21.? (Wednesday, April 2) Marshall vs Pillsbury, 1904  (B09) Pirc, Austrian Attack, 23 moves, 1-0 29 ? (Sunday, April 27) T Espig vs L Zinn, 1973  (B06) Robatsch, 42 moves, 1-0 25.? (Tuesday, April 29) D Mason vs L Ball, 2013  (B07) Pirc, 27 moves, 1-0 30.? (Monday, July 21) J Banas vs A Ornstein, 1974  (B07) Pirc, 30 moves, 1-0 17.? (Saturday, October 4) P Tregubov vs Degraeve, 2004  (A40) Queen's Pawn Game, 23 moves, 1-0 42...? (Wednesday, October 15) Short vs Nunn, 1980  (B06) Robatsch, 42 moves, 0-1 5.? (Monday, November 3) A Elwin vs R Hughes, 2014  (A40) Queen's Pawn Game, 32 moves, 1-0 24...? (Wednesday, November 26) G Thallinger vs M Schlosser, 1995  (B06) Robatsch, 25 moves, 0-1 29.? (Thursday, December 25) P Horvath vs T Stoll, 2004  (A40) Queen's Pawn Game, 33 moves, 1-0 44...? (Tuesday, January 6) B Thorfinnsson vs I Rogers, 2005  (A40) Queen's Pawn Game, 45 moves, 0-1 15.? (Thursday, March 5) A Kislinsky vs A Zakharchenko, 2005  (B07) Pirc, 18 moves, 1-0 28.? (Monday, May 11) G Kjartansson vs J Rety, 2005  (B07) Pirc, 28 moves, 1-0 31.? (Thursday, July 2) B Bok vs M Bluvshtein, 2011  (B07) Pirc, 34 moves, 1-0 22.? (Monday, July 6) T Cagasik vs J Brooke, 2007  (B07) Pirc, 23 moves, 1-0 23...? (Monday, July 13) M Milosavljevic vs M Rakic, 2007  (B07) Pirc, 23 moves, 0-1 39...? (Monday, November 16) O Aharon vs Z Rahman, 2014  (B06) Robatsch, 40 moves, 0-1 15.? (Saturday, November 28) Ju Wenjun vs A Stefanova, 2014  (A42) Modern Defense, Averbakh System, 28 moves, 1-0 29...? (THursday, December 24) J Mehringer vs B Muschik, 2014  (B06) Robatsch, 31 moves, 0-1 53...? (Tuesday, December 29) F Osmanodja vs H M Klek, 2014  (B00) Uncommon King's Pawn Opening, 61 moves, 0-1 16.? (Thursday, February 18) I Nicolas Zapata vs G Hermes, 2014  (B07) Pirc, 19 moves, 1-0 33.? (Thursday, February 25) R Zelcic vs O Jovanic, 2000  (B06) Robatsch, 46 moves, 1-0 13...? (Wednesday, March 23) Dorfman vs Romanishin, 1977  (B06) Robatsch, 13 moves, 0-1 31.? (Friday, May 20) Saidy vs Suttles, 1966  (A41) Queen's Pawn Game (with ...d6), 48 moves, 1-0 28...? (Tuesday, May 31) B Hammar vs E Jonsson, 2014  (B09) Pirc, Austrian Attack, 31 moves, 0-1 11.? (Wednesday, July 20) Timoshenko vs R Verdes Nadal, 2006  (B06) Robatsch, 12 moves, 1-0 22.? (Friday, August 19) F Rakotomaharo vs A L'Ami, 2015  (B07) Pirc, 41 moves, 1-0 16.? (Sunday, October 16) Dominguez Perez vs Ivanchuk, 2006  (B06) Robatsch, 69 moves, 1-0 18.? (Friday, November 18) Hebden vs F Felecan, 1993  (B08) Pirc, Classical, 21 moves, 1-0 29...? (Wednesday, March 1) Korotylev vs Mamedyarov, 2007  (B06) Robatsch, 30 moves, 0-1 15.? (Saturday,, March 11) N Mohota vs S Swaminathan, 2011  (A04) Reti Opening, 19 moves, 1-0 23.? (Saturday, June 3) Kupreichik vs C Morrison, 2003  (B07) Pirc, 31 moves, 1-0 34.? (Tiesdau. August 1_ Anand vs J Hickman, 2007  (B07) Pirc, 35 moves, 1-0 34...? (Friday, August 4) Filip vs Petrosian, 1965  (A40) Queen's Pawn Game, 40 moves, 0-1 23.? (Tuesday August 15) Oral vs S Brodbeck, 1997  (B07) Pirc, 24 moves, 1-0 34. ..? (Tuesday, August 29) E van den Doel vs Nijboer, 1997  (B06) Robatsch, 34 moves, 0-1 25...? (Thursday, September 14) Tal vs F Olafsson, 1975  (B06) Robatsch, 25 moves, 0-1 10.? (Friday, October 20) Wojtaszek vs Ivanchuk, 2016  (A41) Queen's Pawn Game (with ...d6), 26 moves, 1-0 31.? (Tuesday, October 31) Tan Zhongyi vs Huang Qian, 2016  (A41) Queen's Pawn Game (with ...d6), 31 moves, 1-0 30.? (Monday, December 11) Polgar vs P Kerkhof, 1987  (B09) Pirc, Austrian Attack, 31 moves, 1-0 20.? (Wednesday, April 11) So vs M Mahjoob, 2007  (B09) Pirc, Austrian Attack, 20 moves, 1-0 23.? (Sunday, April 22) I Rogers vs V Arapovic, 1985   (A40) Queen's Pawn Game, 28 moves, 1-0 39...? (Thursday, July 5) Guanchu Liu vs Li Chao, 2011  (B07) Pirc, 39 moves, 0-1 21.? (Tuesday, July 24) M Tomczak vs B Esen, 2017  (A42) Modern Defense, Averbakh System, 25 moves, 1-0 17.? (Friday, September 7) R M McKay vs Hort, 1982  (B08) Pirc, Classical, 46 moves, 1-0 44.? (Friday, October 12) Geller vs H Liebert, 1970  (B07) Pirc, 47 moves, 1-0 33...? (Tuesday, November 27) M Baldauf vs D Andreikin, 2016  (A42) Modern Defense, Averbakh System, 34 moves, 0-1 29.? (Monday, December 10) Tal vs Segal, 1952  (B07) Pirc, 30 moves, 1-0 28.? (Friday, December 28) M Mihaljcisin vs Benko, 1970  (B06) Robatsch, 31 moves, 1-0 36.? (Sunday, December 30) T Gelashvili vs T Khmiadashvili, 2001  (B06) Robatsch, 57 moves, 1-0 35.? (Monday, December 31) Koneru vs N Resika, 2001  (A40) Queen's Pawn Game, 35 moves, 1-0 17.? (Tuesday, January 8) K Mekhitarian vs Arencibia Rodriguez, 2005  (B07) Pirc, 17 moves, 1-0 43.? ()Thursday, January 17) Seirawan vs J Nogueiras, 1987  (A42) Modern Defense, Averbakh System, 52 moves, 1-0 18? (Wednesday, March 27) K Varberg vs N G Larsen, 2009  (B06) Robatsch, 19 moves, 1-0 26...? (Saturday, March 30) H Ardiansyah vs Larsen, 1970  (B06) Robatsch, 41 moves, 0-1 25.? (Saturday, June 22) Efimov vs H Mas, 2000  (B06) Robatsch, 31 moves, 1-0 29.? (Sunday, October 13) L Christiansen vs Seirawan, 1978  (B08) Pirc, Classical, 42 moves, 1-0 18...? (Sunday, November 3) I Miladinovic vs A Istratescu, 1996  (B06) Robatsch, 40 moves, 0-1 24.? (Saturday, November 16) Alburt vs D E Vigorito, 1993  (A40) Queen's Pawn Game, 28 moves, 1-0 11...? (Friday, January 31) Predojevic vs D Andreikin, 2016  (B06) Robatsch, 36 moves, 0-1 18.? (Saturday, August 1) T L Petrosian vs G Halvax, 2018  (B09) Pirc, Austrian Attack, 25 moves, 1-0 24...? (Friday, September 4) M Levin vs Savon, 1959  (B06) Robatsch, 39 moves, 0-1 25.? (Sunday, October 25) F Corrales Jimenez vs T Vandenbussche, 2010  (B06) Robatsch, 36 moves, 1-0 11.? (Friday, December 4) M Kravtsiv vs Y Vovk, 2004  (B06) Robatsch, 25 moves, 1-0 48 ...? (Sunday, April 4) J Emms vs Ftacnik, 2000  (B08) Pirc, Classical, 64 moves, 1/2-1/2 27...? (Wednesday, May 5) S Busygin vs R Burnett, 2014  (A42) Modern Defense, Averbakh System, 31 moves, 0-1 30.? (Tuesday, May 25) M Yilmaz vs B Erbis, 2011  (B07) Pirc, 31 moves, 1-0 39.? (Tuesday, June 1) Yusupov vs Gavrikov, 1982  (A42) Modern Defense, Averbakh System, 42 moves, 1-0 33.? (Monday, June 7) Khalifman vs V Popov, 1997  (B06) Robatsch, 33 moves, 1-0 20.? (Wednesday, June 9) M Yilmazyerli vs B Erbis, 2011  (B07) Pirc, 22 moves, 1-0 29.? (Tuesday, July 20) Myagmarsuren vs M Cuellar Gacharna, 1967  (B06) Robatsch, 37 moves, 1-0 30...? (Saturday, November 13) Minic vs T Rakic, 1969  (A42) Modern Defense, Averbakh System, 36 moves, 0-1 36..? (Tuesday, November 23) H Munoz Sotomayor vs R Gonzalez, 1998  (A42) Modern Defense, Averbakh System, 38 moves, 0-1 32...? (Friday, December 17) Savon vs Gurgenidze, 1971  (B06) Robatsch, 38 moves, 0-1 12.? (Monday, December 27) Lachex vs J Nogueiras, 1990  (B06) Robatsch, 12 moves, 1-0 74 games