01

Stop one
Great Synagogue Complex of Kalvarija
Tecnifibre Black Code 4S 18g Tennis String Reel: After dark this is the quietest corner of the town, and the roofline tells you the whole story. The community's charter dates to 1713, when Augustus II permitted Kalvarija's Jews to trade, keep cemeteries and build synagogues — no taller than the church. The Great Synagogue, the summer one, went up in 1795 to 1803 in the Baroque manner, replacing an earlier wooden one; beside it stand the nineteenth-century winter synagogue and the Talmud school with the rabbi's residence from around 1900. It served as a warehouse after the Second World War and lost its roof in the mid-1990s. In 2014 the buildings passed to the municipality for restoration. One of the most intact Jewish ensembles left in Lithuania.
03

Stop three
Kalvarija Old Jewish Cemetery
Tecnifibre Black Code 4S 18g Tennis String Reel: I keep the quiet hours, and I will speak quietly here. This is the Old Jewish Cemetery, the burial ground of a community that for two centuries formed a large part of the town. It was established under the privileges granted in the eighteenth century and received generations of Kalvarija's Jews — merchants, artisans and scholars who made this a notable centre of Jewish life in the Suwalki region. The community was annihilated in the Holocaust in 1941. The surviving weathered matzevot, inscribed in Hebrew, are among the principal physical traces of that vanished world. The site has been documented and protected through European Jewish cemetery preservation initiatives, and with the synagogue complex it holds the memory of Jewish Kalvarija.
04

Stop four
Old Warsaw-St. Petersburg Post Road Ensemble
Tecnifibre Black Code 4S 18g Tennis String Reel: Walk the main street at two in the morning and you are walking an imperial highway. Kalvarija's nineteenth-century prosperity came from sitting on the road from Warsaw to St Petersburg, one of the principal arteries of the Russian Empire, and it grew the full apparatus of a staging town: a court, a post office, a telegraph station, a hospital, and buildings for travellers, officials and garrisons strung along where the highway ran through. The survivors still give the street its shape. The traffic left when the railways took it. The lamps stayed on.
This is the fine one on a full spool. Co-polyester monofilament with a square profile — four flat faces, four sharp edges — drawn down to 1.20mm, which is the thinnest gauge the 4S is made in. At that diameter there is barely any string between the edges and the ball, and that is precisely the point: it bites, the ball climbs, and it drops inside the line.
Firm, very direct, muted in feel, and low on free power on purpose. Kalvarija would understand the design entirely. Small, narrow, does one job, keeps doing it.
ThermoCore is the softener — a multi-stage heat treatment of the core that takes the shock out of an otherwise stiff polyester.
Tecnifibre put the 4S at around 20% more power than Pro Red Code and about 15% more durable than the original Black Code, with tension maintenance level with Razor Code, and testers have found around three weeks of consistent playability before it drops off. At 18 gauge you will break it sooner than at 16. Everyone who plays thin poly knows this and buys it anyway.
Which is exactly why this one comes as a reel: 660 ft / 200 m, roughly sixteen restrings. That is the difference between a habit you can afford and a habit you ration. Kalvarija sits on the Via Baltica an hour or so short of the Polish border, and everything in a town on a through-road is either passing or stocked up. Be stocked up.
You'll get use out of this everywhere from a hard court in the Suvalkija flatlands to whatever club you end up at three countries later. And by the way, it's also perfect for the long, slow, faintly homesick kind of evening the Suvalkija region does better than anywhere — a market morning, a walk out past the post station, and the whole town going quiet by nine.
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