MESON Chess Problem Database

Problem Display
PID: 159398 (8/1np3pR/PNk3b1/8/3PP1N1/6B1/1R3p2/1K3B1Q w - - 0 1)

Andrew, Frederick William

Birmingham Weekly Post, 1898

(First published on Sat May 14 1898)

8/1np3pR/PNk3b1/8/3PP1N1/6B1/1R3p2/1K3B1Q

#2

11 + 6

15351 SCPF/BCPS Black Books 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Bxe4+
      • 2.Qxe4#
    • 1...Bf5
      • 2.exf5#
    • 1...Bh5
      • 2.e5#
    • 1...Be8
      • 2.e5#
    • 1...Sc5
      • 2.d5#
    • 1...Sd6
      • 2.Se5#
    • 1...cxb6
      • 2.Bb5#
  • Tries
    • 1.Rxg7?
      • threat
        • 2.Rxc7#
      • 1...Bxe4+
        • 2.Qxe4#
      • 1...cxb6
        • 2.Bb5#
        • 2.Rc7#
      • 1...Sd6
        • 2.Se5#
      • 1...Bf7!
  • Keys
    • 1.Qh6!
      • 1...cxb6
        • 2.Bb5#
      • 1...gxh6
        • 2.Rxc7#
      • 1...Sa5
        • 2.Qxg6#
      • 1...Sc5
        • 2.d5#
      • 1...Sd6
        • 2.Se5#
      • 1...Sd8
        • 2.Qc1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 4
  • Sets
    • B(c);CHECK,OGATE,P_SPINB(c),XP(G)::QAB(C),XB(c)
    • B(c);::QAB(C)+P(G),XB(c)
    • B(c);N_PINP(G)::QAB(C)+P(G)
    • S(d);SBLOCK::P(F)
    • S(d);SBLOCK::S(H)
    • P(e);SBLOCK,XS(J)::B(B)
  • Tries
    • Try
      • R(K);XP(f)
      • Threat
        • R1(K),XP(e)
      • Vars
        • B(c);CHECK,OGATE,P_SPINB(c),XP(G)::QAB(C),XB(c)
        • S(d);SBLOCK::S(H)
      • Refutation
        • B(c);N_PINP(G)
  • Actual
    • Q(C);P_PINB(c)
    • Vars
      • P(e);SBLOCK,XS(J)::B(B)
      • P(f);N_SPINB(c),OGATE,XQ(C)::R1(K),XP(e)
      • S(d);N_GUARD::QAR(C),XB(c)
      • S(d);SBLOCK::P(F)
      • S(d);N_SPINB(c),SBLOCK::S(H)
      • S(d);N_GUARD::QAR(C)
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