Chess South Africa Ratings Database

PLAYER PAGE

Personal

Stone, R (Renato)

Chess SA id

1010153916

FIDE id

Date of birth

2001-06-19 (Adult)

Gender

Male

Region

Sarah Baartman (ESB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-05-17

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1372.3	1329.8	1272	1200
Raw rating	1372.3	1329.8	1272	1200
Weighted rating	1363.7	1329.6	1246.8	1200
Weighted performance	1249.4	1227.5	0	0
Floor	922.1	879.4	772	700
K-factor	32	36	36	36
Min/Max rating change allowed	129.7	137.8	149.6	165.8
Highest rating	1422.1 2025-02-01	1379.4 2025-02-01	1272 2025-02-01	1200 2018-10-01
Highest raw rating	1422.1 2025-02-01	1379.4 2025-02-01	1272 2025-02-01	1200 2024-02-01
Highest weighted rating	1350.4 2025-08-01	1320 2025-08-01	1235.3 2025-08-01	1200 2018-10-01
Highest weighted performance	1385.7 2025-04-01	1340.4 2024-05-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	1.8	0	0
New rating	1372.3	1331.6	1272	1200
Analysis
Rating	1372.3	1329.8	1272	1200
Raw rating	1372.3	1329.8	1272	1200
Weighted rating	1363.7	1329.6	1246.8
Weighted performance	1249.4	1227.5	0
K-factor	32	36	36	36
Floor	922.1	879.4	772	700
Max/Min rating change allowed	129.7	137.8	149.6	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	1372.3	1329.8	1272	1200
New weighted rating	1366.8	1331.6	1250.2	1200
New weighted performance	1241.5	1219.8	0	0
Temp new rating	1372.3	1331.6	1272	1200
Temp new rating +/-	0	1.8	0	0
Final new rating +/-	0	1.8	0	0
New rating	1372.3	1331.6	1272	1200
New K-factor	32	36	36	36
New floor	922.1	879.4	772	700

Item	Main	Standard	Rapid
	0	0	0
	31	26	5
	42	42	0
	26	26	0
	0	0	0
	0	0	0
History	99	94	5

Games since
	Main 73	Standard 68		Rapid 5		Blitz 0
Gender	Male
Age group	Adult
Region	Sarah Baartman (ESB)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	2475		305		70
Male	1998		254		58
Adult	551		49		10
Adult Male	505		46		10
Standard
	RSA		Province		Region
Overall	2883		367		88
Male	2297		302		72
Adult	537		51		9
Adult Male	490		48		9
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	31	14	45.16	-41.1	1451.7	1410.6
Standard	26	11	42.31	-65.4	1438	1372.6
Rapid	5	3	60	85	1522.9	1607.9
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	99	50	50.51	4.3	1319.3	1323.6
Standard	94	47	50	0	1308.5	1308.5
Rapid	5	3	60	85	1522.9	1607.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1372.3	1329.8	1272	1200
2025-09-30	1372.3	1329.8	1272	1200
2025-09-01	1372.3	1329.8	1272	1200
2025-08-01	1372.3	1329.8	1272	1200
2025-07-01	1372.3	1329.8	1272	1200
2025-06-01	1372.3	1329.8	1272	1200
2025-05-01	1379.2	1338.2	1272	1200
2025-04-01	1400.6	1360	1272	1200
2025-03-01	1398.1	1353.3	1272	1200
2025-02-01	1422.1	1379.4	1272	1200
2025-01-01	1353.2	1335.7	1200	1200
2024-12-01	1353.2	1335.7	1200	1200
2024-11-01	1353.2	1335.7	1200	1200
2024-10-01	1353.2	1335.7	1200	1200
2024-09-01	1353.2	1335.7	1200	1200
2024-08-01	1353.2	1335.7	1200	1200
2024-07-01	1334.8	1313.4	1200	1200
2024-09-01	1346.9	1326	1200	1200
2024-05-01	1307.1	1280.8	1200	1200
2024-04-01	1281	1257.8	1200	1200
2024-03-01	1236.7	1226.9	1200	1200
2024-02-01	1178	1157.1	1200	1200
2024-01-01	1178	1157.1	1200	1200
2023-12-01	1178	1157.1	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	Fountains Mall SBD Open 2025 (Open)	2025-05-16	2025-05-17	Standard	Sarah Baartman (ESB)	5	1	0	Yes	Analysis
2	SBD Trials J Bay 19 April 2025 (U18-Open)	2025-04-19	2025-04-19	Standard	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
3	Kouga Mayor's Cup Final 2025 (Open)	2025-04-11	2025-04-12	Standard	Sarah Baartman (ESB)	5	4	0.5	Yes	Analysis
4	Kouga Mayor's Cup 2025 (Open)	2025-03-07	2025-03-08	Standard	Sarah Baartman (ESB)	6	6	3	Yes	Analysis
5	SBDCU Fundraiser 2025 (Open)	2025-02-01	2025-02-01	Standard	Sarah Baartman (ESB)	5	5	1.5	Yes	Analysis
6	Back 2 School 2025 (A)	2025-01-11	2025-01-11	Standard	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
7	SBD Activation Tournament 2025 (Open)	2025-01-04	2025-01-04	Rapid	Sarah Baartman (ESB)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Fountains Mall SBD Open 2025 (Open)	2025-05-16	2025-05-17	Standard	Sarah Baartman (ESB)	5	1	0	Yes	Analysis
2	SBD Trials J Bay 19 April 2025 (U18-Open)	2025-04-19	2025-04-19	Standard	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
3	Kouga Mayor's Cup Final 2025 (Open)	2025-04-11	2025-04-12	Standard	Sarah Baartman (ESB)	5	4	0.5	Yes	Analysis
4	Kouga Mayor's Cup 2025 (Open)	2025-03-07	2025-03-08	Standard	Sarah Baartman (ESB)	6	6	3	Yes	Analysis
5	SBDCU Fundraiser 2025 (Open)	2025-02-01	2025-02-01	Standard	Sarah Baartman (ESB)	5	5	1.5	Yes	Analysis
6	Back 2 School 2025 (A)	2025-01-11	2025-01-11	Standard	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
7	SBD Activation Tournament 2025 (Open)	2025-01-04	2025-01-04	Rapid	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
8	SBDCU Closed Trials 2024 (Open)	2024-07-27	2024-07-27	Standard	Sarah Baartman (ESB)	5	5	2.5	Yes	Analysis
9	Aston Bay 2024 (Open)	2024-05-25	2024-05-25	Rapid	Sarah Baartman (ESB)	7	0	0	No	Analysis
10	SBDCU Trial 3 2024 (Open)	2024-06-01	2024-06-01	Standard	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
11	Fountains Mall 2024 (B)	2024-05-17	2024-05-18	Standard	Sarah Baartman (ESB)	6	6	4	Yes	Analysis
12	Kouga Mayor's Cup Final 2024 (Open)	2024-04-12	2024-04-13	Standard	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
13	SBDCU Trial 2 2024 (Open)	2024-03-23	2024-03-23	Standard	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
14	Kouga Mayor's Cup 2024 (Open)	2024-03-08	2024-03-09	Standard	Sarah Baartman (ESB)	6	6	4	Yes	Analysis
15	SBDCU Trial 1 2024 (Open)	2024-02-23	2024-02-24	Standard	Sarah Baartman (ESB)	6	5	3	Yes	Analysis
16	SBDCU Open 2024 (A)	2024-02-09	2024-02-10	Standard	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
17	Eastern Cape Provincial Individual Championship 2023 (Open)	2023-10-05	2023-10-06	Standard	Nelson Mandela Bay (ENM)	7	0	0	No	Analysis
18	SBDCU Closed Trials 2023 (Open)	2023-07-28	2023-07-29	Standard	Sarah Baartman (ESB)	6	4	1.5	Yes	Analysis
19	SBDCU Trial 3 2023 (Open)	2023-06-23	2023-06-24	Standard	Sarah Baartman (ESB)	6	6	2	Yes	Analysis
20	Fountains Mall Open 2023 (A)	2023-05-12	2023-05-13	Standard	Sarah Baartman (ESB)	6	6	2	Yes	Analysis
21	Kouga Mayor's Cup Finals 2023 (Open)	2023-04-21	2023-04-22	Standard	Sarah Baartman (ESB)	6	5	2	Yes	Analysis
22	Kouga Mayor's Cup 2023 (Open)	2023-04-14	2023-04-15	Standard	Sarah Baartman (ESB)	6	5	3	Yes	Analysis

#	Games	Start				End
1	4	Tournament Kouga Mayor's Cup 2024				Tournament Kouga Mayor's Cup 2024
		date 2024-03-09	rnd 2	type Standard	result 1	date 2024-03-09	rnd 5	type Standard	result 1
		Opponent Booysen, T (Tamia)				Opponent Saunders, E (Ethan)
2	3	Tournament Back 2 School 2025				Tournament SBDCU Fundraiser 2025
		date 2025-01-11	rnd 4	type Standard	result 1	date 2025-02-01	rnd 1	type Standard	result 1
		Opponent Marx, B (Bronwyn)				Opponent Stuurman, P (Pedro)
3	3	Tournament SBDCU Trial 3 2024				Tournament SBDCU Trial 3 2024
		date 2024-06-01	rnd 2	type Standard	result 1	date 2024-06-01	rnd 4	type Standard	result 1
		Opponent Roy, C (Caswin)				Opponent Groener, B (Begravian)

#	Games	Start				End
1	4	Tournament Kouga Mayor's Cup 2024				Tournament Kouga Mayor's Cup 2024
		date 2024-03-09	rnd 2	type Standard	result 1	date 2024-03-09	rnd 5	type Standard	result 1
		Opponent Booysen, T (Tamia)				Opponent Saunders, E (Ethan)
2	3	Tournament Back 2 School 2025				Tournament SBDCU Fundraiser 2025
		date 2025-01-11	rnd 4	type Standard	result 1	date 2025-02-01	rnd 1	type Standard	result 1
		Opponent Marx, B (Bronwyn)				Opponent Stuurman, P (Pedro)
3	3	Tournament SBDCU Trial 3 2024				Tournament SBDCU Trial 3 2024
		date 2024-06-01	rnd 2	type Standard	result 1	date 2024-06-01	rnd 4	type Standard	result 1
		Opponent Roy, C (Caswin)				Opponent Groener, B (Begravian)

#	Games	Start				End
1	2	Tournament SBD Activation Tournament 2025				Tournament SBD Activation Tournament 2025
		date 2025-01-04	rnd 2	type Rapid	result 1	date 2025-01-04	rnd 3	type Rapid	result 1
		Opponent Rishworth, J (Justin)				Opponent Sibengile, Z (Zolani)
2	1	Tournament SBD Activation Tournament 2025				Tournament SBD Activation Tournament 2025
		date 2025-01-04	rnd 5	type Rapid	result 1	date 2025-01-04	rnd 5	type Rapid	result 1
		Opponent Booysen, R (Ray-Lanche)				Opponent Booysen, R (Ray-Lanche)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Kouga Mayor's Cup 2024				Tournament Kouga Mayor's Cup 2024
		date 2024-03-09	rnd 2	type Standard	result 1	date 2024-03-09	rnd 5	type Standard	result 1
		Opponent Booysen, T (Tamia)				Opponent Saunders, E (Ethan)
2	3	Tournament Back 2 School 2025				Tournament SBDCU Fundraiser 2025
		date 2025-01-11	rnd 4	type Standard	result 1	date 2025-02-01	rnd 1	type Standard	result 1
		Opponent Marx, B (Bronwyn)				Opponent Stuurman, P (Pedro)
3	3	Tournament SBDCU Trial 3 2024				Tournament SBDCU Trial 3 2024
		date 2024-06-01	rnd 2	type Standard	result 1	date 2024-06-01	rnd 4	type Standard	result 1
		Opponent Roy, C (Caswin)				Opponent Groener, B (Begravian)

#	Games	Start				End
1	4	Tournament Kouga Mayor's Cup 2024				Tournament Kouga Mayor's Cup 2024
		date 2024-03-09	rnd 2	type Standard	result 1	date 2024-03-09	rnd 5	type Standard	result 1
		Opponent Booysen, T (Tamia)				Opponent Saunders, E (Ethan)
2	3	Tournament Back 2 School 2025				Tournament SBDCU Fundraiser 2025
		date 2025-01-11	rnd 4	type Standard	result 1	date 2025-02-01	rnd 1	type Standard	result 1
		Opponent Marx, B (Bronwyn)				Opponent Stuurman, P (Pedro)
3	3	Tournament SBDCU Trial 3 2024				Tournament SBDCU Trial 3 2024
		date 2024-06-01	rnd 2	type Standard	result 1	date 2024-06-01	rnd 4	type Standard	result 1
		Opponent Roy, C (Caswin)				Opponent Groener, B (Begravian)

#	Games	Start				End
1	2	Tournament SBD Activation Tournament 2025				Tournament SBD Activation Tournament 2025
		date 2025-01-04	rnd 2	type Rapid	result 1	date 2025-01-04	rnd 3	type Rapid	result 1
		Opponent Rishworth, J (Justin)				Opponent Sibengile, Z (Zolani)
2	1	Tournament SBD Activation Tournament 2025				Tournament SBD Activation Tournament 2025
		date 2025-01-04	rnd 5	type Rapid	result 1	date 2025-01-04	rnd 5	type Rapid	result 1
		Opponent Booysen, R (Ray-Lanche)				Opponent Booysen, R (Ray-Lanche)

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	Sibengile ,Z (Zolani)	5	2	-85	4	1	-212.5	1	1	425	0	0	0
1	Sibengile ,Z (Zolani)	5	1375.8	1290.8	4	1348.5	1163.3	1	1320.1	1800.8	0	0	0
2	Groener ,B (Begravian)	3	2.5	283.3	3	2.5	283.3	0	0	0	0	0	0
2	Groener ,B (Begravian)	3	1329.8	1613.1	3	1270.9	1613.1	0	0	0	0	0	0
3	Krieger ,CR (Charles Richard)	3	0	-425	3	0	-425	0	0	0	0	0	0
3	Krieger ,CR (Charles Richard)	3	1443	1018	3	1418.5	1018	0	0	0	0	0	0
4	Saunders ,E (Ethan)	3	3	425	3	3	425	0	0	0	0	0	0
4	Saunders ,E (Ethan)	3	1223.3	1648.3	3	1174.1	1648.3	0	0	0	0	0	0
5	Claasen ,C (Cleavan)	3	0	-425	3	0	-425	0	0	0	0	0	0
5	Claasen ,C (Cleavan)	3	1245.9	820.9	3	1230.6	820.9	0	0	0	0	0	0
6	Munemo ,T (Tadiwa)	3	0	-425	3	0	-425	0	0	0	0	0	0
6	Munemo ,T (Tadiwa)	3	1504.7	1079.7	3	1483.6	1079.7	0	0	0	0	0	0
7	Swartbooi ,J (Jarno)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
7	Swartbooi ,J (Jarno)	3	1221.6	1363.2	3	1176	1363.2	0	0	0	0	0	0
8	Booysen ,T (Tamia)	3	3	425	3	3	425	0	0	0	0	0	0
8	Booysen ,T (Tamia)	3	1035.4	1460.4	3	1001.5	1460.4	0	0	0	0	0	0
9	Janse Van Rensburg ,S (San-Marie)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
9	Janse Van Rensburg ,S (San-Marie)	3	1293	1434.7	3	1226	1434.7	0	0	0	0	0	0
10	Booysen ,R (Ray-Lanche)	3	1	-141.7	2	0	-425	1	1	425	0	0	0
10	Booysen ,R (Ray-Lanche)	3	1558.4	1416.8	2	1538.9	1133.4	1	1450.7	1983.4	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Stone, R (Renato)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms