Chess and madness?

(1) Zukertort,Johannes Hermann - Mortimer,James [C52] London London (25), 1883 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.d4 exd4 7.0-0 dxc3 8.Qb3 Qf6 9.e5 Qg6 10.Nxc3 Nge7 11.Ba3 Rb8 12.Nd5 Nxd5 13.Bxd5 Nd8 14.Rad1 b5 15.Rd4 b4 16.Nh4 Qb6 17.Bb2 Ne6 18.Nf5 g6 19.Bxe6 fxe6 20.Ng7+ Kd8 21.Nxe6+ Ke7 22.Nf4 Bb7 23.Rxd7+ Kxd7 24.Qf7+ Kc8 25.e6 Ba6 26.Rc1 Rd8 27.e7 Kb7 28.exd8Q Rxd8 29.Ne6 Rd5 30.Bf6 Qc6 31.Ra1 Bc4 32.Qe7 Qd6 33.Qxd6 Rxd6 34.Nc5+ Kc6 35.Ne4 Re6 36.f3 Bb6+ 37.Kh1 Bd5 38.Rc1+ Kb5 39.Bg5 Bxe4 40.fxe4 Rxe4 41.h4 h6 42.Bd8 c5 0-1

(2) Mortimer,James - Blackburne,Joseph Henry [B01] Ostende-B Ostende (20), 1907 1.e4 d5 2.exd5 Nf6 3.Bb5+ c6 4.dxc6 bxc6 5.Be2 e5 6.d3 Bf5 7.Nf3 Bc5 8.Nc3 Nbd7 9.h3 0-0 10.0-0 Qc7 11.Nh4 Be6 12.Ne4 Nxe4 13.dxe4 Rad8 14.Bd3 g6 15.Bh6 Rfe8 16.Qe2 Rb8 17.b3 Nb6 18.Be3 Be7 19.Nf3 Rf8 20.g4 Kh8 21.Kh1 c5 22.c4 Bc8 23.Bc1 Bf6 24.Bb2 Bg7 25.Nh4 Bb7 26.Rae1 Rbd8 27.Bb1 Rd7 28.Rd1 f5 29.gxf5 gxf5 30.Qh5 fxe4 31.Ng6+ Kg8 32.Nxf8 e3+ 33.Kg1 e2 34.Nxd7 exf1Q+ 35.Kxf1 Nxd7 36.Bxh7+ Kf8 37.Qf5+ Ke7 38.Bg8 Kd8 39.Bxe5 Qc6 40.Qxd7+ Qxd7 41.Rxd7+ Kxd7 42.Bxg7 1-0