Chess South Africa Ratings Database

PLAYER PAGE

Personal

Vosser, R (Ryan)

Chess SA id

1140304584

FIDE id

Date of birth

2014-01-29 (U12)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-15

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1178.1	1173.9	1200	1200
Raw rating	1150.8	1141.5	1200	1200
Weighted rating	1178.1	1173.9	1200	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	177.9	180.2	165.8	165.8
Highest rating	1200 2024-11-01	1200 2024-11-01	1200 2024-06-01	1200 2024-06-01
Highest raw rating	1200 2024-05-01	1200 2024-05-01	1200 2024-06-01	1200 2024-06-01
Highest weighted rating	1200 2024-11-01	1200 2024-11-01	1200 2024-06-01	1200 2024-06-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-06-01	1200 2024-06-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-2.6	-3.1	0	0
New rating	1175.5	1170.8	1200	1200
Analysis
Rating	1178.1	1173.9	1200	1200
Raw rating	1150.8	1141.5	1200	1200
Weighted rating	1178.1	1173.9	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	177.9	180.2	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	1150.8	1141.5	1200	1200
New weighted rating	1175.5	1170.8	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1175.5	1170.8	1200	1200
Temp new rating +/-	-2.6	-3.1	0	0
Final new rating +/-	-2.6	-3.1	0	0
New rating	1175.5	1170.8	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	11	5	6
	5	5	0
	0	0	0
	0	0	0
	0	0	0
History	16	10	6

Games since
	Main 16	Standard 10		Rapid 6		Blitz 0
Gender	Male
Age group	U12
Region	Tshwane (GTP)
Province	Gauteng (GT)
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	11	3.5	31.82	-154.5	1237	1082.4
Standard	5	1	20	-255	1241.9	986.9
Rapid	6	2.5	41.67	-70.8	1232.9	1162.1
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	16	5.5	34.38	-132.8	1218.3	1085.5
Standard	10	3	30	-170	1209.6	1039.6
Rapid	6	2.5	41.67	-70.8	1232.9	1162.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1150.8	1141.5	1200	1200
2025-09-30	1150.8	1141.5	1200	1200
2025-09-01	1150.8	1141.5	1200	1200
2025-08-01	1187.3	1185.9	1200	1200
2025-07-01	1187.3	1185.9	1199.9	1200
2025-06-01	1187.3	1185.9	1199.6	1200
2025-05-01	1188.5	1185.9	1200	1200
2025-04-01	1188.5	1185.9	1200	1200
2025-03-01	1188.5	1185.9	1200	1200
2025-02-01	1188.2	1185.6	1200	1200
2025-01-01	1180.4	1176	1200	1200
2024-12-01	1180.4	1176	1200	1200
2024-11-01	1180.4	1176	1200	1200
2024-10-01	1180.4	1176	1200	1200
2024-09-01	1180.4	1176	1200	1200
2024-08-01	1180.4	1176	1200	1200
2024-07-01	1180.4	1176	1200	1200
2024-09-01	1180.4	1176	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
2024-01-01	1200	1200	1200	1200
2023-12-01	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	2025 Tshwane South School District CLOSED League Championship (U11A)	2025-08-15	2025-08-15	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
2	RMS Rapid Chess Open 31 May 2025 (U11)	2025-05-31	2025-05-31	Rapid	Sedibeng (GSV)	6	6	2.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Tshwane South School District CLOSED League Championship (U11A)	2025-08-15	2025-08-15	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
2	RMS Rapid Chess Open 31 May 2025 (U11)	2025-05-31	2025-05-31	Rapid	Sedibeng (GSV)	6	6	2.5	Yes	Analysis
3	2024 Tshwane South School District CLOSED Individual Championships (U11 Mixed)	2024-05-11	2024-05-11	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis

#	Games	Start				End
1	2	Tournament RMS Rapid Chess Open 31 May 2025				Tournament RMS Rapid Chess Open 31 May 2025
		date 2025-05-31	rnd 5	type Rapid	result 0.5	date 2025-05-31	rnd 6	type Rapid	result 1
		Opponent Henning, D (Divan)				Opponent Venter, L (Luan)
2	2	Tournament 2024 Tshwane South School District CLOSED Individual Championships				Tournament 2024 Tshwane South School District CLOSED Individual Championships
		date 2024-05-11	rnd 2	type Standard	result 1	date 2024-05-11	rnd 3	type Standard	result 1
		Opponent Fine, J (Jad)				Opponent Bekker, D (Dylan)
3	1	Tournament 2025 Tshwane South School District CLOSED League Championship				Tournament 2025 Tshwane South School District CLOSED League Championship
		date 2025-08-15	rnd 4	type Standard	result 1	date 2025-08-15	rnd 4	type Standard	result 1
		Opponent Miller, L (Luke)				Opponent Miller, L (Luke)

#	Games	Start				End
1	2	Tournament 2024 Tshwane South School District CLOSED Individual Championships				Tournament 2024 Tshwane South School District CLOSED Individual Championships
		date 2024-05-11	rnd 2	type Standard	result 1	date 2024-05-11	rnd 3	type Standard	result 1
		Opponent Fine, J (Jad)				Opponent Bekker, D (Dylan)
2	1	Tournament 2025 Tshwane South School District CLOSED League Championship				Tournament 2025 Tshwane South School District CLOSED League Championship
		date 2025-08-15	rnd 4	type Standard	result 1	date 2025-08-15	rnd 4	type Standard	result 1
		Opponent Miller, L (Luke)				Opponent Miller, L (Luke)

#	Games	Start				End
1	2	Tournament RMS Rapid Chess Open 31 May 2025				Tournament RMS Rapid Chess Open 31 May 2025
		date 2025-05-31	rnd 5	type Rapid	result 0.5	date 2025-05-31	rnd 6	type Rapid	result 1
		Opponent Henning, D (Divan)				Opponent Venter, L (Luan)
2	1	Tournament RMS Rapid Chess Open 31 May 2025				Tournament RMS Rapid Chess Open 31 May 2025
		date 2025-05-31	rnd 2	type Rapid	result 1	date 2025-05-31	rnd 2	type Rapid	result 1
		Opponent Henning, D (Divan)				Opponent Henning, D (Divan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament 2024 Tshwane South School District CLOSED Individual Championships				Tournament 2024 Tshwane South School District CLOSED Individual Championships
		date 2024-05-11	rnd 2	type Standard	result 1	date 2024-05-11	rnd 3	type Standard	result 1
		Opponent Fine, J (Jad)				Opponent Bekker, D (Dylan)
2	1	Tournament 2025 Tshwane South School District CLOSED League Championship				Tournament 2025 Tshwane South School District CLOSED League Championship
		date 2025-08-15	rnd 4	type Standard	result 1	date 2025-08-15	rnd 4	type Standard	result 1
		Opponent Miller, L (Luke)				Opponent Miller, L (Luke)
3	1	Tournament RMS Rapid Chess Open 31 May 2025				Tournament RMS Rapid Chess Open 31 May 2025
		date 2025-05-31	rnd 6	type Rapid	result 1	date 2025-05-31	rnd 6	type Rapid	result 1
		Opponent Venter, L (Luan)				Opponent Venter, L (Luan)

#	Games	Start				End
1	2	Tournament 2024 Tshwane South School District CLOSED Individual Championships				Tournament 2024 Tshwane South School District CLOSED Individual Championships
		date 2024-05-11	rnd 2	type Standard	result 1	date 2024-05-11	rnd 3	type Standard	result 1
		Opponent Fine, J (Jad)				Opponent Bekker, D (Dylan)
2	1	Tournament 2025 Tshwane South School District CLOSED League Championship				Tournament 2025 Tshwane South School District CLOSED League Championship
		date 2025-08-15	rnd 4	type Standard	result 1	date 2025-08-15	rnd 4	type Standard	result 1
		Opponent Miller, L (Luke)				Opponent Miller, L (Luke)

#	Games	Start				End
1	1	Tournament RMS Rapid Chess Open 31 May 2025				Tournament RMS Rapid Chess Open 31 May 2025
		date 2025-05-31	rnd 6	type Rapid	result 1	date 2025-05-31	rnd 6	type Rapid	result 1
		Opponent Venter, L (Luan)				Opponent Venter, L (Luan)
2	1	Tournament RMS Rapid Chess Open 31 May 2025				Tournament RMS Rapid Chess Open 31 May 2025
		date 2025-05-31	rnd 2	type Rapid	result 1	date 2025-05-31	rnd 2	type Rapid	result 1
		Opponent Henning, D (Divan)				Opponent Henning, D (Divan)

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	Henning ,D (Divan)	2	1.5	212.5	0	0	0	2	1.5	212.5	0	0	0
1	Henning ,D (Divan)	2	1200	1412.5	0	0	0	2	1200	1412.5	0	0	0
2	Fleischmann ,P (Pieter-Willem)	2	0	-425	0	0	0	2	0	-425	0	0	0
2	Fleischmann ,P (Pieter-Willem)	2	1218.3	793.3	0	0	0	2	1200	793.3	0	0	0
3	Venter ,L (Luan)	2	1	0	0	0	0	2	1	0	0	0	0
3	Venter ,L (Luan)	2	1280.5	1280.5	0	0	0	2	1350.5	1280.5	0	0	0
4	Brown ,H (Happiness)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Brown ,H (Happiness)	1	1200	775	1	1200	775	0	0	0	0	0	0
5	Van Der Walt ,C (Christoffel)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Van Der Walt ,C (Christoffel)	1	1189.2	764.2	1	1180.2	764.2	0	0	0	0	0	0
6	Pieters ,H (Hanroux)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Pieters ,H (Hanroux)	1	1229.7	804.7	1	1237.6	804.7	0	0	0	0	0	0
7	Fine ,J (Jad)	1	1	425	1	1	425	0	0	0	0	0	0
7	Fine ,J (Jad)	1	1117.4	1542.4	1	1118.3	1542.4	0	0	0	0	0	0
8	Swart ,J (Jevan)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Swart ,J (Jevan)	1	1206.2	781.2	1	1199.9	781.2	0	0	0	0	0	0
9	Van Der Merwe ,M (Morne)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Van Der Merwe ,M (Morne)	1	1133.4	708.4	1	1118.2	708.4	0	0	0	0	0	0
10	Miller ,L (Luke)	1	1	425	1	1	425	0	0	0	0	0	0
10	Miller ,L (Luke)	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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PLAYER PAGE

Personal

Vosser, R (Ryan)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms