Chess South Africa Ratings Database

PLAYER PAGE

Personal

Byman, D (Duran)

Chess SA id

193094438

FIDE id

Date of birth

1993-12-27 (Adult)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-09-09

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1145.5	1128	1188.8	1200
Raw rating	1145.5	1128	1188.8	1200
Weighted rating	1145.5	1128	1188.8	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	179.2	183.7	168.5	165.8
Highest rating	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2018-02-01	1200 2018-02-01	1200 2019-12-01	1200 2024-03-01
Highest weighted rating	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1200 2019-12-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1145.5	1128	1188.8	1200
Analysis
Rating	1145.5	1128	1188.8	1200
Raw rating	1145.5	1128	1188.8	1200
Weighted rating	1145.5	1128	1188.8
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	179.2	183.7	168.5	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	1145.5	1128	1188.8	1200
New weighted rating	1145.5	1128	1188.8	1200
New weighted performance	0	0	0	0
Temp new rating	1145.5	1128	1188.8	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1145.5	1128	1188.8	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	4	4	0
	6	0	6
	0	0	0
History	18	12	6

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Cape Town (WCT)
Province	Western Cape (WC)
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	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	18	4.5	25	-212.5	1327.5	1115
Standard	12	2	16.67	-283.3	1347.6	1064.3
Rapid	6	2.5	41.67	-70.8	1287.2	1216.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1145.5	1128	1188.8	1200
2025-09-01	1145.5	1128	1188.8	1200
2025-08-01	1145.5	1128	1188.8	1200
2025-07-01	1145.5	1128	1188.8	1200
2025-06-01	1145.5	1128	1188.8	1200
2025-05-01	1145.5	1128	1188.8	1200
2025-04-01	1145.5	1128	1188.8	1200
2025-03-01	1145.5	1128	1188.8	1200
2025-02-01	1145.5	1128	1188.8	1200
2025-01-01	1145.5	1128	1188.8	1200
2024-12-01	1145.5	1128	1188.8	1200
2024-11-01	1145.5	1128	1188.8	1200
2024-10-01	1145.5	1128	1188.8	1200
2024-09-01	1145.5	1128	1188.8	1200
2024-08-01	1145.5	1128	1188.8	1200
2024-07-01	1145.5	1128	1188.8	1200
2024-06-01	1145.5	1128	1188.8	1200
2024-08-01	1145.5	1128	1188.8	1200
2024-04-01	1145.5	1128	1188.8	1200
2024-03-01	1145.5	1128	1188.8	1200
2024-02-01	1145.5	1128	1188.8	1200
2024-01-01	1145.5	1128	1188.8	1200
2023-12-01	1145.5	1128	1188.8	1200
2023-11-01	1145.5	1128	1188.8	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	WP Club League 2023 (B)	2023-07-29	2023-09-09	Standard	Cape Town (WCT)	11	4	1	Yes	Analysis
2	Summer Slam 2022 (B)	2022-12-13	2022-12-13	Rapid	Cape Town (WCT)	6	6	2.5	Yes	Analysis
3	2019 Western Province League (B)	2019-07-27	2019-09-07	Standard	Cape Town (WCT)	11	1	0	Yes	Analysis
4	2018 Western Province League (B)	2018-08-04	2018-09-15	Standard	Cape Town (WCT)	11	7	1	Yes	Analysis

#	Games	Start				End
1	2	Tournament Summer Slam 2022				Tournament Summer Slam 2022
		date 2022-12-13	rnd 3	type Rapid	result 1	date 2022-12-13	rnd 4	type Rapid	result 1
		Opponent Peters, V (Vanchasco)				Opponent Adams, I (Iegshaan)
2	1	Tournament WP Club League 2023				Tournament WP Club League 2023
		date 2023-08-05	rnd 3	type Standard	result 1	date 2023-08-05	rnd 3	type Standard	result 1
		Opponent Ndlovu, A (Andile)				Opponent Ndlovu, A (Andile)
3	1	Tournament Summer Slam 2022				Tournament Summer Slam 2022
		date 2022-12-13	rnd 1	type Rapid	result 0.5	date 2022-12-13	rnd 1	type Rapid	result 0.5
		Opponent Mthi, Y (Yamkela)				Opponent Mthi, Y (Yamkela)

#	Games	Start				End
1	1	Tournament WP Club League 2023				Tournament WP Club League 2023
		date 2023-08-05	rnd 3	type Standard	result 1	date 2023-08-05	rnd 3	type Standard	result 1
		Opponent Ndlovu, A (Andile)				Opponent Ndlovu, A (Andile)
2	1	Tournament 2018 Western Province League				Tournament 2018 Western Province League
		date 2018-08-04	rnd 1	type Standard	result 1	date 2018-08-04	rnd 1	type Standard	result 1
		Opponent Maart, R (Ralton)				Opponent Maart, R (Ralton)

#	Games	Start				End
1	2	Tournament Summer Slam 2022				Tournament Summer Slam 2022
		date 2022-12-13	rnd 3	type Rapid	result 1	date 2022-12-13	rnd 4	type Rapid	result 1
		Opponent Peters, V (Vanchasco)				Opponent Adams, I (Iegshaan)
2	1	Tournament Summer Slam 2022				Tournament Summer Slam 2022
		date 2022-12-13	rnd 1	type Rapid	result 0.5	date 2022-12-13	rnd 1	type Rapid	result 0.5
		Opponent Mthi, Y (Yamkela)				Opponent Mthi, Y (Yamkela)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Summer Slam 2022				Tournament Summer Slam 2022
		date 2022-12-13	rnd 3	type Rapid	result 1	date 2022-12-13	rnd 4	type Rapid	result 1
		Opponent Peters, V (Vanchasco)				Opponent Adams, I (Iegshaan)
2	1	Tournament WP Club League 2023				Tournament WP Club League 2023
		date 2023-08-05	rnd 3	type Standard	result 1	date 2023-08-05	rnd 3	type Standard	result 1
		Opponent Ndlovu, A (Andile)				Opponent Ndlovu, A (Andile)
3	1	Tournament 2018 Western Province League				Tournament 2018 Western Province League
		date 2018-08-04	rnd 1	type Standard	result 1	date 2018-08-04	rnd 1	type Standard	result 1
		Opponent Maart, R (Ralton)				Opponent Maart, R (Ralton)

#	Games	Start				End
1	1	Tournament WP Club League 2023				Tournament WP Club League 2023
		date 2023-08-05	rnd 3	type Standard	result 1	date 2023-08-05	rnd 3	type Standard	result 1
		Opponent Ndlovu, A (Andile)				Opponent Ndlovu, A (Andile)
2	1	Tournament 2018 Western Province League				Tournament 2018 Western Province League
		date 2018-08-04	rnd 1	type Standard	result 1	date 2018-08-04	rnd 1	type Standard	result 1
		Opponent Maart, R (Ralton)				Opponent Maart, R (Ralton)

#	Games	Start				End
1	2	Tournament Summer Slam 2022				Tournament Summer Slam 2022
		date 2022-12-13	rnd 3	type Rapid	result 1	date 2022-12-13	rnd 4	type Rapid	result 1
		Opponent Peters, V (Vanchasco)				Opponent Adams, I (Iegshaan)

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	Styer ,G (Garth)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Styer ,G (Garth)	1	1224.1	799.1	1	1200	799.1	0	0	0	0	0	0
2	Maart ,R (Ralton)	1	1	425	1	1	425	0	0	0	0	0	0
2	Maart ,R (Ralton)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Frick ,J (Jacques)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Frick ,J (Jacques)	1	1595.5	1170.5	1	1598.6	1170.5	0	0	0	0	0	0
4	Lau ,C (Callum)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Lau ,C (Callum)	1	1311.9	886.9	1	1262.7	886.9	0	0	0	0	0	0
5	Williams ,DJ (Dale Justin)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Williams ,DJ (Dale Justin)	1	1198.2	773.2	1	1179.3	773.2	0	0	0	0	0	0
6	Clarke ,N (Nathaniel)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Clarke ,N (Nathaniel)	1	1207.1	782.1	1	1215	782.1	0	0	0	0	0	0
7	Ndlovu ,A (Andile)	1	1	425	1	1	425	0	0	0	0	0	0
7	Ndlovu ,A (Andile)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Wolff ,UH (Ulrich Helmut)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Wolff ,UH (Ulrich Helmut)	1	1388.3	963.3	1	1366.5	963.3	0	0	0	0	0	0
9	Ariefdien ,D (Dominique)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Ariefdien ,D (Dominique)	1	1202.5	777.5	1	1206.9	777.5	0	0	0	0	0	0
10	Baruch ,L (Liam)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Baruch ,L (Liam)	1	1278.5	853.5	1	1282.3	853.5	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

Byman, D (Duran)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms