2025 Markham Open U1600
Open SwissStandard
12 players participated in this 7-round tournament, held from 26 Dec 2025 to 28 Dec 2025 in Markham, Canada. 3 federations represented. Top 10 Elo average was 0.
Prasanna Shankar Prabhu (🇨🇦 CAN, 0) won with 5.5/7. Shankar Prabhu won on tie-break after catching the field in the final round.
Location
🇨🇦Markham, Canada
Dates
26 Dec 2025 → 28 Dec 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 7 rounds
Avg top 10
0
Participants
12
Federations · 3 represented
🇨🇦Canada×5
FIDE (no federation)×1
🇵🇭Philippines×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsTight race until R4; 2 players tied at 5.5/7, decided on Buchholz.
Co-leaders
8
5
2
1
2
1
2
R4–R7 · LEAD HELD
FIDE 2653133 held the sole lead from R4 through R7 without losing it.
R7 · TIEBREAK CLUSTER
2 players finish on 5.5/7. Shankar Prabhu takes the title on Buchholz Cut1 (24.0).
R4 · HEAD-TO-HEAD · WINNER VS 2ND
FIDE 2653133 beat Prasanna Shankar Prabhu (White).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1FIDE 2653133 | * | 1 | 0 | ½ |
| 2Prasanna Shankar Prabhu | 0 | * | 1 | — |
| 3FIDE 2663023 | 1 | 0 | * | 0 |
| 4Alyssa Zhuojing Li | ½ | — | 1 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Shankar Prabhu, Prasanna | 0 | CAN | +10B | +?N | +4B | −2N | =7B | +8N | +6N | 5.5 | 24.0 | 24.0 | 16.75 | 1482 | 0.0 |
| 2 | FIDE 2653133 | 0 | — | +?B | +?N | +?B | +1B | −4N | +7N | =3B | 5.5 | 19.0 | 19.0 | 11.50 | 1529 | 0.0 |
| 3 | Li, Alyssa Zhuojing | 0 | CAN | +9B | +6N | =8B | −7N | +11N | +4B | =2N | 5.0 | 24.5 | 26.0 | 18.00 | 682 | -22.8 |
| 4 | FIDE 2663023 | 0 | — | +11B | +7N | −1N | +8B | +2B | −3N | +?N | 5.0 | 24.5 | 24.5 | 14.00 | 1509 | 0.0 |
| 5 | FIDE 2683253 | 0 | — | =?B | −?N | +9B | +?N | −8N | +?B | +7B | 4.5 | 10.0 | 10.0 | 6.50 | 1502 | 0.0 |
| 6 | FIDE 2659565 | 0 | — | +?B | −3B | −11N | +10N | +?B | +?N | −1B | 4.0 | 14.5 | 14.5 | 2.50 | 735 | 0.0 |
| 7 | Lai, Oscar | 0 | CAN | +12N | −4B | +10N | +3B | =1N | −2B | −5N | 3.5 | 28.0 | 29.0 | 11.25 | 2335 | +22.8 |
| 8 | Xirogiannis, Nikolaos | 0 | FID | +?B | +?B | =3N | −4N | +5B | −1B | −?N | 3.5 | 20.0 | 20.0 | 7.00 | 1535 | 0.0 |
| 9 | Kotapuri, Elijah | 0 | CAN | −3N | =?B | −5N | +12B | −?B | =?N | +?N | 3.0 | 10.5 | 10.5 | 1.00 | 735 | 0.0 |
| 10 | FIDE 2683245 | 0 | — | −1N | +?N | −7B | −6B | =?N | F | +12B | 2.5 | 14.0 | 14.0 | 1.00 | 682 | 0.0 |
| 11 | Cortez, Luis Angelo | 0 | PHI | −4N | F | +6B | =?N | −3B | −?B | F | 1.5 | 14.0 | 14.0 | 4.00 | 735 | 0.0 |
| 12 | Le, Duc Khang | 0 | CAN | −7B | +?N | −?B | −9N | F | −?B | −10N | 1.0 | 9.0 | 9.0 | 0.00 | 682 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Lai, OscarCAN+22.83.5 pts · #4
- 2FIDE 26531330.05.5 pts · #1
- 3FIDE 26595650.04.0 pts · #10
Top rating losers
- 1Li, Alyssa ZhuojingCAN-22.85.0 pts · #8
- 2FIDE 26595650.04.0 pts · #10
- 3FIDE 26531330.05.5 pts · #1