Chess South Africa Ratings Database

PLAYER PAGE

Personal

Moller, R (Ruan)

Chess SA id

107055598

FIDE id

Date of birth

2007-09-13 (U20)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-09-03

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1249.1	1245.2	942.3	786.3
Raw rating	1249.1	1245.2	942.3	786.3
Weighted rating	1249.1	1245.2	942.3	786.3
Weighted performance	493.1	492.2	0	0
Floor	770.3	771.5	500	500
K-factor	36	36	40	40
Min/Max rating change allowed	154.6	155.5	239.4	299
Highest rating	1286.7 2020-02-01	1284.5 2020-02-01	1403.2 2018-03-01	1200 2024-02-01
Highest raw rating	1270.3 2020-03-01	1271.5 2020-03-01	956.3 2018-04-01	786.3 2024-02-01
Highest weighted rating	1270.3 2022-02-01	1271.5 2022-02-01	956.3 2024-11-01	786.3 2024-11-01
Highest weighted performance	1286.7 2020-02-01	1284.5 2020-02-01	1403.2 2018-03-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1249.1	1245.2	942.3	786.3
Analysis
Rating	1249.1	1245.2	942.3	786.3
Raw rating	1249.1	1245.2	942.3	786.3
Weighted rating	1249.1	1245.2	942.3
Weighted performance	493.1	492.2	0
K-factor	36	36	40	40
Floor	770.3	771.5	500	500
Max/Min rating change allowed	154.6	155.5	239.4	299
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	1249.1	1245.2	942.3	786.3
New weighted rating	1249.1	1245.2	942.3	786.3
New weighted performance	492.6	491.8	0	0
Temp new rating	1249.1	1245.2	942.3	786.3
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1249.1	1245.2	942.3	786.3
New K-factor	36	36	40	40
New floor	770.3	771.5	500	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	5	5	0
	0	0	0
History	353	311	42

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U20
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	70	43	61.43	97.1	1113.9	1211
Standard	58	35.5	61.21	95.3	1104.4	1199.7
Rapid	12	7.5	62.5	106.2	1159.5	1265.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1249.1	1245.2	942.3	786.3
2025-09-01	1249.1	1245.2	942.3	786.3
2025-08-01	1249.1	1245.2	942.3	786.3
2025-07-01	1249.1	1245.2	942.3	786.3
2025-06-01	1249.1	1245.2	942.3	786.3
2025-05-01	1249.1	1245.2	942.3	786.3
2025-04-01	1249.1	1245.2	942.3	786.3
2025-03-01	1249.1	1245.2	942.3	786.3
2025-02-01	1249.1	1245.2	942.3	786.3
2025-01-01	1249.1	1245.2	942.3	786.3
2024-12-01	1249.1	1245.2	942.3	786.3
2024-11-01	1249.1	1245.2	942.3	786.3
2024-10-01	1249.1	1245.2	942.3	786.3
2024-09-01	1249.1	1245.2	942.3	786.3
2024-08-01	1249.1	1245.2	942.3	786.3
2024-07-01	1249.1	1245.2	942.3	786.3
2024-06-01	1249.1	1245.2	942.3	786.3
2024-08-01	1249.1	1245.2	942.3	786.3
2024-04-01	1249.1	1245.2	942.3	786.3
2024-03-01	1249.1	1245.2	942.3	786.3
2024-02-01	1249.1	1245.2	942.3	786.3
2024-01-01	1249.1	1245.2	942.3	786.3
2023-12-01	1249.1	1245.2	942.3	786.3
2023-11-01	1249.1	1245.2	942.3	786.3

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	Ekurhuleni Chess Springs Club Open 2022 (B)	2022-09-03	2022-09-03	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
2	Knysna School Trials Round 2 2020 (Juniors)	2020-02-22	2020-02-22	Standard	Eden (WEG)	5	5	5	Yes	Analysis
3	Knysna School Trials #1 2020	2020-01-25	2020-01-25	Standard	Eden (WEG)	5	5	3	Yes	Analysis
4	2019 South African Junior Team Championships (U14B)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	3	Yes	Analysis
5	Eden Top Schools 2019 (U13)	2019-07-20	2019-07-20	Standard	Eden (WEG)	5	5	2	Yes	Analysis
6	Oyster Rapid Chess Festival 2019	2019-06-30	2019-06-30	Rapid	Eden (WEG)	6	6	2	Yes	Analysis
7	Eden Trials 3 2019 (U14 Open)	2019-05-11	2019-05-11	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis
8	Eden Trials 2 2019 (U14 Open)	2019-04-13	2019-04-13	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis
9	Eden Trials 1 2019 (U14 Open)	2019-03-02	2019-03-02	Standard	Eden (WEG)	5	5	3	Yes	Analysis
10	Knysna School Trials #2 2019	2019-02-16	2019-02-16	Standard	Eden (WEG)	5	5	4.5	Yes	Analysis
11	Knysna School Trials #1 2019	2019-02-02	2019-02-02	Standard	Eden (WEG)	5	5	4	Yes	Analysis
12	2018 Boardwalk Pearson Open (Devlopment)	2018-03-17	2018-03-17	Rapid	Nelson Mandela Bay (ENM)	6	6	5.5	Yes	Analysis
13	South African Junior Team Championships 2017 (U12B)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	6	3	Yes	Analysis

#	Games	Start				End
1	10	Tournament 2018 Boardwalk Pearson Open				Tournament Knysna School Trials #1 2019
		date 2018-03-17	rnd 1	type Rapid	result 1	date 2019-02-02	rnd 4	type Standard	result 1
		Opponent Kayster, S (Shafeeq)				Opponent Willemse, A (Alexandro)
2	8	Tournament Knysna School Trials #2 2019				Tournament Eden Trials 1 2019
		date 2019-02-16	rnd 1	type Standard	result 1	date 2019-03-02	rnd 3	type Standard	result 1
		Opponent Strydom, J (Joshua)				Opponent Daniels, R (Reuben)
3	7	Tournament Knysna School Trials #1 2020				Tournament Knysna School Trials Round 2 2020
		date 2020-01-25	rnd 4	type Standard	result 1	date 2020-02-22	rnd 5	type Standard	result 1
		Opponent Gelant, K (Keanu)				Opponent Law, A (Aaron)

#	Games	Start				End
1	8	Tournament Knysna School Trials #2 2019				Tournament Eden Trials 1 2019
		date 2019-02-16	rnd 1	type Standard	result 1	date 2019-03-02	rnd 3	type Standard	result 1
		Opponent Strydom, J (Joshua)				Opponent Daniels, R (Reuben)
2	7	Tournament Knysna School Trials #1 2020				Tournament Knysna School Trials Round 2 2020
		date 2020-01-25	rnd 4	type Standard	result 1	date 2020-02-22	rnd 5	type Standard	result 1
		Opponent Gelant, K (Keanu)				Opponent Law, A (Aaron)
3	4	Tournament Knysna School Trials #1 2019				Tournament Knysna School Trials #1 2019
		date 2019-02-02	rnd 1	type Standard	result 1	date 2019-02-02	rnd 4	type Standard	result 1
		Opponent Donson, K (Kiara)				Opponent Willemse, A (Alexandro)

#	Games	Start				End
1	6	Tournament 2018 Boardwalk Pearson Open				Tournament 2018 Boardwalk Pearson Open
		date 2018-03-17	rnd 1	type Rapid	result 1	date 2018-03-17	rnd 6	type Rapid	result 1
		Opponent Kayster, S (Shafeeq)				Opponent Deang, A (Aldre)
2	1	Tournament Oyster Rapid Chess Festival 2019				Tournament Oyster Rapid Chess Festival 2019
		date 2019-06-30	rnd 4	type Rapid	result 1	date 2019-06-30	rnd 4	type Rapid	result 1
		Opponent Roberts, I (Iwan)				Opponent Roberts, I (Iwan)
3	1	Tournament Oyster Rapid Chess Festival 2019				Tournament Oyster Rapid Chess Festival 2019
		date 2019-06-30	rnd 2	type Rapid	result 1	date 2019-06-30	rnd 2	type Rapid	result 1
		Opponent Conradie, M (Magda)				Opponent Conradie, M (Magda)

No games found.

#	Games	Start				End

#	Games	Start				End
1	7	Tournament Knysna School Trials #1 2020				Tournament Knysna School Trials Round 2 2020
		date 2020-01-25	rnd 4	type Standard	result 1	date 2020-02-22	rnd 5	type Standard	result 1
		Opponent Gelant, K (Keanu)				Opponent Law, A (Aaron)
2	5	Tournament 2018 Boardwalk Pearson Open				Tournament Knysna School Trials #1 2019
		date 2018-03-17	rnd 6	type Rapid	result 1	date 2019-02-02	rnd 4	type Standard	result 1
		Opponent Deang, A (Aldre)				Opponent Willemse, A (Alexandro)
3	4	Tournament Knysna School Trials #2 2019				Tournament Knysna School Trials #2 2019
		date 2019-02-16	rnd 1	type Standard	result 1	date 2019-02-16	rnd 4	type Standard	result 1
		Opponent Strydom, J (Joshua)				Opponent Law, A (Aaron)

#	Games	Start				End
1	7	Tournament Knysna School Trials #1 2020				Tournament Knysna School Trials Round 2 2020
		date 2020-01-25	rnd 4	type Standard	result 1	date 2020-02-22	rnd 5	type Standard	result 1
		Opponent Gelant, K (Keanu)				Opponent Law, A (Aaron)
2	4	Tournament Knysna School Trials #2 2019				Tournament Knysna School Trials #2 2019
		date 2019-02-16	rnd 1	type Standard	result 1	date 2019-02-16	rnd 4	type Standard	result 1
		Opponent Strydom, J (Joshua)				Opponent Law, A (Aaron)
3	4	Tournament Knysna School Trials #1 2019				Tournament Knysna School Trials #1 2019
		date 2019-02-02	rnd 1	type Standard	result 1	date 2019-02-02	rnd 4	type Standard	result 1
		Opponent Donson, K (Kiara)				Opponent Willemse, A (Alexandro)

#	Games	Start				End
1	4	Tournament 2018 Boardwalk Pearson Open				Tournament 2018 Boardwalk Pearson Open
		date 2018-03-17	rnd 1	type Rapid	result 1	date 2018-03-17	rnd 4	type Rapid	result 1
		Opponent Kayster, S (Shafeeq)				Opponent Twigg, G (Garen)
2	1	Tournament Oyster Rapid Chess Festival 2019				Tournament Oyster Rapid Chess Festival 2019
		date 2019-06-30	rnd 4	type Rapid	result 1	date 2019-06-30	rnd 4	type Rapid	result 1
		Opponent Roberts, I (Iwan)				Opponent Roberts, I (Iwan)
3	1	Tournament Oyster Rapid Chess Festival 2019				Tournament Oyster Rapid Chess Festival 2019
		date 2019-06-30	rnd 2	type Rapid	result 1	date 2019-06-30	rnd 2	type Rapid	result 1
		Opponent Conradie, M (Magda)				Opponent Conradie, M (Magda)

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	Valentine ,J (Jaden)	3	0	-425	3	0	-425	0	0	0	0	0	0
1	Valentine ,J (Jaden)	3	1208.6	783.6	3	1185.9	783.6	0	0	0	0	0	0
2	Adams ,B (Bernicia)	2	1	0	2	1	0	0	0	0	0	0	0
2	Adams ,B (Bernicia)	2	1107.5	1107.5	2	1097.7	1107.5	0	0	0	0	0	0
3	Gandhi ,E (Eleesh)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
3	Gandhi ,E (Eleesh)	2	1091.7	879.2	2	1042.9	879.2	0	0	0	0	0	0
4	Law ,A (Aaron)	2	2	425	2	2	425	0	0	0	0	0	0
4	Law ,A (Aaron)	2	1162.5	1587.5	2	1220.2	1587.5	0	0	0	0	0	0
5	Strydom ,T (Tristin)	2	2	425	2	2	425	0	0	0	0	0	0
5	Strydom ,T (Tristin)	2	1160.6	1585.6	2	1147.8	1585.6	0	0	0	0	0	0
6	Willemse ,A (Alexandro)	2	2	425	2	2	425	0	0	0	0	0	0
6	Willemse ,A (Alexandro)	2	964.8	1389.8	2	975.4	1389.8	0	0	0	0	0	0
7	Zhu ,D (David)	2	2	425	2	2	425	0	0	0	0	0	0
7	Zhu ,D (David)	2	1170.3	1595.3	2	1165	1595.3	0	0	0	0	0	0
8	Law ,E (Ethan)	1	1	425	1	1	425	0	0	0	0	0	0
8	Law ,E (Ethan)	1	1114.9	1539.9	1	1134	1539.9	0	0	0	0	0	0
9	Le Roux ,J (Jonicquin)	1	1	425	1	1	425	0	0	0	0	0	0
9	Le Roux ,J (Jonicquin)	1	1110.4	1535.4	1	1112	1535.4	0	0	0	0	0	0
10	Basson ,C (Cole)	1	1	425	1	1	425	0	0	0	0	0	0
10	Basson ,C (Cole)	1	1080.9	1505.9	1	1062.4	1505.9	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

Moller, R (Ruan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms