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Chess SA Region AOC

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David Elvin

1080119822
Johannesburg Metro (GJM)
Personal
Main rating
Rating 1749.1
K-factor 28
Floor 1245.6
Highest 1778.3 (2026-01-01)
Min/Max +/- allowed 73
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1685.2
Final +/- 0
New Rating
()
Rating 1749.1
K-factor 28
Floor 1245.6
Highest 1778.3 (2026-01-01)
Min/Max +/- allowed 72.7
Standard rating
Rating 1744.9
K-factor 28
Floor 1251.5
Highest 1771.2 (2026-01-01)
Min/Max +/- allowed 73.5
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1685.2
Final +/- 0
New Rating
()
Rating 1744.9
K-factor 28
Floor 1251.5
Highest 1771.2 (2026-01-01)
Min/Max +/- allowed 73.5
Rapid rating
Rating 1340.1
K-factor 36
Floor 840.1
Highest 1361.4 (2023-09-01)
Min/Max +/- allowed 131.7
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1305.5
Final +/- 0
New Rating
()
Rating 1340.1
K-factor 36
Floor 840.1
Highest 1361.4 (2023-09-01)
Min/Max +/- allowed 131.7
Blitz rating
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
Min/Max +/- allowed 165.8
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
Min/Max +/- allowed 165.8
Rating Graph
Tournaments
No tournaments found.
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 South African Junior Closed Chess Championship 2026 (U18 Open) Classical 2026-03-28 2026-04-02 Bojanala Platina (NBR) 9 1727.6 9 5.5 1795.8 21.5 Details
2 Chess Power House Boksburg Open 2026 (A) Standard 2026-03-14 2026-03-14 Ekurhuleni (GE) 5 1745.4 5 3 1615.4 -17.8 Details
3 2026 JMC Kick off Tournament (A) Standard 2026-02-01 2026-02-01 Johannesburg Metro (GJM) 5 1759 5 2.5 1714.4 -3.7 Details
4 2025 Mzansi Individual Championships (U18 Open) Classical 2025-12-17 2025-12-20 Nelson Mandela Bay (ENM) 6 1710.9 6 4.5 1853.4 20.2 Details
5 2025 Mzansi Inter Provincial Team Championships (U18 Open) Standard 2025-12-15 2025-12-17 Nelson Mandela Bay (ENM) 6 1710.9 6 4.5 1746.1 4.3 Details
6 2025 Gauteng Top Schools Teams (U19) Standard 2025-08-30 2025-08-30 Tshwane (GTP) 5 1669.6 5 3.5 1747.1 7 Details
7 Khelo India - Lonehill Chess Academy - 2nd Annual Chess Tournament 2025 (A) Standard 2025-09-27 2025-09-27 Johannesburg Metro (GJM) 5 1669.6 5 4 1956.6 27.4 Details
8 South African Open 2025 (B) Classical 2025-06-28 2025-07-05 Johannesburg Metro (GJM) 11 1709.7 11 6 1571 -33.4 Details
9 CPH May 2025 (A) Standard 2025-05-03 2025-05-03 Johannesburg Metro (GJM) 5 1715.3 5 2 1667.3 -4 Details
10 Chess Molecules Open Tournament 2025 (A) Rapid 2025-04-19 2025-04-19 Johannesburg Metro (GJM) 5 1721.8 5 4 1616.7 -4.6 Details
11 AHS Open Chess Tournament 2025 (A) Standard 2025-03-01 2025-03-01 Tshwane (GTP) 5 1725.1 5 2 1700.9 -2.3 Details
12 Constantiapark Open 2025 (A) Standard 2025-02-15 2025-02-15 Tshwane (GTP) 5 1701.1 4 1.5 1688 -1.2 Details
13 JMC Kick Off 2025 (A) Standard 2025-02-02 2025-02-02 Johannesburg Metro (GJM) 5 1701.1 5 2.5 1768.8 4.6 Details
14 Gauteng Inter-Region at UJ 2024 (U18 Open) Standard 2024-12-07 2024-12-08 Johannesburg Metro (GJM) 5 1652.1 5 5 1961.6 34.9 Details
15 Gauteng Top Schools 2024 (U19 Open) Rapid 2024-10-05 2024-10-05 Ekurhuleni (GE) 5 1639.5 5 4 1747.1 8.9 Details
16 2024 Tuks Open Chess Tournament (A) Standard 2024-09-28 2024-09-28 Tshwane (GTP) 5 1660.9 5 2.5 1686.4 3 Details
17 Centurion Chess Open Tournament 2024 (A) Standard 2024-09-21 2024-09-21 Tshwane (GTP) 5 1660.9 5 2.5 1677.5 1 Details
18 Gauteng Schools Individuals Finals 2024 (U18 Boys) Standard 2024-08-17 2024-08-17 Ekurhuleni (GE) 5 1660.9 5 3 1452.3 -19.3 Details
19 JMC Closed 2024 (A) Standard 2024-08-09 2024-08-11 Johannesburg Metro (GJM) 5 1643.8 5 2 1765.7 12.2 Details
20 Ekurhuleni Trails 2 2024 (A) Standard 2024-07-27 2024-07-27 Ekurhuleni (GE) 4 1616.6 4 1 1533.5 -7.6 Details
21 JMC Trinityhouse Randpark Ridge 2024 (A) Standard 2024-07-13 2024-07-13 Johannesburg Metro (GJM) 5 1616.6 5 2 1815.3 19.1 Details
22 South African Open Chess Championship 2024 (A) Classical 2024-06-29 2024-07-07 Ethekwini (KED) 11 1616.6 11 5.5 1652.8 8 Details
23 Chess Molecules Open Chess Tournament 2024 (High School Open) Rapid 2024-06-15 2024-06-15 Johannesburg Metro (GJM) 5 1646.2 5 2.5 1335.1 -21.3 Details
24 2024 Milos Ristic Open Chess Tournament (A) Standard 2024-04-27 2024-04-27 Tshwane (GTP) 5 1568.9 5 4 1819.5 23.7 Details
25 2024 KSNG CHess Academy Open Tournament (B) Standard 2024-04-06 2024-04-06 Tshwane (GTP) 5 1568.9 5 3 1668.6 9 Details
26 1st Knights Open Tournament 2024 (A) Standard 2024-03-23 2024-03-23 Johannesburg Metro (GJM) 5 1583.2 5 1.5 1483.9 -9 Details
27 2024 Tshwane Chess AHS Open Chess Tournament (C2) Standard 2024-02-24 2024-02-24 Tshwane (GTP) 5 1544.4 5 3.5 1529 -2 Details
28 2024 Constantiapark Open (C) Standard 2024-02-17 2024-02-17 Tshwane (GTP) 5 1544.4 5 4.5 1653.3 10.1 Details
29 2024 Tshwane Chess OPEN Registration Tournament (C2) Standard 2024-01-27 2024-01-27 Tshwane (GTP) 5 1443.6 5 4.5 1714.8 27.2 Details
30 2024 Gauteng Inter-Region Chess Championship (U16B) Standard 2024-01-13 2024-01-14 Tshwane (GTP) 5 1443.6 5 3 1478.4 4.7 Details
31 JMC Kick Off Tournament 2024 (C) Standard 2024-01-28 2024-01-28 Johannesburg Metro (GJM) 5 1443.6 5 3.5 1581.4 12.9 Details
32 Ekurhuleni North Chess Club 2023 (B) Rapid 2023-12-09 2023-12-09 Ekurhuleni (GE) 7 1431.1 7 5 1512.6 7.7 Details
33 Africawide Chess Championship 2023 (Open) Standard 2023-11-03 2023-11-05 Johannesburg Metro (GJM) 7 1447.9 7 3 1383.3 -10.7 Details
34 Lardies Open Tournament 2023 (C) Standard 2023-10-28 2023-10-28 Tshwane (GTP) 5 1429 5 3.5 1486 6.3 Details
35 2023 Tuks Open Chess Tournament (C) Standard 2023-10-07 2023-10-07 Tshwane (GTP) 5 1429 5 4 1490.1 5.5 Details
36 Chess Molecules Rapid 2023 (High School Open) Rapid 2023-09-23 2023-09-23 Ekurhuleni (GE) 5 1415.6 5 4 1542 8.6 Details
37 2023 Gauteng Top Schools (U19 Mixed) Standard 2023-08-19 2023-08-19 West Rand (GWR) 5 1423.6 3 2 1346.6 -5.1 Details
38 Chess Molecules 16 June Tournament 2023 (High School Open) Rapid 2023-06-16 2023-06-16 Ekurhuleni (GE) 5 1429.6 5 3 1369 -3.7 Details
39 Gauteng Schools Individual Finals 2023 (U15 Boys) Standard 2023-05-27 2023-05-27 Ekurhuleni (GE) 5 1467.3 5 2 1216.8 -23.6 Details
40 Ekurhuleni Trials 2 2023 (U16) Standard 2023-04-22 2023-04-22 Ekurhuleni (GE) 5 1365.4 5 4 1612.7 24.9 Details
41 Ekhuruleni Chess Trials 1 2023 (U16) Standard 2023-03-25 2023-03-25 Ekurhuleni (GE) 5 1303.3 5 4 1528.7 21.4 Details
42 Ekurhuleni Springs Open 4 March 2023 (D) Standard 2023-03-04 2023-03-04 Ekurhuleni (GE) 5 1303.3 5 3.5 1361.7 6.6 Details
43 Ekurhuleni Chess Springs Club Open 2022 (D) Standard 2022-09-03 2022-09-03 Ekurhuleni (GE) 5 1306.9 4 2 1280.8 -2 Details
44 Alberton Chess Club Open 2022 (C) Standard 2022-07-16 2022-07-16 Ekurhuleni (GE) 5 1211 5 5 1752 53.5 Details
45 GoForChess Junior Championships 2019 (U12) Standard 2019-11-16 2019-11-16 Johannesburg Metro (GJM) 5 1200 5 3 1214.4 5.6 Details
Game statistics ( )
Games 0
Wins 0
Draws 0
Losses 0
White 0
Black 0
White wins 0
Black wins 0
Score 0
Percent 0
Dp 0
AOR 0
Performance 0
Game statistics ()
Games 19
Wins 9
Draws 4
Losses 6
White 9
Black 10
White wins 4
Black wins 5
Score 11
Percent 57.9
Dp 67.1
AOR 1659.8
Performance 1726.9
Game statistics (History)
Games 242
Wins 139
Draws 24
Losses 79
White 120
Black 122
White wins 68
Black wins 71
Score 151
Percent 62.4
Dp 105.4
AOR 1502.9
Performance 1608.2
Rankings (Main)
National
Overall 374
Gender 349
Age group 41
Gender/Age 37
Provincial
Overall 139
Gender 127
Age group 11
Gender/Age 9
Regional
Overall 59
Gender 53
Age group 4
Gender/Age 3
Rankings (Standard)
National
Overall 380
Gender 354
Age group 41
Gender/Age 37
Provincial
Overall 142
Gender 130
Age group 11
Gender/Age 9
Regional
Overall 58
Gender 52
Age group 4
Gender/Age 3
Rankings (Rapid)
National
Overall 1466
Gender 1244
Age group 124
Gender/Age 112
Provincial
Overall 276
Gender 237
Age group 17
Gender/Age 13
Regional
Overall 123
Gender 113
Age group 6
Gender/Age 5
Rankings (Blitz)
National
Overall -1
Gender -1
Age group -1
Gender/Age -1
Provincial
Overall -1
Gender -1
Age group -1
Gender/Age -1
Regional
Overall -1
Gender -1
Age group -1
Gender/Age -1
Performance ( )
Games 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance ()
Games 19
Score 11
Percent 57.9
Aor 1659.8
Dp 67.1
Prat 1726.9
Performance (12 months)
Games 52
Score 33.5
Percent 64.4
Aor 1612.2
Dp 122.6
Prat 1734.8
Performance (History)
Games 242
Score 151
Percent 62.4
Aor 1502.9
Dp 105.4
Prat 1608.2
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Maroba, M (Mark) 4 1 3 Gauteng Schools Individual Finals 2023 (U15 Boys) South African Junior Closed Chess Championship 2026 (U18 Open) Details
Overall 2 Coetsee, D (Dewald) 3 2 1 Gauteng Inter-Region at UJ 2024 (U18 Open) AHS Open Chess Tournament 2025 (A) Details
Overall 3 Changara, A (Adrian Tafara) 3 1 2 South African Open 2025 (B) South African Junior Closed Chess Championship 2026 (U18 Open) Details
Overall 4 Chikwava, R (Ronald) 3 1 2 2024 KSNG CHess Academy Open Tournament (B) JMC Kick Off 2025 (A) Details
Overall 5 Shibambu, K (Khenso Divine) 3 3 0 Lardies Open Tournament 2023 (C) 2025 Gauteng Top Schools Teams (U19) Details
Standard 1 Shibambu, K (Khenso Divine) 3 3 0 Lardies Open Tournament 2023 (C) 2025 Gauteng Top Schools Teams (U19) Details
Standard 2 Changara, A (Adrian Tafara) 3 1 2 South African Open 2025 (B) South African Junior Closed Chess Championship 2026 (U18 Open) Details
Standard 3 Magagula, R (Raymond) 3 3 0 CPH May 2025 (A) Chess Power House Boksburg Open 2026 (A) Details
Standard 4 Coetsee, D (Dewald) 3 2 1 Gauteng Inter-Region at UJ 2024 (U18 Open) AHS Open Chess Tournament 2025 (A) Details
Standard 5 Chikwava, R (Ronald) 3 1 2 2024 KSNG CHess Academy Open Tournament (B) JMC Kick Off 2025 (A) Details
Rapid 1 Zingoni, N (Ngaakudzwe) 2 2 0 Chess Molecules Open Chess Tournament 2024 (High School Open) Gauteng Top Schools 2024 (U19 Open) Details
Rapid 2 Mathibela, A (Art) 2 2 0 Chess Molecules 16 June Tournament 2023 (High School Open) Chess Molecules Rapid 2023 (High School Open) Details