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Larry Kaufman vs Kazim Gulamali
National Open (2012), Las Vegas USA, rd 5, Jun-17
Pirc Defense: Byrne Variation (B07)  ·  1-0
ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
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Aug-30-13  Bartimaeus: <al wazir> After 21. Be1, c4 should allow the black queen to escape.
Aug-30-13
Premium Chessgames Member
  White Star: I got 21 Ra4 and 22 Rb1, but then my Rb3 is not as good since 22...Qxb3 wins the Q but leaves white's position harder to generate threats
Aug-30-13  woody b: i came up with 21. d6 which is winning fast in most lines, e.g. exd6 22. fxe5 Qxh4 Rxf7+ or Qxb2 22. Rfb1 Qxc3 23. Rxb7+ but there's better defence for sure (like Bxe5 in my first line) dind't get the idea of trapping black's q, shame on me.
Aug-30-13  mmousez: How should White proceed if Black plays 25. ... Kd6? I tried 26. Qg4 Kxd5 27. Qf3+ Kd6 and can't find any way to get the Black King.
Aug-30-13  M.Hassan: "Difficult'
White to play 21.?
White is a pawnn down

I had not gone through the game but it appears that the Black King may have started an immature attack and has placed herself in an odd position closing path of escape behind her and White can take maximum advantage:

21.Ra4+ Qxb2 (forced)
22.Rb1+ Qxc3 (forced)
23.Rxb7+ Kd6
24.Be1!
Queen is trapped now
24.........Qxe1
25.Qxe1
or better,
24.Be1 Qd4+
25.Rxd4 exd4
I just noticed that 23.Rb3 could also trap the Queen. Black has to continue a Queenless game

Aug-30-13
Premium Chessgames Member
  agb2002: White is one pawn down.

The black queen lacks mobility. This suggests 21.Ra4:

A) 21... Qxb2 22.Rb1 (22.Qd2(3) e4) 22... Qxc3 23.Rxb7+ Kd6 24.Rb3 wins the queen. For example, 24... Qxb3 25.cxb3 exf4 26.Rxf4 Rf8 (26... g5 27.Rxf7 Bd4+ 28.Bf2) 27.Rxf7 Rxf7 28.Qe6+ Kc7 29.Qxf7, etc.

B) 21... g5 22.Rxb4 cxb4 23.fxg5 hxg5 24.Bxg5 bxc3 25.bxc3 + - [Q vs R+N].

Aug-30-13  TheaN: Friday 30 August 2013

<21.?>

On move 21, I am not really sure if I would classify this position as Friday. There is no king attack possible, and the only real awkward placed piece for black is the queen. Regardless, it is the only piece aside Bg7 really doing anything. This suggest a queen attack, so the key move is clear right away. In order to finish the combination however, spotting up to 23, but possibly 25 is required or white might still have a hard game on his hands.

<21.Ra4 Qxb2 22.Rb1! Qxc3 23.Be1> the trap is made. <23....Qd4+ 24.Rxd4 cxd4> is the only way for black to drag a rook, piece and pawn together with the queen, however: <25.Rxb7+ > seems to uncoordinate the remaining undeveloped black pieces and create an opening for white. Because of this, black might want to play 24....exd4, as after cxd4 white has 26.fxe5 creating even more holes in the fragile black camp. If anything, this game will end soon from move 25 on.

Aug-30-13  mathlover: Ra4 Qxb2 Rb1 Qxc3 Be1 white wins
Aug-30-13  TheaN: Ah well missed the very quick end via d6 and/or Qg4, but this is obvious from Rxb7+ on. Hopefully Saturday and Sunday prove more challenging haha.
Aug-30-13  Madman99X: The black queen seems in a bad spot. I found 21. Ra4! Qxb2 25. Rb1 Qxc3 26. Be1 where the queen falls.

Houdini gives black's best reply to 21. Ra4 as Qb6 saving the queen, but white appears to have a winning (if not completely decisive) attack after 22. fxe5 where black's lack of development and poor king placement leave him in a world of hurt.

Aug-30-13  patcheck: Black is a pawn up. The solution seems easier than yesterday although there could have various winning lines for white :

21. Ra4 Qxb2 (22. … Qxa4 23. Nxa4 doesn’t seem to give black sufficient compensation / other moves, for instance 21. … g5 22. Rxb4 cxb4 seem even worse)

22. Rb1 Qxc3 23. Be1 Qd4+ (the best answer I think) 24. Rxd4 exd4 (24. … cxd4 25. Fxe5) and I think black doesn’t have enough compensation for its queen.

Aug-30-13  faroiden: mmousez: How should White proceed if Black plays 25. ... Kd6? I tried 26. Qg4 Kxd5 27. Qf3+ Kd6 and can't find any way to get the Black King. 25...Kd6 26.f5 Looks good, threadening Bg3 and Qf3..
Aug-30-13  TheaN: <Madman99X: Houdini gives black's best reply to 21. Ra4 as Qb6 saving the queen.>

Did you copy the position right? 21.Ra4 Qb6 22.axb6 seems to be one of black's worst posibilities and does not safe the queen.

Aug-30-13  morfishine: I completely overlooked <21.Ra4> only focusing on the candidates (1) 21.fxe5 & (2) 21.Bxe7

Hey, I forgot my reading glasses, I can blame it on that!...Nahh, no excuse works here :(

*****

Aug-30-13  LIFE Master AJ: 21.f4xe5 and e6+ is also a promising attack ...
Aug-30-13
Premium Chessgames Member
  bubuli55: Missed 21. Ra4

I thought 19. a5 was to have a Nd5. I was focused on e7 square and opening the center. Can't find any there because there is none!

I flagged.

Aug-30-13  framsey: I saw Ra4 Qxb2 Rb1 Qxc3 Be1 Qd4+ Rxd4 exd4, but then stopped there, thinking white had a winning material advantage.

In fact, at this point white has a Q against a R, N, and 2 P, which is about even or slightly in black's favor. So I can't really say I solved the puzzle.

This is a good reminder to count up material at the end of a line, and not simply assume you are up because you captured a queen!

Aug-30-13
Premium Chessgames Member
  patzer2: patzer2: <patzer2: Got the first two moves of today's Saturday puzzle with 21. Ra4! Qxb2 22. Rb1!> Oops today's Friday (not Saturday)!

I had just finished watching an amazing college football game between the University of Mississippi and Vanderbilt University, and was thinking of the start of the major portion of the college NCAA Division I football season being Saturday September 1, 2013.

Perhaps if I been concentrating more on the position, and less on the game, I would have caught that 23. Be1! is a much stronger way to trap the Queen than 23. Rb3.

P.S. The matchup between Georgia and Clemson Saturday night (Sep 1, 2013 at 8:00 PM EST) should be another great game, but it will be hard for these teams to match the amazing finish to the Ole Miss versus Vanderbilt game last night. Highlights of the dramatic last three minutes of this game, won by Ole Miss by a score of 39 to 35, can be viewed at http://sports.yahoo.com/blogs/ncaaf... I'm not particularly a fan of either Ole Miss or Vandy, but this was one of the most stunning finishes I've seen to any sporting event.

Aug-30-13
Premium Chessgames Member
  OhioChessFan: I was with <woodyb> and tried 21. d6 before Ra4. 21. d6 exd6 22. fxe5 Bxe5 23. Ra4 and it's pretty much back to the game line.
Aug-30-13  mistreaver: Friday. White to play. 21.? Difficult.
Black's queen is in grave Dabger probably
21 Ra4! Qxb2
22 Rb1 Qxc3
23 Rb3
And the lady has no squares.
Time to check, altough i am kinda surprised if this is the solution. -----------------
Ok, my line is probably winning, but Be1 is much better since the rook on b file is much more useful then the one on a file (after 23... Qxb3 24 cxb3 white's advantage is less significant then after best play, altough probably sufficient).
Aug-30-13  Patriot: I'll go with 21.Ra4:

21...Qxb2 22.Rb1 Qxc3 23.Rxb7+ Ke8 24.Rb3

Aug-30-13  Madman99X: <TheaN:> Thank you for pointing that out. What a difference a pawn makes. I copied the position absolutely perfectly minus the a5 pawn. How embarassing.
Aug-30-13
Premium Chessgames Member
  kevin86: I thought it would be a queen trap,but didn't see the nuts and bolts of it,however.
Aug-30-13
Premium Chessgames Member
  chrisowen: Erm I radial rook fade a take down black queen beds in where to go a juicy bind b4 l0 win 23.Be1 the door to candidates a plenty in light rook up a 21.Ra4-

Bethany in advance bcolom queen undulate no room for maneovre as is trapped by white rooks knight and bishop heading good coup de grace line grows the way in boxed sub a churlish 19...nc8 instead man a bemoaning 19...Qxb2 poised on the precipe inch effect ramble give pawne4 brick or ne4 trumpet queen escapes tell the mortar to your daughter e2 us think "mission" at a belt upper lift e4 a foggy bare gain bishop g4 aint you exposed e-colom queen h4 and er mine light c3 oats for boats cat he caged for favour dominate the landscape go at a5 boy b6 and troop the colors white should win delivery h4 finger g4 look set able misshap python.

I constrict 19...Nc8 go you 20.Bxd7~+ sting in the tail eg blocked boot 20...Kxd7 leading to a drab fertile ground dry up a 21.Ra4finger b4 so a 21...Qxb2 mission five white pieces alive to be 22.Rb1 queen decided to plump for c3 eg success if choose a wave in b1 lewd gestures in e1 sack black queen bete noire not enough compensation attack knight in c3 awkward curious to veto ok go 22.Qxc3 inceed now eg bishop heads abreast in got 23.Be1 stipulate ha guess tab in the d4 queen fin siecle de Qxb2?

22.Rb1 Qxc3 23.Be1 Qd4+ black at sixes and sevens cuffed equal queen minus right rook one addendum ever miffed fly giving going doer b2 hoofed have cuffed flow aether in flag 24.Rxd4 good it now in ie be queen proof a knight c3 off inch delve devious oak it koinus job oodles fan to better me duty 24...exd4 25.Rxb7+ garage being churlish game a frayed pawn can biffed also burly rookb7 queen ersatz to among 25.Kd8 head feed child d6 see deems over ignoble straight a king divulges to verificate night rooked b7 earth a rage be affable 27.Qg4 mate in 7.

Aug-30-13  BOSTER: Today we have two possibilities to enjoy watching the chess.

First, you can watch the game Kramnik vs Andreikin.

Second, you can study <POTD>. If you chose the study <POTD> , it's better if you have the skill to see all pieces on the board at the same time. You can easy to see that black queen is almost trapped , that by sacr. the knight on c3 white rook can move to the 7 rank, and after Rb3 the black queen is trapped.

This line looks like this 21.Ra4 Qxb2 22.Rb1 Qxc3 23.Rxb7+ Ke8 24.Rb3.

When you see all this, and are not very satisfied , switch to the game Kramnik vs Andreikin (but only for premium members).

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