PLAYER PAGE
Personal
Maass, J (Janco)
Chess SA id
1060095987FIDE id
?Date of birth
2006-09-16 (U20)Gender
MaleRegion
Lejweleputswa (FLW)Citizen
RSATitles
Chess SA registered
NoLast active game
2020-01-08Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 987.5 | 980.2 | 1200 | 1200 |
| Raw rating | 987.5 | 980.2 | 1200 | 1200 |
| Weighted rating | 987.5 | 980.2 | 1200 | 1200 |
| Weighted performance | 147.7 | 145.4 | 0 | 0 |
| Floor | 700 | 700 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 224.4 | 226.8 | 165.8 | 165.8 |
| Highest rating | 12002024-11-01 | 12002024-11-01 | 12002018-10-01 | 12002018-10-01 |
| Highest raw rating | 12002018-01-01 | 12002018-01-01 | 12002024-02-01 | 12002024-02-01 |
| Highest weighted rating | 12002024-11-01 | 12002024-11-01 | 12002018-10-01 | 12002018-10-01 |
| 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 | 987.5 | 980.2 | 1200 | 1200 |
| Analysis | ||||
| Rating | 987.5 | 980.2 | 1200 | 1200 |
| Raw rating | 987.5 | 980.2 | 1200 | 1200 |
| Weighted rating | 987.5 | 980.2 | 1200 | |
| Weighted performance | 147.7 | 145.4 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 700 | 700 | 700 | 700 |
| Max/Min rating change allowed | 224.4 | 226.8 | 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 | 987.5 | 980.2 | 1200 | 1200 |
| New weighted rating | 987.5 | 980.2 | 1200 | 1200 |
| New weighted performance | 142.9 | 140.6 | 0 | 0 |
| Temp new rating | 987.5 | 980.2 | 1200 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 987.5 | 980.2 | 1200 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 700 | 700 | 700 | 700 |
| 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 | 44 | 44 | 0 | 0 |
| Games since | |||||||||||||||||
| Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U20 | ||||||||||||||||
| Region | Lejweleputswa (FLW) | ||||||||||||||||
| Province | Free State (FS) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U20 | -1 | -1 | -1 | ||||||||||||||
| U20 Male | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U20 | -1 | -1 | -1 | ||||||||||||||
| U20 Male | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U20 | -1 | -1 | -1 | ||||||||||||||
| U20 Male | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U20 | -1 | -1 | -1 | ||||||||||||||
| U20 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 | 44 | 14 | 31.82 | -154.5 | 1040.1 | 885.6 |
| Standard | 44 | 14 | 31.82 | -154.5 | 1040.1 | 885.6 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 987.5 | 980.2 | 1200 | 1200 |
| 2025-09-30 | 987.5 | 980.2 | 1200 | 1200 |
| 2025-09-01 | 987.5 | 980.2 | 1200 | 1200 |
| 2025-08-01 | 987.5 | 980.2 | 1200 | 1200 |
| 2025-07-01 | 987.5 | 980.2 | 1200 | 1200 |
| 2025-06-01 | 987.5 | 980.2 | 1200 | 1200 |
| 2025-05-01 | 987.5 | 980.2 | 1200 | 1200 |
| 2025-04-01 | 987.5 | 980.2 | 1200 | 1200 |
| 2025-03-01 | 987.5 | 980.2 | 1200 | 1200 |
| 2025-02-01 | 987.5 | 980.2 | 1200 | 1200 |
| 2025-01-01 | 987.5 | 980.2 | 1200 | 1200 |
| 2024-12-01 | 987.5 | 980.2 | 1200 | 1200 |
| 2024-11-01 | 987.5 | 980.2 | 1200 | 1200 |
| 2024-10-01 | 987.5 | 980.2 | 1200 | 1200 |
| 2024-09-01 | 987.5 | 980.2 | 1200 | 1200 |
| 2024-08-01 | 987.5 | 980.2 | 1200 | 1200 |
| 2024-07-01 | 987.5 | 980.2 | 1200 | 1200 |
| 2024-09-01 | 987.5 | 980.2 | 1200 | 1200 |
| 2024-05-01 | 987.5 | 980.2 | 1200 | 1200 |
| 2024-04-01 | 987.5 | 980.2 | 1200 | 1200 |
| 2024-03-01 | 987.5 | 980.2 | 1200 | 1200 |
| 2024-02-01 | 987.5 | 980.2 | 1200 | 1200 |
| 2024-01-01 | 987.5 | 980.2 | 1200 | 1200 |
| 2023-12-01 | 987.5 | 980.2 | 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 |
|---|
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2019 South African Junior Team Championships (U14C) | 2020-01-04 | 2020-01-08 | Standard | 4 Knights (4K) | 7 | 7 | 0 | Yes | Analysis |
| 2 | Lejweleputswa 6th Qualifying Swiss Open Tournament 2019 (D) | 2019-05-25 | 2019-05-25 | Standard | Lejweleputswa (FLW) | 5 | 3 | 2 | Yes | Analysis |
| 3 | Lejweleputswa 4th Qualifying Swiss Open Tournament 2019 (D) | 2019-03-16 | 2019-03-16 | Standard | Lejweleputswa (FLW) | 5 | 5 | 2 | Yes | Analysis |
| 4 | Lejweleputswa 2nd Qualifying Swiss Open Tournament 2019 (D) | 2019-01-26 | 2019-01-26 | Standard | Lejweleputswa (FLW) | 5 | 3 | 2 | Yes | Analysis |
| 5 | South African Junior Team Championships 2018 (U14E) | 2018-12-16 | 2018-12-20 | Standard | 4 Knights (4K) | 7 | 6 | 2 | Yes | Analysis |
| 6 | Lejweleputswa 7th Qualifying Swiss Open Tournament 2018 (U14) | 2018-06-23 | 2018-06-23 | Standard | Lejweleputswa (FLW) | 5 | 4 | 1 | Yes | Analysis |
| 7 | Inter Regional 2018 (U14 Individual) | 2018-05-04 | 2018-05-05 | Standard | Frances Baard (NCF) | 5 | 5 | 3 | Yes | Analysis |
| 8 | Lejweleputswa 6th Qualifying Swiss Open Tournament 2018 (D) | 2018-05-26 | 2018-05-26 | Standard | Lejweleputswa (FLW) | 5 | 2 | 1 | Yes | Analysis |
| 9 | Lejweleputswa 3rd Qualifying Swiss Open Tournament 2018 (U14) | 2018-02-24 | 2018-02-24 | Standard | Lejweleputswa (FLW) | 5 | 4 | 0 | Yes | Analysis |
| 10 | Lejweleputswa 2nd Qualifying Swiss Open Tournament 2018 (G) | 2018-01-27 | 2018-01-27 | Standard | Lejweleputswa (FLW) | 5 | 5 | 1 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentInter Regional 2018 | TournamentInter Regional 2018 | ||||||
| date2018-05-05 | rnd3 | typeStandard | result1 | date2018-05-05 | rnd5 | typeStandard | result1 | ||
| OpponentMafila, D (Dimakatso) | OpponentBreedt, O (Owen) | ||||||||
| 2 | 2 | TournamentLejweleputswa 6th Qualifying Swiss Open Tournament 2019 | TournamentLejweleputswa 6th Qualifying Swiss Open Tournament 2019 | ||||||
| date2019-05-25 | rnd2 | typeStandard | result1 | date2019-05-25 | rnd3 | typeStandard | result1 | ||
| OpponentMadatulana, A (Anele) | OpponentRantsane , J (Junior) | ||||||||
| 3 | 2 | TournamentLejweleputswa 2nd Qualifying Swiss Open Tournament 2019 | TournamentLejweleputswa 2nd Qualifying Swiss Open Tournament 2019 | ||||||
| date2019-01-26 | rnd2 | typeStandard | result1 | date2019-01-26 | rnd3 | typeStandard | result1 | ||
| OpponentKholumo, T (Tladi) | OpponentVan Loggerenberg, T (Theunis) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentInter Regional 2018 | TournamentInter Regional 2018 | ||||||
| date2018-05-05 | rnd3 | typeStandard | result1 | date2018-05-05 | rnd5 | typeStandard | result1 | ||
| OpponentMafila, D (Dimakatso) | OpponentBreedt, O (Owen) | ||||||||
| 2 | 2 | TournamentLejweleputswa 6th Qualifying Swiss Open Tournament 2019 | TournamentLejweleputswa 6th Qualifying Swiss Open Tournament 2019 | ||||||
| date2019-05-25 | rnd2 | typeStandard | result1 | date2019-05-25 | rnd3 | typeStandard | result1 | ||
| OpponentMadatulana, A (Anele) | OpponentRantsane , J (Junior) | ||||||||
| 3 | 2 | TournamentLejweleputswa 2nd Qualifying Swiss Open Tournament 2019 | TournamentLejweleputswa 2nd Qualifying Swiss Open Tournament 2019 | ||||||
| date2019-01-26 | rnd2 | typeStandard | result1 | date2019-01-26 | rnd3 | typeStandard | result1 | ||
| OpponentKholumo, T (Tladi) | OpponentVan Loggerenberg, T (Theunis) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentInter Regional 2018 | TournamentInter Regional 2018 | ||||||
| date2018-05-05 | rnd3 | typeStandard | result1 | date2018-05-05 | rnd5 | typeStandard | result1 | ||
| OpponentMafila, D (Dimakatso) | OpponentBreedt, O (Owen) | ||||||||
| 2 | 2 | TournamentLejweleputswa 6th Qualifying Swiss Open Tournament 2019 | TournamentLejweleputswa 6th Qualifying Swiss Open Tournament 2019 | ||||||
| date2019-05-25 | rnd2 | typeStandard | result1 | date2019-05-25 | rnd3 | typeStandard | result1 | ||
| OpponentMadatulana, A (Anele) | OpponentRantsane , J (Junior) | ||||||||
| 3 | 2 | TournamentLejweleputswa 2nd Qualifying Swiss Open Tournament 2019 | TournamentLejweleputswa 2nd Qualifying Swiss Open Tournament 2019 | ||||||
| date2019-01-26 | rnd2 | typeStandard | result1 | date2019-01-26 | rnd3 | typeStandard | result1 | ||
| OpponentKholumo, T (Tladi) | OpponentVan Loggerenberg, T (Theunis) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentInter Regional 2018 | TournamentInter Regional 2018 | ||||||
| date2018-05-05 | rnd3 | typeStandard | result1 | date2018-05-05 | rnd5 | typeStandard | result1 | ||
| OpponentMafila, D (Dimakatso) | OpponentBreedt, O (Owen) | ||||||||
| 2 | 2 | TournamentLejweleputswa 6th Qualifying Swiss Open Tournament 2019 | TournamentLejweleputswa 6th Qualifying Swiss Open Tournament 2019 | ||||||
| date2019-05-25 | rnd2 | typeStandard | result1 | date2019-05-25 | rnd3 | typeStandard | result1 | ||
| OpponentMadatulana, A (Anele) | OpponentRantsane , J (Junior) | ||||||||
| 3 | 2 | TournamentLejweleputswa 2nd Qualifying Swiss Open Tournament 2019 | TournamentLejweleputswa 2nd Qualifying Swiss Open Tournament 2019 | ||||||
| date2019-01-26 | rnd2 | typeStandard | result1 | date2019-01-26 | rnd3 | typeStandard | result1 | ||
| OpponentKholumo, T (Tladi) | OpponentVan Loggerenberg, T (Theunis) | ||||||||
| # | 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 | Buitendag ,J (Janco) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 789.7 | 364.7 | 798.6 | 364.7 | 0 | 0 | 0 | 0 | ||||||
| 2 | Jonas ,N (Ntlantla) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1011.2 | 1436.2 | 987.2 | 1436.2 | 0 | 0 | 0 | 0 | ||||||
| 3 | Rantsane ,J (Junior) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1230.2 | 1655.2 | 1234.8 | 1655.2 | 0 | 0 | 0 | 0 | ||||||
| 4 | Marais ,JE (Jean Etienne) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 733.9 | 308.9 | 747.2 | 308.9 | 0 | 0 | 0 | 0 | ||||||
| 5 | Mbobo ,M (Mbali) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1109.3 | 684.3 | 1090.8 | 684.3 | 0 | 0 | 0 | 0 | ||||||
| 6 | Meyer ,AF (Anko) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 783 | 1208 | 760.1 | 1208 | 0 | 0 | 0 | 0 | ||||||
| 7 | Pillay ,D (Deeyan) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 687.9 | 262.9 | 711.2 | 262.9 | 0 | 0 | 0 | 0 | ||||||
| 8 | Adlem ,AJ (Aj) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1176 | 751 | 1168.6 | 751 | 0 | 0 | 0 | 0 | ||||||
| 9 | Mafila ,D (Dimakatso) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1169.9 | 1594.9 | 1200 | 1594.9 | 0 | 0 | 0 | 0 | ||||||
| 10 | Kholumo ,T (Tladi) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

