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Championships and rankings
Jasper Ongena

Head-to-head Elo

Computed 31 October 2026 · full head-to-head ranking

Rank
#636
Rating
1461
1–5
Peak
1461
SourceKGamesWLSharedNet
Belgian Championship · Swiss 24 6 1 5 -39
Total615-39

Shared: duels decided on the share of games won, such as 2–1. Net: the rating gained or lost from this source since the start at 1500.

Rating history · newest first

DateOpponentWhereResultExpectedKChangeRating
10 May 2025 Rein Lambrichts BCLC 2025 L 51% 24 -12.4 1461
10 May 2025 Learn to fly BCLC 2025 L 30% 24 -7.3 1473
10 May 2025 Michiel Demeersseman BCLC 2025 W 51% 24 +11.8 1481
10 May 2025 John Van Hees BCLC 2025 L 51% 24 -12.2 1469
10 May 2025 Rein Lambrichts BCLC 2025 L 51% 24 -12.2 1481
10 May 2025 valmir79 BCLC 2025 L 29% 24 -6.9 1493

How the head-to-head Elo is computed

A classic Elo rating over every recorded game between two Belgian players, replayed in date order. Everyone starts at 1500. Before a game the expected score of a player is 1 / (1 + 10(Ropponent − Rplayer) / 400); afterwards the rating moves by K × (result − expected), so beating a stronger opponent earns more than beating a weaker one. Only games against other Belgians count, which is why this rating differs from the Elo on Board Game Arena.

BGA games (K = 8)
Every ranked 1v1 base game between two Belgian players. Games with a score above 160 are assumed to use an expansion and are skipped, as are unranked games. A game of an AMZ tournament (alphameeplezero.com) counts the same way.
Live championship (K = 24 / 32)
Swiss games of the Belgian Championship count with K = 24; the play-off games with K = 32.
BCOC and BCL duels (K = 28)
A duel in the online competitions counts once, as the share of games won (2–1 is scored 0.667). The individual BGA games of such a duel are not counted again.
Peak
The highest rating a player reached at any point in the replay. Wins and losses count every game and duel that moved the rating.