2025 Ballarat Koelle A Rounds 4-7
Open SwissStandard
16 players participated in this 7-round tournament, held from 30 Oct 2025 to 20 Nov 2025 in Ballarat, Australia. 1 titled players. Top 10 Elo average was 0.
Declan Smith (🇦🇺 AUS, CM, 0) won with 4.0/7, ahead of Rodney M Jacobs (3.5) and Vipin Jyani (2.0). Smith shared the lead from round 5 and broke clear in the final round.
Location
🇦🇺Ballarat, Australia
Dates
30 Oct 2025 → 20 Nov 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 7 rounds
Avg top 10
0
Participants
16
Titled players · 1
CM×1
Federations · 1 represented
🇦🇺Australia×16
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsCM Declan Smith led from R7; +0.5-point edge over the runner-up. Title race converged from 6 co-leaders at R4 to 1 by R7.
Co-leaders
17
17
17
6
3
2
1
R7–R7 · LEAD HELD
CM Declan Smith held the sole lead from R7 through R7 without losing it.
WIN STREAKS · 2 top finishers
CM Declan Smith 4 wins (R4–R7)Rodney M Jacobs 3 wins (R4–R6)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1CMDeclan Smith | * | — | — | — |
| 2Rodney M Jacobs | — | * | — | 1 |
| 3Julian Laffey | — | — | * | — |
| 4Bas Van Riel | — | 0 | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Smith, DeclanCM | 0 | AUS | F | F | F | +6N | +11B | +3N | +7B | 4.0 | 6.0 | 6.0 | 6.00 | 2486 | +8.8 |
| 2 | Jacobs, Rodney M | 0 | AUS | F | F | F | +11B | +4N | +8B | =6N | 3.5 | 6.0 | 6.0 | 5.25 | 2040 | +16.0 |
| 3 | Jyani, Vipin | 0 | AUS | F | F | F | +12N | +16B | −1B | −8N | 2.0 | 6.5 | 6.5 | 1.00 | 1736 | +9.0 |
| 4 | Van Riel, Bas | 0 | AUS | F | F | F | +9N | −2B | +11N | F | 2.0 | 6.0 | 6.0 | 2.50 | 1789 | +3.4 |
| 5 | Laffey, Julian | 0 | AUS | F | F | F | +10B | =7N | F | =14B | 2.0 | 3.5 | 3.5 | 2.50 | 1701 | +20.4 |
| 6 | Song, Sam | 0 | AUS | F | F | F | −1B | +14N | F | =2B | 1.5 | 8.0 | 8.0 | 2.25 | 1811 | +9.6 |
| 7 | Cook, Patrick | 0 | AUS | F | F | F | −13N | =5B | +12N | −1N | 1.5 | 8.0 | 8.0 | 2.00 | 1590 | -12.8 |
| 8 | Marko, Paja | 0 | AUS | F | F | F | =15B | −9N | −2N | +3B | 1.5 | 7.5 | 7.5 | 2.25 | 1542 | -12.8 |
| 9 | Guha, Shanaya | 0 | AUS | F | F | F | −4B | +8B | F | =10N | 1.5 | 5.0 | 5.0 | 2.25 | 1628 | +20.8 |
| 10 | Oppenheim, Tom | 0 | AUS | F | F | F | −5N | −12B | +14N | =9B | 1.5 | 5.0 | 5.0 | 1.25 | 1423 | -6.2 |
| 11 | Brotheridge, Jamie | 0 | AUS | F | F | F | −2N | −1N | −4B | +16B | 1.0 | 9.5 | 9.5 | 0.00 | 1640 | -4.2 |
| 12 | Ivory, Trevor | 0 | AUS | F | F | F | −3B | +10N | −7B | F | 1.0 | 5.0 | 5.0 | 1.50 | 1475 | -12.8 |
| 13 | Mahar, Declan | 0 | AUS | F | F | F | +7B | F | F | F | 1.0 | 1.5 | 1.5 | 1.50 | 2494 | +21.2 |
| 14 | Stickland, Peter | 0 | AUS | F | F | F | F | −6B | −10B | =5N | 0.5 | 5.0 | 5.0 | 1.00 | 1279 | -20.6 |
| 15 | Leckie, Michael | 0 | AUS | F | F | F | =8N | F | F | F | 0.5 | 1.5 | 1.5 | 0.75 | 1655 | +2.6 |
| 16 | Perrin, Kevin J | 0 | AUS | F | F | F | F | −3N | F | −11N | 0.0 | 3.0 | 3.0 | 0.00 | 849 | -23.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Mahar, DeclanAUS+21.21.0 pts · #12
- 2Guha, ShanayaAUS+20.81.5 pts · #6
- 3Laffey, JulianAUS+20.42.0 pts · #3
Top rating losers
- 1Perrin, Kevin JAUS-23.00.0 pts · #16
- 2Stickland, PeterAUS-20.60.5 pts · #14
- 3Cook, PatrickAUS-12.81.5 pts · #8