Chess South Africa Ratings Database

PLAYER PAGE

Personal

Grootboom, P (Patrick)

Chess SA id

1000116566

FIDE id

Date of birth

2000-08-03 (Adult)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-02-22

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1123.3	1111.6	1200	1200
Raw rating	1123.3	1111.6	1200	1200
Weighted rating	1123.3	1111.6	1200	1200
Weighted performance	301	297.1	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	185	188.1	165.8	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 2018-01-01	1200 2024-02-01	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 2018-01-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1123.3	1111.6	1200	1200
Analysis
Rating	1123.3	1111.6	1200	1200
Raw rating	1123.3	1111.6	1200	1200
Weighted rating	1123.3	1111.6	1200
Weighted performance	301	297.1	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	185	188.1	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	1123.3	1111.6	1200	1200
New weighted rating	1123.3	1111.6	1200	1200
New weighted performance	300.6	296.7	0	0
Temp new rating	1123.3	1111.6	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1123.3	1111.6	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	23	23

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	23	6.5	28.26	-184.8	1217.1	1032.3
Standard	23	6.5	28.26	-184.8	1217.1	1032.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1123.3	1111.6	1200	1200
2025-09-01	1123.3	1111.6	1200	1200
2025-08-01	1123.3	1111.6	1200	1200
2025-07-01	1123.3	1111.6	1200	1200
2025-06-01	1123.3	1111.6	1200	1200
2025-05-01	1123.3	1111.6	1200	1200
2025-04-01	1123.3	1111.6	1200	1200
2025-03-01	1123.3	1111.6	1200	1200
2025-02-01	1123.3	1111.6	1200	1200
2025-01-01	1123.3	1111.6	1200	1200
2024-12-01	1123.3	1111.6	1200	1200
2024-11-01	1123.3	1111.6	1200	1200
2024-10-01	1123.3	1111.6	1200	1200
2024-09-01	1123.3	1111.6	1200	1200
2024-08-01	1123.3	1111.6	1200	1200
2024-07-01	1123.3	1111.6	1200	1200
2024-06-01	1123.3	1111.6	1200	1200
2024-08-01	1123.3	1111.6	1200	1200
2024-04-01	1123.3	1111.6	1200	1200
2024-03-01	1123.3	1111.6	1200	1200
2024-02-01	1123.3	1111.6	1200	1200
2024-01-01	1123.3	1111.6	1200	1200
2023-12-01	1123.3	1111.6	1200	1200
2023-11-01	1123.3	1111.6	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	Alberton Chess Club Open 2020 (D)	2020-02-22	2020-02-22	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
2	Springs Chess Club Open 2020 (B)	2020-01-25	2020-01-25	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
3	Ekurhuleni Grand Prix 2019 (B)	2019-09-14	2019-09-14	Standard	Ekurhuleni (GE)	5	4	0	Yes	Analysis
4	Springs Open 2019 (B)	2019-08-31	2019-08-31	Standard	Ekurhuleni (GE)	5	4	0.5	Yes	Analysis
5	Boksburg Chess Club Open 2019 (B)	2019-07-13	2019-07-13	Standard	Ekurhuleni (GE)	5	5	1	Yes	Analysis

#	Games	Start				End
1	2	Tournament Springs Chess Club Open 2020				Tournament Alberton Chess Club Open 2020
		date 2020-01-25	rnd 5	type Standard	result 1	date 2020-02-22	rnd 1	type Standard	result 1
		Opponent Sigela, K (Kanenelo)				Opponent Da Silva, M (Michael)
2	1	Tournament Alberton Chess Club Open 2020				Tournament Alberton Chess Club Open 2020
		date 2020-02-22	rnd 5	type Standard	result 1	date 2020-02-22	rnd 5	type Standard	result 1
		Opponent Hlatshwayo, K (Khaya)				Opponent Hlatshwayo, K (Khaya)
3	1	Tournament Alberton Chess Club Open 2020				Tournament Alberton Chess Club Open 2020
		date 2020-02-22	rnd 3	type Standard	result 1	date 2020-02-22	rnd 3	type Standard	result 1
		Opponent Bosman, P (Petri)				Opponent Bosman, P (Petri)

#	Games	Start				End
1	2	Tournament Springs Chess Club Open 2020				Tournament Alberton Chess Club Open 2020
		date 2020-01-25	rnd 5	type Standard	result 1	date 2020-02-22	rnd 1	type Standard	result 1
		Opponent Sigela, K (Kanenelo)				Opponent Da Silva, M (Michael)
2	1	Tournament Alberton Chess Club Open 2020				Tournament Alberton Chess Club Open 2020
		date 2020-02-22	rnd 5	type Standard	result 1	date 2020-02-22	rnd 5	type Standard	result 1
		Opponent Hlatshwayo, K (Khaya)				Opponent Hlatshwayo, K (Khaya)
3	1	Tournament Alberton Chess Club Open 2020				Tournament Alberton Chess Club Open 2020
		date 2020-02-22	rnd 3	type Standard	result 1	date 2020-02-22	rnd 3	type Standard	result 1
		Opponent Bosman, P (Petri)				Opponent Bosman, P (Petri)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Springs Chess Club Open 2020				Tournament Alberton Chess Club Open 2020
		date 2020-01-25	rnd 5	type Standard	result 1	date 2020-02-22	rnd 1	type Standard	result 1
		Opponent Sigela, K (Kanenelo)				Opponent Da Silva, M (Michael)
2	1	Tournament Alberton Chess Club Open 2020				Tournament Alberton Chess Club Open 2020
		date 2020-02-22	rnd 5	type Standard	result 1	date 2020-02-22	rnd 5	type Standard	result 1
		Opponent Hlatshwayo, K (Khaya)				Opponent Hlatshwayo, K (Khaya)
3	1	Tournament Alberton Chess Club Open 2020				Tournament Alberton Chess Club Open 2020
		date 2020-02-22	rnd 3	type Standard	result 1	date 2020-02-22	rnd 3	type Standard	result 1
		Opponent Bosman, P (Petri)				Opponent Bosman, P (Petri)

#	Games	Start				End
1	2	Tournament Springs Chess Club Open 2020				Tournament Alberton Chess Club Open 2020
		date 2020-01-25	rnd 5	type Standard	result 1	date 2020-02-22	rnd 1	type Standard	result 1
		Opponent Sigela, K (Kanenelo)				Opponent Da Silva, M (Michael)
2	1	Tournament Alberton Chess Club Open 2020				Tournament Alberton Chess Club Open 2020
		date 2020-02-22	rnd 5	type Standard	result 1	date 2020-02-22	rnd 5	type Standard	result 1
		Opponent Hlatshwayo, K (Khaya)				Opponent Hlatshwayo, K (Khaya)
3	1	Tournament Alberton Chess Club Open 2020				Tournament Alberton Chess Club Open 2020
		date 2020-02-22	rnd 3	type Standard	result 1	date 2020-02-22	rnd 3	type Standard	result 1
		Opponent Bosman, P (Petri)				Opponent Bosman, P (Petri)

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	Hausberger ,J (Justin)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Hausberger ,J (Justin)	2	1437.1	1012.1	2	1426.6	1012.1	0	0	0	0	0	0
2	Hlatshwayo ,K (Khaya)	1	1	425	1	1	425	0	0	0	0	0	0
2	Hlatshwayo ,K (Khaya)	1	1030	1455	1	999.6	1455	0	0	0	0	0	0
3	Black ,B (Brayden)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Black ,B (Brayden)	1	985.8	560.8	1	976.6	560.8	0	0	0	0	0	0
4	Van Zyl ,J (Juane)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Van Zyl ,J (Juane)	1	1212.9	787.9	1	1197.8	787.9	0	0	0	0	0	0
5	Oberholzer ,E (Ethan)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Oberholzer ,E (Ethan)	1	1247.6	822.6	1	1242.7	822.6	0	0	0	0	0	0
6	Snibbe ,W (Wouter)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Snibbe ,W (Wouter)	1	1131.1	706.1	1	1122	706.1	0	0	0	0	0	0
7	Thatse ,K (Kearabetswe)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Thatse ,K (Kearabetswe)	1	1291.5	866.5	1	1281	866.5	0	0	0	0	0	0
8	Sigela ,K (Kanenelo)	1	1	425	1	1	425	0	0	0	0	0	0
8	Sigela ,K (Kanenelo)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Mondlani ,P (Paulo)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Mondlani ,P (Paulo)	1	1297	872	1	1200	872	0	0	0	0	0	0
10	Da Silva ,M (Michael)	1	1	425	1	1	425	0	0	0	0	0	0
10	Da Silva ,M (Michael)	1	1200	1625	1	1200	1625	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

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PLAYER PAGE

Personal

Grootboom, P (Patrick)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms