2 Responses to Saturday Quiz

  1. Yuichi Sato says:
    December 28, 2013 at 22:10

    (a) 1.Bxg7+ Rxg7 2.Qc5+
    (a1) 2. …Re7 3.Rxe7 Qxe7 4.Rg8+
    (a1) ① 4. …Kxg8 5.Qxe7 h6 ( 5. …Kh8?? 6.h6 [ threatening checkmate with 7.Qg7# ] Rg8 7.Qe5+ or Qf6+ Rg7 8.Qxg7# ) 6.Qe6+ Kh7 7.Qxf5+ Kg8 8.Qg6+ Kh8 9.Qxh6+ Kg8 ＋－
    (a1) ② 4. …Kf7 5.Qxe7+ Kxe7 6.Rxb8 Kd6 7.Rxb7 ＋－
    (a2) 2. …Qe7 3.Rxe7 Rxe7 4.Rg8+ Kxg8 5.Qxe7 h6 6.Qe6+ Kh7 7.Qxf5+ Kg8 8.Qg6+ Kh8 9.Qxh6+ Kg8 ＋－
    (a3) 2. …Kg8 3.Re7
    (a3) ① 3. …Rxg3 4.Rxc7 Re8 5.Qc4+ Kh8 6.Qf7 ( threatening checkmate with 7.Qxh7# ) Re1+ 7.Kh2 Rxg2+ 8.Kxg2 Re7 9.Rxe7 c5 10.Qxh7#
    (a3) ② 3. …Qxe7 4.Qxe7 Rxg3 5.Qe6+
    (a3) ② ① 5. …Kg7 6.h6+ Kf8 ( or 6. …Kh8 7.Qe5+ Kg8 8.Qxb8+ Kf7 9.Qxb7+ ＋－ ) 7.Qd6+ Kf7 8.Qxb8 Kg6 9.Qxb7 Kxh6 10.Qxc6+ Rg6 11.Qf3 ＋－
    (a3) ② ② 5. …Kf8 6.Qd6+ Kf7 7.Qxb8 Rg8 8.Qxb7+ ＋－
    (a3) ② ③ 5. …Kh8 6.Qe5+ Kg8 ( or 6. …Rg7 7.Qxb8+ Rg8 8.Qxb7 ＋－ ) 7.QXb8+ Kf7 or Kg7 8.Qxb7+ ＋－
    (a4) 2. …Kf7? 3.Rxg7+ Kxg7 4.Re7+ Qxe7 5.Qxe7+ Kh8 ( or 5. …Kg8 6.h6 Kh8 7.Qg7# ) 6.h6 ( threatening checkmate with 7.Qg7# ) Rg8 7.Qe5+ or Qf6+ Rg7 8.Qxg7#
    (b) 1.Bxg7+ Kg8? 2.Be5+ Kf8 3.Bxc7 Re8 ( 3. …Rxc7?? 4.Qg8# ) 4.Bd6+ Ree7 ( 4. …Rfe7?? 5.Qg8# ) 5.Rxe7 Rxe7 6.Qg8# or Rg8#
    　

  2. yelenadembo says:
    December 29, 2013 at 10:18

    Definitely an interesting idea, but white played 1.Rxg7 and 2.Rg3 in the game!

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