MESON Chess Problem Database

Problem Display
PID: 230316 (8/1Np5/3P4/3k2P1/K7/6N1/3P4/Q7 w - - 0 1)

le Jeune, H

The Field, 1897

(First published on Sat Dec 11 1897)

8/1Np5/3P4/3k2P1/K7/6N1/3P4/Q7

#2

7 + 2

15239 Valois Notebooks 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Qe5+?
      • 1...Kc4
        • 2.Qe4#
      • 1...Kc6
        • 2.Qb5#
      • 1...Kxe5!
    • 1.Qe1?
      • threat
        • 2.Qe4#
      • 1...Kc4
        • 2.Qe4#
      • 1...Kd4
        • 2.Qe4#
      • 1...Kc6!
    • 1.Qh1+?
      • 1...Kc4
        • 2.Qe4#
      • 1...Kd4
        • 2.Qe4#
      • 1...Ke5
        • 2.Qe4#
      • 1...Ke6!
  • Keys
    • 1.Qb1!
      • threat
        • 2.Qe4#
      • 1...Kc4
        • 2.Qe4#
      • 1...Kd4
        • 2.Qe4#
      • 1...Ke5
        • 2.Qe4#
      • 1...Kc6
        • 2.Qb5#
      • 1...Ke6
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
        • K(a);OGATE,S_FLIGHT::QAB1(A)
      • Refutation
        • K(a);P-FLIGHT,XQ(A)
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
        • K(a);P-FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
        • K(a);P-FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(A);
    • Threat
      • QAB1(A)
    • Vars
      • K(a);S_FLIGHT::QAR2(A)
      • K(a);P-FLIGHT::QAR1(A)
      • K(a);S_FLIGHT::QAB1(A)
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