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Bubo bubo
Member since May-14-14 · Last seen Jan-15-18
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. Full Member

   Bubo bubo has kibitzed 403 times to chessgames   [more...]
   Jan-08-18 L Cooper vs Igor Ivanov, 1987 (replies)
Bubo bubo: Black opens the a-file, for mate-in-three: 31...Rxa3+ 32.Kxa3 Ra8+ 33.Qa5 Rxa5#
   Dec-27-17 Mo Zhai vs Qi Guo, 2016 (replies)
Bubo bubo: Mate-in-three: 19.Qh7+ Kxf8 20.Qh8+ Ke7 21.Qd8#
   Dec-19-17 W So vs Nakamura, 2016 (replies)
Bubo bubo: White threatens to stop the a-pawn with Be5. Black prevents this by entering the long diagonal first: 39...Bd4!, threatening a2 and a1Q. After 40.Kxd4 a2 the diagonal remains blocked and the pawn will promote, and 40.Be5 Bxe5 or 40.Bf2 Bxf2 are pointless as well. The puzzles ...
   Dec-18-17 M Bosiocic vs I Kowalski, 2017 (replies)
Bubo bubo: Monday as we know it seems to be back again: 31.Qxh7+ Kxh7 32.Rh4+ Kg8 33.Rh8#
   Dec-15-17 Taha Dawabsha vs A El Jawich, 2016
Bubo bubo: The term <arabian mate> fits quite well here...
   Dec-15-17 Kevin Cupid vs A El Jawich, 2016
Bubo bubo: It seems as if Black could have done better by capturing on c6 in time, e.g. at move 57.
   Dec-14-17 Murey vs T Bottema, 1987
Bubo bubo: White must make use of his pawn on c7 now, otherwise he will lose it after an exchange of queens. Therefore 32.Rb8!, pinning the unguarded Rc8: A) The rook must not capture on b8 or retreat to f8, or White will get a second queen (32...Rf8 33.Rxf8+ Qxf8 34.Qxf8+ Kxf8 35.c8Q+ or ...
   Dec-13-17 Gulko vs Adams, 2000
Bubo bubo: Black opens the 2nd rank with an indirect exchange of the knights: 37...Ne3 38.fxe3 Rb2+ and 39...Qxf3. White gets mated in any case: A) If the king returns to the back rank, White has no sufficient defense against Qg2#, e.g. 39.Kf1 Qxf3+ 40.Ke1 Qf2+ 41.Kd1 Qd2# or 39.Kg1 Qxf3 ...
   Dec-12-17 R J Dive vs P W Stuart, 1987 (replies)
Bubo bubo: White wins the queen for a rook by luring her into a skewer: 29.Rd7+ Qxd7 30.Rh7+, and 30...Rf7 does not help, because after 31.Rxf7+ the king is overloaded.
   Dec-11-17 Judit Polgar vs P Kerkhof, 1987 (replies)
Bubo bubo: What has happened to the Monday puzzle?! Tricky endgames and mate-in-13 seem to have displaced the familiar Q-sac...
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