MESON Chess Problem Database

Problem Display
PID: 156610 (8/3B2q1/r1n1Rp2/r2k1P2/Np6/3PB3/1K4p1/6Q1 w - - 0 1)

Macina, Pasquale

Best Problems, 2006

8/3B2q1/r1n1Rp2/r2k1P2/Np6/3PB3/1K4p1/6Q1

#2

8 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Qh6
      • 2.Qxg2#
    • 1...Qf8
      • 2.Qxg2#
    • 1...Qh8
      • 2.Qxg2#
    • 1...Qxd7
      • 2.Qxg2#
    • 1...Qe7
      • 2.Qxg2#
    • 1...Qf7
      • 2.Qxg2#
    • 1...Qh7
      • 2.Qxg2#
    • 1...Rb6
      • 2.Sxb6#
    • 1...Ra7
      • 2.Sb6#
      • 2.Bxc6#
    • 1...Ra8
      • 2.Sb6#
      • 2.Bxc6#
    • 1...b3
      • 2.Sc3#
  • Keys
    • 1.Bb6!
      • threat
        • 2.Bxc6#
      • 1...Qxd7
        • 2.Qxg2#
      • 1...Rxb6
        • 2.Sxb6#
      • 1...Rc5
        • 2.Qxc5#
      • 1...Sd4
        • 2.Qxd4#
      • 1...Se5
        • 2.Qd4#
      • 1...Sa7
        • 2.Qd4#
      • 1...Se7
        • 2.Qd4#
      • 1...Sb8
        • 2.Qd4#
      • 1...Sd8
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 7
  • Sets
    • Q(h);N_GUARD::QAB(A),XP(a)
    • Q(h);N_GUARD,XB(H)::QAB(A),XP(a)
    • R(e);N_GUARD::S(E),XR(e)
    • P(b);N_GUARD::S(E)
  • Actual
    • B(D);
    • Threat
      • B(H),XS(f)
    • Vars
      • Q(h);N_GUARD,XB(H)::QAB(A),XP(a)
      • R(e);XB(D)::S(E),XR(e)
      • R(c);N_GUARD::QAR1(A),XR(c)
      • S(f);N_GUARD::QAR1(A),XS(f)
      • S(f);N_GUARD::QAR1(A)
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