Chess South Africa Ratings Database

PLAYER PAGE

Personal

Dykman, J (Jonathan Lee)

Chess SA id

1930108258

FIDE id

Date of birth

1993-07-27 (Adult)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-06-03

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1273.1	1218.2	1300	1205.5
Raw rating	1273.1	1218.2	1300	1205.5
Weighted rating	1272.5	1218.2	1299	1205
Weighted performance	0	0	0	0
Floor	773.1	718.2	800	705.5
K-factor	36	36	36	36
Min/Max rating change allowed	149.4	161.6	143.8	164.5
Highest rating	1374.5 2019-06-01	1478.9 2019-06-01	1300 2024-02-01	1205.5 2024-02-01
Highest raw rating	1273.1 2024-02-01	1218.2 2024-02-01	1300 2024-02-01	1205.5 2024-02-01
Highest weighted rating	1271.2 2025-08-01	1218.2 2024-02-01	1296.7 2025-08-01	1205.5 2018-10-01
Highest weighted performance	1374.5 2019-06-01	1478.9 2019-06-01	1200 2024-02-01	1200 2018-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1273.1	1218.2	1300	1205.5
Analysis
Rating	1273.1	1218.2	1300	1205.5
Raw rating	1273.1	1218.2	1300	1205.5
Weighted rating	1272.5	1218.2	1299
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	773.1	718.2	800	705.5
Max/Min rating change allowed	149.4	161.6	143.8	164.5
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	1273.1	1218.2	1300	1205.5
New weighted rating	1272.9	1218.2	1299.7	1205.3
New weighted performance	0	0	0	0
Temp new rating	1273.1	1218.2	1300	1205.5
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1273.1	1218.2	1300	1205.5
New K-factor	36	36	36	36
New floor	773.1	718.2	800	705.5

Item	Main	Standard	Blitz
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	14	7	7

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Cape Town (WCT)
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	14	7.5	53.57	30.4	1183.9	1214.2
Standard	7	4.5	64.29	121.4	1140.1	1261.5
Rapid	0	0	0	0	0	0
Blitz	7	3	42.86	-60.7	1227.7	1167

Date	Main	Standard	Rapid	Blitz
2025-09-30	1273.1	1218.2	1300	1205.5
2025-09-01	1273.1	1218.2	1300	1205.5
2025-08-01	1273.1	1218.2	1300	1205.5
2025-07-01	1273.1	1218.2	1300	1205.5
2025-06-01	1273.1	1218.2	1300	1205.5
2025-05-01	1273.1	1218.2	1300	1205.5
2025-04-01	1273.1	1218.2	1300	1205.5
2025-03-01	1273.1	1218.2	1300	1205.5
2025-02-01	1273.1	1218.2	1300	1205.5
2025-01-01	1273.1	1218.2	1300	1205.5
2024-12-01	1273.1	1218.2	1300	1205.5
2024-11-01	1273.1	1218.2	1300	1205.5
2024-10-01	1273.1	1218.2	1300	1205.5
2024-09-01	1273.1	1218.2	1300	1205.5
2024-08-01	1273.1	1218.2	1300	1205.5
2024-07-01	1273.1	1218.2	1300	1205.5
2024-06-01	1273.1	1218.2	1300	1205.5
2024-08-01	1273.1	1218.2	1300	1205.5
2024-04-01	1273.1	1218.2	1300	1205.5
2024-03-01	1273.1	1218.2	1300	1205.5
2024-02-01	1273.1	1218.2	1300	1205.5
2024-01-01	1273.1	1218.2	1300	1205.5
2023-12-01	1215.7	1218.2	1200	1155.6
2023-11-01	1215.7	1218.2	1200	1155.6

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	Bellville Club Champs 2019 (C2)	2019-04-29	2019-06-03	Standard	Cape Town (WCT)	5	1	1	Yes	Analysis
2	Bellville Club Champs 2019 (C)	2019-02-04	2019-04-15	Standard	Cape Town (WCT)	7	6	3.5	Yes	Analysis
3	Bellville Chess Club 01 Blitz Tournament 2019	2019-01-28	2019-01-28	Blitz	Cape Town (WCT)	7	7	3	Yes	Analysis

#	Games	Start				End
1	3	Tournament Bellville Club Champs 2019				Tournament Bellville Club Champs 2019
		date 2019-03-11	rnd 5	type Standard	result 0.5	date 2019-05-06	rnd 2	type Standard	result 1
		Opponent Kruger, A (Andre)				Opponent Du Toit, R (Ruan)
2	2	Tournament Bellville Club Champs 2019				Tournament Bellville Club Champs 2019
		date 2019-02-11	rnd 2	type Standard	result 1	date 2019-02-18	rnd 3	type Standard	result 1
		Opponent Cohen, D (Dylan)				Opponent Maritz, J (Jean)
3	2	Tournament Bellville Chess Club 01 Blitz Tournament 2019				Tournament Bellville Chess Club 01 Blitz Tournament 2019
		date 2019-01-28	rnd 5	type Blitz	result 1	date 2019-01-28	rnd 6	type Blitz	result 1
		Opponent Maritz, J (Jean)				Opponent Pretorius, E (Estienne)

#	Games	Start				End
1	3	Tournament Bellville Club Champs 2019				Tournament Bellville Club Champs 2019
		date 2019-03-11	rnd 5	type Standard	result 0.5	date 2019-05-06	rnd 2	type Standard	result 1
		Opponent Kruger, A (Andre)				Opponent Du Toit, R (Ruan)
2	2	Tournament Bellville Club Champs 2019				Tournament Bellville Club Champs 2019
		date 2019-02-11	rnd 2	type Standard	result 1	date 2019-02-18	rnd 3	type Standard	result 1
		Opponent Cohen, D (Dylan)				Opponent Maritz, J (Jean)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Bellville Chess Club 01 Blitz Tournament 2019				Tournament Bellville Chess Club 01 Blitz Tournament 2019
		date 2019-01-28	rnd 5	type Blitz	result 1	date 2019-01-28	rnd 6	type Blitz	result 1
		Opponent Maritz, J (Jean)				Opponent Pretorius, E (Estienne)
2	1	Tournament Bellville Chess Club 01 Blitz Tournament 2019				Tournament Bellville Chess Club 01 Blitz Tournament 2019
		date 2019-01-28	rnd 3	type Blitz	result 1	date 2019-01-28	rnd 3	type Blitz	result 1
		Opponent Afonso, IS (Isabella)				Opponent Afonso, IS (Isabella)

#	Games	Start				End
1	2	Tournament Bellville Club Champs 2019				Tournament Bellville Club Champs 2019
		date 2019-04-15	rnd 7	type Standard	result 1	date 2019-05-06	rnd 2	type Standard	result 1
		Opponent Afonso, IS (Isabella)				Opponent Du Toit, R (Ruan)
2	2	Tournament Bellville Club Champs 2019				Tournament Bellville Club Champs 2019
		date 2019-02-11	rnd 2	type Standard	result 1	date 2019-02-18	rnd 3	type Standard	result 1
		Opponent Cohen, D (Dylan)				Opponent Maritz, J (Jean)
3	2	Tournament Bellville Chess Club 01 Blitz Tournament 2019				Tournament Bellville Chess Club 01 Blitz Tournament 2019
		date 2019-01-28	rnd 5	type Blitz	result 1	date 2019-01-28	rnd 6	type Blitz	result 1
		Opponent Maritz, J (Jean)				Opponent Pretorius, E (Estienne)

#	Games	Start				End
1	2	Tournament Bellville Club Champs 2019				Tournament Bellville Club Champs 2019
		date 2019-04-15	rnd 7	type Standard	result 1	date 2019-05-06	rnd 2	type Standard	result 1
		Opponent Afonso, IS (Isabella)				Opponent Du Toit, R (Ruan)
2	2	Tournament Bellville Club Champs 2019				Tournament Bellville Club Champs 2019
		date 2019-02-11	rnd 2	type Standard	result 1	date 2019-02-18	rnd 3	type Standard	result 1
		Opponent Cohen, D (Dylan)				Opponent Maritz, J (Jean)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Bellville Chess Club 01 Blitz Tournament 2019				Tournament Bellville Chess Club 01 Blitz Tournament 2019
		date 2019-01-28	rnd 5	type Blitz	result 1	date 2019-01-28	rnd 6	type Blitz	result 1
		Opponent Maritz, J (Jean)				Opponent Pretorius, E (Estienne)
2	1	Tournament Bellville Chess Club 01 Blitz Tournament 2019				Tournament Bellville Chess Club 01 Blitz Tournament 2019
		date 2019-01-28	rnd 3	type Blitz	result 1	date 2019-01-28	rnd 3	type Blitz	result 1
		Opponent Afonso, IS (Isabella)				Opponent Afonso, IS (Isabella)

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	Maritz ,J (Jean)	2	2	425	1	1	425	0	0	0	1	1	425
1	Maritz ,J (Jean)	2	1140	1565	1	1108.8	1565	0	0	0	1	1200	1565
2	Afonso ,IS (Isabella)	2	2	425	1	1	425	0	0	0	1	1	425
2	Afonso ,IS (Isabella)	2	1030.1	1455.1	1	1094.7	1455.1	0	0	0	1	586.6	1455.1
3	Nel ,O (Ovidius)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Nel ,O (Ovidius)	1	1161.3	736.3	1	1173.2	736.3	0	0	0	0	0	0
4	Cohen ,D (Dylan)	1	1	425	1	1	425	0	0	0	0	0	0
4	Cohen ,D (Dylan)	1	1054.9	1479.9	1	1044.6	1479.9	0	0	0	0	0	0
5	Du Toit ,R (Ruan)	1	1	425	1	1	425	0	0	0	0	0	0
5	Du Toit ,R (Ruan)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Kruger ,A (Andre)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
6	Kruger ,A (Andre)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
7	Snyman ,J (Johannes)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Snyman ,J (Johannes)	1	1165.9	740.9	1	1177	740.9	0	0	0	0	0	0
8	Roux ,A (Andre)	1	0	-425	0	0	0	0	0	0	1	0	-425
8	Roux ,A (Andre)	1	1164.2	739.2	0	0	0	0	0	0	1	1071.2	739.2
9	Visage ,H (Hendrik)	1	0	-425	0	0	0	0	0	0	1	0	-425
9	Visage ,H (Hendrik)	1	1217.7	792.7	0	0	0	0	0	0	1	1200	792.7
10	Prinsloo ,R (Reinhardt)	1	0	-425	0	0	0	0	0	0	1	0	-425
10	Prinsloo ,R (Reinhardt)	1	1245.7	820.7	0	0	0	0	0	0	1	652.6	820.7

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Dykman, J (Jonathan Lee)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms