MESON Chess Problem Database

Problem Display
PID: 193332 (5nQ1/6Rp/8/7k/8/8/K7/5n2 w - - 0 1)

Hody, Janos

Eskilstuna Kuriren, 1914

5nQ1/6Rp/8/7k/8/8/K7/5n2

#2

3 + 4

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Se6
      • 2.Rxh7#
      • 2.Qxh7#
    • 1...Sd7
      • 2.Rxh7#
      • 2.Qxh7#
  • Tries
    • 1.Rg1?
      • threat
        • 2.Qg5#
      • 1...Kh4
        • 2.Qg4#
      • 1...Kh6
        • 2.Qg5#
      • 1...Se6
        • 2.Qxh7#
      • 1...Sg6
        • 2.Qxh7#
      • 1...h6
        • 2.Qg4#
      • 1...Sg3!
    • 1.Rg3?
      • threat
        • 2.Rh3#
        • 2.Qg5#
      • 1...Kh4
        • 2.Qg4#
        • 2.Qg5#
      • 1...Kh6
        • 2.Rh3#
        • 2.Qg5#
      • 1...Se6
        • 2.Rh3#
        • 2.Qxh7#
      • 1...Sg6
        • 2.Qxh7#
      • 1...h6
        • 2.Rh3#
        • 2.Qg4#
      • 1...Sxg3!
    • 1.Rg5+?
      • 1...Kh6
        • 2.Qg7#
      • 1...Kh4!
    • 1.Qd5+?
      • 1...Kh6
        • 2.Qg5#
      • 1...Kh4!
  • Keys
    • 1.Rg2!
      • threat
        • 2.Qg5#
      • 1...Kh4
        • 2.Qg4#
      • 1...Kh6
        • 2.Qg5#
      • 1...Sg3
        • 2.Rh2#
      • 1...Se6
        • 2.Qxh7#
      • 1...Sg6
        • 2.Qxh7#
      • 1...h6
        • 2.Qg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);
      • Threat
        • QAR1(C)
      • Vars
        • K(b);P-FLIGHT::QAR1(C)
        • K(b);P-FLIGHT::QAB1(C)
        • S(d);N_GUARD::QAR2(C),XP(c)
        • P(c);SBLOCK::QAB1(C)
      • Refutation
        • S(a);
    • Try
      • R(B);
      • Threat
        • DUALS(2)
      • Vars
        • S(d);N_GUARD::QAR2(C),XP(c)
      • Refutation
        • S(a);XR(B)
    • Try
      • R(B);CHECK
      • Vars
        • K(b);P-FLIGHT::QAB1(C)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • K(b);P-FLIGHT::QAB1(C)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • R(B);
    • Threat
      • QAR1(C)
    • Vars
      • K(b);P-FLIGHT::QAR1(C)
      • K(b);P-FLIGHT::QAB1(C)
      • S(a);N_GUARD::R(B)
      • S(d);N_GUARD::QAR2(C),XP(c)
      • P(c);SBLOCK::QAB1(C)
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