MESON Chess Problem Database

Problem Display
PID: 55312 (R7/5K1P/n1B1PP2/6Np/2P3kp/1Q1p1R1p/6p1/1bB4n w - - 0 1)

Guida, Marco

3rd HM., The Problemist, 2004

R7/5K1P/n1B1PP2/6Np/2P3kp/1Q1p1R1p/6p1/1bB4n

#2

11 + 9

56 The Problemist 2006

SOLUTION

  • SOUND
  • Tries
    • 1.Sxh3?
      • threat
        • 2.Rg8#
      • 1...Sg3
        • 2.Sf2#
      • 1...d2
        • 2.Rf4#
      • 1...Sb8!
    • 1.Se4?
      • threat
        • 2.Rf4#
      • 1...Kxf3
        • 2.Qd1#
      • 1...d2
        • 2.Rg8#
      • 1...h2!
  • Keys
    • 1.Rg8!
      • threat
        • 2.Sxh3#
      • 1...Sg3
        • 2.Rf4#
      • 1...d2
        • 2.Se4#
      • 1...h2
        • 2.Sh3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);XP(e)
      • Threat
        • R(K)
      • Vars
        • S(b);N_GUARD::S(E)
        • P(d);::R1(C)
      • Refutation
        • S(i);
    • Try
      • S(E);
      • Threat
        • R1(C)
      • Vars
        • K(f);OGATEB,P_SPINP(d),S_FLIGHT,XR(C)::QAB(B)
        • P(d);::R(K)
      • Refutation
        • P(e);
  • Actual
    • R(K);
    • Threat
      • R(K)+S(E),XP(e)
    • Vars
      • S(b);SBLOCK::R1(C)
      • P(d);::R(K)+S(E)
      • P(e);::R(K)+S(E)
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