41. Rxc8! forces Zugzwang in eight moves, after 47. Kh2 B Thelen vs F Treybal, 1927  (D63) Queen's Gambit Declined, Orthodox Defense, 49 moves, 1-0 30. b4! Bagirov vs K Grigorian, 1976  (A01) Nimzovich-Larsen Attack, 30 moves, 1-0 55. Kh6! D Kosic vs T Christensen, 2005  (D30) Queen's Gambit Declined, 55 moves, 1-0 41. b4! Anand vs Van Wely, 1997  (B08) Pirc, Classical, 41 moves, 1-0 25. h6! Saemisch vs Nimzowitsch, 1923   (E18) Queen's Indian, Old Main line, 7.Nc3, 25 moves, 0-1 45. Bc5! K Spraggett vs G Glen, 1975  (C02) French, Advance, 45 moves, 1-0 34. Rg8! Steinitz vs Lasker, 1896  (C54) Giuoco Piano, 39 moves, 0-1 39...h6! is zugzwang per Capablanca Lasker vs Capablanca, 1936  (B58) Sicilian, 54 moves, 0-1 26...c4! J Kaplan vs Bronstein, 1975  (C11) French, 26 moves, 0-1 33. Qf3! L Ogaard vs E Torre, 1976  (A43) Old Benoni, 33 moves, 0-1 50...Nc5! V Rauzer vs F Bohatirchuk, 1934  (C75) Ruy Lopez, Modern Steinitz Defense, 55 moves, 0-1 45...Rc1! Nimzowitsch vs Capablanca, 1927   (B12) Caro-Kann Defense, 46 moves, 0-1 42...Be3! T H Tylor vs Lasker, 1936  (C49) Four Knights, 45 moves, 0-1 44. Bg3!! per Chessbase link in Jul 1, 2005 post above Botvinnik vs Bronstein, 1951  (E60) King's Indian Defense, 57 moves, 1-0 34...g4! sets up a zugzwang to trap tjhe Queen B Harper vs R Zuk, 1971  (E97) King's Indian, 39 moves, 0-1 60...Qe4+ 61. Rf3 Bf2! puts White's Queen in Zugzwang Radjabov vs Topalov, 2003  (E10) Queen's Pawn Game, 61 moves, 0-1 58. a4! traps the Rook after pawn moves are exhausted Tal vs S Saeed, 1985  (D51) Queen's Gambit Declined, 58 moves, 1-0 96...Kd5! forces the White Rook off the a3 square Karpov vs G Needleman, 2005  (E62) King's Indian, Fianchetto, 96 moves, 0-1 22. Rac1! soon leaves Black running out of moves Alekhine vs Nimzowitsch, 1930  (C17) French, Winawer, Advance, 30 moves, 1-0 36. g5+! A Kornev vs P H Nielsen, 2005  (C48) Four Knights, 36 moves, 1-0 42. Re5! L Day vs J Yoos, 1996  (B23) Sicilian, Closed, 55 moves, 1-0 38. e6! punishes 37...Be8?? Aronian vs Svidler, 2006  (D80) Grunfeld, 38 moves, 1-0 64...Bd4! Reshevsky vs Bronstein, 1953  (E68) King's Indian, Fianchetto, Classical Variation, 8.e4, 65 moves, 0-1 31...exf3!! Najdorf vs Mecking, 1978   (A15) English, 43 moves, 1/2-1/2 63. Rd5! and any Black move worsens his position Capablanca vs Kostic, 1919  (C42) Petrov Defense, 86 moves, 1-0 54. Re7!! sets up a pin and then zugs Black out of useful moves Speelman vs Sax, 1988  (A35) English, Symmetrical, 62 moves, 1-0 72...Kg4! Portisch vs Westerinen, 1963  (A43) Old Benoni, 74 moves, 1/2-1/2 60. a7! Larsen vs Miles, 1979  (A00) Uncommon Opening, 60 moves, 1-0 68. b8=Q! leads to a winning zugzwang position R Calvo vs D Byrne, 1968  (A07) King's Indian Attack, 70 moves, 1-0 42. Be8+! Kxe8 43. Kxe6 Be7 44. c4! +- Bolbochan vs J Martinez, 1946  (C10) French, 44 moves, 1-0 62.Rb3 Kh6 63.Rb7 Rh8 64.Kg4 Rg8+ 65.Kh4 Rh8 66.Ra2 K Klaman vs Kholmov, 1949  (B12) Caro-Kann Defense, 89 moves, 1/2-1/2 134...Rc7! forces Zugzwang position S Baldazzi vs A Holmsten, 2001  (A16) English, 137 moves, 0-1 32 games