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Bubo bubo
Member since May-14-14 · Last seen May-18-18
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 414 times to chessgames   [more...]
   May-16-18 K Rathnakaran vs K Arjun, 2017 (replies)
Bubo bubo: White has a strong battery on the f-file supported by the bishop, but at the moment the invasion squares f7 and f8 are sufficiently defended. Hence he needs an additional attacker, and this can only be the e-pawn: 31.e6!, threatening 32.Qf7+ Qxf7 (32...Kh8 33.Bg7#) 33.exf7+ Black ...
   May-15-18 M Rodshtein vs T L Petrosian, 2008 (replies)
Bubo bubo: After 28.Qc7+, Black loses his queen: 28...Qe7 29.Rg7+ or 28...Ke8 29.Bb5+.
   May-14-18 F Beltz vs A Guerrero Rodriguez, 2008 (replies)
Bubo bubo: White, who is already up a piece, wins with 31.Rxg6+ Kxg6 32.Qf6+, and it's mate after either 32...Kh7 33.Rh3+ Kg8 34.Rh8# or 32...Kh5 33.Rh3+ Kg4 35.Rh4#.
   Apr-27-18 Yates vs A Haida, 1925 (replies)
Bubo bubo: L’Année dernière à Marienbad
   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. :-(
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