Chess South Africa Ratings Database

PLAYER PAGE

Personal

Bronkhorst, J (Johan)

Chess SA id

1130137777

FIDE id

Date of birth

2013-11-02 (U14)

Gender

Male

Region

Nelson Mandela Bay (ENM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-05-17

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1225.1	1237.3	1177.2	1200
Raw rating	1225.1	1237.3	1177.2	1200
Weighted rating	1202.6	1210.9	1174.7	1200
Weighted performance	0	0	0	0
Floor	725.1	737.3	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	160	157.2	171.3	165.8
Highest rating	1266.1 2022-03-01	1237.3 2025-06-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1225.1 2025-06-01	1237.3 2025-06-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1225.1 2024-02-01	1237.3 2024-02-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1266.1 2022-03-01	1235.3 2022-03-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1225.1	1237.3	1177.2	1200
Analysis
Rating	1225.1	1237.3	1177.2	1200
Raw rating	1225.1	1237.3	1177.2	1200
Weighted rating	1202.6	1210.9	1174.7
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	725.1	737.3	700	700
Max/Min rating change allowed	160	157.2	171.3	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	1225.1	1237.3	1177.2	1200
New weighted rating	1204.6	1213.4	1174.6	1200
New weighted performance	0	0	0	0
Temp new rating	1225.1	1237.3	1177.2	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1225.1	1237.3	1177.2	1200
New K-factor	36	36	36	36
New floor	725.1	737.3	700	700

Item	Main	Standard	Rapid
	0	0	0
	5	5	0
	18	6	12
	0	0	0
	3	3	0
	0	0	0
History	26	14	12

Games since
	Main 23	Standard 11		Rapid 12		Blitz 0
Gender	Male
Age group	U14
Region	Nelson Mandela Bay (ENM)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	5	3.5	70	170	1201.2	1371.2
Standard	5	3.5	70	170	1201.2	1371.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	26	11.5	44.23	-49	1229.3	1180.3
Standard	14	7	50	0	1240.2	1240.2
Rapid	12	4.5	37.5	-106.2	1216.6	1110.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1225.1	1237.3	1177.2	1200
2025-09-01	1225.1	1237.3	1177.2	1200
2025-08-01	1225.1	1237.3	1177.2	1200
2025-07-01	1225.1	1237.3	1177.2	1200
2025-06-01	1225.1	1237.3	1177.2	1200
2025-05-01	1192.5	1197.3	1177.2	1200
2025-04-01	1192.5	1197.3	1177.2	1200
2025-03-01	1192.5	1197.3	1177.2	1200
2025-02-01	1192.2	1197	1177	1200
2025-01-01	1182.4	1190.1	1166.5	1200
2024-12-01	1182.4	1190.1	1166.5	1200
2024-11-01	1182.4	1190.1	1166.5	1200
2024-10-01	1182.4	1190.1	1166.5	1200
2024-09-01	1182.4	1190.1	1166.5	1200
2024-08-01	1182.4	1190.1	1166.5	1200
2024-07-01	1193	1201.3	1166.5	1200
2024-06-01	1193	1201.3	1166.5	1200
2024-08-01	1178.5	1201.3	1142	1200
2024-04-01	1203.5	1201.3	1200	1200
2024-03-01	1203.5	1201.3	1200	1200
2024-02-01	1209.2	1206	1200	1200
2024-01-01	1209.2	1206	1200	1200
2023-12-01	1209.2	1206	1200	1200
2023-11-01	1209.2	1206	1200	1200

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	Fountains Mall SBD Open 2025 (Development)	2025-05-17	2025-05-17	Standard	Sarah Baartman (ESB)	6	5	3.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Fountains Mall SBD Open 2025 (Development)	2025-05-17	2025-05-17	Standard	Sarah Baartman (ESB)	6	5	3.5	Yes	Analysis
2	SBDCU Closed Trials 2024 (U12 Boys)	2024-07-27	2024-07-27	Standard	Sarah Baartman (ESB)	5	1	0	Yes	Analysis
3	Humansdorp CMC Schools Trials 2024 (U11 Boys)	2024-05-10	2024-05-10	Rapid	Sarah Baartman (ESB)	6	6	3	Yes	Analysis
4	Stulting Tournament 2024 (Senior)	2024-04-06	2024-04-06	Rapid	Sarah Baartman (ESB)	6	6	1.5	Yes	Analysis
5	SBDCU Trial 1 2024 (U12)	2024-02-24	2024-02-24	Standard	Sarah Baartman (ESB)	6	0	0	No	Analysis
6	SBDCU Open 2024 (B)	2024-02-10	2024-02-10	Standard	Sarah Baartman (ESB)	5	5	2	Yes	Analysis
7	SBDCU Trial 2 2023 (U12)	2023-04-01	2023-04-01	Standard	Sarah Baartman (ESB)	5	0	0	No	Analysis
8	SBDCU 2nd Open Tournament Fountains Mall 2022 (B)	2022-03-04	2022-03-05	Standard	Sarah Baartman (ESB)	6	3	1.5	Yes	Analysis

#	Games	Start				End
1	4	Tournament Fountains Mall SBD Open 2025				Tournament Fountains Mall SBD Open 2025
		date 2025-05-17	rnd 2	type Standard	result 1	date 2025-05-17	rnd 5	type Standard	result 0.5
		Opponent Hammond, C (Clyrique)				Opponent Prinsloo, D (Dawid)
2	2	Tournament SBDCU Open 2024				Tournament Stulting Tournament 2024
		date 2024-02-10	rnd 5	type Standard	result 1	date 2024-04-06	rnd 1	type Rapid	result 0.5
		Opponent Bronkhorst, A (Annemicke)				Opponent Campbell, J (Johnathan)
3	2	Tournament SBDCU 2nd Open Tournament Fountains Mall 2022				Tournament SBDCU 2nd Open Tournament Fountains Mall 2022
		date 2022-03-05	rnd 2	type Standard	result 0.5	date 2022-03-05	rnd 3	type Standard	result 1
		Opponent Pietersen, L (Leandre)				Opponent Titus, S (Sade Catherine)

#	Games	Start				End
1	4	Tournament Fountains Mall SBD Open 2025				Tournament Fountains Mall SBD Open 2025
		date 2025-05-17	rnd 2	type Standard	result 1	date 2025-05-17	rnd 5	type Standard	result 0.5
		Opponent Hammond, C (Clyrique)				Opponent Prinsloo, D (Dawid)
2	2	Tournament SBDCU 2nd Open Tournament Fountains Mall 2022				Tournament SBDCU 2nd Open Tournament Fountains Mall 2022
		date 2022-03-05	rnd 2	type Standard	result 0.5	date 2022-03-05	rnd 3	type Standard	result 1
		Opponent Pietersen, L (Leandre)				Opponent Titus, S (Sade Catherine)
3	1	Tournament SBDCU Open 2024				Tournament SBDCU Open 2024
		date 2024-02-10	rnd 5	type Standard	result 1	date 2024-02-10	rnd 5	type Standard	result 1
		Opponent Bronkhorst, A (Annemicke)				Opponent Bronkhorst, A (Annemicke)

#	Games	Start				End
1	1	Tournament Humansdorp CMC Schools Trials 2024				Tournament Humansdorp CMC Schools Trials 2024
		date 2024-05-10	rnd 6	type Rapid	result 1	date 2024-05-10	rnd 6	type Rapid	result 1
		Opponent Geldenhuys, M (Marcell)				Opponent Geldenhuys, M (Marcell)
2	1	Tournament Humansdorp CMC Schools Trials 2024				Tournament Humansdorp CMC Schools Trials 2024
		date 2024-05-10	rnd 4	type Rapid	result 1	date 2024-05-10	rnd 4	type Rapid	result 1
		Opponent Madatt, C (Cohen)				Opponent Madatt, C (Cohen)
3	1	Tournament Humansdorp CMC Schools Trials 2024				Tournament Humansdorp CMC Schools Trials 2024
		date 2024-05-10	rnd 2	type Rapid	result 1	date 2024-05-10	rnd 2	type Rapid	result 1
		Opponent Murry, M (Morgan)				Opponent Murry, M (Morgan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Fountains Mall SBD Open 2025				Tournament Fountains Mall SBD Open 2025
		date 2025-05-17	rnd 2	type Standard	result 1	date 2025-05-17	rnd 4	type Standard	result 1
		Opponent Hammond, C (Clyrique)				Opponent Meshaka, R (Rayline)
2	1	Tournament Humansdorp CMC Schools Trials 2024				Tournament Humansdorp CMC Schools Trials 2024
		date 2024-05-10	rnd 6	type Rapid	result 1	date 2024-05-10	rnd 6	type Rapid	result 1
		Opponent Geldenhuys, M (Marcell)				Opponent Geldenhuys, M (Marcell)
3	1	Tournament Humansdorp CMC Schools Trials 2024				Tournament Humansdorp CMC Schools Trials 2024
		date 2024-05-10	rnd 4	type Rapid	result 1	date 2024-05-10	rnd 4	type Rapid	result 1
		Opponent Madatt, C (Cohen)				Opponent Madatt, C (Cohen)

#	Games	Start				End
1	3	Tournament Fountains Mall SBD Open 2025				Tournament Fountains Mall SBD Open 2025
		date 2025-05-17	rnd 2	type Standard	result 1	date 2025-05-17	rnd 4	type Standard	result 1
		Opponent Hammond, C (Clyrique)				Opponent Meshaka, R (Rayline)
2	1	Tournament SBDCU Open 2024				Tournament SBDCU Open 2024
		date 2024-02-10	rnd 5	type Standard	result 1	date 2024-02-10	rnd 5	type Standard	result 1
		Opponent Bronkhorst, A (Annemicke)				Opponent Bronkhorst, A (Annemicke)
3	1	Tournament SBDCU Open 2024				Tournament SBDCU Open 2024
		date 2024-02-10	rnd 2	type Standard	result 1	date 2024-02-10	rnd 2	type Standard	result 1
		Opponent Van Rooyen, M (Maggie)				Opponent Van Rooyen, M (Maggie)

#	Games	Start				End
1	1	Tournament Humansdorp CMC Schools Trials 2024				Tournament Humansdorp CMC Schools Trials 2024
		date 2024-05-10	rnd 6	type Rapid	result 1	date 2024-05-10	rnd 6	type Rapid	result 1
		Opponent Geldenhuys, M (Marcell)				Opponent Geldenhuys, M (Marcell)
2	1	Tournament Humansdorp CMC Schools Trials 2024				Tournament Humansdorp CMC Schools Trials 2024
		date 2024-05-10	rnd 4	type Rapid	result 1	date 2024-05-10	rnd 4	type Rapid	result 1
		Opponent Madatt, C (Cohen)				Opponent Madatt, C (Cohen)
3	1	Tournament Humansdorp CMC Schools Trials 2024				Tournament Humansdorp CMC Schools Trials 2024
		date 2024-05-10	rnd 2	type Rapid	result 1	date 2024-05-10	rnd 2	type Rapid	result 1
		Opponent Murry, M (Morgan)				Opponent Murry, M (Morgan)

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	Titus ,S (Sade Catherine)	2	1	0	2	1	0	0	0	0	0	0	0
1	Titus ,S (Sade Catherine)	2	1243.4	1243.4	2	1255.7	1243.4	0	0	0	0	0	0
2	Simanase ,N (Nkosisiphile)	2	0	-425	1	0	-425	1	0	-425	0	0	0
2	Simanase ,N (Nkosisiphile)	2	1297.3	872.3	1	1332.5	872.3	1	1259.1	872.3	0	0	0
3	Stantcheva ,D (Damon)	2	0	-425	1	0	-425	1	0	-425	0	0	0
3	Stantcheva ,D (Damon)	2	1266.9	841.9	1	1205.3	841.9	1	1203.2	841.9	0	0	0
4	Prinsloo ,D (Dawid)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
4	Prinsloo ,D (Dawid)	1	1207	1207	1	1246.3	1207	0	0	0	0	0	0
5	Bronkhorst ,A (Annemicke)	1	1	425	1	1	425	0	0	0	0	0	0
5	Bronkhorst ,A (Annemicke)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Pietersen ,L (Leandre)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
6	Pietersen ,L (Leandre)	1	1180.4	1180.4	1	1179.2	1180.4	0	0	0	0	0	0
7	Stuurman ,P (Pedro)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Stuurman ,P (Pedro)	1	1412.8	987.8	1	1321.7	987.8	0	0	0	0	0	0
8	Le Grange ,T (Tailyn)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Le Grange ,T (Tailyn)	1	1376.7	951.7	1	1401.9	951.7	0	0	0	0	0	0
9	Bekker ,P (Petrus G)	1	1	425	1	1	425	0	0	0	0	0	0
9	Bekker ,P (Petrus G)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Van Rooyen ,M (Maggie)	1	1	425	1	1	425	0	0	0	0	0	0
10	Van Rooyen ,M (Maggie)	1	1200	1625	1	1200	1625	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Bronkhorst, J (Johan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms