Chess South Africa Ratings Database

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Personal

Vivier, J (Jaycee)

Chess SA id

1150192970

FIDE id

Date of birth

2015-09-10 (U12)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-25

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1296.4	1261	1257.2	1200
Raw rating	1296.4	1261	1257.2	1200
Weighted rating	1268.2	1259.4	1209	1200
Weighted performance	1296.2	1208.2	0	0
Floor	820.3	823.3	757.2	700
K-factor	36	36	36	36
Min/Max rating change allowed	144.5	152	152.8	165.8
Highest rating	1334.7 2024-08-01	1337.7 2024-08-01	1257.2 2025-11-30	1200 2024-02-01
Highest raw rating	1320.3 2024-09-01	1323.3 2024-09-01	1257.2 2025-11-30	1200 2024-02-01
Highest weighted rating	1320.3 2024-10-01	1323.3 2024-10-01	1204.6 2025-11-30	1200 2024-02-01
Highest weighted performance	1334.7 2024-08-01	1337.7 2024-08-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1296.4	1261	1257.2	1200
Analysis
Rating	1296.4	1261	1257.2	1200
Raw rating	1296.4	1261	1257.2	1200
Weighted rating	1268.2	1259.4	1209
Weighted performance	1296.2	1208.2	0
K-factor	36	36	36	36
Floor	820.3	823.3	757.2	700
Max/Min rating change allowed	144.5	152	152.8	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	1296.4	1261	1257.2	1200
New weighted rating	1271.6	1260.4	1213.2	1200
New weighted performance	1287.4	1199.8	0	0
Temp new rating	1296.4	1261	1257.2	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1296.4	1261	1257.2	1200
New K-factor	36	36	36	36
New floor	820.3	823.3	757.2	700

Item	Main	Standard	Rapid
	0	0	0
	35	30	5
	27	27	0
	0	0	0
	0	0	0
	0	0	0
History	62	57	5

Games since
	Main 62	Standard 57		Rapid 5		Blitz 0
Gender	Male
Age group	U12
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	3165		1037		291
Male	2478		773		213
U12	481		167		51
U12 Male	343		111		33
Standard
	RSA		Province		Region
Overall	3536		1004		336
Male	2718		715		230
U12	538		154		62
U12 Male	381		99		37
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	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 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	35	18.5	52.86	24.3	1282.9	1307.2
Standard	30	14.5	48.33	-14.2	1279.5	1265.3
Rapid	5	4	80	255	1303.2	1558.2
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	62	32.5	52.42	20.6	1264.7	1285.2
Standard	57	28.5	50	0	1261.3	1261.3
Rapid	5	4	80	255	1303.2	1558.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1296.4	1261	1257.2	1200
2025-11-30	1296.4	1261	1257.2	1200
2025-11-01	1268.3	1261	1200	1200
2025-09-30	1268.3	1261	1200	1200
2025-09-01	1302.4	1308.5	1200	1200
2025-08-01	1259.2	1255.6	1200	1200
2025-07-01	1252.4	1245.5	1200	1200
2025-06-01	1252.4	1245.5	1200	1200
2025-05-01	1252.4	1245.5	1200	1200
2025-04-01	1252.4	1245.5	1200	1200
2025-03-01	1268.6	1263.4	1200	1200
2025-02-01	1278.8	1272.5	1200	1200
2025-01-01	1278.8	1272.5	1200	1200
2024-12-01	1278.8	1272.5	1200	1200
2024-11-01	1278.8	1272.5	1200	1200
2024-10-01	1278.8	1272.5	1200	1200
2024-09-01	1320.3	1323.3	1200	1200
2024-11-01	1221.5	1227	1200	1200
2024-07-01	1199.3	1203.2	1200	1200
2024-06-01	1199.3	1203.2	1200	1200
2024-05-01	1199.3	1203.2	1200	1200
2024-04-01	1199.3	1203.2	1200	1200
2024-03-01	1189.7	1189.2	1200	1200
2024-02-01	1200	1200	1200	1200

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	Laerskool George Suid 2025 (Ope)	2025-10-25	2025-10-25	Rapid	Eden (WEG)	5	5	4	Yes	Analysis
2	Western Cape Schools - Top Schools 2025 (U11)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	6	2	Yes	Analysis
3	Eden Top Schools 2025 (U11 Open)	2025-08-16	2025-08-16	Standard	Eden (WEG)	5	5	4	Yes	Analysis
4	George Top Schools 2025 (U11)	2025-07-26	2025-07-26	Standard	Eden (WEG)	5	4	2	Yes	Analysis
5	George Schools Chess Trials 3 2025 (U11 Boys)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	2	Yes	Analysis
6	George Schools Chess Trials 2 2025 (U11 Boys)	2025-02-15	2025-02-15	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis
7	George Schools Chess Trials 1 2025 (U11 Boys)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	5	2	Yes	Analysis
8	Western Cape Top Schools Championship 2024 (U9 Mixed)	2024-08-30	2024-09-01	Standard	Eden (WEG)	6	5	1.5	Yes	Analysis
9	Eden Top Schools 2024 (U9 Open)	2024-08-17	2024-08-17	Standard	Eden (WEG)	5	4	3.5	Yes	Analysis
10	George Primary Top Schools 2024 (U9)	2024-07-20	2024-07-20	Standard	Eden (WEG)	5	5	3	Yes	Analysis
11	George Schools Trials 3 2024 (U9 Boys)	2024-03-02	2024-03-02	Standard	Eden (WEG)	5	4	2	Yes	Analysis
12	George Schools Trials 2 2024 (U9 Boys)	2024-02-17	2024-02-17	Standard	Eden (WEG)	5	5	2	Yes	Analysis
13	George Schools Trials 1 2024 (U9 Boys)	2024-02-03	2024-02-03	Standard	Eden (WEG)	5	4	2	Yes	Analysis

#	Games	Start				End
1	5	Tournament Eden Top Schools 2024				Tournament Western Cape Top Schools Championship 2024
		date 2024-08-17	rnd 2	type Standard	result 1	date 2024-08-30	rnd 1	type Standard	result 0.5
		Opponent Stoffels, C (Connor)				Opponent Minnaar, M (Maxine)
2	4	Tournament George Schools Trials 3 2024				Tournament George Primary Top Schools 2024
		date 2024-03-02	rnd 5	type Standard	result 1	date 2024-07-20	rnd 3	type Standard	result 1
		Opponent Boltman, J (Jandre)				Opponent Britz, X (Xanthus)
3	3	Tournament Eden Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-08-16	rnd 4	type Standard	result 1	date 2025-09-06	rnd 1	type Standard	result 1
		Opponent Greyling, N (Nielan)				Opponent Bailey, R (Riley)

#	Games	Start				End
1	5	Tournament Eden Top Schools 2024				Tournament Western Cape Top Schools Championship 2024
		date 2024-08-17	rnd 2	type Standard	result 1	date 2024-08-30	rnd 1	type Standard	result 0.5
		Opponent Stoffels, C (Connor)				Opponent Minnaar, M (Maxine)
2	4	Tournament George Schools Trials 3 2024				Tournament George Primary Top Schools 2024
		date 2024-03-02	rnd 5	type Standard	result 1	date 2024-07-20	rnd 3	type Standard	result 1
		Opponent Boltman, J (Jandre)				Opponent Britz, X (Xanthus)
3	3	Tournament Eden Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-08-16	rnd 4	type Standard	result 1	date 2025-09-06	rnd 1	type Standard	result 1
		Opponent Greyling, N (Nielan)				Opponent Bailey, R (Riley)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament George Schools Trials 3 2024				Tournament George Primary Top Schools 2024
		date 2024-03-02	rnd 5	type Standard	result 1	date 2024-07-20	rnd 3	type Standard	result 1
		Opponent Boltman, J (Jandre)				Opponent Britz, X (Xanthus)
2	3	Tournament Eden Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-08-16	rnd 4	type Standard	result 1	date 2025-09-06	rnd 1	type Standard	result 1
		Opponent Greyling, N (Nielan)				Opponent Bailey, R (Riley)
3	3	Tournament George Top Schools 2025				Tournament Eden Top Schools 2025
		date 2025-07-26	rnd 5	type Standard	result 1	date 2025-08-16	rnd 2	type Standard	result 1
		Opponent Van Zyl, Z (Zander)				Opponent Van Aardt, L (Lihan)

#	Games	Start				End
1	4	Tournament George Schools Trials 3 2024				Tournament George Primary Top Schools 2024
		date 2024-03-02	rnd 5	type Standard	result 1	date 2024-07-20	rnd 3	type Standard	result 1
		Opponent Boltman, J (Jandre)				Opponent Britz, X (Xanthus)
2	3	Tournament Eden Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-08-16	rnd 4	type Standard	result 1	date 2025-09-06	rnd 1	type Standard	result 1
		Opponent Greyling, N (Nielan)				Opponent Bailey, R (Riley)
3	3	Tournament George Top Schools 2025				Tournament Eden Top Schools 2025
		date 2025-07-26	rnd 5	type Standard	result 1	date 2025-08-16	rnd 2	type Standard	result 1
		Opponent Van Zyl, Z (Zander)				Opponent Van Aardt, L (Lihan)

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	Stoffels ,C (Connor)	4	1	-212.5	4	1	-212.5	0	0	0	0	0	0
1	Stoffels ,C (Connor)	4	1472.6	1260.1	4	1473.7	1260.1	0	0	0	0	0	0
2	Opperman ,C (Caden)	3	0	-425	3	0	-425	0	0	0	0	0	0
2	Opperman ,C (Caden)	3	1489.8	1064.8	3	1498.8	1064.8	0	0	0	0	0	0
3	Stapelberg ,T (Tyler)	2	2	425	2	2	425	0	0	0	0	0	0
3	Stapelberg ,T (Tyler)	2	1199	1624	2	1198.9	1624	0	0	0	0	0	0
4	Van Den Berg ,T (Teagan)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Van Den Berg ,T (Teagan)	2	1336.1	911.1	2	1352.5	911.1	0	0	0	0	0	0
5	Heasman ,J (JD)	2	1	0	2	1	0	0	0	0	0	0	0
5	Heasman ,J (JD)	2	1136.8	1136.8	2	1135.4	1136.8	0	0	0	0	0	0
6	Venter ,A (Aron)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
6	Venter ,A (Aron)	2	1208.1	1420.6	2	1217.3	1420.6	0	0	0	0	0	0
7	Steenberg ,R (Regardt)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
7	Steenberg ,R (Regardt)	2	1218.4	1005.9	2	1224.7	1005.9	0	0	0	0	0	0
8	Manitsas ,A (Angelus)	2	2	425	2	2	425	0	0	0	0	0	0
8	Manitsas ,A (Angelus)	2	1195.3	1620.3	2	1195.6	1620.3	0	0	0	0	0	0
9	Klopper ,E (Elbe)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Klopper ,E (Elbe)	1	1277.5	852.5	1	1321.3	852.5	0	0	0	0	0	0
10	Van Staden ,P (Pearson)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Van Staden ,P (Pearson)	1	1545.4	1120.4	1	1574.1	1120.4	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Vivier, J (Jaycee)

Ratings

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Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms