[Retros] Illegal moves by grandmasters

[Joost de Heer]

On 05/11/2011 03:01 PM, A J Mestel wrote:


> I have never for example, seen a problem/study which specified that

> "White has touched his rook and an opponents pawn simultaneously, and so must

> either move the rook or capture the pawn (or both.)"

>

> Or "White only has 3 seconds for his next 10 moves. Physically, this requires

> that the distance of the moving piece to the clock (the left-hand side of the

> board) must on average be less than 2 squares per move."


Something close:

K. Hannemann
Chess Amateur 1927
8/8/K6R/8/3k4/8/6R1/8
Position after 94 plies without capture or pawn move have been played. White wins

1. Rd6! Ke4 2. Rf2 Ke5/Ke3 3. Rf4/Rd4
1...Kc4 2. Rb2 Kc5/Kc3 3. Rb4/Rd4
1...Ke3 2. Rd4 Kf3 3. Re4
1...Ke5 2. Rg4 Kf5 3. Re6
1...Kc5 2. Rg4
1...Kc3 2. Kb5 Kb3 3. Rd3#

Joost