PLAYER PAGE
Personal
De Haast, M (Marinus)
Chess SA id
1070141922FIDE id
?Date of birth
2007-03-27 (U20)Gender
MaleRegion
Sedibeng (GSV)Citizen
RSATitles
Chess SA registered
NoLast active game
2024-09-21Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1169.8 | 1162.6 | 1200 | 1200 |
| Raw rating | 1169.8 | 1162.6 | 1200 | 1200 |
| Weighted rating | 1168.3 | 1160.8 | 1200 | 1200 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 700 | 700 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 173.1 | 174.9 | 165.8 | 165.8 |
| Highest rating | 12002018-10-01 | 12002018-10-01 | 12002018-10-01 | 12002018-10-01 |
| Highest raw rating | 12002020-01-01 | 12002020-01-01 | 12002024-02-01 | 12002024-02-01 |
| Highest weighted rating | 12002018-10-01 | 12002018-10-01 | 12002018-10-01 | 12002018-10-01 |
| Highest weighted performance | 12002020-01-01 | 12002020-01-01 | 12002024-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1169.8 | 1162.6 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1169.8 | 1162.6 | 1200 | 1200 |
| Raw rating | 1169.8 | 1162.6 | 1200 | 1200 |
| Weighted rating | 1168.3 | 1160.8 | 1200 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 700 | 700 | 700 | 700 |
| Max/Min rating change allowed | 173.1 | 174.9 | 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 | 1169.8 | 1162.6 | 1200 | 1200 |
| New weighted rating | 1168.3 | 1160.7 | 1200 | 1200 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1169.8 | 1162.6 | 1200 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1169.8 | 1162.6 | 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 | |
| 4 | 4 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 5 | 5 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 9 | 9 | 0 | 0 |
| Games since | |||||||||||||||||
| Main4 | Standard4 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U20 | ||||||||||||||||
| Region | Sedibeng (GSV) | ||||||||||||||||
| Province | Gauteng (GT) | ||||||||||||||||
| 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 | 9 | 3 | 33.33 | -141.7 | 1195.3 | 1053.7 |
| Standard | 9 | 3 | 33.33 | -141.7 | 1195.3 | 1053.7 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1169.8 | 1162.6 | 1200 | 1200 |
| 2025-09-30 | 1169.8 | 1162.6 | 1200 | 1200 |
| 2025-09-01 | 1169.8 | 1162.6 | 1200 | 1200 |
| 2025-08-01 | 1169.8 | 1162.6 | 1200 | 1200 |
| 2025-07-01 | 1169.8 | 1162.6 | 1200 | 1200 |
| 2025-06-01 | 1169.8 | 1162.6 | 1200 | 1200 |
| 2025-05-01 | 1169.8 | 1162.6 | 1200 | 1200 |
| 2025-04-01 | 1169.8 | 1162.6 | 1200 | 1200 |
| 2025-03-01 | 1169.8 | 1162.6 | 1200 | 1200 |
| 2025-02-01 | 1168.8 | 1161.4 | 1200 | 1200 |
| 2025-01-01 | 1150.5 | 1139.6 | 1200 | 1200 |
| 2024-12-01 | 1150.5 | 1139.6 | 1200 | 1200 |
| 2024-11-01 | 1150.5 | 1139.6 | 1200 | 1200 |
| 2024-10-01 | 1150.5 | 1139.6 | 1200 | 1200 |
| 2024-09-01 | 1179.4 | 1174 | 1200 | 1200 |
| 2024-08-01 | 1179.4 | 1174 | 1200 | 1200 |
| 2024-07-01 | 1179.4 | 1174 | 1200 | 1200 |
| 2024-09-01 | 1179.4 | 1174 | 1200 | 1200 |
| 2024-05-01 | 1179.4 | 1174 | 1200 | 1200 |
| 2024-04-01 | 1179.4 | 1174 | 1200 | 1200 |
| 2024-03-01 | 1179.4 | 1174 | 1200 | 1200 |
| 2024-02-01 | 1179.4 | 1174 | 1200 | 1200 |
| 2024-01-01 | 1179.4 | 1174 | 1200 | 1200 |
| 2023-12-01 | 1179.4 | 1174 | 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 | Centurion Chess Open Tournament 2024 (C) | 2024-09-21 | 2024-09-21 | Standard | Tshwane (GTP) | 5 | 4 | 1 | Yes | Analysis |
| 2 | Gaueng Schools D7 2022 (U15 Boys) | 2022-06-04 | 2022-06-04 | Standard | Sedibeng (GSV) | 5 | 5 | 2 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | TournamentCenturion Chess Open Tournament 2024 | TournamentCenturion Chess Open Tournament 2024 | ||||||
| date2024-09-21 | rnd4 | typeStandard | result1 | date2024-09-21 | rnd4 | typeStandard | result1 | ||
| OpponentStander, C (Christiaan) | OpponentStander, C (Christiaan) | ||||||||
| 2 | 1 | TournamentGaueng Schools D7 2022 | TournamentGaueng Schools D7 2022 | ||||||
| date2022-06-04 | rnd3 | typeStandard | result1 | date2022-06-04 | rnd3 | typeStandard | result1 | ||
| OpponentRamohomane, K (Kelebogile) | OpponentRamohomane, K (Kelebogile) | ||||||||
| 3 | 1 | TournamentGaueng Schools D7 2022 | TournamentGaueng Schools D7 2022 | ||||||
| date2022-06-04 | rnd1 | typeStandard | result1 | date2022-06-04 | rnd1 | typeStandard | result1 | ||
| OpponentRoelofs, I (Ian) | OpponentRoelofs, I (Ian) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | TournamentCenturion Chess Open Tournament 2024 | TournamentCenturion Chess Open Tournament 2024 | ||||||
| date2024-09-21 | rnd4 | typeStandard | result1 | date2024-09-21 | rnd4 | typeStandard | result1 | ||
| OpponentStander, C (Christiaan) | OpponentStander, C (Christiaan) | ||||||||
| 2 | 1 | TournamentGaueng Schools D7 2022 | TournamentGaueng Schools D7 2022 | ||||||
| date2022-06-04 | rnd3 | typeStandard | result1 | date2022-06-04 | rnd3 | typeStandard | result1 | ||
| OpponentRamohomane, K (Kelebogile) | OpponentRamohomane, K (Kelebogile) | ||||||||
| 3 | 1 | TournamentGaueng Schools D7 2022 | TournamentGaueng Schools D7 2022 | ||||||
| date2022-06-04 | rnd1 | typeStandard | result1 | date2022-06-04 | rnd1 | typeStandard | result1 | ||
| OpponentRoelofs, I (Ian) | OpponentRoelofs, I (Ian) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | TournamentCenturion Chess Open Tournament 2024 | TournamentCenturion Chess Open Tournament 2024 | ||||||
| date2024-09-21 | rnd4 | typeStandard | result1 | date2024-09-21 | rnd4 | typeStandard | result1 | ||
| OpponentStander, C (Christiaan) | OpponentStander, C (Christiaan) | ||||||||
| 2 | 1 | TournamentGaueng Schools D7 2022 | TournamentGaueng Schools D7 2022 | ||||||
| date2022-06-04 | rnd3 | typeStandard | result1 | date2022-06-04 | rnd3 | typeStandard | result1 | ||
| OpponentRamohomane, K (Kelebogile) | OpponentRamohomane, K (Kelebogile) | ||||||||
| 3 | 1 | TournamentGaueng Schools D7 2022 | TournamentGaueng Schools D7 2022 | ||||||
| date2022-06-04 | rnd1 | typeStandard | result1 | date2022-06-04 | rnd1 | typeStandard | result1 | ||
| OpponentRoelofs, I (Ian) | OpponentRoelofs, I (Ian) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | TournamentCenturion Chess Open Tournament 2024 | TournamentCenturion Chess Open Tournament 2024 | ||||||
| date2024-09-21 | rnd4 | typeStandard | result1 | date2024-09-21 | rnd4 | typeStandard | result1 | ||
| OpponentStander, C (Christiaan) | OpponentStander, C (Christiaan) | ||||||||
| 2 | 1 | TournamentGaueng Schools D7 2022 | TournamentGaueng Schools D7 2022 | ||||||
| date2022-06-04 | rnd3 | typeStandard | result1 | date2022-06-04 | rnd3 | typeStandard | result1 | ||
| OpponentRamohomane, K (Kelebogile) | OpponentRamohomane, K (Kelebogile) | ||||||||
| 3 | 1 | TournamentGaueng Schools D7 2022 | TournamentGaueng Schools D7 2022 | ||||||
| date2022-06-04 | rnd1 | typeStandard | result1 | date2022-06-04 | rnd1 | typeStandard | result1 | ||
| OpponentRoelofs, I (Ian) | OpponentRoelofs, I (Ian) | ||||||||
| # | 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 | Stander ,C (Christiaan) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1180.4 | 1605.4 | 1177.6 | 1605.4 | 0 | 0 | 0 | 0 | ||||||
| 2 | Bholo ,M (Mxolisi) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 3 | Badenhorst ,M (Michael) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1222.6 | 797.6 | 1204.6 | 797.6 | 0 | 0 | 0 | 0 | ||||||
| 4 | Ramohomane ,K (Kelebogile) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 5 | Jijana ,S (Siphokazi) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 6 | Chamo ,M (Mpho) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1086.2 | 661.2 | 1069.6 | 661.2 | 0 | 0 | 0 | 0 | ||||||
| 7 | Roelofs ,I (Ian) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1218.6 | 1643.6 | 1220.4 | 1643.6 | 0 | 0 | 0 | 0 | ||||||
| 8 | Nel ,J (Jacobus Johannes) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1224.8 | 799.8 | 1236.9 | 799.8 | 0 | 0 | 0 | 0 | ||||||
| 9 | Majola ,O (Omphile) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1225.2 | 800.2 | 1209.6 | 800.2 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

