MESON Chess Problem Database

Problem Display
PID: 159514 (3N4/1B6/1kPB4/1r6/8/1P2N3/8/4KQ2 w - - 0 1)

Andrew, Frederick William

Bristol Mercury and Daily Post, 1894

(First published on Sat Sep 15 1894)

3N4/1B6/1kPB4/1r6/8/1P2N3/8/4KQ2

#2

8 + 2

15351 SCPF/BCPS Black Books 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Ka5
      • 2.Sc4#
    • 1...Rxb3
      • 2.Qa6#
    • 1...Rb4
      • 2.Qa6#
    • 1...Rc5
      • 2.Qa6#
    • 1...Rd5
      • 2.Qa6#
    • 1...Re5
      • 2.Qa6#
    • 1...Rf5
      • 2.Qa6#
    • 1...Rg5
      • 2.Qa6#
    • 1...Rh5
      • 2.Qa6#
  • Tries
    • 1.Qxb5+?
      • 1...Ka7
        • 2.Qa6#
        • 2.Qa5#
        • 2.Qc5#
      • 1...Kxb5!
  • Keys
    • 1.c7!
      • 1...Ka5
        • 2.Sc4#
      • 1...Ka7
        • 2.c8S#
      • 1...Rxb3
        • 2.Qa6#
      • 1...Ra5
        • 2.c8S#
      • 1...Rb4
        • 2.Qa6#
      • 1...Rc5
        • 2.Qa6#
      • 1...Rd5
        • 2.Qa6#
      • 1...Re5
        • 2.Qa6#
      • 1...Rf5
        • 2.Qa6#
      • 1...Rg5
        • 2.Qa6#
      • 1...Rh5
        • 2.Qa6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::S(D)
    • R(a);OGATE,XP(C)::QAR1(B)
    • R(a);OGATE::QAR1(B)
    • R(a);OGATE,P_PINS(D)::QAR1(B)
  • Tries
    • Try
      • Q(B);CHECK,XR(a)
      • Refutation
        • K(b);P-FLIGHT,XQ(B)
  • Actual
    • P(E);
    • Vars
      • K(b);S_FLIGHT::S(D)
      • K(b);S_FLIGHT::P=S
      • R(a);OGATE,XP(C)::QAR1(B)
      • R(a);SBLOCK::P=S
      • R(a);OGATE::QAR1(B)
      • R(a);OGATE,P_PINS(D)::QAR1(B)
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