PLAYER PAGE
Jun Hao Guo
1160326006Tshwane (GTP)Personal
Main rating
| Rating | 1322.5 |
| K-factor | 36 |
| Floor | 822.5 |
| Highest | 1322.5 (2026-09-01) |
| Min/Max +/- allowed | 139 |
| Rating Change () | |
| Games | 10 |
| Score | 5 |
| We | 5.22 |
| SWe | -0.92 |
| Temp +/- | -33.1 |
| Penalties | 0 |
| Weight perform | 1260.6 |
| Final +/- | -33.1 |
| New Rating () | |
| Rating | 1289.4 |
| K-factor | 36 |
| Floor | 822.5 |
| Highest | 1322.5 (2026-09-01) |
| Min/Max +/- allowed | 139.3 |
Standard rating
| Rating | 1322.5 |
| K-factor | 36 |
| Floor | 822.5 |
| Highest | 1322.5 (2026-09-01) |
| Min/Max +/- allowed | 139.3 |
| Rating Change () | |
| Games | 5 |
| Score | 2.5 |
| We | 3.23 |
| SWe | -0.73 |
| Temp +/- | -26.3 |
| Penalties | 0 |
| Weight perform | 1256.7 |
| Final +/- | -26.3 |
| New Rating () | |
| Rating | 1296.2 |
| K-factor | 36 |
| Floor | 822.5 |
| Highest | 1322.5 (2026-09-01) |
| Min/Max +/- allowed | 139.3 |
Rapid rating
| Rating | 1200 |
| K-factor | 40 |
| Floor | 700 |
| Highest | 1199 (2025-08-23) |
| Min/Max +/- allowed | 166.1 |
| Rating Change () | |
| Games | 5 |
| Score | 2.5 |
| We | 2.12 |
| SWe | -0.37 |
| Temp +/- | -15 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | -15 |
| New Rating () | |
| Rating | 1185 |
| K-factor | 40 |
| Floor | 700 |
| Highest | 1199 (2025-08-23) |
| Min/Max +/- allowed | 166.1 |
Blitz rating
| Rating | 1200 |
| K-factor | 40 |
| Floor | 700 |
| Highest | 1199 (2025-08-23) |
| Min/Max +/- allowed | 166.1 |
| 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 | 40 |
| Floor | 700 |
| Highest | 1199 (2025-08-23) |
| Min/Max +/- allowed | 166.1 |
Rating Graph
Tournaments
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | 2026 Gauteng Northl Chess Tournament (D) | Standard | 2026-10-10 | 2026-10-11 | Tshwane (GTP) | 5 | 1322.5 | 5 | 2.5 | 1182 | -23.8 | Details |
| 2 | Gauteng Top Schools Teams 2026 (U11) | Rapid | 2026-08-28 | 2026-08-28 | Ekurhuleni (GE) | 5 | 1322.5 | 5 | 2.5 | 1398.8 | 3.5 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | 2026 Etienne Lewis (U12) | Standard | 2026-08-08 | 2026-08-10 | Tshwane (GTP) | 7 | 1322.5 | 7 | 2.5 | 1183.7 | -34.9 | Details |
| 2 | 2026 Gauteng North School District CLOSED League Finals - D1 (U11 Open) | Standard | 2026-08-15 | 2026-08-15 | Tshwane (GTP) | 5 | 1322.5 | 5 | 4 | 1440 | 25.4 | Details |
| 3 | Wynie Robbertse Chess Tournament 2026 (U12) | Standard | 2026-06-27 | 2026-06-27 | Tshwane (GTP) | 5 | 1264.7 | 5 | 3 | 1299.9 | 10.1 | Details |
| 4 | Elise Steenkamp 2026 (Bishop 2) | Standard | 2026-06-13 | 2026-06-14 | Tshwane (GTP) | 5 | 1264.7 | 5 | 3 | 1394.9 | 27.2 | Details |
| 5 | 2026 PBHS Open (U12) | Standard | 2026-04-25 | 2026-04-25 | Tshwane (GTP) | 5 | 1207.5 | 5 | 3 | 1468.7 | 44.3 | Details |
| 6 | 2026 Lubowski Open Chess Tournament (D2) | Standard | 2026-03-21 | 2026-03-22 | Tshwane (GTP) | 5 | 1254.9 | 5 | 1 | 1009.4 | -47.4 | Details |
| 7 | 2026 Constantiapark Open Chess Tournament (U12) | Standard | 2026-02-14 | 2026-02-14 | Tshwane (GTP) | 5 | 1213.7 | 5 | 3 | 1433.8 | 22.1 | Details |
| 8 | 2026 Tshwane Chess Registration Tournament (U12-1) | Standard | 2026-01-31 | 2026-01-31 | Tshwane (GTP) | 5 | 1213.7 | 5 | 2 | 1219 | 0.5 | Details |
| 9 | Lardies Open 2025 (U10) | Standard | 2025-10-18 | 2025-10-18 | Tshwane (GTP) | 5 | 1215.5 | 5 | 1.5 | 1109.8 | -9.6 | Details |
| 10 | 2025 Gauteng Top Schools Teams (U9) | Standard | 2025-08-29 | 2025-08-29 | Tshwane (GTP) | 5 | 1215.5 | 5 | 3 | 1311.6 | 8.6 | Details |
| 11 | 2025 Gauteng North School District CLOSED League Finals - D1 (U9) | Standard | 2025-08-16 | 2025-08-16 | Tshwane (GTP) | 3 | 1200 | 1 | 1 | 1631.7 | 7.8 | Details |
Game statistics ( )
| Games | 5 |
| Wins | 2 |
| Draws | 1 |
| Losses | 2 |
| White | 2 |
| Black | 3 |
| White wins | 0 |
| Black wins | 2 |
| Score | 2.5 |
| Percent | 50 |
| Dp | 0 |
| AOR | 1182 |
| Performance | 1182 |
Game statistics ()
| Games | 52 |
| Wins | 25 |
| Draws | 3 |
| Losses | 24 |
| White | 23 |
| Black | 29 |
| White wins | 12 |
| Black wins | 13 |
| Score | 26.5 |
| Percent | 51 |
| Dp | 8.2 |
| AOR | 1290.3 |
| Performance | 1298.4 |
Game statistics (History)
| Games | 63 |
| Wins | 30 |
| Draws | 4 |
| Losses | 29 |
| White | 29 |
| Black | 34 |
| White wins | 16 |
| Black wins | 14 |
| Score | 32 |
| Percent | 50.8 |
| Dp | 6.7 |
| AOR | 1283.1 |
| Performance | 1289.8 |
Rankings (Main)
| National | |
| Overall | 5462 |
| Gender | 4500 |
| Age group | 594 |
| Gender/Age | 457 |
| Provincial | |
| Overall | 1855 |
| Gender | 1534 |
| Age group | 206 |
| Gender/Age | 166 |
| Regional | |
| Overall | 632 |
| Gender | 524 |
| Age group | 72 |
| Gender/Age | 55 |
Rankings (Standard)
| National | |
| Overall | 4829 |
| Gender | 3959 |
| Age group | 535 |
| Gender/Age | 411 |
| Provincial | |
| Overall | 1710 |
| Gender | 1409 |
| Age group | 194 |
| Gender/Age | 155 |
| Regional | |
| Overall | 602 |
| Gender | 498 |
| Age group | 68 |
| Gender/Age | 53 |
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 | 2.5 |
| Percent | 50 |
| Aor | 1182 |
| Dp | 0 |
| Prat | 1182 |
Performance ()
| Games | 52 |
| Score | 26.5 |
| Percent | 51 |
| Aor | 1290.3 |
| Dp | 8.2 |
| Prat | 1298.4 |
Performance (12 months)
| Games | 52 |
| Score | 26.5 |
| Percent | 51 |
| Aor | 1290.3 |
| Dp | 8.2 |
| Prat | 1298.4 |
Performance (History)
| Games | 63 |
| Score | 32 |
| Percent | 50.8 |
| Aor | 1283.1 |
| Dp | 6.7 |
| Prat | 1289.8 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Li, J (Jiming) | 3 | 1 | 2 | 2026 PBHS Open (U12) | 2026 Etienne Lewis (U12) | Details |
| Overall | 2 | Phahlamohlaka, L (Lefa) | 2 | 1 | 1 | 2025 Gauteng North School District CLOSED League Finals - D1 (U9) | 2026 Gauteng North School District CLOSED League Finals - D1 (U11 Open) | Details |
| Standard | 1 | Li, J (Jiming) | 3 | 1 | 2 | 2026 PBHS Open (U12) | 2026 Etienne Lewis (U12) | Details |
| Standard | 2 | Phahlamohlaka, L (Lefa) | 2 | 1 | 1 | 2025 Gauteng North School District CLOSED League Finals - D1 (U9) | 2026 Gauteng North School District CLOSED League Finals - D1 (U11 Open) | Details |