PLAYER PAGE
Personal
Strydom, D (Duncan)
Chess SA id
1150315646FIDE id
?Date of birth
2015-02-20 (U12)Gender
MaleRegion
Tshwane (GTP)Citizen
RSATitles
Chess SA registered
NoLast active game
2025-08-15Personal details last changed
1900-01-01Junior GPX Games
32Junior GPX Points
1367.8| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1383.9 | 1382.4 | 1200 | 1200 |
| Raw rating | 1342.9 | 1357.5 | 1200 | 1200 |
| Weighted rating | 1233 | 1237.9 | 1200 | 1200 |
| Weighted performance | 1383.9 | 1382.4 | 0 | 0 |
| Floor | 842.9 | 857.5 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 135.3 | 132.5 | 165.8 | 165.8 |
| Highest rating | 1397.92025-09-01 | 1396.42025-09-01 | 12002025-03-01 | 12002025-03-01 |
| Highest raw rating | 1342.92025-09-01 | 1357.52025-09-01 | 12002025-03-01 | 12002025-03-01 |
| Highest weighted rating | 1222.52025-09-01 | 1226.42025-09-01 | 12002025-03-01 | 12002025-03-01 |
| Highest weighted performance | 1397.92025-09-01 | 1396.42025-09-01 | 01900-01-01 | 01900-01-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | -0.5 | -0.5 | 0 | 0 |
| New rating | 1383.4 | 1381.9 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1383.9 | 1382.4 | 1200 | 1200 |
| Raw rating | 1342.9 | 1357.5 | 1200 | 1200 |
| Weighted rating | 1233 | 1237.9 | 1200 | |
| Weighted performance | 1383.9 | 1382.4 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 842.9 | 857.5 | 700 | 700 |
| Max/Min rating change allowed | 135.3 | 132.5 | 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 | 1342.9 | 1357.5 | 1200 | 1200 |
| New weighted rating | 1243 | 1248.8 | 1200 | 1200 |
| New weighted performance | 1383.4 | 1381.9 | 0 | 0 |
| Temp new rating | 1383.4 | 1381.9 | 1200 | 1200 |
| Temp new rating +/- | -0.5 | -0.5 | 0 | 0 |
| Final new rating +/- | -0.5 | -0.5 | 0 | 0 |
| New rating | 1383.4 | 1381.9 | 1200 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 842.9 | 857.5 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 32 | 32 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 32 | 32 | 0 | 0 |
| Games since | |||||||||||||||||
| Main32 | Standard32 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U12 | ||||||||||||||||
| Region | Tshwane (GTP) | ||||||||||||||||
| Province | Gauteng (GT) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U12 | -1 | -1 | -1 | ||||||||||||||
| U12 Male | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | 2238 | 835 | 319 | ||||||||||||||
| Male | 1828 | 680 | 251 | ||||||||||||||
| U12 | 298 | 110 | 40 | ||||||||||||||
| U12 Male | 222 | 79 | 23 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U12 | -1 | -1 | -1 | ||||||||||||||
| U12 Male | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U12 | -1 | -1 | -1 | ||||||||||||||
| U12 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 | 32 | 18 | 56.25 | 53.1 | 1310.8 | 1363.9 |
| Standard | 32 | 18 | 56.25 | 53.1 | 1310.8 | 1363.9 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 32 | 18 | 56.25 | 53.1 | 1310.8 | 1363.9 |
| Standard | 32 | 18 | 56.25 | 53.1 | 1310.8 | 1363.9 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-09-30 | 1342.9 | 1357.5 | 1200 | 1200 |
| 2025-09-01 | 1342.9 | 1357.5 | 1200 | 1200 |
| 2025-08-01 | 1270.7 | 1281.5 | 1200 | 1200 |
| 2025-07-01 | 1271.8 | 1286.4 | 1200 | 1200 |
| 2025-06-01 | 1201.7 | 1204.8 | 1200 | 1200 |
| 2025-05-01 | 1201.7 | 1204.8 | 1200 | 1200 |
| 2025-04-01 | 1201.7 | 1204.8 | 1200 | 1200 |
| 2025-03-01 | 1201.7 | 1204.8 | 1200 | 1200 |
| 2025-02-01 | 1200 | 1200 | 1200 | 1200 |
| 2025-01-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-12-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-11-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-10-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-09-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-08-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-07-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-06-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-08-01 | 1200 | 1200 | 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 |
| 2023-11-01 | 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 | 2025 Tshwane South School District CLOSED League Championship (U11A) | 2025-08-15 | 2025-08-15 | Standard | Tshwane (GTP) | 5 | 5 | 4 | Yes | Analysis |
| 2 | 2025 Etienne Lewis Closed Chess Tournament (U12) | 2025-08-08 | 2025-08-10 | Standard | Tshwane (GTP) | 7 | 7 | 3.5 | Yes | Analysis |
| 3 | 2025 Wynie Robbertse Chess Tournament (U12) | 2025-07-19 | 2025-07-19 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 4 | 2025 Jacaranda Round Robin Open Chess Tournament (O) | 2025-06-21 | 2025-06-21 | Standard | Tshwane (GTP) | 5 | 5 | 4.5 | Yes | Analysis |
| 5 | 2025 Elise Steenkamp Open Chess Tournament (Bishop) | 2025-06-14 | 2025-06-15 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 6 | Constantiapark Open 2025 (U12) | 2025-02-15 | 2025-02-15 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2025 Tshwane South School District CLOSED League Championship (U11A) | 2025-08-15 | 2025-08-15 | Standard | Tshwane (GTP) | 5 | 5 | 4 | Yes | Analysis |
| 2 | 2025 Etienne Lewis Closed Chess Tournament (U12) | 2025-08-08 | 2025-08-10 | Standard | Tshwane (GTP) | 7 | 7 | 3.5 | Yes | Analysis |
| 3 | 2025 Wynie Robbertse Chess Tournament (U12) | 2025-07-19 | 2025-07-19 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 4 | 2025 Jacaranda Round Robin Open Chess Tournament (O) | 2025-06-21 | 2025-06-21 | Standard | Tshwane (GTP) | 5 | 5 | 4.5 | Yes | Analysis |
| 5 | 2025 Elise Steenkamp Open Chess Tournament (Bishop) | 2025-06-14 | 2025-06-15 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 6 | Constantiapark Open 2025 (U12) | 2025-02-15 | 2025-02-15 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | Tournament2025 Jacaranda Round Robin Open Chess Tournament | Tournament2025 Jacaranda Round Robin Open Chess Tournament | ||||||
| date2025-06-21 | rnd1 | typeStandard | result0.5 | date2025-06-21 | rnd5 | typeStandard | result1 | ||
| OpponentJadezweni, T (Thato) | OpponentCoetzer, E (Esther) | ||||||||
| 2 | 3 | Tournament2025 Etienne Lewis Closed Chess Tournament | Tournament2025 Tshwane South School District CLOSED League Championship | ||||||
| date2025-08-10 | rnd7 | typeStandard | result1 | date2025-08-15 | rnd2 | typeStandard | result1 | ||
| OpponentVenter, D (Daniel) | OpponentWolvaardt, J (Jonathan) | ||||||||
| 3 | 2 | Tournament2025 Tshwane South School District CLOSED League Championship | Tournament2025 Tshwane South School District CLOSED League Championship | ||||||
| date2025-08-15 | rnd4 | typeStandard | result1 | date2025-08-15 | rnd5 | typeStandard | result1 | ||
| OpponentMoloi, R (Retshedisitswe) | OpponentAikman, D (Desmond Gustav) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | Tournament2025 Jacaranda Round Robin Open Chess Tournament | Tournament2025 Jacaranda Round Robin Open Chess Tournament | ||||||
| date2025-06-21 | rnd1 | typeStandard | result0.5 | date2025-06-21 | rnd5 | typeStandard | result1 | ||
| OpponentJadezweni, T (Thato) | OpponentCoetzer, E (Esther) | ||||||||
| 2 | 3 | Tournament2025 Etienne Lewis Closed Chess Tournament | Tournament2025 Tshwane South School District CLOSED League Championship | ||||||
| date2025-08-10 | rnd7 | typeStandard | result1 | date2025-08-15 | rnd2 | typeStandard | result1 | ||
| OpponentVenter, D (Daniel) | OpponentWolvaardt, J (Jonathan) | ||||||||
| 3 | 2 | Tournament2025 Tshwane South School District CLOSED League Championship | Tournament2025 Tshwane South School District CLOSED League Championship | ||||||
| date2025-08-15 | rnd4 | typeStandard | result1 | date2025-08-15 | rnd5 | typeStandard | result1 | ||
| OpponentMoloi, R (Retshedisitswe) | OpponentAikman, D (Desmond Gustav) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | Tournament2025 Jacaranda Round Robin Open Chess Tournament | Tournament2025 Jacaranda Round Robin Open Chess Tournament | ||||||
| date2025-06-21 | rnd2 | typeStandard | result1 | date2025-06-21 | rnd5 | typeStandard | result1 | ||
| OpponentTemane, K (Kutlwano) | OpponentCoetzer, E (Esther) | ||||||||
| 2 | 3 | Tournament2025 Etienne Lewis Closed Chess Tournament | Tournament2025 Tshwane South School District CLOSED League Championship | ||||||
| date2025-08-10 | rnd7 | typeStandard | result1 | date2025-08-15 | rnd2 | typeStandard | result1 | ||
| OpponentVenter, D (Daniel) | OpponentWolvaardt, J (Jonathan) | ||||||||
| 3 | 2 | Tournament2025 Tshwane South School District CLOSED League Championship | Tournament2025 Tshwane South School District CLOSED League Championship | ||||||
| date2025-08-15 | rnd4 | typeStandard | result1 | date2025-08-15 | rnd5 | typeStandard | result1 | ||
| OpponentMoloi, R (Retshedisitswe) | OpponentAikman, D (Desmond Gustav) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | Tournament2025 Jacaranda Round Robin Open Chess Tournament | Tournament2025 Jacaranda Round Robin Open Chess Tournament | ||||||
| date2025-06-21 | rnd2 | typeStandard | result1 | date2025-06-21 | rnd5 | typeStandard | result1 | ||
| OpponentTemane, K (Kutlwano) | OpponentCoetzer, E (Esther) | ||||||||
| 2 | 3 | Tournament2025 Etienne Lewis Closed Chess Tournament | Tournament2025 Tshwane South School District CLOSED League Championship | ||||||
| date2025-08-10 | rnd7 | typeStandard | result1 | date2025-08-15 | rnd2 | typeStandard | result1 | ||
| OpponentVenter, D (Daniel) | OpponentWolvaardt, J (Jonathan) | ||||||||
| 3 | 2 | Tournament2025 Tshwane South School District CLOSED League Championship | Tournament2025 Tshwane South School District CLOSED League Championship | ||||||
| date2025-08-15 | rnd4 | typeStandard | result1 | date2025-08-15 | rnd5 | typeStandard | result1 | ||
| OpponentMoloi, R (Retshedisitswe) | OpponentAikman, D (Desmond Gustav) | ||||||||
| # | 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 | Strecker ,C (Cael) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1242 | 1667 | 1238.9 | 1667 | 0 | 0 | 0 | 0 | ||||||
| 2 | Van Vreden ,J (Joachim Jan Hendrik) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1186.7 | 1611.7 | 1187.4 | 1611.7 | 0 | 0 | 0 | 0 | ||||||
| 3 | Westermann ,I (Inge) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1437.3 | 1012.3 | 1479.7 | 1012.3 | 0 | 0 | 0 | 0 | ||||||
| 4 | De Jager ,L (Luan) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1461.1 | 1036.1 | 1412.7 | 1036.1 | 0 | 0 | 0 | 0 | ||||||
| 5 | Van Der Merwe ,A (Alex) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1236 | 1661 | 1243.1 | 1661 | 0 | 0 | 0 | 0 | ||||||
| 6 | Temane ,K (Kutlwano) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 7 | Maree ,M (Morgan) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1205.6 | 1630.6 | 1197.5 | 1630.6 | 0 | 0 | 0 | 0 | ||||||
| 8 | Bettesworth ,J (Joshua) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 9 | Wolvaardt ,J (Jonathan) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1424.1 | 1849.1 | 1429.5 | 1849.1 | 0 | 0 | 0 | 0 | ||||||
| 10 | Aikman ,D (Desmond Gustav) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1167.1 | 1592.1 | 1162.8 | 1592.1 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|