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Bubo bubo
Member since May-14-14 · Last seen Nov-17-17
Mathematician from Germany, back to chess after a hiatus of 20 years. Former rating approx. 1750 (DWZ).
>> Click here to see Bubo bubo's game collections.

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   Bubo bubo has kibitzed 382 times to chessgames   [more...]
   Nov-15-17 J Brenninkmeijer vs A Pieniazek, 1987 (replies)
 
Bubo bubo: On 33.Rxa7! Black cannot afford to recapture: 33...Qxa7 34.Qg6+ Kf8/h8 35.f7 with the decisive threat of Qg8+ resp. Qh6#. Interposing is also hopeless, therefore Black can only try the <zwischenzug> 33...Re3, but White renews his threat with 34.Qf5. The black queen has no ...
 
   Nov-15-17 Najdorf vs J Vinuesa, 1941
 
Bubo bubo: Alas the draw was agreed after 68...Kh3!, cutting short the final twist of this tricky endgame: After 69.b5 f4! (only move to draw!), White can set a trap with 70.Ke4. Now 70...Kg4? (intending to avoid g3 again) loses because 71.b6 f3 72.Ke3 threatens to stop the pawn, so Black ...
 
   Nov-14-17 L Schandorff vs T Willemze, 2016 (replies)
 
Bubo bubo: The black bishop is overloaded: it has to protect the knight and must guard e7 against the royal fork. Hence 27.Rxb6 simply wins a piece.
 
   Nov-13-17 Portisch vs M Damjanovic, 1968 (replies)
 
Bubo bubo: 40.Rxg8+ lures the black king into a skewer: 40...Kxg8 41.Qh8+ Kf7 42.Qxa8
 
   Nov-09-17 J Salas Romo vs H Appel, 1945 (replies)
 
Bubo bubo: Found the first two moves quickly, but then I got stuck, completely missing 23.Nc5+ (I only considered 23.Qh4+ and 23.Nxd6+)
 
   Nov-08-17 Short vs Vaganian, 1989 (replies)
 
Bubo bubo: White wins the queen with a repeated skewer: 51.Be5+ Kxe5 52.Qc3+ and 53.Qxg7. The easiest Wednesday puzzle ever?
 
   Nov-07-17 R Jumabayev vs F Vallejo Pons, 2016 (replies)
 
Bubo bubo: Since the pawn on f7 is pinned, the black queen is only seemingly protected. White exploits this by playing 34.Nf6+! If Black wants to keep his queen he has to reply 34...Kh8, but after 35.Qxg6 fxg6 36.Nxd8 now the Pg7 is pinned, hence White threatens Rxh6#. So Black cannot afford
 
   Nov-07-17 Nezhmetdinov vs M Kamishov, 1950 (replies)
 
Bubo bubo: <An Englishman: Good Evening: Unless I can no longer count, the combined names have 53 letters.> I can outbid that with the oldest instance of the Morra gambit in our database: Kieseritzky vs C W Vitzthum von Eckstaedt, 1846
 
   Nov-06-17 D Graham vs A Bourached, 2014
 
Bubo bubo: Hoped in vain I could learn something about this line of the Sicilian here...
 
   Nov-06-17 E Sosnowska vs A Brustman, 1987 (replies)
 
Bubo bubo: Back-rank mate thanks to an x-ray: 26...Rf1+ 27.Rxf1 Rxf1#
 
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