PLAYER PAGE
Chengyan Ma
108076744Cape Town (WCT)Personal
Main rating
| Rating | 1097.2 |
| K-factor | 40 |
| Floor | 597.2 |
| Highest | 1200 (2024-11-01) |
| Min/Max +/- allowed | 166 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 687.7 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1097.2 |
| K-factor | 40 |
| Floor | 597.2 |
| Highest | 1200 (2024-11-01) |
| Min/Max +/- allowed | 165.8 |
Standard rating
| Rating | 1042 |
| K-factor | 40 |
| Floor | 542 |
| Highest | 1200 (2024-11-01) |
| 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 | 1042 |
| K-factor | 40 |
| Floor | 542 |
| Highest | 1200 (2024-11-01) |
| Min/Max +/- allowed | 165.8 |
Rapid rating
| Rating | 1073.6 |
| K-factor | 40 |
| Floor | 573.6 |
| Highest | 1270.1 (2019-02-01) |
| Min/Max +/- allowed | 150.1 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1073.6 |
| K-factor | 40 |
| Floor | 573.6 |
| Highest | 1270.1 (2019-02-01) |
| Min/Max +/- allowed | 150.1 |
Blitz rating
| Rating | 811.6 |
| K-factor | 40 |
| Floor | 500 |
| Highest | 1200 (2024-02-01) |
| 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 | 811.6 |
| K-factor | 40 |
| Floor | 500 |
| Highest | 1200 (2024-02-01) |
| Min/Max +/- allowed | 165.8 |
Rating Graph
Tournaments
| # | 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 | Cape Town Metro North Top Schools 2025 (U19) | Standard | 2025-08-01 | 2025-08-02 | Cape Town (WCT) | 5 | 1031.3 | 5 | 3 | 1364.2 | 0 | Details |
| 2 | North District School Trials 2024 (U18 Boys) | Standard | 2024-02-03 | 2024-02-03 | Cape Town (WCT) | 5 | 1017.7 | 3 | 1 | 1164.7 | 0 | Details |
| 3 | 2020 Welgemoed Chess Challenge (U14) | Rapid | 2020-02-29 | 2020-02-29 | Cape Town (WCT) | 5 | 967.8 | 5 | 3 | 1383.9 | 0 | Details |
| 4 | Welgemoed Chess Challenge 2019 (U12) | Rapid | 2019-02-23 | 2019-02-23 | Cape Town (WCT) | 5 | 904.7 | 5 | 4 | 1380.5 | 0 | Details |
| 5 | Welgemoed Chess Challenge 2018 (U12) | Rapid | 2018-02-24 | 2018-02-24 | Cape Town (WCT) | 5 | 848.8 | 5 | 4 | 1252 | 0 | Details |
| 6 | South African Junior Team Championships 2017 (U10B) | Classical | 2018-01-04 | 2018-01-08 | 4 Knights (4K) | 7 | 811.6 | 7 | 5 | 930.2 | 0 | Details |
| 7 | Western Cape Top Schools 2017 (U7+U9 Mix) | Standard | 2017-08-26 | 2017-08-27 | Western Cape (WC) | 5 | 818 | 5 | 3 | 776 | 0 | Details |
| 8 | Welgemoed Chess Challenge 2017 (U10) | Rapid | 2017-02-25 | 2017-02-25 | Western Province (WP) | 5 | 822 | 5 | 4 | 792 | 0 | Details |
| 9 | South African Junior Team Championships 2016 (U10 B) | Classical | 2016-12-16 | 2016-12-19 | Tshwane (GTP) | 7 | 0 | 7 | 7 | 1263 | 0 | Details |
| 10 | Welgemoed Chess Challenge 2016 (U 10 2007+) | Rapid | 2016-02-27 | 2016-02-27 | Western Province (WP) | 5 | 0 | 5 | 3 | 709 | 0 | 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 | 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 (History)
| Games | 30 |
| Wins | 19 |
| Draws | 2 |
| Losses | 9 |
| White | 17 |
| Black | 13 |
| White wins | 12 |
| Black wins | 7 |
| Score | 20 |
| Percent | 66.7 |
| Dp | 141.7 |
| AOR | 1088.6 |
| Performance | 1230.3 |
Rankings (Main)
| 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 (Standard)
| 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 (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 | 0 |
| Score | 0 |
| Percent | 0 |
| Aor | 0 |
| Dp | 0 |
| Prat | 0 |
Performance (12 months)
| Games | 5 |
| Score | 3 |
| Percent | 60 |
| Aor | 1279.2 |
| Dp | 85 |
| Prat | 1364.2 |
Performance (History)
| Games | 30 |
| Score | 20 |
| Percent | 66.7 |
| Aor | 1088.6 |
| Dp | 141.7 |
| Prat | 1230.3 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |