TACTICAL PRACTICE
Tactics practice 10 exercises in attack and defense · 15 × 15 8 freestyle exercises have no forbidden moves and five or more wins; 2 Renju exercises bind Black to the double-three, double-four and overline rules
08 Applied tactics · Finding space · Freestyle Open ends create opportunities Choose an attack that guarantees a win on your next turn.
Preparing the board
Last move: O3. Black to move · Find a move that meets the goal Tactical explanation Review the key idea and threats
AI COACH Key idea Open ends create opportunities The edge of the board acts like a blocked end. Even with the same four stones, an open four in the center creates a stronger threat for the next move.
Show hint 1No hints: ★★★ · Hint 1: ★★ · More help: ★
10 tactics 0 / 10 complete Without help: 0 solvedSuggested review 01 Win now 2 min · Basics 02 Defend the one key point 2 min · Basics 03 Threaten two points at once 3 min · Intermediate 04 The power of one gap 3 min · Intermediate 05 Two directions, one intersection 4 min · Applied tactics 06 Defend one move earlier 4 min · Applied tactics 07 What matters more than a clever attack 3 min · Applied tactics 08 Open ends create opportunities 4 min · Applied tactics 09 Five instead of a forbidden move 3 min · Renju 10 A four that cannot be blocked 4 min · Renju Practice progress is saved in this browser and kept when you return to your AI game.