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Garbochess-JS,
a JavaScript open source chess engine using web worker, developed by Gary Linscott ^[1]. Garbochess-JS evolved from the early C# version of Garbochess aka Silverlight Chess ^[2] for the Microsoft Silverlight framework ^[3], and the intermediate Ajax Chess, which doesn't apply Ajax techniques but client JavaScript ^[4].

Features

^[5]

Board Representation

• 16x16 Vector Attacks
• 0x88

Search

• Iterative Deepening
• Aspiration Windows
• Principal Variation Search
• Transposition Table
• Selectivity
  • Mate Distance Pruning
  • Null Move Pruning
  • Late Move Reductions
  • Razoring
  • Check Extensions
• Move Ordering
  • Killer Heuristic
  • History Heuristic

Evaluation

• Material
• Piece-Square Tables
• Mobility

See also

• Garbochess

Forum Posts

• Ajax chess by Gary, CCC, February 20, 2010
• Ajax Chess 2.0 by Gary, CCC, June 16, 2010
• Ajax Chess 3.0 by Gary, CCC, July 01, 2010
• Ajax Chess 4.0 by Gary, CCC, July 14, 2010
• GarbochessJS updated by Gary, CCC, December 08, 2012
• Re: Engine In Javascript by glinscott, OpenChess Forum, July 23, 2013

External Links

• GarboChess Javascript
• glinscott/Garbochess-JS • GitHub

References

1. ^ GarboChess Javascript
2. ^ Re: Microsoft Silverlight Chess by Gary, CCC, October 01, 2007
3. ^ Gary Linscott's Home Page - Chess Programs, slchess.zip, GarboChess.cs
4. ^ Re: Ajax chess by Gary, CCC, February 20, 2010
5. ^ based on Garbochess-JS/garbochess.js at master · glinscott/Garbochess-JS · GitHub

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