ZoharBuzaglo

Flutter · Firebase · Node.js

Secondhand Marketplace

A Hebrew-first mobile marketplace for buying and selling used items locally.

Sellers list items and buyers find them through AI search, a photo search and a personalized feed, then order in the app and pick up from the seller. Chat, reviews, storefronts, stories and alerts sit on the same Firebase backend.

• AI search: a plain-Hebrew query becomes validated, structured filters (category, brand, model, price range, condition, city).
• The feed blends a per-user taste profile with distance, trending scores and a discovery slot, all covered by unit tests.
• Orders move through a server-enforced state machine. Firestore rules allow only legal transitions, and prices are re-checked on the server before a card is charged.
• Cloud Functions handle payments, disputes, push notifications, image moderation and pricing signals.

C++17 · Windows console

Tanks Game

A real-time tank battle with deterministic record and replay.

Players steer tanks one track at a time, aim 8-way cannons and fight across file-loaded maps with breakable walls, mines and wrap-around tunnels. The hero window above runs a simplified browser version of its computer-vs-computer mode.

• Deterministic replay: the random seed and every tick's input are recorded, so any game can be reproduced exactly.
• A headless test mode replays recorded games and diffs the outcome against expected results.
• AI tanks scan eight firing lines through the tunnels and dodge incoming shells.
• Player hierarchy with human and computer implementations behind one interface.

Solo project.

1789052569          <- recorded seed
161  WALL HIT          X: 10, Y: 20
173  WEAKEND WALL HIT  X: 10, Y: 20
187  TANK HIT          X: 10, Y: 13
418  WALL HIT          X: 37, Y: 5
456  WEAKEND WALL HIT  X: 37, Y: 5
504  WALL HIT          X: 43, Y: 0
517  WEAKEND WALL HIT  X: 43, Y: 0
545  TANK HIT          X: 43, Y: 7
SCORE P1=50 P2=13

$ tanksGame_v2.exe -load -silent
Test PASSED for tanks-game_02

C# · .NET · WinForms

Tic-Tac-Toe Misère

Reverse tic-tac-toe on boards up to 10×10: complete a line and you lose.

A Windows desktop game with a settings screen, multi-round scoring and a computer opponent. The board next to this text runs the same AI, ported to JavaScript, so you can play it here.

• Game logic is a separate .NET library; the UI redraws through a board event (observer pattern).
• The AI looks one move ahead: it avoids completing its own lines, hunts for moves that leave you only losing replies, and otherwise minimizes your safe options.
• Win detection checks only the lines through the last move: O(N), not a full board scan.
• xUnit test suite and GitHub Actions build on Windows for every push.

Built with Jonathan Katsav.