Chess South Africa Ratings Database

PLAYER PAGE

Personal

Coetzee, J (Jevon)

Chess SA id

1080144850

FIDE id

Date of birth

2008-12-19 (U18)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-07-20

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1191.4	1187.5	1200	1200
Raw rating	1191.4	1187.5	1200	1200
Weighted rating	1191.4	1187.5	1200	1200
Weighted performance	0	0	0	0
Floor	715.3	716.4	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	167.9	168.8	165.8	165.8
Highest rating	1288.3 2022-08-01	1280.2 2022-08-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1215.3 2022-09-01	1216.4 2022-09-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1215.3 2023-05-01	1216.4 2023-05-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1288.3 2022-08-01	1280.2 2022-08-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1191.4	1187.5	1200	1200
Analysis
Rating	1191.4	1187.5	1200	1200
Raw rating	1191.4	1187.5	1200	1200
Weighted rating	1191.4	1187.5	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	715.3	716.4	700	700
Max/Min rating change allowed	167.9	168.8	165.8	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	1191.4	1187.5	1200	1200
New weighted rating	1191.4	1187.5	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1191.4	1187.5	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1191.4	1187.5	1200	1200
New K-factor	36	36	36	36
New floor	715.3	716.4	700	700

Item	Main	Standard
	0	0
	0	0
	10	10
	4	4
	5	5
	0	0
History	19	19

Games since
	Main 10	Standard 10		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Tshwane (GTP)
Province	Gauteng (GT)
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	19	8.5	44.74	-44.7	1230.3	1185.5
Standard	19	8.5	44.74	-44.7	1230.3	1185.5
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1191.4	1187.5	1200	1200
2025-09-01	1191.4	1187.5	1200	1200
2025-08-01	1191.4	1187.5	1200	1200
2025-07-01	1191.4	1187.4	1200	1200
2025-06-01	1191.4	1187.4	1200	1200
2025-05-01	1191.4	1187.4	1200	1200
2025-04-01	1191.4	1187.4	1200	1200
2025-03-01	1191.4	1187.4	1200	1200
2025-02-01	1191.3	1187.3	1200	1200
2025-01-01	1189	1185.4	1200	1200
2024-12-01	1189	1185.4	1200	1200
2024-11-01	1189	1185.4	1200	1200
2024-10-01	1189	1185.4	1200	1200
2024-09-01	1189	1185.4	1200	1200
2024-08-01	1189	1185.4	1200	1200
2024-07-01	1203.6	1202.7	1200	1200
2024-06-01	1203.6	1202.7	1200	1200
2024-08-01	1190.2	1184.7	1200	1200
2024-04-01	1190.2	1184.7	1200	1200
2024-03-01	1190.2	1184.7	1200	1200
2024-02-01	1190.2	1184.7	1200	1200
2024-01-01	1190.2	1184.7	1200	1200
2023-12-01	1190.2	1184.7	1200	1200
2023-11-01	1190.2	1184.7	1200	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	2024 Tshwane North School District Cluster 4 & 5 Team League (U17)	2024-07-20	2024-07-20	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
2	District 3 Cluster 4 and 5 Individuals 2024 (U18 Boys)	2024-05-06	2024-05-06	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
3	2023 Tshwane North School District CLOSED Individual Championships (D3)	2023-05-13	2023-05-13	Standard	Tshwane (GTP)	5	4	1	Yes	Analysis
4	Tuks Junior Developmental Tournament 2022 (Red)	2022-08-06	2022-08-06	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis

#	Games	Start				End
1	2	Tournament District 3 Cluster 4 and 5 Individuals 2024				Tournament District 3 Cluster 4 and 5 Individuals 2024
		date 2024-05-06	rnd 3	type Standard	result 1	date 2024-05-06	rnd 4	type Standard	result 0.5
		Opponent Swarts, C (Caleb)				Opponent Ferns, S (Stian Hunter)
2	2	Tournament Tuks Junior Developmental Tournament 2022				Tournament Tuks Junior Developmental Tournament 2022
		date 2022-08-06	rnd 4	type Standard	result 1	date 2022-08-06	rnd 5	type Standard	result 0.5
		Opponent Van Der Merwe, L (Liahne Lizl)				Opponent Niehaus, SJ (Samuel)
3	2	Tournament Tuks Junior Developmental Tournament 2022				Tournament Tuks Junior Developmental Tournament 2022
		date 2022-08-06	rnd 1	type Standard	result 1	date 2022-08-06	rnd 2	type Standard	result 0.5
		Opponent Herbst, AJL (A Le Roux)				Opponent De Jager, J (Jandre)

#	Games	Start				End
1	2	Tournament District 3 Cluster 4 and 5 Individuals 2024				Tournament District 3 Cluster 4 and 5 Individuals 2024
		date 2024-05-06	rnd 3	type Standard	result 1	date 2024-05-06	rnd 4	type Standard	result 0.5
		Opponent Swarts, C (Caleb)				Opponent Ferns, S (Stian Hunter)
2	2	Tournament Tuks Junior Developmental Tournament 2022				Tournament Tuks Junior Developmental Tournament 2022
		date 2022-08-06	rnd 4	type Standard	result 1	date 2022-08-06	rnd 5	type Standard	result 0.5
		Opponent Van Der Merwe, L (Liahne Lizl)				Opponent Niehaus, SJ (Samuel)
3	2	Tournament Tuks Junior Developmental Tournament 2022				Tournament Tuks Junior Developmental Tournament 2022
		date 2022-08-06	rnd 1	type Standard	result 1	date 2022-08-06	rnd 2	type Standard	result 0.5
		Opponent Herbst, AJL (A Le Roux)				Opponent De Jager, J (Jandre)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament 2024 Tshwane North School District Cluster 4 & 5 Team League				Tournament 2024 Tshwane North School District Cluster 4 & 5 Team League
		date 2024-07-20	rnd 3	type Standard	result 1	date 2024-07-20	rnd 3	type Standard	result 1
		Opponent Potgieter, E (Erico)				Opponent Potgieter, E (Erico)
2	1	Tournament 2024 Tshwane North School District Cluster 4 & 5 Team League				Tournament 2024 Tshwane North School District Cluster 4 & 5 Team League
		date 2024-07-20	rnd 1	type Standard	result 1	date 2024-07-20	rnd 1	type Standard	result 1
		Opponent Sambo, A (Amu)				Opponent Sambo, A (Amu)
3	1	Tournament District 3 Cluster 4 and 5 Individuals 2024				Tournament District 3 Cluster 4 and 5 Individuals 2024
		date 2024-05-06	rnd 3	type Standard	result 1	date 2024-05-06	rnd 3	type Standard	result 1
		Opponent Swarts, C (Caleb)				Opponent Swarts, C (Caleb)

#	Games	Start				End
1	1	Tournament 2024 Tshwane North School District Cluster 4 & 5 Team League				Tournament 2024 Tshwane North School District Cluster 4 & 5 Team League
		date 2024-07-20	rnd 3	type Standard	result 1	date 2024-07-20	rnd 3	type Standard	result 1
		Opponent Potgieter, E (Erico)				Opponent Potgieter, E (Erico)
2	1	Tournament 2024 Tshwane North School District Cluster 4 & 5 Team League				Tournament 2024 Tshwane North School District Cluster 4 & 5 Team League
		date 2024-07-20	rnd 1	type Standard	result 1	date 2024-07-20	rnd 1	type Standard	result 1
		Opponent Sambo, A (Amu)				Opponent Sambo, A (Amu)
3	1	Tournament District 3 Cluster 4 and 5 Individuals 2024				Tournament District 3 Cluster 4 and 5 Individuals 2024
		date 2024-05-06	rnd 3	type Standard	result 1	date 2024-05-06	rnd 3	type Standard	result 1
		Opponent Swarts, C (Caleb)				Opponent Swarts, C (Caleb)

No games found.

#	Games	Start				End

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	Potgieter ,E (Erico)	1	1	425	1	1	425	0	0	0	0	0	0
1	Potgieter ,E (Erico)	1	1167.8	1592.8	1	1161.6	1592.8	0	0	0	0	0	0
2	Stolp ,T (Tiaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Stolp ,T (Tiaan)	1	1459.3	1034.3	1	1453.9	1034.3	0	0	0	0	0	0
3	Masilo ,S (Sifiso)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Masilo ,S (Sifiso)	1	1248.4	823.4	1	1257.2	823.4	0	0	0	0	0	0
4	Van Heerden ,JPC (John Paterson Carnavo)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Van Heerden ,JPC (John Paterson Carnavo)	1	1085.2	660.2	1	1082	660.2	0	0	0	0	0	0
5	De Jager ,J (Jandre)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
5	De Jager ,J (Jandre)	1	1132.1	1132.1	1	1126.8	1132.1	0	0	0	0	0	0
6	Raphiri ,M (Matsoga)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Raphiri ,M (Matsoga)	1	1167.5	742.5	1	1160.8	742.5	0	0	0	0	0	0
7	Niehaus ,SJ (Samuel Johannes)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Niehaus ,SJ (Samuel Johannes)	1	1176.7	1176.7	1	1141.5	1176.7	0	0	0	0	0	0
8	Seitei ,N (Neo)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Seitei ,N (Neo)	1	1160.8	735.8	1	1132.6	735.8	0	0	0	0	0	0
9	Skosana ,T (Thapelo)	1	1	425	1	1	425	0	0	0	0	0	0
9	Skosana ,T (Thapelo)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Herbst ,AJL (A Le Roux)	1	1	425	1	1	425	0	0	0	0	0	0
10	Herbst ,AJL (A Le Roux)	1	1212	1637	1	1214.4	1637	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

Coetzee, J (Jevon)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms