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Classic game replay

Adolf Anderssen vs Gustav Richard Neumann, 1866

This replay preserves the complete 45-ply score of Anderssen playing White across 23 numbered moves. The board can be advanced one ply at a time; the notes stick to observable board changes rather than guessing at the players’ intentions.

On this page
  1. Practice positions
  2. Replay with move-by-move board facts
  3. PGN
  4. Sources and checking
  5. Continue with another game
White
Adolf Anderssen
Black
Gustav Richard Neumann
Event
Berlin m1
Year
1866
Result
1-0
Opening
C34 King's Gambit Accepted: Greco Gambit

Opening reference: King's Gambit Accepted: Greco Gambit (C34).

In this game, 20 half-moves are labelled opening, 25 middlegame and 0 endgame. The score contains 3 captures and 1 checks or mates; before a recorded move, the position offered a median of 36 legal choices. The source score ends after 23.Be7 with the recorded result 1-0. Its termination tag was not retained, so this record does not infer whether the game ended by resignation, time or another cause.

Practice positions

The daily trainer uses a short set of positions from this complete score. Each link goes to the exact half-move rather than only the numbered move.

  1. 7.Nc3 — Develop the knight7.Nc3 was a leading choice in the fixed engine check.
  2. 10.Bd2 — Develop the bishop10.Bd2 was a leading choice in the fixed engine check.
  3. 16.Bb4 — Create pressure on e716.Bb4 was a leading choice in the fixed engine check.
  4. 23.Be7 — Create pressure on d823.Be7 was a leading choice in the fixed engine check.

Replay with move-by-move board facts

The board, fact panel and transcript use the same legal score. “Fixed engine check” means Stockfish 17.1, one thread, a fixed 25,000-node search and 3 candidate lines. It compares moves under one reproducible setting; it does not claim to reconstruct a player’s thoughts.

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Adolf Anderssen vs Gustav Richard Neumann, 1866

Start position

Use Previous and Next on the board, or select a move in the transcript. The board fact and fixed engine check remain visible until you choose another move.

Opening · 1.e4 to 10...O-O-O

  1. 1.e4 Claim central space

    Board fact: White moves the pawn from e2 to e4; from there it controls d5 and f5.

    Fixed engine check: Ranked first · e4 e5 Nf3 Nc6.

  2. 1...e5 Claim central space

    Board fact: Black moves the pawn from e7 to e5; from there it controls d4 and f4.

    Fixed engine check: Ranked first · e5 Nf3 Nc6 d4.

  3. 2.f4 Change the pawn structure

    Board fact: White moves the pawn from f2 to f4; the move changes the central pawn contact; from f4 it attacks Black's pawn on e5.

    Fixed engine check: Playable; Nf3 ranked higher · f4 exf4.

  4. 2...exf4 Exchange on f4

    Board fact: Black's pawn takes the pawn on f4; the move changes the central pawn contact; Black accepts doubled pawns on the f-file; black is ahead by 1 conventional material point after the capture.

    Fixed engine check: Ranked first · exf4 Nf3 d5 exd5.

  5. 3.Nf3 Develop the knight

    Board fact: White develops the knight from g1 to f3; from there it controls d4 and e5.

    Fixed engine check: Ranked first · Nf3 d5 exd5 Nf6.

  6. 3...g5 Advance the g-pawn

    Board fact: Black moves the pawn from g7 to g5; from there it controls f4.

    Fixed engine check: Ranked first · g5.

  7. 4.Bc4 Develop the bishop

    Board fact: White develops the bishop from f1 to c4; from c4 it attacks Black's pawn on f7.

    Fixed engine check: Near the leading choice · Bc4 g4 Nc3 gxf3.

  8. 4...Bg7 Develop the bishop

    Board fact: Black develops the bishop from f8 to g7; from g7 it attacks White's pawn on b2.

    Fixed engine check: Recorded move; g4 ranked higher · Bg7 Nc3 Nc6 d4.

  9. 5.h4 Create pressure on g5

    Board fact: White moves the pawn from h2 to h4; from h4 it attacks Black's pawn on g5.

    Fixed engine check: Ranked first · h4 h6 hxg5 hxg5.

  10. 5...h6 Advance the h-pawn

    Board fact: Black moves the pawn from h7 to h6; from h6 it reinforces the pawn on g5.

    Fixed engine check: Ranked first · h6 Nc3 Nc6 d4.

  11. 6.d4 Claim central space

    Board fact: White moves the pawn from d2 to d4; from there it controls e5 and c5.

    Fixed engine check: Ranked first · d4 Nc6 Nc3 d6.

  12. 6...d6 Advance the d-pawn

    Board fact: Black moves the pawn from d7 to d6; from there it controls e5 and c5.

    Fixed engine check: Near the leading choice · d6 Qd3.

  13. 7.Nc3 Develop the knight

    Board fact: White develops the knight from b1 to c3; from there it controls d5 and e4.

    Fixed engine check: Ranked first · Nc3 Nc6.

  14. 7...Nc6 Develop the knight

    Board fact: Black develops the knight from b8 to c6; from c6 it attacks White's pawn on d4.

    Fixed engine check: Ranked first · Nc6 Nd5 Na5 Be2.

  15. 8.Ne2 Create pressure on f4

    Board fact: White moves the knight from c3 to e2; from e2 it attacks Black's pawn on f4.

    Fixed engine check: Playable; Qd3 ranked higher · Ne2 g4.

  16. 8...Qe7 Create pressure on e4

    Board fact: Black moves the queen from d8 to e7; from e7 it attacks White's pawn on e4.

    Fixed engine check: Near the leading choice · Qe7 Qd3 g4 Nd2.

  17. 9.Qd3 Reposition the queen

    Board fact: White moves the queen from d1 to d3; from there it controls d4, e4 and c3.

    Fixed engine check: Ranked first · Qd3 Nf6.

  18. 9...Bd7 Develop the bishop

    Board fact: Black develops the bishop from c8 to d7; from there it controls c6, e6 and f5.

    Fixed engine check: Ranked first · Bd7.

  19. 10.Bd2 Develop the bishop

    Board fact: White develops the bishop from c1 to d2; from d2 it attacks Black's pawn on f4.

    Fixed engine check: Ranked first · Bd2 g4 Nfg1 Nf6.

  20. 10...O-O-O Queenside castling

    Board fact: Black castles queenside, moving the king to c8 and the rook to d8. The move changes king safety and develops the rook in one turn.

    Fixed engine check: Ranked first · O-O-O hxg5 hxg5 Rxh8.

Middlegame · 11.Bc3 to 23.Be7

  1. 11.Bc3 Reposition the bishop

    Board fact: White moves the bishop from d2 to c3; from there it controls d4.

    Fixed engine check: Recorded move; O-O-O ranked higher · Bc3 Nf6 Bd5 Rde8.

  2. 11...Re8 Rook on the semi-open e-file

    Board fact: Black moves the rook from d8 to e8; the rook now works on a semi-open e-file; from e8 it reinforces the queen on e7.

    Fixed engine check: Recorded move; Nf6 ranked higher · Re8.

  3. 12.d5 Create pressure on c6

    Board fact: White moves the pawn from d4 to d5; from d5 it attacks Black's knight on c6.

    Fixed engine check: Near the leading choice · d5 Ne5 Nxe5 Bxe5.

  4. 12...Ne5 Create pressure on d3

    Board fact: Black moves the knight from c6 to e5; from e5 it attacks White's queen on d3 and White's bishop on c4.

    Fixed engine check: Ranked first · Ne5 Nxe5 Bxe5 hxg5.

  5. 13.Nxe5 Exchange on e5

    Board fact: White's knight takes the knight on e5; from e5 it attacks Black's bishop on d7 and Black's pawn on f7; white is ahead by 2 conventional material points after the capture.

    Fixed engine check: Ranked first · Nxe5 Bxe5 hxg5 Qxg5.

  6. 13...dxe5 Recapture on e5

    Board fact: Black's pawn recaptures the knight on e5; the move changes the central pawn contact; from e5 it reinforces the pawn on f4; black is ahead by 1 conventional material point after the capture.

    Fixed engine check: Near the leading choice · dxe5 O-O-O.

  7. 14.O-O-O Queenside castling

    Board fact: White castles queenside, moving the king to c1 and the rook to d1. The move changes king safety and develops the rook in one turn.

    Fixed engine check: Playable; a3 ranked higher · O-O-O Nf6 Kb1 Qd6.

  8. 14...Nf6 Develop the knight

    Board fact: Black develops the knight from g8 to f6; from f6 it attacks White's pawn on d5 and White's pawn on e4.

    Fixed engine check: Ranked first · Nf6 Be1 Ng4 Bb5.

  9. 15.a3 Advance the a-pawn

    Board fact: White moves the pawn from a2 to a3.

    Fixed engine check: Ranked first · a3 Qc5 Bb4 Qb6.

  10. 15...Ng4 Reroute the knight

    Board fact: Black moves the knight from f6 to g4; from there it controls e5, e3 and f6.

    Fixed engine check: Recorded move; Qd6 ranked higher · Ng4 Bb4 Nf2 Qb3.

  11. 16.Bb4 Create pressure on e7

    Board fact: White moves the bishop from c3 to b4; from b4 it attacks Black's queen on e7.

    Fixed engine check: Ranked first · Bb4 Nf2.

  12. 16...Qf6 Reposition the queen

    Board fact: Black moves the queen from e7 to f6; from there it controls e5, c6 and d6.

    Fixed engine check: Recorded move; Nf2 ranked higher · Qf6 Bc5 Kb8 d6.

  13. 17.Bc5 Create pressure on a7

    Board fact: White moves the bishop from b4 to c5; from c5 it attacks Black's pawn on a7.

    Fixed engine check: Playable; d6 ranked higher · Bc5 Bf8 Bxa7 b6.

  14. 17...b6 Create pressure on c5

    Board fact: Black moves the pawn from b7 to b6; from b6 it attacks White's bishop on c5.

    Fixed engine check: Recorded move; Kb8 ranked higher · b6 d6.

  15. 18.Ba6+ A forcing check

    Board fact: White moves the bishop from c4 to a6; the move checks Black's king; from there it controls c4 and d3.

    Fixed engine check: Ranked first · Ba6+ Kb8 d6 c6.

  16. 18...Kb8 Answering the check

    Board fact: Black answers the check by moving the king from c8 to b8; from b8 it reinforces the pawn on a7.

    Fixed engine check: Ranked first · Kb8 d6.

  17. 19.d6 Change the pawn structure

    Board fact: White moves the pawn from d5 to d6; the move changes the central pawn contact; from d6 it attacks Black's pawn on c7.

    Fixed engine check: Ranked first · d6 c6 Qb3 Qd8.

  18. 19...c6 Change the pawn structure

    Board fact: Black moves the pawn from c7 to c6; the move changes the central pawn contact; from there it controls d5.

    Fixed engine check: Ranked first · c6 Qb3.

  19. 20.Qb3 Create pressure on b6

    Board fact: White moves the queen from d3 to b3; from b3 it attacks Black's pawn on b6 and Black's pawn on f7.

    Fixed engine check: Near the leading choice · Qb3 Qd8 a4 Ka8.

  20. 20...Be6 Create pressure on b3

    Board fact: Black moves the bishop from d7 to e6; from e6 it attacks White's queen on b3.

    Fixed engine check: Near the leading choice · Be6 Qb4 Qd8 a4.

  21. 21.Qb4 Create pressure on b6

    Board fact: White moves the queen from b3 to b4; from b4 it attacks Black's pawn on b6.

    Fixed engine check: Ranked first · Qb4 Qd8 a4 Qd7.

  22. 21...Qd8 Create pressure on d6

    Board fact: Black moves the queen from f6 to d8; from d8 it attacks White's pawn on d6.

    Fixed engine check: Ranked first · Qd8 a4.

  23. 22.d7 Advance a passed pawn

    Board fact: White moves the pawn from d6 to d7; the pawn is now passed; from d7 it attacks Black's rook on e8.

    Fixed engine check: Ranked first · d7.

  24. 22...Reg8 Improve the rook

    Board fact: Black moves the rook from e8 to g8; from g8 it reinforces the queen on d8.

    Fixed engine check: Recorded move; Bxd7 ranked higher · Reg8 Be7 Bxd7 Bxd8.

  25. 23.Be7 Create pressure on d8

    Board fact: White moves the bishop from c5 to e7; from e7 it attacks Black's queen on d8 and Black's pawn on g5.

    Fixed engine check: Ranked first · Be7 Bxd7 Bxd8 c5.

PGN

[Event "Berlin m1"] [Site "?"] [Date "1866.??.??"] [White "Anderssen, Adolf"] [Black "Neumann, Gustav Richard"] [Result "1-0"] 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 Bg7 5. h4 h6 6. d4 d6 7. Nc3 Nc6 8. Ne2 Qe7 9. Qd3 Bd7 10. Bd2 O-O-O 11. Bc3 Re8 12. d5 Ne5 13. Nxe5 dxe5 14. O-O-O Nf6 15. a3 Ng4 16. Bb4 Qf6 17. Bc5 b6 18. Ba6+ Kb8 19. d6 c6 20. Qb3 Be6 21. Qb4 Qd8 22. d7 Reg8 23. Be7 1-0

Sources and checking

Score source: Chess Database, version 1 by Ana Schaigorodsky (2016), licensed under CC BY 4.0. LibreChess selected the exact score identified by sha256:78e9936f83a49eafd4b5cc479252c0066df1a222fc1d82d68d10ede6a8f602e2 and pins it in the selection manifest.
Exact Figshare tags:
White="Anderssen, Adolf"; Black="Neumann, Gustav Richard"; Event="Berlin m1"; Date="1866.??.??"; Result="1-0". LibreChess parsed the main line with chess.js and stores normalised SAN. Source comments, side variations and termination detail were not retained.

LibreChess checks every SAN move with chess.js and compares the result and move sequence with a stored reference. The engine comparison was calculated offline from the fixed settings above; it is not a source for historical claims. No termination is inferred where the imported score does not preserve one.

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