MESON Chess Problem Database

Problem Display
PID: 77063 (6NK/Q1B3R1/4p2p/R2n1k1r/2N1np1p/q7/8/4rB2 w - - 0 1)

Gamage, Frederick

Frederick Gamage (Prcic), 2004

6NK/Q1B3R1/4p2p/R2n1k1r/2N1np1p/q7/8/4rB2

#2

8 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Qc1
      • 2.Bh3#
    • 1...Qb2
      • 2.Bh3#
    • 1...Qb4
      • 2.Bh3#
    • 1...Qc5
      • 2.Bh3#
    • 1...Qd6
      • 2.Bh3#
    • 1...Qe7
      • 2.Bh3#
    • 1...Qf8
      • 2.Bh3#
    • 1...Qa1
      • 2.Bh3#
    • 1...Qa2
      • 2.Bh3#
    • 1...Qh3
      • 2.Bxh3#
    • 1...Qa4
      • 2.Bh3#
    • 1...Qxa5
      • 2.Bh3#
    • 1...f3
      • 2.Bh3#
  • Tries
    • 1.Rxd5+?
      • 1...e5
        • 2.Rxe5#
      • 1...exd5!
  • Keys
    • 1.Qd4!
      • threat
        • 2.Qe5#
      • 1...Rg5
        • 2.Sxh6#
      • 1...Sg5
        • 2.Qxf4#
      • 1...e5
        • 2.Qxe5#
      • 1...Qb2
        • 2.Se7#
        • 2.Bh3#
      • 1...Qd6
        • 2.Bh3#
      • 1...Qa1
        • 2.Se7#
        • 2.Bh3#
      • 1...Qc3
        • 2.Se7#
      • 1...Sd2
        • 2.Qxf4#
      • 1...Sf2
        • 2.Qxf4#
      • 1...Sc3
        • 2.Bh3#
        • 2.Qxf4#
      • 1...Sg3
        • 2.Bh3#
        • 2.Qxf4#
      • 1...Sc5
        • 2.Sd6#
      • 1...Sd6
        • 2.Se7#
      • 1...Sf6
        • 2.Qxf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 12
  • Sets
    • Q(b);N_GUARD::B(A)
    • Q(b);N_GUARD,P_PINR(F)::B(A)
    • Q(b);N_GUARD,N_SPINS(f)::B(A)
    • Q(b);N_GUARD,P_PINS(G)::B(A)
    • Q(b);N_GUARD::B(A),XQ(b)
    • Q(b);N_GUARD,N_SPINS(f),XR(C)::B(A)
    • P(d);S_CUTQ(b)::B(A)
  • Tries
    • Try
      • R(C);CHECK,XS(f)
      • Vars
        • P(i);P_SPINP(i)::R1(C),XP(i)
      • Refutation
        • P(i);XR(C)
  • Actual
    • Q(D);
    • Threat
      • QAR1(D)
    • Vars
      • R(h);N_GUARD::S(G),XP(j)
      • S(c);OGATE::QAR1(D),XP(d)
      • P(i);N_SPINS(f)::QAR1(D),XP(i)
      • Q(b);N_GUARD::B(A)
      • Q(b);N_GUARD::S(G)
      • S(c);N_GUARD,N_SPINS(f),S_CUTQ(b)::S(B)
      • S(c);S_CUTQ(b)::S(G)
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