♟ ChessInsights
Tournaments/European Individual Chess Championship 2026 | Boards 1-66/Openings

Openings — position clusters

Unlike a move-tree view, this groups games by the position actually reached at move 5 — different move orders that transpose to the same position land in the same cluster.

Cluster at move
3456810
Showing 50 of 450 clusters (capped at 50)·724 / 726 games reached move 5
Position at move 5
31games2 move orders

Reached via

  • ×301.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6
  • ×11.e4 c5 2.Nf3 d6 3.d4 Nf6 4.Nc3 cxd4 5.Nxd4 a6

Games

Position at move 5
21games

Reached via

  • ×211.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7

Games

Position at move 5
12games2 move orders

Reached via

  • ×111.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7
  • ×11.e4 c5 2.Nc3 e6 3.Nf3 Nc6 4.d4 cxd4 5.Nxd4 Qc7

Games

Position at move 5
9games

Reached via

  • ×91.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6

Games

Position at move 5
9games2 move orders

Reached via

  • ×81.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6
  • ×11.e4 c5 2.Nf3 Nc6 3.Nc3 e6 4.d4 cxd4 5.Nxd4 Nf6

Games

Position at move 5
9games8 move orders

Reached via

  • ×21.d4 Nf6 2.c4 e6 3.Nf3 d5 4.g3 Be7 5.Bg2 O-O
  • ×11.d4 e6 2.c4 d5 3.Nf3 Nf6 4.g3 Be7 5.Bg2 O-O
  • ×11.Nf3 d5 2.d4 Nf6 3.c4 e6 4.g3 Be7 5.Bg2 O-O
  • + 5 other orders

Games

Position at move 5
9games

Reached via

  • ×91.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d3 d6

Games

Position at move 5
8games5 move orders

Reached via

  • ×21.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 c6 5.e3 Nbd7
  • ×21.d4 d5 2.c4 e6 3.Nf3 Nf6 4.Nc3 c6 5.e3 Nbd7
  • ×21.Nf3 d5 2.d4 Nf6 3.c4 e6 4.Nc3 c6 5.e3 Nbd7
  • + 2 other orders

Games

Position at move 5
8games6 move orders

Reached via

  • ×21.Nf3 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.O-O O-O
  • ×21.Nf3 d5 2.g3 Nf6 3.Bg2 e6 4.O-O Be7 5.c4 O-O
  • ×11.Nf3 d5 2.c4 e6 3.g3 Nf6 4.Bg2 Be7 5.O-O O-O
  • + 3 other orders

Games

Position at move 5
7games

Reached via

  • ×71.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d3 Be7 5.O-O O-O

Games

Position at move 5
7games

Reached via

  • ×71.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Bc5

Games

Position at move 5
6games

Reached via

  • ×61.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5 Nfd7 5.f4 c5

Games

Position at move 5
6games5 move orders

Reached via

  • ×21.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O
  • ×11.d4 d6 2.Nf3 Nf6 3.c4 g6 4.Nc3 Bg7 5.e4 O-O
  • ×11.Nf3 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 O-O 5.d4 d6
  • + 2 other orders

Games

Position at move 5
5games5 move orders

Reached via

  • ×11.c4 e6 2.g3 d5 3.Bg2 Nf6 4.Nf3 d4 5.O-O c5
  • ×11.Nf3 Nf6 2.g3 d5 3.Bg2 c5 4.O-O e6 5.c4 d4
  • ×11.c4 e6 2.g3 Nf6 3.Bg2 d5 4.Nf3 d4 5.O-O c5
  • + 2 other orders

Games

Position at move 5
5games3 move orders

Reached via

  • ×31.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5
  • ×11.d4 d5 2.c4 dxc4 3.Nf3 e6 4.e3 c5 5.Bxc4 Nf6
  • ×11.d4 d5 2.c4 dxc4 3.Nf3 e6 4.e3 Nf6 5.Bxc4 c5

Games

Position at move 5
5games3 move orders

Reached via

  • ×21.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 a6
  • ×21.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 a6
  • ×11.e4 c5 2.Nf3 Nc6 3.Nc3 e6 4.d4 cxd4 5.Nxd4 a6

Games

Position at move 5
5games2 move orders

Reached via

  • ×41.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nf6 5.Nxf6+ exf6
  • ×11.e4 c6 2.d4 d5 3.Nd2 dxe4 4.Nxe4 Nf6 5.Nxf6+ exf6

Games

Position at move 5
5games

Reached via

  • ×51.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b5

Games

Position at move 5
5games

Reached via

  • ×51.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 d5

Games

Position at move 5
5games

Reached via

  • ×51.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6

Games

Position at move 5
5games5 move orders

Reached via

  • ×11.d4 Nf6 2.c4 c6 3.Nc3 d5 4.Nf3 e6 5.Bg5 h6
  • ×11.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 e6 5.Bg5 h6
  • ×11.d4 d5 2.c4 e6 3.Nf3 Nf6 4.Nc3 c6 5.Bg5 h6
  • + 2 other orders

Games

Position at move 5
4games

Reached via

  • ×41.e4 c6 2.d4 d5 3.e5 Bf5 4.h4 h5 5.c4 e6

Games

Position at move 5
4games2 move orders

Reached via

  • ×31.d4 d5 2.c4 e6 3.Nc3 Be7 4.cxd5 exd5 5.Bf4 c6
  • ×11.c4 e6 2.Nc3 d5 3.d4 Be7 4.cxd5 exd5 5.Bf4 c6

Games

Position at move 5
4games2 move orders

Reached via

  • ×31.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 b5
  • ×11.e4 c5 2.Nc3 e6 3.Nge2 a6 4.d4 cxd4 5.Nxd4 b5

Games

Position at move 5
4games4 move orders

Reached via

  • ×11.d4 Nf6 2.c4 e6 3.Nc3 d5 4.cxd5 exd5 5.Bg5 Be7
  • ×11.d4 d5 2.c4 e6 3.Nc3 Nf6 4.cxd5 exd5 5.Bg5 Be7
  • ×11.c4 e6 2.d4 d5 3.Nc3 Nf6 4.cxd5 exd5 5.Bg5 Be7
  • + 1 other order

Games

Position at move 5
4games3 move orders

Reached via

  • ×21.d4 d5 2.c4 e6 3.Nf3 Nf6 4.Nc3 Be7 5.cxd5 exd5
  • ×11.d4 Nf6 2.Nf3 d5 3.c4 e6 4.Nc3 Be7 5.cxd5 exd5
  • ×11.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 Be7 5.cxd5 exd5

Games

Position at move 5
4games

Reached via

  • ×41.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O Nxe4 5.d4 Nd6

Games

Position at move 5
4games

Reached via

  • ×41.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.h3 O-O

Games

Position at move 5
4games

Reached via

  • ×41.Nf3 d5 2.g3 Nf6 3.Bg2 e6 4.O-O Be7 5.d3 O-O

Games

Position at move 5
4games

Reached via

  • ×41.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 Bb4 5.cxd5 exd5

Games

Position at move 5
4games2 move orders

Reached via

  • ×31.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5
  • ×11.e4 c5 2.Nc3 Nc6 3.Nge2 Nf6 4.d4 cxd4 5.Nxd4 e5

Games

Position at move 5
3games

Reached via

  • ×31.e4 c5 2.Nf3 Nc6 3.Bb5 g6 4.Bxc6 dxc6 5.d3 Bg7

Games

Position at move 5
3games2 move orders

Reached via

  • ×21.d4 d5 2.c4 e6 3.Nc3 Nf6 4.cxd5 exd5 5.Bg5 c6
  • ×11.d4 Nf6 2.c4 e6 3.Nc3 d5 4.cxd5 exd5 5.Bg5 c6

Games

Position at move 5
3games

Reached via

  • ×31.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.Bd3 Bb7

Games

Position at move 5
3games

Reached via

  • ×31.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.a3 Bxc3+

Games

Position at move 5
3games

Reached via

  • ×31.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O

Games

Position at move 5
3games

Reached via

  • ×31.e4 c5 2.Nf3 Nc6 3.Bb5 g6 4.Bxc6 bxc6 5.O-O Bg7

Games

Position at move 5
3games

Reached via

  • ×31.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4

Games

Position at move 5
3games

Reached via

  • ×31.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e5 5.Nb5 d6

Games

Position at move 5
3games

Reached via

  • ×31.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.d3 b5

Games

Position at move 5
3games

Reached via

  • ×31.e4 c6 2.d4 d5 3.e5 Bf5 4.Nf3 e6 5.Be2 c5

Games

Position at move 5
3games2 move orders

Reached via

  • ×21.c4 e6 2.Nf3 d5 3.g3 d4 4.Bg2 Nc6 5.O-O Nh6
  • ×11.c4 e6 2.g3 d5 3.Bg2 Nc6 4.Nf3 d4 5.O-O Nh6

Games

Position at move 5
3games

Reached via

  • ×31.e4 c6 2.d4 d5 3.e5 c5 4.Nf3 cxd4 5.Qxd4 Nc6

Games

Position at move 5
3games2 move orders

Reached via

  • ×21.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d3 Bc5 5.O-O d6
  • ×11.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.O-O Nf6 5.d3 d6

Games

Position at move 5
3games

Reached via

  • ×31.e4 c6 2.d4 d5 3.e5 Bf5 4.Nf3 e6 5.Be2 a6

Games

Position at move 5
3games2 move orders

Reached via

  • ×21.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 dxc4 5.e4 Bb4
  • ×11.Nf3 Nf6 2.c4 e6 3.Nc3 d5 4.d4 dxc4 5.e4 Bb4

Games

Position at move 5
3games

Reached via

  • ×31.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 Nbd7 5.cxd5 exd5

Games

Position at move 5
3games

Reached via

  • ×31.e4 c5 2.Nf3 Nc6 3.Bb5 d6 4.O-O Bd7 5.Re1 a6

Games

Position at move 5
3games

Reached via

  • ×31.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d3 Be7 5.Nc3 d6

Games

Position at move 5
2games

Reached via

  • ×21.d4 Nf6 2.c4 e6 3.Nf3 d5 4.g3 Bb4+ 5.Bd2 Be7

Games