MESON Chess Problem Database

Problem Display
PID: 183256 (8/4p1Q1/2K5/4pp2/3k1N2/8/3PP3/8 w - - 0 1)

Utarova, Alana

Kudesnik, 2018

8/4p1Q1/2K5/4pp2/3k1N2/8/3PP3/8

#2

5 + 4

SOLUTION

  • SOUND
  • Tries
    • 1.Se6+?
      • 1...Ke4
        • 2.Qg2#
      • 1...Kc4!
    • 1.Qxe5+?
      • 1...Kc4
        • 2.Qc3#
      • 1...Kxe5!
    • 1.Qg1+?
      • 1...Ke4
        • 2.Qe3#
      • 1...Kc4!
    • 1.Qf7?
      • threat
        • 2.Qd5#
      • 1...Ke4
        • 2.Qc4#
      • 1...e6!
    • 1.Qg8?
      • threat
        • 2.Qd5#
      • 1...Ke4
        • 2.Qc4#
      • 1...e6!
    • 1.e3+?
      • 1...Ke4
        • 2.Qg2#
      • 1...Kc4!
  • Keys
    • 1.Qg3!
      • threat
        • 2.Qd3#
      • 1...Kc4
        • 2.Qc3#
      • 1...Ke4
        • 2.Qe3#
      • 1...exf4
        • 2.Qxf4#
      • 1...e4
        • 2.Qc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(a);N_SPINP(b),P-FLIGHT::QAB(E)
      • Refutation
        • K(a);N_SPINP(b),P-FLIGHT
    • Try
      • Q(E);CHECK,XP(b)
      • Vars
        • K(a);OGATE,P-FLIGHT::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT,XQ(E)
    • Try
      • Q(E);CHECK,N_PINP(b)
      • Vars
        • K(a);P-FLIGHT::QAR1(E)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(E);N_PINP(b)
      • Threat
        • QAR1(E)
      • Vars
        • K(a);P-FLIGHT::QAR2(E)
      • Refutation
        • P(d);
    • Try
      • Q(E);N_PINP(b)
      • Threat
        • QAR1(E)
      • Vars
        • K(a);P-FLIGHT::QAR2(E)
      • Refutation
        • P(d);
    • Try
      • P(B);CHECK
      • Vars
        • K(a);N_SPINP(b),P-FLIGHT::QAB(E)
      • Refutation
        • K(a);N_SPINP(b),P-FLIGHT
  • Actual
    • Q(E);N_PINP(b)
    • Threat
      • QAR1(E)
    • Vars
      • K(a);P-FLIGHT::QAR1(E)
      • P(b);OGATE,XS(C)::QAR2(E),XP(b)
      • P(b);SBLOCK::QAB1(E)
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Developed and maintained by Brian Stephenson.
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