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Gilberto Milos vs Jouni Yrjola
Chess Olympiad (1984), Thessaloniki GRE, rd 11, Nov-30
King's Indian Defense: Orthodox Variation. Gligoric-Taimanov System (E92)  ·  0-1
ANALYSIS [x]

FEN COPIED

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sac: 15...axb6 PGN: download | view | print Help: general | java-troubleshooting

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 3 OF 3 ·  Later Kibitzing>
Oct-31-06  Fisheremon: <chessmoron: Is it Qxg2 mate not check? 38. Rf2 would cease it for White.

39. Bg1 should be the move.>

39. Rf2 leads to mate in 6. So the only move for White is 39. fxe6 (or same 39...Bg1 with permutation of moves) 39..Qxe1+ 40. Bg1 Nh5 41. Nf5 Re8 42. Rd1 Ng3+ 43. Nxg3 Qxg3 44. Qxe4 Rxe6 45. Rd7 Qg6 46. Qxh4 - a winning position although with a "zigzag" path play for White's pieces.

Oct-31-06  Halldor: Had to think about this for a while, usually I don't find Tuesdays difficult. Excellent puzzle.

Good comments by <yourang>.

Oct-31-06  percyblakeney: I looked at it quickly and was just about to pick Nxg2 when I realised that Ne2 was the solution...
Oct-31-06  48123: yay, i got it agian! i may be getting better at these
Oct-31-06  En prise: Nice finish. White can stop the mate on h2 or g2 but not both at the same time.
Oct-31-06  Lifelong Patzer: I chose the wrong Knight move, Nd3, but I see that Ne2 is much better! This is my first posting. Great Website.
Oct-31-06  TrueBlue: don't you just hate Halloween. Well, I do:)
Oct-31-06  Chris1Clark: Can some well tell me why not Nxg2 mate threat on Qh2 and if Rxg2 then Qxg2 mate.
Oct-31-06
Premium Chessgames Member
  JeffCaruso: <Can some well tell me why not Nxg2 mate threat on Qh2 and if Rxg2 then Qxg2 mate.> If 39 ... Nxg2 White has the resource 40. Qh5+ Kg7 41. Rxg2 pinning the Q.
Oct-31-06
Premium Chessgames Member
  thegoodanarchist: even giving away the bishop is no relief for white
Oct-31-06  Ashram64: Ne2...no stopping
Oct-31-06  ganesh957: come on <Chris1Clark> (and <JessCaruso> as well), as <chessmoron> pointed out : 39...Nxg2?????
40.Qh5+ Kg7
41.Qh6# (instead of 41.Rxg2?)

Oct-31-06  Operation Mindcrime: ♘e2!! Terrific move, reminiscent of Reti-Bogoljubov (the ♗e8!!) game, with the purpose being similar - to cut communication along the 7th rank and lead to mate. I also thought of ♕h2+? first, but couldn't find a convincing follow-up.
Oct-31-06  zb2cr: Saw this one rapidly. With 39. ... Ne2 blocking off the Rook's defense, suddenly Black has two mate threats--40. ... Qh2# and 40. ... Qxg2#. Both can't be stopped.
Oct-31-06  RandomVisitor: Could white sacrifice a rook on move 39 and stay in the game?

1: Milos Gilberto (BRA) - Yrjola Jouni (FIN), Olympiad Salonika (Greece) 1984


click for larger view

Analysis by Rybka 2.1o mp: (21-ply)

1. ± (1.04): 39.Bg1 Qxe1 40.fxe6 Nh5 41.Nf5 Qf1 42.Rf2 Qd3 43.Qe2 Qxe2 44.Rxe2 Ng3+ 45.Nxg3 Bxg3

2. ± (1.02): 39.fxe6 Qxe1+ 40.Bg1 Nh5 41.Nf5 Qf1 42.Rf2 Qd3 43.Qe2 Qxe2 44.Rxe2 Ng3+ 45.Nxg3 Bxg3

(, x 31.10.2006)

Oct-31-06  RandomVisitor: Did white have a better 38th move?

1: Milos Gilberto (BRA) - Yrjola Jouni (FIN), Olympiad Salonika (Greece) 1984


click for larger view

Analysis by Rybka 2.1o mp: (17-ply)

1. (4.05): 38.Rf2 fxg4 39.Nxe4 Qg6 40.Bxf4 Bd4 41.hxg4 Bxg4 42.Qa4 Bg7 43.Ng5 h3 44.gxh3 Bh5

2. (3.10): 38.Rf1 fxg4 39.Nxe4 Qg7 40.Bxf4 Rf8 41.Rdf2 Rxf4 42.Rxf4 Bxf4 43.Rxf4 Qa1+ 44.Kh2 g3+

(, x 31.10.2006)

Oct-31-06  cjhasbrouck: Looks like 39. ...Nxg2 messed up a lot of people.
Oct-31-06  LIFE Master AJ: Now that I am awake ... and had a few hours sleep, the solution was quite obvious.
Oct-31-06  macphearsome: what an amazing move! reminds me of a game I played recently against somebody at my university - I was trying to break through an attack with my two rooks in the center against his uncastled king, but he blocked with his knight, discovering two attacks at the same time.

I just smirked and knocked over my king.

Oct-31-06  LIFE Master AJ: What was really amazing is that I solved about 20 or 30 puzzles in a row ... (some were real tough ones), but then I got stumped by this one. (That's life.)
Oct-31-06
Premium Chessgames Member
  kevin86: I first looked at the queen sacs at g2 and h2-but the knioght was not in the proper place to deliver the mate-so I reversed the order of moves and went for the simultaneous mate threats on g2 and h2-black's bishop is opened and the white rook closed by the knight move. Both mates cannot be prevented!
Oct-31-06
Premium Chessgames Member
  playground player: Once the knight moves out of the way of the Black bishop, and blocks the White queen and rooks from defending the king, it's curtains for White. There is no move he can make to avert one checkmate or another.
Oct-31-06  Eurotrash: Got it, and I think I would find it during a game too.
Oct-31-06  Helloween: Ne2 screamed at me after about 12 seconds.
Oct-31-06  LIFE Master AJ: I learned not to try and analyze when I have been up around 17 (or more) straight hours ...
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