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Rodolfo Tan Cardoso
Number of games in database: 192
Years covered: 1956 to 1978
Highest rating achieved in database: 2410

Overall record: +66 -84 =42 (45.3%)*
   * Overall winning percentage = (wins+draws/2) / total games in the database.

With the White pieces:
 Sicilian (43) 
    B91 B90 B29 B92 B23
 Sicilian Najdorf (13) 
    B91 B90 B92 B98 B99
 Ruy Lopez (12) 
    C89 C97 C80 C87 C64
 Sicilian Scheveningen (7) 
    B84 B80 B81 B83
 Ruy Lopez, Closed (7) 
    C89 C97 C87 C99 C84
 English, 1 c4 e5 (4) 
With the Black pieces:
 Sicilian (22) 
    B90 B92 B94 B93 B40
 Sicilian Najdorf (11) 
    B90 B92 B94 B93
 Robatsch (9) 
 Nimzo Indian (9) 
    E38 E40 E56 E26 E53
 Queen's Pawn Game (9) 
    A40 E10 A50
 Uncommon Opening (7) 
    A00 B00
Repertoire Explorer

NOTABLE GAMES: [what is this?]
   R Cardoso vs Bronstein, 1958 1-0
   R Cardoso vs Larsen, 1958 1/2-1/2
   I Bahgat vs R Cardoso, 1957 0-1
   R Cardoso vs Fischer, 1957 1-0
   Larsen vs R Cardoso, 1973 0-1
   Fischer vs R Cardoso, 1957 1/2-1/2
   R Cardoso vs Fischer, 1957 1/2-1/2
   R Cardoso vs Tal, 1958 1/2-1/2
   R Cardoso vs W Heidenfeld, 1958 1/2-1/2
   R Cardoso vs Chandler, 1978 1-0

NOTABLE TOURNAMENTS: [what is this?]
   Moscow Olympiad Final-C (1956)
   Munich Olympiad Final-C (1958)
   Moscow Olympiad qual-4 (1956)
   Skopje Olympiad Final-B (1972)
   Nice Olympiad qual-7 (1974)
   World Junior Championship (1957)
   Skopje Olympiad qual-8 (1972)
   Las Palmas (1975)
   Manila (1973)
   1st Burroughs Computers Grandmaster (1978)
   Munich Olympiad qual-3 (1958)
   Portoroz Interzonal (1958)

GAME COLLECTIONS: [what is this?]
   World Junior Championship, Toronto 1957 by FSR

Search Sacrifice Explorer for Rodolfo Tan Cardoso
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(born Dec-25-1937, died Aug-21-2013, 75 years old) Philippines

[what is this?]

Rodolfo Tan Cardoso was born in Anda in the Philippines in 1937. He was Philippine Champion in 1958 and 1963. Winning the Asian zonal tournament of 1957-58, Cardoso was awarded the IM title for scoring two-thirds of the possible points in the Zonal, and a berth in the Portoroz Interzonal (1958).

Cardoso finished 19th out of 21 players at the Interzonal, but his performance was notable for Rodolfo Cardoso vs Bronstein, 1958, his last-round upset of David Bronstein, which kept Bronstein out of the Bled-Zagreb-Belgrade Candidates (1959). Cardoso later remarked that he regretted that victory more than any of his losses in the tournament, since Bronstein was his idol.

Cardoso discovered the nine year old Wesley So after seeing him play queen sacrifices in junior tournaments.

Wikipedia article: Rodolfo Tan Cardoso

Last updated: 2016-12-05 19:53:59

 page 1 of 8; games 1-25 of 200  PGN Download
Game  ResultMoves YearEvent/LocaleOpening
1. R Cardoso vs B Soos  0-1371956Moscow Olympiad qual-4B45 Sicilian, Taimanov
2. Portisch vs R Cardoso ½-½741956Moscow Olympiad qual-4E30 Nimzo-Indian, Leningrad
3. R Cardoso vs G P Thibaut  1-0271956Moscow Olympiad qual-4C64 Ruy Lopez, Classical
4. D Assar vs R Cardoso  0-1721956Moscow Olympiad qual-4E17 Queen's Indian
5. R Cardoso vs Kostantinos Pavlatos  1-0381956Moscow Olympiad qual-4C84 Ruy Lopez, Closed
6. H Platz vs R Cardoso  0-1391956Moscow Olympiad qual-4C19 French, Winawer, Advance
7. R Cardoso vs J Jezek  0-1421956Moscow Olympiad qual-4B90 Sicilian, Najdorf
8. N Velandia vs R Cardoso  0-1821956Moscow Olympiad qual-4E10 Queen's Pawn Game
9. A Anastasopoulos vs R Cardoso  0-1591956Moscow Olympiad Final-CA07 King's Indian Attack
10. S Venkatraman vs R Cardoso  0-1431956Moscow Olympiad Final-CA10 English
11. R Cardoso vs Ian Middleton  ½-½581956Moscow Olympiad Final-CB56 Sicilian
12. K O'Riordan vs R Cardoso  0-1211956Moscow Olympiad Final-CC17 French, Winawer, Advance
13. R Cardoso vs P Reissmann  1-0311956Moscow Olympiad Final-CC97 Ruy Lopez, Closed, Chigorin
14. W Folz vs R Cardoso  ½-½361956Moscow Olympiad Final-CC01 French, Exchange
15. R Cardoso vs Mikhail Nazarian  1-0321956Moscow Olympiad Final-CC97 Ruy Lopez, Closed, Chigorin
16. Tserendagva vs R Cardoso  ½-½871956Moscow Olympiad Final-CA50 Queen's Pawn Game
17. R Cardoso vs G Philippe  1-0161956Moscow Olympiad Final-CB01 Scandinavian
18. G Koshnitsky vs R Cardoso  0-1451956Australian Championship 1956/57D78 Neo-Grunfeld, 6.O-O c6
19. R Cardoso vs C Purdy  1-0281956Australian Championship 1956/57E55 Nimzo-Indian, 4.e3, Gligoric System, Bronstein Variation
20. J Hanks vs R Cardoso  ½-½671957Australian Championship 1956/57A22 English
21. O Weber vs R Cardoso  1-0121957Australian Championship 1956/57D00 Queen's Pawn Game
22. R Cardoso vs K Ozols  0-1361957Australian Championship 1956/57A89 Dutch, Leningrad, Main Variation with Nc6
23. R Cardoso vs O Sarapu  0-1601957Australian Championship 1956/57B95 Sicilian, Najdorf, 6...e6
24. R Cardoso vs J Aldrete Lobo  1-0331957World Junior ChampionshipC16 French, Winawer
25. B Rabinowitz vs R Cardoso  ½-½621957World Junior ChampionshipC00 French Defense
 page 1 of 8; games 1-25 of 200  PGN Download
  REFINE SEARCH:   White wins (1-0) | Black wins (0-1) | Draws (1/2-1/2) | Cardoso wins | Cardoso loses  

Kibitzer's Corner
< Earlier Kibitzing  · PAGE 5 OF 5 ·  Later Kibitzing>
Sep-05-13  TheFocus: <mistermac> Rudy also won one game. I was hoping he had annotated it.

Bobby annotated one of their games in an obscure journal.

Premium Chessgames Member
  mistermac: <Cardoso Fischer Match>

For reader's and Focus' Information,
I put that in the site's Search function, and all the games came up.

Sep-05-13  TheFocus: <mistermac> You might want to view Game Collection: 1957 Fischer - Cardoso Match.
Premium Chessgames Member
  mistermac: That's how I got it in focus, Focus. Where the Sons Raise Mate, Fisch or Whatever.
Sep-20-13  pinoymaster77: RIP IM Rudy, nice piece by Bobby Ang :

IM Rodolfo Tan Cardoso (1937-2013)

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Chess Piece
Bobby Ang

IM RODOLFO Tan Cardoso passed away last August 21, 2013 after suffering a heart attack. He was a chess giant here in the Philippines.

Born on Christmas Day 1937 in Anda, Pangasinan, he was really the pride of Alaminos. Rudy first appeared in the local chess consciousness when he won the 1956 National Junior Championship sponsored at that time by the Manila Times Publishing Co. This victory carried with it a four-year scholarship and also entitled him to represent the country in the 1957 Toronto World Junior Championship. In those days nobody had ever heard of Asians playing chess, and so it was a bit of a surprise that he finished 5th in the event (the winner was William Lombardy, who scored 11 wins, no losses, no draws -- the first and last time anyone had ever blanked the opposition in the event). IM Rodolfo Tan Cardoso

Chess Piece -- Bobby Ang: "World Cup wrap-up"
Chess Piece -- Bobby Ang: "Games from World Cup"
Chess Piece -- Bobby Ang: "Wei Yi"
Chess Piece -- Bobby Ang: "World Cup champion"
Chess Piece -- Bobby Ang: "Two left standing"

He was the first ever Filipino to prove himself capable of competing on the world stage.

1) Philippine Champion in 1958 and 1963

2) Asian Champion in 1956 by winning the 1956 Zonals held in Baguio City. By virtue of that win he represented the continent (!) in the 1958 Portoroz Interzonal.

3) Pepsi-Cola sponsored a match between Rudy and Bobby Fischer in 1957 which the American won 6-2 with 5 wins 2 draws and 1 loss. Rudy lost the match but at least won 1 game, the only time Bobby ever lost to a Filipino.

4) IM Cardoso represented the Philippines in four Olympiads: 1956 Moscow (where he won the silver medal for best overall 4th board performance, 1958 Munich, 1972 Skopje and the 1974 “Dream Team” to the Nice Olympiad (Torre, Cardoso, Renato Naranja, Rosendo Balinas, Ramon Lontoc, Glenn Bordonada).

5) By virtue of his sparkling performance in the 1956 Moscow Olympiad the International Chess Federation gave him the International Master title. He thus became Asia’s (and the Philippines’) 1st International Master.

I will be writing a lot more about Mang Rudy, but for today let us concentrate on his most famous game.

In the 1950s David Bronstein was very highly regarded in the chess world. He was known as a creative genius and a fiery tactician

His performances during that period:

1) Won the 1948 Saltsjobaden Interzonal

2) Tied for first with Isaak Boleslavsky in the 1950 Candidates Tournament in Budapest. Bronstein became the eventual Candidates’ winner over Boleslavsky in their Moscow playoff match.

3) Fought Mikhail Botvinnik to a 12-12 draw in their 1951 World Championship match.

4) Tied for 2nd-4th places with Keres and Reshevsky in the Zurich Candidates’ Tournament behind Vassily Smyslov

5) Won the 1955 Gothenburg Interzonal

6) Tied for 3rd-7th places in the Amsterdam Candidates’ Tournament behind Vassily Smyslov and Paul Keres.

Bronstein was a big favorite to win the 1958 Portoroz Interzonal and make his 4th attempt at the world title.

Shortly before the 1958 Portoroz Interzonal a television program “I’ve Got a Secret” sponsored a trip to Moscow for Bobby Fischer. His secret on the TV show was that he was the US Chess Champion. Anyway he gave several interviews during this trip and, in response to a question on how he thought he would do in the upcoming Interzonal remarked that on the whole he would have expected to take first place, but that this would be difficult, since first place could be taken by Bronstein.

Tal remarked in his book “The Life and Games of Mikhail Tal” that this was the first and last time that Fischer voluntarily put someone else ahead of himself. * * *

Sep-20-13  pinoymaster77: Cardoso, Rodolfo Tan -- Bronstein, David I [B07]
Portoroz Interzonal (21), 1958

1.e4 d6 2.d4 g6 3.Bc4 Bg7 4.Ne2

Not in the books, but anyway Rudy does not read the books. He has his own set-up in mind with f3, Be3 and Qd2 to follow.

4...Nf6 5.Nbc3 Nbd7 6.f3 c6 7.a4 a5 8.Bb3 0-0 9.Be3 e6 10.Qd2 Rb8 11.Nd1!

Preventing 11...b5 because of 12.axb5 cxb5 13.Qxa5. If Black retakes the pawn with the rook 12...Rxb5 then 13.Ba4.

11...b6 12.Nf2 Ba6 13.g4 c5 14.h4! h5

[14...c4 15.Ba2 simply makes the wayward c-pawn a target. However, the text move is not the best either. With the benefit of hindsight Black should have played 14...Bxd2 to get the soon-to-be-powerful knight out of his hair.]

15.Ng3 hxg4 16.fxg4 d5 17.h5

[17.e5? cxd4 18.Bxd4 Nh7 wins the e5-pawn. If 19.Qe3 then 19...Qc7]

17...c4 18.Ba2

Black’s position is very bad. Cardoso is threatening e5 followed by c3 and Bb1 with a powerful kingside attack. Bronstein decides to sacrifice a pawn to get some activity plus to keep the a2-bishop shut out.

18...c3?! 19.bxc3

[19.Qxc3?! is precisely what Bronstein wanted, because of 19...Rc8 20.Qd2 Qc7 21.Bf4 (21.c3?? Qxg3) 21...Qxc2]

19...Qc7 20.e5

[20.Bf4 e5 complicates things too much.]

20...Nh7 21.Nd3

The threat is 22.hxg6 fxg6 23.Nf4.

21...g5 22.h6 Bh8 23.Nh5

[23.Bxg5? f6 white’s e-pawn is pinned]

23...Rbc8 24.Rc1

[24.Bxg5 Qxc3 25.Qxc3 Rxc3 26.Bd2 Rxc2 Black’s pieces are coming to life]

24...Qxc3 25.Qxc3 Rxc3 26.Bd2?

Cardoso slips up. He should have played 26.Kd2 and I will show you later why. Bronstein gets a chance to come up after being under pressure from the opening but his nerves fail and he continues weakly.

26...Ra3 27.Bb1

[27.Bb3? Bxd3! that is why]


He should have exchanged first with 27...Bxd3 28.cxd3 Rxa4 because now white’s bishop is shut off.

28.c3! f6?!

[28...Rc4 maintains the advantage]

29.Ng7! Ra1?

[29...fxe5 30.Nxe6 Rc8 is a good way to continue, but not 29...Bxg7?

30.hxg7 Kxg7 31.Nb2 white wins because of the double attack on h7 and a4.]


White now has the threat to win Black’s rook with 31.Bxh7+


Forced as the b1-bishop is too powerful. For example 30...Ra3 31.Nxe6 Rf7 32.Nd8 Rf8 33.e6! Rxd8 34.Bg6! wins.

31.Rxb1 fxe5 32.Nxe6 Rc8 33.Rh3 exd4 34.Nxd4 Bxd4 35.cxd4 Rc6 36.Rbb3!

Cardoso’s rook enters the game via the 3rd rank. He is already winning at this stage.

36...Kf7 37.Rbe3 Ndf6

[37...a4? 38.Bb4]

38.Re5 Re6 39.Rxe6! Kxe6 40.Rb3 Nd7 41.Nh3 Kf6 <D>

Position after 41...Kf6

The game was adjourned at this point. Next morning the envelope was opened.

42.Nxg5! 1-0

Black resigns. Everything is lost after 42.Nxg5:

1) 42...Nhf8 43.h7 Kg7 44.Rh3;

2) 42...Ndf8 43.Rxb6+;

3) 42...Kg6 43.Nxh7 Kxh7 44.Re3;

4) 42...Nxg5 43.Bxg5+ Kg6 44.Re3 Nf8 45.Be7 Nh7 46.Re6+ Kf7 47.Rxb6.

This game destroyed Bronstein. This was his first-ever loss in an Interzonal after 58 games in which he went undefeated -- the 19 games of Saltsjobaden 1948, 20 games of Goteborg 1955, and previous 19 games of Portoroz. And he never made it into the Candidates again.

“You see, that ‘fat’ point that I took from Bronstein saddened me more than any defeat at the tournament. Bronstein is my idol. Ever since I started playing chess, his games have been... (Cardoso did not continue his train of thought but simply added) That’s the way that chess is. What could I do?” (from Grandmasters in Profile by D. Bjelica).

History has not been kind to IM Rodolfo Tan Cardoso:

1) His name is misspelled in the major databases as “Radolfo”. For some reason this has never been corrected.

2) His real name is Rodolfo Tan -- this was revealed by me by Meralco chess club President Rolly Sol Cruz. As is the custom at that time Mang Rudy spelled his name as Rodolfo Tan y Cardoso and somehow the “y” dropped out.

3) And, the biggest cruelty, chess historians have often referred to Bronstein’s “big blunder” causing him to lose to the unknown player Cardoso. The implication was that Bronstein was winning but fell to a cheapo trap. Also, some sources have mentioned that electrical power failed in the playing area due to a thunderstorm around move 27, and he was unable to regain concentration. Let me state firmly that the power interruption affected both players, and that Cardoso had the edge for much of the game. At the time of 41...Kf6 Bronstein was already lost -- the move played just allowed Cardoso to spring an attractive combination.

So there.

We will continue our stories on Monday.

Sep-23-13  pinoymaster77: Bobby Ang's Chess Piece for Sept 22 :

Cardoso adventures

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Chess Piece
Bobby Ang

IM RODOLFO Tan Cardoso passed away last August 21st, 2013 after suffering a heart attack. Back in the 90s I used to go to the Agora Complex in San Juan where he had a small air-conditioned office and we would play blitz and he would give me some lessons. He was a very kind person and I liked him a lot. RELATED STORIES

Chess Piece -- Bobby Ang: "IM Rodolfo Tan Cardoso (1937-2013)" Chess Piece -- Bobby Ang: "World Cup wrap-up"
Chess Piece -- Bobby Ang: "Games from World Cup"
Chess Piece -- Bobby Ang: "Wei Yi"
Chess Piece -- Bobby Ang: "World Cup champion"

In 2000, when the National Chess Federation of the Philippines (NCFP) replaced the Philippine Chess Federation (PCF) as the officially recognized chess governing body in the country I had the occasion to work with him again. You see, there was a small budget for the “National Chess Coach” -- previously they appointed someone in the office staff as the coach so that the allocated coaching stipend can serve as his salary. I as the Executive Director of the NCFP was having none of that and appointed Rudy Tan Cardoso as the coach -- he would go regularly to the Federation office in Timog Avenue to help out and coach the young players, especially the women’s Olympiad team. And he did very well.

I remember the story about the 1956 Moscow Olympiad. The Manila Times refused to sponsor the team because the event was held in the “Evil Empire”, the Soviet Union. The Manila Chronicle stepped in at the last time and the foursome of Glicerio Badilles, Florencio Campomanes, Carlos Benitez and Rodolfo Tan Cardoso was able to go to Moscow, Soviet Union.

Rudy surprised everybody, including himself, by scoring 11 wins, four draws and two losses to win the silver medal for best overall 4th board performance in the event. By virtue of this great performance Hon. Florencio Campomanes petitioned the International Chess Federation (FIDE) to award the International Master title to Rudy. This was granted and he became Asia’s (and the Philippines’) first International Master.

He was a humble person. While giving lessons Rudy would use his games as examples to show the inner workings of the chess mind. I noticed that he showed his wins against Bronstein and Fischer without mentioning the names of his opponents.

I showed you last Friday the Cardoso vs Bronstein game.

Sep-23-13  pinoymaster77: Back in 1957 the Pepsi Cola Co. sponsored an eight game match between the US Junior Champion (Fischer) and the Philippine Junior Champion (Cardoso). It was pretty one-sided but Mang Rudy had a chance to show that you should never under-estimate the resourcefulness of a Filipino. * * * Cardoso, Rodolfo Tan -- Fischer, Robert James [B91]
Fischer-Cardoso m New York (3), 1957

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.g3

Personally this writer has had a lot of success with this move against the Sicilian. Black players tend to give it no respect but it has a lot of venom: the knight on d4 is going to retreat to e2, avoiding exchanges and fortifying the other knight on c3. In the meantime he will fianchetto his bishop, castle kingside and then pawn storm the black position.

6...e5 7.Nde2 Be7 8.Bg2 0-0 9.0-0 Nbd7 10.h3 b5 11.a4

Fischer had encountered this same position in the US open earlier in 1957, and his opponent Garais continued here 11.Be3 Bb7 12.f4 Qc7 13.g4?! b4! 14.Nd5 Nxd5 15.exd5 exf4 16.Rxf4? Bg5 17.Re4 Bxe3+ 18.Rxe3 Rae8 19.Rxe8 Rxe8 20.Qd2 Qc5+ 21.Kh1 Qf2 0-1 Garais, I-Fischer, R/58th US Open 1957. White resigned because after 22.Re1 Re3 followed by ...Nd7-f6-e4 finishes off the job.

11...b4 12.Nd5 Nxd5 13.Qxd5?

After seeing Black’s reply I have no doubt that white will always play 13.exd5 in the future.

13...Qc7! 14.c3?

[14.Qxa8? Nb6 of course loses the queen, but the text is no good either, as after ...Bb7 and ...Nc5 Rudy’s e-pawn is history. It looks like; 14.Be3 is the only move here, planning to exchange the bishop off for Black’s knight anytime it gets to c5]

14...Bb7 15.Qd1 Nc5

The initiative is firmly in Black’s hands now.


Forced, but now the king position is full of holes.

16...a5 17.Be3 Ba6 18.Rc1 Rab8 19.f4 bxc3 20.Rxc3

A sad necessity. After 20.bxc3 Rb2 21.Rc2 (21.Rf2? Nd3) 21...Nxa4 wins

20...Rxb2 21.Rf2 Qb6 22.Rc1!

Good defence, right at the time when Black cannot play ...Nd3.

22...Qb3 23.Nc3 exf4 24.Rxb2 Qxb2 25.Bxc5

It looks like 25.gxf4 Bb7 26.Bd4 just might hold.

25...dxc5 26.gxf4 c4

The text move with the intention of ...Bc5+ and ...Be3 is good, but even better is 26...Bd3! 27.Nd5 Bh4 28.Kh1 (28.Rxc5?? Bf2+) 28...c4 and Black has a firm grip.

27.Nd5 Bc5+ 28.Kh2 Bb4 29.Rc2 Qb3 30.e5

Rudy is putting up a hell of a fight. Now he will play Be4, Qh5 and Nf6+


Fischer got greedy. 30...Qd3! would have prevented Be4.

31.Be4! <D>

Position after 31.Be4

Black is no longer winning. White threatens mate with 32.Bxh7+ Kxh7 33.Qh5+ Kg8 34.Nf6+ gxf6 35.Rg2.


[31...h6 32.Qg1! (32.Nf6+ doesn’t work because of 32...Kh8 (32...gxf6 33.Rg2+ Kh8 34.Qh5 mate next move) 33.Nh5 c3 34.Qg4 g6 35.Nf6 (35.Bxg6?? Rg8) 35...Rd8 36.Qh4 Bf8) 32...Kh8 33.Rg2 Rg8 34.Qa7! wins for White]


[32.Nf6+ Kg7 33.Qd4! should be considered]


The only move is 32...f5 33.exf6 Qe8 34.f5 Qe5+ 35.Kh1 Bc8 The pendulum swings in Black’s favor again.

33.Nf6+ Kg7 34.Qh4 Rc8

Now Fischer realizes that 34...Rh8 is met by 35.Nh5+! Kg8 (35...gxh5 36.Qf6+ Kf8 37.e6; 35...Kf8 36.Qf6 Rg8 37.e6 Qe8 38.Bxb7 Qxe6 39.Qd8+ Qe8 40.Qxe8+ Kxe8 41.Nf6+ and White is a rook up) 36.Qf6 Bf8 37.e6 Qe8 38.Bf5! the intention is to play 39.exf7+ and 40.Be6 38...Bc8 39.Qd4! and now, finally, I can no longer see any defence for Black.

35.Qxh7+ Kf8 36.e6! Rc7 37.Qg8+ Ke7 38.Qxf7+ Kd8 39.Rd2+ Bd5 40.Rxd5+ 1-0

Fischer resigned, stood up and just silently walked off. Clearly he was very upset by this loss.

Sep-23-13  pinoymaster77: Rudy Cardoso should have won this one too:
* * *
Fischer, Robert James -- Cardoso, Rodolfo Tan [B87]
Fischer-Cardoso m New York (6), 1957

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bc4 e6 7.0-0 b5 8.Bb3 Bb7

A common mistake here is 8...Nbd7 when after 9.Re1 Be7 (9...Nc5 10.Bd5!) 10.Bxe6! would give white hopes for a brilliancy prize.

9.Bg5 Nbd7

This is a minefield. 9...b4?! 10.Na4 Bxe4?! 11.Re1 d5 12.Bxf6!? gxf6 13.Qh5 leaves Black struggling.


With a 4-1 lead I guess Fischer thought he could indulge himself. No one has repeated this sacrifice since. Nowadays people play 10.Re1 h6 (10...Be7? 11.Bxe6 fxe6 12.Nxe6 Qa5 13.Nxg7+ Kf7 14.Nf5 White has a winning attack. Kaidanov, G-De Vault, D/Dallas 1999 1-0 (38)) 11.Bh4 g5 (11...Be7? the same sacrifice still works: 12.Bxe6 fxe6 13.Nxe6 Qb6 14.Nxg7+ Kf7 15.Nf5 White’s loss in this game had nothing to do with the opening, Solomunovic, I-Enders, P/Baden-Baden 1993 0-1 (56)) 12.Bg3 with a good fight ahead.

10...fxe6 11.Nxe6 Qc8 12.Nxf8 Rxf8 13.Qxd6 Qc6 14.Rad1 Qxd6 15.Rxd6 0-0-0 16.Rfd1 h6!

[16...Bxe4? 17.Nxe4 Nxe4 18.Bxd8 Nxd6 19.Be7; 16...b4 17.Nd5 Bxd5 (17...Nxe4? 18.Nb6+! Nxb6 19.Rxd8+ Rxd8 20.Rxd8+ Kc7 21.Rg8!) 18.exd5 Nb8 simplifies the position, but it is not at all sure that black can win this.]

17.Be3 Ne5?

Why didn’t he take the pawn? If 17...Nxe4 18.Nxe4 Bxe4 19.Rxa6 Nb8 20.Rad6 (20.Rxd8+?? Rxd8 loses the rook to the threatened back rank mate) 20...Bxc2 21.Rxd8+ Rxd8 22.Rc1 Nc6! once again the back rank mate prevents white from recapturing the piece and after Black’s ...Rd1+ Rudy would have a won endgame.

18.Rxd8+ Rxd8 19.Rxd8+ Kxd8 20.f3 Kd7 21.Kf2 Bc6 22.b3 Ke6 23.h3 Bb7 24.Ne2 Nc6 25.h4 Bc8 26.Nd4+ Nxd4 27.Bxd4 g5 28.hxg5 hxg5 29.Bxf6 Kxf6 30.c3

Black has an extra piece but if he is not careful he might even lose this endgame.

30...Be6 31.Ke3 Ke5 32.g3 a5 33.f4+ gxf4+ 34.gxf4+ Kd6 35.f5 Bg8 36.Kd4 Bh7 37.c4

[37.e5+ Ke7! (37...Kc6? 38.Ke4 Kc5 39.Kf4 Kd5 40.c4+ bxc4 41.bxc4+ Kxc4 42.e6 wins) 38.f6+ Ke6 39.Kc5 Bd3 holds the draw]

37...bxc4 38.bxc4 Kc6 39.a3 a4 40.Ke5 Bg8 41.Kf6 Bxc4 42.Ke7 Kc5 43.e5 Kd4 44.Kd6 Ke4 45.f6 Kf5 46.Kc5 1/2-1/2

In the 1958 Portoroz Interzonal Bobby Fischer tied for 5th with Icelandic GM Fridrik Olafsson and qualified for the Candidates’ Tournament. He was clearly an up-and-coming superstar and the Soviets did all that they can to beat him, but try as they might neither Tal, Petrosian.

That is why before Rudy Cardoso’s game with Bobby Fischer in Portoroz he surprised everyone by announcing he would beat Fischer, and when he sat down to play with the American genius Rudy asked “would you like to resign now and save time?” It was then that everyone knew that the two of them were friends and it was all a joke.

They all had a good laugh.

Premium Chessgames Member
  Penguincw: R.I.P. IM Rodolfo Tan Cardoso. Candidate for Player of the Day for 12/25/14?
Dec-25-13  offramp: The bio says:

< He discovered Wesley So after employing Queen sacrifices in junior tournaments at age 9.>

Could someone translate that into English?

Premium Chessgames Member
  perfidious: <pinoymaster77....That is why before Rudy Cardoso’s game with Bobby Fischer in Portoroz he surprised everyone by announcing he would beat Fischer, and when he sat down to play with the American genius Rudy asked “would you like to resign now and save time?” It was then that everyone knew that the two of them were friends and it was all a joke.>

Cardoso gave the young title aspirant all he had in that game, of such importance to Fischer: Fischer vs R T Cardoso, 1958.

Dec-26-13  SugarDom: He's really Rodolfo Cardoso Tan.

Tan is his last name.

Dec-26-13  offramp: I believe he is really Tan Radolfo y Cardoso.
Mar-27-15  Petrosianic: <his performance was notable for R T Cardoso vs Bronstein, 1958, his last-round upset of David Bronstein, which kept Bronstein out of the Bled-Zagreb-Belgrade Candidates (1959).>

That's what the myth says, but I'm not sure it's correct. The 4 Soviets Rule would have been in effect. Smyslov and Keres were already seeded into the Candidates, so that should mean that only two Soviets could qualify from Portoroz.

So, even if Bronstein had drawn the game, he would only have tied with Fischer and Olafsson for 5th place, and been out even if he'd beaten them both in a playoff (shades of 1964). Even had Bronstein won the game, he would have tied with Petrosian for the second Soviet spot, and might have lost out even then.

Mar-27-15  asianwarrior: He might be nobody in the Pottoroz Intetzonal except that he won against Btonstein & drew with Tal and Averbakh, all tough Soviets
Mar-27-15  Petrosianic: I don't think anyone thinks of Cardoso as a nobody, but he is one of those odd players, like Carlos Torre, and William Napier, who is remembered for one specific game and one only.
Mar-28-15  asianwarrior: It was unfortunate that his games in 1956 Moscow Olympiad where he performed well was not reflected here.
Mar-28-15  wordfunph: <asianwarrior>

[Event "12th olm final C"]
[Site "Moscow URS"]
[Date "1956.09.10"]
[Round "1"]
[White "Anastasopoulos, Anastasios GRE"]
[Black "Cardoso, Radolfo Tan PHI"]
[Result "0-1"]
[ECO "A04"]
[EventDate "1956.08.31"]
[PlyCount "118"]

1.Nf3 e6 2.g3 b6 3.Bg2 Bb7 4.d3 f5 5.e4 fxe4 6.Ng5 Nf6 7.Nxe4 Nc6 8.O-O Be7 9.Nbc3 O-O 10.d4 Kh8 11.Be3 a6 12.Qe2 Qe8 13.Rad1 Rc8 14.a3 Qg6 15. Nxf6 Bxf6 16.Ne4 Be7 17.c4 Nd8 18.d5 exd5 19.cxd5 Nf7 20.h4 Nd6 21.h5 Qf7 22.h6 Nxe4 23.hxg7+ Qxg7 24.Bxe4 Bf6 25.Kg2 Rce8 26.Bb1 Bg5 27.Rh1 h6 28. Qd2 Bxe3 29.fxe3 Re5 30.Qc3 d6 31.e4 Rf6 32.Rh4 Bc8 33.Rdh1 Bg4 34.Rg1 h5 35.Qd2 Qf7 36.Re1 Kg7 37.Bc2 Re8 38.Bd1 Rf8 39.Qd4 Bxd1 40.Rxd1 Kg6 41.Rd2 Rf1 42.Qe3 Qf6 43.Rc2 Rf7 44.Rh1 Rf3 45.Qe2 Kh6 46.Rh4 a5 47.Qd2+ Kg6 48. Qe2 b5 49.Rd2 Qg5 50.Rh3 Re3 51.Qxb5 h4 52.Rc2 Rxg3+ 53.Rxg3 Qxg3+ 54.Kh1 Qh3+ 55.Kg1 Qe3+ 56.Kh2 Kh6 57.Qe2 Qg3+ 58.Kh1 Qh3+ 59.Kg1 Rg7+ 0-1

Mar-28-15  wordfunph: <asianwarrior> eto pa..

[Event "12th olm final C"]
[Site "Moscow URS"]
[Date "1956.09.11"]
[Round "2"]
[White "Venkatraman, S. IND"]
[Black "Cardoso, Radolfo Tan PHI"]
[Result "0-1"]
[ECO "A40"]
[EventDate "1956.08.31"]
[PlyCount "86"]

1.d4 e6 2.c4 b6 3.Nc3 Bb7 4.e4 Bb4 5.Qc2 Nf6 6.Bd3 Nc6 7.Nf3 d5 8.cxd5 exd5 9.e5 Nd7 10.O-O Nf8 11.Ne2 a6 12.a3 Be7 13.Be3 f6 14.Rac1 g6 15.Rfd1 Ne6 16.Bh6 Kf7 17.Nh4 Rg8 18.Nf3 Bf8 19.Be3 Bg7 20.Nf4 Nxf4 21.Bxf4 Re8 22.Re1 Qd7 23.h3 Re6 24.h4 Kg8 25.h5 fxe5 26.dxe5 Rf8 27.Bg3 Bh6 28.Rcd1 Rxf3 29.gxf3 Nd4 30.Qb1 Nxf3+ 31.Kg2 Nxe1+ 32.Rxe1 Qf7 33.hxg6 hxg6 34.Qc2 c5 35.Kg1 Bf4 36.Qe2 c4 37.Bc2 Rxe5 38.Qd1 Bxg3 39.fxg3 Rxe1+ 40.Qxe1 d4 41.Bd1 Bc6 42.Qe5 Qe8 43.Qxe8+ Bxe8 0-1

Mar-28-15  wordfunph: [Event "12th olm final C"]
[Site "Moscow URS"]
[Date "1956.09.13"]
[Round "4"]
[White "O'Riordan, Kenneth IRL"]
[Black "Cardoso, Radolfo Tan PHI"]
[Result "0-1"]
[ECO "C17"]
[EventDate "1956.08.31"]
[PlyCount "42"]

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.Bd2 Ne7 6.Nf3 O-O 7.Ne2 Bxd2+ 8.Qxd2 Nd7 9.c3 f6 10.Nf4 Qb6 11.Bd3 cxd4 12.cxd4 fxe5 13.dxe5 Nc5 14.Bb1 Bd7 15. O-O Rad8 16.Nh5 Be8 17.Qg5 Ng6 18.Bxg6 Bxg6 19.Nh4 Ne4 20.Qg4 Nxf2 21.Qe2 Bxh5 0-1

[Event "12th olm final C"]
[Site "Moscow URS"]
[Date "1956.09.15"]
[Round "5"]
[White "Cardoso, Radolfo Tan PHI"]
[Black "Reissmann, Paul PUR"]
[Result "1-0"]
[ECO "C97"]
[EventDate "1956.08.31"]
[PlyCount "61"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.h3 Na5 10.Bc2 c5 11.d4 Qc7 12.Nbd2 Re8 13.Nf1 h6 14.Ng3 Bf8 15.Be3 Nc6 16.Rc1 Ne7 17.Nh4 g6 18.f4 exf4 19.Bxf4 g5 20.e5 gxf4 21.exf6 fxg3 22.Qd3 Bf5 23.Nxf5 Ng6 24.Qxg3 Rxe1+ 25.Rxe1 Qd8 26.Ne7+ Bxe7 27.Rxe7 Kh8 28.Bxg6 Rc8 29.Bxf7 Qf8 30.Qg6 cxd4 31.Bg8 1-0

Mar-28-15  wordfunph: short workout..

[Event "12th olm final C"]
[Site "Moscow URS"]
[Date "1956.09.22"]
[Round "9"]
[White "Cardoso, Radolfo Tan PHI"]
[Black "Philippe, Georges LUX"]
[Result "1-0"]
[ECO "B01"]
[EventDate "1956.08.31"]
[PlyCount "31"]

1.e4 d5 2.exd5 Nf6 3.Nf3 Nxd5 4.d4 Bg4 5.Be2 e6 6.Nbd2 c5 7.c3 Nc6 8.Nb3 cxd4 9.Nbxd4 Nxd4 10.Qxd4 Bxf3 11.Qa4+ Ke7 12.Bxf3 f6 13.O-O Kf7 14.Rd1 Qe8 15.Qb3 Nb6 16.Be3 1-0

Dec-06-19  JonathanJ: He was a pretty skilled player indeed:
Apr-18-20  Modragus: He's actually Rodolfo Cardoso Tan. Last name Tan.
Premium Chessgames Member
  MissScarlett: Tan, you’re behind.
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