MESON Chess Problem Database

Problem Display
PID: 224192 (5r2/7Q/6p1/3P1pP1/8/3KpkBP/2R3R1/8 w - - 0 1)

Navon, Emanuel

Vatarescu, Paul

Variantim, 2005

5r2/7Q/6p1/3P1pP1/8/3KpkBP/2R3R1/8

#2

8 + 5

SOLUTION

  • SOUND
  • Tries
    • 1.Qxg6?
      • threat
        • 2.Qh5#
      • 1...Rh8
        • 2.Qxf5#
      • 1...e2!
    • 1.Qc7?
      • threat
        • 2.Qf4#
      • 1...e2
        • 2.Rf2#
      • 1...f4!
    • 1.Qe7?
      • threat
        • 2.Qxe3#
      • 1...e2
        • 2.Qxe2#
      • 1...f4
        • 2.Qe4#
      • 1...Re8!
  • Keys
    • 1.Qh4!
      • threat
        • 2.Qf4#
      • 1...e2
        • 2.Rf2#
      • 1...f4
        • 2.Qg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(H);XP(d)
      • Threat
        • QAB(H)
      • Vars
        • R(e);N_GUARD::QAR2(H),XP(c)
      • Refutation
        • P(a);
    • Try
      • Q(H);
      • Threat
        • QAR1(H)
      • Vars
        • P(a);N_GUARD::R1(B)
      • Refutation
        • P(c);
    • Try
      • Q(H);
      • Threat
        • QAR1(H),XP(a)
      • Vars
        • P(a);OGATE::QAB1(H),XP(a)
        • P(c);N_GUARD::QAB1(H)
      • Refutation
        • R(e);
  • Actual
    • Q(H);
    • Threat
      • QAR1(H)
    • Vars
      • P(a);N_GUARD::R1(B)
      • P(c);N_GUARD::QAB1(H)
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