MESON Chess Problem Database

Problem Display
PID: 215512 (6Bn/8/6Pq/4Pk1p/3R4/4p1QK/8/8 w - - 0 1)

Schneider, Michael

Funkschach, 1926

6Bn/8/6Pq/4Pk1p/3R4/4p1QK/8/8

#2

6 + 5

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Qxg6
      • 2.Qf4#
  • Tries
    • 1.Qf4+?
      • 1...Kxg6
        • 2.Qf6#
      • 1...Qxf4!
    • 1.Qf3+?
      • 1...Kxe5
        • 2.Rd5#
      • 1...Kg5
        • 2.Qf6#
      • 1...Kxg6
        • 2.Qf6#
      • 1...Qf4!
  • Keys
    • 1.Qh4!
      • threat
        • 2.Qf6#
      • 1...Kxe5
        • 2.Rd5#
      • 1...Kxg6
        • 2.Qf6#
      • 1...Qxg6
        • 2.Qf4#
      • 1...Qg5
        • 2.Qe4#
      • 1...Qg7
        • 2.Qxh5#
      • 1...Qf8
        • 2.Qxh5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • Q(d);N_GUARD,SBLOCK,XP(E)::QAR1(A)
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);OGATE,S_FLIGHT,XP(E)::QAR1(A)
      • Refutation
        • Q(d);XQ(A)
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);P-FLIGHT,XP(D)::R1(C)
        • K(b);OGATE,P-FLIGHT::QAB1(A)
        • K(b);OGATE,S_FLIGHT,XP(E)::QAR1(A)
      • Refutation
        • Q(d);P_SPINQ(d)
  • Actual
    • Q(A);
    • Threat
      • QAR1(A)
    • Vars
      • K(b);OGATEB,P-FLIGHT,XP(D)::R1(C)
      • K(b);S_FLIGHT,XP(E)::QAR1(A)
      • Q(d);N_GUARD,SBLOCK,XP(E)::QAR1(A)
      • Q(d);SBLOCK::QAB1(A)
      • Q(d);N_GUARD::QAR2(A),XP(c)
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