Stadia Vitae

Arena

Mind Arena

Train focus,
patience and strategy.

A calmer arena for small cognitive games: chess, sudoku, memory and reaction.

Stadia is not only conversation. It is also attention, decision-making and mental clarity. The Arena gives visitors a reason to return, play and stay longer.

Play Free Chess → Private Online Chess → Sudoku →
Games create return visits. The Arena can become a simple engagement layer: play, focus, return, and discover Stadia’s deeper conversation paths.
Focus Attention and patience.
Strategy Choice and consequence.
Return Reasons to revisit.

Choose your arena.

Each game is simple, fast and useful: a small mental reset before returning to conversation, growth and direction.

♟ Chess Arena

Play a legal chess game against the Stockfish 18 chess engine.

Strategy
Status Loading…
Saved Wins 0
Last Move No moves yet
How to play Click a white piece, then click a highlighted legal square.

♜ Stadia Chess Lab · Classico Controspionaggio

La nuova variante 10×8 con Alfiere Trasparente e Intercettore. Gioca con il Bianco contro il computer.

Sistema in corso di brevetto · Domanda ufficiale depositata e pendente · Patent Pending
Nuovo · 10×8
Stato Caricamento…
Ultima mossa Nessuna mossa
Vittorie salvate 0
T · Alfiere Trasparente: si muove in diagonale fino a 3 caselle e può oltrepassare un solo pezzo, lasciandolo sulla scacchiera. I · Intercettore: si muove di una casella in ogni direzione; quando è adiacente a un T nemico ne neutralizza la capacità di attraversare i pezzi. Le altre figure seguono le regole classiche, con arrocco adattato alla 10×8, en passant e promozione a Q/R/B/N/T/I.
Protezione: sistema in corso di brevetto. La domanda ufficiale di brevetto è stata depositata ed è attualmente pendente (Patent Pending).

♚ Private Online Chess

Create a private chess room, send one secure invitation link and play on the same synchronized board from two different devices.

Premium • CHF 9
One link. Two players. The room creator opens Premium Chess, creates a private room and sends the invitation link.
Only one Premium access is required Only the player who creates the room needs Premium access. The invited opponent joins that game free.
Two devices, one synchronized board You play White. Your opponent opens the private link and joins as Black. Moves synchronize automatically.
Already have an invitation or room code? Open Premium Arena. A private invitation joins you directly; a room code can be entered there manually.
Play Private Chess → Enter Premium Arena →

🔢 Sudoku

Complete the grid. The page checks your entries against a fixed beginner puzzle.

0 / 81

🧠 Memory

Find all matching pairs. A simple exercise for attention and recall.

0 pairs

⚡ Reaction Test

Wait until the box turns green, then click as fast as possible.

Best: —
Click to start
Native Sponsor Block “Supported by…” text, sponsor logo, or educational partner.
Affiliate / Course Space Future links to learning tools, books, games, concentration apps.
Premium Banner Reserved area for paid visibility, newsletter promotion or sponsor placement.
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Advertising and sponsor spaces

Game pages can increase time on site and return visits. These spaces can later be used for sponsor placements, partner messages, affiliate links, newsletter promotion or advertising services that respect user consent choices.

Private Online Chess — CHF 9 → Play Free Chess → Growth Profile →
stadia VITAE