MESON Chess Problem Database

Problem Display
PID: 196840 (8/8/4NN1K/1bBPkpP1/8/5p2/3Pn3/8 w - - 0 1)

Villaret, Albert

Deutsches Wochenschach, 1919

8/8/4NN1K/1bBPkpP1/8/5p2/3Pn3/8

#2

7 + 5

5454 Near Snap 2019
6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Sc1
      • 2.d4#
    • 1...Sg1
      • 2.d4#
    • 1...Sc3
      • 2.d4#
    • 1...Sg3
      • 2.d4#
    • 1...Sf4
      • 2.d4#
  • Keys
    • 1.Sf4!
      • threat
        • 2.Sg6#
      • 1...Kxf4
        • 2.Bd6#
      • 1...Sxf4
        • 2.d4#
      • 1...Be8
        • 2.Sd3#

Anticipated by 24892(1899), 178115(1899)

This anticipates 231505(1927)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • S(a);N_GUARD::P(A)
  • Actual
    • S(E);
    • Threat
      • S(E)
    • Vars
      • K(d);S_FLIGHT,XS(E)::B(B)
      • S(a);N_GUARD,SBLOCK,XS(E)::P(A)
      • B(c);N_GUARD::S(E)
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