MESON Chess Problem Database

Problem Display
PID: 160617 (4K3/8/3Np3/4k3/2P3pB/1Npr2R1/6b1/4r1Q1 w - - 0 1)

Schmittfull, A

1st HM., Feuille d'Avis de Lausanne, 1923

4K3/8/3Np3/4k3/2P3pB/1Npr2R1/6b1/4r1Q1

#2

7 + 7

14986 White-Hume Collection 2017
5454 Near Snap 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd6
      • 2.Qc5#
    • 1...Rf3
      • 2.Qd4#
    • 1...Rxg3
      • 2.Qd4#
    • 1...Rd4
      • 2.Qxd4#
  • Keys
    • 1.Rf3!
      • threat
        • 2.Bg3#
      • 1...Kxd6
        • 2.Qc5#
      • 1...Rxf3
        • 2.Qd4#
      • 1...Rxd6
        • 2.Qxe1#
      • 1...Bxf3
        • 2.Qg3#
      • 1...gxf3
        • 2.Qh2#
      • 1...Re4
        • 2.Sf7#
      • 1...Rd4
        • 2.Qxd4#
      • 1...g3
        • 2.Bxg3#

Anticipated by 183118(1907)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • K(f);S_FLIGHT,XS(F)::QAB1(A)
    • R(d);N_GUARD::QAB1(A)
    • R(d);N_GUARD,XR(C)::QAB1(A)
    • R(d);N_GUARD::QAB1(A),XR(d)
  • Actual
    • R(C);
    • Threat
      • B(E)
    • Vars
      • K(f);S_FLIGHT,XS(F)::QAB1(A)
      • R(d);N_GUARD,XR(C)::QAB1(A)
      • R(d);N_GUARD,SBLOCK,XS(F)::QAR(A),XR(a)
      • B(b);OGATE,XR(C)::QAB(A)
      • P(e);N_GUARD,XR(C)::QAB(A)
      • R(a);SBLOCK::S(F)
      • R(d);N_GUARD::QAB1(A),XR(d)
      • P(e);::B(E),XP(e)
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