MESON Chess Problem Database

Problem Display
PID: 51113 (7q/6Qr/3p4/1B2N1N1/2Pk2p1/6P1/2K1pP2/b3B3 w - - 0 1)

Herland, Sigmund

Manchester Guardian, 1949

7q/6Qr/3p4/1B2N1N1/2Pk2p1/6P1/2K1pP2/b3B3

#2

9 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Kc5
      • 2.Sd7#
  • Tries
    • 1.Sgf3+?
      • 1...Ke4
        • 2.Qxg4#
        • 2.Qg6#
      • 1...Kc5
        • 2.Sd7#
      • 1...gxf3!
    • 1.Bc3+?
      • 1...Kc5
        • 2.Sd7#
      • 1...Bxc3!
  • Keys
    • 1.f4!
      • threat
        • 2.Bf2#
      • 1...Ke3
        • 2.Sxg4#
      • 1...Kc5
        • 2.Sd7#
      • 1...Rh2
        • 2.Qa7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(c);S_FLIGHT::S(G)
  • Tries
    • Try
      • S(H);CHECK
      • Vars
        • K(c);S_FLIGHT::S(G)
      • Refutation
        • P(d);XS(H)
    • Try
      • B(A);CHECK
      • Vars
        • K(c);S_FLIGHT::S(G)
      • Refutation
        • B(a);XB(A)
  • Actual
    • P(C);
    • Threat
      • B(A)
    • Vars
      • K(c);S_FLIGHT::S(G),XP(d)
      • K(c);S_FLIGHT::S(G)
      • R(f);N_GUARD::QAB(I)
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