PLAYER PAGE
Personal
Pieterse, K (Kosie)
Chess SA id
1130302154FIDE id
?Date of birth
2013-07-29 (U14)Gender
MaleRegion
Bojanala Platina (NBR)Citizen
RSATitles
Chess SA registered
NoLast active game
2024-04-20Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1208.6 | 1209.6 | 1200 | 1200 |
| Raw rating | 1208.6 | 1209.6 | 1200 | 1200 |
| Weighted rating | 1208.2 | 1209.1 | 1200 | 1200 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 708.6 | 709.6 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 163.8 | 163.6 | 165.8 | 165.8 |
| Highest rating | 1260.92024-04-01 | 1254.52024-04-01 | 12002024-05-01 | 12002024-05-01 |
| Highest raw rating | 1208.62024-05-01 | 1209.62024-05-01 | 12002024-05-01 | 12002024-05-01 |
| Highest weighted rating | 1208.62024-10-01 | 1209.62024-10-01 | 12002024-05-01 | 12002024-05-01 |
| Highest weighted performance | 1260.92024-04-01 | 1254.52024-04-01 | 12002024-05-01 | 12002024-05-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1208.6 | 1209.6 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1208.6 | 1209.6 | 1200 | 1200 |
| Raw rating | 1208.6 | 1209.6 | 1200 | 1200 |
| Weighted rating | 1208.2 | 1209.1 | 1200 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 708.6 | 709.6 | 700 | 700 |
| Max/Min rating change allowed | 163.8 | 163.6 | 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 | 1208.6 | 1209.6 | 1200 | 1200 |
| New weighted rating | 1208.3 | 1209.3 | 1200 | 1200 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1208.6 | 1209.6 | 1200 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1208.6 | 1209.6 | 1200 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 708.6 | 709.6 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 5 | 5 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 5 | 5 | 0 | 0 |
| Games since | |||||||||||||||||
| Main5 | Standard5 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U14 | ||||||||||||||||
| Region | Bojanala Platina (NBR) | ||||||||||||||||
| Province | Northwest (NW) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U14 | -1 | -1 | -1 | ||||||||||||||
| U14 Male | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U14 | -1 | -1 | -1 | ||||||||||||||
| U14 Male | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U14 | -1 | -1 | -1 | ||||||||||||||
| U14 Male | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U14 | -1 | -1 | -1 | ||||||||||||||
| U14 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 | 1167.7 | 1252.7 |
| Standard | 5 | 3 | 60 | 85 | 1167.7 | 1252.7 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1208.6 | 1209.6 | 1200 | 1200 |
| 2025-09-30 | 1208.6 | 1209.6 | 1200 | 1200 |
| 2025-09-01 | 1208.6 | 1209.6 | 1200 | 1200 |
| 2025-08-01 | 1208.6 | 1209.6 | 1200 | 1200 |
| 2025-07-01 | 1208.6 | 1209.6 | 1200 | 1200 |
| 2025-06-01 | 1208.6 | 1209.6 | 1200 | 1200 |
| 2025-05-01 | 1208.6 | 1209.6 | 1200 | 1200 |
| 2025-04-01 | 1208.6 | 1209.6 | 1200 | 1200 |
| 2025-03-01 | 1208.6 | 1209.6 | 1200 | 1200 |
| 2025-02-01 | 1208.6 | 1209.6 | 1200 | 1200 |
| 2025-01-01 | 1208.6 | 1209.6 | 1200 | 1200 |
| 2024-12-01 | 1208.6 | 1209.6 | 1200 | 1200 |
| 2024-11-01 | 1208.6 | 1209.6 | 1200 | 1200 |
| 2024-10-01 | 1208.6 | 1209.6 | 1200 | 1200 |
| 2024-09-01 | 1208.6 | 1209.6 | 1200 | 1200 |
| 2024-08-01 | 1208.6 | 1209.6 | 1200 | 1200 |
| 2024-07-01 | 1208.6 | 1209.6 | 1200 | 1200 |
| 2024-09-01 | 1208.6 | 1209.6 | 1200 | 1200 |
| 2024-05-01 | 1208.6 | 1209.6 | 1200 | 1200 |
| 2024-04-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-03-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-02-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-01-01 | 1200 | 1200 | 1200 | 1200 |
| 2023-12-01 | 1200 | 1200 | 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 | Bojanala Olienpark's One For The Ages 2024 (Development) | 2024-04-20 | 2024-04-20 | Standard | Bojanala Platina (NBR) | 5 | 5 | 3 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentBojanala Olienpark's One For The Ages 2024 | TournamentBojanala Olienpark's One For The Ages 2024 | ||||||
| date2024-04-20 | rnd4 | typeStandard | result1 | date2024-04-20 | rnd5 | typeStandard | result1 | ||
| OpponentHelberg, L (Lindie) | OpponentSmit, R (Rudi) | ||||||||
| 2 | 1 | TournamentBojanala Olienpark's One For The Ages 2024 | TournamentBojanala Olienpark's One For The Ages 2024 | ||||||
| date2024-04-20 | rnd1 | typeStandard | result1 | date2024-04-20 | rnd1 | typeStandard | result1 | ||
| OpponentKruger, N (Nathan) | OpponentKruger, N (Nathan) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentBojanala Olienpark's One For The Ages 2024 | TournamentBojanala Olienpark's One For The Ages 2024 | ||||||
| date2024-04-20 | rnd4 | typeStandard | result1 | date2024-04-20 | rnd5 | typeStandard | result1 | ||
| OpponentHelberg, L (Lindie) | OpponentSmit, R (Rudi) | ||||||||
| 2 | 1 | TournamentBojanala Olienpark's One For The Ages 2024 | TournamentBojanala Olienpark's One For The Ages 2024 | ||||||
| date2024-04-20 | rnd1 | typeStandard | result1 | date2024-04-20 | rnd1 | typeStandard | result1 | ||
| OpponentKruger, N (Nathan) | OpponentKruger, N (Nathan) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentBojanala Olienpark's One For The Ages 2024 | TournamentBojanala Olienpark's One For The Ages 2024 | ||||||
| date2024-04-20 | rnd4 | typeStandard | result1 | date2024-04-20 | rnd5 | typeStandard | result1 | ||
| OpponentHelberg, L (Lindie) | OpponentSmit, R (Rudi) | ||||||||
| 2 | 1 | TournamentBojanala Olienpark's One For The Ages 2024 | TournamentBojanala Olienpark's One For The Ages 2024 | ||||||
| date2024-04-20 | rnd1 | typeStandard | result1 | date2024-04-20 | rnd1 | typeStandard | result1 | ||
| OpponentKruger, N (Nathan) | OpponentKruger, N (Nathan) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentBojanala Olienpark's One For The Ages 2024 | TournamentBojanala Olienpark's One For The Ages 2024 | ||||||
| date2024-04-20 | rnd4 | typeStandard | result1 | date2024-04-20 | rnd5 | typeStandard | result1 | ||
| OpponentHelberg, L (Lindie) | OpponentSmit, R (Rudi) | ||||||||
| 2 | 1 | TournamentBojanala Olienpark's One For The Ages 2024 | TournamentBojanala Olienpark's One For The Ages 2024 | ||||||
| date2024-04-20 | rnd1 | typeStandard | result1 | date2024-04-20 | rnd1 | typeStandard | result1 | ||
| OpponentKruger, N (Nathan) | OpponentKruger, N (Nathan) | ||||||||
| # | 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 | Smit ,R (Rudi) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 2 | Laubscher ,J (Jean) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1213.9 | 788.9 | 1216.4 | 788.9 | 0 | 0 | 0 | 0 | ||||||
| 3 | Kruger ,N (Nathan) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1148.9 | 1573.9 | 1138.4 | 1573.9 | 0 | 0 | 0 | 0 | ||||||
| 4 | Diphoko ,P (Phitlhello) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1075.7 | 650.7 | 1052.3 | 650.7 | 0 | 0 | 0 | 0 | ||||||
| 5 | Helberg ,L (Lindie) | 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 |
|---|---|---|---|---|---|---|---|---|

