Saturday Quiz

4 Responses to Saturday Quiz

1. Yuichi Sato says:

   March 29, 2014 at 14:34

   (a) 1.Nc7+ Kxd6 2.Bxc5+
   (a1) 2. …Kxc5 3.Ne6+ Kd6 4.Nf8
   (a1) ① 4. …Ke7 5.g8=Q Rxf8 ( 5. …Rc8? 6.Ng6+ Kd7 7.Ne5+ Kc7 8.Qxc4+ ＋－ ) 6.Qxc4 ＋－
   (a1) ➁ 4. …Rb1+ 5.Kg2 Rb2+ 6.Kh3 c3 7.g8=Q and White gains a decisive advantage over Black ( 7. …c2?? 8.Qe6+ Kc5 [ or 8. …Kc7 9.Qe5+ Kc6 10.Qxb2 ＋－ ] 9.Qe5+ Kc4 10.Qxb2 ＋－ ).
   (a2) 2. …Kxc7 3.Bf8 Rb1+ 4.Kg2 Rb2+ 5.Kh3 c3 6.g8=Q and Black is being overwhelmed by White ( 6. …c2?? 7.Qg7+ Kd7 8.Qxb2 ＋－ ).
   (b) 1.Nc7+ Kf6
   (b1) 2.Nce8+ Rxe8 ( or 2. …Ke7 3.g8=Q ＋－ ) 3.Nxe8+ Kf7 4.Bxh6 c3 5.Nf6 Kg6 6.g8=Q+ Kxh6 7.Qc4 ＋－
   (b2) 2.Nde8+ Rxe8 ( or 2. …Ke7 3.g8=Q ＋－ ) 3.Nxe8+ Kf7 4.Bxh6 c3 5.Nf6 Kg6 6.g8=Q+ Kxh6 7.Qc4 ＋－
   (c) 1.Nc7+ Ke7 2.Nce8
   (c1) 2. …Rxe8 3.Nxe8 Kf7 4.Bxh6 c3 5.Nf6 Kg6 6.g8=Q+ Kxh6 7.Qc4 ＋－
   (c2) 2. …Rb1+ 3.Kg2 Rb2+ 4.Kf3 Rxh2 5.g8=Q ＋－
   (c3) 2. …Rb3 3.Kf2 Rb2+ 4.Kf3 Rxh2 5.g8=Q ＋－
   (d) 1.Nc7+ Kf6 2.Nce8+ Rxe8 ( or 2. …Ke7 3.g8=Q ＋－ ) 3.Nxe8+ Kf7 4.Bxh6 c3 5.Nf6 Kg6 6.g8=Q+ Kxh6 7.Qc4 ＋－
2. mdchess says:

   March 30, 2014 at 06:45

   1, Ne8 if RxN then Nc7+ wins
   1. Ne8 Kf7 2. Nf6 wins
3. yelenadembo says:

   March 30, 2014 at 06:51

   Very good!
4. yelenadembo says:

   March 30, 2014 at 06:52

   Looks very interesting as well, but 1.Ne8 was played in the game.