PLAYER PAGE
Personal
Van Der Merwe, M (Marcus)
Chess SA id
1160302618FIDE id
?Date of birth
2016-01-07 (U10)Gender
MaleRegion
Ekurhuleni (GE)Citizen
RSATitles
Chess SA registered
NoLast active game
2025-08-16Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1274 | 1219.2 | 1305.9 | 1200 |
| Raw rating | 1274 | 1219.2 | 1305.9 | 1200 |
| Weighted rating | 1241.2 | 1206.8 | 1265.8 | 1200 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 774 | 719.2 | 805.9 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 149.2 | 161.4 | 142.6 | 165.8 |
| Highest rating | 1376.92024-04-01 | 1219.22025-09-01 | 14572024-04-01 | 12002024-05-01 |
| Highest raw rating | 12742025-09-01 | 1219.22025-09-01 | 1305.92025-09-01 | 12002024-05-01 |
| Highest weighted rating | 1233.72025-09-01 | 1204.22025-09-01 | 1257.62024-10-01 | 12002024-05-01 |
| Highest weighted performance | 1376.92024-04-01 | 12102024-09-01 | 14572024-04-01 | 12002024-05-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1274 | 1219.2 | 1305.9 | 1200 |
| Analysis | ||||
| Rating | 1274 | 1219.2 | 1305.9 | 1200 |
| Raw rating | 1274 | 1219.2 | 1305.9 | 1200 |
| Weighted rating | 1241.2 | 1206.8 | 1265.8 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 774 | 719.2 | 805.9 | 700 |
| Max/Min rating change allowed | 149.2 | 161.4 | 142.6 | 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 | 1274 | 1219.2 | 1305.9 | 1200 |
| New weighted rating | 1244.6 | 1207.9 | 1270.2 | 1200 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1274 | 1219.2 | 1305.9 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1274 | 1219.2 | 1305.9 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 774 | 719.2 | 805.9 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 8 | 5 | 3 | 0 | |
| 9 | 4 | 5 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 17 | 9 | 8 | 0 |
| Games since | |||||||||||||||||
| Main17 | Standard9 | Rapid8 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U10 | ||||||||||||||||
| Region | Ekurhuleni (GE) | ||||||||||||||||
| Province | Gauteng (GT) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U10 | -1 | -1 | -1 | ||||||||||||||
| U10 Male | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U10 | -1 | -1 | -1 | ||||||||||||||
| U10 Male | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U10 | -1 | -1 | -1 | ||||||||||||||
| U10 Male | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U10 | -1 | -1 | -1 | ||||||||||||||
| U10 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 | 8 | 6 | 75 | 212.5 | 1205.3 | 1417.8 |
| Standard | 5 | 3 | 60 | 85 | 1208.5 | 1293.5 |
| Rapid | 3 | 3 | 100 | 425 | 1200 | 1625 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 17 | 12 | 70.59 | 175 | 1207.6 | 1382.6 |
| Standard | 9 | 5 | 55.56 | 47.2 | 1220.8 | 1268 |
| Rapid | 8 | 7 | 87.5 | 318.8 | 1192.8 | 1511.5 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1274 | 1219.2 | 1305.9 | 1200 |
| 2025-09-30 | 1274 | 1219.2 | 1305.9 | 1200 |
| 2025-09-01 | 1274 | 1219.2 | 1305.9 | 1200 |
| 2025-08-01 | 1233.7 | 1204 | 1257.6 | 1200 |
| 2025-07-01 | 1233.7 | 1204 | 1257.6 | 1200 |
| 2025-06-01 | 1233.7 | 1204 | 1257.6 | 1200 |
| 2025-05-01 | 1233.7 | 1204 | 1257.6 | 1200 |
| 2025-04-01 | 1233.7 | 1204 | 1257.6 | 1200 |
| 2025-03-01 | 1233.7 | 1204 | 1257.6 | 1200 |
| 2025-02-01 | 1233.7 | 1204 | 1257.6 | 1200 |
| 2025-01-01 | 1233.7 | 1204 | 1257.6 | 1200 |
| 2024-12-01 | 1233.7 | 1204 | 1257.6 | 1200 |
| 2024-11-01 | 1233.7 | 1204 | 1257.6 | 1200 |
| 2024-10-01 | 1233.7 | 1204 | 1257.6 | 1200 |
| 2024-09-01 | 1233.4 | 1200 | 1257.6 | 1200 |
| 2024-08-01 | 1233.4 | 1200 | 1257.6 | 1200 |
| 2024-07-01 | 1233.4 | 1200 | 1257.6 | 1200 |
| 2024-09-01 | 1233.4 | 1200 | 1257.6 | 1200 |
| 2024-05-01 | 1233.4 | 1200 | 1257.6 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Ekurhuleni North Schools Teams 2025 (U9) | 2025-08-16 | 2025-08-16 | Standard | Ekurhuleni (GE) | 5 | 5 | 3 | Yes | Analysis |
| 2 | Kempton Park Team Clusters LS 2025 (U9) | 2025-07-26 | 2025-07-26 | Rapid | Ekurhuleni (GE) | 5 | 3 | 3 | Yes | Analysis |
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Ekurhuleni North Schools Teams 2025 (U9) | 2025-08-16 | 2025-08-16 | Standard | Ekurhuleni (GE) | 5 | 5 | 3 | Yes | Analysis |
| 2 | Kempton Park Team Clusters LS 2025 (U9) | 2025-07-26 | 2025-07-26 | Rapid | Ekurhuleni (GE) | 5 | 3 | 3 | Yes | Analysis |
| 3 | Ekurhuleni North Schools Finals - Teams 2024 (U9 Open) | 2024-08-03 | 2024-08-03 | Standard | Ekurhuleni (GE) | 5 | 4 | 2 | Yes | Analysis |
| 4 | Kempton Park Cluster Teams League 2024 (U9A) | 2024-04-13 | 2024-04-13 | Rapid | Ekurhuleni (GE) | 5 | 5 | 4 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 7 | TournamentEkurhuleni North Schools Finals - Teams 2024 | TournamentEkurhuleni North Schools Teams 2025 | ||||||
| date2024-08-03 | rnd5 | typeStandard | result1 | date2025-08-16 | rnd3 | typeStandard | result1 | ||
| OpponentZunguza, E (Edmilson) | OpponentMalan, S (Samuel) | ||||||||
| 2 | 4 | TournamentKempton Park Cluster Teams League 2024 | TournamentKempton Park Cluster Teams League 2024 | ||||||
| date2024-04-13 | rnd2 | typeRapid | result1 | date2024-04-13 | rnd5 | typeRapid | result1 | ||
| OpponentBaudoux, C (Courtinye) | OpponentLeshaba, L (Lwando) | ||||||||
| 3 | 1 | TournamentEkurhuleni North Schools Finals - Teams 2024 | TournamentEkurhuleni North Schools Finals - Teams 2024 | ||||||
| date2024-08-03 | rnd3 | typeStandard | result1 | date2024-08-03 | rnd3 | typeStandard | result1 | ||
| OpponentCibi, C (Chuma) | OpponentCibi, C (Chuma) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | TournamentEkurhuleni North Schools Finals - Teams 2024 | TournamentEkurhuleni North Schools Teams 2025 | ||||||
| date2024-08-03 | rnd5 | typeStandard | result1 | date2025-08-16 | rnd3 | typeStandard | result1 | ||
| OpponentZunguza, E (Edmilson) | OpponentMalan, S (Samuel) | ||||||||
| 2 | 1 | TournamentEkurhuleni North Schools Finals - Teams 2024 | TournamentEkurhuleni North Schools Finals - Teams 2024 | ||||||
| date2024-08-03 | rnd3 | typeStandard | result1 | date2024-08-03 | rnd3 | typeStandard | result1 | ||
| OpponentCibi, C (Chuma) | OpponentCibi, C (Chuma) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 7 | TournamentKempton Park Cluster Teams League 2024 | TournamentKempton Park Team Clusters LS 2025 | ||||||
| date2024-04-13 | rnd2 | typeRapid | result1 | date2025-07-26 | rnd3 | typeRapid | result1 | ||
| OpponentBaudoux, C (Courtinye) | OpponentCele, R (Rhulani) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 7 | TournamentEkurhuleni North Schools Finals - Teams 2024 | TournamentEkurhuleni North Schools Teams 2025 | ||||||
| date2024-08-03 | rnd5 | typeStandard | result1 | date2025-08-16 | rnd3 | typeStandard | result1 | ||
| OpponentZunguza, E (Edmilson) | OpponentMalan, S (Samuel) | ||||||||
| 2 | 4 | TournamentKempton Park Cluster Teams League 2024 | TournamentKempton Park Cluster Teams League 2024 | ||||||
| date2024-04-13 | rnd2 | typeRapid | result1 | date2024-04-13 | rnd5 | typeRapid | result1 | ||
| OpponentBaudoux, C (Courtinye) | OpponentLeshaba, L (Lwando) | ||||||||
| 3 | 1 | TournamentEkurhuleni North Schools Finals - Teams 2024 | TournamentEkurhuleni North Schools Finals - Teams 2024 | ||||||
| date2024-08-03 | rnd3 | typeStandard | result1 | date2024-08-03 | rnd3 | typeStandard | result1 | ||
| OpponentCibi, C (Chuma) | OpponentCibi, C (Chuma) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | TournamentEkurhuleni North Schools Finals - Teams 2024 | TournamentEkurhuleni North Schools Teams 2025 | ||||||
| date2024-08-03 | rnd5 | typeStandard | result1 | date2025-08-16 | rnd3 | typeStandard | result1 | ||
| OpponentZunguza, E (Edmilson) | OpponentMalan, S (Samuel) | ||||||||
| 2 | 1 | TournamentEkurhuleni North Schools Finals - Teams 2024 | TournamentEkurhuleni North Schools Finals - Teams 2024 | ||||||
| date2024-08-03 | rnd3 | typeStandard | result1 | date2024-08-03 | rnd3 | typeStandard | result1 | ||
| OpponentCibi, C (Chuma) | OpponentCibi, C (Chuma) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 7 | TournamentKempton Park Cluster Teams League 2024 | TournamentKempton Park Team Clusters LS 2025 | ||||||
| date2024-04-13 | rnd2 | typeRapid | result1 | date2025-07-26 | rnd3 | typeRapid | result1 | ||
| OpponentBaudoux, C (Courtinye) | OpponentCele, R (Rhulani) | ||||||||
| # | 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 | Mokokoane ,NK (Ntsoeu Keketso) | 2 | 0 | -425 | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1285.7 | 860.7 | 1277.8 | 860.7 | 1260.4 | 860.7 | 0 | 0 | ||||||
| 2 | Mashiane ,T (Thatego) | 2 | 1 | 0 | 1 | 0 | -425 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1200 | 1200 | 1200 | 775 | 1200 | 1625 | 0 | 0 | ||||||
| 3 | Malan ,S (Samuel) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 4 | Botha ,D (Dillen) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1242.8 | 1667.8 | 1188.4 | 1667.8 | 0 | 0 | 0 | 0 | ||||||
| 5 | Cibi ,C (Chuma) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1209.9 | 1634.9 | 1210.8 | 1634.9 | 0 | 0 | 0 | 0 | ||||||
| 6 | Masondo ,M (Mholofikie) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1199.8 | 1624.8 | 1199.7 | 1624.8 | 0 | 0 | 0 | 0 | ||||||
| 7 | Van Jaarsveld ,A (Andre James) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 8 | Cele ,R (Rhulani) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 9 | Zunguza ,E (Edmilson) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 10 | Kekane ,W (Weitji) | 1 | 1 | 425 | 0 | 0 | 0 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1153.1 | 1578.1 | 0 | 0 | 1200 | 1578.1 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

