Chess 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

D00-D05

**D00**
1.d4 d5	Queen's Pawn:
2.Bg5	Queen's Pawn: Levitsky
2.Qd3	Queen's Pawn: Amazon
2.e3 ~ 3.Bd3	Queen's Pawn: Stonewall
2.e3 c6 3.Bd3	Queen's Pawn: Stonewall (Zukertort)
2.e3 e6 3.Bd3	Queen's Pawn: Stonewall (Showalter)
2.e3 e6 3.Bd3 c5	Queen's Pawn: Stonewall (Gunsberg)
2.e3 Nf6 3.Bd3	Queen's Pawn: Stonewall (Pillsbury)
2.Bf4	Queen's Pawn: Mason
2.Bf4 c5	Queen's Pawn: Mason (Steinitz)
2.e4	Queen's Pawn: Blackmar
2.e4 dxe4 3.Nc3 e5	Queen's Pawn: Blackmar (Lemberger)
2.e4 dxe4 3.Nc3 f5	Queen's Pawn: Blackmar (Netherlands)
2.Nc3	Queen's Pawn: Chigorin
2.Nc3 h5	Queen's Pawn: Chigorin (Shropshire)
2.Nc3 b6 3.a4 Nd7	Queen's Pawn: Chigorin (Cologne)
2.Nc3 Bg4	Queen's Pawn: Chigorin (Anti-Veresov)
2.Nc3 Nf6 2.e4	Queen's Pawn: Blackmar-Diemer
2.Nc3 Nf6 2.e4 e5	Queen's Pawn: Blackmar-Diemer (Lemberg)
2.Nc3 Nf6 3.e4 Nxe4	Queen's Pawn: Blackmar-Diemer (Hübsch)
2.Nc3 Nf6 2.e4 dxe4 4.Bg5	Queen's Pawn: Blackmar-Diemer (Popiel)
2.Nc3 Nf6 2.e4 dxe4 4.f3 Bf5	Queen's Pawn: Blackmar-Diemer (Vienna)
2.Nc3 Nf6 2.e4 dxe4 4.f3 exf3 5.Qxf3	Queen's Pawn: Blackmar-Diemer (Ryder)
2.Nc3 Nf6 2.e4 dxe4 4.f3 exf3 5.Nxf3 Bg4	Queen's Pawn: Blackmar-Diemer (Teichmann)
2.Nc3 Nf6 2.e4 dxe4 4.f3 exf3 5.Nxf3 c6	Queen's Pawn: Blackmar-Diemer (O'Kelly)
2.Nc3 Nf6 2.e4 dxe4 4.f3 exf3 5.Nxf3 e6	Queen's Pawn: Blackmar-Diemer (Euwe)
2.Nc3 Nf6 2.e4 dxe4 4.f3 exf3 5.Nxf3 g6	Queen's Pawn: Blackmar-Diemer (Bogolubov)
2.Nc3 Nf6 2.e4 dxe4 4.f3 exf3 5.Nxf3 g6 6.Bc4 Bg7 7.0-0 0-0 8.Qe1	Queen's Pawn: Blackmar-Diemer (Studier)

**D01**
1.d4 d5 2.Nc3 Nf6 3.Bg5	Queen's Pawn: Richter-Veresov
3…Bf5 4.f3	Queen's Pawn: Richter-Veresov (Richter)
3…Bf5 4.Bxf6	Queen's Pawn: Richter-Veresov (Veresov)

**D02**
1.d4 d5 2.Nf3	Queen's Pawn: Zukertort
2…c5	Queen's Pawn: Zukertort (Krause)
2…Bg4	Queen's Pawn: Zukertort (Anti-Torre)
2…Nc6	Queen's Pawn: Zukertort (Chigorin)
2…Nf6	Queen's Pawn: Zukertort (Symmetrical)
2…Nf6 3.Bf4	Queen's Pawn: Zukertort (London)
2…Nf6 3.g3	Queen's Pawn: Zukertort (Catalan)

**D03**
1.d4 d5 2.Nf3 Nf6 3.Bg5	Queen's Pawn: Torre

**D04**
1.d4 d5 2.Nf3 Nf6 3.e3	Queen's Pawn: Closed
3…Bf5 4.Bd3 e6	Queen's Pawn: Closed (Alekhine)
3…c5 4.c3	Queen's Pawn: Closed (Semi-Colle)

**D05**
1.d4 d5 2.Nf3 Nf6 3.e3 e6	Queen's Pawn: Closed
4.Bd3	Queen's Pawn: Closed (Zukertort)
4.Bd3 c5 5.b3	Queen's Pawn: Closed (Rubinstein)
4.Bd3 c5 5.c3	Queen's Pawn: Closed (Colle)