Chess South Africa Ratings Database

PLAYER PAGE

Personal

Diplock, GT (Graham Trevor)

Chess SA id

198007398

FIDE id

Date of birth

1998-07-03 (Adult)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-16

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1699.7	1714.5	1473.6	1537.2
Raw rating	1699.7	1714.5	1473.6	1535.4
Weighted rating	1577.4	1601.2	1432	1537.2
Weighted performance	1699.4	1556.5	0	0
Floor	1199.7	1214.5	1038	1038
K-factor	28	28	32	32
Min/Max rating change allowed	81.4	79.7	112.3	102.8
Highest rating	1751.4 2021-11-01	1750.7 2021-11-01	1538 2019-12-01	1538 2024-02-01
Highest raw rating	1699.7 2025-11-01	1714.5 2025-11-01	1538 2019-12-01	1538 2024-02-01
Highest weighted rating	1586.1 2023-06-01	1601.2 2025-11-01	1538 2019-12-01	1538 2024-02-01
Highest weighted performance	1751.4 2021-11-01	1750.7 2021-11-01	1349.6 2023-10-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	-0.2
New rating	1699.7	1714.5	1473.6	1537.1
Analysis
Rating	1699.7	1714.5	1473.6	1537.2
Raw rating	1699.7	1714.5	1473.6	1535.4
Weighted rating	1577.4	1601.2	1432
Weighted performance	1699.4	1556.5	0
K-factor	28	28	32	32
Floor	1199.7	1214.5	1038	1038
Max/Min rating change allowed	81.4	79.7	112.3	102.8
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	1699.7	1714.5	1473.6	1535.4
New weighted rating	1588.3	1611.2	1435.9	1537.1
New weighted performance	1689.1	1546.1	0	0
Temp new rating	1699.7	1714.5	1473.6	1537.1
Temp new rating +/-	0	0	0	-0.2
Final new rating +/-	0	0	0	-0.2
New rating	1699.7	1714.5	1473.6	1537.1
New K-factor	28	28	32	32
New floor	1199.7	1214.5	1038	1038

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	26	13	6	7
	9	5	4	0
	21	6	15	0
	5	5	0	0
	5	5	0	0
History	609	552	45	12

Games since
	Main 35	Standard 18		Rapid 10		Blitz 7
Gender	Male
Age group	Adult
Region	Johannesburg Metro (GJM)
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	26	19.5	75	212.5	1556	1768.5
Standard	13	11.5	88.46	326.9	1575.8	1902.7
Rapid	6	4	66.67	141.7	1611.9	1753.6
Blitz	7	4	57.14	60.7	1471.2	1531.9
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	66	38	57.58	64.4	1560.2	1624.6
Standard	34	24	70.59	175	1557.3	1732.3
Rapid	25	10	40	-85	1589.1	1504.1
Blitz	7	4	57.14	60.7	1471.2	1531.9

Date	Main	Standard	Rapid	Blitz
2025-11-01	1699.7	1714.5	1473.6	1535.4
2025-09-30	1618.6	1628.5	1473.6	1535.4
2025-09-01	1618.6	1628.5	1473.6	1535.4
2025-08-01	1618.6	1628.5	1473.6	1535.4
2025-07-01	1552.2	1581.3	1419.7	1538
2025-06-01	1552.2	1581.3	1419.7	1538
2025-05-01	1552.2	1581.3	1419.7	1538
2025-04-01	1552.2	1581.3	1419.7	1538
2025-03-01	1552.2	1581.3	1419.7	1538
2025-02-01	1552.2	1581.3	1419.7	1538
2025-01-01	1552.2	1581.3	1406.7	1538
2024-12-01	1552.2	1581.3	1406.7	1538
2024-11-01	1552.2	1581.3	1406.7	1538
2024-10-01	1552.2	1581.3	1406.7	1538
2024-09-01	1552.2	1581.3	1406.7	1538
2024-08-01	1552.2	1581.3	1406.7	1538
2024-07-01	1552.2	1581.3	1406.7	1538
2024-09-01	1536.3	1569.1	1406.7	1538
2024-05-01	1536.3	1569.1	1406.7	1538
2024-04-01	1536.3	1569.1	1406.7	1538
2024-03-01	1536.3	1569.1	1406.7	1538
2024-02-01	1552.7	1569.1	1443.5	1538
2024-01-01	1552.7	1569.1	1443.5	1538
2023-12-01	1528.2	1569.1	1443.5	1538

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	Randburg Winter Swiss 2025	2025-07-29	2025-09-16	Standard	Johannesburg Metro (GJM)	8	8	7	Yes	Analysis
2	JMC - Trinity Randpark Ridge 2025 (B)	2025-07-26	2025-07-26	Standard	Johannesburg Metro (GJM)	5	5	4.5	Yes	Analysis
3	Randburg Chess Club Winter Rapid 2025	2025-07-15	2025-07-22	Rapid	Johannesburg Metro (GJM)	6	6	4	Yes	Analysis
4	Randburg Club Champs Blitz 2025	2025-07-08	2025-07-08	Blitz	Johannesburg Metro (GJM)	7	7	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Randburg Winter Swiss 2025	2025-07-29	2025-09-16	Standard	Johannesburg Metro (GJM)	8	8	7	Yes	Analysis
2	JMC - Trinity Randpark Ridge 2025 (B)	2025-07-26	2025-07-26	Standard	Johannesburg Metro (GJM)	5	5	4.5	Yes	Analysis
3	Randburg Chess Club Winter Rapid 2025	2025-07-15	2025-07-22	Rapid	Johannesburg Metro (GJM)	6	6	4	Yes	Analysis
4	Randburg Club Champs Blitz 2025	2025-07-08	2025-07-08	Blitz	Johannesburg Metro (GJM)	7	7	4	Yes	Analysis
5	JMC Trinityhouse Little Falls 2024 (B)	2024-06-02	2024-06-02	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
6	Ekurhuleni North Chess Club Open Tournament 2024 (A+B)	2024-03-02	2024-03-02	Rapid	Ehlanzeni (MEN)	7	0	0	No	Analysis
7	Gear Up Mzansi Rapid 2024 (Expert)	2024-02-17	2024-02-17	Rapid	Johannesburg Metro (GJM)	5	4	0	Yes	Analysis
8	Randburg Club Championships Swiss 2023	2023-08-29	2023-10-10	Standard	Johannesburg Metro (GJM)	7	1	0	Yes	Analysis
9	Mzansi Bryanston Rapid 2023 (Advanced)	2023-10-07	2023-10-07	Rapid	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
10	Mzansi Spring Rapid 2023	2023-09-02	2023-09-02	Rapid	Johannesburg Metro (GJM)	7	7	4	Yes	Analysis
11	Randburg Mid-Year Themed Rapid 2023	2023-05-30	2023-06-06	Rapid	Johannesburg Metro (GJM)	6	3	0	Yes	Analysis
12	Randburg New Year Swiss 2023	2023-01-31	2023-03-14	Standard	Johannesburg Metro (GJM)	7	5	4	Yes	Analysis
13	JMC Charterhouse Open 2022 (A)	2022-02-12	2022-02-12	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
14	Mabaleng Chess Open 2021 (A)	2021-11-27	2021-11-27	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis

#	Games	Start				End
1	13	Tournament JMC - Trinity Randpark Ridge 2025				Tournament Randburg Winter Swiss 2025
		date 2025-07-26	rnd 1	type Standard	result 1	date 2025-09-16	rnd 8	type Standard	result 1
		Opponent Rademeyer, F (Frederick Paul)				Opponent Jolliffe, SR (Shaun)
2	8	Tournament Randburg Club Champs Blitz 2025				Tournament Randburg Chess Club Winter Rapid 2025
		date 2025-07-08	rnd 5	type Blitz	result 1	date 2025-07-22	rnd 5	type Rapid	result 1
		Opponent Nemataheni, D (Dzithendo)				Opponent Mungal, E (Ethan)
3	3	Tournament JMC Trinityhouse Little Falls 2024				Tournament Randburg Club Champs Blitz 2025
		date 2024-06-02	rnd 4	type Standard	result 1	date 2025-07-08	rnd 1	type Blitz	result 1
		Opponent Bender, J (Jandre)				Opponent Jacobs, T (Tristan Lee)

#	Games	Start				End
1	7	Tournament JMC Trinityhouse Little Falls 2024				Tournament JMC - Trinity Randpark Ridge 2025
		date 2024-06-02	rnd 4	type Standard	result 1	date 2025-07-26	rnd 5	type Standard	result 1
		Opponent Bender, J (Jandre)				Opponent Khalife, A (Arham)
2	3	Tournament Randburg New Year Swiss 2023				Tournament Randburg New Year Swiss 2023
		date 2023-02-21	rnd 4	type Standard	result 1	date 2023-03-07	rnd 6	type Standard	result 1
		Opponent Loon, M (Marc)				Opponent Essop, R (Rashied)
3	3	Tournament Mabaleng Chess Open 2021				Tournament Mabaleng Chess Open 2021
		date 2021-11-27	rnd 3	type Standard	result 1	date 2021-11-27	rnd 5	type Standard	result 1
		Opponent Snyckers, A (Adam)				Opponent Snyckers, FA (Frank)

#	Games	Start				End
1	5	Tournament Randburg Chess Club Winter Rapid 2025				Tournament Randburg Chess Club Winter Rapid 2025
		date 2025-07-15	rnd 1	type Rapid	result 1	date 2025-07-22	rnd 5	type Rapid	result 1
		Opponent Harmse, J (Justin)				Opponent Mungal, E (Ethan)
2	2	Tournament Mzansi Spring Rapid 2023				Tournament Mzansi Bryanston Rapid 2023
		date 2023-09-02	rnd 7	type Rapid	result 1	date 2023-10-07	rnd 1	type Rapid	result 1
		Opponent Netshivhulana, R (Ronewa Philip)				Opponent Shaik, M (Muhaimin)
3	2	Tournament Mzansi Spring Rapid 2023				Tournament Mzansi Spring Rapid 2023
		date 2023-09-02	rnd 4	type Rapid	result 1	date 2023-09-02	rnd 5	type Rapid	result 1
		Opponent Horn, E (Evan)				Opponent Arokiam, E (Ethan)

#	Games	Start				End
1	3	Tournament Randburg Club Champs Blitz 2025				Tournament Randburg Club Champs Blitz 2025
		date 2025-07-08	rnd 5	type Blitz	result 1	date 2025-07-08	rnd 7	type Blitz	result 1
		Opponent Nemataheni, D (Dzithendo)				Opponent Hangelbroek, P (Peter)
2	1	Tournament Randburg Club Champs Blitz 2025				Tournament Randburg Club Champs Blitz 2025
		date 2025-07-08	rnd 1	type Blitz	result 1	date 2025-07-08	rnd 1	type Blitz	result 1
		Opponent Jacobs, T (Tristan Lee)				Opponent Jacobs, T (Tristan Lee)

#	Games	Start				End
1	4	Tournament Randburg Club Champs Blitz 2025				Tournament Randburg Chess Club Winter Rapid 2025
		date 2025-07-08	rnd 5	type Blitz	result 1	date 2025-07-15	rnd 1	type Rapid	result 1
		Opponent Nemataheni, D (Dzithendo)				Opponent Harmse, J (Justin)
2	3	Tournament JMC - Trinity Randpark Ridge 2025				Tournament JMC - Trinity Randpark Ridge 2025
		date 2025-07-26	rnd 1	type Standard	result 1	date 2025-07-26	rnd 3	type Standard	result 1
		Opponent Rademeyer, F (Frederick Paul)				Opponent Ahmid, K (Kaleem)
3	3	Tournament JMC Trinityhouse Little Falls 2024				Tournament Randburg Club Champs Blitz 2025
		date 2024-06-02	rnd 4	type Standard	result 1	date 2025-07-08	rnd 1	type Blitz	result 1
		Opponent Bender, J (Jandre)				Opponent Jacobs, T (Tristan Lee)

#	Games	Start				End
1	5	Tournament JMC Trinityhouse Little Falls 2024				Tournament JMC - Trinity Randpark Ridge 2025
		date 2024-06-02	rnd 4	type Standard	result 1	date 2025-07-26	rnd 3	type Standard	result 1
		Opponent Bender, J (Jandre)				Opponent Ahmid, K (Kaleem)
2	3	Tournament Randburg New Year Swiss 2023				Tournament Randburg New Year Swiss 2023
		date 2023-02-21	rnd 4	type Standard	result 1	date 2023-03-07	rnd 6	type Standard	result 1
		Opponent Loon, M (Marc)				Opponent Essop, R (Rashied)
3	3	Tournament Mabaleng Chess Open 2021				Tournament Mabaleng Chess Open 2021
		date 2021-11-27	rnd 3	type Standard	result 1	date 2021-11-27	rnd 5	type Standard	result 1
		Opponent Snyckers, A (Adam)				Opponent Snyckers, FA (Frank)

#	Games	Start				End
1	2	Tournament Mzansi Spring Rapid 2023				Tournament Mzansi Bryanston Rapid 2023
		date 2023-09-02	rnd 7	type Rapid	result 1	date 2023-10-07	rnd 1	type Rapid	result 1
		Opponent Netshivhulana, R (Ronewa Philip)				Opponent Shaik, M (Muhaimin)
2	2	Tournament Mzansi Spring Rapid 2023				Tournament Mzansi Spring Rapid 2023
		date 2023-09-02	rnd 4	type Rapid	result 1	date 2023-09-02	rnd 5	type Rapid	result 1
		Opponent Horn, E (Evan)				Opponent Arokiam, E (Ethan)
3	1	Tournament Randburg Chess Club Winter Rapid 2025				Tournament Randburg Chess Club Winter Rapid 2025
		date 2025-07-22	rnd 5	type Rapid	result 1	date 2025-07-22	rnd 5	type Rapid	result 1
		Opponent Mungal, E (Ethan)				Opponent Mungal, E (Ethan)

#	Games	Start				End
1	3	Tournament Randburg Club Champs Blitz 2025				Tournament Randburg Club Champs Blitz 2025
		date 2025-07-08	rnd 5	type Blitz	result 1	date 2025-07-08	rnd 7	type Blitz	result 1
		Opponent Nemataheni, D (Dzithendo)				Opponent Hangelbroek, P (Peter)
2	1	Tournament Randburg Club Champs Blitz 2025				Tournament Randburg Club Champs Blitz 2025
		date 2025-07-08	rnd 1	type Blitz	result 1	date 2025-07-08	rnd 1	type Blitz	result 1
		Opponent Jacobs, T (Tristan Lee)				Opponent Jacobs, T (Tristan Lee)

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	Jolliffe ,SR (Shaun)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
1	Jolliffe ,SR (Shaun)	2	1578.7	1791.2	2	1577.6	1791.2	0	0	0	0	0	0
2	Essop ,H (Haroon)	2	1	0	2	1	0	0	0	0	0	0	0
2	Essop ,H (Haroon)	2	1468.1	1468.1	2	1459	1468.1	0	0	0	0	0	0
3	Snyckers ,A (Adam)	2	2	425	2	2	425	0	0	0	0	0	0
3	Snyckers ,A (Adam)	2	1567.4	1992.4	2	1568.1	1992.4	0	0	0	0	0	0
4	Mungal ,E (Ethan)	2	2	425	1	1	425	1	1	425	0	0	0
4	Mungal ,E (Ethan)	2	1635	2060	1	1512	2060	1	1504.1	2060	0	0	0
5	Harmse ,J (Justin)	2	2	425	1	1	425	1	1	425	0	0	0
5	Harmse ,J (Justin)	2	1215.6	1640.6	1	1212.8	1640.6	1	1157.9	1640.6	0	0	0
6	Loon ,M (Marc)	2	1	0	1	1	425	1	0	-425	0	0	0
6	Loon ,M (Marc)	2	1286.6	1286.6	1	1253.2	1711.6	1	1200	861.6	0	0	0
7	Mlahleki ,V (Vusimuzi)	2	0	-425	1	0	-425	1	0	-425	0	0	0
7	Mlahleki ,V (Vusimuzi)	2	1974	1549	1	1972.1	1549	1	1863.6	1549	0	0	0
8	Essop ,R (Rashied)	2	1	0	1	1	425	1	0	-425	0	0	0
8	Essop ,R (Rashied)	2	1464.7	1464.7	1	1421.7	1889.7	1	1438.4	1039.7	0	0	0
9	Tak ,R (Rannveer)	2	1.5	212.5	1	1	425	1	0.5	0	0	0	0
9	Tak ,R (Rannveer)	2	1572.2	1784.7	1	1379.8	1997.2	1	1591.7	1572.2	0	0	0
10	Mendelsohn ,DC (David Charles)	2	1.5	212.5	1	0.5	0	1	1	425	0	0	0
10	Mendelsohn ,DC (David Charles)	2	1694.3	1906.8	1	1746.7	1694.3	1	1804.9	2119.3	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Diplock, GT (Graham Trevor)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms