MESON Chess Problem Database

Problem Display
PID: 79527 (2Q5/6b1/4P3/5k2/2K5/3N2R1/8/8 w - - 0 1)

Caburis, L

Deutsche Zeitung im Ostland, 1944

2Q5/6b1/4P3/5k2/2K5/3N2R1/8/8

#2

5 + 2

SOLUTION

  • SOUND
  • Tries
    • 1.Qe8?
      • threat
        • 2.Qg6#
      • 1...Ke4
        • 2.Qg6#
      • 1...Kf6
        • 2.Qf7#
      • 1...Bf6!
    • 1.e7+?
      • 1...Ke4
        • 2.Qg4#
      • 1...Kf6!
  • Keys
    • 1.Qg8!
      • 1...Ke4
        • 2.Qh7#
      • 1...Kf6
        • 2.Qf7#
      • 1...Ba1
        • 2.Qg6#
      • 1...Bb2
        • 2.Qg6#
      • 1...Bc3
        • 2.Qg6#
      • 1...Bd4
        • 2.Qg6#
      • 1...Be5
        • 2.Qg6#
      • 1...Bf6
        • 2.Qg4#
      • 1...Bh6
        • 2.Qg6#
      • 1...Bf8
        • 2.Qg6#
      • 1...Bh8
        • 2.Qg6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(E);
      • Threat
        • QAB1(E)
      • Vars
        • K(a);S_FLIGHT::QAB(E)
        • K(a);P-FLIGHT::QAR1(E)
      • Refutation
        • B(b);
    • Try
      • P(D);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAR2(E)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(E);
    • Vars
      • K(a);S_FLIGHT::QAB(E)
      • K(a);P-FLIGHT::QAR1(E)
      • B(b);OGATE::QAB1(E)
      • B(b);OGATE,SBLOCK::QAB1(E)
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