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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

2025-12-16

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item Main Standard Rapid Blitz
Rating 1805.2 1776.8 1422.5 1380.1
Raw rating 1768.7 1776.8 1422.5 1369.4
Weighted rating 1670.6 1705 1234.2 1380.1
Weighted performance 1805.2 1741.8 0 1207.5
Floor 1268.7 1307.8 922.5 926.3
K-factor 28 24 32 32
Min/Max rating change allowed 73.7 72.9 120.8 130.3
Highest rating 1805.2
2026-01-01
1813.9
2025-11-01
1422.5
2026-01-01
1450.3
2024-08-01
Highest raw rating 1768.7
2026-01-01
1807.8
2025-11-01
1422.5
2026-01-01
1426.3
2024-09-01
Highest weighted rating 1670.6
2026-01-01
1705
2026-01-01
1234.2
2026-01-01
1369.4
2025-08-01
Highest weighted performance 1805.2
2026-01-01
1813.9
2025-11-01
0
2025-01-01
1488.8
2025-01-01

Prediction
Item Main Standard Rapid Blitz
Rating change -11.9 0 0 0.3
New rating 1793.4 1776.8 1422.5 1380.3
Analysis
Rating 1805.2 1776.8 1422.5 1380.1
Raw rating 1768.7 1776.8 1422.5 1369.4
Weighted rating 1670.6 1705 1234.2
Weighted performance 1805.2 1741.8 0
K-factor 28 24 32 32
Floor 1268.7 1307.8 922.5 926.3
Max/Min rating change allowed 73.7 72.9 120.8 130.3
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 1768.7 1776.8 1422.5 1369.4
New weighted rating 1685.2 1718.6 1250.5 1380.3
New weighted performance 1793.4 1730.3 0 1198.4
Temp new rating 1793.4 1776.8 1422.5 1380.3
Temp new rating +/- -11.9 0 0 0.3
Final new rating +/- -11.9 0 0 0.3
New rating 1793.4 1776.8 1422.5 1380.3
New K-factor 28 24 32 32
New floor 1268.7 1307.8 922.5 926.3

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 187 77 37
Male 178 74 34
Adult 120 47 20
Adult Male 115 47 20
Standard
RSA Province Region
Overall 156 68 31
Male 148 66 29
Adult 100 42 16
Adult Male 96 42 16
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 208 67 40
Male 194 61 35
Adult 157 50 26
Adult Male 148 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
2026-01-01 1768.7 1776.8 1422.5 1369.4
2025-11-30 1763.6 1807.8 1309.1 1369.4
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
2024-11-01 1469.2 1432.5 1200 1365.1
2024-07-01 1469.2 1432.5 1200 1365.1
2024-06-01 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

Comming soon.

Tournaments

No tournaments found.
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
No tournaments found.
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
Last 500 tournaments since 01 January 2018
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
1 USSA Chess Championships 2025 (Open) 2025-12-01 2025-12-05 Standard Johannesburg Metro (GJM) 9 9 6.5 Yes Analysis
2 Chess Power House Dec Rapid 2025 (A) 2025-12-16 2025-12-16 Rapid Johannesburg Metro (GJM) 5 5 4.5 Yes Analysis
3 Gauteng Inter-Region at Emerald Resort 2025 (Adults+Seniors) 2025-12-06 2025-12-07 Standard Sedibeng (GSV) 5 5 2.5 Yes Analysis
4 2025 Laerskool Doringkloof Primary Open Chess Tournament (A) 2025-10-25 2025-10-25 Standard Tshwane (GTP) 5 5 2.5 Yes Analysis
5 Checkmate for Change Rapid 11 Oct 2025 (B) 2025-10-11 2025-10-11 Rapid Sedibeng (GSV) 5 5 5 Yes Analysis
6 Tshwane Chess Club Clash 2025 (Open) 2025-09-13 2025-09-13 Standard Tshwane (GTP) 5 5 3 Yes Analysis
7 2025 Alekhine Open (A) 2025-09-06 2025-09-07 Standard Tshwane (GTP) 5 5 3 Yes Analysis
8 Chess Power House Aug Open 2025 (A) 2025-08-16 2025-08-16 Standard Ekurhuleni (GE) 5 5 3.5 Yes Analysis
9 2025 Menlo Open (A) 2025-07-26 2025-07-26 Standard Tshwane (GTP) 5 5 3 Yes Analysis
10 South African Open 2025 (B) 2025-06-28 2025-07-05 Standard Johannesburg Metro (GJM) 11 11 5.5 Yes Analysis
11 South African Open 2025 (Blitz) 2025-07-02 2025-07-02 Blitz Johannesburg Metro (GJM) 9 9 3.5 Yes Analysis
12 2025 Mid Gauteng Open Chess Tournament (A) 2025-04-12 2025-04-12 Standard Tshwane (GTP) 5 5 3.5 Yes Analysis
13 AHS Open Chess Tournament 2025 (B) 2025-03-01 2025-03-01 Standard Tshwane (GTP) 5 5 4 Yes Analysis
14 USSA Chess Championships 2024 (Open) 2024-11-29 2024-12-03 Standard Tshwane (GTP) 9 9 4.5 Yes Analysis
15 USSA Chess Championships 2024 (Blitz) 2024-12-01 2024-12-01 Blitz Tshwane (GTP) 9 9 5 Yes Analysis
16 Gauteng Inter-Region at UJ 2024 (Adult+Senior) 2024-12-07 2024-12-08 Standard Johannesburg Metro (GJM) 5 5 2.5 Yes Analysis
17 Laerskool Doringkloof Primary Open Chess Tournament 2024 (A) 2024-10-19 2024-10-19 Standard Tshwane (GTP) 5 5 3 Yes Analysis
18 2024 Tuks Open Chess Tournament (A) 2024-09-28 2024-09-28 Standard Tshwane (GTP) 5 4 0.5 Yes Analysis
19 Mzansi Spring Open 2024 (Advanced) 2024-09-07 2024-09-07 Standard Johannesburg Metro (GJM) 5 5 3.5 Yes Analysis
20 JCC Khelo India 1st Annual Chess Tournament 2024 (B) 2024-08-31 2024-08-31 Standard Johannesburg Metro (GJM) 5 5 3 Yes Analysis
21 2024 Jacaranda Round Robin Open Chess Tournament (C) 2024-08-17 2024-08-17 Standard Tshwane (GTP) 5 5 5 Yes Analysis
22 2024 Tshwane Chess FIDE RATED Blitz League Championship 3 2024-07-21 2024-07-21 Blitz Tshwane (GTP) 9 9 5.5 Yes Analysis
23 2024 Tshwane Chess FIDE RATED Blitz League Championship 1 2024-05-26 2024-05-26 Blitz Tshwane (GTP) 9 9 5 Yes Analysis
24 Gauteng Cup 2nd Edition 2024 2024-05-18 2024-05-18 Standard Johannesburg Metro (GJM) 5 5 2 Yes Analysis
25 2024 Mid Gauteng Open Chess Tournament (B) 2024-05-02 2024-05-02 Standard Tshwane (GTP) 5 5 4 Yes Analysis
26 2024 Silver Lakes Open Chess Tournament (D1) 2024-04-21 2024-04-21 Standard Tshwane (GTP) 5 5 5 Yes Analysis
27 Wanderers Blitz Tournament 2024 2024-03-23 2024-03-23 Blitz Johannesburg Metro (GJM) 9 9 5 Yes Analysis
28 2023 Tuks Open Chess Tournament (C) 2023-10-07 2023-10-07 Standard Tshwane (GTP) 5 5 4 Yes Analysis
29 UJ Fundraising Tournament 2022 (B) 2022-08-13 2022-08-13 Standard Johannesburg Metro (GJM) 5 5 2.5 Yes Analysis
30 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
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