MESON Chess Problem Database

Problem Display
PID: 232211 (7Q/6R1/8/5p2/1K3N2/4kp2/5N2/8 w - - 0 1)

Wainwright, Joseph CJ

Detroit Free Press, 1881

(First published on Sat Jan 1 1881)

7Q/6R1/8/5p2/1K3N2/4kp2/5N2/8

#2

5 + 3

16968 Joseph Wainwright: 500+ Chess Problems (Meadley) 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Re7#
  • Tries
    • 1.Rg2?
      • 1...Kd2
        • 2.Qc3#
      • 1...Kxf4
        • 2.Qd4#
      • 1...fxg2!
    • 1.Rg6?
      • 1...Kd2
        • 2.Qc3#
      • 1...Kxf4
        • 2.Qd4#
      • 1...Kxf2!
    • 1.Re7+?
      • 1...Kd2
        • 2.Qb2#
        • 2.Qc3#
      • 1...Kxf4
        • 2.Qh4#
      • 1...Kxf2!
    • 1.Rg8?
      • 1...Kd2
        • 2.Qc3#
      • 1...Kxf4
        • 2.Qd4#
      • 1...Kxf2!
    • 1.Qd8?
      • 1...Kxf4
        • 2.Qd4#
      • 1...Kxf2!
  • Keys
    • 1.Rg1!
      • 1...Kd2
        • 2.Qc3#
      • 1...Kxf2
        • 2.Qd4#
      • 1...Kxf4
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • K(a);S_FLIGHT::QAB(E)+R(D)
  • Tries
    • Try
      • R(D);
      • Vars
        • K(a);S_FLIGHT::QAB1(E)
        • K(a);S_FLIGHT,XS(C)::QAR2(E)
      • Refutation
        • P(b);XR(D)
    • Try
      • R(D);
      • Vars
        • K(a);S_FLIGHT::QAB1(E)
        • K(a);S_FLIGHT,XS(C)::QAR2(E)
      • Refutation
        • K(a);S_FLIGHT,XS(A)
    • Try
      • R(D);CHECK
      • Vars
        • K(a);S_FLIGHT,XS(C)::QAR2(E)
      • Refutation
        • K(a);S_FLIGHT,XS(A)
    • Try
      • R(D);
      • Vars
        • K(a);S_FLIGHT::QAB1(E)
        • K(a);S_FLIGHT,XS(C)::QAR2(E)
      • Refutation
        • K(a);S_FLIGHT,XS(A)
    • Try
      • Q(E);
      • Vars
        • K(a);S_FLIGHT,XS(C)::QAR2(E)
      • Refutation
        • K(a);S_FLIGHT,XS(A)
  • Actual
    • R(D);
    • Vars
      • K(a);S_FLIGHT::QAB1(E)
      • K(a);S_FLIGHT,XS(A)::QAB(E)
      • K(a);S_FLIGHT,XS(C)::QAR2(E)
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