♟ 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 10 — different move orders that transpose to the same position land in the same cluster.

Cluster at move
3456810
Showing 50 of 708 clusters (capped at 50)·720 / 726 games reached move 10
Position at move 10
2games2 move orders

Reached via

  • ×11.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.h3 Nb8 10.d4 Nbd7
  • ×11.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 O-O 9.h3 Nb8 10.d4 Nbd7

Games

Position at move 10
2games2 move orders

Reached via

  • ×11.d4 Nf6 2.Nf3 d5 3.c4 e6 4.Nc3 Nbd7 5.e3 c6 6.Qc2 Bd6 7.Bd3 dxc4 8.Bxc4 O-O 9.O-O b5 10.Bd3 Bb7
  • ×11.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 c6 5.e3 Nbd7 6.Qc2 Bd6 7.Bd3 O-O 8.O-O dxc4 9.Bxc4 b5 10.Bd3 Bb7

Games

Position at move 10
2games2 move orders

Reached via

  • ×11.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 O-O 5.a3 Bxc3+ 6.Qxc3 d5 7.Nf3 dxc4 8.Qxc4 b6 9.Bg5 Ba6 10.Qa4 h6
  • ×11.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5 5.a3 Bxc3+ 6.Qxc3 O-O 7.Nf3 dxc4 8.Qxc4 b6 9.Bg5 Ba6 10.Qa4 h6

Games

Position at move 10
2games2 move orders

Reached via

  • ×11.Nf3 Nf6 2.g3 d5 3.Bg2 c5 4.O-O e6 5.c4 d4 6.e3 Nc6 7.d3 h6 8.exd4 cxd4 9.Bf4 Bd6 10.Bxd6 Qxd6
  • ×11.c4 Nf6 2.g3 e6 3.Bg2 d5 4.Nf3 d4 5.O-O c5 6.e3 Nc6 7.exd4 cxd4 8.d3 h6 9.Bf4 Bd6 10.Bxd6 Qxd6

Games

Position at move 10
2games

Reached via

  • ×21.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nf6 5.Nxf6+ exf6 6.c3 Bd6 7.Bd3 O-O 8.Qc2 Re8+ 9.Ne2 h5 10.O-O h4

Games

Position at move 10
2games

Reached via

  • ×21.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.Be3 a6 7.Qf3 b5 8.Qg3 Qxg3 9.hxg3 Nxd4 10.Bxd4 Bb7

Games

Position at move 10
2games2 move orders

Reached via

  • ×11.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.d3 b5 7.Bb3 d6 8.a4 Bd7 9.c3 O-O 10.Bc2 Re8
  • ×11.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.d3 b5 7.Bb3 d6 8.c3 O-O 9.a4 Bd7 10.Bc2 Re8

Games

Position at move 10
2games2 move orders

Reached via

  • ×11.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 d4 5.O-O Nc6 6.d3 Bc5 7.Nbd2 O-O 8.Nb3 Be7 9.e3 dxe3 10.Bxe3 Ng4
  • ×11.c4 e6 2.g3 d5 3.Bg2 d4 4.Nf3 Nc6 5.O-O Bc5 6.d3 Nf6 7.Nbd2 O-O 8.Nb3 Be7 9.e3 dxe3 10.Bxe3 Ng4

Games

Position at move 10
2games

Reached via

  • ×21.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.h4 h6 7.Nf3 Nd7 8.h5 Bh7 9.Bd3 Bxd3 10.Qxd3 e6

Games

Position at move 10
2games2 move orders

Reached via

  • ×11.e4 c6 2.d4 d5 3.Nd2 dxe4 4.Nxe4 Nf6 5.Nxf6+ exf6 6.c3 Bd6 7.Bd3 O-O 8.Qc2 h6 9.Ne2 c5 10.Be3 Qc7
  • ×11.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nf6 5.Nxf6+ exf6 6.c3 Bd6 7.Bd3 O-O 8.Qc2 h6 9.Ne2 c5 10.Be3 Qc7

Games

Position at move 10
2games2 move orders

Reached via

  • ×11.c4 e6 2.g3 d5 3.Bg2 Nf6 4.Nf3 dxc4 5.Qa4+ Nbd7 6.Qxc4 a6 7.Qc2 c5 8.Nc3 Qc7 9.O-O b6 10.d4 Bb7
  • ×11.Nf3 d5 2.c4 e6 3.g3 Nf6 4.Bg2 dxc4 5.Qa4+ Nbd7 6.Qxc4 a6 7.Qc2 c5 8.Nc3 Qc7 9.O-O b6 10.d4 Bb7

Games

Position at move 10
2games2 move orders

Reached via

  • ×11.c4 c5 2.Nf3 Nf6 3.Nc3 e6 4.g3 b6 5.Bg2 Bb7 6.O-O Be7 7.Re1 d5 8.cxd5 Nxd5 9.e4 Nb4 10.d4 cxd4
  • ×11.Nf3 Nf6 2.c4 b6 3.g3 c5 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.Re1 d5 8.cxd5 Nxd5 9.e4 Nb4 10.d4 cxd4

Games

Position at move 10
1game

Reached via

  • ×11.d4 Nf6 2.Nf3 e6 3.g3 b5 4.Bg2 Bb7 5.O-O c5 6.c3 Be7 7.Bg5 Na6 8.Nbd2 O-O 9.e3 Ne8 10.Bxe7 Qxe7

Games

Position at move 10
1game

Reached via

  • ×11.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 Re8 6.Ne2 d5 7.O-O Nbd7 8.Qc2 dxc4 9.Bxc4 a6 10.Rd1 b5

Games

Position at move 10
1game

Reached via

  • ×11.c4 Nf6 2.g3 e5 3.Bg2 c6 4.Nf3 e4 5.Nd4 Qb6 6.e3 d5 7.Nc3 Be7 8.d3 Bg4 9.Qb3 Qxb3 10.axb3 Bb4

Games

Position at move 10
1game

Reached via

  • ×11.d4 Nf6 2.c4 e6 3.Nf3 d5 4.g3 Bb4+ 5.Bd2 Be7 6.Bg2 O-O 7.O-O Nbd7 8.Qc2 c6 9.Rd1 a5 10.Bf4 a4

Games

Position at move 10
1game

Reached via

  • ×11.e4 c5 2.Nf3 Nc6 3.Nc3 e6 4.h3 a6 5.d4 cxd4 6.Nxd4 Qc7 7.Nxc6 bxc6 8.Bd3 d5 9.O-O Nf6 10.Re1 Bb7

Games

Position at move 10
1game

Reached via

  • ×11.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5 Nfd7 5.f4 c5 6.Nf3 Nc6 7.Be3 Rb8 8.Be2 cxd4 9.Nxd4 Bc5 10.Qd2 O-O

Games

Position at move 10
1game

Reached via

  • ×11.e4 c6 2.d4 d5 3.e5 c5 4.Nf3 cxd4 5.Nxd4 Nc6 6.c4 e6 7.Nc3 Bc5 8.Nxc6 bxc6 9.cxd5 cxd5 10.Bd3 Ne7

Games

Position at move 10
1game

Reached via

  • ×11.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 c6 5.e3 Nbd7 6.Qc2 Be7 7.b3 O-O 8.Bd3 b6 9.O-O Bb7 10.Bb2 h6

Games

Position at move 10
1game

Reached via

  • ×11.d4 Nf6 2.Nf3 g6 3.Nbd2 Bg7 4.e4 O-O 5.Bd3 c5 6.c3 cxd4 7.cxd4 d6 8.h3 Nc6 9.O-O a5 10.a4 Nb4

Games

Position at move 10
1game

Reached via

  • ×11.e4 c5 2.Nf3 Nc6 3.Bb5 g6 4.Bxc6 dxc6 5.d3 Bg7 6.h3 e5 7.a4 Qe7 8.a5 f6 9.Nc3 Be6 10.Be3 Bh6

Games

Position at move 10
1game

Reached via

  • ×11.e4 c6 2.d4 d5 3.e5 Bf5 4.h4 h5 5.c4 e6 6.Nc3 dxc4 7.Bxc4 Nd7 8.Nge2 Be7 9.Ng3 Bg6 10.Be2 Qb6

Games

Position at move 10
1game

Reached via

  • ×11.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bd3 e5 7.Nde2 Be7 8.O-O O-O 9.Ng3 Be6 10.Nd5 Nbd7

Games

Position at move 10
1game

Reached via

  • ×11.d4 Nf6 2.Nf3 d5 3.Bf4 c5 4.e3 e6 5.Nbd2 Qb6 6.Rb1 Nbd7 7.c3 Bd6 8.Ne5 Qc7 9.Ndf3 Ne4 10.Bd3 cxd4

Games

Position at move 10
1game

Reached via

  • ×11.c4 e6 2.Nf3 d5 3.d4 a6 4.Bg5 Be7 5.Bxe7 Nxe7 6.Nbd2 O-O 7.g3 dxc4 8.Nxc4 b5 9.Nce5 Bb7 10.Bg2 Nd7

Games

Position at move 10
1game

Reached via

  • ×11.e4 e6 2.d4 d5 3.Nd2 h6 4.Ngf3 Nf6 5.e5 Nfd7 6.Bd3 c5 7.c3 Nc6 8.O-O g5 9.h3 h5 10.c4 Nb6

Games

Position at move 10
1game

Reached via

  • ×11.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Bb4+ 6.Bd2 Be7 7.Nc3 O-O 8.O-O c6 9.e4 d5 10.cxd5 cxd5

Games

Position at move 10
1game

Reached via

  • ×11.e4 c5 2.Nf3 Nc6 3.c3 Nf6 4.e5 Nd5 5.d4 cxd4 6.Bc4 Nb6 7.Bb3 d5 8.exd6 Qxd6 9.O-O Be6 10.Bxe6 Qxe6

Games

Position at move 10
1game

Reached via

  • ×11.c4 c6 2.Nf3 a6 3.e4 d5 4.exd5 cxd5 5.d4 Nf6 6.Nc3 e6 7.c5 b6 8.cxb6 Nbd7 9.Bd3 Bd6 10.O-O O-O

Games

Position at move 10
1game

Reached via

  • ×11.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd2 d5 6.Nf3 Re8 7.Rc1 Bf8 8.Bd3 a6 9.O-O dxc4 10.Bxc4 b5

Games

Position at move 10
1game

Reached via

  • ×11.d4 d5 2.Nf3 Nf6 3.Bf4 e6 4.Nbd2 Bd6 5.Bg5 O-O 6.e4 dxe4 7.Nxe4 Be7 8.Bxf6 Bxf6 9.Qd3 Be7 10.h4 Nd7

Games

Position at move 10
1game

Reached via

  • ×11.e4 c5 2.Nc3 a6 3.g3 g6 4.Nge2 Bg7 5.d4 cxd4 6.Nxd4 d6 7.Bg2 Nf6 8.h3 O-O 9.O-O Nc6 10.Be3 Nd7

Games

Position at move 10
1game

Reached via

  • ×11.b3 e5 2.Bb2 Nc6 3.c4 Nf6 4.e3 d5 5.cxd5 Nxd5 6.a3 Bd6 7.Qc2 Qe7 8.d3 Bd7 9.Nd2 f5 10.Ngf3 g5

Games

Position at move 10
1game

Reached via

  • ×11.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Qd3 Nbd7 7.Be2 g6 8.Bg5 b5 9.Nd5 Bb7 10.Bxf6 exf6

Games

Position at move 10
1game

Reached via

  • ×11.d4 d5 2.c4 e6 3.Nc3 Be7 4.cxd5 exd5 5.Bf4 c6 6.e3 Bd6 7.Bxd6 Qxd6 8.Bd3 Ne7 9.Qc2 b6 10.Nf3 Ba6

Games

Position at move 10
1game

Reached via

  • ×11.e4 c5 2.Nc3 e6 3.Nf3 Nc6 4.d4 cxd4 5.Nxd4 Qc7 6.Be3 a6 7.g4 Nxd4 8.Qxd4 b5 9.Qd2 Bb7 10.Bf4 d6

Games

Position at move 10
1game

Reached via

  • ×11.c4 e5 2.g3 c6 3.Nf3 e4 4.Nd4 d5 5.cxd5 Qxd5 6.Nc2 Nf6 7.Nc3 Qe5 8.Bg2 Na6 9.a3 Nc5 10.b4 Nb3

Games

Position at move 10
1game

Reached via

  • ×11.d4 d5 2.c4 e6 3.Nc3 Be7 4.cxd5 exd5 5.Bf4 c6 6.e3 Bf5 7.f3 Bg6 8.Bd3 Bxd3 9.Qxd3 Nf6 10.Nge2 Nbd7

Games

Position at move 10
1game

Reached via

  • ×11.d4 d5 2.c4 e6 3.Nc3 Nf6 4.cxd5 exd5 5.Bg5 c6 6.e3 h6 7.Bh4 Be7 8.Bd3 O-O 9.Nge2 Nh5 10.Bxe7 Qxe7

Games

Position at move 10
1game

Reached via

  • ×11.e4 c5 2.Nf3 e6 3.b3 Nc6 4.Bb2 a6 5.c4 Qc7 6.g3 Nf6 7.e5 Ng4 8.Bg2 Be7 9.O-O f5 10.exf6 Nxf6

Games

Position at move 10
1game

Reached via

  • ×11.Nf3 Nf6 2.c4 e6 3.e3 d5 4.Nc3 Bd6 5.b3 O-O 6.Bb2 Re8 7.Be2 Nbd7 8.O-O a6 9.a4 b6 10.a5 dxc4

Games

Position at move 10
1game

Reached via

  • ×11.d4 d5 2.Nf3 c6 3.Bf4 Bf5 4.c4 e6 5.Nc3 Nd7 6.e3 h6 7.h3 Ngf6 8.Qb3 Qc8 9.Rc1 a6 10.Nd2 g5

Games

Position at move 10
1game

Reached via

  • ×11.e4 d6 2.d4 Nf6 3.Nc3 e5 4.Nf3 Nbd7 5.Rg1 Be7 6.g4 h6 7.g5 hxg5 8.Bxg5 c6 9.Be3 Qa5 10.Qd2 exd4

Games

Position at move 10
1game

Reached via

  • ×11.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 Bd7 7.Qd2 Rc8 8.O-O-O Nxd4 9.Qxd4 Qa5 10.Bd2 a6

Games

Position at move 10
1game

Reached via

  • ×11.e4 c5 2.Nc3 Nc6 3.Bb5 Nd4 4.a4 e6 5.Nf3 a6 6.Bc4 Nf6 7.d3 d5 8.Ba2 Nc6 9.O-O Be7 10.Bf4 d4

Games

Position at move 10
1game

Reached via

  • ×11.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 O-O 9.h3 Nd7 10.d4 Bf6

Games

Position at move 10
1game

Reached via

  • ×11.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 b5 6.Bd3 Bb7 7.O-O Nc6 8.Nxc6 Bxc6 9.Re1 Nf6 10.Qf3 Bd6

Games

Position at move 10
1game

Reached via

  • ×11.d4 Nf6 2.c4 e6 3.Nc3 d5 4.cxd5 exd5 5.Bg5 c6 6.e3 Be7 7.Bd3 O-O 8.Qc2 Nbd7 9.Nf3 Re8 10.O-O Nf8

Games

Position at move 10
1game

Reached via

  • ×11.e4 c5 2.Nf3 d6 3.Bc4 Nf6 4.Qe2 Nc6 5.c3 Bg4 6.d3 a6 7.Bb3 e6 8.Bf4 Be7 9.Nbd2 Nd7 10.Nc4 O-O

Games