In a recent study of coastal Saiphos equalis populations, mitochondrial nucleotide sequences (ND2 and cytochrome b) were used to organize the relationships among the various populations.
Edith Holloway - Peter Potemkine, Paris 1924, Owen's Defence 1.e4 b6 2.d4 Bb7 3.Bd3 f5 4.f3 fxe4 5.fxe4 g6 6.Be3 e6 7.Nf3 Nf6 8.Nbd2 Ng4 9.Qe2 Nxe3 10.Qxe3 Bg7 11.0–0 Nc6 12.c3 0–0 13.Rf2 Ne7 14.Raf1 d5 15.Ng5 Rxf2 16.Qxf2 Qd7 17.Qf7+ Kh8 18.Nxe6 Rg8 19.e5 Bc8 20.Nxg7 Rxg7 21.Qf6 Nf5 22.Nf3 Qe7 23.Re1 Kg8 24.Qc6 Be6 25.Qa8+ Qf8 26.Qxa7 g5 27.Bxf5 Bxf5 28.Qb7 Be4 29.Nd2 c5 30.Qxb6 Rf7 31.Qe6 cxd4 32.Nxe4 dxe4 33.cxd4 Qb4 34.Rf1 Qxd4+ 35.Kh1 Qd7 36.Qxf7+ 1–0