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DrGridlock
Member since May-02-07 · Last seen Jun-24-22
Northern Michigan is my current home. I grew up near Detroit, and played chess as a junior. I attended Hope College and the University of Chicago, and lived and worked in Washington DC for 10 years.

I'm just getting back into chess, and enjoying Chessgames.com as a way to find my way back.


   DrGridlock has kibitzed 972 times to chessgames   [more...]
   Jun-06-22 A A Zaremba vs R Antonio, 1995 (replies)
 
DrGridlock: Queen sac Monday? 23 ... Qg3+; 24 Bxg3 Rh1# Rook sac Monday? 23 ... Rg3+; 24 Bxg3 Qh1# Exchange sac Monday? 23 ... Rxh2+; 24 Be4 Rh1+; 25 Bxh1 Qxh1# Just don't try sacking a minor piece with Nxe3 or with Be4.
 
   May-24-22 G Garcia vs B Zuckerman, 1986
 
DrGridlock: The "tricky" part of the puzzle is that just about any move wins for White so it's hard to pick just >one<. Black's game continuation is not his best play, so before deciding on 24 Nxf7 you also have to calculate better defenses for black, beginning with the check 24 ... ...
 
   Mar-14-22 Ahues vs Rubinstein, 1930 (replies)
 
DrGridlock: < There aren't really any alternatives to consider. Now, White threatens Qh8#, and the only reasonable way to prevent this is to move the queen along the 7th (else Qg7#).> It's a bit trickier than most Mondays. Black's best alternative on move 35 is to block the a1-h8 ...
 
   Mar-09-22 NN vs E Canal, 1935 (replies)
 
DrGridlock: <<Calculon: Is Ne2 the losing move or just one in a series of bad moves? It seems to serve no purpose; it costs a tempo to free the King's bishop.>> 2 Ne2 is generally considered superior to 2 Ke2. The later makes an occasional (!?) appearance in grandmaster games :) ...
 
   Jan-10-22 D Anton Guijarro vs Y Santiago, 2018 (replies)
 
DrGridlock: I saw that white's queen and bishop are nicely stacked along the a1-h8 diagonal, with mating threats on g7 and h8. I first looked at picking up black's knight with Rxf7, since mate follows after Bxf7 or Qxf7. However, after Kxf7 the king can run and hide on e8 with no way for ...
 
   Dec-27-21 A Donchenko vs Nakamura, 2021
 
DrGridlock: A fortunate escape for Naka. After 53 Rc6 Alexander Donchenko - Hikaru Nakamura 0-1 1.2, World Rapid 2021 [DIAGRAM] Black is busted. Obviously cannot take 53 ... Bxc6, and white rook is going to swoop across the 6 rank and take black's g-pawn. After 58 Bg2 things really ...
 
   Nov-16-21 Iturrizaga Bonelli vs A Chandra, 2018 (replies)
 
DrGridlock: The <good> thing about bishops in end-games is that they can move long distances in a single sashay. The <bad> thing about bishops is that they can never (ever) move to a square of a different color. Promoting (or preventing promotion) of a pawn on the square the ...
 
   Nov-01-21 Salov vs Piket, 1991 (replies)
 
DrGridlock: Probably the trickiest part of the puzzle is that after: 39 ... Nxf4+ 40 Qxf4 Black has 4 different knight moves (h5, f5, e4, e2) which uncover the queen check down the g-file on White's king. It does take a bit of calculation to find that: (i) none lead directly to mate
 
   Oct-26-21 M Narva vs I Bulmaga, 2021 (replies)
 
DrGridlock: <awfulhangover> You're right - I was not precise in my refution of Al's bad variations. Still true that 38 Rxf4 is the solution - and there are no perpetual check "outs" for Black.
 
   Sep-20-21 E Schiller vs T Redman, 1975 (replies)
 
DrGridlock: I first looked at Rg6+, and noticed that it forces black to sac his queen in order to survive. (Counting material, White who starts a bishop down, gets a queen for a rook and bishop). I then noticed that after the rook and queen trade that black's knight is hanging on on c8 ...
 
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