Chess South Africa Ratings Database

PLAYER PAGE

Personal

Stuurman, D (Dewan)

Chess SA id

1110315569

FIDE id

Date of birth

2011-12-04 (U16)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-03-01

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1215.6	1219	1200	1200
Raw rating	1215.6	1219	1200	1200
Weighted rating	1208.3	1210.2	1200	1200
Weighted performance	0	0	0	0
Floor	715.6	719	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	162.2	161.4	165.8	165.8
Highest rating	1215.6 2025-04-01	1219 2025-04-01	1200 2025-03-01	1200 2025-03-01
Highest raw rating	1215.6 2025-04-01	1219 2025-04-01	1200 2025-03-01	1200 2025-03-01
Highest weighted rating	1205.5 2025-08-01	1206.7 2025-08-01	1200 2025-03-01	1200 2025-03-01
Highest weighted performance	0 1900-01-01	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1215.6	1219	1200	1200
Analysis
Rating	1215.6	1219	1200	1200
Raw rating	1215.6	1219	1200	1200
Weighted rating	1208.3	1210.2	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	715.6	719	700	700
Max/Min rating change allowed	162.2	161.4	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	1215.6	1219	1200	1200
New weighted rating	1209.2	1211.2	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1215.6	1219	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1215.6	1219	1200	1200
New K-factor	36	36	36	36
New floor	715.6	719	700	700

Item	Main	Standard
	0	0
	9	9
	0	0
	0	0
	0	0
	0	0
History	9	9

Games since
	Main 9	Standard 9		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Eden (WEG)
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	-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	9	4	44.44	-47.2	1186.3	1139.1
Standard	9	4	44.44	-47.2	1186.3	1139.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	9	4	44.44	-47.2	1186.3	1139.1
Standard	9	4	44.44	-47.2	1186.3	1139.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1215.6	1219	1200	1200
2025-09-30	1215.6	1219	1200	1200
2025-09-01	1215.6	1219	1200	1200
2025-08-01	1215.6	1219	1200	1200
2025-07-01	1215.6	1219	1200	1200
2025-06-01	1215.6	1219	1200	1200
2025-05-01	1215.6	1219	1200	1200
2025-04-01	1215.6	1219	1200	1200
2025-03-01	1196.7	1196	1200	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	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

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Oudussa Trials 2025 (U15)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	3	Yes	Analysis
2	Oudussa Trials 2 2025 (U5 Boys+Girls)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	4	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Oudussa Trials 2025 (U15)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	3	Yes	Analysis
2	Oudussa Trials 2 2025 (U5 Boys+Girls)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	4	1	Yes	Analysis

#	Games	Start				End
1	2	Tournament Oudussa Trials 2025				Tournament Oudussa Trials 2025
		date 2025-03-01	rnd 3	type Standard	result 1	date 2025-03-01	rnd 4	type Standard	result 1
		Opponent Plaatjies, R (Rumark)				Opponent Belelie, A (Austin)
2	1	Tournament Oudussa Trials 2025				Tournament Oudussa Trials 2025
		date 2025-03-01	rnd 1	type Standard	result 1	date 2025-03-01	rnd 1	type Standard	result 1
		Opponent Koopman, G (Giovanni)				Opponent Koopman, G (Giovanni)
3	1	Tournament Oudussa Trials 2 2025				Tournament Oudussa Trials 2 2025
		date 2025-02-01	rnd 3	type Standard	result 1	date 2025-02-01	rnd 3	type Standard	result 1
		Opponent Botha, V (Vuyani)				Opponent Botha, V (Vuyani)

#	Games	Start				End
1	2	Tournament Oudussa Trials 2025				Tournament Oudussa Trials 2025
		date 2025-03-01	rnd 3	type Standard	result 1	date 2025-03-01	rnd 4	type Standard	result 1
		Opponent Plaatjies, R (Rumark)				Opponent Belelie, A (Austin)
2	1	Tournament Oudussa Trials 2025				Tournament Oudussa Trials 2025
		date 2025-03-01	rnd 1	type Standard	result 1	date 2025-03-01	rnd 1	type Standard	result 1
		Opponent Koopman, G (Giovanni)				Opponent Koopman, G (Giovanni)
3	1	Tournament Oudussa Trials 2 2025				Tournament Oudussa Trials 2 2025
		date 2025-02-01	rnd 3	type Standard	result 1	date 2025-02-01	rnd 3	type Standard	result 1
		Opponent Botha, V (Vuyani)				Opponent Botha, V (Vuyani)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Oudussa Trials 2025				Tournament Oudussa Trials 2025
		date 2025-03-01	rnd 3	type Standard	result 1	date 2025-03-01	rnd 4	type Standard	result 1
		Opponent Plaatjies, R (Rumark)				Opponent Belelie, A (Austin)
2	1	Tournament Oudussa Trials 2025				Tournament Oudussa Trials 2025
		date 2025-03-01	rnd 1	type Standard	result 1	date 2025-03-01	rnd 1	type Standard	result 1
		Opponent Koopman, G (Giovanni)				Opponent Koopman, G (Giovanni)
3	1	Tournament Oudussa Trials 2 2025				Tournament Oudussa Trials 2 2025
		date 2025-02-01	rnd 3	type Standard	result 1	date 2025-02-01	rnd 3	type Standard	result 1
		Opponent Botha, V (Vuyani)				Opponent Botha, V (Vuyani)

#	Games	Start				End
1	2	Tournament Oudussa Trials 2025				Tournament Oudussa Trials 2025
		date 2025-03-01	rnd 3	type Standard	result 1	date 2025-03-01	rnd 4	type Standard	result 1
		Opponent Plaatjies, R (Rumark)				Opponent Belelie, A (Austin)
2	1	Tournament Oudussa Trials 2025				Tournament Oudussa Trials 2025
		date 2025-03-01	rnd 1	type Standard	result 1	date 2025-03-01	rnd 1	type Standard	result 1
		Opponent Koopman, G (Giovanni)				Opponent Koopman, G (Giovanni)
3	1	Tournament Oudussa Trials 2 2025				Tournament Oudussa Trials 2 2025
		date 2025-02-01	rnd 3	type Standard	result 1	date 2025-02-01	rnd 3	type Standard	result 1
		Opponent Botha, V (Vuyani)				Opponent Botha, V (Vuyani)

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	Plaatjies ,R (Rumark)	2	1	0	2	1	0	0	0	0	0	0	0
1	Plaatjies ,R (Rumark)	2	1174.6	1174.6	2	1172.7	1174.6	0	0	0	0	0	0
2	Stuurman ,D (Dante)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Stuurman ,D (Dante)	1	1231.7	806.7	1	1234.2	806.7	0	0	0	0	0	0
3	Sarels ,I (Isaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Sarels ,I (Isaan)	1	1319.5	894.5	1	1330.5	894.5	0	0	0	0	0	0
4	Belelie ,A (Austin)	1	1	425	1	1	425	0	0	0	0	0	0
4	Belelie ,A (Austin)	1	1171	1596	1	1164.8	1596	0	0	0	0	0	0
5	Augustyn ,J (Johan)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Augustyn ,J (Johan)	1	1125.2	700.2	1	1119.2	700.2	0	0	0	0	0	0
6	Damons ,D (Danielson)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Damons ,D (Danielson)	1	1159.1	734.1	1	1152.2	734.1	0	0	0	0	0	0
7	Koopman ,G (Giovanni)	1	1	425	1	1	425	0	0	0	0	0	0
7	Koopman ,G (Giovanni)	1	1167.1	1592.1	1	1162.7	1592.1	0	0	0	0	0	0
8	Botha ,V (Vuyani)	1	1	425	1	1	425	0	0	0	0	0	0
8	Botha ,V (Vuyani)	1	1154	1579	1	1145.2	1579	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

Stuurman, D (Dewan)

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