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Mate with rook and king (Ra8)

White to move, mate in one. This is the classic mate with rook and king - the rook-against-king ending every chess player should be able to deliver.

The black king on h8 is pressed against the edge. The white king on g6 takes g7 and h7 away from him, and the rook stands on a1.

The solution is Ra8 mate. The rook goes to a8 and mates along the edge of the board: g7 and h7 are held by the king on g6, and the rook itself seals the eighth rank. The enemy king is trapped.

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Drag a piece onto the board, or click a piece and then click the squares. The cross beside the pieces sweeps every piece of that colour off the board, and a single piece can be dragged off the edge.

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It is the mating side to move. Find mate in one.

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The tournament app

Three event formats in one app

The Vibe Chess app is built for an evening over the board, not for online play: it keeps the sign-up list, the pairings and the table while you deal with people and the venue. All of it free.

Swiss system

score groups, no rematches, no two byes in a row

Round robin

everyone plays everyone, the app works out the number of rounds

Free meetup

who is free and who is already at a board is shown under Now

How the tournament runs
  1. 1Create the event and save the venue for next time
  2. 2Open sign-up, players arrive through the link
  3. 3Start the tournament and the app announces the pairings
  4. 4Keep entering results, then take the final table and the TRF file

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