PLAYER PAGE
Stian Johanco De Noon
1140146475Pixley-ka-Seme (NCP)Personal
Main rating
| Rating | 1535.2 |
| K-factor | 32 |
| Floor | 1040.6 |
| Highest | 1540.6 (2026-08-01) |
| Min/Max +/- allowed | 102 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1464.9 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1535.2 |
| K-factor | 32 |
| Floor | 1040.6 |
| Highest | 1540.6 (2026-08-01) |
| Min/Max +/- allowed | 102.1 |
Standard rating
| Rating | 1537.7 |
| K-factor | 32 |
| Floor | 1041.5 |
| Highest | 1541.5 (2026-08-01) |
| Min/Max +/- allowed | 101.9 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1464.9 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1537.7 |
| K-factor | 32 |
| Floor | 1041.5 |
| Highest | 1541.5 (2026-08-01) |
| Min/Max +/- allowed | 101.9 |
Rapid rating
| Rating | 1200 |
| 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 | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2018-10-01) |
| Min/Max +/- allowed | 165.8 |
Blitz rating
| Rating | 1200 |
| 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 | 1200 |
| 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 |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Northern Cape Closed 2026 (U14 Open) | Standard | 2026-08-21 | 2026-08-22 | ZF Mgcawu (NZF) | 5 | 1535.2 | 5 | 3 | 1218.7 | -30.5 | Details |
| 2 | Douglas Knights Chess Tournament 2026 (U12) | Standard | 2026-08-15 | 2026-08-15 | Pixley-ka-Seme (NCP) | 5 | 1535.2 | 5 | 5 | 1686.5 | 25.1 | Details |
| 3 | Hopetown Chess Tournament 3 2026 (B) | Standard | 2026-07-25 | 2026-07-25 | Pixley-ka-Seme (NCP) | 5 | 1537.1 | 5 | 4 | 1549.3 | 3.4 | Details |
| 4 | Inter Regional Chess Championship 2026 (Team U14) | Standard | 2026-05-22 | 2026-05-23 | Mangaung (FMB) | 5 | 1467 | 5 | 4.5 | 1648.6 | 27.8 | Details |
| 5 | HSDA Open Schools Tournament 2026 (U13+U15) | Standard | 2026-04-25 | 2026-04-25 | Pixley-ka-Seme (NCP) | 5 | 1421.3 | 5 | 4 | 1509.8 | 17.3 | Details |
| 6 | 2026 Northern Cape Open Chess Championship (C) | Standard | 2026-04-17 | 2026-04-19 | Frances Baard (NCF) | 7 | 1421.3 | 7 | 4.5 | 1415.4 | 0.2 | Details |
| 7 | De Aar Open Chess Tournament 2026 (B) | Standard | 2026-01-31 | 2026-01-31 | Pixley-ka-Seme (NCP) | 5 | 1319.3 | 5 | 3 | 1445.1 | 9.7 | Details |
| 8 | Hopetown Chess Tournament 2026 (U12) | Standard | 2026-02-07 | 2026-02-07 | Pixley-ka-Seme (NCP) | 5 | 1319.3 | 5 | 5 | 1684.2 | 24 | Details |
| 9 | 2025 Mzansi Individual Championships (U12 Open) | Classical | 2025-12-17 | 2025-12-20 | Nelson Mandela Bay (ENM) | 6 | 1367.5 | 6 | 1 | 1102.6 | -37.4 | Details |
| 10 | 2025 Mzansi Inter Provincial Team Championships (U12 Combined) | Standard | 2025-12-15 | 2025-12-17 | Nelson Mandela Bay (ENM) | 6 | 1367.5 | 6 | 3 | 1380.8 | 3 | Details |
| 11 | Northern Cape Closed 202 (U12 Open) | Standard | 2025-08-22 | 2025-08-23 | ZF Mgcawu (NZF) | 5 | 1333.6 | 5 | 3 | 1403.8 | 7 | Details |
| 12 | De Aar Primary School 2025 (U12) | Standard | 2025-08-16 | 2025-08-16 | Pixley-ka-Seme (NCP) | 5 | 1333.6 | 5 | 2.5 | 1266.9 | -5.9 | Details |
| 13 | Hopetown Schools Open 2025 (U11) | Standard | 2025-08-01 | 2025-08-01 | Pixley-ka-Seme (NCP) | 5 | 1333.6 | 5 | 4 | 1520.7 | 17.6 | Details |
| 14 | 2025 Hopetown Schools Chess Tournament (U11+U13) | Standard | 2025-05-17 | 2025-05-17 | Pixley-ka-Seme (NCP) | 5 | 1306.9 | 5 | 3.5 | 1449.4 | 14.8 | Details |
| 15 | Karpov Chess Club Open 2025 | Standard | 2025-03-15 | 2025-03-15 | Frances Baard (NCF) | 5 | 1337.6 | 5 | 2 | 1155 | -17.1 | Details |
| 16 | Hopetown Schools Chess Tournament 2025 (U9+U11) | Standard | 2025-02-22 | 2025-02-22 | Pixley-ka-Seme (NCP) | 5 | 1298.1 | 5 | 4 | 1475.2 | 18.3 | Details |
| 17 | 2025 HSDA School Chess Tournament (U9+U11) | Standard | 2025-02-08 | 2025-02-08 | Pixley-ka-Seme (NCP) | 5 | 1298.1 | 5 | 3 | 1327.5 | 3.7 | Details |
| 18 | Mzansi Interprovincial Youth Chess Championships 2024 (U12 Open Championship) | Classical | 2024-12-16 | 2024-12-19 | Capricorn (LCP) | 7 | 1315.8 | 7 | 3 | 1353 | 6.8 | Details |
| 19 | 2024 Kimberley Chess Club Christmas Open (Bishops) | Standard | 2024-12-07 | 2024-12-07 | Frances Baard (NCF) | 5 | 1315.8 | 5 | 2 | 1137.6 | -16.6 | Details |
| 20 | 2024 Hopetown Schools Chess Tournament (U9+U11) | Standard | 2024-10-12 | 2024-10-12 | Pixley-ka-Seme (NCP) | 5 | 1313.2 | 5 | 3.5 | 1319.5 | 1.3 | Details |
| 21 | Hopetown Schools Chess Tournament 2024 (U11) | Standard | 2024-08-17 | 2024-08-17 | Pixley-ka-Seme (NCP) | 5 | 1183.8 | 4 | 2 | 1225.6 | 3.4 | Details |
| 22 | 2024 NC Closed Chess Championships (U12 Open) | Standard | 2024-08-23 | 2024-08-25 | Frances Baard (NCF) | 5 | 1183.8 | 5 | 3.5 | 1547.6 | 39.5 | Details |
| 23 | 2024 Pixley Ka Seme Chess Schools Open 2 (U11) | Standard | 2024-08-03 | 2024-08-03 | Pixley-ka-Seme (NCP) | 5 | 1183.8 | 5 | 2.5 | 1184 | -0.7 | Details |
| 24 | 2024 HSDA Open 3 (U11) | Standard | 2024-07-27 | 2024-07-27 | Pixley-ka-Seme (NCP) | 5 | 1156 | 5 | 3 | 1306 | 15.5 | Details |
| 25 | 2024 Frances Baard Schools Open (U11) | Standard | 2024-02-03 | 2024-02-03 | Frances Baard (NCF) | 5 | 1167.8 | 4 | 1 | 1083.8 | -6.7 | Details |
| 26 | Hopetown Chess Open Tournament 2023 (U10+U12) | Standard | 2023-08-05 | 2023-08-05 | Pixley-ka-Seme (NCP) | 5 | 1175.7 | 5 | 2 | 1124.2 | -4.4 | Details |
| 27 | Hopetown School Chess Open Tournament 2023 (U9) | Standard | 2023-05-06 | 2023-05-06 | Pixley-ka-Seme (NCP) | 5 | 1208.1 | 4 | 1 | 963 | -18 | Details |
| 28 | Hopetown Schools Chess Open Tournament 2023 (U11) | Standard | 2023-02-25 | 2023-02-25 | John Taolo Gaetswewe (NCJ) | 5 | 1186.6 | 5 | 3 | 1291.1 | 11.1 | Details |
| 29 | Pixley Chess Trials 2022 (U10) | Standard | 2022-09-03 | 2022-09-03 | Pixley-ka-Seme (NCP) | 5 | 1200 | 5 | 2 | 1124.8 | -6.7 | 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 | 42 |
| Wins | 32 |
| Draws | 2 |
| Losses | 8 |
| White | 18 |
| Black | 24 |
| White wins | 15 |
| Black wins | 17 |
| Score | 33 |
| Percent | 78.6 |
| Dp | 242.9 |
| AOR | 1271.9 |
| Performance | 1514.7 |
Game statistics (History)
| Games | 148 |
| Wins | 81 |
| Draws | 13 |
| Losses | 54 |
| White | 65 |
| Black | 83 |
| White wins | 41 |
| Black wins | 40 |
| Score | 87.5 |
| Percent | 59.1 |
| Dp | 77.5 |
| AOR | 1268.7 |
| Performance | 1346.3 |
Rankings (Main)
| National | |
| Overall | 1613 |
| Gender | 1448 |
| Age group | 146 |
| Gender/Age | 115 |
| Provincial | |
| Overall | 39 |
| Gender | 35 |
| Age group | 3 |
| Gender/Age | 3 |
| Regional | |
| Overall | 6 |
| Gender | 5 |
| Age group | 3 |
| Gender/Age | 3 |
Rankings (Standard)
| National | |
| Overall | 1435 |
| Gender | 1273 |
| Age group | 140 |
| Gender/Age | 108 |
| Provincial | |
| Overall | 36 |
| Gender | 32 |
| Age group | 3 |
| Gender/Age | 3 |
| Regional | |
| Overall | 6 |
| Gender | 5 |
| Age group | 3 |
| Gender/Age | 3 |
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 | 42 |
| Score | 33 |
| Percent | 78.6 |
| Aor | 1271.9 |
| Dp | 242.9 |
| Prat | 1514.7 |
Performance (12 months)
| Games | 54 |
| Score | 37 |
| Percent | 68.5 |
| Aor | 1296.7 |
| Dp | 157.4 |
| Prat | 1454.1 |
Performance (History)
| Games | 148 |
| Score | 87.5 |
| Percent | 59.1 |
| Aor | 1268.7 |
| Dp | 77.5 |
| Prat | 1346.3 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Van Zyl, FW (Frederick Willem) | 10 | 4 | 6 | Pixley Chess Trials 2022 (U10) | Inter Regional Chess Championship 2026 (Team U14) | Details |
| Overall | 2 | Finck, LS (Lynden Shikamaru) | 7 | 1 | 6 | Hopetown Schools Chess Open Tournament 2023 (U11) | Hopetown Chess Tournament 2026 (U12) | Details |
| Overall | 3 | Niesing, N (Naomi) | 6 | 3 | 3 | Hopetown School Chess Open Tournament 2023 (U9) | Hopetown Chess Tournament 2026 (U12) | Details |
| Overall | 4 | Vermeulen, JB (Johannes Bernardus) | 6 | 3 | 3 | Hopetown School Chess Open Tournament 2023 (U9) | Douglas Knights Chess Tournament 2026 (U12) | Details |
| Overall | 5 | Peters, R (Roland) | 6 | 2 | 4 | 2024 HSDA Open 3 (U11) | De Aar Open Chess Tournament 2026 (B) | Details |
| Standard | 1 | Van Zyl, FW (Frederick Willem) | 10 | 4 | 6 | Pixley Chess Trials 2022 (U10) | Inter Regional Chess Championship 2026 (Team U14) | Details |
| Standard | 2 | Finck, LS (Lynden Shikamaru) | 7 | 1 | 6 | Hopetown Schools Chess Open Tournament 2023 (U11) | Hopetown Chess Tournament 2026 (U12) | Details |
| Standard | 3 | Vermeulen, JB (Johannes Bernardus) | 6 | 3 | 3 | Hopetown School Chess Open Tournament 2023 (U9) | Douglas Knights Chess Tournament 2026 (U12) | Details |
| Standard | 4 | Peters, R (Roland) | 6 | 2 | 4 | 2024 HSDA Open 3 (U11) | De Aar Open Chess Tournament 2026 (B) | Details |
| Standard | 5 | Niesing, N (Naomi) | 6 | 3 | 3 | Hopetown School Chess Open Tournament 2023 (U9) | Hopetown Chess Tournament 2026 (U12) | Details |