MESON Chess Problem Database

Problem Display
PID: 146662 (Nbb1N2K/3p2pp/8/1nQpkBqn/2pp2P1/5R2/8/B1rr4 w - - 0 1)

Bientot, A

Australian Chess Problem Magazine, 1992

Nbb1N2K/3p2pp/8/1nQpkBqn/2pp2P1/5R2/8/B1rr4

#2

8 + 14

SOLUTION

  • SOUND
  • Sets
    • 1...Qd2
      • 2.Qe7#
    • 1...Qe3
      • 2.Qe7#
    • 1...Qf4
      • 2.Qe7#
    • 1...Qe7
      • 2.Qxe7#
    • 1...Qxg4
      • 2.Qe7#
    • 1...Sc7
      • 2.Qd6#
    • 1...Sf4
      • 2.Re3#
    • 1...Sf6
      • 2.Qe7#
  • Keys
    • 1.Sb6!
      • threat
        • 2.Qxd5#
      • 1...Bb7
        • 2.Sxd7#
      • 1...Sc3
        • 2.Sxc4#
      • 1...Sc7
        • 2.Qd6#
      • 1...Sf4
        • 2.Re3#
      • 1...Sf6
        • 2.Qe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 5
  • Sets
    • Q(h);N_GUARD::QAR2(D)
    • Q(h);N_GUARD::QAR2(D),XQ(h)
    • Q(h);N_GUARD,XP(C)::QAR2(D)
    • S(e);N_GUARD,S_CUTB(m)::QAB1(D)
    • S(i);SBLOCK,S_CUTQ(h)::R(B)
    • S(i);S_CUTQ(h)::QAR2(D)
  • Actual
    • S(F);
    • Threat
      • QAR1(D),XP(f)
    • Vars
      • B(n);N_GUARD::S(F),XP(j)
      • S(e);N_SPINP(d),P_SPINP(f),S_CUTR(a)::S(F),XP(c)
      • S(e);N_GUARD,S_CUTB(m)::QAB1(D)
      • S(i);SBLOCK,S_CUTQ(h)::R(B)
      • S(i);S_CUTQ(h)::QAR2(D)
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