Dubna 2025_open D
Open SwissStandard
11 players participated in this 8-round tournament, held from 13 Nov 2025 to 19 Nov 2025 in Dubna, Russia. Top 10 Elo average was 729, and top seed was Margarita Rom Makeeva (🇷🇺 RUS, 1497).
Aleksandr Andr Marachev (🇷🇺 RUS, 0) won with 7.0/8, ahead of Dmitrii Borisov (7.0) and Ivan Iv Tsubera (5.5). Marachev shared the lead from round 5, winning on tie-break.
Location
🇷🇺Dubna, Russia
Dates
13 Nov 2025 → 19 Nov 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 8 rounds
Federations · 1 represented
🇷🇺Russia×9
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 8 roundsTight race until R8; 2 players tied at 7.0/8, decided on Buchholz. Title race narrowed from 4 co-leaders at R4 to 2 at the finish.
Co-leaders
5
3
2
4
2
2
2
2
R8 · TIEBREAK CLUSTER
2 players finish on 7.0/8. Marachev takes the title on Buchholz Cut1 (31.0).
R3 · HEAD-TO-HEAD · WINNER VS 2ND
Aleksandr Andr Marachev beat Dmitrii Borisov (Black).
WIN STREAKS · 2 top finishers
Aleksandr Andr Marachev 6 wins (R3–R8)Dmitrii Borisov 5 wins (R4–R8)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Aleksandr Andr Marachev | * | 1 | 0 | 1 |
| 2Dmitrii Borisov | 0 | * | 1 | 1 |
| 3Ivan Iv Tsubera | 1 | 0 | * | 0 |
| 4Ivan Grechko | 0 | 0 | 1 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Marachev, Aleksandr Andr | 0 | RUS | +4B | −3B | +2N | +7N | +5B | +6N | +9N | +8B | 7.0 | 31.0 | 32.0 | 26.50 | 1512 | 0.0 |
| 2 | Borisov, Dmitrii | 0 | RUS | +5B | +7N | −1B | +6N | +4B | +3N | +10B | +9N | 7.0 | 31.0 | 31.0 | 24.00 | 1530 | 0.0 |
| 3 | Tsubera, Ivan Iv | 1447 | RUS | +9B | +1N | =6B | −4N | +8B | −2B | +7N | +5B | 5.5 | 32.5 | 33.5 | 19.25 | 1548 | +21.6 |
| 4 | Grechko, Ivan | 1452 | RUS | −1N | +11N | +10B | +3B | −2N | +8B | −5N | +6N | 5.0 | 30.0 | 30.0 | 11.00 | 1701 | +62.8 |
| 5 | Grechko, Anastasiya | 1440 | RUS | −2N | +8B | +9N | +10B | −1N | +7B | +4B | −3N | 5.0 | 29.5 | 29.5 | 10.00 | 1577 | +21.6 |
| 6 | Salomatov, Nikolay D | 0 | RUS | +11B | +10N | =3N | −2B | +9N | −1B | +8N | −4B | 4.5 | 26.5 | 26.5 | 4.75 | 1559 | +21.2 |
| 7 | Fedorov, Vladimir Ser | 0 | RUS | +8N | −2B | +11N | −1B | F | −5N | −3B | +10N | 3.0 | 25.5 | 25.5 | 1.00 | 1462 | 0.0 |
| 8 | Burova, Nadezhda Dm | 1454 | RUS | −7B | −5N | F | +9B | −3N | −4N | −6B | −1N | 1.0 | 31.0 | 31.0 | 1.00 | 650 | -82.0 |
| 9 | FIDE 522098801 | 0 | — | −3N | F | −5B | −8N | −6B | +10N | −1B | −2B | 1.0 | 30.0 | 30.0 | 0.00 | 652 | 0.0 |
| 10 | FIDE 540091740 | 0 | — | F | −6B | −4N | −5N | F | −9B | −2N | −7B | 0.0 | 25.5 | 25.5 | 0.00 | 651 | 0.0 |
| 11 | Makeeva, Margarita Rom | 1497 | RUS | −6N | −4B | −7B | F | F | F | F | F | 0.0 | 12.5 | 12.5 | 0.00 | 655 | -45.2 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Grechko, IvanRUS+62.85.0 pts · #2
- 2Grechko, AnastasiyaRUS+21.65.0 pts · #7
- 3Tsubera, Ivan IvRUS+21.65.5 pts · #4
Top rating losers
- 1Burova, Nadezhda DmRUS-82.01.0 pts · #10
- 2Makeeva, Margarita RomRUS-45.20.0 pts · #8
- 3Fedorov, Vladimir SerRUS0.03.0 pts · #6