PLAYER PAGE
Personal
Van Moerkerken, G (Gideon)
Chess SA id
1130160594FIDE id
?Date of birth
2013-08-11 (U14)Gender
MaleRegion
Sedibeng (GSV)Citizen
RSATitles
Chess SA registered
NoLast active game
2025-10-25Personal details last changed
1900-01-01Junior GPX Games
25.7Junior GPX Points
1281.7| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1384.6 | 1338.7 | 1200 | 1260.1 |
| Raw rating | 1342.2 | 1338.7 | 1200 | 1260.1 |
| Weighted rating | 1284.6 | 1295.3 | 1200 | 1204.8 |
| Weighted performance | 1384.6 | 1335.8 | 0 | 0 |
| Floor | 842.2 | 842.7 | 700 | 760.1 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 135.4 | 136.1 | 165.8 | 152.2 |
| Highest rating | 1558.22023-08-01 | 1566.92023-08-01 | 12002018-10-01 | 1260.12025-11-01 |
| Highest raw rating | 1342.22025-11-01 | 1342.72025-09-01 | 12002024-03-01 | 1260.12025-11-01 |
| Highest weighted rating | 1284.62025-11-01 | 1295.32025-11-01 | 12002018-10-01 | 1204.82025-11-01 |
| Highest weighted performance | 1558.22023-08-01 | 1566.92023-08-01 | 12002024-03-01 | 12002024-03-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | -8.2 | 0 | 0 | 0 |
| New rating | 1376.4 | 1338.7 | 1200 | 1260.1 |
| Analysis | ||||
| Rating | 1384.6 | 1338.7 | 1200 | 1260.1 |
| Raw rating | 1342.2 | 1338.7 | 1200 | 1260.1 |
| Weighted rating | 1284.6 | 1295.3 | 1200 | |
| Weighted performance | 1384.6 | 1335.8 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 842.2 | 842.7 | 700 | 760.1 |
| Max/Min rating change allowed | 135.4 | 136.1 | 165.8 | 152.2 |
| 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 | 1342.2 | 1338.7 | 1200 | 1260.1 |
| New weighted rating | 1289.9 | 1299.4 | 1200 | 1209.4 |
| New weighted performance | 1376.4 | 1327.7 | 0 | 0 |
| Temp new rating | 1376.4 | 1338.7 | 1200 | 1260.1 |
| Temp new rating +/- | -8.2 | 0 | 0 | 0 |
| Final new rating +/- | -8.2 | 0 | 0 | 0 |
| New rating | 1376.4 | 1338.7 | 1200 | 1260.1 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 842.2 | 842.7 | 700 | 760.1 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 25 | 20 | 0 | 5 | |
| 9 | 9 | 0 | 0 | |
| 5 | 5 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 39 | 34 | 0 | 5 |
| Games since | |||||||||||||||||
| Main34 | Standard29 | Rapid0 | Blitz5 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U14 | ||||||||||||||||
| Region | Sedibeng (GSV) | ||||||||||||||||
| Province | Gauteng (GT) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U14 | -1 | -1 | -1 | ||||||||||||||
| U14 Male | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U14 | -1 | -1 | -1 | ||||||||||||||
| U14 Male | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U14 | -1 | -1 | -1 | ||||||||||||||
| U14 Male | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U14 | -1 | -1 | -1 | ||||||||||||||
| U14 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 | 25 | 16.5 | 66 | 136 | 1293 | 1429 |
| Standard | 20 | 12.5 | 62.5 | 106.2 | 1280.4 | 1386.6 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 5 | 4 | 80 | 255 | 1343.4 | 1598.4 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 39 | 26 | 66.67 | 141.7 | 1270.2 | 1411.9 |
| Standard | 34 | 22 | 64.71 | 125 | 1259.4 | 1384.4 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 5 | 4 | 80 | 255 | 1343.4 | 1598.4 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1342.2 | 1338.7 | 1200 | 1260.1 |
| 2025-09-30 | 1325.2 | 1342.7 | 1200 | 1200 |
| 2025-09-01 | 1325.2 | 1342.7 | 1200 | 1200 |
| 2025-08-01 | 1287.9 | 1300.5 | 1200 | 1200 |
| 2025-07-01 | 1287.9 | 1300.5 | 1200 | 1200 |
| 2025-06-01 | 1267 | 1276.9 | 1200 | 1200 |
| 2025-05-01 | 1267 | 1276.4 | 1200 | 1200 |
| 2025-04-01 | 1267 | 1275.7 | 1200 | 1200 |
| 2025-03-01 | 1267 | 1274.8 | 1200 | 1200 |
| 2025-02-01 | 1267 | 1274.6 | 1200 | 1200 |
| 2025-01-01 | 1267 | 1274.6 | 1200 | 1200 |
| 2024-12-01 | 1267 | 1274.6 | 1200 | 1200 |
| 2024-11-01 | 1267 | 1274.6 | 1200 | 1200 |
| 2024-10-01 | 1280.1 | 1295.1 | 1200 | 1200 |
| 2024-09-01 | 1280.1 | 1295.1 | 1200 | 1200 |
| 2024-08-01 | 1260.7 | 1274.9 | 1200 | 1200 |
| 2024-07-01 | 1260.7 | 1274.9 | 1200 | 1200 |
| 2024-09-01 | 1260.7 | 1274.9 | 1200 | 1200 |
| 2024-05-01 | 1260.7 | 1274.9 | 1200 | 1200 |
| 2024-04-01 | 1260.7 | 1274.9 | 1200 | 1200 |
| 2024-03-01 | 1260.7 | 1274.9 | 1200 | 1200 |
| 2024-02-01 | 1260.7 | 1274.9 | 1200 | 1200 |
| 2024-01-01 | 1260.7 | 1274.9 | 1200 | 1200 |
| 2023-12-01 | 1260.7 | 1274.9 | 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 | Chess-in-the-Vaal Academy Blitz Open 25 Oct 2025 (B) | 2025-10-25 | 2025-10-25 | Blitz | Sedibeng (GSV) | 5 | 5 | 4 | Yes | Analysis |
| 2 | 2025 Gauteng Top Schools Teams (U13) | 2025-08-29 | 2025-08-29 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 3 | 2025 Gauteng Schools Provincial Individual Chess Championship (U13 Boys) | 2025-09-27 | 2025-09-27 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 4 | GDE (D8) Sedibeng West Schools - Teams 2025 (U13) | 2025-08-16 | 2025-08-16 | Standard | Sedibeng (GSV) | 5 | 5 | 4 | Yes | Analysis |
| 5 | GDE (D8) Sedibeng West Schools Individuals 2025 (U13 Boys) | 2025-06-07 | 2025-06-07 | Standard | Sedibeng (GSV) | 5 | 5 | 3.5 | Yes | Analysis |
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Chess-in-the-Vaal Academy Blitz Open 25 Oct 2025 (B) | 2025-10-25 | 2025-10-25 | Blitz | Sedibeng (GSV) | 5 | 5 | 4 | Yes | Analysis |
| 2 | 2025 Gauteng Top Schools Teams (U13) | 2025-08-29 | 2025-08-29 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 3 | 2025 Gauteng Schools Provincial Individual Chess Championship (U13 Boys) | 2025-09-27 | 2025-09-27 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 4 | GDE (D8) Sedibeng West Schools - Teams 2025 (U13) | 2025-08-16 | 2025-08-16 | Standard | Sedibeng (GSV) | 5 | 5 | 4 | Yes | Analysis |
| 5 | GDE (D8) Sedibeng West Schools Individuals 2025 (U13 Boys) | 2025-06-07 | 2025-06-07 | Standard | Sedibeng (GSV) | 5 | 5 | 3.5 | Yes | Analysis |
| 6 | Gauteng Top Schools 2024 (U11 Open) | 2024-10-04 | 2024-10-04 | Standard | Ekurhuleni (GE) | 5 | 5 | 2 | Yes | Analysis |
| 7 | Sedibeng West District Schools Chess Team's Championships 2024 (U11) | 2024-08-12 | 2024-08-12 | Standard | Sedibeng (GSV) | 5 | 4 | 3 | Yes | Analysis |
| 8 | 2023 Sedibeng West District Schools Chess Tournament (U9+U11) | 2023-08-12 | 2023-08-12 | Standard | Sedibeng (GSV) | 5 | 5 | 4.5 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | Tournament2023 Sedibeng West District Schools Chess Tournament | Tournament2023 Sedibeng West District Schools Chess Tournament | ||||||
| date2023-08-12 | rnd1 | typeStandard | result1 | date2023-08-12 | rnd5 | typeStandard | result1 | ||
| OpponentVan Vinkeroye, C (Calyn) | OpponentMoyo, M (Mbongiseni) | ||||||||
| 2 | 4 | TournamentSedibeng West District Schools Chess Team's Championships 2024 | TournamentGauteng Top Schools 2024 | ||||||
| date2024-08-12 | rnd2 | typeStandard | result1 | date2024-10-04 | rnd1 | typeStandard | result1 | ||
| OpponentRadebe, P (Puleng) | OpponentNdlovu, N (Nandi) | ||||||||
| 3 | 3 | TournamentChess-in-the-Vaal Academy Blitz Open 25 Oct 2025 | TournamentChess-in-the-Vaal Academy Blitz Open 25 Oct 2025 | ||||||
| date2025-10-25 | rnd1 | typeBlitz | result1 | date2025-10-25 | rnd3 | typeBlitz | result1 | ||
| OpponentColeske, T (Tyler) | OpponentMckinnon, S (Samuel) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | Tournament2023 Sedibeng West District Schools Chess Tournament | Tournament2023 Sedibeng West District Schools Chess Tournament | ||||||
| date2023-08-12 | rnd1 | typeStandard | result1 | date2023-08-12 | rnd5 | typeStandard | result1 | ||
| OpponentVan Vinkeroye, C (Calyn) | OpponentMoyo, M (Mbongiseni) | ||||||||
| 2 | 4 | TournamentSedibeng West District Schools Chess Team's Championships 2024 | TournamentGauteng Top Schools 2024 | ||||||
| date2024-08-12 | rnd2 | typeStandard | result1 | date2024-10-04 | rnd1 | typeStandard | result1 | ||
| OpponentRadebe, P (Puleng) | OpponentNdlovu, N (Nandi) | ||||||||
| 3 | 3 | TournamentGDE (D8) Sedibeng West Schools - Teams 2025 | TournamentGDE (D8) Sedibeng West Schools - Teams 2025 | ||||||
| date2025-08-16 | rnd3 | typeStandard | result1 | date2025-08-16 | rnd5 | typeStandard | result1 | ||
| OpponentRataemane, T (Thapelo) | OpponentVan Zyl, J (Josh) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | TournamentSedibeng West District Schools Chess Team's Championships 2024 | TournamentGauteng Top Schools 2024 | ||||||
| date2024-08-12 | rnd2 | typeStandard | result1 | date2024-10-04 | rnd1 | typeStandard | result1 | ||
| OpponentRadebe, P (Puleng) | OpponentNdlovu, N (Nandi) | ||||||||
| 2 | 3 | TournamentGDE (D8) Sedibeng West Schools - Teams 2025 | TournamentGDE (D8) Sedibeng West Schools - Teams 2025 | ||||||
| date2025-08-16 | rnd3 | typeStandard | result1 | date2025-08-16 | rnd5 | typeStandard | result1 | ||
| OpponentRataemane, T (Thapelo) | OpponentVan Zyl, J (Josh) | ||||||||
| 3 | 3 | TournamentGDE (D8) Sedibeng West Schools Individuals 2025 | TournamentGDE (D8) Sedibeng West Schools Individuals 2025 | ||||||
| date2025-06-07 | rnd1 | typeStandard | result1 | date2025-06-07 | rnd3 | typeStandard | result1 | ||
| OpponentLetsaba, S (Sibusiso) | OpponentLehaba, K (Katleho) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | TournamentSedibeng West District Schools Chess Team's Championships 2024 | TournamentGauteng Top Schools 2024 | ||||||
| date2024-08-12 | rnd2 | typeStandard | result1 | date2024-10-04 | rnd1 | typeStandard | result1 | ||
| OpponentRadebe, P (Puleng) | OpponentNdlovu, N (Nandi) | ||||||||
| 2 | 3 | TournamentGDE (D8) Sedibeng West Schools - Teams 2025 | TournamentGDE (D8) Sedibeng West Schools - Teams 2025 | ||||||
| date2025-08-16 | rnd3 | typeStandard | result1 | date2025-08-16 | rnd5 | typeStandard | result1 | ||
| OpponentRataemane, T (Thapelo) | OpponentVan Zyl, J (Josh) | ||||||||
| 3 | 3 | TournamentGDE (D8) Sedibeng West Schools Individuals 2025 | TournamentGDE (D8) Sedibeng West Schools Individuals 2025 | ||||||
| date2025-06-07 | rnd1 | typeStandard | result1 | date2025-06-07 | rnd3 | typeStandard | result1 | ||
| OpponentLetsaba, S (Sibusiso) | OpponentLehaba, K (Katleho) | ||||||||
| # | 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 | Rataemane ,T (Thapelo) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1248.8 | 1248.8 | 1257.7 | 1248.8 | 0 | 0 | 0 | 0 | ||||||
| 2 | Mofokeng ,NN (Neo Nkululeko) | 1 | 0.5 | 0 | 1 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1235.2 | 1235.2 | 1272.8 | 1235.2 | 0 | 0 | 0 | 0 | ||||||
| 3 | Prinsloo ,V (Veronique) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1328.3 | 903.3 | 1325.3 | 903.3 | 0 | 0 | 0 | 0 | ||||||
| 4 | Maloka ,L (Lesedi) | 1 | 0.5 | 0 | 1 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1263.7 | 1263.7 | 1276.8 | 1263.7 | 0 | 0 | 0 | 0 | ||||||
| 5 | Mutasa ,A (Adrian Tafara) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1587.6 | 1162.6 | 1630.8 | 1162.6 | 0 | 0 | 0 | 0 | ||||||
| 6 | Terwin ,J (Jordin) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1325 | 900 | 1331.1 | 900 | 0 | 0 | 0 | 0 | ||||||
| 7 | Van Zyl ,J (Josh) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1273.3 | 1698.3 | 1269.5 | 1698.3 | 0 | 0 | 0 | 0 | ||||||
| 8 | Brand ,H (Henko) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1606.7 | 2031.7 | 1589.4 | 2031.7 | 0 | 0 | 0 | 0 | ||||||
| 9 | Lehaba ,K (Katleho) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1171.3 | 1596.3 | 1164.9 | 1596.3 | 0 | 0 | 0 | 0 | ||||||
| 10 | Floor ,T (Thomas) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1221.1 | 796.1 | 1223.6 | 796.1 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

