Chess South Africa Ratings Database

PLAYER PAGE

Personal

Berry, S (Seth)

Chess SA id

1120158968

FIDE id

Date of birth

2012-03-12 (U14)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-10-18

Personal details last changed

1900-01-01

Junior GPX Games

54.8

Junior GPX Points

1294.9

Item	Main	Standard	Rapid	Blitz
Rating	1475.8	1462.7	1427.8	1200
Raw rating	1475.8	1462.7	1399.2	1200
Weighted rating	1411.6	1370.5	1377.4	1200
Weighted performance	1413.3	1399.4	1427.8	0
Floor	986	962.7	929.3	700
K-factor	32	32	32	36
Min/Max rating change allowed	111.9	114	124.8	165.8
Highest rating	1576.6 2023-07-01	1462.7 2025-07-01	1653.6 2023-07-01	1200 2018-10-01
Highest raw rating	1486 2025-09-01	1462.7 2025-07-01	1429.3 2025-09-01	1200 2024-03-01
Highest weighted rating	1411.6 2025-11-01	1333.1 2025-08-01	1377.4 2025-11-01	1200 2018-10-01
Highest weighted performance	1576.6 2025-07-01	1462.7 2023-09-01	1653.6 2023-07-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	-8.5	0
New rating	1475.8	1462.7	1419.3	1200
Analysis
Rating	1475.8	1462.7	1427.8	1200
Raw rating	1475.8	1462.7	1399.2	1200
Weighted rating	1411.6	1370.5	1377.4
Weighted performance	1413.3	1399.4	1427.8
K-factor	32	32	32	36
Floor	986	962.7	929.3	700
Max/Min rating change allowed	111.9	114	124.8	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	1475.8	1462.7	1399.2	1200
New weighted rating	1420.3	1381.5	1381.8	1200
New weighted performance	1405	1390.7	1419.3	0
Temp new rating	1475.8	1462.7	1419.3	1200
Temp new rating +/-	0	0	-8.5	0
Final new rating +/-	0	0	-8.5	0
New rating	1475.8	1462.7	1419.3	1200
New K-factor	32	32	32	36
New floor	986	962.7	929.3	700

Item	Main	Standard	Rapid
	0	0	0
	62	37	25
	35	24	11
	9	6	3
	0	0	0
	0	0	0
History	106	67	39

Games since
	Main 97	Standard 61		Rapid 36		Blitz 0
Gender	Male
Age group	U14
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	1450		446		232
Male	1224		371		196
U14	200		63		26
U14 Male	154		47		22
Standard
	RSA		Province		Region
Overall	1497		407		219
Male	1255		333		183
U14	219		66		28
U14 Male	167		48		22
Rapid
	RSA		Province		Region
Overall	418		203		101
Male	365		177		95
U14	78		44		22
U14 Male	66		37		20
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	62	35	56.45	54.8	1389	1443.9
Standard	37	20.5	55.41	45.9	1381.4	1427.3
Rapid	25	14.5	58	68	1400.4	1468.4
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	106	65.5	61.79	100.2	1342.3	1442.5
Standard	67	38	56.72	57.1	1341.6	1398.7
Rapid	39	27.5	70.51	174.4	1343.4	1517.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1475.8	1462.7	1399.2	1200
2025-09-30	1486	1462.7	1429.3	1200
2025-09-01	1486	1462.7	1429.3	1200
2025-08-01	1478.7	1462.7	1394.3	1200
2025-07-01	1478.7	1462.7	1394.3	1200
2025-06-01	1421.1	1396.1	1394.3	1200
2025-05-01	1418.4	1389.9	1394.3	1200
2025-04-01	1418.4	1389.9	1394.3	1200
2025-03-01	1393.3	1351.7	1394.3	1200
2025-02-01	1403	1347.2	1394.3	1200
2025-01-01	1433.6	1319.6	1394.3	1200
2024-12-01	1433.6	1319.6	1394.3	1200
2024-11-01	1433.6	1319.6	1394.3	1200
2024-10-01	1343.2	1293.3	1333.5	1200
2024-09-01	1281.9	1207.6	1333.5	1200
2024-08-01	1281.9	1207.6	1333.5	1200
2024-07-01	1233.3	1207.6	1257.2	1200
2024-09-01	1271.2	1246.1	1257.2	1200
2024-05-01	1271.2	1246.1	1257.2	1200
2024-04-01	1271.2	1246.1	1257.2	1200
2024-03-01	1281.4	1255.1	1257.2	1200
2024-02-01	1279.3	1247.9	1257.2	1200
2024-01-01	1279.3	1247.9	1257.2	1200
2023-12-01	1279.3	1247.9	1257.2	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	Curro Hermanus Spring Open 2025 (U13)	2025-10-18	2025-10-18	Rapid	Overberg (WOS)	6	6	5	Yes	Analysis
2	UCT Open Chess Championship 2025 (U14)	2025-10-11	2025-10-11	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
3	2025 Mossel Bay Open (Rapid A)	2025-10-04	2025-10-04	Rapid	Eden (WEG)	7	7	2	Yes	Analysis
4	Curro Chess Open Rapid 2025 (U14)	2025-08-23	2025-08-23	Rapid	Cape Town (WCT)	6	6	4.5	Yes	Analysis
5	Cape Town Chess Junior League 2025 (U14)	2025-05-10	2025-05-31	Standard	Cape Town (WCT)	6	5	4	Yes	Analysis
6	Western Cape Schools Individual Championship 2025 (U13 Boys)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	3	Yes	Analysis
7	CT Metro Schools Individual Closed 2025 (U13 Open)	2025-03-01	2025-03-02	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
8	District South Schools Chess Individual Trials 2025 (U13 Open)	2025-02-01	2025-02-02	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
9	Helderberg Chess Club PS Development Tournament 2025 (U13 Boys)	2025-01-25	2025-01-25	Standard	Cape Town (WCT)	5	5	3.5	Yes	Analysis
10	Cape Town Masters Challenge 2025 (Advanced)	2025-01-06	2025-01-11	Standard	Cape Town (WCT)	9	9	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Curro Hermanus Spring Open 2025 (U13)	2025-10-18	2025-10-18	Rapid	Overberg (WOS)	6	6	5	Yes	Analysis
2	UCT Open Chess Championship 2025 (U14)	2025-10-11	2025-10-11	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
3	2025 Mossel Bay Open (Rapid A)	2025-10-04	2025-10-04	Rapid	Eden (WEG)	7	7	2	Yes	Analysis
4	Curro Chess Open Rapid 2025 (U14)	2025-08-23	2025-08-23	Rapid	Cape Town (WCT)	6	6	4.5	Yes	Analysis
5	Cape Town Chess Junior League 2025 (U14)	2025-05-10	2025-05-31	Standard	Cape Town (WCT)	6	5	4	Yes	Analysis
6	Western Cape Schools Individual Championship 2025 (U13 Boys)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	3	Yes	Analysis
7	CT Metro Schools Individual Closed 2025 (U13 Open)	2025-03-01	2025-03-02	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
8	District South Schools Chess Individual Trials 2025 (U13 Open)	2025-02-01	2025-02-02	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
9	Helderberg Chess Club PS Development Tournament 2025 (U13 Boys)	2025-01-25	2025-01-25	Standard	Cape Town (WCT)	5	5	3.5	Yes	Analysis
10	Cape Town Masters Challenge 2025 (Advanced)	2025-01-06	2025-01-11	Standard	Cape Town (WCT)	9	9	2	Yes	Analysis
11	Chess Elevation Series - October 2024 (Level 2)	2024-10-25	2024-10-26	Standard	Cape Town (WCT)	5	5	4	Yes	Analysis
12	UCT Open Chess Championship 2024 (U14)	2024-10-12	2024-10-13	Rapid	Cape Town (WCT)	6	6	5	Yes	Analysis
13	Western Cape Top Schools Championship 2024 (U13 Mixed)	2024-08-30	2024-09-01	Standard	Eden (WEG)	6	6	4.5	Yes	Analysis
14	Metro South Top Schools 2024 (U13)	2024-07-27	2024-07-28	Rapid	Cape Town (WCT)	5	5	5	Yes	Analysis
15	Cape Town Chess Federation Closed Chess Championships 2024 (U14)	2024-06-15	2024-06-16	Standard	Cape Town (WCT)	6	5	1	Yes	Analysis
16	Cape Town Metro Schools Chess Closed Individuals 2024 (U13 Boys)	2024-03-02	2024-03-03	Standard	Cape Town (WCT)	6	3	1	Yes	Analysis
17	District South Schools Chess Individual Trials 2024 (U13 Boys)	2024-02-03	2024-02-03	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
18	Western Cape Top Schools 2023 (U11 Mixed)	2023-09-02	2023-09-03	Standard	Cape Winelands (WCW)	6	6	4	Yes	Analysis
19	CT Metro District South Top Schools 2023 (U9+U11 Mixed + U13 Girls)	2023-07-29	2023-07-29	Rapid	Cape Town (WCT)	5	3	3	Yes	Analysis

#	Games	Start				End
1	8	Tournament Metro South Top Schools 2024				Tournament Western Cape Top Schools Championship 2024
		date 2024-07-27	rnd 1	type Rapid	result 1	date 2024-08-30	rnd 3	type Standard	result 0.5
		Opponent Miller, M (Moegamat)				Opponent Ntoni, L (Litha)
2	6	Tournament CT Metro Schools Individual Closed 2025				Tournament Cape Town Chess Junior League 2025
		date 2025-03-02	rnd 4	type Standard	result 1	date 2025-05-10	rnd 3	type Standard	result 1
		Opponent Johnson, Z (Zachary)				Opponent Walters, N (Nicola)
3	6	Tournament UCT Open Chess Championship 2024				Tournament Chess Elevation Series - October 2024
		date 2024-10-12	rnd 2	type Rapid	result 1	date 2024-10-25	rnd 1	type Standard	result 1
		Opponent Reed, J (Jake)				Opponent Mandyeli, O (Olothando)

#	Games	Start				End
1	6	Tournament CT Metro Schools Individual Closed 2025				Tournament Cape Town Chess Junior League 2025
		date 2025-03-02	rnd 4	type Standard	result 1	date 2025-05-10	rnd 3	type Standard	result 1
		Opponent Johnson, Z (Zachary)				Opponent Walters, N (Nicola)
2	3	Tournament District South Schools Chess Individual Trials 2025				Tournament CT Metro Schools Individual Closed 2025
		date 2025-02-02	rnd 6	type Standard	result 1	date 2025-03-01	rnd 2	type Standard	result 0.5
		Opponent Callaghan, H (Hakim)				Opponent Ruiters, C (Cade)
3	3	Tournament Helderberg Chess Club PS Development Tournament 2025				Tournament District South Schools Chess Individual Trials 2025
		date 2025-01-25	rnd 4	type Standard	result 1	date 2025-02-01	rnd 1	type Standard	result 1
		Opponent Van Zyl, F (Frede)				Opponent Madamombe, L (Liam)

#	Games	Start				End
1	10	Tournament UCT Open Chess Championship 2024				Tournament Curro Chess Open Rapid 2025
		date 2024-10-12	rnd 2	type Rapid	result 1	date 2025-08-23	rnd 5	type Rapid	result 1
		Opponent Reed, J (Jake)				Opponent Van Der Westhuizen, M (Mika)
2	8	Tournament CT Metro District South Top Schools 2023				Tournament Metro South Top Schools 2024
		date 2023-07-29	rnd 2	type Rapid	result 1	date 2024-07-28	rnd 5	type Rapid	result 1
		Opponent Jacobs, A (Akifah)				Opponent Bailey, Z (Zack)

No games found.

#	Games	Start				End

#	Games	Start				End
1	7	Tournament Metro South Top Schools 2024				Tournament Western Cape Top Schools Championship 2024
		date 2024-07-27	rnd 1	type Rapid	result 1	date 2024-08-30	rnd 2	type Standard	result 1
		Opponent Miller, M (Moegamat)				Opponent Van Zyl, M (Marco)
2	6	Tournament UCT Open Chess Championship 2024				Tournament Chess Elevation Series - October 2024
		date 2024-10-12	rnd 2	type Rapid	result 1	date 2024-10-25	rnd 1	type Standard	result 1
		Opponent Reed, J (Jake)				Opponent Mandyeli, O (Olothando)
3	3	Tournament Cape Town Chess Junior League 2025				Tournament Cape Town Chess Junior League 2025
		date 2025-05-10	rnd 1	type Standard	result 1	date 2025-05-10	rnd 3	type Standard	result 1
		Opponent Wu, R (Ruei-Ying)				Opponent Walters, N (Nicola)

#	Games	Start				End
1	3	Tournament Cape Town Chess Junior League 2025				Tournament Cape Town Chess Junior League 2025
		date 2025-05-10	rnd 1	type Standard	result 1	date 2025-05-10	rnd 3	type Standard	result 1
		Opponent Wu, R (Ruei-Ying)				Opponent Walters, N (Nicola)
2	3	Tournament Chess Elevation Series - October 2024				Tournament Chess Elevation Series - October 2024
		date 2024-10-26	rnd 3	type Standard	result 1	date 2024-10-26	rnd 5	type Standard	result 1
		Opponent Kamiro, K (Knowledge)				Opponent Bester, D (Dustin)
3	3	Tournament Western Cape Top Schools Championship 2024				Tournament Chess Elevation Series - October 2024
		date 2024-09-01	rnd 5	type Standard	result 1	date 2024-10-25	rnd 1	type Standard	result 1
		Opponent Viljoen, P (Pieter)				Opponent Mandyeli, O (Olothando)

#	Games	Start				End
1	8	Tournament CT Metro District South Top Schools 2023				Tournament Metro South Top Schools 2024
		date 2023-07-29	rnd 2	type Rapid	result 1	date 2024-07-28	rnd 5	type Rapid	result 1
		Opponent Jacobs, A (Akifah)				Opponent Bailey, Z (Zack)
2	7	Tournament UCT Open Chess Championship 2024				Tournament Curro Chess Open Rapid 2025
		date 2024-10-12	rnd 2	type Rapid	result 1	date 2025-08-23	rnd 2	type Rapid	result 1
		Opponent Reed, J (Jake)				Opponent Fouche, B (Ben)
3	2	Tournament Curro Chess Open Rapid 2025				Tournament Curro Chess Open Rapid 2025
		date 2025-08-23	rnd 4	type Rapid	result 1	date 2025-08-23	rnd 5	type Rapid	result 1
		Opponent Porter, J (Joel)				Opponent Van Der Westhuizen, M (Mika)

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	Waldeck ,A (Aaron)	3	1.5	0	0	0	0	3	1.5	0	0	0	0
1	Waldeck ,A (Aaron)	3	1355.1	1355.1	0	0	0	3	1395	1355.1	0	0	0
2	Ruiters ,C (Cade)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
2	Ruiters ,C (Cade)	2	1551.7	1339.2	2	1534.6	1339.2	0	0	0	0	0	0
3	Van Zyl ,F (Frede)	2	2	425	2	2	425	0	0	0	0	0	0
3	Van Zyl ,F (Frede)	2	1305.9	1730.9	2	1271.5	1730.9	0	0	0	0	0	0
4	Bessesen ,J (Joakim)	2	1	0	0	0	0	2	1	0	0	0	0
4	Bessesen ,J (Joakim)	2	1435.8	1435.8	0	0	0	2	1444.4	1435.8	0	0	0
5	Willemse ,Z (Zeke)	1	1	425	1	1	425	0	0	0	0	0	0
5	Willemse ,Z (Zeke)	1	1317.7	1742.7	1	1255.1	1742.7	0	0	0	0	0	0
6	Kamiro ,K (Knowledge)	1	1	425	1	1	425	0	0	0	0	0	0
6	Kamiro ,K (Knowledge)	1	1112.6	1537.6	1	1139.2	1537.6	0	0	0	0	0	0
7	Herman ,V (Victor)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Herman ,V (Victor)	1	1455.4	1030.4	1	1417.3	1030.4	0	0	0	0	0	0
8	Muller ,H (Helgard)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Muller ,H (Helgard)	1	1488.6	1063.6	1	1461.4	1063.6	0	0	0	0	0	0
9	Nogaga ,O (Owethu)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Nogaga ,O (Owethu)	1	1337.6	912.6	1	1213.7	912.6	0	0	0	0	0	0
10	Thomson ,A (Alexander)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Thomson ,A (Alexander)	1	1285.1	860.1	1	1218.4	860.1	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Berry, S (Seth)

Ratings

Game statistics

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms