MESON Chess Problem Database

Problem Display
PID: 23439 (8/4Q3/8/N7/3k4/8/p2N4/R3K3 w Q - 0 1)

Kubbel, Leonid Ivanovich (AKA Kubbel, Karl Artur Leonid)

Kurortnaya Gazeta, 1939

8/4Q3/8/N7/3k4/8/p2N4/R3K3

#2

5 + 2

3295 Einfuhrung in die Welt des Schachproblem 1984
3296 Shakhmatny zadachi miniaturi 1987
3813 300 Sachmatu Uzdaviniu 1991
2786 More Fun with Chess Miniatures 2000

SOLUTION

  • SOUND
  • Tries
    • 1.Rc1?
      • threat
        • 2.Qe4#
      • 1...Kd3
        • 2.Qe4#
      • 1...Kd5!
    • 1.Qd6+?
      • 1...Ke3
        • 2.Sac4#
      • 1...Kc3!
  • Keys
    • 1.0-0-0!
      • threat
        • 2.Sb1#
      • 1...Kc3
        • 2.Se4#
      • 1...Kd3
        • 2.Sb1#
      • 1...Kd5
        • 2.Sb1#
        • 2.Sf1#
        • 2.Sdb3#
        • 2.Sf3#
        • 2.Sdc4#
        • 2.Se4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(A);
      • Threat
        • QAR1(E)
      • Vars
        • K(b);P-FLIGHT::QAB1(E)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(E);CHECK
      • Vars
        • K(b);S_FLIGHT::S(D)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • K(B);0-0-0
    • Threat
      • R(A)+S(C)
    • Vars
      • K(b);S_FLIGHT::S(C)
      • K(b);P-FLIGHT::R(A)+S(C)
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