[{"data":1,"prerenderedAt":117},["ShallowReactive",2],{"bot-petkv":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":82,"similar":83,"stem":114,"trophyQuirk":36,"trophyUnlock":36,"whoShouldPlay":115,"__hash__":116},"bots/bots/petkv.json","Stoyan Petkov is a 73-year-old bot from Bulgaria whose days are spent in the Rhodope mountains, where he works as a kaba gaida air-bag inflater, breathing life into goatskin bags at weddings and name-day feasts. Chess came to him late, taken up on quiet winter evenings between gigs, and it has stayed a casual pastime rather than a study. At an estimated 155 Elo, Stoyan plays barely above random: he knows how the pieces move but rarely follows any real plan, and pieces tend to drift away from him much as air leaks from an old bag. His pace is unhurried, almost ceremonial, the cadence of a slow folk song rather than a tournament clock. Visitors should expect a gentle, scattered game from an opponent who treats every move as a fresh breath into the bag, with plenty of room for the player across the board to find winning chances.","73","petkv","Bulgaria","bg","b1f1a9988db0d22d4c67a78391d138e7a3eab72e0b06a300352120d1e2b125bc","2026-07-06",155,"json",[15,18,21],{"question":16,"answer":17},"What rating is Stoyan?","Stoyan plays at roughly 155 Elo, which sits barely above random play. He knows how each piece moves but cannot follow a plan, and he blunders pieces in nearly every game. This puts him firmly at the absolute-beginner end of the rating scale.",{"question":19,"answer":20},"What opening does Stoyan play?","Stoyan has no fixed repertoire on file. He has never studied opening theory and chooses his first moves by feel, the way an old piper chooses which tune to start at a wedding. Expect offbeat, unprepared play from the very first move.",{"question":22,"answer":23},"Is Stoyan a good first opponent for someone learning chess?","Yes, Stoyan is an excellent first opponent. At 155 Elo he blunders pieces almost every game, so a new player can practice spotting hanging pieces, delivering basic checkmates, and finishing won endgames without being overwhelmed. He is gentle, slow-paced, and very beatable.","A bag full of air sings — an empty one only whistles.","male","Eh, sit down, friend. Old Stoyan has filled the bag with a little air, enough for a short tune. Move slow, breathe slow. The mountain is patient, and so is this board.","Stoyan has spent more than fifty years filling the goatskin bag of the kaba gaida at weddings, name-day feasts and slate-roofed tavernas across the Rhodope mountains. Younger pipers in his village stopped wanting to do the slow, lung-burning work of inflating, so the elders pay Stoyan a small sum and a bowl of yogurt to come and breathe their bags to life. He took up chess on the long winter evenings between gigs, and now plays at the same patient cadence as a Rhodope folk song.",false,"2026-05-08T00:00:00.000Z","A small worn brass goat-bell tied to the leather strap of his kaba gaida — given to him by his grandfather on the day he was first allowed to inflate a bag at a wedding.",{},"Stoyan Petkov","Rhodope gaida bagpipe air-bag inflater",{"solid_sharp":35,"unprepared_theoretical":35},0,null,{"defensive_aggressive":38,"simplifying_complicating":39,"category":40},0.95,0.96,5,"Stoyan plays with surprising aggression for such a quiet old man, pushing forward and keeping the position tangled rather than trading down. He holds tension on the board the way he holds breath in the bag, never releasing until he must. His choices wander between solid and sharp without any settled theory, and his lack of preparation shows in moves that follow feeling rather than any known line.",[43,45,47,49,51,53,55,57,59,62,64,66,68,70,72,74,76,78,80],{"rating":12,"msSinceEpoch":44},1778301120948,{"rating":12,"msSinceEpoch":46},1778346280774,{"rating":12,"msSinceEpoch":48},1778350188767,{"rating":12,"msSinceEpoch":50},1778437596583,{"rating":12,"msSinceEpoch":52},1778495404678,{"rating":12,"msSinceEpoch":54},1778524458632,{"rating":12,"msSinceEpoch":56},1778550239471,{"rating":12,"msSinceEpoch":58},1778603384058,{"rating":60,"msSinceEpoch":61},144,1778624065610,{"rating":60,"msSinceEpoch":63},1778675361162,{"rating":60,"msSinceEpoch":65},1778770335262,{"rating":60,"msSinceEpoch":67},1778799344847,{"rating":60,"msSinceEpoch":69},1778849812350,{"rating":60,"msSinceEpoch":71},1778855462527,{"rating":60,"msSinceEpoch":73},1778874765240,{"rating":60,"msSinceEpoch":75},1778989626284,{"rating":60,"msSinceEpoch":77},1779036422425,{"rating":60,"msSinceEpoch":79},1779096771196,{"rating":60,"msSinceEpoch":81},1779313291923,"Stoyan",{"sameStyle":84,"different":101},[85,91,97],{"botId":86,"name":87,"elo":88,"country":89,"countryCode":90,"category":40},"hryt","Bohdana Hrytsenko",141,"Ukraine","ua",{"botId":92,"name":93,"elo":94,"country":95,"countryCode":96,"category":40},"tuomi","Eero Tuomivaara",170,"Finland","fi",{"botId":98,"name":99,"elo":100,"country":95,"countryCode":96,"category":40},"mattu","Áile Mattus",184,[102,109],{"botId":103,"name":104,"elo":105,"country":106,"countryCode":107,"category":108},"andra","Lucía Andrade",153,"Ecuador","ec",3,{"botId":110,"name":111,"elo":112,"country":89,"countryCode":90,"category":113},"hryts","Yarema Hrytsai",158,1,"bots/petkv","Players rated under 600 will find Stoyan a fair match, and absolute beginners can use him as a forgiving first opponent. Because he pushes pieces forward aggressively and keeps the position cluttered, he is useful for learners practicing how to defend against scattered attacks, punish loose pieces, and convert simple material advantages into a finished game without panicking in messy positions.","on_765lTn_ICfurDGDLEnnqGNA0fvHAHqywDrZan8R0",1784583545658]