PLAYER PAGE

Personal

Li, Z (Zhengfei)

Chess SA id

1090099818

FIDE id

?

Date of birth

2009-11-01 (U18)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

No

Last active game

2025-07-19

Personal details last changed

1900-01-01

Junior GPX Games

58.7

Junior GPX Points

1717

Item Main Standard Rapid Blitz
Rating 1837.7 1839.5 1512.1 1548.8
Raw rating 1837.7 1839.5 1512.1 1548.8
Weighted rating 1791.6 1800.9 1438.2 1435.3
Weighted performance 1761.7 1784.5 0 0
Floor 1345.2 1343.7 1012.1 1048.8
K-factor 24 24 32 32
Min/Max rating change allowed 66.8 66.7 106.3 100.9
Highest rating 1845.2
2025-05-05
1843.7
2025-05-05
1611.9
2023-10-01
1548.8
2025-08-01
Highest raw rating 1845.2
2025-05-05
1843.7
2025-05-05
1512.1
2025-05-05
1548.8
2025-08-01
Highest weighted rating 1777.3
2025-08-01
1786.8
2025-08-01
1419.1
2025-08-01
1408.6
2025-08-01
Highest weighted performance 1820.8
2024-09-01
1841.7
2024-09-01
1611.9
2023-10-01
1526.8
2022-12-01

Prediction
Item Main Standard Rapid Blitz
Rating change 0 0 0 0
New rating 1837.7 1839.5 1512.1 1548.8
Analysis
Rating 1837.7 1839.5 1512.1 1548.8
Raw rating 1837.7 1839.5 1512.1 1548.8
Weighted rating 1791.6 1800.9 1438.2
Weighted performance 1761.7 1784.5 0
K-factor 24 24 32 32
Floor 1345.2 1343.7 1012.1 1048.8
Max/Min rating change allowed 66.8 66.7 106.3 100.9
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 1837.7 1839.5 1512.1 1548.8
New weighted rating 1798.2 1807.2 1446.8 1447.5
New weighted performance 1761.1 1783.8 0 0
Temp new rating 1837.7 1839.5 1512.1 1548.8
Temp new rating +/- 0 0 0 0
Final new rating +/- 0 0 0 0
New rating 1837.7 1839.5 1512.1 1548.8
New K-factor 24 24 32 32
New floor 1345.2 1343.7 1012.1 1048.8

Item Main Standard Rapid Blitz
0 0 0 0
65 36 11 18
56 42 5 9
25 20 5 0
56 44 5 7
0 0 0 0
History 212 152 26 34

Games since
Main
137
Standard
89
Rapid
21
Blitz
27
Gender Male
Age group U18
Region Johannesburg Metro (GJM)
Province Gauteng (GT)
Main
RSA Province Region
Overall 123 53 24
Male 119 52 23
U18 12 7 2
U18 Male 12 7 2
Standard
RSA Province Region
Overall 118 49 20
Male 113 48 19
U18 12 7 2
U18 Male 12 7 2
Rapid
RSA Province Region
Overall 200 43 27
Male 187 39 24
U18 17 3 2
U18 Male 17 3 2
Blitz
RSA Province Region
Overall 125 43 23
Male 120 41 22
U18 8 4 3
U18 Male 8 4 3

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 65 34.5 53.08 26.2 1856.5 1882.6
Standard 36 20 55.56 47.2 1796.6 1843.9
Rapid 11 4.5 40.91 -77.3 1898.6 1821.3
Blitz 18 10 55.56 47.2 1950.3 1997.6
History
Games Score % Dp AvgOpp Performance
Main 212 143.5 67.69 150.4 1592.7 1743.1
Standard 152 103.5 68.09 153.8 1550.4 1704.1
Rapid 26 17.5 67.31 147.1 1630.5 1777.7
Blitz 34 22.5 66.18 137.5 1753.2 1890.7

Date Main Standard Rapid Blitz
2025-09-30 1837.7 1839.5 1512.1 1548.8
2025-09-01 1837.7 1839.5 1512.1 1548.8
2025-08-01 1837.7 1839.5 1512.1 1548.8
2025-07-01 1839.5 1841.7 1512.1 1501.6
2025-06-01 1839.5 1841.7 1512.1 1501.6
2025-05-01 1845.2 1843.7 1512.1 1501.6
2025-04-01 1806.1 1828.2 1400.8 1371.8
2025-03-01 1806.1 1828.2 1400.8 1371.8
2025-02-01 1806.1 1828.2 1400.8 1371.8
2025-01-01 1806.1 1828.2 1400.8 1371.8
2024-12-01 1773.7 1814.3 1400.8 1371.8
2024-11-01 1773.7 1814.3 1400.8 1371.8
2024-10-01 1779 1822.5 1400.8 1371.8
2024-09-01 1721.5 1720.4 1400.8 1371.8
2024-08-01 1693.3 1691.8 1343.9 1371.8
2024-07-01 1692.1 1685.6 1343.9 1371.8
2024-06-01 1692.1 1685.6 1343.9 1371.8
2024-08-01 1692.1 1685.6 1343.9 1371.8
2024-04-01 1682.8 1670.8 1343.9 1371.8
2024-03-01 1683.9 1670.8 1343.9 1308.8
2024-02-01 1683.9 1670.8 1343.9 1308.8
2024-01-01 1672.3 1654.6 1343.9 1308.8
2023-12-01 1672.3 1654.6 1343.9 1308.8
2023-11-01 1672.3 1654.6 1343.9 1308.8

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 Wynie Robbertse Chess Tournament (A) 2025-07-19 2025-07-19 Standard Tshwane (GTP) 5 5 3 Yes Analysis
2 South African Open 2025 (Championship) 2025-06-28 2025-07-05 Standard Johannesburg Metro (GJM) 11 10 4 Yes Analysis
3 South African Open 2025 (Blitz) 2025-07-02 2025-07-02 Blitz Johannesburg Metro (GJM) 9 8 5 Yes Analysis
4 Ekurhuleni Trials 2025 (A) 2025-05-24 2025-05-24 Standard Ekurhuleni (GE) 5 5 2.5 Yes Analysis
5 2025 KZN Open (A) 2025-05-02 2025-05-04 Standard Ethekwini (KED) 7 7 4.5 Yes Analysis
6 FIDE World Cadet & Youth Rapid & Blitz Championships 2025 (Blitz) 2025-04-16 2025-04-17 Blitz Geece (GRE) 11 10 5 Yes Analysis
7 FIDE World Cadet & Youth Rapid & Blitz Championships 2025 (Rapid) 2025-04-13 2025-04-15 Rapid Greece (GRE) 11 11 4.5 Yes Analysis
8 South African Junior Closed Chess Championships 2025 (U16 Open) 2025-03-31 2025-04-05 Standard Cape Winelands (WCW) 9 9 6 Yes Analysis
Last 500 tournaments since 01 January 2018
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
1 2025 Wynie Robbertse Chess Tournament (A) 2025-07-19 2025-07-19 Standard Tshwane (GTP) 5 5 3 Yes Analysis
2 South African Open 2025 (Championship) 2025-06-28 2025-07-05 Standard Johannesburg Metro (GJM) 11 10 4 Yes Analysis
3 South African Open 2025 (Blitz) 2025-07-02 2025-07-02 Blitz Johannesburg Metro (GJM) 9 8 5 Yes Analysis
4 Ekurhuleni Trials 2025 (A) 2025-05-24 2025-05-24 Standard Ekurhuleni (GE) 5 5 2.5 Yes Analysis
5 2025 KZN Open (A) 2025-05-02 2025-05-04 Standard Ethekwini (KED) 7 7 4.5 Yes Analysis
6 FIDE World Cadet & Youth Rapid & Blitz Championships 2025 (Blitz) 2025-04-16 2025-04-17 Blitz Geece (GRE) 11 10 5 Yes Analysis
7 FIDE World Cadet & Youth Rapid & Blitz Championships 2025 (Rapid) 2025-04-13 2025-04-15 Rapid Greece (GRE) 11 11 4.5 Yes Analysis
8 South African Junior Closed Chess Championships 2025 (U16 Open) 2025-03-31 2025-04-05 Standard Cape Winelands (WCW) 9 9 6 Yes Analysis
9 Mzansi Interprovincial Youth Chess Championships 2024 (U16 Open Championship) 2024-12-16 2024-12-19 Standard Capricorn (LCP) 7 7 6.5 Yes Analysis
10 Mzansi Interprovincial Youth Chess Championships 2024 (U16 Open Combined) 2024-12-16 2024-12-19 Standard Capricorn (LCP) 7 0 0 No Analysis
11 Gauteng Inter-Region at UJ 2024 (U16 Open) 2024-12-07 2024-12-08 Standard Johannesburg Metro (GJM) 5 5 3.5 Yes Analysis
12 2024 Gauteng North Open Chess Tournament (A) 2024-10-05 2024-10-06 Standard Tshwane (GTP) 5 5 3 Yes Analysis
13 Knight Riders Spring Chess Tournament 2024 (A) 2024-09-28 2024-09-28 Standard Johannesburg Metro (GJM) 5 5 5 Yes Analysis
14 CPH King David Linksfield Aug Rapid 2024 (A) 2024-08-18 2024-08-18 Rapid Johannesburg Metro (GJM) 5 5 4.5 Yes Analysis
15 JMC Closed 2024 (A) 2024-08-09 2024-08-11 Standard Johannesburg Metro (GJM) 5 5 2.5 Yes Analysis
16 JMC Trinityhouse Randpark Ridge 2024 (A) 2024-07-13 2024-07-13 Standard Johannesburg Metro (GJM) 5 5 2 Yes Analysis
17 2024 KSNG CHess Academy Open Tournament (A) 2024-04-06 2024-04-06 Standard Tshwane (GTP) 5 5 3 Yes Analysis
18 Wanderers Blitz Tournament 2024 2024-03-23 2024-03-23 Blitz Johannesburg Metro (GJM) 9 9 5.5 Yes Analysis
19 2024 Gauteng Inter-Region Chess Championship (U16A) 2024-01-13 2024-01-14 Standard Tshwane (GTP) 5 5 4 Yes Analysis
20 World Youth Chess Championship 2023 2023-11-13 2023-11-24 Standard FIDE (FID) 11 11 4.5 Yes Analysis
21 Mzansi Bryanston Rapid 2023 (Advanced) 2023-10-07 2023-10-07 Rapid Johannesburg Metro (GJM) 5 5 4 Yes Analysis
22 2023 South African Junior Closed Chess Championships (U14 Open) 2023-03-31 2023-04-04 Standard Chess South Africa (CSA) 9 9 8 Yes Analysis
23 2022 South African Junior Team Chess Championships (U14 Open) 2022-12-04 2022-12-08 Standard 4 Knights (4K) 7 7 5 Yes Analysis
24 2022 South Africa Junior Blitz Chess Championships (U14) 2022-12-05 2022-12-05 Blitz 4 Knights (4K) 7 7 7 Yes Analysis
25 Mzansi Spring Open 2022 (Advanced) 2022-09-03 2022-09-03 Standard Johannesburg Metro (GJM) 5 5 4 Yes Analysis
26 JMC 3rd Trials 2022 (B) 2022-09-11 2022-09-11 Standard Johannesburg Metro (GJM) 5 5 5 Yes Analysis
27 JMC Womens Day 2022 (FIDE Open) 2022-08-06 2022-08-09 Standard Johannesburg Metro (GJM) 6 6 2 Yes Analysis
28 JMC 2nd Trials 2022 (B) 2022-08-27 2022-08-27 Standard Johannesburg Metro (GJM) 5 5 3.5 Yes Analysis
29 JNW Helpmekaar 2022 (Rookies) 2022-07-09 2022-07-09 Standard Johannesburg Metro (GJM) 5 5 5 Yes Analysis
30 JMC Trials 1 - Laerskool Fontainebleau 2022 (U14) 2022-07-24 2022-07-24 Standard Johannesburg Metro (GJM) 5 5 4 Yes Analysis
31 Chess Power House Rapid 2022 (B) 2022-06-11 2022-06-11 Rapid Johannesburg Metro (GJM) 5 5 4.5 Yes Analysis
32 Mzansi Open 2022 (Young Masters) 2022-04-30 2022-05-01 Standard Johannesburg Metro (GJM) 6 6 5 Yes Analysis
33 2018 Capablanca Swiss (D) 2018-04-27 2018-04-27 Standard Tshwane (GTP) 5 5 4 Yes Analysis
34 2018 Crawford Open (E) 2018-03-24 2018-03-24 Standard Tshwane (GTP) 5 5 4 Yes Analysis

Top 3 Streaks

# Games Start End
1 19 Tournament
2018 Capablanca Swiss
Tournament
JMC Trials 1 - Laerskool Fontainebleau 2022
date
2018-04-27
rnd
5
type
Standard
result
1
date
2022-07-24
rnd
2
type
Standard
result
1
Opponent
Smith, LM (Luhane)
Opponent
Naicker, GC (Gabriel Christian)
2 14 Tournament
JMC Closed 2024
Tournament
2024 Gauteng North Open Chess Tournament
date
2024-08-10
rnd
3
type
Standard
result
1
date
2024-10-05
rnd
1
type
Standard
result
1
Opponent
Chikwava, R (Ronald)
Opponent
Scholtz, R (Rohanm)
3 13 Tournament
Gauteng Inter-Region at UJ 2024
Tournament
South African Junior Closed Chess Championships 2025
date
2024-12-08
rnd
4
type
Standard
result
1
date
2025-04-01
rnd
4
type
Standard
result
0.5
Opponent
Badenhorst, JJ (Junaid Jaydon)
Opponent
Felix, R (Raphael)
# Games Start End
1 14 Tournament
2018 Capablanca Swiss
Tournament
JMC Trials 1 - Laerskool Fontainebleau 2022
date
2018-04-27
rnd
5
type
Standard
result
1
date
2022-07-24
rnd
2
type
Standard
result
1
Opponent
Smith, LM (Luhane)
Opponent
Naicker, GC (Gabriel Christian)
2 13 Tournament
Gauteng Inter-Region at UJ 2024
Tournament
South African Junior Closed Chess Championships 2025
date
2024-12-08
rnd
4
type
Standard
result
1
date
2025-04-01
rnd
4
type
Standard
result
0.5
Opponent
Badenhorst, JJ (Junaid Jaydon)
Opponent
Felix, R (Raphael)
3 9 Tournament
JMC Closed 2024
Tournament
2024 Gauteng North Open Chess Tournament
date
2024-08-10
rnd
3
type
Standard
result
1
date
2024-10-05
rnd
1
type
Standard
result
1
Opponent
Chikwava, R (Ronald)
Opponent
Scholtz, R (Rohanm)
# Games Start End
1 8 Tournament
Chess Power House Rapid 2022
Tournament
Mzansi Bryanston Rapid 2023
date
2022-06-11
rnd
1
type
Rapid
result
1
date
2023-10-07
rnd
3
type
Rapid
result
1
Opponent
Mazhande, M (Maita)
Opponent
Thorulsley, K (Kairaav)
2 6 Tournament
Mzansi Bryanston Rapid 2023
Tournament
CPH King David Linksfield Aug Rapid 2024
date
2023-10-07
rnd
5
type
Rapid
result
1
date
2024-08-18
rnd
5
type
Rapid
result
0.5
Opponent
Manaka, L (Lethabo)
Opponent
Greenblatt, N (Noah M)
3 3 Tournament
FIDE World Cadet & Youth Rapid & Blitz Championships 2025
Tournament
FIDE World Cadet & Youth Rapid & Blitz Championships 2025
date
2025-04-15
rnd
9
type
Rapid
result
1
date
2025-04-15
rnd
11
type
Rapid
result
0.5
Opponent
Gabsi, Ahmed Rayen
Opponent
Chorosinski, Daniel
# Games Start End
1 8 Tournament
2022 South Africa Junior Blitz Chess Championships
Tournament
Wanderers Blitz Tournament 2024
date
2022-12-05
rnd
1
type
Blitz
result
1
date
2024-03-23
rnd
1
type
Blitz
result
1
Opponent
Strydom, L (Leyan)
Opponent
Cawthorn, W (William)
2 3 Tournament
FIDE World Cadet & Youth Rapid & Blitz Championships 2025
Tournament
FIDE World Cadet & Youth Rapid & Blitz Championships 2025
date
2025-04-16
rnd
6
type
Blitz
result
1
date
2025-04-17
rnd
8
type
Blitz
result
1
Opponent
Abdallah, Mohamed Khalil
Opponent
Wimmer, Michael
3 2 Tournament
South African Open 2025
Tournament
South African Open 2025
date
2025-07-02
rnd
2
type
Blitz
result
1
date
2025-07-02
rnd
3
type
Blitz
result
1
Opponent
Budhram, K (Kaylee)
Opponent
Machet, J (Jordan)
# Games Start End
1 11 Tournament
2022 South Africa Junior Blitz Chess Championships
Tournament
2022 South African Junior Team Chess Championships
date
2022-12-05
rnd
1
type
Blitz
result
1
date
2022-12-07
rnd
6
type
Standard
result
1
Opponent
Strydom, L (Leyan)
Opponent
Chang, S (Samuel)
2 9 Tournament
Mzansi Spring Open 2022
Tournament
2022 South African Junior Team Chess Championships
date
2022-09-03
rnd
3
type
Standard
result
1
date
2022-12-04
rnd
1
type
Standard
result
1
Opponent
Thorulsley, K (Kairaav)
Opponent
De Villiers, H (Hj)
3 7 Tournament
Mzansi Interprovincial Youth Chess Championships 2024
Tournament
South African Junior Closed Chess Championships 2025
date
2024-12-17
rnd
4
type
Standard
result
1
date
2025-04-01
rnd
3
type
Standard
result
1
Opponent
Solomon, I (Izaiah)
Opponent
Songo, D (Divine)
# Games Start End
1 9 Tournament
Mzansi Spring Open 2022
Tournament
2022 South African Junior Team Chess Championships
date
2022-09-03
rnd
3
type
Standard
result
1
date
2022-12-04
rnd
1
type
Standard
result
1
Opponent
Thorulsley, K (Kairaav)
Opponent
De Villiers, H (Hj)
2 7 Tournament
Mzansi Interprovincial Youth Chess Championships 2024
Tournament
South African Junior Closed Chess Championships 2025
date
2024-12-17
rnd
4
type
Standard
result
1
date
2025-04-01
rnd
3
type
Standard
result
1
Opponent
Solomon, I (Izaiah)
Opponent
Songo, D (Divine)
3 7 Tournament
JNW Helpmekaar 2022
Tournament
JMC Trials 1 - Laerskool Fontainebleau 2022
date
2022-07-09
rnd
1
type
Standard
result
1
date
2022-07-24
rnd
2
type
Standard
result
1
Opponent
Bloem, S (Savanna)
Opponent
Naicker, GC (Gabriel Christian)
# Games Start End
1 5 Tournament
Mzansi Bryanston Rapid 2023
Tournament
CPH King David Linksfield Aug Rapid 2024
date
2023-10-07
rnd
5
type
Rapid
result
1
date
2024-08-18
rnd
4
type
Rapid
result
1
Opponent
Manaka, L (Lethabo)
Opponent
Weng, Y (Yu Bo (David))
2 4 Tournament
Chess Power House Rapid 2022
Tournament
Chess Power House Rapid 2022
date
2022-06-11
rnd
1
type
Rapid
result
1
date
2022-06-11
rnd
4
type
Rapid
result
1
Opponent
Mazhande, M (Maita)
Opponent
Kingsbury, J (Jack)
3 3 Tournament
Mzansi Bryanston Rapid 2023
Tournament
Mzansi Bryanston Rapid 2023
date
2023-10-07
rnd
1
type
Rapid
result
1
date
2023-10-07
rnd
3
type
Rapid
result
1
Opponent
Gupta, A (Akul)
Opponent
Thorulsley, K (Kairaav)
# Games Start End
1 8 Tournament
2022 South Africa Junior Blitz Chess Championships
Tournament
Wanderers Blitz Tournament 2024
date
2022-12-05
rnd
1
type
Blitz
result
1
date
2024-03-23
rnd
1
type
Blitz
result
1
Opponent
Strydom, L (Leyan)
Opponent
Cawthorn, W (William)
2 3 Tournament
FIDE World Cadet & Youth Rapid & Blitz Championships 2025
Tournament
FIDE World Cadet & Youth Rapid & Blitz Championships 2025
date
2025-04-16
rnd
6
type
Blitz
result
1
date
2025-04-17
rnd
8
type
Blitz
result
1
Opponent
Abdallah, Mohamed Khalil
Opponent
Wimmer, Michael
3 2 Tournament
South African Open 2025
Tournament
South African Open 2025
date
2025-07-02
rnd
2
type
Blitz
result
1
date
2025-07-02
rnd
3
type
Blitz
result
1
Opponent
Budhram, K (Kaylee)
Opponent
Machet, J (Jordan)

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 Weng ,Y (Yu Bo (David)) 7 6 303.6 5 4 255 1 1 425 1 1 425
1601.9 1905.5 1613.6 1856.9 1339 2026.9 1200 2026.9
2 Sathish ,A (Abinavah) 4 1.5 -106.2 3 0.5 -283.3 0 0 0 1 1 425
1716.4 1610.2 1723.6 1433.1 0 0 1443.2 2141.4
3 Naidoo ,K (Kajol) 3 3 425 3 3 425 0 0 0 0 0 0
1514.6 1939.6 1519.9 1939.6 0 0 0 0
4 Naicker ,GC (Gabriel Christian) 3 3 425 3 3 425 0 0 0 0 0 0
1377.2 1802.2 1365.4 1802.2 0 0 0 0
5 Naidoo ,K (Kirthan) 3 1.5 0 2 1 0 1 0.5 0 0 0 0
1564.2 1564.2 1610.5 1564.2 622.8 1564.2 0 0
6 Byliefeldt ,L (Leroux) 3 3 425 2 2 425 0 0 0 1 1 425
1572.7 1997.7 1576.7 1997.7 0 0 916.2 1997.7
7 Xulu ,L (Lindokuhle) 3 0 -425 2 0 -425 0 0 0 1 0 -425
2032.3 1607.3 2071.5 1607.3 0 0 1982.2 1607.3
8 Yang ,A (Alex) 2 2 425 2 2 425 0 0 0 0 0 0
1623.5 2048.5 1621.9 2048.5 0 0 0 0
9 Chikwava ,R (Ronald) 2 2 425 2 2 425 0 0 0 0 0 0
1669.2 2094.2 1673.1 2094.2 0 0 0 0
10 Jacobs ,CN (Calvin Nicholas) 2 0.5 -212.5 2 0.5 -212.5 0 0 0 0 0 0
1860.2 1647.7 1879.1 1647.7 0 0 0 0

Norms

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