Chess Archaeology HomeChess is a scientific game and its literature ought to be placed on the basis of the strictest truthfulness, which is the foundation of all scientific research.W. Steinitz

 D30-D69 

D30
1.d4 d5 2.c4 e6 Queen's Gambit Declined:
3.Nf3 Nf6 4.e3 c6 5.Nbd2 Queen's Gambit Declined: Semmering
3.Nf3 Nf6 4.e3 c6 5.Nbd2 g6 Queen's Gambit Declined: Semmering (Spielmann)
3.Nf3 Nf6 4.e3 c6 5.Nbd2 Ne4 6.Bd3 f5 Queen's Gambit Declined: Semmering (Stonewall)
3.Nf3 Nf6 4.e3 c6 5.Nbd2 Nbd7 6.Bd3 Queen's Gambit Declined: Semmering (Breyer)
3.Nf3 Nf6 4.Bg5 Queen's Gambit Declined: Vienna
3.Nf3 Nf6 4.Bg5 h6 Queen's Gambit Declined: Vienna (Duras)
3.Nf3 Nf6 4.Bg5 Nbd7 5.e3 c6 6.Nbd2 Queen's Gambit Declined: Vienna (Capablanca)
D31
1.d4 d5 2.c4 e6 3.Nc3 Queen's Gambit Declined:
3Be7 Queen's Gambit Declined: Charousek
3b6 Queen's Gambit Declined: Alapin
3a6 Queen's Gambit Declined: Janowski
3c6 Old Semi-Slav:
3c6 4.e4 Old Semi-Slav: Marshall
3c6 4.e4 dxe4 5.Nxe4 Bb4+ 6.Bd2 Qxd4 7.Bxb4 Qxe4+ Old Semi-Slav: Marshall (Slav Gambit)
3c6 4.Nf3 dxc4 Old Semi-Slav: Noteboom
3c6 4.Nf3 dxc4 5.a4 Bb4 6.e3 b5 Old Semi-Slav: Noteboom (Abrahams)
3c6 4.Nf3 dxc4 5.a4 Bb4 6.e3 b5 7.Bd2 Qb6 Old Semi-Slav: Noteboom (Junge)
3c6 4.Nf3 dxc4 5.a4 Bb4 6.e3 b5 7.Bd2 Qe7 Old Semi-Slav: Noteboom (Koomen)
D32
1.d4 d5 2.c4 e6 3.Nc3 c5 Tarrasch:
4.cxd5 cxd4 Tarrasch: Schara
4.cxd5 cxd4 5.Qxd4 Nc6 6.Qd1 exd5 7.Qxd5 Be6 Tarrasch: Schara (von Hennig)
4.cxd5 exd5 5.e4 Tarrasch: Marshall
4.cxd5 exd5 5.dxc5 d4 6.Na4 b5 Tarrasch: Tarrasch Gambit
D33
1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.g3 Tarrasch: Schlechter
6c4 Tarrasch: Schlechter (Folkstone)
6c4 7.e4 Tarrasch: Schlechter (Rey Ardid)
6Nf6 Tarrasch: Schlechter (Prague)
6Nf6 7.Bg2 Bg4 Tarrasch: Schlechter (Wagner)
D34
1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.g3 Nf6 7.Bg2 Be7 Tarrasch: Rubinstein
8.0-0 0-0 9.dxc5 Bxc5 10.Na4 Tarrasch: Rubinstein (Réti)
8.0-0 0-0 9.Bg5 c4 Tarrasch: Rubinstein (Advance)
8.0-0 0-0 9.Bg5 Be6 10.Rc1 c4 Tarrasch: Rubinstein (Bogolubov)
8.0-0 0-0 9.Bg5 Be6 10.Rc1 b6 Tarrasch: Rubinstein (Stoltz)
8.0-0 0-0 9.Bg5 cxc4 10.Nxd4 Re8 Tarrasch: Rubinstein (Petursson)
D35
1.d4 d5 2.c4 e6 3.Nc3 Nf6 Queen's Gambit Declined:
4.Bf4 Queen's Gambit Declined: Harrwitz
4.cxd5 Queen's Gambit Declined: Exchange
4.cxd5 exd5 5.Nf3 Nbd7 6.Bf4 Queen's Gambit Declined: Exchange (Sämisch)
4.cxd5 exd5 5.Bg5 Be7 6.e3 0-0 7.Bd3 Nbd7 8.Qc2 Re8 9.Nge2 Nf8 10.0-0-0 Queen's Gambit Declined: Exchange (Chameleon)
D36
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.cxd5 exd5 5.Bg5 c6 6.Qc2 Queen's Gambit Declined: Exchange
D37
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 Queen's Gambit Declined:
4Nbd7 5.cxd5 Queen's Gambit Declined: Exchange Deferred
4Be7 5.Bf4 Queen's Gambit Declined: Classical
4Be7 5.Bf4 0-0 6.e3 c5 7.dxc5 Bxc5 8.Qc2 Nc6 9.a3 Qa5 10.Rd1 Queen's Gambit Declined: Classical (Old)
4Be7 5.Bf4 0-0 6.e3 c5 7.dxc5 Bxc5 8.Qc2 Nc6 9.a3 Qa5 10.0-0-0 Queen's Gambit Declined: Classical (New)
4Be7 5.Bf4 0-0 6.e3 b6 Queen's Gambit Declined: Classical (Fianchetto)
4Be7 5.Bf4 0-0 6.e3 c6 Queen's Gambit Declined: Classical (Orthodox)
D38
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 Bb4 Queen's Gambit Declined: Ragozin
5.Bg5 h6 Queen's Gambit Declined: Ragozin (Moscow)
D39
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 Bb4 5.Bg5 dxc4 Queen's Gambit Declined: Ragozin (Vienna)
D40
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 Queen's Gambit Declined: Semi-Tarrasch
5.e3 Nc6 Queen's Gambit Declined: Semi-Tarrasch (Symmetrical)
5.e3 Nc6 6.Bd3 Bd6 7.0-0 0-0 8.Qe2 Qe7 9.dxc5 Bxc5 10.e4 Queen's Gambit Declined: Semi-Tarrasch (Levenfish)
D41
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.cxd5 Queen's Gambit Declined: Semi-Tarrasch
5Nxd5 6.e4 Queen's Gambit Declined: Semi-Tarrasch (Exchange)
5Nxd5 6.e4 Nxc3 7.bxc3 cxd4 8.cxd4 Bb4+ 9.Bb2 Qa5 Queen's Gambit Declined: Semi-Tarrasch (San Sebastián)
5Nxd5 6.e4 Nxc3 7.bxc3 cxd4 8.cxd4 Bb4+ 9.Bb2 Bxd2+ 10.Qxd2 0-0 11.Bb5 Queen's Gambit Declined: Semi-Tarrasch (Kmoch)
D42
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.cxd5 Nxd5 6.e3 Nc6 7.Bd3 Queen's Gambit Declined: Semi-Tarrasch
D43
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 Semi-Slav:
5.Bg5 Semi-Slav: Anti-Meran
5.Bg5 h6 6.Bxf6 Qxf6 7.Qb3 Semi-Slav: Anti-Meran (Hastings)
D44
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.Bg5 dxc4 Semi-Slav: Anti-Meran
6.e4 Semi-Slav: Anti-Meran (Botvinnik)
6.e4 b5 7.e5 h6 8.Bh4 g5 9.exf6 gxh4 10.Ne5 Semi-Slav: Anti-Meran (Ekström)
6.e4 b5 7.e5 h6 8.Bh4 g5 9.Nxg5 Semi-Slav: Anti-Meran (Gambit)
6.e4 b5 7.e5 h6 8.Bh4 g5 9.Nxg5 Nd5 Semi-Slav: Anti-Meran (Alatortsev)
6.e4 b5 7.e5 h6 8.Bh4 g5 9.Nxg5 hxg5 10.Bxg5 Nbd7 11.g3 Semi-Slav: Anti-Meran (Lilienthal)
6.e4 b5 7.e5 h6 8.Bh4 g5 9.Nxg5 hxg5 10.Bxg5 Nbd7 11.Qf3 Semi-Slav: Anti-Meran (Szabó)
D45
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Semi-Slav:
5a6 Semi-Slav: Alekhine
5Nbd7 6.Qc2 Semi-Slav: Stoltz
5Nbd7 6.Ne5 Semi-Slav: Rubinstein
5Nbd7 6.cxd5 Semi-Slav: Exchange
D46
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 Semi-Slav: Meran
6Be7 Semi-Slav: Meran (Bogolubov)
6Bb4 Semi-Slav: Meran (Romih)
6Bd6 Semi-Slav: Meran (Chigorin)
D47
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 dxc4 7.Bxc4 Semi-Slav: Meran
7b5 8.Bd3 b4 Semi-Slav: Meran (Lundin)
7b5 8.Bd3 Bb7 Semi-Slav: Meran (Wade)
D48
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 dxc4 7.Bxc4 b5 8.Bd3 a6 Semi-Slav: Meran
9.e4 b4 Semi-Slav: Meran (Pirc)
9.e4 c5 10.d5 Semi-Slav: Meran (Reynolds)
9.e4 c5 10.e5 Semi-Slav: Meran (Classical)
D49
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 dxc4 7.Bxc4 b5 8.Bd3 a6 9.e4 c5 10.e5 cxd4 11.Nxb5 Semi-Slav: Blumenfeld
11Ng4 Semi-Slav: Blumenfeld (Rabinovich)
11Nxe5 Semi-Slav: Blumenfeld (Sozin)
11Nxe5 12.Nxe5 axb5 13.0-0 Qd5 14.Qe2 Ba6 15.Bg5 Semi-Slav: Blumenfeld (Rellstab)
11Nxe5 12.Nxe5 axb5 13.Qf3 Semi-Slav: Blumenfeld (Ståhlberg)
D50
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Queen's Gambit Declined: Semi-Pillsbury
4c5 Queen's Gambit Declined: Semi-Pillsbury (Been-Koomen)
4c5 5.cxd5 Queen's Gambit Declined: Semi-Pillsbury (Tarrasch)
4c5 5.cxd5 Qb6 Queen's Gambit Declined: Semi-Pillsbury (Venice)
4c5 5.Nf3 cxd4 6.Qxd4 Queen's Gambit Declined: Semi-Pillsbury (Primitive)
4c5 5.Nf3 cxd4 6.Nxd4 e5 7.Ndb5 a6 8.Qa4 Queen's Gambit Declined: Semi-Pillsbury (Krause)
D51
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7 Queen's Gambit Declined: Semi-Pillsbury
5.Nf3 c6 6.e4 Queen's Gambit Declined: Semi-Pillsbury (Alekhine)
5.Nf3 c6 6.Rc1 Qa5 7.Bd2 Queen's Gambit Declined: Semi-Pillsbury (Rochlin)
5.Nf3 Bb4 Queen's Gambit Declined: Semi-Pillsbury (New York)
5.e3 Bb4 Queen's Gambit Declined: Semi-Pillsbury (Manhattan)
5.e3 Bb4 6.Nf3 c5 Queen's Gambit Declined: Semi-Pillsbury (Westphalia)
5.e3 c6 6.a3 Queen's Gambit Declined: Semi-Pillsbury (Capablanca)
5.e3 c6 6.cxd5 Queen's Gambit Declined: Semi-Pillsbury (Exchange)
D52
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7 5.e3 c6 6.Nf3 Queen's Gambit Declined: Semi-Pillsbury
6Qa5 Queen's Gambit Declined: Cambridge Springs
6Qa5 7.Bxf6 Queen's Gambit Declined: Cambridge Springs (Capablanca)
6Qa5 7.cxd5 Nxd5 Queen's Gambit Declined: Cambridge Springs (Yugoslav)
6Qa5 7.Nd2 dxc4 Queen's Gambit Declined: Cambridge Springs (Rubinstein)
6Qa5 7.Nd2 Bb4 8.Qc2 Queen's Gambit Declined: Cambridge Springs (Bogolubov)
6Qa5 7.Nd2 Bb4 8.Qc2 0-0 9.Bh4 Queen's Gambit Declined: Cambridge Springs (Argentine)
D53
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 Queen's Gambit Declined: Pillsbury
5.Nf3 c6 6.e4 Queen's Gambit Declined: Pillsbury (Alekhine)
5.Nf3 h6 6.Bh4 0-0 7.Rc1 dxc4 Queen's Gambit Declined: Pillsbury (Uhlmann)
5.e3 Ne4 Queen's Gambit Declined: Pillsbury (Lasker)
D54
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 0-0 6.Rc1 Queen's Gambit Declined: Pillsbury (Anti-Neo-Orthodox)
D55
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 0-0 6.Nf3 Queen's Gambit Declined: Pillsbury
6b6 7.Bd3 Bb7 8.cxd5 exd5 9.Ne5 Queen's Gambit Declined: Pillsbury (Pillsbury Attack)
6h6 Queen's Gambit Declined: Neo-Orthodox
6h6 7.Bxf6 Queen's Gambit Declined: Neo-Orthodox (Anti-Tartakower)
6h6 7.Bxf6 Bxf6 8.Rc1 c6 9.Bd3 Nd7 10.0-0 dxc4 11.Bxc4 Queen's Gambit Declined: Neo-Orthodox (Petrosian)
D56
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 0-0 6.Nf3 h6 7.Bh4 Queen's Gambit Declined: Neo-Orthodox
7Ne4 Queen's Gambit Declined: Lasker
7Ne4 8.Bxe7 Qxe7 9.Rc1 Queen's Gambit Declined: Lasker (Modern)
7Ne4 8.Bxe7 Qxe7 9.Qc2 Queen's Gambit Declined: Lasker (Teichmann)
7Ne4 8.Bxe7 Qxe7 9.Qc2 Nf6 10.Bd3 dxc4 11.Bxc4 c5 12.0-0 Nc6 13.Rfd1 Bd7 Queen's Gambit Declined: Lasker (Russian)
D57
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 0-0 6.Nf3 h6 7.Bh4 Ne4 8.Bxe7 Qxe7 9.cxd5 Queen's Gambit Declined: Lasker
9Nxc3 10.bxc3 exd5 11.Qb3 Qd6 Queen's Gambit Declined: Lasker (Bernstein)
D58
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 0-0 6.Nf3 h6 7.Bh4 b6 Queen's Gambit Declined: Tartakower
D59
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 0-0 6.Nf3 h6 7.Bh4 b6 8.cxd5 Nxd5 Queen's Gambit Declined: Tartakower (Exchange)
D60
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 0-0 6.Nf3 Nbd7 Queen's Gambit Declined: Orthodox
7.Qb3 Queen's Gambit Declined: Orthodox (Rauzer)
7.cxd5 Queen's Gambit Declined: Orthodox (Exchange)
7.Bd3 Queen's Gambit Declined: Orthodox (Botvinnik)
D61
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 0-0 6.Nf3 Nbd7 7.Qc2 Queen's Gambit Declined: Orthodox (Rubinstein)
D62
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 0-0 6.Nf3 Nbd7 7.Qc2 c5 8.cxd5 Queen's Gambit Declined: Orthodox (Rubinstein)
D63
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 0-0 6.Nf3 Nbd7 7.Rc1 Queen's Gambit Declined: Orthodox
7a6 Queen's Gambit Declined: Orthodox (Henneberger)
7a6 8.cxd5 Queen's Gambit Declined: Orthodox (Carlsbad)
7b6 8.cxd5 exd5 9.Bb5 Queen's Gambit Declined: Orthodox (Capablanca)
7b6 8.cxd5 exd5 9.Bd3 Queen's Gambit Declined: Orthodox (Pillsbury)
7b6 8.cxd5 exd5 9.Qa4 Queen's Gambit Declined: Orthodox (Duras)
7c6 Queen's Gambit Declined: Orthodox (Classical)
D64
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 0-0 6.Nf3 Nbd7 7.Rc1 c6 8.Qc2 Queen's Gambit Declined: Rubinstein
8Ne4 Queen's Gambit Declined: Rubinstein (Wolf)
8a6 Queen's Gambit Declined: Rubinstein (Carlsbad)
8a6 9.a3 Queen's Gambit Declined: Rubinstein (Grünfeld)
D65
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 0-0 6.Nf3 Nbd7 7.Rc1 c6 8.Qc2 a6 9.cxd5 Queen's Gambit Declined: Rubinstein (Carlsbad)
D66
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 0-0 6.Nf3 Nbd7 7.Rc1 c6 8.Bd3 Queen's Gambit Declined: Capablanca
8dxc4 9.Bxc4 b5 Queen's Gambit Declined: Capablanca (Fianchetto)
D67
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 0-0 6.Nf3 Nbd7 7.Rc1 c6 8.Bd3 dxc4 9.Bxc4 Nd5 Queen's Gambit Declined: Capablanca
10.h4 Queen's Gambit Declined: Capablanca (Janowski)
10.Bxe7 Qxe7 11.Ne4 Queen's Gambit Declined: Capablanca (Alekhine)
D68
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 0-0 6.Nf3 Nbd7 7.Rc1 c6 8.Bd3 dxc4 9.Bxc4 Nd5 10.Bxe7 Qxe7 11.0-0 Nxc3 12.Rxc3 e5 Queen's Gambit Declined: Capablanca (Classical)
13.Qb1 Queen's Gambit Declined: Capablanca (Maróczy)
13.Qc2 Queen's Gambit Declined: Capablanca (Vidmar)
D69
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 0-0 6.Nf3 Nbd7 7.Rc1 c6 8.Bd3 dxc4 9.Bxc4 Nd5 10.Bxe7 Qxe7 11.0-0 Nxc3 12.Rxc3 e5 13.dxe5 Queen's Gambit Declined: Capablanca (Classical)
13Nxe5 14.Nxe5 Qxe5 15.f4 Queen's Gambit Declined: Capablanca (Rubinstein)

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