MESON Chess Problem Database

Problem Display
PID: 44259 (5R2/2p5/1pr1k3/3NP3/7K/B1p5/B1N5/1Q6 w - - 0 1)

Anonymous

Huddersfield College Magazine, 1878

5R2/2p5/1pr1k3/3NP3/7K/B1p5/B1N5/1Q6

#2

8 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe5
      • 2.Qe1#
  • Tries
    • 1.Sd4+?
      • 1...Kd7
        • 2.Qh7#
      • 1...Kxe5!
    • 1.Sf4+?
      • 1...Kxe5
        • 2.Qe1#
      • 1...Kd7!
    • 1.Sxb6+?
      • 1...Kxe5
        • 2.Qe1#
      • 1...Rc4+!
    • 1.Sxc7+?
      • 1...Kxe5
        • 2.Qe1#
      • 1...Kd7!
    • 1.Rf6+?
      • 1...Kxe5
        • 2.Qe1#
      • 1...Kd7!
    • 1.Qf1?
      • threat
        • 2.Qf5#
      • 1...Kxe5
        • 2.Qe2#
        • 2.Qe1#
        • 2.Qf5#
      • 1...Kd7
        • 2.Qf7#
      • 1...Rc4+!
  • Keys
    • 1.Qb5!
      • 1...Rc4+
        • 2.Sf4#
      • 1...Kxe5
        • 2.Qe2#
      • 1...Kd7
        • 2.Sf6#
      • 1...Rc5
        • 2.Qe8#
      • 1...Rd6
        • 2.Qe8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(d);OGATEB,P-FLIGHT,XP(G)::QAR(A)
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(d);S_FLIGHT::QAR(A)
      • Refutation
        • K(d);P-FLIGHT,XP(G)
    • Try
      • S(F);CHECK
      • Vars
        • K(d);P-FLIGHT,XP(G)::QAR(A)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • S(F);CHECK,XP(b)
      • Vars
        • K(d);P-FLIGHT,XP(G)::QAR(A)
      • Refutation
        • R(c);CHECK,P_SPINR(c)
    • Try
      • S(F);CHECK,XP(e)
      • Vars
        • K(d);P-FLIGHT,XP(G)::QAR(A)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • R(H);CHECK
      • Vars
        • K(d);P-FLIGHT,XP(G)::QAR(A)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Vars
        • K(d);S_FLIGHT::QAR2(A)
      • Refutation
        • R(c);CHECK
  • Actual
    • Q(A);
    • Vars
      • R(c);CHECK::S(F)
      • K(d);OGATEB,P-FLIGHT,XP(G)::QAR(A)
      • K(d);P_SPINR(c),S_FLIGHT::S(F)
      • R(c);OGATE::QAR2(A)
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