MESON Chess Problem Database

Problem Display
PID: 73837 (3N4/pp1N3K/k2nQ1BR/2p3r1/P7/8/3Bb2b/R6q w - - 0 1)

Fleck, Ferenc

Comm., Freie Presse, 1992

3N4/pp1N3K/k2nQ1BR/2p3r1/P7/8/3Bb2b/R6q

#2

9 + 9

6113 Problemschach-Jahrbuch (1993) 1994

SOLUTION

  • SOUND
  • Sets
    • 1...b6
      • 2.Sb8#
  • Keys
    • 1.Qb3!
      • threat
        • 2.Sb8#
      • 1...Bb5
        • 2.axb5#
      • 1...Sc4
        • 2.Qb5#
      • 1...Se4
        • 2.Qxb7#
      • 1...Sb5
        • 2.axb5#
      • 1...Sf5
        • 2.Sxc5#
      • 1...Sf7
        • 2.Bd3#
      • 1...Sc8
        • 2.Bd3#
      • 1...Se8
        • 2.Bd3#
      • 1...b5
        • 2.axb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 1
  • Sets
    • P(i);N_SPINS(g),SBLOCK::S(G)
  • Actual
    • Q(D);N_PINS(g)
    • Threat
      • S(G)
    • Vars
      • B(b);OGATE::R(A)+P(C)DCHECK,XB(b)
      • S(g);N_GUARD,S_CUTB(b)::QAB1(D)
      • S(g);N_GUARD,S_CUTQ(a)::QAB1(D),XP(i)
      • S(g);OGATE::R(A)+P(C)DCHECK,XS(g)
      • S(g);S_CUTR(e)::S(G),XP(d)
      • S(g);::R(F)+B(E),DCHECK
      • P(i);OGATE::R(A)+P(C)DCHECK,XP(i)
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