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Bubo bubo
Member since May-14-14 · Last seen Apr-19-18
Mathematician from Germany, back to chess after a hiatus of 20 years. Former rating approx. 1750 (DWZ).
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   Bubo bubo has kibitzed 410 times to chessgames   [more...]
   Apr-09-18 O Ladva vs B Assaubayeva, 2017 (replies)
Bubo bubo: White exploits the pin on the long diagonal with 37.Bxf7+. Black cannot afford to capture with the rook (37...Rxf7 38.Rd8+ Rf8 39.R/Qxf8#), hence he has to give his queen by playing 37...Nxf7. A bit unusual for Monday, since White's win after 38.Qxb2 is not completely trivial.
   Mar-13-18 O Korneev vs Aronian, 1996 (replies)
Bubo bubo: White turns the double rook ending into an elementary win of two advanced passed pawns against a rook: 52.Rxh4+ Rxh4 53.Rxh4+ Kxh4 54.c6. Since his king is offside and the white king is close to the pawns, Black won't even reach the notorious Q vs R ending.
   Mar-12-18 Carlsen vs K Holm, 2018 (replies)
Bubo bubo: My first idea was 29.Rxe7? Rxe7?? 30.Qxg6#, but then I realized that a) Black would recapture with king instead and b) it's Monday: hence 29.Qxg6+ Nxg6 30.Nxh5#. A nice double-purpose sac, removing the guard of h5 and opening the 7th rank.
   Jan-31-18 A Sokolov vs Naiditsch, 2015 (replies)
Bubo bubo: Thanks to the two advanced pawns, White can exploit Black's weak back rank: 39.Qxf8+ Qxf8 40.Rd8! and now A) 40... Qxd8 41.Re8+ Qxe8 42.fxe8Q# B) 40... h6 41.Rxf8+ Kh7 42.Rh8+ Kxh8 43.f8Q+ Kh7 44.Qg7# C) 40... Ne6 41.Rxf8+ Nxf8 42.Re8, and mate is unstoppable: 42...h6 see B) D) ...
   Jan-29-18 Ivanchuk vs N Legky, 1987 (replies)
Bubo bubo: 35.h4+ lures the black king into the trap: 35...Kxh4 36.Qh6#.
   Jan-23-18 Hort vs Gligoric, 1971 (replies)
Bubo bubo: I went astray on the second move: 35...Bd3+?, with the intention to answer 36.Rcc2 with Qd1#, the white bishop's diagonal being blocked by the pinned rook. Nice plan - if not for the nasty fact that the d-file is now blocked as well. :-(
   Jan-22-18 Taimanov vs M Beilin, 1955
Bubo bubo: 29.R1xf4 removes Black's threat on h2 and wins a piece, because 29...exf4 would open the long diagonal and allow 30.Rg7+. As mentioned before: not the typical Monday!
   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 ...
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