MESON Chess Problem Database

Problem Display
PID: 258873 (6B1/1N6/1B6/p1N1kn1R/Rb4pQ/3p4/1P1p2P1/3K4 w - - 0 1)

Wrigley, J

Manchester Weekly Times, 1893

(First published on Fri Aug 4 1893)

6B1/1N6/1B6/p1N1kn1R/Rb4pQ/3p4/1P1p2P1/3K4

#2

10 + 7

15239 Valois Notebooks 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Ba3
      • 2.Sxd3#
      • 2.Sd7#
      • 2.Bc7#
      • 2.Re4#
      • 2.Qe7#
    • 1...Bc3
      • 2.Sxd3#
      • 2.Sd7#
      • 2.Bc7#
      • 2.Re4#
      • 2.Qe7#
    • 1...g3
      • 2.Sxd3#
      • 2.Sd7#
      • 2.Bc7#
  • Tries
    • 1.Sd7+?
      • 1...Ke4
        • 2.Qxg4#
      • 1...Kf4!
    • 1.Rxf5+?
      • 1...Kd4
        • 2.Qf2#
      • 1...Kxf5!
    • 1.Qg3+?
      • 1...Kd4
        • 2.Qf4#
      • 1...Kf6!
    • 1.Qg5?
      • 1...Kd4
        • 2.Qf4#
      • 1...Bxc5
        • 2.Qxf5#
        • 2.Qg7#
      • 1...Ba3
        • 2.Sxd3#
        • 2.Sd7#
        • 2.Bc7#
        • 2.Re4#
        • 2.Qe7#
        • 2.Qxf5#
        • 2.Qg7#
      • 1...Bc3
        • 2.Sxd3#
        • 2.Sd7#
        • 2.Bc7#
        • 2.Re4#
        • 2.Qe7#
        • 2.Qxf5#
        • 2.Qg7#
      • 1...g3!
    • 1.Qe7+?
      • 1...Kd4
        • 2.Sb3#
        • 2.Se4#
        • 2.Sa6#
        • 2.Sd7#
        • 2.Qe4#
      • 1...Kf4!
    • 1.Qxg4?
      • threat
        • 2.Sd7#
        • 2.Rxf5#
      • 1...Bxc5
        • 2.Rxf5#
        • 2.Qxf5#
        • 2.Qg7#
      • 1...Kf6!
  • Keys
    • 1.Sd6!
      • 1...Kd4
        • 2.Sd7#
      • 1...Kf4
        • 2.Sxd3#
      • 1...Kxd6
        • 2.Qf6#
      • 1...Bxc5
        • 2.Qe7#
      • 1...Ba3
        • 2.Qe7#
      • 1...Bc3
        • 2.Qe7#
      • 1...g3
        • 2.Sc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);CHECK
      • Vars
        • K(f);N_SPINS(g),P-FLIGHT,P_SPINB(c),P_SPINP(d)::QAR2(E),XP(d)
      • Refutation
        • K(f);N_SPINS(g),P_SPINB(c),P_SPINP(d),S_FLIGHT
    • Try
      • R(G);CHECK,XS(g)
      • Vars
        • K(f);P_SPINB(c),P_SPINP(d),S_FLIGHT::QAB(E)
      • Refutation
        • K(f);P-FLIGHT,XR(G)
    • Try
      • Q(E);CHECK
      • Vars
        • K(f);N_GUARD,N_SPINS(g),P_SPINB(c),S_FLIGHT::QAR2(E)
      • Refutation
        • K(f);N_SPINS(g),S_FLIGHT
    • Try
      • Q(E);
      • Vars
        • K(f);N_GUARD,N_SPINS(g),P_SPINB(c),S_FLIGHT::QAR2(E)
      • Refutation
        • P(d);
    • Try
      • Q(E);CHECK
      • Refutation
        • K(f);N_SPINS(g),P_SPINB(c),S_FLIGHT
    • Try
      • Q(E);XP(d)
      • Threat
        • DUALS(2)
      • Refutation
        • K(f);N_SPINS(g),S_FLIGHT
  • Actual
    • S(I);
    • Vars
      • K(f);N_GUARD,N_SPINS(g),P_SPINB(c),P_SPINP(d),S_FLIGHT::B(H)+S(F)
      • K(f);N_GUARD,N_SPINS(g),P_SPINB(c),P_SPINP(d),S_FLIGHT::S(F),XP(b)
      • K(f);N_GUARD,N_SPINS(g),S_FLIGHT,XS(I)::QAR2(E)
      • B(c);XS(F)::QAR2(E)
      • B(c);::QAR2(E)
      • P(d);::S(I)
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