MESON Chess Problem Database

Problem Display
PID: 239200 (8/1RPk1P2/4N3/3N1K2/8/8/8/8 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

Problemist Pribuzhya, 1991

8/1RPk1P2/4N3/3N1K2/8/8/8/8

#2

6 + 1

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Ke5?
      • 1...Kc6
        • 2.c8Q#
      • 1...Kc8!
    • 1.Sb4?
      • 1...Kd6
        • 2.c8S#
      • 1...Ke7
        • 2.c8S#
      • 1...Kc8!
    • 1.Sd8?
      • 1...Kc8
        • 2.Sb6#
      • 1...Kd6!
    • 1.c8Q+?
      • 1...Kd6
        • 2.Rd7#
        • 2.Qd7#
        • 2.Qc5#
      • 1...Kxc8!
  • Keys
    • 1.Se7!
      • threat
        • 2.c8S#
      • 1...Kd6
        • 2.c8S#
      • 1...Kxe7
        • 2.c8S#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::P=Q
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(A);
      • Vars
        • K(a);P-FLIGHT::P=S
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);
      • Vars
        • K(a);S_FLIGHT::S(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • P(E);CHECK
      • Refutation
        • K(a);S_FLIGHT,XQ(E)
  • Actual
    • S(A);
    • Threat
      • P=S
    • Vars
      • K(a);P-FLIGHT::P=S
      • K(a);P-FLIGHT,XS(A)::P=S
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