MESON Chess Problem Database

Problem Display
PID: 139326 (6K1/8/8/8/2P1pkP1/7P/8/4Q1B1 w - - 0 1)

Fomichev, Evgeny Vasilevich

Aleksandr Galitzky - Shakhmaty Geine (Vol 1), 2010

6K1/8/8/8/2P1pkP1/7P/8/4Q1B1

#2

6 + 2

5454 Near Snap 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Kf3
      • 2.Qf2#
    • 1...e3
      • 2.Qxe3#
  • Tries
    • 1.Kg7?
      • 1...Kf3
        • 2.Qf2#
      • 1...Kg5
        • 2.Be3#
      • 1...e3
        • 2.Qxe3#
      • 1...Ke5!
    • 1.Be3+?
      • 1...Kf3
        • 2.Qf2#
      • 1...Ke5!
    • 1.Bd4?
      • threat
        • 2.Qe3#
      • 1...Kf3
        • 2.Qf2#
      • 1...e3
        • 2.Qxe3#
      • 1...Kg5!
    • 1.Qc3?
      • 1...e3
        • 2.Qxe3#
      • 1...Kg5!
  • Keys
    • 1.Kf7!
      • 1...Kf3
        • 2.Qf2#
      • 1...Ke5
        • 2.Qg3#
      • 1...Kg5
        • 2.Be3#
      • 1...e3
        • 2.Qxe3#

Anticipated by 24206(1900), 121468(1900), 160177(1923)

This is a version of 139325

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(b);P-FLIGHT::QAR1(A)
    • P(a);::QAB1(A),XP(a)
  • Tries
    • Try
      • K(F);P-FLIGHT
      • Vars
        • K(b);P-FLIGHT::QAR1(A)
        • K(b);S_FLIGHT::B(B)
        • P(a);::QAB1(A),XP(a)
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT
    • Try
      • B(B);CHECK
      • Vars
        • K(b);P-FLIGHT::QAR1(A)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(B);
      • Threat
        • QAB1(A)
      • Vars
        • K(b);P-FLIGHT::QAR1(A)
        • P(a);::QAB1(A),XP(a)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • P(a);::QAB1(A),XP(a)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • K(F);S_FLIGHT
    • Vars
      • K(b);P-FLIGHT::QAR1(A)
      • K(b);P_SPINP(a),S_FLIGHT::QAB(A)
      • K(b);S_FLIGHT::B(B)
      • P(a);::QAB1(A),XP(a)
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