Chess South Africa Ratings Database

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Personal

Du Toit, GJ (Gerhardus (Eghardt) Johannes)

Chess SA id

105052031

FIDE id

Date of birth

2005-07-01 (Adult)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-12-08

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1532	1527.3	1421.1	1021
Raw rating	1532	1527.3	1421.1	1021
Weighted rating	1528.2	1523.7	1417.6	1021
Weighted performance	1283.5	1277.8	0	0
Floor	1038.2	1031.8	921.1	570.6
K-factor	32	32	32	40
Min/Max rating change allowed	103.3	104	121	214
Highest rating	1555 2023-08-01	1548.6 2023-08-01	1421.1 2024-02-01	1200 2018-02-01
Highest raw rating	1538.2 2023-10-01	1531.8 2023-10-01	1421.1 2024-02-01	1070.6 2018-02-01
Highest weighted rating	1526 2025-08-01	1521.3 2025-08-01	1409.4 2025-08-01	1070.6 2024-11-01
Highest weighted performance	1555 2023-08-01	1548.6 2023-08-01	1200 2024-02-01	1200 2018-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1532	1527.3	1421.1	1021
Analysis
Rating	1532	1527.3	1421.1	1021
Raw rating	1532	1527.3	1421.1	1021
Weighted rating	1528.2	1523.7	1417.6
Weighted performance	1283.5	1277.8	0
K-factor	32	32	32	40
Floor	1038.2	1031.8	921.1	570.6
Max/Min rating change allowed	103.3	104	121	214
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	1532	1527.3	1421.1	1021
New weighted rating	1529.2	1524.7	1419.9	1021
New weighted performance	1283	1277.3	0	0
Temp new rating	1532	1527.3	1421.1	1021
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1532	1527.3	1421.1	1021
New K-factor	32	32	32	40
New floor	1038.2	1031.8	921.1	570.6

Item	Main	Standard	Blitz
	0	0	0
	0	0	0
	14	14	0
	24	24	0
	30	30	0
	27	27	0
History	578	565	13

Games since
	Main 19	Standard 19		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	282	173.5	61.52	98	1300.6	1398.6
Standard	269	167	62.08	102.7	1301.2	1403.9
Rapid	0	0	0	0	0	0
Blitz	13	6.5	50	0	1287.7	1287.7

Date	Main	Standard	Rapid	Blitz
2025-09-30	1532	1527.3	1421.1	1021
2025-09-01	1532	1527.3	1421.1	1021
2025-08-01	1532	1527.3	1421.1	1021
2025-07-01	1532	1527.3	1421.1	1021
2025-06-01	1532	1527.3	1421.1	1021
2025-05-01	1532	1527.3	1421.1	1021
2025-04-01	1532	1527.3	1421.1	1021
2025-03-01	1532	1527.3	1421.1	1021
2025-02-01	1532	1527.3	1421.1	1021
2025-01-01	1532	1527.3	1421.1	1021
2024-12-01	1526.6	1523.1	1421.1	1021
2024-11-01	1526.6	1523.1	1421.1	1021
2024-10-01	1526.6	1523.1	1421.1	1021
2024-09-01	1526.6	1523.1	1421.1	1021
2024-08-01	1526.6	1523.1	1421.1	1021
2024-07-01	1526.6	1523.1	1421.1	1021
2024-06-01	1526.6	1523.1	1421.1	1021
2024-08-01	1526.6	1523.1	1421.1	1021
2024-04-01	1509.3	1503.9	1421.1	1021
2024-03-01	1509.3	1503.9	1421.1	1021
2024-02-01	1509.3	1503.9	1421.1	1021
2024-01-01	1475	1463.6	1421.1	1021
2023-12-01	1475	1463.6	1070.6	1021
2023-11-01	1475	1463.6	1070.6	1021

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	Gauteng Inter-Region at UJ 2024 (U20)	2024-12-07	2024-12-08	Standard	Johannesburg Metro (GJM)	5	4	3	Yes	Analysis
2	2024 Milos Ristic Open Chess Tournament (A)	2024-04-27	2024-04-27	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
3	2024 Gauteng Inter-Region Chess Championship (U20 Open+Girls)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
4	2023 Gauteng Noord (B)	2023-10-14	2023-10-15	Standard	Tshwane (GTP)	5	5	1.5	Yes	Analysis
5	2023 Woman's Day Open Chess Tournament (Queen)	2023-08-09	2023-08-09	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
6	2023 Tshwane South School District CLOSED League Championship (U19)	2023-07-29	2023-07-29	Standard	Tshwane (GTP)	5	4	3	Yes	Analysis
7	2023 Milos Ristic Open Tournament (B)	2023-04-27	2023-04-27	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
8	2023 Tshwane Chess Open Registration Tournament (B1)	2023-01-28	2023-01-28	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
9	2022 Gauteng Schools Team Championships (U19 Open)	2022-08-26	2022-08-26	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
10	2022 Blou Bul Open (B)	2022-06-25	2022-06-26	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
11	South African Junior Closed Chess Championships 2022 (U18 Open)	2022-03-28	2022-04-02	Standard	Chess South Africa (CSA)	11	10	3	Yes	Analysis
12	2022 Gauteng Interregion (U18 Open)	2022-02-26	2022-02-26	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
13	2022 Tshwane Chess Open Registration Tournament (B)	2022-01-29	2022-01-29	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
14	2021 Milos Ristic Open (B)	2021-10-09	2021-10-09	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
15	2021 Etienne Lewis Closed Trials (U18+U20 Open)	2021-09-24	2021-09-26	Standard	Nelson Mandela Bay (ENM)	7	7	3.5	Yes	Analysis
16	2021 Alekhine Open (B)	2021-08-14	2021-08-15	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
17	2021 Chris Greyling Open Tournament (B)	2021-05-08	2021-05-08	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
18	2021 Blou Bul Tournament (B)	2021-04-10	2021-04-10	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
19	2020 Wynie Robbertse Open Chess Tournament (B)	2020-03-07	2020-03-07	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
20	Grey College Team Championship 2020 (A)	2020-01-31	2020-02-01	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
21	2020 Registration Tournament (B)	2020-01-25	2020-01-25	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
22	2019 South African Top Schools Team Championships (U15+U17 Open)	2020-01-10	2020-01-11	Standard	4 Knights (4K)	5	3	2.5	Yes	Analysis
23	2019 South African Junior Team Championships (U16B)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	4.5	Yes	Analysis
24	Waterkloof end of Year Blitz 2019	2019-10-17	2019-10-17	Blitz	Chess Excellence (CEX)	6	6	2.5	Yes	Analysis
25	2019 Etienne Lewis Trials (U16 Boys)	2019-08-30	2019-09-01	Standard	Tshwane (GTP)	7	7	2.5	Yes	Analysis
26	2019 Jacaranda Round Robin (E)	2019-08-03	2019-08-03	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
27	2019 Gauteng School League Finals (U15 Open)	2019-08-24	2019-08-24	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
28	2019 Alekhine Open (B)	2019-08-09	2019-08-10	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
29	2019 SA Schools Winter Games (U15 Boys)	2019-07-01	2019-07-04	Standard	Ethekwini (KED)	7	7	4.5	Yes	Analysis
30	2019 Menlo Open (B)	2019-07-13	2019-07-13	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
31	2019 D4 Tshwane South Schools League Team Finals (U15)	2019-07-27	2019-07-27	Standard	Tshwane (GTP)	5	5	5	Yes	Analysis
32	2019 Gauteng Secondary Schools Individual Chess Championships (U15 Boys)	2019-05-25	2019-05-25	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
33	2019 D4 Individual Finals (U15 Mixed)	2019-03-09	2019-03-09	Standard	Tshwane (GTP)	5	4	2	Yes	Analysis
34	2019 Blou Bul (B)	2019-02-16	2019-02-16	Standard	Tshwane (GTP)	5	4	2	Yes	Analysis
35	2019 Piet Robbertse (B)	2019-02-01	2019-02-03	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
36	Grey College Team Championship 2019 (A)	2019-02-22	2019-02-23	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
37	2019 Tshwane Chess Registration Tournament (B)	2019-01-26	2019-01-26	Standard	Tshwane (GTP)	5	5	1.5	Yes	Analysis
38	2018 Tshwane Inter Region (U14B)	2018-12-01	2018-12-01	Standard	Cape Town (WCT)	5	4	4	Yes	Analysis
39	South African Junior Blitz 2018 (U14)	2018-12-19	2018-12-19	Blitz	4 Knights (4K)	7	7	4	Yes	Analysis
40	2018 Wild Card Chess Championships (U14 Open)	2018-12-21	2018-12-24	Standard	4 Knights (4K)	7	7	4	Yes	Analysis
41	South African Junior Team Championships 2018 (U14A)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	5	Yes	Analysis
42	2018 Lardies Ope (B)	2018-10-27	2018-10-27	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
43	2018 Etienne Lewis Trials (U14 Boys)	2018-08-31	2018-09-02	Standard	Tshwane (GTP)	7	7	4.5	Yes	Analysis
44	2018 Mid Gauteng Open (B)	2018-08-18	2018-08-18	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
45	2018 Alekhine Open (B)	2018-08-09	2018-08-11	Standard	Tshwane (GTP)	6	6	3	Yes	Analysis
46	2018 Lubowski Open (B)	2018-05-12	2018-05-12	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
47	2018 Gauteng Secondary Schools Individual Chess Championships (U13 Boys)	2018-05-25	2018-05-25	Standard	Tshwane (GTP)	5	5	4.5	Yes	Analysis
48	2018 Chris Greyling Open (C)	2018-04-21	2018-04-21	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
49	2018 Capablanca Swiss (B)	2018-04-27	2018-04-29	Standard	Tshwane (GTP)	7	7	4	Yes	Analysis
50	2018 D3 Tshwane North Individual Chess Championships (U13 Boys)	2018-03-24	2018-03-24	Standard	Tshwane (GTP)	5	5	5	Yes	Analysis
51	South African Junior Wildcard Championships 2017 (U14 Open)	2018-01-09	2018-01-12	Standard	4 Knights (4K)	7	7	3	Yes	Analysis
52	South African Junior Team Championships 2017 (U14C)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	7	Yes	Analysis

#	Games	Start				End
1	11	Tournament 2018 Tshwane Inter Region				Tournament South African Junior Blitz 2018
		date 2018-12-01	rnd 1	type Standard	result 1	date 2018-12-19	rnd 1	type Blitz	result 1
		Opponent Van Straaten, MJ (Matthys)				Opponent Chang, S (Sebastian)
2	10	Tournament 2019 Jacaranda Round Robin				Tournament 2019 Gauteng School League Finals
		date 2019-08-03	rnd 5	type Standard	result 0.5	date 2019-08-24	rnd 4	type Standard	result 1
		Opponent Amrouni, G (Gabrielle)				Opponent Van Zyl, J (Jan)
3	8	Tournament 2018 Lubowski Open				Tournament 2018 Alekhine Open
		date 2018-05-12	rnd 4	type Standard	result 0.5	date 2018-08-09	rnd 1	type Standard	result 1
		Opponent Odendaal, MM (Mikhal)				Opponent Amrouni, G (Gabrielle)

#	Games	Start				End
1	10	Tournament 2019 Jacaranda Round Robin				Tournament 2019 Gauteng School League Finals
		date 2019-08-03	rnd 5	type Standard	result 0.5	date 2019-08-24	rnd 4	type Standard	result 1
		Opponent Amrouni, G (Gabrielle)				Opponent Van Zyl, J (Jan)
2	10	Tournament 2018 Tshwane Inter Region				Tournament South African Junior Team Championships 2018
		date 2018-12-01	rnd 1	type Standard	result 1	date 2018-12-19	rnd 6	type Standard	result 0.5
		Opponent Van Straaten, MJ (Matthys)				Opponent Smith, R (Reuben)
3	8	Tournament 2018 Lubowski Open				Tournament 2018 Alekhine Open
		date 2018-05-12	rnd 4	type Standard	result 0.5	date 2018-08-09	rnd 1	type Standard	result 1
		Opponent Odendaal, MM (Mikhal)				Opponent Amrouni, G (Gabrielle)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Waterkloof end of Year Blitz 2019				Tournament Waterkloof end of Year Blitz 2019
		date 2019-10-17	rnd 2	type Blitz	result 1	date 2019-10-17	rnd 3	type Blitz	result 1
		Opponent Booysen, W (Wim)				Opponent Anderson, S (Shane)
2	2	Tournament South African Junior Blitz 2018				Tournament South African Junior Blitz 2018
		date 2018-12-19	rnd 3	type Blitz	result 1	date 2018-12-19	rnd 4	type Blitz	result 1
		Opponent Edwards, B (Brandon)				Opponent Daniels, M (Muhammed)
3	1	Tournament Waterkloof end of Year Blitz 2019				Tournament Waterkloof end of Year Blitz 2019
		date 2019-10-17	rnd 5	type Blitz	result 0.5	date 2019-10-17	rnd 5	type Blitz	result 0.5
		Opponent Timmerman, ME (Mischke)				Opponent Timmerman, ME (Mischke)

#	Games	Start				End
1	8	Tournament 2018 Tshwane Inter Region				Tournament South African Junior Team Championships 2018
		date 2018-12-01	rnd 1	type Standard	result 1	date 2018-12-17	rnd 4	type Standard	result 1
		Opponent Van Straaten, MJ (Matthys)				Opponent Sim, E (Enzo)
2	8	Tournament 2018 D3 Tshwane North Individual Chess Championships				Tournament 2018 Chris Greyling Open
		date 2018-03-24	rnd 1	type Standard	result 1	date 2018-04-21	rnd 3	type Standard	result 1
		Opponent Kotu, B (Boipelo)				Opponent Shongoane, T (Tebogo)
3	8	Tournament South African Junior Team Championships 2017				Tournament South African Junior Wildcard Championships 2017
		date 2018-01-04	rnd 1	type Standard	result 1	date 2018-01-09	rnd 1	type Standard	result 1
		Opponent Muller, K (Kai)				Opponent Botha, RO (Reagan)

#	Games	Start				End
1	8	Tournament 2018 Tshwane Inter Region				Tournament South African Junior Team Championships 2018
		date 2018-12-01	rnd 1	type Standard	result 1	date 2018-12-17	rnd 4	type Standard	result 1
		Opponent Van Straaten, MJ (Matthys)				Opponent Sim, E (Enzo)
2	8	Tournament 2018 D3 Tshwane North Individual Chess Championships				Tournament 2018 Chris Greyling Open
		date 2018-03-24	rnd 1	type Standard	result 1	date 2018-04-21	rnd 3	type Standard	result 1
		Opponent Kotu, B (Boipelo)				Opponent Shongoane, T (Tebogo)
3	8	Tournament South African Junior Team Championships 2017				Tournament South African Junior Wildcard Championships 2017
		date 2018-01-04	rnd 1	type Standard	result 1	date 2018-01-09	rnd 1	type Standard	result 1
		Opponent Muller, K (Kai)				Opponent Botha, RO (Reagan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Waterkloof end of Year Blitz 2019				Tournament Waterkloof end of Year Blitz 2019
		date 2019-10-17	rnd 2	type Blitz	result 1	date 2019-10-17	rnd 3	type Blitz	result 1
		Opponent Booysen, W (Wim)				Opponent Anderson, S (Shane)
2	2	Tournament South African Junior Blitz 2018				Tournament South African Junior Blitz 2018
		date 2018-12-19	rnd 3	type Blitz	result 1	date 2018-12-19	rnd 4	type Blitz	result 1
		Opponent Edwards, B (Brandon)				Opponent Daniels, M (Muhammed)
3	1	Tournament South African Junior Blitz 2018				Tournament South African Junior Blitz 2018
		date 2018-12-19	rnd 6	type Blitz	result 1	date 2018-12-19	rnd 6	type Blitz	result 1
		Opponent Meyer, J (Jordan)				Opponent Meyer, J (Jordan)

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	De Swardt ,E (Eduan)	6	3	0	6	3	0	0	0	0	0	0	0
1	De Swardt ,E (Eduan)	6	1280.3	1280.3	6	1276.3	1280.3	0	0	0	0	0	0
2	Koning ,L (Lehan)	4	1.5	-106.2	4	1.5	-106.2	0	0	0	0	0	0
2	Koning ,L (Lehan)	4	1454.1	1347.8	4	1451.1	1347.8	0	0	0	0	0	0
3	Fourie ,B (Brandon)	4	0	-425	4	0	-425	0	0	0	0	0	0
3	Fourie ,B (Brandon)	4	1742.8	1317.8	4	1745	1317.8	0	0	0	0	0	0
4	Amrouni ,G (Gabrielle)	4	3.5	318.8	4	3.5	318.8	0	0	0	0	0	0
4	Amrouni ,G (Gabrielle)	4	1259.8	1578.5	4	1259	1578.5	0	0	0	0	0	0
5	Smit ,D (Devon)	3	0	-425	3	0	-425	0	0	0	0	0	0
5	Smit ,D (Devon)	3	1830.7	1405.7	3	1829.1	1405.7	0	0	0	0	0	0
6	Vorster ,T (Tyrone)	3	1.5	0	3	1.5	0	0	0	0	0	0	0
6	Vorster ,T (Tyrone)	3	1403.3	1403.3	3	1411.1	1403.3	0	0	0	0	0	0
7	Reyneke ,HJ (Hugo Josephus)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
7	Reyneke ,HJ (Hugo Josephus)	3	1474.1	1332.5	3	1483.2	1332.5	0	0	0	0	0	0
8	Odendaal ,MM (Mikhal Marcus)	3	2.5	283.3	3	2.5	283.3	0	0	0	0	0	0
8	Odendaal ,MM (Mikhal Marcus)	3	1236.2	1519.5	3	1231.3	1519.5	0	0	0	0	0	0
9	Oosthuizen ,MJ (Michal Jacobus)	3	0.5	-283.3	3	0.5	-283.3	0	0	0	0	0	0
9	Oosthuizen ,MJ (Michal Jacobus)	3	1601.4	1318.1	3	1603.3	1318.1	0	0	0	0	0	0
10	Ristic ,A (Andrej)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
10	Ristic ,A (Andrej)	3	1474.6	1332.9	3	1462.5	1332.9	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Du Toit, GJ (Gerhardus (Eghardt) Johannes)

Ratings

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Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms