MESON Chess Problem Database

Problem Display
PID: 51934 (5K2/n2p2N1/rN3p2/2p1k3/p4p1Q/3ppB2/8/8 w - - 0 1)

Zipf, Volker

Die Schwalbe, 2003

5K2/n2p2N1/rN3p2/2p1k3/p4p1Q/3ppB2/8/8

#2

5 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Qxf6#
    • 1...Kd6
      • 2.Qxf4#
  • Tries
    • 1.Kf7?
      • threat
        • 2.Qxf6#
      • 1...Kd4
        • 2.Qxf6#
      • 1...Kd6
        • 2.Qxf4#
      • 1...f5
        • 2.Qf6#
      • 1...Rxb6!
    • 1.Se8?
      • threat
        • 2.Qxf6#
      • 1...Kd4
        • 2.Qxf6#
      • 1...Kf5
        • 2.Qxf6#
      • 1...Ke6
        • 2.Qxf6#
      • 1...f5
        • 2.Qf6#
      • 1...Rxb6!
  • Keys
    • 1.Sd5!
      • threat
        • 2.Qxf4#
      • 1...Kd4
        • 2.Qxf4#
      • 1...Kd6
        • 2.Qxf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(f);P_SPINP(d),S_FLIGHT::QAB(B),XP(h)
    • K(f);S_FLIGHT::QAB(B),XP(d)
  • Tries
    • Try
      • K(E);P-FLIGHT
      • Threat
        • QAB1(B),XP(h)
      • Vars
        • K(f);P_SPINP(d),S_FLIGHT::QAB(B),XP(h)
        • K(f);S_FLIGHT::QAB(B),XP(d)
        • P(h);::QAB1(B)
      • Refutation
        • R(g);XS(C)
    • Try
      • S(D);
      • Threat
        • QAB1(B),XP(h)
      • Vars
        • K(f);P_SPINP(d),S_FLIGHT::QAB(B),XP(h)
        • K(f);P-FLIGHT::QAR1(B),XP(h)
        • P(h);::QAB1(B)
      • Refutation
        • R(g);XS(C)
  • Actual
    • S(C);
    • Threat
      • QAB1(B),XP(d)
    • Vars
      • K(f);P_SPINP(d),S_FLIGHT::QAR2(B),XP(d)
      • K(f);S_FLIGHT::QAR2(B),XP(h)
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