Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Rooi, D (David)

Chess SA id

1100118467

FIDE id

Date of birth

2010-04-25 (U16)

Gender

Male

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-11-18

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1133.3	1174.8	1108.6	1200
Raw rating	1133.3	1174.8	1108.6	1200
Weighted rating	1132	1174.8	1106.5	1200
Weighted performance	742.7	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	182.3	171.9	188.9	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2018-01-01	1200 2019-12-01	1200 2018-01-01	1200 2024-02-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2018-01-01	1200 2019-12-01	1200 2018-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1133.3	1174.8	1108.6	1200
Analysis
Rating	1133.3	1174.8	1108.6	1200
Raw rating	1133.3	1174.8	1108.6	1200
Weighted rating	1132	1174.8	1106.5
Weighted performance	742.7	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	182.3	171.9	188.9	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	1133.3	1174.8	1108.6	1200
New weighted rating	1132.2	1174.8	1106.8	1200
New weighted performance	736.7	0	0	0
Temp new rating	1133.3	1174.8	1108.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1133.3	1174.8	1108.6	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	25	5	20
	0	0	0
	0	0	0
History	28	5	23

Games since
	Main 6	Standard 0		Rapid 6		Blitz 0
Gender	Male
Age group	U16
Region	Cape Winelands (WCW)
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	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	28	10.5	37.5	-106.2	1192.5	1086.2
Standard	5	2	40	-85	1179.3	1094.3
Rapid	23	8.5	36.96	-110.9	1195.3	1084.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1133.3	1174.8	1108.6	1200
2025-09-30	1133.3	1174.8	1108.6	1200
2025-09-01	1133.3	1174.8	1108.6	1200
2025-08-01	1133.3	1174.8	1108.6	1200
2025-07-01	1133.3	1174.8	1108.6	1200
2025-06-01	1133.3	1174.8	1108.6	1200
2025-05-01	1133.3	1174.8	1108.6	1200
2025-04-01	1133.3	1174.8	1108.6	1200
2025-03-01	1133.3	1174.8	1108.6	1200
2025-02-01	1133.3	1174.8	1108.6	1200
2025-01-01	1129.6	1174.8	1102.4	1200
2024-12-01	1129.6	1174.8	1102.4	1200
2024-11-01	1129.6	1174.8	1102.4	1200
2024-10-01	1129.6	1174.8	1102.4	1200
2024-09-01	1129.6	1174.8	1102.4	1200
2024-08-01	1129.6	1174.8	1102.4	1200
2024-07-01	1129.6	1174.8	1102.4	1200
2024-09-01	1129.6	1174.8	1102.4	1200
2024-05-01	1129.6	1174.8	1102.4	1200
2024-04-01	1129.6	1174.8	1102.4	1200
2024-03-01	1129.6	1174.8	1102.4	1200
2024-02-01	1129.6	1174.8	1102.4	1200
2024-01-01	1129.6	1174.8	1102.4	1200
2023-12-01	1129.6	1174.8	1102.4	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	Ashton Skaakmat Rapid 2023 (U13)	2023-11-18	2023-11-18	Rapid	Cape Winelands (WCW)	6	6	2	Yes	Analysis
2	CW Top Schools 2023 (U13 Mix + U13 Girls)	2023-08-26	2023-08-26	Rapid	Cape Winelands (WCW)	5	5	2	Yes	Analysis
3	Langeberg Top Schools 2023 (U7-U13 Mix)	2023-07-29	2023-07-29	Rapid	Cape Winelands (WCW)	5	4	1	Yes	Analysis
4	Langeberg Schools Chess Trials 2023 (U13 Open)	2023-02-11	2023-02-11	Rapid	Cape Winelands (WCW)	5	5	3.5	Yes	Analysis
5	Cape Winelands Schools Chess - Trials 1 2023 (U13 Boys)	2023-02-18	2023-02-18	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
6	Cape Winelands Schools - Top Schools 2019 (U9 Mix)	2019-07-27	2019-07-27	Rapid	Cape Winelands (WCW)	3	3	0	Yes	Analysis

#	Games	Start				End
1	5	Tournament Langeberg Schools Chess Trials 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-11	rnd 2	type Rapid	result 1	date 2023-02-18	rnd 1	type Standard	result 1
		Opponent Erasmus, M (Maxwell)				Opponent Bailey, C (Caleb)
2	1	Tournament Ashton Skaakmat Rapid 2023				Tournament Ashton Skaakmat Rapid 2023
		date 2023-11-18	rnd 4	type Rapid	result 1	date 2023-11-18	rnd 4	type Rapid	result 1
		Opponent Geldenhuys, J (Joshua)				Opponent Geldenhuys, J (Joshua)
3	1	Tournament Ashton Skaakmat Rapid 2023				Tournament Ashton Skaakmat Rapid 2023
		date 2023-11-18	rnd 2	type Rapid	result 1	date 2023-11-18	rnd 2	type Rapid	result 1
		Opponent Dyers, K (Kay)				Opponent Dyers, K (Kay)

#	Games	Start				End
1	1	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-18	rnd 4	type Standard	result 1	date 2023-02-18	rnd 4	type Standard	result 1
		Opponent Ackerman, C (Corneulse)				Opponent Ackerman, C (Corneulse)
2	1	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-18	rnd 1	type Standard	result 1	date 2023-02-18	rnd 1	type Standard	result 1
		Opponent Bailey, C (Caleb)				Opponent Bailey, C (Caleb)

#	Games	Start				End
1	5	Tournament Langeberg Schools Chess Trials 2023				Tournament Langeberg Top Schools 2023
		date 2023-02-11	rnd 2	type Rapid	result 1	date 2023-07-29	rnd 2	type Rapid	result 1
		Opponent Erasmus, M (Maxwell)				Opponent Siegel, M (Matthews)
2	1	Tournament Ashton Skaakmat Rapid 2023				Tournament Ashton Skaakmat Rapid 2023
		date 2023-11-18	rnd 4	type Rapid	result 1	date 2023-11-18	rnd 4	type Rapid	result 1
		Opponent Geldenhuys, J (Joshua)				Opponent Geldenhuys, J (Joshua)
3	1	Tournament Ashton Skaakmat Rapid 2023				Tournament Ashton Skaakmat Rapid 2023
		date 2023-11-18	rnd 2	type Rapid	result 1	date 2023-11-18	rnd 2	type Rapid	result 1
		Opponent Dyers, K (Kay)				Opponent Dyers, K (Kay)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Langeberg Schools Chess Trials 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-11	rnd 4	type Rapid	result 1	date 2023-02-18	rnd 1	type Standard	result 1
		Opponent Uys, X (Xander)				Opponent Bailey, C (Caleb)
2	1	Tournament Ashton Skaakmat Rapid 2023				Tournament Ashton Skaakmat Rapid 2023
		date 2023-11-18	rnd 4	type Rapid	result 1	date 2023-11-18	rnd 4	type Rapid	result 1
		Opponent Geldenhuys, J (Joshua)				Opponent Geldenhuys, J (Joshua)
3	1	Tournament Ashton Skaakmat Rapid 2023				Tournament Ashton Skaakmat Rapid 2023
		date 2023-11-18	rnd 2	type Rapid	result 1	date 2023-11-18	rnd 2	type Rapid	result 1
		Opponent Dyers, K (Kay)				Opponent Dyers, K (Kay)

#	Games	Start				End
1	1	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-18	rnd 4	type Standard	result 1	date 2023-02-18	rnd 4	type Standard	result 1
		Opponent Ackerman, C (Corneulse)				Opponent Ackerman, C (Corneulse)
2	1	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-18	rnd 1	type Standard	result 1	date 2023-02-18	rnd 1	type Standard	result 1
		Opponent Bailey, C (Caleb)				Opponent Bailey, C (Caleb)

#	Games	Start				End
1	3	Tournament Langeberg Schools Chess Trials 2023				Tournament Langeberg Top Schools 2023
		date 2023-02-11	rnd 4	type Rapid	result 1	date 2023-07-29	rnd 2	type Rapid	result 1
		Opponent Uys, X (Xander)				Opponent Siegel, M (Matthews)
2	1	Tournament Ashton Skaakmat Rapid 2023				Tournament Ashton Skaakmat Rapid 2023
		date 2023-11-18	rnd 4	type Rapid	result 1	date 2023-11-18	rnd 4	type Rapid	result 1
		Opponent Geldenhuys, J (Joshua)				Opponent Geldenhuys, J (Joshua)
3	1	Tournament Ashton Skaakmat Rapid 2023				Tournament Ashton Skaakmat Rapid 2023
		date 2023-11-18	rnd 2	type Rapid	result 1	date 2023-11-18	rnd 2	type Rapid	result 1
		Opponent Dyers, K (Kay)				Opponent Dyers, K (Kay)

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	Uys ,K (Kayde)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Uys ,K (Kayde)	1	1166.1	741.1	1	1198	741.1	0	0	0	0	0	0
2	Samuels ,A (Alex-John)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Samuels ,A (Alex-John)	1	1227.4	802.4	1	1211.6	802.4	0	0	0	0	0	0
3	Bailey ,C (Caleb)	1	1	425	1	1	425	0	0	0	0	0	0
3	Bailey ,C (Caleb)	1	1148	1573	1	1156.8	1573	0	0	0	0	0	0
4	Allie ,Z (Zia)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Allie ,Z (Zia)	1	1154.9	729.9	1	1149.2	729.9	0	0	0	0	0	0
5	Cyster ,J (Jean-Luke)	1	0	-425	0	0	0	1	0	-425	0	0	0
5	Cyster ,J (Jean-Luke)	1	1152	727	0	0	0	1	1166.8	727	0	0	0
6	Mostert ,R (Ruan)	1	1	425	0	0	0	1	1	425	0	0	0
6	Mostert ,R (Ruan)	1	1119.6	1544.6	0	0	0	1	1200	1544.6	0	0	0
7	Braaf ,L (Le-Meake Roland)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Braaf ,L (Le-Meake Roland)	1	1147.7	722.7	0	0	0	1	1148.8	722.7	0	0	0
8	Lawson ,S (Silas Justin)	1	1	425	0	0	0	1	1	425	0	0	0
8	Lawson ,S (Silas Justin)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
9	Erasmus ,M (Maxwell)	1	1	425	0	0	0	1	1	425	0	0	0
9	Erasmus ,M (Maxwell)	1	1164.5	1589.5	0	0	0	1	1200	1589.5	0	0	0
10	Van Wyk ,M (Micaile)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Van Wyk ,M (Micaile)	1	1419.6	994.6	0	0	0	1	1267.7	994.6	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Van Rooi, D (David)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms