PLAYER PAGE
Personal
De Jager, R (Riaan)
Chess SA id
1860300731FIDE id
?Date of birth
1986-02-05 (Adult)Gender
MaleRegion
Bojanala Platina (NBR)Citizen
RSATitles
Chess SA registered
NoLast active game
2025-10-05Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1286.7 | 1345.4 | 1199.4 | 1200 |
| Raw rating | 1286.7 | 1345.4 | 1199.4 | 1200 |
| Weighted rating | 1257.6 | 1298.8 | 1199.4 | 1200 |
| Weighted performance | 1230.7 | 1297.4 | 0 | 0 |
| Floor | 810.5 | 899.8 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 146.5 | 134.8 | 165.9 | 165.8 |
| Highest rating | 1310.52025-05-05 | 1399.82025-05-05 | 12002024-04-01 | 12002024-04-01 |
| Highest raw rating | 1310.52025-05-05 | 1399.82025-05-05 | 12002024-04-01 | 12002024-04-01 |
| Highest weighted rating | 1310.52024-03-01 | 1399.82024-03-01 | 12002024-04-01 | 12002024-04-01 |
| Highest weighted performance | 13022025-05-05 | 1399.82024-10-01 | 12002024-04-01 | 12002024-04-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1286.7 | 1345.4 | 1199.4 | 1200 |
| Analysis | ||||
| Rating | 1286.7 | 1345.4 | 1199.4 | 1200 |
| Raw rating | 1286.7 | 1345.4 | 1199.4 | 1200 |
| Weighted rating | 1257.6 | 1298.8 | 1199.4 | |
| Weighted performance | 1230.7 | 1297.4 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 810.5 | 899.8 | 700 | 700 |
| Max/Min rating change allowed | 146.5 | 134.8 | 165.9 | 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 | 1286.7 | 1345.4 | 1199.4 | 1200 |
| New weighted rating | 1261.9 | 1306 | 1199.4 | 1200 |
| New weighted performance | 1223.2 | 1289.4 | 0 | 0 |
| Temp new rating | 1286.7 | 1345.4 | 1199.4 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1286.7 | 1345.4 | 1199.4 | 1200 |
| New K-factor | 36 | 40 | 36 | 36 |
| New floor | 810.5 | 899.8 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 30 | 26 | 4 | 0 | |
| 15 | 15 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 45 | 41 | 4 | 0 |
| Games since | |||||||||||||||||
| Main45 | Standard41 | Rapid4 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | Adult | ||||||||||||||||
| Region | Bojanala Platina (NBR) | ||||||||||||||||
| Province | Northwest (NW) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | 3389 | 203 | 159 | ||||||||||||||
| Male | 2637 | 168 | 130 | ||||||||||||||
| Adult | 603 | 40 | 26 | ||||||||||||||
| Adult Male | 550 | 36 | 23 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | 2704 | 198 | 142 | ||||||||||||||
| Male | 2167 | 168 | 117 | ||||||||||||||
| Adult | 526 | 46 | 28 | ||||||||||||||
| Adult Male | 481 | 42 | 25 | ||||||||||||||
| 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 | 30 | 12.5 | 41.67 | -70.8 | 1366.1 | 1295.3 |
| Standard | 26 | 12.5 | 48.08 | -16.3 | 1374.3 | 1357.9 |
| Rapid | 4 | 0 | 0 | -425 | 1313.1 | 888.1 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 45 | 19 | 42.22 | -66.1 | 1336.3 | 1270.2 |
| Standard | 41 | 19 | 46.34 | -31.1 | 1338.6 | 1307.5 |
| Rapid | 4 | 0 | 0 | -425 | 1313.1 | 888.1 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1286.7 | 1345.4 | 1199.4 | 1200 |
| 2025-09-30 | 1310.5 | 1399.8 | 1199.4 | 1200 |
| 2025-09-01 | 1310.5 | 1399.8 | 1199.4 | 1200 |
| 2025-08-01 | 1310.5 | 1399.8 | 1199.4 | 1200 |
| 2025-07-01 | 1310.5 | 1399.8 | 1199.4 | 1200 |
| 2025-06-01 | 1310.5 | 1399.8 | 1199.4 | 1200 |
| 2025-05-01 | 1310.5 | 1399.8 | 1199.1 | 1200 |
| 2025-04-01 | 1244.6 | 1281.3 | 1194.2 | 1200 |
| 2025-03-01 | 1225.8 | 1219.6 | 1200 | 1200 |
| 2025-02-01 | 1225.8 | 1219.6 | 1200 | 1200 |
| 2025-01-01 | 1225.8 | 1219.6 | 1200 | 1200 |
| 2024-12-01 | 1225.8 | 1219.6 | 1200 | 1200 |
| 2024-11-01 | 1225.8 | 1219.6 | 1200 | 1200 |
| 2024-10-01 | 1193.6 | 1192.4 | 1200 | 1200 |
| 2024-09-01 | 1193.6 | 1192.4 | 1200 | 1200 |
| 2024-08-01 | 1193.6 | 1192.4 | 1200 | 1200 |
| 2024-07-01 | 1193.6 | 1192.4 | 1200 | 1200 |
| 2024-09-01 | 1193.6 | 1192.4 | 1200 | 1200 |
| 2024-05-01 | 1138.2 | 1122.8 | 1200 | 1200 |
| 2024-04-01 | 1138.2 | 1122.8 | 1200 | 1200 |
| 2024-03-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-02-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-01-01 | 1200 | 1200 | 1200 | 1200 |
| 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 | Bojanala's FIDE On The Orion Express 2025 (Parents) | 2025-10-04 | 2025-10-05 | Standard | Bojanala Platina (NBR) | 7 | 7 | 3 | Yes | Analysis |
| 2 | Bojanala's Rosewood Easter Open 2025 (Rooks) | 2025-04-19 | 2025-04-19 | Standard | Bojanala Platina (NBR) | 5 | 5 | 2.5 | Yes | Analysis |
| 3 | Lejweleputswa Chess 3rd Qualifying Swiss Open Tournament 2025 (Open) | 2025-03-29 | 2025-03-29 | Standard | Lejweleputswa (FLW) | 5 | 4 | 2 | Yes | Analysis |
| 4 | Uni-Mates Chess Fundraiser Tournament 2025 (Queens) | 2025-03-22 | 2025-03-22 | Rapid | West Rand (GWR) | 5 | 4 | 0 | Yes | Analysis |
| 5 | Bojanala's Waterkloof - The Superior One 2025 (Parents) | 2025-03-15 | 2025-03-15 | Standard | Bojanala Platina (NBR) | 5 | 5 | 3 | Yes | Analysis |
| 6 | Bojanala Circuit Championships 1 of 4 2025 | 2025-03-01 | 2025-03-01 | Standard | Bojanala Platina (NBR) | 5 | 5 | 2 | Yes | Analysis |
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Bojanala's FIDE On The Orion Express 2025 (Parents) | 2025-10-04 | 2025-10-05 | Standard | Bojanala Platina (NBR) | 7 | 7 | 3 | Yes | Analysis |
| 2 | Bojanala's Rosewood Easter Open 2025 (Rooks) | 2025-04-19 | 2025-04-19 | Standard | Bojanala Platina (NBR) | 5 | 5 | 2.5 | Yes | Analysis |
| 3 | Lejweleputswa Chess 3rd Qualifying Swiss Open Tournament 2025 (Open) | 2025-03-29 | 2025-03-29 | Standard | Lejweleputswa (FLW) | 5 | 4 | 2 | Yes | Analysis |
| 4 | Uni-Mates Chess Fundraiser Tournament 2025 (Queens) | 2025-03-22 | 2025-03-22 | Rapid | West Rand (GWR) | 5 | 4 | 0 | Yes | Analysis |
| 5 | Bojanala's Waterkloof - The Superior One 2025 (Parents) | 2025-03-15 | 2025-03-15 | Standard | Bojanala Platina (NBR) | 5 | 5 | 3 | Yes | Analysis |
| 6 | Bojanala Circuit Championships 1 of 4 2025 | 2025-03-01 | 2025-03-01 | Standard | Bojanala Platina (NBR) | 5 | 5 | 2 | Yes | Analysis |
| 7 | Bojanala's Battle of Mount Cambridge 2024 (Bishops) | 2024-10-05 | 2024-10-05 | Standard | Bojanala Platina (NBR) | 5 | 5 | 3 | Yes | Analysis |
| 8 | Spartan Bishops Chess Championships 2024 (Seniors) | 2024-05-04 | 2024-05-05 | Standard | Bojanala Platina (NBR) | 5 | 5 | 3.5 | Yes | Analysis |
| 9 | Bojanala Silwerrand's Rating Implosion 2024 (Kings) | 2024-03-16 | 2024-03-16 | Standard | Bojanala Platina (NBR) | 5 | 5 | 0 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | TournamentSpartan Bishops Chess Championships 2024 | TournamentBojanala's Battle of Mount Cambridge 2024 | ||||||
| date2024-05-04 | rnd2 | typeStandard | result1 | date2024-10-05 | rnd1 | typeStandard | result1 | ||
| OpponentNkuba, M (Michal) | OpponentMaphoso, B (Boithabiso) | ||||||||
| 2 | 3 | TournamentBojanala's Waterkloof - The Superior One 2025 | TournamentBojanala's Waterkloof - The Superior One 2025 | ||||||
| date2025-03-15 | rnd2 | typeStandard | result1 | date2025-03-15 | rnd4 | typeStandard | result1 | ||
| OpponentMonare, T (Tlhogi) | OpponentDe Jager, B (Bianca) | ||||||||
| 3 | 2 | TournamentBojanala's FIDE On The Orion Express 2025 | TournamentBojanala's FIDE On The Orion Express 2025 | ||||||
| date2025-10-05 | rnd5 | typeStandard | result1 | date2025-10-05 | rnd6 | typeStandard | result1 | ||
| OpponentSmit, P (Petro) | OpponentSimpson, P (Paul) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | TournamentSpartan Bishops Chess Championships 2024 | TournamentBojanala's Battle of Mount Cambridge 2024 | ||||||
| date2024-05-04 | rnd2 | typeStandard | result1 | date2024-10-05 | rnd1 | typeStandard | result1 | ||
| OpponentNkuba, M (Michal) | OpponentMaphoso, B (Boithabiso) | ||||||||
| 2 | 3 | TournamentBojanala's Waterkloof - The Superior One 2025 | TournamentBojanala's Waterkloof - The Superior One 2025 | ||||||
| date2025-03-15 | rnd2 | typeStandard | result1 | date2025-03-15 | rnd4 | typeStandard | result1 | ||
| OpponentMonare, T (Tlhogi) | OpponentDe Jager, B (Bianca) | ||||||||
| 3 | 2 | TournamentBojanala's Rosewood Easter Open 2025 | TournamentBojanala's Rosewood Easter Open 2025 | ||||||
| date2025-04-19 | rnd2 | typeStandard | result1 | date2025-04-19 | rnd3 | typeStandard | result1 | ||
| OpponentVenter, R (Ruah) | OpponentMokgatle, N (Neoetlile) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentBojanala's Waterkloof - The Superior One 2025 | TournamentBojanala's Waterkloof - The Superior One 2025 | ||||||
| date2025-03-15 | rnd2 | typeStandard | result1 | date2025-03-15 | rnd4 | typeStandard | result1 | ||
| OpponentMonare, T (Tlhogi) | OpponentDe Jager, B (Bianca) | ||||||||
| 2 | 3 | TournamentSpartan Bishops Chess Championships 2024 | TournamentSpartan Bishops Chess Championships 2024 | ||||||
| date2024-05-04 | rnd2 | typeStandard | result1 | date2024-05-04 | rnd4 | typeStandard | result1 | ||
| OpponentNkuba, M (Michal) | OpponentFelix, A (Antonysamy) | ||||||||
| 3 | 2 | TournamentBojanala's Rosewood Easter Open 2025 | TournamentBojanala's Rosewood Easter Open 2025 | ||||||
| date2025-04-19 | rnd2 | typeStandard | result1 | date2025-04-19 | rnd3 | typeStandard | result1 | ||
| OpponentVenter, R (Ruah) | OpponentMokgatle, N (Neoetlile) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentBojanala's Waterkloof - The Superior One 2025 | TournamentBojanala's Waterkloof - The Superior One 2025 | ||||||
| date2025-03-15 | rnd2 | typeStandard | result1 | date2025-03-15 | rnd4 | typeStandard | result1 | ||
| OpponentMonare, T (Tlhogi) | OpponentDe Jager, B (Bianca) | ||||||||
| 2 | 3 | TournamentSpartan Bishops Chess Championships 2024 | TournamentSpartan Bishops Chess Championships 2024 | ||||||
| date2024-05-04 | rnd2 | typeStandard | result1 | date2024-05-04 | rnd4 | typeStandard | result1 | ||
| OpponentNkuba, M (Michal) | OpponentFelix, A (Antonysamy) | ||||||||
| 3 | 2 | TournamentBojanala's Rosewood Easter Open 2025 | TournamentBojanala's Rosewood Easter Open 2025 | ||||||
| date2025-04-19 | rnd2 | typeStandard | result1 | date2025-04-19 | rnd3 | typeStandard | result1 | ||
| OpponentVenter, R (Ruah) | OpponentMokgatle, N (Neoetlile) | ||||||||
| # | 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 | De Jager ,B (Bianca) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1206.6 | 1206.6 | 1202.6 | 1206.6 | 0 | 0 | 0 | 0 | ||||||
| 2 | Monare ,L (Lekgila David) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1311.7 | 886.7 | 1309.4 | 886.7 | 0 | 0 | 0 | 0 | ||||||
| 3 | September ,L (Lincohn) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1490.3 | 1490.3 | 1491.4 | 1490.3 | 0 | 0 | 0 | 0 | ||||||
| 4 | Labuschagne ,D (Dawie) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1292.9 | 867.9 | 1311.7 | 867.9 | 0 | 0 | 0 | 0 | ||||||
| 5 | Monamatha ,M (Moeketsi) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1421.7 | 996.7 | 1426.4 | 996.7 | 0 | 0 | 0 | 0 | ||||||
| 6 | Monare ,T (Tlhogi) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1180.2 | 1605.2 | 1199.5 | 1605.2 | 0 | 0 | 0 | 0 | ||||||
| 7 | Maruatona ,T (Tshenolo) | 1 | 0.5 | 0 | 1 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1200 | 1200 | 1200 | 0 | 0 | 0 | 0 | ||||||
| 8 | Mann ,I (Iowan) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1685 | 1260 | 1692 | 1260 | 0 | 0 | 0 | 0 | ||||||
| 9 | Sefodi ,T (Tshepiso) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1651.9 | 1226.9 | 1707.8 | 1226.9 | 0 | 0 | 0 | 0 | ||||||
| 10 | Abercrombie ,KV (Keith Vernin) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1333.6 | 908.6 | 1312.5 | 908.6 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|