MESON Chess Problem Database

Problem Display
PID: 240039 (4R3/6pp/3B2k1/4Q3/4K3/8/8/8 w - - 0 1)

Mosiashvili, Givi

Problemist Pribuzhya, 1993

4R3/6pp/3B2k1/4Q3/4K3/8/8/8

#2

4 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kf7
      • 2.Qe6#
    • 1...h6
      • 2.Qf5#
  • Tries
    • 1.Kf4?
      • 1...Kh6
        • 2.Qg5#
      • 1...Kf7
        • 2.Qe6#
      • 1...h6
        • 2.Qf5#
      • 1...h5!
    • 1.Re7?
      • 1...h5
        • 2.Qxg7#
      • 1...h6
        • 2.Rxg7#
        • 2.Qf5#
      • 1...Kh6!
    • 1.Rg8?
      • 1...Kf7
        • 2.Rxg7#
      • 1...h5
        • 2.Qxg7#
      • 1...h6
        • 2.Rxg7#
        • 2.Qf5#
      • 1...Kh6!
    • 1.Rh8?
      • 1...Kf7
        • 2.Qf5#
      • 1...h5
        • 2.Qf5#
      • 1...h6
        • 2.Qf5#
      • 1...Kh6!
    • 1.Qh5+?
      • 1...Kf6
        • 2.Be5#
        • 2.Qf5#
      • 1...Kxh5!
  • Keys
    • 1.Bf8!
      • 1...Kh6
        • 2.Re6#
      • 1...Kf7
        • 2.Qe6#
      • 1...h5
        • 2.Qxg7#
      • 1...h6
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAB1(B)
    • P(c);SBLOCK::QAB1(B)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(a);P-FLIGHT::QAB1(B)
        • K(a);S_FLIGHT::QAB1(B)
        • P(c);SBLOCK::QAB1(B)
      • Refutation
        • P(c);
    • Try
      • R(D);
      • Vars
        • P(c);SBLOCK::QAR1(B),XP(b)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(D);P_PINP(b)
      • Vars
        • K(a);N_SPINP(b),S_FLIGHT::R1(D),XP(b)
        • P(c);SBLOCK::QAR1(B),XP(b)
      • Refutation
        • K(a);N_SPINP(b),P-FLIGHT
    • Try
      • R(D);
      • Vars
        • K(a);S_FLIGHT::QAR2(B)
        • P(c);::QAB1(B)
      • Refutation
        • K(a);P-FLIGHT,P_SPINP(c)
    • Try
      • Q(B);CHECK
      • Refutation
        • K(a);S_FLIGHT,XQ(B)
  • Actual
    • B(C);
    • Vars
      • K(a);P-FLIGHT,P_SPINP(b)::R(D)
      • K(a);S_FLIGHT::QAB1(B)
      • P(c);SBLOCK::QAR1(B),XP(b)
      • P(c);SBLOCK::QAB1(B)
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