MESON Chess Problem Database

Problem Display
PID: 206662 (2n5/3R2B1/1p6/1P6/4kpP1/3N1p2/2n2K2/8 w - - 0 1)

Ferenczi, Istvan

Nepszava, 1925

2n5/3R2B1/1p6/1P6/4kpP1/3N1p2/2n2K2/8

#2

6 + 6

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Sa1
      • 2.Rd4#
    • 1...Se1
      • 2.Rd4#
    • 1...Sa3
      • 2.Rd4#
    • 1...Se3
      • 2.Rd4#
    • 1...Sb4
      • 2.Rd4#
    • 1...Sd4
      • 2.Rxd4#
  • Keys
    • 1.Sb4!
      • 1...Sxb4
        • 2.Rd4#
      • 1...Sa7
        • 2.Re7#
      • 1...Sa1
        • 2.Rd4#
      • 1...Se1
        • 2.Rd4#
      • 1...Sa3
        • 2.Rd4#
      • 1...Se3
        • 2.Rd4#
      • 1...Sd4
        • 2.Rxd4#
      • 1...Sd6
        • 2.Re7#
      • 1...Se7
        • 2.Rxe7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(a);N_GUARD::R1(E)
    • S(a);N_GUARD::R1(E),XS(a)
  • Actual
    • S(B);
    • Vars
      • S(a);N_GUARD,XS(B)::R1(E)
      • S(f);N_GUARD::R(E)
      • S(a);N_GUARD::R1(E)
      • S(a);N_GUARD::R1(E),XS(a)
      • S(f);N_GUARD::R(E),XS(f)
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