Chess South Africa Ratings Database

PLAYER PAGE

Personal

Coulter, J (Jamie)

Chess SA id

1100301069

FIDE id

Date of birth

2010-05-17 (U16)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-05-10

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1530.3

Item	Main	Standard	Rapid	Blitz
Rating	1480.5	1474.3	1200	1200
Raw rating	1480.5	1474.3	1200	1200
Weighted rating	1391.2	1391.4	1200	1200
Weighted performance	1416.3	1409.2	0	0
Floor	980.5	974.3	700	700
K-factor	32	32	36	36
Min/Max rating change allowed	111.2	112.2	165.8	165.8
Highest rating	1534.4 2024-08-01	1524.1 2024-08-01	1200 2024-04-01	1200 2024-04-01
Highest raw rating	1480.5 2025-06-01	1474.3 2025-06-01	1200 2024-04-01	1200 2024-04-01
Highest weighted rating	1480.5 2024-10-01	1474.3 2024-10-01	1200 2024-04-01	1200 2024-04-01
Highest weighted performance	1534.4 2024-08-01	1524.1 2024-08-01	1200 2024-04-01	1200 2024-04-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1480.5	1474.3	1200	1200
Analysis
Rating	1480.5	1474.3	1200	1200
Raw rating	1480.5	1474.3	1200	1200
Weighted rating	1391.2	1391.4	1200
Weighted performance	1416.3	1409.2	0
K-factor	32	32	36	36
Floor	980.5	974.3	700	700
Max/Min rating change allowed	111.2	112.2	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	1480.5	1474.3	1200	1200
New weighted rating	1403	1402.5	1200	1200
New weighted performance	1415.8	1408.6	0	0
Temp new rating	1480.5	1474.3	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1480.5	1474.3	1200	1200
New K-factor	32	32	36	36
New floor	980.5	974.3	700	700

Item	Main	Standard
	0	0
	10	10
	20	20
	0	0
	0	0
	0	0
History	30	30

Games since
	Main 30	Standard 30		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
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	1366		500		166
Male	1152		414		141
U16	191		57		20
U16 Male	150		41		15
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
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	8	80	255	1385.8	1640.8
Standard	10	8	80	255	1385.8	1640.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	30	21.5	71.67	184.2	1333.6	1517.7
Standard	30	21.5	71.67	184.2	1333.6	1517.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1480.5	1474.3	1200	1200
2025-09-01	1480.5	1474.3	1200	1200
2025-08-01	1480.5	1474.3	1200	1200
2025-07-01	1480.5	1474.3	1200	1200
2025-06-01	1480.5	1474.3	1200	1200
2025-05-01	1454.8	1449.4	1200	1200
2025-04-01	1454.8	1449.4	1200	1200
2025-03-01	1454.8	1449.4	1200	1200
2025-02-01	1337.1	1344	1200	1200
2025-01-01	1337.1	1344	1200	1200
2024-12-01	1339.5	1348.3	1200	1200
2024-11-01	1339.5	1348.3	1200	1200
2024-10-01	1339.5	1348.3	1200	1200
2024-09-01	1315.9	1324.9	1200	1200
2024-08-01	1244.5	1253.6	1200	1200
2024-07-01	1244.5	1253.6	1200	1200
2024-06-01	1244.5	1253.6	1200	1200
2024-08-01	1244.5	1253.6	1200	1200
2024-04-01	1244.5	1253.6	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200
2023-11-01	1200	1200	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	JMC Crawford Sandton 2025 (C)	2025-05-10	2025-05-10	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
2	JMC Kick Off 2025 (C)	2025-02-02	2025-02-02	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	JMC Crawford Sandton 2025 (C)	2025-05-10	2025-05-10	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
2	JMC Kick Off 2025 (C)	2025-02-02	2025-02-02	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
3	Gauteng Inter-Region at UJ 2024 (U16 Candidates)	2024-12-07	2024-12-08	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
4	Gauteng Schools Individuals Finals 2024 (U15 Boys)	2024-08-17	2024-08-17	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
5	JMC Closed 2024 (D)	2024-08-09	2024-08-11	Standard	Johannesburg Metro (GJM)	5	5	5	Yes	Analysis
6	1st Knights Open Tournament 2024 (C)	2024-03-23	2024-03-23	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis

#	Games	Start				End
1	5	Tournament JMC Closed 2024				Tournament JMC Closed 2024
		date 2024-08-09	rnd 1	type Standard	result 1	date 2024-08-11	rnd 5	type Standard	result 1
		Opponent Mathibe, K (Koketso)				Opponent Upadhyay, S (Savya)
2	4	Tournament JMC Crawford Sandton 2025				Tournament JMC Crawford Sandton 2025
		date 2025-05-10	rnd 2	type Standard	result 1	date 2025-05-10	rnd 5	type Standard	result 1
		Opponent Upadhyay, S (Savya)				Opponent Tsai, R (Ray)
3	4	Tournament JMC Kick Off 2025				Tournament JMC Kick Off 2025
		date 2025-02-02	rnd 1	type Standard	result 1	date 2025-02-02	rnd 4	type Standard	result 1
		Opponent Du Toit, M (Monika)				Opponent Maharaj, A (Aditi)

#	Games	Start				End
1	5	Tournament JMC Closed 2024				Tournament JMC Closed 2024
		date 2024-08-09	rnd 1	type Standard	result 1	date 2024-08-11	rnd 5	type Standard	result 1
		Opponent Mathibe, K (Koketso)				Opponent Upadhyay, S (Savya)
2	4	Tournament JMC Crawford Sandton 2025				Tournament JMC Crawford Sandton 2025
		date 2025-05-10	rnd 2	type Standard	result 1	date 2025-05-10	rnd 5	type Standard	result 1
		Opponent Upadhyay, S (Savya)				Opponent Tsai, R (Ray)
3	4	Tournament JMC Kick Off 2025				Tournament JMC Kick Off 2025
		date 2025-02-02	rnd 1	type Standard	result 1	date 2025-02-02	rnd 4	type Standard	result 1
		Opponent Du Toit, M (Monika)				Opponent Maharaj, A (Aditi)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament JMC Closed 2024				Tournament JMC Closed 2024
		date 2024-08-09	rnd 1	type Standard	result 1	date 2024-08-11	rnd 5	type Standard	result 1
		Opponent Mathibe, K (Koketso)				Opponent Upadhyay, S (Savya)
2	4	Tournament JMC Crawford Sandton 2025				Tournament JMC Crawford Sandton 2025
		date 2025-05-10	rnd 2	type Standard	result 1	date 2025-05-10	rnd 5	type Standard	result 1
		Opponent Upadhyay, S (Savya)				Opponent Tsai, R (Ray)
3	4	Tournament JMC Kick Off 2025				Tournament JMC Kick Off 2025
		date 2025-02-02	rnd 1	type Standard	result 1	date 2025-02-02	rnd 4	type Standard	result 1
		Opponent Du Toit, M (Monika)				Opponent Maharaj, A (Aditi)

#	Games	Start				End
1	5	Tournament JMC Closed 2024				Tournament JMC Closed 2024
		date 2024-08-09	rnd 1	type Standard	result 1	date 2024-08-11	rnd 5	type Standard	result 1
		Opponent Mathibe, K (Koketso)				Opponent Upadhyay, S (Savya)
2	4	Tournament JMC Crawford Sandton 2025				Tournament JMC Crawford Sandton 2025
		date 2025-05-10	rnd 2	type Standard	result 1	date 2025-05-10	rnd 5	type Standard	result 1
		Opponent Upadhyay, S (Savya)				Opponent Tsai, R (Ray)
3	4	Tournament JMC Kick Off 2025				Tournament JMC Kick Off 2025
		date 2025-02-02	rnd 1	type Standard	result 1	date 2025-02-02	rnd 4	type Standard	result 1
		Opponent Du Toit, M (Monika)				Opponent Maharaj, A (Aditi)

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	Upadhyay ,S (Savya)	2	2	425	2	2	425	0	0	0	0	0	0
1	Upadhyay ,S (Savya)	2	1307.8	1732.8	2	1290.2	1732.8	0	0	0	0	0	0
2	Dippenaar ,L (Lian)	1	1	425	1	1	425	0	0	0	0	0	0
2	Dippenaar ,L (Lian)	1	1264.8	1689.8	1	1259.8	1689.8	0	0	0	0	0	0
3	Sadalla ,J (Johnny)	1	1	425	1	1	425	0	0	0	0	0	0
3	Sadalla ,J (Johnny)	1	1347.8	1772.8	1	1387.2	1772.8	0	0	0	0	0	0
4	Mann ,L (Leane)	1	1	425	1	1	425	0	0	0	0	0	0
4	Mann ,L (Leane)	1	1386	1811	1	1387	1811	0	0	0	0	0	0
5	Jansen Van Rensburg ,N (Nicholas)	1	1	425	1	1	425	0	0	0	0	0	0
5	Jansen Van Rensburg ,N (Nicholas)	1	1307.8	1732.8	1	1282.9	1732.8	0	0	0	0	0	0
6	Meyambo ,U (Unathi)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
6	Meyambo ,U (Unathi)	1	1403.4	1403.4	1	1417.4	1403.4	0	0	0	0	0	0
7	Barker ,R (Ryan)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Barker ,R (Ryan)	1	1408	983	1	1411.5	983	0	0	0	0	0	0
8	Moatlhodi ,K (Keabetswe)	1	1	425	1	1	425	0	0	0	0	0	0
8	Moatlhodi ,K (Keabetswe)	1	1151.5	1576.5	1	1138.4	1576.5	0	0	0	0	0	0
9	Maharaj ,A (Arya)	1	1	425	1	1	425	0	0	0	0	0	0
9	Maharaj ,A (Arya)	1	1416.8	1841.8	1	1419.7	1841.8	0	0	0	0	0	0
10	Mohonwe ,LK (Lebone Kgosi)	1	1	425	1	1	425	0	0	0	0	0	0
10	Mohonwe ,LK (Lebone Kgosi)	1	1224.4	1649.4	1	1224.8	1649.4	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

Coulter, J (Jamie)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms