MESON Chess Problem Database

Problem Display
PID: 47120 (1b5n/8/2K1p3/2p1p1Qp/3pk1n1/5R1R/2P1N3/8 w - - 0 1)

Paslack, Rainer

5th Prize, Schach-Aktiv, 2003

1b5n/8/2K1p3/2p1p1Qp/3pk1n1/5R1R/2P1N3/8

#2

6 + 9

23 Die Schwalbe 2004
269 Schach-Aktiv 2006

SOLUTION

  • SOUND
  • Sets
    • 1...Sg6
      • 2.Qxg6#
    • 1...Sf7
      • 2.Qg6#
    • 1...d3
      • 2.cxd3#
    • 1...h4
      • 2.Qxg4#
  • Tries
    • 1.Rf1?
      • threat
        • 2.Sg3#
      • 1...d3
        • 2.cxd3#
      • 1...h4
        • 2.Qxg4#
      • 1...Sf2!
    • 1.Rf2?
      • threat
        • 2.Sg3#
      • 1...d3
        • 2.cxd3#
      • 1...h4
        • 2.Qxg4#
      • 1...Sxf2!
    • 1.Ra3?
      • threat
        • 2.Sg3#
      • 1...d3
        • 2.cxd3#
      • 1...h4
        • 2.Qxg4#
      • 1...Se3!
    • 1.Rb3?
      • threat
        • 2.Sg3#
      • 1...d3
        • 2.cxd3#
      • 1...h4
        • 2.Qxg4#
      • 1...Se3!
    • 1.Rd3?
      • threat
        • 2.Sg3#
      • 1...h4
        • 2.Qxg4#
      • 1...Se3!
    • 1.Rf5?
      • threat
        • 2.Sg3#
      • 1...d3
        • 2.cxd3#
      • 1...h4
        • 2.Qxg4#
      • 1...exf5!
    • 1.Rf6?
      • threat
        • 2.Sg3#
      • 1...d3
        • 2.cxd3#
      • 1...h4
        • 2.Qxg4#
      • 1...Sxf6!
    • 1.Rf7?
      • threat
        • 2.Sg3#
      • 1...Sxf7
        • 2.Qg6#
      • 1...d3
        • 2.cxd3#
      • 1...h4
        • 2.Qxg4#
      • 1...Sf6!
    • 1.Rf8?
      • threat
        • 2.Sg3#
      • 1...Sf7
        • 2.Qg6#
      • 1...d3
        • 2.cxd3#
      • 1...h4
        • 2.Qxg4#
      • 1...Sf6!
  • Keys
    • 1.Qxh5!
      • threat
        • 2.Qxg4#
      • 1...Sf2
        • 2.Sg3#
      • 1...Sh2
        • 2.Sg3#
      • 1...Se3
        • 2.Sg3#
      • 1...Sf6
        • 2.Sg3#
      • 1...Sh6
        • 2.Sg3#
      • 1...Sg6
        • 2.Qxg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 3
  • Sets
    • S(i);N_GUARD::QAB(E),XS(i)
    • S(i);N_GUARD::QAB(E)
    • P(a);OGATE::P(A),XP(a)
    • P(f);N_GUARD::QAR2(E),XS(c)
  • Tries
    • Try
      • R(C);
      • Threat
        • S(B)
      • Vars
        • P(a);OGATE::P(A),XP(a)
        • P(f);N_GUARD::QAR2(E),XS(c)
      • Refutation
        • S(c);
    • Try
      • R(C);
      • Threat
        • S(B)
      • Vars
        • P(a);OGATE::P(A),XP(a)
        • P(f);N_GUARD::QAR2(E),XS(c)
      • Refutation
        • S(c);XR(C)
    • Try
      • R(C);
      • Threat
        • S(B)
      • Vars
        • P(a);OGATE::P(A),XP(a)
        • P(f);N_GUARD::QAR2(E),XS(c)
      • Refutation
        • S(c);
    • Try
      • R(C);
      • Threat
        • S(B)
      • Vars
        • P(a);OGATE::P(A),XP(a)
        • P(f);N_GUARD::QAR2(E),XS(c)
      • Refutation
        • S(c);
    • Try
      • R(C);
      • Threat
        • S(B)
      • Vars
        • P(f);N_GUARD::QAR2(E),XS(c)
      • Refutation
        • S(c);
    • Try
      • R(C);
      • Threat
        • S(B)
      • Vars
        • P(a);OGATE::P(A),XP(a)
        • P(f);N_GUARD::QAR2(E),XS(c)
      • Refutation
        • P(g);XR(C)
    • Try
      • R(C);
      • Threat
        • S(B)
      • Vars
        • P(a);OGATE::P(A),XP(a)
        • P(f);N_GUARD::QAR2(E),XS(c)
      • Refutation
        • S(c);XR(C)
    • Try
      • R(C);
      • Threat
        • S(B)
      • Vars
        • S(i);N_GUARD,XR(C)::QAB(E)
        • P(a);OGATE::P(A),XP(a)
        • P(f);N_GUARD::QAR2(E),XS(c)
      • Refutation
        • S(c);
    • Try
      • R(C);
      • Threat
        • S(B)
      • Vars
        • S(i);N_GUARD::QAB(E)
        • P(a);OGATE::P(A),XP(a)
        • P(f);N_GUARD::QAR2(E),XS(c)
      • Refutation
        • S(c);
  • Actual
    • Q(E);XP(f)
    • Threat
      • QAR2(E),XS(c)
    • Vars
      • S(c);::S(B)
      • S(i);N_GUARD::QAB(E),XS(i)
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