Chess South Africa Ratings Database

PLAYER PAGE

Personal

Coulter, J (Jamie)

Chess SA id

1100301069

FIDE id

Date of birth

2010-05-17 (U18)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-12-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1459.7	1448.7	1200	1200
Raw rating	1459.7	1448.7	1200	1200
Weighted rating	1414.2	1410.7	1200	1200
Weighted performance	1417.4	1413.2	0	0
Floor	980.5	974.3	700	700
K-factor	32	32	36	36
Min/Max rating change allowed	114.5	116.3	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	1459.7	1448.7	1200	1200
Analysis
Rating	1459.7	1448.7	1200	1200
Raw rating	1459.7	1448.7	1200	1200
Weighted rating	1414.2	1410.7	1200
Weighted performance	1417.4	1413.2	0
K-factor	32	32	36	36
Floor	980.5	974.3	700	700
Max/Min rating change allowed	114.5	116.3	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	1459.7	1448.7	1200	1200
New weighted rating	1422	1417.6	1200	1200
New weighted performance	1407.8	1403.6	0	0
Temp new rating	1459.7	1448.7	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1459.7	1448.7	1200	1200
New K-factor	32	32	36	36
New floor	980.5	974.3	700	700

Item	Main	Standard
	0	0
	20	20
	20	20
	0	0
	0	0
	0	0
History	40	40

Games since
	Main 40	Standard 40		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	1904		660		223
Male	1576		536		186
U16	263		88		34
U16 Male	207		67		27
Standard
	RSA		Province		Region
Overall	1955		725		231
Male	1599		589		190
U16	288		102		37
U16 Male	224		77		30
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	20	12.5	62.5	106.2	1373.9	1480.2
Standard	20	12.5	62.5	106.2	1373.9	1480.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	40	26	65	127.5	1340.7	1468.2
Standard	40	26	65	127.5	1340.7	1468.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1459.7	1448.7	1200	1200
2025-11-30	1428.4	1412.9	1200	1200
2025-11-01	1428.4	1412.9	1200	1200
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
2024-11-01	1244.5	1253.6	1200	1200
2024-07-01	1244.5	1253.6	1200	1200
2024-06-01	1244.5	1253.6	1200	1200
2024-05-01	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

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	Gauteng Inter-Region at Emerald Resort 2025 (U16+18 Candidates)	2025-12-06	2025-12-07	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
2	2025 Gauteng Top Schools Teams (U17)	2025-08-30	2025-08-30	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
3	2025 Gauteng Schools Provincial Individual Chess Championship (U15 Boys)	2025-09-27	2025-09-27	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
4	JMC Crawford Sandton 2025 (C)	2025-05-10	2025-05-10	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
5	JMC Kick Off 2025 (C)	2025-02-02	2025-02-02	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
6	Gauteng Inter-Region at UJ 2024 (U16 Candidates)	2024-12-07	2024-12-08	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
7	Gauteng Schools Individuals Finals 2024 (U15 Boys)	2024-08-17	2024-08-17	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
8	JMC Closed 2024 (D)	2024-08-09	2024-08-11	Standard	Johannesburg Metro (GJM)	5	5	5	Yes	Analysis
9	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	Naude ,J (Johan)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Naude ,J (Johan)	1	1454.3	1029.3	1	1457.7	1029.3	0	0	0	0	0	0
3	Tsai ,R (Ray)	1	1	425	1	1	425	0	0	0	0	0	0
3	Tsai ,R (Ray)	1	1352.7	1777.7	1	1298.8	1777.7	0	0	0	0	0	0
4	Crowie ,A (Allegra)	1	1	425	1	1	425	0	0	0	0	0	0
4	Crowie ,A (Allegra)	1	1456.9	1881.9	1	1445	1881.9	0	0	0	0	0	0
5	Waring ,G (Gabriel)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Waring ,G (Gabriel)	1	1349.2	924.2	1	1335.9	924.2	0	0	0	0	0	0
6	Greyling ,A (Alexander)	1	1	425	1	1	425	0	0	0	0	0	0
6	Greyling ,A (Alexander)	1	1324.3	1749.3	1	1344.7	1749.3	0	0	0	0	0	0
7	Bijker ,W (Waldo)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Bijker ,W (Waldo)	1	1466.2	1041.2	1	1466	1041.2	0	0	0	0	0	0
8	Britz ,W (Wian)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Britz ,W (Wian)	1	1369.1	944.1	1	1347.8	944.1	0	0	0	0	0	0
9	Deysel ,K (Kaleb)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Deysel ,K (Kaleb)	1	1802.1	1377.1	1	1806.8	1377.1	0	0	0	0	0	0
10	Steele ,SJ (Sangwani Jude)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
10	Steele ,SJ (Sangwani Jude)	1	1315.8	1315.8	1	1313.5	1315.8	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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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