Surname or Chess SA id..
Chess SA Region AOC

PLAYER PAGE

Yufei Ji

1180319795
Johannesburg Metro (GJM)
Personal
Main rating
Rating 1267.8
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 1265
Final +/- 0
New Rating
()
Rating 1267.8
K-factor 36
Floor 774
Highest 1274 (2026-02-28)
Min/Max +/- allowed 149.2
Standard rating
Rating 1267.8
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 1265
Final +/- 0
New Rating
()
Rating 1267.8
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 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
2 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
3 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
4 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
5 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
6 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
7 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 25
Wins 11
Draws 1
Losses 13
White 11
Black 14
White wins 5
Black wins 6
Score 11.5
Percent 46
Dp -34
AOR 1320.1
Performance 1286.1
Game statistics (History)
Games 36
Wins 17
Draws 1
Losses 18
White 16
Black 20
White wins 7
Black wins 10
Score 17.5
Percent 48.6
Dp -11.8
AOR 1295
Performance 1283.2
Rankings (Main)
National
Overall 7915
Gender 6432
Age group 375
Gender/Age 279
Provincial
Overall 2722
Gender 2199
Age group 131
Gender/Age 95
Regional
Overall 688
Gender 582
Age group 43
Gender/Age 30
Rankings (Standard)
National
Overall 6859
Gender 5493
Age group 340
Gender/Age 245
Provincial
Overall 2471
Gender 1977
Age group 117
Gender/Age 88
Regional
Overall 603
Gender 507
Age group 41
Gender/Age 29
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 25
Score 11.5
Percent 46
Aor 1320.1
Dp -34
Prat 1286.1
Performance (12 months)
Games 31
Score 15.5
Percent 50
Aor 1307.3
Dp 0
Prat 1307.3
Performance (History)
Games 36
Score 17.5
Percent 48.6
Aor 1295
Dp -11.8
Prat 1283.2
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Maduna, A (Asonele) 2 1 1 2nd Knight Riders Juniors Open Chess Tournament 2026 (U8+U10) Sixth Knight Riders Juniors Open Chess Tournament 2026 (U8+U10) Details
Overall 2 Malemane, A (Atlehang Faith) 2 1 1 2026 JMC Kick off Tournament (U10) 2nd Knight Riders Juniors Open Chess Tournament 2026 (U8+U10) Details
Overall 3 Hsu, E (Emily) 2 2 0 CPH May 2025 (E) 2026 JMC Kick off Tournament (U10) Details
Overall 4 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
Standard 1 Malemane, A (Atlehang Faith) 2 1 1 2026 JMC Kick off Tournament (U10) 2nd Knight Riders Juniors Open Chess Tournament 2026 (U8+U10) Details
Standard 2 Hsu, E (Emily) 2 2 0 CPH May 2025 (E) 2026 JMC Kick off Tournament (U10) Details
Standard 3 Maduna, A (Asonele) 2 1 1 2nd Knight Riders Juniors Open Chess Tournament 2026 (U8+U10) Sixth Knight Riders Juniors Open Chess Tournament 2026 (U8+U10) Details
Standard 4 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