Gaspar J. Perrone

N7/1PPB1k2/1PKB2N1/1PPP4/8/8/8/2R4x
40 Gaspar J. Perrone
Problemkiste, 2001

ser-hs#13 Anticirce
Raíz-Cuadrada-50 h1
(root-50-leaper)

1.RCg8 2.RCf1 3.Re8 4.Rxd7[Rd7->e8] 5.RCa6 6.RCh7 7.RCxa8[RCa8->a1] 8.RCb8 9.RCxc1[RCc1->c1] 10.RCh6 11.RCa7 12.RCh8 13.RCc3
1.Ch8 RCxh8[RCh8->h1] #

4 esquinas y circuito, mate por zugzwang.