PLAYER PAGE
Personal
Derman, L (Logan)
Chess SA id
1090147345FIDE id
?Date of birth
2009-03-10 (U18)Gender
MaleRegion
West Coast (WCU)Citizen
RSATitles
Chess SA registered
NoLast active game
2022-10-29Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1209.6 | 1200 | 1225.2 | 1200 |
| Raw rating | 1209.6 | 1200 | 1225.2 | 1200 |
| Weighted rating | 1209.6 | 1200 | 1225.2 | 1200 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 709.6 | 700 | 725.2 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 163.6 | 165.8 | 160 | 165.8 |
| Highest rating | 1223.62022-10-01 | 12002018-10-01 | 1326.32022-10-01 | 12002018-10-01 |
| Highest raw rating | 1209.62024-02-01 | 12002024-02-01 | 1225.22024-02-01 | 12002024-02-01 |
| Highest weighted rating | 1209.62024-10-01 | 12002018-10-01 | 1225.22024-10-01 | 12002018-10-01 |
| Highest weighted performance | 1223.62022-10-01 | 12002024-02-01 | 1326.32022-10-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1209.6 | 1200 | 1225.2 | 1200 |
| Analysis | ||||
| Rating | 1209.6 | 1200 | 1225.2 | 1200 |
| Raw rating | 1209.6 | 1200 | 1225.2 | 1200 |
| Weighted rating | 1209.6 | 1200 | 1225.2 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 709.6 | 700 | 725.2 | 700 |
| Max/Min rating change allowed | 163.6 | 165.8 | 160 | 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 | 1209.6 | 1200 | 1225.2 | 1200 |
| New weighted rating | 1209.6 | 1200 | 1225.2 | 1200 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1209.6 | 1200 | 1225.2 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1209.6 | 1200 | 1225.2 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 709.6 | 700 | 725.2 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 5 | 0 | 5 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 5 | 0 | 5 | 0 |
| Games since | |||||||||||||||||
| Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U18 | ||||||||||||||||
| Region | West Coast (WCU) | ||||||||||||||||
| Province | Western Cape (WC) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U18 | -1 | -1 | -1 | ||||||||||||||
| U18 Male | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U18 | -1 | -1 | -1 | ||||||||||||||
| U18 Male | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U18 | -1 | -1 | -1 | ||||||||||||||
| U18 Male | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U18 | -1 | -1 | -1 | ||||||||||||||
| U18 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 | 5 | 3 | 60 | 85 | 1190.8 | 1275.8 |
| Standard | 0 | 0 | 0 | 0 | 0 | 0 |
| Rapid | 5 | 3 | 60 | 85 | 1190.8 | 1275.8 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1209.6 | 1200 | 1225.2 | 1200 |
| 2025-09-30 | 1209.6 | 1200 | 1225.2 | 1200 |
| 2025-09-01 | 1209.6 | 1200 | 1225.2 | 1200 |
| 2025-08-01 | 1209.6 | 1200 | 1225.2 | 1200 |
| 2025-07-01 | 1209.6 | 1200 | 1225.2 | 1200 |
| 2025-06-01 | 1209.6 | 1200 | 1225.2 | 1200 |
| 2025-05-01 | 1209.6 | 1200 | 1225.2 | 1200 |
| 2025-04-01 | 1209.6 | 1200 | 1225.2 | 1200 |
| 2025-03-01 | 1209.6 | 1200 | 1225.2 | 1200 |
| 2025-02-01 | 1209.6 | 1200 | 1225.2 | 1200 |
| 2025-01-01 | 1209.6 | 1200 | 1225.2 | 1200 |
| 2024-12-01 | 1209.6 | 1200 | 1225.2 | 1200 |
| 2024-11-01 | 1209.6 | 1200 | 1225.2 | 1200 |
| 2024-10-01 | 1209.6 | 1200 | 1225.2 | 1200 |
| 2024-09-01 | 1209.6 | 1200 | 1225.2 | 1200 |
| 2024-08-01 | 1209.6 | 1200 | 1225.2 | 1200 |
| 2024-07-01 | 1209.6 | 1200 | 1225.2 | 1200 |
| 2024-09-01 | 1209.6 | 1200 | 1225.2 | 1200 |
| 2024-05-01 | 1209.6 | 1200 | 1225.2 | 1200 |
| 2024-04-01 | 1209.6 | 1200 | 1225.2 | 1200 |
| 2024-03-01 | 1209.6 | 1200 | 1225.2 | 1200 |
| 2024-02-01 | 1209.6 | 1200 | 1225.2 | 1200 |
| 2024-01-01 | 1209.6 | 1200 | 1225.2 | 1200 |
| 2023-12-01 | 1209.6 | 1200 | 1225.2 | 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 | West Coast Schools Chess Grand Challenge 2022 (PS Development) | 2022-10-29 | 2022-10-29 | Rapid | West Coast (WCU) | 5 | 5 | 3 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentWest Coast Schools Chess Grand Challenge 2022 | TournamentWest Coast Schools Chess Grand Challenge 2022 | ||||||
| date2022-10-29 | rnd1 | typeRapid | result1 | date2022-10-29 | rnd2 | typeRapid | result1 | ||
| OpponentTieties, N (Nicola) | OpponentKoegelenberg, L (Louw) | ||||||||
| 2 | 1 | TournamentWest Coast Schools Chess Grand Challenge 2022 | TournamentWest Coast Schools Chess Grand Challenge 2022 | ||||||
| date2022-10-29 | rnd4 | typeRapid | result1 | date2022-10-29 | rnd4 | typeRapid | result1 | ||
| OpponentLombard, N (Naydon) | OpponentLombard, N (Naydon) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentWest Coast Schools Chess Grand Challenge 2022 | TournamentWest Coast Schools Chess Grand Challenge 2022 | ||||||
| date2022-10-29 | rnd1 | typeRapid | result1 | date2022-10-29 | rnd2 | typeRapid | result1 | ||
| OpponentTieties, N (Nicola) | OpponentKoegelenberg, L (Louw) | ||||||||
| 2 | 1 | TournamentWest Coast Schools Chess Grand Challenge 2022 | TournamentWest Coast Schools Chess Grand Challenge 2022 | ||||||
| date2022-10-29 | rnd4 | typeRapid | result1 | date2022-10-29 | rnd4 | typeRapid | result1 | ||
| OpponentLombard, N (Naydon) | OpponentLombard, N (Naydon) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentWest Coast Schools Chess Grand Challenge 2022 | TournamentWest Coast Schools Chess Grand Challenge 2022 | ||||||
| date2022-10-29 | rnd1 | typeRapid | result1 | date2022-10-29 | rnd2 | typeRapid | result1 | ||
| OpponentTieties, N (Nicola) | OpponentKoegelenberg, L (Louw) | ||||||||
| 2 | 1 | TournamentWest Coast Schools Chess Grand Challenge 2022 | TournamentWest Coast Schools Chess Grand Challenge 2022 | ||||||
| date2022-10-29 | rnd4 | typeRapid | result1 | date2022-10-29 | rnd4 | typeRapid | result1 | ||
| OpponentLombard, N (Naydon) | OpponentLombard, N (Naydon) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentWest Coast Schools Chess Grand Challenge 2022 | TournamentWest Coast Schools Chess Grand Challenge 2022 | ||||||
| date2022-10-29 | rnd1 | typeRapid | result1 | date2022-10-29 | rnd2 | typeRapid | result1 | ||
| OpponentTieties, N (Nicola) | OpponentKoegelenberg, L (Louw) | ||||||||
| 2 | 1 | TournamentWest Coast Schools Chess Grand Challenge 2022 | TournamentWest Coast Schools Chess Grand Challenge 2022 | ||||||
| date2022-10-29 | rnd4 | typeRapid | result1 | date2022-10-29 | rnd4 | typeRapid | result1 | ||
| OpponentLombard, N (Naydon) | OpponentLombard, N (Naydon) | ||||||||
| # | 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 | Koegelenberg ,L (Louw) | 1 | 1 | 425 | 0 | 0 | 0 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1218.3 | 1643.3 | 0 | 0 | 1255.9 | 1643.3 | 0 | 0 | ||||||
| 2 | Shoshola ,D (Diego) | 1 | 0 | -425 | 0 | 0 | 0 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1200.5 | 775.5 | 0 | 0 | 1219.5 | 775.5 | 0 | 0 | ||||||
| 3 | Lombard ,N (Naydon) | 1 | 1 | 425 | 0 | 0 | 0 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1162.8 | 1587.8 | 0 | 0 | 1144.8 | 1587.8 | 0 | 0 | ||||||
| 4 | Raath ,L (Lisa) | 1 | 0 | -425 | 0 | 0 | 0 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1153.5 | 728.5 | 0 | 0 | 1204.8 | 728.5 | 0 | 0 | ||||||
| 5 | Tieties ,N (Nicola) | 1 | 1 | 425 | 0 | 0 | 0 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1218.9 | 1643.9 | 0 | 0 | 1318.4 | 1643.9 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|