MESON Chess Problem Database

Problem Display
PID: 205730 (1B6/K4p1r/3RPp1p/4kn1R/8/4P1P1/5N2/bb6 w - - 0 1)

Martin, Ernst Otto

4th Prize, Arbeiter Schach Internationale, 1925

1B6/K4p1r/3RPp1p/4kn1R/8/4P1P1/5N2/bb6

#2

8 + 8

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Bd4+
      • 2.exd4#
    • 1...Be4
      • 2.Sg4#
    • 1...fxe6+
      • 2.Rd7#
  • Keys
    • 1.e4!
      • threat
        • 2.Rxf5#
      • 1...Bd4+
        • 2.Rb6#
      • 1...fxe6+
        • 2.Rd7#
      • 1...Bxe4
        • 2.Sg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • B(a);CHECK,OGATE::P(B),XB(a)
    • B(b);SBLOCK::S(A)
    • P(g);CHECK,SBLOCK,XP(F)::B(H)+R(E)
  • Actual
    • P(B);
    • Threat
      • R1(D),XS(d)
    • Vars
      • B(a);CHECK,SBLOCK::B(H)+R(E)
      • P(g);CHECK,SBLOCK,XP(F)::B(H)+R(E)
      • B(b);SBLOCK,XP(B)::S(A)
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