Selective Castle

Success in Selective Castle requires that all suits complete their wrapping foundation sequences from the player-selected global base rank. The game declares completion only after all interacting restrictions agree at the same time.

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How to play

Success in Selective Castle requires that all suits complete their wrapping foundation sequences from the player-selected global base rank. The game declares completion only after all interacting restrictions agree at the same time.

  • The Selective Castle opening separates permanent constraints from player-controlled positions. The first foundation transfer chooses a shared base rank; all four same-suit foundations then build upward with rank wrapping from that chosen base. Its versioned seed recreates those same constraints locally while keeping unrevealed decisions out of the guide and board labels.
  • Selective Castle treats the printed or dealt restrictions as hard constraints, not suggestions. The first foundation transfer chooses a shared base rank; all four same-suit foundations then build upward with rank wrapping from that chosen base. A move that contradicts the current state has no effect, including after the game has ended.
  • Success in Selective Castle requires that all suits complete their wrapping foundation sequences from the player-selected global base rank. The game declares completion only after all interacting restrictions agree at the same time.

Strategy tips

  • Delay the first foundation move until the exposed tableau shows which base rank has several immediate same-suit followers and few buried predecessors.
  • Selecting a base simply because one card can move now commits all four suits; a weak choice can leave three foundations waiting behind deeply buried ranks.
  • Close Selective Castle by auditing the boundary cases first and the obvious placements second. The position is not done until all suits complete their wrapping foundation sequences from the player-selected global base rank.

Complete guide

Rules, scoring, and strategy

Selective Castle uses the independently implemented Selective Castle PySolFC 3.6.1 fixed rules v1 profile (R583). The defining decisions in Selective Castle come from this rules combination: The first foundation transfer chooses a shared base rank; all four same-suit foundations then build upward with rank wrapping from that chosen base.

Setup and opening position

The Selective Castle opening separates permanent constraints from player-controlled positions. The first foundation transfer chooses a shared base rank; all four same-suit foundations then build upward with rank wrapping from that chosen base. Its versioned seed recreates those same constraints locally while keeping unrevealed decisions out of the guide and board labels.

Legal moves and game flow

Selective Castle treats the printed or dealt restrictions as hard constraints, not suggestions. The first foundation transfer chooses a shared base rank; all four same-suit foundations then build upward with rank wrapping from that chosen base. A move that contradicts the current state has no effect, including after the game has ended.

Winning and terminal positions

Success in Selective Castle requires that all suits complete their wrapping foundation sequences from the player-selected global base rank. The game declares completion only after all interacting restrictions agree at the same time. Close Selective Castle by auditing the boundary cases first and the obvious placements second. The position is not done until all suits complete their wrapping foundation sequences from the player-selected global base rank.

Practical strategy

Delay the first foundation move until the exposed tableau shows which base rank has several immediate same-suit followers and few buried predecessors. Selecting a base simply because one card can move now commits all four suits; a weak choice can leave three foundations waiting behind deeply buried ranks.

Questions players ask

Which decisions in Selective Castle depend on the player-chosen global base rank?

Delay the first foundation move until the exposed tableau shows which base rank has several immediate same-suit followers and few buried predecessors. This matters specifically because the first foundation transfer chooses a shared base rank; all four same-suit foundations then build upward with rank wrapping from that chosen base.

What boundary should be rechecked after a mistake in Selective Castle?

Selecting a base simply because one card can move now commits all four suits; a weak choice can leave three foundations waiting behind deeply buried ranks. Recheck the legal boundary before choosing a replacement move.

When does the runtime award completion in Selective Castle?

Finish Selective Castle when all suits complete their wrapping foundation sequences from the player-selected global base rank. Completion is checked from the entire position, not from a displayed answer or a visual approximation. Undo and redo expose alternative branches without revealing an authored answer.