PLAYER PAGE
Personal
Van Scheltema, Z (Zacharia)
Chess SA id
1110109258FIDE id
?Date of birth
2011-09-22 (U16)Gender
MaleRegion
Buffalo City (EBC)Citizen
RSATitles
Chess SA registered
NoLast active game
2019-05-04Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1286.2 | 1300.7 | 1200 | 1200 |
| Raw rating | 1286.2 | 1300.7 | 1200 | 1200 |
| Weighted rating | 1286.2 | 1300.7 | 1200 | 1200 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 791.9 | 808.6 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 146.7 | 143.7 | 165.8 | 165.8 |
| Highest rating | 1522.12019-02-01 | 1522.62019-02-01 | 12002018-10-01 | 12002018-10-01 |
| Highest raw rating | 1291.92019-05-01 | 1308.62019-05-01 | 12002024-02-01 | 12002024-02-01 |
| Highest weighted rating | 1291.92021-02-01 | 1308.62021-02-01 | 12002018-10-01 | 12002018-10-01 |
| Highest weighted performance | 1522.12019-02-01 | 1522.62019-02-01 | 12002024-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1286.2 | 1300.7 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1286.2 | 1300.7 | 1200 | 1200 |
| Raw rating | 1286.2 | 1300.7 | 1200 | 1200 |
| Weighted rating | 1286.2 | 1300.7 | 1200 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 791.9 | 808.6 | 700 | 700 |
| Max/Min rating change allowed | 146.7 | 143.7 | 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 | 1286.2 | 1300.7 | 1200 | 1200 |
| New weighted rating | 1286.2 | 1300.7 | 1200 | 1200 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1286.2 | 1300.7 | 1200 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1286.2 | 1300.7 | 1200 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 791.9 | 808.6 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 17 | 17 | 0 | 0 |
| Games since | |||||||||||||||||
| Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U16 | ||||||||||||||||
| Region | Buffalo City (EBC) | ||||||||||||||||
| Province | Eastern Cape (EC) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 Male | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 Male | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 Male | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 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 | 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 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 17 | 11.5 | 67.65 | 150 | 1214.8 | 1364.8 |
| Standard | 17 | 11.5 | 67.65 | 150 | 1214.8 | 1364.8 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1286.2 | 1300.7 | 1200 | 1200 |
| 2025-09-30 | 1286.2 | 1300.7 | 1200 | 1200 |
| 2025-09-01 | 1286.2 | 1300.7 | 1200 | 1200 |
| 2025-08-01 | 1286.2 | 1300.7 | 1200 | 1200 |
| 2025-07-01 | 1286.2 | 1300.7 | 1200 | 1200 |
| 2025-06-01 | 1286.2 | 1300.7 | 1200 | 1200 |
| 2025-05-01 | 1286.2 | 1300.7 | 1200 | 1200 |
| 2025-04-01 | 1286.2 | 1300.7 | 1200 | 1200 |
| 2025-03-01 | 1286.2 | 1300.7 | 1200 | 1200 |
| 2025-02-01 | 1286.2 | 1300.7 | 1200 | 1200 |
| 2025-01-01 | 1286.2 | 1300.7 | 1200 | 1200 |
| 2024-12-01 | 1286.2 | 1300.7 | 1200 | 1200 |
| 2024-11-01 | 1286.2 | 1300.7 | 1200 | 1200 |
| 2024-10-01 | 1286.2 | 1300.7 | 1200 | 1200 |
| 2024-09-01 | 1286.2 | 1300.7 | 1200 | 1200 |
| 2024-08-01 | 1286.2 | 1300.7 | 1200 | 1200 |
| 2024-07-01 | 1286.2 | 1300.7 | 1200 | 1200 |
| 2024-09-01 | 1286.2 | 1300.7 | 1200 | 1200 |
| 2024-05-01 | 1286.2 | 1300.7 | 1200 | 1200 |
| 2024-04-01 | 1286.2 | 1300.7 | 1200 | 1200 |
| 2024-03-01 | 1286.2 | 1300.7 | 1200 | 1200 |
| 2024-02-01 | 1286.2 | 1300.7 | 1200 | 1200 |
| 2024-01-01 | 1286.2 | 1300.7 | 1200 | 1200 |
| 2023-12-01 | 1286.2 | 1300.7 | 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 |
|---|
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Buffalo City Trials 4 of 5 2019 (U10B) | 2019-05-04 | 2019-05-04 | Standard | Buffalo City (EBC) | 5 | 3 | 1.5 | Yes | Analysis |
| 2 | Buffalo City Trials 3 of 5 2019 (U10B) | 2019-04-13 | 2019-04-13 | Standard | Buffalo City (EBC) | 5 | 5 | 3 | Yes | Analysis |
| 3 | Buffalo City Trials 2 of 5 2019 (U8B+U10B) | 2019-02-23 | 2019-02-23 | Standard | Buffalo City (EBC) | 5 | 4 | 4 | Yes | Analysis |
| 4 | Buffalo City Trials 1 of 5 2019 (U10B) | 2019-02-09 | 2019-02-09 | Standard | Buffalo City (EBC) | 5 | 5 | 3 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 6 | TournamentBuffalo City Trials 2 of 5 2019 | TournamentBuffalo City Trials 3 of 5 2019 | ||||||
| date2019-02-23 | rnd2 | typeStandard | result1 | date2019-04-13 | rnd2 | typeStandard | result1 | ||
| OpponentHuman, M (Maritz) | OpponentDe Villiers, D (Dane) | ||||||||
| 2 | 3 | TournamentBuffalo City Trials 1 of 5 2019 | TournamentBuffalo City Trials 1 of 5 2019 | ||||||
| date2019-02-09 | rnd1 | typeStandard | result1 | date2019-02-09 | rnd3 | typeStandard | result1 | ||
| OpponentIrving, T (Tyler) | OpponentKoshy, R (Rochelle) | ||||||||
| 3 | 1 | TournamentBuffalo City Trials 4 of 5 2019 | TournamentBuffalo City Trials 4 of 5 2019 | ||||||
| date2019-05-04 | rnd5 | typeStandard | result0.5 | date2019-05-04 | rnd5 | typeStandard | result0.5 | ||
| OpponentSummers, C (Cruz) | OpponentSummers, C (Cruz) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 6 | TournamentBuffalo City Trials 2 of 5 2019 | TournamentBuffalo City Trials 3 of 5 2019 | ||||||
| date2019-02-23 | rnd2 | typeStandard | result1 | date2019-04-13 | rnd2 | typeStandard | result1 | ||
| OpponentHuman, M (Maritz) | OpponentDe Villiers, D (Dane) | ||||||||
| 2 | 3 | TournamentBuffalo City Trials 1 of 5 2019 | TournamentBuffalo City Trials 1 of 5 2019 | ||||||
| date2019-02-09 | rnd1 | typeStandard | result1 | date2019-02-09 | rnd3 | typeStandard | result1 | ||
| OpponentIrving, T (Tyler) | OpponentKoshy, R (Rochelle) | ||||||||
| 3 | 1 | TournamentBuffalo City Trials 4 of 5 2019 | TournamentBuffalo City Trials 4 of 5 2019 | ||||||
| date2019-05-04 | rnd5 | typeStandard | result0.5 | date2019-05-04 | rnd5 | typeStandard | result0.5 | ||
| OpponentSummers, C (Cruz) | OpponentSummers, C (Cruz) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 6 | TournamentBuffalo City Trials 2 of 5 2019 | TournamentBuffalo City Trials 3 of 5 2019 | ||||||
| date2019-02-23 | rnd2 | typeStandard | result1 | date2019-04-13 | rnd2 | typeStandard | result1 | ||
| OpponentHuman, M (Maritz) | OpponentDe Villiers, D (Dane) | ||||||||
| 2 | 3 | TournamentBuffalo City Trials 1 of 5 2019 | TournamentBuffalo City Trials 1 of 5 2019 | ||||||
| date2019-02-09 | rnd1 | typeStandard | result1 | date2019-02-09 | rnd3 | typeStandard | result1 | ||
| OpponentIrving, T (Tyler) | OpponentKoshy, R (Rochelle) | ||||||||
| 3 | 1 | TournamentBuffalo City Trials 4 of 5 2019 | TournamentBuffalo City Trials 4 of 5 2019 | ||||||
| date2019-05-04 | rnd3 | typeStandard | result1 | date2019-05-04 | rnd3 | typeStandard | result1 | ||
| OpponentMpika, L (Likhona) | OpponentMpika, L (Likhona) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 6 | TournamentBuffalo City Trials 2 of 5 2019 | TournamentBuffalo City Trials 3 of 5 2019 | ||||||
| date2019-02-23 | rnd2 | typeStandard | result1 | date2019-04-13 | rnd2 | typeStandard | result1 | ||
| OpponentHuman, M (Maritz) | OpponentDe Villiers, D (Dane) | ||||||||
| 2 | 3 | TournamentBuffalo City Trials 1 of 5 2019 | TournamentBuffalo City Trials 1 of 5 2019 | ||||||
| date2019-02-09 | rnd1 | typeStandard | result1 | date2019-02-09 | rnd3 | typeStandard | result1 | ||
| OpponentIrving, T (Tyler) | OpponentKoshy, R (Rochelle) | ||||||||
| 3 | 1 | TournamentBuffalo City Trials 4 of 5 2019 | TournamentBuffalo City Trials 4 of 5 2019 | ||||||
| date2019-05-04 | rnd3 | typeStandard | result1 | date2019-05-04 | rnd3 | typeStandard | result1 | ||
| OpponentMpika, L (Likhona) | OpponentMpika, L (Likhona) | ||||||||
| # | 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 | Wolmarans ,R (Ricardo) | 3 | 1 | -141.7 | 3 | 1 | -141.7 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1257.7 | 1116.1 | 1269.1 | 1116.1 | 0 | 0 | 0 | 0 | ||||||
| 2 | Human ,M (Maritz) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1200 | 1200 | 1200 | 0 | 0 | 0 | 0 | ||||||
| 3 | Blom ,B (Blake) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 4 | Bartlett ,D (Dan) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1242.8 | 817.8 | 1251.6 | 817.8 | 0 | 0 | 0 | 0 | ||||||
| 5 | Summers ,C (Cruz) | 1 | 0.5 | 0 | 1 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1228.6 | 1228.6 | 1237.2 | 1228.6 | 0 | 0 | 0 | 0 | ||||||
| 6 | Janse Van Rensburg ,R (Ruaan) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1216.6 | 1641.6 | 1220 | 1641.6 | 0 | 0 | 0 | 0 | ||||||
| 7 | Mpika ,L (Likhona) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1142.9 | 1567.9 | 1133.2 | 1567.9 | 0 | 0 | 0 | 0 | ||||||
| 8 | Koshy ,R (Rochelle) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1217.2 | 1642.2 | 1223.5 | 1642.2 | 0 | 0 | 0 | 0 | ||||||
| 9 | De Villiers ,D (Dane) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1201.3 | 1626.3 | 1201.6 | 1626.3 | 0 | 0 | 0 | 0 | ||||||
| 10 | Mquqo ,I (Iyana) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1186.1 | 1611.1 | 1183.2 | 1611.1 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

