PLAYER PAGE
Personal
Janson, R (Rossouw)
Chess SA id
105013928FIDE id
?Date of birth
2005-10-11 (Adult)Gender
MaleRegion
Ehlanzeni (MEN)Citizen
RSATitles
Chess SA registered
NoLast active game
2018-12-20Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1014 | 1016.1 | 828 | 828 |
| Raw rating | 1014 | 1016.1 | 828 | 828 |
| Weighted rating | 1014 | 1016.1 | 828 | 828 |
| Weighted performance | 104.4 | 104.5 | 0 | 0 |
| Floor | 529.1 | 532.2 | 500 | 500 |
| K-factor | 40 | 40 | 40 | 40 |
| Min/Max rating change allowed | 216.1 | 215.5 | 281.7 | 281.7 |
| Highest rating | 12002024-11-01 | 12002024-11-01 | 12002024-02-01 | 12002024-02-01 |
| Highest raw rating | 1029.12018-08-01 | 1032.22018-08-01 | 8282024-02-01 | 8282024-02-01 |
| Highest weighted rating | 1029.12024-11-01 | 1032.22024-11-01 | 8282024-11-01 | 8282024-11-01 |
| Highest weighted performance | 12002024-12-01 | 12002024-12-01 | 12002024-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1014 | 1016.1 | 828 | 828 |
| Analysis | ||||
| Rating | 1014 | 1016.1 | 828 | 828 |
| Raw rating | 1014 | 1016.1 | 828 | 828 |
| Weighted rating | 1014 | 1016.1 | 828 | |
| Weighted performance | 104.4 | 104.5 | 0 | |
| K-factor | 40 | 40 | 40 | 40 |
| Floor | 529.1 | 532.2 | 500 | 500 |
| Max/Min rating change allowed | 216.1 | 215.5 | 281.7 | 281.7 |
| 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 | 1014 | 1016.1 | 828 | 828 |
| New weighted rating | 1014 | 1016.1 | 828 | 828 |
| New weighted performance | 98.4 | 98.5 | 0 | 0 |
| Temp new rating | 1014 | 1016.1 | 828 | 828 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1014 | 1016.1 | 828 | 828 |
| New K-factor | 40 | 40 | 40 | 40 |
| New floor | 529.1 | 532.2 | 500 | 500 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 173 | 173 | 0 | 0 |
| Games since | |||||||||||||||||
| Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | Adult | ||||||||||||||||
| Region | Ehlanzeni (MEN) | ||||||||||||||||
| Province | Mpumalanga (MP) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| Adult | -1 | -1 | -1 | ||||||||||||||
| Adult Male | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| Adult | -1 | -1 | -1 | ||||||||||||||
| Adult Male | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| Adult | -1 | -1 | -1 | ||||||||||||||
| Adult Male | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| Adult | -1 | -1 | -1 | ||||||||||||||
| Adult 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 | 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 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 39 | 22 | 56.41 | 54.5 | 904.6 | 959.1 |
| Standard | 39 | 22 | 56.41 | 54.5 | 904.6 | 959.1 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1014 | 1016.1 | 828 | 828 |
| 2025-09-30 | 1014 | 1016.1 | 828 | 828 |
| 2025-09-01 | 1014 | 1016.1 | 828 | 828 |
| 2025-08-01 | 1014 | 1016.1 | 828 | 828 |
| 2025-07-01 | 1014 | 1016.1 | 828 | 828 |
| 2025-06-01 | 1014 | 1016.1 | 828 | 828 |
| 2025-05-01 | 1014 | 1016.1 | 828 | 828 |
| 2025-04-01 | 1014 | 1016.1 | 828 | 828 |
| 2025-03-01 | 1014 | 1016.1 | 828 | 828 |
| 2025-02-01 | 1014 | 1016.1 | 828 | 828 |
| 2025-01-01 | 1014 | 1016.1 | 828 | 828 |
| 2024-12-01 | 1014 | 1016.1 | 828 | 828 |
| 2024-11-01 | 1014 | 1016.1 | 828 | 828 |
| 2024-10-01 | 1014 | 1016.1 | 828 | 828 |
| 2024-09-01 | 1014 | 1016.1 | 828 | 828 |
| 2024-08-01 | 1014 | 1016.1 | 828 | 828 |
| 2024-07-01 | 1014 | 1016.1 | 828 | 828 |
| 2024-09-01 | 1014 | 1016.1 | 828 | 828 |
| 2024-05-01 | 1014 | 1016.1 | 828 | 828 |
| 2024-04-01 | 1014 | 1016.1 | 828 | 828 |
| 2024-03-01 | 1014 | 1016.1 | 828 | 828 |
| 2024-02-01 | 1014 | 1016.1 | 828 | 828 |
| 2024-01-01 | 1014 | 1016.1 | 828 | 828 |
| 2023-12-01 | 1014 | 1016.1 | 828 | 828 |
Comming soon.
Tournaments
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | South African Junior Team Championships 2018 (U14D) | 2018-12-16 | 2018-12-20 | Standard | 4 Knights (4K) | 7 | 7 | 3.5 | Yes | Analysis |
| 2 | De Goede Top 20 Closed 2018 (U14 Open) | 2018-08-18 | 2018-08-18 | Standard | Ehlanzeni (MEN) | 5 | 5 | 2 | Yes | Analysis |
| 3 | Malelane Primary 2018 (U14 Open) | 2018-07-21 | 2018-07-21 | Standard | Ehlanzeni (MEN) | 5 | 5 | 3.5 | Yes | Analysis |
| 4 | Penryn Age Open 2018 (U14 Boys) | 2018-04-21 | 2018-04-21 | Standard | Ehlanzeni (MEN) | 5 | 5 | 4 | Yes | Analysis |
| 5 | Uplands College Open (B) | 2018-03-03 | 2018-03-03 | Standard | Ehlanzeni (MEN) | 5 | 5 | 3.5 | Yes | Analysis |
| 6 | Rob Ferreira Hoerskool Open 2018 (B) | 2018-03-17 | 2018-03-17 | Standard | Ehlanzeni (MEN) | 5 | 5 | 4 | Yes | Analysis |
| 7 | South African Junior Team Championships 2017 (U14C) | 2018-01-04 | 2018-01-08 | Standard | 4 Knights (4K) | 7 | 7 | 1.5 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 9 | TournamentRob Ferreira Hoerskool Open 2018 | TournamentPenryn Age Open 2018 | ||||||
| date2018-03-17 | rnd1 | typeStandard | result1 | date2018-04-21 | rnd4 | typeStandard | result1 | ||
| OpponentNtiwane, S (Siphesihle) | OpponentPringle, AB (Andeon) | ||||||||
| 2 | 5 | TournamentSouth African Junior Team Championships 2017 | TournamentUplands College Open | ||||||
| date2018-01-08 | rnd7 | typeStandard | result0.5 | date2018-03-03 | rnd4 | typeStandard | result1 | ||
| OpponentBotha, RO (Reagan) | OpponentGround, MS (Marshane) | ||||||||
| 3 | 4 | TournamentDe Goede Top 20 Closed 2018 | TournamentSouth African Junior Team Championships 2018 | ||||||
| date2018-08-18 | rnd5 | typeStandard | result1 | date2018-12-17 | rnd3 | typeStandard | result1 | ||
| OpponentSibanyoni, F (Fafa) | OpponentRobberts, M (Morne Christian) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 9 | TournamentRob Ferreira Hoerskool Open 2018 | TournamentPenryn Age Open 2018 | ||||||
| date2018-03-17 | rnd1 | typeStandard | result1 | date2018-04-21 | rnd4 | typeStandard | result1 | ||
| OpponentNtiwane, S (Siphesihle) | OpponentPringle, AB (Andeon) | ||||||||
| 2 | 5 | TournamentSouth African Junior Team Championships 2017 | TournamentUplands College Open | ||||||
| date2018-01-08 | rnd7 | typeStandard | result0.5 | date2018-03-03 | rnd4 | typeStandard | result1 | ||
| OpponentBotha, RO (Reagan) | OpponentGround, MS (Marshane) | ||||||||
| 3 | 4 | TournamentDe Goede Top 20 Closed 2018 | TournamentSouth African Junior Team Championships 2018 | ||||||
| date2018-08-18 | rnd5 | typeStandard | result1 | date2018-12-17 | rnd3 | typeStandard | result1 | ||
| OpponentSibanyoni, F (Fafa) | OpponentRobberts, M (Morne Christian) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | TournamentRob Ferreira Hoerskool Open 2018 | TournamentPenryn Age Open 2018 | ||||||
| date2018-03-17 | rnd5 | typeStandard | result1 | date2018-04-21 | rnd4 | typeStandard | result1 | ||
| OpponentGrobler, Z (Zander) | OpponentPringle, AB (Andeon) | ||||||||
| 2 | 2 | TournamentDe Goede Top 20 Closed 2018 | TournamentSouth African Junior Team Championships 2018 | ||||||
| date2018-08-18 | rnd5 | typeStandard | result1 | date2018-12-16 | rnd1 | typeStandard | result1 | ||
| OpponentSibanyoni, F (Fafa) | OpponentLosper, S (Simone) | ||||||||
| 3 | 2 | TournamentMalelane Primary 2018 | TournamentDe Goede Top 20 Closed 2018 | ||||||
| date2018-07-21 | rnd5 | typeStandard | result1 | date2018-08-18 | rnd1 | typeStandard | result1 | ||
| OpponentNortier, J (Jean) | OpponentJardim, R (Raphael) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | TournamentRob Ferreira Hoerskool Open 2018 | TournamentPenryn Age Open 2018 | ||||||
| date2018-03-17 | rnd5 | typeStandard | result1 | date2018-04-21 | rnd4 | typeStandard | result1 | ||
| OpponentGrobler, Z (Zander) | OpponentPringle, AB (Andeon) | ||||||||
| 2 | 2 | TournamentDe Goede Top 20 Closed 2018 | TournamentSouth African Junior Team Championships 2018 | ||||||
| date2018-08-18 | rnd5 | typeStandard | result1 | date2018-12-16 | rnd1 | typeStandard | result1 | ||
| OpponentSibanyoni, F (Fafa) | OpponentLosper, S (Simone) | ||||||||
| 3 | 2 | TournamentMalelane Primary 2018 | TournamentDe Goede Top 20 Closed 2018 | ||||||
| date2018-07-21 | rnd5 | typeStandard | result1 | date2018-08-18 | rnd1 | typeStandard | result1 | ||
| OpponentNortier, J (Jean) | OpponentJardim, R (Raphael) | ||||||||
| # | 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 | Rajeev ,R (Raghav) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 717.9 | 1142.9 | 725 | 1142.9 | 0 | 0 | 0 | 0 | ||||||
| 2 | Mazibuko ,T (Thembinkosi) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1074.7 | 1499.7 | 1085.3 | 1499.7 | 0 | 0 | 0 | 0 | ||||||
| 3 | Losper ,S (Simone) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1027.3 | 1452.3 | 1027.5 | 1452.3 | 0 | 0 | 0 | 0 | ||||||
| 4 | Ground ,MS (Marshane) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 708.2 | 1133.2 | 708.2 | 1133.2 | 0 | 0 | 0 | 0 | ||||||
| 5 | De Beer ,SJ (Stefanus) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1010.2 | 585.2 | 1006.7 | 585.2 | 0 | 0 | 0 | 0 | ||||||
| 6 | Mahlangu ,N (Ntsako) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 803.7 | 1228.7 | 861.6 | 1228.7 | 0 | 0 | 0 | 0 | ||||||
| 7 | Steyn ,C (Christopher) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 8 | Nkosi ,D (Dicken) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1139 | 714 | 1139 | 714 | 0 | 0 | 0 | 0 | ||||||
| 9 | Jardim ,R (Raphael) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 866.4 | 1291.4 | 874.3 | 1291.4 | 0 | 0 | 0 | 0 | ||||||
| 10 | Du Toit ,GJ (Gerhardus (Eghardt) Johannes) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1070.6 | 645.6 | 1070.6 | 645.6 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

