33-28 is also winning remove the pawns 6 and 47 and it'll be good. otherwise, put 48 to 43 and 40 to 35 and the only win is 33-28

#4 Cool, 1 vs 4 could be interesting to learn. In this particular game 113. 15-4 seems the most beginner-friendly solution (113... 36-47 114. 43-49 47-36 115. 33-47).

I have understood this: memorizing the first 10 positions (the squares from 1 to 10) it is easy to improve by counting, for example, from the square number 1, +10 to obtain the square number 11; + 20 …