VPHS_VEGAS_Standard - A DECEMBER 2025
Open SwissStandard
18 players participated in this 7-round tournament, held from 20 Dec 2025 to 21 Dec 2025 in Nemchinovka, Russia. Top 10 Elo average was 1218, and top seed was Mikhail Andr Zaitsev (🇷🇺 RUS, 1642).
Nikita S. Petrenko (🇷🇺 RUS, 1595) won with 6.5/7, ahead of Mikhail Andr Zaitsev (5.0) and Aleksandr Gaydamak (5.0). Petrenko won solo starting round 3.
Location
🇷🇺Nemchinovka, Russia
Dates
20 Dec 2025 → 21 Dec 2025
Time control
Standard: All Moves in 30 Min. Del. 30 Sec. / /
System
Swiss · 7 rounds
Federations · 1 represented
🇷🇺Russia×15
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsNikita S. Petrenko led from R3; +1.5-point edge over the runner-up.
Co-leaders
9
3
1
1
1
1
1
R3–R7 · LEAD HELD
Nikita S. Petrenko never relinquished the lead after R3; final gap +1.5 over the runner-up.
R5 · HEAD-TO-HEAD · WINNER VS 2ND
Nikita S. Petrenko beat Aleksandr Gaydamak (White).
WIN STREAKS · 3 top finishers
Nikita S. Petrenko 6 wins (R1–R6)Aleksandr Gaydamak 3 wins (R2–R4)Mikhail Andr Zaitsev 3 wins (R4–R6)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Nikita S. Petrenko | * | 1 | ½ | — |
| 2Aleksandr Gaydamak | 0 | * | — | — |
| 3Mikhail Andr Zaitsev | ½ | — | * | 1 |
| 4Timofey Kofanov | — | — | 0 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Petrenko, Nikita S. | 1595 | RUS | +12B | +16N | +7B | +6N | +3B | +9N | =2B | 6.5 | 24.5 | 25.5 | 23.00 | 1914 | +68.8 |
| 2 | Zaitsev, Mikhail Andr | 1642 | RUS | +13N | =6B | −11N | +12N | +5B | +10B | =1N | 5.0 | 24.5 | 27.5 | 19.25 | 1721 | +6.4 |
| 3 | Gaydamak, Aleksandr | 1547 | RUS | −9B | +17N | +16B | +7N | −1N | +11B | +10N | 5.0 | 21.5 | 22.5 | 12.50 | 1532 | -3.6 |
| 4 | Pytalev, Dmitriy | 0 | RUS | −8B | +9N | −12B | +16N | =6B | +14N | +7B | 4.5 | 20.5 | 21.5 | 12.50 | 1531 | 0.0 |
| 5 | Kofanov, Timofey | 0 | RUS | −10N | =15B | +17N | +13B | −2N | +8N | +9B | 4.5 | 20.5 | 21.5 | 12.25 | 1572 | 0.0 |
| 6 | Uilan, Svetoslav | 0 | RUS | +18B | =2N | +8B | −1B | =4N | −7N | +11B | 4.0 | 27.0 | 27.0 | 11.75 | 1455 | 0.0 |
| 7 | Panteleev, Pavel Val | 1496 | RUS | +15N | +10B | −1N | −3B | +16N | +6B | −4N | 4.0 | 25.0 | 26.0 | 10.00 | 1408 | -14.0 |
| 8 | Koltygin, Dmitriy | 1422 | RUS | +4N | +11B | −6N | −10B | +14N | −5B | +13N | 4.0 | 22.5 | 24.5 | 12.50 | 2266 | +11.2 |
| 9 | Shirokov, Viktor | 1579 | RUS | +3N | −4B | +13N | +11B | =10N | −1B | −5N | 3.5 | 27.0 | 30.0 | 12.75 | 1659 | +6.4 |
| 10 | Psyrkov, Dmitriy Ser | 0 | RUS | +5B | −7N | +15B | +8N | =9B | −2N | −3B | 3.5 | 26.0 | 27.5 | 11.75 | 1392 | 0.0 |
| 11 | Panteleev, Leonid Pav | 0 | RUS | +17B | −8N | +2B | −9N | +12B | −3N | −6N | 3.0 | 24.5 | 25.5 | 9.00 | 1359 | 0.0 |
| 12 | Surkov, Vladimir Andr | 0 | RUS | −1N | +14B | +4N | −2B | −11N | −13B | +17B | 3.0 | 24.0 | 25.0 | 7.50 | 770 | 0.0 |
| 13 | Tyulina, Vera | 1450 | RUS | −2B | +18N | −9B | −5N | +17B | +12N | −8B | 3.0 | 21.0 | 21.0 | 4.00 | 754 | -46.4 |
| 14 | FIDE 570002428 | 0 | — | −16B | −12N | +18B | +15N | −8B | −4B | F | 2.0 | 14.0 | 14.0 | 1.50 | 645 | 0.0 |
| 15 | Badalyan, Ljudmila | 0 | RUS | −7B | =5N | −10N | −14B | F | −17N | +16B | 1.5 | 16.0 | 16.0 | 3.25 | 1480 | 0.0 |
| 16 | Prokudin, Nikolay | 1450 | RUS | +14N | −1B | −3N | −4B | −7B | F | −15N | 1.0 | 23.5 | 23.5 | 2.00 | 744 | -46.4 |
| 17 | FIDE 540088162 | 0 | — | −11N | −3B | −5B | F | −13N | +15B | −12N | 1.0 | 20.0 | 20.0 | 1.50 | 707 | 0.0 |
| 18 | FIDE 570002436 | 0 | — | −6N | −13B | −14N | F | F | F | F | 0.0 | 10.0 | 10.0 | 0.00 | 666 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Petrenko, Nikita S.RUS+68.86.5 pts · #1
- 2Koltygin, DmitriyRUS+11.24.0 pts · #9
- 3Shirokov, ViktorRUS+6.43.5 pts · #5
Top rating losers
- 1Prokudin, NikolayRUS-46.41.0 pts · #14
- 2Tyulina, VeraRUS-46.43.0 pts · #16
- 3Panteleev, Pavel ValRUS-14.04.0 pts · #11