MESON Chess Problem Database

Problem Display
PID: 156722 (8/8/3p1R2/8/4kp2/2P5/8/3Q3K w - - 0 1)

Amirov, Talip Khasanovich

Land og Folk, 1977

8/8/3p1R2/8/4kp2/2P5/8/3Q3K

#2

4 + 3

15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Ke5
      • 2.Qd4#
    • 1...f3
      • 2.Qd4#
    • 1...d5
      • 2.Qe2#
  • Tries
    • 1.Kg2?
      • threat
        • 2.Qd4#
      • 1...Ke3
        • 2.Re6#
      • 1...Ke5
        • 2.Qd4#
      • 1...f3+!
    • 1.Kh2?
      • 1...Ke5
        • 2.Qd4#
      • 1...f3
        • 2.Qd4#
      • 1...d5
        • 2.Qe2#
      • 1...Ke3!
    • 1.Qd2?
      • 1...Ke5
        • 2.Qd4#
      • 1...f3
        • 2.Qd4#
      • 1...d5
        • 2.Qe2#
      • 1...Kf3!
    • 1.Qd3+?
      • 1...Ke5
        • 2.Qf5#
        • 2.Qd4#
      • 1...Kxd3!
  • Keys
    • 1.Kg1!
      • 1...Ke3
        • 2.Re6#
      • 1...Ke5
        • 2.Qd4#
      • 1...f3
        • 2.Qd4#
      • 1...d5
        • 2.Qe2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::QAB1(A)
    • P(b);::QAR1(A)
    • P(c);SBLOCK::QAR2(A)
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Threat
        • QAR1(A)
      • Vars
        • K(a);P-FLIGHT::R(D)
        • K(a);P-FLIGHT::QAB1(A)
      • Refutation
        • P(b);CHECK
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(a);P-FLIGHT::QAB1(A)
        • P(b);::QAR1(A)
        • P(c);SBLOCK::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);P-FLIGHT::QAB1(A)
        • P(b);::QAR1(A)
        • P(c);SBLOCK::QAR2(A)
      • Refutation
        • K(a);P_SPINP(b),S_FLIGHT
    • Try
      • Q(A);CHECK
      • Refutation
        • K(a);S_FLIGHT,XQ(A)
  • Actual
    • K(B);P-FLIGHT
    • Vars
      • K(a);P-FLIGHT::R(D)
      • K(a);P-FLIGHT::QAB1(A)
      • P(b);::QAR1(A)
      • P(c);SBLOCK::QAR2(A)
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