Jonny (chess)

Jonny is a computer chess program ^[1] written by the German mathematician and programmer Johannes Zwanzger.^[2]

Jonny won the 2015 World Computer Chess Championship.^[3]^[4] It ran on a "btrzx3" linux cluster^[5] of the University of Bayreuth using 2,400 AMD x86-64 2.8 GHz cores in total and beat Junior which played with 48 threads on a 24 core Intel Xeon i5.^[6]

Results

Blitz champion at the WCCC 2011
Runner-up at the WCCC 2013
Champion at the WCCC 2015
Two times runner up at the Livingston Chess960 Computer World Championship

References

Chess

Outline	Chess theory Chess titles Grandmaster List of Grandmasters Grandmasters by country Computer chess matches engines software Correspondence chess FIDE History timeline Problems/Compositions Rating system World rankings Norms Tournaments Olympiad list Variants World Championship development list Candidates Tournament Chess World Cup FIDE Grand Prix World records

Equipment	Chessboard Chess box Chess set King Queen Rook Bishop Knight Pawn Chess clock Chess table

Rules	Castling Check Checkmate Draw By agreement Fifty-move rule Perpetual check Stalemate Threefold repetition En passant Pawn promotion Time control Fast chess Touch-move rule

Terms	Blunder Chess notation Algebraic Descriptive PGN Annotation symbols Symbols in Unicode Fianchetto Gambit Key square King walk Pawns Backward Connected Doubled Isolated Maróczy Bind Passed Open file Half-open file Outpost School Hypermodern Romantic Swindle Tempo Transposition

Tactics	Battery Alekhine's gun Block Checkmate patterns Combination Decoy Deflection Desperado Discovered attack Double check Fork Interference Overloading Pin Sacrifice Skewer Windmill X-ray Zwischenzug

Strategy	Artificial castling Compensation Exchange The exchange Initiative First-move advantage Middlegame Pawn storm Pawn structure Piece values Prophylaxis

Openings	List of openings theory table Flank opening English Opening King's Pawn Game Caro–Kann Defence French Defence Open Game Italian Game King's Gambit Ruy Lopez Pirc Defence Sicilian Defence Najdorf Queen's Pawn Game Benoni Defence Dutch Defence Grünfeld Defence King's Indian Defence Nimzo-Indian Defence Queen's Indian Defence Queen's Gambit Declined Slav Defence Quick checkmates Fool's mate Scholar's mate

Endgames	King and pawn vs king Opposite-coloured bishops Pawnless endgame Queen and pawn vs queen Queen vs pawn Rook and pawn vs rook Lucena position Philidor position Strategy Fortress Opposition Tarrasch rule Triangulation Undermining Zugzwang Study Tablebase Two knights endgame Wrong bishop Wrong rook pawn

Related	Cheating in chess Chess aesthetics Chess in the arts in early literature Chess books Opening books Endgame literature Chess club Chess composer Chess in Europe Göttingen manuscript Chess libraries Chess newspaper columns Chess periodicals Chess prodigy Glossary Notable games Simultaneous exhibition Staunton chess set Top player comparison

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