Chess South Africa Ratings Database

PLAYER PAGE

Personal

Olivier, JG (Jacobus George)

Chess SA id

1090135143

FIDE id

Date of birth

2009-07-06 (U18)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-06-11

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1191.9	1190.7	1200	986.9
Raw rating	1191.9	1190.7	1200	986.9
Weighted rating	1191.5	1190.4	1200	985.8
Weighted performance	693	775.9	0	0
Floor	843.9	845.1	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	167.7	168	165.8	224.7
Highest rating	1358.8 2023-03-01	1355 2023-03-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1343.9 2023-04-01	1345.1 2023-04-01	1200 2024-02-01	1200 2020-01-01
Highest weighted rating	1343.9 2023-05-01	1345.1 2023-04-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1358.8 2023-03-01	1355 2023-03-01	1200 2024-02-01	1200 2020-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1191.9	1190.7	1200	986.9
Analysis
Rating	1191.9	1190.7	1200	986.9
Raw rating	1191.9	1190.7	1200	986.9
Weighted rating	1191.5	1190.4	1200
Weighted performance	693	775.9	0
K-factor	36	36	36	36
Floor	843.9	845.1	700	700
Max/Min rating change allowed	167.7	168	165.8	224.7
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	1191.9	1190.7	1200	986.9
New weighted rating	1191.5	1190.4	1200	985.9
New weighted performance	692.7	775.5	0	0
Temp new rating	1191.9	1190.7	1200	986.9
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1191.9	1190.7	1200	986.9
New K-factor	36	36	36	36
New floor	843.9	845.1	700	700

Item	Main	Standard	Blitz
	0	0	0
	0	0	0
	0	0	0
	41	25	16
	10	10	0
	5	5	0
History	56	40	16

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	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
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	56	23.5	41.96	-68.3	1270.9	1202.6
Standard	40	21	52.5	21.2	1243.2	1264.5
Rapid	0	0	0	0	0	0
Blitz	16	2.5	15.62	-292.2	1339.9	1047.7

Date	Main	Standard	Rapid	Blitz
2025-09-30	1191.9	1190.7	1200	986.9
2025-09-01	1191.9	1190.7	1200	986.9
2025-08-01	1191.9	1190.7	1200	986.9
2025-07-01	1191.9	1190.7	1200	986.9
2025-06-01	1191.9	1190.7	1200	986.9
2025-05-01	1191.9	1190.7	1200	986.9
2025-04-01	1191.9	1190.7	1200	986.9
2025-03-01	1191.9	1190.7	1200	986.9
2025-02-01	1191.9	1190.7	1200	986.9
2025-01-01	1190.9	1189.9	1200	984.2
2024-12-01	1190.9	1189.9	1200	984.2
2024-11-01	1190.9	1189.9	1200	984.2
2024-10-01	1190.9	1189.9	1200	984.2
2024-09-01	1190.9	1189.9	1200	984.2
2024-08-01	1190.9	1189.9	1200	984.2
2024-07-01	1190.9	1189.9	1200	984.2
2024-06-01	1190.9	1189.9	1200	984.2
2024-08-01	1190.9	1189.9	1200	984.2
2024-04-01	1190.9	1189.9	1200	984.2
2024-03-01	1190.9	1189.9	1200	984.2
2024-02-01	1190.9	1189.9	1200	984.2
2024-01-01	1190.9	1189.9	1200	984.2
2023-12-01	1190.9	1189.9	1200	984.2
2023-11-01	1190.9	1189.9	1200	984.2

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	2023 Tshwane Chess FIDE Rated Blitz League 2	2023-06-11	2023-06-11	Blitz	Tshwane (GTP)	9	8	1.5	Yes	Analysis
2	2023 Tshwane Chess FIDE Rated Blitz League 1	2023-05-28	2023-05-28	Blitz	Tshwane (GTP)	9	8	1	Yes	Analysis
3	2023 Mid Gauteng Open Tournament (C)	2023-05-06	2023-05-06	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
4	Silver Lakes Open Chess Tournament (C)	2023-04-15	2023-04-15	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
5	2023 Milos Ristic Open Tournament (BC)	2023-04-27	2023-04-27	Standard	Tshwane (GTP)	5	5	0	Yes	Analysis
6	Chris Greyling Open Tournament 2023 (D2)	2023-03-21	2023-03-21	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
7	2023 Afrikaans Ho�r Seunskool Open Chess Tournament (D2)	2023-03-04	2023-03-04	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
8	2022 Gauteng Schools Team Championships (U13 Open)	2022-08-27	2022-08-27	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
9	2022 D3 Cluster City Schools (U13)	2022-04-23	2022-04-23	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
10	2021 D3 Individual (U13 Open)	2021-10-13	2021-10-13	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis

#	Games	Start				End
1	6	Tournament 2022 Gauteng Schools Team Championships				Tournament 2023 Afrikaans Ho�r Seunskool Open Chess Tournament
		date 2022-08-27	rnd 4	type Standard	result 1	date 2023-03-04	rnd 4	type Standard	result 1
		Opponent Mvini, W (Wayne)				Opponent Tivane, L (Lebo)
2	4	Tournament 2021 D3 Individual				Tournament 2022 D3 Cluster City Schools
		date 2021-10-13	rnd 4	type Standard	result 1	date 2022-04-23	rnd 2	type Standard	result 1
		Opponent Ngomane, T (Thamsanga)				Opponent Grobler, A (Amorette)
3	3	Tournament Chris Greyling Open Tournament 2023				Tournament Silver Lakes Open Chess Tournament
		date 2023-03-21	rnd 4	type Standard	result 1	date 2023-04-15	rnd 1	type Standard	result 0.5
		Opponent Botha, L (Logan)				Opponent Stelloh, S (Sebastian)

#	Games	Start				End
1	6	Tournament 2022 Gauteng Schools Team Championships				Tournament 2023 Afrikaans Ho�r Seunskool Open Chess Tournament
		date 2022-08-27	rnd 4	type Standard	result 1	date 2023-03-04	rnd 4	type Standard	result 1
		Opponent Mvini, W (Wayne)				Opponent Tivane, L (Lebo)
2	4	Tournament 2021 D3 Individual				Tournament 2022 D3 Cluster City Schools
		date 2021-10-13	rnd 4	type Standard	result 1	date 2022-04-23	rnd 2	type Standard	result 1
		Opponent Ngomane, T (Thamsanga)				Opponent Grobler, A (Amorette)
3	3	Tournament Chris Greyling Open Tournament 2023				Tournament Silver Lakes Open Chess Tournament
		date 2023-03-21	rnd 4	type Standard	result 1	date 2023-04-15	rnd 1	type Standard	result 0.5
		Opponent Botha, L (Logan)				Opponent Stelloh, S (Sebastian)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament 2023 Tshwane Chess FIDE Rated Blitz League 2				Tournament 2023 Tshwane Chess FIDE Rated Blitz League 2
		date 2023-06-11	rnd 6	type Blitz	result 0.5	date 2023-06-11	rnd 6	type Blitz	result 0.5
		Opponent De Roos, H (Hubert)				Opponent De Roos, H (Hubert)
2	1	Tournament 2023 Tshwane Chess FIDE Rated Blitz League 2				Tournament 2023 Tshwane Chess FIDE Rated Blitz League 2
		date 2023-06-11	rnd 2	type Blitz	result 1	date 2023-06-11	rnd 2	type Blitz	result 1
		Opponent Murray, H (Henry)				Opponent Murray, H (Henry)
3	1	Tournament 2023 Tshwane Chess FIDE Rated Blitz League 1				Tournament 2023 Tshwane Chess FIDE Rated Blitz League 1
		date 2023-05-28	rnd 2	type Blitz	result 1	date 2023-05-28	rnd 2	type Blitz	result 1
		Opponent Botes, L (Lodewyk)				Opponent Botes, L (Lodewyk)

#	Games	Start				End
1	6	Tournament 2022 Gauteng Schools Team Championships				Tournament 2023 Afrikaans Ho�r Seunskool Open Chess Tournament
		date 2022-08-27	rnd 4	type Standard	result 1	date 2023-03-04	rnd 4	type Standard	result 1
		Opponent Mvini, W (Wayne)				Opponent Tivane, L (Lebo)
2	4	Tournament 2021 D3 Individual				Tournament 2022 D3 Cluster City Schools
		date 2021-10-13	rnd 4	type Standard	result 1	date 2022-04-23	rnd 2	type Standard	result 1
		Opponent Ngomane, T (Thamsanga)				Opponent Grobler, A (Amorette)
3	2	Tournament Chris Greyling Open Tournament 2023				Tournament Chris Greyling Open Tournament 2023
		date 2023-03-21	rnd 4	type Standard	result 1	date 2023-03-21	rnd 5	type Standard	result 1
		Opponent Botha, L (Logan)				Opponent Karsten, D (Daniel)

#	Games	Start				End
1	6	Tournament 2022 Gauteng Schools Team Championships				Tournament 2023 Afrikaans Ho�r Seunskool Open Chess Tournament
		date 2022-08-27	rnd 4	type Standard	result 1	date 2023-03-04	rnd 4	type Standard	result 1
		Opponent Mvini, W (Wayne)				Opponent Tivane, L (Lebo)
2	4	Tournament 2021 D3 Individual				Tournament 2022 D3 Cluster City Schools
		date 2021-10-13	rnd 4	type Standard	result 1	date 2022-04-23	rnd 2	type Standard	result 1
		Opponent Ngomane, T (Thamsanga)				Opponent Grobler, A (Amorette)
3	2	Tournament Chris Greyling Open Tournament 2023				Tournament Chris Greyling Open Tournament 2023
		date 2023-03-21	rnd 4	type Standard	result 1	date 2023-03-21	rnd 5	type Standard	result 1
		Opponent Botha, L (Logan)				Opponent Karsten, D (Daniel)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament 2023 Tshwane Chess FIDE Rated Blitz League 2				Tournament 2023 Tshwane Chess FIDE Rated Blitz League 2
		date 2023-06-11	rnd 2	type Blitz	result 1	date 2023-06-11	rnd 2	type Blitz	result 1
		Opponent Murray, H (Henry)				Opponent Murray, H (Henry)
2	1	Tournament 2023 Tshwane Chess FIDE Rated Blitz League 1				Tournament 2023 Tshwane Chess FIDE Rated Blitz League 1
		date 2023-05-28	rnd 2	type Blitz	result 1	date 2023-05-28	rnd 2	type Blitz	result 1
		Opponent Botes, L (Lodewyk)				Opponent Botes, L (Lodewyk)

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	Van Schalkwyk ,R (Ruben)	2	1	0	2	1	0	0	0	0	0	0	0
1	Van Schalkwyk ,R (Ruben)	2	1200	1200	2	1200	1200	0	0	0	0	0	0
2	Scheepers ,L (Luan)	2	0	-425	0	0	0	0	0	0	2	0	-425
2	Scheepers ,L (Luan)	2	1199.4	774.4	0	0	0	0	0	0	2	1161	774.4
3	Stander ,L (Lizanne)	2	0	-425	0	0	0	0	0	0	2	0	-425
3	Stander ,L (Lizanne)	2	1181.3	756.3	0	0	0	0	0	0	2	580.4	756.3
4	Botha ,L (Logan)	1	1	425	1	1	425	0	0	0	0	0	0
4	Botha ,L (Logan)	1	1302	1727	1	1296.3	1727	0	0	0	0	0	0
5	Wesinyane ,T (Tshireletso)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Wesinyane ,T (Tshireletso)	1	1193.7	768.7	1	1162.9	768.7	0	0	0	0	0	0
6	Groenewald ,C (Calvin)	1	1	425	1	1	425	0	0	0	0	0	0
6	Groenewald ,C (Calvin)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Burger ,I (Izak Ulrich)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Burger ,I (Izak Ulrich)	1	1372.6	947.6	1	1369.5	947.6	0	0	0	0	0	0
8	Barkhuizen ,SJ (Simon Jurgens)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Barkhuizen ,SJ (Simon Jurgens)	1	1294	869	1	1273.4	869	0	0	0	0	0	0
9	Masango ,B (Brilliant)	1	1	425	1	1	425	0	0	0	0	0	0
9	Masango ,B (Brilliant)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Mmakou ,L (Lesedi)	1	1	425	1	1	425	0	0	0	0	0	0
10	Mmakou ,L (Lesedi)	1	1157.5	1582.5	1	1146.4	1582.5	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Olivier, JG (Jacobus George)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms