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game/think/chess_ai_020.lha

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Showing: m68k-amigaos iconppc-amigaos iconppc-morphos iconi386-aros iconi386-amithlon iconppc-warpup iconppc-powerup icongeneric iconother icon
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Short:Chess game, 68020+, OCS/ECS/AGA
Author:Benedykt Dziubaltowski with Claude
Uploader:benedykt netc fr (Benedykt Dziubaltowski)
Type:game/think
Version:1.04
Architecture:m68k-amigaos >= 2.0.0
Date:2026-05-06
Requires:OS 2.0+, 1MB RAM, 68020+, OCS/ECS/AGA
Download:game/think/chess_ai_020.lha - View contents
Readme:game/think/chess_ai_020.readme
Downloads:6

History:
    1.04 - Improved engine, 4 piece sets, hint key, level 6 Master,
           check extension, aggressive LMR, dynamic stack (May 2026)
    1.02 - Stack issues resolved. Thanks, Rzokol! (05 May 2026)
    1.01 - Automatic stack detection and resizing added (04 May 2026)
    1.00 - First public release (26 April 2026)

--- ENGLISH -------------------------------------------------------

Chess game optimised for Amiga with 68020 or better processor.
Supports OCS, ECS and AGA. Requires Kickstart 2.0 or higher.

For 68000-based Amigas (A500, A600) see Chess_AI_000.lha.

This project is proof that Claude AI (Anthropic) handles Amiga C
programming surprisingly well. Using AI prompts, it is possible to
create fully featured Amiga games from scratch - complete with a
chess engine, GadTools menus, PGN support and Workbench icons.
The Amiga community finally has a new chess game in 2026!

Features:
- Negamax alpha-beta engine with iterative deepening
- Quiescence search, aspiration windows
- Full SEE (Static Exchange Evaluation) for accurate capture ordering
- Improved evaluation: passed pawns, doubled pawns, bishop pair,
  rooks on open files, connected rooks, king shield
- Null-move pruning (68020+ only)
- Check extensions (68020+ only)
- Aggressive Late Move Reductions (68020+ only)
- Futility pruning depth 3 (68020+ only)
- Adaptive null-move R (68020+ only)
- Transposition table (Zobrist hashing, optional)
- Move ordering: MVV-LVA, SEE, killer moves, history heuristic
- Piece-square tables (middlegame + endgame)
- Opening book with 14 openings, weighted random (optional)
- 6 difficulty levels (1-5 on 68020/030, 1-6 on 68040/060)
- Time limits per move: none / 30s / 60s / 90s
- Player vs AI / Player vs Player / AI vs AI modes
- 4 piece sets: Classic, Staunton, Minimal, Gothic
- Hint key (H) - AI suggests a move for the player
- PGN save/load with date and result, ASL file requester
- Move history, Undo/Redo
- Game timer with pause
- Dynamic stack: 64KB on 68020/030, 128KB on 68040/060
- Settings saved to PROGDIR:chess.prefs
- GadTools menu, English interface

Estimated strength:
- Level 3, TT off: ~1200 ELO
- Level 3, TT on:  ~1400 ELO
- Level 5, TT on:  ~1550 ELO
- Level 6, TT on:  ~1700 ELO (68040/060 recommended)

Installation: Copy Chess_AI_020 to any directory and run.
Stack: Managed automatically by the program.

Video presentation of the game:
https://youtu.be/aCz8vMFuaag

Created with Claude AI (Anthropic) by Benedykt Dziubaltowski.
Public Domain.

--- POLSKI --------------------------------------------------------

Gra szachowa zoptymalizowana dla Amigi z procesorem 68020 lub lepszym.
Obsluguje OCS, ECS i AGA. Wymaga Kickstart 2.0 lub nowszego.

Dla Amig z procesorem 68000 (A500, A600) patrz Chess_AI_000.lha.

Funkcje:
- Silnik negamax alpha-beta z iteracyjnym poglebianiem
- Quiescence search, okna aspiracyjne
- Pelny SEE (Static Exchange Evaluation) dla oceny bic
- Lepsza ewaluacja: wolne piony, podwojone piony, para goncow,
  wiezy na otwartych liniach, polaczone wiezy, tarcza krola
- Null-move pruning (tylko 68020+)
- Rozszerzenia szachowe (tylko 68020+)
- Agresywny LMR - Late Move Reductions (tylko 68020+)
- Futility pruning glebia 3 (tylko 68020+)
- Adaptacyjny null-move R (tylko 68020+)
- Tablica transpozycji (Zobrist hashing, opcjonalna)
- Sortowanie ruchow: MVV-LVA, SEE, killer moves, history heuristic
- Tablice pozycyjne (srodkowa gra + koncowka)
- Ksiazka debiutowa z 14 wariantami, wazony losowy wybor (opcjonalna)
- 6 poziomow trudnosci (1-5 na 68020/030, 1-6 na 68040/060)
- Limity czasu na ruch: brak / 30s / 60s / 90s
- Tryby: Gracz vs AI / Gracz vs Gracz / AI vs AI
- 4 zestawy pionkow: Classic, Staunton, Minimal, Gothic
- Klawisz podpowiedzi (H) - AI sugeruje ruch dla gracza
- Zapis/odczyt PGN z data i wynikiem, okno ASL
- Historia ruchow, Cofanie/Ponowienie
- Timer partii z pausa
- Dynamiczny stos: 64 KB na 68020/030, 128 KB na 68040/060
- Ustawienia zapisywane do PROGDIR:chess.prefs
- Menu GadTools, interfejs angielski

Szacowana sila:
- Poziom 3, TT wyl.: ~1200 ELO
- Poziom 3, TT wl.:  ~1400 ELO
- Poziom 5, TT wl.:  ~1550 ELO
- Poziom 6, TT wl.:  ~1700 ELO (zalecany 68040/060)

Instalacja: Skopiuj Chess_AI_020 do dowolnego katalogu i uruchom.
Stos: Zarzadzany automatycznie przez program.

Film o grze dostepny tutaj:
https://youtu.be/aCz8vMFuaag

Stworzone z pomoca Claude AI (Anthropic) przez Benedykta Dziubaltowskiego.
Public Domain.

--- MAGYAR --------------------------------------------------------

Sakk jatek 68020-as vagy jobb processzoru Amigara optimalizalva.
Tamogatja az OCS, ECS es AGA rendszereket. Kickstart 2.0+ szukseges.

68000-es Amigakhoz (A500, A600) lasd: Chess_AI_000.lha.

Funkciok:
- Negamax alfa-beta motor iterativ melyitessel
- Quiescence kereses, aspiracis ablakok
- Teljes SEE (Static Exchange Evaluation) az utesek ertekelesere
- Jobb kiertekeles: szabad gyalogok, kettozott gyalogok, futapar,
  bastyas nyitott vonalakon, kapcsolt bastyas, kiraly pajzs
- Null-move pruning (csak 68020+)
- Sakk-kiterjesztesek (csak 68020+)
- Agressziv LMR - Late Move Reductions (csak 68020+)
- Futility pruning 3. melysegig (csak 68020+)
- Adaptiv null-move R (csak 68020+)
- Transzpozicis tabla (Zobrist hashing, opcionalis)
- Lepes-rendezes: MVV-LVA, SEE, killer moves, history heuristic
- Pozicis tablak (kozejatek + vegjatel)
- Megnyitokoenyv 14 valtozattal, sulyozott veletlen valasztas (opcionalis)
- 6 nehezsegi szint (1-5 szint 68020/030-on, 1-6 szint 68040/060-on)
- Idokorlat lepesenkent: nincs / 30s / 60s / 90s
- Modok: Jatekos vs AI / Jatekos vs Jatekos / AI vs AI
- 4 babukeszlet: Classic, Staunton, Minimal, Gothic
- Tipp billentyu (H) - az AI lepest javasol a jatekosnak
- PGN mentes/betoltes datummal es eredmennyel, ASL ablak
- Lepestortenet, Visszavonas/Ujravegrehajtás
- Parti idomero szunettel
- Dinamikus verem: 64 KB 68020/030-on, 128 KB 68040/060-on
- Beallitasok: PROGDIR:chess.prefs
- GadTools menu, angol felhasznaloi feluelet

Becsult ero:
- 3. szint, TT ki: ~1200 ELO
- 3. szint, TT be: ~1400 ELO
- 5. szint, TT be: ~1550 ELO
- 6. szint, TT be: ~1700 ELO (68040/060 ajanlett)

Telepites: Masold a Chess_AI_020 fajlt barmely konyvtarba es inditsd el.
Verem: A program automatikusan kezeli.

A jatekrol szolo video itt elerheto:
https://youtu.be/aCz8vMFuaag

Keszult Claude AI (Anthropic) kozremukoedesevel,
Dziubaltowski Benedek altal. Public Domain.


Contents of game/think/chess_ai_020.lha
 PERMSSN    UID  GID    PACKED    SIZE  RATIO METHOD CRC     STAMP          NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
[generic]                  305     861  35.4% -lh5- 572b May  6  1980 Chess_AI_020.info
[generic]                   51      58  87.9% -lh5- 8710 May  6  1980 Chess_AI_020/Chess.prefs
[generic]                52974  130280  40.7% -lh5- fe37 May  6  1980 Chess_AI_020/Chess_AI_020
[generic]                  257    1087  23.6% -lh5- cc6f May  3  1980 Chess_AI_020/Chess_AI_020.info
[generic]                  507     803  63.1% -lh5- 5c4e May  3  1980 Chess_AI_020/donate.txt
[generic]                 1705    5228  32.6% -lh5- 4cfd May  3  1980 Chess_AI_020/donate.txt.info
[generic]                 8057   18991  42.4% -lh5- 4079 May  4  1980 Chess_AI_020/manual-EN
[generic]                  234     821  28.5% -lh5- a98d May  3  1980 Chess_AI_020/manual-EN.info
[generic]                 8527   19663  43.4% -lh5- a68f May  6  1980 Chess_AI_020/manual-HU
[generic]                  231     821  28.1% -lh5- 7aa7 May  3  1980 Chess_AI_020/manual-HU.info
[generic]                 8532   19128  44.6% -lh5- ee0a May  6  1980 Chess_AI_020/manual-PL
[generic]                  233     821  28.4% -lh5- 1ed5 May  3  1980 Chess_AI_020/manual-PL.info
[generic]                 2502    5206  48.1% -lh5- ea60 Apr 21  1980 Chess_AI_020/old/pieces.iff
[generic]                 2939    8263  35.6% -lh5- 7e59 Apr 21  1980 Chess_AI_020/old/pieces_preview.png
[generic]                  693    4688  14.8% -lh5- 1aab Apr 21  1980 Chess_AI_020/old/pionki.iff
[generic]                11162   26788  41.7% -lh5- 41c9 Apr 21  1980 Chess_AI_020/old/showiff
[generic]                 1451    4347  33.4% -lh5- f7ab Apr 21  1980 Chess_AI_020/old/showiff.c
[generic]                14067   33004  42.6% -lh5- d3c5 Apr 18  1980 Chess_AI_020/old/szachy_old
[generic]                  254    1087  23.4% -lh5- a207 Apr 21  1980 Chess_AI_020/old/Szachy_old.info
[generic]                11457   44766  25.6% -lh5- 7090 May  6  1980 Chess_AI_020/source/chess.c
[generic]                 1477    3653  40.4% -lh5- 81f2 May  6  1980 Chess_AI_020/source/chess.h
[generic]                 2232    5951  37.5% -lh5- ad29 Apr 27  1980 Chess_AI_020/source/gfx.h
[generic]                14542   65294  22.3% -lh5- 98d3 May  6  1980 Chess_AI_020/source/gfx_ecs.c
[generic]                 1776    5250  33.8% -lh5- da86 May  6  1980 Chess_AI_020/source/gfx_ecs.h
[generic]                 1267    4042  31.3% -lh5- 2ac9 Apr 20  1980 Chess_AI_020/source/history.c
[generic]                  368     786  46.8% -lh5- bc86 Apr 20  1980 Chess_AI_020/source/history.h
[generic]                15649   60986  25.7% -lh5- 9940 May  6  1980 Chess_AI_020/source/main.c
[generic]                  365     916  39.8% -lh5- 95a4 May  4  1980 Chess_AI_020/source/Makefile
[generic]                 3138   12046  26.1% -lh5- d799 Apr 19  1980 Chess_AI_020/source/pgn.c
[generic]                  301     676  44.5% -lh5- 0e37 May  5  1980 Chess_AI_020/source/pgn.h
---------- ----------- ------- ------- ------ ---------- ------------ -------------
 Total        30 files  167253  486311  34.4%            May  6 22:40
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