PLAYER PAGE
Personal
Van Der Merwe, M (Marthinus)
Chess SA id
1760134222FIDE id
?Date of birth
1976-09-28 (Adult)Gender
MaleRegion
Tshwane (GTP)Citizen
RSATitles
Chess SA registered
NoLast active game
2021-05-08Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1247 | 1231.2 | 1300 | 1300 |
| Raw rating | 1247 | 1231.2 | 1300 | 1300 |
| Weighted rating | 1246.8 | 1231.2 | 1299 | 1299 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 747 | 731.2 | 800 | 800 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 155.1 | 158.6 | 143.8 | 143.8 |
| Highest rating | 1341.52021-05-01 | 1329.92021-05-01 | 13002024-02-01 | 13002024-02-01 |
| Highest raw rating | 12472024-02-01 | 1231.22024-02-01 | 13002024-02-01 | 13002024-02-01 |
| Highest weighted rating | 1246.42025-08-01 | 1231.22024-02-01 | 1296.72025-08-01 | 1296.72025-08-01 |
| Highest weighted performance | 1341.52021-05-01 | 1329.92021-05-01 | 12002024-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1247 | 1231.2 | 1300 | 1300 |
| Analysis | ||||
| Rating | 1247 | 1231.2 | 1300 | 1300 |
| Raw rating | 1247 | 1231.2 | 1300 | 1300 |
| Weighted rating | 1246.8 | 1231.2 | 1299 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 747 | 731.2 | 800 | 800 |
| Max/Min rating change allowed | 155.1 | 158.6 | 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 | 1247 | 1231.2 | 1300 | 1300 |
| New weighted rating | 1247 | 1231.2 | 1299.7 | 1299.7 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1247 | 1231.2 | 1300 | 1300 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1247 | 1231.2 | 1300 | 1300 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 747 | 731.2 | 800 | 800 |
| 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 | |
| 5 | 5 | 0 | 0 | |
| History | 5 | 5 | 0 | 0 |
| Games since | |||||||||||||||||
| Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | Adult | ||||||||||||||||
| Region | Tshwane (GTP) | ||||||||||||||||
| 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 | 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 | 1253.3 | 1338.3 |
| Standard | 5 | 3 | 60 | 85 | 1253.3 | 1338.3 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-09-30 | 1247 | 1231.2 | 1300 | 1300 |
| 2025-09-01 | 1247 | 1231.2 | 1300 | 1300 |
| 2025-08-01 | 1247 | 1231.2 | 1300 | 1300 |
| 2025-07-01 | 1247 | 1231.2 | 1300 | 1300 |
| 2025-06-01 | 1247 | 1231.2 | 1300 | 1300 |
| 2025-05-01 | 1247 | 1231.2 | 1300 | 1300 |
| 2025-04-01 | 1247 | 1231.2 | 1300 | 1300 |
| 2025-03-01 | 1247 | 1231.2 | 1300 | 1300 |
| 2025-02-01 | 1247 | 1231.2 | 1300 | 1300 |
| 2025-01-01 | 1247 | 1231.2 | 1300 | 1300 |
| 2024-12-01 | 1247 | 1231.2 | 1300 | 1300 |
| 2024-11-01 | 1247 | 1231.2 | 1300 | 1300 |
| 2024-10-01 | 1247 | 1231.2 | 1300 | 1300 |
| 2024-09-01 | 1247 | 1231.2 | 1300 | 1300 |
| 2024-08-01 | 1247 | 1231.2 | 1300 | 1300 |
| 2024-07-01 | 1247 | 1231.2 | 1300 | 1300 |
| 2024-06-01 | 1247 | 1231.2 | 1300 | 1300 |
| 2024-08-01 | 1247 | 1231.2 | 1300 | 1300 |
| 2024-04-01 | 1247 | 1231.2 | 1300 | 1300 |
| 2024-03-01 | 1247 | 1231.2 | 1300 | 1300 |
| 2024-02-01 | 1247 | 1231.2 | 1300 | 1300 |
| 2024-01-01 | 1247 | 1231.2 | 1300 | 1300 |
| 2023-12-01 | 1228.2 | 1231.2 | 1200 | 1200 |
| 2023-11-01 | 1228.2 | 1231.2 | 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 | 2021 Chris Greyling Open Tournament (C) | 2021-05-08 | 2021-05-08 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | Tournament2021 Chris Greyling Open Tournament | Tournament2021 Chris Greyling Open Tournament | ||||||
| date2021-05-08 | rnd1 | typeStandard | result1 | date2021-05-08 | rnd2 | typeStandard | result1 | ||
| OpponentBoipelo, M (Moeketsane) | OpponentLotz, L (Leanu) | ||||||||
| 2 | 1 | Tournament2021 Chris Greyling Open Tournament | Tournament2021 Chris Greyling Open Tournament | ||||||
| date2021-05-08 | rnd5 | typeStandard | result1 | date2021-05-08 | rnd5 | typeStandard | result1 | ||
| OpponentMungal, Z (Zoey) | OpponentMungal, Z (Zoey) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | Tournament2021 Chris Greyling Open Tournament | Tournament2021 Chris Greyling Open Tournament | ||||||
| date2021-05-08 | rnd1 | typeStandard | result1 | date2021-05-08 | rnd2 | typeStandard | result1 | ||
| OpponentBoipelo, M (Moeketsane) | OpponentLotz, L (Leanu) | ||||||||
| 2 | 1 | Tournament2021 Chris Greyling Open Tournament | Tournament2021 Chris Greyling Open Tournament | ||||||
| date2021-05-08 | rnd5 | typeStandard | result1 | date2021-05-08 | rnd5 | typeStandard | result1 | ||
| OpponentMungal, Z (Zoey) | OpponentMungal, Z (Zoey) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | Tournament2021 Chris Greyling Open Tournament | Tournament2021 Chris Greyling Open Tournament | ||||||
| date2021-05-08 | rnd1 | typeStandard | result1 | date2021-05-08 | rnd2 | typeStandard | result1 | ||
| OpponentBoipelo, M (Moeketsane) | OpponentLotz, L (Leanu) | ||||||||
| 2 | 1 | Tournament2021 Chris Greyling Open Tournament | Tournament2021 Chris Greyling Open Tournament | ||||||
| date2021-05-08 | rnd5 | typeStandard | result1 | date2021-05-08 | rnd5 | typeStandard | result1 | ||
| OpponentMungal, Z (Zoey) | OpponentMungal, Z (Zoey) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | Tournament2021 Chris Greyling Open Tournament | Tournament2021 Chris Greyling Open Tournament | ||||||
| date2021-05-08 | rnd1 | typeStandard | result1 | date2021-05-08 | rnd2 | typeStandard | result1 | ||
| OpponentBoipelo, M (Moeketsane) | OpponentLotz, L (Leanu) | ||||||||
| 2 | 1 | Tournament2021 Chris Greyling Open Tournament | Tournament2021 Chris Greyling Open Tournament | ||||||
| date2021-05-08 | rnd5 | typeStandard | result1 | date2021-05-08 | rnd5 | typeStandard | result1 | ||
| OpponentMungal, Z (Zoey) | OpponentMungal, Z (Zoey) | ||||||||
| # | 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 | Boipelo ,M (Moeketsane) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 2 | Chauke ,G (Given) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1206.9 | 781.9 | 1208.3 | 781.9 | 0 | 0 | 0 | 0 | ||||||
| 3 | Lotz ,L (Leanu) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1236.4 | 1661.4 | 1212.9 | 1661.4 | 0 | 0 | 0 | 0 | ||||||
| 4 | Byliefeldt ,L (Leroux) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1338.4 | 913.4 | 1327.5 | 913.4 | 0 | 0 | 0 | 0 | ||||||
| 5 | Mungal ,Z (Zoey) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1284.9 | 1709.9 | 1259.8 | 1709.9 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|