Chess South Africa Ratings Database

PLAYER PAGE

Personal

Duvenhage, LC (Leon Christiaan)

Chess SA id

105008461

FIDE id

Date of birth

2005-10-09 (Adult)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-07-29

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1303.2	1289.5	1105.4	1025.4
Raw rating	1303.2	1289.5	1105.4	1025.4
Weighted rating	1302.8	1289.1	1105.4	1025.4
Weighted performance	758.5	715.8	0	0
Floor	828.6	819.1	605.4	525.4
K-factor	36	36	40	40
Min/Max rating change allowed	143.1	146	189.7	212.6
Highest rating	1328.6 2022-07-01	1319.1 2022-07-01	1299.9 2022-04-01	1200 2024-02-01
Highest raw rating	1328.6 2022-07-01	1319.1 2022-07-01	1105.4 2024-02-01	1025.4 2024-02-01
Highest weighted rating	1328.6 2023-07-01	1319.1 2023-07-01	1105.4 2024-11-01	1025.4 2024-11-01
Highest weighted performance	1313.9 2019-03-01	1312 2019-08-01	1299.9 2022-04-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1303.2	1289.5	1105.4	1025.4
Analysis
Rating	1303.2	1289.5	1105.4	1025.4
Raw rating	1303.2	1289.5	1105.4	1025.4
Weighted rating	1302.8	1289.1	1105.4
Weighted performance	758.5	715.8	0
K-factor	36	36	40	40
Floor	828.6	819.1	605.4	525.4
Max/Min rating change allowed	143.1	146	189.7	212.6
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	1303.2	1289.5	1105.4	1025.4
New weighted rating	1302.9	1289.2	1105.4	1025.4
New weighted performance	758	715.4	0	0
Temp new rating	1303.2	1289.5	1105.4	1025.4
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1303.2	1289.5	1105.4	1025.4
New K-factor	36	36	40	40
New floor	828.6	819.1	605.4	525.4

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	4	4	0
	17	10	7
	9	9	0
History	549	522	27

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Tshwane (GTP)
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	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	143	78	54.55	38.6	1165.7	1204.3
Standard	136	74	54.41	37.5	1157.6	1195.1
Rapid	7	4	57.14	60.7	1324.1	1384.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1303.2	1289.5	1105.4	1025.4
2025-09-01	1303.2	1289.5	1105.4	1025.4
2025-08-01	1303.2	1289.5	1105.4	1025.4
2025-07-01	1303.2	1289.5	1105.4	1025.4
2025-06-01	1303.2	1289.5	1105.4	1025.4
2025-05-01	1303.2	1289.5	1105.4	1025.4
2025-04-01	1303.2	1289.5	1105.4	1025.4
2025-03-01	1303.2	1289.5	1105.4	1025.4
2025-02-01	1303.2	1289.5	1105.4	1025.4
2025-01-01	1302.3	1288.5	1105.4	1025.4
2024-12-01	1302.3	1288.5	1105.4	1025.4
2024-11-01	1302.3	1288.5	1105.4	1025.4
2024-10-01	1302.3	1288.5	1105.4	1025.4
2024-09-01	1302.3	1288.5	1105.4	1025.4
2024-08-01	1302.3	1288.5	1105.4	1025.4
2024-07-01	1302.3	1288.5	1105.4	1025.4
2024-06-01	1302.3	1288.5	1105.4	1025.4
2024-08-01	1302.3	1288.5	1105.4	1025.4
2024-04-01	1302.3	1288.5	1105.4	1025.4
2024-03-01	1302.3	1288.5	1105.4	1025.4
2024-02-01	1302.3	1288.5	1105.4	1025.4
2024-01-01	1302.3	1288.5	1105.4	1025.4
2023-12-01	1302.3	1288.5	1105.4	1025.4
2023-11-01	1302.3	1288.5	1105.4	1025.4

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 Tshwane South School District CLOSED League Championship (U19)	2023-07-29	2023-07-29	Standard	Tshwane (GTP)	5	4	2	Yes	Analysis
2	2022 Gauteng Schools Individual Chess Championship (U18 Boys)	2022-06-18	2022-06-18	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
3	D4 Individuals 2022 (U18 Open)	2022-04-23	2022-04-23	Rapid	Tshwane (GTP)	7	7	4	Yes	Analysis
4	2022 Gauteng Interregion (U18 Open)	2022-02-26	2022-02-26	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
5	2021 Etienne Lewis Closed Trials (U18+U20 Open)	2021-09-24	2021-09-26	Standard	Nelson Mandela Bay (ENM)	7	4	2	Yes	Analysis
6	2021 Registration Tournament (B)	2021-03-13	2021-03-13	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
7	2019 Wild Card Chess Championship (U16 Open)	2020-01-09	2020-01-12	Standard	4 Knights (4K)	7	4	1	Yes	Analysis
8	2019 South African Junior Team Championships (U16B)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	5	Yes	Analysis
9	2019 Lardies Open (B)	2019-10-26	2019-10-26	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
10	2019 Etienne Lewis Trials (U16 Boys)	2019-08-30	2019-09-01	Standard	Tshwane (GTP)	7	7	3	Yes	Analysis
11	2019 Alekhine Open (B)	2019-08-09	2019-08-10	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
12	2019 Swartkop Open (B)	2019-06-15	2019-06-15	Standard	Tshwane (GTP)	5	4	1.5	Yes	Analysis
13	2019 Capablanca Chess Festival (Swiss B)	2019-04-19	2019-04-21	Standard	Tshwane (GTP)	7	7	2.5	Yes	Analysis
14	2019 Waterkloof Open (C)	2019-03-02	2019-03-03	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
15	2019 Constantia Park Open (C)	2019-02-09	2019-02-09	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
16	2018 Wild Card Chess Championships (U14 Open)	2018-12-21	2018-12-24	Standard	4 Knights (4K)	7	7	2.5	Yes	Analysis
17	South African Junior Team Championships 2018 (U14B)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	6.5	Yes	Analysis
18	2018 Lardies Ope (C)	2018-10-27	2018-10-27	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
19	2018 Etienne Lewis Trials (U14 Boys)	2018-08-31	2018-09-02	Standard	Tshwane (GTP)	7	6	3	Yes	Analysis
20	2018 Alekhine Open (C)	2018-08-09	2018-08-11	Standard	Tshwane (GTP)	6	6	4	Yes	Analysis
21	2018 Menlo Open Chess Tournament (C)	2018-07-21	2018-07-21	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
22	2018 Lubowski Open (C)	2018-05-12	2018-05-12	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
23	2018 Capablanca Swiss (C)	2018-04-27	2018-04-29	Standard	Tshwane (GTP)	7	6	4	Yes	Analysis
24	2018 Crawford Open (C)	2018-03-24	2018-03-24	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
25	2018 Tshwane Registration Open Chess Tournament (C)	2018-01-27	2018-01-27	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
26	South African Junior Team Championships 2017 (U14D)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	4.5	Yes	Analysis

#	Games	Start				End
1	8	Tournament 2018 Lardies Ope				Tournament South African Junior Team Championships 2018
		date 2018-10-27	rnd 5	type Standard	result 1	date 2018-12-20	rnd 7	type Standard	result 1
		Opponent Buitendag, TS (Tristan)				Opponent Fogarty, T (Thomas)
2	5	Tournament 2018 Wild Card Chess Championships				Tournament 2019 Constantia Park Open
		date 2018-12-24	rnd 7	type Standard	result 1	date 2019-02-09	rnd 4	type Standard	result 1
		Opponent Jones, E (Ethan)				Opponent Malunga, L (Lebone)
3	5	Tournament 2018 Alekhine Open				Tournament 2018 Etienne Lewis Trials
		date 2018-08-09	rnd 3	type Standard	result 0.5	date 2018-08-31	rnd 2	type Standard	result 1
		Opponent Oosthuizen, J (Johann)				Opponent Dippenaar, A (Adriaan)

#	Games	Start				End
1	8	Tournament 2018 Lardies Ope				Tournament South African Junior Team Championships 2018
		date 2018-10-27	rnd 5	type Standard	result 1	date 2018-12-20	rnd 7	type Standard	result 1
		Opponent Buitendag, TS (Tristan)				Opponent Fogarty, T (Thomas)
2	5	Tournament 2018 Wild Card Chess Championships				Tournament 2019 Constantia Park Open
		date 2018-12-24	rnd 7	type Standard	result 1	date 2019-02-09	rnd 4	type Standard	result 1
		Opponent Jones, E (Ethan)				Opponent Malunga, L (Lebone)
3	5	Tournament 2018 Alekhine Open				Tournament 2018 Etienne Lewis Trials
		date 2018-08-09	rnd 3	type Standard	result 0.5	date 2018-08-31	rnd 2	type Standard	result 1
		Opponent Oosthuizen, J (Johann)				Opponent Dippenaar, A (Adriaan)

#	Games	Start				End
1	1	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 7	type Rapid	result 1	date 2022-04-23	rnd 7	type Rapid	result 1
		Opponent Strydom, RW (Ruben Wynand)				Opponent Strydom, RW (Ruben Wynand)
2	1	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 5	type Rapid	result 1	date 2022-04-23	rnd 5	type Rapid	result 1
		Opponent Dippenaar, A (Adriaan)				Opponent Dippenaar, A (Adriaan)
3	1	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 3	type Rapid	result 1	date 2022-04-23	rnd 3	type Rapid	result 1
		Opponent Wang, E (En Ping)				Opponent Wang, E (En Ping)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament 2018 Wild Card Chess Championships				Tournament 2019 Constantia Park Open
		date 2018-12-24	rnd 7	type Standard	result 1	date 2019-02-09	rnd 4	type Standard	result 1
		Opponent Jones, E (Ethan)				Opponent Malunga, L (Lebone)
2	4	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-17	rnd 4	type Standard	result 1	date 2018-12-20	rnd 7	type Standard	result 1
		Opponent Bunguzana, T (Thando)				Opponent Fogarty, T (Thomas)
3	3	Tournament D4 Individuals 2022				Tournament 2022 Gauteng Schools Individual Chess Championship
		date 2022-04-23	rnd 7	type Rapid	result 1	date 2022-06-18	rnd 2	type Standard	result 1
		Opponent Strydom, RW (Ruben Wynand)				Opponent Shuma, K (Koketso)

#	Games	Start				End
1	5	Tournament 2018 Wild Card Chess Championships				Tournament 2019 Constantia Park Open
		date 2018-12-24	rnd 7	type Standard	result 1	date 2019-02-09	rnd 4	type Standard	result 1
		Opponent Jones, E (Ethan)				Opponent Malunga, L (Lebone)
2	4	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-17	rnd 4	type Standard	result 1	date 2018-12-20	rnd 7	type Standard	result 1
		Opponent Bunguzana, T (Thando)				Opponent Fogarty, T (Thomas)
3	3	Tournament 2022 Gauteng Interregion				Tournament 2022 Gauteng Schools Individual Chess Championship
		date 2022-02-26	rnd 5	type Standard	result 1	date 2022-06-18	rnd 2	type Standard	result 1
		Opponent Toodi, K (Kingdom)				Opponent Shuma, K (Koketso)

#	Games	Start				End
1	1	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 7	type Rapid	result 1	date 2022-04-23	rnd 7	type Rapid	result 1
		Opponent Strydom, RW (Ruben Wynand)				Opponent Strydom, RW (Ruben Wynand)
2	1	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 5	type Rapid	result 1	date 2022-04-23	rnd 5	type Rapid	result 1
		Opponent Dippenaar, A (Adriaan)				Opponent Dippenaar, A (Adriaan)
3	1	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 3	type Rapid	result 1	date 2022-04-23	rnd 3	type Rapid	result 1
		Opponent Wang, E (En Ping)				Opponent Wang, E (En Ping)

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	Ramlall ,S (Sanjana)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
1	Ramlall ,S (Sanjana)	3	1330.7	1472.4	3	1331.7	1472.4	0	0	0	0	0	0
2	Jacobs ,TB (Tiaan Benjamin)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Jacobs ,TB (Tiaan Benjamin)	2	1386.8	961.8	2	1401.4	961.8	0	0	0	0	0	0
3	Rautenbach ,H (Helen Christine)	2	1	0	2	1	0	0	0	0	0	0	0
3	Rautenbach ,H (Helen Christine)	2	1336.7	1336.7	2	1324.7	1336.7	0	0	0	0	0	0
4	Dyonta ,C (Cebokuhle)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Dyonta ,C (Cebokuhle)	2	860.8	435.8	2	860.8	435.8	0	0	0	0	0	0
5	Joubert ,D (Divan)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Joubert ,D (Divan)	2	1218.4	793.4	2	1220.4	793.4	0	0	0	0	0	0
6	Gerber ,J (Juandre)	2	2	425	2	2	425	0	0	0	0	0	0
6	Gerber ,J (Juandre)	2	895	1320.1	2	894.5	1320.1	0	0	0	0	0	0
7	Smit ,YH (Yoshua Hendrik)	2	0	-425	2	0	-425	0	0	0	0	0	0
7	Smit ,YH (Yoshua Hendrik)	2	1243	818	2	1229.3	818	0	0	0	0	0	0
8	Rhoodie ,N (Nicolaas)	2	1	0	2	1	0	0	0	0	0	0	0
8	Rhoodie ,N (Nicolaas)	2	1214	1214	2	1214.2	1214	0	0	0	0	0	0
9	Nkuna ,A (Andrew)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
9	Nkuna ,A (Andrew)	2	1247.8	1035.3	2	1239.9	1035.3	0	0	0	0	0	0
10	Dvir ,O (Omer)	2	2	425	2	2	425	0	0	0	0	0	0
10	Dvir ,O (Omer)	2	705.8	1130.8	2	715.6	1130.8	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

Duvenhage, LC (Leon Christiaan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms