MESON Chess Problem Database

Problem Display
PID: 203511 (2r5/2nR2N1/6b1/2p1k1P1/8/5PK1/1nNP4/8 w - - 0 1)

Kettel, Karl

Arbeiter Schachzeitung, 1924

2r5/2nR2N1/6b1/2p1k1P1/8/5PK1/1nNP4/8

#2

7 + 6

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Be4
      • 2.f4#
  • Keys
    • 1.Sb4!
      • threat
        • 2.Sc6#
      • 1...cxb4
        • 2.d4#
      • 1...Sd5
        • 2.Rxd5#
      • 1...Be4
        • 2.f4#
      • 1...Sb5
        • 2.Rd5#
      • 1...Sa6
        • 2.Rd5#
      • 1...Se6
        • 2.Rd5#
      • 1...Sa8
        • 2.Rd5#
      • 1...Se8
        • 2.Rd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • B(d);SBLOCK::P(C)
  • Actual
    • S(A);
    • Threat
      • S(A)
    • Vars
      • P(b);N_GUARD,XS(A)::P(B)
      • S(e);N_GUARD::R1(F),XS(e)
      • B(d);SBLOCK::P(C)
      • S(e);N_GUARD::R1(F)
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