MESON Chess Problem Database

Problem Display
PID: 231712 (5K2/1Q6/2pkp3/6P1/8/2P1N2B/6P1/8 w - - 0 1)

Salway, Herbert A

The Field, 1899

(First published on Sat Feb 11 1899)

5K2/1Q6/2pkp3/6P1/8/2P1N2B/6P1/8

#2

7 + 3

15239 Valois Notebooks 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kc5
      • 2.Qb4#
    • 1...c5
      • 2.Sc4#
    • 1...e5
      • 2.Qe7#
  • Tries
    • 1.Kf7?
      • 1...Kc5
        • 2.Qb4#
      • 1...c5
        • 2.Sc4#
      • 1...e5
        • 2.Qe7#
      • 1...Ke5!
    • 1.Ke8?
      • 1...Kc5
        • 2.Qb4#
      • 1...c5
        • 2.Sc4#
      • 1...e5
        • 2.Qe7#
      • 1...Ke5!
    • 1.Bg4?
      • 1...Kc5
        • 2.Qb4#
      • 1...e5
        • 2.Qe7#
      • 1...c5
        • 2.Sc4#
      • 1...Ke5!
    • 1.Qa7?
      • 1...Ke5
        • 2.Qd4#
      • 1...e5
        • 2.Qe7#
      • 1...c5!
    • 1.Qb8+?
      • 1...Kc5
        • 2.Qb4#
      • 1...Kd7!
    • 1.g3?
      • 1...Kc5
        • 2.Qb4#
      • 1...e5
        • 2.Qe7#
      • 1...c5
        • 2.Sc4#
      • 1...Ke5!
    • 1.g4?
      • 1...Kc5
        • 2.Qb4#
      • 1...e5
        • 2.Qe7#
      • 1...c5
        • 2.Sc4#
      • 1...Ke5!
    • 1.g6?
      • 1...Kc5
        • 2.Qb4#
      • 1...e5
        • 2.Qe7#
      • 1...c5
        • 2.Sc4#
      • 1...Ke5!
  • Keys
    • 1.Bf5!
      • 1...Kc5
        • 2.Qb4#
      • 1...Ke5
        • 2.Qc7#
        • 2.Qb8#
      • 1...exf5
        • 2.Qe7#
      • 1...e5
        • 2.Qe7#
      • 1...c5
        • 2.Sc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::QAB1(F)
    • P(a);SBLOCK::S(C)
    • P(c);::QAB1(F)
  • Tries
    • Try
      • K(G);P-FLIGHT
      • Vars
        • K(b);S_FLIGHT::QAB1(F)
        • P(a);SBLOCK::S(C)
        • P(c);::QAB1(F)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • K(G);P-FLIGHT
      • Vars
        • K(b);S_FLIGHT::QAB1(F)
        • P(a);SBLOCK::S(C)
        • P(c);::QAB1(F)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(D);
      • Vars
        • K(b);S_FLIGHT::QAB1(F)
        • P(c);::QAB1(F)
        • P(a);SBLOCK::S(C)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(F);
      • Vars
        • K(b);S_FLIGHT::QAB1(F)
        • P(c);::QAB1(F)
      • Refutation
        • P(a);
    • Try
      • Q(F);CHECK
      • Vars
        • K(b);S_FLIGHT::QAB1(F)
      • Refutation
        • K(b);P-FLIGHT,P_SPINP(c)
    • Try
      • P(A);
      • Vars
        • K(b);S_FLIGHT::QAB1(F)
        • P(c);::QAB1(F)
        • P(a);SBLOCK::S(C)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • P(A);
      • Vars
        • K(b);S_FLIGHT::QAB1(F)
        • P(c);::QAB1(F)
        • P(a);SBLOCK::S(C)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • P(E);
      • Vars
        • K(b);S_FLIGHT::QAB1(F)
        • P(c);::QAB1(F)
        • P(a);SBLOCK::S(C)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • B(D);
    • Vars
      • K(b);S_FLIGHT::QAB1(F)
      • P(c);XB(D)::QAB1(F)
      • P(c);::QAB1(F)
      • P(a);SBLOCK::S(C)
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