Event #4 Portals

Martin0
Martin0
May 3, 2018, 8:52 AM |
2

This is an event that is part of a variant called event chess. More about event chess can be read here.

Event #4 Portals

Rooks can not be captured or moved with their normal movement. The only exception is castling, which can be made as normal. Promotions to rooks are no longer legal.

A piece that can move to a square a rook is standing on can move to that rook and then continue moving in the same direction from the other rook of the same color (as if the rooks were portals that connected the squares the rooks are standing on). If a piece wants to make a capturing move, then it can move through the rook with its capturing movement. Both pieces allied to the rooks and enemies to the rooks can move through the rooks this way. Moving through the rook does not count towards the maximum number of squares a piece can move (so a pawn moving one space forward into a rook will still be able to move 1 space forward from the other rook or 2 spaces if the pawn moved from the second rank). If a knight move to a rook, then it will continue in the same direction from the other rook (meaning that they will move in an L-shape twice during the same turn).

Rooks can move from any square to any empty square that a piece allied to the rook can move to. Squares only reachable by moving through a rook does not count. Rooks can not be moved this way when a player is in check.

Example 1:

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Here, whites bishop can move to the white rook on d3, then continue in the same direction from the other white rook. Then it can move to the black rook on c6 and continue from the other black rook in the same direction. So whites bishop can go to e2, e4, d5, b3, a4, g2 or h3 in one move.

Example 2:

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Whites knight can move though the white rook and continue in the same direction from the other white rook to d7. Or white can move through the black rook and then continue from the other black rook in the same direction to capture blacks knight on g8.

Example 3:

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Whites pawn on b2 can move through thw white rook on b4 to c4. Whites pawn on c2 can move through the white rook on c3 to either b5 or b6.

Example 4:

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Here whites pawn on d2 can move through the white rook on c3 to the other white rook on d4 and capture the c5 pawn. If black did not have a piece on c5 , then white would be unable to move his pawn this way (since pawns can only move diagonally while capturing). Likewise, white is able to move through the black rook on e3 to the other black rook, then continue through the white rook on c3 to the other white rook and then capture on e5.

Example 5:

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Blacks last move was f7-f5. White can capture en passant bxf6.

Example 6:

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The circles indicate squares that white has any piece that can move to. So for example g5 is marked because whites knight can go there. The squares only reachable by moving through rooks does not count (so despite whites king being able to move to c1, the c1 square is not marked.) This means as a move, whites rook can move to any of these squares. For example: Rdg5 is a legal move.

Example 7:

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Blacks queen is threatening to move through the black rook on f8 to the other black rook and then through the white rook on g5 to the white rook on f1 and then capture whites king. So white is in check. When white is in check he is not allowed to move any of his rooks. Game continues 1.d5 Raf5#

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White has no legal moves to stop the check, so it is checkmate.

Example 8:

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Since whites knight is pinned, white has no piece that can move to the d5 square, so moves like Rad5 is not legal. As long as whites king and rooks have not moved previously in the game, then white can castle kingside or queenside here.