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edited Aug 17, 2020 at 2:42

I know this thread is old, but here is my improvement to kingside castling, 8-8.0 moves. Black even has to do one useless waiting move (Ng4).

[FEN ""]
1. e3 e5 2. Ke2 c5 3. Kd3 Bd6 4. Ke4 Nh6 5. Kd5 Ng4 6. Kxd6 Qf6+ 7. Kc7 Qb6+ 8. Kxc8 O-O#

Queenside castling can be proven to be impossible in 8.0.

I know this thread is old, but here is my improvement to kingside castling, 8.0 moves. Black even has to do one useless waiting move (Ng4).

[FEN ""]
1. e3 e5 2. Ke2 c5 3. Kd3 Bd6 4. Ke4 Nh6 5. Kd5 Ng4 6. Kxd6 Qf6+ 7. Kc7 Qb6+ 8. Kxc8 O-O#

Queenside castling can be proven to be impossible in 8.0.

I know this thread is old, but here is my improvement to kingside castling-8.0 moves. Black even has to do one useless waiting move (Ng4).

[FEN ""]
1. e3 e5 2. Ke2 c5 3. Kd3 Bd6 4. Ke4 Nh6 5. Kd5 Ng4 6. Kxd6 Qf6+ 7. Kc7 Qb6+ 8. Kxc8 O-O#

Queenside castling can be proven to be impossible in 8.0.

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created Apr 23, 2020 at 7:14

I know this thread is old, but here is my improvement to kingside castling, 8.0 moves. Black even has to do one useless waiting move (Ng4).

[FEN ""]
1. e3 e5 2. Ke2 c5 3. Kd3 Bd6 4. Ke4 Nh6 5. Kd5 Ng4 6. Kxd6 Qf6+ 7. Kc7 Qb6+ 8. Kxc8 O-O#

Queenside castling can be proven to be impossible in 8.0.