♟ ChessInsights
Tournaments/4NCL Division 1 2025-2026/Openings

Openings — position clusters

Unlike a move-tree view, this groups games by the position actually reached at move 4 — different move orders that transpose to the same position land in the same cluster.

Cluster at move
3456810
Showing 50 of 58 clusters (capped at 50)·384 / 384 games reached move 4·184 singletons hidden — show all
Position at move 4
17games

Reached via

  • ×171.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6

Games

Position at move 4
15games

Reached via

  • ×151.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6

Games

Position at move 4
14games2 move orders

Reached via

  • ×101.d4 d5 2.c4 e6 3.Nc3 Nf6 4.cxd5 exd5
  • ×41.d4 Nf6 2.c4 e6 3.Nc3 d5 4.cxd5 exd5

Games

Position at move 4
8games2 move orders

Reached via

  • ×71.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6
  • ×11.d4 Nf6 2.c4 g6 3.Nc3 d6 4.e4 Bg7

Games

Position at move 4
7games3 move orders

Reached via

  • ×41.d4 d5 2.c4 e6 3.Nf3 Nf6 4.g3 Be7
  • ×21.d4 Nf6 2.c4 e6 3.g3 d5 4.Nf3 Be7
  • ×11.d4 Nf6 2.Nf3 e6 3.c4 d5 4.g3 Be7

Games

Position at move 4
6games

Reached via

  • ×61.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O

Games

Position at move 4
5games

Reached via

  • ×51.Nf3 d5 2.g3 Nf6 3.Bg2 e6 4.O-O Be7

Games

Position at move 4
5games

Reached via

  • ×51.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5

Games

Position at move 4
4games2 move orders

Reached via

  • ×31.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nf6
  • ×11.e4 c6 2.d4 d5 3.Nd2 dxe4 4.Nxe4 Nf6

Games

Position at move 4
4games

Reached via

  • ×41.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5 Nfd7

Games

Position at move 4
4games

Reached via

  • ×41.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6

Games

Position at move 4
4games

Reached via

  • ×41.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6

Games

Position at move 4
4games3 move orders

Reached via

  • ×21.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 e6
  • ×11.d4 d5 2.Nf3 Nf6 3.c4 c6 4.Nc3 e6
  • ×11.d4 d5 2.c4 c6 3.Nc3 Nf6 4.Nf3 e6

Games

Position at move 4
4games2 move orders

Reached via

  • ×31.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6
  • ×11.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e6

Games

Position at move 4
4games

Reached via

  • ×41.e4 c6 2.d4 d5 3.exd5 cxd5 4.Bd3 Nc6

Games

Position at move 4
4games2 move orders

Reached via

  • ×31.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Bd2 Qe7
  • ×11.d4 Nf6 2.Nf3 e6 3.c4 Bb4+ 4.Bd2 Qe7

Games

Position at move 4
3games2 move orders

Reached via

  • ×21.d4 Nf6 2.Nf3 e6 3.c4 b6 4.g3 Ba6
  • ×11.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Ba6

Games

Position at move 4
3games2 move orders

Reached via

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

Games

Position at move 4
3games

Reached via

  • ×31.e4 e6 2.d4 d5 3.e5 c5 4.c3 Nc6

Games

Position at move 4
3games

Reached via

  • ×31.Nf3 Nf6 2.g3 g6 3.Bg2 Bg7 4.O-O O-O

Games

Position at move 4
3games

Reached via

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

Games

Position at move 4
3games

Reached via

  • ×31.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4

Games

Position at move 4
3games2 move orders

Reached via

  • ×21.d4 d5 2.c4 e6 3.Nf3 Nf6 4.Nc3 Nbd7
  • ×11.d4 Nf6 2.Nf3 d5 3.c4 e6 4.Nc3 Nbd7

Games

Position at move 4
2games

Reached via

  • ×21.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6

Games

Position at move 4
2games

Reached via

  • ×21.e4 e6 2.d4 d5 3.Nd2 Be7 4.Ngf3 Nf6

Games

Position at move 4
2games

Reached via

  • ×21.e4 e6 2.d4 d5 3.Bd3 dxe4 4.Bxe4 Nf6

Games

Position at move 4
2games2 move orders

Reached via

  • ×11.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4
  • ×11.e4 e5 2.Bc4 Nf6 3.d4 exd4 4.Nf3 Nc6

Games

Position at move 4
2games

Reached via

  • ×21.e4 c6 2.d4 d5 3.e5 Bf5 4.Nf3 e6

Games

Position at move 4
2games2 move orders

Reached via

  • ×11.d4 d5 2.c4 c6 3.Nf3 Nf6 4.cxd5 cxd5
  • ×11.d4 Nf6 2.c4 c6 3.Nf3 d5 4.cxd5 cxd5

Games

Position at move 4
2games

Reached via

  • ×21.e4 c5 2.Nf3 Nc6 3.Bb5 g6 4.O-O Bg7

Games

Position at move 4
2games2 move orders

Reached via

  • ×11.d4 Nf6 2.Nc3 d5 3.Bf4 a6 4.e3 e6
  • ×11.d4 Nf6 2.Nc3 d5 3.Bf4 e6 4.e3 a6

Games

Position at move 4
2games

Reached via

  • ×21.Nf3 Nf6 2.c4 g6 3.b3 Bg7 4.Bb2 O-O

Games

Position at move 4
2games2 move orders

Reached via

  • ×11.Nf3 d5 2.c4 e6 3.g3 Nf6 4.Bg2 d4
  • ×11.c4 Nf6 2.Nf3 e6 3.g3 d5 4.Bg2 d4

Games

Position at move 4
2games

Reached via

  • ×21.d4 Nf6 2.Nf3 g6 3.g3 Bg7 4.Bg2 O-O

Games

Position at move 4
2games

Reached via

  • ×21.e4 c5 2.Nf3 d6 3.Bb5+ Bd7 4.Bxd7+ Qxd7

Games

Position at move 4
2games2 move orders

Reached via

  • ×11.e4 c5 2.Nf3 g6 3.c3 Bg7 4.d4 cxd4
  • ×11.Nf3 g6 2.e4 c5 3.c3 Bg7 4.d4 cxd4

Games

Position at move 4
2games

Reached via

  • ×21.e4 c6 2.d4 d5 3.e5 Bf5 4.h4 h5

Games

Position at move 4
2games

Reached via

  • ×21.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 h6

Games

Position at move 4
2games2 move orders

Reached via

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

Games

Position at move 4
2games

Reached via

  • ×21.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+

Games

Position at move 4
2games2 move orders

Reached via

  • ×11.Nf3 d5 2.e3 c5 3.b3 Nf6 4.Bb2 e6
  • ×11.Nf3 d5 2.b3 c5 3.e3 Nf6 4.Bb2 e6

Games

Position at move 4
2games2 move orders

Reached via

  • ×11.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.d3 Nf6
  • ×11.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d3 Bc5

Games

Position at move 4
2games2 move orders

Reached via

  • ×11.d4 Nf6 2.Nf3 g6 3.Nc3 Bg7 4.e4 d6
  • ×11.e4 g6 2.d4 Bg7 3.Nf3 d6 4.Nc3 Nf6

Games

Position at move 4
2games

Reached via

  • ×21.Nf3 d5 2.c4 e6 3.g3 dxc4 4.Bg2 a6

Games

Position at move 4
2games2 move orders

Reached via

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

Games

Position at move 4
2games2 move orders

Reached via

  • ×11.c4 f5 2.Nf3 Nf6 3.g3 e6 4.Bg2 Be7
  • ×11.c4 e6 2.g3 f5 3.Bg2 Nf6 4.Nf3 Be7

Games

Position at move 4
2games

Reached via

  • ×21.e4 e6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bd7

Games

Position at move 4
2games

Reached via

  • ×21.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Nbd2 O-O

Games

Position at move 4
2games

Reached via

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

Games

Position at move 4
2games

Reached via

  • ×21.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6

Games