MESON Chess Problem Database

Problem Display
PID: 48253 (4q3/PR1Bp2Q/3P4/1NppBN2/2k3p1/P6R/3Pnn2/K2b4 w - - 0 1)

Papack, Daniel

1st Prize, Problem-Forum, 2001

4q3/PR1Bp2Q/3P4/1NppBN2/2k3p1/P6R/3Pnn2/K2b4

#2

12 + 9

23 Die Schwalbe 2003
56 The Problemist 2004

SOLUTION

  • SOUND
  • Sets
    • 1...Bb3
      • 2.Se3#
    • 1...Sc1
      • 2.Rc3#
    • 1...Sg1
      • 2.Rc3#
    • 1...Sc3
      • 2.Rxc3#
    • 1...Sd4
      • 2.Rc3#
    • 1...Sf4
      • 2.Rc3#
    • 1...d4
      • 2.Be6#
    • 1...exd6
      • 2.Sbxd6#
      • 2.Sfxd6#
  • Tries
    • 1.Sc3?
      • threat
        • 2.Se3#
      • 1...Se4
        • 2.d3#
      • 1...d4
        • 2.Be6#
      • 1...Qg6!
    • 1.Sbd4?
      • threat
        • 2.Se3#
      • 1...cxd4
        • 2.Rc7#
      • 1...Qg6
        • 2.Bb5#
      • 1...Se4!
  • Keys
    • 1.Sc7!
      • threat
        • 2.Se3#
      • 1...Qg6
        • 2.Bb5#
      • 1...Se4
        • 2.d3#
      • 1...d4
        • 2.Be6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 6
  • Sets
    • B(a);SBLOCK::S(G)
    • S(b);N_GUARD::R1(D)
    • S(b);N_GUARD::R1(D),XS(b)
    • P(g);OGATEB::B(K)
  • Tries
    • Try
      • S(E);
      • Threat
        • S(G)
      • Vars
        • S(c);N_GUARD::P(B)
        • P(g);OGATEB::B(K)
      • Refutation
        • Q(i);
    • Try
      • S(E);
      • Threat
        • S(G)
      • Vars
        • P(f);OGATEB,XS(E)::R(J)
        • Q(i);N_GUARD::B(K)
      • Refutation
        • S(c);
  • Actual
    • S(E);
    • Threat
      • S(G)
    • Vars
      • Q(i);N_GUARD::B(K)
      • S(c);N_GUARD::P(B)
      • P(g);OGATEB::B(K)
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