MESON Chess Problem Database

Problem Display
PID: 66257 (Nq6/8/1pb2Q2/1p1k1p2/B7/1N4n1/2R1p3/4K3 w - - 0 1)

van Beek, J

Tijdschrift vd NSB, 1896

Nq6/8/1pb2Q2/1p1k1p2/B7/1N4n1/2R1p3/4K3

#2

6 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Qe5
      • 2.Qxc6#
    • 1...b4
      • 2.Bxc6#
  • Tries
    • 1.Rd2+?
      • 1...Kc4
        • 2.Qd4#
      • 1...Ke4!
  • Keys
    • 1.Rc4!
      • threat
        • 2.Rd4#
      • 1...Kxc4
        • 2.Qd4#
      • 1...bxc4
        • 2.Bxc6#
      • 1...Qf4
        • 2.Sxb6#
      • 1...Qe5
        • 2.Sxb6#
        • 2.Qxc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • Q(h);SBLOCK::QAB1(E),XB(g)
    • P(c);OGATE::B(D),XB(g)
  • Tries
    • Try
      • R(B);CHECK
      • Vars
        • K(d);S_FLIGHT::QAR1(E)
      • Refutation
        • K(d);S_FLIGHT
  • Actual
    • R(B);
    • Threat
      • R1(B)
    • Vars
      • K(d);S_FLIGHT,XR(B)::QAR1(E)
      • P(c);OGATE,SBLOCK,XR(B)::B(D),XB(g)
      • Q(h);N_GUARD::S(F),XP(f)
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