MESON Chess Problem Database

Problem Display
PID: 31171 (8/3KNp2/1p3N2/4k1b1/p4p2/5P2/3P3Q/3b4 w - - 0 1)

Trcala, Stanislav

Nove parizske mody, 1900

8/3KNp2/1p3N2/4k1b1/p4p2/5P2/3P3Q/3b4

#2

6 + 7

3437 Stanislav Trcala Sachovy odkaz 1999

SOLUTION

  • SOUND
  • Sets
    • 1...Kxf6
      • 2.Qh8#
  • Tries
    • 1.Qf2?
      • threat
        • 2.Sg4#
      • 1...Kxf6
        • 2.Qd4#
      • 1...Bxf6
        • 2.d4#
      • 1...Bxf3!
    • 1.d4+?
      • 1...Kxf6
        • 2.Qh8#
      • 1...Kxd4!
  • Keys
    • 1.Qg1!
      • threat
        • 2.Sg4#
      • 1...Kxf6
        • 2.Qd4#
      • 1...Bxf3
        • 2.Qa1#
      • 1...Bxf6
        • 2.d4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(d);N_SPINP(c),OGATEB,S_FLIGHT,XS(D)::QAB(B)
  • Tries
    • Try
      • Q(B);N_PINP(c)
      • Threat
        • S(D)
      • Vars
        • K(d);S_FLIGHT,XS(D)::QAB(B)
        • B(e);SBLOCK,XS(D)::P(A)
      • Refutation
        • B(a);XP(C)
    • Try
      • P(A);CHECK
      • Vars
        • K(d);N_SPINP(c),S_FLIGHT,XS(D)::QAB(B)
      • Refutation
        • K(d);N_SPINP(c),S_FLIGHT,XP(A)
  • Actual
    • Q(B);N_PINP(c)
    • Threat
      • S(D)
    • Vars
      • K(d);S_FLIGHT,XS(D)::QAB(B)
      • B(a);OGATE,XP(C)::QAB(B)
      • B(e);SBLOCK,XS(D)::P(A)
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