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Classic game replay

Adolf Anderssen vs Victor Knorre, 1865

This replay preserves the complete 67-ply score of Anderssen playing White across 34 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
Victor Knorre
Event
Berlin m5
Year
1865
Result
1-0
Opening
C51 Italian Game: Evans Gambit, Paulsen Variation

Opening reference: Italian Game: Evans Gambit, Paulsen Variation (C51).

In this game, 20 half-moves are labelled opening, 47 middlegame and 0 endgame. The score contains 12 captures and 1 checks or mates; before a recorded move, the position offered a median of 37 legal choices. The source score ends after 34.Rxh7+ 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. 8.cxd4 — Recapture on d48.cxd4 was a leading choice in the fixed engine check.
  2. 13.Ne2 — Reroute the knight13.Ne2 was a leading choice in the fixed engine check.
  3. 18.g4 — Advance the g-pawn18.g4 was a leading choice in the fixed engine check.
  4. 24.Bc2 — Reposition the bishop24.Bc2 was a leading choice in the fixed engine check.
  5. 34.Rxh7+ — Capture with check on h734.Rxh7+ 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.

♜♞♝♛♚♝♞♜♟♟♟♟♟♟♟♟♟♟♟♟♟♟♟♟♜♞♝♛♚♝♞♜
Adolf Anderssen vs Victor Knorre, 1865

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...Ne7

  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.Nf3 Develop the knight

    Board fact: White develops the knight from g1 to f3; from f3 it attacks Black's pawn on e5.

    Fixed engine check: Ranked first · Nf3 Nc6 d4 exd4.

  4. 2...Nc6 Develop the knight

    Board fact: Black develops the knight from b8 to c6; from there it controls d4 and e5.

    Fixed engine check: Ranked first · Nc6 d4 exd4 Nxd4.

  5. 3.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: Ranked first · Bc4 Nf6 d3 d6.

  6. 3...Bc5 Develop the bishop

    Board fact: Black develops the bishop from f8 to c5; from c5 it attacks White's pawn on f2.

    Fixed engine check: Near the leading choice · Bc5 c3 Nf6 d4.

  7. 4.b4 Create pressure on c5

    Board fact: White moves the pawn from b2 to b4; from b4 it attacks Black's bishop on c5.

    Fixed engine check: Playable; c3 ranked higher · b4.

  8. 4...Bxb4 Exchange on b4

    Board fact: Black's bishop takes the pawn on b4; from b4 it attacks White's pawn on d2; black is ahead by 1 conventional material point after the capture.

    Fixed engine check: Ranked first · Bxb4.

  9. 5.c3 Create pressure on b4

    Board fact: White moves the pawn from c2 to c3; from c3 it attacks Black's bishop on b4.

    Fixed engine check: Ranked first · c3 Be7 d4 Na5.

  10. 5...Bc5 Create pressure on f2

    Board fact: Black moves the bishop from b4 to c5; from c5 it attacks White's pawn on f2.

    Fixed engine check: Near the leading choice · Bc5 d4 Bb6 a4.

  11. 6.O-O Kingside castling

    Board fact: White castles kingside, moving the king to g1 and the rook to f1. The move changes king safety and develops the rook in one turn.

    Fixed engine check: Near the leading choice · O-O d6 d4 Bb6.

  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: Ranked first · d6 d4 Bb6 dxe5.

  13. 7.d4 Change the pawn structure

    Board fact: White moves the pawn from d2 to d4; the move changes the central pawn contact; from d4 it attacks Black's bishop on c5 and Black's pawn on e5.

    Fixed engine check: Ranked first · d4 Bb6 dxe5 dxe5.

  14. 7...exd4 Exchange on d4

    Board fact: Black's pawn takes the pawn on d4; the move changes the central pawn contact; Black accepts doubled pawns on the d-file; from d4 it attacks White's pawn on c3; black is ahead by 2 conventional material points after the capture.

    Fixed engine check: Ranked first · exd4 cxd4.

  15. 8.cxd4 Recapture on d4

    Board fact: White's pawn recaptures the pawn on d4; the move changes the central pawn contact; from d4 it attacks Black's bishop on c5; black is ahead by 1 conventional material point after the capture.

    Fixed engine check: Ranked first · cxd4 Bb6 h3 Nf6.

  16. 8...Bb6 Create pressure on d4

    Board fact: Black moves the bishop from c5 to b6; from b6 it attacks White's pawn on d4.

    Fixed engine check: Ranked first · Bb6 d5.

  17. 9.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: Ranked first · d5 Na5 Bd3 Nf6.

  18. 9...Na5 Create pressure on c4

    Board fact: Black moves the knight from c6 to a5; from a5 it attacks White's bishop on c4.

    Fixed engine check: Ranked first · Na5 Bb2 Nf6 Bd3.

  19. 10.Bb2 Develop the bishop

    Board fact: White develops the bishop from c1 to b2; from b2 it attacks Black's pawn on g7.

    Fixed engine check: Ranked first · Bb2.

  20. 10...Ne7 Develop the knight

    Board fact: Black develops the knight from g8 to e7; from e7 it attacks White's pawn on d5.

    Fixed engine check: Ranked first · Ne7 Bd3 O-O h3.

Middlegame · 11.Bd3 to 34.Rxh7+

  1. 11.Bd3 Reposition the bishop

    Board fact: White moves the bishop from c4 to d3; from there it controls e4 and c4.

    Fixed engine check: Ranked first · Bd3 O-O h3 Ng6.

  2. 11...O-O Kingside castling

    Board fact: Black castles kingside, moving the king to g8 and the rook to f8. The move changes king safety and develops the rook in one turn.

    Fixed engine check: Ranked first · O-O h3 Ng6 Nc3.

  3. 12.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 Ng6 h3 Re8.

  4. 12...Ng6 Reroute the knight

    Board fact: Black moves the knight from e7 to g6; from there it controls e5 and f4.

    Fixed engine check: Ranked first · Ng6 h3 Re8 Rc1.

  5. 13.Ne2 Reroute the knight

    Board fact: White moves the knight from c3 to e2; from there it controls d4, c3 and f4.

    Fixed engine check: Ranked first · Ne2 Bg4 Ng3 c6.

  6. 13...c5 Advance a passed pawn

    Board fact: Black moves the pawn from c7 to c5; the pawn is now passed; from there it controls d4.

    Fixed engine check: Near the leading choice · c5 Bc3.

  7. 14.Ng3 Reroute the knight

    Board fact: White moves the knight from e2 to g3; from there it controls e4 and f5.

    Fixed engine check: Ranked first · Ng3 f6 Bc3 Bc7.

  8. 14...f6 Advance the f-pawn

    Board fact: Black moves the pawn from f7 to f6; from there it controls e5.

    Fixed engine check: Ranked first · f6 Bc3 Bc7 a4.

  9. 15.Qd2 Create pressure on a5

    Board fact: White moves the queen from d1 to d2; from d2 it attacks Black's knight on a5.

    Fixed engine check: Playable; Bc3 ranked higher · Qd2 Bd7.

  10. 15...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 Bc3.

  11. 16.Kh1 Reposition the king

    Board fact: White moves the king from g1 to h1; from h1 it reinforces the pawn on g2.

    Fixed engine check: Near the leading choice · Kh1 Bc7.

  12. 16...Rc8 Improve the rook

    Board fact: Black moves the rook from a8 to c8; from there it controls c5 and c6.

    Fixed engine check: Near the leading choice · Rc8.

  13. 17.Nf5 Create pressure on d6

    Board fact: White moves the knight from g3 to f5; from f5 it attacks Black's pawn on d6 and Black's pawn on g7.

    Fixed engine check: Near the leading choice · Nf5 Bxf5 exf5 Ne5.

  14. 17...Bc7 Reposition the bishop

    Board fact: Black moves the bishop from b6 to c7; from there it controls d6.

    Fixed engine check: Near the leading choice · Bc7 g4 b5 g5.

  15. 18.g4 Advance the g-pawn

    Board fact: White moves the pawn from g2 to g4; from there it controls f5.

    Fixed engine check: Ranked first · g4 b5 Rg1 Ne5.

  16. 18...b5 Advance the b-pawn

    Board fact: Black moves the pawn from b7 to b5; from there it controls c4.

    Fixed engine check: Ranked first · b5 Rg1 c4 Bc2.

  17. 19.Rg1 Improve the rook

    Board fact: White moves the rook from f1 to g1; from g1 it reinforces the rook on a1.

    Fixed engine check: Ranked first · Rg1 c4.

  18. 19...Ne5 Create pressure on d3

    Board fact: Black moves the knight from g6 to e5; from e5 it attacks White's bishop on d3 and White's knight on f3.

    Fixed engine check: Playable; c4 ranked higher · Ne5 Nxg7.

  19. 20.Nxe5 Exchange on e5

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

    Fixed engine check: Playable; Nxg7 ranked higher · Nxe5 fxe5.

  20. 20...fxe5 Recapture on e5

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

    Fixed engine check: Ranked first · fxe5 f4 c4 fxe5.

  21. 21.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: Ranked first · f4 c4.

  22. 21...Nb7 Reroute the knight

    Board fact: Black moves the knight from a5 to b7; from there it controls c5 and d6.

    Fixed engine check: Recorded move; c4 ranked higher · Nb7 Raf1.

  23. 22.fxe5 Exchange on e5

    Board fact: White's pawn takes the pawn on e5; the move changes the central pawn contact; White accepts doubled pawns on the e-file; from e5 it attacks Black's pawn on d6; material is level after the capture.

    Fixed engine check: Near the leading choice · fxe5 dxe5 Raf1 c4.

  24. 22...dxe5 Recapture on e5

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

    Fixed engine check: Ranked first · dxe5 Raf1 c4 Bc2.

  25. 23.Raf1 Rook on the open f-file

    Board fact: White moves the rook from a1 to f1; the rook now occupies the open f-file; from there it controls f3, f4 and f5.

    Fixed engine check: Ranked first · Raf1 c4.

  26. 23...c4 Advance a passed pawn

    Board fact: Black moves the pawn from c5 to c4; the pawn is now passed; from c4 it attacks White's bishop on d3.

    Fixed engine check: Ranked first · c4 Bc2 Bd6 g5.

  27. 24.Bc2 Reposition the bishop

    Board fact: White moves the bishop from d3 to c2; from there it controls e4 and d3.

    Fixed engine check: Ranked first · Bc2 Bd6.

  28. 24...Ba5 Create pressure on d2

    Board fact: Black moves the bishop from c7 to a5; from a5 it attacks White's queen on d2.

    Fixed engine check: Near the leading choice · Ba5 Qe2 c3 Bc1.

  29. 25.Qd1 Reposition the queen

    Board fact: White moves the queen from d2 to d1; from there it controls d4, d5 and d3.

    Fixed engine check: Ranked first · Qd1 c3.

  30. 25...c3 Advance a passed pawn

    Board fact: Black moves the pawn from c4 to c3; the pawn is now passed; from c3 it attacks White's bishop on b2.

    Fixed engine check: Ranked first · c3 Bc1.

  31. 26.Bc1 Reposition the bishop

    Board fact: White moves the bishop from b2 to c1; from there it controls e3 and f4.

    Fixed engine check: Ranked first · Bc1 Bb6 Rg3 Kh8.

  32. 26...Bb6 Create pressure on g1

    Board fact: Black moves the bishop from a5 to b6; from b6 it attacks White's rook on g1.

    Fixed engine check: Ranked first · Bb6 Rg3 b4 d6.

  33. 27.Rg2 Improve the rook

    Board fact: White moves the rook from g1 to g2; from g2 it reinforces the bishop on c2.

    Fixed engine check: Playable; Rg3 ranked higher · Rg2 Bc5 g5 Qe8.

  34. 27...g6 Create pressure on f5

    Board fact: Black moves the pawn from g7 to g6; from g6 it attacks White's knight on f5.

    Fixed engine check: Recorded move; Bc5 ranked higher · g6 d6.

  35. 28.Rf3 Rook on the open f-file

    Board fact: White moves the rook from f1 to f3; the rook now occupies the open f-file; from f3 it attacks Black's pawn on c3.

    Fixed engine check: Recorded move; d6 ranked higher · Rf3.

  36. 28...Kh8 Reposition the king

    Board fact: Black moves the king from g8 to h8; from h8 it reinforces the pawn on h7.

    Fixed engine check: Ranked first · Kh8 Rh3 Qf6 Qe1.

  37. 29.Rh3 Create pressure on c3

    Board fact: White moves the rook from f3 to h3; from h3 it attacks Black's pawn on c3 and Black's pawn on h7.

    Fixed engine check: Ranked first · Rh3 Qf6 Qe1 a5.

  38. 29...gxf5 Exchange on f5

    Board fact: Black's pawn takes the knight on f5; the move changes the central pawn contact; from f5 it attacks White's pawn on e4 and White's pawn on g4; black is ahead by 4 conventional material points after the capture.

    Fixed engine check: Recorded move; b4 ranked higher · gxf5.

  39. 30.gxf5 Recapture on f5

    Board fact: White's pawn recaptures the pawn on f5; the pawn is now passed; the move changes the central pawn contact; black is ahead by 3 conventional material points after the capture.

    Fixed engine check: Recorded move; Rxh7+ ranked higher · gxf5 Rf7 Qh5 Qe8.

  40. 30...Qe7 Reposition the queen

    Board fact: Black moves the queen from d8 to e7; from there it controls e5, c5 and d6.

    Fixed engine check: Playable; Rf7 ranked higher · Qe7 d6 Qxd6 Qh5.

  41. 31.d6 Advance a passed pawn

    Board fact: White moves the pawn from d5 to d6; the pawn is now passed; from d6 it attacks Black's queen on e7.

    Fixed engine check: Ranked first · d6 Qxd6 Qh5 Qe7.

  42. 31...Nxd6 Exchange on d6

    Board fact: Black's knight takes the pawn on d6; from d6 it attacks White's pawn on e4 and White's pawn on f5; black is ahead by 4 conventional material points after the capture.

    Fixed engine check: Playable; Qf7 ranked higher · Nxd6 Bg5.

  43. 32.Bg5 Develop the bishop

    Board fact: White develops the bishop from c1 to g5; from g5 it attacks Black's queen on e7.

    Fixed engine check: Ranked first · Bg5 Qe8 Qxd6 Rc6.

  44. 32...Qf7 Create pressure on a2

    Board fact: Black moves the queen from e7 to f7; from f7 it attacks White's pawn on a2 and White's pawn on f5.

    Fixed engine check: Ranked first · Qf7 Qxd6 Bc7 Qd3.

  45. 33.Qxd6 Exchange on d6

    Board fact: White's queen takes the knight on d6; from d6 it attacks Black's rook on f8 and Black's bishop on b6; black is ahead by 1 conventional material point after the capture.

    Fixed engine check: Ranked first · Qxd6 Rc6 Qd1 Bd8.

  46. 33...Bd4 Reposition the bishop

    Board fact: Black moves the bishop from b6 to d4; from there it controls e5, c3 and c5.

    Fixed engine check: Playable; Qe6 ranked higher · Bd4 Be7.

  47. 34.Rxh7+ Capture with check on h7

    Board fact: White's rook takes the pawn on h7; the move checks Black's king; the rook has reached the opponent’s second rank; from h7 it attacks Black's queen on f7; material is level after the capture.

    Fixed engine check: Ranked first · Rxh7+ Qxh7 Bf6+ Qg7.

PGN

[Event "Berlin m5"] [Site "?"] [Date "1865.??.??"] [White "Anderssen, Adolf"] [Black "Knorre, Victor"] [Result "1-0"] 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bc5 6. O-O d6 7. d4 exd4 8. cxd4 Bb6 9. d5 Na5 10. Bb2 Ne7 11. Bd3 O-O 12. Nc3 Ng6 13. Ne2 c5 14. Ng3 f6 15. Qd2 Bd7 16. Kh1 Rc8 17. Nf5 Bc7 18. g4 b5 19. Rg1 Ne5 20. Nxe5 fxe5 21. f4 Nb7 22. fxe5 dxe5 23. Raf1 c4 24. Bc2 Ba5 25. Qd1 c3 26. Bc1 Bb6 27. Rg2 g6 28. Rf3 Kh8 29. Rh3 gxf5 30. gxf5 Qe7 31. d6 Nxd6 32. Bg5 Qf7 33. Qxd6 Bd4 34. Rxh7+ 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 sha256:05b66aa6b29d4cf10d008f2c18e8d502a98f1efe6cbc24fa39d985d9e5851934 and pins it in the selection manifest.
Exact Figshare tags:
White="Anderssen, Adolf"; Black="Knorre, Victor"; Event="Berlin m5"; Date="1865.??.??"; 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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