MESON Chess Problem Database

Problem Display
PID: 239682 (NB5K/4P3/k2N1R1p/n4r2/RPn2PB1/1p1Q4/1p1pq3/r5bb w - - 0 1)

Szoghy, Jozsef

Skakbladet, 1936

NB5K/4P3/k2N1R1p/n4r2/RPn2PB1/1p1Q4/1p1pq3/r5bb

#2

11 + 12

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rxf4
      • 2.b5#
    • 1...Rd5
      • 2.Bc8#
    • 1...Rxf6
      • 2.b5#
    • 1...Bc5
      • 2.b5#
    • 1...Bd5
      • 2.b5#
  • Keys
    • 1.Qd5!
      • threat
        • 2.b5#
      • 1...Rxd5
        • 2.Bc8#
      • 1...Sxd6
        • 2.Bxe2#
      • 1...Sa3
        • 2.Rxa5#
      • 1...Se3
        • 2.Sxf5#
      • 1...Se5
        • 2.Qxa5#
      • 1...Sb6
        • 2.Sc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 4
  • Sets
    • R(j);N_GUARD,XP(D)::P(C)
    • R(j);OGATE::B(E)
    • R(j);N_GUARD,XR(G)::P(C)
    • B(b);S_CUTR(j)::P(C)
    • B(c);S_CUTR(j)::P(C)
  • Actual
    • Q(A);N_PINS(h),P_PINS(i)
    • Threat
      • P(C)
    • Vars
      • R(j);OGATE,XQ(A)::B(E)
      • S(h);OGATEB,XS(F)::B(E),XQ(f)
      • S(h);N_GUARD,S_CUTR(a)::R1(B),XS(i)
      • S(h);N_GUARD,S_CUTB(b),S_CUTQ(f)::R(G)+S(F),XR(j)
      • S(h);N_GUARD,S_CUTR(j)::QAR1(A),XS(i)
      • S(h);SBLOCK::S(I)
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