Prize of the Chess Federation of the Leningrad Region 2025. B11
Open SwissStandard
23 players participated in this 9-round tournament, held from 20 Oct 2025 to 25 Oct 2025 in Tosno, Russia. Top 10 Elo average was 1252, and top seed was Nikolay Meleshko (🇷🇺 RUS, 1749).
Nikolay Meleshko (🇷🇺 RUS, 1749) won with 8.5/9, ahead of Andrei Savin (7.0) and Alexandr Serg Tkachenko (6.0). Meleshko won solo starting round 4.
Location
🇷🇺Tosno, Russia
Dates
20 Oct 2025 → 25 Oct 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 9 rounds
Federations · 1 represented
🇷🇺Russia×16
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 9 roundsNikolay Meleshko led from R4; +1.5-point edge over the runner-up.
Co-leaders
14
5
2
1
1
1
1
1
1
R4–R9 · LEAD HELD
Nikolay Meleshko never relinquished the lead after R4; final gap +1.5 over the runner-up.
R5 · HEAD-TO-HEAD · WINNER VS 2ND
Nikolay Meleshko drew with Andrei Savin (White).
WIN STREAKS · 2 top finishers
Nikolay Meleshko 4+4 wins (R1–R4, R6–R9)Alexandr Serg Tkachenko 3 wins (R1–R3)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Nikolay Meleshko | * | ½ | 1 | 1 |
| 2Andrei Savin | ½ | * | ½ | ½ |
| 3Alexandr Serg Tkachenko | 0 | ½ | * | — |
| 4Mark Gorskiy | 0 | ½ | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | R9 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Meleshko, Nikolay | 1749 | RUS | +19B | +13N | +6B | +3N | =2B | +4N | +7B | +8N | +5B | 8.5 | 45.5 | 49.5 | 46.00 | 1944 | +37.2 |
| 2 | Savin, Andrei | 1520 | RUS | +22N | +10B | =5N | +9B | =1N | =3B | +11N | =4B | +6N | 7.0 | 47.0 | 49.5 | 36.50 | 1697 | +56.4 |
| 3 | Tkachenko, Alexandr Serg | 1527 | RUS | +23B | +12N | +8B | −1B | +5N | =2N | +10B | −6N | =9B | 6.0 | 47.5 | 48.5 | 28.25 | 1576 | +15.2 |
| 4 | Gorskiy, Mark | 1531 | RUS | +16N | =7B | =9N | +14B | +11N | −1B | =5N | =2N | +10B | 6.0 | 46.5 | 51.0 | 30.75 | 1498 | -9.6 |
| 5 | Yanelyunas, Dmitriy | 1561 | RUS | +20B | +14N | =2B | =6N | −3B | +16N | =4B | +7N | −1N | 5.5 | 47.5 | 51.0 | 27.25 | 1427 | -36.8 |
| 6 | Rozhnov, Gleb | 1552 | RUS | +17N | +11B | −1N | =5B | −7B | +22N | +15N | +3B | −2B | 5.5 | 46.5 | 49.0 | 25.25 | 1501 | -12.4 |
| 7 | Perunov, Daniil Ol | 0 | RUS | +?N | =4N | −13B | +17B | +6N | +8B | −1N | −5B | +15B | 5.5 | 44.5 | 44.5 | 23.00 | 1591 | 0.0 |
| 8 | Slaboda, Egor | 1565 | RUS | +15N | =9B | −3N | +18B | +13B | −7N | +14N | −1B | +12N | 5.5 | 44.0 | 48.0 | 25.25 | 1322 | -35.2 |
| 9 | Tikhanovich, Mark Ig | 1514 | RUS | +21B | =8N | =4B | −2N | +12B | −10N | +16B | +14B | =3N | 5.5 | 43.5 | 46.5 | 25.75 | 1449 | -14.8 |
| 10 | Sedlerov, Nikita | 0 | RUS | +18N | −2N | +12B | −11B | +17N | +9B | −3N | +?B | −4N | 5.0 | 43.0 | 43.0 | 19.00 | 1330 | 0.0 |
| 11 | Serdtsev, Sergey | 0 | RUS | +?B | −6N | +16B | +10N | −4B | +13N | −2B | −12B | +?N | 5.0 | 37.5 | 37.5 | 14.00 | 735 | 0.0 |
| 12 | Vovk, Daniil S | 0 | RUS | +?N | −3B | −10N | +?B | −9N | +18B | +20B | +11N | −8B | 5.0 | 34.5 | 34.5 | 12.50 | 735 | 0.0 |
| 13 | Papazov, Oleg | 0 | RUS | +?N | −1B | +7N | +15B | −8N | −11B | −?N | +18B | =19N | 4.5 | 37.0 | 37.0 | 16.00 | 856 | 0.0 |
| 14 | Pekshev, Yury Al | 0 | RUS | +?N | −5B | +22B | −4N | =?B | +17N | −8B | −9N | +20B | 4.5 | 33.0 | 33.0 | 10.50 | 743 | 0.0 |
| 15 | Antipov, Aleksey Pavl | 0 | RUS | −8B | +21N | +?B | −13N | =22B | +?N | −6B | +19B | −7N | 4.5 | 30.5 | 30.5 | 8.25 | 759 | 0.0 |
| 16 | Limonov, Alexander | 0 | RUS | −4B | +?N | −11N | +?B | +?N | −5B | −9N | +22B | =17N | 4.5 | 29.0 | 29.0 | 4.75 | 735 | 0.0 |
| 17 | FIDE 540087352 | 0 | — | −6B | +?N | +?B | −7N | −10B | −14B | +?N | +21N | =16B | 4.5 | 28.0 | 28.0 | 5.25 | 752 | 0.0 |
| 18 | FIDE 522002715 | 0 | — | −10B | −?N | +21B | −8N | +?B | −12N | +22B | −13N | +23N | 4.0 | 26.5 | 26.5 | 6.50 | 765 | 0.0 |
| 19 | FIDE 540087360 | 0 | — | −1N | −22B | +?N | −?B | =20N | +23B | +?B | −15N | =13B | 4.0 | 24.5 | 24.5 | 5.00 | 946 | 0.0 |
| 20 | FIDE 540070050 | 0 | — | −5N | −?B | +?N | −22N | =19B | +?B | −12N | +23B | −14N | 3.5 | 22.5 | 22.5 | 3.00 | 760 | 0.0 |
| 21 | FIDE 540087301 | 0 | — | −9N | −15B | −18N | +?B | +?N | −?B | +23N | −17B | −?B | 3.0 | 19.5 | 19.5 | 1.00 | 713 | 0.0 |
| 22 | FIDE 540087310 | 0 | — | −2B | +19N | −14N | +20B | =15N | −6B | −18N | −16N | F | 2.5 | 37.5 | 37.5 | 9.75 | 736 | 0.0 |
| 23 | FIDE 540087336 | 0 | — | −3N | −?B | −?N | −?N | +?B | −19N | −21B | −20N | −18B | 1.0 | 20.5 | 20.5 | 0.00 | 727 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Savin, AndreiRUS+56.47.0 pts · #2
- 2Meleshko, NikolayRUS+37.28.5 pts · #1
- 3Tkachenko, Alexandr SergRUS+15.26.0 pts · #3
Top rating losers
- 1Yanelyunas, DmitriyRUS-36.85.5 pts · #5
- 2Slaboda, EgorRUS-35.25.5 pts · #10
- 3Tikhanovich, Mark IgRUS-14.85.5 pts · #7