PLAYER PAGE
Personal
Keulder, D (Dirk)
Chess SA id
181091399FIDE id
?Date of birth
1981-11-04 (Adult)Gender
MaleRegion
Sedibeng (GSV)Citizen
RSATitles
Chess SA registered
NoLast active game
2025-10-18Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1301.6 | 1296.8 | 1300 | 1300 |
| Raw rating | 1301.6 | 1296.8 | 1300 | 1300 |
| Weighted rating | 1287.6 | 1278.3 | 1299.7 | 1299.7 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 801.6 | 796.8 | 800 | 800 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 143.5 | 144.5 | 143.8 | 143.8 |
| Highest rating | 1301.62025-11-01 | 1296.82025-11-01 | 13002024-02-01 | 13002024-02-01 |
| Highest raw rating | 1301.62025-11-01 | 1296.82025-11-01 | 13002024-02-01 | 13002024-02-01 |
| Highest weighted rating | 1287.62025-11-01 | 1278.32025-11-01 | 1296.72025-08-01 | 1296.72025-08-01 |
| Highest weighted performance | 12132023-09-01 | 1209.82023-09-01 | 12002024-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1301.6 | 1296.8 | 1300 | 1300 |
| Analysis | ||||
| Rating | 1301.6 | 1296.8 | 1300 | 1300 |
| Raw rating | 1301.6 | 1296.8 | 1300 | 1300 |
| Weighted rating | 1287.6 | 1278.3 | 1299.7 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 801.6 | 796.8 | 800 | 800 |
| Max/Min rating change allowed | 143.5 | 144.5 | 143.8 | 143.8 |
| 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 | 1301.6 | 1296.8 | 1300 | 1300 |
| New weighted rating | 1289 | 1280.1 | 1300 | 1300 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1301.6 | 1296.8 | 1300 | 1300 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1301.6 | 1296.8 | 1300 | 1300 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 801.6 | 796.8 | 800 | 800 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 2 | 2 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 5 | 5 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 11 | 11 | 0 | 0 |
| Games since | |||||||||||||||||
| Main2 | Standard2 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | Adult | ||||||||||||||||
| Region | Sedibeng (GSV) | ||||||||||||||||
| Province | Gauteng (GT) | ||||||||||||||||
| 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 | 2 | 1 | 50 | 0 | 1502.2 | 1502.2 |
| Standard | 2 | 1 | 50 | 0 | 1502.2 | 1502.2 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 7 | 3 | 42.86 | -60.7 | 1356.1 | 1295.4 |
| Standard | 7 | 3 | 42.86 | -60.7 | 1356.1 | 1295.4 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1301.6 | 1296.8 | 1300 | 1300 |
| 2025-09-30 | 1286.7 | 1277 | 1300 | 1300 |
| 2025-09-01 | 1286.7 | 1277 | 1300 | 1300 |
| 2025-08-01 | 1286.7 | 1277 | 1300 | 1300 |
| 2025-07-01 | 1286.7 | 1277 | 1300 | 1300 |
| 2025-06-01 | 1286.7 | 1277 | 1300 | 1300 |
| 2025-05-01 | 1286.7 | 1277 | 1300 | 1300 |
| 2025-04-01 | 1286.7 | 1277 | 1300 | 1300 |
| 2025-03-01 | 1286.7 | 1277 | 1300 | 1300 |
| 2025-02-01 | 1286.7 | 1277 | 1300 | 1300 |
| 2025-01-01 | 1286.7 | 1277 | 1300 | 1300 |
| 2024-12-01 | 1286.7 | 1277 | 1300 | 1300 |
| 2024-11-01 | 1286.7 | 1277 | 1300 | 1300 |
| 2024-10-01 | 1286.7 | 1277 | 1300 | 1300 |
| 2024-09-01 | 1286.7 | 1277 | 1300 | 1300 |
| 2024-08-01 | 1286.7 | 1277 | 1300 | 1300 |
| 2024-07-01 | 1286.7 | 1277 | 1300 | 1300 |
| 2024-09-01 | 1286.7 | 1277 | 1300 | 1300 |
| 2024-05-01 | 1286.7 | 1277 | 1300 | 1300 |
| 2024-04-01 | 1286.7 | 1277 | 1300 | 1300 |
| 2024-03-01 | 1286.7 | 1277 | 1300 | 1300 |
| 2024-02-01 | 1286.7 | 1277 | 1300 | 1300 |
| 2024-01-01 | 1286.7 | 1277 | 1300 | 1300 |
| 2023-12-01 | 1203.3 | 1203.2 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | LS Fonteine Open 18 Oct 2025 (A) | 2025-10-18 | 2025-10-18 | Standard | Sedibeng (GSV) | 5 | 2 | 1 | Yes | Analysis |
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | LS Fonteine Open 18 Oct 2025 (A) | 2025-10-18 | 2025-10-18 | Standard | Sedibeng (GSV) | 5 | 2 | 1 | Yes | Analysis |
| 2 | Fonteine Chess Open 2023 (A) | 2023-09-02 | 2023-09-02 | Standard | Sedibeng (GSV) | 5 | 5 | 2 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentFonteine Chess Open 2023 | TournamentFonteine Chess Open 2023 | ||||||
| date2023-09-02 | rnd1 | typeStandard | result1 | date2023-09-02 | rnd2 | typeStandard | result1 | ||
| OpponentVan Doorn, J (Johannes Bernardus) | OpponentDelport, C (Christiaan) | ||||||||
| 2 | 1 | TournamentLS Fonteine Open 18 Oct 2025 | TournamentLS Fonteine Open 18 Oct 2025 | ||||||
| date2025-10-18 | rnd1 | typeStandard | result1 | date2025-10-18 | rnd1 | typeStandard | result1 | ||
| OpponentMalilani, A (Atinatsa David) | OpponentMalilani, A (Atinatsa David) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentFonteine Chess Open 2023 | TournamentFonteine Chess Open 2023 | ||||||
| date2023-09-02 | rnd1 | typeStandard | result1 | date2023-09-02 | rnd2 | typeStandard | result1 | ||
| OpponentVan Doorn, J (Johannes Bernardus) | OpponentDelport, C (Christiaan) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentFonteine Chess Open 2023 | TournamentFonteine Chess Open 2023 | ||||||
| date2023-09-02 | rnd1 | typeStandard | result1 | date2023-09-02 | rnd2 | typeStandard | result1 | ||
| OpponentVan Doorn, J (Johannes Bernardus) | OpponentDelport, C (Christiaan) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentFonteine Chess Open 2023 | TournamentFonteine Chess Open 2023 | ||||||
| date2023-09-02 | rnd1 | typeStandard | result1 | date2023-09-02 | rnd2 | typeStandard | result1 | ||
| OpponentVan Doorn, J (Johannes Bernardus) | OpponentDelport, C (Christiaan) | ||||||||
| # | 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 | Marais ,CJ (Coenraad Johannes) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1261.1 | 836.1 | 1277.1 | 836.1 | 0 | 0 | 0 | 0 | ||||||
| 2 | De Villiers ,H (Hj) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1419.1 | 994.1 | 1411.1 | 994.1 | 0 | 0 | 0 | 0 | ||||||
| 3 | Malilani ,A (Atinatsa David) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1682.3 | 2107.3 | 1678.2 | 2107.3 | 0 | 0 | 0 | 0 | ||||||
| 4 | Van Doorn ,J (Johannes Bernardus) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1159.7 | 1584.7 | 1150.3 | 1584.7 | 0 | 0 | 0 | 0 | ||||||
| 5 | Delport ,C (Christiaan) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 6 | Naidoo ,D (Dhiya) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1509.4 | 1084.4 | 1510.7 | 1084.4 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|