MESON Chess Problem Database

Problem Display
PID: 78203 (2R4B/8/8/2n1N3/8/PkN1n2Q/R3K3/8 w - - 0 1)

Reddmann, Hauke

Die Schwalbe, 2007

2R4B/8/8/2n1N3/8/PkN1n2Q/R3K3/8

#2

8 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Kxc3
      • 2.Qxe3#
  • Tries
    • 1.Kxe3?
      • 1...Sd3
        • 2.Qe6#
      • 1...Sa4
        • 2.Qe6#
      • 1...Se4
        • 2.Qe6#
      • 1...Sa6
        • 2.Qe6#
      • 1...Se6
        • 2.Qxe6#
      • 1...Sb7
        • 2.Qe6#
      • 1...Sd7
        • 2.Qe6#
      • 1...Kxc3!
    • 1.Sf3?
      • threat
        • 2.Sd2#
      • 1...Kc4
        • 2.Sd2#
      • 1...Sc4
        • 2.Sd4#
      • 1...Se4
        • 2.Sd4#
      • 1...Sf1!
    • 1.Rxc5?
      • 1...Sd1
        • 2.Rb5#
        • 2.Qe6#
      • 1...Sf1
        • 2.Rb5#
        • 2.Qe6#
      • 1...Sc2
        • 2.Qe6#
      • 1...Sg2
        • 2.Rb5#
        • 2.Qe6#
      • 1...Sc4
        • 2.Rb5#
      • 1...Sg4
        • 2.Rb5#
      • 1...Sf5
        • 2.Rb5#
      • 1...Sd5!
  • Keys
    • 1.Sc6!
      • threat
        • 2.Sa5#
      • 1...Kc4
        • 2.Sa5#
      • 1...Sc4
        • 2.Sd4#
      • 1...Sb7
        • 2.Sd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • K(a);OGATEB,P-FLIGHT,P_SPINS(b),XS(D)::QAR2(E),XS(b)
  • Tries
    • Try
      • K(B);P-FLIGHT,XS(b)
      • Vars
        • S(c);N_GUARD::QAB(E)
        • S(c);N_GUARD::QAB(E),XS(c)
      • Refutation
        • K(a);P-FLIGHT,P_SPINS(c),XS(D)
    • Try
      • S(F);
      • Threat
        • S(F)
      • Vars
        • K(a);P_SPINS(c),S_FLIGHT::S(F)
        • S(b);SBLOCK::S(F)
        • S(c);::S(F)
      • Refutation
        • S(b);
    • Try
      • R(G);XS(c)
      • Vars
        • S(b);N_GUARD::QAB(E)
        • S(b);::R(G)
      • Refutation
        • S(b);
  • Actual
    • S(F);
    • Threat
      • S(F)
    • Vars
      • K(a);S_FLIGHT::S(F)
      • S(b);SBLOCK::S(F)
      • S(c);::S(F)
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Developed and maintained by Brian Stephenson.
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