Chess South Africa Ratings Database

PLAYER PAGE

Personal

Vergottini, R (Ryan)

Chess SA id

103055612

FIDE id

Date of birth

2003-07-14 (Adult)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-02-22

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1280.1	1265.6	947.8	947.8
Raw rating	1280.1	1265.6	947.8	947.8
Weighted rating	1280.1	1265.6	947.8	947.8
Weighted performance	354.7	352.4	0	0
Floor	861.6	860.4	500	500
K-factor	36	36	40	40
Min/Max rating change allowed	147.9	151	237.5	237.5
Highest rating	1375.9 2018-11-01	1373.7 2018-11-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1361.6 2018-12-01	1360.4 2018-12-01	947.8 2024-02-01	947.8 2024-02-01
Highest weighted rating	1361.6 2019-10-01	1360.4 2019-08-01	947.8 2024-11-01	947.8 2024-11-01
Highest weighted performance	1375.9 2018-11-01	1373.7 2018-11-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1280.1	1265.6	947.8	947.8
Analysis
Rating	1280.1	1265.6	947.8	947.8
Raw rating	1280.1	1265.6	947.8	947.8
Weighted rating	1280.1	1265.6	947.8
Weighted performance	354.7	352.4	0
K-factor	36	36	40	40
Floor	861.6	860.4	500	500
Max/Min rating change allowed	147.9	151	237.5	237.5
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	1280.1	1265.6	947.8	947.8
New weighted rating	1280.1	1265.6	947.8	947.8
New weighted performance	354.3	352	0	0
Temp new rating	1280.1	1265.6	947.8	947.8
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1280.1	1265.6	947.8	947.8
New K-factor	36	36	40	40
New floor	861.6	860.4	500	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	455	410	45

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	176	105	59.66	82.1	1153.5	1235.6
Standard	176	105	59.66	82.1	1153.5	1235.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1280.1	1265.6	947.8	947.8
2025-09-01	1280.1	1265.6	947.8	947.8
2025-08-01	1280.1	1265.6	947.8	947.8
2025-07-01	1280.1	1265.6	947.8	947.8
2025-06-01	1280.1	1265.6	947.8	947.8
2025-05-01	1280.1	1265.6	947.8	947.8
2025-04-01	1280.1	1265.6	947.8	947.8
2025-03-01	1280.1	1265.6	947.8	947.8
2025-02-01	1280.1	1265.6	947.8	947.8
2025-01-01	1280.1	1265.6	947.8	947.8
2024-12-01	1280.1	1265.6	947.8	947.8
2024-11-01	1280.1	1265.6	947.8	947.8
2024-10-01	1280.1	1265.6	947.8	947.8
2024-09-01	1280.1	1265.6	947.8	947.8
2024-08-01	1280.1	1265.6	947.8	947.8
2024-07-01	1280.1	1265.6	947.8	947.8
2024-06-01	1280.1	1265.6	947.8	947.8
2024-08-01	1280.1	1265.6	947.8	947.8
2024-04-01	1280.1	1265.6	947.8	947.8
2024-03-01	1280.1	1265.6	947.8	947.8
2024-02-01	1280.1	1265.6	947.8	947.8
2024-01-01	1280.1	1265.6	947.8	947.8
2023-12-01	1280.1	1265.6	947.8	947.8
2023-11-01	1280.1	1265.6	947.8	947.8

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	Alberton Chess Club Open 2020 (B)	2020-02-22	2020-02-22	Standard	Ekurhuleni (GE)	5	4	1	Yes	Analysis
2	Springs Chess Club Open 2020 (B)	2020-01-25	2020-01-25	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
3	2019 South African Junior Team Championships (U18B)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	5	Yes	Analysis
4	GJM vs GE Inter Region 2019 (U18B)	2019-10-05	2019-10-05	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
5	GE vs GSV Inter Regional 2019 (U18A)	2019-10-26	2019-10-26	Standard	Ekurhuleni (GE)	5	5	1	Yes	Analysis
6	2019 Boksburg Chess Club Round Robin (G)	2019-09-28	2019-09-28	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis
7	Springs Open 2019 (B)	2019-08-31	2019-08-31	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
8	Bishop Bavin Open 2019 (B)	2019-08-17	2019-08-17	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
9	Boksburg Chess Club Open 2019 (B)	2019-07-13	2019-07-13	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
10	2019 Gauteng Secondary Schools Individual Chess Championships (U18 Boys)	2019-05-25	2019-05-25	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
11	Ekurhuleni South School Chess 2019 (U19 Boys)	2019-05-11	2019-05-11	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
12	Primrose Chess Club Open 2019 (B)	2019-04-13	2019-04-13	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
13	Ekurhuleni Trials 2 2019 (U18+U20)	2019-04-27	2019-04-27	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
14	Ekurhuleni Trials 1 2019 (U18+U20)	2019-03-09	2019-03-09	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
15	Springs Chess Club Open 2019 (B)	2019-02-09	2019-02-09	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis
16	Alberton Chess Club Open 2019 (B)	2019-02-23	2019-02-23	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
17	Boksburg Open 2019 (B)	2019-01-19	2019-01-19	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
18	South African Junior Team Championships 2018 (U16D)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	6	4	Yes	Analysis
19	2018 Interregion Sedibeng vs Ekurhuleni (N)	2018-11-03	2018-11-03	Standard	Sedibeng (GSV)	6	5	5	Yes	Analysis
20	Inter Region GE vs JHB Metro 2018 (U16 Swiss)	2018-10-06	2018-10-06	Standard	Ekurhuleni (GE)	5	4	3.5	Yes	Analysis
21	2018 Gauteng League Final (U15)	2018-08-25	2018-08-25	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
22	Ekurhuleni South District Final 2018 (U15)	2018-08-04	2018-08-04	Standard	Ekurhuleni (GE)	5	5	4.5	Yes	Analysis
23	Ekurhuleni Open 2018 (B)	2018-08-18	2018-08-18	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
24	Witfield Open 2018 (B)	2018-07-21	2018-07-21	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis
25	Ekurhuleni Trials 3 2018 (U16)	2018-06-16	2018-06-16	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
26	Dalpark Open 2018 (B)	2018-05-04	2018-05-05	Standard	Ekurhuleni (GE)	6	6	4	Yes	Analysis
27	Ekurhuleni Trials 2 2018 (U16)	2018-04-21	2018-04-21	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
28	Human Rights Day Open 2018 (B)	2018-03-21	2018-03-21	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
29	Ekurhuleni Trials 1 2018 (U16)	2018-03-10	2018-03-10	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
30	Elspark Open 2018 (B)	2018-02-10	2018-02-10	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
31	Brakpan Open 2018 (B)	2018-02-24	2018-02-24	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis
32	Johan Jurgens Open 2018 (B)	2018-01-26	2018-01-27	Standard	Ekurhuleni (GE)	6	6	3	Yes	Analysis
33	South African Junior Wildcard Championships 2017 (U16 Open)	2018-01-09	2018-01-12	Standard	4 Knights (4K)	7	7	2.5	Yes	Analysis
34	South African Junior Team Championships 2017 (U16A)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	6	2	Yes	Analysis

#	Games	Start				End
1	13	Tournament 2018 Gauteng League Final				Tournament 2018 Interregion Sedibeng vs Ekurhuleni
		date 2018-08-25	rnd 2	type Standard	result 1	date 2018-11-03	rnd 5	type Standard	result 1
		Opponent Manamela, T (Thabang)				Opponent Roussouw, D (Dirk)
2	6	Tournament GE vs GSV Inter Regional 2019				Tournament 2019 South African Junior Team Championships
		date 2019-10-26	rnd 5	type Standard	result 1	date 2020-01-06	rnd 5	type Standard	result 0.5
		Opponent Diedericks, C (Christiaan)				Opponent Erasmus, H (Hainroux)
3	6	Tournament Ekurhuleni Trials 2 2019				Tournament Ekurhuleni South School Chess 2019
		date 2019-04-27	rnd 3	type Standard	result 1	date 2019-05-11	rnd 3	type Standard	result 1
		Opponent Cannon, K (Kaylyn Sidney)				Opponent Mpazwe, S (Sambelo)

#	Games	Start				End
1	13	Tournament 2018 Gauteng League Final				Tournament 2018 Interregion Sedibeng vs Ekurhuleni
		date 2018-08-25	rnd 2	type Standard	result 1	date 2018-11-03	rnd 5	type Standard	result 1
		Opponent Manamela, T (Thabang)				Opponent Roussouw, D (Dirk)
2	6	Tournament GE vs GSV Inter Regional 2019				Tournament 2019 South African Junior Team Championships
		date 2019-10-26	rnd 5	type Standard	result 1	date 2020-01-06	rnd 5	type Standard	result 0.5
		Opponent Diedericks, C (Christiaan)				Opponent Erasmus, H (Hainroux)
3	6	Tournament Ekurhuleni Trials 2 2019				Tournament Ekurhuleni South School Chess 2019
		date 2019-04-27	rnd 3	type Standard	result 1	date 2019-05-11	rnd 3	type Standard	result 1
		Opponent Cannon, K (Kaylyn Sidney)				Opponent Mpazwe, S (Sambelo)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament Ekurhuleni Trials 2 2019				Tournament Ekurhuleni South School Chess 2019
		date 2019-04-27	rnd 3	type Standard	result 1	date 2019-05-11	rnd 3	type Standard	result 1
		Opponent Cannon, K (Kaylyn Sidney)				Opponent Mpazwe, S (Sambelo)
2	6	Tournament Inter Region GE vs JHB Metro 2018				Tournament 2018 Interregion Sedibeng vs Ekurhuleni
		date 2018-10-06	rnd 5	type Standard	result 1	date 2018-11-03	rnd 5	type Standard	result 1
		Opponent Fauconier, C (Caley)				Opponent Roussouw, D (Dirk)
3	6	Tournament 2018 Gauteng League Final				Tournament Inter Region GE vs JHB Metro 2018
		date 2018-08-25	rnd 2	type Standard	result 1	date 2018-10-06	rnd 3	type Standard	result 1
		Opponent Manamela, T (Thabang)				Opponent Mazibuko, T (Themba)

#	Games	Start				End
1	6	Tournament Ekurhuleni Trials 2 2019				Tournament Ekurhuleni South School Chess 2019
		date 2019-04-27	rnd 3	type Standard	result 1	date 2019-05-11	rnd 3	type Standard	result 1
		Opponent Cannon, K (Kaylyn Sidney)				Opponent Mpazwe, S (Sambelo)
2	6	Tournament Inter Region GE vs JHB Metro 2018				Tournament 2018 Interregion Sedibeng vs Ekurhuleni
		date 2018-10-06	rnd 5	type Standard	result 1	date 2018-11-03	rnd 5	type Standard	result 1
		Opponent Fauconier, C (Caley)				Opponent Roussouw, D (Dirk)
3	6	Tournament 2018 Gauteng League Final				Tournament Inter Region GE vs JHB Metro 2018
		date 2018-08-25	rnd 2	type Standard	result 1	date 2018-10-06	rnd 3	type Standard	result 1
		Opponent Manamela, T (Thabang)				Opponent Mazibuko, T (Themba)

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	Schroeder ,D (Daniel)	3	0.5	-283.3	3	0.5	-283.3	0	0	0	0	0	0
1	Schroeder ,D (Daniel)	3	1228.9	945.5	3	1233.4	945.5	0	0	0	0	0	0
2	Davis ,DJ (Damiand Julian)	3	2.5	283.3	3	2.5	283.3	0	0	0	0	0	0
2	Davis ,DJ (Damiand Julian)	3	991.2	1274.5	3	998.1	1274.5	0	0	0	0	0	0
3	Mcluckie ,A (Aiden Kenneth)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
3	Mcluckie ,A (Aiden Kenneth)	3	1087.9	1229.6	3	1080.2	1229.6	0	0	0	0	0	0
4	Jones ,E (Edward)	3	1.5	0	3	1.5	0	0	0	0	0	0	0
4	Jones ,E (Edward)	3	1283.6	1283.6	3	1268.5	1283.6	0	0	0	0	0	0
5	Mistry ,D (Devak)	3	2.5	283.3	3	2.5	283.3	0	0	0	0	0	0
5	Mistry ,D (Devak)	3	1028.8	1312.1	3	1032.2	1312.1	0	0	0	0	0	0
6	Hansrajh ,J (Jitrakorn)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
6	Hansrajh ,J (Jitrakorn)	3	1111.6	1253.2	3	1106	1253.2	0	0	0	0	0	0
7	Olivier ,N (Nico)	2	2	425	2	2	425	0	0	0	0	0	0
7	Olivier ,N (Nico)	2	957.4	1382.4	2	964.7	1382.4	0	0	0	0	0	0
8	Evans ,R (Robyn)	2	1	0	2	1	0	0	0	0	0	0	0
8	Evans ,R (Robyn)	2	1022.5	1022.5	2	999	1022.5	0	0	0	0	0	0
9	Khumalo ,N (Nkosinhle)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
9	Khumalo ,N (Nkosinhle)	2	1218.4	1430.9	2	1196.8	1430.9	0	0	0	0	0	0
10	Vorster ,T (Tyrone)	2	0	-425	2	0	-425	0	0	0	0	0	0
10	Vorster ,T (Tyrone)	2	1283.4	858.4	2	1290.2	858.4	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

Vergottini, R (Ryan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms