CChessStats

CD Viseu e Beiras Jovens 2025-26 - U18

Open SwissStandard

6 players participated in this 4-round tournament, held on 15 Mar 2026 in Viseu, Portugal. 2 federations represented. Top 10 Elo average was 842, and top seed was Guilherme Resende Miranda Sousa (🇵🇹 POR, 1761).

Isaac Prazeres (🇵🇹 POR, 1635) won with 2.5/4, ahead of Pedro Gabriel Cabral (1.5) and Alfred Clark (1.5). Prazeres broke clear in the final round.

Location
🇵🇹Viseu, Portugal
Dates
15 Mar 2026
Time control
Standard: 30 minutes for game with 30 seconds increment from move 1
System
Swiss · 4 rounds
Top seed
🇵🇹Guilherme Resende Miranda Sousa1761
Avg top 10
842
Participants
6
Federations · 2 represented
🇵🇹Portugal×5
🇱🇮Liechtenstein×1
Top 3

How it unfolded

Top 6 · 4 rounds

Isaac Prazeres led from R2; +1.0-point edge over the runner-up.

Co-leaders
2
1
3
1
1234R1R2R3R4
Prazeres2.5Sousa1.5Cabral1.5Clark1.5Trautmann1Sequeira0
R2–R4 · LEAD HELD

Isaac Prazeres never relinquished the lead after R2; final gap +1.0 over the runner-up.

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Isaac Prazeres*—
½
1
2Guilherme Resende Miranda Sousa—*
1
½
3Pedro Gabriel Cabral
½
0
*—
4Alfred Clark
0
½
—*

Grille américaine

#PlayerEloFedR1R2R3R4PtsBu C1BuSBPerfΔ
1Prazeres, Isaac1635POR+6B=2NF+3N2.53.03.02.251657+1.2
2Cabral, Pedro Gabriel1656PORF=1B+5N−4B1.55.05.02.251505-15.6
3Clark, Alfred0POR+5BF=4N−1B1.55.05.01.7515050.0
4Sousa, Guilherme Resende Miranda1761PORFF=3B+2N1.53.03.02.252457+14.4
5Trautmann, Moses0LIE−3NF−2B+6N1.03.03.00.008570.0
6Sequeira, Edgar Alves0POR−1NFF−5B0.03.53.50.008350.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers