MESON Chess Problem Database

Problem Display
PID: 221592 (5K2/6N1/RB3p2/4Npk1/7b/6p1/6P1/4Q3 w - - 0 1)

Williams, Philip Hamilton

The Field, 1892

(First published on Sat Jun 18 1892)

5K2/6N1/RB3p2/4Npk1/7b/6p1/6P1/4Q3

#2

7 + 5

15239 Valois Notebooks 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kf4
      • 2.Se6#
      • 2.Qe3#
  • Tries
    • 1.Qxg3+?
      • 1...Kh6
        • 2.Qxh4#
        • 2.Qg6#
      • 1...Bxg3!
    • 1.Qb4?
      • 1...Kh6
        • 2.Qxh4#
      • 1...fxe5
        • 2.Bd8#
      • 1...f4!
    • 1.Qe2?
      • 1...Kf4
        • 2.Se6#
        • 2.Qe3#
      • 1...Kh6
        • 2.Qh5#
      • 1...f4
        • 2.Qh5#
      • 1...fxe5!
  • Keys
    • 1.Qe4!
      • 1...Kh6
        • 2.Qxh4#
      • 1...fxe4
        • 2.Be3#
      • 1...fxe5
        • 2.Bd8#
      • 1...f4
        • 2.Qg6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);CHECK,XP(a)
      • Refutation
        • B(b);XQ(A)
    • Try
      • Q(A);
      • Vars
        • K(d);S_FLIGHT::QAR2(A),XB(b)
        • P(e);OGATEB,XS(C)::B(E)
      • Refutation
        • P(c);
    • Try
      • Q(A);
      • Vars
        • K(d);S_FLIGHT::QAR1(A)
        • P(c);SBLOCK::QAR1(A)
      • Refutation
        • P(e);XS(C)
  • Actual
    • Q(A);
    • Vars
      • K(d);S_FLIGHT::QAR2(A),XB(b)
      • P(c);N_GUARD,XQ(A)::B(E)
      • P(e);OGATEB,XS(C)::B(E)
      • P(c);OGATE,SBLOCK::QAR1(A)
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