MESON Chess Problem Database

Problem Display
PID: 258921 (5R2/3pp1K1/2b1N1p1/3pk3/5N2/B5P1/2r2p2/1Q1R3B w - - 0 1)

Dittrich, Stefan

6th Prize, Deutsche Schachzeitung, 1987

5R2/3pp1K1/2b1N1p1/3pk3/5N2/B5P1/2r2p2/1Q1R3B

#2

9 + 8

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Ba4
      • 2.Rxd5#
    • 1...Bb5
      • 2.Rxd5#
    • 1...dxe6
      • 2.Sxg6#
      • 2.Qb8#
  • Tries
    • 1.Kxg6?
      • threat
        • 2.Rf5#
      • 1...dxe6
        • 2.Qb8#
      • 1...Rc5!
    • 1.Sd4?
      • threat
        • 2.Sxg6#
      • 1...Rd2
        • 2.Sf3#
      • 1...g5
        • 2.Sg6#
        • 2.Rf5#
      • 1...Rc5!
    • 1.Sd8?
      • threat
        • 2.Sxg6#
      • 1...Rc5
        • 2.Sf7#
      • 1...g5
        • 2.Sg6#
      • 1...Rd2!
    • 1.Bd6+?
      • 1...Kxd6
        • 2.Qb8#
      • 1...exd6!
  • Keys
    • 1.Sg5!
      • threat
        • 2.Sxg6#
      • 1...Rd2
        • 2.Sf3#
      • 1...Rc5
        • 2.Sf7#

This is a version of 141993

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • B(e);N_GUARD::R1(B),XP(c)
  • Tries
    • Try
      • K(H);P-FLIGHT,XP(f)
      • Threat
        • R1(I)
      • Vars
        • P(g);N_GUARD,XS(G)::QAB(A)
      • Refutation
        • R(a);
    • Try
      • S(G);
      • Threat
        • S(F),XP(f)
      • Vars
        • R(a);::S(G)
      • Refutation
        • R(a);
    • Try
      • S(G);
      • Threat
        • S(F),XP(f)
      • Vars
        • R(a);::S(G)
        • P(f);::S(F)
      • Refutation
        • R(a);
    • Try
      • B(D);CHECK
      • Vars
        • K(d);P_SPINP(c),S_CUTP(h),S_FLIGHT,XB(D)::QAB(A)
      • Refutation
        • P(h);XB(D)
  • Actual
    • S(G);
    • Threat
      • S(F),XP(f)
    • Vars
      • R(a);::S(G)
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