MESON Chess Problem Database

Problem Display
PID: 244418 (2B5/3n4/5N2/7p/5B1k/2R1p2P/4Nb2/2KQ4 w - - 0 1)

Dittrich, Stefan

4th HM., Deutsche Schachzeitung, 1982

2B5/3n4/5N2/7p/5B1k/2R1p2P/4Nb2/2KQ4

#2

8 + 5

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kxh3
      • 2.Qh1#
  • Tries
    • 1.Sg1?
      • threat
        • 2.Qxh5#
      • 1...Sxf6
        • 2.Sf3#
      • 1...e2!
    • 1.Sg3?
      • threat
        • 2.Qxh5#
      • 1...Kxh3
        • 2.Qh1#
      • 1...e2
        • 2.Sf5#
      • 1...Sxf6!
    • 1.Bg5+?
      • 1...Kxh3
        • 2.Qh1#
      • 1...Kxg5!
    • 1.Qd5?
      • threat
        • 2.Qxh5#
      • 1...Kxh3
        • 2.Qh1#
      • 1...Sxf6
        • 2.Bg5#
        • 2.Qg5#
      • 1...Se5!
  • Keys
    • 1.Sd4!
      • threat
        • 2.Qxh5#
      • 1...Kxh3
        • 2.Qh1#
      • 1...Sxf6
        • 2.Sf3#
      • 1...e2
        • 2.Sf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(c);OGATEB,P-FLIGHT,P_SPINP(b),P_SPINS(e),XP(E)::QAR2(B)
  • Tries
    • Try
      • S(C);
      • Threat
        • QAR1(B),XP(d)
      • Vars
        • S(e);XS(G)::S(C)
      • Refutation
        • P(b);
    • Try
      • S(C);
      • Threat
        • QAR1(B),XP(d)
      • Vars
        • K(c);OGATEB,P-FLIGHT,P_SPINS(e),XP(E)::QAR2(B)
        • P(b);::S(C)
      • Refutation
        • S(e);XS(G)
    • Try
      • B(F);CHECK
      • Vars
        • K(c);P-FLIGHT,P_SPINP(b),P_SPINS(e),XP(E)::QAR2(B)
      • Refutation
        • K(c);S_FLIGHT,XB(F)
    • Try
      • Q(B);
      • Threat
        • QAR1(B),XP(d)
      • Vars
        • K(c);OGATEB,P-FLIGHT,P_SPINP(b),P_SPINS(e),XP(E)::QAR2(B)
      • Refutation
        • S(e);
  • Actual
    • S(C);
    • Threat
      • QAR1(B),XP(d)
    • Vars
      • K(c);OGATEB,P-FLIGHT,P_SPINP(b),P_SPINS(e),XP(E)::QAR2(B)
      • S(e);XS(G)::S(C)
      • P(b);::S(C)
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