Chess South Africa Ratings Database

PLAYER PAGE

Personal

Meyer, R (Ryu)

Chess SA id

1150311016

FIDE id

Date of birth

2015-03-07 (U12)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-30

Personal details last changed

1900-01-01

Junior GPX Games

12.5

Junior GPX Points

1047.2

Item	Main	Standard	Rapid	Blitz
Rating	1190.9	1191.2	1234.1	1200
Raw rating	1172.6	1144.1	1234.1	1200
Weighted rating	1190.9	1191.2	1195.6	1200
Weighted performance	0	0	0	0
Floor	700	700	734.1	700
K-factor	36	36	36	36
Min/Max rating change allowed	172.4	179.6	158	165.8
Highest rating	1200 2024-09-01	1200 2024-09-01	1234.1 2025-09-30	1200 2024-09-01
Highest raw rating	1200 2024-09-01	1200 2024-09-01	1234.1 2025-09-30	1200 2024-09-01
Highest weighted rating	1200 2024-09-01	1200 2024-09-01	1200 2024-09-01	1200 2024-09-01
Highest weighted performance	1200 2024-12-01	1200 2024-09-01	1200 2024-12-01	1200 2024-09-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-1.7	-4.1	0	0
New rating	1189.1	1187.1	1234.1	1200
Analysis
Rating	1190.9	1191.2	1234.1	1200
Raw rating	1172.6	1144.1	1234.1	1200
Weighted rating	1190.9	1191.2	1195.6
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	734.1	700
Max/Min rating change allowed	172.4	179.6	158	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	1172.6	1144.1	1234.1	1200
New weighted rating	1189.1	1187.1	1198.7	1200
New weighted performance	0	0	0	0
Temp new rating	1189.1	1187.1	1234.1	1200
Temp new rating +/-	-1.7	-4.1	0	0
Final new rating +/-	-1.7	-4.1	0	0
New rating	1189.1	1187.1	1234.1	1200
New K-factor	36	36	36	36
New floor	700	700	734.1	700

Item	Main	Standard	Rapid
	0	0	0
	16	10	6
	6	0	6
	0	0	0
	0	0	0
	0	0	0
History	22	10	12

Games since
	Main 22	Standard 10		Rapid 12		Blitz 0
Gender	Male
Age group	U12
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 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	16	7	43.75	-53.1	1221	1167.9
Standard	10	3	30	-170	1227.2	1057.2
Rapid	6	4	66.67	141.7	1210.7	1352.4
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	22	9.5	43.18	-58	1215.3	1157.3
Standard	10	3	30	-170	1227.2	1057.2
Rapid	12	6.5	54.17	35.4	1205.3	1240.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1172.6	1144.1	1234.1	1200
2025-09-01	1150.8	1144.1	1193.4	1200
2025-08-01	1196.7	1200	1193.4	1200
2025-07-01	1196.7	1200	1193.4	1200
2025-06-01	1196.7	1200	1193.4	1200
2025-05-01	1196.7	1200	1193.4	1200
2025-04-01	1196.6	1199.7	1193.4	1200
2025-03-01	1196.9	1200	1193.4	1200
2025-02-01	1196.6	1200	1192.7	1200
2025-01-01	1190.6	1200	1180	1200
2024-12-01	1190.6	1200	1180	1200
2024-11-01	1190.6	1200	1180	1200
2024-10-01	1190.6	1200	1180	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200
2023-11-01	1200	1200	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	Tsogo Sun Moves For Life Learners Tournament 2025 (U11)	2025-08-30	2025-08-30	Rapid	Eden (WEG)	6	6	4	Yes	Analysis
2	Mossel Bay Top Schools 2025 (U11 Open)	2025-08-02	2025-08-02	Standard	Eden (WEG)	5	5	1	Yes	Analysis
3	Eden Chess Trials 2 2025 (U12)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	0	0	No	Analysis
4	Eden Schools Chess Trials 1 2025 (U11 Boys)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Tsogo Sun Moves For Life Learners Tournament 2025 (U11)	2025-08-30	2025-08-30	Rapid	Eden (WEG)	6	6	4	Yes	Analysis
2	Mossel Bay Top Schools 2025 (U11 Open)	2025-08-02	2025-08-02	Standard	Eden (WEG)	5	5	1	Yes	Analysis
3	Eden Chess Trials 2 2025 (U12)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	0	0	No	Analysis
4	Eden Schools Chess Trials 1 2025 (U11 Boys)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	2	Yes	Analysis
5	Tsogo Sun Moves For Life Learners Tournament 2024 (U9)	2024-08-31	2024-08-31	Rapid	Eden (WEG)	6	6	2.5	Yes	Analysis

#	Games	Start				End
1	3	Tournament Tsogo Sun Moves For Life Learners Tournament 2025				Tournament Tsogo Sun Moves For Life Learners Tournament 2025
		date 2025-08-30	rnd 3	type Rapid	result 1	date 2025-08-30	rnd 5	type Rapid	result 1
		Opponent Jaftha, Z (Zakeva)				Opponent Petersen, A (Avah-Lee)
2	2	Tournament Eden Schools Chess Trials 1 2025				Tournament Mossel Bay Top Schools 2025
		date 2025-03-08	rnd 5	type Standard	result 1	date 2025-08-02	rnd 1	type Standard	result 1
		Opponent Pietersen, L (Linsey)				Opponent Jumaar, K (Keeran)
3	2	Tournament Tsogo Sun Moves For Life Learners Tournament 2024				Tournament Tsogo Sun Moves For Life Learners Tournament 2024
		date 2024-08-31	rnd 4	type Rapid	result 0.5	date 2024-08-31	rnd 5	type Rapid	result 1
		Opponent Mpangani, L (Lunje)				Opponent Samela, A (Akhahlame)

#	Games	Start				End
1	2	Tournament Eden Schools Chess Trials 1 2025				Tournament Mossel Bay Top Schools 2025
		date 2025-03-08	rnd 5	type Standard	result 1	date 2025-08-02	rnd 1	type Standard	result 1
		Opponent Pietersen, L (Linsey)				Opponent Jumaar, K (Keeran)
2	1	Tournament Eden Schools Chess Trials 1 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-08	rnd 2	type Standard	result 1	date 2025-03-08	rnd 2	type Standard	result 1
		Opponent Jantjies, L (Lethan)				Opponent Jantjies, L (Lethan)

#	Games	Start				End
1	3	Tournament Tsogo Sun Moves For Life Learners Tournament 2025				Tournament Tsogo Sun Moves For Life Learners Tournament 2025
		date 2025-08-30	rnd 3	type Rapid	result 1	date 2025-08-30	rnd 5	type Rapid	result 1
		Opponent Jaftha, Z (Zakeva)				Opponent Petersen, A (Avah-Lee)
2	2	Tournament Tsogo Sun Moves For Life Learners Tournament 2024				Tournament Tsogo Sun Moves For Life Learners Tournament 2024
		date 2024-08-31	rnd 4	type Rapid	result 0.5	date 2024-08-31	rnd 5	type Rapid	result 1
		Opponent Mpangani, L (Lunje)				Opponent Samela, A (Akhahlame)
3	1	Tournament Tsogo Sun Moves For Life Learners Tournament 2025				Tournament Tsogo Sun Moves For Life Learners Tournament 2025
		date 2025-08-30	rnd 1	type Rapid	result 1	date 2025-08-30	rnd 1	type Rapid	result 1
		Opponent Booysen, T (Toufeeq)				Opponent Booysen, T (Toufeeq)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Tsogo Sun Moves For Life Learners Tournament 2025				Tournament Tsogo Sun Moves For Life Learners Tournament 2025
		date 2025-08-30	rnd 3	type Rapid	result 1	date 2025-08-30	rnd 5	type Rapid	result 1
		Opponent Jaftha, Z (Zakeva)				Opponent Petersen, A (Avah-Lee)
2	2	Tournament Eden Schools Chess Trials 1 2025				Tournament Mossel Bay Top Schools 2025
		date 2025-03-08	rnd 5	type Standard	result 1	date 2025-08-02	rnd 1	type Standard	result 1
		Opponent Pietersen, L (Linsey)				Opponent Jumaar, K (Keeran)
3	1	Tournament Tsogo Sun Moves For Life Learners Tournament 2025				Tournament Tsogo Sun Moves For Life Learners Tournament 2025
		date 2025-08-30	rnd 1	type Rapid	result 1	date 2025-08-30	rnd 1	type Rapid	result 1
		Opponent Booysen, T (Toufeeq)				Opponent Booysen, T (Toufeeq)

#	Games	Start				End
1	2	Tournament Eden Schools Chess Trials 1 2025				Tournament Mossel Bay Top Schools 2025
		date 2025-03-08	rnd 5	type Standard	result 1	date 2025-08-02	rnd 1	type Standard	result 1
		Opponent Pietersen, L (Linsey)				Opponent Jumaar, K (Keeran)
2	1	Tournament Eden Schools Chess Trials 1 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-08	rnd 2	type Standard	result 1	date 2025-03-08	rnd 2	type Standard	result 1
		Opponent Jantjies, L (Lethan)				Opponent Jantjies, L (Lethan)

#	Games	Start				End
1	3	Tournament Tsogo Sun Moves For Life Learners Tournament 2025				Tournament Tsogo Sun Moves For Life Learners Tournament 2025
		date 2025-08-30	rnd 3	type Rapid	result 1	date 2025-08-30	rnd 5	type Rapid	result 1
		Opponent Jaftha, Z (Zakeva)				Opponent Petersen, A (Avah-Lee)
2	1	Tournament Tsogo Sun Moves For Life Learners Tournament 2025				Tournament Tsogo Sun Moves For Life Learners Tournament 2025
		date 2025-08-30	rnd 1	type Rapid	result 1	date 2025-08-30	rnd 1	type Rapid	result 1
		Opponent Booysen, T (Toufeeq)				Opponent Booysen, T (Toufeeq)
3	1	Tournament Tsogo Sun Moves For Life Learners Tournament 2024				Tournament Tsogo Sun Moves For Life Learners Tournament 2024
		date 2024-08-31	rnd 5	type Rapid	result 1	date 2024-08-31	rnd 5	type Rapid	result 1
		Opponent Samela, A (Akhahlame)				Opponent Samela, A (Akhahlame)

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	Muller ,E (Eduard)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Muller ,E (Eduard)	1	1265.1	840.1	1	1277.7	840.1	0	0	0	0	0	0
2	Duitsjan ,L (Luke)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Duitsjan ,L (Luke)	1	1202.1	777.1	1	1210.4	777.1	0	0	0	0	0	0
3	Pietersen ,L (Linsey)	1	1	425	1	1	425	0	0	0	0	0	0
3	Pietersen ,L (Linsey)	1	1238.6	1663.6	1	1245.9	1663.6	0	0	0	0	0	0
4	Calitz ,R (Ruben)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Calitz ,R (Ruben)	1	1230.6	805.6	1	1229.2	805.6	0	0	0	0	0	0
5	Jantjies ,L (Lethan)	1	1	425	1	1	425	0	0	0	0	0	0
5	Jantjies ,L (Lethan)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Jumaar ,K (Keeran)	1	1	425	1	1	425	0	0	0	0	0	0
6	Jumaar ,K (Keeran)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Du Plessis ,D (Drewin)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Du Plessis ,D (Drewin)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Pienaar ,D (Daniel)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Pienaar ,D (Daniel)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Cameron ,T (Tyrell)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Cameron ,T (Tyrell)	1	1187.3	762.3	1	1181	762.3	0	0	0	0	0	0
10	Petersen ,A (Avah-Lee)	1	1	425	0	0	0	1	1	425	0	0	0
10	Petersen ,A (Avah-Lee)	1	1196.1	1621.1	0	0	0	1	1200	1621.1	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Meyer, R (Ryu)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms