MESON Chess Problem Database

Problem Display
PID: 106912 (8/6BK/8/8/4kp2/2RN4/7R/Q7 w - - 0 1)

Slater, George James

2nd Prize Set, Lebanon Herald, 1882

8/6BK/8/8/4kp2/2RN4/7R/Q7

#2

6 + 2

1253 Leeds Mercury Weekly Supplement 1882
6490 yacpdb 2009
14868 Pirnie Collection 2011
15239 Valois Notebooks 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ke3
      • 2.Sc5#
  • Tries
    • 1.Qe1+?
      • 1...Kf3
        • 2.Sf2#
        • 2.Se5#
      • 1...Kd5
        • 2.Qe5#
      • 1...Kf5!
    • 1.Qa2?
      • 1...Ke3
        • 2.Sf2#
        • 2.Sc5#
        • 2.Qe2#
      • 1...Kf3
        • 2.Sf2#
      • 1...f3
        • 2.Qe6#
      • 1...Kf5!
    • 1.Qa4+?
      • 1...Ke3
        • 2.Sc1#
        • 2.Se1#
        • 2.Sb2#
        • 2.Sxf4#
        • 2.Sc5#
        • 2.Se5#
        • 2.Qxf4#
      • 1...Kf3
        • 2.Se5#
        • 2.Qxf4#
      • 1...Kd5
        • 2.Qc6#
      • 1...Kf5!
    • 1.Qa5?
      • threat
        • 2.Sf2#
      • 1...Ke3
        • 2.Sc5#
      • 1...f3
        • 2.Qe5#
      • 1...Kf3!
    • 1.Qa8+?
      • 1...Ke3
        • 2.Sc1#
        • 2.Se1#
        • 2.Sb2#
        • 2.Sb4#
        • 2.Sc5#
      • 1...Kf5!
  • Keys
    • 1.Qa6!
      • 1...Ke3
        • 2.Sc5#
      • 1...Kf3
        • 2.Sf2#
      • 1...Kd5
        • 2.Qc6#
      • 1...Kf5
        • 2.Qg6#
      • 1...f3
        • 2.Qe6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::R(C)+S(D)
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::R(C)+S(D)
        • P(b);SBLOCK::QAR2(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Threat
        • S(D)
      • Vars
        • K(a);P-FLIGHT::R(C)+S(D)
        • P(b);SBLOCK::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(a);P-FLIGHT::R(C)+S(D)
      • K(a);S_FLIGHT::R(C)+S(D)
      • K(a);S_FLIGHT::QAB1(A)
      • P(b);SBLOCK::QAR2(A)
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