Opening roll · 2-1

2-1 — The Slotting Question

Best play: 13/11 6/5 or 24/23 13/11

Slot the 5-point daringly, or split quietly. Money play and match play disagree here.

CHARACTER · SCORE-SENSITIVE · ADVANCED

Watch

This opening roll, explained.

When winning twice as much matters more than winning at all — gammon value in money games and matches.

The Cube Room · Advanced

Players

1979– · Error-rate discipline

World champion and leader of Japan's modern school — meticulous preparation, ruthless self-review and the lowest error rates ever recorded.

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