MESON Chess Problem Database

Problem Display
PID: 4744 (8/8/4K3/1kB5/1P4Q1/5B2/8/8 w - - 0 1)

Williams, Philip Hamilton

Birmingham Post, 1890

8/8/4K3/1kB5/1P4Q1/5B2/8/8

#2

5 + 1

4331 Schachminiaturen II 1903
2012 Miniature Chess Problems from Many Countries 1981
3295 Einfuhrung in die Welt des Schachproblem 1984
3310 2345 Chess Problems 1997
5454 Near Snap 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ka6
      • 2.Qc4#
  • Tries
    • 1.Ke5?
      • 1...Ka6
        • 2.Qc4#
      • 1...Ka4!
    • 1.Kf5?
      • 1...Ka6
        • 2.Qc4#
      • 1...Ka4!
    • 1.Kd6?
      • 1...Ka6
        • 2.Qc4#
      • 1...Ka4!
    • 1.Kf6?
      • 1...Ka6
        • 2.Qc4#
      • 1...Ka4!
    • 1.Kd7?
      • 1...Ka6
        • 2.Qc4#
      • 1...Ka4!
    • 1.Ke7?
      • 1...Ka6
        • 2.Qc4#
      • 1...Ka4!
    • 1.Kf7?
      • 1...Ka6
        • 2.Qc4#
      • 1...Ka4!
    • 1.Bh1?
      • 1...Ka6
        • 2.Qe2#
        • 2.Qc4#
      • 1...Ka4!
    • 1.Bg2?
      • 1...Ka6
        • 2.Qe2#
        • 2.Qc4#
      • 1...Ka4!
    • 1.Bd5?
      • 1...Ka6
        • 2.Qe2#
        • 2.Qc4#
      • 1...Ka4!
    • 1.Bc6+?
      • 1...Ka6
        • 2.Qe2#
        • 2.Qc4#
      • 1...Kxc6!
    • 1.Ba8?
      • 1...Ka6
        • 2.Qe2#
        • 2.Qc4#
      • 1...Ka4!
    • 1.Bg1?
      • 1...Ka6
        • 2.Qc4#
      • 1...Ka4!
    • 1.Bf2?
      • 1...Ka6
        • 2.Qc4#
      • 1...Ka4!
    • 1.Be3?
      • 1...Ka6
        • 2.Qc4#
      • 1...Ka4!
    • 1.Qg3?
      • 1...Ka4
        • 2.Bc6#
      • 1...Kc4
        • 2.Be2#
      • 1...Ka6!
    • 1.Qd4?
      • 1...Ka6
        • 2.Qd3#
        • 2.Qc4#
      • 1...Ka4!
    • 1.Qe4?
      • 1...Ka6
        • 2.Be2#
        • 2.Qd3#
        • 2.Qc6#
        • 2.Qb7#
        • 2.Qe2#
        • 2.Qc4#
      • 1...Ka4!
    • 1.Qf4?
      • 1...Ka6
        • 2.Qc4#
      • 1...Ka4!
    • 1.Qh4?
      • 1...Ka6
        • 2.Qc4#
      • 1...Ka4!
  • Keys
    • 1.Qh3!
      • 1...Ka4
        • 2.Bc6#
      • 1...Kc4
        • 2.Be2#
      • 1...Ka6
        • 2.Qf1#

This anticipates 189680(1912), 157400(1924), 161747(1973)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAB(C)
  • Tries
    • Try
      • K(E);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAB(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(E);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAB(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(E);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAB(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(E);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAB(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(E);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAB(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(E);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAB(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(E);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAB(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(A);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(A);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(A);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(A);CHECK
      • Refutation
        • K(a);S_FLIGHT,XB(A)
    • Try
      • B(A);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(D);
      • Vars
        • K(a);S_FLIGHT::QAB(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(D);
      • Vars
        • K(a);S_FLIGHT::QAB(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(D);
      • Vars
        • K(a);S_FLIGHT::QAB(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(C);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(C);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(a);S_FLIGHT::QAB(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(a);S_FLIGHT::QAB(C)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(C);
    • Vars
      • K(a);S_FLIGHT::B(A)
      • K(a);S_FLIGHT::QAB(C)
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