MESON Chess Problem Database

Problem Display
PID: 56207 (8/8/8/1Q6/K7/8/8/1Nk5 w - - 0 1)

Mazel, Eduard

Source?, 0000

8/8/8/1Q6/K7/8/8/1Nk5

#2

3 + 1

4331 Schachminiaturen II 1903

SOLUTION

  • SOUND
  • Tries
    • 1.Qb2+?
      • 1...Kd1
        • 2.Qd2#
      • 1...Kxb2!
    • 1.Qb4?
      • 1...Kd1
        • 2.Qd2#
      • 1...Kc2!
  • Keys
    • 1.Kb3!
      • threat
        • 2.Qf1#
      • 1...Kxb1
        • 2.Qf1#
      • 1...Kd1
        • 2.Qf1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(C)
      • Refutation
        • K(a);S_FLIGHT,XQ(C)
    • Try
      • Q(C);
      • Vars
        • K(a);P-FLIGHT::QAR1(C)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • K(B);S_FLIGHT
    • Threat
      • QAR(C)
    • Vars
      • K(a);P-FLIGHT,XS(A)::QAR(C)
      • K(a);P-FLIGHT::QAR2(C)
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