MESON Chess Problem Database

Problem Display
PID: 33194 (KQ6/8/8/8/8/7R/5Pk1/6BR w - - 0 1)

Segal, Leon

Bulletin Ouvrier des Echecs, 1950

KQ6/8/8/8/8/7R/5Pk1/6BR

#2

6 + 1

4883 Still More Fun with Chess Miniatures 2002
6004 Henk Hagedoorn Solving Ty. 2011

SOLUTION

  • SOUND
  • Tries
    • 1.R1h2+?
      • 1...Kxg1
        • 2.Qb1#
      • 1...Kf1!
    • 1.Ra3?
      • 1...Kxh1
        • 2.Qh2#
      • 1...Kf1!
    • 1.Rb3?
      • 1...Kxh1
        • 2.Qh2#
      • 1...Kf1!
    • 1.Rc3?
      • 1...Kxh1
        • 2.Qh2#
      • 1...Kf1!
    • 1.Rd3?
      • 1...Kxh1
        • 2.Qh2#
      • 1...Kf1!
    • 1.Re3?
      • 1...Kxh1
        • 2.Qh2#
      • 1...Kf1!
    • 1.Rg3+?
      • 1...Kxh1
        • 2.Qb7#
        • 2.Qh8#
      • 1...Kf1!
  • Keys
    • 1.Bh2!
      • 1...Kxh1
        • 2.Qb7#
      • 1...Kxf2
        • 2.Qb2#
      • 1...Kxh3
        • 2.Qg3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);CHECK
      • Vars
        • K(a);P-FLIGHT,XB(A)::QAR(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(D);
      • Vars
        • K(a);S_FLIGHT,XR(B)::QAR1(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(D);
      • Vars
        • K(a);S_FLIGHT,XR(B)::QAR1(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(D);
      • Vars
        • K(a);S_FLIGHT,XR(B)::QAR1(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(D);
      • Vars
        • K(a);S_FLIGHT,XR(B)::QAR1(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(D);
      • Vars
        • K(a);S_FLIGHT,XR(B)::QAR1(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(D);CHECK
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(A);
    • Vars
      • K(a);S_FLIGHT,XR(B)::QAB(F)
      • K(a);OGATEB,P-FLIGHT,XP(C)::QAR(F)
      • K(a);S_FLIGHT,XR(D)::QAR1(F)
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