PLAYER PAGE
Qi Weng
1090143830Mangaung (FMB)Personal
Main rating
| Rating | 1599.9 |
| K-factor | 32 |
| Floor | 1099.9 |
| Highest | 1599.9 (2026-09-01) |
| Min/Max +/- allowed | 94 |
| Rating Change () | |
| Games | 5 |
| Score | 1.5 |
| We | 2.32 |
| SWe | -0.69 |
| Temp +/- | -22 |
| Penalties | 0 |
| Weight perform | 1540.2 |
| Final +/- | -22 |
| New Rating () | |
| Rating | 1577.8 |
| K-factor | 32 |
| Floor | 1099.9 |
| Highest | 1599.9 (2026-09-01) |
| Min/Max +/- allowed | 93.8 |
Standard rating
| Rating | 1592 |
| K-factor | 32 |
| Floor | 1092 |
| Highest | 1592 (2026-08-01) |
| Min/Max +/- allowed | 94.9 |
| Rating Change () | |
| Games | 5 |
| Score | 1.5 |
| We | 2.25 |
| SWe | -0.75 |
| Temp +/- | -23.9 |
| Penalties | 0 |
| Weight perform | 1530 |
| Final +/- | -23.9 |
| New Rating () | |
| Rating | 1568.1 |
| K-factor | 32 |
| Floor | 1092 |
| Highest | 1592 (2026-08-01) |
| Min/Max +/- allowed | 94.9 |
Rapid rating
| Rating | 1449.6 |
| K-factor | 32 |
| Floor | 1032.9 |
| Highest | 1549.3 (2023-10-01) |
| Min/Max +/- allowed | 100.8 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1308.9 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1449.6 |
| K-factor | 32 |
| Floor | 1032.9 |
| Highest | 1549.3 (2023-10-01) |
| Min/Max +/- allowed | 100.8 |
Blitz rating
| Rating | 1194.4 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2018-10-01) |
| 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 | 1194.4 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2018-10-01) |
| Min/Max +/- allowed | 165.8 |
Rating Graph
Tournaments
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | 12th Piet van Zyl Chess Festival 2026 (A) | Standard | 2026-10-09 | 2026-10-10 | Mangaung (FMB) | 5 | 1599.9 | 5 | 1.5 | 1453.7 | -22 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Bloemfontein Highschools Chess Teams 2026 (Grade 11-12) | Rapid | 2026-08-15 | 2026-08-15 | Mangaung (FMB) | 4 | 1599.9 | 3 | 2 | 1694.7 | 7.8 | Details |
| 2 | Free State Closed 2026 (U18) | Standard | 2026-07-25 | 2026-07-25 | Mangaung (FMB) | 5 | 1555.1 | 5 | 4 | 1703.7 | 22.3 | Details |
| 3 | Inter Regional Chess Championship 2026 (Team U18) | Standard | 2026-05-22 | 2026-05-23 | Mangaung (FMB) | 5 | 1521.8 | 5 | 4 | 1635.2 | 19.3 | Details |
| 4 | Mangaung Metro Chess 8-9 May 2026 (A) | Standard | 2026-05-08 | 2026-05-09 | Mangaung (FMB) | 5 | 1521.8 | 5 | 2.5 | 1532.6 | 2.8 | Details |
| 5 | Mangaung Metro Chess 10-11 April 2026 (A) | Standard | 2026-04-10 | 2026-04-11 | Mangaung (FMB) | 5 | 1516.6 | 5 | 2.5 | 1557.4 | 5.1 | Details |
| 6 | Mangaung Metro Chess 13-14 March 2026 (A) | Standard | 2026-03-14 | 2026-03-14 | Mangaung (FMB) | 5 | 1520.1 | 5 | 2.5 | 1509.2 | -3.4 | Details |
| 7 | 2025 Mzansi Inter Provincial Team Championships (U18 Open) | Standard | 2025-12-15 | 2025-12-17 | Nelson Mandela Bay (ENM) | 6 | 1503.7 | 6 | 3 | 1591.4 | 10.1 | Details |
| 8 | 11th Piet van Zyl Chess Festival 2025 (A) | Standard | 2025-10-10 | 2025-10-11 | Mangaung (FMB) | 5 | 1525.9 | 5 | 1.5 | 1378.7 | -13.9 | Details |
| 9 | Free State Closed 2025 (U18 Open) | Standard | 2025-08-14 | 2025-08-15 | Mangaung (FMB) | 5 | 1519.7 | 5 | 3.5 | 1560.7 | 3.9 | Details |
| 10 | Smart Chess Blitz 2025 (Elite) | Blitz | 2025-07-19 | 2025-07-19 | Mangaung (FMB) | 9 | 1523 | 9 | 3 | 1465.8 | -2.1 | Details |
| 11 | Spartan Bishops Championships Elite 2025 (U18) | Standard | 2025-05-23 | 2025-05-25 | Frances Baard (NCF) | 5 | 1505.3 | 5 | 3.5 | 1580.2 | 6.7 | Details |
| 12 | Mangaung Metro Chess 7-8 March 2025 (A) | Standard | 2025-03-07 | 2025-03-08 | Mangaung (FMB) | 5 | 1459.7 | 4 | 2.5 | 1626.5 | 13.1 | Details |
| 13 | Grey College Team Championship 2025 (B) | Standard | 2025-02-21 | 2025-02-22 | Mangaung (FMB) | 5 | 1439.9 | 5 | 4 | 1528.6 | 9.6 | Details |
| 14 | Mangaung Metro Chess 7-8 February 2025 (A) | Standard | 2025-02-07 | 2025-02-08 | Mangaung (FMB) | 5 | 1439.9 | 5 | 3 | 1449.7 | 0.3 | Details |
| 15 | Mangaung Metro Chess 25 January 2025 (A) | Rapid | 2025-01-25 | 2025-01-25 | Mangaung (FMB) | 5 | 1412.6 | 5 | 3.5 | 1572.2 | 11.3 | Details |
| 16 | Mzansi Interprovincial Youth Chess Championships 2024 (U16 Open Championship) | Classical | 2024-12-16 | 2024-12-19 | Capricorn (LCP) | 7 | 1437.6 | 7 | 3.5 | 1335 | -15.8 | Details |
| 17 | Mangaung Metro Chess 11-12 October 2024 (A) | Standard | 2024-10-11 | 2024-10-12 | Mangaung (FMB) | 5 | 1413.7 | 5 | 3 | 1557.7 | 15 | Details |
| 18 | Smart Chess Blitz 2024 (A) | Blitz | 2024-09-07 | 2024-09-07 | Mangaung (FMB) | 7 | 1416.8 | 7 | 3 | 1347.4 | -1.9 | Details |
| 19 | Mangaung Metro Chess 16-17 August 2024 (A) | Standard | 2024-08-16 | 2024-08-17 | Mangaung (FMB) | 5 | 1452.3 | 5 | 3 | 1347.4 | -11.1 | Details |
| 20 | Bloemfontein Highschool League 02 Aug 2024 (U19A) | Rapid | 2024-08-02 | 2024-08-02 | Mangaung (FMB) | 5 | 1452.3 | 5 | 3 | 1444.5 | -0.6 | Details |
| 21 | Mangaung Metro Chess 3 August 2024 (A) | Rapid | 2024-08-03 | 2024-08-03 | Mangaung (FMB) | 5 | 1452.3 | 5 | 1.5 | 1302.4 | -10.4 | Details |
| 22 | 10th Piet van Zyl Chess Festival 2024 (A+B) | Standard | 2024-05-24 | 2024-05-25 | Mangaung (FMB) | 5 | 1414.3 | 4 | 2 | 1585.7 | 12.9 | Details |
| 23 | Spartan Bishops Chess Championships 2024 (Bishops) | Standard | 2024-05-04 | 2024-05-05 | Bojanala Platina (NBR) | 5 | 1414.3 | 5 | 3 | 1518.1 | 10.8 | Details |
| 24 | Mangaung Metro Chess 12-13 April 2024 (A) | Standard | 2024-04-12 | 2024-04-13 | Mangaung (FMB) | 5 | 1446 | 5 | 2 | 1252.5 | -19.8 | Details |
| 25 | Mangaung Metro Chess 9 March 2024 (A) | Rapid | 2024-03-09 | 2024-03-09 | Mangaung (FMB) | 5 | 1480.9 | 5 | 2 | 1192.2 | -21.7 | Details |
| 26 | Mangaung Metro Chess 10 February 2024 (B) | Rapid | 2024-02-10 | 2024-02-10 | Mangaung (FMB) | 5 | 1482.9 | 5 | 4 | 1463.1 | -1.4 | Details |
| 27 | Kings & Queens Chess 27 January 2024 (B) | Rapid | 2024-01-27 | 2024-01-27 | Mangaung (FMB) | 5 | 1464.1 | 5 | 4 | 1528.1 | 5.4 | Details |
| 28 | Bloemfontein High School League Tournament 26 January 2024 (U15B+U17B) | Rapid | 2024-01-26 | 2024-01-26 | Mangaung (FMB) | 5 | 1464.1 | 5 | 5 | 1592.9 | 6.3 | Details |
| 29 | Bloemfontein HS League 13 October 2023 (U13+U15) | Rapid | 2023-10-13 | 2023-10-13 | Mangaung (FMB) | 5 | 1440.8 | 5 | 5 | 1637.2 | 8.8 | Details |
| 30 | Heidedal Chess 14 October 2023 (B) | Rapid | 2023-10-14 | 2023-10-14 | Mangaung (FMB) | 5 | 1440.8 | 5 | 4 | 1481 | 2.6 | Details |
| 31 | Bloemfontein HS League 27 October 2023 (U13-U17) | Rapid | 2023-10-27 | 2023-10-27 | Cape Winelands (WCW) | 5 | 1440.8 | 5 | 4 | 1502.5 | 3.3 | Details |
| 32 | St Andrews 19 August 2023 (B) | Rapid | 2023-08-19 | 2023-08-19 | Mangaung (FMB) | 5 | 1419.6 | 5 | 4 | 1462.9 | 3.9 | Details |
| 33 | Bloemfontein League 25 August 2023 (U13+U15) | Rapid | 2023-08-25 | 2023-08-25 | Mangaung (FMB) | 5 | 1419.6 | 5 | 5 | 1623.8 | 9.1 | Details |
| 34 | Morris Club Championship 2023 | Rapid | 2023-07-28 | 2023-07-28 | Mangaung (FMB) | 5 | 1405.9 | 5 | 3.5 | 1514.1 | 8.5 | Details |
| 35 | 9th Piet van Zyl Chess Festival 2023 (C+D) | Standard | 2023-05-26 | 2023-05-27 | Mangaung (FMB) | 5 | 1422.3 | 5 | 4.5 | 1564.8 | 15 | Details |
| 36 | Inter Regional Chess Championship 2023 (U16) | Standard | 2023-05-19 | 2023-05-20 | Mangaung (FMB) | 5 | 1422.3 | 5 | 2 | 1158.8 | -25.2 | Details |
| 37 | Grey College Team Championship 2023 (A) | Standard | 2023-02-03 | 2023-02-04 | Mangaung (FMB) | 5 | 1282.3 | 5 | 5 | 1701.2 | 40.2 | Details |
| 38 | Bloemfontein Highschool League 24 Feb 2023 (U13+U15) | Rapid | 2023-02-24 | 2023-02-24 | Mangaung (FMB) | 5 | 1282.3 | 5 | 4.5 | 1535.3 | 13 | Details |
| 39 | Kings & Queens Chess 21 January 2023 (B) | Rapid | 2023-01-21 | 2023-01-21 | Mangaung (FMB) | 5 | 1254.9 | 5 | 3.5 | 1453.1 | 15.1 | Details |
| 40 | Courteney Page Chess Festival 2022 (C) | Rapid | 2022-10-15 | 2022-10-15 | Mangaung (FMB) | 5 | 1224.3 | 5 | 4 | 1445.9 | 16.9 | Details |
| 41 | Kiriakos Michalakis Chess Festival 2022 (B) | Standard | 2022-09-24 | 2022-09-24 | Mangaung (FMB) | 5 | 1178.1 | 5 | 4 | 1416.6 | 23.2 | Details |
| 42 | Bloemfontein School League 2022 (U15+U17) | Rapid | 2022-08-12 | 2022-08-12 | Mangaung (FMB) | 5 | 1178.2 | 5 | 2 | 1100.9 | -6.6 | Details |
| 43 | Mangaung Metro Chess 13 August 2022 (C+D) | Rapid | 2022-08-13 | 2022-08-13 | Mangaung (FMB) | 5 | 1178.2 | 5 | 3 | 1274.6 | 6.5 | Details |
| 44 | 8th Piet Van Zyl Chess Festival 2022 (C) | Standard | 2022-07-22 | 2022-07-23 | Mangaung (FMB) | 5 | 1200 | 4 | 1 | 1032.5 | -13.3 | Details |
| 45 | School League 2022 (U13+U15) | Rapid | 2022-07-29 | 2022-07-29 | Mangaung (FMB) | 5 | 1200 | 5 | 3 | 1238.3 | 2.5 | Details |
Game statistics ( )
| Games | 5 |
| Wins | 1 |
| Draws | 1 |
| Losses | 3 |
| White | 2 |
| Black | 3 |
| White wins | 0 |
| Black wins | 1 |
| Score | 1.5 |
| Percent | 30 |
| Dp | -170 |
| AOR | 1623.7 |
| Performance | 1453.7 |
Game statistics ()
| Games | 33 |
| Wins | 14 |
| Draws | 10 |
| Losses | 9 |
| White | 16 |
| Black | 17 |
| White wins | 9 |
| Black wins | 5 |
| Score | 19 |
| Percent | 57.6 |
| Dp | 64.4 |
| AOR | 1512.7 |
| Performance | 1577.1 |
Game statistics (History)
| Games | 234 |
| Wins | 129 |
| Draws | 37 |
| Losses | 68 |
| White | 116 |
| Black | 118 |
| White wins | 61 |
| Black wins | 68 |
| Score | 147.5 |
| Percent | 63 |
| Dp | 110.8 |
| AOR | 1352.6 |
| Performance | 1463.4 |
Rankings (Main)
| National | |
| Overall | 1090 |
| Gender | 1000 |
| Age group | 118 |
| Gender/Age | 107 |
| Provincial | |
| Overall | 27 |
| Gender | 26 |
| Age group | 4 |
| Gender/Age | 3 |
| Regional | |
| Overall | 16 |
| Gender | 16 |
| Age group | 3 |
| Gender/Age | 3 |
Rankings (Standard)
| National | |
| Overall | 1042 |
| Gender | 945 |
| Age group | 112 |
| Gender/Age | 101 |
| Provincial | |
| Overall | 22 |
| Gender | 21 |
| Age group | 3 |
| Gender/Age | 2 |
| Regional | |
| Overall | 12 |
| Gender | 12 |
| Age group | 2 |
| Gender/Age | 2 |
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 | 5 |
| Score | 1.5 |
| Percent | 30 |
| Aor | 1623.7 |
| Dp | -170 |
| Prat | 1453.7 |
Performance ()
| Games | 33 |
| Score | 19 |
| Percent | 57.6 |
| Aor | 1512.7 |
| Dp | 64.4 |
| Prat | 1577.1 |
Performance (12 months)
| Games | 39 |
| Score | 22 |
| Percent | 56.4 |
| Aor | 1524.8 |
| Dp | 54.5 |
| Prat | 1579.3 |
Performance (History)
| Games | 234 |
| Score | 147.5 |
| Percent | 63 |
| Aor | 1352.6 |
| Dp | 110.8 |
| Prat | 1463.4 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Rossouw, J (Johrne) | 7 | 4 | 3 | Inter Regional Chess Championship 2023 (U16) | Free State Closed 2025 (U18 Open) | Details |
| Overall | 2 | Modirwa, O (Ofentse) | 6 | 3 | 3 | Morris Club Championship 2023 | Mangaung Metro Chess 8-9 May 2026 (A) | Details |
| Overall | 3 | Lebenya, A (Agnes) | 5 | 4 | 1 | 9th Piet van Zyl Chess Festival 2023 (C+D) | Mangaung Metro Chess 8-9 May 2026 (A) | Details |
| Overall | 4 | Moalusi, P (Palesa) | 4 | 2 | 2 | Mangaung Metro Chess 13 August 2022 (C+D) | Mangaung Metro Chess 10 February 2024 (B) | Details |
| Overall | 5 | Van Der Merwe, CF (Christiaan Frederik) | 4 | 2 | 2 | Mangaung Metro Chess 7-8 February 2025 (A) | Mangaung Metro Chess 10-11 April 2026 (A) | Details |
| Standard | 1 | Van Der Merwe, CF (Christiaan Frederik) | 4 | 2 | 2 | Mangaung Metro Chess 7-8 February 2025 (A) | Mangaung Metro Chess 10-11 April 2026 (A) | Details |
| Standard | 2 | Modirwa, O (Ofentse) | 3 | 2 | 1 | Mangaung Metro Chess 11-12 October 2024 (A) | Mangaung Metro Chess 8-9 May 2026 (A) | Details |
| Standard | 3 | Wium, DJ (Daniel Jacobus) | 3 | 1 | 2 | 11th Piet van Zyl Chess Festival 2025 (A) | Mangaung Metro Chess 10-11 April 2026 (A) | Details |
| Standard | 4 | Rossouw, J (Johrne) | 3 | 2 | 1 | Inter Regional Chess Championship 2023 (U16) | Free State Closed 2025 (U18 Open) | Details |
| Standard | 5 | Lebenya, A (Agnes) | 3 | 2 | 1 | 9th Piet van Zyl Chess Festival 2023 (C+D) | Mangaung Metro Chess 8-9 May 2026 (A) | Details |
| Rapid | 1 | Rossouw, J (Johrne) | 3 | 2 | 1 | Mangaung Metro Chess 9 March 2024 (A) | Mangaung Metro Chess 25 January 2025 (A) | Details |
| Rapid | 2 | January, O (Oratile) | 3 | 1 | 2 | St Andrews 19 August 2023 (B) | Bloemfontein Highschool League 02 Aug 2024 (U19A) | Details |
| Rapid | 3 | Modirwa, O (Ofentse) | 2 | 1 | 1 | Morris Club Championship 2023 | Mangaung Metro Chess 25 January 2025 (A) | Details |
| Rapid | 4 | Mokoena, T (Tshepo) | 2 | 1 | 1 | Courteney Page Chess Festival 2022 (C) | Bloemfontein HS League 27 October 2023 (U13-U17) | Details |
| Rapid | 5 | Marogoa, G (Gaopalelwe) | 2 | 1 | 1 | Courteney Page Chess Festival 2022 (C) | Bloemfontein HS League 27 October 2023 (U13-U17) | Details |
| Blitz | 1 | Van Der Merwe, T (Tiaan) | 2 | 2 | 0 | Smart Chess Blitz 2024 (A) | Smart Chess Blitz 2025 (Elite) | Details |