Debra Shannon International
Open SwissStandard
10 players participated in this 4-round tournament, held from 30 Jun 2025 to 21 Jul 2025 in Boise, ID, United States. Top 10 Elo average was 0, and top seed was Cristian Campos (🇨🇴 COL, 1904).
Louis M Bash (🇺🇸 USA, 0) won with 2.5/4, ahead of Michael D Vanya (2.5) and Garrett Jeremyah Todd (2.0).
Location
🇺🇸Boise, ID, United States
Dates
30 Jun 2025 → 21 Jul 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 4 rounds
Avg top 10
0
Participants
10
Federations · 1 represented
🇺🇸United States of America×6
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 4 roundsTight race until R4; 2 players tied at 2.5/4, decided on Buchholz.
Co-leaders
4
1
2
1
R4 · LEADER CHANGE21 Jul
Zackary T Semancik takes the sole lead (3.0/4).
R4 · TIEBREAK CLUSTER
2 players finish on 2.5/4. Bash takes the title on Buchholz Cut1 (2.0).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Michael D Vanya | * | — | ½ | — |
| 2Louis M Bash | — | * | 1 | — |
| 3Garrett Jeremyah Todd | ½ | 0 | * | — |
| 4Jesse Batten | — | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Bash, Louis M | 0 | USA | −?B | +?N | =?N | +3B | 2.5 | 2.0 | 2.0 | 2.00 | 1857 | 0.0 |
| 2 | Vanya, Michael D | 0 | USA | F | +?N | =3B | +?N | 2.5 | 2.0 | 2.0 | 1.00 | 1593 | 0.0 |
| 3 | Todd, Garrett Jeremyah | 0 | USA | +?N | =?B | =2N | −1N | 2.0 | 5.0 | 5.0 | 1.25 | 1843 | 0.0 |
| 4 | Batten, Jesse | 0 | USA | +9N | F | F | =?B | 1.5 | 0.0 | 0.0 | 0.00 | 1823 | 0.0 |
| 5 | Kunzman, Matthew Dean | 0 | USA | +6B | F | −?N | −?B | 1.0 | 1.0 | 1.0 | 1.00 | 914 | 0.0 |
| 6 | FIDE 2091674 | 0 | — | −5N | −?B | F | +?N | 1.0 | 1.0 | 1.0 | 0.00 | 914 | 0.0 |
| 7 | Sengendo, Keneth P | 0 | USA | F | F | F | +?B | 1.0 | 0.0 | 0.0 | 0.00 | 1703 | 0.0 |
| 8 | FIDE 39988716 | 0 | — | F | −?B | =?N | F | 0.5 | 0.0 | 0.0 | 0.00 | 1023 | 0.0 |
| 9 | FIDE 39985636 | 0 | — | −4B | F | F | −?N | 0.0 | 1.5 | 1.5 | 0.00 | 931 | 0.0 |
| 10 | FIDE 30993008 | 0 | — | F | F | F | −?B | 0.0 | 0.0 | 0.0 | 0.00 | 914 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Bash, Louis MUSA0.02.5 pts · #2
- 2FIDE 309930080.00.0 pts · #7
- 3FIDE 20916740.01.0 pts · #8
Top rating losers
- 1Bash, Louis MUSA0.02.5 pts · #2
- 2FIDE 309930080.00.0 pts · #7
- 3FIDE 20916740.01.0 pts · #8