MESON Chess Problem Database

Problem Display
PID: 16407 (8/8/p3r3/1npN1Q2/K1k1P3/2b5/2B5/8 w - - 0 1)

Wenman, Francis Percival (aka Percy Wenman)

Fifty Two-Move Problems, 1940

8/8/p3r3/1npN1Q2/K1k1P3/2b5/2B5/8

#2

5 + 6

5454 Near Snap 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Bd4
      • 2.Qf1#
    • 1...Sd4
      • 2.Se3#
  • Tries
    • 1.Sb6+?
      • 1...Rxb6
        • 2.Qd5#
      • 1...Kd4!
  • Keys
    • 1.e5!
      • threat
        • 2.Qd3#
      • 1...Kd4
        • 2.Qe4#
      • 1...Kxd5
        • 2.Qe4#
      • 1...Bd4
        • 2.Bb3#
      • 1...Sd4
        • 2.Se3#

Anticipated by 632(1904)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(a);SBLOCK::QAB(E)
    • S(c);SBLOCK::S(D)
  • Tries
    • Try
      • S(D);CHECK
      • Vars
        • R(f);XS(D)::QAB1(E)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • P(C);
    • Threat
      • QAB1(E)
    • Vars
      • K(b);P-FLIGHT::QAR1(E)
      • K(b);S_FLIGHT,XS(D)::QAB1(E)
      • B(a);SBLOCK::B(A)
      • S(c);SBLOCK::S(D)
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