[{"data":1,"prerenderedAt":241},["ShallowReactive",2],{"bot-yFRzi":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":192,"playstyleSummary":196,"ratingHistory":197,"shortName":201,"similar":202,"stem":237,"trophyQuirk":238,"trophyUnlock":238,"whoShouldPlay":239,"__hash__":240},"bots/bots/yFRzi.json","Lesleigh Kingoff, known at the board as Leslie, is a 64-year-old mining engineer from South Africa whose play registers at a formidable 3054 Elo, placing him squarely in super-grandmaster territory. Decades spent mapping diamond seams have translated into a chess mind of near-perfect precision, capable of calculating long forcing lines and sustaining pressure across complicated middlegames. With the white pieces he frequently opens with the [Queen's Gambit](/resources/openings/queens-gambit), using its central tension to dictate the pace of the game, and he is equally comfortable steering positions into the [Indian Game mainlines](/resources/openings/indian-game-mainlines) when flexibility is preferred. Opponents who sit across from Leslie should expect dense, layered positions, patient manoeuvring rather than early fireworks, and a relentless willingness to keep tension on the board until a decisive opportunity appears.","64","yFRzi","South Africa","za","15d65173f2f8e7145c07ce46b7476a62df405643752f01aa45ecfde167dbdc8d","2026-07-06",3054,"json",[15,18,21],{"question":16,"answer":17},"What rating is Leslie?","Leslie is rated 3054 Elo, which places him in the super-grandmaster and engine-tier bracket. At this strength he plays close to theoretically perfect chess and is expected to defeat the overwhelming majority of human masters.",{"question":19,"answer":20},"What opening does Leslie play?","With the white pieces Leslie most often opens with the [Queen's Gambit](/resources/openings/queens-gambit), his clear primary weapon across more than two hundred games. He also turns to the [Indian Game mainlines](/resources/openings/indian-game-mainlines) for flexibility, and mixes in the [Italian Game](/resources/openings/italian-game) and the [Open Sicilian](/resources/openings/open-sicilian) when sharper play is called for.",{"question":22,"answer":23},"Can master-level players beat Leslie?","Defeating Leslie is extremely difficult even for national masters and international masters, since 3054 Elo sits well above the human world elite. Strong grandmasters can occasionally draw with precise play, but wins against him are rare and usually require him to enter a deliberately unbalanced position.","Underground or on the board, patience uncovers the most precious victories.","Male","Welcome, young apprentice; pull up a stool by the shaft head. The board before us is a *seam* waiting to be worked, every square a pocket of ore or trouble. Sit, breathe, and let us see whether today brings bedrock or a glimmer of *kimberlite*. 💎","A venerable South African mining engineer, his wisdom and strategy are honed from decades in diamond mines, drawing parallels with chess's meticulous planning.",false,"2023-11-10T00:00:00.000Z","An Old Diamond Drill Bit",{},"Lesleigh Kingoff","Mining Engineer",{"solid_sharp":35,"unprepared_theoretical":36},0.36,-0.18,{"stats":38,"whiteFingerprint":52,"blackFingerprint":152},{"total":39,"white":44,"black":48},{"games":40,"uniqueOpenings":41,"sharpness":35,"repertoireNarrowness":42,"theoryAdherence":43},1763,176,-1,0.64,{"games":45,"uniqueOpenings":41,"sharpness":46,"repertoireNarrowness":42,"theoryAdherence":47},976,0.26,0.91,{"games":49,"uniqueOpenings":49,"sharpness":50,"repertoireNarrowness":49,"theoryAdherence":51},0,0.45,0.37,{"firstMove":53},[54,86],{"name":55,"percent":56,"count":57,"lines":58,"responses":60},"d4",53,592,[59],[55],[61,74],{"name":62,"percent":63,"count":64,"lines":65,"variationBreakdown":67},"d5",62.3,208,[66],[55,62],[68],{"name":69,"percent":70,"count":64,"lines":71},"Queen's Gambit",74.8,[72],[55,62,73],"c4",{"name":75,"percent":76,"count":77,"lines":78,"variationBreakdown":80},"Nf6",37.7,126,[79],[55,75],[81],{"name":82,"percent":83,"count":77,"lines":84},"Indian Game mainlines",98.4,[85],[55,75,73],{"name":87,"percent":88,"count":89,"lines":90,"responses":92},"e4",40,446,[91],[87],[93,108,125,138],{"name":94,"percent":95,"count":96,"lines":97,"variationBreakdown":99},"e5",51.9,95,[98],[87,94],[100],{"name":101,"percent":102,"count":96,"lines":103},"Italian Game",69.3,[104],[87,94,105,106,107],"Nf3","Nc6","Bc4",{"name":109,"percent":110,"count":111,"lines":112,"variationBreakdown":115},"Sicilian",31.7,58,[113],[87,114],"c5",[116],{"name":117,"percent":118,"count":111,"lines":119},"Open Sicilian",76.3,[120,121,123],[87,114,105,106,55],[87,114,105,122,55],"d6",[87,114,105,124,55],"e6",{"name":126,"percent":127,"count":128,"lines":129,"variationBreakdown":131},"French",8.7,16,[130],[87,124],[132],{"name":133,"percent":134,"count":128,"lines":135},"Classical French",72.7,[136],[87,124,55,62,137],"Nc3",{"name":139,"percent":140,"count":141,"lines":142,"variationBreakdown":145},"Caro-Kann",7.7,14,[143],[87,144],"c6",[146],{"name":147,"percent":148,"count":141,"lines":149},"Fantasy Caro-Kann",56,[150],[87,144,55,62,151],"f3",{"vsFirstMove":153},[154,175],{"name":87,"lines":155,"responses":157},[156],[87],[158],{"name":159,"percent":160,"count":161,"lines":162,"variationBreakdown":164},"1...e5 (Open Games)",100,495,[163],[87,94],[165],{"name":166,"percent":167,"count":168,"lines":169,"mainlines":172},"Other vs Italian",61.9,101,[170],[87,94,105,106,107,171],"...",[173,75,174],"Bc5","Be7",{"name":55,"lines":176,"responses":178},[177],[55],[179],{"name":180,"percent":181,"count":182,"lines":183,"variationBreakdown":185},"1...d5 systems",94.3,150,[184],[55,62],[186],{"name":187,"percent":181,"count":188,"lines":189},"QGA",39,[190],[55,62,73,191],"dxc4",{"defensive_aggressive":193,"simplifying_complicating":194,"category":195},-0.87,0.9,2,"Leslie strongly favours defensive postures, absorbing pressure before counter-striking, and almost always keeps tension on the board rather than trading pieces off. His lines lean slightly sharp without being reckless, drawing from solid, well-respected systems such as the [Queen's Gambit](/resources/openings/queens-gambit) and the [Italian Game](/resources/openings/italian-game). Expect quiet manoeuvring, careful prophylaxis, and complicated middlegames where one inaccurate move from the opponent quickly becomes a winning resource.",[198],{"rating":199,"msSinceEpoch":200},3046,1777999571758,"Leslie",{"sameStyle":203,"different":222},[204,210,216],{"botId":205,"name":206,"elo":207,"country":208,"countryCode":209,"category":195},"NdaaD","Coins",3069,"United States","us",{"botId":211,"name":212,"elo":213,"country":214,"countryCode":215,"category":195},"RlYwl","Yoshi Roofoto",3070,"Japan","jp",{"botId":217,"name":218,"elo":219,"country":220,"countryCode":221,"category":195},"LqfDY","Nadia Paddlo",3033,"Mauritius","mu",[223,230],{"botId":224,"name":225,"elo":226,"country":227,"countryCode":228,"category":229},"VEQun","Luna Lasker",3053,"Slovakia","sk",1,{"botId":231,"name":232,"elo":233,"country":234,"countryCode":235,"category":236},"spvzs","Terry Firma",3057,"England","gb-eng",4,"bots/yFRzi",null,"Strong club players, masters, and titled competitors rated roughly 2200 and above will gain the most from facing Leslie, though ambitious improvers below that band can still learn by studying the resulting games. Players who tend to simplify too early, panic under sustained pressure, or struggle to find plans in quiet, tension-rich positions will be pushed hardest. Anyone wishing to sharpen defensive technique and positional patience finds an ideal sparring partner here.","dsWDInFgIYgry8JSwTdxcDF392Ek889MAlFKg1R8ur0",1784583550916]