Chess South Africa Ratings Database

PLAYER PAGE

Personal

Vermeulen, GB (George Barrett)

Chess SA id

183041565

FIDE id

Date of birth

1983-03-06 (Adult)

Gender

Male

Region

Mangaung (FMB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-07-19

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1642.6	1623.3	1647.9	1626
Raw rating	1642.6	1623.3	1647.9	1621.1
Weighted rating	1636.9	1615.8	1647.1	1626
Weighted performance	1416.9	1147.5	0	0
Floor	1180.7	1180.7	1180.7	1180.7
K-factor	28	28	28	28
Min/Max rating change allowed	88.3	90.7	87.6	91
Highest rating	1680.7 2018-02-01	1680.7 2018-02-01	1680.7 2018-03-01	1680.7 2018-03-01
Highest raw rating	1680.7 2018-02-01	1680.7 2018-02-01	1680.7 2020-01-01	1680.7 2018-02-01
Highest weighted rating	1680.7 2018-02-01	1680.7 2018-02-01	1680.7 2018-03-01	1680.7 2018-03-01
Highest weighted performance	1575.9 2018-10-01	1649.6 2018-07-01	1544.8 2023-08-01	1518.7 2018-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	-0.3
New rating	1642.6	1623.3	1647.9	1625.7
Analysis
Rating	1642.6	1623.3	1647.9	1626
Raw rating	1642.6	1623.3	1647.9	1621.1
Weighted rating	1636.9	1615.8	1647.1
Weighted performance	1416.9	1147.5	0
K-factor	28	28	28	28
Floor	1180.7	1180.7	1180.7	1180.7
Max/Min rating change allowed	88.3	90.7	87.6	91
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	1642.6	1623.3	1647.9	1621.1
New weighted rating	1637.2	1616.3	1647.1	1625.7
New weighted performance	1416.3	1147	0	0
Temp new rating	1642.6	1623.3	1647.9	1625.7
Temp new rating +/-	0	0	0	-0.3
Final new rating +/-	0	0	0	-0.3
New rating	1642.6	1623.3	1647.9	1625.7
New K-factor	28	28	28	28
New floor	1180.7	1180.7	1180.7	1180.7

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	14	5	0	9
	15	10	5	0
	12	0	12	0
	0	0	0	0
	5	0	5	0
History	224	167	27	30

Games since
	Main 29	Standard 15		Rapid 5		Blitz 9
Gender	Male
Age group	Adult
Region	Mangaung (FMB)
Province	Free State (FS)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	14	8.5	60.71	91.1	1581	1672.1
Standard	5	3.5	70	170	1557.2	1727.2
Rapid	0	0	0	0	0	0
Blitz	9	5	55.56	47.2	1594.2	1641.4
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	111	65.5	59.01	76.6	1513.2	1589.7
Standard	66	40	60.61	90.2	1477	1567.2
Rapid	22	13	59.09	77.3	1611.3	1688.6
Blitz	23	12.5	54.35	37	1523	1559.9

Date	Main	Standard	Rapid	Blitz
2025-09-30	1642.6	1623.3	1647.9	1621.1
2025-09-01	1642.6	1623.3	1647.9	1621.1
2025-08-01	1642.6	1623.3	1647.9	1621.1
2025-07-01	1642.9	1623.3	1647.9	1627.7
2025-06-01	1642.9	1623.3	1647.9	1627.7
2025-05-01	1642.9	1623.3	1647.9	1627.7
2025-04-01	1642.9	1623.3	1647.9	1627.7
2025-03-01	1642.9	1623.3	1647.9	1627.7
2025-02-01	1630.3	1607.2	1647.6	1627.7
2025-01-01	1608.8	1582.2	1640.2	1627.7
2024-12-01	1608.8	1582.2	1640.2	1627.7
2024-11-01	1608.8	1582.2	1640.2	1627.7
2024-10-01	1608.8	1582.2	1640.2	1627.7
2024-09-01	1608.8	1582.2	1640.2	1627.7
2024-08-01	1650.1	1633.2	1652.8	1627.7
2024-07-01	1650.1	1633.2	1652.8	1627.7
2024-06-01	1650.1	1633.2	1652.8	1627.7
2024-08-01	1663.2	1642.5	1652.8	1627.7
2024-04-01	1663.2	1642.5	1652.8	1627.7
2024-03-01	1663.2	1642.5	1652.8	1627.7
2024-02-01	1663.2	1642.5	1652.8	1627.7
2024-01-01	1663.2	1642.5	1652.8	1627.7
2023-12-01	1626.5	1600.1	1652.8	1608.2
2023-11-01	1626.5	1600.1	1652.8	1608.2

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	Smart Chess Blitz 2025 (Elite)	2025-07-19	2025-07-19	Blitz	Mangaung (FMB)	9	9	5	Yes	Analysis
2	Mangaung Metro Chess 7-8 February 2025 (A)	2025-02-07	2025-02-08	Standard	Mangaung (FMB)	5	5	3.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Smart Chess Blitz 2025 (Elite)	2025-07-19	2025-07-19	Blitz	Mangaung (FMB)	9	9	5	Yes	Analysis
2	Mangaung Metro Chess 7-8 February 2025 (A)	2025-02-07	2025-02-08	Standard	Mangaung (FMB)	5	5	3.5	Yes	Analysis
3	Mangaung Metro Chess 3 August 2024 (A)	2024-08-03	2024-08-03	Rapid	Mangaung (FMB)	5	5	3.5	Yes	Analysis
4	Morris Club Championship 2024	2024-07-26	2024-07-27	Standard	Mangaung (FMB)	5	5	1.5	Yes	Analysis
5	10th Piet van Zyl Chess Festival 2024 (A+B)	2024-05-24	2024-05-25	Standard	Mangaung (FMB)	5	5	3.5	Yes	Analysis
6	Kiriakos Michalakis Rapid 2023 (Prestige)	2023-08-05	2023-08-05	Rapid	Mangaung (FMB)	7	7	2	Yes	Analysis
7	Morris Club Championship 2023	2023-07-28	2023-07-28	Rapid	Mangaung (FMB)	5	5	4	Yes	Analysis
8	Morris Chess Club Challenge 2021	2021-04-10	2021-04-10	Rapid	Mangaung (FMB)	5	5	3.5	Yes	Analysis
9	Morris Club Tournament 2020	2020-02-15	2020-02-15	Standard	Mangaung (FMB)	5	3	3	Yes	Analysis
10	Inter Regional Chess Championship 2019 (Adult)	2019-05-10	2019-05-11	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
11	Morris Club Challenge 2019	2019-02-16	2019-02-16	Standard	Mangaung (FMB)	5	5	1.5	Yes	Analysis
12	Northern Cape Open 2018 (Prestige)	2018-10-26	2018-10-28	Standard	Frances Baard (NCF)	6	6	4	Yes	Analysis
13	Mangaung Metro Chess12 & 13 October 2018 (A)	2018-10-12	2018-10-13	Standard	Mangaung (FMB)	5	5	3.5	Yes	Analysis
14	Free State Open 2018 (A)	2018-08-17	2018-08-18	Standard	Mangaung (FMB)	6	6	4.5	Yes	Analysis
15	South African Open 2018 (A)	2018-07-07	2018-07-14	Standard	Mangaung (FMB)	11	11	5	Yes	Analysis
16	South African Open 2018 (Blitz)	2018-07-11	2018-07-11	Blitz	Mangaung (FMB)	9	9	4.5	Yes	Analysis
17	Mangaung Metro Chess 27-28 July 2018 (A)	2018-07-27	2018-07-28	Standard	Mangaung (FMB)	5	5	3.5	Yes	Analysis
18	Smart Chess Blitz 2018 (Open)	2018-03-03	2018-03-03	Blitz	Mangaung (FMB)	5	5	3	Yes	Analysis
19	Mangaung Metro Chess 2 & 3 February 2018 (A)	2018-02-02	2018-02-03	Standard	Mangaung (FMB)	5	5	3.5	Yes	Analysis

#	Games	Start				End
1	10	Tournament Free State Open 2018				Tournament Northern Cape Open 2018
		date 2018-08-18	rnd 3	type Standard	result 1	date 2018-10-26	rnd 1	type Standard	result 1
		Opponent Matsiliso, T (Thabo)				Opponent Mafanya, K (Kulasande)
2	6	Tournament South African Open 2018				Tournament Mangaung Metro Chess 27-28 July 2018
		date 2018-07-13	rnd 10	type Standard	result 0.5	date 2018-07-28	rnd 4	type Standard	result 1
		Opponent Oosthuizen, MJ (Michal)				Opponent Van Den Bergh, TJ (Tobias)
3	6	Tournament South African Open 2018				Tournament South African Open 2018
		date 2018-07-08	rnd 2	type Standard	result 0.5	date 2018-07-11	rnd 1	type Blitz	result 1
		Opponent Fibiger, JN (Jethro)				Opponent Goosen, P (Pierre)

#	Games	Start				End
1	10	Tournament Free State Open 2018				Tournament Northern Cape Open 2018
		date 2018-08-18	rnd 3	type Standard	result 1	date 2018-10-26	rnd 1	type Standard	result 1
		Opponent Matsiliso, T (Thabo)				Opponent Mafanya, K (Kulasande)
2	6	Tournament South African Open 2018				Tournament Mangaung Metro Chess 27-28 July 2018
		date 2018-07-13	rnd 10	type Standard	result 0.5	date 2018-07-28	rnd 4	type Standard	result 1
		Opponent Oosthuizen, MJ (Michal)				Opponent Van Den Bergh, TJ (Tobias)
3	6	Tournament South African Open 2018				Tournament South African Open 2018
		date 2018-07-08	rnd 2	type Standard	result 0.5	date 2018-07-11	rnd 7	type Standard	result 0.5
		Opponent Fibiger, JN (Jethro)				Opponent Selkirk, RJ (Rebecca)

#	Games	Start				End
1	5	Tournament Morris Chess Club Challenge 2021				Tournament Morris Club Championship 2023
		date 2021-04-10	rnd 3	type Rapid	result 1	date 2023-07-28	rnd 2	type Rapid	result 1
		Opponent Mabele, TGP (Thabiso)				Opponent Mitchell, V (Vanadium)
2	4	Tournament Mangaung Metro Chess 3 August 2024				Tournament Mangaung Metro Chess 3 August 2024
		date 2024-08-03	rnd 1	type Rapid	result 1	date 2024-08-03	rnd 4	type Rapid	result 0.5
		Opponent Els, C (Christiaan)				Opponent Modirwa, O (Ofentse)
3	2	Tournament Kiriakos Michalakis Rapid 2023				Tournament Kiriakos Michalakis Rapid 2023
		date 2023-08-05	rnd 3	type Rapid	result 1	date 2023-08-05	rnd 4	type Rapid	result 1
		Opponent Manaba, T (Thembani)				Opponent De Lange, C (Christo)

#	Games	Start				End
1	4	Tournament Smart Chess Blitz 2025				Tournament Smart Chess Blitz 2025
		date 2025-07-19	rnd 2	type Blitz	result 0.5	date 2025-07-19	rnd 5	type Blitz	result 1
		Opponent Sekharume, L (Lefu)				Opponent Van Der Merwe, T (Tiaan)
2	3	Tournament South African Open 2018				Tournament South African Open 2018
		date 2018-07-11	rnd 4	type Blitz	result 0.5	date 2018-07-11	rnd 6	type Blitz	result 1
		Opponent Hanekom, W (Driaan)				Opponent Lesuthu, KM (Kali)
3	3	Tournament Smart Chess Blitz 2018				Tournament Smart Chess Blitz 2018
		date 2018-03-03	rnd 2	type Blitz	result 1	date 2018-03-03	rnd 4	type Blitz	result 1
		Opponent Van Der Merwe, T (Tiaan)				Opponent Modirwa, O (Ofentse)

#	Games	Start				End
1	4	Tournament Morris Club Tournament 2020				Tournament Morris Chess Club Challenge 2021
		date 2020-02-15	rnd 1	type Standard	result 1	date 2021-04-10	rnd 1	type Rapid	result 1
		Opponent Odendaal, C (Christiaan)				Opponent Gerber, M (Michar)
2	3	Tournament Mangaung Metro Chess 3 August 2024				Tournament Mangaung Metro Chess 3 August 2024
		date 2024-08-03	rnd 1	type Rapid	result 1	date 2024-08-03	rnd 3	type Rapid	result 1
		Opponent Els, C (Christiaan)				Opponent Senatle, K (Kamogelo)
3	3	Tournament 10th Piet van Zyl Chess Festival 2024				Tournament 10th Piet van Zyl Chess Festival 2024
		date 2024-05-25	rnd 3	type Standard	result 1	date 2024-05-25	rnd 5	type Standard	result 1
		Opponent Smit, A (Albert)				Opponent Kobo, J (Joseph)

#	Games	Start				End
1	3	Tournament 10th Piet van Zyl Chess Festival 2024				Tournament 10th Piet van Zyl Chess Festival 2024
		date 2024-05-25	rnd 3	type Standard	result 1	date 2024-05-25	rnd 5	type Standard	result 1
		Opponent Smit, A (Albert)				Opponent Kobo, J (Joseph)
2	3	Tournament Morris Club Tournament 2020				Tournament Morris Club Tournament 2020
		date 2020-02-15	rnd 1	type Standard	result 1	date 2020-02-15	rnd 3	type Standard	result 1
		Opponent Odendaal, C (Christiaan)				Opponent Mitchell, V (Vanadium)
3	3	Tournament Free State Open 2018				Tournament Mangaung Metro Chess12 & 13 October 2018
		date 2018-08-18	rnd 5	type Standard	result 1	date 2018-10-12	rnd 1	type Standard	result 1
		Opponent Coetzee, TH (Tebogo Hendrik)				Opponent Albertse, IF (Ian)

#	Games	Start				End
1	3	Tournament Mangaung Metro Chess 3 August 2024				Tournament Mangaung Metro Chess 3 August 2024
		date 2024-08-03	rnd 1	type Rapid	result 1	date 2024-08-03	rnd 3	type Rapid	result 1
		Opponent Els, C (Christiaan)				Opponent Senatle, K (Kamogelo)
2	3	Tournament Morris Chess Club Challenge 2021				Tournament Morris Club Championship 2023
		date 2021-04-10	rnd 5	type Rapid	result 1	date 2023-07-28	rnd 2	type Rapid	result 1
		Opponent Mokoena, L (Lebohang)				Opponent Mitchell, V (Vanadium)
3	2	Tournament Kiriakos Michalakis Rapid 2023				Tournament Kiriakos Michalakis Rapid 2023
		date 2023-08-05	rnd 3	type Rapid	result 1	date 2023-08-05	rnd 4	type Rapid	result 1
		Opponent Manaba, T (Thembani)				Opponent De Lange, C (Christo)

#	Games	Start				End
1	3	Tournament Smart Chess Blitz 2018				Tournament Smart Chess Blitz 2018
		date 2018-03-03	rnd 2	type Blitz	result 1	date 2018-03-03	rnd 4	type Blitz	result 1
		Opponent Van Der Merwe, T (Tiaan)				Opponent Modirwa, O (Ofentse)
2	2	Tournament Smart Chess Blitz 2025				Tournament Smart Chess Blitz 2025
		date 2025-07-19	rnd 8	type Blitz	result 1	date 2025-07-19	rnd 9	type Blitz	result 1
		Opponent Smit, A (Albert)				Opponent Weng, Q (Qi)
3	2	Tournament South African Open 2018				Tournament South African Open 2018
		date 2018-07-11	rnd 5	type Blitz	result 1	date 2018-07-11	rnd 6	type Blitz	result 1
		Opponent Meyer, PJ (Pravin)				Opponent Lesuthu, KM (Kali)

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	Sekharume ,L (Lefu)	4	1	-212.5	2	0	-425	1	0.5	0	1	0.5	0
1	Sekharume ,L (Lefu)	4	1833.2	1620.7	2	1885.2	1408.2	1	1200	1833.2	1	1625.9	1833.2
2	Sikwati ,L (Lizo)	3	0	-425	2	0	-425	1	0	-425	0	0	0
2	Sikwati ,L (Lizo)	3	1740.7	1315.7	2	1671.2	1315.7	1	1599	1315.7	0	0	0
3	Mitchell ,V (Vanadium)	3	3	425	2	2	425	1	1	425	0	0	0
3	Mitchell ,V (Vanadium)	3	1391.4	1816.4	2	1331.2	1816.4	1	1282.4	1816.4	0	0	0
4	Goosen ,P (Pierre)	3	3	425	2	2	425	0	0	0	1	1	425
4	Goosen ,P (Pierre)	3	1239.6	1664.6	2	1246.6	1664.6	0	0	0	1	1200	1664.6
5	Manaba ,T (Thembani)	3	2	141.7	1	1	425	1	1	425	1	0	-425
5	Manaba ,T (Thembani)	3	1643.1	1784.7	1	1650.7	2068.1	1	1556	2068.1	1	1629.7	1218.1
6	Modirwa ,O (Ofentse)	3	1.5	0	0	0	0	1	0.5	0	2	1	0
6	Modirwa ,O (Ofentse)	3	1666.1	1666.1	0	0	0	1	1576.4	1666.1	2	1430.8	1666.1
7	Motaung ,L (Lehlohonolo)	2	1	0	2	1	0	0	0	0	0	0	0
7	Motaung ,L (Lehlohonolo)	2	1457.3	1457.3	2	1481.1	1457.3	0	0	0	0	0	0
8	Mathebula ,X (Xolani Cebo)	2	0	-425	2	0	-425	0	0	0	0	0	0
8	Mathebula ,X (Xolani Cebo)	2	1690.1	1265.1	2	1690.6	1265.1	0	0	0	0	0	0
9	Coetzee ,TH (Tebogo Hendrik)	2	2	425	2	2	425	0	0	0	0	0	0
9	Coetzee ,TH (Tebogo Hendrik)	2	1213.2	1638.2	2	1215.8	1638.2	0	0	0	0	0	0
10	Posholi ,K (Kamohelo)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
10	Posholi ,K (Kamohelo)	2	1476.9	1689.4	2	1469.2	1689.4	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Vermeulen, GB (George Barrett)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms