2026 NY Marshall Winter Invitational - IM C
10 players participated in this 9-round tournament, held from 15 Jan 2026 to 19 Jan 2026 in New York, NY, United States. 10 titled players from 6 federations. Top 10 Elo average was 2287, and top seed was Sebastian Lukas Kostolansky (🇸🇰 SVK, IM, 2429).
Mykola Bortnyk (🇺🇦 UKR, IM, 2421) won with 7.5/9, ahead of Sebastian Lukas Kostolansky (6.5) and Grant Xu (5.5). Bortnyk took the lead from round 7.
The biggest upset came in round 2: Gergana Peycheva (FM, 2182) beat Mykola Bortnyk (IM, 2421), a +239-point gap.
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How it unfolded
Top 10 · 9 roundsIM Mykola Bortnyk led from R7 onwards, the runner-up race stayed tight. Title race converged from 3 co-leaders at R4 to 1 by R7.
FM Grant Xu takes the sole lead (4.0/5).
IM Mykola Bortnyk drew with IM Sebastian Lukas Kostolansky (White).
IM Mykola Bortnyk 4 wins (R6–R9)FM Grant Xu 4 wins (R3–R6)
Cross-table
| # | Player | Elo | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | Pts | SB | Bh | Δ Elo | Perf |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 🇺🇦IMBortnyk, Mykola | 2421 | * | ½ | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 7.5 | 29.75 | 37.5 | +12.8 | 2546 |
| 2 | 🇸🇰IMKostolansky, Sebastian Lukas | 2429 | ½ | * | 0 | ½ | ½ | 1 | 1 | 1 | 1 | 1 | 6.5 | 24.75 | 38.5 | +1.5 | 2438 |
| 3 | 🇺🇸FMXu, Grant | 2289 | 0 | 1 | * | 0 | 1 | ½ | 0 | 1 | 1 | 1 | 5.5 | 21.25 | 39.5 | +19.4 | 2367 |
| 4 | 🇧🇬FMPeycheva, Gergana | 2182 | 1 | ½ | 1 | * | 0 | 0 | ½ | ½ | ½ | ½ | 4.5 | 22.25 | 40.5 | +28.0 | 2299 |
| 5 | 🇱🇹IMStremavicius, Pijus | 2345 | 0 | ½ | 0 | 1 | * | ½ | 1 | 0 | 1 | ½ | 4.5 | 18.00 | 40.5 | -7.9 | 2281 |
| 6 | 🇺🇸FMParagua, Megan Althea | 2222 | 0 | 0 | ½ | 1 | ½ | * | ½ | ½ | ½ | 1 | 4.5 | 16.50 | 40.5 | +17.2 | 2295 |
| 7 | 🇺🇸FMCherukuri, Nitesh | 2256 | 0 | 0 | 1 | ½ | 0 | ½ | * | 1 | 0 | 1 | 4.0 | 15.00 | 41.0 | -3.2 | 2248 |
| 9 | 🇺🇸CMHoffman, Luc | 2172 | 0 | 0 | 0 | ½ | 1 | ½ | 0 | * | 1 | 0 | 3.0 | 12.00 | 42.0 | +0.4 | 2175 |
| 8 | 🇨🇦CMAdam, Rafael | 2291 | 0 | 0 | 0 | ½ | 0 | ½ | 1 | 0 | * | 1 | 3.0 | 10.50 | 42.0 | -31.0 | 2162 |
| 10 | 🇺🇸CMHo, Carter | 2267 | 0 | 0 | 0 | ½ | ½ | 0 | 0 | 1 | 0 | * | 2.0 | 7.50 | 43.0 | -90.0 | 2069 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Peycheva, GerganaFMBUL+28.04.5 pts · #4
- 2Xu, GrantFMUSA+19.45.5 pts · #3
- 3Paragua, Megan AltheaFMUSA+17.24.5 pts · #6
- 1Ho, CarterCMUSA-90.02.0 pts · #10
- 2Adam, RafaelCMCAN-31.03.0 pts · #8
- 3Stremavicius, PijusIMLTU-7.94.5 pts · #5
- R2+239 Elo gap
- R7+173 Elo gap
- R3+140 Elo gap