MESON Chess Problem Database

Problem Display
PID: 215141 (8/8/8/8/Q7/1N1k3N/8/2K5 w - - 0 1)

Helmling, W

Funkschach, 1926

8/8/8/8/Q7/1N1k3N/8/2K5

#2

4 + 1

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Sg1?
      • threat
        • 2.Qd4#
      • 1...Ke3
        • 2.Qd4#
      • 1...Kc3!
  • Keys
    • 1.Sd2!
      • 1...Ke2
        • 2.Qe4#
      • 1...Kc3
        • 2.Qc4#
      • 1...Ke3
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Threat
        • QAR1(D)
      • Vars
        • K(a);P-FLIGHT::QAB1(D)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • S(B);
    • Vars
      • K(a);S_FLIGHT::QAR2(D)
      • K(a);P-FLIGHT::QAR1(D)
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