Chess South Africa Ratings Database

PLAYER PAGE

Personal

Maphiri, J (Jan)

Chess SA id

1140156028

FIDE id

Date of birth

2014-06-02 (U12)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-16

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1198.7	1201.7	1200	1200
Raw rating	1198.7	1201.7	1200	1200
Weighted rating	1174.5	1172	1200	1200
Weighted performance	0	0	0	0
Floor	700	701.7	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	166.1	165.4	165.8	165.8
Highest rating	1200 2018-10-01	1201.7 2025-09-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1201.7 2025-09-01	1200 2024-02-01	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 2019-12-01	1200 2019-12-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1198.7	1201.7	1200	1200
Analysis
Rating	1198.7	1201.7	1200	1200
Raw rating	1198.7	1201.7	1200	1200
Weighted rating	1174.5	1172	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	701.7	700	700
Max/Min rating change allowed	166.1	165.4	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	1198.7	1201.7	1200	1200
New weighted rating	1177.1	1175.2	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1198.7	1201.7	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1198.7	1201.7	1200	1200
New K-factor	36	36	36	36
New floor	700	701.7	700	700

Item	Main	Standard
	0	0
	5	5
	5	5
	10	10
	0	0
	0	0
History	20	20

Games since
	Main 10	Standard 10		Rapid 0		Blitz 0
Gender	Male
Age group	U12
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 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	5	3	60	85	1245.8	1330.8
Standard	5	3	60	85	1245.8	1330.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	20	9	45	-42.5	1209.6	1167.1
Standard	20	9	45	-42.5	1209.6	1167.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1198.7	1201.7	1200	1200
2025-09-30	1198.7	1201.7	1200	1200
2025-09-01	1198.7	1201.7	1200	1200
2025-08-01	1172.2	1169.3	1200	1200
2025-07-01	1172.2	1169.3	1200	1200
2025-06-01	1172.2	1169.3	1200	1200
2025-05-01	1172.2	1169.3	1200	1200
2025-04-01	1172.2	1169.3	1200	1200
2025-03-01	1172.2	1169.3	1200	1200
2025-02-01	1172.2	1169.3	1200	1200
2025-01-01	1172.2	1169.3	1200	1200
2024-12-01	1172.2	1169.3	1200	1200
2024-11-01	1172.2	1169.3	1200	1200
2024-10-01	1172.2	1169.3	1200	1200
2024-09-01	1172.2	1169.3	1200	1200
2024-08-01	1147.1	1137.3	1200	1200
2024-07-01	1147.1	1137.3	1200	1200
2024-09-01	1147.1	1137.3	1200	1200
2024-05-01	1147.1	1137.3	1200	1200
2024-04-01	1147.1	1137.3	1200	1200
2024-03-01	1147.1	1137.3	1200	1200
2024-02-01	1147.1	1137.3	1200	1200
2024-01-01	1147.1	1137.3	1200	1200
2023-12-01	1147.1	1137.3	1200	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	2025 Tshwane North District CLOSED Team Championships (D3) (U11)	2025-08-16	2025-08-16	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Tshwane North District CLOSED Team Championships (D3) (U11)	2025-08-16	2025-08-16	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
2	2024 Tshwane North School District Team League Finals (U11)	2024-08-03	2024-08-03	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
3	2023 Tshwane North School District CLOSED League Championships (D3)	2023-08-12	2023-08-12	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
4	2023 Tshwane North School District CLOSED Individual Championships (D3)	2023-05-13	2023-05-13	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis

#	Games	Start				End
1	6	Tournament 2024 Tshwane North School District Team League Finals				Tournament 2025 Tshwane North District CLOSED Team Championships (D3)
		date 2024-08-03	rnd 3	type Standard	result 1	date 2025-08-16	rnd 3	type Standard	result 1
		Opponent Peenz, M (Marnus)				Opponent Human, M (Michael Anthony)
2	2	Tournament 2023 Tshwane North School District CLOSED League Championships				Tournament 2023 Tshwane North School District CLOSED League Championships
		date 2023-08-12	rnd 2	type Standard	result 1	date 2023-08-12	rnd 3	type Standard	result 1
		Opponent Hinkman, R (Ronaldo)				Opponent Lerebo, Z (Zrebabel)
3	1	Tournament 2023 Tshwane North School District CLOSED Individual Championships				Tournament 2023 Tshwane North School District CLOSED Individual Championships
		date 2023-05-13	rnd 4	type Standard	result 1	date 2023-05-13	rnd 4	type Standard	result 1
		Opponent Movhengwa, M (Micheal)				Opponent Movhengwa, M (Micheal)

#	Games	Start				End
1	6	Tournament 2024 Tshwane North School District Team League Finals				Tournament 2025 Tshwane North District CLOSED Team Championships (D3)
		date 2024-08-03	rnd 3	type Standard	result 1	date 2025-08-16	rnd 3	type Standard	result 1
		Opponent Peenz, M (Marnus)				Opponent Human, M (Michael Anthony)
2	2	Tournament 2023 Tshwane North School District CLOSED League Championships				Tournament 2023 Tshwane North School District CLOSED League Championships
		date 2023-08-12	rnd 2	type Standard	result 1	date 2023-08-12	rnd 3	type Standard	result 1
		Opponent Hinkman, R (Ronaldo)				Opponent Lerebo, Z (Zrebabel)
3	1	Tournament 2023 Tshwane North School District CLOSED Individual Championships				Tournament 2023 Tshwane North School District CLOSED Individual Championships
		date 2023-05-13	rnd 4	type Standard	result 1	date 2023-05-13	rnd 4	type Standard	result 1
		Opponent Movhengwa, M (Micheal)				Opponent Movhengwa, M (Micheal)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament 2024 Tshwane North School District Team League Finals				Tournament 2025 Tshwane North District CLOSED Team Championships (D3)
		date 2024-08-03	rnd 3	type Standard	result 1	date 2025-08-16	rnd 3	type Standard	result 1
		Opponent Peenz, M (Marnus)				Opponent Human, M (Michael Anthony)
2	2	Tournament 2023 Tshwane North School District CLOSED League Championships				Tournament 2023 Tshwane North School District CLOSED League Championships
		date 2023-08-12	rnd 2	type Standard	result 1	date 2023-08-12	rnd 3	type Standard	result 1
		Opponent Hinkman, R (Ronaldo)				Opponent Lerebo, Z (Zrebabel)
3	1	Tournament 2023 Tshwane North School District CLOSED Individual Championships				Tournament 2023 Tshwane North School District CLOSED Individual Championships
		date 2023-05-13	rnd 4	type Standard	result 1	date 2023-05-13	rnd 4	type Standard	result 1
		Opponent Movhengwa, M (Micheal)				Opponent Movhengwa, M (Micheal)

#	Games	Start				End
1	6	Tournament 2024 Tshwane North School District Team League Finals				Tournament 2025 Tshwane North District CLOSED Team Championships (D3)
		date 2024-08-03	rnd 3	type Standard	result 1	date 2025-08-16	rnd 3	type Standard	result 1
		Opponent Peenz, M (Marnus)				Opponent Human, M (Michael Anthony)
2	2	Tournament 2023 Tshwane North School District CLOSED League Championships				Tournament 2023 Tshwane North School District CLOSED League Championships
		date 2023-08-12	rnd 2	type Standard	result 1	date 2023-08-12	rnd 3	type Standard	result 1
		Opponent Hinkman, R (Ronaldo)				Opponent Lerebo, Z (Zrebabel)
3	1	Tournament 2023 Tshwane North School District CLOSED Individual Championships				Tournament 2023 Tshwane North School District CLOSED Individual Championships
		date 2023-05-13	rnd 4	type Standard	result 1	date 2023-05-13	rnd 4	type Standard	result 1
		Opponent Movhengwa, M (Micheal)				Opponent Movhengwa, M (Micheal)

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	Botes ,L (Luco Abraham)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Botes ,L (Luco Abraham)	1	1211.3	786.3	1	1214.4	786.3	0	0	0	0	0	0
2	Peenz ,M (Marnus)	1	1	425	1	1	425	0	0	0	0	0	0
2	Peenz ,M (Marnus)	1	1196.7	1621.7	1	1195.2	1621.7	0	0	0	0	0	0
3	Erasmus ,T (Trisa)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Erasmus ,T (Trisa)	1	1479.9	1054.9	1	1482.5	1054.9	0	0	0	0	0	0
4	Nel ,A (Armand)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Nel ,A (Armand)	1	1163.8	738.8	1	1155.6	738.8	0	0	0	0	0	0
5	Selape ,K (Kano)	1	1	425	1	1	425	0	0	0	0	0	0
5	Selape ,K (Kano)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Matjila ,A (Amogelang)	1	1	425	1	1	425	0	0	0	0	0	0
6	Matjila ,A (Amogelang)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Erasmus ,H (Heinrich)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Erasmus ,H (Heinrich)	1	1181.4	756.4	1	1175.8	756.4	0	0	0	0	0	0
8	Maleka ,K (Katlego)	1	1	425	1	1	425	0	0	0	0	0	0
8	Maleka ,K (Katlego)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Froneman ,R (Reinard)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Froneman ,R (Reinard)	1	1215.5	790.5	1	1217.6	790.5	0	0	0	0	0	0
10	Krog ,G (Gerhard)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Krog ,G (Gerhard)	1	1192	767	1	1189.6	767	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

Maphiri, J (Jan)

Ratings

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Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms