MESON Chess Problem Database

Problem Display
PID: 50670 (K5Qn/bp3P2/4p1p1/3PkNP1/1n1r4/B7/b3NP2/1B2R2q w - - 0 1)

Kantorowicz, Bruno

Probleemblad, 1953

K5Qn/bp3P2/4p1p1/3PkNP1/1n1r4/B7/b3NP2/1B2R2q

#2

11 + 10

5227 Schaak..., maar raak! 1969

SOLUTION

  • SOUND
  • Sets
    • 1...Qxd5
      • 2.Qg7#
      • 2.Qxh8#
    • 1...Rxd5
      • 2.Qg7#
      • 2.f4#
    • 1...Bxd5
      • 2.Qg7#
    • 1...Sxd5
      • 2.Bd6#
    • 1...exd5
      • 2.Qe8#
  • Keys
    • 1.Qc8!
      • threat
        • 2.Qxe6#
      • 1...Kxd5
        • 2.Sc3#
      • 1...Qxd5
        • 2.Qxh8#
      • 1...Rxd5
        • 2.f4#
      • 1...Bxd5
        • 2.Qc7#
      • 1...Sxd5
        • 2.Bd6#
      • 1...exd5
        • 2.Qe8#
      • 1...exf5
        • 2.Qe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • B(b);SBLOCK,XP(F)::QAB(K)
    • S(c);OGATE,SBLOCK,XP(F)::B(E)
    • P(f);OGATEB,SBLOCK,XP(F)::QAR(K)
  • Actual
    • Q(K);
    • Threat
      • QAR1(K),XP(f)
    • Vars
      • K(e);P-FLIGHT,XP(F)::S(C)
      • Q(a);N_GUARD,SBLOCK,XP(F)::QAB(K),XS(j)
      • R(d);N_GUARD,SBLOCK,XP(F)::P(D)
      • B(b);SBLOCK,XP(F)::QAB(K)
      • S(c);OGATE,SBLOCK,XP(F)::B(E)
      • P(f);OGATEB,SBLOCK,XP(F)::QAR(K)
      • P(f);XS(G)::QAR1(K)
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