PLAYER PAGE

Dewald Coetsee

108064021
Tshwane (GTP)
Personal
Main rating
Rating 1942
K-factor 24
Floor 1446.8
Highest 1946.8 (2026-01-01)
Min/Max +/- allowed 57
Rating Change
()
Games 9
Score 7
We 6.02
SWe 0.98
Temp +/- 23.6
Penalties 0
Weight perform 1934.2
Final +/- +23.6
New Rating
()
Rating 1965.7
K-factor 24
Floor 1465.7
Highest 1965.7 (2026-04-01)
Min/Max +/- allowed 55.7
Standard rating
Rating 1952.6
K-factor 24
Floor 1458.4
Highest 1958.4 (2026-01-01)
Min/Max +/- allowed 56.3
Rating Change
()
Games 9
Score 7
We 6.17
SWe 0.83
Temp +/- 19.9
Penalties 0
Weight perform 1934.2
Final +/- +19.9
New Rating
()
Rating 1972.4
K-factor 24
Floor 1472.4
Highest 1972.4 (2026-04-01)
Min/Max +/- allowed 55.2
Rapid rating
Rating 1594.9
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 784.1
Final +/- 0
New Rating
()
Rating 1594.9
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 1530.7
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
# 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 1942 9 7 2029.5 23.6 Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 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
2 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
3 MCA Tshwane Welcome 2026 (A) Standard 2026-01-24 2026-01-24 Tshwane (GTP) 5 1946.9 5 2.5 1997.4 3 Details
4 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
5 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
6 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
7 South African Open 2025 (B) Classical 2025-06-28 2025-07-05 Johannesburg Metro (GJM) 11 1872.4 11 9 2038 42.4 Details
8 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
9 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
10 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
11 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
12 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
13 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
14 Constantiapark Open 2025 (A) Standard 2025-02-15 2025-02-15 Tshwane (GTP) 5 1814.5 5 3 1825.1 0.5 Details
15 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
16 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
17 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
18 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
19 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
20 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
21 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
22 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
23 2024 African Youth Chess Championship Classical 2024-06-16 2024-06-22 Tshwane (GTP) 9 1812.8 9 5 1780.5 7.4 Details
24 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
25 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
26 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
27 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
28 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
29 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
30 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
31 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
32 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
33 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
34 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
35 2023 Lubowski Open Tournament (A) Standard 2023-06-24 2023-06-25 Tshwane (GTP) 5 1701.4 5 2 1543.6 -18.2 Details
36 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
37 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
38 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
39 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
40 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
41 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
42 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
43 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
44 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
45 South African Open 2022 (Blitz) Blitz 2022-07-14 2022-07-14 Cape Town (WCT) 10 1543.5 10 5 1673 5.4 Details
46 2022 Jacaranda Round Robin (B) Standard 2022-07-30 2022-07-30 Tshwane (GTP) 5 1543.5 5 1 1271 -25.9 Details
47 2022 Blou Bul Open (A) Standard 2022-06-25 2022-06-26 Tshwane (GTP) 5 1531.2 5 2.5 1615.2 7.5 Details
48 World Cadets Rapid Championships 2022 Rapid 2022-05-01 2022-05-02 FIDE (FID) 9 1561 9 4 1444.1 -9.4 Details
49 World Youth Blitz Championships 2022 Blitz 2022-05-03 2022-05-03 FIDE (FID) 9 1561 9 4 1338.8 -9.3 Details
50 South African Junior Closed Chess Championships 2022 (U14 Open) Classical 2022-03-28 2022-04-02 Chess South Africa (CSA) 11 1556.2 11 5.5 1571.4 3 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 24
Wins 14
Draws 6
Losses 4
White 12
Black 12
White wins 8
Black wins 6
Score 17
Percent 70.8
Dp 177.1
AOR 1783.9
Performance 1961
Game statistics (History)
Games 599
Wins 316
Draws 80
Losses 203
White 300
Black 299
White wins 175
Black wins 141
Score 356
Percent 59.4
Dp 80.2
AOR 1506.9
Performance 1587.1
Rankings (Main)
National
Overall 111
Gender 107
Age group 12
Gender/Age 11
Provincial
Overall 39
Gender 37
Age group 3
Gender/Age 2
Regional
Overall 14
Gender 14
Age group 1
Gender/Age 1
Rankings (Standard)
National
Overall 104
Gender 101
Age group 12
Gender/Age 11
Provincial
Overall 37
Gender 36
Age group 4
Gender/Age 3
Regional
Overall 13
Gender 13
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 136
Gender 133
Age group 16
Gender/Age 16
Provincial
Overall 45
Gender 45
Age group 3
Gender/Age 3
Regional
Overall 13
Gender 13
Age group 1
Gender/Age 1
Performance ( )
Games 9
Score 7
Percent 77.8
Aor 1793.4
Dp 236.1
Prat 2029.5
Performance ()
Games 24
Score 17
Percent 70.8
Aor 1783.9
Dp 177.1
Prat 1961
Performance (12 months)
Games 81
Score 56
Percent 69.1
Aor 1793.4
Dp 162.7
Prat 1956.1
Performance (History)
Games 599
Score 356
Percent 59.4
Aor 1506.9
Dp 80.2
Prat 1587.1
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) 8 5 3 South African Junior Team Championships 2017 (U10A) South African Junior Closed Chess Championships 2025 (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 Koning, L (Lehan) 7 5 2 2018 South African Junior Closed Chess Championships (U10 Open) 2023 Etienne Lewis Closed Tournament (U16) 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 Mabusela, JM (Johannes Manyedi) 9 1 8 2023 Piet Robbertse Fide Rated Open Chess Tournament (A) MCA Tshwane Welcome 2026 (A) Details
Standard 2 Potgieter, E (Edward) 8 5 3 South African Junior Team Championships 2017 (U10A) South African Junior Closed Chess Championships 2025 (U18 Open) 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 Jacobs, CN (Calvin Nicholas) 7 3 4 2019 Tshwane Chess Registration Tournament (B) South African Junior Closed Chess Championship 2024 (U16 Open) Details