Chess South Africa Ratings Database

PLAYER PAGE

Personal

De Villiers, K (Konrad)

Chess SA id

1100107431

FIDE id

Date of birth

2010-02-11 (U16)

Gender

Male

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-08-18

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1396.5	1392.8	1200	1200
Raw rating	1396.5	1392.8	1200	1200
Weighted rating	1396.5	1392.8	1200	1200
Weighted performance	1012.5	1009.8	0	0
Floor	896.5	892.8	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	125.3	126	165.8	165.8
Highest rating	1396.5 2024-02-01	1392.8 2024-02-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1396.5 2024-02-01	1392.8 2024-02-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1396.5 2025-07-01	1392.8 2025-07-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1366.6 2023-08-01	1362.9 2023-08-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1396.5	1392.8	1200	1200
Analysis
Rating	1396.5	1392.8	1200	1200
Raw rating	1396.5	1392.8	1200	1200
Weighted rating	1396.5	1392.8	1200
Weighted performance	1012.5	1009.8	0
K-factor	36	36	36	36
Floor	896.5	892.8	700	700
Max/Min rating change allowed	125.3	126	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	1396.5	1392.8	1200	1200
New weighted rating	1396.5	1392.8	1200	1200
New weighted performance	1012	1009.3	0	0
Temp new rating	1396.5	1392.8	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1396.5	1392.8	1200	1200
New K-factor	36	36	36	36
New floor	896.5	892.8	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	15	15
	4	4
	0	0
History	74	74

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Sedibeng (GSV)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	74	40.5	54.73	40.2	1143.6	1183.8
Standard	74	40.5	54.73	40.2	1143.6	1183.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1396.5	1392.8	1200	1200
2025-09-01	1396.5	1392.8	1200	1200
2025-08-01	1396.5	1392.8	1200	1200
2025-07-01	1396.5	1392.8	1200	1200
2025-06-01	1396.5	1392.8	1200	1200
2025-05-01	1396.5	1392.8	1200	1200
2025-04-01	1396.5	1392.8	1200	1200
2025-03-01	1396.5	1392.8	1200	1200
2025-02-01	1396.5	1392.8	1200	1200
2025-01-01	1396.5	1392.8	1200	1200
2024-12-01	1396.5	1392.8	1200	1200
2024-11-01	1396.5	1392.8	1200	1200
2024-10-01	1396.5	1392.8	1200	1200
2024-09-01	1396.5	1392.8	1200	1200
2024-08-01	1396.5	1392.8	1200	1200
2024-07-01	1396.5	1392.8	1200	1200
2024-06-01	1396.5	1392.8	1200	1200
2024-08-01	1396.5	1392.8	1200	1200
2024-04-01	1396.5	1392.8	1200	1200
2024-03-01	1396.5	1392.8	1200	1200
2024-02-01	1396.5	1392.8	1200	1200
2024-01-01	1396.5	1392.8	1200	1200
2023-12-01	1396.5	1392.8	1200	1200
2023-11-01	1396.5	1392.8	1200	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	2023 Gauteng Top Schools (U13 Mixed)	2023-08-18	2023-08-18	Standard	West Rand (GWR)	5	5	3.5	Yes	Analysis
2	2023 Sedibeng West District Schools Chess Tournament (U13)	2023-08-12	2023-08-12	Standard	Sedibeng (GSV)	5	5	5	Yes	Analysis
3	Hoerskool Drie Riviere Open 2023 (D)	2023-03-11	2023-03-11	Standard	Sedibeng (GSV)	5	5	4.5	Yes	Analysis
4	2022 Gauteng Schools Team Championships (U13 Open)	2022-08-27	2022-08-27	Standard	Tshwane (GTP)	5	4	1.5	Yes	Analysis
5	Drie Riviere Open 2022 (D)	2022-02-18	2022-02-18	Standard	Sedibeng (GSV)	5	0	0	No	Analysis
6	Hoerskool Drie Riviere 2020 (C)	2020-03-07	2020-03-07	Standard	Sedibeng (GSV)	5	4	2	Yes	Analysis
7	2019 South African Junior Team Championships (U10C)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	4	Yes	Analysis
8	Sedibeng DF Malherbe Open 2019 (C)	2019-10-12	2019-10-12	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
9	Fonteine Ope 2019 (C)	2019-10-19	2019-10-19	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
10	GE vs GSV Inter Regional 2019 (U12B)	2019-10-26	2019-10-26	Standard	Ekurhuleni (GE)	5	5	1	Yes	Analysis
11	Sedibeng Heritageday Open 2019 (B)	2019-09-24	2019-09-24	Standard	Sedibeng (GSV)	5	5	1	Yes	Analysis
12	Vaal Chess Club Open 2019 (D)	2019-06-01	2019-06-01	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
13	Drie Riviere Open 2019 (D)	2019-06-08	2019-06-08	Standard	Sedibeng (GSV)	5	0	0	No	Analysis
14	Dirk de Koster Chess Open 2019 (D)	2019-04-13	2019-04-13	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
15	Carels Open 2019 (D)	2019-03-02	2019-03-02	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
16	2019 Hervormde Kerk (U10A)	2019-03-09	2019-03-09	Standard	Dr Kenneth Kaunda (NWP)	5	4	1	Yes	Analysis
17	Eagle`s Open 2018 (D)	2018-12-07	2018-12-07	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis

#	Games	Start				End
1	13	Tournament 2022 Gauteng Schools Team Championships				Tournament 2023 Gauteng Top Schools
		date 2022-08-27	rnd 3	type Standard	result 1	date 2023-08-18	rnd 1	type Standard	result 1
		Opponent Snyders, H (Heinrich)				Opponent Esterhuizen, D (Declan)
2	6	Tournament Eagle`s Open 2018				Tournament Carels Open 2019
		date 2018-12-07	rnd 5	type Standard	result 1	date 2019-03-02	rnd 5	type Standard	result 1
		Opponent Chamo, M (Mpho)				Opponent Odendaal, H (Hayden)
3	4	Tournament Dirk de Koster Chess Open 2019				Tournament Vaal Chess Club Open 2019
		date 2019-04-13	rnd 3	type Standard	result 0.5	date 2019-06-01	rnd 1	type Standard	result 1
		Opponent Els, JA (Jeffrey Allan)				Opponent Barrett, A (Adrielle)

#	Games	Start				End
1	13	Tournament 2022 Gauteng Schools Team Championships				Tournament 2023 Gauteng Top Schools
		date 2022-08-27	rnd 3	type Standard	result 1	date 2023-08-18	rnd 1	type Standard	result 1
		Opponent Snyders, H (Heinrich)				Opponent Esterhuizen, D (Declan)
2	6	Tournament Eagle`s Open 2018				Tournament Carels Open 2019
		date 2018-12-07	rnd 5	type Standard	result 1	date 2019-03-02	rnd 5	type Standard	result 1
		Opponent Chamo, M (Mpho)				Opponent Odendaal, H (Hayden)
3	4	Tournament Dirk de Koster Chess Open 2019				Tournament Vaal Chess Club Open 2019
		date 2019-04-13	rnd 3	type Standard	result 0.5	date 2019-06-01	rnd 1	type Standard	result 1
		Opponent Els, JA (Jeffrey Allan)				Opponent Barrett, A (Adrielle)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament 2023 Sedibeng West District Schools Chess Tournament				Tournament 2023 Gauteng Top Schools
		date 2023-08-12	rnd 1	type Standard	result 1	date 2023-08-18	rnd 1	type Standard	result 1
		Opponent Tsolo, B (Banele)				Opponent Esterhuizen, D (Declan)
2	4	Tournament Hoerskool Drie Riviere Open 2023				Tournament Hoerskool Drie Riviere Open 2023
		date 2023-03-11	rnd 1	type Standard	result 1	date 2023-03-11	rnd 4	type Standard	result 1
		Opponent Moalosi, M (Maqhawe)				Opponent Masilo, R (Rendane)
3	2	Tournament Hoerskool Drie Riviere 2020				Tournament Hoerskool Drie Riviere 2020
		date 2020-03-07	rnd 3	type Standard	result 1	date 2020-03-07	rnd 4	type Standard	result 1
		Opponent Van Werkhoven, S (Stian)				Opponent Brijan, K (Khetin)

#	Games	Start				End
1	6	Tournament 2023 Sedibeng West District Schools Chess Tournament				Tournament 2023 Gauteng Top Schools
		date 2023-08-12	rnd 1	type Standard	result 1	date 2023-08-18	rnd 1	type Standard	result 1
		Opponent Tsolo, B (Banele)				Opponent Esterhuizen, D (Declan)
2	4	Tournament Hoerskool Drie Riviere Open 2023				Tournament Hoerskool Drie Riviere Open 2023
		date 2023-03-11	rnd 1	type Standard	result 1	date 2023-03-11	rnd 4	type Standard	result 1
		Opponent Moalosi, M (Maqhawe)				Opponent Masilo, R (Rendane)
3	2	Tournament Hoerskool Drie Riviere 2020				Tournament Hoerskool Drie Riviere 2020
		date 2020-03-07	rnd 3	type Standard	result 1	date 2020-03-07	rnd 4	type Standard	result 1
		Opponent Van Werkhoven, S (Stian)				Opponent Brijan, K (Khetin)

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	Sithole ,O (Ofentse)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Sithole ,O (Ofentse)	2	1174.6	749.6	2	1161.1	749.6	0	0	0	0	0	0
2	Van Zyl ,I (Ilane)	2	1	0	2	1	0	0	0	0	0	0	0
2	Van Zyl ,I (Ilane)	2	1089.2	1089.2	2	1084.4	1089.2	0	0	0	0	0	0
3	Majola ,O (Omphile)	2	1	0	2	1	0	0	0	0	0	0	0
3	Majola ,O (Omphile)	2	1107.8	1107.8	2	1097.8	1107.8	0	0	0	0	0	0
4	Tshabalala ,R (Reatlaretse)	2	1	0	2	1	0	0	0	0	0	0	0
4	Tshabalala ,R (Reatlaretse)	2	1205.9	1205.9	2	1189.1	1205.9	0	0	0	0	0	0
5	Mittermaier ,G (Gunther)	2	1	0	2	1	0	0	0	0	0	0	0
5	Mittermaier ,G (Gunther)	2	1111.2	1111.2	2	1100.5	1111.2	0	0	0	0	0	0
6	Goosen ,L (Lucuis)	1	1	425	1	1	425	0	0	0	0	0	0
6	Goosen ,L (Lucuis)	1	1183.3	1608.3	1	1181.5	1608.3	0	0	0	0	0	0
7	Naidoo ,K (Kajol)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Naidoo ,K (Kajol)	1	1343.8	918.8	1	1336.4	918.8	0	0	0	0	0	0
8	Van Werkhoven ,S (Stian)	1	1	425	1	1	425	0	0	0	0	0	0
8	Van Werkhoven ,S (Stian)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Weber ,KP (Keagan Peter)	1	1	425	1	1	425	0	0	0	0	0	0
9	Weber ,KP (Keagan Peter)	1	1025.4	1450.4	1	1016.4	1450.4	0	0	0	0	0	0
10	Snyders ,H (Heinrich)	1	1	425	1	1	425	0	0	0	0	0	0
10	Snyders ,H (Heinrich)	1	1200	1625	1	1200	1625	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

De Villiers, K (Konrad)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms