PLAYER PAGE

Personal

Yoko, C (Christopher David)

Chess SA id

1030144946

FIDE id

?

Date of birth

2003-09-18 (Adult)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

No

Last active game

2025-10-25

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item Main Standard Rapid Blitz
Rating 1796.5 1813.9 1309.1 1377.9
Raw rating 1763.6 1807.8 1309.1 1369.4
Weighted rating 1636.5 1670.2 1208.7 1377.9
Weighted performance 1796.5 1813.9 0 1236.8
Floor 1263.6 1307.8 809.1 926.3
K-factor 28 24 36 32
Min/Max rating change allowed 74.3 69.8 141.9 130.3
Highest rating 1796.5
2025-11-01
1813.9
2025-11-01
1309.1
2025-11-01
1450.3
2024-08-01
Highest raw rating 1763.6
2025-11-01
1807.8
2025-11-01
1309.1
2025-11-01
1426.3
2024-09-01
Highest weighted rating 1636.5
2025-11-01
1670.2
2025-11-01
1208.7
2025-11-01
1369.4
2025-08-01
Highest weighted performance 1796.5
2025-11-01
1813.9
2025-11-01
0
2025-01-01
1488.8
2025-01-01

Prediction
Item Main Standard Rapid Blitz
Rating change -10.6 -6.2 0 1.4
New rating 1785.9 1807.8 1309.1 1379.3
Analysis
Rating 1796.5 1813.9 1309.1 1377.9
Raw rating 1763.6 1807.8 1309.1 1369.4
Weighted rating 1636.5 1670.2 1208.7
Weighted performance 1796.5 1813.9 0
K-factor 28 24 36 32
Floor 1263.6 1307.8 809.1 926.3
Max/Min rating change allowed 74.3 69.8 141.9 130.3
Games 0 0 0 0
Score 0 0 0 0
Expected score 0 0 0 0
Score-Expected 0 0 0 0
Temp raw +/- 0 0 0 0
Final raw +/- 0 0 0 0
New raw rating 1763.6 1807.8 1309.1 1369.4
New weighted rating 1654.2 1689.8 1217.1 1379.3
New weighted performance 1785.9 1803.2 0 1228.6
Temp new rating 1785.9 1807.8 1309.1 1379.3
Temp new rating +/- -10.6 -6.2 0 1.4
Final new rating +/- -10.6 -6.2 0 1.4
New rating 1785.9 1807.8 1309.1 1379.3
New K-factor 28 24 36 32
New floor 1263.6 1307.8 809.1 926.3

Item Main Standard Rapid Blitz
0 0 0 0
60 46 5 9
89 53 0 36
5 5 0 0
11 5 0 6
0 0 0 0
History 165 109 5 51

Games since
Main
149
Standard
99
Rapid
5
Blitz
45
Gender Male
Age group Adult
Region Johannesburg Metro (GJM)
Province Gauteng (GT)
Main
RSA Province Region
Overall 162 68 30
Male 155 66 28
Adult 109 45 18
Adult Male 105 45 18
Standard
RSA Province Region
Overall 144 59 25
Male 137 57 23
Adult 93 37 14
Adult Male 90 37 14
Rapid
RSA Province Region
Overall -1 -1 -1
Male -1 -1 -1
Adult -1 -1 -1
Adult Male -1 -1 -1
Blitz
RSA Province Region
Overall 204 65 38
Male 193 60 34
Adult 156 50 26
Adult Male 149 48 25

Games Score % Dp AvgOpp Performance
Main 0 0 0 0 0 0
Standard 0 0 0 0 0 0
Rapid 0 0 0 0 0 0
Blitz 0 0 0 0 0 0
Games Score % Dp AvgOpp Performance
Main 60 36.5 60.83 92.1 1665.7 1757.8
Standard 46 28 60.87 92.4 1701.7 1794.1
Rapid 5 5 100 425 1414.7 1839.7
Blitz 9 3.5 38.89 -94.4 1621.6 1527.2
History
Games Score % Dp AvgOpp Performance
Main 165 98.5 59.7 82.4 1554.7 1637.2
Standard 109 67.5 61.93 101.4 1555.2 1656.6
Rapid 5 5 100 425 1414.7 1839.7
Blitz 51 26 50.98 8.3 1567.5 1575.8

Date Main Standard Rapid Blitz
2025-11-01 1763.6 1807.8 1309.1 1369.4
2025-09-30 1749.1 1797.1 1200 1369.4
2025-09-01 1713.4 1776.7 1200 1369.4
2025-08-01 1698.5 1770.7 1200 1369.4
2025-07-01 1753.3 1796.7 1200 1387.9
2025-06-01 1753.3 1796.7 1200 1387.9
2025-05-01 1753.3 1796.7 1200 1387.9
2025-04-01 1635.5 1674 1200 1387.9
2025-03-01 1587.8 1643.4 1200 1387.9
2025-02-01 1587.8 1643.4 1200 1387.9
2025-01-01 1587.8 1643.4 1200 1387.9
2024-12-01 1639.8 1641.8 1200 1426.3
2024-11-01 1639.8 1641.8 1200 1426.3
2024-10-01 1530.7 1537.5 1200 1426.3
2024-09-01 1551.2 1575.9 1200 1426.3
2024-08-01 1469.2 1432.5 1200 1365.1
2024-07-01 1469.2 1432.5 1200 1365.1
2024-09-01 1463.3 1432.5 1200 1342.4
2024-05-01 1394.5 1370 1200 1342.4
2024-04-01 1282.7 1262.4 1200 1342.4
2024-03-01 1250 1262.4 1200 1197.2
2024-02-01 1250 1262.4 1200 1197.2
2024-01-01 1250 1262.4 1200 1197.2
2023-12-01 1250 1262.4 1200 1197.2

Comming soon.

Tournaments

No tournaments found.
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
1 2025 Laerskool Doringkloof Primary Open Chess Tournament (A) 2025-10-25 2025-10-25 Standard Tshwane (GTP) 5 5 2.5 Yes Analysis
2 Checkmate for Change Rapid 11 Oct 2025 (B) 2025-10-11 2025-10-11 Rapid Sedibeng (GSV) 5 5 5 Yes Analysis
3 Tshwane Chess Club Clash 2025 (Open) 2025-09-13 2025-09-13 Standard Tshwane (GTP) 5 5 3 Yes Analysis
4 2025 Alekhine Open (A) 2025-09-06 2025-09-07 Standard Tshwane (GTP) 5 5 3 Yes Analysis
5 Chess Power House Aug Open 2025 (A) 2025-08-16 2025-08-16 Standard Ekurhuleni (GE) 5 5 3.5 Yes Analysis
6 2025 Menlo Open (A) 2025-07-26 2025-07-26 Standard Tshwane (GTP) 5 5 3 Yes Analysis
7 South African Open 2025 (B) 2025-06-28 2025-07-05 Standard Johannesburg Metro (GJM) 11 11 5.5 Yes Analysis
8 South African Open 2025 (Blitz) 2025-07-02 2025-07-02 Blitz Johannesburg Metro (GJM) 9 9 3.5 Yes Analysis
9 2025 Mid Gauteng Open Chess Tournament (A) 2025-04-12 2025-04-12 Standard Tshwane (GTP) 5 5 3.5 Yes Analysis
10 AHS Open Chess Tournament 2025 (B) 2025-03-01 2025-03-01 Standard Tshwane (GTP) 5 5 4 Yes Analysis
Last 500 tournaments since 01 January 2018
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
1 2025 Laerskool Doringkloof Primary Open Chess Tournament (A) 2025-10-25 2025-10-25 Standard Tshwane (GTP) 5 5 2.5 Yes Analysis
2 Checkmate for Change Rapid 11 Oct 2025 (B) 2025-10-11 2025-10-11 Rapid Sedibeng (GSV) 5 5 5 Yes Analysis
3 Tshwane Chess Club Clash 2025 (Open) 2025-09-13 2025-09-13 Standard Tshwane (GTP) 5 5 3 Yes Analysis
4 2025 Alekhine Open (A) 2025-09-06 2025-09-07 Standard Tshwane (GTP) 5 5 3 Yes Analysis
5 Chess Power House Aug Open 2025 (A) 2025-08-16 2025-08-16 Standard Ekurhuleni (GE) 5 5 3.5 Yes Analysis
6 2025 Menlo Open (A) 2025-07-26 2025-07-26 Standard Tshwane (GTP) 5 5 3 Yes Analysis
7 South African Open 2025 (B) 2025-06-28 2025-07-05 Standard Johannesburg Metro (GJM) 11 11 5.5 Yes Analysis
8 South African Open 2025 (Blitz) 2025-07-02 2025-07-02 Blitz Johannesburg Metro (GJM) 9 9 3.5 Yes Analysis
9 2025 Mid Gauteng Open Chess Tournament (A) 2025-04-12 2025-04-12 Standard Tshwane (GTP) 5 5 3.5 Yes Analysis
10 AHS Open Chess Tournament 2025 (B) 2025-03-01 2025-03-01 Standard Tshwane (GTP) 5 5 4 Yes Analysis
11 USSA Chess Championships 2024 (Open) 2024-11-29 2024-12-03 Standard Tshwane (GTP) 9 9 4.5 Yes Analysis
12 USSA Chess Championships 2024 (Blitz) 2024-12-01 2024-12-01 Blitz Tshwane (GTP) 9 9 5 Yes Analysis
13 Gauteng Inter-Region at UJ 2024 (Adult+Senior) 2024-12-07 2024-12-08 Standard Johannesburg Metro (GJM) 5 5 2.5 Yes Analysis
14 Laerskool Doringkloof Primary Open Chess Tournament 2024 (A) 2024-10-19 2024-10-19 Standard Tshwane (GTP) 5 5 3 Yes Analysis
15 2024 Tuks Open Chess Tournament (A) 2024-09-28 2024-09-28 Standard Tshwane (GTP) 5 4 0.5 Yes Analysis
16 Mzansi Spring Open 2024 (Advanced) 2024-09-07 2024-09-07 Standard Johannesburg Metro (GJM) 5 5 3.5 Yes Analysis
17 JCC Khelo India 1st Annual Chess Tournament 2024 (B) 2024-08-31 2024-08-31 Standard Johannesburg Metro (GJM) 5 5 3 Yes Analysis
18 2024 Jacaranda Round Robin Open Chess Tournament (C) 2024-08-17 2024-08-17 Standard Tshwane (GTP) 5 5 5 Yes Analysis
19 2024 Tshwane Chess FIDE RATED Blitz League Championship 3 2024-07-21 2024-07-21 Blitz Tshwane (GTP) 9 9 5.5 Yes Analysis
20 2024 Tshwane Chess FIDE RATED Blitz League Championship 1 2024-05-26 2024-05-26 Blitz Tshwane (GTP) 9 9 5 Yes Analysis
21 Gauteng Cup 2nd Edition 2024 2024-05-18 2024-05-18 Standard Johannesburg Metro (GJM) 5 5 2 Yes Analysis
22 2024 Mid Gauteng Open Chess Tournament (B) 2024-05-02 2024-05-02 Standard Tshwane (GTP) 5 5 4 Yes Analysis
23 2024 Silver Lakes Open Chess Tournament (D1) 2024-04-21 2024-04-21 Standard Tshwane (GTP) 5 5 5 Yes Analysis
24 Wanderers Blitz Tournament 2024 2024-03-23 2024-03-23 Blitz Johannesburg Metro (GJM) 9 9 5 Yes Analysis
25 2023 Tuks Open Chess Tournament (C) 2023-10-07 2023-10-07 Standard Tshwane (GTP) 5 5 4 Yes Analysis
26 UJ Fundraising Tournament 2022 (B) 2022-08-13 2022-08-13 Standard Johannesburg Metro (GJM) 5 5 2.5 Yes Analysis
27 Chessheroes Bowls Club Zoo Lake Challenge 2022 2022-07-02 2022-07-02 Blitz Johannesburg Metro (GJM) 7 6 2 Yes Analysis

Top 3 Streaks

# Games Start End
1 9 Tournament
2024 Tshwane Chess FIDE RATED Blitz League Championship 3
Tournament
JCC Khelo India 1st Annual Chess Tournament 2024
date
2024-07-21
rnd
9
type
Blitz
result
1
date
2024-08-31
rnd
3
type
Standard
result
1
Opponent
Luchies, M (Maria)
Opponent
Memeh, C (Chime)
2 8 Tournament
Tshwane Chess Club Clash 2025
Tournament
2025 Laerskool Doringkloof Primary Open Chess Tournament
date
2025-09-13
rnd
4
type
Standard
result
1
date
2025-10-25
rnd
1
type
Standard
result
1
Opponent
Gemmell, Z (Zac)
Opponent
Adamson, LJ (Luke Jonathan)
3 8 Tournament
Wanderers Blitz Tournament 2024
Tournament
2024 Mid Gauteng Open Chess Tournament
date
2024-03-23
rnd
9
type
Blitz
result
1
date
2024-05-02
rnd
2
type
Standard
result
1
Opponent
Maponya, K (Khutso)
Opponent
Feuth, JA (Johannes)
# Games Start End
1 11 Tournament
2023 Tuks Open Chess Tournament
Tournament
2024 Mid Gauteng Open Chess Tournament
date
2023-10-07
rnd
2
type
Standard
result
1
date
2024-05-02
rnd
2
type
Standard
result
1
Opponent
Nkokou, G (Gomolemo)
Opponent
Feuth, JA (Johannes)
2 10 Tournament
Gauteng Cup 2nd Edition 2024
Tournament
JCC Khelo India 1st Annual Chess Tournament 2024
date
2024-05-18
rnd
4
type
Standard
result
1
date
2024-08-31
rnd
3
type
Standard
result
1
Opponent
Bokgoshi, L (Lesley)
Opponent
Memeh, C (Chime)
3 6 Tournament
2025 Mid Gauteng Open Chess Tournament
Tournament
South African Open 2025
date
2025-04-12
rnd
4
type
Standard
result
1
date
2025-06-29
rnd
4
type
Standard
result
0.5
Opponent
Molobi, G (Gomolemo)
Opponent
Ngcongo, M (Minenhle)
No games found.
# Games Start End
# Games Start End
1 6 Tournament
2024 Tshwane Chess FIDE RATED Blitz League Championship 1
Tournament
2024 Tshwane Chess FIDE RATED Blitz League Championship 3
date
2024-05-26
rnd
8
type
Blitz
result
1
date
2024-07-21
rnd
4
type
Blitz
result
1
Opponent
Lindeque, G (Gabri'Ella)
Opponent
Modisaotsile, B (Botlhale)
2 3 Tournament
USSA Chess Championships 2024
Tournament
USSA Chess Championships 2024
date
2024-12-01
rnd
6
type
Blitz
result
1
date
2024-12-01
rnd
8
type
Blitz
result
1
Opponent
Pasaribu, M (Matthew)
Opponent
Munenga, I (Isheanesu Dylan)
3 2 Tournament
South African Open 2025
Tournament
South African Open 2025
date
2025-07-02
rnd
4
type
Blitz
result
1
date
2025-07-02
rnd
5
type
Blitz
result
0.5
Opponent
Pienaar, LA (Amadeus Leonard)
Opponent
Mthunzi, C (Clive)
# Games Start End
1 9 Tournament
2024 Tshwane Chess FIDE RATED Blitz League Championship 3
Tournament
JCC Khelo India 1st Annual Chess Tournament 2024
date
2024-07-21
rnd
9
type
Blitz
result
1
date
2024-08-31
rnd
3
type
Standard
result
1
Opponent
Luchies, M (Maria)
Opponent
Memeh, C (Chime)
2 8 Tournament
Wanderers Blitz Tournament 2024
Tournament
2024 Mid Gauteng Open Chess Tournament
date
2024-03-23
rnd
9
type
Blitz
result
1
date
2024-05-02
rnd
2
type
Standard
result
1
Opponent
Maponya, K (Khutso)
Opponent
Feuth, JA (Johannes)
3 5 Tournament
2025 Mid Gauteng Open Chess Tournament
Tournament
South African Open 2025
date
2025-04-12
rnd
4
type
Standard
result
1
date
2025-06-29
rnd
3
type
Standard
result
1
Opponent
Molobi, G (Gomolemo)
Opponent
Chikwava, R (Ronald)
# Games Start End
1 11 Tournament
2023 Tuks Open Chess Tournament
Tournament
2024 Mid Gauteng Open Chess Tournament
date
2023-10-07
rnd
2
type
Standard
result
1
date
2024-05-02
rnd
2
type
Standard
result
1
Opponent
Nkokou, G (Gomolemo)
Opponent
Feuth, JA (Johannes)
2 10 Tournament
Gauteng Cup 2nd Edition 2024
Tournament
JCC Khelo India 1st Annual Chess Tournament 2024
date
2024-05-18
rnd
4
type
Standard
result
1
date
2024-08-31
rnd
3
type
Standard
result
1
Opponent
Bokgoshi, L (Lesley)
Opponent
Memeh, C (Chime)
3 5 Tournament
2025 Mid Gauteng Open Chess Tournament
Tournament
South African Open 2025
date
2025-04-12
rnd
4
type
Standard
result
1
date
2025-06-29
rnd
3
type
Standard
result
1
Opponent
Molobi, G (Gomolemo)
Opponent
Chikwava, R (Ronald)
No games found.
# Games Start End
# Games Start End
1 3 Tournament
USSA Chess Championships 2024
Tournament
USSA Chess Championships 2024
date
2024-12-01
rnd
6
type
Blitz
result
1
date
2024-12-01
rnd
8
type
Blitz
result
1
Opponent
Pasaribu, M (Matthew)
Opponent
Munenga, I (Isheanesu Dylan)
2 3 Tournament
2024 Tshwane Chess FIDE RATED Blitz League Championship 3
Tournament
2024 Tshwane Chess FIDE RATED Blitz League Championship 3
date
2024-07-21
rnd
2
type
Blitz
result
1
date
2024-07-21
rnd
4
type
Blitz
result
1
Opponent
Pieterson, W (Werner)
Opponent
Modisaotsile, B (Botlhale)
3 2 Tournament
South African Open 2025
Tournament
South African Open 2025
date
2025-07-02
rnd
1
type
Blitz
result
1
date
2025-07-02
rnd
2
type
Blitz
result
1
Opponent
Van Der Schyff, M (Mila-Ne)
Opponent
Francis, A (Aaron)

Top 10 opponents most often played

# Opponent Main Standard Rapid Blitz
Gms Score Dp Gms Score Dp Gms Score Dp Gms Score Dp
Aor Prat Aor Prat Aor Prat Aor Prat
1 Jacobs ,CN (Calvin Nicholas) 4 1 -212.5 2 1 0 0 0 0 2 0 -425
1963.5 1751 1979.6 1963.5 0 0 1910.2 1538.5
2 Pasaribu ,M (Matthew) 3 1.5 0 2 0.5 -212.5 0 0 0 1 1 425
1615.3 1615.3 1637.8 1402.8 0 0 1031.7 2040.3
3 Modisaotsile ,B (Botlhale) 3 2 141.7 1 1 425 0 0 0 2 1 0
1576.9 1718.6 1656.9 2001.9 0 0 1285.3 1576.9
4 Nene ,TH (Themba Hope) 2 0 -425 2 0 -425 0 0 0 0 0 0
1868.9 1443.9 1874.3 1443.9 0 0 0 0
5 Gemmell ,Z (Zac) 2 1 0 2 1 0 0 0 0 0 0 0
1539.8 1539.8 1536.1 1539.8 0 0 0 0
6 Sarakusebwa ,S (Shepard) 2 1.5 212.5 2 1.5 212.5 0 0 0 0 0 0
1882.3 2094.8 1898.8 2094.8 0 0 0 0
7 Rishworth ,J (Justin) 2 1 0 2 1 0 0 0 0 0 0 0
1546.9 1546.9 1543.6 1546.9 0 0 0 0
8 Thorulsley ,K (Kairaav) 2 2 425 2 2 425 0 0 0 0 0 0
1497.1 1922.1 1493.4 1922.1 0 0 0 0
9 Letsoalo ,PM (Peter Mogatli) 2 1 0 2 1 0 0 0 0 0 0 0
1706.2 1706.2 1713.9 1706.2 0 0 0 0
10 Molobi ,G (Gomolemo) 2 1 0 1 1 425 0 0 0 1 0 -425
1836.9 1836.9 1859.6 2261.9 0 0 1104.6 1411.9

Norms

No norms achieved.
# Norm Tournament Start End Rounds Games Score Details
© Chess South Africa