[{"data":1,"prerenderedAt":311},["ShallowReactive",2],{"bot-TuFZS":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":177,"playstyleSummary":181,"ratingHistory":182,"shortName":274,"similar":275,"stem":307,"trophyQuirk":308,"trophyUnlock":308,"whoShouldPlay":309,"__hash__":310},"bots/bots/TuFZS.json","Len Petroglyph is a 38-year-old rock painter from Ukraine who approaches the chessboard with the same patient eye he brings to his stones. Rated 1569, he sits comfortably in the intermediate club-player bracket, confident with standard opening ideas and capable of calculating two or three moves deep before instinct takes over. His repertoire leans toward sharp, tension-filled positions; with the white pieces he often opens with the [King's Gambit](/resources/openings/kings-gambit), a romantic-era choice that suits his taste for keeping the board complicated rather than simplifying into clean endgames. Years spent observing the slow geometry of cracked rock surfaces seem to inform his board vision, though he has never pursued formal study or serious competitive play. Opponents facing Len should expect a defensively minded player who refuses to release tension, content to absorb pressure and wait for tactical opportunities to surface.","38","TuFZS","Ukraine","ua","9dff40eeed2e1555ea7e42861781b1f3e42281e4ad2c9f27841177eefdab73d3","2026-07-06",1569,"json",[15,18,21],{"question":16,"answer":17},"What rating is Len?","Len's estimated rating is 1569, placing him squarely in the intermediate club-player range. At this level he handles standard opening ideas confidently and calculates two or three moves deep before falling back on intuition and general principles.",{"question":19,"answer":20},"What opening does Len play?","With the white pieces Len most often reaches for the [King's Gambit](/resources/openings/kings-gambit), a sharp nineteenth-century attacking line that fits his appetite for complications. He also dabbles in the [Bowdler Attack](/resources/openings/bowdler-attack) against the Sicilian, and as black he answers 1.e4 with the [Dragon](/resources/openings/dragon).",{"question":22,"answer":23},"How can intermediate players use Len to improve?","Intermediate players in the 1400 to 1700 range can use games against Len to practice converting small advantages in tense, unsimplified middlegames. Because he keeps the board complicated and avoids exchanges, opponents learn to find piece activity, manage layered tactical threats, and break through stubborn defensive structures rather than coast into easy endgames.","Through brushstrokes and moves, I reveal the beauty hidden within the depths of time.","Male","Behold thou art arriving as **sediment** settles upon ancient **stone** 🌞 I am standing here brush in hand casting shadows whilst Earth's offspring are awaiting thy command like **boulders** poised upon the river's bend 🌞","Intricately painting rocks, he breathes life into stones as ancient as Mother Earth herself - a grandmaster skillfully maneuvering pieces on a chessboard.",false,"2024-01-13T00:00:00.000Z","An Ancient Paintbrush",{},"Len Petroglyph","Rock Painter",{"solid_sharp":35,"unprepared_theoretical":36},1,0,{"stats":38,"whiteFingerprint":52,"blackFingerprint":134},{"total":39,"white":45,"black":49},{"games":40,"uniqueOpenings":41,"sharpness":42,"repertoireNarrowness":43,"theoryAdherence":44},1387,92,1.12,-0.61,0.61,{"games":46,"uniqueOpenings":41,"sharpness":47,"repertoireNarrowness":43,"theoryAdherence":48},821,1.13,0.67,{"games":36,"uniqueOpenings":36,"sharpness":50,"repertoireNarrowness":36,"theoryAdherence":51},1.1,0.55,{"firstMove":53},[54],{"name":55,"percent":56,"count":57,"lines":58,"responses":60},"e4",85,783,[59],[55],[61,74,88,121],{"name":62,"percent":63,"count":64,"lines":65,"variationBreakdown":67},"e5",75.4,341,[66],[55,62],[68],{"name":69,"percent":70,"count":64,"lines":71},"King's Gambit",100,[72],[55,62,73],"f4",{"name":75,"percent":76,"count":77,"lines":78,"variationBreakdown":81},"Sicilian",11.5,52,[79],[55,80],"c5",[82],{"name":83,"percent":84,"count":77,"lines":85},"Bowdler Attack",48.1,[86],[55,80,87],"Bc4",{"name":89,"percent":90,"count":91,"lines":92,"variationBreakdown":95},"French",8.6,39,[93],[55,94],"e6",[96,105,111],{"name":97,"percent":98,"count":99,"lines":100},"Exchange French",46.2,18,[101],[55,94,102,103,104],"d4","d5","exd5",{"name":106,"percent":107,"count":108,"lines":109},"Advance French",28.2,11,[110],[55,94,102,103,62],{"name":112,"percent":113,"count":114,"lines":115,"mainlines":118},"Other vs French",25.6,10,[116],[55,94,102,103,117],"...",[62,119,120,104],"Nc3","Nd2",{"name":122,"percent":123,"count":124,"lines":125,"variationBreakdown":128},"Caro-Kann",4.4,20,[126],[55,127],"c6",[129],{"name":130,"percent":131,"count":124,"lines":132},"Exchange Caro-Kann",76.9,[133],[55,127,102,103,104],{"vsFirstMove":135},[136,158],{"name":55,"lines":137,"responses":139},[138],[55],[140],{"name":75,"percent":141,"count":142,"lines":143,"variationBreakdown":145},81.7,282,[144],[55,80],[146],{"name":147,"percent":148,"count":149,"lines":150},"Dragon",73.8,32,[151],[55,80,152,153,102,154,155,156,119,157],"Nf3","d6","cxd4","Nxd4","Nf6","g6",{"name":102,"lines":159,"responses":161},[160],[102],[162],{"name":163,"percent":164,"count":165,"lines":166,"variationBreakdown":168},"Indian systems",62.9,88,[167],[102,156],[169],{"name":170,"percent":171,"count":172,"lines":173},"King's Indian",49.9,16,[174],[102,156,175,157,119,176],"c4","Bg7",{"defensive_aggressive":178,"simplifying_complicating":179,"category":180},-0.95,0.95,2,"Len favors defensive setups but stubbornly refuses to simplify, keeping tension on the board for as long as possible. His positions tend to be sharp and tactically charged rather than calm or solid, and he holds no firm allegiance to mainline theory. With white he leans into the aggressive [King's Gambit](/resources/openings/kings-gambit); with the black pieces he embraces the razor-edged [Dragon](/resources/openings/dragon) variation of the Sicilian.",[183,186,189,191,194,197,200,203,206,209,212,215,218,221,224,227,230,232,235,238,240,242,245,248,250,252,254,257,260,262,265,268,271],{"rating":184,"msSinceEpoch":185},1646,1777478957770,{"rating":187,"msSinceEpoch":188},1647,1777639879700,{"rating":187,"msSinceEpoch":190},1777640240314,{"rating":192,"msSinceEpoch":193},1648,1777640562085,{"rating":195,"msSinceEpoch":196},1631,1777640968051,{"rating":198,"msSinceEpoch":199},1628,1777703612510,{"rating":201,"msSinceEpoch":202},1639,1777880527997,{"rating":204,"msSinceEpoch":205},1650,1777881045522,{"rating":207,"msSinceEpoch":208},1642,1777881492437,{"rating":210,"msSinceEpoch":211},1653,1778075863511,{"rating":213,"msSinceEpoch":214},1661,1778076324727,{"rating":216,"msSinceEpoch":217},1651,1778166094530,{"rating":219,"msSinceEpoch":220},1658,1778178766972,{"rating":222,"msSinceEpoch":223},1655,1778179002999,{"rating":225,"msSinceEpoch":226},1668,1778185145298,{"rating":228,"msSinceEpoch":229},1660,1778185412020,{"rating":192,"msSinceEpoch":231},1778347270417,{"rating":233,"msSinceEpoch":234},1657,1778347823112,{"rating":236,"msSinceEpoch":237},1663,1778712561206,{"rating":225,"msSinceEpoch":239},1778712857744,{"rating":210,"msSinceEpoch":241},1778713081692,{"rating":243,"msSinceEpoch":244},1659,1778713218887,{"rating":246,"msSinceEpoch":247},1645,1778713303828,{"rating":216,"msSinceEpoch":249},1778713629897,{"rating":233,"msSinceEpoch":251},1778713783533,{"rating":207,"msSinceEpoch":253},1778714165544,{"rating":255,"msSinceEpoch":256},1638,1778714536014,{"rating":258,"msSinceEpoch":259},1624,1778714816677,{"rating":195,"msSinceEpoch":261},1778718894316,{"rating":263,"msSinceEpoch":264},1617,1778726288543,{"rating":266,"msSinceEpoch":267},1604,1778949319354,{"rating":269,"msSinceEpoch":270},1591,1779036566427,{"rating":272,"msSinceEpoch":273},1582,1779117713748,"Len",{"sameStyle":276,"different":294},[277,282,288],{"botId":278,"name":279,"elo":12,"country":280,"countryCode":281,"category":180},"demir","Leyla Demir","Germany","de",{"botId":283,"name":284,"elo":285,"country":286,"countryCode":287,"category":180},"vsIrT","Max Power",1566,"United States","us",{"botId":289,"name":290,"elo":291,"country":292,"countryCode":293,"category":180},"kBcdC","Damian Stalee",1578,"Venezuela","ve",[295,301],{"botId":296,"name":297,"elo":12,"country":298,"countryCode":299,"category":300},"MpYrF","Gracie","Montenegro","me",4,{"botId":302,"name":303,"elo":12,"country":304,"countryCode":305,"category":306},"oODnu","Dante Diagonal","Peru","pe",3,"bots/TuFZS",null,"Players rated roughly 1300 to 1700 will find Len a useful sparring partner. His refusal to simplify rewards opponents who can navigate cluttered middlegames and punish loose tactics under pressure. Improving club players who tend to seek early trades or quiet endings will benefit most, as Len forces them to defend accurately while still hunting for sharp counterplay across complicated and unresolved positions.","OnSFni7TCyYLYoH8w6zPyhGWkVPcAzI-KimWrRxZuuM",1784583531338]