Chess South Africa Ratings Database

PLAYER PAGE

Personal

Kamfer, J (Johnlin)

Chess SA id

1100154575

FIDE id

Date of birth

2010-08-25 (U16)

Gender

Male

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-06-16

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1224.9	1188.5	1263.8	1200
Raw rating	1224.9	1188.5	1263.8	1200
Weighted rating	1202.5	1186.8	1226.3	1200
Weighted performance	1107.8	0	1186.7	0
Floor	724.9	700	763.8	700
K-factor	36	36	36	36
Min/Max rating change allowed	160	168.6	151.4	165.8
Highest rating	1233.9 2023-04-01	1200 2018-10-01	1303.7 2023-04-01	1200 2018-10-01
Highest raw rating	1224.9 2025-07-01	1200 2024-02-01	1263.8 2025-07-01	1200 2024-02-01
Highest weighted rating	1224.9 2023-06-01	1200 2018-10-01	1263.8 2023-06-01	1200 2018-10-01
Highest weighted performance	1233.9 2023-04-01	1200 2024-02-01	1303.7 2023-04-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1224.9	1188.5	1263.8	1200
Analysis
Rating	1224.9	1188.5	1263.8	1200
Raw rating	1224.9	1188.5	1263.8	1200
Weighted rating	1202.5	1186.8	1226.3
Weighted performance	1107.8	0	1186.7
K-factor	36	36	36	36
Floor	724.9	700	763.8	700
Max/Min rating change allowed	160	168.6	151.4	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	1224.9	1188.5	1263.8	1200
New weighted rating	1204.6	1186.7	1230.3	1200
New weighted performance	1107.4	0	1186.3	0
Temp new rating	1224.9	1188.5	1263.8	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1224.9	1188.5	1263.8	1200
New K-factor	36	36	36	36
New floor	724.9	700	763.8	700

Item	Main	Standard	Rapid
	0	0	0
	10	0	10
	19	4	15
	10	0	10
	0	0	0
	0	0	0
History	39	4	35

Games since
	Main 29	Standard 4		Rapid 25		Blitz 0
Gender	Male
Age group	U16
Region	West Coast (WCU)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	1242		630		149
Male	1006		493		109
U16	192		97		26
U16 Male	153		76		18
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	10	6	60	85	1241.4	1326.4
Standard	0	0	0	0	0	0
Rapid	10	6	60	85	1241.4	1326.4
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	39	20	51.28	10.9	1210.9	1221.8
Standard	4	1	25	-212.5	1302	1089.5
Rapid	35	19	54.29	36.4	1200.5	1237
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1224.9	1188.5	1263.8	1200
2025-09-01	1224.9	1188.5	1263.8	1200
2025-08-01	1224.9	1188.5	1263.8	1200
2025-07-01	1224.9	1188.5	1263.8	1200
2025-06-01	1206	1188.5	1231.9	1200
2025-05-01	1192.4	1188.5	1210.7	1200
2025-04-01	1192.4	1188.5	1210.7	1200
2025-03-01	1192.4	1188.5	1210.7	1200
2025-02-01	1192.1	1187.6	1210.7	1200
2025-01-01	1184.9	1171.2	1210.7	1200
2024-12-01	1184.9	1171.2	1210.7	1200
2024-11-01	1184.9	1171.2	1210.7	1200
2024-10-01	1184.9	1171.2	1210.7	1200
2024-09-01	1184.9	1171.2	1210.7	1200
2024-08-01	1200.7	1200	1210.7	1200
2024-07-01	1200.7	1200	1210.7	1200
2024-06-01	1200.7	1200	1210.7	1200
2024-08-01	1197.7	1200	1196.7	1200
2024-04-01	1197.7	1200	1196.7	1200
2024-03-01	1197.7	1200	1196.7	1200
2024-02-01	1194.2	1200	1184.8	1200
2024-01-01	1194.2	1200	1184.8	1200
2023-12-01	1194.2	1200	1184.8	1200
2023-11-01	1194.2	1200	1184.8	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	Shakirah Ruiters Youth Tournament 2025 (Advanced)	2025-06-16	2025-06-16	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
2	Brenton Cupido West Coast Development Championship 2025 (U15 Boys)	2025-05-24	2025-05-24	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Shakirah Ruiters Youth Tournament 2025 (Advanced)	2025-06-16	2025-06-16	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
2	Brenton Cupido West Coast Development Championship 2025 (U15 Boys)	2025-05-24	2025-05-24	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
3	Pedro Booyse Top Schools Championships 2024 (U15)	2024-07-20	2024-07-20	Standard	West Coast (WCU)	5	4	1	Yes	Analysis
4	Bo-Weskus Skole Skaak Top Skole 2024 (O15)	2024-05-11	2024-05-11	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
5	Lambersbaai Open 2024 (A)	2024-05-01	2024-05-01	Rapid	West Coast (WCU)	5	5	2	Yes	Analysis
6	West Coast Schools Chess Prestige Championships 2024 (U15 Boys)	2024-02-24	2024-02-24	Rapid	West Coast (WCU)	5	0	0	No	Analysis
7	Bo-Weskus Skole Prestige 2024 (O15 Seuns)	2024-02-10	2024-02-10	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
8	Youth Day 2 2023 (Open)	2023-06-24	2023-06-24	Rapid	West Coast (WCU)	5	5	2	Yes	Analysis
9	West Coast Schools Development Championships 2023 (U13 Boys)	2023-04-22	2023-04-22	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis

#	Games	Start				End
1	3	Tournament Youth Day 2 2023				Tournament Bo-Weskus Skole Prestige 2024
		date 2023-06-24	rnd 4	type Rapid	result 1	date 2024-02-10	rnd 1	type Rapid	result 1
		Opponent Ruiters, S (Shakirah)				Opponent Consalves, K (Kingston)
2	2	Tournament Shakirah Ruiters Youth Tournament 2025				Tournament Shakirah Ruiters Youth Tournament 2025
		date 2025-06-16	rnd 1	type Rapid	result 1	date 2025-06-16	rnd 2	type Rapid	result 1
		Opponent Hollenbaght, J (Jamila)				Opponent Horse, T (Tihano)
3	2	Tournament Brenton Cupido West Coast Development Championship 2025				Tournament Brenton Cupido West Coast Development Championship 2025
		date 2025-05-24	rnd 3	type Rapid	result 1	date 2025-05-24	rnd 4	type Rapid	result 1
		Opponent Fontini, C (Calum)				Opponent Brand, E (Evan)

#	Games	Start				End
1	1	Tournament Pedro Booyse Top Schools Championships 2024				Tournament Pedro Booyse Top Schools Championships 2024
		date 2024-07-20	rnd 1	type Standard	result 1	date 2024-07-20	rnd 1	type Standard	result 1
		Opponent Sauls, J (Jada)				Opponent Sauls, J (Jada)

#	Games	Start				End
1	3	Tournament Youth Day 2 2023				Tournament Bo-Weskus Skole Prestige 2024
		date 2023-06-24	rnd 4	type Rapid	result 1	date 2024-02-10	rnd 1	type Rapid	result 1
		Opponent Ruiters, S (Shakirah)				Opponent Consalves, K (Kingston)
2	2	Tournament Shakirah Ruiters Youth Tournament 2025				Tournament Shakirah Ruiters Youth Tournament 2025
		date 2025-06-16	rnd 1	type Rapid	result 1	date 2025-06-16	rnd 2	type Rapid	result 1
		Opponent Hollenbaght, J (Jamila)				Opponent Horse, T (Tihano)
3	2	Tournament Brenton Cupido West Coast Development Championship 2025				Tournament Brenton Cupido West Coast Development Championship 2025
		date 2025-05-24	rnd 3	type Rapid	result 1	date 2025-05-24	rnd 4	type Rapid	result 1
		Opponent Fontini, C (Calum)				Opponent Brand, E (Evan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Youth Day 2 2023				Tournament Bo-Weskus Skole Prestige 2024
		date 2023-06-24	rnd 4	type Rapid	result 1	date 2024-02-10	rnd 1	type Rapid	result 1
		Opponent Ruiters, S (Shakirah)				Opponent Consalves, K (Kingston)
2	2	Tournament Shakirah Ruiters Youth Tournament 2025				Tournament Shakirah Ruiters Youth Tournament 2025
		date 2025-06-16	rnd 1	type Rapid	result 1	date 2025-06-16	rnd 2	type Rapid	result 1
		Opponent Hollenbaght, J (Jamila)				Opponent Horse, T (Tihano)
3	2	Tournament Brenton Cupido West Coast Development Championship 2025				Tournament Brenton Cupido West Coast Development Championship 2025
		date 2025-05-24	rnd 3	type Rapid	result 1	date 2025-05-24	rnd 4	type Rapid	result 1
		Opponent Fontini, C (Calum)				Opponent Brand, E (Evan)

#	Games	Start				End
1	1	Tournament Pedro Booyse Top Schools Championships 2024				Tournament Pedro Booyse Top Schools Championships 2024
		date 2024-07-20	rnd 1	type Standard	result 1	date 2024-07-20	rnd 1	type Standard	result 1
		Opponent Sauls, J (Jada)				Opponent Sauls, J (Jada)

#	Games	Start				End
1	3	Tournament Youth Day 2 2023				Tournament Bo-Weskus Skole Prestige 2024
		date 2023-06-24	rnd 4	type Rapid	result 1	date 2024-02-10	rnd 1	type Rapid	result 1
		Opponent Ruiters, S (Shakirah)				Opponent Consalves, K (Kingston)
2	2	Tournament Shakirah Ruiters Youth Tournament 2025				Tournament Shakirah Ruiters Youth Tournament 2025
		date 2025-06-16	rnd 1	type Rapid	result 1	date 2025-06-16	rnd 2	type Rapid	result 1
		Opponent Hollenbaght, J (Jamila)				Opponent Horse, T (Tihano)
3	2	Tournament Brenton Cupido West Coast Development Championship 2025				Tournament Brenton Cupido West Coast Development Championship 2025
		date 2025-05-24	rnd 3	type Rapid	result 1	date 2025-05-24	rnd 4	type Rapid	result 1
		Opponent Fontini, C (Calum)				Opponent Brand, E (Evan)

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	Shoshola ,D (Diego)	3	0	-425	0	0	0	3	0	-425	0	0	0
1	Shoshola ,D (Diego)	3	1260.4	835.4	0	0	0	3	1313.1	835.4	0	0	0
2	Kriel ,Z (Zaydon)	2	0	-425	1	0	-425	1	0	-425	0	0	0
2	Kriel ,Z (Zaydon)	2	1355.8	930.8	1	1212.4	930.8	1	1390.5	930.8	0	0	0
3	Ruiters ,S (Shakirah)	2	2	425	0	0	0	2	2	425	0	0	0
3	Ruiters ,S (Shakirah)	2	1028.5	1453.5	0	0	0	2	969.8	1453.5	0	0	0
4	Lenee ,G (Gauis)	2	1	0	0	0	0	2	1	0	0	0	0
4	Lenee ,G (Gauis)	2	1274.7	1274.7	0	0	0	2	1296.9	1274.7	0	0	0
5	Adonis ,J (Jermaine)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Adonis ,J (Jermaine)	1	1330.4	905.4	1	1264.4	905.4	0	0	0	0	0	0
6	Sauls ,J (Jada)	1	1	425	1	1	425	0	0	0	0	0	0
6	Sauls ,J (Jada)	1	1302.3	1727.3	1	1327.3	1727.3	0	0	0	0	0	0
7	Brand ,E (Evan)	1	1	425	0	0	0	1	1	425	0	0	0
7	Brand ,E (Evan)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
8	Siebritz ,N (Noelle)	1	1	425	0	0	0	1	1	425	0	0	0
8	Siebritz ,N (Noelle)	1	1125.9	1550.9	0	0	0	1	1186.3	1550.9	0	0	0
9	Erasmus ,T (Thomas)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Erasmus ,T (Thomas)	1	1200	775	0	0	0	1	1200	775	0	0	0
10	Mannel ,M (Marcus)	1	1	425	0	0	0	1	1	425	0	0	0
10	Mannel ,M (Marcus)	1	1200	1625	0	0	0	1	1200	1625	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Kamfer, J (Johnlin)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms