Chess South Africa Ratings Database

PLAYER PAGE

Personal

Beifus, D (Dean)

Chess SA id

1740306861

FIDE id

Date of birth

1974-11-22 (Adult)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-03-22

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1216.3	1219.4	1200	1200
Raw rating	1216.3	1219.4	1200	1200
Weighted rating	1213.5	1216.2	1200	1200
Weighted performance	0	0	0	0
Floor	716.3	719.4	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	162	161.3	165.8	165.8
Highest rating	1288.4 2024-07-01	1287.6 2024-07-01	1200 2024-10-01	1200 2024-10-01
Highest raw rating	1216.3 2025-04-01	1219.4 2025-04-01	1200 2024-10-01	1200 2024-10-01
Highest weighted rating	1216.3 2024-10-01	1219.4 2024-10-01	1200 2024-10-01	1200 2024-10-01
Highest weighted performance	1288.4 2024-07-01	1287.6 2024-07-01	1200 2024-10-01	1200 2024-10-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1216.3	1219.4	1200	1200
Analysis
Rating	1216.3	1219.4	1200	1200
Raw rating	1216.3	1219.4	1200	1200
Weighted rating	1213.5	1216.2	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	716.3	719.4	700	700
Max/Min rating change allowed	162	161.3	165.8	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	1216.3	1219.4	1200	1200
New weighted rating	1214	1216.8	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1216.3	1219.4	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1216.3	1219.4	1200	1200
New K-factor	36	36	36	36
New floor	716.3	719.4	700	700

Item	Main	Standard
	0	0
	4	4
	5	5
	0	0
	0	0
	0	0
History	9	9

Games since
	Main 9	Standard 9		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
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	4	1	25	-212.5	1448.1	1235.6
Standard	4	1	25	-212.5	1448.1	1235.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	9	3.5	38.89	-94.4	1354.8	1260.3
Standard	9	3.5	38.89	-94.4	1354.8	1260.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1216.3	1219.4	1200	1200
2025-09-30	1216.3	1219.4	1200	1200
2025-09-01	1216.3	1219.4	1200	1200
2025-08-01	1216.3	1219.4	1200	1200
2025-07-01	1216.3	1219.4	1200	1200
2025-06-01	1216.3	1219.4	1200	1200
2025-05-01	1216.3	1219.4	1200	1200
2025-04-01	1216.3	1219.4	1200	1200
2025-03-01	1213.6	1216.8	1200	1200
2025-02-01	1213.6	1216.8	1200	1200
2025-01-01	1213.6	1216.8	1200	1200
2024-12-01	1213.6	1216.8	1200	1200
2024-11-01	1213.6	1216.8	1200	1200
2024-10-01	1213.6	1216.8	1200	1200
2024-09-01	1213.6	1216.8	1200	1200
2024-08-01	1213.6	1216.8	1200	1200
2024-07-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-05-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	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	Chess Power House March Open 2025 (B)	2025-03-22	2025-03-22	Standard	Johannesburg Metro (GJM)	5	4	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Chess Power House March Open 2025 (B)	2025-03-22	2025-03-22	Standard	Johannesburg Metro (GJM)	5	4	1	Yes	Analysis
2	Chess Power House July Open 2024 (B)	2024-07-20	2024-07-20	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	3	Tournament Chess Power House July Open 2024				Tournament Chess Power House July Open 2024
		date 2024-07-20	rnd 3	type Standard	result 1	date 2024-07-20	rnd 5	type Standard	result 0.5
		Opponent Voogt, R (Ruan)				Opponent Butler, K (Kayla)
2	1	Tournament Chess Power House March Open 2025				Tournament Chess Power House March Open 2025
		date 2025-03-22	rnd 5	type Standard	result 1	date 2025-03-22	rnd 5	type Standard	result 1
		Opponent Van Dyk, T (Tayla)				Opponent Van Dyk, T (Tayla)

#	Games	Start				End
1	3	Tournament Chess Power House July Open 2024				Tournament Chess Power House July Open 2024
		date 2024-07-20	rnd 3	type Standard	result 1	date 2024-07-20	rnd 5	type Standard	result 0.5
		Opponent Voogt, R (Ruan)				Opponent Butler, K (Kayla)
2	1	Tournament Chess Power House March Open 2025				Tournament Chess Power House March Open 2025
		date 2025-03-22	rnd 5	type Standard	result 1	date 2025-03-22	rnd 5	type Standard	result 1
		Opponent Van Dyk, T (Tayla)				Opponent Van Dyk, T (Tayla)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Chess Power House July Open 2024				Tournament Chess Power House July Open 2024
		date 2024-07-20	rnd 3	type Standard	result 1	date 2024-07-20	rnd 4	type Standard	result 1
		Opponent Voogt, R (Ruan)				Opponent Smith, W (William)
2	1	Tournament Chess Power House March Open 2025				Tournament Chess Power House March Open 2025
		date 2025-03-22	rnd 5	type Standard	result 1	date 2025-03-22	rnd 5	type Standard	result 1
		Opponent Van Dyk, T (Tayla)				Opponent Van Dyk, T (Tayla)

#	Games	Start				End
1	2	Tournament Chess Power House July Open 2024				Tournament Chess Power House July Open 2024
		date 2024-07-20	rnd 3	type Standard	result 1	date 2024-07-20	rnd 4	type Standard	result 1
		Opponent Voogt, R (Ruan)				Opponent Smith, W (William)
2	1	Tournament Chess Power House March Open 2025				Tournament Chess Power House March Open 2025
		date 2025-03-22	rnd 5	type Standard	result 1	date 2025-03-22	rnd 5	type Standard	result 1
		Opponent Van Dyk, T (Tayla)				Opponent Van Dyk, T (Tayla)

No games found.

#	Games	Start				End

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	Beifus ,A (Aiden)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Beifus ,A (Aiden)	2	1271.8	846.8	2	1257.2	846.8	0	0	0	0	0	0
2	Butler ,K (Kayla)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
2	Butler ,K (Kayla)	1	1391.1	1391.1	1	1394.3	1391.1	0	0	0	0	0	0
3	Chen ,X (Xi)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Chen ,X (Xi)	1	1339.1	914.1	1	1351.4	914.1	0	0	0	0	0	0
4	Van Dyk ,TM (Tayla Mila)	1	1	425	1	1	425	0	0	0	0	0	0
4	Van Dyk ,TM (Tayla Mila)	1	1469.4	1894.4	1	1458.3	1894.4	0	0	0	0	0	0
5	Smith ,W (William)	1	1	425	1	1	425	0	0	0	0	0	0
5	Smith ,W (William)	1	1236.2	1661.2	1	1234.6	1661.2	0	0	0	0	0	0
6	Voogt ,R (Ruan)	1	1	425	1	1	425	0	0	0	0	0	0
6	Voogt ,R (Ruan)	1	1282.1	1707.1	1	1287.3	1707.1	0	0	0	0	0	0
7	Venter ,C (Christiaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Venter ,C (Christiaan)	1	1488.5	1063.5	1	1484.6	1063.5	0	0	0	0	0	0
8	Mphasha ,ME (Morwa Elsius)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Mphasha ,ME (Morwa Elsius)	1	1443	1018	1	1459.5	1018	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Beifus, D (Dean)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms