Surname or Chess SA id..
Chess SA Region AOC Mzansi 2026

PLAYER PAGE

Christopher David Yoko

1030144946
Johannesburg Metro (GJM)
Personal
Main rating
Rating 1826.3
K-factor 24
Floor 1326.3
Highest 1826.3 (2026-10-01)
Min/Max +/- allowed 68
Rating Change
()
Games 5
Score 4
We 3.9
SWe 0.09
Temp +/- 2.1
Penalties 0
Weight perform 1758
Final +/- +2.1
New Rating
()
Rating 1828.4
K-factor 24
Floor 1328.4
Highest 1828.4 (2026-10-01)
Min/Max +/- allowed 67.7
Standard rating
Rating 1849.9
K-factor 24
Floor 1349.9
Highest 1849.9 (2026-10-01)
Min/Max +/- allowed 65.7
Rating Change
()
Games 5
Score 4
We 3.99
SWe 0.01
Temp +/- 0.3
Penalties 0
Weight perform 1825.5
Final +/- +0.3
New Rating
()
Rating 1850.2
K-factor 24
Floor 1350.2
Highest 1850.2 (2026-10-01)
Min/Max +/- allowed 65.7
Rapid rating
Rating 1479.3
K-factor 32
Floor 979.3
Highest 1479.3 (2026-10-01)
Min/Max +/- allowed 111.4
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1479.3
K-factor 32
Floor 979.3
Highest 1479.3 (2026-10-01)
Min/Max +/- allowed 111.4
Blitz rating
Rating 1380
K-factor 32
Floor 926.3
Highest 1450.3 (2024-08-01)
Min/Max +/- allowed 116.1
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1283.5
Final +/- 0
New Rating
()
Rating 1380
K-factor 32
Floor 926.3
Highest 1450.3 (2024-08-01)
Min/Max +/- allowed 116.1
Rating Graph
Tournaments
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 Chess Power House Heritage Day Open 2026 (A) Standard 2026-09-24 2026-09-24 Johannesburg Metro (GJM) 5 1826.3 5 4 1803.3 2.1 Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 2026 Centurion Chess Club Open Tournament (A) Standard 2026-09-19 2026-09-19 Tshwane (GTP) 5 1820.6 5 3 1874.7 5.5 Details
2 Ekurhuleni Rapid 2026 (A) Rapid 2026-08-29 2026-08-29 Ekurhuleni (GE) 5 1820.6 5 4 1638.1 0.2 Details
3 USSA Closed 2026 (Open) Standard 2026-08-08 2026-08-10 Tshwane (GTP) 9 1820.6 8 3.5 1763.8 2.4 Details
4 2026 Jacaranda Round Robin Open Chess Tournament (B) Standard 2026-08-01 2026-08-01 Tshwane (GTP) 5 1820.6 5 4.5 2032.5 33.9 Details
5 MCA Winter Chill Classic 2026 (Advanced) Standard 2026-07-26 2026-07-26 Johannesburg Metro (GJM) 5 1691.5 5 4.5 1945 35.8 Details
6 Knights Watch Winter Classic 2026 (B) Standard 2026-07-04 2026-07-05 Johannesburg Metro (GJM) 5 1691.5 4 1 1677.1 -2 Details
7 Wynie Robbertse Chess Tournament 2026 (A) Standard 2026-06-27 2026-06-27 Tshwane (GTP) 5 1708.2 5 3.5 2003.8 41.2 Details
8 2026 Anton Van Wouw Open (A) Standard 2026-06-20 2026-06-20 Tshwane (GTP) 5 1708.2 4 0 1178 -57.9 Details
9 2026 Centurion Mall Open Chess Tournament (A) Standard 2026-05-16 2026-05-17 Tshwane (GTP) 5 1703.9 5 2 1642.4 -10.6 Details
10 JMC Crawford Sandton Rapid 2026 (Open) Rapid 2026-05-09 2026-05-09 Johannesburg Metro (GJM) 5 1703.9 5 3.5 1816.7 14.9 Details
11 2026 PBHS Open (A) Standard 2026-04-25 2026-04-25 Tshwane (GTP) 5 1728.3 4 0 1438.5 -32.4 Details
12 3rd KHELO INDIA - LCA Chess Tournament 2026 (Prestige) Standard 2026-04-18 2026-04-19 Johannesburg Metro (GJM) 5 1728.3 5 2 1781.4 8 Details
13 Randburg Chess Club New Year Rapid 2026 Rapid 2026-01-27 2026-02-03 Johannesburg Metro (GJM) 6 1785.9 3 2 1743.2 -1.3 Details
14 JP Wagner Cup 2026 (A) Standard 2026-01-31 2026-01-31 Ekurhuleni (GE) 5 1785.9 4 2 1553.6 -17.8 Details
15 MCA Tshwane Welcome 2026 (A) Standard 2026-01-24 2026-01-24 Tshwane (GTP) 5 1785.9 5 1.5 1691.9 -9.8 Details
16 USSA Chess Championships 2025 (Open) Classical 2025-12-01 2025-12-05 Johannesburg Metro (GJM) 9 1777.8 9 6.5 1705.8 -13.8 Details
17 Chess Power House Dec Rapid 2025 (A) Rapid 2025-12-16 2025-12-16 Johannesburg Metro (GJM) 5 1777.8 5 4.5 2073.7 21.5 Details
18 Gauteng Inter-Region at Emerald Resort 2025 (Adults+Seniors) Standard 2025-12-06 2025-12-07 Sedibeng (GSV) 5 1777.8 5 2.5 1733.2 -4.1 Details
19 2025 Laerskool Doringkloof Primary Open Chess Tournament (A) Standard 2025-10-25 2025-10-25 Tshwane (GTP) 5 1787.5 5 2.5 1863.5 6.6 Details
20 Checkmate for Change Rapid 11 Oct 2025 (B) Rapid 2025-10-11 2025-10-11 Sedibeng (GSV) 5 1787.5 5 5 1839.7 3.7 Details
21 Tshwane Chess Club Clash 2025 (Open) Standard 2025-09-13 2025-09-13 Tshwane (GTP) 5 1713.4 5 3 1772.9 5.1 Details
22 2025 Alekhine Open (A) Standard 2025-09-06 2025-09-07 Tshwane (GTP) 5 1713.4 5 3 1893.4 20.5 Details
23 Chess Power House Aug Open 2025 (A) Standard 2025-08-16 2025-08-16 Ekurhuleni (GE) 5 1698.5 5 3.5 1814.4 10.6 Details
24 2025 Menlo Open (A) Standard 2025-07-26 2025-07-26 Tshwane (GTP) 5 1753.3 5 3 1837.5 7.5 Details
25 South African Open 2025 (B) Classical 2025-06-28 2025-07-05 Johannesburg Metro (GJM) 11 1753.3 11 5.5 1591.5 -38.4 Details
26 South African Open 2025 (Blitz) Blitz 2025-07-02 2025-07-02 Johannesburg Metro (GJM) 9 1753.3 9 3.5 1527.2 -8.2 Details
27 2025 Mid Gauteng Open Chess Tournament (A) Standard 2025-04-12 2025-04-12 Tshwane (GTP) 5 1635.5 5 3.5 2016.3 37.7 Details
28 AHS Open Chess Tournament 2025 (B) Standard 2025-03-01 2025-03-01 Tshwane (GTP) 5 1587.8 5 4 1806 22.1 Details
29 USSA Chess Championships 2024 (Open) Classical 2024-11-29 2024-12-03 Tshwane (GTP) 9 1639.8 9 4.5 1346.1 -53.8 Details
30 USSA Chess Championships 2024 (Blitz) Blitz 2024-12-01 2024-12-01 Tshwane (GTP) 9 1639.8 9 5 1542.5 -3.5 Details
31 Gauteng Inter-Region at UJ 2024 (Adult+Senior) Standard 2024-12-07 2024-12-08 Johannesburg Metro (GJM) 5 1639.8 5 2.5 1885 20.1 Details
32 Laerskool Doringkloof Primary Open Chess Tournament 2024 (A) Standard 2024-10-19 2024-10-19 Tshwane (GTP) 5 1530.7 5 3 1925.6 32 Details
33 2024 Tuks Open Chess Tournament (A) Standard 2024-09-28 2024-09-28 Tshwane (GTP) 5 1551.2 4 0.5 1380.8 -13.3 Details
34 Mzansi Spring Open 2024 (Advanced) Standard 2024-09-07 2024-09-07 Johannesburg Metro (GJM) 5 1551.2 5 3.5 1616.4 5.6 Details
35 JCC Khelo India 1st Annual Chess Tournament 2024 (B) Standard 2024-08-31 2024-08-31 Johannesburg Metro (GJM) 5 1551.2 5 3 1503.8 -5.1 Details
36 2024 Jacaranda Round Robin Open Chess Tournament (C) Standard 2024-08-17 2024-08-17 Tshwane (GTP) 5 1469.2 5 5 1900.6 42.7 Details
37 2024 Tshwane Chess FIDE RATED Blitz League Championship 3 Blitz 2024-07-21 2024-07-21 Tshwane (GTP) 9 1469.2 9 5.5 1735.6 8.6 Details
38 2024 Tshwane Chess FIDE RATED Blitz League Championship 1 Blitz 2024-05-26 2024-05-26 Tshwane (GTP) 9 1463.3 9 5 1559.5 3.7 Details
39 Gauteng Cup 2nd Edition 2024 Standard 2024-05-18 2024-05-18 Johannesburg Metro (GJM) 5 1394.5 5 2 1335.3 -8.1 Details
40 2024 Mid Gauteng Open Chess Tournament (B) Standard 2024-05-02 2024-05-02 Tshwane (GTP) 5 1394.5 5 4 1525.7 13.6 Details
41 2024 Silver Lakes Open Chess Tournament (D1) Standard 2024-04-21 2024-04-21 Tshwane (GTP) 5 1282.7 5 5 1769.9 48.3 Details
42 Wanderers Blitz Tournament 2024 Blitz 2024-03-23 2024-03-23 Johannesburg Metro (GJM) 9 1250 9 5 1692.4 17.9 Details
43 2023 Tuks Open Chess Tournament (C) Standard 2023-10-07 2023-10-07 Tshwane (GTP) 5 1193.2 5 4 1509.3 31.5 Details
44 UJ Fundraising Tournament 2022 (B) Standard 2022-08-13 2022-08-13 Johannesburg Metro (GJM) 5 1205 5 2.5 1108.8 -6.4 Details
45 Chessheroes Bowls Club Zoo Lake Challenge 2022 Blitz 2022-07-02 2022-07-02 Johannesburg Metro (GJM) 7 1200 6 2 1308.6 2.5 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 77
Wins 37
Draws 8
Losses 32
White 37
Black 40
White wins 19
Black wins 18
Score 41
Percent 53.2
Dp 27.6
AOR 1711.1
Performance 1738.7
Game statistics (History)
Games 261
Wins 142
Draws 22
Losses 97
White 126
Black 135
White wins 64
Black wins 78
Score 153
Percent 58.6
Dp 73.3
AOR 1606.4
Performance 1679.7
Rankings (Main)
National
Overall 220
Gender 207
Age group 145
Gender/Age 137
Provincial
Overall 83
Gender 78
Age group 53
Gender/Age 50
Regional
Overall 38
Gender 34
Age group 23
Gender/Age 21
Rankings (Standard)
National
Overall 186
Gender 177
Age group 123
Gender/Age 118
Provincial
Overall 72
Gender 70
Age group 44
Gender/Age 43
Regional
Overall 33
Gender 31
Age group 19
Gender/Age 18
Rankings (Rapid)
National
Overall 515
Gender 469
Age group 156
Gender/Age 150
Provincial
Overall 109
Gender 96
Age group 38
Gender/Age 38
Regional
Overall 50
Gender 46
Age group 24
Gender/Age 24
Rankings (Blitz)
National
Overall 244
Gender 236
Age group 138
Gender/Age 135
Provincial
Overall 76
Gender 72
Age group 39
Gender/Age 39
Regional
Overall 45
Gender 41
Age group 20
Gender/Age 20
Performance ( )
Games 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance ()
Games 77
Score 41
Percent 53.2
Aor 1711.1
Dp 27.6
Prat 1738.7
Performance (12 months)
Games 96
Score 54.5
Percent 56.8
Aor 1695.2
Dp 57.6
Prat 1752.8
Performance (History)
Games 261
Score 153
Percent 58.6
Aor 1606.4
Dp 73.3
Prat 1679.7
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Jacobs, CN (Calvin Nicholas) 4 3 1 2024 Tshwane Chess FIDE RATED Blitz League Championship 1 2025 Menlo Open (A) Details
Overall 2 Pasaribu, M (Matthew) 4 3 1 2024 Tuks Open Chess Tournament (A) Wynie Robbertse Chess Tournament 2026 (A) Details
Overall 3 Egeonu, C (Chigozie) 3 2 1 2025 Laerskool Doringkloof Primary Open Chess Tournament (A) 3rd KHELO INDIA - LCA Chess Tournament 2026 (Prestige) Details
Overall 4 Memeh, C (Chime) 3 1 2 JCC Khelo India 1st Annual Chess Tournament 2024 (B) Knights Watch Winter Classic 2026 (B) Details
Overall 5 Chikwava, R (Ronald) 3 1 2 South African Open 2025 (B) MCA Winter Chill Classic 2026 (Advanced) Details
Standard 1 Pasaribu, M (Matthew) 3 2 1 2024 Tuks Open Chess Tournament (A) Wynie Robbertse Chess Tournament 2026 (A) Details
Standard 2 Egeonu, C (Chigozie) 3 2 1 2025 Laerskool Doringkloof Primary Open Chess Tournament (A) 3rd KHELO INDIA - LCA Chess Tournament 2026 (Prestige) Details
Standard 3 Memeh, C (Chime) 3 1 2 JCC Khelo India 1st Annual Chess Tournament 2024 (B) Knights Watch Winter Classic 2026 (B) Details
Standard 4 Sarakusebwa, S (Shepard) 3 1 2 2025 Mid Gauteng Open Chess Tournament (A) 2026 Centurion Chess Club Open Tournament (A) Details
Standard 5 Chikwava, R (Ronald) 3 1 2 South African Open 2025 (B) MCA Winter Chill Classic 2026 (Advanced) Details
Rapid 1 Nsibande, B (Bonisani) 2 0 2 Chess Power House Dec Rapid 2025 (A) Ekurhuleni Rapid 2026 (A) Details
Blitz 1 Modisaotsile, B (Botlhale) 2 2 0 2024 Tshwane Chess FIDE RATED Blitz League Championship 1 2024 Tshwane Chess FIDE RATED Blitz League Championship 3 Details
Blitz 2 Jacobs, CN (Calvin Nicholas) 2 2 0 2024 Tshwane Chess FIDE RATED Blitz League Championship 1 2024 Tshwane Chess FIDE RATED Blitz League Championship 3 Details