Chess South Africa Ratings Database

PLAYER PAGE

Personal

Vermeulen, D (Dian)

Chess SA id

106091281

FIDE id

Date of birth

2006-10-31 (U20)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-01-14

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1351.8	1363	892.2	776.8
Raw rating	1351.8	1363	892.2	776.8
Weighted rating	1351.1	1362.4	890	775.5
Weighted performance	1001.3	1020.5	0	0
Floor	899	922.8	500	500
K-factor	36	32	40	40
Min/Max rating change allowed	133.6	131.5	257.1	303
Highest rating	1421.8 2022-06-01	1437.6 2022-06-01	1200 2019-12-01	1200 2019-12-01
Highest raw rating	1399 2022-07-01	1422.8 2022-07-01	892.2 2024-02-01	776.8 2024-02-01
Highest weighted rating	1350 2025-08-01	1361.4 2025-08-01	892.2 2024-11-01	776.8 2024-11-01
Highest weighted performance	1421.8 2022-06-01	1437.6 2022-06-01	1200 2019-12-01	1200 2019-12-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1351.8	1363	892.2	776.8
Analysis
Rating	1351.8	1363	892.2	776.8
Raw rating	1351.8	1363	892.2	776.8
Weighted rating	1351.1	1362.4	890
Weighted performance	1001.3	1020.5	0
K-factor	36	32	40	40
Floor	899	922.8	500	500
Max/Min rating change allowed	133.6	131.5	257.1	303
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	1351.8	1363	892.2	776.8
New weighted rating	1351.4	1362.7	891.5	776.4
New weighted performance	1000.9	1020.1	0	0
Temp new rating	1351.8	1363	892.2	776.8
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1351.8	1363	892.2	776.8
New K-factor	36	32	40	40
New floor	899	922.8	500	500

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	5	5	0	0
	23	10	5	8
	53	48	5	0
	10	10	0	0
History	182	151	23	8

Games since
	Main 5	Standard 5		Rapid 0		Blitz 0
Gender	Male
Age group	U20
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	142	72.5	51.06	9	1252	1261
Standard	124	63.5	51.21	10.3	1251	1261.3
Rapid	10	5	50	0	1209.1	1209.1
Blitz	8	4	50	0	1322	1322

Date	Main	Standard	Rapid	Blitz
2025-09-30	1351.8	1363	892.2	776.8
2025-09-01	1351.8	1363	892.2	776.8
2025-08-01	1351.8	1363	892.2	776.8
2025-07-01	1351.8	1363	892.2	776.8
2025-06-01	1351.8	1363	892.2	776.8
2025-05-01	1351.8	1363	892.2	776.8
2025-04-01	1351.8	1363	892.2	776.8
2025-03-01	1351.8	1363	892.2	776.8
2025-02-01	1351.8	1363	892.2	776.8
2025-01-01	1351.8	1363	892.2	776.8
2024-12-01	1351.8	1363	892.2	776.8
2024-11-01	1351.8	1363	892.2	776.8
2024-10-01	1351.8	1363	892.2	776.8
2024-09-01	1351.8	1363	892.2	776.8
2024-08-01	1351.8	1363	892.2	776.8
2024-07-01	1351.8	1363	892.2	776.8
2024-06-01	1351.8	1363	892.2	776.8
2024-08-01	1351.8	1363	892.2	776.8
2024-04-01	1351.8	1363	892.2	776.8
2024-03-01	1351.8	1363	892.2	776.8
2024-02-01	1351.8	1363	892.2	776.8
2024-01-01	1315.3	1332	892.2	776.8
2023-12-01	1315.3	1332	672.4	650
2023-11-01	1315.3	1332	672.4	650

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	2024 Gauteng Inter-Region Chess Championship (U20 Open+Girls)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
2	Helpmekaar Kollege Blitz Chess Invitational Sep 2023	2023-09-16	2023-09-16	Blitz	Johannesburg Metro (GJM)	9	8	4	Yes	Analysis
3	2023 Gauteng Top Schools (U17 Mixed)	2023-08-19	2023-08-19	Standard	West Rand (GWR)	5	5	3	Yes	Analysis
4	Benoni Cluster High School League 2023 (U19 Open)	2023-05-06	2023-05-06	Rapid	Ekurhuleni (GE)	5	5	2	Yes	Analysis
5	Ekurhuleni Trials 2 2023 (U18)	2023-04-22	2023-04-22	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
6	2022 South African Junior Wild Card Chess Championships (U18+U20 Open)	2022-12-09	2022-12-12	Standard	4 Knights (4K)	7	6	1.5	Yes	Analysis
7	2022 South African Junior Team Chess Championships (U18 Open)	2022-12-04	2022-12-08	Standard	4 Knights (4K)	7	7	3.5	Yes	Analysis
8	Alberton Chess Club Open 2022 (B)	2022-07-16	2022-07-16	Standard	Ekurhuleni (GE)	5	5	1.5	Yes	Analysis
9	ACB Invitation Chess Tournament 2022 (U15)	2022-06-11	2022-06-11	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
10	Ekurhuleni-North Schools Finals Indiv 2022 (U18 Boys)	2022-05-14	2022-05-14	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
11	Ekurhuleni Trials 2 2022 (U20)	2022-05-28	2022-05-28	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
12	Benoni Cluster HS Individuals 2022 (U18 Boys)	2022-05-07	2022-05-07	Rapid	Ekurhuleni (GE)	5	5	3	Yes	Analysis
13	Ekurhuleni Trials 1 2022 (U18)	2022-04-23	2022-04-23	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
14	2022 Gauteng Interregion (U16 Open)	2022-02-26	2022-02-26	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
15	Ekurhuleni Chess Open 2022 (C)	2022-01-08	2022-01-08	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis
16	Ekurhuleni Trials (3)	2021-11-06	2021-11-06	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
17	Ekurhuleni Chess Chessa Open 2021 (B)	2021-03-27	2021-03-27	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
18	Ekurhuleni Chess Kempton Park Open 2020 (C)	2020-11-21	2020-11-21	Standard	Ekurhuleni (GE)	5	5	1.5	Yes	Analysis
19	2019 South African Junior Team Championships (U14D)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	4.5	Yes	Analysis
20	2019 RMS Laerskole (U13)	2019-06-01	2019-06-01	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
21	Ekurhuleni Trials (3)	2019-06-08	2019-06-08	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
22	Ekurhuleni North School District Finals 2019 (U13 Boys)	2019-05-11	2019-05-11	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
23	Ekurhuleni Trials 2 2019 (U14)	2019-04-27	2019-04-27	Standard	Ekurhuleni (GE)	5	5	1	Yes	Analysis
24	Ekurhuleni Trials 1 2019 (U14)	2019-03-09	2019-03-09	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
25	Springs Chess Club Open 2019 (C)	2019-02-09	2019-02-09	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
26	Boksburg Open 2019 (C)	2019-01-19	2019-01-19	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis
27	Ekurhuleni North Schools Individuals 2018 (U13 Boys)	2018-05-12	2018-05-12	Standard	Ekurhuleni (GE)	5	4	2	Yes	Analysis

#	Games	Start				End
1	8	Tournament Ekurhuleni Trials 2 2022				Tournament ACB Invitation Chess Tournament 2022
		date 2022-05-28	rnd 2	type Standard	result 1	date 2022-06-11	rnd 4	type Standard	result 0.5
		Opponent Gaspar, J (Joshua)				Opponent Nel, H (Hayley)
2	5	Tournament Ekurhuleni North School District Finals 2019				Tournament 2019 RMS Laerskole
		date 2019-05-11	rnd 5	type Standard	result 1	date 2019-06-01	rnd 4	type Standard	result 1
		Opponent Goosen, T (Theuns)				Opponent Fischer, RD (Reven Dylan)
3	4	Tournament 2023 Gauteng Top Schools				Tournament 2023 Gauteng Top Schools
		date 2023-08-19	rnd 2	type Standard	result 1	date 2023-08-19	rnd 5	type Standard	result 0.5
		Opponent Mina, T (Tumisang)				Opponent Tsembeyi, N (Ntsikelelo)

#	Games	Start				End
1	8	Tournament Ekurhuleni Trials 2 2022				Tournament ACB Invitation Chess Tournament 2022
		date 2022-05-28	rnd 2	type Standard	result 1	date 2022-06-11	rnd 4	type Standard	result 0.5
		Opponent Gaspar, J (Joshua)				Opponent Nel, H (Hayley)
2	5	Tournament 2023 Gauteng Top Schools				Tournament 2024 Gauteng Inter-Region Chess Championship
		date 2023-08-19	rnd 2	type Standard	result 1	date 2024-01-13	rnd 1	type Standard	result 1
		Opponent Mina, T (Tumisang)				Opponent Setou, R (Rearabilwe Nosipho)
3	5	Tournament Ekurhuleni North School District Finals 2019				Tournament 2019 RMS Laerskole
		date 2019-05-11	rnd 5	type Standard	result 1	date 2019-06-01	rnd 4	type Standard	result 1
		Opponent Goosen, T (Theuns)				Opponent Fischer, RD (Reven Dylan)

#	Games	Start				End
1	2	Tournament Benoni Cluster HS Individuals 2022				Tournament Benoni Cluster High School League 2023
		date 2022-05-07	rnd 5	type Rapid	result 1	date 2023-05-06	rnd 1	type Rapid	result 1
		Opponent Perry, D (David)				Opponent Botes, L (Liam)
2	2	Tournament Benoni Cluster HS Individuals 2022				Tournament Benoni Cluster HS Individuals 2022
		date 2022-05-07	rnd 1	type Rapid	result 1	date 2022-05-07	rnd 2	type Rapid	result 1
		Opponent Mgqobele, S (Siyabonga)				Opponent Pombo, F (Fabio)
3	1	Tournament Benoni Cluster High School League 2023				Tournament Benoni Cluster High School League 2023
		date 2023-05-06	rnd 3	type Rapid	result 1	date 2023-05-06	rnd 3	type Rapid	result 1
		Opponent Pillay, C (Caylen)				Opponent Pillay, C (Caylen)

#	Games	Start				End
1	3	Tournament Helpmekaar Kollege Blitz Chess Invitational Sep 2023				Tournament Helpmekaar Kollege Blitz Chess Invitational Sep 2023
		date 2023-09-16	rnd 3	type Blitz	result 1	date 2023-09-16	rnd 5	type Blitz	result 1
		Opponent Rakgole, J (Jie)				Opponent Heunes, M (Morne)
2	1	Tournament Helpmekaar Kollege Blitz Chess Invitational Sep 2023				Tournament Helpmekaar Kollege Blitz Chess Invitational Sep 2023
		date 2023-09-16	rnd 8	type Blitz	result 1	date 2023-09-16	rnd 8	type Blitz	result 1
		Opponent Van Der Walt, L (Liam)				Opponent Van Der Walt, L (Liam)

#	Games	Start				End
1	5	Tournament Ekurhuleni North School District Finals 2019				Tournament 2019 RMS Laerskole
		date 2019-05-11	rnd 5	type Standard	result 1	date 2019-06-01	rnd 4	type Standard	result 1
		Opponent Goosen, T (Theuns)				Opponent Fischer, RD (Reven Dylan)
2	3	Tournament Helpmekaar Kollege Blitz Chess Invitational Sep 2023				Tournament Helpmekaar Kollege Blitz Chess Invitational Sep 2023
		date 2023-09-16	rnd 3	type Blitz	result 1	date 2023-09-16	rnd 5	type Blitz	result 1
		Opponent Rakgole, J (Jie)				Opponent Heunes, M (Morne)
3	3	Tournament ACB Invitation Chess Tournament 2022				Tournament ACB Invitation Chess Tournament 2022
		date 2022-06-11	rnd 1	type Standard	result 1	date 2022-06-11	rnd 3	type Standard	result 1
		Opponent Serra, T (Tyra)				Opponent Van Wyk, D (Danyel)

#	Games	Start				End
1	5	Tournament Ekurhuleni North School District Finals 2019				Tournament 2019 RMS Laerskole
		date 2019-05-11	rnd 5	type Standard	result 1	date 2019-06-01	rnd 4	type Standard	result 1
		Opponent Goosen, T (Theuns)				Opponent Fischer, RD (Reven Dylan)
2	3	Tournament ACB Invitation Chess Tournament 2022				Tournament ACB Invitation Chess Tournament 2022
		date 2022-06-11	rnd 1	type Standard	result 1	date 2022-06-11	rnd 3	type Standard	result 1
		Opponent Serra, T (Tyra)				Opponent Van Wyk, D (Danyel)
3	3	Tournament Ekurhuleni Trials 2 2022				Tournament Ekurhuleni Trials 2 2022
		date 2022-05-28	rnd 2	type Standard	result 1	date 2022-05-28	rnd 4	type Standard	result 1
		Opponent Gaspar, J (Joshua)				Opponent Pienaar, S (Schalk)

#	Games	Start				End
1	2	Tournament Benoni Cluster HS Individuals 2022				Tournament Benoni Cluster High School League 2023
		date 2022-05-07	rnd 5	type Rapid	result 1	date 2023-05-06	rnd 1	type Rapid	result 1
		Opponent Perry, D (David)				Opponent Botes, L (Liam)
2	2	Tournament Benoni Cluster HS Individuals 2022				Tournament Benoni Cluster HS Individuals 2022
		date 2022-05-07	rnd 1	type Rapid	result 1	date 2022-05-07	rnd 2	type Rapid	result 1
		Opponent Mgqobele, S (Siyabonga)				Opponent Pombo, F (Fabio)
3	1	Tournament Benoni Cluster High School League 2023				Tournament Benoni Cluster High School League 2023
		date 2023-05-06	rnd 3	type Rapid	result 1	date 2023-05-06	rnd 3	type Rapid	result 1
		Opponent Pillay, C (Caylen)				Opponent Pillay, C (Caylen)

#	Games	Start				End
1	3	Tournament Helpmekaar Kollege Blitz Chess Invitational Sep 2023				Tournament Helpmekaar Kollege Blitz Chess Invitational Sep 2023
		date 2023-09-16	rnd 3	type Blitz	result 1	date 2023-09-16	rnd 5	type Blitz	result 1
		Opponent Rakgole, J (Jie)				Opponent Heunes, M (Morne)
2	1	Tournament Helpmekaar Kollege Blitz Chess Invitational Sep 2023				Tournament Helpmekaar Kollege Blitz Chess Invitational Sep 2023
		date 2023-09-16	rnd 8	type Blitz	result 1	date 2023-09-16	rnd 8	type Blitz	result 1
		Opponent Van Der Walt, L (Liam)				Opponent Van Der Walt, L (Liam)

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	Stadler ,H (Helgard)	4	2	0	4	2	0	0	0	0	0	0	0
1	Stadler ,H (Helgard)	4	1299.3	1299.3	4	1291.5	1299.3	0	0	0	0	0	0
2	Wallace ,A (Aiden)	3	3	425	3	3	425	0	0	0	0	0	0
2	Wallace ,A (Aiden)	3	1229.1	1654.1	3	1221.9	1654.1	0	0	0	0	0	0
3	Jaitas ,K (Kittisak)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Jaitas ,K (Kittisak)	2	1393.4	968.4	2	1386.2	968.4	0	0	0	0	0	0
4	Coetzee ,G (Gisele)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Coetzee ,G (Gisele)	2	1484.9	1059.9	2	1453.6	1059.9	0	0	0	0	0	0
5	Tsembeyi ,N (Ntsikelelo)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
5	Tsembeyi ,N (Ntsikelelo)	2	1214.3	1426.8	2	1214.8	1426.8	0	0	0	0	0	0
6	Singh ,N (Nimai)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	Singh ,N (Nimai)	2	1406.1	981.1	2	1401.6	981.1	0	0	0	0	0	0
7	Pasaribu ,M (Matthew)	2	1	0	2	1	0	0	0	0	0	0	0
7	Pasaribu ,M (Matthew)	2	1468.4	1468.4	2	1473	1468.4	0	0	0	0	0	0
8	Setou ,R (Rearabilwe Nosipho)	2	2	425	2	2	425	0	0	0	0	0	0
8	Setou ,R (Rearabilwe Nosipho)	2	1094.7	1519.7	2	1079.2	1519.7	0	0	0	0	0	0
9	Arthur ,T (Ty)	2	1	0	2	1	0	0	0	0	0	0	0
9	Arthur ,T (Ty)	2	1163.6	1163.6	2	1161.8	1163.6	0	0	0	0	0	0
10	Mafinya ,T (Thama)	2	1	0	2	1	0	0	0	0	0	0	0
10	Mafinya ,T (Thama)	2	1234.8	1234.8	2	1246.3	1234.8	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

Vermeulen, D (Dian)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms