MESON Chess Problem Database

Problem Display
PID: 189925 (n7/8/4pb2/4kp1K/1N6/2P3p1/3N4/Q7 w - - 0 1)

Gold, Samuel

Pesti Naplo, 1912

n7/8/4pb2/4kp1K/1N6/2P3p1/3N4/Q7

#2

5 + 6

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Tries
    • 1.Qe1+?
      • 1...Kf4
        • 2.Sd3#
      • 1...Kd6!
    • 1.Qg1?
      • threat
        • 2.Qd4#
      • 1...Kf4
        • 2.Sd3#
      • 1...f4
        • 2.Qc5#
      • 1...Kd6!
  • Keys
    • 1.Qa7!
      • threat
        • 2.Qd4#
      • 1...Kf4
        • 2.Sd3#
      • 1...Kd6
        • 2.Sc4#
      • 1...Sb6
        • 2.Qb8#
        • 2.Qc7#
      • 1...f4
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);S_FLIGHT::S(D)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Vars
        • K(b);S_FLIGHT::S(D)
        • P(c);SBLOCK::QAR2(A)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(A);
    • Threat
      • QAB1(A)
    • Vars
      • K(b);S_FLIGHT::S(D)
      • K(b);S_FLIGHT::S(B)
      • P(c);SBLOCK::QAR2(A)
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