Openings — position clusters

Reached via

• ×91.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6

Reached via

• ×41.d4 Nf6 2.c4 e6 3.Nc3 d5 4.cxd5 exd5
• ×21.d4 d5 2.c4 e6 3.Nc3 Nf6 4.cxd5 exd5

Reached via

• ×31.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4
• ×11.c4 c6 2.d4 d5 3.Nf3 Nf6 4.Nc3 dxc4
• ×11.d4 d5 2.c4 c6 3.Nc3 Nf6 4.Nf3 dxc4

Reached via

• ×31.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O

Reached via

• ×31.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 dxe4

Reached via

• ×11.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 Be7
• ×11.d4 Nf6 2.c4 e6 3.Nc3 d5 4.Nf3 Be7
• ×11.c4 e6 2.Nc3 d5 3.d4 Be7 4.Nf3 Nf6

Reached via

• ×31.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+

Reached via

• ×31.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nge7

Reached via

• ×21.d4 d5 2.c4 e6 3.Nc3 h6 4.Nf3 Nf6
• ×11.c4 e6 2.d4 d5 3.Nc3 h6 4.Nf3 Nf6

Reached via

• ×21.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6

Reached via

• ×21.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5

Reached via

• ×21.e4 e6 2.d4 d5 3.exd5 exd5 4.Nf3 Nf6

Reached via

• ×11.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.Nc3 d5
• ×11.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7

Reached via

• ×21.d4 Nf6 2.c4 e6 3.Nf3 d5 4.g3 dxc4

Reached via

• ×21.e4 c6 2.d4 d5 3.e5 c5 4.Nf3 cxd4

Reached via

• ×21.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6

Reached via

• ×21.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 Bb4

Reached via

• ×21.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7

Reached via

• ×21.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5 Nfd7

Reached via

• ×21.d4 Nf6 2.c4 e6 3.Nc3 d5 4.Bg5 Nbd7

Reached via

• ×21.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5

Reached via

• ×11.d4 Nf6 2.c4 e6 3.Nf3 d5 4.cxd5 exd5
• ×11.d4 Nf6 2.Nf3 d5 3.c4 e6 4.cxd5 exd5

Reached via

• ×11.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 Be7
• ×11.Nf3 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7

Reached via

• ×21.d4 Nf6 2.Bf4 d6 3.Nc3 Nbd7 4.Nf3 c5

Reached via

• ×21.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 b5

Reached via

• ×21.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d3 h6

Reached via

• ×21.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5

Reached via

• ×11.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 Nbd7
• ×11.d4 d5 2.c4 e6 3.Nf3 Nd7 4.Nc3 Ngf6