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

PLAYER PAGE

Christopher David Yoko

1030144946
Johannesburg Metro (GJM)
Personal
Main rating
Rating 1820.6
K-factor 24
Floor 1320.6
Highest 1820.6 (2026-09-01)
Min/Max +/- allowed 68
Rating Change
()
Games 5
Score 4
We 3.98
SWe 0.01
Temp +/- 0.2
Penalties 0
Weight perform 1749.3
Final +/- +0.2
New Rating
()
Rating 1820.8
K-factor 24
Floor 1320.8
Highest 1820.8 (2026-09-01)
Min/Max +/- allowed 68.5
Standard rating
Rating 1819.7
K-factor 24
Floor 1319.7
Highest 1819.7 (2026-09-01)
Min/Max +/- allowed 68.6
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1851.4
Final +/- 0
New Rating
()
Rating 1819.7
K-factor 24
Floor 1319.7
Highest 1819.7 (2026-09-01)
Min/Max +/- allowed 68.6
Rapid rating
Rating 1464.9
K-factor 32
Floor 964.9
Highest 1464.9 (2026-06-01)
Min/Max +/- allowed 113.7
Rating Change
()
Games 5
Score 4
We 3.55
SWe 0.45
Temp +/- 14.4
Penalties 0
Weight perform 0
Final +/- +14.4
New Rating
()
Rating 1479.3
K-factor 32
Floor 979.3
Highest 1479.3 (2026-09-01)
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 1303
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 Ekurhuleni Rapid 2026 (A) Rapid 2026-08-29 2026-08-29 Ekurhuleni (GE) 5 1820.6 5 4 1638.1 0.2 Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 USSA Closed 2026 (Open) Standard 2026-08-08 2026-08-10 Tshwane (GTP) 9 1820.6 8 3.5 1763.8 2.4 Details
2 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
3 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
4 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
5 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
6 2026 Anton Van Wouw Open (A) Standard 2026-06-20 2026-06-20 Tshwane (GTP) 5 1708.2 4 0 1178 -57.9 Details
7 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
8 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
9 2026 PBHS Open (A) Standard 2026-04-25 2026-04-25 Tshwane (GTP) 5 1728.3 4 0 1438.5 -32.4 Details
10 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
11 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
12 JP Wagner Cup 2026 (A) Standard 2026-01-31 2026-01-31 Ekurhuleni (GE) 5 1785.9 4 2 1553.6 -17.8 Details
13 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
14 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
15 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
16 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
17 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
18 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
19 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
20 2025 Alekhine Open (A) Standard 2025-09-06 2025-09-07 Tshwane (GTP) 5 1713.4 5 3 1893.4 20.5 Details
21 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
22 2025 Menlo Open (A) Standard 2025-07-26 2025-07-26 Tshwane (GTP) 5 1753.3 5 3 1837.5 7.5 Details
23 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
24 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
25 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
26 AHS Open Chess Tournament 2025 (B) Standard 2025-03-01 2025-03-01 Tshwane (GTP) 5 1587.8 5 4 1806 22.1 Details
27 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
28 USSA Chess Championships 2024 (Blitz) Blitz 2024-12-01 2024-12-01 Tshwane (GTP) 9 1639.8 9 5 1542.5 -3.5 Details
29 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
30 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
31 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
32 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
33 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
34 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
35 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
36 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
37 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
38 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
39 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
40 Wanderers Blitz Tournament 2024 Blitz 2024-03-23 2024-03-23 Johannesburg Metro (GJM) 9 1250 9 5 1692.4 17.9 Details
41 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
42 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
43 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 67
Wins 31
Draws 6
Losses 30
White 32
Black 35
White wins 15
Black wins 16
Score 34
Percent 50.7
Dp 6.3
AOR 1717.4
Performance 1723.7
Game statistics (History)
Games 251
Wins 136
Draws 20
Losses 95
White 121
Black 130
White wins 60
Black wins 76
Score 146
Percent 58.2
Dp 69.4
AOR 1603.9
Performance 1673.3
Rankings (Main)
National
Overall 231
Gender 219
Age group 149
Gender/Age 142
Provincial
Overall 88
Gender 83
Age group 56
Gender/Age 53
Regional
Overall 39
Gender 35
Age group 24
Gender/Age 22
Rankings (Standard)
National
Overall 229
Gender 217
Age group 144
Gender/Age 139
Provincial
Overall 92
Gender 86
Age group 57
Gender/Age 55
Regional
Overall 39
Gender 35
Age group 22
Gender/Age 21
Rankings (Rapid)
National
Overall 573
Gender 518
Age group 163
Gender/Age 157
Provincial
Overall 125
Gender 108
Age group 44
Gender/Age 44
Regional
Overall 52
Gender 48
Age group 27
Gender/Age 27
Rankings (Blitz)
National
Overall 241
Gender 234
Age group 138
Gender/Age 135
Provincial
Overall 78
Gender 74
Age group 41
Gender/Age 41
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 67
Score 34
Percent 50.7
Aor 1717.4
Dp 6.3
Prat 1723.7
Performance (12 months)
Games 96
Score 55
Percent 57.3
Aor 1692.1
Dp 62
Prat 1754.1
Performance (History)
Games 251
Score 146
Percent 58.2
Aor 1603.9
Dp 69.4
Prat 1673.3
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 Chikwava, R (Ronald) 3 1 2 South African Open 2025 (B) MCA Winter Chill Classic 2026 (Advanced) Details
Overall 4 Modisaotsile, B (Botlhale) 3 2 1 2024 Tshwane Chess FIDE RATED Blitz League Championship 1 Chess Power House Aug Open 2025 (A) Details
Overall 5 Egeonu, C (Chigozie) 3 2 1 2025 Laerskool Doringkloof Primary Open Chess Tournament (A) 3rd KHELO INDIA - LCA Chess Tournament 2026 (Prestige) Details
Standard 1 Chikwava, R (Ronald) 3 1 2 South African Open 2025 (B) MCA Winter Chill Classic 2026 (Advanced) Details
Standard 2 Memeh, C (Chime) 3 1 2 JCC Khelo India 1st Annual Chess Tournament 2024 (B) Knights Watch Winter Classic 2026 (B) Details
Standard 3 Pasaribu, M (Matthew) 3 2 1 2024 Tuks Open Chess Tournament (A) Wynie Robbertse Chess Tournament 2026 (A) Details
Standard 4 Egeonu, C (Chigozie) 3 2 1 2025 Laerskool Doringkloof Primary Open Chess Tournament (A) 3rd KHELO INDIA - LCA Chess Tournament 2026 (Prestige) Details
Standard 5 Nkogatse, P (Phafane) 2 0 2 AHS Open Chess Tournament 2025 (B) USSA Chess Championships 2025 (Open) 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