MESON Chess Problem Database

Problem Display
PID: 160758 (2n5/1N6/K1p3B1/8/1pk2pr1/3R4/PR6/B3n2b w - - 0 1)

Williams, Philip Hamilton

Reading Observer, 1904

2n5/1N6/K1p3B1/8/1pk2pr1/3R4/PR6/B3n2b

#2

7 + 8

15351 SCPF/BCPS Black Books 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Sc2
      • 2.Rxc2#
    • 1...Sg2
      • 2.Rc2#
    • 1...Sf3
      • 2.Rc2#
    • 1...c5
      • 2.Sa5#
  • Tries
    • 1.Rbd2?
      • threat
        • 2.Rd4#
      • 1...Sc2
        • 2.Rxc2#
      • 1...Sf3
        • 2.Bf7#
        • 2.Rc2#
      • 1...f3
        • 2.Bf7#
      • 1...c5
        • 2.Sa5#
      • 1...Sxd3!
    • 1.Rd4+?
      • 1...Kc3
        • 2.Rb1#
        • 2.Rc2#
        • 2.Rbd2#
        • 2.Re2#
        • 2.Rf2#
        • 2.Rg2#
        • 2.Rh2#
        • 2.Rb3#
        • 2.Rbxb4#
      • 1...Kxd4!
  • Keys
    • 1.Rg2!
      • threat
        • 2.Rd4#
      • 1...Sxd3
        • 2.Bf7#
      • 1...f3
        • 2.Rxg4#
      • 1...Sc2
        • 2.Rxc2#
      • 1...Sf3
        • 2.Rc2#
      • 1...c5
        • 2.Sa5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • S(a);N_GUARD::R(C),XS(a)
    • S(a);N_GUARD::R(C)
    • P(g);SBLOCK::S(G)
  • Tries
    • Try
      • R(C);
      • Threat
        • R1(D)
      • Vars
        • S(a);N_GUARD::R(C),XS(a)
        • P(e);S_CUTB(b)::B(F)
        • P(g);SBLOCK::S(G)
      • Refutation
        • S(a);XR(D)
    • Try
      • R(D);CHECK
      • Refutation
        • K(d);P-FLIGHT,XR(D)
  • Actual
    • R(C);
    • Threat
      • R1(D)
    • Vars
      • S(a);SBLOCK,XR(D)::B(F)
      • P(e);OGATEB::R(C),XR(f)
      • S(a);N_GUARD::R(C),XS(a)
      • S(a);N_GUARD::R(C)
      • P(g);SBLOCK::S(G)
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