CChessStats

2026 May Poison Pawns - Challenger

Open SwissStandard

12 players participated in this 5-round tournament, held from 01 May 2026 to 03 May 2026 in Houston, TX, United States. 2 federations represented. Top 10 Elo average was 628, and top seed was Peter A Rucker (🇺🇸 USA, 1687).

The biggest upset came in round 5: Nivaan Debnath (1551) beat Peter A Rucker (1687), a +136-point gap.

Location
🇺🇸Houston, TX, United States
Dates
01 May 2026 → 03 May 2026
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 5 rounds
Top seed
🇺🇸Peter A Rucker1687
Avg top 10
628
Participants
12
Federations · 2 represented
🇺🇸United States of America×5
🇪🇬Egypt×1
Top 3

How it unfolded

Top 6 · 5 rounds

FIDE 566011752 led from R5; +0.5-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R5.

Co-leaders
1
1
3
2
1
1.52.545R1R2R3R4R5#566011752 takes lead
R5 · LEADER CHANGE03 May

FIDE 566011752 takes the sole lead (3.5/5).

R1–R5 · UNBEATEN

FIDE 566011752 went unbeaten across 5 games (R1–R5).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1FIDE 566011752*
2Nivaan Debnath*
1
3FIDE 39982556*
4Peter A Rucker
0
*

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1FIDE 5660117520=6B=?N+12N=4B+?B3.54.54.52.2515510.0
2Debnath, Nivaan1551USAF+12B4N+7B+5N3.07.07.04.501594+4.4
3FIDE 399825560=?B=6N8B+11N+12B3.04.54.51.5013640.0
4Krafka, John1501USAF=7N+2B=1N=9B2.510.010.06.502351+22.8
5Rucker, Peter A1687USAF+9B=7N+8N2B2.58.58.54.501547-14.8
6FIDE 5660128720=1N=3BF?N+8B2.08.58.55.2515320.0
7Wahsh, Mostafa0EGY+11N=4B=5B2NF2.08.58.53.0014550.0
8Debnath, Rishaan1542USAF+11B+3N5B6N2.08.08.03.50887-12.4
9FIDE 5660104380F5N+?BF=4N1.55.05.01.2515860.0
10FIDE 309114430F+?B=?NFF1.50.00.00.0015210.0
11Seelam, Tanav0USA7B8N=?N3BF0.57.07.00.007420.0
12FIDE 309900250F2N1B?B3N0.09.59.50.007510.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets