PLAYER PAGE
Personal
Zhang, Y (Yufei)
Chess SA id
2130306252FIDE id
?Date of birth
2013-12-23 (U14)Gender
FemaleRegion
Tshwane (GTP)Citizen
CHNTitles
Chess SA registered
YesLast active game
2025-10-25Personal details last changed
2025-03-25Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1175.1 | 1171.7 | 1200 | 1200 |
| Raw rating | 1175.1 | 1171.7 | 1200 | 1200 |
| Weighted rating | 1162 | 1160.7 | 1200 | 1200 |
| Weighted performance | 1140.6 | 1141.4 | 0 | 0 |
| Floor | 700 | 700 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 171.8 | 172.6 | 165.8 | 165.8 |
| Highest rating | 12002024-06-01 | 12002024-06-01 | 12002024-06-01 | 12002024-06-01 |
| Highest raw rating | 12002024-06-01 | 12002024-06-01 | 12002024-06-01 | 12002024-06-01 |
| Highest weighted rating | 12002024-06-01 | 12002024-06-01 | 12002024-06-01 | 12002024-06-01 |
| Highest weighted performance | 12002024-12-01 | 12002024-12-01 | 12002024-06-01 | 12002024-06-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1175.1 | 1171.7 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1175.1 | 1171.7 | 1200 | 1200 |
| Raw rating | 1175.1 | 1171.7 | 1200 | 1200 |
| Weighted rating | 1162 | 1160.7 | 1200 | |
| Weighted performance | 1140.6 | 1141.4 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 700 | 700 | 700 | 700 |
| Max/Min rating change allowed | 171.8 | 172.6 | 165.8 | 165.8 |
| 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 | 1175.1 | 1171.7 | 1200 | 1200 |
| New weighted rating | 1162.5 | 1161.1 | 1200 | 1200 |
| New weighted performance | 1133.8 | 1134.7 | 0 | 0 |
| Temp new rating | 1175.1 | 1171.7 | 1200 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1175.1 | 1171.7 | 1200 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 700 | 700 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 58 | 58 | 0 | 0 | |
| 15 | 15 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 73 | 73 | 0 | 0 |
| Games since | |||||||||||||||||
| Main73 | Standard73 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Female | ||||||||||||||||
| Age group | U14 | ||||||||||||||||
| Region | Tshwane (GTP) | ||||||||||||||||
| Province | Gauteng (GT) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | 4275 | 1382 | 487 | ||||||||||||||
| Female | 1055 | 335 | 117 | ||||||||||||||
| U14 | 848 | 273 | 95 | ||||||||||||||
| U14 Female | 250 | 85 | 28 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | 4259 | 1511 | 576 | ||||||||||||||
| Female | 1064 | 360 | 140 | ||||||||||||||
| U14 | 848 | 301 | 112 | ||||||||||||||
| U14 Female | 259 | 93 | 36 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U14 | -1 | -1 | -1 | ||||||||||||||
| U14 Female | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U14 | -1 | -1 | -1 | ||||||||||||||
| U14 Female | -1 | -1 | -1 | ||||||||||||||
| 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 | 58 | 22.5 | 38.79 | -95.3 | 1246.4 | 1151.2 |
| Standard | 58 | 22.5 | 38.79 | -95.3 | 1246.4 | 1151.2 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 73 | 27.5 | 37.67 | -104.8 | 1239.6 | 1134.9 |
| Standard | 73 | 27.5 | 37.67 | -104.8 | 1239.6 | 1134.9 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1175.1 | 1171.7 | 1200 | 1200 |
| 2025-09-30 | 1181 | 1178.5 | 1200 | 1200 |
| 2025-09-01 | 1145 | 1140.4 | 1200 | 1200 |
| 2025-08-01 | 1163.5 | 1163.8 | 1200 | 1200 |
| 2025-07-01 | 1163.5 | 1163.8 | 1200 | 1200 |
| 2025-06-01 | 1163.8 | 1163 | 1200 | 1200 |
| 2025-05-01 | 1166.5 | 1167.1 | 1200 | 1200 |
| 2025-04-01 | 1169.2 | 1168.6 | 1200 | 1200 |
| 2025-03-01 | 1171.9 | 1172.8 | 1200 | 1200 |
| 2025-02-01 | 1163.6 | 1162.1 | 1200 | 1200 |
| 2025-01-01 | 1132.6 | 1130.8 | 1200 | 1200 |
| 2024-12-01 | 1132.6 | 1130.8 | 1200 | 1200 |
| 2024-11-01 | 1132.6 | 1130.8 | 1200 | 1200 |
| 2024-10-01 | 1132.6 | 1130.8 | 1200 | 1200 |
| 2024-09-01 | 1132.6 | 1130.8 | 1200 | 1200 |
| 2024-08-01 | 1169.4 | 1172.4 | 1200 | 1200 |
| 2024-07-01 | 1131.9 | 1125.6 | 1200 | 1200 |
| 2024-09-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-05-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-04-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-03-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-02-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-01-01 | 1200 | 1200 | 1200 | 1200 |
| 2023-12-01 | 1200 | 1200 | 1200 | 1200 |
Comming soon.
Tournaments
| # | 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 (D) | 2025-10-25 | 2025-10-25 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 2 | Tshwane Chess Club Clash 2025 (Open) | 2025-09-13 | 2025-09-13 | Standard | Tshwane (GTP) | 5 | 5 | 1 | Yes | Analysis |
| 3 | 2025 Alekhine Open (D) | 2025-09-06 | 2025-09-07 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 4 | 2025 Midstream Open Chess Tournament (D) | 2025-08-25 | 2025-08-25 | Standard | Tshwane (GTP) | 5 | 4 | 0 | Yes | Analysis |
| 5 | 2025 Tshwane South School District CLOSED League Championship (U13B) | 2025-08-15 | 2025-08-15 | Standard | Tshwane (GTP) | 5 | 4 | 3 | Yes | Analysis |
| 6 | 2025 JMCA Open Chess Tournament (D) | 2025-06-07 | 2025-06-07 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 7 | Knight Riders Juniors Open Chess Tournament 2025 (C) | 2025-05-25 | 2025-05-25 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 1.5 | Yes | Analysis |
| 8 | 2025 Silver Lakes Chess Club Open Chess Tournament (D) | 2025-05-03 | 2025-05-03 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 9 | 2025 Mid Gauteng Open Chess Tournament (D) | 2025-04-12 | 2025-04-12 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 10 | 2025 Chris Greyling Open Chess Tournament (D1) | 2025-03-15 | 2025-03-15 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 11 | 2025 Blou Bul Open Chess Tournament (D2) | 2025-02-08 | 2025-02-08 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 12 | 2025 Tshwane Chess OPEN Registration Tournament (C) | 2025-01-25 | 2025-01-25 | Standard | Tshwane (GTP) | 5 | 5 | 2 | 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 (D) | 2025-10-25 | 2025-10-25 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 2 | Tshwane Chess Club Clash 2025 (Open) | 2025-09-13 | 2025-09-13 | Standard | Tshwane (GTP) | 5 | 5 | 1 | Yes | Analysis |
| 3 | 2025 Alekhine Open (D) | 2025-09-06 | 2025-09-07 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 4 | 2025 Midstream Open Chess Tournament (D) | 2025-08-25 | 2025-08-25 | Standard | Tshwane (GTP) | 5 | 4 | 0 | Yes | Analysis |
| 5 | 2025 Tshwane South School District CLOSED League Championship (U13B) | 2025-08-15 | 2025-08-15 | Standard | Tshwane (GTP) | 5 | 4 | 3 | Yes | Analysis |
| 6 | 2025 JMCA Open Chess Tournament (D) | 2025-06-07 | 2025-06-07 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 7 | Knight Riders Juniors Open Chess Tournament 2025 (C) | 2025-05-25 | 2025-05-25 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 1.5 | Yes | Analysis |
| 8 | 2025 Silver Lakes Chess Club Open Chess Tournament (D) | 2025-05-03 | 2025-05-03 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 9 | 2025 Mid Gauteng Open Chess Tournament (D) | 2025-04-12 | 2025-04-12 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 10 | 2025 Chris Greyling Open Chess Tournament (D1) | 2025-03-15 | 2025-03-15 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 11 | 2025 Blou Bul Open Chess Tournament (D2) | 2025-02-08 | 2025-02-08 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 12 | 2025 Tshwane Chess OPEN Registration Tournament (C) | 2025-01-25 | 2025-01-25 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 13 | 2024 Alekhine Open Chess Tournament (U12) | 2024-08-09 | 2024-08-10 | Standard | Tshwane (GTP) | 5 | 5 | 1 | Yes | Analysis |
| 14 | Menlopark Open Chess Tournament 2024 (U12) | 2024-07-13 | 2024-07-13 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 15 | 2024 Elise Steenkamp Open Chess Tournament (Rooks) | 2024-06-15 | 2024-06-15 | Standard | Tshwane (GTP) | 5 | 5 | 1 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | Tournament2025 Tshwane South School District CLOSED League Championship | Tournament2025 Tshwane South School District CLOSED League Championship | ||||||
| date2025-08-15 | rnd2 | typeStandard | result1 | date2025-08-15 | rnd5 | typeStandard | result1 | ||
| OpponentDu Toit, J (Janri) | OpponentPosthumus, S (Shenique) | ||||||||
| 2 | 3 | TournamentMenlopark Open Chess Tournament 2024 | TournamentMenlopark Open Chess Tournament 2024 | ||||||
| date2024-07-13 | rnd3 | typeStandard | result1 | date2024-07-13 | rnd5 | typeStandard | result1 | ||
| OpponentTalma, C (Christiaan) | OpponentZou, Y (Yixuan) | ||||||||
| 3 | 2 | Tournament2025 Laerskool Doringkloof Primary Open Chess Tournament | Tournament2025 Laerskool Doringkloof Primary Open Chess Tournament | ||||||
| date2025-10-25 | rnd2 | typeStandard | result1 | date2025-10-25 | rnd3 | typeStandard | result1 | ||
| OpponentSihlangu, T (Thato) | OpponentVries, M (Mvelo) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | Tournament2025 Tshwane South School District CLOSED League Championship | Tournament2025 Tshwane South School District CLOSED League Championship | ||||||
| date2025-08-15 | rnd2 | typeStandard | result1 | date2025-08-15 | rnd5 | typeStandard | result1 | ||
| OpponentDu Toit, J (Janri) | OpponentPosthumus, S (Shenique) | ||||||||
| 2 | 3 | TournamentMenlopark Open Chess Tournament 2024 | TournamentMenlopark Open Chess Tournament 2024 | ||||||
| date2024-07-13 | rnd3 | typeStandard | result1 | date2024-07-13 | rnd5 | typeStandard | result1 | ||
| OpponentTalma, C (Christiaan) | OpponentZou, Y (Yixuan) | ||||||||
| 3 | 2 | Tournament2025 Alekhine Open | Tournament2025 Alekhine Open | ||||||
| date2025-09-07 | rnd4 | typeStandard | result1 | date2025-09-07 | rnd5 | typeStandard | result1 | ||
| OpponentBrink, J (Jayden) | OpponentRakgatlha, K (Karabo Kgobane) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | Tournament2025 Tshwane South School District CLOSED League Championship | Tournament2025 Tshwane South School District CLOSED League Championship | ||||||
| date2025-08-15 | rnd2 | typeStandard | result1 | date2025-08-15 | rnd5 | typeStandard | result1 | ||
| OpponentDu Toit, J (Janri) | OpponentPosthumus, S (Shenique) | ||||||||
| 2 | 3 | TournamentMenlopark Open Chess Tournament 2024 | TournamentMenlopark Open Chess Tournament 2024 | ||||||
| date2024-07-13 | rnd3 | typeStandard | result1 | date2024-07-13 | rnd5 | typeStandard | result1 | ||
| OpponentTalma, C (Christiaan) | OpponentZou, Y (Yixuan) | ||||||||
| 3 | 2 | Tournament2025 Alekhine Open | Tournament2025 Alekhine Open | ||||||
| date2025-09-07 | rnd4 | typeStandard | result1 | date2025-09-07 | rnd5 | typeStandard | result1 | ||
| OpponentBrink, J (Jayden) | OpponentRakgatlha, K (Karabo Kgobane) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | Tournament2025 Tshwane South School District CLOSED League Championship | Tournament2025 Tshwane South School District CLOSED League Championship | ||||||
| date2025-08-15 | rnd2 | typeStandard | result1 | date2025-08-15 | rnd5 | typeStandard | result1 | ||
| OpponentDu Toit, J (Janri) | OpponentPosthumus, S (Shenique) | ||||||||
| 2 | 3 | TournamentMenlopark Open Chess Tournament 2024 | TournamentMenlopark Open Chess Tournament 2024 | ||||||
| date2024-07-13 | rnd3 | typeStandard | result1 | date2024-07-13 | rnd5 | typeStandard | result1 | ||
| OpponentTalma, C (Christiaan) | OpponentZou, Y (Yixuan) | ||||||||
| 3 | 2 | Tournament2025 Alekhine Open | Tournament2025 Alekhine Open | ||||||
| date2025-09-07 | rnd4 | typeStandard | result1 | date2025-09-07 | rnd5 | typeStandard | result1 | ||
| OpponentBrink, J (Jayden) | OpponentRakgatlha, K (Karabo Kgobane) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
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 | Du Toit ,J (Janri) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1116.9 | 1116.9 | 1103.3 | 1116.9 | 0 | 0 | 0 | 0 | ||||||
| 2 | Allison ,S (Spencer) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1283.9 | 858.9 | 1283.8 | 858.9 | 0 | 0 | 0 | 0 | ||||||
| 3 | Nyambi ,M (Mbali) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1241.3 | 1666.3 | 1234.2 | 1666.3 | 0 | 0 | 0 | 0 | ||||||
| 4 | Viljoen ,T (Tyron) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1040.9 | 615.9 | 1032.4 | 615.9 | 0 | 0 | 0 | 0 | ||||||
| 5 | Kgame ,O (Onalenna Itumeleng) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1377.8 | 952.8 | 1369.6 | 952.8 | 0 | 0 | 0 | 0 | ||||||
| 6 | Fihla ,LL (Lonwabo Luvuyo) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1705.3 | 1280.3 | 1740.8 | 1280.3 | 0 | 0 | 0 | 0 | ||||||
| 7 | Selibi ,L (Lesedi) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 8 | Nyaphuli ,R (Reneiloe) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1196.2 | 1621.2 | 1195.4 | 1621.2 | 0 | 0 | 0 | 0 | ||||||
| 9 | Masina ,S (S'fisokuhle) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 10 | MALULEKE ,P (PENYO) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1262.3 | 837.3 | 1269 | 837.3 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|