MESON Chess Problem Database

Problem Display
PID: 18059 (1Q6/3B4/2P5/2bkNp2/R2Pn3/6rp/6nK/2RN1b2 w - - 0 1)

Grasemann, Herbert

1st Prize, Match: Baden - Berlin, 1953

1Q6/3B4/2P5/2bkNp2/R2Pn3/6rp/6nK/2RN1b2

#2

9 + 8

3105 FIDE Album (1945-1955) 1964
3174 The Two-move Chess Problem Tradition and Development 1966
6479 Problemschach (Sidler) 1968
16882 KSG-Problemschach 1969-1987 (Muck/Laue) 1993
3389 Belgian Solving Championship 2003
5405 Chess Solving Yearbook 2003 2004
136 Problem Observer 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sf3?
      • threat
        • 2.Qe5#
      • 1...Bxd4
        • 2.Rxd4#
      • 1...Sd6
        • 2.Sc3#
      • 1...Bd6!
    • 1.Sg4?
      • threat
        • 2.Qe5#
      • 1...Sd6
        • 2.Sf6#
      • 1...Bd6
        • 2.Qg8#
      • 1...Bxd4!
    • 1.Sg6?
      • threat
        • 2.Qe5#
      • 1...Bxd4
        • 2.Se7#
      • 1...Bd6
        • 2.Qg8#
      • 1...Sd6!
  • Keys
    • 1.Sd3!
      • threat
        • 2.Qe5#
      • 1...Bxd4
        • 2.Sb4#
      • 1...Sd6
        • 2.Sc3#
      • 1...Bd6
        • 2.Qb3#

There are these versions: 81757

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);
      • Threat
        • QAR1(I)
      • Vars
        • B(f);OGATE,XP(E)::R1(D),XB(f)
        • S(e);N_GUARD::S(B)
      • Refutation
        • B(f);
    • Try
      • S(F);
      • Threat
        • QAR1(I)
      • Vars
        • S(e);N_GUARD::S(F)
        • B(f);SBLOCK::QAB(I)
      • Refutation
        • B(f);XP(E)
    • Try
      • S(F);
      • Threat
        • QAR1(I)
      • Vars
        • B(f);N_GUARD,XP(E)::S(F)
        • B(f);SBLOCK::QAB(I)
      • Refutation
        • S(e);
  • Actual
    • S(F);
    • Threat
      • QAR1(I)
    • Vars
      • B(f);N_GUARD,SBLOCK,XP(E)::S(F)
      • S(e);N_GUARD::S(B)
      • B(f);SBLOCK::QAB(I)
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