Chess South Africa Ratings Database

PLAYER PAGE

Personal

Grootboom, R (Rowan)

Chess SA id

1090142425

FIDE id

Date of birth

2009-04-30 (U18)

Gender

Male

Region

Sarah Baartman (ESB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-05-10

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1207.3	1217.6	1194.3	1200
Raw rating	1207.3	1217.6	1194.3	1200
Weighted rating	1206.7	1217.6	1193.6	1200
Weighted performance	0	0	0	0
Floor	712.1	717.6	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	164.1	161.7	167.2	165.8
Highest rating	1212.1 2024-02-01	1217.6 2024-02-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1212.1 2024-02-01	1217.6 2024-02-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1212.1 2024-05-01	1217.6 2025-02-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2020-01-01	1200 2020-01-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1207.3	1217.6	1194.3	1200
Analysis
Rating	1207.3	1217.6	1194.3	1200
Raw rating	1207.3	1217.6	1194.3	1200
Weighted rating	1206.7	1217.6	1193.6
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	712.1	717.6	700	700
Max/Min rating change allowed	164.1	161.7	167.2	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	1207.3	1217.6	1194.3	1200
New weighted rating	1206.7	1217.6	1193.6	1200
New weighted performance	0	0	0	0
Temp new rating	1207.3	1217.6	1194.3	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1207.3	1217.6	1194.3	1200
New K-factor	36	36	36	36
New floor	712.1	717.6	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	5	0	5
	0	0	0
	10	10	0
	0	0	0
History	15	10	5

Games since
	Main 5	Standard 0		Rapid 5		Blitz 0
Gender	Male
Age group	U18
Region	Sarah Baartman (ESB)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	15	7.5	50	0	1212.7	1212.7
Standard	10	5.5	55	42.5	1197	1239.5
Rapid	5	2	40	-85	1244.1	1159.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1207.3	1217.6	1194.3	1200
2025-09-01	1207.3	1217.6	1194.3	1200
2025-08-01	1207.3	1217.6	1194.3	1200
2025-07-01	1207.3	1217.6	1194.3	1200
2025-06-01	1207.3	1217.6	1194.3	1200
2025-05-01	1207.3	1217.6	1194.3	1200
2025-04-01	1207.3	1217.6	1194.3	1200
2025-03-01	1207.3	1217.6	1194.3	1200
2025-02-01	1207.2	1217.6	1194.2	1200
2025-01-01	1203.9	1217.6	1190.3	1200
2024-12-01	1203.9	1217.6	1190.3	1200
2024-11-01	1203.9	1217.6	1190.3	1200
2024-10-01	1203.9	1217.6	1190.3	1200
2024-09-01	1203.9	1217.6	1190.3	1200
2024-08-01	1203.9	1217.6	1190.3	1200
2024-07-01	1203.9	1217.6	1190.3	1200
2024-06-01	1203.9	1217.6	1190.3	1200
2024-08-01	1212.1	1217.6	1200	1200
2024-04-01	1212.1	1217.6	1200	1200
2024-03-01	1212.1	1217.6	1200	1200
2024-02-01	1212.1	1217.6	1200	1200
2024-01-01	1212.1	1217.6	1200	1200
2023-12-01	1212.1	1217.6	1200	1200
2023-11-01	1212.1	1217.6	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	Humansdorp CMC Schools Trials 2024 (U15 Boys)	2024-05-10	2024-05-10	Rapid	Sarah Baartman (ESB)	6	5	2	Yes	Analysis
2	Kouga Mayarol Cup 2022 (U13)	2022-07-23	2022-07-23	Standard	Sarah Baartman (ESB)	6	0	0	No	Analysis
3	SBDCU Trials 2022 (U14)	2022-06-25	2022-06-25	Standard	Sarah Baartman (ESB)	6	5	1.5	Yes	Analysis
4	Graslaagte Closed 2022	2022-06-20	2022-06-20	Standard	Sarah Baartman (ESB)	6	5	4	Yes	Analysis

#	Games	Start				End
1	3	Tournament Graslaagte Closed 2022				Tournament Graslaagte Closed 2022
		date 2022-06-20	rnd 1	type Standard	result 1	date 2022-06-20	rnd 3	type Standard	result 1
		Opponent Booysen, CL (Carli Lucia)				Opponent Plaatjies, F (Fredwin)
2	2	Tournament SBDCU Trials 2022				Tournament SBDCU Trials 2022
		date 2022-06-25	rnd 3	type Standard	result 0.5	date 2022-06-25	rnd 4	type Standard	result 1
		Opponent Van Niewenhuizen, J (Jesse)				Opponent Hoek, S (Simon)
3	1	Tournament Humansdorp CMC Schools Trials 2024				Tournament Humansdorp CMC Schools Trials 2024
		date 2024-05-10	rnd 4	type Rapid	result 1	date 2024-05-10	rnd 4	type Rapid	result 1
		Opponent Anoster, B (Bradley)				Opponent Anoster, B (Bradley)

#	Games	Start				End
1	3	Tournament Graslaagte Closed 2022				Tournament Graslaagte Closed 2022
		date 2022-06-20	rnd 1	type Standard	result 1	date 2022-06-20	rnd 3	type Standard	result 1
		Opponent Booysen, CL (Carli Lucia)				Opponent Plaatjies, F (Fredwin)
2	2	Tournament SBDCU Trials 2022				Tournament SBDCU Trials 2022
		date 2022-06-25	rnd 3	type Standard	result 0.5	date 2022-06-25	rnd 4	type Standard	result 1
		Opponent Van Niewenhuizen, J (Jesse)				Opponent Hoek, S (Simon)
3	1	Tournament Graslaagte Closed 2022				Tournament Graslaagte Closed 2022
		date 2022-06-20	rnd 5	type Standard	result 1	date 2022-06-20	rnd 5	type Standard	result 1
		Opponent Geswint, S (Stazlon)				Opponent Geswint, S (Stazlon)

#	Games	Start				End
1	1	Tournament Humansdorp CMC Schools Trials 2024				Tournament Humansdorp CMC Schools Trials 2024
		date 2024-05-10	rnd 4	type Rapid	result 1	date 2024-05-10	rnd 4	type Rapid	result 1
		Opponent Anoster, B (Bradley)				Opponent Anoster, B (Bradley)
2	1	Tournament Humansdorp CMC Schools Trials 2024				Tournament Humansdorp CMC Schools Trials 2024
		date 2024-05-10	rnd 2	type Rapid	result 1	date 2024-05-10	rnd 2	type Rapid	result 1
		Opponent Pietersen, C (Chivago)				Opponent Pietersen, C (Chivago)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Graslaagte Closed 2022				Tournament Graslaagte Closed 2022
		date 2022-06-20	rnd 1	type Standard	result 1	date 2022-06-20	rnd 3	type Standard	result 1
		Opponent Booysen, CL (Carli Lucia)				Opponent Plaatjies, F (Fredwin)
2	1	Tournament Humansdorp CMC Schools Trials 2024				Tournament Humansdorp CMC Schools Trials 2024
		date 2024-05-10	rnd 4	type Rapid	result 1	date 2024-05-10	rnd 4	type Rapid	result 1
		Opponent Anoster, B (Bradley)				Opponent Anoster, B (Bradley)
3	1	Tournament Humansdorp CMC Schools Trials 2024				Tournament Humansdorp CMC Schools Trials 2024
		date 2024-05-10	rnd 2	type Rapid	result 1	date 2024-05-10	rnd 2	type Rapid	result 1
		Opponent Pietersen, C (Chivago)				Opponent Pietersen, C (Chivago)

#	Games	Start				End
1	3	Tournament Graslaagte Closed 2022				Tournament Graslaagte Closed 2022
		date 2022-06-20	rnd 1	type Standard	result 1	date 2022-06-20	rnd 3	type Standard	result 1
		Opponent Booysen, CL (Carli Lucia)				Opponent Plaatjies, F (Fredwin)
2	1	Tournament SBDCU Trials 2022				Tournament SBDCU Trials 2022
		date 2022-06-25	rnd 4	type Standard	result 1	date 2022-06-25	rnd 4	type Standard	result 1
		Opponent Hoek, S (Simon)				Opponent Hoek, S (Simon)
3	1	Tournament Graslaagte Closed 2022				Tournament Graslaagte Closed 2022
		date 2022-06-20	rnd 5	type Standard	result 1	date 2022-06-20	rnd 5	type Standard	result 1
		Opponent Geswint, S (Stazlon)				Opponent Geswint, S (Stazlon)

#	Games	Start				End
1	1	Tournament Humansdorp CMC Schools Trials 2024				Tournament Humansdorp CMC Schools Trials 2024
		date 2024-05-10	rnd 4	type Rapid	result 1	date 2024-05-10	rnd 4	type Rapid	result 1
		Opponent Anoster, B (Bradley)				Opponent Anoster, B (Bradley)
2	1	Tournament Humansdorp CMC Schools Trials 2024				Tournament Humansdorp CMC Schools Trials 2024
		date 2024-05-10	rnd 2	type Rapid	result 1	date 2024-05-10	rnd 2	type Rapid	result 1
		Opponent Pietersen, C (Chivago)				Opponent Pietersen, C (Chivago)

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	Petrus ,L (Liam)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Petrus ,L (Liam)	1	1200	775	1	1200	775	0	0	0	0	0	0
2	Plaatjies ,F (Fredwin)	1	1	425	1	1	425	0	0	0	0	0	0
2	Plaatjies ,F (Fredwin)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Leander ,J (Jaylin)	1	1	425	1	1	425	0	0	0	0	0	0
3	Leander ,J (Jaylin)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Terblanche ,K (Kirsty)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Terblanche ,K (Kirsty)	1	1117.3	692.3	1	1139.6	692.3	0	0	0	0	0	0
5	Hoek ,S (Simon)	1	1	425	1	1	425	0	0	0	0	0	0
5	Hoek ,S (Simon)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Geswint ,S (Stazlon)	1	1	425	1	1	425	0	0	0	0	0	0
6	Geswint ,S (Stazlon)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Booysen ,CL (Carli Lucia)	1	1	425	1	1	425	0	0	0	0	0	0
7	Booysen ,CL (Carli Lucia)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Van Niewenhuizen ,J (Jesse)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
8	Van Niewenhuizen ,J (Jesse)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
9	Louis ,J (Jayheem)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Louis ,J (Jayheem)	1	1214.7	789.7	1	1236	789.7	0	0	0	0	0	0
10	Krieger ,BCJ (Brian)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Krieger ,BCJ (Brian)	1	1237.8	812.8	1	1242.1	812.8	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Grootboom, R (Rowan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms