13... c4 B Gurgenidze vs Spassky, 1958  (A07) King's Indian Attack, 82 moves, 1-0 16... c4 S Kindermann vs O Reeh, 2006 (A07) King's Indian Attack, 59 moves, 1-0 10... c4 J Augustin vs Smejkal, 1967 (A07) King's Indian Attack, 40 moves, 1-0 9...c4 Reti vs K Treybal, 1923  (A14) English, 29 moves, 1/2-1/2 6...c4 Wei Yi vs E Safarli, 2019 (A15) English, 86 moves, 1-0 9...c4 Tomashevsky vs Aronian, 2018 (A18) English, Mikenas-Carls, 31 moves, 1/2-1/2 11... I Brener vs G Fish, 2008 (A30) English, Symmetrical, 47 moves, 1-0 15...c4 (NimzoDef/Gurgenidze) Psakhis vs G Danner, 1991 (A40) Queen's Pawn Game, 51 moves, 1-0 6... c4 A Anokhin vs Bronstein, 1963  (A45) Queen's Pawn Game, 37 moves, 0-1 9... c4 D Andreikin vs Dominguez Perez, 2014  (A45) Queen's Pawn Game, 56 moves, 1-0 13...c4 in the London System Kamsky vs Karjakin, 2013 (A46) Queen's Pawn Game, 52 moves, 1/2-1/2 12... c4 J Enevoldsen vs A Nimzowitsch, 1933  (A46) Queen's Pawn Game, 40 moves, 1-0 17...c4! closing the center/q~side Spassky vs Petrosian, 1966  (A46) Queen's Pawn Game, 43 moves, 0-1 13... c4 A Ufimtsev vs A Chistiakov, 1945 (A46) Queen's Pawn Game, 58 moves, 1/2-1/2 E Grivas vs Blatny, 1989 (A46) Queen's Pawn Game, 43 moves, 1-0 11... c4 Yates vs Capablanca, 1925  (B02) Alekhine's Defense, 38 moves, 0-1 12... c4 Nepomniachtchi vs Brunello, 2014 (B12) Caro-Kann Defense, 30 moves, 1-0 11... c4 (The Caro-Kan Syndromic System) Nunn vs Seirawan, 1983  (B12) Caro-Kann Defense, 39 moves, 0-1 12... c4 (The Caro-Kan Syndromic System) Timman vs Seirawan, 1990  (B12) Caro-Kann Defense, 34 moves, 1-0 12... c4 Morozevich vs Bologan, 2004  (B12) Caro-Kann Defense, 28 moves, 1-0 9...c4 J van Foreest vs A Liang, 2017  (B12) Caro-Kann Defense, 22 moves, 1-0 15...c4 R Praggnanandhaa vs V Pranavananda, 2014  (B15) Caro-Kann, 40 moves, 1-0 6...c4 Karpov vs J Polgar, 1994  (B22) Sicilian, Alapin, 33 moves, 1-0 9...c4 N Padevsky vs Fischer, 1962  (B23) Sicilian, Closed, 20 moves, 1/2-1/2 6...c4 R Kotka vs E Dekeyser, 1973  (B23) Sicilian, Closed, 35 moves, 1-0 5...c4 Caruana vs E Tate, 2003  (B40) Sicilian, 21 moves, 0-1 12...c4 (Vienna Gambit) Tartakower vs E M Holloway, 1929 (C29) Vienna Gambit, 38 moves, 1-0 12... c4 Fleischhauer vs O Valentiner, 1913  (C29) Vienna Gambit, 23 moves, 1-0 13... c4 A Mallahi vs A Al-Bahadly, 2001  (C29) Vienna Gambit, 34 moves, 1-0 10... c4 N Krogius vs O Chernikov, 1970  (C43) Petrov, Modern Attack, 31 moves, 1-0 12... c4 mit Auflösung Rubinstein vs F Duz-Khotimirsky, 1907  (D00) Queen's Pawn Game, 47 moves, 1-0 11... c4 Carlsen vs Giri, 2016  (D00) Queen's Pawn Game, 45 moves, 1-0 6...c4 London System Syndrome Rubinstein vs L Loewy Sr, 1905  (D02) Queen's Pawn Game, 48 moves, 1-0 6... c4 - Stockholm vs LS R Appel vs S Brynell, 1999 (D02) Queen's Pawn Game, 24 moves, 1/2-1/2 8... c4 B Kholmirzaev vs Abdusattorov, 2014 (D02) Queen's Pawn Game, 52 moves, 1-0 9... c4 R Pabalan vs E Villa Armenta, 2014 (D02) Queen's Pawn Game, 24 moves, 1-0 13...c4 Grischuk vs Nakamura, 2015 (D02) Queen's Pawn Game, 40 moves, 1/2-1/2 8... c4 (LS) I Abonyi vs J Engler, 1908  (D02) Queen's Pawn Game, 27 moves, 1-0 5...c4 Hosea / Schiller / Wall vs Aylerkupp / Rybka, 2011  (D02) Queen's Pawn Game, 52 moves, 0-1 13...c4 Keene vs Andersson, 1972 (D05) Queen's Pawn Game, 32 moves, 1/2-1/2 9...c4 D Przepiorka vs A Nimzowitsch, 1930  (D05) Queen's Pawn Game, 72 moves, 1-0 13...c4 R Svane vs I Schneider, 2013  (D10) Queen's Gambit Declined Slav, 32 moves, 1/2-1/2 12... c4 Stein vs A Zamikhovsky, 1959 (D31) Queen's Gambit Declined, 50 moves, 1-0 6... c4 Botvinnik vs Stahlberg, 1935  (D32) Queen's Gambit Declined, Tarrasch, 35 moves, 1-0 7...c4 V Kunin vs M Meinhardt, 2017 (D32) Queen's Gambit Declined, Tarrasch, 43 moves, 1/2-1/2 7...c4 G Borisenko vs Furman, 1955 (D32) Queen's Gambit Declined, Tarrasch, 48 moves, 1/2-1/2 8...c4 Rubinstein vs F Duz-Khotimirsky, 1909  (D32) Queen's Gambit Declined, Tarrasch, 29 moves, 0-1 6... c4 - Nternational premiere Rubinstein vs J Perlis, 1909   (D33) Queen's Gambit Declined, Tarrasch, 38 moves, 1/2-1/2 6... c4 B Rabar vs G Stoltz, 1941  (D33) Queen's Gambit Declined, Tarrasch, 57 moves, 0-1 6...c4 V Dinstuhl vs F Unzicker, 2013  (D33) Queen's Gambit Declined, Tarrasch, 34 moves, 1-0 6...c4 7.Bg2 Bb4 8.0-0 Nge7 9.e4 Bxc3 10.bxc3 0-0 11.Ng5 D Reinderman vs V Akobian, 2010  (D33) Queen's Gambit Declined, Tarrasch, 39 moves, 1-0 6...c4 7.Bg2 Bb4 8.0-0 Nge7 9.e4 dxe4 10.Nxe4 0-0 11.Qc2 Reshevsky vs Stahlberg, 1953  (D33) Queen's Gambit Declined, Tarrasch, 41 moves, 1-0 Z Sturua vs Lputian, 1994 (D33) Queen's Gambit Declined, Tarrasch, 39 moves, 1/2-1/2 A Zaitsev vs V Mikenas, 1962 (D33) Queen's Gambit Declined, Tarrasch, 29 moves, 1/2-1/2 Tolush vs Kholmov, 1956 (D33) Queen's Gambit Declined, Tarrasch, 30 moves, 1/2-1/2 12...c4 Rubinstein vs J Mieses, 1909  (D33) Queen's Gambit Declined, Tarrasch, 24 moves, 0-1 6...c4 Tolush vs G Stoltz, 1953  (D33) Queen's Gambit Declined, Tarrasch, 42 moves, 1-0 7...c4 Petrosian vs N Sorokin, 1944  (D33) Queen's Gambit Declined, Tarrasch, 23 moves, 1-0 Adorjan vs J Tisdall, 1981  (D33) Queen's Gambit Declined, Tarrasch, 23 moves, 1-0 9...c4 Nyback vs A Berelowitsch, 2013  (D34) Queen's Gambit Declined, Tarrasch, 72 moves, 1-0 8...c4 Korchnoi vs Carlsen, 2004  (D34) Queen's Gambit Declined, Tarrasch, 40 moves, 1-0 9... c4 Polugaevsky vs H Pfleger, 1978  (D34) Queen's Gambit Declined, Tarrasch, 36 moves, 0-1 9... c4 Kasparov vs G Hjorth, 1980  (D34) Queen's Gambit Declined, Tarrasch, 27 moves, 1-0 9... c4 Bacrot vs Grischuk, 2002  (D34) Queen's Gambit Declined, Tarrasch, 35 moves, 0-1 9...c4 F Vallejo Pons vs J Krassowizkij, 2015 (D34) Queen's Gambit Declined, Tarrasch, 32 moves, 1/2-1/2 10....c4 G Barbero vs L Espig, 1987  (D34) Queen's Gambit Declined, Tarrasch, 29 moves, 1-0 9...c4 B Larsen vs Kasparov, 1987  (D34) Queen's Gambit Declined, Tarrasch, 43 moves, 0-1 9...c4 Taimanov vs Spassky, 1971  (D34) Queen's Gambit Declined, Tarrasch, 40 moves, 0-1 9...c4 S Bjarnason vs E Schiller, 1986  (D34) Queen's Gambit Declined, Tarrasch, 52 moves, 0-1 9...c4 Polugaevsky vs H Pfleger, 1975 (D34) Queen's Gambit Declined, Tarrasch, 30 moves, 0-1 9...c4 G Kjartansson vs L Ibarra Chami, 2007 (D35) Queen's Gambit Declined, 47 moves, 0-1 11... c4 Korchnoi vs Petrosian, 1980  (D37) Queen's Gambit Declined, 46 moves, 1-0 9... c4 Kramnik vs Mamedyarov, 2014  (D38) Queen's Gambit Declined, Ragozin Variation, 54 moves, 1-0 8... c4 Onischuk vs Lenderman, 2014  (D38) Queen's Gambit Declined, Ragozin Variation, 39 moves, 0-1 9... c4 F Olafsson vs Fischer, 1958  (D38) Queen's Gambit Declined, Ragozin Variation, 44 moves, 1-0 7... c4 F Vallejo Pons vs P Roy, 2015  (D40) Queen's Gambit Declined, Semi-Tarrasch, 28 moves, 1-0 c417.Bf5Bxf518.Qxf5Bb4 Lilienthal vs Botvinnik, 1945  (D43) Queen's Gambit Declined Semi-Slav, 37 moves, 0-1 11... c4 Taimanov vs Botvinnik, 1953  (D45) Queen's Gambit Declined Semi-Slav, 51 moves, 0-1 9... c4 Stockfish vs Komodo, 2014  (D51) Queen's Gambit Declined, 79 moves, 1-0 9...c4 Reshevsky vs Capablanca, 1935  (D51) Queen's Gambit Declined, 56 moves, 1-0 13... c4 Alekhine vs Tartakower, 1933  (D58) Queen's Gambit Declined, Tartakower (Makagonov-Bondarevsky) Syst, 74 moves, 0-1 Z Schleining vs N Pogonina, 2014  (D58) Queen's Gambit Declined, Tartakower (Makagonov-Bondarevsky) Syst, 43 moves, 1-0 12... c4 Polugaevsky vs A Khasin, 1956  (D35) Queen's Gambit Declined, 47 moves, 1-0 8... c4 K Darga vs Portisch, 1964  (D32) Queen's Gambit Declined, Tarrasch, 35 moves, 1-0 25...c4 Karpov vs Balashov, 1980  (E12) Queen's Indian, 85 moves, 0-1 13... c4 O A Grigoryeva vs A Donskov, 2013 (E20) Nimzo-Indian, 38 moves, 1-0 20...c4 Gheorghiu vs Fischer, 1966  (E20) Nimzo-Indian, 50 moves, 1-0 14... c4 Szabo vs B Wexler, 1960  (E20) Nimzo-Indian, 31 moves, 1-0 13...c4 M Stolberg vs A Nogovitsyn, 1938 (E20) Nimzo-Indian, 34 moves, 1-0 8... c4 - breaking the rules Anand vs Carlsen, 2013  (E25) Nimzo-Indian, Samisch, 28 moves, 0-1 14... c4 Bondarevsky vs M Ujtelky, 1961  (E25) Nimzo-Indian, Samisch, 30 moves, 1-0 R Gardner vs Shabalov, 2012 (E25) Nimzo-Indian, Samisch, 37 moves, 0-1 A Jedinger vs W Tseng, 2010 (E25) Nimzo-Indian, Samisch, 22 moves, 0-1 A Ipatov vs Debashis Das, 2013  (E25) Nimzo-Indian, Samisch, 29 moves, 1-0 8...c4 V S Gujrathi vs Kramnik, 2019  (E25) Nimzo-Indian, Samisch, 29 moves, 1-0 14... c4 Kasparov vs B Ivanovic, 1983  (E26) Nimzo-Indian, Samisch, 26 moves, 1-0 13... c4 S Djukic vs Z Cibickova, 2004 (E30) Nimzo-Indian, Leningrad, 29 moves, 1-0 12... c4 B Larsen vs R Garbarino, 1993  (E30) Nimzo-Indian, Leningrad, 30 moves, 1-0 7... c4 H Berliner vs A Bisguier, 1960  (E30) Nimzo-Indian, Leningrad, 27 moves, 1-0 9... c4 L Schandorff vs Nisipeanu, 2015 (E32) Nimzo-Indian, Classical, 21 moves, 1/2-1/2 11... c4 Veresov vs Botvinnik, 1944  (E34) Nimzo-Indian, Classical, Noa Variation, 45 moves, 0-1 11... c4 Reti vs A Nimzowitsch, 1928  (E38) Nimzo-Indian, Classical, 4...c5, 57 moves, 0-1 15... c4 L E Johannessen vs Leko, 2013 (E52) Nimzo-Indian, 4.e3, Main line with ...b6, 25 moves, 1/2-1/2 15...c4 Topalov vs Ponomariov, 2013  (E52) Nimzo-Indian, 4.e3, Main line with ...b6, 72 moves, 1/2-1/2 10... c4 Portisch vs R Sanguineti, 1976  (E53) Nimzo-Indian, 4.e3, 36 moves, 0-1 10... c4 K Dragun vs F Vallejo Pons, 2015  (E53) Nimzo-Indian, 4.e3, 59 moves, 1-0 10... c4 Van der Sterren vs J Piket, 1994  (E53) Nimzo-Indian, 4.e3, 86 moves, 1/2-1/2 11... c4 Gligoric vs Keres, 1959  (E53) Nimzo-Indian, 4.e3, 41 moves, 0-1 11...c4 Smyslov vs Petrosian, 1953  (E58) Nimzo-Indian, 4.e3, Main line with 8...Bxc3, 48 moves, 1/2-1/2 11...c4 Najdorf vs B Wexler, 1954  (E58) Nimzo-Indian, 4.e3, Main line with 8...Bxc3, 49 moves, 1-0 11...c4 Najdorf vs Reshevsky, 1953 (E58) Nimzo-Indian, 4.e3, Main line with 8...Bxc3, 26 moves, 1/2-1/2 11...c4 Najdorf vs Reshevsky, 1953  (E58) Nimzo-Indian, 4.e3, Main line with 8...Bxc3, 91 moves, 1-0 11...c4 Reshevsky vs Petrosian, 1953  (E58) Nimzo-Indian, 4.e3, Main line with 8...Bxc3, 41 moves, 1/2-1/2 11...c4 Gligoric vs Korchnoi, 1968  (E58) Nimzo-Indian, 4.e3, Main line with 8...Bxc3, 39 moves, 0-1 11...c4 Pillsbury vs Tarrasch, 1895  (D63) Queen's Gambit Declined, Orthodox Defense, 52 moves, 1-0 8_c4 Tolush vs R Teschner, 1954 (D40) Queen's Gambit Declined, Semi-Tarrasch, 31 moves, 1-0 7...c4 L'Ami vs F Vallejo Pons, 2019 (D31) Queen's Gambit Declined, 56 moves, 0-1 9...c4 V S Gujrathi vs Wei Yi, 2019 (D34) Queen's Gambit Declined, Tarrasch, 34 moves, 1/2-1/2 9...c4 Keymer vs R Edouard, 2020 (D34) Queen's Gambit Declined, Tarrasch, 36 moves, 1/2-1/2 9...c4 Avrukh vs A Tzermiadianos, 2003 (D34) Queen's Gambit Declined, Tarrasch, 27 moves, 1-0 11...c4 Y Stepak vs N Spiridonov, 1966  (B10) Caro-Kann, 39 moves, 1-0 121 games