Turbo Chess

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Turbo Gameworks

Turbo Chess,
an didactic chess program by Kaare Danielsen , written in Turbo Pascal and published as source code in 1985 on disk along with the book Turbo GameWorks by Borland International. Borland later translated the program into C++ and used it as an example program for the for the Borland C++ compiler .

Features

Board Representation

• 0x88 Vector Attacks
• Piece-Lists

Search

• Iterative Deepening
• Aspiration Windows
• Principal Variation Search
• Quiescence Search
• Move Ordering

1. PV-Move
2. Capture of Last Moved Piece
3. Killer Moves
4. Remaining Captures in MVV/LVA Order
5. Promotions
6. Castling
7. Quiet Moves
8. En passant

Evaluation

• Score Grain: 1/256 of a pawn unit
• Pre-processed Piece-Square Tables considering
  • Material
  • Mobility
  • King Safety
  • Pawn Structure
  • Blockade of Stop
  • Tarrasch Rule
  • Mop-up Evaluation
• Draw Evaluation

Namesake

• Turbo Chess by Chris A. Thornton

See also

• Enterprise
• KChess
• Turbo Pascal
• Turbostar
• Zorland Chess

Publications

• Kaare Danielsen (1985). Turbo GameWorks. Borland International, pdf from bitsavers.org
• Don Beal (1986). Turbo GameWorks: Tools for Turbo Pascal. (Review) ICCA Journal, Vol. 9, No. 2, pp. 88

Forum Posts

• origin of Chess from old Turbo Pascal Turbo GameWorks by Douglas Houston, borland.public.delphi.non-technical, June 4, 2000

Re: origin of Chess from old Turbo Pascal Turbo GameWorks by Kaare Danielsen, borland.public.delphi.non-technical, February 29, 2016

• Some correspondence with Kaare Danielsen... by Fernando, Hiarcs Forum, February 17, 2017 » KChess

External Links

• Turbo (disambiguation) from Wikipedia

Turbo (gastropod) from Wikipedia

References

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