Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Der Walt, AJ (Antonie Johannes)

Chess SA id

110089426

FIDE id

Date of birth

2010-08-26 (U16)

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	1102.4	1064.6	1186.7	1200
Raw rating	1102.4	1064.6	1186.7	1200
Weighted rating	1102.2	1064.5	1186.7	1200
Weighted performance	669.7	582.5	0	0
Floor	700	700	731	700
K-factor	36	36	36	36
Min/Max rating change allowed	190.5	201.1	169	165.8
Highest rating	1200 2018-02-01	1200 2018-02-01	1286.8 2018-05-01	1200 2018-10-01
Highest raw rating	1200 2018-02-01	1200 2018-02-01	1231 2020-01-01	1200 2024-02-01
Highest weighted rating	1200 2018-02-01	1200 2018-02-01	1231 2021-05-01	1200 2018-10-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1286.8 2018-05-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1102.4	1064.6	1186.7	1200
Analysis
Rating	1102.4	1064.6	1186.7	1200
Raw rating	1102.4	1064.6	1186.7	1200
Weighted rating	1102.2	1064.5	1186.7
Weighted performance	669.7	582.5	0
K-factor	36	36	36	36
Floor	700	700	731	700
Max/Min rating change allowed	190.5	201.1	169	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	1102.4	1064.6	1186.7	1200
New weighted rating	1102.2	1064.5	1186.7	1200
New weighted performance	669.3	582.2	0	0
Temp new rating	1102.4	1064.6	1186.7	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1102.4	1064.6	1186.7	1200
New K-factor	36	36	36	36
New floor	700	700	731	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	10	10	0
	7	0	7
	0	0	0
History	110	93	17

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Tshwane (GTP)
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	101	35.5	35.15	-126.2	1085.9	959.6
Standard	84	26	30.95	-161.9	1065.5	903.6
Rapid	17	9.5	55.88	50	1186.5	1236.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1102.4	1064.6	1186.7	1200
2025-09-01	1102.4	1064.6	1186.7	1200
2025-08-01	1102.4	1064.6	1186.7	1200
2025-07-01	1102.4	1064.6	1186.7	1200
2025-06-01	1102.4	1064.6	1186.7	1200
2025-05-01	1102.4	1064.6	1186.7	1200
2025-04-01	1102.4	1064.6	1186.7	1200
2025-03-01	1102.4	1064.6	1186.7	1200
2025-02-01	1102.4	1064.6	1186.7	1200
2025-01-01	1101.9	1064.2	1186.7	1200
2024-12-01	1101.9	1064.2	1186.7	1200
2024-11-01	1101.9	1064.2	1186.7	1200
2024-10-01	1101.9	1064.2	1186.7	1200
2024-09-01	1101.9	1064.2	1186.7	1200
2024-08-01	1101.9	1064.2	1186.7	1200
2024-07-01	1101.9	1064.2	1186.7	1200
2024-06-01	1101.9	1064.2	1186.7	1200
2024-08-01	1101.9	1064.2	1186.7	1200
2024-04-01	1101.9	1064.2	1186.7	1200
2024-03-01	1101.9	1064.2	1186.7	1200
2024-02-01	1101.9	1064.2	1186.7	1200
2024-01-01	1101.9	1064.2	1186.7	1200
2023-12-01	1101.9	1064.2	1186.7	1200
2023-11-01	1101.9	1064.2	1186.7	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 Tshwane South School District CLOSED League Championship (U13)	2023-07-29	2023-07-29	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
2	2023 Tshwane South School District CLOSED Individual Championships (U13 Open)	2023-04-22	2023-04-22	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
3	D4 Individuals 2022 (U13 Open)	2022-04-23	2022-04-23	Rapid	Tshwane (GTP)	7	7	3.5	Yes	Analysis
4	2020 Registration Tournament (D)	2020-01-25	2020-01-25	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
5	2019 Menlo Open (D)	2019-07-13	2019-07-13	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
6	2019 D4 Tshwane South Schools League Team Finals (U9)	2019-07-27	2019-07-27	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
7	2019 Super 12 Laerskole (Juniors)	2019-05-04	2019-05-04	Rapid	Tshwane (GTP)	5	5	3	Yes	Analysis
8	2019 D4 Individual Finals (U9 Mixed)	2019-03-09	2019-03-09	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
9	2019 TuksChess Open (C)	2019-02-23	2019-02-23	Standard	Tshwane (GTP)	5	5	1.5	Yes	Analysis
10	2019 Tshwane Chess Registration Tournament (D)	2019-01-26	2019-01-26	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
11	2018 Tshwane Inter Region (U10F)	2018-12-01	2018-12-01	Standard	Cape Town (WCT)	5	5	1	Yes	Analysis
12	South African Junior Team Championships 2018 (U10C)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	6	2.5	Yes	Analysis
13	2018 Etienne Lewis Trials (U10 Boys)	2018-08-31	2018-09-02	Standard	Tshwane (GTP)	7	6	1	Yes	Analysis
14	2018 Menlo Open Chess Tournament (D)	2018-07-21	2018-07-21	Standard	Tshwane (GTP)	5	4	2	Yes	Analysis
15	2018 Swartkop Open (E)	2018-06-23	2018-06-23	Standard	Tshwane (GTP)	5	4	1.5	Yes	Analysis
16	2018 Super 12 (Junior)	2018-05-05	2018-05-05	Rapid	Tshwane (GTP)	5	5	3	Yes	Analysis
17	2018 Waterkloof Open (E)	2018-03-03	2018-03-04	Standard	Tshwane (GTP)	5	4	0	Yes	Analysis
18	2018 Crawford Open (D)	2018-03-24	2018-03-24	Standard	Tshwane (GTP)	5	5	1.5	Yes	Analysis
19	2018 Constantia Park Open (D)	2018-02-10	2018-02-10	Standard	Tshwane (GTP)	5	5	0	Yes	Analysis
20	2018 Blou Bul Open (D)	2018-02-17	2018-02-17	Standard	Tshwane (GTP)	5	5	0	Yes	Analysis

#	Games	Start				End
1	3	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 4	type Rapid	result 1	date 2022-04-23	rnd 6	type Rapid	result 0.5
		Opponent Roeloffze, D (Dian)				Opponent Klopper, R (Rian)
2	3	Tournament 2019 Menlo Open				Tournament 2019 Menlo Open
		date 2019-07-13	rnd 3	type Standard	result 0.5	date 2019-07-13	rnd 5	type Standard	result 0.5
		Opponent Cilliers, WC (Willem Carel)				Opponent Van Rooyen, M (Marcel)
3	3	Tournament 2019 Tshwane Chess Registration Tournament				Tournament 2019 TuksChess Open
		date 2019-01-26	rnd 4	type Standard	result 0.5	date 2019-02-23	rnd 1	type Standard	result 1
		Opponent Nel, H (Henco)				Opponent Visser, N (Nico)

#	Games	Start				End
1	3	Tournament 2019 Menlo Open				Tournament 2019 Menlo Open
		date 2019-07-13	rnd 3	type Standard	result 0.5	date 2019-07-13	rnd 5	type Standard	result 0.5
		Opponent Cilliers, WC (Willem Carel)				Opponent Van Rooyen, M (Marcel)
2	3	Tournament 2019 Tshwane Chess Registration Tournament				Tournament 2019 TuksChess Open
		date 2019-01-26	rnd 4	type Standard	result 0.5	date 2019-02-23	rnd 1	type Standard	result 1
		Opponent Nel, H (Henco)				Opponent Visser, N (Nico)
3	2	Tournament 2023 Tshwane South School District CLOSED Individual Championships				Tournament 2023 Tshwane South School District CLOSED Individual Championships
		date 2023-04-22	rnd 4	type Standard	result 0.5	date 2023-04-22	rnd 5	type Standard	result 1
		Opponent Smith, H (Henco)				Opponent Van Der Merwe, A (Adriaan)

#	Games	Start				End
1	3	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 4	type Rapid	result 1	date 2022-04-23	rnd 6	type Rapid	result 0.5
		Opponent Roeloffze, D (Dian)				Opponent Klopper, R (Rian)
2	3	Tournament 2018 Super 12				Tournament 2019 Super 12 Laerskole
		date 2018-05-05	rnd 4	type Rapid	result 1	date 2019-05-04	rnd 1	type Rapid	result 1
		Opponent Van Der Merwe, V (Vian)				Opponent Van Schalkwyk, DW (Divan Willem)
3	2	Tournament 2019 Super 12 Laerskole				Tournament 2019 Super 12 Laerskole
		date 2019-05-04	rnd 3	type Rapid	result 1	date 2019-05-04	rnd 4	type Rapid	result 1
		Opponent Ernst, AJ (Alex Johan)				Opponent Van Der Merwe, A (Alan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 4	type Rapid	result 1	date 2022-04-23	rnd 5	type Rapid	result 1
		Opponent Roeloffze, D (Dian)				Opponent Vermeulen, T (Tiaan Leon)
2	2	Tournament 2019 Super 12 Laerskole				Tournament 2019 Super 12 Laerskole
		date 2019-05-04	rnd 3	type Rapid	result 1	date 2019-05-04	rnd 4	type Rapid	result 1
		Opponent Ernst, AJ (Alex Johan)				Opponent Van Der Merwe, A (Alan)
3	2	Tournament 2019 D4 Individual Finals				Tournament 2019 Super 12 Laerskole
		date 2019-03-09	rnd 5	type Standard	result 1	date 2019-05-04	rnd 1	type Rapid	result 1
		Opponent Van Der Merwe, H (Hanru)				Opponent Van Schalkwyk, DW (Divan Willem)

#	Games	Start				End
1	2	Tournament 2019 D4 Individual Finals				Tournament 2019 Menlo Open
		date 2019-03-09	rnd 5	type Standard	result 1	date 2019-07-13	rnd 1	type Standard	result 1
		Opponent Van Der Merwe, H (Hanru)				Opponent De Jager, J (Jacques)
2	2	Tournament 2019 Tshwane Chess Registration Tournament				Tournament 2019 TuksChess Open
		date 2019-01-26	rnd 5	type Standard	result 1	date 2019-02-23	rnd 1	type Standard	result 1
		Opponent Moodley, DD (Dhivya Dhanam)				Opponent Visser, N (Nico)
3	1	Tournament 2023 Tshwane South School District CLOSED League Championship				Tournament 2023 Tshwane South School District CLOSED League Championship
		date 2023-07-29	rnd 2	type Standard	result 1	date 2023-07-29	rnd 2	type Standard	result 1
		Opponent Richards, K (Kobus)				Opponent Richards, K (Kobus)

#	Games	Start				End
1	3	Tournament 2018 Super 12				Tournament 2019 Super 12 Laerskole
		date 2018-05-05	rnd 4	type Rapid	result 1	date 2019-05-04	rnd 1	type Rapid	result 1
		Opponent Van Der Merwe, V (Vian)				Opponent Van Schalkwyk, DW (Divan Willem)
2	2	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 4	type Rapid	result 1	date 2022-04-23	rnd 5	type Rapid	result 1
		Opponent Roeloffze, D (Dian)				Opponent Vermeulen, T (Tiaan Leon)
3	2	Tournament 2019 Super 12 Laerskole				Tournament 2019 Super 12 Laerskole
		date 2019-05-04	rnd 3	type Rapid	result 1	date 2019-05-04	rnd 4	type Rapid	result 1
		Opponent Ernst, AJ (Alex Johan)				Opponent Van Der Merwe, A (Alan)

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 Preez ,J (Julian)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
1	Du Preez ,J (Julian)	3	1072.9	931.2	3	1060.3	931.2	0	0	0	0	0	0
2	Venter ,D (Dian)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
2	Venter ,D (Dian)	2	1060.8	1273.3	2	1049.6	1273.3	0	0	0	0	0	0
3	Webb ,K (Kagan)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Webb ,K (Kagan)	2	1203.9	778.9	2	1178.4	778.9	0	0	0	0	0	0
4	Johnstone ,J (Jessica)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Johnstone ,J (Jessica)	2	852.3	427.3	2	841.7	427.3	0	0	0	0	0	0
5	Olivier ,BM (Barnard Markus)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Olivier ,BM (Barnard Markus)	2	1130.1	705.1	2	1122.3	705.1	0	0	0	0	0	0
6	Le Roux ,D (Daniel)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	Le Roux ,D (Daniel)	2	1106.4	681.4	2	1079.6	681.4	0	0	0	0	0	0
7	Friedrich ,R (Ruhan)	2	0	-425	2	0	-425	0	0	0	0	0	0
7	Friedrich ,R (Ruhan)	2	676.8	251.8	2	671.6	251.8	0	0	0	0	0	0
8	Nel ,H (Henco)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
8	Nel ,H (Henco)	2	1013	1225.4	2	990	1225.4	0	0	0	0	0	0
9	Oosthuizen ,RG (Rudolph Gerhardus)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Oosthuizen ,RG (Rudolph Gerhardus)	1	548.8	123.8	1	548.8	123.8	0	0	0	0	0	0
10	Van Der Westhuizen ,W (Wihan)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Van Der Westhuizen ,W (Wihan)	1	1040.8	615.8	1	1040.8	615.8	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

Van Der Walt, AJ (Antonie Johannes)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms