Joaquin Aarts vs Oscar Koppenens - Round 4: Aarts, Joaquin - Koppenens, Oscar, Round 4.21 | ChessEver

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1–0

Oscar Koppenens

1846

0

2:37

abcdefgh

87654321

2081

1

1:10

15+5

Dutch Defense· A80

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1–0

Engine

Round 4: Aarts, Joaquin - Koppenens, Oscar

Round 4.21 · May 2, 2026 · 1-0 · TC 15+5

A80 · Dutch Defense

2081NEDFIDE 1078224

Oscar Koppenens

1846NEDFIDE 1087940

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