MESON Chess Problem Database

Problem Display
PID: 93125 (8/4K3/1B1pRP1Q/4P3/3PPP2/4k3/1N1nrn1N/4b3 w - - 0 1)

Colpa, Johannes J

Schaakcourant, 1910

8/4K3/1B1pRP1Q/4P3/3PPP2/4k3/1N1nrn1N/4b3

#2

11 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Keys
    • 1.exd6!
      • threat
        • 2.d5#
        • 2.f5#
      • 1...Sdxe4
        • 2.f5#
      • 1...Sfxe4
        • 2.d5#
      • 1...Sb1
        • 2.f5#
      • 1...Sf1
        • 2.f5#
      • 1...Sb3
        • 2.f5#
      • 1...Sf3
        • 2.Sf1#
      • 1...Sc4
        • 2.f5#
      • 1...Sd1
        • 2.d5#
      • 1...Sh1
        • 2.d5#
      • 1...Sd3
        • 2.Sd1#
      • 1...Sh3
        • 2.d5#
      • 1...Sg4
        • 2.d5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 12
    • REMOVED MATES = 0
  • Sets
  • Actual
    • P(F);XP(f)
    • Threat
      • DUALS(2)
    • Vars
      • S(b);P_SPINS(b),XP(D)::QAB(J)+P(E)
      • S(d);P_SPINS(d),XP(D)::B(G)+P(C)
      • S(b);::QAB(J)+P(E)
      • S(b);N_GUARD,SBLOCK::S(B)
      • S(d);::B(G)+P(C)
      • S(d);N_GUARD,SBLOCK::S(A)
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