MESON Chess Problem Database

Problem Display
PID: 230382 (n7/1Qb5/PpR1p3/3p4/8/3kP1N1/8/2B2K2 w - - 0 1)

Williams, Philip Hamilton

The Globe, 1911

(First published on Sat Jan 28 1911)

n7/1Qb5/PpR1p3/3p4/8/3kP1N1/8/2B2K2

#2

7 + 6

15239 Valois Notebooks 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bxg3
      • 2.Qh7#
    • 1...Bf4
      • 2.Qh7#
    • 1...Be5
      • 2.Qh7#
    • 1...Bd6
      • 2.Qh7#
    • 1...Bb8
      • 2.Qh7#
    • 1...Bd8
      • 2.Qh7#
    • 1...b5
      • 2.Qxb5#
  • Tries
    • 1.Sh1?
      • threat
        • 2.Sf2#
      • 1...Bg3
        • 2.Qh7#
      • 1...Ke4!
    • 1.Rxc7?
      • 1...d4
        • 2.Qe4#
      • 1...b5
        • 2.Qxb5#
      • 1...e5
        • 2.Qxd5#
      • 1...Sxc7!
    • 1.Qxc7?
      • threat
        • 2.Rc3#
        • 2.Qh7#
      • 1...d4
        • 2.Qh7#
      • 1...e5
        • 2.Rc3#
      • 1...Sxc7!
  • Keys
    • 1.Rc5!
      • 1...Bxg3
        • 2.Qh7#
      • 1...bxc5
        • 2.Qb3#
      • 1...d4
        • 2.Qe4#
      • 1...Bf4
        • 2.Qh7#
      • 1...Be5
        • 2.Qh7#
      • 1...Bd6
        • 2.Qh7#
      • 1...Bb8
        • 2.Qh7#
      • 1...Bd8
        • 2.Qh7#
      • 1...b5
        • 2.Qxb5#
      • 1...e5
        • 2.Qxd5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • B(e);OGATE,XS(D)::QAB(G)
    • B(e);OGATE::QAB(G)
    • P(c);OGATE::QAB(G),XP(c)
  • Tries
    • Try
      • S(D);
      • Threat
        • S(D)
      • Vars
        • B(e);OGATE::QAB(G)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(F);XB(e)
      • Vars
        • P(b);OGATE::QAB1(G)
        • P(c);OGATE::QAB(G),XP(c)
        • P(d);N_GUARD::QAR2(G),XP(b)
      • Refutation
        • S(f);XR(F)
    • Try
      • Q(G);XB(e)
      • Threat
        • DUALS(2)
      • Vars
        • P(b);::QAB(G)
        • P(d);::R1(F)
      • Refutation
        • S(f);XQ(G)
  • Actual
    • R(F);
    • Vars
      • B(e);OGATE,XS(D)::QAB(G)
      • P(c);OGATE,XR(F)::QAR2(G)
      • P(b);OGATE::QAB1(G)
      • B(e);OGATE::QAB(G)
      • P(c);OGATE::QAB(G),XP(c)
      • P(d);N_GUARD::QAR2(G),XP(b)
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