Chess South Africa Ratings Database

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Personal

Buhrmann, J (Johann)

Chess SA id

106056845

FIDE id

Date of birth

2006-09-21 (U20)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-08-17

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1467.3	1482.5	982.4	599.2
Raw rating	1467.3	1482.5	982.4	599.2
Weighted rating	1462.5	1477.3	981.5	599.2
Weighted performance	995.9	1044.5	0	0
Floor	1033	1026.2	500	500
K-factor	32	32	40	40
Min/Max rating change allowed	113.3	110.9	226.1	390.3
Highest rating	1545.8 2023-06-01	1542.2 2023-06-01	1200 2019-12-01	1200 2019-12-01
Highest raw rating	1533 2023-09-01	1526.2 2023-07-01	982.4 2024-02-01	599.2 2024-02-01
Highest weighted rating	1533 2024-09-01	1526.2 2024-09-01	982.4 2024-11-01	599.2 2024-11-01
Highest weighted performance	1545.8 2023-06-01	1542.2 2023-06-01	1200 2019-12-01	1200 2019-12-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1467.3	1482.5	982.4	599.2
Analysis
Rating	1467.3	1482.5	982.4	599.2
Raw rating	1467.3	1482.5	982.4	599.2
Weighted rating	1462.5	1477.3	981.5
Weighted performance	995.9	1044.5	0
K-factor	32	32	40	40
Floor	1033	1026.2	500	500
Max/Min rating change allowed	113.3	110.9	226.1	390.3
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	1467.3	1482.5	982.4	599.2
New weighted rating	1462.5	1477.2	982.4	599.2
New weighted performance	988.4	1036.6	0	0
Temp new rating	1467.3	1482.5	982.4	599.2
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1467.3	1482.5	982.4	599.2
New K-factor	32	32	40	40
New floor	1033	1026.2	500	500

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	10	10	0	0
	46	34	12	0
	34	28	0	6
	10	10	0	0
History	191	162	23	6

Games since
	Main 10	Standard 10		Rapid 0		Blitz 0
Gender	Male
Age group	U20
Region	Johannesburg Metro (GJM)
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	156	80.5	51.6	13.6	1303.5	1317.1
Standard	133	72	54.14	35.2	1282.5	1317.6
Rapid	17	6	35.29	-125	1401.3	1276.3
Blitz	6	2.5	41.67	-70.8	1492.9	1422.1

Date	Main	Standard	Rapid	Blitz
2025-11-01	1467.3	1482.5	982.4	599.2
2025-09-30	1467.3	1482.5	982.4	599.2
2025-09-01	1467.3	1482.5	982.4	599.2
2025-08-01	1467.3	1482.5	982.4	599.2
2025-07-01	1467.3	1482.5	982.4	599.2
2025-06-01	1467.3	1482.5	982.4	599.2
2025-05-01	1467.3	1482.5	982.4	599.2
2025-04-01	1467.3	1482.5	982.4	599.2
2025-03-01	1467.3	1482.5	982.4	599.2
2025-02-01	1465	1479.4	982.4	599.2
2025-01-01	1423.6	1429.2	982.4	599.2
2024-12-01	1423.6	1429.2	982.4	599.2
2024-11-01	1423.6	1429.2	982.4	599.2
2024-10-01	1423.6	1429.2	982.4	599.2
2024-09-01	1480.4	1502.2	982.4	599.2
2024-08-01	1480.4	1502.2	982.4	599.2
2024-07-01	1480.4	1502.2	982.4	599.2
2024-09-01	1480.4	1502.2	982.4	599.2
2024-05-01	1480.4	1502.2	982.4	599.2
2024-04-01	1480.4	1502.2	982.4	599.2
2024-03-01	1480.4	1502.2	982.4	599.2
2024-02-01	1480.4	1502.2	982.4	599.2
2024-01-01	1500.3	1525.2	982.4	599.2
2023-12-01	1500.3	1525.2	729.2	599.2

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	Gauteng Schools Individuals Finals 2024 (U18 Boys)	2024-08-17	2024-08-17	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
2	2024 Gauteng Inter-Region Chess Championship (U18A)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
3	Mzansi Bryanston Rapid 2023 (Advanced)	2023-10-07	2023-10-07	Rapid	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
4	Mzansi Spring Rapid 2023	2023-09-02	2023-09-02	Rapid	Johannesburg Metro (GJM)	7	7	3	Yes	Analysis
5	2023 Gauteng Top Schools (U17 Mixed)	2023-08-19	2023-08-19	Standard	West Rand (GWR)	5	5	3	Yes	Analysis
6	JMC Closed Aug 2023 (U18+U20)	2023-08-04	2023-08-06	Standard	Johannesburg Metro (GJM)	6	6	4	Yes	Analysis
7	JNW Open - Trinityhouse Little Falls 2023 (B)	2023-06-24	2023-06-24	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
8	JNW Open - Trinityhouse Little Falls 2023 (B)	2023-05-13	2023-05-13	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
9	2023 South African Junior Closed Chess Championships (U18 Open)	2023-03-31	2023-04-04	Standard	Chess South Africa (CSA)	9	8	2.5	Yes	Analysis
10	JMC 1 St Peters 2023 (B)	2023-03-18	2023-03-18	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
11	2022 South African Junior Wild Card Chess Championships (U18+U20 Open)	2022-12-09	2022-12-12	Standard	4 Knights (4K)	7	6	2.5	Yes	Analysis
12	2022 South African Junior Team Chess Championships (U18 Open)	2022-12-04	2022-12-08	Standard	4 Knights (4K)	7	7	4.5	Yes	Analysis
13	2022 South Africa Junior Blitz Chess Championships (U16+U18)	2022-12-05	2022-12-05	Blitz	4 Knights (4K)	7	6	2.5	Yes	Analysis
14	2022 Gauteng Schools Individual Chess Championship (U18 Boys)	2022-06-18	2022-06-18	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis
15	2022 Gauteng Interregion (U16 Open)	2022-02-26	2022-02-26	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
16	JMC @ Pinnacle 2022 (B)	2022-02-19	2022-02-20	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
17	JMC Bryanston 2021 (C)	2021-11-06	2021-11-06	Standard	Johannesburg Metro (GJM)	5	5	5	Yes	Analysis
18	JMC Everest 2021 (C)	2021-10-30	2021-10-30	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
19	JNW Club - Junior A High School 2020	2020-03-07	2020-03-07	Rapid	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis
20	2019 South African Junior Team Championships (U14D)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	6	Yes	Analysis
21	Chessnuts November Tournament 2019 (Kings)	2019-11-08	2019-11-08	Standard	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis
22	JHB Metro Closed 2019 (U14)	2019-07-27	2019-07-28	Standard	Johannesburg Metro (GJM)	6	6	3	Yes	Analysis
23	Chessnuts Under 1200 Rated Tournament 2019 (Kings)	2019-07-13	2019-07-13	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
24	JNW Club - Unika Scholar 2019 (Open)	2019-06-01	2019-06-01	Standard	Johannesburg Metro (GJM)	5	4	0.5	Yes	Analysis
25	JNW Club - Hoerskool Linden 2019 (C)	2019-06-15	2019-06-15	Standard	Johannesburg Metro (GJM)	5	4	0	Yes	Analysis
26	JNW Club - Bryanston Open 2 2019 (D)	2019-05-11	2019-05-11	Standard	Johannesburg Metro (GJM)	5	5	5	Yes	Analysis
27	JNW Club - Charterhouse Open 2019 (D)	2019-04-13	2019-04-13	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
28	Chessnuts Under 1200 6 April 2019 (Knights)	2019-04-06	2019-04-06	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
29	Chessnuts Under 1200 27 April 2019 (Knights)	2019-04-27	2019-04-27	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis

#	Games	Start				End
1	5	Tournament JNW Open - Trinityhouse Little Falls 2023				Tournament JNW Open - Trinityhouse Little Falls 2023
		date 2023-05-13	rnd 3	type Standard	result 1	date 2023-06-24	rnd 2	type Standard	result 1
		Opponent Kuppan, CJ (Cephas)				Opponent Mupalala, K (Kenzo)
2	5	Tournament JMC Bryanston 2021				Tournament JMC Bryanston 2021
		date 2021-11-06	rnd 1	type Standard	result 1	date 2021-11-06	rnd 5	type Standard	result 1
		Opponent Kruger, T (Tobias)				Opponent D`Alton, E (Ezra)
3	5	Tournament JNW Club - Bryanston Open 2 2019				Tournament JNW Club - Bryanston Open 2 2019
		date 2019-05-11	rnd 1	type Standard	result 1	date 2019-05-11	rnd 5	type Standard	result 1
		Opponent Dinham, K (Kiara)				Opponent Naidu, L (Layton)

#	Games	Start				End
1	5	Tournament JNW Open - Trinityhouse Little Falls 2023				Tournament JNW Open - Trinityhouse Little Falls 2023
		date 2023-05-13	rnd 3	type Standard	result 1	date 2023-06-24	rnd 2	type Standard	result 1
		Opponent Kuppan, CJ (Cephas)				Opponent Mupalala, K (Kenzo)
2	5	Tournament 2022 Gauteng Schools Individual Chess Championship				Tournament 2022 South African Junior Team Chess Championships
		date 2022-06-18	rnd 5	type Standard	result 0.5	date 2022-12-06	rnd 4	type Standard	result 1
		Opponent Motsoari, K (Kabelo)				Opponent Van Niekerk, A (Adrian)
3	5	Tournament JMC Bryanston 2021				Tournament JMC Bryanston 2021
		date 2021-11-06	rnd 1	type Standard	result 1	date 2021-11-06	rnd 5	type Standard	result 1
		Opponent Kruger, T (Tobias)				Opponent D`Alton, E (Ezra)

#	Games	Start				End
1	2	Tournament Mzansi Spring Rapid 2023				Tournament Mzansi Spring Rapid 2023
		date 2023-09-02	rnd 5	type Rapid	result 1	date 2023-09-02	rnd 6	type Rapid	result 1
		Opponent Du Toit, M (Megan)				Opponent Botha, JF (Julian)
2	1	Tournament Mzansi Bryanston Rapid 2023				Tournament Mzansi Bryanston Rapid 2023
		date 2023-10-07	rnd 3	type Rapid	result 1	date 2023-10-07	rnd 3	type Rapid	result 1
		Opponent Hazelton-Lagarrigue, V (Vincent)				Opponent Hazelton-Lagarrigue, V (Vincent)
3	1	Tournament Mzansi Bryanston Rapid 2023				Tournament Mzansi Bryanston Rapid 2023
		date 2023-10-07	rnd 1	type Rapid	result 1	date 2023-10-07	rnd 1	type Rapid	result 1
		Opponent Magaele, K (Kholofelo)				Opponent Magaele, K (Kholofelo)

#	Games	Start				End
1	2	Tournament 2022 South Africa Junior Blitz Chess Championships				Tournament 2022 South Africa Junior Blitz Chess Championships
		date 2022-12-05	rnd 4	type Blitz	result 1	date 2022-12-05	rnd 5	type Blitz	result 0.5
		Opponent Scholtz, IP (Ivan Petrus)				Opponent Chipunza, J (James)
2	1	Tournament 2022 South Africa Junior Blitz Chess Championships				Tournament 2022 South Africa Junior Blitz Chess Championships
		date 2022-12-05	rnd 2	type Blitz	result 1	date 2022-12-05	rnd 2	type Blitz	result 1
		Opponent Zimunya, T (Tumisho)				Opponent Zimunya, T (Tumisho)

#	Games	Start				End
1	5	Tournament JMC Bryanston 2021				Tournament JMC Bryanston 2021
		date 2021-11-06	rnd 1	type Standard	result 1	date 2021-11-06	rnd 5	type Standard	result 1
		Opponent Kruger, T (Tobias)				Opponent D`Alton, E (Ezra)
2	5	Tournament JNW Club - Bryanston Open 2 2019				Tournament JNW Club - Bryanston Open 2 2019
		date 2019-05-11	rnd 1	type Standard	result 1	date 2019-05-11	rnd 5	type Standard	result 1
		Opponent Dinham, K (Kiara)				Opponent Naidu, L (Layton)
3	4	Tournament JMC Closed Aug 2023				Tournament 2023 Gauteng Top Schools
		date 2023-08-06	rnd 5	type Standard	result 1	date 2023-08-19	rnd 2	type Standard	result 1
		Opponent Fauconier, C (Caley)				Opponent Mamatu, A (Amila)

#	Games	Start				End
1	5	Tournament JMC Bryanston 2021				Tournament JMC Bryanston 2021
		date 2021-11-06	rnd 1	type Standard	result 1	date 2021-11-06	rnd 5	type Standard	result 1
		Opponent Kruger, T (Tobias)				Opponent D`Alton, E (Ezra)
2	5	Tournament JNW Club - Bryanston Open 2 2019				Tournament JNW Club - Bryanston Open 2 2019
		date 2019-05-11	rnd 1	type Standard	result 1	date 2019-05-11	rnd 5	type Standard	result 1
		Opponent Dinham, K (Kiara)				Opponent Naidu, L (Layton)
3	4	Tournament JMC Closed Aug 2023				Tournament 2023 Gauteng Top Schools
		date 2023-08-06	rnd 5	type Standard	result 1	date 2023-08-19	rnd 2	type Standard	result 1
		Opponent Fauconier, C (Caley)				Opponent Mamatu, A (Amila)

#	Games	Start				End
1	2	Tournament Mzansi Spring Rapid 2023				Tournament Mzansi Spring Rapid 2023
		date 2023-09-02	rnd 5	type Rapid	result 1	date 2023-09-02	rnd 6	type Rapid	result 1
		Opponent Du Toit, M (Megan)				Opponent Botha, JF (Julian)
2	1	Tournament Mzansi Bryanston Rapid 2023				Tournament Mzansi Bryanston Rapid 2023
		date 2023-10-07	rnd 3	type Rapid	result 1	date 2023-10-07	rnd 3	type Rapid	result 1
		Opponent Hazelton-Lagarrigue, V (Vincent)				Opponent Hazelton-Lagarrigue, V (Vincent)
3	1	Tournament Mzansi Bryanston Rapid 2023				Tournament Mzansi Bryanston Rapid 2023
		date 2023-10-07	rnd 1	type Rapid	result 1	date 2023-10-07	rnd 1	type Rapid	result 1
		Opponent Magaele, K (Kholofelo)				Opponent Magaele, K (Kholofelo)

#	Games	Start				End
1	1	Tournament 2022 South Africa Junior Blitz Chess Championships				Tournament 2022 South Africa Junior Blitz Chess Championships
		date 2022-12-05	rnd 4	type Blitz	result 1	date 2022-12-05	rnd 4	type Blitz	result 1
		Opponent Scholtz, IP (Ivan Petrus)				Opponent Scholtz, IP (Ivan Petrus)
2	1	Tournament 2022 South Africa Junior Blitz Chess Championships				Tournament 2022 South Africa Junior Blitz Chess Championships
		date 2022-12-05	rnd 2	type Blitz	result 1	date 2022-12-05	rnd 2	type Blitz	result 1
		Opponent Zimunya, T (Tumisho)				Opponent Zimunya, T (Tumisho)

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	Jones ,W (William)	3	0	-425	3	0	-425	0	0	0	0	0	0
1	Jones ,W (William)	3	1364.3	939.3	3	1351.7	939.3	0	0	0	0	0	0
2	Deysel ,K (Kaleb)	3	0	-425	3	0	-425	0	0	0	0	0	0
2	Deysel ,K (Kaleb)	3	1250.5	825.5	3	1243.6	825.5	0	0	0	0	0	0
3	Bezuidenhout ,D (Dawid)	2	1	0	2	1	0	0	0	0	0	0	0
3	Bezuidenhout ,D (Dawid)	2	1386.2	1386.2	2	1367.7	1386.2	0	0	0	0	0	0
4	Shatlin ,D (Damien)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Shatlin ,D (Damien)	2	1303.1	878.1	2	1313.6	878.1	0	0	0	0	0	0
5	Suresh ,A (Aaradhya)	2	2	425	2	2	425	0	0	0	0	0	0
5	Suresh ,A (Aaradhya)	2	1257.1	1682.1	2	1252	1682.1	0	0	0	0	0	0
6	Liao ,J (Jingpu)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
6	Liao ,J (Jingpu)	2	1520.1	1732.6	2	1513.6	1732.6	0	0	0	0	0	0
7	D`Alton ,E (Ezra)	2	2	425	2	2	425	0	0	0	0	0	0
7	D`Alton ,E (Ezra)	2	1251.2	1676.2	2	1225.4	1676.2	0	0	0	0	0	0
8	Stadler ,H (Helgard)	2	0	-425	2	0	-425	0	0	0	0	0	0
8	Stadler ,H (Helgard)	2	1378.8	953.8	2	1393.1	953.8	0	0	0	0	0	0
9	Lusi ,L (Lunathi)	2	1	0	2	1	0	0	0	0	0	0	0
9	Lusi ,L (Lunathi)	2	1433.1	1433.1	2	1436.8	1433.1	0	0	0	0	0	0
10	Voigt ,H (Heinrich)	2	1	0	2	1	0	0	0	0	0	0	0
10	Voigt ,H (Heinrich)	2	1289.7	1289.7	2	1263.4	1289.7	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Buhrmann, J (Johann)

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