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Robert Byrne vs Svetozar Gligoric
64th US Open (1963), Chicago, Il USA, rd 8, Aug-18
King's Indian Defense: Fianchetto. Yugoslav Variation Exchange Line (E66)  ·  1-0

ANALYSIS [x]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 1 OF 2 ·  Later Kibitzing>
Feb-01-13  jerseybob: This game is one of my all-time faves.
Byrne's blend of strategy and tactics makes it worth replaying again and again.
Oct-25-13
Premium Chessgames Member
  offramp: Unusual desperado sequences.
Oct-25-13  Bartimaeus: White has managed to secure considerable amount of space in this interesting middle game position. However, material is equal. It seems important to convert this spatial advantage into something more concrete.

From points of action, there seem two interesting aspects. One is the d-file passed pawn and the other is weakness of c6. If the c-pawn weren't there then the Bishop would be pinned and won easily due to the dual attack of the rook and bishop. This makes Black's cxb4 an empty threat. Conversely, this makes white's Bxc5 a very interesting move.

Considering this we have :

A) 23. Bxc5 bxc5 24. Rxc5 Qa6 25. Bxc6 and black will lose a piece and the game

B) 23. Bxc5 Bxg2 24. Bxb6 Qb7 25. Bxd8 Bxf1 26. Be7 Bxh3 (The bishop has no escape square) 27. Kxh3 and now white is ahead a pawn but more importantly he has very strong chances of Queening the d-pawn and winning the game. Looks good enough to win.

Beautiful conversion of mobility and spatial advantage to a winning material advantage.

Oct-25-13
Premium Chessgames Member
  al wazir: I didn't see this all the way out to move 44, but I found the first four or five moves. I'm going to count that as a solution.
Oct-25-13  rickster13: what if black 24. Qxc1? it seems a little bit better for black i think.
Oct-25-13  Bartimaeus: <rickster13 : what if black 24. Qxc1?>

23. Bxc5 Bxg2 24. Bxb6 Qxc1 25. Qxc1 Rdc8 26. Nxg2 Rxc1 27. Rxc1 axb6 28. d7 with the imminent threat of Rc8+ (Na7 fails to Rc7)

There doesn't seem to be an easy way to prevent the pawn Queening without losing material and black's DSB is effectively useless. White should win this in this line too.

Oct-25-13  PhilFeeley: Well, I got the first move, but not the rest of the game. Too many moves...
Oct-25-13  patzer2: Today's Thursday puzzle solution 23. Bxc5!!, with the idea of a pinning combination to force a long attacking initiative, isn't as much a tactical puzzle to be solved as it is a game to be thoroughly enjoyed.

Byrne's masterful blend of tactics and positional play in securing the win after 23. Bxc5!! are delightfully entertaining.

Oct-25-13  agb2002: The material is identical.

Black threatens 23... Bxg2 (23... cxb4 24.Bxc6) and 24... Qa6.

The possibility of pinning Black's lsb suggests 23.Bxc5:

A) 23... bxc5 24.Rxc5

A.1) 24... Bxg2 25.Rxc8 Bxf1 (25... Raxc8 26.Nxg2 + - [Q+2P vs R+B]) 26.Rxa8 Rxa8 27.Qxf1 + - [Q+2P vs R+B].

A.2) 24... Bf3 25.Rxc8 Bxd1 26.Rxa8 Rxa8 27.Bxa8 + - [R+2P vs B].

B) 23... Bxg2 24.Bxb6

B.1) 24... Qb7 25.Nxg2 Qxb6 26.a4 Nd4 27.Rc4 + - [2P].

B.2) 24... Qxc1 25.Qxc1 axb6 (25... Bxf1 26.Bxd8 Rxd8 27.Qxf1 + - [Q+2P vs R+B]) 26.Nxg2 + - [Q+2P vs R+B].

B.3) 24... Bxf1 25.Rxc8 Rdxc8 26.Qxf1 axb6 27.Qxb5 Rxa2 28.Qxb6 + - [Q+N+2P vs 2R+B] and several threats (d7, Nf3-d4-c6, etc.).

B.4) 24... axb6 25.Rxc8 transposes to a previous line.

Oct-25-13  Patriot: 23.Bxc6 Qxc6 24.a4

24...Nd4 25.Qxd4 Qd7 26.Bxc5 bxc5 27.Qxc5

24...Nd4 25.Qxd4 Qb7 26.Bxc5 bxc5 27.Rxc5 Qb6 28.Rc4

24...g5 25.Nf3

My first thought was 23.Bxc5:

23...bxc5 24.Rxc5

23...Bxg2 24.Bxb6 Qb7 25.Bxd8 Bxf1 26.Qxf1 Rxd8

There are more variations on this. For example, 26.a4 is also interesting but 26...Rxd8 27.axb5 Bxb5 or 26...Rxd8 27.Qxf1 Nd4. I like 23.Bxc6 much better.

Oct-25-13  Patriot: I didn't even consider 24...Nc7 in the first line, although Houdini prefers 24...Nxd6.

In the game line, I just didn't see that the bishop on f1 is trapped so 26.Be7 or 26.Ba5 suffices.

Oct-25-13  Patriot: <morf> The fact I didn't notice the trapped bishop on f1 gets back to what you said yesterday about patterns. Sometimes it's just not obvious to us. Here the fact this is a multi-square counting problem distracted me from noticing the trapped piece.
Oct-25-13  Vincenze: LOL work that one out.
Oct-25-13  diagonalley: <rickster13> after 24. ... QxR it looks like white ends up with Q + P + passed-P vs rook and rubbish bishop. (my money would be on white here)
Oct-25-13  cocker: What, no rook sacrifice today?
Oct-25-13  Nick46: Gligoric svetted profusely before finally Byrneing his vings.
Oct-25-13  morfishine: There are 3 candidates: 23.Bxc6, 23.Bxc5 & 23.a4 and I couldn't make any of them work :(

*****
<Patriot> You visualized much better than me, coming to within one move of a dominating position. Nice job!

*****

Oct-25-13  Morttuus: I can't say anything else then "Bow down to Mr. Byrne!" What a sequence! This is a piece of art.
Oct-25-13  zb2cr: I found the game line through move 26 and note that Black's B on f1 has no flight square. Thus, White will win a piece and be up by at least a Pawn, and have a far-advanced passed Pawn.

First Friday I have had the time to work out the solution for a long time.

Oct-25-13  David2009: R Byrne vs Gligoric, 1963 White 23?

White wins material starting 23.Bxc5. Critical line: 23...Bxg2 24.Bxb6 Qb7 25.Bxd8 Bxf1 26.Qxf1 Rxd8 27.Qxb5 and White has won an important Pawn. Time to check: ====
Missed it completely. I had a vision error (not spotting that the b6 Pawn has disappeared so that the Black Queen on b7 guards b5).


click for larger view

Instead of 26.Qxf1?? (losing) 26.Be7! wins back the piece for one Pawn so White remains a Pawn up.

We live and learn.

Crafty End Game Trainer now seems to be permanently unavailable, so I can no longer play out these combinations to the finish of the game. Pity.

Oct-25-13  dufferps: I think this should have been rated: "insane," though the move 23.Bxc5 was indeed a sane, logical choice. The sequence following that was unbelievable for someone at my level.
Oct-25-13
Premium Chessgames Member
  chrisowen: Vindicates bad for one b4xc5 light sensed a fog,

sweeping over triangle a tomb mini now since c6 is fad cedes grit 6e in to combo flight recind giving,

got oomph engage sacrifice at con passed the back at fed clink bodge c6 g2 only calls a wave in beck and call alive monarch stepsin ahead b7 do the math in fetcher a deed pawn threaten deline knight be,

doom it now in advantage ok er changing arch in good has con eyes every tabbishop dangled bod,

chiseled hilight d8 as key find hever more inclined aim each to deems down scar see rook effect every to bind be now blow biffed blob pawn d6 change bishop scarper chin now elevates we're cooking on calor in gas 23.Bxc5 first port of call mint it is up low 23...Bxg2 24.Bxb6 Qb7 baffle gg I've likelyhood jangle do feels of fast 24...Bxf1 25.Rxc8 Rdxc8 26.d7 axb6 king rep er charge d7,

bottle-necked too (1.67). Believe two points ahead by a monarch after giddy on c8 cable get b4 wins the day I be the black beast 25.Bxd8 Bxf1

26.Be7 Nxd6 exd6 pawn lead and promod in the ar f1 wax off b5 bagchips 28.Rc7 bishop cearly winning.

Light maneovres tell I bag c5 boom-arch in a safe sacrifice baying for take blood d6 in cedes the cases point too for be decisive it is same in salmon spring angle d6 will promote again or bent see a one rook,

infiltrates seventh in ado it ok as far as the eye can see for free bishop bin hind c5 leg g2 comes a bond ceedence in feed a c6 for booting g2 at tergid hive c5 leapt into the fray er finger c8 trapped a fop bred and born c6 makes a decision sanwich in er bind b7 it seem like for one b4 in c5 ie mind the gap kin fragment sit g2 offer cinch free mint selected at enect b7 see leak in g2 bade forth er b7 in mixed d8 family its a good,

while coming 7d fog thin picking g8 safe at sinch eg win is right bed see finish a wave in got.

23.Bxc5 off in disk jockey knight be delve in dachy b7 again b6 floats the boat dangle d7 to recind,

mission accomplished having a rage off re ogles 25.Bxd8 Bxf1 hoof give in e7 st eggs on d7 effectively over done chaser b7 go on calf d6 and b5 I acknowledge set flow er lovely 26...Nxd6,

27.exd6 Bb5 28.Rc7 sadness abode b7 monarch b8 as cyber da bind why in wrist off b6 bangled d8 f1 re gains a piece althogh a light e7 ensnares the win d6 bade knight back e5xd6 ie accent in rich b5 to cove e8 bider cobbled together bind go be knight head go farm dig clink aim in c5 seed c6 moots goods a big heave by passed chin elevates a bet rooks cant ill afford to letter 7d of the law in reborn again delve good fetcher c8 blade delivers the cop de grace inject palm off pace l0 win manage at safi see jingle al the way to the bank maybe e6,

said bad care effects e5 in good to call off c5 too,

zig-zag in d7 er binding c8 dine fidget g2 moments be a dilemma in exactley line biffed b7 shingled faith hive mind c5.

Oct-25-13
Premium Chessgames Member
  Jimfromprovidence: I got 23. Bxc5 Bxg2 24. Bxb6 Bxf1 25. Rxc8 Rdxc8. Now comes 26.d7!? (which seems more forcing.)


click for larger view

Next comes 26...axb6 27 dxc8Q+ Rxc8 28 Qxf1 Rc2+ 29 Kh1 Rxb2.


click for larger view

Black is down a queen for a rook and bishop.

Oct-25-13  JG27Pyth: Don't neglect the remainder of the game after the POTD. Byrne finds one strong accurate attacking move after another to keep his initiative. A real gem. The finish is lovely. 36! 40! 41! ...

Have a look if haven't already!

Oct-25-13  kevin86: too complicated por moi.
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