MESON Chess Problem Database

Problem Display
PID: 222909 (8/6k1/6NN/7Q/7K/8/8/8 w - - 0 1)

Springer, Franz

Funkschach, 1926

8/6k1/6NN/7Q/7K/8/8/8

#2

4 + 1

15148 Sadier Collection 2020
5454 Near Snap 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Se7?
      • 1...Kh7
        • 2.Shf5#
      • 1...Kf8
        • 2.Qf7#
      • 1...Kh8
        • 2.Shf5#
      • 1...Kf6!
  • Keys
    • 1.Sf8!
      • 1...Kf6
        • 2.Qg5#
      • 1...Kxf8
        • 2.Qf7#
      • 1...Kh8
        • 2.Qe5#

This anticipates 99424(1990)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Vars
        • K(a);P-FLIGHT::QAR(B)+S(D)
        • K(a);S_FLIGHT::QAR1(B)
        • K(a);S_FLIGHT::QAR(B)+S(D)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(C);
    • Vars
      • K(a);S_FLIGHT::QAB1(B)
      • K(a);S_FLIGHT,XS(C)::QAR1(B)
      • K(a);S_FLIGHT::QAB(B)
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