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Janis Klovans vs Isaac Boleslavsky
4th Soviet Team Cup (1964), Moscow URS, Oct-??
Spanish Game: Berlin Defense. Hedgehog Variation (C66)  ·  0-1

ANALYSIS [x]

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sac: 27...Bg2+ PGN: download | view | print Help: general | java-troubleshooting

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Kibitzer's Corner
Aug-01-25
Premium Chessgames Member
  Georgy1954: Incredible and very nice geometry!
Aug-01-25
Premium Chessgames Member
  chrisowen: Sorry my dear g2 leeway bad girl :)
Aug-01-25
Premium Chessgames Member
  chrisowen: G2 TBA no
Aug-01-25  mel gibson: I missed that solution.

Stockfish 17 says:

27. .. Bg2+

(27. .. Bg2+ (1. ... Bg2+ 2.Kxg2 Qg4+ 3.Kf1 Qh3+ 4.Ke2 Re6+ 5.Qxe6 Qxe6+ 6.Kd1 Qd7+ 7.Nd2 Qh3 8.Re8+ Kh7 9.Re7 Kg6 10.Ke2 Qxh2 11.Nf1 Qh5+ 12.Ke1 Qf3 13.Re3 Qf6 14.a4 h5 ) +5.00/40 353)

score for Black +5.00 depth 40.

Aug-02-25  Walter Glattke: 27.--Bg2+
(27.- Qc6 28.Qe8+ / 27.-Re6 28.Rxe6)
28.Kxg7 Qg4+ 29.Kf1 Qh3+ 30.Ke2 Re6+ 31.Qxe6 fxe6 / 29.Kh1? Qxf3+ 30.Kg1 Rg6+ 31. Kf1 Qg2+ (not Qh1+) 32.Ke2 Re6+
Aug-06-25  Nosnibor: 27...Bg2+ is the only way to win from this position.
Aug-07-25
Premium Chessgames Member
  Honza Cervenka: 18.Nde2 would have been better. Klovans apparently did not expect 18...Nh3+!

27.Qe7 loses instantly but black was already clearly better anyway.

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