2
8
1
9
6
3
7
8
4
1
9
6
4
5
1
6
8
7
8
1
3
4
2
9
9
1
3
5
3
7
5
8
"The most important thing in chess is to know what is worth calculating and what to trust your intuition on." — Garry Kasparov
"The most important thing in chess is to know what is worth calculating and what to trust your intuition on." — Garry Kasparov
"There is no royal road to geometry." — Euclid
"There is no royal road to geometry." — Euclid