A legal jump can lose the finish
Compare all legal first jumps. Which preserve a one-peg finish, and which strand the position? Then play a successful branch.
PRACTICE COLLECTION
Four studies in future consequences. Distinguish a verified finish, a short tactical proof and a useful feature that does not establish a win.
Print these four studies with answers
These are teaching groups, not a player-tested difficulty ladder. The four board IDs match the technique examples, individual study pages and print pack.
Compare all legal first jumps. Which preserve a one-peg finish, and which strand the position? Then play a successful branch.
Compare all legal first jumps. Which preserve a one-peg finish, and which strand the position? Then play a successful branch.
Imagine undoing the final jump: one peg splits into two with an empty landing left behind. Use that idea to explain a complete forward finish.
Imagine undoing the final jump: one peg splits into two with an empty landing left behind. Use that idea to explain a complete forward finish.
Every classic jump removes exactly one peg, so a successful finish from N pegs uses N minus 1 jumps. That arithmetic does not prove a successful sequence exists. An available continuation is not proof of eventual solvability. Exact winning or losing claims require a complete checked sequence or exhaustive search of the stated position. The live generator uses reverse jumps to build reachable layouts, but a poor forward choice can still strand the pegs.
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