[{"data":1,"prerenderedAt":154},["ShallowReactive",2],{"bot-berto":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":36,"playstyle":37,"playstyleSummary":41,"ratingHistory":42,"shortName":122,"similar":123,"stem":151,"trophyQuirk":36,"trophyUnlock":36,"whoShouldPlay":152,"__hash__":153},"bots/bots/berto.json","Matteo Bertoli is a 33-year-old violin-bow rehairer from Cremona, Italy, where he runs a small workshop and re-hairs bows for orchestras across the north of the country. He learned the trade from his grandfather and spends his days pulling horsehair to tension by hand, two hundred strands at a time. Chess is something he has been around for years without ever sitting down to study it, and his rating of 1056 reflects that: a casual club level where basic principles like development and king safety are in place, but middlegames get tangled and endings often slip. He keeps a worn ebony hank-stick from his grandfather's bench in his apron pocket whenever he plays. Expect a slow, careful opponent who treats every move like a strand to be combed straight, rarely trades pieces, and is most vulnerable once the position simplifies into a technical ending.","33","berto","Italy","it","52d10e8ae9de03943399b97c6a4fb90e3b5cb03d87d4aef46aa28da9e1a27593","2026-07-06",1056,"json",[15,18,21],{"question":16,"answer":17},"What rating is Matteo?","Matteo plays at an estimated 1056 Elo. That places him at a casual club level, comfortable with opening principles and basic king safety but prone to mistakes in middlegame complications and endings.",{"question":19,"answer":20},"What opening does Matteo play?","Matteo has no fixed repertoire on file. His choices are middle-of-the-road, neither sharply theoretical nor deliberately offbeat, and he tends to pick whichever setup keeps the position quiet and the pieces on the board.",{"question":22,"answer":23},"Is Matteo a fair challenge for casual club players?","Yes. At 1056 Elo he sits squarely in the casual club bracket, making him a fair sparring partner for players roughly between 800 and 1200. Stronger players will outclass him in the endgame, while weaker ones will be tested by his patience and his habit of keeping tension on the board.","Two hundred hairs, all the same length — that is the whole craft.","male","Allora, sit down. I've got the bench cleared and a fresh ribbon laid out. We'll comb the pieces flat together and see how the tension sits. I only play a few games a year, so go easy, but I'll pull each strand as straight as I can.","Matteo runs a small bow workshop in Cremona, the same city that has shaped string instruments for four hundred years. He spends his days re-hairing violin, viola, and cello bows for orchestras across northern Italy, pulling each strand of horsehair to the right tension by hand. He learned the trade from his grandfather and treats every bow that crosses his bench like a small careful project.",false,"2026-05-08T00:00:00.000Z","A worn ebony hank-stick from his grandfather's bench, kept in his apron pocket whenever he plays.",{},"Matteo Bertoli","Cremona violin-bow rehairer",{"solid_sharp":35,"unprepared_theoretical":35},0,null,{"defensive_aggressive":38,"simplifying_complicating":39,"category":40},-0.95,0.95,2,"Matteo plays in a markedly defensive register, preferring quiet setups over forcing lines and almost never initiating attacks. He keeps tension on the board and avoids trades, letting positions thicken like a ribbon of hair being combed flat rather than cut short. His opening choices are neither deeply theoretical nor especially offbeat, sitting in the middle of the road, with no settled preference between solid and sharp lines.",[43,46,49,52,54,57,60,63,65,68,71,74,77,79,82,85,87,90,93,96,98,100,103,105,108,110,113,116,119],{"rating":44,"msSinceEpoch":45},1070,1778511365773,{"rating":47,"msSinceEpoch":48},1069,1778511734944,{"rating":50,"msSinceEpoch":51},1059,1778522514914,{"rating":50,"msSinceEpoch":53},1778608298229,{"rating":55,"msSinceEpoch":56},1050,1778655037837,{"rating":58,"msSinceEpoch":59},1040,1778658734013,{"rating":61,"msSinceEpoch":62},1034,1778706963246,{"rating":61,"msSinceEpoch":64},1778773593987,{"rating":66,"msSinceEpoch":67},1026,1778786588404,{"rating":69,"msSinceEpoch":70},1016,1778874026707,{"rating":72,"msSinceEpoch":73},1031,1778874928193,{"rating":75,"msSinceEpoch":76},1046,1778875188210,{"rating":12,"msSinceEpoch":78},1778954380324,{"rating":80,"msSinceEpoch":81},1047,1778954718094,{"rating":83,"msSinceEpoch":84},1035,1778957665257,{"rating":66,"msSinceEpoch":86},1778959767204,{"rating":88,"msSinceEpoch":89},1018,1779079734914,{"rating":91,"msSinceEpoch":92},1036,1779092823659,{"rating":94,"msSinceEpoch":95},1052,1779093318348,{"rating":55,"msSinceEpoch":97},1779130842654,{"rating":80,"msSinceEpoch":99},1779131148253,{"rating":101,"msSinceEpoch":102},1041,1779238504480,{"rating":72,"msSinceEpoch":104},1779293774772,{"rating":106,"msSinceEpoch":107},1027,1779296244966,{"rating":69,"msSinceEpoch":109},1779310570193,{"rating":111,"msSinceEpoch":112},1008,1779315853775,{"rating":114,"msSinceEpoch":115},1000,1779316719501,{"rating":117,"msSinceEpoch":118},997,1779341095326,{"rating":120,"msSinceEpoch":121},989,1779347490596,"Matteo",{"sameStyle":124,"different":138},[125,128,132],{"botId":126,"name":127,"elo":72,"country":8,"countryCode":9,"category":40},"lanza","Rosalia Lanza",{"botId":129,"name":130,"elo":131,"country":8,"countryCode":9,"category":40},"corti","Bianca Corti",1082,{"botId":133,"name":134,"elo":135,"country":136,"countryCode":137,"category":40},"m_3_a","Anson Baptiste",1013,"Trinidad and Tobago","tt",[139,146],{"botId":140,"name":141,"elo":142,"country":143,"countryCode":144,"category":145},"lehou","Maxime Lehoux",1051,"France","fr",1,{"botId":147,"name":148,"elo":149,"country":143,"countryCode":144,"category":150},"roux","Mireille Roux",1061,3,"bots/berto","Players in the 800 to 1200 range will find Matteo a natural match, neither overwhelming nor a walkover. Improving beginners who tend to rush exchanges can learn from his patience and his refusal to trade, which forces them to navigate cluttered middlegames instead of reaching for simplifications. Aggressive attackers in the same bracket can practice converting an advantage against a stubborn, quietly defensive opponent who rarely cracks early.","vPhamx4JYCC7rBQgSCP4SoApMRBI4iJmQFNfZOJ_44I",1784583534545]