Chess South Africa Ratings Database

PLAYER PAGE

Personal

van der Walt, K (Kiera)

Chess SA id

2130130082

FIDE id

Date of birth

2013-01-12 (U14)

Gender

Female

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-08-02

Personal details last changed

2025-01-18

Junior GPX Games

Junior GPX Points

1166.5

Item	Main	Standard	Rapid	Blitz
Rating	1352.9	1347.7	1203.2	1200
Raw rating	1334.4	1326	1203.2	1200
Weighted rating	1352.9	1347.7	1198.7	1200
Weighted performance	1144.7	1146.6	0	0
Floor	972.5	971.8	703.2	700
K-factor	32	32	36	36
Min/Max rating change allowed	136.9	138.6	165.1	165.8
Highest rating	1487.9 2023-11-01	1487.3 2023-11-01	1203.2 2025-04-01	1200 2018-10-01
Highest raw rating	1472.5 2023-12-01	1471.8 2023-12-01	1203.2 2025-04-01	1200 2024-03-01
Highest weighted rating	1472.5 2025-05-05	1471.8 2025-05-05	1203.2 2018-10-01	1200 2018-10-01
Highest weighted performance	1487.9 2023-11-01	1487.3 2023-11-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-2.9	-3.2	0	0
New rating	1350	1344.5	1203.2	1200
Analysis
Rating	1352.9	1347.7	1203.2	1200
Raw rating	1334.4	1326	1203.2	1200
Weighted rating	1352.9	1347.7	1198.7
Weighted performance	1144.7	1146.6	0
K-factor	32	32	36	36
Floor	972.5	971.8	703.2	700
Max/Min rating change allowed	136.9	138.6	165.1	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	1334.4	1326	1203.2	1200
New weighted rating	1350	1344.5	1199.1	1200
New weighted performance	1144.3	1146.2	0	0
Temp new rating	1350	1344.5	1203.2	1200
Temp new rating +/-	-2.9	-3.2	0	0
Final new rating +/-	-2.9	-3.2	0	0
New rating	1350	1344.5	1203.2	1200
New K-factor	32	32	36	36
New floor	972.5	971.8	703.2	700

Item	Main	Standard	Rapid
	0	0	0
	30	24	6
	84	72	12
	60	60	0
	45	45	0
	0	0	0
History	222	204	18

Games since
	Main 124	Standard 106		Rapid 18		Blitz 0
Gender	Female
Age group	U14
Region	Sedibeng (GSV)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	2638		896		97
Female	481		156		13
U14	462		145		21
U14 Female	111		34		5
Standard
	RSA		Province		Region
Overall	2593		940		102
Female	484		171		18
U14	459		153		21
U14 Female	112		37		6
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 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	30	14	46.67	-28.3	1244.5	1216.1
Standard	24	11	45.83	-35.4	1239.5	1204.1
Rapid	6	3	50	0	1264.4	1264.4
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	222	121.5	54.73	40.2	1232.7	1273
Standard	204	113.5	55.64	47.9	1224.7	1272.6
Rapid	18	8	44.44	-47.2	1324.3	1277.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1334.4	1326	1203.2	1200
2025-09-01	1334.4	1326	1203.2	1200
2025-08-01	1359.1	1354.6	1203.2	1200
2025-07-01	1357.6	1352.6	1203.2	1200
2025-06-01	1360.7	1356.2	1203.2	1200
2025-05-01	1361.5	1357.2	1203.2	1200
2025-04-01	1360	1356.7	1203.2	1200
2025-03-01	1357.3	1352.4	1195.5	1200
2025-02-01	1356	1351.8	1195.5	1200
2025-01-01	1304.4	1301.8	1193.1	1200
2024-12-01	1341.7	1341.8	1193.1	1200
2024-11-01	1343	1341.8	1188.8	1200
2024-10-01	1331.3	1323.9	1188.8	1200
2024-09-01	1336.9	1335.4	1188.8	1200
2024-08-01	1323.4	1318.8	1188.8	1200
2024-07-01	1335.5	1318.8	1200	1200
2024-06-01	1376.7	1366.5	1200	1200
2024-08-01	1376.7	1366.5	1200	1200
2024-04-01	1412.3	1409.4	1200	1200
2024-03-01	1412.3	1407.8	1200	1200
2024-02-01	1412.3	1407.8	1200	1200
2024-01-01	1472.5	1471.8	1200	1200
2023-12-01	1472.5	1471.8	1200	1200
2023-11-01	1472.5	1471.8	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	GDE (D7) Sedibeng East Schools 2025 (U13)	2025-08-02	2025-08-02	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
2	LS Vryheidsmonument Chess Open 21 Jun 2025 (D)	2025-06-21	2025-06-21	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
3	GDE Sedibeng East Schools - D7 Individuals 24 May 2025 (U13 Girls)	2025-05-24	2025-05-24	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
4	Destinata Rapid Open 025 (D)	2025-03-15	2025-03-15	Rapid	Sedibeng (GSV)	6	6	3	Yes	Analysis
5	Laer Volkskool Open 15 Feb 2025 (D)	2025-02-15	2025-02-15	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
6	Afrikaans High School Open 08 Feb 2025 (D)	2025-02-08	2025-02-08	Standard	Sedibeng (GSV)	5	4	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	GDE (D7) Sedibeng East Schools 2025 (U13)	2025-08-02	2025-08-02	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
2	LS Vryheidsmonument Chess Open 21 Jun 2025 (D)	2025-06-21	2025-06-21	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
3	GDE Sedibeng East Schools - D7 Individuals 24 May 2025 (U13 Girls)	2025-05-24	2025-05-24	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
4	Destinata Rapid Open 025 (D)	2025-03-15	2025-03-15	Rapid	Sedibeng (GSV)	6	6	3	Yes	Analysis
5	Laer Volkskool Open 15 Feb 2025 (D)	2025-02-15	2025-02-15	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
6	Afrikaans High School Open 08 Feb 2025 (D)	2025-02-08	2025-02-08	Standard	Sedibeng (GSV)	5	4	2	Yes	Analysis
7	Gauteng Inter-Region at UJ 2024 (U12 Girls)	2024-12-07	2024-12-08	Standard	Johannesburg Metro (GJM)	5	4	1	Yes	Analysis
8	Laerskool Midvaal Rapid 16 Nov 2024 (D)	2024-11-16	2024-11-16	Rapid	Sedibeng (GSV)	5	5	2	Yes	Analysis
9	NWU Vaal Chess Open 12 Oct 2024 (D)	2024-10-12	2024-10-12	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
10	Gauteng Top Schools 2024 (U13 Open)	2024-10-04	2024-10-04	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
11	Kings Gambit Chess Open 14 Sept 2024 (D)	2024-09-14	2024-09-14	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
12	Sedibeng Chess Open 07 Sept 24 (D)	2024-09-07	2024-09-07	Standard	Sedibeng (GSV)	5	4	1	Yes	Analysis
13	Gauteng Schools Individuals Finals 2024 (U11 Girls)	2024-08-16	2024-08-16	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
14	North School Primary Chess Open 2024 (D)	2024-08-31	2024-08-31	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
15	Sedibeng East D7 Teams Trials 2024 (U13)	2024-08-03	2024-08-03	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
16	Midvaal Winter Classic 13 July 2024 (E)	2024-07-13	2024-07-13	Rapid	Sedibeng (GSV)	7	7	3	Yes	Analysis
17	AG Visser Open 2024 (C)	2024-06-08	2024-06-08	Standard	Sedibeng (GSV)	5	5	1.5	Yes	Analysis
18	Hoerskool Overvaal Chess Open 2024 (D)	2024-04-20	2024-04-20	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
19	Vaalpark Primary Chess Open 2024 (D)	2024-04-13	2024-04-13	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
20	HS Drie Riviere Chess Open Section 2024 (D)	2024-03-09	2024-03-09	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
21	Valia's Open 2024 (E)	2024-03-02	2024-03-02	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
22	Laerskool Midvaal Chess Open Section 2024 (D)	2024-02-10	2024-02-10	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
23	2024 Gauteng Inter-Region Chess Championship (U12 Girls A)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	4	1	Yes	Analysis
24	Queens Gambit Chess Open 2023 (D)	2023-11-25	2023-11-25	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
25	NWU Vaal Open 2023 (E)	2023-10-14	2023-10-14	Standard	Sedibeng (GSV)	5	5	3.5	Yes	Analysis
26	2023 Gauteng Top Schools (U11 Mixed)	2023-08-18	2023-08-18	Standard	West Rand (GWR)	5	5	3	Yes	Analysis
27	NG Kerk Vanderbijlpark Suid Open 2023 (E)	2023-08-26	2023-08-26	Standard	Sedibeng (GSV)	5	5	5	Yes	Analysis
28	Gauteng D7 Teams 2023 (U11)	2023-08-12	2023-08-12	Standard	Sedibeng (GSV)	5	5	3.5	Yes	Analysis
29	Overvaal Ope Jul 2023 (D)	2023-07-22	2023-07-22	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
30	Valia's Chess Tournament 2023 (D)	2023-05-06	2023-05-06	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
31	Gauteng Schools D7 2023 (U11 Girls)	2023-05-20	2023-05-20	Standard	Sedibeng (GSV)	5	5	3.5	Yes	Analysis
32	Driehoek Open Chess Tournament 2023 (D)	2023-05-13	2023-05-13	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
33	Gauteng Schools Individual Finals 2023 (U11 Girls)	2023-05-26	2023-05-26	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis
34	Heidelberg Open 2023 (C)	2023-02-04	2023-02-04	Standard	Sedibeng (GSV)	5	5	2.5	Yes	Analysis
35	Laerkool Midvaal Chess Open 2023 (E)	2023-01-28	2023-01-28	Standard	Sedibeng (GSV)	5	5	3.5	Yes	Analysis
36	2022 South African Junior Team Chess Championships (U10+U12 Girls)	2022-12-04	2022-12-07	Standard	4 Knights (4K)	5	5	0	Yes	Analysis
37	Dr Peter Hangelbroek Open 2022 (F)	2022-10-29	2022-10-29	Standard	Sedibeng (GSV)	5	5	5	Yes	Analysis
38	D7 Teams 2022 (U9+U11 Mixed)	2022-08-13	2022-08-13	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
39	Eureka Open 2022 (G+H)	2022-07-30	2022-07-30	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
40	Gaueng Schools D7 2022 (U11 Girls)	2022-06-04	2022-06-04	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
41	2022 Gauteng Schools Individual Chess Championship (U11 Girls)	2022-06-18	2022-06-18	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
42	Dirk De Koster Chess Open 2022 (D)	2022-04-23	2022-04-23	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis
43	Drie Riviere Open 2022 (D)	2022-02-18	2022-02-18	Standard	Sedibeng (GSV)	5	5	1.5	Yes	Analysis
44	Midvaal Ope 2022 (D)	2022-01-29	2022-01-29	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
45	Midvaal Chess Open 2020 (D)	2020-01-25	2020-01-25	Standard	Sedibeng (GSV)	5	3	1	Yes	Analysis

#	Games	Start				End
1	9	Tournament NG Kerk Vanderbijlpark Suid Open 2023				Tournament NWU Vaal Open 2023
		date 2023-08-26	rnd 1	type Standard	result 1	date 2023-10-14	rnd 4	type Standard	result 1
		Opponent Radebe, L (Lethabo)				Opponent Kambule, A (Aaron)
2	6	Tournament Driehoek Open Chess Tournament 2023				Tournament Gauteng Schools D7 2023
		date 2023-05-13	rnd 4	type Standard	result 0.5	date 2023-05-20	rnd 4	type Standard	result 1
		Opponent Du Toit, M (Monika)				Opponent Mohono, R (Reatlaretse)
3	5	Tournament Sedibeng East D7 Teams Trials 2024				Tournament Gauteng Schools Individuals Finals 2024
		date 2024-08-03	rnd 2	type Standard	result 1	date 2024-08-16	rnd 1	type Standard	result 1
		Opponent Mosutho, N (Nthabejeng)				Opponent Gwala, N (Nasra)

#	Games	Start				End
1	9	Tournament NG Kerk Vanderbijlpark Suid Open 2023				Tournament NWU Vaal Open 2023
		date 2023-08-26	rnd 1	type Standard	result 1	date 2023-10-14	rnd 4	type Standard	result 1
		Opponent Radebe, L (Lethabo)				Opponent Kambule, A (Aaron)
2	6	Tournament Driehoek Open Chess Tournament 2023				Tournament Gauteng Schools D7 2023
		date 2023-05-13	rnd 4	type Standard	result 0.5	date 2023-05-20	rnd 4	type Standard	result 1
		Opponent Du Toit, M (Monika)				Opponent Mohono, R (Reatlaretse)
3	5	Tournament Sedibeng East D7 Teams Trials 2024				Tournament Gauteng Schools Individuals Finals 2024
		date 2024-08-03	rnd 2	type Standard	result 1	date 2024-08-16	rnd 1	type Standard	result 1
		Opponent Mosutho, N (Nthabejeng)				Opponent Gwala, N (Nasra)

#	Games	Start				End
1	2	Tournament Destinata Rapid Open 025				Tournament Destinata Rapid Open 025
		date 2025-03-15	rnd 5	type Rapid	result 1	date 2025-03-15	rnd 6	type Rapid	result 1
		Opponent van Schalkwyk, A (Alyssa)				Opponent Joubert, R (Rohan Cornelius)
2	2	Tournament Midvaal Winter Classic 13 July 2024				Tournament Midvaal Winter Classic 13 July 2024
		date 2024-07-13	rnd 1	type Rapid	result 1	date 2024-07-13	rnd 2	type Rapid	result 1
		Opponent De Jager, K (Kobus)				Opponent Visser, A (Aidan)
3	1	Tournament Destinata Rapid Open 025				Tournament Destinata Rapid Open 025
		date 2025-03-15	rnd 3	type Rapid	result 1	date 2025-03-15	rnd 3	type Rapid	result 1
		Opponent Tsie, N (Neo)				Opponent Tsie, N (Neo)

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament NG Kerk Vanderbijlpark Suid Open 2023				Tournament NWU Vaal Open 2023
		date 2023-08-26	rnd 1	type Standard	result 1	date 2023-10-14	rnd 1	type Standard	result 1
		Opponent Radebe, L (Lethabo)				Opponent Geyer, L (Lourens)
2	5	Tournament Sedibeng East D7 Teams Trials 2024				Tournament Gauteng Schools Individuals Finals 2024
		date 2024-08-03	rnd 2	type Standard	result 1	date 2024-08-16	rnd 1	type Standard	result 1
		Opponent Mosutho, N (Nthabejeng)				Opponent Gwala, N (Nasra)
3	5	Tournament Valia's Open 2024				Tournament HS Drie Riviere Chess Open Section 2024
		date 2024-03-02	rnd 3	type Standard	result 1	date 2024-03-09	rnd 2	type Standard	result 1
		Opponent Nonyane, B (Bokamoso)				Opponent Motloung, I (Israel)

#	Games	Start				End
1	6	Tournament NG Kerk Vanderbijlpark Suid Open 2023				Tournament NWU Vaal Open 2023
		date 2023-08-26	rnd 1	type Standard	result 1	date 2023-10-14	rnd 1	type Standard	result 1
		Opponent Radebe, L (Lethabo)				Opponent Geyer, L (Lourens)
2	5	Tournament Sedibeng East D7 Teams Trials 2024				Tournament Gauteng Schools Individuals Finals 2024
		date 2024-08-03	rnd 2	type Standard	result 1	date 2024-08-16	rnd 1	type Standard	result 1
		Opponent Mosutho, N (Nthabejeng)				Opponent Gwala, N (Nasra)
3	5	Tournament Valia's Open 2024				Tournament HS Drie Riviere Chess Open Section 2024
		date 2024-03-02	rnd 3	type Standard	result 1	date 2024-03-09	rnd 2	type Standard	result 1
		Opponent Nonyane, B (Bokamoso)				Opponent Motloung, I (Israel)

#	Games	Start				End
1	2	Tournament Destinata Rapid Open 025				Tournament Destinata Rapid Open 025
		date 2025-03-15	rnd 5	type Rapid	result 1	date 2025-03-15	rnd 6	type Rapid	result 1
		Opponent van Schalkwyk, A (Alyssa)				Opponent Joubert, R (Rohan Cornelius)
2	2	Tournament Midvaal Winter Classic 13 July 2024				Tournament Midvaal Winter Classic 13 July 2024
		date 2024-07-13	rnd 1	type Rapid	result 1	date 2024-07-13	rnd 2	type Rapid	result 1
		Opponent De Jager, K (Kobus)				Opponent Visser, A (Aidan)
3	1	Tournament Destinata Rapid Open 025				Tournament Destinata Rapid Open 025
		date 2025-03-15	rnd 3	type Rapid	result 1	date 2025-03-15	rnd 3	type Rapid	result 1
		Opponent Tsie, N (Neo)				Opponent Tsie, N (Neo)

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	Du Toit ,M (Monika)	7	3.5	0	6	3.5	70.8	1	0	-425	0	0	0
1	Du Toit ,M (Monika)	7	1260.8	1260.8	6	1260.9	1331.6	1	1204	835.8	0	0	0
2	Brancato ,S (Sebastian)	6	0	-425	4	0	-425	2	0	-425	0	0	0
2	Brancato ,S (Sebastian)	6	1503.4	1078.4	4	1494.6	1078.4	2	1257.4	1078.4	0	0	0
3	Blignaut ,A (Alma)	4	2.5	106.2	4	2.5	106.2	0	0	0	0	0	0
3	Blignaut ,A (Alma)	4	1191	1297.2	4	1187.1	1297.2	0	0	0	0	0	0
4	Esterhuizen ,E (Erich)	4	2	0	3	2	141.7	1	0	-425	0	0	0
4	Esterhuizen ,E (Erich)	4	1131.7	1131.7	3	1124.3	1273.3	1	1180.4	706.7	0	0	0
5	Emanuel ,C (Caitlin)	3	0.5	-283.3	3	0.5	-283.3	0	0	0	0	0	0
5	Emanuel ,C (Caitlin)	3	1230.9	947.5	3	1220	947.5	0	0	0	0	0	0
6	Van Der Merwe ,W (Willem)	3	1.5	0	3	1.5	0	0	0	0	0	0	0
6	Van Der Merwe ,W (Willem)	3	1246	1246	3	1241.6	1246	0	0	0	0	0	0
7	Smit ,L (Liane)	3	3	425	3	3	425	0	0	0	0	0	0
7	Smit ,L (Liane)	3	1157.8	1582.8	3	1161.4	1582.8	0	0	0	0	0	0
8	Du Toit ,C (Christiaan)	3	3	425	3	3	425	0	0	0	0	0	0
8	Du Toit ,C (Christiaan)	3	1159.1	1584.1	3	1158.7	1584.1	0	0	0	0	0	0
9	Mothakama ,M (Morwesi)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
9	Mothakama ,M (Morwesi)	3	1229.6	1088	3	1220.9	1088	0	0	0	0	0	0
10	Viljoen ,S (Shenique)	3	0	-425	3	0	-425	0	0	0	0	0	0
10	Viljoen ,S (Shenique)	3	1212.3	787.3	3	1207.6	787.3	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

van der Walt, K (Kiera)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms