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Arthur Bisguier vs Duncan Suttles
64th US Open (1963), Chicago, IL USA, rd 9, Aug-19
Modern Defense: Pseudo-Austrian Attack (B06)  ·  1-0



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Given 6 times; par: 37 [what's this?]

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sac: 21.Rxb6 PGN: download | view | print Help: general | java-troubleshooting

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Kibitzer's Corner
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Premium Chessgames Member
  offramp: Very old-fashioned. Passé. More like 1863 than 1963. We have come a long long way!
Nov-14-13  Cybe: Hassan, if B:b6, ab, R:b6, then R:d3! White wins, but the victory is not so close.
Nov-14-13  Nick46: That's two weeks running I've got the first few moves Monday to Thursday; great site for personal progress,
Nov-14-13  Ripunjai kaushik: rook sacrifice would won him the game sooner...
Nov-14-13  morfishine: 21.Rc5 was my first try, 21.Bxb6 was my second try and 21.Rxb6 was my third try. I then stepped outside and launched a trusty missile towards my shadowy pierced dartboard which resulted in <21.Bxb6>


Premium Chessgames Member
  agb2002: White has the bishop pair for two knights.

Black threatens 21... Nxa5.

The first idea that comes to mind is 21.Nc5 but Black can reply 21... Nge7.


Another option is 21.Bxb6, opening the black castle:

A) 21... axb6 22.Rxb6

A.1) 22... Nd4 23.Qa8+ Kd7 24.Qa4+ Nc6 (24... Kc8 25.Ba6+ wins; 24... Ke7 25.Rb7 + - [Q+B+2P vs R+2N]) 25.Rxc6 + - with many threats (25... Qxc6 26.Bb5).

A.2) 22... Nge7 23.Ba6+ Kd7 24.Rb7 + - [Q+B+2P vs R+2N].

A.3) 22... Nb8 23.Rxb8+ Qxb8 (23... Kd7 24.R8b7) 24.Ba6+ Kd7 (24... Kc7 25.Rb7+ and mate in two) 25.Rxb8 Rxb8 26.Qd3+ Ke8 (26... Kc6(7) 27.Qd6#; 26... Ke7 27.Qd6+ Ke8 28.Qxb8+, etc.) 27.Bb5+ Rxb5 (27... Ke7 28.Qd6#; 27... Kf8 28.Qd6+ and 29.Qxb8) 28.Qxb5 + - [Q+2P vs R+N].

A.4) 22... Na5 23.Ba6+ Kd7 24.Qd3+ Ke8 (24... Ke7 25.Qa3+ and 26.Qxa5 + -) 25.Bb5+ Rd7 (25... Ke7 26.Qa3+ wins; 25... Kf8 26.Qa3+ and 27.Qxa5 + -) 26.Rd6 + -.

A.5) 22... Na7 23.Ba6+ Kd7 24.Rb7, etc.

A.6) 22... Rxd3 23.Qxd3

A.6.a) 23... Na7 24.Rb8+ Qxb8 25.Rxb8+ Kxb8 26.Qd8+ and 27.Qxg8, etc.

A.6.b) 23... Nge7 24.Qa6+ Kd8 (24... Kd7 25.Rb7) 25.Qa8+ Nc8 26.Rxc6, etc.

B) 21... Nd4 22.Bxd4 Rxd4 23.Qa8+ Kd7 24.Rb7 wins.


An alternative is 21.Rxb6:

A) 21... axb6 22.Bxb6

A.1) 22... Qb7 23.Ba6 Qxa6 24.Qxc6+ Kb8 25.Bxd8+ Ka7 26.Qc7+ and mate next.

A.2) 22... Nd4 23.Bxd4 Rxd4 24.Qa8+ Kd7 25.Rb7 Qxb7 (else Black loses the queen and the knight or the rook on d4) 26.Qxb7+ Ke8 27.Qc8+ Rd8 28.Bb5+ Ke7 29.Qc7+, etc.

B) 21... Nd4 22.Qa8+ Kd7 23.Rd6+ Ke7 (23... Ke8 24.Rxd8+) 24.Qxd8+ Qxd8 25.Bxd8+ Ke8 26.Rxd4, etc.

C) 21... Nxa5 22.Ba6+ Kd7 23.Rb7 Nxb7 24.Rxb7 Rc8 25.Rxc7+ Rxc7 26.Qd3+ Ke8 27.Qd6 + -.


21.Bxb6 abd 21.Rxb6 look more or less equivalent. I'd probably play 21.Bxb6.

Nov-14-13  eblunt: OTB I'd probably go ♗xb6, mainly as it's a smaller gamble (♗ for 2♙) if I missed something. I can see that after 22 ♖xb6 the dual threats ♖xc6 and ♗a6+ ♖b7 (winning the ♕) are enough at the very least get the piece back leaving me 2♙ to the good and a strong attack.

A bit short term I know, but OTB I'm often not strong enough to completely analyse within the time, so I would go for a tactical line that I can see clearly leaves me better off

Nov-14-13  zb2cr: Missed, missed, missed, I went for 21. Bxb6.
Nov-14-13  Pedro Fernandez: I thought in 21.Bxb6 which also wins easily but doesn't lead to mate, 21. Rxb6 is stronger. BTW, after this move 21...Rxd3 also leads to mate.
Nov-14-13  Castleinthesky: A rare event, but the solution occurred to me almost immediately, I saw the queen-rook pin as well as the check to flush the king out. I did not see the full sequence but knew that black was in really bad shape after the sacrifice.
Premium Chessgames Member
  kevin86: I saw the rook sac as the white pieces were as active as they were menacing.
Nov-14-13  Marmot PFL: 21 Bxb6 ab 22 Rxb6 Nd4 23 Qa8+ Kd7 24 Qa4+ Ke7 25 Rb7 looks like one easy way to win, and I bet there are many others. Black has a dreadful position.
Nov-14-13  BOSTER: After 20.Rxb7 Qxb7 21.Rx b7

Kxb7 22.Bb4 white had tecuphnically won pos.

Premium Chessgames Member
  keypusher: Like many here, I first tried 21.Rc5, and then I went to 21.Bxb6, which seems to work, but I definitely did not see all Black's resources, and I didn't really consider 21.Rxb6. Good puzzle and a nice attack by Bisguier!
Premium Chessgames Member
  Jimfromprovidence: If 21...Nxa5?, then 22 Ba6+ still is the best move by far.

click for larger view

Now after 22...Kd7, then 23 Bb5+. Black can't go with 23...Ke7, because of 24 Qa3+!

click for larger view

So it was not until after the fact I saw the importance of the the e5 pawn, controlling both d6 and f6, limiting the flight squares of both the king and queen.

Nov-14-13  LoveThatJoker: <21. Bxb6! axb6>

(21…Nd4 22. Bxc7 Nxf3 23. Bxd8 )

<22. Rxb6 Nd4>

(22…Nge7 23. Ba6+ Kd7 24. Rb7 )

<23. Qa8+ Kd7 24. Qa4+ Ke7 25. Rb7>


Nov-14-13  MiCrooks: Well this puzzle is pretty much cooked. Like many others I went with Bxb6 as opposed to Rxb6. Is Rxb6 better? Sure. Letting an engine run for a bit gives Rxb6 a score of 7.17 versus Bxb6 with a score of 4.52 (takes it a bit to get to 7...for a while more like 5.5 to 4.5). All other moves are worse leaving White with only a marginal 1.0-1.5 advantage.

So if I find a move that gives me essentially a 5+ advantage is that a fail? As others have mentioned Bxb6 is easier to work out, and easier to pull the trigger on as the investment is less. As long as the problem isn't a mate in N undertaking coming up with a clear win is all that is asked.

Premium Chessgames Member
  Gilmoy: How to play the game <12..Qc5+> with <some> of your pieces

click for larger view

Premium Chessgames Member
  whiteshark: <On the chessboard lies and hypocrisy do not last long.>

-- Em. Lasker

Premium Chessgames Member
  perfidious: <whiteshark> Here is the full quote:

<Lies and hypocrisy do not survive for long on the chessboard. The creative combination lays bare the presumption of a lie, while the merciless fact, culminating in a checkmate, contradicts the hypocrite.>

Premium Chessgames Member
  whiteshark: Thanks you, <perfidious>, I get the message and I'll take the blame of improper quoting! :D
Premium Chessgames Member
  Penguincw: The minute I saw this puzzle I thought of Boden's Mate. My last thought was 21.Rxb6 axb6 22.Bxb6 followed by 23.Rxd8 (gave up though).
Nov-14-13  MiCrooks: I find it interesting that Bisguier decided not to cash in after 18. Qc7. Obviously with Rxb7 White can trade off his two Rooks for the Queen and a pawn...not always the best trade. But in this case White ends up with a very active Queen after Kxb7 and has what for a Grandmaster must be considered an easy win.

For example, Bb5 poses terrible problems for Black, but then so does moves like Qe2 or Qf1. Black's King is exposed and his pieces are woefully out of play. There are too many possibilities to go through them all, but all have White up +4 or more.

Perhaps he was living by the threat being stronger than the execution? Playing e5 does open lines and cover key squares. But e5 e6 Ba5 Nxa5 leads to a win, but no more convincing of one as the immediate Rxb7. After Rxa5 Black is again in trouble. Best is probably Rxd3 giving back the exchange to remove the pesky Bishop, but that Rook was also one of Black's only reasonably developed pieces. Rd7 reinforcing b7 would be another try and one that is a bit tricky.

Rd7 Bb5! Qxa5 Bxd7+ and Black cannot take back the Bishop because of Qxb7+ where Black will be forced to drop his Queen to avoid being mated!

Rxd3 cxd3 and Black still cannot take the R on a5. It is not immediate mate, but it comes quickly with Qxb7+ Kd8 Qb8 King moves Qd6+ King moves Rb8+ etc.

So what can he do? Black is down an exchange with open lines to his King and his Rook and Knight totally out of play.

Nov-14-13  CopyBlanca: Not one of our few Canadian GM's best efforts. Usually he does a bit better in his bizarre openings. Duncan was an excellent stock market picker. He lived in Vancouver and with the three hour time difference did his stock trades in the morning. Spent most of the afternoon at the beach. Here is my 4 old grandson first 4 moves as white. H4,G4,F4,N-H3. Duncan would be proud
Premium Chessgames Member
  Garech: GOTD!


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