MESON Chess Problem Database

Problem Display
PID: 16905 (8/4NN2/8/7K/4kp2/7Q/nP3P2/6B1 w - - 0 1)

Wenman, Francis Percival (aka Percy Wenman)

The Field, 1941

(First published on Sat Aug 2 1941)

8/4NN2/8/7K/4kp2/7Q/nP3P2/6B1

#2

7 + 3

419 One Hundred Published Problems 1944
5454 Near Snap 2016

SOLUTION

  • SOUND
  • Tries
    • 1.Qf5+?
      • 1...Kd4
        • 2.Qd5#
      • 1...Kf3!
    • 1.Qb3?
      • threat
        • 2.Qd5#
        • 2.f3#
      • 1...Kd4
        • 2.Qd5#
        • 2.f3#
      • 1...f3
        • 2.Qc4#
        • 2.Qe3#
      • 1...Sb4
        • 2.f3#
      • 1...Sc3!
    • 1.Qc3?
      • threat
        • 2.Sg5#
        • 2.Sd6#
        • 2.f3#
      • 1...f3
        • 2.Qe3#
        • 2.Qc4#
      • 1...Sxc3!
    • 1.Qf3+?
      • 1...Kd4
        • 2.Qd5#
      • 1...Kxf3!
  • Keys
    • 1.Qf1!
      • threat
        • 2.f3#
      • 1...Kf3
        • 2.Sg5#
      • 1...Kd4
        • 2.f3#
      • 1...f3
        • 2.Qc4#

Anticipated by 158213(1906-1907)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(D);CHECK
      • Vars
        • K(b);P-FLIGHT::QAR1(D)
      • Refutation
        • K(b);P_SPINP(c),S_FLIGHT
    • Try
      • Q(D);
      • Threat
        • DUALS(2)
      • Vars
        • S(a);::P(C)
      • Refutation
        • S(a);
    • Try
      • Q(D);
      • Threat
        • DUALS(3)
      • Refutation
        • S(a);XQ(D)
    • Try
      • Q(D);CHECK
      • Vars
        • K(b);OGATE,P-FLIGHT::QAR1(D)
      • Refutation
        • K(b);S_FLIGHT,XQ(D)
  • Actual
    • Q(D);
    • Threat
      • P(C)
    • Vars
      • K(b);S_FLIGHT::S(G)
      • K(b);P-FLIGHT::B(A)+P(C)
      • P(c);SBLOCK::QAR2(D)
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