MESON Chess Problem Database

Problem Display
PID: 159956 (1R1K4/1N6/1pk3p1/p2npp2/PB1p1R2/7B/4P1Q1/8 w - - 0 1)

Andrew, Frederick William

Stoke Newington Recorder, 1906

1R1K4/1N6/1pk3p1/p2npp2/PB1p1R2/7B/4P1Q1/8

#2

9 + 8

15351 SCPF/BCPS Black Books 2017

SOLUTION

  • SOUND
  • Sets
    • 1...d3
      • 2.Rc4#
    • 1...b5
      • 2.Sxa5#
  • Tries
    • 1.Bxf5?
      • threat
        • 2.Bd7#
      • 1...b5
        • 2.Sxa5#
      • 1...gxf5!
    • 1.Rf1?
      • threat
        • 2.Rc1#
      • 1...b5
        • 2.Sxa5#
      • 1...e4!
    • 1.Rxd4?
      • threat
        • 2.Rc4#
        • 2.Qxd5#
      • 1...b5
        • 2.Sxa5#
      • 1...e4
        • 2.Rc4#
      • 1...exd4!
  • Keys
    • 1.e4!
      • threat
        • 2.exd5#
      • 1...Sxb4
        • 2.Qxg6#
      • 1...Sxf4
        • 2.Qc2#
      • 1...fxe4
        • 2.Bd7#
      • 1...dxe4 ep
        • 2.Rc4#
      • 1...b5
        • 2.Sxa5#
      • 1...Sc3
        • 2.Qxg6#
      • 1...Se3
        • 2.Qxg6#
      • 1...Sf6
        • 2.Qc2#
      • 1...Sc7
        • 2.Qc2#
      • 1...Se7
        • 2.Qc2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 1
  • Sets
    • P(a);OGATE::R(F)
    • P(f);N_GUARD::S(G),XP(b)
  • Tries
    • Try
      • B(C);XP(e)
      • Threat
        • B(C)
      • Vars
        • P(f);N_GUARD::S(G),XP(b)
      • Refutation
        • P(h);XB(C)
    • Try
      • R(F);
      • Threat
        • R(F)
      • Vars
        • P(f);N_GUARD::S(G),XP(b)
      • Refutation
        • P(d);N_SPINS(c)
    • Try
      • R(F);XP(a)
      • Threat
        • DUALS(2)
      • Vars
        • P(f);N_GUARD::S(G),XP(b)
        • P(d);N_SPINS(c)::R(F)
      • Refutation
        • P(d);XR(F)
  • Actual
    • P(A);N_PINS(c)
    • Threat
      • P(A),XS(c)
    • Vars
      • S(c);N_GUARD,XB(E)::QAR(B),XP(h)
      • S(c);N_GUARD,XR(F)::QAR(B)
      • P(e);OGATE,XP(A)::B(C)
      • P(a);EP,OGATE,P_SPINS(c),XP(A)::R(F)
      • P(f);N_GUARD::S(G),XP(b)
      • S(c);N_GUARD::QAR(B),XP(h)
      • S(c);N_GUARD::QAR(B)
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