LibreChessChess, explained simply

Classic game replay

Carl Mayet vs Adolf Anderssen, 1855

This replay preserves the complete 74-ply score of Anderssen playing Black across 37 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
Carl Mayet
Black
Adolf Anderssen
Event
Berlin m1
Year
1855
Result
0-1
Opening
C33 King's Gambit Accepted: Bishop's Gambit, McDonnell Attack

Opening reference: King's Gambit Accepted: Bishop's Gambit, McDonnell Attack (C33).

In this game, 20 half-moves are labelled opening, 54 middlegame and 0 endgame. The score contains 17 captures and 7 checks or mates; before a recorded move, the position offered a median of 38 legal choices. The source score ends after 37...Bf6 with the recorded result 0-1. 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. 9...Qg6 — Create pressure on e49...Qg6 was a leading choice in the fixed engine check.
  2. 14...Nbc6 — Develop the knight14...Nbc6 was a leading choice in the fixed engine check.
  3. 20...f5 — Advance a passed pawn20...f5 was a leading choice in the fixed engine check.
  4. 25...Qxg4+ — Capture with check on g425...Qxg4+ was a leading choice in the fixed engine check.
  5. 31...Bxf3+ — Capture with check on f331...Bxf3+ 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.

♜♞♝♛♚♝♞♜♟♟♟♟♟♟♟♟♟♟♟♟♟♟♟♟♜♞♝♛♚♝♞♜
Carl Mayet vs Adolf Anderssen, 1855

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...h6

  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.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 Qh4+ Kf1 d5.

  6. 3...Qh4+ A forcing check

    Board fact: Black moves the queen from d8 to h4; the move checks White's king; from h4 it attacks White's pawn on h2.

    Fixed engine check: Near the leading choice · Qh4+ Kf1 d5 exd5.

  7. 4.Kf1 Answering the check

    Board fact: White answers the check by moving the king from e1 to f1; from f1 it reinforces the knight on g1.

    Fixed engine check: Ranked first · Kf1.

  8. 4...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 Nf3.

  9. 5.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 Ne7 Nf3 Qh5.

  10. 5...Bg7 Develop the bishop

    Board fact: Black develops the bishop from f8 to g7; from g7 it attacks White's pawn on d4.

    Fixed engine check: Near the leading choice · Bg7 Nc3.

  11. 6.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 Ne7 Nf3 Qh5.

  12. 6...Ne7 Develop the knight

    Board fact: Black develops the knight from g8 to e7; from there it controls d5, c6 and f5.

    Fixed engine check: Ranked first · Ne7 Nf3 Qh5 h4.

  13. 7.g3 Create pressure on h4

    Board fact: White moves the pawn from g2 to g3; from g3 it attacks Black's queen on h4 and Black's pawn on f4.

    Fixed engine check: Recorded move; Nf3 ranked higher · g3 fxg3.

  14. 7...fxg3 Exchange on g3

    Board fact: Black's pawn takes the pawn on g3; the move changes the central pawn contact; Black accepts doubled pawns on the g-file; from g3 it attacks White's pawn on h2; black is ahead by 2 conventional material points after the capture.

    Fixed engine check: Ranked first · fxg3 Nf3 Qh3+ Kg1.

  15. 8.Kg2 Create pressure on g3

    Board fact: White moves the king from f1 to g2; from g2 it attacks Black's pawn on g3.

    Fixed engine check: Ranked first · Kg2 d5.

  16. 8...Qh6 Create pressure on h2

    Board fact: Black moves the queen from h4 to h6; from h6 it attacks White's pawn on h2.

    Fixed engine check: Playable; g4 ranked higher · Qh6 Nf3 Qc6 Qf1.

  17. 9.hxg3 Exchange on g3

    Board fact: White's pawn takes the pawn on g3; the move changes the central pawn contact; black is ahead by 1 conventional material point after the capture.

    Fixed engine check: Playable; Nf3 ranked higher · hxg3 Qg6 Be2 h6.

  18. 9...Qg6 Create pressure on e4

    Board fact: Black moves the queen from h6 to g6; from g6 it attacks White's pawn on e4.

    Fixed engine check: Ranked first · Qg6.

  19. 10.Nh3 Develop the knight

    Board fact: White develops the knight from g1 to h3; from h3 it attacks Black's pawn on g5.

    Fixed engine check: Playable; Nf3 ranked higher · Nh3 h6.

  20. 10...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.

Middlegame · 11.Rf1 to 37...Bf6

  1. 11.Rf1 Rook on the semi-open f-file

    Board fact: White moves the rook from h1 to f1; the rook now works on a semi-open f-file; from f1 it attacks Black's pawn on f7.

    Fixed engine check: Playable; Nf2 ranked higher · Rf1 O-O Bd3 Bxd4.

  2. 11...Rf8 Improve the rook

    Board fact: Black moves the rook from h8 to f8; from f8 it reinforces the pawn on f7.

    Fixed engine check: Recorded move; O-O ranked higher · Rf8 Be2.

  3. 12.Be3 Develop the bishop

    Board fact: White develops the bishop from c1 to e3; from e3 it attacks Black's pawn on g5.

    Fixed engine check: Recorded move; Be2 ranked higher · Be3 Nbc6 Be2 d6.

  4. 12...a6 Advance the a-pawn

    Board fact: Black moves the pawn from a7 to a6.

    Fixed engine check: Playable; Nbc6 ranked higher · a6 Be2 d6 Bh5.

  5. 13.Bd3 Create pressure on a6

    Board fact: White moves the bishop from c4 to d3; from d3 it attacks Black's pawn on a6.

    Fixed engine check: Near the leading choice · Bd3 Nbc6 e5 Qe6.

  6. 13...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: Playable; Nbc6 ranked higher · d6 Nd5.

  7. 14.g4 Advance the g-pawn

    Board fact: White moves the pawn from g3 to g4; from there it controls f5.

    Fixed engine check: Recorded move; Nd5 ranked higher · g4 Qe6.

  8. 14...Nbc6 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 · Nbc6 Nd5 Kd8 c3.

  9. 15.Nf2 Reroute the knight

    Board fact: White moves the knight from h3 to f2; from there it controls e4 and d3.

    Fixed engine check: Near the leading choice · Nf2 Bd7 Nd5 O-O-O.

  10. 15...Bd7 Develop the bishop

    Board fact: Black develops the bishop from c8 to d7; from d7 it attacks White's pawn on g4.

    Fixed engine check: Near the leading choice · Bd7.

  11. 16.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: Near the leading choice · Ne2 O-O-O.

  12. 16...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: Playable; h5 ranked higher · O-O-O.

  13. 17.c3 Advance the c-pawn

    Board fact: White moves the pawn from c2 to c3; from there it controls d4.

    Fixed engine check: Ranked first · c3 d5.

  14. 17...h5 Create pressure on g4

    Board fact: Black moves the pawn from h6 to h5; from h5 it attacks White's pawn on g4.

    Fixed engine check: Ranked first · h5.

  15. 18.e5 Change the pawn structure

    Board fact: White moves the pawn from e4 to e5; the move changes the central pawn contact; from e5 it attacks Black's pawn on d6.

    Fixed engine check: Recorded move; gxh5 ranked higher · e5 Qe6 Be4 d5.

  16. 18...Qh6 Reposition the queen

    Board fact: Black moves the queen from g6 to h6; from there it controls d6, e6 and f6.

    Fixed engine check: Near the leading choice · Qh6 exd6.

  17. 19.exd6 Exchange on d6

    Board fact: White's pawn takes the pawn on d6; the move changes the central pawn contact; White accepts doubled pawns on the d-file; from d6 it attacks Black's knight on e7 and Black's pawn on c7; material is level after the capture.

    Fixed engine check: Ranked first · exd6 Nd5 Qd2 Nxe3+.

  18. 19...cxd6 Recapture on d6

    Board fact: Black's pawn recaptures the pawn on d6; the move changes the central pawn contact; black is ahead by 1 conventional material point after the capture.

    Fixed engine check: Near the leading choice · cxd6 Qd2 Qe6 c4.

  19. 20.gxh5 Exchange on h5

    Board fact: White's pawn takes the pawn on h5; the pawn is now passed; the move changes the central pawn contact; material is level after the capture.

    Fixed engine check: Recorded move; Qd2 ranked higher · gxh5 f5 Bd2 f4.

  20. 20...f5 Advance a passed pawn

    Board fact: Black moves the pawn from f7 to f5; the pawn is now passed; from there it controls e4.

    Fixed engine check: Ranked first · f5 Rh1 f4 Bd2.

  21. 21.Ng1 Reroute the knight

    Board fact: White moves the knight from e2 to g1; from there it controls f3.

    Fixed engine check: Near the leading choice · Ng1 Kb8 Qf3 f4.

  22. 21...f4 Advance a passed pawn

    Board fact: Black moves the pawn from f5 to f4; the pawn is now passed; from f4 it attacks White's bishop on e3.

    Fixed engine check: Ranked first · f4 Bd2 Kb8 a4.

  23. 22.Bd2 Create pressure on f4

    Board fact: White moves the bishop from e3 to d2; from d2 it attacks Black's pawn on f4.

    Fixed engine check: Ranked first · Bd2 Kb8 a4 Nf5.

  24. 22...g4 Advance a passed pawn

    Board fact: Black moves the pawn from g5 to g4; the pawn is now passed; from there it controls f3.

    Fixed engine check: Near the leading choice · g4 Nxg4 Qg5 Nh3.

  25. 23.Nxg4 Exchange on g4

    Board fact: White's knight takes the pawn on g4; from g4 it attacks Black's queen on h6; white is ahead by 1 conventional material point after the capture.

    Fixed engine check: Ranked first · Nxg4 Qg5 Be2 Qxh5.

  26. 23...Qxh5 Exchange on h5

    Board fact: Black's queen takes the pawn on h5; from h5 it attacks White's knight on g4; material is level after the capture.

    Fixed engine check: Ranked first · Qxh5 Nh2 Qh6 Ngf3.

  27. 24.Be2 Create pressure on a6

    Board fact: White moves the bishop from d3 to e2; from e2 it attacks Black's pawn on a6.

    Fixed engine check: Recorded move; Nh2 ranked higher · Be2 Rg8 Nh3 Bxd4.

  28. 24...f3+ A forcing check

    Board fact: Black moves the pawn from f4 to f3; the move checks White's king; the pawn is now passed; from f3 it attacks White's bishop on e2.

    Fixed engine check: Recorded move; Nxd4 ranked higher · f3+ Bxf3 Rxf3 Qxf3.

  29. 25.Rxf3 Answering the check

    Board fact: White's rook takes the pawn on f3; the rook now occupies the open f-file; from f3 it attacks Black's rook on f8; white is ahead by 1 conventional material point after the capture.

    Fixed engine check: Near the leading choice · Rxf3 Qxg4+ Rg3 Qf5.

  30. 25...Qxg4+ Capture with check on g4

    Board fact: Black's queen takes the knight on g4; the move checks White's king; from g4 it attacks White's rook on f3 and White's pawn on d4; black is ahead by 2 conventional material points after the capture.

    Fixed engine check: Ranked first · Qxg4+ Rg3 Qf5 Nh3.

  31. 26.Rg3 Answering the check

    Board fact: White answers the check by moving the rook from f3 to g3; the rook now occupies the open g-file; from g3 it attacks Black's queen on g4.

    Fixed engine check: Ranked first · Rg3 Qe4+ Bf3 Qh7.

  32. 26...Qe4+ A forcing check

    Board fact: Black moves the queen from g4 to e4; the move checks White's king; from e4 it attacks White's bishop on e2 and White's pawn on d4.

    Fixed engine check: Ranked first · Qe4+ Bf3 Qh7 Qb3.

  33. 27.Bf3 Answering the check

    Board fact: White answers the check by moving the bishop from e2 to f3; from f3 it attacks Black's queen on e4.

    Fixed engine check: Ranked first · Bf3 Qh7 Bg5 Rh8.

  34. 27...Rxf3 Exchange on f3

    Board fact: Black's rook takes the bishop on f3; the rook now occupies the open f-file; from f3 it attacks White's rook on g3 and White's pawn on c3; black is ahead by 5 conventional material points after the capture.

    Fixed engine check: Recorded move; Qh7 ranked higher · Rxf3 Qxf3.

  35. 28.Qxf3 Recapture on f3

    Board fact: White's queen recaptures the rook on f3; from f3 it attacks Black's queen on e4; material is level after the capture.

    Fixed engine check: Ranked first · Qxf3 Qh7 Qf7 Nf5.

  36. 28...Qh7 Reposition the queen

    Board fact: Black moves the queen from e4 to h7; from there it controls e4, d3 and f5.

    Fixed engine check: Playable; Qc2 ranked higher · Qh7 Qf7 Nf5 Rh3.

  37. 29.Ne2 Develop the knight

    Board fact: White develops the knight from g1 to e2; from there it controls d4, c3 and f4.

    Fixed engine check: Playable; Qf7 ranked higher · Ne2 Rh8 Kf2 Nf5.

  38. 29...Ne5 Create pressure on f3

    Board fact: Black moves the knight from c6 to e5; from e5 it attacks White's queen on f3.

    Fixed engine check: Ranked first · Ne5 dxe5 Bc6 exd6.

  39. 30.dxe5 Exchange on e5

    Board fact: White's pawn takes the knight on e5; the move changes the central pawn contact; from e5 it attacks Black's pawn on d6; white is ahead by 3 conventional material points after the capture.

    Fixed engine check: Near the leading choice · dxe5 Bc6 exd6 Bxf3+.

  40. 30...Bc6 Create pressure on f3

    Board fact: Black moves the bishop from d7 to c6; from c6 it attacks White's queen on f3.

    Fixed engine check: Ranked first · Bc6 exd6 Bxf3+ Rxf3.

  41. 31.exd6 Exchange on d6

    Board fact: White's pawn takes the pawn on d6; the pawn is now passed; the move changes the central pawn contact; from d6 it attacks Black's knight on e7; white is ahead by 4 conventional material points after the capture.

    Fixed engine check: Ranked first · exd6 Bxf3+ Rxf3 Qg6+.

  42. 31...Bxf3+ Capture with check on f3

    Board fact: Black's bishop takes the queen on f3; the move checks White's king; from f3 it attacks White's knight on e2; black is ahead by 5 conventional material points after the capture.

    Fixed engine check: Ranked first · Bxf3+ Rxf3 Nc6 Bf4.

  43. 32.Rxf3 Recapture on f3

    Board fact: White's rook recaptures the bishop on f3; the rook now occupies the open f-file; from f3 it reinforces the pawn on c3; black is ahead by 2 conventional material points after the capture.

    Fixed engine check: Ranked first · Rxf3 Nc6 Ng3 Qc2.

  44. 32...Nf5 Create pressure on d6

    Board fact: Black moves the knight from e7 to f5; from f5 it attacks White's pawn on d6.

    Fixed engine check: Ranked first · Nf5 Rh1 Qg6+ Kf2.

  45. 33.Rh1 Rook on the open h-file

    Board fact: White moves the rook from a1 to h1; the rook now occupies the open h-file; from h1 it attacks Black's queen on h7.

    Fixed engine check: Ranked first · Rh1 Qg6+ Kf2 Nxd6.

  46. 33...Qg6+ A forcing check

    Board fact: Black moves the queen from h7 to g6; the move checks White's king; from g6 it attacks White's pawn on d6.

    Fixed engine check: Ranked first · Qg6+ Kf1 Nxd6 Bf4.

  47. 34.Kf2 Answering the check

    Board fact: White answers the check by moving the king from g2 to f2; from there it controls e3 and f3.

    Fixed engine check: Ranked first · Kf2 Nxd6 Bf4 Ne4+.

  48. 34...Nxd6 Exchange on d6

    Board fact: Black's knight takes the pawn on d6; from d6 it reinforces the pawn on b7; black is ahead by 3 conventional material points after the capture.

    Fixed engine check: Ranked first · Nxd6 Bf4 Ne4+ Ke1.

  49. 35.Be3 Reposition the bishop

    Board fact: White moves the bishop from d2 to e3; from there it controls d4, c5 and f4.

    Fixed engine check: Playable; Bf4 ranked higher · Be3 Be5 Bb6 Ne4+.

  50. 35...Ne4+ A forcing check

    Board fact: Black moves the knight from d6 to e4; the move checks White's king; from e4 it attacks White's pawn on c3.

    Fixed engine check: Ranked first · Ne4+ Ke1 Nc5 Rhf1.

  51. 36.Ke1 Answering the check

    Board fact: White answers the check by moving the king from f2 to e1; from e1 it reinforces the knight on e2.

    Fixed engine check: Ranked first · Ke1 Nc5 Kf2 Nd3+.

  52. 36...Qe6 Create pressure on a2

    Board fact: Black moves the queen from g6 to e6; from e6 it attacks White's pawn on a2.

    Fixed engine check: Ranked first · Qe6 Rf4 Qxa2 Rhh4.

  53. 37.Rg1 Rook on the open g-file

    Board fact: White moves the rook from h1 to g1; the rook now occupies the open g-file; from g1 it attacks Black's bishop on g7.

    Fixed engine check: Playable; Bc1 ranked higher · Rg1 Bf6 Rf4 Qxa2.

  54. 37...Bf6 Create pressure on c3

    Board fact: Black moves the bishop from g7 to f6; from f6 it attacks White's pawn on c3.

    Fixed engine check: Ranked first · Bf6 Nd4 Qxa2 Rxf6.

PGN

[Event "Berlin m1"] [Site "?"] [Date "1855.??.??"] [White "Mayet, Carl"] [Black "Anderssen, Adolf"] [Result "0-1"] 1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 g5 5. d4 Bg7 6. Nc3 Ne7 7. g3 fxg3 8. Kg2 Qh6 9. hxg3 Qg6 10. Nh3 h6 11. Rf1 Rf8 12. Be3 a6 13. Bd3 d6 14. g4 Nbc6 15. Nf2 Bd7 16. Ne2 O-O-O 17. c3 h5 18. e5 Qh6 19. exd6 cxd6 20. gxh5 f5 21. Ng1 f4 22. Bd2 g4 23. Nxg4 Qxh5 24. Be2 f3+ 25. Rxf3 Qxg4+ 26. Rg3 Qe4+ 27. Bf3 Rxf3 28. Qxf3 Qh7 29. Ne2 Ne5 30. dxe5 Bc6 31. exd6 Bxf3+ 32. Rxf3 Nf5 33. Rh1 Qg6+ 34. Kf2 Nxd6 35. Be3 Ne4+ 36. Ke1 Qe6 37. Rg1 Bf6 0-1

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:ee3bc31d7dfdff3e6a7f4d0332ace0fe9c9cc96f1c425859478a2f4d425d8127 and pins it in the selection manifest.
Exact Figshare tags:
White="Mayet, Carl"; Black="Anderssen, Adolf"; Event="Berlin m1"; Date="1855.??.??"; Result="0-1". 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.

Try today's selected positionsOpen the analysis board

Continue with another game

For a method you can apply to your own games, continue with studying model games and advanced candidate selection.