MESON Chess Problem Database

Problem Display
PID: 55499 (6R1/5Nn1/4p2p/2Q5/r6k/4P1Nn/4B2K/8 w - - 0 1)

Reddmann, Hauke

Die Schwalbe, 2004

6R1/5Nn1/4p2p/2Q5/r6k/4P1Nn/4B2K/8

#2

7 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Sg1
      • 2.Qe7#
    • 1...Sf2
      • 2.Qe7#
    • 1...Sf4
      • 2.Qe7#
    • 1...Sh5
      • 2.Qxh5#
    • 1...Se8
      • 2.Qh5#
  • Tries
    • 1.Rxg7?
      • threat
        • 2.Qh5#
      • 1...Ra5
        • 2.Rg4#
      • 1...Sf4
        • 2.Rg4#
        • 2.Qe7#
      • 1...e5
        • 2.Sf5#
      • 1...h5
        • 2.Qxh5#
      • 1...Sg5!
    • 1.Qb4+?
      • 1...Sf4
        • 2.Qe7#
      • 1...Rxb4!
    • 1.Qd4+?
      • 1...Sf4
        • 2.Qf6#
        • 2.Qd8#
      • 1...Rxd4!
  • Keys
    • 1.Se5!
      • threat
        • 2.Sg6#
      • 1...Kg5
        • 2.Qe7#
      • 1...Rg4
        • 2.Sf3#
      • 1...Sf4
        • 2.Qe7#
      • 1...Sf5
        • 2.Sf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 4
  • Sets
    • S(a);N_GUARD::QAB(E)
    • S(f);N_GUARD::QAR1(E),XS(f)
    • S(f);N_GUARD::QAR1(E)
  • Tries
    • Try
      • R(G);XS(f)
      • Threat
        • QAR1(E)
      • Vars
        • R(b);N_GUARD::R1(G)
        • P(d);N_GUARD::S(D)
        • P(e);::QAR1(E),XP(e)
      • Refutation
        • S(a);
    • Try
      • Q(E);CHECK
      • Vars
        • S(a);N_GUARD,P_SPINS(a)::QAB(E)
      • Refutation
        • R(b);XQ(E)
    • Try
      • Q(E);CHECK
      • Refutation
        • R(b);XQ(E)
  • Actual
    • S(F);
    • Threat
      • S(F)
    • Vars
      • K(c);P_SPINS(f),S_FLIGHT::QAB(E)
      • R(b);SBLOCK::S(F)
      • S(a);N_GUARD::QAB(E)
      • S(f);::S(F)
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