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Classic game replay

William Addison vs Robert James Fischer, 1963

This replay preserves the complete 76-ply score of Fischer playing Black across 38 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
William Addison
Black
Robert James Fischer
Event
USA-ch
Year
1963
Result
0-1
Opening
C70 Ruy Lopez: Morphy Defense, Norwegian Variation

Opening reference: Ruy Lopez: Morphy Defense, Norwegian Variation (C70).

In this game, 20 half-moves are labelled opening, 56 middlegame and 0 endgame. The score contains 16 captures and 2 checks or mates; before a recorded move, the position offered a median of 32 legal choices. The source score ends after 38...Rxc4 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. 11...c5 — Create pressure on d411...c5 was a leading choice in the fixed engine check.
  2. 17...h5 — Advance the h-pawn17...h5 was a leading choice in the fixed engine check.
  3. 21...Qc6 — Create pressure on g221...Qc6 was a leading choice in the fixed engine check.
  4. 29...Ke6 — Create pressure on e529...Ke6 was a leading choice in the fixed engine check.
  5. 36...gxf3 — Exchange on f336...gxf3 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.

♜♞♝♛♚♝♞♜♟♟♟♟♟♟♟♟♟♟♟♟♟♟♟♟♜♞♝♛♚♝♞♜
William Addison vs Robert James Fischer, 1963

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...d5

  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.Bb5 Develop the bishop

    Board fact: White develops the bishop from f1 to b5; from b5 it attacks Black's knight on c6.

    Fixed engine check: Ranked first · Bb5 a6.

  6. 3...a6 Create pressure on b5

    Board fact: Black moves the pawn from a7 to a6; from a6 it attacks White's bishop on b5.

    Fixed engine check: Ranked first · a6.

  7. 4.Ba4 Create pressure on c6

    Board fact: White moves the bishop from b5 to a4; from a4 it attacks Black's knight on c6.

    Fixed engine check: Ranked first · Ba4 Nf6.

  8. 4...b5 Create pressure on a4

    Board fact: Black moves the pawn from b7 to b5; from b5 it attacks White's bishop on a4.

    Fixed engine check: Ranked first · b5 Bb3.

  9. 5.Bb3 Create pressure on f7

    Board fact: White moves the bishop from a4 to b3; from b3 it attacks Black's pawn on f7.

    Fixed engine check: Ranked first · Bb3 Bb7.

  10. 5...Na5 Create pressure on b3

    Board fact: Black moves the knight from c6 to a5; from a5 it attacks White's bishop on b3.

    Fixed engine check: Ranked first · Na5 Nxe5.

  11. 6.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 pawn on e5.

    Fixed engine check: Near the leading choice · d4 exd4 O-O Nxb3.

  12. 6...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; black is ahead by 1 conventional material point after the capture.

    Fixed engine check: Ranked first · exd4 Qxd4.

  13. 7.Qxd4 Recapture on d4

    Board fact: White's queen recaptures the pawn on d4; from d4 it attacks Black's pawn on d7 and Black's pawn on g7; material is level after the capture.

    Fixed engine check: Ranked first · Qxd4 Nxb3 axb3 Qf6.

  14. 7...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 Nc3 Nxb3 axb3.

  15. 8.c3 Advance the c-pawn

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

    Fixed engine check: Playable; Nc3 ranked higher · c3.

  16. 8...Nxb3 Exchange on b3

    Board fact: Black's knight takes the bishop on b3; from b3 it attacks White's queen on d4 and White's rook on a1; black is ahead by 3 conventional material points after the capture.

    Fixed engine check: Ranked first · Nxb3 axb3 Bb7 O-O.

  17. 9.axb3 Recapture on b3

    Board fact: White's pawn recaptures the knight on b3; the move changes the central pawn contact; White accepts doubled pawns on the b-file; material is level after the capture.

    Fixed engine check: Ranked first · axb3.

  18. 9...Bb7 Develop the bishop

    Board fact: Black develops the bishop from c8 to b7; from b7 it attacks White's pawn on e4.

    Fixed engine check: Ranked first · Bb7 O-O Nc6 Qd3.

  19. 10.Bf4 Develop the bishop

    Board fact: White develops the bishop from c1 to f4; from f4 it attacks Black's pawn on c7.

    Fixed engine check: Near the leading choice · Bf4 d5.

  20. 10...d5 Change the pawn structure

    Board fact: Black moves the pawn from d7 to d5; the move changes the central pawn contact; from d5 it attacks White's pawn on e4.

    Fixed engine check: Ranked first · d5 exd5 Nxd5 O-O.

Middlegame · 11.e5 to 38...Rxc4

  1. 11.e5 Change the pawn structure

    Board fact: White moves the pawn from e4 to e5; the move changes the central pawn contact; from there it controls d6 and f6.

    Fixed engine check: Near the leading choice · e5 c5 Qd3 Ng6.

  2. 11...c5 Create pressure on d4

    Board fact: Black moves the pawn from c7 to c5; from c5 it attacks White's queen on d4.

    Fixed engine check: Ranked first · c5 Qd3 Ng6 Bg3.

  3. 12.Qd3 Create pressure on b5

    Board fact: White moves the queen from d4 to d3; from d3 it attacks Black's pawn on b5 and Black's pawn on d5.

    Fixed engine check: Ranked first · Qd3 Ng6 Bg3 Be7.

  4. 12...Ng6 Create pressure on f4

    Board fact: Black moves the knight from e7 to g6; from g6 it attacks White's bishop on f4 and White's pawn on e5.

    Fixed engine check: Ranked first · Ng6 Bg3.

  5. 13.Bg3 Reposition the bishop

    Board fact: White moves the bishop from f4 to g3; from there it controls e5 and f4.

    Fixed engine check: Ranked first · Bg3 Be7 O-O O-O.

  6. 13...Be7 Develop the bishop

    Board fact: Black develops the bishop from f8 to e7; from there it controls c5, d6 and f6.

    Fixed engine check: Ranked first · Be7 O-O O-O b4.

  7. 14.Nbd2 Develop the knight

    Board fact: White develops the knight from b1 to d2; from there it controls e4, c4 and f3.

    Fixed engine check: Ranked first · Nbd2 Nf8 O-O Ne6.

  8. 14...Nf8 Reroute the knight

    Board fact: Black moves the knight from g6 to f8; from there it controls e6.

    Fixed engine check: Ranked first · Nf8 O-O.

  9. 15.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: Ranked first · O-O Ne6 Rfd1 d4.

  10. 15...Ne6 Develop the knight

    Board fact: Black develops the knight from f8 to e6; from there it controls d4, c5 and f4.

    Fixed engine check: Ranked first · Ne6 b4 cxb4 cxb4.

  11. 16.Rad1 Rook on the semi-open d-file

    Board fact: White moves the rook from a1 to d1; the rook now works on a semi-open d-file; from d1 it reinforces the rook on f1.

    Fixed engine check: Near the leading choice · Rad1 h5.

  12. 16...g5 Advance the g-pawn

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

    Fixed engine check: Near the leading choice · g5 Nxg5.

  13. 17.h3 Advance the h-pawn

    Board fact: White moves the pawn from h2 to h3.

    Fixed engine check: Ranked first · h3 h5 b4 g4.

  14. 17...h5 Advance the h-pawn

    Board fact: Black moves the pawn from h7 to h5.

    Fixed engine check: Ranked first · h5 b4 g4 hxg4.

  15. 18.Rfe1 Improve the rook

    Board fact: White moves the rook from f1 to e1; from there it controls e4, e5 and e3.

    Fixed engine check: Ranked first · Rfe1 Qb6 b4 c4.

  16. 18...Qb6 Reposition the queen

    Board fact: Black moves the queen from d8 to b6; from there it controls c5, c6 and d6.

    Fixed engine check: Ranked first · Qb6 b4 cxb4 Nb3.

  17. 19.Nf1 Reroute the knight

    Board fact: White moves the knight from d2 to f1; from there it controls e3.

    Fixed engine check: Playable; b4 ranked higher · Nf1 d4 cxd4 cxd4.

  18. 19...d4 Change the pawn structure

    Board fact: Black moves the pawn from d5 to d4; the move changes the central pawn contact; from d4 it attacks White's pawn on c3.

    Fixed engine check: Ranked first · d4 N1d2 g4 Nh4.

  19. 20.N3d2 Reroute the knight

    Board fact: White moves the knight from f3 to d2; from there it controls e4, c4 and f3.

    Fixed engine check: Near the leading choice · N3d2 Qc6.

  20. 20...g4 Create pressure on h3

    Board fact: Black moves the pawn from g5 to g4; from g4 it attacks White's pawn on h3.

    Fixed engine check: Ranked first · g4 h4.

  21. 21.h4 Advance the h-pawn

    Board fact: White moves the pawn from h3 to h4.

    Fixed engine check: Ranked first · h4 Qc6 Ne4 O-O-O.

  22. 21...Qc6 Create pressure on g2

    Board fact: Black moves the queen from b6 to c6; from c6 it attacks White's pawn on g2.

    Fixed engine check: Ranked first · Qc6 Ne4 O-O-O c4.

  23. 22.Qe4 Create pressure on c6

    Board fact: White moves the queen from d3 to e4; from e4 it attacks Black's queen on c6 and Black's pawn on d4.

    Fixed engine check: Playable; Ne4 ranked higher · Qe4 O-O-O Ra1 Qxe4.

  24. 22...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 Qxc6+ Bxc6 Ra1.

  25. 23.Qxc6+ Capture with check on c6

    Board fact: White's queen takes the queen on c6; the move checks Black's king; from c6 it attacks Black's bishop on b7 and Black's knight on e6; white is ahead by 9 conventional material points after the capture.

    Fixed engine check: Near the leading choice · Qxc6+ Bxc6.

  26. 23...Bxc6 Recapture on c6

    Board fact: Black's bishop recaptures the queen on c6; from c6 it attacks White's pawn on g2; material is level after the capture.

    Fixed engine check: Ranked first · Bxc6 Rc1 Kb7 Ne4.

  27. 24.c4 Create pressure on b5

    Board fact: White moves the pawn from c3 to c4; from c4 it attacks Black's pawn on b5.

    Fixed engine check: Ranked first · c4 Kc7 Ne4 Bxe4.

  28. 24...Kd7 Reposition the king

    Board fact: Black moves the king from c8 to d7; from there it controls c6, d6 and e6.

    Fixed engine check: Ranked first · Kd7.

  29. 25.Ra1 Rook on the semi-open a-file

    Board fact: White moves the rook from d1 to a1; the rook now works on a semi-open a-file; from a1 it attacks Black's pawn on a6.

    Fixed engine check: Ranked first · Ra1 Ra8 Ra2 Rhb8.

  30. 25...Ra8 Improve the rook

    Board fact: Black moves the rook from d8 to a8; from a8 it reinforces the rook on h8.

    Fixed engine check: Ranked first · Ra8 Ra2 Rhb8 Ne4.

  31. 26.Ne4 Create pressure on c5

    Board fact: White moves the knight from d2 to e4; from e4 it attacks Black's pawn on c5.

    Fixed engine check: Ranked first · Ne4 Bxe4 Rxe4 bxc4.

  32. 26...Bxe4 Exchange on e4

    Board fact: Black's bishop takes the knight on e4; from e4 it attacks White's pawn on g2; black is ahead by 3 conventional material points after the capture.

    Fixed engine check: Ranked first · Bxe4 Rxe4 Rhb8 Ra2.

  33. 27.Rxe4 Recapture on e4

    Board fact: White's rook recaptures the bishop on e4; from e4 it attacks Black's pawn on d4 and Black's pawn on g4; material is level after the capture.

    Fixed engine check: Ranked first · Rxe4 Rhb8 Ra2 Bf8.

  34. 27...Ng7 Reroute the knight

    Board fact: Black moves the knight from e6 to g7; from there it controls e6 and f5.

    Fixed engine check: Recorded move; Rhb8 ranked higher · Ng7 e6+ Nxe6 Re5.

  35. 28.Nd2 Develop the knight

    Board fact: White develops the knight from f1 to d2; from there it controls e4, c4 and f3.

    Fixed engine check: Playable; e6+ ranked higher · Nd2.

  36. 28...Nf5 Create pressure on g3

    Board fact: Black moves the knight from g7 to f5; from f5 it attacks White's bishop on g3 and White's pawn on h4.

    Fixed engine check: Ranked first · Nf5 Bf4 Bxh4 b4.

  37. 29.Rf4 Create pressure on f5

    Board fact: White moves the rook from e4 to f4; from f4 it attacks Black's knight on f5 and Black's pawn on d4.

    Fixed engine check: Recorded move; Bf4 ranked higher · Rf4 Ke6.

  38. 29...Ke6 Create pressure on e5

    Board fact: Black moves the king from d7 to e6; from e6 it attacks White's pawn on e5.

    Fixed engine check: Ranked first · Ke6 Ne4 Rhb8 Nd6.

  39. 30.Ne4 Create pressure on c5

    Board fact: White moves the knight from d2 to e4; from e4 it attacks Black's pawn on c5.

    Fixed engine check: Ranked first · Ne4 Rhb8 Nd6 Nxg3.

  40. 30...bxc4 Exchange on c4

    Board fact: Black's pawn takes the pawn on c4; the move changes the central pawn contact; Black accepts doubled pawns on the c-file; from c4 it attacks White's pawn on b3; black is ahead by 1 conventional material point after the capture.

    Fixed engine check: Near the leading choice · bxc4 bxc4.

  41. 31.bxc4 Recapture on c4

    Board fact: White's pawn recaptures the pawn on c4; the move changes the central pawn contact; material is level after the capture.

    Fixed engine check: Ranked first · bxc4 a5 Nd6 Nxg3.

  42. 31...Rhb8 Rook on the semi-open b-file

    Board fact: Black moves the rook from h8 to b8; the rook now works on a semi-open b-file; from b8 it attacks White's pawn on b2.

    Fixed engine check: Ranked first · Rhb8 Ra5 d3 Kh2.

  43. 32.Ra2 Rook on the semi-open a-file

    Board fact: White moves the rook from a1 to a2; the rook now works on a semi-open a-file; from a2 it attacks Black's pawn on a6.

    Fixed engine check: Recorded move; Ra5 ranked higher · Ra2 Rb4 f3 Rxc4.

  44. 32...Rb4 Rook on the semi-open b-file

    Board fact: Black moves the rook from b8 to b4; the rook now works on a semi-open b-file; from b4 it attacks White's pawn on b2 and White's pawn on c4.

    Fixed engine check: Near the leading choice · Rb4 Ra1 Rxb2 Nd6.

  45. 33.Nd2 Reroute the knight

    Board fact: White moves the knight from e4 to d2; from there it controls e4, c4 and f3.

    Fixed engine check: Playable; Ra1 ranked higher · Nd2 Nxh4.

  46. 33...Nxh4 Exchange on h4

    Board fact: Black's knight takes the pawn on h4; from h4 it attacks White's pawn on g2; black is ahead by 1 conventional material point after the capture.

    Fixed engine check: Near the leading choice · Nxh4 Ne4 Rxc4 Ra1.

  47. 34.Bxh4 Recapture on h4

    Board fact: White's bishop recaptures the knight on h4; from h4 it attacks Black's bishop on e7; white is ahead by 2 conventional material points after the capture.

    Fixed engine check: Ranked first · Bxh4 Bxh4 Ne4 Rxc4.

  48. 34...Bxh4 Recapture on h4

    Board fact: Black's bishop recaptures the bishop on h4; from h4 it attacks White's pawn on f2; black is ahead by 1 conventional material point after the capture.

    Fixed engine check: Ranked first · Bxh4 Ne4 Rxc4 Ra5.

  49. 35.Re4 Create pressure on d4

    Board fact: White moves the rook from f4 to e4; from e4 it attacks Black's pawn on d4 and Black's pawn on g4.

    Fixed engine check: Playable; Ne4 ranked higher · Re4 a5 Kf1 a4.

  50. 35...Bg5 Create pressure on d2

    Board fact: Black moves the bishop from h4 to g5; from g5 it attacks White's knight on d2.

    Fixed engine check: Ranked first · Bg5 f4 gxf3 Nxf3.

  51. 36.f4 Create pressure on g5

    Board fact: White moves the pawn from f2 to f4; from f4 it attacks Black's bishop on g5.

    Fixed engine check: Ranked first · f4 gxf3 Nxf3 Be3+.

  52. 36...gxf3 Exchange on f3

    Board fact: Black's pawn takes the pawn on f3; the move changes the central pawn contact; Black accepts doubled pawns on the f-file; from f3 it attacks White's pawn on g2; black is ahead by 2 conventional material points after the capture.

    Fixed engine check: Ranked first · gxf3 Nxf3 Be3+ Kf1.

  53. 37.Nxf3 Recapture on f3

    Board fact: White's knight recaptures the pawn on f3; from f3 it attacks Black's bishop on g5 and Black's pawn on d4; black is ahead by 1 conventional material point after the capture.

    Fixed engine check: Ranked first · Nxf3 Be3+ Kh2 Rxc4.

  54. 37...Be3+ A forcing check

    Board fact: Black moves the bishop from g5 to e3; the move checks White's king; from there it controls d4 and f4.

    Fixed engine check: Ranked first · Be3+ Kf1 Rxc4 Ke2.

  55. 38.Kh2 Answering the check

    Board fact: White answers the check by moving the king from g1 to h2; from h2 it reinforces the pawn on g2.

    Fixed engine check: Ranked first · Kh2 a5 Rh4 Rxc4.

  56. 38...Rxc4 Exchange on c4

    Board fact: Black's rook takes the pawn on c4; from c4 it reinforces the pawn on c5; black is ahead by 2 conventional material points after the capture.

    Fixed engine check: Ranked first · Rxc4.

PGN

[Event "USA-ch"] [Site "?"] [Date "1963.??.??"] [White "Addison, William"] [Black "Fischer, Robert James"] [Result "0-1"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Na5 6. d4 exd4 7. Qxd4 Ne7 8. c3 Nxb3 9. axb3 Bb7 10. Bf4 d5 11. e5 c5 12. Qd3 Ng6 13. Bg3 Be7 14. Nbd2 Nf8 15. O-O Ne6 16. Rad1 g5 17. h3 h5 18. Rfe1 Qb6 19. Nf1 d4 20. N3d2 g4 21. h4 Qc6 22. Qe4 O-O-O 23. Qxc6+ Bxc6 24. c4 Kd7 25. Ra1 Ra8 26. Ne4 Bxe4 27. Rxe4 Ng7 28. Nd2 Nf5 29. Rf4 Ke6 30. Ne4 bxc4 31. bxc4 Rhb8 32. Ra2 Rb4 33. Nd2 Nxh4 34. Bxh4 Bxh4 35. Re4 Bg5 36. f4 gxf3 37. Nxf3 Be3+ 38. Kh2 Rxc4 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 sha256:3534c61c2c282fcec1c9a1b860b79c4a09818bc077785ee5244853257c7f0872 and pins it in the selection manifest.
Exact Figshare tags:
White="Addison, William"; Black="Fischer, Robert James"; Event="USA-ch"; Date="1963.12.26"; 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.

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