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

PLAYER PAGE

Yufei Ji

1180319795
Johannesburg Metro (GJM)
Personal
Main rating
Rating 1238.7
K-factor 36
Floor 774
Highest 1274 (2026-02-28)
Min/Max +/- allowed 149
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1212.1
Final +/- 0
New Rating
()
Rating 1238.7
K-factor 36
Floor 774
Highest 1274 (2026-02-28)
Min/Max +/- allowed 149.2
Standard rating
Rating 1228.5
K-factor 36
Floor 771.1
Highest 1271.1 (2026-02-28)
Min/Max +/- allowed 149.8
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1212.1
Final +/- 0
New Rating
()
Rating 1228.5
K-factor 36
Floor 771.1
Highest 1271.1 (2026-02-28)
Min/Max +/- allowed 149.8
Rapid rating
Rating 1239.2
K-factor 36
Floor 739.2
Highest 1239.2 (2025-11-30)
Min/Max +/- allowed 156.8
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1239.2
K-factor 36
Floor 739.2
Highest 1239.2 (2025-11-30)
Min/Max +/- allowed 156.8
Blitz rating
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2025-06-01)
Min/Max +/- allowed 165.8
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2025-06-01)
Min/Max +/- allowed 165.8
Rating Graph
Tournaments
No tournaments found.
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 Midrand Juniors Classical Tournament 2026 (U10) Standard 2026-08-29 2026-08-29 Johannesburg Metro (GJM) 5 1238.7 5 3 1255.1 -1.4 Details
2 JMC Closed 2026 (U10) Standard 2026-08-01 2026-08-01 Johannesburg Metro (GJM) 5 1238.7 5 2 1165 -17 Details
3 JMC Trinityhouse Randpark Ridge 2026 (U10) Standard 2026-06-27 2026-06-27 Johannesburg Metro (GJM) 5 1267.8 5 2 1198.7 -10.7 Details
4 Sixth Knight Riders Juniors Open Chess Tournament 2026 (U8+U10) Standard 2026-05-10 2026-05-10 Johannesburg Metro (GJM) 5 1260.2 5 3.5 1410.3 27.7 Details
5 Fifth Knight Riders Juniors Open Chess Tournament 2026 (U8+U10) Standard 2026-05-02 2026-05-02 Johannesburg Metro (GJM) 5 1260.2 5 1 1130.2 -21.8 Details
6 3rd KHELO INDIA - LCA Chess Tournament 2026 (D) Standard 2026-04-19 2026-04-19 Johannesburg Metro (GJM) 5 1274 5 2 1202.8 -13.8 Details
7 2nd Knight Riders Juniors Open Chess Tournament 2026 (U8+U10) Standard 2026-02-21 2026-02-21 Johannesburg Metro (GJM) 5 1233 5 3 1390.4 15.9 Details
8 2026 JMC Kick off Tournament (U10) Standard 2026-02-01 2026-02-01 Johannesburg Metro (GJM) 5 1233 5 2 1296.7 3.9 Details
9 MCA Year End Rapid 2025 (U8) Rapid 2025-11-01 2025-11-01 Johannesburg Metro (GJM) 7 1199.9 6 4 1395.6 16.6 Details
10 CPH May 2025 (E) Standard 2025-05-03 2025-05-03 Johannesburg Metro (GJM) 5 1200 5 2 1133.7 -5.8 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 40
Wins 18
Draws 1
Losses 21
White 20
Black 20
White wins 8
Black wins 10
Score 18.5
Percent 46.2
Dp -31.9
AOR 1288
Performance 1256.2
Game statistics (History)
Games 51
Wins 24
Draws 1
Losses 26
White 25
Black 26
White wins 10
Black wins 14
Score 24.5
Percent 48
Dp -16.7
AOR 1277.2
Performance 1260.6
Rankings (Main)
National
Overall 9343
Gender 7464
Age group 513
Gender/Age 390
Provincial
Overall 3224
Gender 2538
Age group 181
Gender/Age 136
Regional
Overall 748
Gender 618
Age group 46
Gender/Age 33
Rankings (Standard)
National
Overall 8353
Gender 6533
Age group 508
Gender/Age 369
Provincial
Overall 3008
Gender 2325
Age group 177
Gender/Age 129
Regional
Overall 657
Gender 536
Age group 46
Gender/Age 34
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 40
Score 18.5
Percent 46.2
Aor 1288
Dp -31.9
Prat 1256.2
Performance (12 months)
Games 46
Score 22.5
Percent 48.9
Aor 1283.6
Dp -9.2
Prat 1274.3
Performance (History)
Games 51
Score 24.5
Percent 48
Aor 1277.2
Dp -16.7
Prat 1260.6
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Malemane, A (Atlehang Faith) 3 2 1 2026 JMC Kick off Tournament (U10) Midrand Juniors Classical Tournament 2026 (U10) Details
Overall 2 Liu, K (Kaireen) 2 2 0 MCA Year End Rapid 2025 (U8) JMC Trinityhouse Randpark Ridge 2026 (U10) Details
Overall 3 Mkhasibe, N (Njabulo) 2 2 0 Fifth Knight Riders Juniors Open Chess Tournament 2026 (U8+U10) Sixth Knight Riders Juniors Open Chess Tournament 2026 (U8+U10) Details
Overall 4 Stelloh, A (Alexander) 2 2 0 2nd Knight Riders Juniors Open Chess Tournament 2026 (U8+U10) JMC Closed 2026 (U10) Details
Overall 5 Hsu, E (Emily) 2 2 0 CPH May 2025 (E) 2026 JMC Kick off Tournament (U10) Details
Standard 1 Malemane, A (Atlehang Faith) 3 2 1 2026 JMC Kick off Tournament (U10) Midrand Juniors Classical Tournament 2026 (U10) Details
Standard 2 Stelloh, A (Alexander) 2 2 0 2nd Knight Riders Juniors Open Chess Tournament 2026 (U8+U10) JMC Closed 2026 (U10) Details
Standard 3 Wong, B (Benjamin) 2 2 0 Sixth Knight Riders Juniors Open Chess Tournament 2026 (U8+U10) JMC Trinityhouse Randpark Ridge 2026 (U10) Details
Standard 4 Hsu, E (Emily) 2 2 0 CPH May 2025 (E) 2026 JMC Kick off Tournament (U10) Details
Standard 5 Mkhasibe, N (Njabulo) 2 2 0 Fifth Knight Riders Juniors Open Chess Tournament 2026 (U8+U10) Sixth Knight Riders Juniors Open Chess Tournament 2026 (U8+U10) Details