MESON Chess Problem Database

Problem Display
PID: 159445 (8/8/3B2R1/1N1r1k1P/3p3r/7n/2R2p2/2Q2KnB w - - 0 1)

Andrew, Frederick William

Birmingham News, 1898

(First published on Sat Aug 20 1898)

8/8/3B2R1/1N1r1k1P/3p3r/7n/2R2p2/2Q2KnB

#2

8 + 7

15351 SCPF/BCPS Black Books 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Rc5
      • 2.Rxc5#
    • 1...Sg5
      • 2.Qxg5#
  • Tries
    • 1.Rxf2+?
      • 1...Rf4
        • 2.Qc8#
      • 1...Sxf2
        • 2.Qg5#
        • 2.Qc8#
      • 1...Sf4
        • 2.Qc8#
      • 1...Sf3!
    • 1.Qe3?
      • threat
        • 2.Qe6#
      • 1...Rxd6
        • 2.Sxd6#
      • 1...Sg5
        • 2.Qxg5#
      • 1...Re4
        • 2.Bxe4#
        • 2.Qxe4#
      • 1...Re5
        • 2.Qxe5#
      • 1...Sf4
        • 2.Be4#
        • 2.Qe4#
      • 1...dxe3!
  • Keys
    • 1.Re2!
      • threat
        • 2.Qc8#
      • 1...Rxh5
        • 2.Be4#
      • 1...Rxd6
        • 2.Sxd6#
      • 1...Sg5
        • 2.Qxg5#
      • 1...Re4
        • 2.Bxe4#
      • 1...Rc5
        • 2.Qxc5#
      • 1...Re5
        • 2.Rxe5#
      • 1...Sf4
        • 2.Be4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • R(f);OGATEB::R(D),XR(f)
    • S(c);N_GUARD::QAR1(A),XS(c)
  • Tries
    • Try
      • R(D);CHECK,XP(b)
      • Vars
        • R(e);P_PINR(D),P_SPINR(e)::QAB(A)
        • S(c);P_SPINS(c)::QAB(A)
      • Refutation
        • S(a);P_SPINS(a)
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Vars
        • R(f);XB(G)::S(E),XR(f)
        • S(c);N_GUARD::QAR1(A),XS(c)
        • R(f);N_GUARD::QAR1(A),XR(f)
      • Refutation
        • P(d);XQ(A)
  • Actual
    • R(D);
    • Threat
      • QAB(A)
    • Vars
      • R(e);N_GUARD,XP(F)::B(C)
      • R(f);XB(G)::S(E),XR(f)
      • S(c);N_GUARD::QAR1(A),XS(c)
      • R(e);N_GUARD::B(C),XR(e)
      • R(f);OGATEB::QAR(A),XR(f)
      • R(f);N_GUARD::R1(D),XR(f)
      • S(c);S_CUTR(e)::B(C)
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