PLAYER PAGE

Dewald Coetsee

108064021
Tshwane (GTP)
Personal
Main rating
Rating 1994.9
K-factor 24
Floor 1494.9
Highest 1994.9 (2026-06-01)
Min/Max +/- allowed 53
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1964.3
Final +/- 0
New Rating
()
Rating 1994.9
K-factor 24
Floor 1494.9
Highest 1994.9 (2026-06-01)
Min/Max +/- allowed 53.4
Standard rating
Rating 2027.6
K-factor 20
Floor 1527.6
Highest 2027.6 (2026-06-01)
Min/Max +/- allowed 51
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 2045.4
Final +/- 0
New Rating
()
Rating 2027.6
K-factor 20
Floor 1527.6
Highest 2027.6 (2026-06-01)
Min/Max +/- allowed 51
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 1183.8
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 1508.3
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 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
2 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
3 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
4 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
5 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
6 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
7 MCA Tshwane Welcome 2026 (A) Standard 2026-01-24 2026-01-24 Tshwane (GTP) 5 1946.9 5 2.5 1997.4 3 Details
8 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
9 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
10 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
11 South African Open 2025 (B) Classical 2025-06-28 2025-07-05 Johannesburg Metro (GJM) 11 1872.4 11 9 2038 42.4 Details
12 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
13 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
14 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
15 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
16 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
17 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
18 Constantiapark Open 2025 (A) Standard 2025-02-15 2025-02-15 Tshwane (GTP) 5 1814.5 5 3 1825.1 0.5 Details
19 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
20 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
21 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
22 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
23 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
24 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
25 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
26 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
27 2024 African Youth Chess Championship Classical 2024-06-16 2024-06-22 Tshwane (GTP) 9 1812.8 9 5 1780.5 7.4 Details
28 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
29 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
30 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
31 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
32 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
33 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
34 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
35 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
36 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
37 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
38 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
39 2023 Lubowski Open Tournament (A) Standard 2023-06-24 2023-06-25 Tshwane (GTP) 5 1701.4 5 2 1543.6 -18.2 Details
40 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
41 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
42 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
43 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
44 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
45 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
46 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
47 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
48 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
49 South African Open 2022 (Blitz) Blitz 2022-07-14 2022-07-14 Cape Town (WCT) 10 1543.5 10 5 1673 5.4 Details
50 2022 Jacaranda Round Robin (B) Standard 2022-07-30 2022-07-30 Tshwane (GTP) 5 1543.5 5 1 1271 -25.9 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 37
Wins 24
Draws 7
Losses 6
White 19
Black 18
White wins 12
Black wins 12
Score 27.5
Percent 74.3
Dp 206.8
AOR 1772.6
Performance 1979.3
Game statistics (History)
Games 612
Wins 326
Draws 81
Losses 205
White 307
Black 305
White wins 179
Black wins 147
Score 366.5
Percent 59.9
Dp 84
AOR 1512.1
Performance 1596.2
Rankings (Main)
National
Overall 79
Gender 77
Age group 10
Gender/Age 9
Provincial
Overall 29
Gender 28
Age group 3
Gender/Age 2
Regional
Overall 12
Gender 12
Age group 1
Gender/Age 1
Rankings (Standard)
National
Overall 62
Gender 61
Age group 9
Gender/Age 8
Provincial
Overall 27
Gender 26
Age group 3
Gender/Age 2
Regional
Overall 11
Gender 11
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 169
Gender 165
Age group 17
Gender/Age 17
Provincial
Overall 57
Gender 56
Age group 4
Gender/Age 4
Regional
Overall 17
Gender 17
Age group 1
Gender/Age 1
Performance ( )
Games 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance ()
Games 37
Score 27.5
Percent 74.3
Aor 1772.6
Dp 206.8
Prat 1979.3
Performance (12 months)
Games 79
Score 56.5
Percent 71.5
Aor 1799.1
Dp 182.9
Prat 1982
Performance (History)
Games 612
Score 366.5
Percent 59.9
Aor 1512.1
Dp 84
Prat 1596.2
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Potgieter, E (Edward) 9 6 3 South African Junior Team Championships 2017 (U10A) South African Junior Closed Chess Championship 2026 (U18 Open) Details
Overall 2 Mabusela, JM (Johannes Manyedi) 9 1 8 2023 Piet Robbertse Fide Rated Open Chess Tournament (A) MCA Tshwane Welcome 2026 (A) Details
Overall 3 Sathish, A (Abinavah) 8 1 7 2019 Capablanca Chess Festival (Swiss B) Tshwane Chess Club Clash 2025 (Prestige) Details
Overall 4 Soojay, J (Jorah) 7 3 4 South African Junior Blitz 2018 (U12) South African Junior Closed Chess Championship 2026 (U18 Open) Details
Overall 5 Jacobs, CN (Calvin Nicholas) 7 3 4 2019 Tshwane Chess Registration Tournament (B) South African Junior Closed Chess Championship 2024 (U16 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