnd 5	type Standard	result 0.5	date 2025-02-02	rnd 5	type Standard	result 0.5
		Opponent Wilson, B (Blake)				Opponent Wilson, B (Blake)
3	1	Tournament CT Metro District East Schools Chess Individuals Trials 2025				Tournament CT Metro District East Schools Chess Individuals Trials 2025
		date 2025-02-01	rnd 3	type Standard	result 1	date 2025-02-01	rnd 3	type Standard	result 1
		Opponent George, Z (Zohan)				Opponent George, Z (Zohan)

#	Games	Start				End
1	3	Tournament Laerskool Welgemoed Rapid 2024				Tournament Laerskool Welgemoed Rapid 2024
		date 2024-10-19	rnd 3	type Rapid	result 1	date 2024-10-19	rnd 5	type Rapid	result 1
		Opponent Smith, L (Llewellyn)				Opponent Faure, B (Brodie)
2	2	Tournament Rhenish Primary 2025				Tournament Rhenish Primary 2025
		date 2025-09-20	rnd 2	type Rapid	result 1	date 2025-09-20	rnd 3	type Rapid	result 1
		Opponent September, J (Jamie-Leigh)				Opponent Andrag, A (Albert)
3	2	Tournament Laerskool Welgemoed Rapid 2023				Tournament Laerskool Welgemoed Rapid 2023
		date 2023-02-11	rnd 3	type Rapid	result 1	date 2023-02-11	rnd 4	type Rapid	result 1
		Opponent Lefefa, L (Liza Lenka)				Opponent Rossouw, A (Anja)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Laerskool Welgemoed Rapid 2024				Tournament Laerskool Welgemoed Rapid 2024
		date 2024-10-19	rnd 3	type Rapid	result 1	date 2024-10-19	rnd 5	type Rapid	result 1
		Opponent Smith, L (Llewellyn)				Opponent Faure, B (Brodie)
2	2	Tournament Rhenish Primary 2025				Tournament Rhenish Primary 2025
		date 2025-09-20	rnd 2	type Rapid	result 1	date 2025-09-20	rnd 3	type Rapid	result 1
		Opponent September, J (Jamie-Leigh)				Opponent Andrag, A (Albert)
3	2	Tournament CT District East Schools Chess Individuals Trails 2024				Tournament CT District East Schools Chess Individuals Trails 2024
		date 2024-02-03	rnd 4	type Standard	result 1	date 2024-02-03	rnd 5	type Standard	result 1
		Opponent Du Plooy, A (Alwin)				Opponent Mynhardt, W (Wihan)

#	Games	Start				End
1	2	Tournament CT District East Schools Chess Individuals Trails 2024				Tournament CT District East Schools Chess Individuals Trails 2024
		date 2024-02-03	rnd 4	type Standard	result 1	date 2024-02-03	rnd 5	type Standard	result 1
		Opponent Du Plooy, A (Alwin)				Opponent Mynhardt, W (Wihan)
2	1	Tournament CT Metro District East Schools Chess Individuals Trials 2025				Tournament CT Metro District East Schools Chess Individuals Trials 2025
		date 2025-02-01	rnd 3	type Standard	result 1	date 2025-02-01	rnd 3	type Standard	result 1
		Opponent George, Z (Zohan)				Opponent George, Z (Zohan)
3	1	Tournament CT Metro District East Schools Chess Individuals Trials 2025				Tournament CT Metro District East Schools Chess Individuals Trials 2025
		date 2025-02-01	rnd 1	type Standard	result 1	date 2025-02-01	rnd 1	type Standard	result 1
		Opponent Raja Sagi, A (Aarya Mihir Varma)				Opponent Raja Sagi, A (Aarya Mihir Varma)

#	Games	Start				End
1	3	Tournament Laerskool Welgemoed Rapid 2024				Tournament Laerskool Welgemoed Rapid 2024
		date 2024-10-19	rnd 3	type Rapid	result 1	date 2024-10-19	rnd 5	type Rapid	result 1
		Opponent Smith, L (Llewellyn)				Opponent Faure, B (Brodie)
2	2	Tournament Rhenish Primary 2025				Tournament Rhenish Primary 2025
		date 2025-09-20	rnd 2	type Rapid	result 1	date 2025-09-20	rnd 3	type Rapid	result 1
		Opponent September, J (Jamie-Leigh)				Opponent Andrag, A (Albert)
3	2	Tournament Laerskool Welgemoed Rapid 2023				Tournament Laerskool Welgemoed Rapid 2023
		date 2023-02-11	rnd 3	type Rapid	result 1	date 2023-02-11	rnd 4	type Rapid	result 1
		Opponent Lefefa, L (Liza Lenka)				Opponent Rossouw, A (Anja)

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 Zyl ,F (Frede)	3	0	-425	2	0	-425	1	0	-425	0	0	0
1	Van Zyl ,F (Frede)	3	1345.1	920.1	2	1322.2	920.1	1	1335.3	920.1	0	0	0
2	Makumbe ,P (Passion)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Makumbe ,P (Passion)	2	1254.7	829.7	2	1206.9	829.7	0	0	0	0	0	0
3	Chuang ,P (Pacey)	2	0	-425	1	0	-425	1	0	-425	0	0	0
3	Chuang ,P (Pacey)	2	1269	844	1	1265.9	844	1	1220.2	844	0	0	0
4	Grove ,T (Tyler)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Grove ,T (Tyler)	1	1299.9	874.9	1	1231.5	874.9	0	0	0	0	0	0
5	Stewart ,N (Neil)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Stewart ,N (Neil)	1	1481.7	1056.7	1	1328.5	1056.7	0	0	0	0	0	0
6	Rall ,L (Lian)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Rall ,L (Lian)	1	1412	987	1	1336.8	987	0	0	0	0	0	0
7	Hart ,L (Lukie)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Hart ,L (Lukie)	1	1222.7	797.7	1	1200	797.7	0	0	0	0	0	0
8	Wilson ,B (Blake)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
8	Wilson ,B (Blake)	1	1193	1193	1	1189	1193	0	0	0	0	0	0
9	Edwards ,I (Isaiah)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Edwards ,I (Isaiah)	1	1222.5	797.5	1	1230.7	797.5	0	0	0	0	0	0
10	Smith ,L (Llewellyn)	1	1	425	0	0	0	1	1	425	0	0	0
10	Smith ,L (Llewellyn)	1	1200	1625	0	0	0	1	1200	1625	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Diedericks, M (Michael)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms