MESON Chess Problem Database

Problem Display
PID: 16423 (B4Q2/8/1B3K2/rpN5/b1k5/1qp5/4P3/8 w - - 0 1)

Wenman, Francis Percival (aka Percy Wenman)

Fifty Two-Move Problems, 1940

B4Q2/8/1B3K2/rpN5/b1k5/1qp5/4P3/8

#2

6 + 6

SOLUTION

  • SOUND
  • Tries
    • 1.Sd3?
      • threat
        • 2.Se5#
        • 2.Qc5#
        • 2.Qf7#
        • 2.Qc8#
        • 2.Qg8#
      • 1...Rxa8
        • 2.Qc5#
        • 2.Qf7#
      • 1...Qd1
        • 2.Qb4#
        • 2.Qf7#
        • 2.Qg8#
      • 1...Qa2
        • 2.Qb4#
        • 2.Qf7#
        • 2.Qg8#
      • 1...Qc2
        • 2.Qb4#
        • 2.Qf7#
        • 2.Qg8#
      • 1...Qb1
        • 2.Qf7#
        • 2.Qg8#
      • 1...Qb2
        • 2.Qf7#
        • 2.Qg8#
      • 1...Qa3
        • 2.Qf7#
        • 2.Qg8#
      • 1...Qb4
        • 2.Qxb4#
        • 2.Qf7#
        • 2.Qg8#
      • 1...c2
        • 2.Qc5#
        • 2.Qc8#
      • 1...Ra7
        • 2.Se5#
        • 2.Qc5#
      • 1...b4!
    • 1.Sa6?
      • threat
        • 2.Qc5#
        • 2.Qf7#
        • 2.Qc8#
        • 2.Qg8#
      • 1...Rxa6
        • 2.Qc5#
      • 1...Qd1
        • 2.Qb4#
      • 1...Qa2
        • 2.Qb4#
        • 2.Qf7#
        • 2.Qg8#
      • 1...Qc2
        • 2.Qb4#
        • 2.Qf7#
        • 2.Qg8#
      • 1...Qb1
        • 2.Qf7#
        • 2.Qg8#
      • 1...Qb2
        • 2.Qf7#
        • 2.Qg8#
      • 1...Qa3
        • 2.Qf7#
        • 2.Qg8#
      • 1...Qb4
        • 2.Qxb4#
        • 2.Qf7#
        • 2.Qg8#
      • 1...c2
        • 2.Qc5#
        • 2.Qc8#
      • 1...b4!
    • 1.Qf7+?
      • 1...Kd4
        • 2.Sxb3#
        • 2.Sd3#
        • 2.Sxa4#
        • 2.Se4#
        • 2.Sa6#
        • 2.Sd7#
      • 1...Kb4!
    • 1.Qg8+?
      • 1...Kd4
        • 2.Sxb3#
        • 2.Sd3#
        • 2.Sxa4#
        • 2.Se4#
        • 2.Sa6#
        • 2.Sd7#
      • 1...Kb4!
  • Keys
    • 1.Sb7!
      • threat
        • 2.Sxa5#
        • 2.Qc5#
      • 1...Kd5
        • 2.Sxa5#
      • 1...Rxa8
        • 2.Qc5#
      • 1...Qd1
        • 2.Sxa5#
      • 1...Qa2
        • 2.Sxa5#
      • 1...Qc2
        • 2.Sxa5#
      • 1...Qb1
        • 2.Sxa5#
      • 1...Qb2
        • 2.Sxa5#
      • 1...Qa3
        • 2.Sxa5#
      • 1...Qb4
        • 2.Qf7#
        • 2.Qg8#
      • 1...c2
        • 2.Qc5#
      • 1...b4
        • 2.Sd6#
      • 1...Ra6
        • 2.Qc5#
      • 1...Ra7
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 12
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Threat
        • DUALS(5)
      • Refutation
        • P(f);
    • Try
      • S(B);
      • Threat
        • DUALS(4)
      • Vars
        • R(e);P_PINB(C),XS(B)::QAR1(F)
        • Q(a);N_GUARD::QAR1(F)
      • Refutation
        • P(f);
    • Try
      • Q(F);CHECK
      • Refutation
        • K(d);P-FLIGHT
    • Try
      • Q(F);CHECK
      • Refutation
        • K(d);P-FLIGHT
  • Actual
    • S(B);
    • Threat
      • DUALS(2)
    • Vars
      • K(d);S_FLIGHT::B(E)+S(B),XR(e)
      • R(e);XB(E)::QAR1(F)
      • Q(a);::S(B),XR(e)
      • P(b);::QAR1(F)
      • P(f);SBLOCK::S(B)
      • R(e);P_PINB(C)::QAR1(F)
      • R(e);::QAR1(F)
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