Gaspar J. Perrone

1nbqkbnr/pppppppp/8/8/8/r3P1P1/PPPP1PKP/RNB5
35 Gaspar J. Perrone
The Problemist, 2009-01

PG 9.0 Vertical Möbius Strip

1.g3 h5 2.Aa5 hxa5 3.Ch3 a5xh3 4.e3 a5 5.Dh5 axh5 6.Rf1 Ta3 7.Ta8 h6 8.Ta7 hxa7 9.Rg2 h7

Intercambio de casillas (Platzwechsel) entre peones.
To my knowledge, first presentation of two Ps of same colour changing place – motivated by need to let (Ra8) out. Most enjoyable logic; the cross-border antics of (Ph7) also deserve notice. Thanks, Gaspar! (C.C.Lytton).