MESON Chess Problem Database

Problem Display
PID: 57680 (6K1/6R1/8/6nk/5P1b/4Q3/6P1/8 w - - 0 1)

Shire, David J

British Chess Magazine, 2005

6K1/6R1/8/6nk/5P1b/4Q3/6P1/8

#2

5 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Rxg5+?
      • 1...Kh6
        • 2.Qb6#
        • 2.Qe6#
      • 1...Bxg5!
    • 1.Qg3?
      • 1...Kh6
        • 2.Qxh4#
      • 1...Sf3
        • 2.Rh7#
        • 2.Qg6#
      • 1...Sh3
        • 2.Rh7#
        • 2.Qg6#
      • 1...Se4
        • 2.Rh7#
        • 2.Qg6#
      • 1...Se6
        • 2.Rh7#
        • 2.Qg6#
      • 1...Sf7
        • 2.Qg6#
      • 1...Sh7
        • 2.Rxh7#
        • 2.Qg6#
      • 1...Bxg3!
  • Keys
    • 1.f5!
      • 1...Kg4
        • 2.Qf3#
      • 1...Kh6
        • 2.Rh7#
      • 1...Be1
        • 2.Qxg5#
      • 1...Bf2
        • 2.Qxg5#
      • 1...Bg3
        • 2.Qxg5#
      • 1...Sf3
        • 2.g4#
      • 1...Sh3
        • 2.g4#
      • 1...Se4
        • 2.g4#
      • 1...Se6
        • 2.g4#
      • 1...Sf7
        • 2.g4#
      • 1...Sh7
        • 2.g4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(D);CHECK,XS(b)
      • Refutation
        • B(a);XR(D)
    • Try
      • Q(B);
      • Vars
        • K(c);P-FLIGHT::QAR2(B),XB(a)
        • S(b);OGATE::QAB1(B)
      • Refutation
        • B(a);XQ(B)
  • Actual
    • P(C);
    • Vars
      • K(c);P_SPINS(b),S_FLIGHT::QAB1(B)
      • K(c);P-FLIGHT,P_SPINS(b)::R1(D)
      • B(a);N_GUARD::QAR1(B),XS(b)
      • S(b);::P(A)
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