MESON Chess Problem Database

Problem Display
PID: 120698 (4R3/8/K2p3B/8/4PP2/4k3/1N1nrnQN/4b3 w - - 0 1)

Pospisil, Josef

Casopis ceskoslovenskych sachistu, 1910

4R3/8/K2p3B/8/4PP2/4k3/1N1nrnQN/4b3

#2

8 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Keys
    • 1.Qg7!
      • threat
        • 2.Qa7#
        • 2.f5#
      • 1...Sdxe4
        • 2.f5#
      • 1...Sfxe4
        • 2.Qa7#
      • 1...Sb1
        • 2.f5#
      • 1...Sf1
        • 2.f5#
      • 1...Sb3
        • 2.f5#
      • 1...Sf3
        • 2.Sf1#
      • 1...Sc4
        • 2.f5#
      • 1...Sd1
        • 2.Qa7#
      • 1...Sh1
        • 2.Qa7#
      • 1...Sd3
        • 2.Sd1#
      • 1...Sh3
        • 2.Qa7#
      • 1...Sg4
        • 2.Qa7#
      • 1...d5
        • 2.f5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 13
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(B);
    • Threat
      • DUALS(2)
    • Vars
      • S(b);P_SPINS(b),XP(D)::B(G)+P(E)
      • S(d);P_SPINS(d),XP(D)::QAB(B)
      • S(b);::B(G)+P(E)
      • S(b);N_GUARD,SBLOCK::S(C)
      • S(d);::QAB(B)
      • S(d);N_GUARD,SBLOCK::S(A)
      • P(f);::B(G)+P(E)
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