MESON Chess Problem Database

Problem Display
PID: 259248 (8/3k1PK1/8/2Q5/5N2/8/8/8 w - - 0 1)

Camponovo, Elios

Zurcher Woche, 1953

8/3k1PK1/8/2Q5/5N2/8/8/8

#2

4 + 1

3713 Snap 2022
6490 yacpdb 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Se2?
      • 1...Ke6
        • 2.f8S#
      • 1...Kd8!
    • 1.Sg2?
      • 1...Ke6
        • 2.f8S#
      • 1...Kd8!
    • 1.Sd3?
      • 1...Ke6
        • 2.f8S#
      • 1...Kd8!
    • 1.Sh3?
      • 1...Ke6
        • 2.f8S#
      • 1...Kd8!
    • 1.Sd5?
      • 1...Kd8
        • 2.Qc7#
      • 1...Ke6!
    • 1.Sh5?
      • 1...Ke6
        • 2.f8S#
      • 1...Kd8!
    • 1.Sg6?
      • 1...Ke6
        • 2.Sf8#
        • 2.f8S#
      • 1...Kd8!
    • 1.Qb6?
      • 1...Ke7
        • 2.Qc7#
      • 1...Kc8!
    • 1.Qc6+?
      • 1...Ke7
        • 2.Qc7#
        • 2.f8Q#
      • 1...Kd8
        • 2.f8Q#
      • 1...Kxc6!
    • 1.f8B?
      • 1...Ke8
        • 2.Qe7#
        • 2.Qc8#
      • 1...Kd8!
  • Keys
    • 1.Se6!
      • 1...Kxe6
        • 2.f8S#

This anticipates 47573(1968)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(A);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::P=S
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(A);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::P=S
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(A);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::P=S
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(A);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::P=S
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(A);
      • Vars
        • K(a);N_GUARD,P-FLIGHT::QAB1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(A);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::P=S
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(A);
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(a);N_GUARD,P-FLIGHT::QAR2(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);N_GUARD,P-FLIGHT::P=Q
      • Refutation
        • K(a);S_FLIGHT,XQ(B)
    • Try
      • P(C);
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • S(A);
    • Vars
      • K(a);N_GUARD,S_FLIGHT,XS(A)::P=S
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