PLAYER PAGE

Cecil Ohlson

161066248
Cape Town (WCT)
Personal
Main rating
Rating 1652.7
K-factor 28
Floor 1197.7
Highest 1697.7 (2026-07-01)
Min/Max +/- allowed 82
Rating Change
()
Games 17
Score 7
We 7.49
SWe -0.49
Temp +/- -13.7
Penalties 0
Weight perform 1567.7
Final +/- -13.7
New Rating
()
Rating 1639
K-factor 28
Floor 1197.7
Highest 1697.7 (2026-07-01)
Min/Max +/- allowed 81.6
Standard rating
Rating 1648.2
K-factor 28
Floor 1194.7
Highest 1694.7 (2026-07-01)
Min/Max +/- allowed 81.9
Rating Change
()
Games 17
Score 7
We 7.41
SWe -0.41
Temp +/- -11.6
Penalties 0
Weight perform 1567.7
Final +/- -11.6
New Rating
()
Rating 1636.7
K-factor 28
Floor 1194.7
Highest 1694.7 (2026-07-01)
Min/Max +/- allowed 81.9
Rapid rating
Rating 1635.8
K-factor 28
Floor 1168.2
Highest 1748.8 (2019-06-01)
Min/Max +/- allowed 75.9
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1635.8
K-factor 28
Floor 1168.2
Highest 1748.8 (2019-06-01)
Min/Max +/- allowed 75.9
Blitz rating
Rating 1615.6
K-factor 28
Floor 1115.6
Highest 1615.6 (2019-04-01)
Min/Max +/- allowed 91.7
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1615.6
K-factor 28
Floor 1115.6
Highest 1615.6 (2019-04-01)
Min/Max +/- allowed 91.7
Rating Graph
Tournaments
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 CTCF Women's Championship 2026 (Advanced) Classical 2026-09-24 2026-09-27 Cape Town (WCT) 6 1652.7 6 2 1425.7 -44.7 Details
2 CTCF League 2026 (A) Classical 2026-08-01 2026-09-20 Cape Town (WCT) 11 1652.7 11 5 1749.4 31 Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 South African Open Championship 2026 (Advanced) Classical 2026-06-28 2026-07-05 Cape Town (WCT) 9 1697.7 9 4 1548.8 -45 Details
2 CTCF Open Championship 2026 (Advanced) Classical 2026-06-13 2026-06-15 Cape Town (WCT) 6 1649.6 6 4.5 1881.1 48 Details
3 Cape Town Chess Federation Club League 2025 (A) Classical 2025-07-26 2025-09-27 Cape Town (WCT) 11 1672.9 11 3.5 1578.4 -25.4 Details
4 Cape Town Chess Federation Club League 2025 (C) Classical 2025-07-26 2025-09-27 Cape Town (WCT) 11 1672.9 0 0 0 0 Details
5 Cape Town Masters Challenge 2025 (Advanced) Classical 2025-01-06 2025-01-11 Cape Town (WCT) 9 1617.1 9 6.5 1801.4 39.8 Details
6 CT League 2024 (A) Classical 2024-07-20 2024-09-07 Cape Town (WCT) 11 1608.1 11 3.5 1626.6 6.4 Details
7 Cape Town Chess Federation Closed Chess Championships 2024 (B) Classical 2024-06-14 2024-06-17 Cape Town (WCT) 7 1623.7 7 5 1878.2 41.2 Details
8 2024 Cape Town Chess Inter Club (Championship) Standard 2024-03-19 2024-05-14 Cape Town (WCT) 7 1623.7 7 0 1252.9 -52.6 Details
9 Hermanus Chess Club Open 2024 (Advanced) Rapid 2024-04-20 2024-04-20 Overberg (WOS) 7 1646.6 7 4 1599 -4 Details
10 South African Closed Chess Championship 2024 (Seniors) Classical 2024-03-25 2024-04-02 Cape Town (WCT) 11 1646.6 11 3.5 1610 -12.4 Details
11 Cape Town Open Chess Championship 2024 (Advanced) Standard 2024-03-15 2024-03-17 Cape Town (WCT) 6 1621.3 6 4.5 1768.2 18 Details
12 Cape Town Masters Challenge 2024 (Advanced) Classical 2024-01-03 2024-01-07 Cape Town (WCT) 7 1589.9 7 5 1729.8 22.4 Details
13 WP Club League 2023 (A) Classical 2023-07-29 2023-09-09 Cape Town (WCT) 11 1592.3 11 2 1468.9 -34.8 Details
14 Western Cape Closed Championship 2023 (A) Classical 2023-09-23 2023-09-25 Cape Town (WCT) 6 1592.3 6 2.5 1617.3 1.8 Details
15 WP Closed 2023 (B) Classical 2023-06-15 2023-06-18 Cape Town (WCT) 7 1594.5 7 2.5 1591 -1.6 Details
16 GPCA Rapid 2023 (Advanced) Rapid 2023-06-24 2023-06-24 Cape Town (WCT) 7 1594.5 0 0 0 0 Details
17 Cape Town Masters Challenge 2023 (Open) Classical 2023-01-04 2023-01-08 Cape Town (WCT) 5 1588.6 5 3 1630.9 4.2 Details
18 2022 Western Province Club League (Premier) Classical 2022-08-20 2022-10-01 Cape Town (WCT) 11 1597.3 11 5.5 1580.2 -6.2 Details
19 South African Open 2022 (Championship) Classical 2022-07-09 2022-07-17 Cape Town (WCT) 11 1658.9 11 3.5 1491.1 -44.2 Details
20 WP Closed 2022 (B) Classical 2022-06-16 2022-06-16 Cape Town (WCT) 7 1642.9 7 3.5 1706.8 11.2 Details
21 2022 South African Closed Chess Championships (Senior) Classical 2022-05-07 2022-05-14 Chess South Africa (CSA) 9 1614.1 9 6.5 1713.7 20.6 Details
22 Western Cape Closed 2021 (Championship) Classical 2021-09-24 2021-09-26 Cape Winelands (WCW) 6 1691.1 4 0.5 1537.5 -14.6 Details
23 CWP Closed 2021 (B) Classical 2021-09-11 2021-09-19 Cape Town (WCT) 7 1691.1 7 2 1450.6 -40.4 Details
24 Western Cape Women`s Month Tournament 2021 (Championship) Standard 2021-08-06 2021-08-09 West Coast (WCU) 6 1684.3 6 4.5 1719.4 4.9 Details
25 WP Open 2021 (Championship) Standard 2021-05-08 2021-05-09 Cape Town (WCT) 6 1668.7 6 3 1787.9 11 Details
26 FIDE World Senior Team Championship 2020 Classical 2020-03-06 2020-03-12 Czech Republic (CZE) 7 1648.8 6 1.5 1752.8 14.2 Details
27 2019 South African Closed Chess Championships (Senior) Classical 2019-12-07 2019-12-17 Cape Town (WCT) 11 1547.8 11 7 1872.1 84 Details
28 2019 Western Province League (Premier) Classical 2019-07-27 2019-09-07 Cape Town (WCT) 11 1635.7 10 2 1362.2 -66 Details
29 2019 Western Cape Closed Chess Championships (Senior) Classical 2019-09-21 2019-09-24 Cape Winelands (WCW) 6 1635.7 6 4 1669.2 3.2 Details
30 2019 GPCA Rapid (Open) Rapid 2019-06-29 2019-06-29 Cape Town (WCT) 7 1622.3 7 4 1739.4 9.7 Details
31 2018 AFRICAN AMATEUR CHAMPIONSHIPS Classical 2018-02-01 2019-01-06 Namibia (NAM) 9 1601.1 9 6 1667.1 13.4 Details
32 Cape of Good Hope Open 2019 (Prestige) Standard 2019-01-25 2019-01-28 Cape Town (WCT) 6 1601.1 6 4 1610.7 1.4 Details
33 ACL Open 2018 (Elite) Classical 2018-12-07 2018-12-09 Cape Town (WCT) 5 1580.4 5 2 1701.7 14.8 Details
34 ACL Chess Festival 2018 (Elite) Classical 2018-10-05 2018-10-07 Cape Town (WCT) 5 1580.1 5 1.5 1591.1 0.2 Details
35 2018 Western Province League (Premier) Classical 2018-08-04 2018-09-15 Cape Town (WCT) 11 1646.7 10 4 1443.1 -47.6 Details
36 World Team Championship 50+, 65+ 2018 Classical 2018-07-07 2018-07-15 Germany (GER) 9 1608.3 5 2 1843.6 27.4 Details
37 Crossroads Open Chess Championship 2018 (Elite) Classical 2018-04-27 2018-04-29 Cape Town (WCT) 6 1604.7 5 2.5 1633.1 2.4 Details
38 2018 Western Province Open (Prestige) Classical 2018-03-02 2018-03-04 Cape Town (WCT) 6 1615.6 6 3 1577 -5.4 Details
39 2018 Steinitz Chess Festival (Prestige) Classical 2018-03-21 2018-03-25 Cape Town (WCT) 7 1615.6 7 2 1608.9 -1.4 Details
40 2017 South African Closed Chess Championships (Senior) Classical 2017-12-09 2017-12-19 Western Province (WP) 11 1420 11 5 1728 70.4 Details
41 2017 Western Province Closed (C) Standard 2017-11-03 2017-11-05 Western Province (WP) 7 1454 7 4.5 1236 -19.6 Details
42 Gpca - Pitt Memorial 2017 (Elite) Standard 2017-10-27 2017-10-29 Western Province (WP) 6 1437 5 2 1624 29.5 Details
43 2017 National Club Championships (B) Classical 2017-09-23 2017-09-25 Western Province (WP) 6 1510 5 3 1432 -8.8 Details
44 2017 Western Province League (Premier) Classical 2017-07-27 2017-09-16 Western Province (WP) 11 1510 11 2 1348 -39.6 Details
45 2017 South African Open (A) Classical 2017-07-14 2017-07-22 Kwazulu Natal (KZN) 11 1434 11 5.5 1643 48.8 Details
46 Cape Town Chess Club - 2017 Club Championship (A) Standard 2017-05-02 2017-07-04 Western Province (WP) 7 1434 7 3 1420 10.9 Details
47 Steinitz Chess Festival 2017 (Prestige) Classical 2017-04-14 2017-04-17 Western Province (WP) 7 1386 6 4 1646 51.8 Details
48 Paul Roos Open Championship 2017 (B) Standard 2017-03-17 2017-03-19 Western Province (WP) 7 1456 7 3 1246 -33.7 Details
49 Wp Open 2017 (B) Standard 2017-03-03 2017-03-05 Western Province (WP) 6 1456 6 4 1402 -7.5 Details
50 2016 African Chess Lounge (Prestige) Standard 2016-12-02 2016-12-04 Western Province (WP) 6 1432 6 3 1524 14.1 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 32
Wins 14
Draws 3
Losses 15
White 17
Black 15
White wins 8
Black wins 6
Score 15.5
Percent 48.4
Dp -13.3
AOR 1670.2
Performance 1657
Game statistics (History)
Games 296
Wins 116
Draws 39
Losses 141
White 155
Black 141
White wins 58
Black wins 58
Score 135.5
Percent 45.8
Dp -35.9
AOR 1665.2
Performance 1629.3
Rankings (Main)
National
Overall 781
Gender 731
Age group 65
Gender/Age 65
Provincial
Overall 231
Gender 212
Age group 27
Gender/Age 27
Regional
Overall 162
Gender 152
Age group 21
Gender/Age 21
Rankings (Standard)
National
Overall 744
Gender 696
Age group 59
Gender/Age 59
Provincial
Overall 213
Gender 195
Age group 22
Gender/Age 22
Regional
Overall 153
Gender 143
Age group 18
Gender/Age 18
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 -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 32
Score 15.5
Percent 48.4
Aor 1670.2
Dp -13.3
Prat 1657
Performance (12 months)
Games 32
Score 15.5
Percent 48.4
Aor 1670.2
Dp -13.3
Prat 1657
Performance (History)
Games 296
Score 135.5
Percent 45.8
Aor 1665.2
Dp -35.9
Prat 1629.3
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Galleid, S (Stephen) 6 5 1 2019 Western Cape Closed Chess Championships (Senior) South African Closed Chess Championship 2024 (Seniors) Details
Overall 2 Bhawoodien, SH (Shabier Husain) 5 3 2 2019 GPCA Rapid (Open) 2024 Cape Town Chess Inter Club (Championship) Details
Overall 3 Southey, AM (Andrew Mcnab) 5 3 2 ACL Open 2018 (Elite) South African Closed Chess Championship 2024 (Seniors) Details
Overall 4 Braaf, J (Jiraan) 5 2 3 CWP Closed 2021 (B) Cape Town Chess Federation Club League 2025 (A) Details
Overall 5 De Jager, LJ (Luan Johannes) 4 2 2 2019 Western Province League (Premier) 2022 Western Province Club League (Premier) Details
Standard 1 Galleid, S (Stephen) 6 5 1 2019 Western Cape Closed Chess Championships (Senior) South African Closed Chess Championship 2024 (Seniors) Details
Standard 2 Braaf, J (Jiraan) 5 2 3 CWP Closed 2021 (B) Cape Town Chess Federation Club League 2025 (A) Details
Standard 3 Southey, AM (Andrew Mcnab) 5 3 2 ACL Open 2018 (Elite) South African Closed Chess Championship 2024 (Seniors) Details
Standard 4 Willenberg, RC (Roland Chester) 4 3 1 2019 South African Closed Chess Championships (Senior) South African Closed Chess Championship 2024 (Seniors) Details
Standard 5 Budge, D (Daniel) 4 0 4 2024 Cape Town Chess Inter Club (Championship) CTCF Open Championship 2026 (Advanced) Details