MESON Chess Problem Database

Problem Display
PID: 52513 (2NK4/6p1/2P3p1/3k2Pp/p3N1nR/P6B/2PP1RP1/B6Q w - - 0 1)

Hirste-Haywood, J

Chess Amateur (The), 1908

2NK4/6p1/2P3p1/3k2Pp/p3N1nR/P6B/2PP1RP1/B6Q

#2

14 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe4
      • 2.g3#
  • Tries
    • 1.Se7+?
      • 1...Kc4
        • 2.Qf1#
      • 1...Kxe4
        • 2.Qe1#
        • 2.g3#
      • 1...Ke6!
    • 1.Qf1?
      • 1...Kxe4
        • 2.Qd3#
        • 2.Qc4#
      • 1...Ke6
        • 2.Qc4#
      • 1...Sxf2
        • 2.Se7#
        • 2.Qb5#
      • 1...Sh2
        • 2.Se7#
        • 2.Qb5#
      • 1...Se3
        • 2.Se7#
        • 2.Qb5#
      • 1...Se5
        • 2.Se7#
        • 2.Qb5#
      • 1...Sf6
        • 2.Se7#
        • 2.Qb5#
      • 1...Sh6
        • 2.Se7#
        • 2.Qb5#
      • 1...Kxc6!
  • Keys
    • 1.Qb1!
      • 1...Kc4
        • 2.Sb6#
      • 1...Kxe4
        • 2.c4#
      • 1...Kxc6
        • 2.Se7#
      • 1...Ke6
        • 2.Qa2#
      • 1...Sxf2
        • 2.Qb5#
      • 1...Sh2
        • 2.Qb5#
      • 1...Se3
        • 2.Qb5#
      • 1...Se5
        • 2.Qb5#
      • 1...Sf6
        • 2.Qb5#
      • 1...Sh6
        • 2.Qb5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
    • K(c);P_SPINS(b),S_FLIGHT,XS(I)::QAB(B)+P(F)
  • Tries
    • Try
      • S(M);CHECK
      • Vars
        • K(c);S_FLIGHT::QAB(B)
      • Refutation
        • K(c);P_SPINS(b),S_FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(c);P_SPINS(b),S_FLIGHT::QAB(B)
      • Refutation
        • K(c);S_FLIGHT,XP(L)
  • Actual
    • Q(B);
    • Vars
      • K(c);S_FLIGHT::S(M)
      • K(c);P_SPINS(b),S_FLIGHT,XS(I)::QAB(B)+P(C)
      • K(c);S_FLIGHT,XP(L)::S(M)
      • K(c);P_SPINS(b),S_FLIGHT::QAB(B)
      • S(b);XR(E)::QAR2(B)
      • S(b);::QAR2(B)
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