PLAYER PAGE
Personal
Van Der Merwe, L (Liahne Lizl)
Chess SA id
2120144853FIDE id
?Date of birth
2012-01-05 (U14)Gender
FemaleRegion
Tshwane (GTP)Citizen
RSATitles
Chess SA registered
NoLast active game
2025-08-29Personal details last changed
1900-01-01Junior GPX Games
19Junior GPX Points
1335.4| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1416 | 1417.1 | 1200 | 1200 |
| Raw rating | 1403.8 | 1400.6 | 1200 | 1200 |
| Weighted rating | 1416 | 1417.1 | 1200 | 1200 |
| Weighted performance | 1254.3 | 1248.6 | 0 | 0 |
| Floor | 942.3 | 948 | 700 | 700 |
| K-factor | 32 | 32 | 36 | 36 |
| Min/Max rating change allowed | 124 | 124.6 | 165.8 | 165.8 |
| Highest rating | 1485.12024-10-01 | 1482.42024-10-01 | 12002018-10-01 | 12002018-10-01 |
| Highest raw rating | 1442.32025-02-01 | 14482024-11-01 | 12002024-03-01 | 12002024-03-01 |
| Highest weighted rating | 14162025-11-01 | 1417.12025-11-01 | 12002018-10-01 | 12002018-10-01 |
| Highest weighted performance | 1485.12024-10-01 | 1482.42024-10-01 | 12002024-03-01 | 12002024-03-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | -0.2 | -0.4 | 0 | 0 |
| New rating | 1415.8 | 1416.7 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1416 | 1417.1 | 1200 | 1200 |
| Raw rating | 1403.8 | 1400.6 | 1200 | 1200 |
| Weighted rating | 1416 | 1417.1 | 1200 | |
| Weighted performance | 1254.3 | 1248.6 | 0 | |
| K-factor | 32 | 32 | 36 | 36 |
| Floor | 942.3 | 948 | 700 | 700 |
| Max/Min rating change allowed | 124 | 124.6 | 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 | 1403.8 | 1400.6 | 1200 | 1200 |
| New weighted rating | 1415.8 | 1416.7 | 1200 | 1200 |
| New weighted performance | 1246.4 | 1240.8 | 0 | 0 |
| Temp new rating | 1415.8 | 1416.7 | 1200 | 1200 |
| Temp new rating +/- | -0.2 | -0.4 | 0 | 0 |
| Final new rating +/- | -0.2 | -0.4 | 0 | 0 |
| New rating | 1415.8 | 1416.7 | 1200 | 1200 |
| New K-factor | 32 | 32 | 36 | 36 |
| New floor | 942.3 | 948 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 10 | 10 | 0 | 0 | |
| 34 | 34 | 0 | 0 | |
| 32 | 32 | 0 | 0 | |
| 5 | 5 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 81 | 81 | 0 | 0 |
| Games since | |||||||||||||||||
| Main44 | Standard44 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Female | ||||||||||||||||
| Age group | U14 | ||||||||||||||||
| Region | Tshwane (GTP) | ||||||||||||||||
| Province | Gauteng (GT) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | 2019 | 714 | 259 | ||||||||||||||
| Female | 327 | 127 | 53 | ||||||||||||||
| U14 | 322 | 111 | 38 | ||||||||||||||
| U14 Female | 74 | 28 | 12 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | 1912 | 704 | 264 | ||||||||||||||
| Female | 317 | 122 | 51 | ||||||||||||||
| U14 | 305 | 105 | 37 | ||||||||||||||
| U14 Female | 73 | 26 | 12 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U14 | -1 | -1 | -1 | ||||||||||||||
| U14 Female | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U14 | -1 | -1 | -1 | ||||||||||||||
| U14 Female | -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 | 10 | 5 | 50 | 0 | 1244.5 | 1244.5 |
| Standard | 10 | 5 | 50 | 0 | 1244.5 | 1244.5 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 81 | 51 | 62.96 | 110.2 | 1243 | 1353.1 |
| Standard | 81 | 51 | 62.96 | 110.2 | 1243 | 1353.1 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1403.8 | 1400.6 | 1200 | 1200 |
| 2025-09-30 | 1413.4 | 1414.4 | 1200 | 1200 |
| 2025-09-01 | 1413.4 | 1414.4 | 1200 | 1200 |
| 2025-08-01 | 1413.4 | 1414.4 | 1200 | 1200 |
| 2025-07-01 | 1411.6 | 1412.4 | 1200 | 1200 |
| 2025-06-01 | 1408.6 | 1408.7 | 1200 | 1200 |
| 2025-05-01 | 1442.3 | 1448 | 1200 | 1200 |
| 2025-04-01 | 1442.3 | 1448 | 1200 | 1200 |
| 2025-03-01 | 1442.3 | 1448 | 1200 | 1200 |
| 2025-02-01 | 1442.3 | 1448 | 1200 | 1200 |
| 2025-01-01 | 1438.7 | 1448 | 1200 | 1200 |
| 2024-12-01 | 1437.2 | 1448 | 1200 | 1200 |
| 2024-11-01 | 1437.2 | 1448 | 1200 | 1200 |
| 2024-10-01 | 1393.4 | 1387.2 | 1200 | 1200 |
| 2024-09-01 | 1400.6 | 1396.6 | 1200 | 1200 |
| 2024-08-01 | 1376.1 | 1366.4 | 1200 | 1200 |
| 2024-07-01 | 1376.1 | 1366.4 | 1200 | 1200 |
| 2024-09-01 | 1376.1 | 1366.4 | 1200 | 1200 |
| 2024-05-01 | 1398.5 | 1393.4 | 1200 | 1200 |
| 2024-04-01 | 1398.5 | 1393.4 | 1200 | 1200 |
| 2024-03-01 | 1398.5 | 1393.4 | 1200 | 1200 |
| 2024-02-01 | 1398.5 | 1393.4 | 1200 | 1200 |
| 2024-01-01 | 1339.9 | 1335.1 | 1200 | 1200 |
| 2023-12-01 | 1339.9 | 1335.1 | 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 (U13 Girls) | 2025-08-29 | 2025-08-29 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 2 | 2025 Tshwane South School District Individual Finals (D4) (U13 Girls) | 2025-05-10 | 2025-05-10 | 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 Gauteng Top Schools Teams (U13 Girls) | 2025-08-29 | 2025-08-29 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 2 | 2025 Tshwane South School District Individual Finals (D4) (U13 Girls) | 2025-05-10 | 2025-05-10 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 3 | Gauteng Inter-Region at UJ 2024 (U14 Girls) | 2024-12-07 | 2024-12-08 | Standard | Johannesburg Metro (GJM) | 5 | 4 | 2.5 | Yes | Analysis |
| 4 | Gauteng Top Schools 2024 (U13 Girls) | 2024-10-04 | 2024-10-04 | Standard | Ekurhuleni (GE) | 5 | 5 | 5 | Yes | Analysis |
| 5 | 2024 Etienne Lewis (U14) | 2024-08-30 | 2024-09-01 | Standard | Tshwane (GTP) | 7 | 7 | 4 | Yes | Analysis |
| 6 | D4 Tshwane South District Schools Teams Chess Tournament 2024 (U13 Girls) | 2024-08-03 | 2024-08-03 | Standard | Tshwane (GTP) | 3 | 3 | 3 | Yes | Analysis |
| 7 | 2024 Tshwane South School District CLOSED Individual Championships (U13 Girls) | 2024-05-11 | 2024-05-11 | Standard | Tshwane (GTP) | 5 | 5 | 2.5 | Yes | Analysis |
| 8 | 2024 Tshwane Chess OPEN Registration Tournament (D2) | 2024-01-27 | 2024-01-27 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 9 | 2024 Gauteng Inter-Region Chess Championship (U12 Girls B) | 2024-01-13 | 2024-01-14 | Standard | Tshwane (GTP) | 5 | 5 | 5 | Yes | Analysis |
| 10 | 2023 Alekhine Open Tournament (D) | 2023-09-09 | 2023-09-09 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 11 | 2023 Gauteng Top Schools (U13 Girls) | 2023-08-18 | 2023-08-18 | Standard | West Rand (GWR) | 5 | 5 | 4 | Yes | Analysis |
| 12 | 2023 Etienne Lewis Closed Tournament (U12) | 2023-08-25 | 2023-08-27 | Standard | Tshwane (GTP) | 7 | 7 | 4 | Yes | Analysis |
| 13 | 2023 Tshwane South School District CLOSED Individual Championships (U11 Girls) | 2023-04-22 | 2023-04-22 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 14 | Chris Greyling Open Tournament 2023 (D2) | 2023-03-21 | 2023-03-21 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 15 | 2023 Tshwane Chess Open Registration Tournament (D2) | 2023-01-28 | 2023-01-28 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 16 | Tuks Junior Developmental Tournament 2022 (Red) | 2022-08-06 | 2022-08-06 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 9 | Tournament2023 Alekhine Open Tournament | Tournament2024 Tshwane Chess OPEN Registration Tournament | ||||||
| date2023-09-09 | rnd4 | typeStandard | result1 | date2024-01-27 | rnd2 | typeStandard | result1 | ||
| OpponentCoetzee, M (Mauritz) | OpponentKruger, B (Brenden) | ||||||||
| 2 | 6 | Tournament2024 Etienne Lewis | TournamentGauteng Top Schools 2024 | ||||||
| date2024-09-01 | rnd7 | typeStandard | result1 | date2024-10-04 | rnd5 | typeStandard | result1 | ||
| OpponentVan Rooyen, D (Dandre) | OpponentKleinhans, D (Deané) | ||||||||
| 3 | 5 | Tournament2024 Tshwane South School District CLOSED Individual Championships | Tournament2024 Etienne Lewis | ||||||
| date2024-05-11 | rnd5 | typeStandard | result1 | date2024-08-30 | rnd1 | typeStandard | result1 | ||
| OpponentOosthuizen, L (Leane) | OpponentMatimelane, T (Tshimologo) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 9 | Tournament2023 Alekhine Open Tournament | Tournament2024 Tshwane Chess OPEN Registration Tournament | ||||||
| date2023-09-09 | rnd4 | typeStandard | result1 | date2024-01-27 | rnd2 | typeStandard | result1 | ||
| OpponentCoetzee, M (Mauritz) | OpponentKruger, B (Brenden) | ||||||||
| 2 | 6 | Tournament2024 Etienne Lewis | TournamentGauteng Top Schools 2024 | ||||||
| date2024-09-01 | rnd7 | typeStandard | result1 | date2024-10-04 | rnd5 | typeStandard | result1 | ||
| OpponentVan Rooyen, D (Dandre) | OpponentKleinhans, D (Deané) | ||||||||
| 3 | 5 | Tournament2024 Tshwane South School District CLOSED Individual Championships | Tournament2024 Etienne Lewis | ||||||
| date2024-05-11 | rnd5 | typeStandard | result1 | date2024-08-30 | rnd1 | typeStandard | result1 | ||
| OpponentOosthuizen, L (Leane) | OpponentMatimelane, T (Tshimologo) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 9 | Tournament2023 Alekhine Open Tournament | Tournament2024 Tshwane Chess OPEN Registration Tournament | ||||||
| date2023-09-09 | rnd4 | typeStandard | result1 | date2024-01-27 | rnd2 | typeStandard | result1 | ||
| OpponentCoetzee, M (Mauritz) | OpponentKruger, B (Brenden) | ||||||||
| 2 | 6 | Tournament2024 Etienne Lewis | TournamentGauteng Top Schools 2024 | ||||||
| date2024-09-01 | rnd7 | typeStandard | result1 | date2024-10-04 | rnd5 | typeStandard | result1 | ||
| OpponentVan Rooyen, D (Dandre) | OpponentKleinhans, D (Deané) | ||||||||
| 3 | 5 | Tournament2024 Tshwane South School District CLOSED Individual Championships | Tournament2024 Etienne Lewis | ||||||
| date2024-05-11 | rnd5 | typeStandard | result1 | date2024-08-30 | rnd1 | typeStandard | result1 | ||
| OpponentOosthuizen, L (Leane) | OpponentMatimelane, T (Tshimologo) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 9 | Tournament2023 Alekhine Open Tournament | Tournament2024 Tshwane Chess OPEN Registration Tournament | ||||||
| date2023-09-09 | rnd4 | typeStandard | result1 | date2024-01-27 | rnd2 | typeStandard | result1 | ||
| OpponentCoetzee, M (Mauritz) | OpponentKruger, B (Brenden) | ||||||||
| 2 | 6 | Tournament2024 Etienne Lewis | TournamentGauteng Top Schools 2024 | ||||||
| date2024-09-01 | rnd7 | typeStandard | result1 | date2024-10-04 | rnd5 | typeStandard | result1 | ||
| OpponentVan Rooyen, D (Dandre) | OpponentKleinhans, D (Deané) | ||||||||
| 3 | 5 | Tournament2024 Tshwane South School District CLOSED Individual Championships | Tournament2024 Etienne Lewis | ||||||
| date2024-05-11 | rnd5 | typeStandard | result1 | date2024-08-30 | rnd1 | typeStandard | result1 | ||
| OpponentOosthuizen, L (Leane) | OpponentMatimelane, T (Tshimologo) | ||||||||
| # | 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 | Muller ,M (Mari) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1310.1 | 1310.1 | 1303.7 | 1310.1 | 0 | 0 | 0 | 0 | ||||||
| 2 | Sutherland ,K (Kiona) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1223.2 | 1648.2 | 1215.5 | 1648.2 | 0 | 0 | 0 | 0 | ||||||
| 3 | Loubser ,L (Lara) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1217.1 | 1217.1 | 1209.7 | 1217.1 | 0 | 0 | 0 | 0 | ||||||
| 4 | Pistorius ,A (Anabelle) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1271.6 | 1271.6 | 1268.2 | 1271.6 | 0 | 0 | 0 | 0 | ||||||
| 5 | Mulamattathil ,R (Rehaan) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1212.8 | 1637.8 | 1207.7 | 1637.8 | 0 | 0 | 0 | 0 | ||||||
| 6 | Fox ,K (Keagan) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 7 | Oosthuizen ,L (Leane) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1181.8 | 1606.8 | 1200 | 1606.8 | 0 | 0 | 0 | 0 | ||||||
| 8 | Mphalehle ,K (Kgethego) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 9 | Neumann ,C (Christian) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 10 | Visser ,M (Minicke) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|