PLAYER PAGE
Personal
Van Der Poll, WB (Werner Bertin)
Chess SA id
184039369FIDE id
?Date of birth
1984-07-30 (Adult)Gender
MaleRegion
Tshwane (GTP)Citizen
RSATitles
Chess SA registered
YesLast active game
2025-04-12Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1575.2 | 1574.7 | 1590 | 1590 |
| Raw rating | 1567.3 | 1566.7 | 1590 | 1590 |
| Weighted rating | 1575.2 | 1574.7 | 1588.7 | 1588.7 |
| Weighted performance | 1404 | 1404.2 | 0 | 0 |
| Floor | 1117.4 | 1123.9 | 1090 | 1090 |
| K-factor | 28 | 28 | 32 | 32 |
| Min/Max rating change allowed | 98.3 | 98.3 | 95.1 | 95.1 |
| Highest rating | 1730.12024-07-01 | 1738.12024-07-01 | 15902024-02-01 | 15902024-02-01 |
| Highest raw rating | 1617.42024-08-01 | 1623.92024-08-01 | 15902024-02-01 | 15902024-02-01 |
| Highest weighted rating | 1567.32025-08-01 | 1566.72025-08-01 | 15772025-08-01 | 15772025-08-01 |
| Highest weighted performance | 1730.12024-07-01 | 1738.12024-07-01 | 12002024-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0.1 | 0.1 | 0 | 0 |
| New rating | 1575.3 | 1574.7 | 1590 | 1590 |
| Analysis | ||||
| Rating | 1575.2 | 1574.7 | 1590 | 1590 |
| Raw rating | 1567.3 | 1566.7 | 1590 | 1590 |
| Weighted rating | 1575.2 | 1574.7 | 1588.7 | |
| Weighted performance | 1404 | 1404.2 | 0 | |
| K-factor | 28 | 28 | 32 | 32 |
| Floor | 1117.4 | 1123.9 | 1090 | 1090 |
| Max/Min rating change allowed | 98.3 | 98.3 | 95.1 | 95.1 |
| 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 | 1567.3 | 1566.7 | 1590 | 1590 |
| New weighted rating | 1575.3 | 1574.7 | 1590 | 1590 |
| New weighted performance | 1395 | 1395.2 | 0 | 0 |
| Temp new rating | 1575.3 | 1574.7 | 1590 | 1590 |
| Temp new rating +/- | 0.1 | 0.1 | 0 | 0 |
| Final new rating +/- | 0.1 | 0.1 | 0 | 0 |
| New rating | 1575.3 | 1574.7 | 1590 | 1590 |
| New K-factor | 28 | 28 | 32 | 32 |
| New floor | 1117.4 | 1123.9 | 1090 | 1090 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 15 | 15 | 0 | 0 | |
| 30 | 30 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 45 | 45 | 0 | 0 |
| Games since | |||||||||||||||||
| Main45 | Standard45 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | Adult | ||||||||||||||||
| Region | Tshwane (GTP) | ||||||||||||||||
| Province | Gauteng (GT) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | 787 | 292 | 113 | ||||||||||||||
| Male | 696 | 253 | 100 | ||||||||||||||
| Adult | 322 | 122 | 47 | ||||||||||||||
| Adult Male | 302 | 116 | 45 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | 742 | 286 | 109 | ||||||||||||||
| Male | 655 | 246 | 96 | ||||||||||||||
| Adult | 301 | 117 | 44 | ||||||||||||||
| Adult Male | 282 | 110 | 42 | ||||||||||||||
| 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 | 15 | 6 | 40 | -85 | 1615.8 | 1530.8 |
| Standard | 15 | 6 | 40 | -85 | 1615.8 | 1530.8 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 45 | 18.5 | 41.11 | -75.6 | 1656.6 | 1581.1 |
| Standard | 45 | 18.5 | 41.11 | -75.6 | 1656.6 | 1581.1 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1567.3 | 1566.7 | 1590 | 1590 |
| 2025-09-30 | 1567.3 | 1566.7 | 1590 | 1590 |
| 2025-09-01 | 1567.3 | 1566.7 | 1590 | 1590 |
| 2025-08-01 | 1567.3 | 1566.7 | 1590 | 1590 |
| 2025-07-01 | 1564.5 | 1562 | 1590 | 1590 |
| 2025-06-01 | 1564.5 | 1560.4 | 1590 | 1590 |
| 2025-05-01 | 1564.5 | 1560.4 | 1590 | 1590 |
| 2025-04-01 | 1565.3 | 1562.2 | 1590 | 1590 |
| 2025-03-01 | 1579.6 | 1579.7 | 1590 | 1590 |
| 2025-02-01 | 1579.6 | 1579.7 | 1590 | 1590 |
| 2025-01-01 | 1590.4 | 1593 | 1590 | 1590 |
| 2024-12-01 | 1590.4 | 1593 | 1590 | 1590 |
| 2024-11-01 | 1585.1 | 1585.2 | 1590 | 1590 |
| 2024-10-01 | 1585.1 | 1585.2 | 1590 | 1590 |
| 2024-09-01 | 1593.9 | 1595.3 | 1590 | 1590 |
| 2024-08-01 | 1617.4 | 1623.9 | 1590 | 1590 |
| 2024-07-01 | 1590 | 1590 | 1590 | 1590 |
| 2024-09-01 | 1590 | 1590 | 1590 | 1590 |
| 2024-05-01 | 1590 | 1590 | 1590 | 1590 |
| 2024-04-01 | 1590 | 1590 | 1590 | 1590 |
| 2024-03-01 | 1590 | 1590 | 1590 | 1590 |
| 2024-02-01 | 1590 | 1590 | 1590 | 1590 |
| 2024-01-01 | 1590 | 1590 | 1590 | 1590 |
| 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 | 2025 Mid Gauteng Open Chess Tournament (B) | 2025-04-12 | 2025-04-12 | Standard | Tshwane (GTP) | 5 | 5 | 2.5 | Yes | Analysis |
| 2 | AHS Open Chess Tournament 2025 (A) | 2025-03-01 | 2025-03-01 | Standard | Tshwane (GTP) | 5 | 5 | 1 | Yes | Analysis |
| 3 | 2025 Tshwane Chess OPEN Registration Tournament (A2) | 2025-01-25 | 2025-01-25 | Standard | Tshwane (GTP) | 5 | 5 | 2.5 | Yes | Analysis |
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2025 Mid Gauteng Open Chess Tournament (B) | 2025-04-12 | 2025-04-12 | Standard | Tshwane (GTP) | 5 | 5 | 2.5 | Yes | Analysis |
| 2 | AHS Open Chess Tournament 2025 (A) | 2025-03-01 | 2025-03-01 | Standard | Tshwane (GTP) | 5 | 5 | 1 | Yes | Analysis |
| 3 | 2025 Tshwane Chess OPEN Registration Tournament (A2) | 2025-01-25 | 2025-01-25 | Standard | Tshwane (GTP) | 5 | 5 | 2.5 | Yes | Analysis |
| 4 | Lardies Ope 2024 (A) | 2024-10-26 | 2024-10-26 | Standard | Tshwane (GTP) | 5 | 5 | 2.5 | Yes | Analysis |
| 5 | 2024 Curro Hazeldean High Open Chess Tournament (A) | 2024-09-07 | 2024-09-07 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 6 | 2024 Jacaranda Round Robin Open Chess Tournament (A) | 2024-08-17 | 2024-08-17 | Standard | Tshwane (GTP) | 5 | 5 | 1 | Yes | Analysis |
| 7 | 2024 Alekhine Open Chess Tournament (A) | 2024-08-09 | 2024-08-10 | Standard | Tshwane (GTP) | 5 | 5 | 2.5 | Yes | Analysis |
| 8 | 2024 Midstream College Open Chess Tournament (A) | 2024-07-20 | 2024-07-20 | Standard | Tshwane (GTP) | 5 | 5 | 2.5 | Yes | Analysis |
| 9 | Menlopark Open Chess Tournament 2024 (A) | 2024-07-13 | 2024-07-13 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentLardies Ope 2024 | TournamentLardies Ope 2024 | ||||||
| date2024-10-26 | rnd2 | typeStandard | result1 | date2024-10-26 | rnd4 | typeStandard | result1 | ||
| OpponentJanse Van Rensburg, G (Gerrit) | OpponentMnguni, S (Siyathokoza) | ||||||||
| 2 | 2 | Tournament2025 Mid Gauteng Open Chess Tournament | Tournament2025 Mid Gauteng Open Chess Tournament | ||||||
| date2025-04-12 | rnd2 | typeStandard | result1 | date2025-04-12 | rnd3 | typeStandard | result1 | ||
| OpponentAhmid, K (Kaleem) | OpponentPretorius, S (Sarel) | ||||||||
| 3 | 2 | Tournament2025 Tshwane Chess OPEN Registration Tournament | Tournament2025 Tshwane Chess OPEN Registration Tournament | ||||||
| date2025-01-25 | rnd3 | typeStandard | result1 | date2025-01-25 | rnd4 | typeStandard | result1 | ||
| OpponentGrahan, C (Chie-Ann) | OpponentKoen , K (Kaylee-Jane) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentLardies Ope 2024 | TournamentLardies Ope 2024 | ||||||
| date2024-10-26 | rnd2 | typeStandard | result1 | date2024-10-26 | rnd4 | typeStandard | result1 | ||
| OpponentJanse Van Rensburg, G (Gerrit) | OpponentMnguni, S (Siyathokoza) | ||||||||
| 2 | 2 | Tournament2025 Mid Gauteng Open Chess Tournament | Tournament2025 Mid Gauteng Open Chess Tournament | ||||||
| date2025-04-12 | rnd2 | typeStandard | result1 | date2025-04-12 | rnd3 | typeStandard | result1 | ||
| OpponentAhmid, K (Kaleem) | OpponentPretorius, S (Sarel) | ||||||||
| 3 | 2 | Tournament2025 Tshwane Chess OPEN Registration Tournament | Tournament2025 Tshwane Chess OPEN Registration Tournament | ||||||
| date2025-01-25 | rnd3 | typeStandard | result1 | date2025-01-25 | rnd4 | typeStandard | result1 | ||
| OpponentGrahan, C (Chie-Ann) | OpponentKoen , K (Kaylee-Jane) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | Tournament2025 Mid Gauteng Open Chess Tournament | Tournament2025 Mid Gauteng Open Chess Tournament | ||||||
| date2025-04-12 | rnd2 | typeStandard | result1 | date2025-04-12 | rnd3 | typeStandard | result1 | ||
| OpponentAhmid, K (Kaleem) | OpponentPretorius, S (Sarel) | ||||||||
| 2 | 2 | Tournament2025 Tshwane Chess OPEN Registration Tournament | Tournament2025 Tshwane Chess OPEN Registration Tournament | ||||||
| date2025-01-25 | rnd3 | typeStandard | result1 | date2025-01-25 | rnd4 | typeStandard | result1 | ||
| OpponentGrahan, C (Chie-Ann) | OpponentKoen , K (Kaylee-Jane) | ||||||||
| 3 | 2 | Tournament2024 Curro Hazeldean High Open Chess Tournament | Tournament2024 Curro Hazeldean High Open Chess Tournament | ||||||
| date2024-09-07 | rnd2 | typeStandard | result1 | date2024-09-07 | rnd3 | typeStandard | result1 | ||
| OpponentLiang, YX (Yi-Xuan (Bowie)) | OpponentAmrouni, A (Alexia Shakira) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | Tournament2025 Mid Gauteng Open Chess Tournament | Tournament2025 Mid Gauteng Open Chess Tournament | ||||||
| date2025-04-12 | rnd2 | typeStandard | result1 | date2025-04-12 | rnd3 | typeStandard | result1 | ||
| OpponentAhmid, K (Kaleem) | OpponentPretorius, S (Sarel) | ||||||||
| 2 | 2 | Tournament2025 Tshwane Chess OPEN Registration Tournament | Tournament2025 Tshwane Chess OPEN Registration Tournament | ||||||
| date2025-01-25 | rnd3 | typeStandard | result1 | date2025-01-25 | rnd4 | typeStandard | result1 | ||
| OpponentGrahan, C (Chie-Ann) | OpponentKoen , K (Kaylee-Jane) | ||||||||
| 3 | 2 | Tournament2024 Curro Hazeldean High Open Chess Tournament | Tournament2024 Curro Hazeldean High Open Chess Tournament | ||||||
| date2024-09-07 | rnd2 | typeStandard | result1 | date2024-09-07 | rnd3 | typeStandard | result1 | ||
| OpponentLiang, YX (Yi-Xuan (Bowie)) | OpponentAmrouni, A (Alexia Shakira) | ||||||||
| # | 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 | Mabusela ,JM (Johannes Manyedi) | 3 | 0 | -425 | 3 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2155.4 | 1730.4 | 2200.2 | 1730.4 | 0 | 0 | 0 | 0 | ||||||
| 2 | Molobi ,G (Gomolemo) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1755.4 | 1330.4 | 1751.8 | 1330.4 | 0 | 0 | 0 | 0 | ||||||
| 3 | Janse Van Rensburg ,G (Gerrit) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1562.8 | 1562.8 | 1562.3 | 1562.8 | 0 | 0 | 0 | 0 | ||||||
| 4 | Gondwe ,P (Prosper) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1631.7 | 1206.7 | 1628.4 | 1206.7 | 0 | 0 | 0 | 0 | ||||||
| 5 | Adamson ,LJ (Luke Jonathan) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1534.8 | 1534.8 | 1528.7 | 1534.8 | 0 | 0 | 0 | 0 | ||||||
| 6 | Steyn ,K (Kian) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1639.4 | 2064.4 | 1636.8 | 2064.4 | 0 | 0 | 0 | 0 | ||||||
| 7 | Weng ,Y (Yu Bo (David)) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1685 | 1260 | 1680.4 | 1260 | 0 | 0 | 0 | 0 | ||||||
| 8 | Vorster ,SPM (Stephanus) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1770.8 | 1345.8 | 1779.1 | 1345.8 | 0 | 0 | 0 | 0 | ||||||
| 9 | Takaindisa ,A (Abel) | 1 | 0.5 | 0 | 1 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1646.9 | 1646.9 | 1652.4 | 1646.9 | 0 | 0 | 0 | 0 | ||||||
| 10 | Bloem ,J (James) | 1 | 0.5 | 0 | 1 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1502.9 | 1502.9 | 1498 | 1502.9 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|