2025 Ballarat Koelle B Rounds 1-3
Open SwissStandard
22 players participated in this 3-round tournament, held from 09 Oct 2025 to 23 Oct 2025 in Ballarat, Australia. Top 10 Elo average was 0.
Zachariah Jacob (🇦🇺 AUS, 0) won with 3.0/3, ahead of Methuja Dissanayake (3.0) and Alberto Biju (3.0). Jacob shared the lead from round 2, winning on tie-break.
Location
🇦🇺Ballarat, Australia
Dates
09 Oct 2025 → 23 Oct 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 3 rounds
Avg top 10
0
Participants
22
Federations · 1 represented
🇦🇺Australia×12
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 3 roundsTight race until R3; 3 players tied at 3.0/3, decided on Buchholz.
Co-leaders
15
6
3
R3 · TIEBREAK CLUSTER
3 players finish on 3.0/3. Jacob takes the title on Buchholz Cut1 (4.0).
WIN STREAKS · 3 top finishers
Methuja Dissanayake 3 wins (R1–R3)Zachariah Jacob 3 wins (R1–R3)Alberto Biju 3 wins (R1–R3)
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Jacob, Zachariah | 0 | AUS | +17B | +5N | +6B | 3.0 | 4.0 | 4.5 | 4.50 | 2236 | +17.6 |
| 2 | Dissanayake, Methuja | 0 | AUS | +18N | +4B | +8N | 3.0 | 4.0 | 4.0 | 4.00 | 2268 | +40.4 |
| 3 | Biju, Alberto | 0 | AUS | +19B | +11N | +7B | 3.0 | 3.0 | 3.0 | 3.00 | 2325 | +20.0 |
| 4 | Barnett, Jasan | 0 | AUS | +14B | −2N | +15B | 2.0 | 4.0 | 5.0 | 2.00 | 667 | -20.4 |
| 5 | Sebastian, Davin | 0 | AUS | +20N | −1B | +12N | 2.0 | 4.0 | 4.0 | 1.00 | 678 | -17.6 |
| 6 | FIDE 3296113 | 0 | — | +21N | +12B | −1N | 2.0 | 4.0 | 4.0 | 1.00 | 678 | 0.0 |
| 7 | Mewett, Lachlan | 0 | AUS | +?N | +?B | −3N | 2.0 | 3.0 | 3.0 | 0.00 | 1466 | 0.0 |
| 8 | Wansapura, Minsadi Chamathka | 0 | AUS | +?B | +?N | −2B | 2.0 | 3.0 | 3.0 | 0.00 | 667 | 0.0 |
| 9 | Lambrou, Ryan | 0 | AUS | −11B | +13N | +?B | 2.0 | 2.0 | 2.0 | 1.00 | 725 | 0.0 |
| 10 | FIDE 3296148 | 0 | — | F | +18B | +?N | 2.0 | 0.0 | 0.0 | 0.00 | 1484 | 0.0 |
| 11 | Heawood, Oscar | 0 | AUS | +9N | −3B | F | 1.0 | 5.0 | 5.0 | 2.00 | 725 | -20.0 |
| 12 | FIDE 3297659 | 0 | — | +?B | −6N | −5B | 1.0 | 4.0 | 4.0 | 0.00 | 636 | 0.0 |
| 13 | FIDE 3296105 | 0 | — | −?N | −9B | +?N | 1.0 | 2.0 | 2.0 | 0.00 | 710 | 0.0 |
| 14 | FIDE 3291677 | 0 | — | −4N | F | +?B | 1.0 | 2.0 | 2.0 | 0.00 | 671 | 0.0 |
| 15 | Nawinprabhu, Mridul | 0 | AUS | +?N | −?B | −4N | 1.0 | 2.0 | 2.0 | 0.00 | 671 | 0.0 |
| 16 | Thekkan, Maximus | 0 | AUS | F | F | +18N | 1.0 | 0.0 | 0.0 | 0.00 | 1484 | 0.0 |
| 17 | FIDE 3282511 | 0 | — | −1N | F | =?B | 0.5 | 3.0 | 3.0 | 0.00 | 678 | 0.0 |
| 18 | Wansapura, Mindinu Sasen | 0 | AUS | −2B | −10N | −16B | 0.0 | 5.0 | 6.0 | 0.00 | 667 | -20.0 |
| 19 | FIDE 3274233 | 0 | — | −3N | F | F | 0.0 | 3.0 | 3.0 | 0.00 | 725 | 0.0 |
| 20 | FIDE 3297683 | 0 | — | −5B | F | F | 0.0 | 2.0 | 2.0 | 0.00 | 636 | 0.0 |
| 21 | FIDE 3292800 | 0 | — | −6B | −?N | −?B | 0.0 | 2.0 | 2.0 | 0.00 | 678 | 0.0 |
| 22 | FIDE 3295508 | 0 | — | −?N | F | F | 0.0 | 0.0 | 0.0 | 0.00 | 606 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Dissanayake, MethujaAUS+40.43.0 pts · #1
- 2Biju, AlbertoAUS+20.03.0 pts · #5
- 3Jacob, ZachariahAUS+17.63.0 pts · #3
Top rating losers
- 1Barnett, JasanAUS-20.42.0 pts · #19
- 2Heawood, OscarAUS-20.01.0 pts · #15
- 3Wansapura, Mindinu SasenAUS-20.00.0 pts · #8