(A52) Alekhine
1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. e4
(A52) Alekhine (Balogh)
1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. e4 d6
(A52) Alekhine (Abonyi)
1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. e4 Nxe5 5. f4 Nec6
(A52) Adler
1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3
(A52) Rubinstein
1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Bf4