MESON Chess Problem Database

Problem Display
PID: 158584 (3N3b/2Kp3B/Q7/1Rprk3/8/1P1n4/3B4/8 w - - 0 1)

Andrew, Frederick William

Morning Post, 1895

(First published on Wed Sep 4 1895)

3N3b/2Kp3B/Q7/1Rprk3/8/1P1n4/3B4/8

#2

7 + 6

15351 SCPF/BCPS Black Books 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Rd6
      • 2.Qxd6#
  • Tries
    • 1.Bc3+?
      • 1...Rd4
        • 2.Qd6#
      • 1...Kf4!
    • 1.Qe6+?
      • 1...Kd4
        • 2.Qe3#
        • 2.Qe4#
      • 1...dxe6!
  • Keys
    • 1.Qh6!
      • 1...Kd4
        • 2.Qe3#
      • 1...Rd6
        • 2.Qxd6#
      • 1...Rd4
        • 2.Qg5#
      • 1...Bf6
        • 2.Qe3#
      • 1...Bg7
        • 2.Qxg7#
      • 1...Sc1
        • 2.Qf4#
      • 1...Se1
        • 2.Qf4#
      • 1...Sb2
        • 2.Qf4#
      • 1...Sf2
        • 2.Qf4#
      • 1...Sb4
        • 2.Qf4#
      • 1...Sf4
        • 2.Qxf4#
      • 1...c4
        • 2.Bc3#
      • 1...d6
        • 2.Sc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 12
    • REMOVED MATES = 0
  • Sets
    • R(c);N_GUARD,P_SPINP(b)::QAB1(D),XR(c)
  • Tries
    • Try
      • B(A);CHECK
      • Vars
        • R(c);P_SPINP(b),P_SPINR(c)::QAB1(D)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • Q(D);CHECK
      • Refutation
        • P(e);XQ(D)
  • Actual
    • Q(D);
    • Vars
      • K(d);S_FLIGHT::QAB1(D)
      • R(c);N_GUARD,P_SPINP(b)::QAB1(D),XR(c)
      • R(c);P_SPINP(b),SBLOCK::QAR2(D)
      • B(f);SBLOCK::QAR2(D)
      • B(f);N_GUARD::QAB(D),XB(f)
      • S(a);N_GUARD::QAB1(D)
      • S(a);N_GUARD::QAB1(D),XS(a)
      • P(b);P_SPINR(c)::B(A)
      • P(e);N_GUARD::S(G)
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