Chess South Africa Ratings Database

PLAYER PAGE

Personal

Stuurman, J (John)

Chess SA id

1120308101

FIDE id

Date of birth

2012-04-03 (U14)

Gender

Male

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-08-17

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1145.5	1151.5	1162.7	1200
Raw rating	1145.5	1151.5	1162.7	1200
Weighted rating	1137.5	1144.4	1156.9	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	179.2	177.7	174.9	165.8
Highest rating	1200 2024-07-01	1200 2024-07-01	1200 2024-07-01	1200 2024-10-01
Highest raw rating	1200 2024-07-01	1200 2024-07-01	1200 2024-07-01	1200 2024-10-01
Highest weighted rating	1200 2024-07-01	1200 2024-07-01	1200 2024-07-01	1200 2024-10-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-07-01	1200 2024-10-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1145.5	1151.5	1162.7	1200
Analysis
Rating	1145.5	1151.5	1162.7	1200
Raw rating	1145.5	1151.5	1162.7	1200
Weighted rating	1137.5	1144.4	1156.9
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	179.2	177.7	174.9	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	1145.5	1151.5	1162.7	1200
New weighted rating	1137.2	1144.2	1156.8	1200
New weighted performance	0	0	0	0
Temp new rating	1145.5	1151.5	1162.7	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1145.5	1151.5	1162.7	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	10	5	5
	0	0	0
	0	0	0
	0	0	0
History	10	5	5

Games since
	Main 10	Standard 5		Rapid 5		Blitz 0
Gender	Male
Age group	U14
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	10	0	0	-425	1225.2	800.2
Standard	5	0	0	-425	1236.8	811.8
Rapid	5	0	0	-425	1213.7	788.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1145.5	1151.5	1162.7	1200
2025-09-30	1145.5	1151.5	1162.7	1200
2025-09-01	1145.5	1151.5	1162.7	1200
2025-08-01	1145.5	1151.5	1162.7	1200
2025-07-01	1145.5	1151.5	1162.7	1200
2025-06-01	1145.5	1151.5	1162.7	1200
2025-05-01	1145.5	1151.5	1162.7	1200
2025-04-01	1145.5	1151.5	1162.7	1200
2025-03-01	1145.5	1151.5	1162.7	1200
2025-02-01	1142.4	1149	1159.9	1200
2025-01-01	1076.7	1096	1106.8	1200
2024-12-01	1076.7	1096	1106.8	1200
2024-11-01	1076.7	1096	1106.8	1200
2024-10-01	1076.7	1096	1106.8	1200
2024-09-01	1076.7	1096	1106.8	1200
2024-08-01	1123	1096	1200	1200
2024-07-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-05-01	1200	1200	1200	1200
2024-04-01	1200	1200	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

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	Stellenbosch Primary 2024 (U13)	2024-08-17	2024-08-17	Rapid	Cape Winelands (WCW)	5	5	0	Yes	Analysis
2	Cape Winelands - Top Schools 2024 (U13 Mixed)	2024-07-27	2024-07-27	Standard	Cape Winelands (WCW)	5	5	0	Yes	Analysis

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

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	Van Wyk ,L (Luca)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Van Wyk ,L (Luca)	1	1203.7	778.7	1	1224.4	778.7	0	0	0	0	0	0
2	Edons ,M (Mihandro)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Edons ,M (Mihandro)	1	1209.4	784.4	1	1143	784.4	0	0	0	0	0	0
3	Le Fleur ,C (Caydene)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Le Fleur ,C (Caydene)	1	1181.7	756.7	1	1168.3	756.7	0	0	0	0	0	0
4	Petersen ,T (Tamrin Keisha)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Petersen ,T (Tamrin Keisha)	1	1134.3	709.3	1	1086	709.3	0	0	0	0	0	0
5	Cornelius ,L (Laythan)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Cornelius ,L (Laythan)	1	1454.8	1029.8	1	1332.2	1029.8	0	0	0	0	0	0
6	Lewis ,C (Craigon)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Lewis ,C (Craigon)	1	1085.8	660.8	0	0	0	1	1112	660.8	0	0	0
7	Wareley ,C (Caleb)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Wareley ,C (Caleb)	1	1172.9	747.9	0	0	0	1	1150.8	747.9	0	0	0
8	Noble ,R (Ross)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Noble ,R (Ross)	1	1160.6	735.6	0	0	0	1	1132	735.6	0	0	0
9	Van Wyk ,L (Luka)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Van Wyk ,L (Luka)	1	1132.6	707.6	0	0	0	1	1200	707.6	0	0	0
10	Malherbe ,J (Jeevan)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Malherbe ,J (Jeevan)	1	1516.7	1091.7	0	0	0	1	1519.9	1091.7	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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Statistics

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PLAYER PAGE

Personal

Stuurman, J (John)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms