[{"data":1,"prerenderedAt":195},["ShallowReactive",2],{"bot-rQAEM":3},{"id":4,"aboutLong":5,"age":6,"botId":7,"country":8,"countryCode":9,"dataHash":10,"dateModified":11,"elo":12,"extension":13,"faq":14,"favoriteQuote":24,"gender":25,"hello":26,"introduction":27,"isTrophy":28,"liveDate":29,"luckyCharm":30,"meta":31,"name":32,"occupation":33,"openingAxes":34,"openingsAnalysis":37,"playstyle":150,"playstyleSummary":154,"ratingHistory":155,"shortName":158,"similar":159,"stem":191,"trophyQuirk":192,"trophyUnlock":192,"whoShouldPlay":193,"__hash__":194},"bots/bots/rQAEM.json","Karl Ossify is a 40-year-old fossil curator from Germany whose working hours are spent cataloguing specimens in a Berlin museum. Away from the display cases, Karl competes at an estimated 3130 Elo, a super-grandmaster tier that places his calculation close to engine-perfect play and well beyond the reach of nearly all human masters. As White he favors the [Vienna Game](/resources/openings/vienna-game), a flexible classical system aimed at undermining Black's central pawn with a timely f-pawn advance. Against 1.e4 he answers with the Sicilian, and against 1.d4 he reaches for hypermodern setups, mirroring the patient, layered approach of paleontological fieldwork. His lucky charm, an ammonite fossil, sits beside the board during every session. Opponents should expect a slow accumulation of small advantages, sharp tactical bursts when tension peaks, and almost no exploitable mistakes from move one to resignation.","40","rQAEM","Germany","de","8099982515a368c8818d3340b9548d63382cbe4e7bf4cbf89a5b5cbb9599c946","2026-07-06",3130,"json",[15,18,21],{"question":16,"answer":17},"What rating is Karl?","Karl plays at an estimated 3130 Elo. That places him in the super-grandmaster and engine-tier bracket, well above the strongest human world champions. His calculation depth and positional accuracy approach theoretically perfect play.",{"question":19,"answer":20},"What opening does Karl play?","With the white pieces Karl most often opens with the [Vienna Game](/resources/openings/vienna-game), and against 1.e4 as Black he answers with the [d6 Sicilian](/resources/openings/d6-sicilian). Against 1.d4 he reaches for the [King's Indian](/resources/openings/kings-indian), and when facing the Sicilian himself he often deploys the [Grand Prix Attack](/resources/openings/grand-prix-attack).",{"question":22,"answer":23},"Can master-level players beat Karl?","Beating Karl at 3130 Elo is extremely difficult even for titled masters, since his level exceeds the rating of every current human world champion. International masters and grandmasters can occasionally draw or win with precise, low-risk play, but consistent victories are out of reach. Most master-level games against Karl end in defeat after a single inaccuracy.","Unearthing the past, strategizing the future, a chessboard for my fossilized dreams.","Male","... Greetings fellow excavator of the sixty-four squares! Welcome to my Berlin laboratory of strategy! ... My fossils whisper Jurassic moves and Cretaceous insights! Prepare for a Carboniferous duel across stratigraphic ranks and files! *Homo ludens*!","Oversees a vast fossil collection at a Berlin museum, safeguarding Earth's ancient history like a vigilant Chess King protecting his realm.",false,"2023-12-06T00:00:00.000Z","An Ammonite Fossil",{},"Karl Ossify","Fossil Curator",{"solid_sharp":35,"unprepared_theoretical":36},0.72,0.315,{"stats":38,"whiteFingerprint":52,"blackFingerprint":104},{"total":39,"white":44,"black":48},{"games":40,"uniqueOpenings":41,"sharpness":35,"repertoireNarrowness":42,"theoryAdherence":43},1999,62,-0.14,0.77,{"games":45,"uniqueOpenings":41,"sharpness":46,"repertoireNarrowness":42,"theoryAdherence":47},1005,0.53,0.75,{"games":49,"uniqueOpenings":49,"sharpness":50,"repertoireNarrowness":49,"theoryAdherence":51},0,0.9,0.78,{"firstMove":53},[54],{"name":55,"percent":56,"count":57,"lines":58,"responses":60},"e4",90.5,958,[59],[55],[61,74,89],{"name":62,"percent":63,"count":64,"lines":65,"variationBreakdown":67},"e5",85.8,454,[66],[55,62],[68],{"name":69,"percent":70,"count":64,"lines":71},"Vienna Game",97,[72],[55,62,73],"Nc3",{"name":75,"percent":76,"count":77,"lines":78,"variationBreakdown":81},"Sicilian",13.4,71,[79],[55,80],"c5",[82],{"name":83,"percent":84,"count":77,"lines":85},"Grand Prix Attack",74,[86],[55,80,73,87,88],"Nc6","f4",{"name":90,"percent":91,"count":92,"lines":93,"variationBreakdown":96},"Caro-Kann",0.8,4,[94],[55,95],"c6",[97],{"name":98,"percent":99,"count":92,"lines":100},"Advance Caro-Kann",100,[101],[55,95,102,103,62],"d4","d5",{"vsFirstMove":105},[106,122],{"name":55,"lines":107,"responses":109},[108],[55],[110],{"name":75,"percent":99,"count":111,"lines":112,"variationBreakdown":114},620,[113],[55,80],[115],{"name":116,"percent":99,"count":117,"lines":118},"d6 Sicilian",334,[119],[55,80,120,121],"Nf3","d6",{"name":102,"lines":123,"responses":125},[124],[102],[126],{"name":127,"percent":99,"count":128,"lines":129,"variationBreakdown":132},"Indian systems",262,[130],[102,131],"Nf6",[133,144],{"name":134,"percent":135,"count":136,"lines":137,"mainlines":142},"Other g6 Indian lines",51.8,44,[138],[102,131,139,140,73,141],"c4","g6","...",[103,143],"Bg7",{"name":145,"percent":146,"count":147,"lines":148},"King's Indian",48.2,41,[149],[102,131,139,140,73,143],{"defensive_aggressive":151,"simplifying_complicating":152,"category":153},-0.96,0.96,2,"Karl plays in a deeply defensive, complicating style. He sidesteps simplifying trades and keeps maximum tension on the board, waiting for the opponent to overextend before striking. With White he reaches for the [Vienna Game](/resources/openings/vienna-game), and as Black he relies on the [d6 Sicilian](/resources/openings/d6-sicilian) for asymmetric counterplay. His repertoire leans toward sharp mainline theory, blending classical preparation with patient maneuvering.",[156],{"rating":12,"msSinceEpoch":157},1777777809461,"Karl",{"sameStyle":160,"different":179},[161,167,173],{"botId":162,"name":163,"elo":164,"country":165,"countryCode":166,"category":153},"lMBFj","Cheque Matisse",3137,"Switzerland","ch",{"botId":168,"name":169,"elo":170,"country":171,"countryCode":172,"category":153},"iZwAP","Henry Chalktalk",3122,"Canada","ca",{"botId":174,"name":175,"elo":176,"country":177,"countryCode":178,"category":153},"fnOXj","Fiona Permuto",3087,"Italy","it",[180,186],{"botId":181,"name":182,"elo":183,"country":184,"countryCode":185,"category":92},"pnEGi","Baink Sis",3127,"England","gb-eng",{"botId":187,"name":188,"elo":189,"country":171,"countryCode":172,"category":190},"TcDhf","Ivy Ink",3133,5,"bots/rQAEM",null,"Karl is suited to advanced and master-level players roughly 2200 and above who want a benchmark against engine-tier resistance. Club players will find the experience punishing but instructive, particularly those learning how to handle prolonged tension without rushing trades. Anyone studying defensive technique, prophylaxis, and converting small structural advantages will gain the most, as Karl rarely simplifies and almost never blunders under pressure.","gq0GxIgXlxin4m5WbwJBod3z0tzc7xess1fwwgkFjRA",1784583546541]