BitGenie

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[ Majlis al Jinn [1] Bit-Genie,

an UCI compatible open source chess engine by Aryan Parekh, written in C++, licensed under the GPL v3.0, and first released in March 2021 [2]. Bit-Genie 9, released in August 2021, features NNUE Evaluation [3].

Selected Features#

[4]

Board Representation

• 8x8 Board
• Bitboards
• Magic Bitboards implementation by Pradu Kannan [5]

Search

• Iterative Deepening
• Aspiration Windows
• Lazy SMP
• Principal Variation Search
• Transposition Table
• Move Ordering
  • History Heuristic
  • Internal Iterative Deepening (v7)
• Selectivity
  • Null Move Pruning (v3)
  • Late Move Reductions (v3)
  • Late Move Pruning (v6)
  • Reverse Futility Pruning (v8)
  • SEE Pruning (v8)
  • Check Extensions (v8)

Evaluation

• NNUE (v9)
• Material
• Mobility
• Pawn Structure
• Passed Pawns
• King Safety
• Pawn Shield

Misc#

• PolyGlot Opening Book (v7)
• Texel’s Tuning Method (v4)

See also#

• Djinn
• Genie

Forum Posts#

• New open-source engine, Bit-Genie by Aryan Parekh, CCC, March 21, 2021
• Bit-Genie 9 release by Aryan Parekh, CCC, August 21, 2021

External Links#

Chess Engine#

• GitHub - Aryan1508/Bit-Genie: UCI chess engine in C++
• Bit-Genie in CCRL 40/15

Misc#

• Genie (disambiguation) from Wikipedia
• Jinn from Wikipedia
• Project Genie from Wikipedia
• Genie (programming language) from Wikipedia

References#

1. ↑ Climber on their way to the cave floor at Majlis al Jinn, Image by Michaelmcandrew, Wikimedia Commons
2. ↑ New open-source engine, Bit-Genie by Aryan Parekh, CCC, March 21, 2021
3. ↑ Release v9 · Aryan1508/Bit-Genie · GitHub
4. ↑ Releases · Aryan1508/Bit-Genie · GitHub
5. ↑ Bit-Genie/magicmoves.cpp at master · Aryan1508/Bit-Genie · GitHub

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