MESON Chess Problem Database

Problem Display
PID: 48124 (3q4/1B1N4/2P1p3/1p1k1p1r/4N3/1K5n/4P3/7Q w - - 0 1)

Havel, Miroslav

Svetozor, 1905

3q4/1B1N4/2P1p3/1p1k1p1r/4N3/1K5n/4P3/7Q

#2

7 + 7

6024 Bohemian Garnets 1923
4312 Ceske Granaty 1975

SOLUTION

  • SOUND
  • Sets
    • 1...fxe4
      • 2.Qd1#
  • Keys
    • 1.Qa1!
      • threat
        • 2.Qe5#
        • 2.c7#
      • 1...Kxe4
        • 2.Qe5#
      • 1...Qxd7
        • 2.cxd7#
      • 1...fxe4
        • 2.Qd1#
      • 1...e5
        • 2.Qxe5#
      • 1...Qb6
        • 2.Sdf6#
        • 2.Qe5#
      • 1...Qf6
        • 2.Sdxf6#
        • 2.c7#
      • 1...Qc7
        • 2.Sdf6#
      • 1...Qa8
        • 2.Sdf6#
        • 2.Qe5#
      • 1...Qb8
        • 2.Sdf6#
      • 1...Qc8
        • 2.Sdf6#
        • 2.Qe5#
      • 1...Qh8
        • 2.c7#
      • 1...f4
        • 2.c7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • P(d);P_SPINP(d),SBLOCK,XS(D)::QAR(A)
  • Actual
    • Q(A);
    • Threat
      • DUALS(2)
    • Vars
      • K(c);S_FLIGHT,XS(D)::QAR1(A)
      • Q(g);OGATE,XS(G)::B(F)+P(E),XQ(g)
      • P(d);SBLOCK,XS(D)::QAR(A)
      • P(f);::QAR1(A),XP(f)
      • Q(g);N_GUARD::S(G)
      • Q(g);::B(F)+P(E)
      • P(d);::B(F)+P(E)
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