PLAYER PAGE

Dewald Coetsee

108064021
Tshwane (GTP)
Personal
Main rating
Rating 1997.9
K-factor 24
Floor 1497.9
Highest 1997.9 (2026-07-01)
Min/Max +/- allowed 53
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1951.9
Final +/- 0
New Rating
()
Rating 1997.9
K-factor 24
Floor 1497.9
Highest 1997.9 (2026-07-01)
Min/Max +/- allowed 53.2
Standard rating
Rating 2047.6
K-factor 20
Floor 1547.6
Highest 2047.6 (2026-07-01)
Min/Max +/- allowed 49.6
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 2032.8
Final +/- 0
New Rating
()
Rating 2047.6
K-factor 20
Floor 1547.6
Highest 2047.6 (2026-07-01)
Min/Max +/- allowed 49.6
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 1162
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 1484.4
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 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
2 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
3 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
4 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
5 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
6 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
7 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
8 MCA Tshwane Welcome 2026 (A) Standard 2026-01-24 2026-01-24 Tshwane (GTP) 5 1946.9 5 2.5 1997.4 3 Details
9 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
10 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
11 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
12 South African Open 2025 (B) Classical 2025-06-28 2025-07-05 Johannesburg Metro (GJM) 11 1872.4 11 9 2038 42.4 Details
13 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
14 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
15 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
16 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
17 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
18 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
19 Constantiapark Open 2025 (A) Standard 2025-02-15 2025-02-15 Tshwane (GTP) 5 1814.5 5 3 1825.1 0.5 Details
20 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
21 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
22 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
23 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
24 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
25 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
26 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
27 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
28 2024 African Youth Chess Championship Classical 2024-06-16 2024-06-22 Tshwane (GTP) 9 1812.8 9 5 1780.5 7.4 Details
29 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
30 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
31 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
32 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
33 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
34 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
35 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
36 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
37 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
38 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
39 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
40 2023 Lubowski Open Tournament (A) Standard 2023-06-24 2023-06-25 Tshwane (GTP) 5 1701.4 5 2 1543.6 -18.2 Details
41 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
42 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
43 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
44 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
45 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
46 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
47 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
48 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
49 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
50 South African Open 2022 (Blitz) Blitz 2022-07-14 2022-07-14 Cape Town (WCT) 10 1543.5 10 5 1673 5.4 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 47
Wins 27
Draws 8
Losses 12
White 24
Black 23
White wins 13
Black wins 14
Score 31
Percent 66
Dp 135.6
AOR 1849.5
Performance 1985.2
Game statistics (History)
Games 622
Wins 329
Draws 82
Losses 211
White 312
Black 310
White wins 180
Black wins 149
Score 370
Percent 59.5
Dp 80.6
AOR 1522.1
Performance 1602.8
Rankings (Main)
National
Overall 82
Gender 80
Age group 10
Gender/Age 9
Provincial
Overall 32
Gender 31
Age group 3
Gender/Age 2
Regional
Overall 13
Gender 13
Age group 1
Gender/Age 1
Rankings (Standard)
National
Overall 51
Gender 51
Age group 7
Gender/Age 7
Provincial
Overall 21
Gender 21
Age group 2
Gender/Age 2
Regional
Overall 8
Gender 8
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 172
Gender 167
Age group 18
Gender/Age 17
Provincial
Overall 58
Gender 56
Age group 5
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 47
Score 31
Percent 66
Aor 1849.5
Dp 135.6
Prat 1985.2
Performance (12 months)
Games 63
Score 43
Percent 68.3
Aor 1827.1
Dp 155.2
Prat 1982.2
Performance (History)
Games 622
Score 370
Percent 59.5
Aor 1522.1
Dp 80.6
Prat 1602.8
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 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 Jacobs, CN (Calvin Nicholas) 7 3 4 2019 Tshwane Chess Registration Tournament (B) South African Junior Closed Chess Championship 2024 (U16 Open) Details
Standard 5 De Vries, MA (Andrio) 7 5 2 2019 Waterkloof Open (B) Constantiapark Open 2025 (A) Details