Chess South Africa Ratings Database

PLAYER PAGE

Personal

Claasen, R (Rowen)

Chess SA id

1090139251

FIDE id

Date of birth

2009-05-29 (U18)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-03-01

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

910.1

Item	Main	Standard	Rapid	Blitz
Rating	1204	1204.8	1199.6	1200
Raw rating	1204	1204.8	1199.6	1200
Weighted rating	1203.6	1204.3	1199.6	1200
Weighted performance	874.6	880.4	0	0
Floor	744.1	752.6	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	164.9	164.7	165.9	165.8
Highest rating	1244.1 2024-03-01	1252.6 2024-03-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1244.1 2024-03-01	1252.6 2024-03-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1244.1 2024-08-01	1252.6 2024-06-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1226.9 2024-03-01	1226.5 2024-03-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1204	1204.8	1199.6	1200
Analysis
Rating	1204	1204.8	1199.6	1200
Raw rating	1204	1204.8	1199.6	1200
Weighted rating	1203.6	1204.3	1199.6
Weighted performance	874.6	880.4	0
K-factor	36	36	36	36
Floor	744.1	752.6	700	700
Max/Min rating change allowed	164.9	164.7	165.9	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	1204	1204.8	1199.6	1200
New weighted rating	1203.5	1204.1	1199.6	1200
New weighted performance	868.8	874.4	0	0
Temp new rating	1204	1204.8	1199.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1204	1204.8	1199.6	1200
New K-factor	36	36	36	36
New floor	744.1	752.6	700	700

Item	Main	Standard	Rapid
	0	0	0
	15	9	6
	19	19	0
	5	5	0
	10	10	0
	0	0	0
History	49	43	6

Games since
	Main 34	Standard 28		Rapid 6		Blitz 0
Gender	Male
Age group	U18
Region	Eden (WEG)
Province	Western Cape (WC)
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	15	3	20	-255	1224.5	969.5
Standard	9	1	11.11	-330.6	1206.8	876.2
Rapid	6	2	33.33	-141.7	1251	1109.3
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	49	19	38.78	-95.4	1215.4	1120
Standard	43	17	39.53	-89	1210.4	1121.5
Rapid	6	2	33.33	-141.7	1251	1109.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1204	1204.8	1199.6	1200
2025-09-30	1204	1204.8	1199.6	1200
2025-09-01	1204	1204.8	1199.6	1200
2025-08-01	1204	1204.8	1199.6	1200
2025-07-01	1204	1204.8	1199.6	1200
2025-06-01	1204	1204.8	1199.6	1200
2025-05-01	1203.7	1204.4	1199.6	1200
2025-04-01	1198.5	1198.3	1199.4	1200
2025-03-01	1201.3	1202.9	1196.3	1200
2025-02-01	1204.6	1205.5	1200	1200
2025-01-01	1200.4	1200	1200	1200
2024-12-01	1200.4	1200	1200	1200
2024-11-01	1200.4	1200	1200	1200
2024-10-01	1200.4	1200	1200	1200
2024-09-01	1200.4	1200	1200	1200
2024-08-01	1200.4	1200	1200	1200
2024-07-01	1200.4	1200	1200	1200
2024-09-01	1200.4	1200	1200	1200
2024-05-01	1200.4	1200	1200	1200
2024-04-01	1243.2	1249.4	1200	1200
2024-03-01	1244.1	1252.6	1200	1200
2024-02-01	1201.7	1203.6	1200	1200
2024-01-01	1201.7	1203.6	1200	1200
2023-12-01	1201.7	1203.6	1200	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Oudussa Trials 2025 (U17)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	0	Yes	Analysis
2	Eden Rapid 2025 (A)	2025-02-23	2025-02-23	Rapid	Eden (WEG)	6	6	2	Yes	Analysis
3	Oudussa Trials 2 2025 (U17 Boys+Girls)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	4	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Oudussa Trials 2025 (U17)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	0	Yes	Analysis
2	Eden Rapid 2025 (A)	2025-02-23	2025-02-23	Rapid	Eden (WEG)	6	6	2	Yes	Analysis
3	Oudussa Trials 2 2025 (U17 Boys+Girls)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	4	1	Yes	Analysis
4	Eden Chess Trials 2 2024 (U16)	2024-04-13	2024-04-20	Standard	Eden (WEG)	10	4	0	Yes	Analysis
5	Eden School Chess Trials 1 2024 (U15 Boys)	2024-03-09	2024-03-09	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis
6	OUDUSSA Trials 2 2024 (U15 Boys)	2024-02-17	2024-02-17	Standard	Eden (WEG)	5	5	3	Yes	Analysis
7	OUDUSSA Trials 1 2024 (U15 Boys)	2024-02-03	2024-02-03	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis
8	Oudussa Proewe 1 2023 (U15 Boys)	2023-02-11	2023-02-11	Standard	Eden (WEG)	5	5	3	Yes	Analysis
9	Eden Proewe 2 2022 (O13 Seuns)	2022-04-09	2022-04-09	Standard	Eden (WEG)	5	5	2	Yes	Analysis
10	Eden Proewe 1 2022 (O13 Seuns)	2022-03-12	2022-03-12	Standard	Eden (WEG)	5	5	2	Yes	Analysis

#	Games	Start				End
1	4	Tournament OUDUSSA Trials 1 2024				Tournament OUDUSSA Trials 2 2024
		date 2024-02-03	rnd 3	type Standard	result 1	date 2024-02-17	rnd 1	type Standard	result 1
		Opponent Boesak, D (Delmonian)				Opponent Makwasa, E (Ebrahim)
2	3	Tournament OUDUSSA Trials 2 2024				Tournament Eden School Chess Trials 1 2024
		date 2024-02-17	rnd 4	type Standard	result 1	date 2024-03-09	rnd 1	type Standard	result 0.5
		Opponent Botha, H (Henzel)				Opponent Juries, E (Ezequiel)
3	3	Tournament Oudussa Proewe 1 2023				Tournament OUDUSSA Trials 1 2024
		date 2023-02-11	rnd 4	type Standard	result 1	date 2024-02-03	rnd 1	type Standard	result 1
		Opponent Kammies, F (Ferlo)				Opponent Julies, J (Jaiden)

#	Games	Start				End
1	4	Tournament OUDUSSA Trials 1 2024				Tournament OUDUSSA Trials 2 2024
		date 2024-02-03	rnd 3	type Standard	result 1	date 2024-02-17	rnd 1	type Standard	result 1
		Opponent Boesak, D (Delmonian)				Opponent Makwasa, E (Ebrahim)
2	3	Tournament OUDUSSA Trials 2 2024				Tournament Eden School Chess Trials 1 2024
		date 2024-02-17	rnd 4	type Standard	result 1	date 2024-03-09	rnd 1	type Standard	result 0.5
		Opponent Botha, H (Henzel)				Opponent Juries, E (Ezequiel)
3	3	Tournament Oudussa Proewe 1 2023				Tournament OUDUSSA Trials 1 2024
		date 2023-02-11	rnd 4	type Standard	result 1	date 2024-02-03	rnd 1	type Standard	result 1
		Opponent Kammies, F (Ferlo)				Opponent Julies, J (Jaiden)

#	Games	Start				End
1	1	Tournament Eden Rapid 2025				Tournament Eden Rapid 2025
		date 2025-02-23	rnd 5	type Rapid	result 1	date 2025-02-23	rnd 5	type Rapid	result 1
		Opponent Adams, J (Jay-D)				Opponent Adams, J (Jay-D)
2	1	Tournament Eden Rapid 2025				Tournament Eden Rapid 2025
		date 2025-02-23	rnd 2	type Rapid	result 1	date 2025-02-23	rnd 2	type Rapid	result 1
		Opponent Sauls, S (Shalmino)				Opponent Sauls, S (Shalmino)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Oudussa Proewe 1 2023				Tournament OUDUSSA Trials 1 2024
		date 2023-02-11	rnd 4	type Standard	result 1	date 2024-02-03	rnd 1	type Standard	result 1
		Opponent Kammies, F (Ferlo)				Opponent Julies, J (Jaiden)
2	2	Tournament Eden School Chess Trials 1 2024				Tournament Eden School Chess Trials 1 2024
		date 2024-03-09	rnd 4	type Standard	result 1	date 2024-03-09	rnd 5	type Standard	result 1
		Opponent Muswerarimwe, L (Leon)				Opponent Nomdo, L (Luciano)
3	2	Tournament OUDUSSA Trials 2 2024				Tournament OUDUSSA Trials 2 2024
		date 2024-02-17	rnd 4	type Standard	result 1	date 2024-02-17	rnd 5	type Standard	result 1
		Opponent Botha, H (Henzel)				Opponent Witbooi, S (Sergio)

#	Games	Start				End
1	3	Tournament Oudussa Proewe 1 2023				Tournament OUDUSSA Trials 1 2024
		date 2023-02-11	rnd 4	type Standard	result 1	date 2024-02-03	rnd 1	type Standard	result 1
		Opponent Kammies, F (Ferlo)				Opponent Julies, J (Jaiden)
2	2	Tournament Eden School Chess Trials 1 2024				Tournament Eden School Chess Trials 1 2024
		date 2024-03-09	rnd 4	type Standard	result 1	date 2024-03-09	rnd 5	type Standard	result 1
		Opponent Muswerarimwe, L (Leon)				Opponent Nomdo, L (Luciano)
3	2	Tournament OUDUSSA Trials 2 2024				Tournament OUDUSSA Trials 2 2024
		date 2024-02-17	rnd 4	type Standard	result 1	date 2024-02-17	rnd 5	type Standard	result 1
		Opponent Botha, H (Henzel)				Opponent Witbooi, S (Sergio)

#	Games	Start				End
1	1	Tournament Eden Rapid 2025				Tournament Eden Rapid 2025
		date 2025-02-23	rnd 5	type Rapid	result 1	date 2025-02-23	rnd 5	type Rapid	result 1
		Opponent Adams, J (Jay-D)				Opponent Adams, J (Jay-D)
2	1	Tournament Eden Rapid 2025				Tournament Eden Rapid 2025
		date 2025-02-23	rnd 2	type Rapid	result 1	date 2025-02-23	rnd 2	type Rapid	result 1
		Opponent Sauls, S (Shalmino)				Opponent Sauls, S (Shalmino)

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	Isaaks ,M (Matthew)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Isaaks ,M (Matthew)	2	1185.1	760.1	2	1185.8	760.1	0	0	0	0	0	0
2	Pieters ,D (Deacon)	2	2	425	2	2	425	0	0	0	0	0	0
2	Pieters ,D (Deacon)	2	1180.6	1605.6	2	1176.6	1605.6	0	0	0	0	0	0
3	Botha ,M (Mcearlin)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Botha ,M (Mcearlin)	2	1227.4	802.4	2	1231.7	802.4	0	0	0	0	0	0
4	Witbooi ,S (Sergio)	2	1	0	2	1	0	0	0	0	0	0	0
4	Witbooi ,S (Sergio)	2	1217.9	1217.9	2	1221.6	1217.9	0	0	0	0	0	0
5	Stevens ,W (Wichardo)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Stevens ,W (Wichardo)	1	1318.5	893.5	1	1322.1	893.5	0	0	0	0	0	0
6	Abrahams ,D (Dangelo)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Abrahams ,D (Dangelo)	1	1142.9	717.9	1	1132.1	717.9	0	0	0	0	0	0
7	Opperman ,C (Crehasia)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Opperman ,C (Crehasia)	1	1040.7	615.7	1	1023.2	615.7	0	0	0	0	0	0
8	Julies ,J (Jaiden)	1	1	425	1	1	425	0	0	0	0	0	0
8	Julies ,J (Jaiden)	1	1100.1	1525.1	1	1076	1525.1	0	0	0	0	0	0
9	Arpin ,L (Lukas)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Arpin ,L (Lukas)	1	1408.2	983.2	1	1400.9	983.2	0	0	0	0	0	0
10	Kock ,Z (Ziyaad)	1	1	425	1	1	425	0	0	0	0	0	0
10	Kock ,Z (Ziyaad)	1	1200	1625	1	1200	1625	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Claasen, R (Rowen)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms