Chess South Africa Ratings Database

PLAYER PAGE

Personal

Bronkhorst, J (Joachim)

Chess SA id

109088681

FIDE id

Date of birth

2009-05-04 (U18)

Gender

Male

Region

Buffalo City (EBC)

Citizen

RSA

Titles

Chess SA registered

Last active game

2018-08-18

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1261.2	1267.4	1221.6	1200
Raw rating	1261.2	1267.4	1221.6	1200
Weighted rating	1261.2	1267.4	1221.6	1200
Weighted performance	89.6	0	0	0
Floor	763.6	772.8	721.6	700
K-factor	36	36	36	36
Min/Max rating change allowed	152	150.6	160.8	165.8
Highest rating	1408.2 2018-03-01	1409.5 2018-03-01	1266.3 2018-04-01	1200 2018-10-01
Highest raw rating	1263.6 2018-05-01	1272.8 2018-04-01	1221.6 2024-02-01	1200 2024-02-01
Highest weighted rating	1263.6 2024-02-01	1272.8 2024-02-01	1221.6 2025-02-01	1200 2018-10-01
Highest weighted performance	1408.2 2018-03-01	1409.5 2018-03-01	1266.3 2018-04-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1261.2	1267.4	1221.6	1200
Analysis
Rating	1261.2	1267.4	1221.6	1200
Raw rating	1261.2	1267.4	1221.6	1200
Weighted rating	1261.2	1267.4	1221.6
Weighted performance	89.6	0	0
K-factor	36	36	36	36
Floor	763.6	772.8	721.6	700
Max/Min rating change allowed	152	150.6	160.8	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	1261.2	1267.4	1221.6	1200
New weighted rating	1261.2	1267.4	1221.6	1200
New weighted performance	82.2	0	0	0
Temp new rating	1261.2	1267.4	1221.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1261.2	1267.4	1221.6	1200
New K-factor	36	36	36	36
New floor	763.6	772.8	721.6	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	36	29	7

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Buffalo City (EBC)
Province	Eastern Cape (EC)
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	27	16.5	61.11	94.4	1208.1	1302.5
Standard	20	12.5	62.5	106.2	1206.6	1312.8
Rapid	7	4	57.14	60.7	1212.2	1272.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1261.2	1267.4	1221.6	1200
2025-09-30	1261.2	1267.4	1221.6	1200
2025-09-01	1261.2	1267.4	1221.6	1200
2025-08-01	1261.2	1267.4	1221.6	1200
2025-07-01	1261.2	1267.4	1221.6	1200
2025-06-01	1261.2	1267.4	1221.6	1200
2025-05-01	1261.2	1267.4	1221.6	1200
2025-04-01	1261.2	1267.4	1221.6	1200
2025-03-01	1261.2	1267.4	1221.6	1200
2025-02-01	1261.2	1267.4	1221.6	1200
2025-01-01	1261.2	1267.4	1221.6	1200
2024-12-01	1261.2	1267.4	1221.6	1200
2024-11-01	1261.2	1267.4	1221.6	1200
2024-10-01	1261.2	1267.4	1221.6	1200
2024-09-01	1261.2	1267.4	1221.6	1200
2024-08-01	1261.2	1267.4	1221.6	1200
2024-07-01	1261.2	1267.4	1221.6	1200
2024-09-01	1261.2	1267.4	1221.6	1200
2024-05-01	1261.2	1267.4	1221.6	1200
2024-04-01	1261.2	1267.4	1221.6	1200
2024-03-01	1261.2	1267.4	1221.6	1200
2024-02-01	1261.2	1267.4	1221.6	1200
2024-01-01	1261.2	1267.4	1221.6	1200
2023-12-01	1261.2	1267.4	1221.6	1200

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	East London School League 2018 (Foundation)	2018-08-18	2018-08-18	Standard	Buffalo City (EBC)	5	5	3.5	Yes	Analysis
2	4th Buffalo Trials 2018 (U10B)	2018-05-05	2018-05-05	Standard	Buffalo City (EBC)	5	5	2	Yes	Analysis
3	3rd Buffalo Trials 2018 (U10B)	2018-04-14	2018-04-14	Rapid	Buffalo City (EBC)	7	7	4	Yes	Analysis
4	2nd Buffalo Trials 2018 (U8B+U10B)	2018-03-17	2018-03-17	Standard	Buffalo City (EBC)	5	5	4	Yes	Analysis
5	Buffalo City 1st Chess Trials 2018 (U8B+U10B)	2018-02-17	2018-02-17	Standard	Buffalo City (EBC)	5	5	3	Yes	Analysis

#	Games	Start				End
1	6	Tournament 2nd Buffalo Trials 2018				Tournament 3rd Buffalo Trials 2018
		date 2018-03-17	rnd 4	type Standard	result 1	date 2018-04-14	rnd 4	type Rapid	result 0.5
		Opponent Woko, T (Tshepo)				Opponent Taylor, A (Andrew)
2	5	Tournament 4th Buffalo Trials 2018				Tournament East London School League 2018
		date 2018-05-05	rnd 5	type Standard	result 1	date 2018-08-18	rnd 4	type Standard	result 1
		Opponent Froneman, A (Alex)				Opponent Capa, T (Thando)
3	4	Tournament Buffalo City 1st Chess Trials 2018				Tournament 2nd Buffalo Trials 2018
		date 2018-02-17	rnd 4	type Standard	result 0.5	date 2018-03-17	rnd 2	type Standard	result 1
		Opponent Cetyiwe, A (Asamele)				Opponent Mitchell, K (Keanu)

#	Games	Start				End
1	5	Tournament 4th Buffalo Trials 2018				Tournament East London School League 2018
		date 2018-05-05	rnd 5	type Standard	result 1	date 2018-08-18	rnd 4	type Standard	result 1
		Opponent Froneman, A (Alex)				Opponent Capa, T (Thando)
2	4	Tournament Buffalo City 1st Chess Trials 2018				Tournament 2nd Buffalo Trials 2018
		date 2018-02-17	rnd 4	type Standard	result 0.5	date 2018-03-17	rnd 2	type Standard	result 1
		Opponent Cetyiwe, A (Asamele)				Opponent Mitchell, K (Keanu)
3	2	Tournament 2nd Buffalo Trials 2018				Tournament 2nd Buffalo Trials 2018
		date 2018-03-17	rnd 4	type Standard	result 1	date 2018-03-17	rnd 5	type Standard	result 1
		Opponent Woko, T (Tshepo)				Opponent Ningi, K (Kwezikazi)

#	Games	Start				End
1	4	Tournament 3rd Buffalo Trials 2018				Tournament 3rd Buffalo Trials 2018
		date 2018-04-14	rnd 1	type Rapid	result 0.5	date 2018-04-14	rnd 4	type Rapid	result 0.5
		Opponent Ningi, K (Kwezikazi)				Opponent Taylor, A (Andrew)
2	1	Tournament 3rd Buffalo Trials 2018				Tournament 3rd Buffalo Trials 2018
		date 2018-04-14	rnd 7	type Rapid	result 1	date 2018-04-14	rnd 7	type Rapid	result 1
		Opponent Mitchell, K (Keanu)				Opponent Mitchell, K (Keanu)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament East London School League 2018				Tournament East London School League 2018
		date 2018-08-18	rnd 3	type Standard	result 1	date 2018-08-18	rnd 4	type Standard	result 1
		Opponent Sogwedla, O (Olunje)				Opponent Capa, T (Thando)
2	2	Tournament 4th Buffalo Trials 2018				Tournament East London School League 2018
		date 2018-05-05	rnd 5	type Standard	result 1	date 2018-08-18	rnd 1	type Standard	result 1
		Opponent Froneman, A (Alex)				Opponent Radhanlal, V (Vignesh)
3	2	Tournament 3rd Buffalo Trials 2018				Tournament 3rd Buffalo Trials 2018
		date 2018-04-14	rnd 2	type Rapid	result 1	date 2018-04-14	rnd 3	type Rapid	result 1
		Opponent Kosani, L (Lunje)				Opponent Van Dyk, D (Danielle)

#	Games	Start				End
1	2	Tournament East London School League 2018				Tournament East London School League 2018
		date 2018-08-18	rnd 3	type Standard	result 1	date 2018-08-18	rnd 4	type Standard	result 1
		Opponent Sogwedla, O (Olunje)				Opponent Capa, T (Thando)
2	2	Tournament 4th Buffalo Trials 2018				Tournament East London School League 2018
		date 2018-05-05	rnd 5	type Standard	result 1	date 2018-08-18	rnd 1	type Standard	result 1
		Opponent Froneman, A (Alex)				Opponent Radhanlal, V (Vignesh)
3	2	Tournament 2nd Buffalo Trials 2018				Tournament 2nd Buffalo Trials 2018
		date 2018-03-17	rnd 4	type Standard	result 1	date 2018-03-17	rnd 5	type Standard	result 1
		Opponent Woko, T (Tshepo)				Opponent Ningi, K (Kwezikazi)

#	Games	Start				End
1	2	Tournament 3rd Buffalo Trials 2018				Tournament 3rd Buffalo Trials 2018
		date 2018-04-14	rnd 2	type Rapid	result 1	date 2018-04-14	rnd 3	type Rapid	result 1
		Opponent Kosani, L (Lunje)				Opponent Van Dyk, D (Danielle)
2	1	Tournament 3rd Buffalo Trials 2018				Tournament 3rd Buffalo Trials 2018
		date 2018-04-14	rnd 7	type Rapid	result 1	date 2018-04-14	rnd 7	type Rapid	result 1
		Opponent Mitchell, K (Keanu)				Opponent Mitchell, K (Keanu)

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	Voyi ,T (Thando)	3	0	-425	2	0	-425	1	0	-425	0	0	0
1	Voyi ,T (Thando)	3	1275.4	850.4	2	1249.2	850.4	1	1200	850.4	0	0	0
2	Capa ,T (Thando)	2	1	0	2	1	0	0	0	0	0	0	0
2	Capa ,T (Thando)	2	1255.2	1255.2	2	1247.4	1255.2	0	0	0	0	0	0
3	Ningi ,K (Kwezikazi)	2	1.5	212.5	1	1	425	1	0.5	0	0	0	0
3	Ningi ,K (Kwezikazi)	2	1224.1	1436.6	1	1221.6	1649.1	1	1200	1224.1	0	0	0
4	Driffield ,G (Gary)	2	0	-425	1	0	-425	1	0	-425	0	0	0
4	Driffield ,G (Gary)	2	1233	808	1	1200	808	1	1200	808	0	0	0
5	Mitchell ,K (Keanu)	2	2	425	1	1	425	1	1	425	0	0	0
5	Mitchell ,K (Keanu)	2	1185.1	1610.1	1	1178.4	1610.1	1	1200	1610.1	0	0	0
6	Kosani ,L (Lunje)	2	2	425	1	1	425	1	1	425	0	0	0
6	Kosani ,L (Lunje)	2	1161.5	1586.5	1	1200	1586.5	1	1200	1586.5	0	0	0
7	Taylor ,A (Andrew)	2	1	0	1	0.5	0	1	0.5	0	0	0	0
7	Taylor ,A (Andrew)	2	1249.3	1249.3	1	1270	1249.3	1	1200	1249.3	0	0	0
8	Botha ,T (Tyler)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Botha ,T (Tyler)	1	1156.4	731.4	1	1212.4	731.4	0	0	0	0	0	0
9	Woko ,T (Tshepo)	1	1	425	1	1	425	0	0	0	0	0	0
9	Woko ,T (Tshepo)	1	1182.1	1607.1	1	1178.4	1607.1	0	0	0	0	0	0
10	Cetyiwe ,A (Asamele)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
10	Cetyiwe ,A (Asamele)	1	1200	1200	1	1200	1200	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 (Joachim)

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