Chess South Africa Ratings Database

PLAYER PAGE

Personal

Verster, J (Juan Marais)

Chess SA id

1150151115

FIDE id

Date of birth

2015-04-22 (U12)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-08-23

Personal details last changed

1900-01-01

Junior GPX Games

39.2

Junior GPX Points

1323

Item	Main	Standard	Rapid	Blitz
Rating	1399.6	1390.6	1203.2	1178.3
Raw rating	1399.6	1390.6	1203.2	1178.3
Weighted rating	1377.3	1372.6	1203.2	1175.3
Weighted performance	1312.3	1314.8	0	0
Floor	973.6	951.9	722.3	700
K-factor	32	32	36	36
Min/Max rating change allowed	124.8	126.4	165.1	171
Highest rating	1473.6 2025-04-01	1460.2 2024-06-01	1309.9 2024-11-01	1200 2018-10-01
Highest raw rating	1473.6 2025-04-01	1451.9 2025-05-05	1222.3 2024-11-01	1200 2024-02-01
Highest weighted rating	1372.7 2025-09-01	1368.8 2025-09-01	1203 2025-08-01	1200 2018-10-01
Highest weighted performance	1473.6 2025-04-01	1460.2 2024-06-01	1309.9 2024-11-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0.1	0
New rating	1399.6	1390.6	1203.3	1178.3
Analysis
Rating	1399.6	1390.6	1203.2	1178.3
Raw rating	1399.6	1390.6	1203.2	1178.3
Weighted rating	1377.3	1372.6	1203.2
Weighted performance	1312.3	1314.8	0
K-factor	32	32	36	36
Floor	973.6	951.9	722.3	700
Max/Min rating change allowed	124.8	126.4	165.1	171
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	1399.6	1390.6	1203.2	1178.3
New weighted rating	1381.4	1376	1203.3	1175.2
New weighted performance	1311.8	1314.4	0	0
Temp new rating	1399.6	1390.6	1203.3	1178.3
Temp new rating +/-	0	0	0.1	0
Final new rating +/-	0	0	0.1	0
New rating	1399.6	1390.6	1203.3	1178.3
New K-factor	32	32	36	36
New floor	973.6	951.9	722.3	700

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	35	35	0	0
	63	43	10	10
	24	24	0	0
	0	0	0	0
	0	0	0	0
History	122	102	10	10

Games since
	Main 102	Standard 82		Rapid 10		Blitz 10
Gender	Male
Age group	U12
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	2167		664		173
Male	1784		518		138
U12	288		93		26
U12 Male	209		64		17
Standard
	RSA		Province		Region
Overall	2148		583		175
Male	1757		449		134
U12	282		80		30
U12 Male	206		56		20
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	514		185		77
Male	455		166		71
U12	30		9		5
U12 Male	23		7		5


	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	35	21	60	85	1338.9	1423.9
Standard	35	21	60	85	1338.9	1423.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	122	69	56.56	55.7	1296.5	1352.3
Standard	102	61	59.8	83.3	1281.1	1364.4
Rapid	10	5	50	0	1371.9	1371.9
Blitz	10	3	30	-170	1378.3	1208.3

Date	Main	Standard	Rapid	Blitz
2025-09-30	1399.6	1390.6	1203.2	1178.3
2025-09-01	1399.6	1390.6	1203.2	1178.3
2025-08-01	1413.8	1403	1203.2	1178.3
2025-07-01	1413.8	1403	1203.2	1178.3
2025-06-01	1413.8	1403	1203.2	1178.3
2025-05-01	1452.3	1451.9	1203.2	1178.3
2025-04-01	1473.6	1448.8	1203.2	1178.3
2025-03-01	1356.8	1358.8	1203.2	1178.3
2025-02-01	1332.3	1328	1203.2	1177.3
2025-01-01	1332.3	1328	1203.2	1153.6
2024-12-01	1332.3	1328	1203.2	1153.6
2024-11-01	1335.4	1328	1222.3	1153.6
2024-10-01	1326.8	1328	1200	1153.6
2024-09-01	1326.8	1328	1200	1153.6
2024-08-01	1343.5	1347.8	1200	1153.6
2024-07-01	1450.1	1445.1	1200	1200
2024-06-01	1364.6	1373.2	1200	1200
2024-08-01	1359.2	1381.1	1200	1200
2024-04-01	1281.5	1291.1	1200	1200
2024-03-01	1247.4	1251.5	1200	1200
2024-02-01	1246.2	1253.7	1200	1200
2024-01-01	1246.2	1253.7	1200	1200
2023-12-01	1246.2	1253.7	1200	1200
2023-11-01	1264.4	1277.1	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	2025 Eden Open & Women's Tournament (U10)	2025-08-23	2025-08-23	Standard	Eden (WEG)	5	5	2	Yes	Analysis
2	Western Cape Schools Individual Championship 2025 (U11 Boys)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	2	Yes	Analysis
3	Eden Chess Trials 2 2025 (U12)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	9	5	Yes	Analysis
4	Eden Schools Chess Trials 1 2025 (U11 Boys)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	4	Yes	Analysis
5	Oudussa Trials 2025 (U11 Boys)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	4	Yes	Analysis
6	Oudussa Trials 2 2025 (U11 Boys)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	5	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Eden Open & Women's Tournament (U10)	2025-08-23	2025-08-23	Standard	Eden (WEG)	5	5	2	Yes	Analysis
2	Western Cape Schools Individual Championship 2025 (U11 Boys)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	2	Yes	Analysis
3	Eden Chess Trials 2 2025 (U12)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	9	5	Yes	Analysis
4	Eden Schools Chess Trials 1 2025 (U11 Boys)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	4	Yes	Analysis
5	Oudussa Trials 2025 (U11 Boys)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	4	Yes	Analysis
6	Oudussa Trials 2 2025 (U11 Boys)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	5	4	Yes	Analysis
7	Eden Gambit Chess Tournament 2024 (C)	2024-11-02	2024-11-02	Rapid	Eden (WEG)	5	5	2	Yes	Analysis
8	George Suid Senior Skaaktoernooi 2024	2024-10-26	2024-10-26	Rapid	Eden (WEG)	5	5	3	Yes	Analysis
9	Eden Top Schools 2024 (U11 Open)	2024-08-17	2024-08-17	Standard	Eden (WEG)	5	5	2	Yes	Analysis
10	South African Open Chess Championship 2024 (C)	2024-07-04	2024-07-07	Standard	Ethekwini (KED)	7	7	3	Yes	Analysis
11	South African Open Chess Championship 2024 (Blitz)	2024-07-04	2024-07-04	Blitz	Ethekwini (KED)	11	10	3	Yes	Analysis
12	Eden Open 2024 (D)	2024-06-22	2024-06-22	Standard	Eden (WEG)	5	5	4	Yes	Analysis
13	Western Cape PS Individuals Championship 2024 (U9 Boys)	2024-05-04	2024-05-05	Standard	West Coast (WCU)	6	6	4	Yes	Analysis
14	Eden Chess Trials 2 2024 (U10)	2024-04-13	2024-04-20	Standard	Eden (WEG)	10	10	7	Yes	Analysis
15	Eden School Chess Trials 1 2024 (U9 Boys)	2024-03-09	2024-03-09	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis
16	OUDUSSA Trials 2 2024 (U7+U9 Boys+Girls)	2024-02-17	2024-02-17	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis
17	Eden Open 2023 (C)	2023-12-02	2023-12-02	Standard	Eden (WEG)	5	4	1	Yes	Analysis
18	Eden Trials 2+3 2023 (U10)	2023-04-15	2023-05-13	Standard	Eden (WEG)	10	10	6	Yes	Analysis
19	Eden Trails 1 2023 (U9 Boys)	2023-03-11	2023-03-11	Standard	Eden (WEG)	5	5	3	Yes	Analysis
20	Oudussa Proewe 1 2023 (U7+U9 Boys)	2023-02-11	2023-02-11	Standard	Eden (WEG)	5	5	3	Yes	Analysis

#	Games	Start				End
1	6	Tournament Western Cape PS Individuals Championship 2024				Tournament Eden Open 2024
		date 2024-05-04	rnd 4	type Standard	result 1	date 2024-06-22	rnd 3	type Standard	result 1
		Opponent Chetty, D (Dee)				Opponent Rens, D (Deauwin)
2	6	Tournament Eden School Chess Trials 1 2024				Tournament Eden Chess Trials 2 2024
		date 2024-03-09	rnd 3	type Standard	result 1	date 2024-04-13	rnd 3	type Standard	result 0.5
		Opponent Opperman, C (Caden)				Opponent Pfaff, J (Joel)
3	4	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-03-15	rnd 5	type Standard	result 1	date 2025-04-12	rnd 8	type Standard	result 1
		Opponent Titus, R (Rumark)				Opponent Boamah, J (Jack)

#	Games	Start				End
1	6	Tournament Western Cape PS Individuals Championship 2024				Tournament Eden Open 2024
		date 2024-05-04	rnd 4	type Standard	result 1	date 2024-06-22	rnd 3	type Standard	result 1
		Opponent Chetty, D (Dee)				Opponent Rens, D (Deauwin)
2	6	Tournament Eden School Chess Trials 1 2024				Tournament Eden Chess Trials 2 2024
		date 2024-03-09	rnd 3	type Standard	result 1	date 2024-04-13	rnd 3	type Standard	result 0.5
		Opponent Opperman, C (Caden)				Opponent Pfaff, J (Joel)
3	4	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-03-15	rnd 5	type Standard	result 1	date 2025-04-12	rnd 8	type Standard	result 1
		Opponent Titus, R (Rumark)				Opponent Boamah, J (Jack)

#	Games	Start				End
1	2	Tournament Eden Gambit Chess Tournament 2024				Tournament Eden Gambit Chess Tournament 2024
		date 2024-11-02	rnd 3	type Rapid	result 1	date 2024-11-02	rnd 4	type Rapid	result 1
		Opponent Punt, CR (Christiaan)				Opponent De Lange, P (Phoenix)
2	1	Tournament George Suid Senior Skaaktoernooi 2024				Tournament George Suid Senior Skaaktoernooi 2024
		date 2024-10-26	rnd 5	type Rapid	result 1	date 2024-10-26	rnd 5	type Rapid	result 1
		Opponent Jeje, H (Hlonela)				Opponent Jeje, H (Hlonela)
3	1	Tournament George Suid Senior Skaaktoernooi 2024				Tournament George Suid Senior Skaaktoernooi 2024
		date 2024-10-26	rnd 3	type Rapid	result 1	date 2024-10-26	rnd 3	type Rapid	result 1
		Opponent Rui, L (Li)				Opponent Rui, L (Li)

#	Games	Start				End
1	1	Tournament South African Open Chess Championship 2024				Tournament South African Open Chess Championship 2024
		date 2024-07-04	rnd 11	type Blitz	result 1	date 2024-07-04	rnd 11	type Blitz	result 1
		Opponent Mpanza, M (Mawande)				Opponent Mpanza, M (Mawande)
2	1	Tournament South African Open Chess Championship 2024				Tournament South African Open Chess Championship 2024
		date 2024-07-04	rnd 9	type Blitz	result 1	date 2024-07-04	rnd 9	type Blitz	result 1
		Opponent Mathebula, L (Lwandile)				Opponent Mathebula, L (Lwandile)
3	1	Tournament South African Open Chess Championship 2024				Tournament South African Open Chess Championship 2024
		date 2024-07-04	rnd 3	type Blitz	result 1	date 2024-07-04	rnd 3	type Blitz	result 1
		Opponent Madhoo, A (Aadhya)				Opponent Madhoo, A (Aadhya)

#	Games	Start				End
1	6	Tournament Western Cape PS Individuals Championship 2024				Tournament Eden Open 2024
		date 2024-05-04	rnd 4	type Standard	result 1	date 2024-06-22	rnd 3	type Standard	result 1
		Opponent Chetty, D (Dee)				Opponent Rens, D (Deauwin)
2	4	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-03-15	rnd 5	type Standard	result 1	date 2025-04-12	rnd 8	type Standard	result 1
		Opponent Titus, R (Rumark)				Opponent Boamah, J (Jack)
3	4	Tournament Oudussa Trials 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-01	rnd 5	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Plaatjies, A (Ayren)				Opponent Van Der Merwe, O (Oliver)

#	Games	Start				End
1	6	Tournament Western Cape PS Individuals Championship 2024				Tournament Eden Open 2024
		date 2024-05-04	rnd 4	type Standard	result 1	date 2024-06-22	rnd 3	type Standard	result 1
		Opponent Chetty, D (Dee)				Opponent Rens, D (Deauwin)
2	4	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-03-15	rnd 5	type Standard	result 1	date 2025-04-12	rnd 8	type Standard	result 1
		Opponent Titus, R (Rumark)				Opponent Boamah, J (Jack)
3	4	Tournament Oudussa Trials 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-01	rnd 5	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Plaatjies, A (Ayren)				Opponent Van Der Merwe, O (Oliver)

#	Games	Start				End
1	2	Tournament Eden Gambit Chess Tournament 2024				Tournament Eden Gambit Chess Tournament 2024
		date 2024-11-02	rnd 3	type Rapid	result 1	date 2024-11-02	rnd 4	type Rapid	result 1
		Opponent Punt, CR (Christiaan)				Opponent De Lange, P (Phoenix)
2	1	Tournament George Suid Senior Skaaktoernooi 2024				Tournament George Suid Senior Skaaktoernooi 2024
		date 2024-10-26	rnd 5	type Rapid	result 1	date 2024-10-26	rnd 5	type Rapid	result 1
		Opponent Jeje, H (Hlonela)				Opponent Jeje, H (Hlonela)
3	1	Tournament George Suid Senior Skaaktoernooi 2024				Tournament George Suid Senior Skaaktoernooi 2024
		date 2024-10-26	rnd 3	type Rapid	result 1	date 2024-10-26	rnd 3	type Rapid	result 1
		Opponent Rui, L (Li)				Opponent Rui, L (Li)

#	Games	Start				End
1	1	Tournament South African Open Chess Championship 2024				Tournament South African Open Chess Championship 2024
		date 2024-07-04	rnd 11	type Blitz	result 1	date 2024-07-04	rnd 11	type Blitz	result 1
		Opponent Mpanza, M (Mawande)				Opponent Mpanza, M (Mawande)
2	1	Tournament South African Open Chess Championship 2024				Tournament South African Open Chess Championship 2024
		date 2024-07-04	rnd 9	type Blitz	result 1	date 2024-07-04	rnd 9	type Blitz	result 1
		Opponent Mathebula, L (Lwandile)				Opponent Mathebula, L (Lwandile)
3	1	Tournament South African Open Chess Championship 2024				Tournament South African Open Chess Championship 2024
		date 2024-07-04	rnd 3	type Blitz	result 1	date 2024-07-04	rnd 3	type Blitz	result 1
		Opponent Madhoo, A (Aadhya)				Opponent Madhoo, A (Aadhya)

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	Fritz ,U (Ulysse)	4	1	-212.5	4	1	-212.5	0	0	0	0	0	0
1	Fritz ,U (Ulysse)	4	1513.3	1300.8	4	1518.1	1300.8	0	0	0	0	0	0
2	Rabie ,M (Mizelle)	3	2.5	283.3	3	2.5	283.3	0	0	0	0	0	0
2	Rabie ,M (Mizelle)	3	1305.8	1589.1	3	1310.6	1589.1	0	0	0	0	0	0
3	Van Der Merwe ,O (Oliver)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
3	Van Der Merwe ,O (Oliver)	3	1471	1329.3	3	1485.6	1329.3	0	0	0	0	0	0
4	Mpuru ,J (JK)	3	0	-425	3	0	-425	0	0	0	0	0	0
4	Mpuru ,J (JK)	3	1529.6	1104.6	3	1535.5	1104.6	0	0	0	0	0	0
5	Gelant ,L (Lukandrick)	3	3	425	3	3	425	0	0	0	0	0	0
5	Gelant ,L (Lukandrick)	3	1061	1486	3	1038.5	1486	0	0	0	0	0	0
6	Etsala-Kourou ,J (Josu�)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	Etsala-Kourou ,J (Josu�)	2	1282.9	857.9	2	1239.3	857.9	0	0	0	0	0	0
7	Brewis ,F (Fox)	2	1	0	2	1	0	0	0	0	0	0	0
7	Brewis ,F (Fox)	2	1164.2	1164.2	2	1164.2	1164.2	0	0	0	0	0	0
8	Abrahams ,L (Liam)	2	2	425	2	2	425	0	0	0	0	0	0
8	Abrahams ,L (Liam)	2	1197.6	1622.6	2	1198.1	1622.6	0	0	0	0	0	0
9	Botha ,J (Jaylie)	2	1	0	2	1	0	0	0	0	0	0	0
9	Botha ,J (Jaylie)	2	1287.4	1287.4	2	1298.2	1287.4	0	0	0	0	0	0
10	October ,A (Aliyah)	2	2	425	2	2	425	0	0	0	0	0	0
10	October ,A (Aliyah)	2	1164.8	1589.8	2	1158.8	1589.8	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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Personal

Verster, J (Juan Marais)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms