e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6

Ruy Lopez Noah's ark trap (C71) d4 b5 Bb3 Nd4 Nd4 ed Qd4 c5	Bc6 bc Ruy Lopez modern Steinitz defence, exchange variation (C??)
Ruy Lopez modern Steinitz defence (C74) c3	Nc3 Ruy Lopez modern Steinitz defence, Three knights variation (C71)
Ruy Lopez modern Steinitz defence, 5.O-O (C72) o-o	c3 Ruy Lopez modern Steinitz defence (C74)
Ruy Lopez modern Steinitz defence, Duras variation (C71) c4	c4 Ruy Lopez modern Steinitz defence, Duras variation (C71)
Ruy Lopez modern Steinitz defence, Three knights variation (C71) Nc3	d4 b5 Bb3 Nd4 Nd4 ed Qd4 c5 Ruy Lopez Noah's ark trap (C71)
Ruy Lopez modern Steinitz defence, exchange variation (C??) Bc6 bc	o-o Ruy Lopez modern Steinitz defence, 5.O-O (C72)