Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jonkers, E (Elvico)

Chess SA id

1090158907

FIDE id

Date of birth

2009-12-13 (U18)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-02-03

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1186.9	1173.4	1223.8	1200
Raw rating	1186.9	1173.4	1223.8	1200
Weighted rating	1184.4	1170.8	1223.8	1200
Weighted performance	0	0	0	0
Floor	715.3	700	723.8	700
K-factor	36	36	36	36
Min/Max rating change allowed	168.9	172.2	160.3	165.8
Highest rating	1261 2023-07-01	1200 2018-10-01	1317.6 2023-07-01	1200 2018-10-01
Highest raw rating	1215.3 2023-08-01	1200 2019-12-01	1223.8 2024-03-01	1200 2024-03-01
Highest weighted rating	1215.3 2024-02-01	1200 2018-10-01	1223.8 2025-06-01	1200 2018-10-01
Highest weighted performance	1261 2023-07-01	1200 2019-12-01	1317.6 2023-07-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1186.9	1173.4	1223.8	1200
Analysis
Rating	1186.9	1173.4	1223.8	1200
Raw rating	1186.9	1173.4	1223.8	1200
Weighted rating	1184.4	1170.8	1223.8
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	715.3	700	723.8	700
Max/Min rating change allowed	168.9	172.2	160.3	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	1186.9	1173.4	1223.8	1200
New weighted rating	1184.3	1170.8	1223.8	1200
New weighted performance	0	0	0	0
Temp new rating	1186.9	1173.4	1223.8	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1186.9	1173.4	1223.8	1200
New K-factor	36	36	36	36
New floor	715.3	700	723.8	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	8	8	0
	5	0	5
	0	0	0
	0	0	0
History	13	8	5

Games since
	Main 8	Standard 8		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	13	6	46.15	-32.7	1204.3	1171.6
Standard	8	3	37.5	-106.2	1188.4	1082.1
Rapid	5	3	60	85	1229.8	1314.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1186.9	1173.4	1223.8	1200
2025-09-01	1186.9	1173.4	1223.8	1200
2025-08-01	1186.9	1173.4	1223.8	1200
2025-07-01	1186.9	1173.4	1223.8	1200
2025-06-01	1186.9	1173.4	1223.8	1200
2025-05-01	1186.9	1173.4	1223.8	1200
2025-04-01	1186.9	1173.4	1223.8	1200
2025-03-01	1186.9	1173.4	1223.8	1200
2025-02-01	1186.7	1173.4	1223.8	1200
2025-01-01	1177.4	1164	1223.8	1200
2024-12-01	1177.4	1164	1223.8	1200
2024-11-01	1177.4	1164	1223.8	1200
2024-10-01	1177.4	1164	1223.8	1200
2024-09-01	1177.4	1164	1223.8	1200
2024-08-01	1177.4	1164	1223.8	1200
2024-07-01	1177.4	1164	1223.8	1200
2024-06-01	1177.4	1164	1223.8	1200
2024-08-01	1177.4	1164	1223.8	1200
2024-04-01	1177.4	1164	1223.8	1200
2024-03-01	1177.4	1164	1223.8	1200
2024-02-01	1215.3	1200	1223.8	1200
2024-01-01	1215.3	1200	1223.8	1200
2023-12-01	1215.3	1200	1223.8	1200
2023-11-01	1215.3	1200	1223.8	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	North District School Trials 2024 (U15 Boys)	2024-02-03	2024-02-03	Standard	Cape Town (WCT)	5	5	2	Yes	Analysis
2	CT District East Schools Chess Individuals Trails 2024 (U15 Boys)	2024-02-03	2024-02-03	Standard	Cape Town (WCT)	5	3	1	Yes	Analysis
3	CT Metro District North Top Schools Chess 2023 (U15 Mixed)	2023-07-29	2023-07-29	Rapid	Cape Town (WCT)	7	5	3	Yes	Analysis

#	Games	Start				End
1	2	Tournament North District School Trials 2024				Tournament North District School Trials 2024
		date 2024-02-03	rnd 2	type Standard	result 1	date 2024-02-03	rnd 3	type Standard	result 1
		Opponent Kingsley, U (Ulrich)				Opponent Cloete, N (Nahum)
2	2	Tournament CT Metro District North Top Schools Chess 2023				Tournament CT Metro District North Top Schools Chess 2023
		date 2023-07-29	rnd 1	type Rapid	result 1	date 2023-07-29	rnd 2	type Rapid	result 1
		Opponent Cassiem, J (Junayd)				Opponent Losper, J (Juwaygan)
3	1	Tournament CT District East Schools Chess Individuals Trails 2024				Tournament CT District East Schools Chess Individuals Trails 2024
		date 2024-02-03	rnd 3	type Standard	result 1	date 2024-02-03	rnd 3	type Standard	result 1
		Opponent Kamiro, K (Knowledge)				Opponent Kamiro, K (Knowledge)

#	Games	Start				End
1	2	Tournament North District School Trials 2024				Tournament North District School Trials 2024
		date 2024-02-03	rnd 2	type Standard	result 1	date 2024-02-03	rnd 3	type Standard	result 1
		Opponent Kingsley, U (Ulrich)				Opponent Cloete, N (Nahum)
2	1	Tournament CT District East Schools Chess Individuals Trails 2024				Tournament CT District East Schools Chess Individuals Trails 2024
		date 2024-02-03	rnd 3	type Standard	result 1	date 2024-02-03	rnd 3	type Standard	result 1
		Opponent Kamiro, K (Knowledge)				Opponent Kamiro, K (Knowledge)

#	Games	Start				End
1	2	Tournament CT Metro District North Top Schools Chess 2023				Tournament CT Metro District North Top Schools Chess 2023
		date 2023-07-29	rnd 1	type Rapid	result 1	date 2023-07-29	rnd 2	type Rapid	result 1
		Opponent Cassiem, J (Junayd)				Opponent Losper, J (Juwaygan)
2	1	Tournament CT Metro District North Top Schools Chess 2023				Tournament CT Metro District North Top Schools Chess 2023
		date 2023-07-29	rnd 6	type Rapid	result 1	date 2023-07-29	rnd 6	type Rapid	result 1
		Opponent Vermaak, B (Benjamin)				Opponent Vermaak, B (Benjamin)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament North District School Trials 2024				Tournament North District School Trials 2024
		date 2024-02-03	rnd 2	type Standard	result 1	date 2024-02-03	rnd 3	type Standard	result 1
		Opponent Kingsley, U (Ulrich)				Opponent Cloete, N (Nahum)
2	2	Tournament CT Metro District North Top Schools Chess 2023				Tournament CT Metro District North Top Schools Chess 2023
		date 2023-07-29	rnd 1	type Rapid	result 1	date 2023-07-29	rnd 2	type Rapid	result 1
		Opponent Cassiem, J (Junayd)				Opponent Losper, J (Juwaygan)
3	1	Tournament CT District East Schools Chess Individuals Trails 2024				Tournament CT District East Schools Chess Individuals Trails 2024
		date 2024-02-03	rnd 3	type Standard	result 1	date 2024-02-03	rnd 3	type Standard	result 1
		Opponent Kamiro, K (Knowledge)				Opponent Kamiro, K (Knowledge)

#	Games	Start				End
1	2	Tournament North District School Trials 2024				Tournament North District School Trials 2024
		date 2024-02-03	rnd 2	type Standard	result 1	date 2024-02-03	rnd 3	type Standard	result 1
		Opponent Kingsley, U (Ulrich)				Opponent Cloete, N (Nahum)
2	1	Tournament CT District East Schools Chess Individuals Trails 2024				Tournament CT District East Schools Chess Individuals Trails 2024
		date 2024-02-03	rnd 3	type Standard	result 1	date 2024-02-03	rnd 3	type Standard	result 1
		Opponent Kamiro, K (Knowledge)				Opponent Kamiro, K (Knowledge)

#	Games	Start				End
1	2	Tournament CT Metro District North Top Schools Chess 2023				Tournament CT Metro District North Top Schools Chess 2023
		date 2023-07-29	rnd 1	type Rapid	result 1	date 2023-07-29	rnd 2	type Rapid	result 1
		Opponent Cassiem, J (Junayd)				Opponent Losper, J (Juwaygan)
2	1	Tournament CT Metro District North Top Schools Chess 2023				Tournament CT Metro District North Top Schools Chess 2023
		date 2023-07-29	rnd 6	type Rapid	result 1	date 2023-07-29	rnd 6	type Rapid	result 1
		Opponent Vermaak, B (Benjamin)				Opponent Vermaak, B (Benjamin)

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	Kamiro ,K (Knowledge)	1	1	425	1	1	425	0	0	0	0	0	0
1	Kamiro ,K (Knowledge)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	Cloete ,N (Nahum)	1	1	425	1	1	425	0	0	0	0	0	0
2	Cloete ,N (Nahum)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Hamdulay ,M (Michael)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Hamdulay ,M (Michael)	1	1200	775	1	1200	775	0	0	0	0	0	0
4	Baker ,A (Alex)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Baker ,A (Alex)	1	1159.6	734.6	1	1200	734.6	0	0	0	0	0	0
5	Kingsley ,U (Ulrich)	1	1	425	1	1	425	0	0	0	0	0	0
5	Kingsley ,U (Ulrich)	1	1150.5	1575.5	1	1200	1575.5	0	0	0	0	0	0
6	May ,J (Juwayne)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	May ,J (Juwayne)	1	1197	772	1	1196.4	772	0	0	0	0	0	0
7	Debba ,K (Kyle)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Debba ,K (Kyle)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Cilliers ,K (Kyle)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Cilliers ,K (Kyle)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Cassiem ,J (Junayd)	1	1	425	0	0	0	1	1	425	0	0	0
9	Cassiem ,J (Junayd)	1	1166.1	1591.1	0	0	0	1	1200	1591.1	0	0	0
10	Losper ,J (Juwaygan)	1	1	425	0	0	0	1	1	425	0	0	0
10	Losper ,J (Juwaygan)	1	1200	1625	0	0	0	1	1200	1625	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Jonkers, E (Elvico)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms