MESON Chess Problem Database

Problem Display
PID: 207974 (8/8/4B3/1Q1NkN2/8/4P3/8/4K3 w - - 0 1)

Goldschmidt, M

Deutsche Schachblatter, 1927

8/8/4B3/1Q1NkN2/8/4P3/8/4K3

#2

6 + 1

5454 Near Snap 2020
15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Ke2?
      • 1...Ke4
        • 2.Sc3#
        • 2.Sf6#
      • 1...Kxe6!
    • 1.Kf2?
      • 1...Ke4
        • 2.Sc3#
        • 2.Sf6#
      • 1...Kxe6!
    • 1.Sf4+?
      • 1...Ke4
        • 2.Qd5#
      • 1...Kf6!
    • 1.Sc7+?
      • 1...Ke4
        • 2.Qd5#
      • 1...Kf6!
  • Keys
    • 1.e4!
      • 1...Kxe4
        • 2.Qe2#
      • 1...Kxe6
        • 2.Qe8#

This anticipates 53817(1942), 77768(1991)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Refutation
        • K(a);P-FLIGHT,XB(F)
    • Try
      • K(A);S_FLIGHT
      • Refutation
        • K(a);P-FLIGHT,XB(F)
    • Try
      • S(D);CHECK
      • Vars
        • K(a);P-FLIGHT::QAB1(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(D);CHECK
      • Vars
        • K(a);P-FLIGHT::QAB1(C)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • P(B);
    • Vars
      • K(a);OGATEB,P-FLIGHT,XP(B)::QAR2(C)
      • K(a);OGATEB,P-FLIGHT,XB(F)::QAR2(C)
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