MESON Chess Problem Database

Problem Display
PID: 52527 (8/8/1B6/8/2Q5/8/3k4/2N3K1 w - - 0 1)

Williams, Philip Hamilton

Chess Amateur (The), 1908

8/8/1B6/8/2Q5/8/3k4/2N3K1

#2

4 + 1

14986 White-Hume Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ke1
      • 2.Qe2#
  • Tries
    • 1.Kh1?
      • 1...Ke1
        • 2.Qe2#
      • 1...Kd1!
    • 1.Kg2?
      • 1...Ke1
        • 2.Qe2#
      • 1...Kd1!
    • 1.Kh2?
      • 1...Ke1
        • 2.Qe2#
      • 1...Kd1!
    • 1.Sb3+?
      • 1...Ke1
        • 2.Qf1#
      • 1...Kd1!
    • 1.Be3+?
      • 1...Kd1
        • 2.Qe2#
      • 1...Ke1
        • 2.Qf1#
        • 2.Qe2#
      • 1...Kxe3!
    • 1.Bd4?
      • 1...Ke1
        • 2.Qe2#
      • 1...Kd1!
    • 1.Bc5?
      • 1...Ke1
        • 2.Qe2#
      • 1...Kd1!
    • 1.Ba7?
      • 1...Ke1
        • 2.Qe2#
      • 1...Kd1!
    • 1.Bc7?
      • 1...Ke1
        • 2.Qe2#
      • 1...Ke3
        • 2.Qd3#
        • 2.Qf4#
      • 1...Kd1!
    • 1.Qd3+?
      • 1...Ke1
        • 2.Bf2#
        • 2.Ba5#
        • 2.Qe2#
      • 1...Kxc1!
    • 1.Qc2+?
      • 1...Ke1
        • 2.Sd3#
        • 2.Bf2#
        • 2.Ba5#
        • 2.Qe2#
      • 1...Kxc2!
  • Keys
    • 1.Qb3!
      • 1...Kxc1
        • 2.Be3#
      • 1...Ke1
        • 2.Ba5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAR1(C)
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAR1(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAR1(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • K(B);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAR1(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(A);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR1(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(D);CHECK
      • Vars
        • K(a);P-FLIGHT::QAB1(C)
      • Refutation
        • K(a);S_FLIGHT,XB(D)
    • Try
      • B(D);
      • Vars
        • K(a);S_FLIGHT::QAR1(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(D);
      • Vars
        • K(a);S_FLIGHT::QAR1(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(D);
      • Vars
        • K(a);S_FLIGHT::QAR1(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(D);
      • Vars
        • K(a);S_FLIGHT::QAR1(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(C);CHECK
      • Refutation
        • K(a);S_FLIGHT,XS(A)
    • Try
      • Q(C);CHECK
      • Refutation
        • K(a);P-FLIGHT,XQ(C)
  • Actual
    • Q(C);
    • Vars
      • K(a);S_FLIGHT,XS(A)::B(D)
      • K(a);S_FLIGHT::B(D)
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