MESON Chess Problem Database

Problem Display
PID: 194955 (6Q1/5N2/5p2/5P2/4k1K1/8/5B2/8 w - - 0 1)

Diggelmann, Hermann

Vorwarts, 1918

6Q1/5N2/5p2/5P2/4k1K1/8/5B2/8

#2

5 + 2

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Tries
    • 1.Sd6+?
      • 1...Ke5
        • 2.Qe6#
      • 1...Kd3!
    • 1.Sh6?
      • 1...Ke5
        • 2.Qe6#
      • 1...Kd3!
    • 1.Sd8?
      • 1...Ke5
        • 2.Qe6#
      • 1...Kd3!
    • 1.Sh8?
      • 1...Ke5
        • 2.Qe6#
      • 1...Kd3!
    • 1.Qc8?
      • threat
        • 2.Qc4#
      • 1...Kd5
        • 2.Qe6#
      • 1...Kd3!
    • 1.Qe8+?
      • 1...Kd5
        • 2.Qe6#
      • 1...Kd3!
  • Keys
    • 1.Se5!
      • 1...Kxe5
        • 2.Qe6#
      • 1...fxe5
        • 2.Qc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(D);
      • Vars
        • K(a);P-FLIGHT::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(D);
      • Vars
        • K(a);P-FLIGHT::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(D);
      • Vars
        • K(a);P-FLIGHT::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);
      • Threat
        • QAR2(E)
      • Vars
        • K(a);S_FLIGHT::QAB1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB1(E)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(D);
    • Vars
      • K(a);OGATEB,P-FLIGHT,XS(D)::QAR1(E)
      • P(b);SBLOCK,XS(D)::QAR2(E)
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