MESON Chess Problem Database

Problem Display
PID: 76399 (5B2/7B/1K6/8/8/1NRN4/kpnR4/b2Q4 w - - 0 1)

Gamage, Frederick

Frederick Gamage (Prcic), 2004

5B2/7B/1K6/8/8/1NRN4/kpnR4/b2Q4

#2

8 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Se1
      • 2.Sdc1#
      • 2.Qxa1#
    • 1...Sa3
      • 2.Sdc1#
      • 2.Sb4#
      • 2.Qxa1#
    • 1...Se3
      • 2.Sdc1#
      • 2.Qxa1#
    • 1...Sb4
      • 2.Qxa1#
    • 1...Sd4
      • 2.Sdc1#
      • 2.Qxa1#
    • 1...b1S
      • 2.Sbc1#
    • 1...b1B
      • 2.Sbc1#
  • Tries
    • 1.Sxb2?
      • 1...Kxb2
        • 2.Rdxc2#
        • 2.Qxc2#
        • 2.Qxa1#
      • 1...Se1
        • 2.Sc1#
        • 2.Bb1#
        • 2.Qxa1#
        • 2.Qb1#
      • 1...Sa3
        • 2.Sc1#
        • 2.Qxa1#
      • 1...Se3
        • 2.Sc1#
        • 2.Bb1#
        • 2.Qxa1#
        • 2.Qb1#
      • 1...Sb4
        • 2.Sc1#
        • 2.Qxa1#
      • 1...Sd4
        • 2.Sc1#
        • 2.Bb1#
        • 2.Qxa1#
        • 2.Qb1#
      • 1...Bxb2!
    • 1.Sb4+?
      • 1...Sxb4
        • 2.Sc1#
        • 2.Qxa1#
      • 1...Ka3!
  • Keys
    • 1.Qh1!
      • 1...Se1
        • 2.Sdc1#
      • 1...Sb4
        • 2.Qxa1#
      • 1...b1Q
        • 2.Qa8#
      • 1...b1S
        • 2.Sbc1#
      • 1...b1B
        • 2.Sbc1#
        • 2.Qa8#
      • 1...b1R
        • 2.Qa8#
      • 1...Sa3
        • 2.Sdc1#
        • 2.Sb4#
        • 2.Qxa1#
      • 1...Se3
        • 2.Sdc1#
        • 2.Qxa1#
      • 1...Sd4
        • 2.Sdc1#
        • 2.Qxa1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • S(d);N_GUARD,P_SPINP(c)::QAR1(A),XB(a)
    • P(c);N_GUARD,P_SPINS(d),SBLOCK::S(C)
  • Tries
    • Try
      • S(E);XP(c)
      • Refutation
        • B(a);XS(E)
    • Try
      • S(E);CHECK
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • Q(A);
    • Vars
      • S(d);P_SPINP(c)::S(E)
      • S(d);N_GUARD,P_SPINP(c)::QAR1(A),XB(a)
      • P(c);P_PINS(C),P_SPINS(d),SBLOCK::QAR(A)
      • P(c);N_GUARD,P_SPINS(d),SBLOCK::S(C)
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