MESON Chess Problem Database

Problem Display
PID: 4603 (8/1PPk4/3NN3/3n1PK1/8/8/8/8 w - - 0 1)

Blumenthal, Oscar

Deutsche Schachzeitung, 1882

8/1PPk4/3NN3/3n1PK1/8/8/8/8

#2

6 + 2

14665 Knights and Bishops 1909
5454 Near Snap 2007
14868 Pirnie Collection 2018

SOLUTION

  • SOUND
  • Tries
    • 1.b8S+?
      • 1...Ke7
        • 2.c8S#
      • 1...Kxd6!
    • 1.c8Q+?
      • 1...Ke7
        • 2.Qd8#
      • 1...Kxd6!
  • Keys
    • 1.c8S!
      • threat
        • 2.b8S#
      • 1...Kc6
        • 2.b8S#

Anticipated by 2385(1879), 4556(1879), 4557(1879)

This anticipates 23007(1930)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(E);CHECK
      • Vars
        • K(b);P-FLIGHT::P=S
      • Refutation
        • K(b);P-FLIGHT,XS(C)
    • Try
      • P(F);CHECK
      • Vars
        • K(b);P-FLIGHT::QAB1(F)
      • Refutation
        • K(b);P-FLIGHT,XS(C)
  • Actual
    • P(F);
    • Threat
      • P=S
    • Vars
      • K(b);S_FLIGHT::P=S
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