Chess South Africa Ratings Database

PLAYER PAGE

Personal

Ruvunangiza, Y (Yvan)

Chess SA id

1100310881

FIDE id

Date of birth

2010-01-30 (U18)

Gender

Male

Region

(COD)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1186.2	1184.1	1200	1200
Raw rating	1186.2	1184.1	1200	1200
Weighted rating	1179.5	1175.8	1200	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	169.1	169.6	165.8	165.8
Highest rating	1200 2024-11-01	1200 2024-11-01	1200 2024-10-01	1200 2024-10-01
Highest raw rating	1200 2024-09-01	1200 2024-09-01	1200 2024-10-01	1200 2024-10-01
Highest weighted rating	1200 2024-11-01	1200 2024-11-01	1200 2024-10-01	1200 2024-10-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-10-01	1200 2024-10-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1186.2	1184.1	1200	1200
Analysis
Rating	1186.2	1184.1	1200	1200
Raw rating	1186.2	1184.1	1200	1200
Weighted rating	1179.5	1175.8	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	169.1	169.6	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	1186.2	1184.1	1200	1200
New weighted rating	1179.9	1176.3	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1186.2	1184.1	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1186.2	1184.1	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	11	11
	4	4
	0	0
	0	0
	0	0
History	15	15

Games since
	Main 15	Standard 15		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region
Province
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	11	5	45.45	-38.6	1235.1	1196.5
Standard	11	5	45.45	-38.6	1235.1	1196.5
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	15	5	33.33	-141.7	1235.4	1093.7
Standard	15	5	33.33	-141.7	1235.4	1093.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1186.2	1184.1	1200	1200
2025-11-30	1186.2	1184.1	1200	1200
2025-11-01	1185.6	1183	1200	1200
2025-09-30	1183.5	1181.2	1200	1200
2025-09-01	1183.5	1181.2	1200	1200
2025-08-01	1183.5	1181.2	1200	1200
2025-07-01	1183.5	1181.2	1200	1200
2025-06-01	1183.5	1181.2	1200	1200
2025-05-01	1183.5	1181.2	1200	1200
2025-04-01	1183.5	1181.2	1200	1200
2025-03-01	1180	1175.8	1200	1200
2025-02-01	1177.9	1173.2	1200	1200
2025-01-01	1139.6	1126.8	1200	1200
2024-12-01	1139.6	1126.8	1200	1200
2024-11-01	1139.6	1126.8	1200	1200
2024-10-01	1139.6	1126.8	1200	1200
2024-09-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-05-01	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

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	JCC St Davids Marist Schools League 2025 (B)	2025-09-08	2025-10-27	Standard	Johannesburg Metro (GJM)	6	2	1	Yes	Analysis
2	2025 Gauteng Top Schools Teams (U15)	2025-08-30	2025-08-30	Standard	Tshwane (GTP)	5	4	1.5	Yes	Analysis
3	JMC Crawford Sandton 2025 (D)	2025-05-10	2025-05-10	Standard	Johannesburg Metro (GJM)	5	0	0	No	Analysis
4	JCC - Dainfern Chess League 2025 (B)	2025-02-03	2025-03-17	Standard	Johannesburg Metro (GJM)	6	5	2.5	Yes	Analysis
5	JCC Khelo India 1st Annual Chess Tournament 2024 (B)	2024-08-31	2024-08-31	Standard	Johannesburg Metro (GJM)	5	4	0	Yes	Analysis

#	Games	Start				End
1	3	Tournament JCC - Dainfern Chess League 2025				Tournament JCC - Dainfern Chess League 2025
		date 2025-02-10	rnd 2	type Standard	result 1	date 2025-03-03	rnd 4	type Standard	result 0.5
		Opponent Pillay, A (Angelique)				Opponent Hsu, S (Shaun)
2	1	Tournament 2025 Gauteng Top Schools Teams				Tournament 2025 Gauteng Top Schools Teams
		date 2025-08-30	rnd 3	type Standard	result 0.5	date 2025-08-30	rnd 3	type Standard	result 0.5
		Opponent Vermaak, L (Louis Jacobus)				Opponent Vermaak, L (Louis Jacobus)
3	1	Tournament 2025 Gauteng Top Schools Teams				Tournament 2025 Gauteng Top Schools Teams
		date 2025-08-30	rnd 1	type Standard	result 1	date 2025-08-30	rnd 1	type Standard	result 1
		Opponent Magagula, N (Njabulo)				Opponent Magagula, N (Njabulo)

#	Games	Start				End
1	3	Tournament JCC - Dainfern Chess League 2025				Tournament JCC - Dainfern Chess League 2025
		date 2025-02-10	rnd 2	type Standard	result 1	date 2025-03-03	rnd 4	type Standard	result 0.5
		Opponent Pillay, A (Angelique)				Opponent Hsu, S (Shaun)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament JCC - Dainfern Chess League 2025				Tournament JCC - Dainfern Chess League 2025
		date 2025-02-10	rnd 2	type Standard	result 1	date 2025-02-17	rnd 3	type Standard	result 1
		Opponent Pillay, A (Angelique)				Opponent Srikarthik Kamatchi, R (Ritheesh)

#	Games	Start				End
1	2	Tournament JCC - Dainfern Chess League 2025				Tournament JCC - Dainfern Chess League 2025
		date 2025-02-10	rnd 2	type Standard	result 1	date 2025-02-17	rnd 3	type Standard	result 1
		Opponent Pillay, A (Angelique)				Opponent Srikarthik Kamatchi, R (Ritheesh)

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	Myeni ,N (Nhlanhla)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Myeni ,N (Nhlanhla)	1	1200	775	1	1200	775	0	0	0	0	0	0
2	Ramlutchman ,K (Kyle)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Ramlutchman ,K (Kyle)	1	1195.4	770.4	1	1194.3	770.4	0	0	0	0	0	0
3	Somo ,G (Gordon Thapedi)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Somo ,G (Gordon Thapedi)	1	1220.9	795.9	1	1220.8	795.9	0	0	0	0	0	0
4	Shen Yu ,C (Caroline)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Shen Yu ,C (Caroline)	1	1256.5	831.5	1	1248.5	831.5	0	0	0	0	0	0
5	Magagula ,N (Njabulo)	1	1	425	1	1	425	0	0	0	0	0	0
5	Magagula ,N (Njabulo)	1	1225.1	1650.1	1	1200	1650.1	0	0	0	0	0	0
6	Pelo ,T (Tebogo)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Pelo ,T (Tebogo)	1	1267.3	842.3	1	1269.6	842.3	0	0	0	0	0	0
7	Maselela ,L (Leago)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Maselela ,L (Leago)	1	1213.3	788.3	1	1214.9	788.3	0	0	0	0	0	0
8	Sewchurn ,S (Sonali)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Sewchurn ,S (Sonali)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Hsu ,S (Shaun)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
9	Hsu ,S (Shaun)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
10	Vermaak ,L (Louis Jacobus)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
10	Vermaak ,L (Louis Jacobus)	1	1313.3	1313.3	1	1293.6	1313.3	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

Ruvunangiza, Y (Yvan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms