MESON Chess Problem Database

Problem Display
PID: 9434 (8/8/8/1Bp5/2R1R3/bN1k2K1/8/3n4 w - - 0 1)

Shinkman, William Anthony

Deutsches Wochenschach, 1903

8/8/8/1Bp5/2R1R3/bN1k2K1/8/3n4

#2

5 + 4

3925 The Golden Argosy 1929
5454 Near Snap 2019

SOLUTION

  • SOUND
  • Tries
    • 1.Kf3?
      • threat
        • 2.Rxc5#
      • 1...Sb2
        • 2.Re3#
      • 1...Se3
        • 2.Rxe3#
      • 1...Sc3!
    • 1.Sc1+?
      • 1...Kd2
        • 2.Re2#
      • 1...Bxc1!
  • Keys
    • 1.Re2!
      • threat
        • 2.Rxc5#
      • 1...Kxe2
        • 2.Re4#
      • 1...Sb2
        • 2.Sc1#
      • 1...Sc3
        • 2.Rd4#
      • 1...Se3
        • 2.Rd2#

This anticipates 187541(1982)

This is a version of 9433

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Threat
        • B(E)+R(C),XP(d)
      • Vars
        • S(a);N_GUARD::R1(D)
        • S(a);N_GUARD::R1(D),XS(a)
      • Refutation
        • S(a);
    • Try
      • S(A);CHECK
      • Vars
        • K(c);P-FLIGHT::R1(D)
      • Refutation
        • B(b);XS(A)
  • Actual
    • R(D);
    • Threat
      • B(E)+R(C),XP(d)
    • Vars
      • K(c);S_FLIGHT,XR(D)::B(E)+R(C),DCHECK
      • S(a);S_CUTB(b)::S(A)
      • S(a);SBLOCK::B(E)+R(C),DCHECK
      • S(a);SBLOCK::R1(D)
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