MESON Chess Problem Database

Problem Display
PID: 160848 (8/3npN2/4Pr2/2pk4/Q4p2/3N2b1/4R3/1K5b w - - 0 1)

Williams, Philip Hamilton

Leeds Mercury Supplement, 1904

8/3npN2/4Pr2/2pk4/Q4p2/3N2b1/4R3/1K5b

#2

6 + 8

15351 SCPF/BCPS Black Books 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Be4
      • 2.Qxe4#
    • 1...Se5
      • 2.Rxe5#
    • 1...Sb6
      • 2.Re5#
    • 1...Sb8
      • 2.Re5#
    • 1...Sf8
      • 2.Re5#
    • 1...f3
      • 2.Qe4#
    • 1...c4
      • 2.Qxd7#
  • Keys
    • 1.Sb2!
      • threat
        • 2.Qxd7#
      • 1...Be4+
        • 2.Qxe4#
      • 1...Rxe6
        • 2.Rd2#
      • 1...Se5
        • 2.Rxe5#
      • 1...c4
        • 2.Qxc4#
      • 1...Sb6
        • 2.Re5#
      • 1...Sb8
        • 2.Re5#
      • 1...Sf8
        • 2.Re5#
      • 1...f3
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • B(a);N_GUARD,P_PINS(C)::QAB1(D),XB(a)
    • S(g);N_GUARD::R1(B),XS(g)
    • S(g);N_GUARD::R1(B)
    • P(c);S_CUTB(a)::QAB1(D)
    • P(d);SBLOCK::QAR2(D),XS(g)
  • Actual
    • S(C);
    • Threat
      • QAR2(D),XS(g)
    • Vars
      • B(a);CHECK,N_GUARD::QAB1(D),XB(a)
      • R(f);SBLOCK,XP(E)::R(B)
      • S(g);N_GUARD::R1(B),XS(g)
      • P(d);::QAB1(D),XP(d)
      • S(g);N_GUARD::R1(B)
      • P(c);S_CUTB(a)::QAB1(D)
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