Chess South Africa Ratings Database

PLAYER PAGE

Personal

Gelderbloem, G (Gragan)

Chess SA id

102082821

FIDE id

Date of birth

2002-05-04 (Adult)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-03-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1159.3	1146.7	721.2	579.6
Raw rating	1159.3	1146.7	721.2	579.6
Weighted rating	1159.3	1146.7	721.2	579.6
Weighted performance	322.5	314.3	0	0
Floor	659.3	646.7	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	175.7	178.9	328	401.3
Highest rating	1200 2018-02-01	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01
Highest raw rating	1159.3 2024-02-01	1146.7 2024-02-01	721.2 2024-02-01	579.6 2024-02-01
Highest weighted rating	1159.3 2024-11-01	1146.7 2024-11-01	721.2 2024-11-01	579.6 2024-11-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1159.3	1146.7	721.2	579.6
Analysis
Rating	1159.3	1146.7	721.2	579.6
Raw rating	1159.3	1146.7	721.2	579.6
Weighted rating	1159.3	1146.7	721.2
Weighted performance	322.5	314.3	0
K-factor	40	40	40	40
Floor	659.3	646.7	500	500
Max/Min rating change allowed	175.7	178.9	328	401.3
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	1159.3	1146.7	721.2	579.6
New weighted rating	1159.3	1146.7	721.2	579.6
New weighted performance	322.1	313.9	0	0
Temp new rating	1159.3	1146.7	721.2	579.6
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1159.3	1146.7	721.2	579.6
New K-factor	40	40	40	40
New floor	659.3	646.7	500	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	58	45	13

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Eden (WEG)
Province	Western Cape (WC)
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	35	22.5	64.29	121.4	1029.1	1150.5
Standard	28	18	64.29	121.4	1028.5	1149.9
Rapid	7	4.5	64.29	121.4	1031.4	1152.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1159.3	1146.7	721.2	579.6
2025-09-01	1159.3	1146.7	721.2	579.6
2025-08-01	1159.3	1146.7	721.2	579.6
2025-07-01	1159.3	1146.7	721.2	579.6
2025-06-01	1159.3	1146.7	721.2	579.6
2025-05-01	1159.3	1146.7	721.2	579.6
2025-04-01	1159.3	1146.7	721.2	579.6
2025-03-01	1159.3	1146.7	721.2	579.6
2025-02-01	1159.3	1146.7	721.2	579.6
2025-01-01	1159.3	1146.7	721.2	579.6
2024-12-01	1159.3	1146.7	721.2	579.6
2024-11-01	1159.3	1146.7	721.2	579.6
2024-10-01	1159.3	1146.7	721.2	579.6
2024-09-01	1159.3	1146.7	721.2	579.6
2024-08-01	1159.3	1146.7	721.2	579.6
2024-07-01	1159.3	1146.7	721.2	579.6
2024-06-01	1159.3	1146.7	721.2	579.6
2024-08-01	1159.3	1146.7	721.2	579.6
2024-04-01	1159.3	1146.7	721.2	579.6
2024-03-01	1159.3	1146.7	721.2	579.6
2024-02-01	1159.3	1146.7	721.2	579.6
2024-01-01	1159.3	1146.7	721.2	579.6
2023-12-01	1159.3	1146.7	721.2	579.6
2023-11-01	1159.3	1146.7	721.2	579.6

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	Eden Schools Closed Trials 1 2020 (U18 Boys)	2020-03-07	2020-03-07	Standard	Eden (WEG)	5	4	2	Yes	Analysis
2	Mossel Bay Trials 2 2020 (U18)	2020-02-15	2020-02-15	Standard	Eden (WEG)	5	4	2	Yes	Analysis
3	Mossel Bay Trials 1 2020 (U18)	2020-02-01	2020-02-01	Standard	Eden (WEG)	5	5	4	Yes	Analysis
4	Eden Chess League 2018 (2nd Division)	2018-09-01	2018-09-01	Rapid	Eden (WEG)	7	7	4.5	Yes	Analysis
5	EDENSC Closed 3 2018 (U18 Open)	2018-05-12	2018-05-12	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis
6	EDENSC Closed 2 2018 (U18 (Open)	2018-04-14	2018-04-14	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis
7	EDENSC Closed 1 2018 (U18)	2018-03-10	2018-03-10	Standard	Eden (WEG)	5	5	3	Yes	Analysis

#	Games	Start				End
1	5	Tournament Mossel Bay Trials 1 2020				Tournament Mossel Bay Trials 2 2020
		date 2020-02-01	rnd 2	type Standard	result 1	date 2020-02-15	rnd 1	type Standard	result 1
		Opponent George, E (Elermo)				Opponent Anderson, V (Verzhal)
2	5	Tournament EDENSC Closed 1 2018				Tournament EDENSC Closed 2 2018
		date 2018-03-10	rnd 2	type Standard	result 1	date 2018-04-14	rnd 1	type Standard	result 1
		Opponent Malgas, W (William)				Opponent Mans, A (Arjan)
3	4	Tournament EDENSC Closed 2 2018				Tournament EDENSC Closed 3 2018
		date 2018-04-14	rnd 3	type Standard	result 0.5	date 2018-05-12	rnd 1	type Standard	result 1
		Opponent October, J (Juvaan)				Opponent Williams, J (Johnadino)

#	Games	Start				End
1	5	Tournament Mossel Bay Trials 1 2020				Tournament Mossel Bay Trials 2 2020
		date 2020-02-01	rnd 2	type Standard	result 1	date 2020-02-15	rnd 1	type Standard	result 1
		Opponent George, E (Elermo)				Opponent Anderson, V (Verzhal)
2	5	Tournament EDENSC Closed 1 2018				Tournament EDENSC Closed 2 2018
		date 2018-03-10	rnd 2	type Standard	result 1	date 2018-04-14	rnd 1	type Standard	result 1
		Opponent Malgas, W (William)				Opponent Mans, A (Arjan)
3	4	Tournament EDENSC Closed 2 2018				Tournament EDENSC Closed 3 2018
		date 2018-04-14	rnd 3	type Standard	result 0.5	date 2018-05-12	rnd 1	type Standard	result 1
		Opponent October, J (Juvaan)				Opponent Williams, J (Johnadino)

#	Games	Start				End
1	3	Tournament Eden Chess League 2018				Tournament Eden Chess League 2018
		date 2018-09-01	rnd 5	type Rapid	result 0.5	date 2018-09-01	rnd 7	type Rapid	result 1
		Opponent Dube, TM (Talent)				Opponent Adams, L (Leonard)
2	2	Tournament Eden Chess League 2018				Tournament Eden Chess League 2018
		date 2018-09-01	rnd 2	type Rapid	result 1	date 2018-09-01	rnd 3	type Rapid	result 1
		Opponent Dubee, C (Cheslyn)				Opponent Meyer, J (Jared)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Mossel Bay Trials 1 2020				Tournament Mossel Bay Trials 2 2020
		date 2020-02-01	rnd 2	type Standard	result 1	date 2020-02-15	rnd 1	type Standard	result 1
		Opponent George, E (Elermo)				Opponent Anderson, V (Verzhal)
2	3	Tournament EDENSC Closed 2 2018				Tournament EDENSC Closed 3 2018
		date 2018-04-14	rnd 4	type Standard	result 1	date 2018-05-12	rnd 1	type Standard	result 1
		Opponent Baatjies, J (Jayden)				Opponent Williams, J (Johnadino)
3	2	Tournament Eden Schools Closed Trials 1 2020				Tournament Eden Schools Closed Trials 1 2020
		date 2020-03-07	rnd 3	type Standard	result 1	date 2020-03-07	rnd 4	type Standard	result 1
		Opponent Stuurman, J (Junaton)				Opponent Manuel, W (Wychiffe)

#	Games	Start				End
1	5	Tournament Mossel Bay Trials 1 2020				Tournament Mossel Bay Trials 2 2020
		date 2020-02-01	rnd 2	type Standard	result 1	date 2020-02-15	rnd 1	type Standard	result 1
		Opponent George, E (Elermo)				Opponent Anderson, V (Verzhal)
2	3	Tournament EDENSC Closed 2 2018				Tournament EDENSC Closed 3 2018
		date 2018-04-14	rnd 4	type Standard	result 1	date 2018-05-12	rnd 1	type Standard	result 1
		Opponent Baatjies, J (Jayden)				Opponent Williams, J (Johnadino)
3	2	Tournament Eden Schools Closed Trials 1 2020				Tournament Eden Schools Closed Trials 1 2020
		date 2020-03-07	rnd 3	type Standard	result 1	date 2020-03-07	rnd 4	type Standard	result 1
		Opponent Stuurman, J (Junaton)				Opponent Manuel, W (Wychiffe)

#	Games	Start				End
1	2	Tournament Eden Chess League 2018				Tournament Eden Chess League 2018
		date 2018-09-01	rnd 6	type Rapid	result 1	date 2018-09-01	rnd 7	type Rapid	result 1
		Opponent Erasmus, W (Wiaan)				Opponent Adams, L (Leonard)
2	2	Tournament Eden Chess League 2018				Tournament Eden Chess League 2018
		date 2018-09-01	rnd 2	type Rapid	result 1	date 2018-09-01	rnd 3	type Rapid	result 1
		Opponent Dubee, C (Cheslyn)				Opponent Meyer, J (Jared)

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	Miller ,M (Mikyle)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
1	Miller ,M (Mikyle)	3	1267	1408.6	3	1249.9	1408.6	0	0	0	0	0	0
2	Nomdie ,J (Jodi)	2	2	425	2	2	425	0	0	0	0	0	0
2	Nomdie ,J (Jodi)	2	688.8	1113.8	2	712.8	1113.8	0	0	0	0	0	0
3	Muller ,L (Luzane)	2	1	0	2	1	0	0	0	0	0	0	0
3	Muller ,L (Luzane)	2	1135.7	1135.7	2	1132.5	1135.7	0	0	0	0	0	0
4	Groenewald ,A (Anwille)	1	1	425	1	1	425	0	0	0	0	0	0
4	Groenewald ,A (Anwille)	1	1027.1	1452.1	1	1026.8	1452.1	0	0	0	0	0	0
5	Stephanus ,M (Melissa)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Stephanus ,M (Melissa)	1	1089.6	664.6	1	1089.6	664.6	0	0	0	0	0	0
6	Smit ,H (Henk)	1	1	425	1	1	425	0	0	0	0	0	0
6	Smit ,H (Henk)	1	871.6	1296.6	1	871.6	1296.6	0	0	0	0	0	0
7	Botha ,A (Austen)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Botha ,A (Austen)	1	877.5	877.5	1	900.2	877.5	0	0	0	0	0	0
8	Malgas ,W (William)	1	1	425	1	1	425	0	0	0	0	0	0
8	Malgas ,W (William)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Gilbert ,C (Cheslyn)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Gilbert ,C (Cheslyn)	1	1190	765	1	1191.9	765	0	0	0	0	0	0
10	Stuurman ,J (Junaton)	1	1	425	1	1	425	0	0	0	0	0	0
10	Stuurman ,J (Junaton)	1	1121	1546	1	1101.2	1546	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Gelderbloem, G (Gragan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms