PLAYER PAGE
Personal
De Noon, SJ (Stian Johanco)
Chess SA id
1140146475FIDE id
?Date of birth
2014-07-05 (U12)Gender
MaleRegion
Pixley-ka-Seme (NCP)Citizen
RSATitles
Chess SA registered
YesLast active game
2025-08-23Personal details last changed
2025-02-12Junior GPX Games
52Junior GPX Points
1306.4| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1367.5 | 1372.5 | 1200 | 1200 |
| Raw rating | 1367.5 | 1372.5 | 1200 | 1200 |
| Weighted rating | 1297.8 | 1294.3 | 1200 | 1200 |
| Weighted performance | 1348.4 | 1348.8 | 0 | 0 |
| Floor | 867.5 | 872.5 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 130.6 | 129.7 | 165.8 | 165.8 |
| Highest rating | 1367.52025-09-01 | 1372.52025-09-01 | 12002018-10-01 | 12002018-10-01 |
| Highest raw rating | 1367.52025-09-01 | 1372.52025-09-01 | 12002024-02-01 | 12002024-02-01 |
| Highest weighted rating | 1288.32025-09-01 | 1284.12025-09-01 | 12002018-10-01 | 12002018-10-01 |
| Highest weighted performance | 1362.12025-09-01 | 1362.52025-09-01 | 12002024-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1367.5 | 1372.5 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1367.5 | 1372.5 | 1200 | 1200 |
| Raw rating | 1367.5 | 1372.5 | 1200 | 1200 |
| Weighted rating | 1297.8 | 1294.3 | 1200 | |
| Weighted performance | 1348.4 | 1348.8 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 867.5 | 872.5 | 700 | 700 |
| Max/Min rating change allowed | 130.6 | 129.7 | 165.8 | 165.8 |
| 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 | 1367.5 | 1372.5 | 1200 | 1200 |
| New weighted rating | 1306.6 | 1303.8 | 1200 | 1200 |
| New weighted performance | 1347.9 | 1348.3 | 0 | 0 |
| Temp new rating | 1367.5 | 1372.5 | 1200 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1367.5 | 1372.5 | 1200 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 867.5 | 872.5 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 35 | 35 | 0 | 0 | |
| 40 | 40 | 0 | 0 | |
| 14 | 14 | 0 | 0 | |
| 5 | 5 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 94 | 94 | 0 | 0 |
| Games since | |||||||||||||||||
| Main75 | Standard75 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U12 | ||||||||||||||||
| Region | Pixley-ka-Seme (NCP) | ||||||||||||||||
| Province | Northern Cape (NC) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | 2488 | 61 | 12 | ||||||||||||||
| Male | 2026 | 50 | 10 | ||||||||||||||
| U12 | 346 | 9 | 5 | ||||||||||||||
| U12 Male | 257 | 8 | 5 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | 2339 | 71 | 12 | ||||||||||||||
| Male | 1900 | 58 | 10 | ||||||||||||||
| U12 | 317 | 10 | 5 | ||||||||||||||
| U12 Male | 234 | 9 | 5 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U12 | -1 | -1 | -1 | ||||||||||||||
| U12 Male | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U12 | -1 | -1 | -1 | ||||||||||||||
| U12 Male | -1 | -1 | -1 | ||||||||||||||
| 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 | 35 | 22 | 62.86 | 109.3 | 1261.9 | 1371.2 |
| Standard | 35 | 22 | 62.86 | 109.3 | 1261.9 | 1371.2 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 94 | 50.5 | 53.72 | 31.6 | 1252.7 | 1284.3 |
| Standard | 94 | 50.5 | 53.72 | 31.6 | 1252.7 | 1284.3 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-09-30 | 1367.5 | 1372.5 | 1200 | 1200 |
| 2025-09-01 | 1367.5 | 1372.5 | 1200 | 1200 |
| 2025-08-01 | 1333.6 | 1331 | 1200 | 1200 |
| 2025-07-01 | 1333.6 | 1331 | 1200 | 1200 |
| 2025-06-01 | 1333.6 | 1331 | 1200 | 1200 |
| 2025-05-01 | 1306.9 | 1298.2 | 1200 | 1200 |
| 2025-04-01 | 1306.9 | 1298.2 | 1200 | 1200 |
| 2025-03-01 | 1337.6 | 1335.1 | 1200 | 1200 |
| 2025-02-01 | 1298.1 | 1281.6 | 1200 | 1200 |
| 2025-01-01 | 1298.1 | 1281.6 | 1200 | 1200 |
| 2024-12-01 | 1315.8 | 1315.4 | 1200 | 1200 |
| 2024-11-01 | 1315.8 | 1315.4 | 1200 | 1200 |
| 2024-10-01 | 1313.2 | 1312.9 | 1200 | 1200 |
| 2024-09-01 | 1313.2 | 1312.9 | 1200 | 1200 |
| 2024-08-01 | 1183.8 | 1184.4 | 1200 | 1200 |
| 2024-07-01 | 1156 | 1150.6 | 1200 | 1200 |
| 2024-06-01 | 1156 | 1150.6 | 1200 | 1200 |
| 2024-08-01 | 1156 | 1150.6 | 1200 | 1200 |
| 2024-04-01 | 1156 | 1150.6 | 1200 | 1200 |
| 2024-03-01 | 1156 | 1150.6 | 1200 | 1200 |
| 2024-02-01 | 1167.8 | 1163.9 | 1200 | 1200 |
| 2024-01-01 | 1167.8 | 1163.9 | 1200 | 1200 |
| 2023-12-01 | 1167.8 | 1163.9 | 1200 | 1200 |
| 2023-11-01 | 1167.8 | 1163.9 | 1200 | 1200 |
Comming soon.
Tournaments
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Northern Cape Closed 202 (U12 Open) | 2025-08-22 | 2025-08-23 | Standard | ZF Mgcawu (NZF) | 5 | 5 | 3 | Yes | Analysis |
| 2 | De Aar Primary School 2025 (U12) | 2025-08-16 | 2025-08-16 | Standard | Pixley-ka-Seme (NCP) | 5 | 5 | 2.5 | Yes | Analysis |
| 3 | Hopetown Schools Open 2025 (U11) | 2025-08-01 | 2025-08-01 | Standard | Pixley-ka-Seme (NCP) | 5 | 5 | 4 | Yes | Analysis |
| 4 | 2025 Hopetown Schools Chess Tournament (U11+U13) | 2025-05-17 | 2025-05-17 | Standard | Pixley-ka-Seme (NCP) | 5 | 5 | 3.5 | Yes | Analysis |
| 5 | Karpov Chess Club Open 2025 | 2025-03-15 | 2025-03-15 | Standard | Frances Baard (NCF) | 5 | 5 | 2 | Yes | Analysis |
| 6 | Hopetown Schools Chess Tournament 2025 (U9+U11) | 2025-02-22 | 2025-02-22 | Standard | Pixley-ka-Seme (NCP) | 5 | 5 | 4 | Yes | Analysis |
| 7 | 2025 HSDA School Chess Tournament (U9+U11) | 2025-02-08 | 2025-02-08 | Standard | Pixley-ka-Seme (NCP) | 5 | 5 | 3 | Yes | Analysis |
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Northern Cape Closed 202 (U12 Open) | 2025-08-22 | 2025-08-23 | Standard | ZF Mgcawu (NZF) | 5 | 5 | 3 | Yes | Analysis |
| 2 | De Aar Primary School 2025 (U12) | 2025-08-16 | 2025-08-16 | Standard | Pixley-ka-Seme (NCP) | 5 | 5 | 2.5 | Yes | Analysis |
| 3 | Hopetown Schools Open 2025 (U11) | 2025-08-01 | 2025-08-01 | Standard | Pixley-ka-Seme (NCP) | 5 | 5 | 4 | Yes | Analysis |
| 4 | 2025 Hopetown Schools Chess Tournament (U11+U13) | 2025-05-17 | 2025-05-17 | Standard | Pixley-ka-Seme (NCP) | 5 | 5 | 3.5 | Yes | Analysis |
| 5 | Karpov Chess Club Open 2025 | 2025-03-15 | 2025-03-15 | Standard | Frances Baard (NCF) | 5 | 5 | 2 | Yes | Analysis |
| 6 | Hopetown Schools Chess Tournament 2025 (U9+U11) | 2025-02-22 | 2025-02-22 | Standard | Pixley-ka-Seme (NCP) | 5 | 5 | 4 | Yes | Analysis |
| 7 | 2025 HSDA School Chess Tournament (U9+U11) | 2025-02-08 | 2025-02-08 | Standard | Pixley-ka-Seme (NCP) | 5 | 5 | 3 | Yes | Analysis |
| 8 | Mzansi Interprovincial Youth Chess Championships 2024 (U12 Open Championship) | 2024-12-16 | 2024-12-19 | Standard | Capricorn (LCP) | 7 | 7 | 3 | Yes | Analysis |
| 9 | 2024 Kimberley Chess Club Christmas Open (Bishops) | 2024-12-07 | 2024-12-07 | Standard | Frances Baard (NCF) | 5 | 5 | 2 | Yes | Analysis |
| 10 | 2024 Hopetown Schools Chess Tournament (U9+U11) | 2024-10-12 | 2024-10-12 | Standard | Pixley-ka-Seme (NCP) | 5 | 5 | 3.5 | Yes | Analysis |
| 11 | Hopetown Schools Chess Tournament 2024 (U11) | 2024-08-17 | 2024-08-17 | Standard | Pixley-ka-Seme (NCP) | 5 | 4 | 2 | Yes | Analysis |
| 12 | 2024 NC Closed Chess Championships (U12 Open) | 2024-08-23 | 2024-08-25 | Standard | Frances Baard (NCF) | 5 | 5 | 3.5 | Yes | Analysis |
| 13 | 2024 Pixley Ka Seme Chess Schools Open 2 (U11) | 2024-08-03 | 2024-08-03 | Standard | Pixley-ka-Seme (NCP) | 5 | 5 | 2.5 | Yes | Analysis |
| 14 | 2024 HSDA Open 3 (U11) | 2024-07-27 | 2024-07-27 | Standard | Pixley-ka-Seme (NCP) | 5 | 5 | 3 | Yes | Analysis |
| 15 | 2024 Frances Baard Schools Open (U11) | 2024-02-03 | 2024-02-03 | Standard | Frances Baard (NCF) | 5 | 4 | 1 | Yes | Analysis |
| 16 | Hopetown Chess Open Tournament 2023 (U10+U12) | 2023-08-05 | 2023-08-05 | Standard | Pixley-ka-Seme (NCP) | 5 | 5 | 2 | Yes | Analysis |
| 17 | Hopetown School Chess Open Tournament 2023 (U9) | 2023-05-06 | 2023-05-06 | Standard | Pixley-ka-Seme (NCP) | 5 | 4 | 1 | Yes | Analysis |
| 18 | Hopetown Schools Chess Open Tournament 2023 (U11) | 2023-02-25 | 2023-02-25 | Standard | John Taolo Gaetswewe (NCJ) | 5 | 5 | 3 | Yes | Analysis |
| 19 | Pixley Chess Trials 2022 (U10) | 2022-09-03 | 2022-09-03 | Standard | Pixley-ka-Seme (NCP) | 5 | 5 | 2 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | Tournament2024 Hopetown Schools Chess Tournament | Tournament2024 Kimberley Chess Club Christmas Open | ||||||
| date2024-10-12 | rnd3 | typeStandard | result1 | date2024-12-07 | rnd2 | typeStandard | result1 | ||
| OpponentMatthys, E (Eliana) | OpponentNiesing, N (Naomi) | ||||||||
| 2 | 5 | TournamentHopetown Schools Chess Tournament 2024 | Tournament2024 NC Closed Chess Championships | ||||||
| date2024-08-17 | rnd5 | typeStandard | result1 | date2024-08-24 | rnd4 | typeStandard | result1 | ||
| OpponentMurphy, M (Melinke) | OpponentVermeulen, P (Petrus Van Der Walt) | ||||||||
| 3 | 4 | TournamentDe Aar Primary School 2025 | TournamentNorthern Cape Closed 202 | ||||||
| date2025-08-16 | rnd5 | typeStandard | result0.5 | date2025-08-23 | rnd3 | typeStandard | result1 | ||
| OpponentMatekwe, N (Nelson) | OpponentThirion, C (Charles Nicolass) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | Tournament2024 Hopetown Schools Chess Tournament | Tournament2024 Kimberley Chess Club Christmas Open | ||||||
| date2024-10-12 | rnd3 | typeStandard | result1 | date2024-12-07 | rnd2 | typeStandard | result1 | ||
| OpponentMatthys, E (Eliana) | OpponentNiesing, N (Naomi) | ||||||||
| 2 | 5 | TournamentHopetown Schools Chess Tournament 2024 | Tournament2024 NC Closed Chess Championships | ||||||
| date2024-08-17 | rnd5 | typeStandard | result1 | date2024-08-24 | rnd4 | typeStandard | result1 | ||
| OpponentMurphy, M (Melinke) | OpponentVermeulen, P (Petrus Van Der Walt) | ||||||||
| 3 | 4 | TournamentDe Aar Primary School 2025 | TournamentNorthern Cape Closed 202 | ||||||
| date2025-08-16 | rnd5 | typeStandard | result0.5 | date2025-08-23 | rnd3 | typeStandard | result1 | ||
| OpponentMatekwe, N (Nelson) | OpponentThirion, C (Charles Nicolass) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | Tournament2024 Hopetown Schools Chess Tournament | Tournament2024 Kimberley Chess Club Christmas Open | ||||||
| date2024-10-12 | rnd3 | typeStandard | result1 | date2024-12-07 | rnd2 | typeStandard | result1 | ||
| OpponentMatthys, E (Eliana) | OpponentNiesing, N (Naomi) | ||||||||
| 2 | 3 | TournamentNorthern Cape Closed 202 | TournamentNorthern Cape Closed 202 | ||||||
| date2025-08-22 | rnd1 | typeStandard | result1 | date2025-08-23 | rnd3 | typeStandard | result1 | ||
| OpponentWylbacht, D (Dewandre) | OpponentThirion, C (Charles Nicolass) | ||||||||
| 3 | 3 | TournamentHopetown Schools Open 2025 | TournamentDe Aar Primary School 2025 | ||||||
| date2025-08-01 | rnd4 | typeStandard | result1 | date2025-08-16 | rnd1 | typeStandard | result1 | ||
| OpponentFinck, LS (Lynden Shikamaru) | OpponentFuzani, Z (Zamuthando) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | Tournament2024 Hopetown Schools Chess Tournament | Tournament2024 Kimberley Chess Club Christmas Open | ||||||
| date2024-10-12 | rnd3 | typeStandard | result1 | date2024-12-07 | rnd2 | typeStandard | result1 | ||
| OpponentMatthys, E (Eliana) | OpponentNiesing, N (Naomi) | ||||||||
| 2 | 3 | TournamentNorthern Cape Closed 202 | TournamentNorthern Cape Closed 202 | ||||||
| date2025-08-22 | rnd1 | typeStandard | result1 | date2025-08-23 | rnd3 | typeStandard | result1 | ||
| OpponentWylbacht, D (Dewandre) | OpponentThirion, C (Charles Nicolass) | ||||||||
| 3 | 3 | TournamentHopetown Schools Open 2025 | TournamentDe Aar Primary School 2025 | ||||||
| date2025-08-01 | rnd4 | typeStandard | result1 | date2025-08-16 | rnd1 | typeStandard | result1 | ||
| OpponentFinck, LS (Lynden Shikamaru) | OpponentFuzani, Z (Zamuthando) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
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 | Van Zyl ,F (Frederick) | 8 | 5.5 | 159.4 | 8 | 5.5 | 159.4 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1218.1 | 1377.4 | 1221 | 1377.4 | 0 | 0 | 0 | 0 | ||||||
| 2 | Finck ,LS (Lynden Shikamaru) | 6 | 2.5 | -70.8 | 6 | 2.5 | -70.8 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1281.4 | 1210.6 | 1284 | 1210.6 | 0 | 0 | 0 | 0 | ||||||
| 3 | Peters ,R (Roland) | 5 | 2 | -85 | 5 | 2 | -85 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1257.4 | 1172.4 | 1252.1 | 1172.4 | 0 | 0 | 0 | 0 | ||||||
| 4 | Viljoen ,J (Joshua) | 5 | 1 | -255 | 5 | 1 | -255 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1273.4 | 1018.4 | 1271.6 | 1018.4 | 0 | 0 | 0 | 0 | ||||||
| 5 | Niesing ,N (Naomi) | 4 | 4 | 425 | 4 | 4 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1189.4 | 1614.4 | 1185 | 1614.4 | 0 | 0 | 0 | 0 | ||||||
| 6 | Vermeulen ,JB (Johannes Bernardus) | 4 | 0 | -425 | 4 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1228.9 | 803.9 | 1228.3 | 803.9 | 0 | 0 | 0 | 0 | ||||||
| 7 | Vermeulen ,P (Petrus Van Der Walt) | 3 | 1 | -141.7 | 3 | 1 | -141.7 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1534.3 | 1392.6 | 1536.5 | 1392.6 | 0 | 0 | 0 | 0 | ||||||
| 8 | Murphy ,M (Melinke Frances-Laine) | 3 | 2 | 141.7 | 3 | 2 | 141.7 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1176.2 | 1317.9 | 1170.3 | 1317.9 | 0 | 0 | 0 | 0 | ||||||
| 9 | Loubser ,R (Reinhardt) | 3 | 3 | 425 | 3 | 3 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1234.7 | 1659.7 | 1232.4 | 1659.7 | 0 | 0 | 0 | 0 | ||||||
| 10 | Fischer ,C (Calinke) | 3 | 0 | -425 | 3 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1264.8 | 839.8 | 1264.8 | 839.8 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|