PLAYER PAGE
Personal
Van Der Merwe, J (Jayden)
Chess SA id
1160159295FIDE id
?Date of birth
2016-01-26 (U10)Gender
MaleRegion
West Rand (GWR)Citizen
RSATitles
Chess SA registered
NoLast active game
2025-09-06Personal details last changed
1900-01-01Junior GPX Games
59Junior GPX Points
1395.2| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1537.4 | 1538.4 | 1200 | 1200 |
| Raw rating | 1480.1 | 1494.8 | 1200 | 1200 |
| Weighted rating | 1386.3 | 1389 | 1200 | 1200 |
| Weighted performance | 1537.4 | 1538.4 | 0 | 0 |
| Floor | 980.1 | 994.8 | 700 | 700 |
| K-factor | 32 | 32 | 36 | 36 |
| Min/Max rating change allowed | 111.3 | 108.9 | 165.8 | 165.8 |
| Highest rating | 1537.42025-11-01 | 1538.42025-11-01 | 12002018-10-01 | 12002018-10-01 |
| Highest raw rating | 1480.12025-11-01 | 1494.82025-11-01 | 12002024-03-01 | 12002024-03-01 |
| Highest weighted rating | 1386.32025-11-01 | 13892025-11-01 | 12002018-10-01 | 12002018-10-01 |
| Highest weighted performance | 1537.42025-11-01 | 1538.42025-11-01 | 12002024-03-01 | 12002024-03-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | -9.2 | -9.2 | 0 | 0 |
| New rating | 1528.2 | 1529.2 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1537.4 | 1538.4 | 1200 | 1200 |
| Raw rating | 1480.1 | 1494.8 | 1200 | 1200 |
| Weighted rating | 1386.3 | 1389 | 1200 | |
| Weighted performance | 1537.4 | 1538.4 | 0 | |
| K-factor | 32 | 32 | 36 | 36 |
| Floor | 980.1 | 994.8 | 700 | 700 |
| Max/Min rating change allowed | 111.3 | 108.9 | 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 | 1480.1 | 1494.8 | 1200 | 1200 |
| New weighted rating | 1396.3 | 1399.9 | 1200 | 1200 |
| New weighted performance | 1528.2 | 1529.2 | 0 | 0 |
| Temp new rating | 1528.2 | 1529.2 | 1200 | 1200 |
| Temp new rating +/- | -9.2 | -9.2 | 0 | 0 |
| Final new rating +/- | -9.2 | -9.2 | 0 | 0 |
| New rating | 1528.2 | 1529.2 | 1200 | 1200 |
| New K-factor | 32 | 32 | 36 | 36 |
| New floor | 980.1 | 994.8 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 44 | 44 | 0 | 0 | |
| 73 | 73 | 0 | 0 | |
| 19 | 19 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 136 | 136 | 0 | 0 |
| Games since | |||||||||||||||||
| Main117 | Standard117 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U10 | ||||||||||||||||
| Region | West Rand (GWR) | ||||||||||||||||
| Province | Gauteng (GT) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | 1004 | 358 | 18 | ||||||||||||||
| Male | 879 | 306 | 15 | ||||||||||||||
| U10 | 43 | 21 | 1 | ||||||||||||||
| U10 Male | 36 | 18 | 1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | 944 | 362 | 20 | ||||||||||||||
| Male | 822 | 309 | 17 | ||||||||||||||
| U10 | 46 | 21 | 1 | ||||||||||||||
| U10 Male | 39 | 18 | 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 | 44 | 33.5 | 76.14 | 222.2 | 1266.3 | 1488.5 |
| Standard | 44 | 33.5 | 76.14 | 222.2 | 1266.3 | 1488.5 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 136 | 85.5 | 62.87 | 109.4 | 1266.7 | 1376.1 |
| Standard | 136 | 85.5 | 62.87 | 109.4 | 1266.7 | 1376.1 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1480.1 | 1494.8 | 1200 | 1200 |
| 2025-09-30 | 1467.9 | 1480.1 | 1200 | 1200 |
| 2025-09-01 | 1415.3 | 1416.4 | 1200 | 1200 |
| 2025-08-01 | 1418.9 | 1420.9 | 1200 | 1200 |
| 2025-07-01 | 1385.1 | 1378.7 | 1200 | 1200 |
| 2025-06-01 | 1414.4 | 1414 | 1200 | 1200 |
| 2025-05-01 | 1411.7 | 1410.2 | 1200 | 1200 |
| 2025-04-01 | 1420.4 | 1420.3 | 1200 | 1200 |
| 2025-03-01 | 1373.8 | 1381.2 | 1200 | 1200 |
| 2025-02-01 | 1351.3 | 1353.7 | 1200 | 1200 |
| 2025-01-01 | 1351.3 | 1353.7 | 1200 | 1200 |
| 2024-12-01 | 1358.7 | 1364.1 | 1200 | 1200 |
| 2024-11-01 | 1358.7 | 1364.1 | 1200 | 1200 |
| 2024-10-01 | 1304 | 1294.3 | 1200 | 1200 |
| 2024-09-01 | 1327 | 1322 | 1200 | 1200 |
| 2024-08-01 | 1334.5 | 1332.4 | 1200 | 1200 |
| 2024-07-01 | 1329.7 | 1326.6 | 1200 | 1200 |
| 2024-09-01 | 1288.5 | 1287.1 | 1200 | 1200 |
| 2024-05-01 | 1294.2 | 1300.2 | 1200 | 1200 |
| 2024-04-01 | 1281.4 | 1285.4 | 1200 | 1200 |
| 2024-03-01 | 1303.8 | 1314.2 | 1200 | 1200 |
| 2024-02-01 | 1289.8 | 1299.8 | 1200 | 1200 |
| 2024-01-01 | 1289.1 | 1300.5 | 1200 | 1200 |
| 2023-12-01 | 1289.1 | 1300.5 | 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 Gauteng Top Schools Teams (U9) | 2025-08-29 | 2025-08-29 | Standard | Tshwane (GTP) | 5 | 5 | 4 | Yes | Analysis |
| 2 | West Rand Closed 2025 (U10) | 2025-10-18 | 2025-10-18 | Standard | West Rand (GWR) | 5 | 0 | 0 | No | Analysis |
| 3 | West Rand Trials 2025 (U10) | 2025-09-06 | 2025-09-06 | Standard | West Rand (GWR) | 5 | 5 | 5 | Yes | Analysis |
| 4 | West Rand Women's Day Open 2025 (U10) | 2025-08-09 | 2025-08-09 | Standard | West Rand (GWR) | 5 | 5 | 3 | Yes | Analysis |
| 5 | 2025 D2 Schools League Finals (U9) | 2025-07-26 | 2025-07-26 | Standard | West Rand (GWR) | 5 | 5 | 5 | Yes | Analysis |
| 6 | West Rand Open 2.0 2025 (U10) | 2025-06-07 | 2025-06-07 | Standard | West Rand (GWR) | 5 | 5 | 2.5 | Yes | Analysis |
| 7 | 2025 D2 Schools Individuals (U9 Open) | 2025-05-09 | 2025-05-09 | Standard | West Rand (GWR) | 5 | 4 | 3 | Yes | Analysis |
| 8 | FIDE in The West 2025 (U10) | 2025-04-12 | 2025-04-12 | Standard | West Rand (GWR) | 5 | 5 | 3 | Yes | Analysis |
| 9 | West Rand Juniors 2025 (U10) | 2025-03-08 | 2025-03-08 | Standard | West Rand (GWR) | 5 | 5 | 4 | Yes | Analysis |
| 10 | 2025 West Rand Open (U10) | 2025-02-08 | 2025-02-08 | Standard | West Rand (GWR) | 5 | 5 | 4 | Yes | Analysis |
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2025 Gauteng Top Schools Teams (U9) | 2025-08-29 | 2025-08-29 | Standard | Tshwane (GTP) | 5 | 5 | 4 | Yes | Analysis |
| 2 | West Rand Closed 2025 (U10) | 2025-10-18 | 2025-10-18 | Standard | West Rand (GWR) | 5 | 0 | 0 | No | Analysis |
| 3 | West Rand Trials 2025 (U10) | 2025-09-06 | 2025-09-06 | Standard | West Rand (GWR) | 5 | 5 | 5 | Yes | Analysis |
| 4 | West Rand Women's Day Open 2025 (U10) | 2025-08-09 | 2025-08-09 | Standard | West Rand (GWR) | 5 | 5 | 3 | Yes | Analysis |
| 5 | 2025 D2 Schools League Finals (U9) | 2025-07-26 | 2025-07-26 | Standard | West Rand (GWR) | 5 | 5 | 5 | Yes | Analysis |
| 6 | West Rand Open 2.0 2025 (U10) | 2025-06-07 | 2025-06-07 | Standard | West Rand (GWR) | 5 | 5 | 2.5 | Yes | Analysis |
| 7 | 2025 D2 Schools Individuals (U9 Open) | 2025-05-09 | 2025-05-09 | Standard | West Rand (GWR) | 5 | 4 | 3 | Yes | Analysis |
| 8 | FIDE in The West 2025 (U10) | 2025-04-12 | 2025-04-12 | Standard | West Rand (GWR) | 5 | 5 | 3 | Yes | Analysis |
| 9 | West Rand Juniors 2025 (U10) | 2025-03-08 | 2025-03-08 | Standard | West Rand (GWR) | 5 | 5 | 4 | Yes | Analysis |
| 10 | 2025 West Rand Open (U10) | 2025-02-08 | 2025-02-08 | Standard | West Rand (GWR) | 5 | 5 | 4 | Yes | Analysis |
| 11 | Gauteng Inter-Region at UJ 2024 (U10 Candidates) | 2024-12-07 | 2024-12-08 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 3 | Yes | Analysis |
| 12 | 2024 West Rand Closed (U10) | 2024-10-12 | 2024-10-12 | Standard | West Rand (GWR) | 5 | 5 | 2 | Yes | Analysis |
| 13 | Gauteng Top Schools 2024 (U9 Open) | 2024-10-04 | 2024-10-04 | Standard | Ekurhuleni (GE) | 5 | 5 | 5 | Yes | Analysis |
| 14 | 2024 West Rand Trials (U10) | 2024-09-07 | 2024-09-07 | Standard | West Rand (GWR) | 5 | 5 | 2 | Yes | Analysis |
| 15 | 2024 West Rand Rappies Open (U10) | 2024-08-03 | 2024-08-03 | Standard | West Rand (GWR) | 5 | 4 | 2 | Yes | Analysis |
| 16 | D2 School League Finals 2024 (U9) | 2024-07-20 | 2024-07-20 | Standard | West Rand (GWR) | 5 | 5 | 3.5 | Yes | Analysis |
| 17 | FIDE in the West 2024 (U10) | 2024-06-08 | 2024-06-08 | Standard | West Rand (GWR) | 5 | 5 | 3 | Yes | Analysis |
| 18 | Chess Power House May Open 2024 (E) | 2024-05-25 | 2024-05-25 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 2.5 | Yes | Analysis |
| 19 | South African Junior Closed Chess Championship 2024 (U8 Open) | 2024-04-27 | 2024-05-01 | Standard | Ekurhuleni (GE) | 9 | 9 | 2.5 | Yes | Analysis |
| 20 | 2024 D2 Schools Individuals (U9) | 2024-05-04 | 2024-05-04 | Standard | West Rand (GWR) | 5 | 5 | 4 | Yes | Analysis |
| 21 | 2024 West Rand RHS Open (U10) | 2024-04-13 | 2024-04-13 | Standard | West Rand (GWR) | 5 | 5 | 3 | Yes | Analysis |
| 22 | 2024 West Rand Juniors (U10) | 2024-03-09 | 2024-03-09 | Standard | West Rand (GWR) | 5 | 5 | 2 | Yes | Analysis |
| 23 | 2024 West Rand Open (U10) | 2024-02-03 | 2024-02-03 | Standard | West Rand (GWR) | 5 | 5 | 3 | Yes | Analysis |
| 24 | 2024 Gauteng Inter-Region Chess Championship (U8) | 2024-01-13 | 2024-01-14 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 25 | West Rand vs Bojanala Inter-Regional Championships 2023 (U8) | 2023-10-12 | 2023-10-12 | Standard | West Rand (GWR) | 8 | 8 | 5.5 | Yes | Analysis |
| 26 | 2023 West Rand Trials (U8) | 2023-09-09 | 2023-09-09 | Standard | West Rand (GWR) | 5 | 5 | 2 | Yes | Analysis |
| 27 | West Rand at Bastion 2023 (U8) | 2023-08-05 | 2023-08-05 | Standard | West Rand (GWR) | 7 | 6 | 4 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 7 | Tournament2025 D2 Schools League Finals | TournamentWest Rand Women's Day Open 2025 | ||||||
| date2025-07-26 | rnd1 | typeStandard | result1 | date2025-08-09 | rnd2 | typeStandard | result1 | ||
| OpponentSehularo, T (Taonga Kgantsho) | OpponentMahlangu, A (Alondwengomusa) | ||||||||
| 2 | 6 | Tournament2025 Gauteng Top Schools Teams | TournamentWest Rand Trials 2025 | ||||||
| date2025-08-29 | rnd5 | typeStandard | result1 | date2025-09-06 | rnd5 | typeStandard | result1 | ||
| OpponentHaupt, D (Dawid) | OpponentDlamini, P (Philasande) | ||||||||
| 3 | 5 | Tournament2025 West Rand Open | TournamentWest Rand Juniors 2025 | ||||||
| date2025-02-08 | rnd4 | typeStandard | result1 | date2025-03-08 | rnd3 | typeStandard | result1 | ||
| OpponentDu Toit, L (Lwazi) | OpponentWhite, J (Joshua) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 7 | Tournament2025 D2 Schools League Finals | TournamentWest Rand Women's Day Open 2025 | ||||||
| date2025-07-26 | rnd1 | typeStandard | result1 | date2025-08-09 | rnd2 | typeStandard | result1 | ||
| OpponentSehularo, T (Taonga Kgantsho) | OpponentMahlangu, A (Alondwengomusa) | ||||||||
| 2 | 5 | TournamentWest Rand Trials 2025 | TournamentWest Rand Trials 2025 | ||||||
| date2025-09-06 | rnd1 | typeStandard | result1 | date2025-09-06 | rnd5 | typeStandard | result1 | ||
| OpponentMolebatsi, R (Reletlhogonolo) | OpponentDlamini, P (Philasande) | ||||||||
| 3 | 5 | Tournament2025 West Rand Open | TournamentWest Rand Juniors 2025 | ||||||
| date2025-02-08 | rnd4 | typeStandard | result1 | date2025-03-08 | rnd3 | typeStandard | result1 | ||
| OpponentDu Toit, L (Lwazi) | OpponentWhite, J (Joshua) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 7 | Tournament2025 D2 Schools League Finals | TournamentWest Rand Women's Day Open 2025 | ||||||
| date2025-07-26 | rnd1 | typeStandard | result1 | date2025-08-09 | rnd2 | typeStandard | result1 | ||
| OpponentSehularo, T (Taonga Kgantsho) | OpponentMahlangu, A (Alondwengomusa) | ||||||||
| 2 | 5 | TournamentWest Rand Trials 2025 | TournamentWest Rand Trials 2025 | ||||||
| date2025-09-06 | rnd1 | typeStandard | result1 | date2025-09-06 | rnd5 | typeStandard | result1 | ||
| OpponentMolebatsi, R (Reletlhogonolo) | OpponentDlamini, P (Philasande) | ||||||||
| 3 | 5 | Tournament2025 West Rand Open | TournamentWest Rand Juniors 2025 | ||||||
| date2025-02-08 | rnd4 | typeStandard | result1 | date2025-03-08 | rnd3 | typeStandard | result1 | ||
| OpponentDu Toit, L (Lwazi) | OpponentWhite, J (Joshua) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 7 | Tournament2025 D2 Schools League Finals | TournamentWest Rand Women's Day Open 2025 | ||||||
| date2025-07-26 | rnd1 | typeStandard | result1 | date2025-08-09 | rnd2 | typeStandard | result1 | ||
| OpponentSehularo, T (Taonga Kgantsho) | OpponentMahlangu, A (Alondwengomusa) | ||||||||
| 2 | 5 | TournamentWest Rand Trials 2025 | TournamentWest Rand Trials 2025 | ||||||
| date2025-09-06 | rnd1 | typeStandard | result1 | date2025-09-06 | rnd5 | typeStandard | result1 | ||
| OpponentMolebatsi, R (Reletlhogonolo) | OpponentDlamini, P (Philasande) | ||||||||
| 3 | 5 | Tournament2025 West Rand Open | TournamentWest Rand Juniors 2025 | ||||||
| date2025-02-08 | rnd4 | typeStandard | result1 | date2025-03-08 | rnd3 | typeStandard | result1 | ||
| OpponentDu Toit, L (Lwazi) | OpponentWhite, J (Joshua) | ||||||||
| # | 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 | White ,J (Joshua) | 5 | 2 | -85 | 5 | 2 | -85 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1372.9 | 1287.9 | 1375.5 | 1287.9 | 0 | 0 | 0 | 0 | ||||||
| 2 | Lourens ,J (Jacobus) | 4 | 4 | 425 | 4 | 4 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1213.5 | 1638.5 | 1216.4 | 1638.5 | 0 | 0 | 0 | 0 | ||||||
| 3 | Sehularo ,T (Taonga Kgantsho) | 3 | 3 | 425 | 3 | 3 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1123.3 | 1548.3 | 1114.4 | 1548.3 | 0 | 0 | 0 | 0 | ||||||
| 4 | Botha ,AZ (Adriaan Zander) | 3 | 0 | -425 | 3 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1584.1 | 1159.1 | 1581.4 | 1159.1 | 0 | 0 | 0 | 0 | ||||||
| 5 | Erasmus ,S (Sonja) | 3 | 2 | 141.7 | 3 | 2 | 141.7 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1334.2 | 1475.8 | 1337.5 | 1475.8 | 0 | 0 | 0 | 0 | ||||||
| 6 | Steyn ,K (Kahn) | 3 | 0 | -425 | 3 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1333.3 | 908.3 | 1323.1 | 908.3 | 0 | 0 | 0 | 0 | ||||||
| 7 | Deysel ,Z (Zachariah) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1291.3 | 1291.3 | 1296.3 | 1291.3 | 0 | 0 | 0 | 0 | ||||||
| 8 | Kruger ,T (Thinus Pieter) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1465.2 | 1465.2 | 1482.1 | 1465.2 | 0 | 0 | 0 | 0 | ||||||
| 9 | Dlamini ,P (Philasande) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1480.4 | 1480.4 | 1479.5 | 1480.4 | 0 | 0 | 0 | 0 | ||||||
| 10 | Menyatsoe ,K (Kgosi) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1330.1 | 905.1 | 1353.6 | 905.1 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|