MESON Chess Problem Database

Problem Display
PID: 67989 (2b1NbB1/p2p4/5Q2/KPkN4/R2pn2q/2p5/5n2/3rr3 w - - 0 1)

Paslack, Rainer

Probleemblad, 2006

2b1NbB1/p2p4/5Q2/KPkN4/R2pn2q/2p5/5n2/3rr3

#2

7 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Qxd4#
    • 1...Rb1
      • 2.Qxd4#
    • 1...Rc1
      • 2.Qxd4#
    • 1...Sd3
      • 2.Qxd4#
    • 1...d3
      • 2.Qd4#
    • 1...a6
      • 2.Qb6#
  • Tries
    • 1.Se3?
      • threat
        • 2.Rc4#
      • 1...Ra1
        • 2.Qxd4#
      • 1...Sd6
        • 2.Qe5#
      • 1...d5
        • 2.Qc6#
      • 1...Sd2!
    • 1.Sf4?
      • threat
        • 2.Rc4#
      • 1...Sd2
        • 2.Qxd4#
      • 1...Ra1
        • 2.Qxd4#
      • 1...d5
        • 2.Qc6#
      • 1...Sd6!
  • Keys
    • 1.Se7!
      • threat
        • 2.Rc4#
      • 1...Sd2
        • 2.Qd6#
      • 1...Ra1
        • 2.Qxd4#
      • 1...Sd6
        • 2.Qxd6#
      • 1...d5
        • 2.Qc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 5
  • Sets
    • R(a);N_GUARD,P_PINR(A)::QAB1(E),XP(e)
    • R(a);N_GUARD::QAB1(E),XP(e)
    • S(c);S_CUTR(a)::QAB1(E),XP(e)
    • P(e);S_CUTR(a)::QAB1(E)
    • P(i);N_GUARD::QAB1(E)
  • Tries
    • Try
      • S(D);
      • Threat
        • R1(A)
      • Vars
        • R(a);N_GUARD,P_PINR(A)::QAB1(E),XP(e)
        • S(f);S_CUTP(j)::QAR2(E)
        • P(j);N_GUARD::QAR1(E)
      • Refutation
        • S(f);
    • Try
      • S(D);
      • Threat
        • R1(A)
      • Vars
        • S(f);S_CUTR(a)::QAB1(E),XP(e)
        • R(a);N_GUARD,P_PINR(A)::QAB1(E),XP(e)
        • P(j);N_GUARD::QAR1(E)
      • Refutation
        • S(f);
  • Actual
    • S(D);
    • Threat
      • R1(A)
    • Vars
      • S(f);N_GUARD::QAB1(E)
      • R(a);N_GUARD,P_PINR(A)::QAB1(E),XP(e)
      • S(f);N_GUARD::QAB1(E),XS(f)
      • P(j);N_GUARD::QAR1(E)
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