MESON Chess Problem Database

Problem Display
PID: 19082 (2Kb4/3Np3/2k2q2/1pN5/1B6/8/B6Q/8 w - - 0 1)

Bolus, Andrew

Hampshire Post, 1912

2Kb4/3Np3/2k2q2/1pN5/1B6/8/B6Q/8

#2

6 + 5

5501 Chess Cameos 1936
3310 2345 Chess Problems 1997

SOLUTION

  • SOUND
  • Sets
    • 1...Bb6
      • 2.Sb8#
    • 1...Bc7
      • 2.Qxc7#
  • Tries
    • 1.Qh1+?
      • 1...Kd6
        • 2.Sd3#
        • 2.Sa4#
        • 2.Sa6#
        • 2.Se6#
        • 2.Sb7#
        • 2.Qd5#
      • 1...Qf3!
    • 1.Qg2+?
      • 1...Kd6
        • 2.Sd3#
        • 2.Sa4#
        • 2.Sa6#
        • 2.Se6#
        • 2.Sb7#
        • 2.Qd5#
      • 1...Qf3!
  • Keys
    • 1.Sb7!
      • threat
        • 2.Sxd8#
      • 1...Qh8
        • 2.Qg2#
      • 1...Qf8
        • 2.Qc2#
      • 1...Ba5
        • 2.Sxa5#
      • 1...Bb6
        • 2.Sb8#
      • 1...Bc7
        • 2.Qxc7#
      • 1...e5
        • 2.Qc2#
      • 1...e6
        • 2.Qd6#

This is a version of 107756

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • B(e);SBLOCK::S(E)
    • B(e);N_GUARD::QAR1(B),XB(e)
  • Tries
    • Try
      • Q(B);CHECK
      • Refutation
        • Q(c);P_SPINQ(c)
    • Try
      • Q(B);CHECK
      • Refutation
        • Q(c);P_SPINQ(c)
  • Actual
    • S(D);
    • Threat
      • S(D),XB(e)
    • Vars
      • Q(c);N_GUARD::QAB(B)
      • Q(c);N_GUARD::QAR(B)
      • B(e);N_GUARD::S(D),XB(e)
      • B(e);SBLOCK::S(E)
      • B(e);N_GUARD::QAR1(B),XB(e)
      • P(d);S_CUTQ(c)::QAR(B)
      • P(d);N_GUARD,S_CUTQ(c)::QAR1(B)
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