MESON Chess Problem Database

Problem Display
PID: 145968 (1B3bBN/qp6/4R3/pN1n1k2/R4Pp1/1p4p1/1Pr5/KQ6 w - - 0 1)

Subotic, Miroslav

The Problemist Supplement, 2012

1B3bBN/qp6/4R3/pN1n1k2/R4Pp1/1p4p1/1Pr5/KQ6

#2

10 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Qd4
      • 2.Sxd4#
    • 1...Qa6
      • 2.Sd4#
    • 1...Qa8
      • 2.Sd4#
    • 1...Bd6
      • 2.Sxd6#
    • 1...Bh6
      • 2.Sd6#
    • 1...Bg7
      • 2.Sd6#
    • 1...Sb6
      • 2.Sd4#
    • 1...Sf6
      • 2.Re5#
    • 1...Se7
      • 2.Sd6#
    • 1...b6
      • 2.Sd4#
  • Keys
    • 1.Rae4!
      • threat
        • 2.Bh7#
      • 1...Sxf4
        • 2.R4e5#
      • 1...Rh2
        • 2.Re2#
      • 1...Rc7
        • 2.Rc4#
      • 1...Sf6
        • 2.R6e5#
      • 1...Se7
        • 2.Sd6#
      • 1...b6
        • 2.Sd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 7
  • Sets
    • Q(h);N_GUARD,P_PINP(C)::S(F),XQ(h)
    • Q(h);N_GUARD::S(F)
    • B(j);N_GUARD::S(F),XB(j)
    • B(j);N_GUARD::S(F)
    • B(j);N_GUARD,P_PINP(C)::S(F)
    • S(f);S_CUTQ(h)::S(F)
    • S(f);SBLOCK::R1(G)
    • S(f);S_CUTB(j)::S(F)
    • P(i);S_CUTQ(h)::S(F)
  • Actual
    • R(D);N_PINR(a)
    • Threat
      • B(I)
    • Vars
      • S(f);SBLOCK,XP(E)::R1(D)
      • R(a);OGATEB::QAB(B)+R(D)
      • S(f);SBLOCK::R1(G)
      • S(f);S_CUTB(j)::S(F)
      • P(i);S_CUTQ(h)::S(F)
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