MESON Chess Problem Database

Problem Display
PID: 47169 (K7/2Q1p3/NN2r3/k3p3/p1B5/b7/8/1r6 w - - 0 1)

Rietveld, Johannes Jacob

Nieuws van den Dag, 1915

K7/2Q1p3/NN2r3/k3p3/p1B5/b7/8/1r6

#2

5 + 7

3310 2345 Chess Problems 1997

SOLUTION

  • SOUND
  • Sets
    • 1...Bb2
      • 2.Qc5#
  • Tries
    • 1.Qc5+?
      • 1...Rb5
        • 2.Qxb5#
      • 1...Bxc5!
  • Keys
    • 1.Sb4!
      • threat
        • 2.Qc5#
      • 1...Kxb4
        • 2.Sd5#
      • 1...Rxb4
        • 2.Qa7#
      • 1...Rxb6
        • 2.Sc6#
      • 1...Bxb4
        • 2.Qa7#
      • 1...Rc6
        • 2.Sxc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • B(b);N_GUARD,S_CUTR(a)::QAR2(D)
  • Tries
    • Try
      • Q(D);CHECK
      • Vars
        • R(a);N_GUARD,P_SPINR(a)::QAR1(D),XR(a)
      • Refutation
        • B(b);XQ(D)
  • Actual
    • S(B);
    • Threat
      • QAR2(D)
    • Vars
      • K(d);S_FLIGHT,XS(B)::S(C)
      • R(a);SBLOCK,XS(B)::QAR2(D)
      • R(f);N_GUARD,P_SPINR(f),XS(C)::S(B)
      • B(b);SBLOCK,XS(B)::QAR2(D)
      • R(f);N_GUARD::S(B),XR(f)
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