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Элси Ринген's user avatar
Элси Ринген's user avatar
Элси Ринген's user avatar
Элси Ринген
  • Member for 35 days
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2 votes

Can the problem condition "A Posteriori Type Keym", which flips the player to move, also flip the player that delivers mate?

1 vote

Show an AP Type Keym #n, where Black's castling illegality with WTM drives both basic White mate & AP?

1 vote

Have problems similar to this recent composition of mine been done before?

1 vote

Is Retro Zugzwang possible?

1 vote

What is A Posteriori (AP)?

1 vote

What conditions must/should be added to this fairy selfmate stipulation?

1 vote

What conditions must/should be added to this fairy selfmate stipulation?

1 vote

What is the correct retro protocol for this problem? PRA or RS?

1 vote

Does the AP Convention and Rule 16.2 allow E.P. to be performed without justification?

1 vote

How does this problem relate to the 50 & 75 move rules?

0 votes

Is the RS method actually a convention? If so, what can be written in it that is not in 16.1 and 16.2?

0 votes

What is A Posteriori (AP)?