25. Bxg7! Nxg7 26. Nf6+ Kh8 27. Qe4! Qxc2 = M Czerniak vs K Langeweg, 1966  (B45) Sicilian, Taimanov, 29 moves, 1/2-1/2 17...Ne3+!! solves a Sunday puzzle A Day vs J R Jackson, 1974  (B07) Pirc, 23 moves, 1/2-1/2 29...Bxb3! swindles draw after 28...Ne8?! 29. Qa6? (29. Qa3!) Giri vs Carlsen, 2013  (D70) Neo-Grunfeld Defense, 36 moves, 1/2-1/2 3 games