2026 MCA Winter Seniors Open
Open SwissStandard
12 players participated in this 4-round tournament, held from 09 Jan 2026 to 30 Jan 2026 in Winnipeg, Manitoba, Canada. Top 10 Elo average was 1784, and top seed was Jim Lauritson (🇨🇦 CAN, 2045).
Alan Nagelberg (🇨🇦 CAN, 2018) won with 3.5/4, ahead of Anthony Boron (3.0) and Ray Kuryliw (2.5). Nagelberg broke clear in the final round.
The biggest upset came in round 2: John Klokow (1553) beat Jim Lauritson (2045), a +492-point gap.
Location
🇨🇦Winnipeg, Manitoba, Canada
Dates
09 Jan 2026 → 30 Jan 2026
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 4 rounds
Federations · 1 represented
🇨🇦Canada×12
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 4 roundsAlan Nagelberg led from R4; +0.5-point edge over the runner-up.
Co-leaders
4
1
2
1
R4 · LEADER CHANGE30 Jan
Alan Nagelberg takes the sole lead (3.5/4).
R2–R4 · WIN STREAK
Alan Nagelberg won 3 in a row (R2–R4).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Alan Nagelberg | * | — | 1 | — |
| 2Anthony Boron | — | * | ½ | — |
| 3Ray Kuryliw | 0 | ½ | * | 1 |
| 4John V Minano | — | — | 0 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Nagelberg, Alan | 2018 | CAN | =7B | +12N | +3B | +4N | 3.5 | 6.5 | 7.0 | 6.25 | 2101 | +21.6 |
| 2 | Boron, Anthony | 1873 | CAN | +10N | =3B | =4B | +6N | 3.0 | 6.5 | 7.5 | 5.00 | 2003 | +10.0 |
| 3 | Kuryliw, Ray | 1822 | CAN | +5B | =2N | −1N | +8B | 2.5 | 9.0 | 10.5 | 5.50 | 1877 | +5.6 |
| 4 | Klokow, John | 1553 | CAN | +9B | +6B | =2N | −1B | 2.5 | 8.0 | 9.0 | 4.00 | 1926 | +14.0 |
| 5 | Minano, John V | 1704 | CAN | −3N | =10B | +9N | +12B | 2.5 | 4.5 | 5.0 | 2.00 | 1806 | +9.8 |
| 6 | Lauritson, Jim | 2045 | CAN | +8B | −4N | =7B | −2B | 1.5 | 7.0 | 8.5 | 2.25 | 1703 | -22.8 |
| 7 | Macpherson, Al | 1786 | CAN | =1N | =11B | =6N | F | 1.5 | 6.0 | 6.0 | 3.00 | 1858 | +5.2 |
| 8 | Melnyk, Jim | 1534 | CAN | −6N | +9B | =11N | −3N | 1.5 | 5.0 | 6.0 | 1.50 | 1716 | +4.2 |
| 9 | Ott, Richard | 1432 | CAN | −4N | −8N | −5B | +10B | 1.0 | 6.5 | 7.5 | 1.00 | 1528 | -26.8 |
| 10 | Greenberg, Harley | 1629 | CAN | −2B | =5N | =12B | −9N | 1.0 | 6.5 | 7.0 | 1.50 | 1539 | -36.0 |
| 11 | Green, Jim | 1872 | CAN | F | =7N | =8B | F | 1.0 | 3.0 | 3.0 | 1.50 | 1730 | -4.6 |
| 12 | Remillard, John | 1427 | CAN | F | −1B | =10N | −5N | 0.5 | 7.0 | 7.0 | 0.50 | 1483 | -11.6 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Nagelberg, AlanCAN+21.63.5 pts · #1
- 2Klokow, JohnCAN+14.02.5 pts · #5
- 3Boron, AnthonyCAN+10.03.0 pts · #2
Top rating losers
- 1Greenberg, HarleyCAN-36.01.0 pts · #10
- 2Ott, RichardCAN-26.81.0 pts · #11
- 3Lauritson, JimCAN-22.81.5 pts · #7
Biggest upsets
- R2+492 Elo gap
- R4+197 Elo gap
- R4+172 Elo gap