Peruvian Immortal after whites second move
[Event "Simultaneous"]
[Site "Budapest HUN"]
[Date "1934.??.??"]
[EventDate "?"]
[Round "?"]
[Result "1-0"]
[White "Esteban Canal"]
[Black "NN"]
[ECO "B01"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "27"]
1.e4 d5 2.exd5 Qxd5 3.Nc3 Qa5 4.d4 c6 5.Nf3 Bg4 6.Bf4 e6 7.h3
Bxf3 8.Qxf3 Bb4 9.Be2 Nd7 10.a3 O-O-O 11.axb4 Qxa1+ 12.Kd2
Qxh1 13.Qxc6+ bxc6 14.Ba6# 1-0
Nunn's Immortal, no custom moves
[Event "02, Wijk aan Zee"]
[Site "Wijk aan Zee NED"]
[Date "1985.01.19"]
[EventDate "?"]
[Round "2"]
[Result "0-1"]
[White "Alexander Beliavsky"]
[Black "John Nunn"]
[ECO "E81"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "54"]
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 Nbd7 7.Qd2
c5 8.d5 Ne5 9.h3 Nh5 10.Bf2 f5 11.exf5 Rxf5 12.g4 Rxf3 13.gxh5
Qf8 14.Ne4 Bh6 15.Qc2 Qf4 16.Ne2 Rxf2 17.Nxf2 Nf3+ 18.Kd1 Qh4
19.Nd3 Bf5 20.Nec1 Nd2 21.hxg6 hxg6 22.Bg2 Nxc4 23.Qf2 Ne3+
24.Ke2 Qc4 25.Bf3 Rf8 26.Rg1 Nc2 27.Kd1 Bxd3 0-1