PLAYER PAGE

Dewald Coetsee

108064021
Tshwane (GTP)
Personal
Main rating
Rating 2011.8
K-factor 20
Floor 1511.8
Highest 2011.8 (2026-09-01)
Min/Max +/- allowed 52
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1976.3
Final +/- 0
New Rating
()
Rating 2011.8
K-factor 20
Floor 1511.8
Highest 2011.8 (2026-09-01)
Min/Max +/- allowed 52.2
Standard rating
Rating 2057.4
K-factor 20
Floor 1557.4
Highest 2057.4 (2026-09-01)
Min/Max +/- allowed 48.9
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 2042.3
Final +/- 0
New Rating
()
Rating 2057.4
K-factor 20
Floor 1557.4
Highest 2057.4 (2026-09-01)
Min/Max +/- allowed 48.9
Rapid rating
Rating 1574
K-factor 32
Floor 1094.9
Highest 1594.9 (2024-02-01)
Min/Max +/- allowed 94.5
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1139.9
Final +/- 0
New Rating
()
Rating 1574
K-factor 32
Floor 1094.9
Highest 1594.9 (2024-02-01)
Min/Max +/- allowed 94.5
Blitz rating
Rating 1460.6
K-factor 32
Floor 960.6
Highest 1460.6 (2025-08-01)
Min/Max +/- allowed 114.4
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1460
Final +/- 0
New Rating
()
Rating 1460.6
K-factor 32
Floor 960.6
Highest 1460.6 (2025-08-01)
Min/Max +/- allowed 114.4
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 Dr KK Chess Ferdies 2026 (A) Standard 2026-08-01 2026-08-01 Dr Kenneth Kaunda (NWP) 5 2011.8 5 4.5 2115.2 11.6 Details
2 World Youth Chess Championship 2026 Classical 2026-06-15 2026-06-26 FIDE (FID) 11 1994.9 10 3.5 2006.8 2.9 Details
3 Metamorph Grandmaster Challenge 2026 (Junior) Rapid 2026-05-16 2026-05-16 Johannesburg Metro (GJM) 5 1965.7 5 3 1831.8 -7.6 Details
4 Dr KK Volkies 2026 (A) Standard 2026-05-09 2026-05-09 Dr Kenneth Kaunda (NWP) 5 1965.7 4 4 2276.5 29.2 Details
5 2026 Milos Ristic Teams Open (Prestige) Standard 2026-05-02 2026-05-02 Tshwane (GTP) 5 1965.7 4 3.5 1976.5 7.6 Details
6 South African Junior Closed Chess Championship 2026 (U18 Open) Classical 2026-03-28 2026-04-02 Bojanala Platina (NBR) 9 1942 9 7 2029.5 23.6 Details
7 2026 AHS Chess Tournament (A) Standard 2026-02-28 2026-02-28 Tshwane (GTP) 5 1935.6 5 3.5 1996.3 6.4 Details
8 Grey College Team Championship 2026 (A) Standard 2026-02-20 2026-02-21 Mangaung (FMB) 5 1946.9 5 4 1766.1 -14.8 Details
9 MCA Tshwane Welcome 2026 (A) Standard 2026-01-24 2026-01-24 Tshwane (GTP) 5 1946.9 5 2.5 1997.4 3 Details
10 2025 Mzansi Inter Provincial Team Championships (U18 Open) Standard 2025-12-15 2025-12-17 Nelson Mandela Bay (ENM) 6 1945.7 6 5.5 2037.4 16.1 Details
11 Gauteng Inter-Region at Emerald Resort 2025 (U18 Championship) Standard 2025-12-06 2025-12-07 Sedibeng (GSV) 5 1945.7 5 3.5 1771.7 -15 Details
12 Tshwane Chess Club Clash 2025 (Prestige) Standard 2025-09-13 2025-09-13 Tshwane (GTP) 5 1926.4 5 3 2098.9 16.1 Details
13 South African Open 2025 (B) Classical 2025-06-28 2025-07-05 Johannesburg Metro (GJM) 11 1872.4 11 9 2038 42.4 Details
14 South African Open 2025 (Blitz) Blitz 2025-07-02 2025-07-02 Johannesburg Metro (GJM) 9 1872.4 8 4.5 1952 2.7 Details
15 2025 Elise Steenkamp Open Chess Tournament (King) Standard 2025-06-14 2025-06-16 Tshwane (GTP) 7 1853.6 7 3.5 1961.2 15.6 Details
16 Moja Chess Extravaganza 2025 (B) Classical 2025-04-26 2025-05-01 Johannesburg Metro (GJM) 9 1840.9 9 6 1892.4 10.2 Details
17 Moja Chess Extravaganza 2025 (Blitz) Blitz 2025-04-26 2025-04-26 Johannesburg Metro (GJM) 7 1840.9 6 4 1834.3 0.3 Details
18 South African Junior Closed Chess Championships 2025 (U18 Open) Classical 2025-03-31 2025-04-05 Cape Winelands (WCW) 9 1885.2 9 5 1695.9 -36.8 Details
19 AHS Open Chess Tournament 2025 (A) Standard 2025-03-01 2025-03-01 Tshwane (GTP) 5 1838.3 5 3 1999.8 16.4 Details
20 Constantiapark Open 2025 (A) Standard 2025-02-15 2025-02-15 Tshwane (GTP) 5 1814.5 5 3 1825.1 0.5 Details
21 2025 Piet Robbertse Fide Rated Open Chess Tournament (A) Standard 2025-02-01 2025-02-02 Tshwane (GTP) 5 1814.5 5 3 1941.2 13.1 Details
22 2025 Tshwane Chess OPEN Registration Tournament (A1) Standard 2025-01-25 2025-01-25 Tshwane (GTP) 5 1796.5 5 3.5 1942.1 14.9 Details
23 Gauteng Inter-Region at UJ 2024 (U18 Open) Standard 2024-12-07 2024-12-08 Johannesburg Metro (GJM) 5 1802.4 5 4 1761.5 -4.9 Details
24 2024 Etienne Lewis (U18+U20) Standard 2024-08-30 2024-09-01 Tshwane (GTP) 7 1818.2 7 5.5 1726.6 -13.1 Details
25 Eureka Open 27 July 2024 (A) Standard 2024-07-27 2024-07-27 Sedibeng (GSV) 5 1881 3 0.5 1514.2 -22.2 Details
26 DR KK Gimmies 2024 (A) Standard 2024-07-13 2024-07-13 Dr Kenneth Kaunda (NWP) 5 1881 5 4 1891.3 0.7 Details
27 South African Open Chess Championship 2024 (A) Classical 2024-06-29 2024-07-07 Ethekwini (KED) 11 1881 11 5.5 1590.6 -63 Details
28 South African Open Chess Championship 2024 (Blitz) Blitz 2024-07-04 2024-07-04 Ethekwini (KED) 11 1881 11 7 1832.5 -2.3 Details
29 2024 African Youth Chess Championship Classical 2024-06-16 2024-06-22 Tshwane (GTP) 9 1812.8 9 5 1780.5 7.4 Details
30 2024 Johannes Mabusela's 40th Birthday Chess Tournament F Section (Prestige) Standard 2024-06-01 2024-06-01 Tshwane (GTP) 5 1812.8 5 3.5 2133.9 31 Details
31 JMC Crawford International Sandton 2024 (A) Standard 2024-05-11 2024-05-11 Johannesburg Metro (GJM) 5 1780.9 5 3 1960.4 16.4 Details
32 South African Junior Closed Chess Championship 2024 (U16 Open) Classical 2024-04-27 2024-05-01 Ekurhuleni (GE) 9 1780.9 9 5 1785 1.6 Details
33 2024 Lubowski Open Chess Tournament (A) Standard 2024-03-23 2024-03-24 Tshwane (GTP) 5 1779.6 5 2 1674.3 -10.5 Details
34 2024 Chris Greyling Open Chess Tournament (Prestige) Standard 2024-03-16 2024-03-16 Tshwane (GTP) 5 1779.6 5 2.5 1891.5 11.5 Details
35 2024 Tshwane Chess OPEN Registration Tournament (Prestige) Standard 2024-01-27 2024-01-27 Tshwane (GTP) 5 1715.3 5 2 1890.3 13.8 Details
36 2024 Gauteng Inter-Region Chess Championship (U16A) Standard 2024-01-13 2024-01-14 Tshwane (GTP) 5 1715.3 5 4.5 1978.5 30 Details
37 2023 Centurion Chess Open (A) Standard 2023-09-23 2023-09-23 Tshwane (GTP) 5 1754.3 5 1.5 1476.5 -27.7 Details
38 FIDE World Youth U16 Chess Olympiad 2023 Rapid 2023-08-13 2023-08-18 Netherlands (NED) 9 1690.3 8 4.5 1724.5 5.1 Details
39 2023 Etienne Lewis Closed Tournament (U16) Standard 2023-08-25 2023-08-27 Tshwane (GTP) 7 1690.3 7 7 1955.9 40.5 Details
40 DR Kenneth Kaunda Volkies 29 Jul 2023 (A) Standard 2023-07-29 2023-07-29 Dr Kenneth Kaunda (NWP) 5 1674.3 5 4.5 1766.1 11.5 Details
41 2023 Lubowski Open Tournament (A) Standard 2023-06-24 2023-06-25 Tshwane (GTP) 5 1701.4 5 2 1543.6 -18.2 Details
42 2023 Elize Steenkamp Open Tournament (A) Standard 2023-06-16 2023-06-17 Tshwane (GTP) 6 1701.4 6 3 1687.4 -1.5 Details
43 2023 Milos Ristic Open Tournament (A) Standard 2023-04-27 2023-04-27 Tshwane (GTP) 5 1720.5 5 3 1623.1 -8.6 Details
44 2023 South African Junior Closed Chess Championships (U16 Open) Classical 2023-03-31 2023-04-04 Chess South Africa (CSA) 9 1720.5 9 5 1700.5 -5 Details
45 2023 Afrikaans Hoër Seunskool Open Chess Tournament (A) Standard 2023-03-04 2023-03-04 Tshwane (GTP) 5 1741.9 5 1.5 1579.3 -15.3 Details
46 2023 Piet Robbertse Fide Rated Open Chess Tournament (A) Standard 2023-02-04 2023-02-05 Tshwane (GTP) 5 1648.1 5 3 1903.4 26.6 Details
47 2023 Tshwane Chess Open Registration Tournament (A) Standard 2023-01-28 2023-01-28 Tshwane (GTP) 5 1595.4 5 4 1949.6 33.9 Details
48 2022 South African Junior Team Chess Championships (U16 Open) Classical 2022-12-04 2022-12-08 4 Knights (4K) 7 1602.4 7 4 1574.4 -5.2 Details
49 2022 Etienne Lewis (U16 Open) Standard 2022-09-02 2022-09-04 Tshwane (GTP) 7 1565.1 7 5.5 1708.8 23.1 Details
50 South African Open 2022 (Championship) Classical 2022-07-09 2022-07-17 Cape Town (WCT) 11 1543.5 11 4.5 1679.8 33.8 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 52
Wins 31
Draws 9
Losses 12
White 27
Black 25
White wins 15
Black wins 16
Score 35.5
Percent 68.3
Dp 155.3
AOR 1842.4
Performance 1997.7
Game statistics (History)
Games 627
Wins 333
Draws 83
Losses 211
White 315
Black 312
White wins 182
Black wins 151
Score 374.5
Percent 59.7
Dp 82.7
AOR 1524.1
Performance 1606.8
Rankings (Main)
National
Overall 72
Gender 70
Age group 9
Gender/Age 8
Provincial
Overall 30
Gender 29
Age group 3
Gender/Age 2
Regional
Overall 13
Gender 13
Age group 1
Gender/Age 1
Rankings (Standard)
National
Overall 52
Gender 51
Age group 8
Gender/Age 7
Provincial
Overall 23
Gender 22
Age group 3
Gender/Age 2
Regional
Overall 9
Gender 9
Age group 1
Gender/Age 1
Rankings (Rapid)
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
Rankings (Blitz)
National
Overall 180
Gender 176
Age group 16
Gender/Age 15
Provincial
Overall 59
Gender 58
Age group 4
Gender/Age 3
Regional
Overall 15
Gender 15
Age group 1
Gender/Age 1
Performance ( )
Games 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance ()
Games 52
Score 35.5
Percent 68.3
Aor 1842.4
Dp 155.3
Prat 1997.7
Performance (12 months)
Games 63
Score 44.5
Percent 70.6
Aor 1808.1
Dp 175.4
Prat 1983.5
Performance (History)
Games 627
Score 374.5
Percent 59.7
Aor 1524.1
Dp 82.7
Prat 1606.8
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Mabusela, JM (Johannes Manyedi) 9 1 8 2023 Piet Robbertse Fide Rated Open Chess Tournament (A) MCA Tshwane Welcome 2026 (A) Details
Overall 2 Potgieter, E (Edward) 9 6 3 South African Junior Team Championships 2017 (U10A) South African Junior Closed Chess Championship 2026 (U18 Open) Details
Overall 3 Sathish, A (Abinavah) 8 1 7 2019 Capablanca Chess Festival (Swiss B) Tshwane Chess Club Clash 2025 (Prestige) Details
Overall 4 De Vries, MA (Andrio) 7 5 2 2019 Waterkloof Open (B) Constantiapark Open 2025 (A) Details
Overall 5 Soojay, J (Jorah) 7 3 4 South African Junior Blitz 2018 (U12) South African Junior Closed Chess Championship 2026 (U18 Open) Details
Standard 1 Potgieter, E (Edward) 9 6 3 South African Junior Team Championships 2017 (U10A) South African Junior Closed Chess Championship 2026 (U18 Open) Details
Standard 2 Mabusela, JM (Johannes Manyedi) 9 1 8 2023 Piet Robbertse Fide Rated Open Chess Tournament (A) MCA Tshwane Welcome 2026 (A) Details
Standard 3 Sathish, A (Abinavah) 8 1 7 2019 Capablanca Chess Festival (Swiss B) Tshwane Chess Club Clash 2025 (Prestige) Details
Standard 4 De Vries, MA (Andrio) 7 5 2 2019 Waterkloof Open (B) Constantiapark Open 2025 (A) Details
Standard 5 Koning, L (Lehan) 7 5 2 2018 South African Junior Closed Chess Championships (U10 Open) 2023 Etienne Lewis Closed Tournament (U16) Details