Chess South Africa Ratings Database

PLAYER PAGE

Personal

De Kock, L (Lana)

Chess SA id

2110103927

FIDE id

Date of birth

2011-10-28 (U16)

Gender

Female

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-08-16

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1089.4

Item	Main	Standard	Rapid	Blitz
Rating	1152.6	1147.9	1200	1200
Raw rating	1127	1118.3	1200	1200
Weighted rating	1152.6	1147.9	1200	1200
Weighted performance	985.6	985.4	0	0
Floor	704.7	707.2	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	184	186.3	165.8	165.8
Highest rating	1251.4 2024-10-01	1249.4 2024-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1204.7 2019-12-01	1207.2 2019-03-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1204.7 2021-02-01	1207.2 2021-02-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1251.4 2024-10-01	1249.4 2024-10-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-1.4	-1.5	0	0
New rating	1151.2	1146.5	1200	1200
Analysis
Rating	1152.6	1147.9	1200	1200
Raw rating	1127	1118.3	1200	1200
Weighted rating	1152.6	1147.9	1200
Weighted performance	985.6	985.4	0
K-factor	36	36	36	36
Floor	704.7	707.2	700	700
Max/Min rating change allowed	184	186.3	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	1127	1118.3	1200	1200
New weighted rating	1151.2	1146.5	1200	1200
New weighted performance	984.5	984.4	0	0
Temp new rating	1151.2	1146.5	1200	1200
Temp new rating +/-	-1.4	-1.5	0	0
Final new rating +/-	-1.4	-1.5	0	0
New rating	1151.2	1146.5	1200	1200
New K-factor	36	36	36	36
New floor	704.7	707.2	700	700

Item	Main	Standard
	0	0
	19	19
	13	13
	10	10
	5	5
	0	0
History	62	62

Games since
	Main 32	Standard 32		Rapid 0		Blitz 0
Gender	Female
Age group	U16
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	4205		1471		573
Female	1072		349		137
U16	675		237		83
U16 Female	203		72		23
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-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	19	5	26.32	-201.3	1241.3	1040
Standard	19	5	26.32	-201.3	1241.3	1040
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	62	25.5	41.13	-75.4	1203.6	1128.2
Standard	62	25.5	41.13	-75.4	1203.6	1128.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1127	1118.3	1200	1200
2025-09-01	1127	1118.3	1200	1200
2025-08-01	1174.8	1175.4	1200	1200
2025-07-01	1174.8	1175.4	1200	1200
2025-06-01	1174.8	1175.4	1200	1200
2025-05-01	1146.9	1140.2	1200	1200
2025-04-01	1146.3	1139.5	1200	1200
2025-03-01	1144.5	1137.4	1200	1200
2025-02-01	1155.5	1151.3	1200	1200
2025-01-01	1192.2	1196.7	1200	1200
2024-12-01	1192.2	1196.7	1200	1200
2024-11-01	1192.2	1196.7	1200	1200
2024-10-01	1171.3	1171.9	1200	1200
2024-09-01	1171.3	1171.9	1200	1200
2024-08-01	1116.6	1104.9	1200	1200
2024-07-01	1116.6	1101.7	1200	1200
2024-06-01	1116.6	1101.7	1200	1200
2024-08-01	1116.6	1101.7	1200	1200
2024-04-01	1116.6	1101.7	1200	1200
2024-03-01	1116.6	1101.7	1200	1200
2024-02-01	1116.6	1101.7	1200	1200
2024-01-01	1116.6	1101.7	1200	1200
2023-12-01	1116.6	1101.7	1200	1200
2023-11-01	1116.6	1101.7	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	2025 Tshwane South School District CLOSED League Championship (U19B)	2025-08-16	2025-08-16	Standard	Tshwane (GTP)	5	4	0	Yes	Analysis
2	2025 Tshwane South School District Individual Finals (D4) (U15 Girls)	2025-05-10	2025-05-10	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
3	Grey College Team Championship 2025 (B)	2025-02-21	2025-02-22	Standard	Mangaung (FMB)	5	5	1	Yes	Analysis
4	2025 Piet Robbertse Fide Rated Open Chess Tournament (D)	2025-02-01	2025-02-02	Standard	Tshwane (GTP)	5	0	0	No	Analysis
5	2025 Tshwane Chess OPEN Registration Tournament (C)	2025-01-25	2025-01-25	Standard	Tshwane (GTP)	5	5	1.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Tshwane South School District CLOSED League Championship (U19B)	2025-08-16	2025-08-16	Standard	Tshwane (GTP)	5	4	0	Yes	Analysis
2	2025 Tshwane South School District Individual Finals (D4) (U15 Girls)	2025-05-10	2025-05-10	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
3	Grey College Team Championship 2025 (B)	2025-02-21	2025-02-22	Standard	Mangaung (FMB)	5	5	1	Yes	Analysis
4	2025 Piet Robbertse Fide Rated Open Chess Tournament (D)	2025-02-01	2025-02-02	Standard	Tshwane (GTP)	5	0	0	No	Analysis
5	2025 Tshwane Chess OPEN Registration Tournament (C)	2025-01-25	2025-01-25	Standard	Tshwane (GTP)	5	5	1.5	Yes	Analysis
6	Gauteng Top Schools 2024 (U13 Girls)	2024-10-04	2024-10-04	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
7	D4 Tshwane South District Schools Teams Chess Tournament 2024 (U13 Girls)	2024-08-03	2024-08-03	Standard	Tshwane (GTP)	3	3	3	Yes	Analysis
8	Menlopark Open Chess Tournament 2024 (C)	2024-07-13	2024-07-13	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
9	2023 Gauteng Top Schools (U13 Girls)	2023-08-18	2023-08-18	Standard	West Rand (GWR)	5	5	2	Yes	Analysis
10	2023 Woman's Day Open Chess Tournament (Knight)	2023-08-09	2023-08-09	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
11	2022 Blou Bul Open (D)	2022-06-25	2022-06-26	Standard	Tshwane (GTP)	5	5	1.5	Yes	Analysis
12	2019 D4 Individual Finals (U9 Girls)	2019-03-09	2019-03-09	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
13	2019 Constantia Park Open (E)	2019-02-09	2019-02-09	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
14	2018 Swartkop Open (F)	2018-06-23	2018-06-23	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis

#	Games	Start				End
1	3	Tournament 2025 Tshwane South School District Individual Finals (D4)				Tournament 2025 Tshwane South School District Individual Finals (D4)
		date 2025-05-10	rnd 2	type Standard	result 1	date 2025-05-10	rnd 4	type Standard	result 1
		Opponent Mogwale, B (Bontle Lida)				Opponent Kruger, Z (Zanika)
2	3	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-04	rnd 2	type Standard	result 1	date 2024-10-04	rnd 4	type Standard	result 1
		Opponent Mac Dougall, S (Shaylee)				Opponent Potgieter, R (Raven)
3	3	Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024				Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024
		date 2024-08-03	rnd 1	type Standard	result 1	date 2024-08-03	rnd 3	type Standard	result 1
		Opponent Groenewald, M (Mila)				Opponent Engelbrecht, V (Veronica)

#	Games	Start				End
1	3	Tournament 2025 Tshwane South School District Individual Finals (D4)				Tournament 2025 Tshwane South School District Individual Finals (D4)
		date 2025-05-10	rnd 2	type Standard	result 1	date 2025-05-10	rnd 4	type Standard	result 1
		Opponent Mogwale, B (Bontle Lida)				Opponent Kruger, Z (Zanika)
2	3	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-04	rnd 2	type Standard	result 1	date 2024-10-04	rnd 4	type Standard	result 1
		Opponent Mac Dougall, S (Shaylee)				Opponent Potgieter, R (Raven)
3	3	Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024				Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024
		date 2024-08-03	rnd 1	type Standard	result 1	date 2024-08-03	rnd 3	type Standard	result 1
		Opponent Groenewald, M (Mila)				Opponent Engelbrecht, V (Veronica)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-04	rnd 2	type Standard	result 1	date 2024-10-04	rnd 4	type Standard	result 1
		Opponent Mac Dougall, S (Shaylee)				Opponent Potgieter, R (Raven)
2	3	Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024				Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024
		date 2024-08-03	rnd 1	type Standard	result 1	date 2024-08-03	rnd 3	type Standard	result 1
		Opponent Groenewald, M (Mila)				Opponent Engelbrecht, V (Veronica)
3	3	Tournament 2019 Constantia Park Open				Tournament 2019 Constantia Park Open
		date 2019-02-09	rnd 3	type Standard	result 1	date 2019-02-09	rnd 5	type Standard	result 1
		Opponent Van Huyssteen, A (Andrea)				Opponent Vorster-Saunders, FJ (Femke June)

#	Games	Start				End
1	3	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-04	rnd 2	type Standard	result 1	date 2024-10-04	rnd 4	type Standard	result 1
		Opponent Mac Dougall, S (Shaylee)				Opponent Potgieter, R (Raven)
2	3	Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024				Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024
		date 2024-08-03	rnd 1	type Standard	result 1	date 2024-08-03	rnd 3	type Standard	result 1
		Opponent Groenewald, M (Mila)				Opponent Engelbrecht, V (Veronica)
3	3	Tournament 2019 Constantia Park Open				Tournament 2019 Constantia Park Open
		date 2019-02-09	rnd 3	type Standard	result 1	date 2019-02-09	rnd 5	type Standard	result 1
		Opponent Van Huyssteen, A (Andrea)				Opponent Vorster-Saunders, FJ (Femke June)

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	Kruger ,Z (Zanika)	2	1	0	2	1	0	0	0	0	0	0	0
1	Kruger ,Z (Zanika)	2	1134.5	1134.5	2	1122.1	1134.5	0	0	0	0	0	0
2	Potgieter ,R (Raven)	2	2	425	2	2	425	0	0	0	0	0	0
2	Potgieter ,R (Raven)	2	1120.8	1545.8	2	1107.1	1545.8	0	0	0	0	0	0
3	De Waal ,N (Nadine)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
3	De Waal ,N (Nadine)	2	1406.9	1194.4	2	1406.7	1194.4	0	0	0	0	0	0
4	Mac Dougall ,S (Shaylee)	1	1	425	1	1	425	0	0	0	0	0	0
4	Mac Dougall ,S (Shaylee)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Steyn ,I (Izak)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Steyn ,I (Izak)	1	1200	775	1	1200	775	0	0	0	0	0	0
6	Van Der Merwe ,H (Hendrik)	1	1	425	1	1	425	0	0	0	0	0	0
6	Van Der Merwe ,H (Hendrik)	1	1196.7	1621.7	1	1197.3	1621.7	0	0	0	0	0	0
7	Nel ,K (Kian)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Nel ,K (Kian)	1	1259.6	834.6	1	1262.4	834.6	0	0	0	0	0	0
8	Jacobs ,AE (Alyssa Elizabeth)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
8	Jacobs ,AE (Alyssa Elizabeth)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
9	Coetzer ,E (Esther)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Coetzer ,E (Esther)	1	1200	775	1	1200	775	0	0	0	0	0	0
10	Snyman ,CW (Connor William)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Snyman ,CW (Connor William)	1	1200	775	1	1200	775	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

De Kock, L (Lana)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms