MESON Chess Problem Database

Problem Display
PID: 15528 (8/3n4/6N1/5R2/1K1k4/3p4/8/4R3 w - - 0 1)

Maleika, Gerhard

Deutsche Schachzeitung, 1985

8/3n4/6N1/5R2/1K1k4/3p4/8/4R3

#2

4 + 3

4640 Chess Wizardry: The New ABC of Chess Problems 1996
2838 Fun with Chess Miniatures 1996
136 Problem Observer 2010
56 The Problemist 2017

SOLUTION

  • SOUND
  • Tries
    • 1.Sf4?
      • threat
        • 2.Se6#
        • 2.Rd5#
      • 1...Sc5
        • 2.Rd5#
      • 1...Sb6
        • 2.Se6#
      • 1...Sf6
        • 2.Se6#
      • 1...Sf8
        • 2.Rd5#
      • 1...d2
        • 2.Rd5#
      • 1...Se5!
  • Keys
    • 1.Se7!
      • threat
        • 2.Sc6#
        • 2.Rf4#
        • 2.Rd5#
      • 1...d2
        • 2.Rd5#
      • 1...Sc5
        • 2.Sc6#
        • 2.Rd5#
      • 1...Se5
        • 2.Rf4#
      • 1...Sb6
        • 2.Sc6#
        • 2.Rf4#
      • 1...Sf6
        • 2.Sc6#
      • 1...Sb8
        • 2.Rf4#
        • 2.Rd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);
      • Threat
        • DUALS(2)
      • Vars
        • S(c);::R1(C)
        • S(c);::S(D)
        • P(a);::R1(C)
      • Refutation
        • S(c);
  • Actual
    • S(D);
    • Threat
      • DUALS(3)
    • Vars
      • P(a);::R1(C)
      • S(c);::R(C)
      • S(c);::S(D)
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