MESON Chess Problem Database

Problem Display
PID: 245930 (2B1q3/1NPnp3/6p1/P4pp1/kP3b1R/1pQpp3/1Bb5/7K w - - 0 1)

Kopyl, Valery Volodimirovich

Pat a Mat, 2010

2B1q3/1NPnp3/6p1/P4pp1/kP3b1R/1pQpp3/1Bb5/7K

#2

9 + 12

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Qf7
      • 2.Bxd7#
    • 1...Qf8
      • 2.Bxd7#
    • 1...Qg8
      • 2.Bxd7#
    • 1...Qh8
      • 2.Bxd7#
    • 1...Bh2
      • 2.Qc6#
    • 1...Bg3
      • 2.Qc6#
    • 1...Be5
      • 2.Qc6#
    • 1...Bd6
      • 2.Qc6#
    • 1...Bxc7
      • 2.Qc6#
  • Keys
    • 1.Qc4!
      • threat
        • 2.b5#
      • 1...Qf7
        • 2.Bxd7#
      • 1...Qg8
        • 2.Bxd7#
      • 1...Bd6
        • 2.Qc6#
      • 1...Se5
        • 2.Sc5#
      • 1...Sb6
        • 2.Sc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 6
  • Sets
    • Q(l);N_GUARD::B(I),XS(j)
    • Q(l);N_GUARD,P_PINR(E)::B(I),XS(j)
    • B(f);::QAB(C)
    • B(f);XP(H)::QAB(C)
  • Actual
    • Q(C);
    • Threat
      • QAR(C)+P(D)
    • Vars
      • Q(l);N_GUARD::B(I),XS(j)
      • B(f);::QAB(C)
      • S(j);N_GUARD::S(G)
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