Chess South Africa Ratings Database

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Personal

Viviers, D (Divan)

Chess SA id

1130146220

FIDE id

Date of birth

2013-08-05 (U14)

Gender

Male

Region

Sarah Baartman (ESB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1421.4	1415.7	1279	1200
Raw rating	1421.4	1415.7	1279	1200
Weighted rating	1345.7	1324	1243.8	1200
Weighted performance	1308	1308	1158.6	0
Floor	935.5	936.6	779	700
K-factor	32	32	36	36
Min/Max rating change allowed	121	121.9	148.2	165.8
Highest rating	1435.5 2025-06-01	1436.6 2025-06-01	1279 2025-09-30	1200 2018-10-01
Highest raw rating	1435.5 2025-06-01	1436.6 2025-06-01	1279 2025-09-30	1200 2024-02-01
Highest weighted rating	1435.5 2018-10-01	1436.6 2018-10-01	1232.3 2025-09-30	1200 2018-10-01
Highest weighted performance	1435.5 2025-06-01	1436.6 2020-01-01	1211 2024-05-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	25.8	29.8	0	0
New rating	1447.2	1445.5	1279	1200
Analysis
Rating	1421.4	1415.7	1279	1200
Raw rating	1421.4	1415.7	1279	1200
Weighted rating	1345.7	1324	1243.8
Weighted performance	1308	1308	1158.6
K-factor	32	32	36	36
Floor	935.5	936.6	779	700
Max/Min rating change allowed	121	121.9	148.2	165.8
Games	5	5	0	0
Score	3.5	3.5	0	0
Expected score	2.69	2.57	0	0
Score-Expected	0.81	0.93	0	0
Temp raw +/-	25.8	29.8	0	0
Final raw +/-	25.8	29.8	0	0
New raw rating	1447.2	1445.5	1279	1200
New weighted rating	1358.4	1339.2	1247.2	1200
New weighted performance	1391.2	1395.1	1150.1	0
Temp new rating	1447.2	1445.5	1279	1200
Temp new rating +/-	25.8	29.8	0	0
Final new rating +/-	25.8	29.8	0	0
New rating	1447.2	1445.5	1279	1200
New K-factor	32	32	36	36
New floor	947.2	945.5	779	700

Item	Main	Standard	Rapid
	0	0	0
	67	52	15
	25	6	19
	38	13	25
	6	0	6
	0	0	0
History	136	71	65

Games since
	Main 92	Standard 58		Rapid 34		Blitz 0
Gender	Male
Age group	U14
Region	Sarah Baartman (ESB)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	1969		240		55
Male	1624		205		46
U14	306		46		13
U14 Male	229		37		10
Standard
	RSA		Province		Region
Overall	1923		246		57
Male	1572		207		47
U14	309		50		15
U14 Male	226		38		11
Rapid
	RSA		Province		Region
Overall	1199		94		34
Male	966		78		25
U14	269		19		11
U14 Male	197		15		7
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	67	37.5	55.97	50.7	1356.5	1407.2
Standard	52	29.5	56.73	57.2	1349.1	1406.3
Rapid	15	8	53.33	28.3	1381.9	1410.3
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	136	69	50.74	6.2	1282.2	1288.5
Standard	71	35.5	50	0	1313.9	1313.9
Rapid	65	33.5	51.54	13.1	1247.6	1260.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1421.4	1415.7	1279	1200
2025-11-30	1421.4	1415.7	1279	1200
2025-11-01	1421.4	1415.7	1279	1200
2025-09-30	1421.4	1415.7	1279	1200
2025-09-01	1411.2	1415.7	1227.9	1200
2025-08-01	1411.2	1415.7	1227.9	1200
2025-07-01	1426.7	1436.6	1227.7	1200
2025-06-01	1435.5	1436.6	1229.5	1200
2025-05-01	1394	1391.2	1229.5	1200
2025-04-01	1406.2	1406.2	1229.5	1200
2025-03-01	1279.8	1252.7	1229.5	1200
2025-02-01	1213.7	1156.4	1229.5	1200
2025-01-01	1205.4	1133.2	1229.5	1200
2024-12-01	1205.4	1133.2	1229.5	1200
2024-11-01	1205.4	1133.2	1229.5	1200
2024-10-01	1205.4	1133.2	1229.5	1200
2024-09-01	1205.4	1133.2	1229.5	1200
2024-11-01	1205.4	1133.2	1229.5	1200
2024-07-01	1205.4	1133.2	1229.5	1200
2024-06-01	1198.5	1133.2	1231.7	1200
2024-05-01	1169.3	1133.2	1217.7	1200
2024-04-01	1165.7	1133.2	1220.9	1200
2024-03-01	1165.7	1133.2	1220.9	1200
2024-02-01	1144.2	1092.4	1220.9	1200

Comming soon.

Tournaments

History

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	SBDCA Trial 1 2026 (U14)	2026-01-17	2026-01-17	Standard	Sarah Baartman (ESB)	5	5	3.5	Yes	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	SBDCA Trial 1 2026 (U14)	2026-01-17	2026-01-17	Standard	Sarah Baartman (ESB)	5	5	3.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	SBDCA Trial 1 2026 (U14)	2026-01-17	2026-01-17	Standard	Sarah Baartman (ESB)	5	5	3.5	Yes	Analysis
2	SBDCA Beginners Tournament 2025 (Grade 5-7)	2025-09-27	2025-09-27	Rapid	Sarah Baartman (ESB)	6	6	4	Yes	Analysis
3	Eastern Cape Inter-Regional Individual Chess Championship 2025 (U14 Open)	2025-07-11	2025-07-12	Standard	Amathole (EAL)	6	6	3	Yes	Analysis
4	Holiday Fever 2025 (B)	2025-06-21	2025-06-21	Rapid	Sarah Baartman (ESB)	11	9	4	Yes	Analysis
5	Fountains Mall SBD Open 2025 (C)	2025-05-17	2025-05-17	Standard	Sarah Baartman (ESB)	6	6	4	Yes	Analysis
6	SBDCA Closed 2025 (U14 Boys)	2025-05-10	2025-05-10	Standard	Sarah Baartman (ESB)	6	6	4	Yes	Analysis
7	SBD Trials J Bay 19 April 2025 (U14 Boys)	2025-04-19	2025-04-19	Standard	Sarah Baartman (ESB)	6	6	3	Yes	Analysis
8	Kouga Mayor's Cup Final 2025 (U13)	2025-04-12	2025-04-12	Standard	Sarah Baartman (ESB)	6	6	2	Yes	Analysis
9	Kouga Mayor's Cup 2025 (U13)	2025-03-08	2025-03-08	Standard	Sarah Baartman (ESB)	6	6	5	Yes	Analysis
10	SBDCU Trials 3 2025 (U14)	2025-02-08	2025-02-08	Standard	Sarah Baartman (ESB)	6	6	3	Yes	Analysis
11	SBDCU Fundraiser 2025 (U13)	2025-02-01	2025-02-01	Standard	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
12	2025 SBDCU Trial 2 JBay (U14)	2025-01-25	2025-01-25	Standard	Sarah Baartman (ESB)	5	5	2.5	Yes	Analysis
13	Aston Bay 2024 (Development)	2024-05-25	2024-05-25	Rapid	Sarah Baartman (ESB)	7	7	4	Yes	Analysis
14	Humansdorp CMC Schools Trials 2024 (U11 Boys)	2024-05-10	2024-05-10	Rapid	Sarah Baartman (ESB)	6	6	3.5	Yes	Analysis
15	Stulting Tournament 2024 (Senior)	2024-04-06	2024-04-06	Rapid	Sarah Baartman (ESB)	6	6	3	Yes	Analysis
16	SBDCU Trial 1 2024 (U12)	2024-02-24	2024-02-24	Standard	Sarah Baartman (ESB)	6	6	3	Yes	Analysis
17	Stulting Sportdag 2023 (Junior)	2023-08-25	2023-08-25	Rapid	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
18	SBDCU Trial 3 2023 (U12)	2023-06-24	2023-06-24	Standard	Sarah Baartman (ESB)	6	5	1	Yes	Analysis
19	Paul Sauer Chess Tournament 2023 (Junior)	2023-05-05	2023-05-05	Rapid	Sarah Baartman (ESB)	10	7	1	Yes	Analysis
20	Paul Sauer Chess Tournament 2023 (Junior)	2023-05-05	2023-05-05	Rapid	Sarah Baartman (ESB)	10	7	6.5	Yes	Analysis
21	SBDCU Trial 2 2023 (U12)	2023-04-01	2023-04-01	Standard	Sarah Baartman (ESB)	5	5	2	Yes	Analysis
22	Kouga Mayor's Cup 2023 (U11)	2023-04-15	2023-04-15	Standard	Sarah Baartman (ESB)	6	0	0	No	Analysis
23	SBDCU Trial 1 2023 (U12)	2023-03-05	2023-03-05	Standard	Sarah Baartman (ESB)	5	3	0	Yes	Analysis
24	Stulting Chess Tournament 2023 (Senior)	2023-02-18	2023-02-18	Rapid	Sarah Baartman (ESB)	6	6	1.5	Yes	Analysis
25	Stulting Sports Day 2022 (Juniors)	2022-08-26	2022-08-26	Rapid	Sarah Baartman (ESB)	6	6	3	Yes	Analysis

#	Games	Start				End
1	5	Tournament SBDCA Closed 2025				Tournament Fountains Mall SBD Open 2025
		date 2025-05-10	rnd 4	type Standard	result 1	date 2025-05-17	rnd 2	type Standard	result 1
		Opponent Julies, B (Baraka)				Opponent Kammies, A (Arno)
2	3	Tournament SBDCA Beginners Tournament 2025				Tournament SBDCA Beginners Tournament 2025
		date 2025-09-27	rnd 3	type Rapid	result 1	date 2025-09-27	rnd 5	type Rapid	result 1
		Opponent Prinsloo, E (Emmanuel)				Opponent Tshunungwa, T (Timna Ethan)
3	3	Tournament Holiday Fever 2025				Tournament Eastern Cape Inter-Regional Individual Chess Championship 2025
		date 2025-06-21	rnd 9	type Rapid	result 1	date 2025-07-11	rnd 1	type Standard	result 1
		Opponent Stuurman, C (Caydee)				Opponent Fourie, Z (Zion)

#	Games	Start				End
1	5	Tournament SBDCA Closed 2025				Tournament Fountains Mall SBD Open 2025
		date 2025-05-10	rnd 4	type Standard	result 1	date 2025-05-17	rnd 2	type Standard	result 1
		Opponent Julies, B (Baraka)				Opponent Kammies, A (Arno)
2	3	Tournament Kouga Mayor's Cup 2025				Tournament Kouga Mayor's Cup 2025
		date 2025-03-08	rnd 4	type Standard	result 1	date 2025-03-08	rnd 6	type Standard	result 1
		Opponent Ngqoyiya, S (Somila)				Opponent Fleurs, E (Eli)
3	2	Tournament Fountains Mall SBD Open 2025				Tournament Fountains Mall SBD Open 2025
		date 2025-05-17	rnd 4	type Standard	result 1	date 2025-05-17	rnd 5	type Standard	result 1
		Opponent Groenewald, J (Jesnique)				Opponent Fleurs, E (Eli)

#	Games	Start				End
1	3	Tournament SBDCA Beginners Tournament 2025				Tournament SBDCA Beginners Tournament 2025
		date 2025-09-27	rnd 3	type Rapid	result 1	date 2025-09-27	rnd 5	type Rapid	result 1
		Opponent Prinsloo, E (Emmanuel)				Opponent Tshunungwa, T (Timna Ethan)
2	3	Tournament Holiday Fever 2025				Tournament SBDCA Beginners Tournament 2025
		date 2025-06-21	rnd 9	type Rapid	result 1	date 2025-09-27	rnd 1	type Rapid	result 1
		Opponent Stuurman, C (Caydee)				Opponent Njoko, N (Nicole)
3	3	Tournament Aston Bay 2024				Tournament Aston Bay 2024
		date 2024-05-25	rnd 3	type Rapid	result 1	date 2024-05-25	rnd 5	type Rapid	result 1
		Opponent Prinsloo, D (Dawid)				Opponent Botha, L (Liam)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament SBDCA Closed 2025				Tournament Fountains Mall SBD Open 2025
		date 2025-05-10	rnd 4	type Standard	result 1	date 2025-05-17	rnd 2	type Standard	result 1
		Opponent Julies, B (Baraka)				Opponent Kammies, A (Arno)
2	3	Tournament SBDCA Beginners Tournament 2025				Tournament SBDCA Beginners Tournament 2025
		date 2025-09-27	rnd 3	type Rapid	result 1	date 2025-09-27	rnd 5	type Rapid	result 1
		Opponent Prinsloo, E (Emmanuel)				Opponent Tshunungwa, T (Timna Ethan)
3	3	Tournament Holiday Fever 2025				Tournament Eastern Cape Inter-Regional Individual Chess Championship 2025
		date 2025-06-21	rnd 9	type Rapid	result 1	date 2025-07-11	rnd 1	type Standard	result 1
		Opponent Stuurman, C (Caydee)				Opponent Fourie, Z (Zion)

#	Games	Start				End
1	5	Tournament SBDCA Closed 2025				Tournament Fountains Mall SBD Open 2025
		date 2025-05-10	rnd 4	type Standard	result 1	date 2025-05-17	rnd 2	type Standard	result 1
		Opponent Julies, B (Baraka)				Opponent Kammies, A (Arno)
2	3	Tournament Kouga Mayor's Cup 2025				Tournament Kouga Mayor's Cup 2025
		date 2025-03-08	rnd 4	type Standard	result 1	date 2025-03-08	rnd 6	type Standard	result 1
		Opponent Ngqoyiya, S (Somila)				Opponent Fleurs, E (Eli)
3	2	Tournament Fountains Mall SBD Open 2025				Tournament Fountains Mall SBD Open 2025
		date 2025-05-17	rnd 4	type Standard	result 1	date 2025-05-17	rnd 5	type Standard	result 1
		Opponent Groenewald, J (Jesnique)				Opponent Fleurs, E (Eli)

#	Games	Start				End
1	3	Tournament SBDCA Beginners Tournament 2025				Tournament SBDCA Beginners Tournament 2025
		date 2025-09-27	rnd 3	type Rapid	result 1	date 2025-09-27	rnd 5	type Rapid	result 1
		Opponent Prinsloo, E (Emmanuel)				Opponent Tshunungwa, T (Timna Ethan)
2	3	Tournament Holiday Fever 2025				Tournament SBDCA Beginners Tournament 2025
		date 2025-06-21	rnd 9	type Rapid	result 1	date 2025-09-27	rnd 1	type Rapid	result 1
		Opponent Stuurman, C (Caydee)				Opponent Njoko, N (Nicole)
3	3	Tournament Aston Bay 2024				Tournament Aston Bay 2024
		date 2024-05-25	rnd 3	type Rapid	result 1	date 2024-05-25	rnd 5	type Rapid	result 1
		Opponent Prinsloo, D (Dawid)				Opponent Botha, L (Liam)

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	Kammies ,A (Arno)	7	1	-303.6	5	1	-255	2	0	-425	0	0	0
1	Kammies ,A (Arno)	7	1478.5	1174.9	5	1536	1223.5	2	1174.2	1053.5	0	0	0
2	Ngqoyiya ,S (Somila)	6	2	-141.7	5	2	-85	1	0	-425	0	0	0
2	Ngqoyiya ,S (Somila)	6	1400.5	1258.9	5	1381.7	1315.5	1	1362.7	975.5	0	0	0
3	Fleurs ,E (Eli)	4	2	0	4	2	0	0	0	0	0	0	0
3	Fleurs ,E (Eli)	4	1467	1467	4	1465.8	1467	0	0	0	0	0	0
4	Wang ,C (Chen)	4	0	-425	3	0	-425	1	0	-425	0	0	0
4	Wang ,C (Chen)	4	1367.1	942.1	3	1355.3	942.1	1	1253.7	942.1	0	0	0
5	Stantcheva ,D (Damon)	4	1	-212.5	3	1	-141.7	1	0	-425	0	0	0
5	Stantcheva ,D (Damon)	4	1329	1116.5	3	1280.7	1187.3	1	1226.2	904	0	0	0
6	Stuurman ,C (Caydee)	4	3	212.5	2	1	0	2	2	425	0	0	0
6	Stuurman ,C (Caydee)	4	1327.4	1539.9	2	1319.8	1327.4	2	1359.3	1752.4	0	0	0
7	Ferreira ,R (Rossouw)	4	2.5	106.2	0	0	0	4	2.5	106.2	0	0	0
7	Ferreira ,R (Rossouw)	4	1236	1342.2	0	0	0	4	1198.3	1342.2	0	0	0
8	Viviers ,D (Divan)	4	2	0	0	0	0	4	2	0	0	0	0
8	Viviers ,D (Divan)	4	1127.6	1127.6	0	0	0	4	1142.4	1127.6	0	0	0
9	Prinsloo ,E (Emmanuel)	4	2.5	106.2	0	0	0	4	2.5	106.2	0	0	0
9	Prinsloo ,E (Emmanuel)	4	1207.4	1313.6	0	0	0	4	1192.7	1313.6	0	0	0
10	Maseko ,T (Timothy)	4	2	0	0	0	0	4	2	0	0	0	0
10	Maseko ,T (Timothy)	4	1200	1200	0	0	0	4	1200	1200	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Viviers, D (Divan)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms