MESON Chess Problem Database

Problem Display
PID: 216150 (8/8/7Q/8/4k3/4N2P/B3P3/1K2R3 w - - 0 1)

Chernyavsky, Mykola Vasilovich

Murashev, Pavel Aleksandrovich

Probleemblad, 2019

8/8/7Q/8/4k3/4N2P/B3P3/1K2R3

#2

7 + 1

SOLUTION

  • SOUND
  • Tries
    • 1.Sg2?
      • threat
        • 2.Qf4#
      • 1...Kd4
        • 2.Qe3#
      • 1...Ke5
        • 2.Qf4#
      • 1...Kf5!
    • 1.Rc1?
      • 1...Kd4
        • 2.Qf4#
      • 1...Ke5!
    • 1.Rf1?
      • threat
        • 2.Qf4#
      • 1...Ke5
        • 2.Qf4#
      • 1...Kd4!
  • Keys
    • 1.Sg4!
      • 1...Kd4
        • 2.Qe3#
      • 1...Kf5
        • 2.e4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);
      • Threat
        • QAR1(G)
      • Vars
        • K(a);P-FLIGHT::QAB1(G)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(B);
      • Vars
        • K(a);P-FLIGHT::QAR2(G)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(B);
      • Threat
        • QAR1(G)
      • Vars
        • K(a);P-FLIGHT::QAB1(G)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • S(E);
    • Vars
      • K(a);P-FLIGHT::QAB1(G)
      • K(a);OGATE,S_FLIGHT::P(D)
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