MESON Chess Problem Database

Problem Display
PID: 104320 (7b/2n3BQ/4p3/Rb3NNp/5k2/7P/5K2/6R1 w - - 0 1)

Dittrich, Stefan

Revista Romana de Sah, 1986

7b/2n3BQ/4p3/Rb3NNp/5k2/7P/5K2/6R1

#2

8 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ba4
      • 2.Rxa4#
    • 1...h4
      • 2.Rg4#
  • Tries
    • 1.Se3?
      • threat
        • 2.Qe4#
      • 1...Bd3
        • 2.Sg2#
      • 1...Bc6!
    • 1.Sd4?
      • threat
        • 2.Qe4#
      • 1...Bc6
        • 2.Se2#
      • 1...Bd3!
    • 1.Se7?
      • threat
        • 2.Qe4#
      • 1...Bc6
        • 2.Sg6#
      • 1...Bd3!
    • 1.Sxe6+?
      • 1...Ke4
        • 2.Se3#
        • 2.Se7#
      • 1...Sxe6!
    • 1.Ra4+?
      • 1...Bc4
        • 2.Rxc4#
      • 1...Bxa4!
  • Keys
    • 1.Sh4!
      • threat
        • 2.Qe4#
      • 1...Bd3
        • 2.Sg2#
      • 1...Bc6
        • 2.Sg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • B(b);N_GUARD::R(D),XB(b)
    • P(c);N_GUARD::R1(A)
  • Tries
    • Try
      • S(E);
      • Threat
        • QAR1(H)
      • Vars
        • B(b);::S(E)
      • Refutation
        • B(b);
    • Try
      • S(E);
      • Threat
        • QAR1(H)
      • Vars
        • B(b);N_GUARD::S(E)
      • Refutation
        • B(b);
    • Try
      • S(E);
      • Threat
        • QAR1(H)
      • Vars
        • B(b);::S(E)
      • Refutation
        • B(b);
    • Try
      • S(F);CHECK,XP(d)
      • Refutation
        • S(e);XS(F)
    • Try
      • R(D);CHECK
      • Vars
        • B(b);N_GUARD,P_SPINB(b)::R(D),XB(b)
      • Refutation
        • B(b);XR(D)
  • Actual
    • S(E);
    • Threat
      • QAR1(H)
    • Vars
      • B(b);::S(E)
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