MESON Chess Problem Database

Problem Display
PID: 67318 (N3BK2/8/2P2Rpp/Nnk1p1Qq/1pP5/1p2p3/5P2/8 w - - 0 1)

Bruch, Wieland

4th Prize, Phenix, 2000

N3BK2/8/2P2Rpp/Nnk1p1Qq/1pP5/1p2p3/5P2/8

#2

9 + 9

23 Die Schwalbe 2008

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Qxe3#
    • 1...Qe2
      • 2.Qxe5#
    • 1...Qg4
      • 2.Qxe5#
    • 1...Qh3
      • 2.Qxe5#
    • 1...Qh4
      • 2.Qxe5#
    • 1...Sa3
      • 2.Qxe3#
    • 1...Sc3
      • 2.Qxe3#
    • 1...Sd6
      • 2.Qxe3#
    • 1...Sa7
      • 2.Qxe3#
    • 1...Sc7
      • 2.Qxe3#
  • Tries
    • 1.Bf7?
      • threat
        • 2.Sxb3#
      • 1...Kd4
        • 2.Qxe3#
      • 1...Sd4
        • 2.Sb7#
      • 1...Sd6
        • 2.Qxe3#
      • 1...b2
        • 2.Sb3#
      • 1...Qd1!
  • Keys
    • 1.Rf4!
      • threat
        • 2.Sb7#
      • 1...Kd6
        • 2.Qe7#
      • 1...Sd4
        • 2.Qe7#
      • 1...Sd6
        • 2.Sxb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 9
  • Sets
    • K(e);N_SPINP(f),S_FLIGHT::QAB1(D),XP(b)
    • Q(g);N_GUARD::QAR2(D),XP(f)
    • S(d);N_GUARD::QAB(D),XP(b)
  • Tries
    • Try
      • B(H);
      • Threat
        • S(C),XP(a)
      • Vars
        • K(e);N_SPINP(f),S_FLIGHT::QAB1(D),XP(b)
        • S(d);SBLOCK::S(C)
        • S(d);N_GUARD::QAB(D),XP(b)
        • P(a);::S(C)
      • Refutation
        • Q(g);
  • Actual
    • R(F);
    • Threat
      • S(C)
    • Vars
      • K(e);N_SPINP(f),S_FLIGHT::QAB1(D)
      • S(d);N_GUARD::QAB(D)
      • S(d);SBLOCK::S(C),XP(a)
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