Chess South Africa Ratings Database

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Personal

Elvin, D (David)

Chess SA id

1080119822

FIDE id

Date of birth

2008-03-03 (U18)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-07-05

Personal details last changed

1900-01-01

Junior GPX Games

40.4

Junior GPX Points

1584

Item	Main	Standard	Rapid	Blitz
Rating	1669.6	1679.2	1340.1	1200
Raw rating	1662.9	1672.2	1340.1	1200
Weighted rating	1669.6	1679.2	1310.7	1200
Weighted performance	1533.8	1563.8	1191.6	0
Floor	1225.1	1237.4	840.1	700
K-factor	28	28	36	36
Min/Max rating change allowed	85.7	84.6	135.8	165.8
Highest rating	1725.1 2025-03-01	1737.4 2025-03-01	1361.4 2023-09-01	1200 2018-10-01
Highest raw rating	1725.1 2025-03-01	1737.4 2025-03-01	1340.1 2025-05-05	1200 2024-02-01
Highest weighted rating	1662.3 2025-08-01	1671.2 2025-08-01	1303.1 2025-08-01	1200 2018-10-01
Highest weighted performance	1725.1 2025-03-01	1737.4 2024-08-01	1361.4 2023-09-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	2.6	2.8	0	0
New rating	1672.1	1682.1	1340.1	1200
Analysis
Rating	1669.6	1679.2	1340.1	1200
Raw rating	1662.9	1672.2	1340.1	1200
Weighted rating	1669.6	1679.2	1310.7
Weighted performance	1533.8	1563.8	1191.6
K-factor	28	28	36	36
Floor	1225.1	1237.4	840.1	700
Max/Min rating change allowed	85.7	84.6	135.8	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	1662.9	1672.2	1340.1	1200
New weighted rating	1672.1	1682.1	1314.1	1200
New weighted performance	1533.2	1563.2	1191.2	0
Temp new rating	1672.1	1682.1	1340.1	1200
Temp new rating +/-	2.6	2.8	0	0
Final new rating +/-	2.6	2.8	0	0
New rating	1672.1	1682.1	1340.1	1200
New K-factor	28	28	36	36
New floor	1225.1	1237.4	840.1	700

Item	Main	Standard	Rapid
	0	0	0
	35	30	5
	95	85	10
	57	40	17
	9	9	0
	0	0	0
History	201	169	32

Games since
	Main 154	Standard 132		Rapid 22		Blitz 0
Gender	Male
Age group	U18
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	371		144		60
Male	349		134		52
U18	47		19		6
U18 Male	47		19		6
Standard
	RSA		Province		Region
Overall	333		138		56
Male	313		129		49
U18	41		19		6
U18 Male	41		19		6
Rapid
	RSA		Province		Region
Overall	793		136		64
Male	659		109		57
U18	99		14		4
U18 Male	90		12		4
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	35	18	51.43	12.1	1639.3	1651.5
Standard	30	14	46.67	-28.3	1685.6	1657.3
Rapid	5	4	80	255	1361.7	1616.7
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	201	123.5	61.44	97.3	1476.2	1573.5
Standard	169	101	59.76	83	1500.6	1583.6
Rapid	32	22.5	70.31	172.7	1347.3	1519.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1662.9	1672.2	1340.1	1200
2025-09-01	1662.9	1672.2	1340.1	1200
2025-08-01	1662.9	1672.2	1340.1	1200
2025-07-01	1709.7	1721.5	1340.1	1200
2025-06-01	1709.7	1721.5	1340.1	1200
2025-05-01	1715.3	1732.4	1340.1	1200
2025-04-01	1721.8	1732.4	1301.3	1200
2025-03-01	1725.1	1737.4	1301.3	1200
2025-02-01	1701.1	1712.5	1301.3	1200
2025-01-01	1701.1	1712.5	1301.3	1200
2024-12-01	1652.1	1655.2	1301.3	1200
2024-11-01	1652.1	1655.2	1301.3	1200
2024-10-01	1639.5	1655.2	1266.4	1200
2024-09-01	1660.9	1696.4	1266.4	1200
2024-08-01	1643.8	1677.4	1266.4	1200
2024-07-01	1616.6	1627.3	1266.4	1200
2024-06-01	1646.2	1627.3	1282.2	1200
2024-08-01	1646.2	1627.3	1282.2	1200
2024-04-01	1568.9	1560.3	1282.2	1200
2024-03-01	1583.2	1583.7	1282.2	1200
2024-02-01	1544.4	1551.6	1282.2	1200
2024-01-01	1443.6	1426.3	1282.2	1200
2023-12-01	1443.6	1426.3	1282.2	1200
2023-11-01	1431.1	1426.3	1255.9	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	South African Open 2025 (B)	2025-06-28	2025-07-05	Standard	Johannesburg Metro (GJM)	11	11	6	Yes	Analysis
2	CPH May 2025 (A)	2025-05-03	2025-05-03	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
3	Chess Molecules Open Tournament 2025 (A)	2025-04-19	2025-04-19	Rapid	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
4	AHS Open Chess Tournament 2025 (A)	2025-03-01	2025-03-01	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
5	Constantiapark Open 2025 (A)	2025-02-15	2025-02-15	Standard	Tshwane (GTP)	5	4	1.5	Yes	Analysis
6	JMC Kick Off 2025 (A)	2025-02-02	2025-02-02	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	South African Open 2025 (B)	2025-06-28	2025-07-05	Standard	Johannesburg Metro (GJM)	11	11	6	Yes	Analysis
2	CPH May 2025 (A)	2025-05-03	2025-05-03	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
3	Chess Molecules Open Tournament 2025 (A)	2025-04-19	2025-04-19	Rapid	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
4	AHS Open Chess Tournament 2025 (A)	2025-03-01	2025-03-01	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
5	Constantiapark Open 2025 (A)	2025-02-15	2025-02-15	Standard	Tshwane (GTP)	5	4	1.5	Yes	Analysis
6	JMC Kick Off 2025 (A)	2025-02-02	2025-02-02	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
7	Gauteng Inter-Region at UJ 2024 (U18 Open)	2024-12-07	2024-12-08	Standard	Johannesburg Metro (GJM)	5	5	5	Yes	Analysis
8	Gauteng Top Schools 2024 (U19 Open)	2024-10-05	2024-10-05	Rapid	Ekurhuleni (GE)	5	5	4	Yes	Analysis
9	2024 Tuks Open Chess Tournament (A)	2024-09-28	2024-09-28	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
10	Centurion Chess Open Tournament 2024 (A)	2024-09-21	2024-09-21	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
11	Gauteng Schools Individuals Finals 2024 (U18 Boys)	2024-08-17	2024-08-17	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
12	JMC Closed 2024 (A)	2024-08-09	2024-08-11	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
13	Ekurhuleni Trails 2 2024 (A)	2024-07-27	2024-07-27	Standard	Ekurhuleni (GE)	4	4	1	Yes	Analysis
14	JMC Trinityhouse Randpark Ridge 2024 (A)	2024-07-13	2024-07-13	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
15	South African Open Chess Championship 2024 (A)	2024-06-29	2024-07-07	Standard	Ethekwini (KED)	11	11	5.5	Yes	Analysis
16	Chess Molecules Open Chess Tournament 2024 (High School Open)	2024-06-15	2024-06-15	Rapid	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
17	2024 Milos Ristic Open Chess Tournament (A)	2024-04-27	2024-04-27	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
18	2024 KSNG CHess Academy Open Tournament (B)	2024-04-06	2024-04-06	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
19	1st Knights Open Tournament 2024 (A)	2024-03-23	2024-03-23	Standard	Johannesburg Metro (GJM)	5	5	1.5	Yes	Analysis
20	2024 Tshwane Chess AHS Open Chess Tournament (C2)	2024-02-24	2024-02-24	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
21	2024 Constantiapark Open (C)	2024-02-17	2024-02-17	Standard	Tshwane (GTP)	5	5	4.5	Yes	Analysis
22	2024 Tshwane Chess OPEN Registration Tournament (C2)	2024-01-27	2024-01-27	Standard	Tshwane (GTP)	5	5	4.5	Yes	Analysis
23	2024 Gauteng Inter-Region Chess Championship (U16B)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
24	JMC Kick Off Tournament 2024 (C)	2024-01-28	2024-01-28	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
25	Ekurhuleni North Chess Club 2023 (B)	2023-12-09	2023-12-09	Rapid	Ekurhuleni (GE)	7	7	5	Yes	Analysis
26	Africawide Chess Championship 2023 (Open)	2023-11-03	2023-11-05	Standard	Johannesburg Metro (GJM)	7	7	3	Yes	Analysis
27	Lardies Open Tournament 2023 (C)	2023-10-28	2023-10-28	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
28	2023 Tuks Open Chess Tournament (C)	2023-10-07	2023-10-07	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
29	Chess Molecules Rapid 2023 (High School Open)	2023-09-23	2023-09-23	Rapid	Ekurhuleni (GE)	5	5	4	Yes	Analysis
30	2023 Gauteng Top Schools (U19 Mixed)	2023-08-19	2023-08-19	Standard	West Rand (GWR)	5	3	2	Yes	Analysis
31	Chess Molecules 16 June Tournament 2023 (High School Open)	2023-06-16	2023-06-16	Rapid	Ekurhuleni (GE)	5	5	3	Yes	Analysis
32	Gauteng Schools Individual Finals 2023 (U15 Boys)	2023-05-27	2023-05-27	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
33	Ekurhuleni Trials 2 2023 (U16)	2023-04-22	2023-04-22	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
34	Ekhuruleni Chess Trials 1 2023 (U16)	2023-03-25	2023-03-25	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
35	Ekurhuleni Springs Open 4 March 2023 (D)	2023-03-04	2023-03-04	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
36	Ekurhuleni Chess Springs Club Open 2022 (D)	2022-09-03	2022-09-03	Standard	Ekurhuleni (GE)	5	4	2	Yes	Analysis
37	Alberton Chess Club Open 2022 (C)	2022-07-16	2022-07-16	Standard	Ekurhuleni (GE)	5	5	5	Yes	Analysis
38	GoForChess Junior Championships 2019 (U12)	2019-11-16	2019-11-16	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis

#	Games	Start				End
1	11	Tournament 2024 Tuks Open Chess Tournament				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-09-28	rnd 5	type Standard	result 0.5	date 2024-12-08	rnd 5	type Standard	result 1
		Opponent Dikobe, GK (Goabaone Khumo)				Opponent Coetsee, D (Dewald)
2	11	Tournament 2024 Gauteng Inter-Region Chess Championship				Tournament JMC Kick Off Tournament 2024
		date 2024-01-14	rnd 4	type Standard	result 1	date 2024-01-28	rnd 4	type Standard	result 1
		Opponent Barnard, M (Martin)				Opponent Kwak, J (Jaeson)
3	8	Tournament GoForChess Junior Championships 2019				Tournament Ekurhuleni Chess Springs Club Open 2022
		date 2019-11-16	rnd 4	type Standard	result 1	date 2022-09-03	rnd 2	type Standard	result 1
		Opponent Mthethwa, L (Liyabona)				Opponent Jain, C (Chesta)

#	Games	Start				End
1	11	Tournament 2024 Gauteng Inter-Region Chess Championship				Tournament JMC Kick Off Tournament 2024
		date 2024-01-14	rnd 4	type Standard	result 1	date 2024-01-28	rnd 4	type Standard	result 1
		Opponent Barnard, M (Martin)				Opponent Kwak, J (Jaeson)
2	8	Tournament GoForChess Junior Championships 2019				Tournament Ekurhuleni Chess Springs Club Open 2022
		date 2019-11-16	rnd 4	type Standard	result 1	date 2022-09-03	rnd 2	type Standard	result 1
		Opponent Mthethwa, L (Liyabona)				Opponent Jain, C (Chesta)
3	6	Tournament 2024 Tuks Open Chess Tournament				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-09-28	rnd 5	type Standard	result 0.5	date 2024-12-08	rnd 5	type Standard	result 1
		Opponent Dikobe, GK (Goabaone Khumo)				Opponent Coetsee, D (Dewald)

#	Games	Start				End
1	10	Tournament Chess Molecules Open Chess Tournament 2024				Tournament Chess Molecules Open Tournament 2025
		date 2024-06-15	rnd 4	type Rapid	result 1	date 2025-04-19	rnd 3	type Rapid	result 1
		Opponent Beifus, A (Aiden)				Opponent Dube, A (Asher)
2	4	Tournament Chess Molecules Rapid 2023				Tournament Ekurhuleni North Chess Club 2023
		date 2023-09-23	rnd 5	type Rapid	result 1	date 2023-12-09	rnd 3	type Rapid	result 1
		Opponent Barradas, K (Keanu)				Opponent Bothma, J (Jaculene)
3	4	Tournament Chess Molecules 16 June Tournament 2023				Tournament Chess Molecules Rapid 2023
		date 2023-06-16	rnd 5	type Rapid	result 1	date 2023-09-23	rnd 3	type Rapid	result 1
		Opponent Waring, G (Gabriel)				Opponent Mathibela, A (Art)

No games found.

#	Games	Start				End

#	Games	Start				End
1	8	Tournament GoForChess Junior Championships 2019				Tournament Ekurhuleni Chess Springs Club Open 2022
		date 2019-11-16	rnd 4	type Standard	result 1	date 2022-09-03	rnd 2	type Standard	result 1
		Opponent Mthethwa, L (Liyabona)				Opponent Jain, C (Chesta)
2	6	Tournament Gauteng Top Schools 2024				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-10-05	rnd 5	type Rapid	result 1	date 2024-12-08	rnd 5	type Standard	result 1
		Opponent Ncube, J (Julisa)				Opponent Coetsee, D (Dewald)
3	6	Tournament 2024 Gauteng Inter-Region Chess Championship				Tournament 2024 Tshwane Chess OPEN Registration Tournament
		date 2024-01-14	rnd 4	type Standard	result 1	date 2024-01-27	rnd 4	type Standard	result 1
		Opponent Barnard, M (Martin)				Opponent Theron, C (Carla)

#	Games	Start				End
1	8	Tournament GoForChess Junior Championships 2019				Tournament Ekurhuleni Chess Springs Club Open 2022
		date 2019-11-16	rnd 4	type Standard	result 1	date 2022-09-03	rnd 2	type Standard	result 1
		Opponent Mthethwa, L (Liyabona)				Opponent Jain, C (Chesta)
2	6	Tournament 2024 Gauteng Inter-Region Chess Championship				Tournament 2024 Tshwane Chess OPEN Registration Tournament
		date 2024-01-14	rnd 4	type Standard	result 1	date 2024-01-27	rnd 4	type Standard	result 1
		Opponent Barnard, M (Martin)				Opponent Theron, C (Carla)
3	6	Tournament 2023 Gauteng Top Schools				Tournament 2023 Tuks Open Chess Tournament
		date 2023-08-19	rnd 2	type Standard	result 1	date 2023-10-07	rnd 4	type Standard	result 1
		Opponent Mlangeni, M (Msizi)				Opponent Nkogatse, P (Phafane)

#	Games	Start				End
1	4	Tournament Gauteng Top Schools 2024				Tournament Chess Molecules Open Tournament 2025
		date 2024-10-05	rnd 5	type Rapid	result 1	date 2025-04-19	rnd 3	type Rapid	result 1
		Opponent Ncube, J (Julisa)				Opponent Dube, A (Asher)
2	4	Tournament Chess Molecules Rapid 2023				Tournament Ekurhuleni North Chess Club 2023
		date 2023-09-23	rnd 5	type Rapid	result 1	date 2023-12-09	rnd 3	type Rapid	result 1
		Opponent Barradas, K (Keanu)				Opponent Bothma, J (Jaculene)
3	4	Tournament Chess Molecules 16 June Tournament 2023				Tournament Chess Molecules Rapid 2023
		date 2023-06-16	rnd 5	type Rapid	result 1	date 2023-09-23	rnd 3	type Rapid	result 1
		Opponent Waring, G (Gabriel)				Opponent Mathibela, A (Art)

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	Coetsee ,D (Dewald)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
1	Coetsee ,D (Dewald)	3	1818.4	1676.7	3	1823.8	1676.7	0	0	0	0	0	0
2	Chikwava ,R (Ronald)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
2	Chikwava ,R (Ronald)	3	1629.6	1487.9	3	1581.1	1487.9	0	0	0	0	0	0
3	Sehularo ,K (Kganya)	2	1	0	2	1	0	0	0	0	0	0	0
3	Sehularo ,K (Kganya)	2	1719.1	1719.1	2	1718	1719.1	0	0	0	0	0	0
4	Naidoo ,D (Dhiya)	2	2	425	2	2	425	0	0	0	0	0	0
4	Naidoo ,D (Dhiya)	2	1489.6	1914.6	2	1508.6	1914.6	0	0	0	0	0	0
5	Nsibande ,B (Bonisani)	2	1	0	2	1	0	0	0	0	0	0	0
5	Nsibande ,B (Bonisani)	2	1772.7	1772.7	2	1746.5	1772.7	0	0	0	0	0	0
6	Combrink ,J (Juan-Louis)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	Combrink ,J (Juan-Louis)	2	1642.3	1217.3	2	1658.3	1217.3	0	0	0	0	0	0
7	Memeh ,C (Chime)	2	0	-425	2	0	-425	0	0	0	0	0	0
7	Memeh ,C (Chime)	2	1784.3	1359.3	2	1813.7	1359.3	0	0	0	0	0	0
8	Shibambu ,K (Khenso Divine)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
8	Shibambu ,K (Khenso Divine)	2	1464.1	1251.6	2	1471.4	1251.6	0	0	0	0	0	0
9	Thorulsley ,K (Kairaav)	2	2	425	2	2	425	0	0	0	0	0	0
9	Thorulsley ,K (Kairaav)	2	1541.4	1966.4	2	1539.7	1966.4	0	0	0	0	0	0
10	Jacobs ,CN (Calvin Nicholas)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
10	Jacobs ,CN (Calvin Nicholas)	2	1802.8	1590.3	2	1816.9	1590.3	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Elvin, D (David)

Ratings

Game statistics

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms