10/16/25

Calculation League Season 3 Finals, Match #5 --- Kaloyan vs. Sam

After his dominant win at the Junior Mental Calculation World Championship, Kaloyan Geshev (Калоян Гешев) (Bulgaria) starts the finals stage of Season 3 with a win over Sam Engel (USA).

October 16, 2025

Due to technical issue, the first set of the recording is omitted.

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Multioperation Mental Calculation Tutorial (with Herzegovinian Mental Calculator Jure Colak)

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Calculation League Season 3, Finals Match #4