Short:        Full-featured chess game for OCS/ECS
Author:       benedykt@netc.fr (Benedykt Dziubaltowski)
Uploader:     benedykt netc fr (Benedykt Dziubaltowski)
Type:         game/think
Version:      1.0
Requires:     OS 2.0+, 1MB RAM, OCS/ECS
Architecture: m68k-amigaos >= 2.0

Amiga Chess v1.0 - Full-featured chess game for OCS/ECS Amiga
==============================================================

A complete chess game written in C (C89) for the classic Amiga,
running on all models from A500 (68000) to A1200/A4000 (68060).
Supports OCS, ECS and AGA graphics systems.

Features:
---------
- Negamax alpha-beta engine with iterative deepening
- Quiescence search, aspiration windows
- Transposition table (Zobrist hashing)
- Move ordering: MVV-LVA, SEE, killer moves, history heuristic
- Piece-square tables (middlegame + endgame)
- Opening book (8 popular openings)
- 5 difficulty levels (level 4-5 disabled on 68000)
- Time limits per move (none / 30s / 60s / 90s)
- Player vs AI / Player vs Player / AI vs AI modes
- PGN save/load with ASL file requester
- Move history with scrolling ring buffer
- Undo/Redo
- Game timer with pause support
- Last move highlight, check highlight
- Score window (Win/Draw/Loss per session)
- Settings saved to PROGDIR:chess.prefs
- GadTools menu (English)
- Procedural piece graphics (no external files required)
- Optional IFF piece graphics (PROGDIR:data/pieces.iff)
- CPU/FPU/Chip detection shown in About

Requirements:
-------------
- AmigaOS 2.0+ (Kickstart v37+)
- 1 MB RAM (512KB Chip + 512KB Fast)
- OCS, ECS or AGA graphics
- Mouse

Recommended:
------------
- 68020 or faster
- 2 MB RAM or more
- Kickstart 3.0+

Installation:
-------------
Copy Szachy_ECS to any directory and run.
Optionally place pieces.iff in PROGDIR:data/ for
custom piece graphics.

Stack: 32768 bytes recommended (set in icon or .run script).

Estimated strength (ELO):
-------------------------
Level 3, no options:   ~1200 ELO
Level 3, TT enabled:   ~1400 ELO
Level 5, TT enabled:   ~1550-1650 ELO

Engine:
-------
MSCP-style negamax alpha-beta, inspired by Marcel van Kervinck's
MSCP (Micro Simple Chess Program). Written from scratch with
numerous enhancements. Public Domain.

Compiler: gcc 2.95.3 / AmigaOS (-m68000 -O2 -noixemul)

Created with assistance of Claude AI (Anthropic).

Author: Benedykt Dziubaltowski <benedykt@netc.fr>