[Event "6th match game"] [Site "Pretoria"] [Date "1911.10.23"] [Round "?"] [White "Duhan,Harry T"] [Black "Siegheim, Bruno E"] [Result "1/2-1/2"] [WhiteElo "?"] [BlackElo "?"] 1.c4 Nf6 2.Nc3 d5 3.e3 c5 4.d4 e6 5.Bd3 Nc6 6.Nf3 Bd6 7.0-0 0-0 8.Nb5 a6 $2 9.Nxd6 Qxd6 10.b3 cxd4 11.exd4 b6 12.Bb2 Bb7 13.Rc1 Rfd8 14.Qe2 Ne7 $2 (14...dxc4 15.bxc4 Qf4 {gets play vs hanging pawns}) 15.c5 $1 bxc5 16.dxc5 Qf4 17.Be5 Qh6 18.Nd4 Rac8 19.f4 Nc6 20.Nxc6 Rxc6 21.Rf3 $1 {wins material} 21...Ne4 22.Bxe4 dxe4 23.Rh3 Qg6 24.Rg3 Qh6 25.Rxg7+ Qxg7 26.Bxg7 Kxg7 27.Qxe4 {hereabouts Duhan relaxes and lets an easily won game slip} 27...Rg8 {Diagram [#] hoping to attack g2} 28.Qe3 ({after} 28.Rd1 $1 {the game was over} 28...Kh6 (28...Rc7 $2 29.Qe5+) (28...Rf8 29.Rd7 $18) 29.Qe3 Rcc8 30.Rd2 $18) 28...Rd8 29.Qe5+ Kf8 30.Rc2 a5 31.a3 Ba6 32.Qh8+ Ke7 33.Qxh7 Rd1+ 34.Kf2 Rf1+ 35.Kg3 e5 36.Qh4+ Ke6 37.fxe5 Kxe5 {an ingenious King march} 38.h3 Bd3 39.Qe7+ Re6 40.Qc7+ Ke4 41.Rb2 {they played at 15 moves per hour, the times here were 98 mins to 113 mins} 41...f5 42.Qb7+ Ke3 43.Qd5 f4+ 44.Kh2 (44.Kh4 {Dreyer}) 44...Re4 45.c6 Rc1 46.Qd6 Rd4 47.Qe7+ Be4 48.c7 Rd3 49.Qd8 $2 {this is much too clever} ({simply} 49.Qh4 $1 {then Qf2+ ends it}) 49...Bf5 50.b4 Rdd1 51.Rb3+ $4 {the Major misses another clincher and finds his King stuck in a mating net, so he has to keep on checking} (51.Qe7+ Kd4 52.Qd6+ Ke3 53.Qe5+ Be4 54.Re2+ $18) 51...Ke4 52.Qe7+ Kd5 {and the printed score ends here, with a note that the draw was agreed on move 78} 1/2-1/2