Chess South Africa Ratings Database

PLAYER PAGE

Personal

Rathbone, J (Johnathan)

Chess SA id

1090110742

FIDE id

Date of birth

2009-08-23 (U18)

Gender

Male

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-03-15

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1084.5	1077.2	1158	1200
Raw rating	1084.5	1077.2	1158	1200
Weighted rating	1084.5	1077.2	1158	1200
Weighted performance	275.6	247.3	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	195.5	197.5	176	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2018-02-01	1200 2018-02-01	1200 2020-01-01	1200 2024-02-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1200 2019-12-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1084.5	1077.2	1158	1200
Analysis
Rating	1084.5	1077.2	1158	1200
Raw rating	1084.5	1077.2	1158	1200
Weighted rating	1084.5	1077.2	1158
Weighted performance	275.6	247.3	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	195.5	197.5	176	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	1084.5	1077.2	1158	1200
New weighted rating	1084.5	1077.2	1158	1200
New weighted performance	275.2	247	0	0
Temp new rating	1084.5	1077.2	1158	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1084.5	1077.2	1158	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	29	24	5

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Overberg (WOS)
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	29	8.5	29.31	-175.9	1170.6	994.7
Standard	24	7	29.17	-177.1	1167.5	990.4
Rapid	5	1.5	30	-170	1185.5	1015.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1084.5	1077.2	1158	1200
2025-09-01	1084.5	1077.2	1158	1200
2025-08-01	1084.5	1077.2	1158	1200
2025-07-01	1084.5	1077.2	1158	1200
2025-06-01	1084.5	1077.2	1158	1200
2025-05-01	1084.5	1077.2	1158	1200
2025-04-01	1084.5	1077.2	1158	1200
2025-03-01	1084.5	1077.2	1158	1200
2025-02-01	1084.5	1077.2	1158	1200
2025-01-01	1084.5	1077.2	1158	1200
2024-12-01	1084.5	1077.2	1158	1200
2024-11-01	1084.5	1077.2	1158	1200
2024-10-01	1084.5	1077.2	1158	1200
2024-09-01	1084.5	1077.2	1158	1200
2024-08-01	1084.5	1077.2	1158	1200
2024-07-01	1084.5	1077.2	1158	1200
2024-06-01	1084.5	1077.2	1158	1200
2024-08-01	1084.5	1077.2	1158	1200
2024-04-01	1084.5	1077.2	1158	1200
2024-03-01	1084.5	1077.2	1158	1200
2024-02-01	1084.5	1077.2	1158	1200
2024-01-01	1084.5	1077.2	1158	1200
2023-12-01	1084.5	1077.2	1158	1200
2023-11-01	1084.5	1077.2	1158	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	Overberg Closed 2020 (U11 Boys)	2020-03-15	2020-03-15	Standard	Overberg (WOS)	5	5	2	Yes	Analysis
2	OCF Open 2020 (U12)	2020-01-25	2020-01-25	Rapid	Overberg (WOS)	5	5	1.5	Yes	Analysis
3	Overberg Top Schools 2019 (U11)	2019-07-20	2019-07-20	Standard	Overberg (WOS)	5	5	2	Yes	Analysis
4	Trial 2 Teddy/Toy Tournament 2019 (U12)	2019-04-06	2019-04-06	Standard	Overberg (WOS)	5	4	0	Yes	Analysis
5	Overberg School Chess Close Champs 2019 (U11 Boys)	2019-03-08	2019-03-09	Standard	Overberg (WOS)	6	6	3	Yes	Analysis
6	Overberg First Trial 2019 (U12)	2019-02-23	2019-02-23	Standard	Overberg (WOS)	5	4	0	Yes	Analysis

#	Games	Start				End
1	2	Tournament OCF Open 2020				Tournament OCF Open 2020
		date 2020-01-25	rnd 2	type Rapid	result 0.5	date 2020-01-25	rnd 3	type Rapid	result 1
		Opponent Liebenberg, M (Malan)				Opponent Du Plessis, MA (Matthys)
2	2	Tournament Overberg Top Schools 2019				Tournament Overberg Top Schools 2019
		date 2019-07-20	rnd 3	type Standard	result 1	date 2019-07-20	rnd 4	type Standard	result 1
		Opponent Dreyer, CJ (Cristi Jane)				Opponent Matinywa, T (Thobani)
3	2	Tournament Overberg School Chess Close Champs 2019				Tournament Overberg School Chess Close Champs 2019
		date 2019-03-08	rnd 2	type Standard	result 1	date 2019-03-08	rnd 3	type Standard	result 1
		Opponent Januarie, C (Chad)				Opponent Du Plessis, L (Luc)

#	Games	Start				End
1	2	Tournament Overberg Top Schools 2019				Tournament Overberg Top Schools 2019
		date 2019-07-20	rnd 3	type Standard	result 1	date 2019-07-20	rnd 4	type Standard	result 1
		Opponent Dreyer, CJ (Cristi Jane)				Opponent Matinywa, T (Thobani)
2	2	Tournament Overberg School Chess Close Champs 2019				Tournament Overberg School Chess Close Champs 2019
		date 2019-03-08	rnd 2	type Standard	result 1	date 2019-03-08	rnd 3	type Standard	result 1
		Opponent Januarie, C (Chad)				Opponent Du Plessis, L (Luc)
3	1	Tournament Overberg Closed 2020				Tournament Overberg Closed 2020
		date 2020-03-15	rnd 4	type Standard	result 1	date 2020-03-15	rnd 4	type Standard	result 1
		Opponent Oosthuizen, A (Andreas)				Opponent Oosthuizen, A (Andreas)

#	Games	Start				End
1	2	Tournament OCF Open 2020				Tournament OCF Open 2020
		date 2020-01-25	rnd 2	type Rapid	result 0.5	date 2020-01-25	rnd 3	type Rapid	result 1
		Opponent Liebenberg, M (Malan)				Opponent Du Plessis, MA (Matthys)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Overberg Top Schools 2019				Tournament Overberg Top Schools 2019
		date 2019-07-20	rnd 3	type Standard	result 1	date 2019-07-20	rnd 4	type Standard	result 1
		Opponent Dreyer, CJ (Cristi Jane)				Opponent Matinywa, T (Thobani)
2	2	Tournament Overberg School Chess Close Champs 2019				Tournament Overberg School Chess Close Champs 2019
		date 2019-03-08	rnd 2	type Standard	result 1	date 2019-03-08	rnd 3	type Standard	result 1
		Opponent Januarie, C (Chad)				Opponent Du Plessis, L (Luc)
3	1	Tournament Overberg Closed 2020				Tournament Overberg Closed 2020
		date 2020-03-15	rnd 4	type Standard	result 1	date 2020-03-15	rnd 4	type Standard	result 1
		Opponent Oosthuizen, A (Andreas)				Opponent Oosthuizen, A (Andreas)

#	Games	Start				End
1	2	Tournament Overberg Top Schools 2019				Tournament Overberg Top Schools 2019
		date 2019-07-20	rnd 3	type Standard	result 1	date 2019-07-20	rnd 4	type Standard	result 1
		Opponent Dreyer, CJ (Cristi Jane)				Opponent Matinywa, T (Thobani)
2	2	Tournament Overberg School Chess Close Champs 2019				Tournament Overberg School Chess Close Champs 2019
		date 2019-03-08	rnd 2	type Standard	result 1	date 2019-03-08	rnd 3	type Standard	result 1
		Opponent Januarie, C (Chad)				Opponent Du Plessis, L (Luc)
3	1	Tournament Overberg Closed 2020				Tournament Overberg Closed 2020
		date 2020-03-15	rnd 4	type Standard	result 1	date 2020-03-15	rnd 4	type Standard	result 1
		Opponent Oosthuizen, A (Andreas)				Opponent Oosthuizen, A (Andreas)

#	Games	Start				End
1	1	Tournament OCF Open 2020				Tournament OCF Open 2020
		date 2020-01-25	rnd 3	type Rapid	result 1	date 2020-01-25	rnd 3	type Rapid	result 1
		Opponent Du Plessis, MA (Matthys)				Opponent Du Plessis, MA (Matthys)

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	Matinywa ,T (Thobani)	2	1	0	2	1	0	0	0	0	0	0	0
1	Matinywa ,T (Thobani)	2	1166.9	1166.9	2	1161.8	1166.9	0	0	0	0	0	0
2	Januarie ,C (Chad)	2	2	425	2	2	425	0	0	0	0	0	0
2	Januarie ,C (Chad)	2	1167.8	1592.8	2	1161.6	1592.8	0	0	0	0	0	0
3	Hanekom ,L (Logan)	2	0	-425	1	0	-425	1	0	-425	0	0	0
3	Hanekom ,L (Logan)	2	1232.6	807.6	1	1143.2	807.6	1	1245.4	807.6	0	0	0
4	Muller ,C (Christiaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Muller ,C (Christiaan)	1	1352.8	927.8	1	1407.1	927.8	0	0	0	0	0	0
5	Du Plessis ,L (Luc)	1	1	425	1	1	425	0	0	0	0	0	0
5	Du Plessis ,L (Luc)	1	1069.2	1494.2	1	1044	1494.2	0	0	0	0	0	0
6	Koko ,A (Anisa)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Koko ,A (Anisa)	1	1198.2	773.2	1	1199	773.2	0	0	0	0	0	0
7	Stander ,Z (Zadrian)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Stander ,Z (Zadrian)	1	1166.4	741.4	1	1200	741.4	0	0	0	0	0	0
8	Swart ,S (Stefan)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Swart ,S (Stefan)	1	929.5	504.5	1	963.6	504.5	0	0	0	0	0	0
9	Bekker ,A (Armin)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Bekker ,A (Armin)	1	1230.5	805.5	1	1226.1	805.5	0	0	0	0	0	0
10	Mouton ,J (Jean)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Mouton ,J (Jean)	1	1220.6	795.6	1	1200	795.6	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Rathbone, J (Johnathan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms