CChessStats

2026 1st Punzalan Law Open Chess Tournament- U1800 Section

Open SwissStandard

24 players participated in this 5-round tournament, held from 24 Apr 2026 to 26 Apr 2026 in Winnipeg, Manitoba, Canada. Top 10 Elo average was 1137, and top seed was Zach Nathaniel Lee (🇨🇦 CAN, 1759).

Rex Shi (🇨🇦 CAN, 0) won with 5.0/5, ahead of Benjamin Rossen (4.5) and Arnold Casaclang (4.0). Shi won solo starting round 4.

Location
🇨🇦Winnipeg, Manitoba, Canada
Dates
24 Apr 2026 → 26 Apr 2026
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 5 rounds
Top seed
🇨🇦Zach Nathaniel Lee1759
Avg top 10
1,137
Participants
24
Federations · 1 represented
🇨🇦Canada×14
Top 3

How it unfolded

Top 6 · 5 rounds

Rex Shi led from R4; +0.5-point edge over the runner-up.

Co-leaders
14
6
2
1
1
1.52.545R1R2R3R4R5
R4–R5 · LEAD HELD

Rex Shi held the sole lead from R4 through R5 without losing it.

WIN STREAKS · 3 top finishers

Rex Shi 5 wins (R1–R5)Benjamin Rossen 3 wins (R3–R5)Arnold Casaclang 4 wins (R2–R5)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Rex Shi*
1
2Benjamin Rossen*
3Arnold Casaclang*
4FIDE 2685914
0
*

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Shi, Rex0CAN+22N+8B+6N+?N+4B5.010.010.010.0017280.0
2Rossen, Benjamin0CAN+7B=4N+11B+12N+?B4.511.511.59.7517080.0
3Casaclang, Arnold0CAN?N+?B+?N+8B+7B4.06.06.06.0017000.0
4Kola, Venkata Saket Reddy1617CAN+15N=2B+13N+5B1N3.515.017.09.752436+21.2
5Sarao, Karanveer Singh1636CAN+20B+17N=12B4N+11B3.510.511.56.751672+4.0
6FIDE 26859140+9N+22B1B=?N+12B3.510.510.55.5016100.0
7McKenzie, Mike1660CAN2N+15B+9N+16B3N3.013.515.57.002283+5.4
8Lee, Zach Nathaniel1759CAN+21B1N+14B3N+13B3.013.013.54.502287+6.8
9Osali, Abdolreza1483CAN6B+19N7B+17N+16B3.010.511.55.00860-10.8
10FIDE 26859300+14B+?N?B11N+?N3.04.54.52.0016090.0
11Parmar, Nevil1728CAN+24N=13B2N+10B5N2.513.013.04.00836-25.2
12Mallari, Efren0CAN+?N+?B=5N2B6N2.511.511.51.7516740.0
13Janzen-Martin, Matthew0CAN+19B=11N4B=?N8N2.010.010.02.2514690.0
14Pacin, Stefan1487CAN10N+23B8N18B+19N2.09.09.01.00959-6.8
15FIDE 268597304B7N+21B+20N?B2.08.08.01.508150.0
16FIDE 26859570?B+21N+24B7N9N2.06.56.50.507720.0
17FIDE 26859220+?N5B?N9B+23B2.06.56.50.0013900.0
18FIDE 26858920F?N=?B+14N=?B2.02.02.02.0015960.0
19Salonga, Romel0CAN13N9B=?N=21B14B1.07.57.50.2512400.0
20FIDE 268594905N?B+23N15BF1.05.55.50.007750.0
21Iyer, Pia0CAN8N16B15N=19NF0.58.08.00.509590.0
22FIDE 268596501B6NF?BF0.09.59.50.007140.0
23FIDE 26808820?B14N20BF17N0.05.05.00.007160.0
24FIDE 2680688011BF16N?BF0.05.05.00.008490.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers