Don't take Knight-- do 13...Bd4+ or Queen later-- do 16...Rxh2# J Gocher vs Harrwitz, 1859  (C39) King's Gambit Accepted, 15 moves, 0-1 Not 9. ... Nxc2 to win the Exchange,but 9. ... Nd3#!! NN vs E Canal, 1935  (C20) King's Pawn Game, 9 moves, 0-1 Royal Fork by 53. Rf8+, but mate comes, not taking the Queen! C H Alexander vs B H Wood, 1957 (C02) French, Advance, 55 moves, 1-0 After 11...Kd6, leave the Queen w/o 12. Bxd8 and do 12. Qxd5#! Koltanowski vs Day, 1960  (C50) Giuoco Piano, 12 moves, 1-0 After 14. Qxg2, do not re-take by Nxg2, but Ne2# is better! H Bohm vs R Hernandez Onna, 1979  (C69) Ruy Lopez, Exchange, Gligoric Variation, 12 moves, 0-1 Continuation: 19. Nxa4 Bc2+ 20. Kd2 Bf4# and not 19. ... Nc2. F Berend vs S Coffey, 1982  (C01) French, Exchange, 18 moves, 0-1 Just before the Houdini 6 M13 ply for mate, leave the b3 Pawn! M Umansky vs M Blokh, 1983  (A72) Benoni, Classical without 9.O-O, 38 moves, 1-0 After 23...Qxc4, leave it En Prise-- go for mate! Suba vs Ibanez, 1993  (A30) English, Symmetrical, 23 moves, 1-0 After 34...Qf7, do not capture the Bishop! 35. Qxf7# is better! Huynh Mai Phuong Dung vs T Nguyen, 2005  (B95) Sicilian, Najdorf, 6...e6, 34 moves, 1-0 26.Bxh1 Nh2+ 27.Ke1 Rg1# is better than 27. ... Nxf3. G Milos vs P Carlsson, 2012  (D17) Queen's Gambit Declined Slav, 25 moves, 0-1 Mate by Three Knights is made w/o taking the last Black Pawn! A Granovskiy vs U Grochocinska, 2013  (B06) Robatsch, 77 moves, 1-0 After 39. cxd6 Rxc7, not dxc7, but 40. e5#. M Mosadeghpour vs V Sanal, 2015  (A00) Uncommon Opening, 40 moves, 1-0 After 70. g8=Q, not 70. ... RxQ, but Rh3# is far better! I Miladinovic vs M Admiraal, 2017 (D00) Queen's Pawn Game, 70 moves, 0-1 13 games