Chandler – MacRéamoinn, Dundrum simul 1984

Murray Chandler’s visit to Ireland in January 1984 saw him play four large simuls in as many days, in Dundrum, Trinity, Skerries, and Cork. In the opening event, at Dundrum C.C. on January 18, 1984, Chandler won 24 or 25 (accounts vary), drew 2, and lost 1, to Brian MacRéamoinn from the host club.

Brian’s win appeared in Fiacla Fichille in December 1984, but has never made its way into any databases. He won a pawn relatively easily in the opening, and after many exchanges the diagrammed position was reached.

Chandler - MacReamoinn, Dundrum simul 1984

Chandler – MacRéamoinn, Dundum simul 1984
41. ?

Chandler now played the disastrous 41. g4?? and had to resign after 41… Be3.

Was Black winning anyway? I’m not sure, but if forced to guess I would say not. It’s not at all evident how he can convert after, say 41. Ra3; suggestions are welcome.

[Click to replay the full game.]

This game appeared on pages 14 and 15 of the December 1984 issue of Fiacla Fichille. I had a copy of page 14 which I made in June 2010 (one of my own games is at the top of that page). Tony Foley very helpfully contributed page 15 earlier this week, for which many thanks.

The anonymous annotator in Fiacla Fichille commented that

“Chandler soon recovered from this setback and went on to take a brilliant 2nd. in a prestigious London tournament.”

This refers to the Philips and Drew / GLC Kings tournament in April-May 1984, a 14-player all-play-all, won by Karpov, with Chandler and Polugaevsky sharing second on 8/13, ahead of Timman, Ribli, Seirawan, Korchnoi, Vaganian, Andersson, Miles, Speelman, Mestel, Nunn, and Torre.

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Heidenfeld – Coldrick, Irish Championship 1973

Andy Ansel has sent another game from the Irish Championship 1973, the round 4 encounter between Wolfgang Heidenfeld and Art Coldrick, which appeared in the South African Chessplayer, May 1974. Many thanks, Andy!

Heidenfeld was defending champion, and was playing in his last Irish championship. After an indifferent start he was 1½ points off the lead after three rounds, but then embarked on a run of three consecutive wins to sit just ½ point off the lead after round 6. He could only draw his last three games, to finish in joint 3rd-4th place with Paul Cassidy, a point behind Hugh MacGrillen.

Heidenfeld - Coldrick, irish Championship 1973

Heidenfeld – Coldrick, Irish Championship 1973
30… ?

The game against Coldrick started the comeback. The diagram shows the critical position. After 30… exf5 31. Qxf5+ Kd8, White’s advantage would be modest enough. Instead after the game’s 30… Nc7? 31. f6, Black was already lost: his pieces become catastrophically tied up. The finish was 31… Bd8 32. Nf4 Ke8 (32… Nb5 33. Nxe6!) 33. Be3 b6 34. Nh5 Kd7 35. Bh6 Qe8 36. Ng7 Qf8 37. Nf5 1‑0.

[Click to replay the full game.]

The tournament report has been updated accordingly.

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Irish Championship 1980, contd.

I’m delighted to report that David McAlister has found several more games from this event. Here’s an excerpt from his email explaining the background:

“Opening some storage boxes in preparation for further organising my new study I came across my trove of Tom Clarke scoresheets.

Despite my previous pessimism it turns out that Tom had kept scoresheets from the 1980 Irish Championship – 5 of his own games (without a duplicate for his game with Jack Killane). Tom had written “COPY” on all these scoresheets so it seems he had transcribed the moves from his original scoresheets (probably made my task easier!).


As an added bonus, Tom also had the scoresheet from Allen-Delaney in round 2 – I am reasonably certain it is Keith Allen’s scoresheet – certainly not Tom’s writing even if you ignore the German algebraic used. The scoresheet looks like it has been crumpled up and thrown in a wastebasket and then retrieved and flattened out. Probably, as Tom and Keith were good friends, Tom had acquired the scoresheet to help prepare for his Round 8 game with Delaney. [Incidentally that game ends just as it is getting interesting with White worse (maybe quite a bit worse) but it is sharp – Delaney may have offered a draw because of his tournament position.]”

The most interesting game is a fragment: in Tom’s round 3 game against Guy Lyons, the score breaks off at move 9, but we know from newspaper reports that the game was adjourned. The scoresheet gives the diagrammed position, without saying whose turn it is to move.

Clarke - Lyons, Irish Championship 1980, adjourned position
Clarke – Lyons, Irish Championship 1980
Adjourned position

If it’s White to move, the position would be an easy win, after 1. Rd2 Kxf7 2. c6 Be5 3. c7; since the game ended in a draw, that seems unlikely.

So let us assume that it must be Black to move. What then? It seems that the position is very hard for White to hold; I can’t see that it is possible at all. One sample continuation might be 1… Kxf7 2. Kd5 h4 3. c6 Bd8 4. Ke5 (if 4. Kd6, the rook will be unable to stop the pawns) 4… h3 5. Rd2 Bc7+ 6. Kxf5 g3 7. Rc7+ Ke8 8. Rxc7 (second diagram).

Clarke - Lyons, Irish Championship 1980, variation
Clarke – Lyons, Irish Championship 1980, variation
8… ?

This position is within range of the Lomonosov tablebases, which show that Black is winning after either 8… h2 or 8… Kd8, e.g., 8… h2 9. Rh7 Kd8 10. c7+ Kc8 11. Ke6 g2 12. Rxh2 g1=Q.

An interesting wrinkle is that 8… g2? from the diagram only draws. After 9. Rg7 Kd8 10. c7+ Kc8, White has the problem-like 11. Ke5! (only move), with the point that after 11… h2 12. Rxg2 h1=Q 13. Rc2, Black has no useful checks, and can’t prevent White from setting up a fortress. For example, 13… Qd1 14. Rc4 Qxb3 15. Kd4, and Black cannot make any progress.

[Click to replay.] (Note that clicking the triangle at right below the board steps into variations.)

The tournament report has been updated with the new games.

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Irish Championship 1980

The Irish Championship in 1980 was held at the ‘North Mon’ in Cork, from July 12-20. The field of 24 players included top seed and newly minted national master Paul Delaney, second seed Eugene Curtin, former champions Alan Ludgate and Michael Littleton, and the local internationals Anthony McCarthy and Philip Short.

In the event, Paul Delaney dominated from start to finish, winning his first four games for a lead of a clear 1½ points over 10 (!) players on 2½, and thereafter staying a full point clear of the field. A 5-minute draw in the last round gave him the title of Irish champion for the first (and, as it turned out, only) time.

There was no tournament book, and up to now there haven’t even been any games from the event in the ICU archive. However, Alan Ludgate has provided all of his scoresheets from the event, and Gerry MacElligott has provided a pgn file of all remaining Jack Killane games, for which many thanks, so we have 17 of the 106 games played.

A full tournament report has been added here. Alan Ludgate’s scoresheets included a full set of pairings and results, without which the report would have been much less complete (missing rounds 8 and 9, and with various gaps due to adjournments in the earlier rounds).

The McDonnell – Ludgate game in round 2 lasted more than 10 hours, spread over four days, with the advantage passing back and forth, first with Ludgate, then McDonnell, then Ludgate again, before ending in a draw. Here is one interesting moment:

McDonnell - Ldugate, Irish Championship 1980

McDonnell – Ludgate, Irish Championship 1980 (2)
56… ?

Ludgate spurned a draw by repetition with the last move before the first time control, and now faces a critical decision on the last move before the second. With three minutes to spare, he played the natural 56… Rg3?. But this should lose with best play.

Instead he had to play 56… Rg4! 57. Kf5, and only then 57… Rg3. After 58. Bf1 Nd3 59. Rxh3 Rxh3 60. Bxh3, the zwischenzug has allowed White to protect the f-pawn, which would otherwise be en prise, but after 60… Ke7, Black survives.

Instead, after the game’s 56… Rg3?, White could have won via 57. Bf1! Nd3 58. Rxh3! Rxh3 59. Bxh3, since after 59… Nxf4 60. Bf1 Nh5+ 61. Kg5 Ng7 62. Kg6 Ne8 63. Kf7, Black will have to give up his c-pawn to extract the knight (59… Ke8 60. Bf1 Nc5 61. e5 is also winning for White).

[Click to replay the full game.]

Update, October 3, 2020: Shortly after posting this report, I found the flyer for the event and ICU ratings for some of the players among a treasure trove of documents provided by John Gibson, for which many thanks. The report has been updated accordingly.

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Chandler – O’Connor, Trinity simul 1984

John Saunders’ BritBase site has a newly added collection of Murray Chandler’s games 1973-1989, featuring 1,594 games played during those years. This includes several hundred new games keyed in from scans of scoresheets provided by Chandler, as well as additional auxiliary information on many of the others.

Chandler has a Facebook autobiography, open to all, chronicling his career via photographs, scoresheets, press clippings, and other images, covering these years.

Murray Chandler visited Ireland in January 1984 and gave four simuls in as many days, at Dundrum, Trinity, Skerries, and U.C.C., playing about 115 games in all (newspaper reports varied), drawing about 9, and losing 3, to Brian MacRéamoinn, John Delaney, and Jim Cheasty.

His game against Jonathan O’Connor in the Trinity simul is included in a collection of 385 of Jonathan’s games he sent me several years ago.

Chandler - O'Connor, Trinity simul 1984

Chandler – O’Connor, Trinity simul 1984
32… ?

This was a missed opportunity. Jonathan built up a winning position, but from the diagram he erred with 32… Be3+??. The game score now continues 33. Kh1 1-0, but this must be wrong: Black would then have a simple mate in two. Instead 33. Nxe3 leaves Black with nothing.

Instead 32… Bh2+! would have won, since after 33. Kxh2 Qf2, Black covers a7.

[Click to replay the full game.]

The available details on the full tour have been added to the Simuls page here.

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Johannesburg 1955, contd.

Following up on David’s recent post on Wolfgang Heidenfeld’s outstanding result in Johannesburg 1955, a tournament report has been added here, including all games from the event.

Heidenfeld’s result, finishing joint first in the event, ahead of Max Euwe in third place, and winning their individual game, was extraordinary. But the most memorable aspect of all was the game he lost, Heidenfeld – Wolpert, round 1.

For this report, Kurt Dreyer’s complete annotation from the tournament book have been added. The reader is invited to play through the game and compare notes with Dreyer. For example, how would you assess the position in the note to White’s 13th, after 17. Qxb7 ? And similarly, how would you assess the position in the note to White’s 18th, variation (a), after 22. Kxe4 ?

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Irish Championship 1973, continued

At the end of 2017, David McAlister posted here on his reconstruction of the 1973 Irish championship, held in Cork and won by Hugh MacGrillen. A total of 9 of the 81 games were available.

I’m delighted to report that Frank McMahon, who finished equal 6th in the event, has sent in all 9 of his games, for which many thanks. The report in the tournaments section has been updated accordingly.

Here is a moment from his round 2 game against Tony Dennehy:

McMahon - Dennehy, Irish Championship 1973

McMahon – Dennehy, Irish Championship 1973
65… ?

After a long struggle, Dennehy has managed to convert an opposite-coloured bishop ending into a winning position, but after 65… Ba7 66. Ka6, he erred with 66… Kc3?, when the win was gone, and a draw was agreed three moves later.

He had to play 66… Bc5, and after 67. Kb5, reaching the diagrammed position again, 67… Kd5. After 68. Bc4+ Kd6 69. Bf1 Bd4, Black will eventually be able to place White in zugzwang, e.g., W: Ke2, Bf1, a6; B: Kg1, Ba7, e3, f2, Black wins via 1… Kh1 2. Bh3 Kh2 3. Bf1 Kg3 4. Kd3 Kf3, etc..

[Click to replay the full game.]

Tony Dennehy recorded 8 draws in that event, which must have set the record for a 9-round Irish championship (equalled by Anthony Fox in 2019). This is one he could have won.

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Irish Championship 2020

The Irish Championship 2020 begins today, thanks to heroic efforts by the ICU and by local organisers at Coláiste Éanna. Best of luck to all involved!

A report has been added to the Irish championships page here, and will be updated as the event proceeds.

Update, August 1: round 1 produced several surprises. Stephen Brady was annihilated by Eoghan Casey, and Killian Delaney lost to Alex Byrne, while three of the lower boards ended in draws. Due to a problem with live boards, 7 of the game scores are incomplete for the moment.

Update, August 2: the live board feed of Daly – Venkatesan, round 1, broke off at a very interesting point. The full score has now been added; many thanks to Colm for providing it.

Update, August 2: round 2 produced another upset, with David Fitzsimons coming unstuck against Shane Melaugh, while Stephen Brady dropped another ½ point against Peter Cafolla. All games from the first two rounds, including the ones previously incomplete, are now available.

Update, August 3: round 3 saw Sam Collins outplay Conor O’Donnell in an ending to take a clear lead with 3/3, followed by Colm Daly and Tom O’Gorman (who drew today) and the Kanyamaralas (who drew with each other yesterday) on 2½. The games seemed generally much more combative today for some reason; the most spectacular was Paul Wallace’s win against Gavin Melaugh.

Update, August 5: round 4 saw draws on the top two boards, involving Sam Collins, Colm Daly, Tom O’Gorman, and Tarun Kanyamarala, with most other competitors gaining ground. Collins was ½ point ahead of five players. Round 5 upended the tight bunching, with Collins impressively winning as Black against Tarun K., and Daly winning as Black against David Fitzsimons, after a strange blunder by the latter in an equal position. For some reason, there seemed to be quite a few blunders in this round: perhaps the longer time control is causing fatigue? After round 5, Collins is ½ point ahead of Daly, and a full point ahead of a chasing pack of five players.

Update, August 6: a dramatic round 6 saw Sam Collins stumble, blundering in an equal position against Tom O’Gorman. Even then he had a late chance to rescue a half point from a completely lost ending, but missed it. Colm Daly took advantage of a blunder from another equal position to win, and move into sole lead. The game of the round, and indeed the event so far, was Killian Delaney’s hard-fought win against Conor O’Donnell. With three rounds to go, Daly leads by ½ point over Collins, O’Gorman, and Delaney.

Update, August 7: if the previous round was dramatic, round 7 was sensational. On the top board, Colm Daly emerged from the opening against Killian Delaney with a hopelessly lost position, while elsewhere the main challengers stood no better in their games. Just as a resignation seemed to be looming, though, Delaney blundered and Daly smartly capitalised. Sam Collins also won, very neatly. After round 7, Daly leads by ½ point over Collins, and a full point over Tom O’Gorman, and all possible meetings between these players have already happened. Round 8 should see Conor O’Donnell with white against Daly, and Collins with white against David Fitzsimons. All is delayed, though, because of the government’s newly announced lockdown of Laois, Offaly, and Kildare, and the draw will not be finalised until a few hours before the round.

Update, August 8: Newly imposed COVID-19 restrictions meant that three players had to sit out round 8, including Killian Delaney, who still had an outside chance of winning the event. The clash between Stephen Brady and Colm Daly on top board looked troublesome for the latter at one stage, but quickly petered out into a level position and in due course a draw. Sam Collins defeated David Fitzsimons in impressive style, while Tom O’Gorman won against Paul Wallace. Going into the last round, Collins and Daly are tied for the lead on 6½, followed by O’Gorman on 6 and Conor O’Donnell on 5½. The tie-break rules mean that any of Collins, Daly, or O’Gorman can win the title.

Update, August 9: An early win by Tom O’Gorman on board 3 left him on 7 points. Sam Collins seemed to get into difficulties out of the opening against Stephen Brady, and the game steadily went downhill for him. On board 1, Colm Daly stood marginally worse out of the opening against Conor O’Donnell, and needed to draw to take the championship to a rapid playoff, but he too did not manage to solve his problems, and he lost in one of the last games to finish. This left Tom O’Gorman as sole winner of the event, for his first Irish championship.

Overall, an excellent and entertaining event, with much fighting chess—very few draws—and plenty of drama.

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Irish championship players, updated

The lists of Irish championship players have been updated to include the 2019 championship: see the full list in descending order of number of championships played, and the same in alphabetical order.

All players from the first Irish championship in 1865 have been added; previously only 3 were included. In addition, 5 more players from the 1889 championship have been added: these were the players who did not receive odds (and were thus eligible for the title of Irish champion) but did not qualify for the final.

Two errors have been corrected: ‘J. Cummings’ (1975) was Jim Cummins, and ‘J. G. McDonnell’ (1978) was Gerard McDonnell.

In addition, the mysterious player ‘S. O’Nuadhain’ (1983) has been confirmed as Joe Noone. I had strongly suspected this, and finally found confirmation earlier this month in Alan Ludgate’s scoresheets. Coincidentally, Gerry MacElligott sent a message a few days later saying the same thing, with background.

Full player names have been added for Roger Beckett, Eugene Bergin, John Butler, Peter Carroll, Malachy Doherty, Robert Dundas, David Flannery, Seán Galligan, Seán Gilroy, Peter J. Hayes, Denis Healy, Tom Healy, Liam Hearns, Mihailo Manojlovic, Alan McDonagh, Niall McDonnell, Conor E. Murphy, Zalan Nemeth, Michael O’Brien, Alice O’Gorman, A. R. (Alexander Ritchie) Orr, Stephen Rush, Brian Walls and Michael Welsh.

Corrections are welcome, as always.

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Johannesburg 1955

In my earlier article Heidenfeld and the 1958 Irish Championship I touched upon the circumstances in which Wolfgang Heidenfeld, German born but resident in South Africa for over 20 years, came to Ireland. In Mark Orr’s broader biographical sketch Wolfgang Heidenfeld 1911-1981, in the section Chess Career, there is this snippet of information:

In 1955 he clinched first place in the last round (#1) of a South African tournament by beating former world champion Max Euwe.

That tournament was the Johannesburg International and Heidenfeld also co-authored the Tournament Book with Kurt Dreyer. (#2)

Johannesburg 1955 Tournament Book Cover

Tournament book front cover

Heidenfeld got off to a poor start in the tournament, being on the wrong side of a brilliant miniature in Round 1. The division of responsibility between the co-authors had Heidenfeld providing the round-by-round summaries for the tournament book. So here is his own take on that disastrous beginning.

None of this wood-shifting and trench warfare for Heidenfeld and Wolpert! Out into the open field battle marched their armies, with the knights jousting and the bishops and pawns doing their best to follow suit, though historically speaking, they have no business to joust. First Heidenfeld sent a bishop to his early death, for which he exacted the tribute of one of his opponent’s castles. Wolpert seemed to like the idea of levying tributes for the deaths of one’s men and began to offer his in droves, but Heidenfeld, not wanting to be involved in heavy reparations, declined offer after offer. Finally, however, a whisper ran through the ringside audience: “Heidenfeld will be mate in three.” The only one unconcerned was Heidenfeld himself – which was not due to his sangfroid in dangerous positions, but to the simple fact that he had not seen it. For this sporting return to the middle ages Wolpert later received the brilliancy prize.

Position after 10…Qxg2

Wolfgang Heidenfeld — Jack Wolpert
Johannesburg, 1955, Round 1
[Play through the game at ICU website]

1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. Nc3 Nbd7 5. Bc4 Be7 6. Bxf7+ Kxf7 7. Ng5+ Kg8 8. Ne6 Qe8 9. Nxc7 Qg6 10. Nxa8 Qxg2 [Diagram] 11. Rf1 exd4 12. Qxd4 Ne5 13. f4 Nfg4 14. Qd5+ Nf7 15. Qc4 Bh4+ 16. Kd1 Be6 17. Qe2 Nf2+ 18. Rxf2 Bxf2 19. f5 Qg1+ 20. Kd2 Ne5 [We have reached the position featured on the front cover of the Tournament Book ] 21. Nd1 Be1+ 22. Qxe1 Qd4+ and White resigned 0-1

After five rounds Euwe had collected 4.5 points, ahead of fellow-Dutchman, International  Master Willem Jan Muehring (#3) on 4.0 and Heidenfeld on 3.5. The latter two had drawn their individual game – here again is Heidenfeld in his best lyrical prose.

With the two Dutch masters in the lead so early in the tournament, the gradually increasing audiences not unreasonably expected superhuman efforts from the South African players in order to catch up with the invaders. The third round was scheduled to be the medium of one of the key games in this effort – and many spectators lounged voluptuously in their comfortable chairs, their eyes glued to the wall-boards, so as to enjoy the tremendous battle that was sure to develop between Muehring and their very own champion, W. Heidenfeld. A grim queen’s pawn was pushed on both sides, gradually warriors of higher rank entered the battle field, amid steadily mounting tension; the white pieces were at their counterparts throats, and vice versa and then at move 11, the climax was reached. Heidenfeld was observed leaning over to his opponent and those near enough distinctly heard him say in German, “Do we have to continue this boring nonsense?” Muehring vehemently agreed that they did not – whereupon both contestants took the rest of the evening off. And thus August 16th will forever be remembered as the date of one of the epic battles of history.

Returning to the situation after Round 5, the tournament appeared set up for a grandstand finish as Max Euwe still had to play his two closest pursuers in the final two rounds. First up for the former world champion was Heidenfeld, to whom we once again turn for an overview of the game.

It all started innocently enough. A slow Giuoco Piano, such as Dr. Euwe must have played scores of times in his tournament practice resulted in a lot of behind-the-scenes manoeuvring on both sides, with knights carrying important messages from one wing to the other and bishops tucked away inconspicuously in the corners. It was one such bishop that caused all the subsequent trouble when, as a result of a superficial move by the grandmaster, he became pinned against a castle, like a moth in an entomologist’s collection. Gradually the whole of the black forces had to be inconvenienced for the sake of this bishop, a stream of pilgrims from all over the world huddled around him, offering their insubstantial prayers, but all to no avail – on the 36th move his fate was sealed, and with it that of the game.

Position after 21.Rea2

Wolfgang Heidenfeld — Max Euwe
Johannesburg 1955, Round 6
[Play through the game at ICU website]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Bb6 5. d4 Qe7 6. O-O d6 7. h3 Nf6 8. Re1 O-O 9. a4 a6 10. Na3 Kh8 11. Nc2 Ng8 12. b4 f6 13. Ne3 Ba7 14. Ba3 Qe8 15. Qd3 Nce7 16. b5 axb5 17. axb5 Qh5 18. Nf1 Qe8 19. Re2 Ng6 20. Bc1 Bd7 21. Rea2 [Diagram] Qb8 22. b6 cxb6 23. Bb5 Bxb5 24. Qxb5 N8e7 25. Ne3 Nc8 26. Nd5 Nge7 27. Nxe7 Nxe7 28. dxe5 Nc6 29. exd6 Na5 30. Ba3 Rd8 31. e5 Qc8 32. Bb4 Nc6 33. Qd5 fxe5 34. Nxe5 Nxe5 35. Qxe5 Qb8 36. Qe7 b5 and Black resigned 1-0

Going into the final round it is now Muehring who is in the lead on 5 points with Euwe and Heidenfeld both a half-point behind. After commenting on the Euwe-Muehring encounter which ends in a draw (but not before the less famous Dutchman has missed a study-like win), Heidenfeld’s round report moves on to his own game. The military references this time include a name-check of a legendary 14th century Swiss soldier.

Meanwhile Wilken has played the type of game that Heidenfeld likes best to play against. After a timid opening the East Londoner loses more and more ground on the King-side, where the black infantry soon goose-steps across the equator. Behind it are assembled two rooks, two bishops, two Knights and the King, whilst the chatelaine stays behind to look after the affairs of the Queen-side where all is quiet. So much accumulated force is compressed within a narrow strip of the board that the white army is helpless against the assault when a black Winkelried on KB5 opens a breach; and suddenly the black Queen has joined her army by a flanking movement and it is she who administers the coup de grace. Thus Heidenfeld, scoring 5.5 out of 6 after his initial defeat, has caught Muehring on the finishing line.

Position after 34.hxg3

Leon Wilken – Wolfgang Heidenfeld
Johannesburg 1955, Round 7
[Play through the game on ICU website]

1.Nf3 Nf6 2.g3 g6 3.Bg2 Bg7 4.0-0 0-0 5.d3 d5 6.Nbd2 Nbd7 7.e4 e5 8.exd5 Nxd5 9.a4 c6 10.a5 f5 11.Nc4 Qc7 12.Ng5 Nc5 13.Bd2 Ne6 14.Nf3 Nd8 15.Re1 Nf7 16.c3 Bd7 17.Qc2 Rae8 18.Bh3 h6 19.Nh4 Kh7 20.Rf1 Bf6 21.Nf3 g5 22.Bg2 Kg7 23.Kh1 Ne7 24.Ng1 Ng6 25.b4 h5 26.Be3 Qb8 27.Rae1 h4 28.Ne2 Rh8 29.Kg1 g4 30.Qd2 Be6 31.Nb2 Rh7 32.c4 Reh8 33.f3 hxg3 34.hxg3 [Diagram] f4 35.gxf4 Nh4 36.fxe5 Bxe5 37.Bf4 Nxg2 38.Bxe5+ Qxe5 39.f4 Qe3+ 40.Qxe3 Nxe3 and White resigned 0-1

Group photograph and crosstable

Tournament book page 2

(#1) As this article shows, the victory over Euwe was in the penultimate round.
(#2) All Heidenfeld’s games from the tournament can be found in the ICU database. All 28 games from the tournament are available in large databases, e.g. at 365Chess.
(#3) In the tournament Book (other than in the two references on page 2, where Meuhring is incorrectly given) this is the spelling of his name used. I have encountered Muhring in internet searches. In An Illustrated Dictionary of Chess by Edward R. Brace [Hamlyn, 1977] at page 193 the spelling Mühring is given in the entry on the Dutch IM and it may well be that this is the most precise rendering of his name. Muehring is probably an acceptable alternative, as in World Championship Candidate Robert Hübner/Huebner.

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