2 Responses to Thursday Quiz

  1. Yuichi Sato says:

    (a) 1. …Qh3+ 2.Kxh3 Rxg3++
    (a1) 3.Kh2 Rg2++ 4.Kh1 Rh2#
    (a2) 3.Kh4 Be7+ 4.Bg5 (, 4.Kh5?? Rxf3 5.Ng3 or Rh1 [ or 5.Rg1 Rh3# ] Bg4#, or 4.Qf6?? Bxf6+ 5.Kh5 Bg4# or Rh3# ) Rxf3 5.Ng3 or Rh1 ( 5.Bxe7?? Rh3# ) Bxg5+ 6.Kh5 Rxf2 -+
    (b) 1. …Qh3+ 2.Kg1 Rxg3+ 3.fxg3 ( or 3.Nxg3 Bxg3 4.fxg3 Rxg3+ 5.Qxg3 Qxg3+ 6.Kh1 Bh3 7.Re2 Qf3+ 8.Kh2 Qxe2+ 9.Kxh3 Qxe3+ -+ ) Bxg3 4.Nxg3 (, 4.Nf4 Bh4+ 5.Ng2 Qxf3 and Black wins. , 4.Qg2?? Bh2+ 5.Kf1, Kf2, or Kh1 Qxg2#, or 4.Qf6?? Bh2+ 5.Kf1, Kf2, or Kh1 Qg2# ) Rxg3+ 5.Qxg3 Qxg3+ 6.Kh1 ( or 6.Kf1 Qf3+ 7.Kg1 Bh3 [ threatening checkmate with 8. …Qg2# ] 8.Re2 Qxe2 9.Bf2 Qg4+ 10.Bg3 [ or 10.Kh1 or Kh2 Qg2# ] Qxg3+ 11.Kh1 Qg2# ) Bh3 ( threatening checkmate with 7. …Qg2# ) 7.Re2 Qf3+ 8.Kh2 Qxe2+ 9.Kxh3 Qxe3+ -+

  2. yelenadembo says:

    Very good!

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