MESON Chess Problem Database

Problem Display
PID: 241200 (8/2pk1N2/2N5/8/K7/4R3/8/6Q1 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

Sachsische Zeitung, 1990

8/2pk1N2/2N5/8/K7/4R3/8/6Q1

#2

5 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Rd3+?
      • 1...Kxc6
        • 2.Sd8#
      • 1...Ke6
        • 2.Qg6#
      • 1...Ke8
        • 2.Qg8#
      • 1...Kc8!
    • 1.Qb1?
      • 1...Kxc6
        • 2.Qb5#
      • 1...Kc8!
    • 1.Qf1?
      • 1...Kxc6
        • 2.Qb5#
      • 1...Kc8!
    • 1.Qg5?
      • 1...Kxc6
        • 2.Qb5#
      • 1...Kc8!
  • Keys
    • 1.Sfd8!
      • 1...Kd6
        • 2.Rd3#
      • 1...Kc8
        • 2.Qg4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);CHECK
      • Vars
        • K(b);S_FLIGHT,XS(D)::S(E)
        • K(b);S_FLIGHT::QAR2(A)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(b);OGATEB,S_FLIGHT,XS(D)::QAB1(A)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(b);OGATEB,S_FLIGHT,XS(D)::QAB1(A)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(b);OGATEB,S_FLIGHT,XS(D)::QAB1(A)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • S(E);
    • Vars
      • K(b);P-FLIGHT::R(B)
      • K(b);S_FLIGHT::QAB(A)
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